gold/ChangeLog

   1 2011-07-08  Ian Lance Taylor  <[email protected]>
   2
   3         PR gold/11317
   4         * target-reloc.h (issue_undefined_symbol_error): New inline
   5         function, broken out of relocate_section.
   6         (relocate_section): Call issue_undefined_symbol_error.
   7         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
   8         there is no TLS segment if we are about to issue an undefined
   9         symbol error.
  10         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
  11
  12 2011-07-08  Ian Lance Taylor  <[email protected]>
  13
  14         PR gold/12279
  15         * resolve.cc (Symbol_table::should_override): Add fromtype
  16         parameter.  Change all callers.  Give error when linking together
  17         TLS and non-TLS symbol.
  18         (Symbol_table::should_override_with_special): Add fromtype
  19         parameter.  Change all callers.
  20         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
  21         there is no TLS segment if we have reported some errors.
  22         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
  23
  24 2011-07-08  Ian Lance Taylor  <[email protected]>
  25
  26         PR gold/12372
  27         * target.h (Target::plt_address_for_global): New function.
  28         (Target::plt_address_for_local): New function.
  29         (Target::plt_section_for_global): Remove.
  30         (Target::plt_section_for_local): Remove.
  31         (Target::do_plt_address_for_global): New virtual function.
  32         (Target::do_plt_address_for_local): New virtual function.
  33         (Target::do_plt_section_for_global): Remove.
  34         (Target::do_plt_section_for_local): Remove.
  35         (Target::register_global_plt_entry): Add Symbol_table and Layout
  36         parameters.
  37         * output.cc (Output_data_got::Got_entry::write): Use
  38         plt_address_for_global and plt_address_for_local.
  39         * layout.cc (Layout::add_target_dynamic_tags): Use size and
  40         address of output section.
  41         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
  42         got_irelative_, and irelative_count_ fields.  Update
  43         declarations.
  44         (Output_data_plt_i386::has_irelative_section): New function.
  45         (Output_data_plt_i386::entry_count): Add irelative_count_.
  46         (Output_data_plt_i386::set_final_data_size): Likewise.
  47         (class Target_i386): Add got_irelative_ and rel_irelative_
  48         fields.  Update declarations.
  49         (Target_i386::Target_i386): Initialize new fields.
  50         (Target_i386::do_plt_address_for_global): New function replacing
  51         do_plt_section_for_global.
  52         (Target_i386::do_plt_address_for_local): New function replacing
  53         do_plt_section_for_local.
  54         (Target_i386::got_section): Create got_irelative_.
  55         (Target_i386::rel_irelative_section): New function.
  56         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
  57         fields.  Don't define __rel_iplt_{start,end}.
  58         (Output_data_plt_i386::add_entry): Add symtab and layout
  59         parameters.  Change all callers.  Use different PLT and GOT for
  60         IFUNC symbols.
  61         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
  62         layout parameters.  Change all callers.  Use different PLT and
  63         GOT.
  64         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
  65         (Output_data_plt_i386::rel_irelative): New function.
  66         (Output_data_plt_i386::address_for_global): New function.
  67         (Output_data_plt_i386::address_for_local): New function.
  68         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
  69         IRELATIVE GOT when changing IFUNC GOT entries.
  70         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
  71         reloc.
  72         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
  73         if we didn't create an IRELATIVE GOT.
  74         (Target_i386::Relocate::relocate): Use plt_address_for_global and
  75         plt_address_for_local.
  76         (Target_i386::do_dynsym_value): Use plt_address_for_global.
  77         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
  78         got_irelative_, and irelative_count_ fields.  Update
  79         declarations.
  80         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
  81         Initialize new fields.  Remove symtab parameter.  Change all
  82         callers.
  83         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
  84         irelative_count_.
  85         (Output_data_plt_x86_64::has_irelative_section): New function.
  86         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
  87         (class Target_x86_64): Add got_irelative_ and rel_irelative_
  88         fields.  Update declarations.
  89         (Target_x86_64::Target_x86_64): Initialize new fields.
  90         (Target_x86_64::do_plt_address_for_global): New function replacing
  91         do_plt_section_for_global.
  92         (Target_x86_64::do_plt_address_for_local): New function replacing
  93         do_plt_section_for_local.
  94         (Target_x86_64::got_section): Create got_irelative_.
  95         (Target_x86_64::rela_irelative_section): New function.
  96         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
  97         all callers.  Don't create __rel_iplt_{start,end}.
  98         (Output_data_plt_x86_64::add_entry): Add symtab and layout
  99         parameters.  Change all callers.  Use different PLT and GOT for
 100         IFUNC symbols.
 101         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 102         layout parameters.  Change all callers.  Use different PLT and
 103         GOT.
 104         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 105         parameters.  Change all callers.  Use different PLT and GOT for
 106         IFUNC symbols.
 107         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 108         (Output_data_plt_x86_64::rela_irelative): New function.
 109         (Output_data_plt_x86_64::address_for_global): New function.
 110         (Output_data_plt_x86_64::address_for_local): New function.
 111         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 112         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 113         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 114         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 115         parameters.
 116         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 117         reloc.
 118         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 119         symbols if we didn't create an IRELATIVE GOT.
 120         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 121         plt_address_for_local.
 122         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 123         * testsuite/ifuncvar1.c: New test file.
 124         * testsuite/ifuncvar2.c: New test file.
 125         * testsuite/ifuncvar3.c: New test file.
 126         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 127         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 128         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 129         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 130         * testsuite/Makefile.in: Rebuild.
 131
 132 2011-07-07  Cary Coutant  <[email protected]>
 133
 134         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 135         (two_file_test_1_ndebug.o): Likewise.
 136         (two_file_test_1b_ndebug.o): Likewise.
 137         (two_file_test_2_ndebug.o): Likewise.
 138         (two_file_test_main_ndebug.o): Likewise.
 139         (incremental_test_2): Link with no-debug versions.
 140
 141 2011-07-06  Cary Coutant  <[email protected]>
 142
 143         * gold/incremental.cc
 144         (Output_section_incremental_inputs::write_info_blocks): Check for
 145         hidden and internal symbols.
 146
 147 2011-07-06  Cary Coutant  <[email protected]>
 148
 149         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 150         Check disposition for startup file.
 151         (Incremental_inputs::report_command_line): Ignore
 152         --incremental-startup-unchanged option.
 153         * options.cc (General_options::parse_incremental_startup_unchanged):
 154         New function.
 155         (General_options::General_options): Initialize new data member.
 156         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 157         (General_options): Add --incremental-startup-unchanged option.
 158         (General_options::incremental_startup_disposition): New function.
 159         (General_options::incremental_startup_disposition_): New data member.
 160
 161 2011-07-06  Cary Coutant  <[email protected]>
 162
 163         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 164         input file index to Script_info ctor.
 165         (Sized_incremental_binary::do_file_has_changed): Find the
 166         command-line argument for files named in scripts.
 167         * incremental.h (Script_info::Script_info): New ctor
 168         with input file index.
 169         (Script_info::input_file_index): New function.
 170         (Script_info::input_file_index_): New data member.
 171         (Incremental_binary::get_library): Add const.
 172         (Incremental_binary::get_script_info): Add const.
 173         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 174         * testsuite/Makefile.am (incremental_test_5): New test case.
 175         (incremental_test_6): New test case.
 176         * testsuite/Makefile.in: Regenerate.
 177
 178 2011-07-06  Cary Coutant  <[email protected]>
 179
 180         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 181         debug output when command lines differ.
 182
 183 2011-07-06  Cary Coutant  <[email protected]>
 184
 185         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 186         --incremental-patch option.
 187         * layout.cc (Free_list::allocate): Extend allocation beyond original
 188         end if enabled.
 189         (Layout::make_output_section): Mark sections that should get
 190         patch space.
 191         * options.cc (parse_percent): New function.
 192         * options.h (parse_percent): New function.
 193         (DEFINE_percent): New macro.
 194         (General_options): Add --incremental-patch option.
 195         * output.cc (Output_section::Output_section): Initialize new data
 196         members.
 197         (Output_section::add_input_section): Print section name when out
 198         of patch space.
 199         (Output_section::add_output_section_data): Likewise.
 200         (Output_section::set_final_data_size): Add patch space when
 201         doing --incremental-full.
 202         (Output_section::do_reset_address_and_file_offset): Remove patch
 203         space.
 204         (Output_segment::set_section_list_addresses): Print debug output
 205         only if --incremental-update.
 206         * output.h (Output_section::set_is_patch_space_allowed): New function.
 207         (Output_section::is_patch_space_allowed_): New data member.
 208         (Output_section::patch_space_): New data member.
 209         * parameters.cc (Parameters::incremental_full): New function.
 210         * parameters.h (Parameters::incremental_full): New function
 211         * testsuite/Makefile.am (incremental_test_2): Add test for
 212         --incremental-patch option.
 213         * testsuite/Makefile.in: Regenerate.
 214         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 215         (t18): Remove function body.
 216
 217 2011-07-05  Doug Kwan  <[email protected]>
 218
 219         PR gold/12771
 220         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 221         Arm_Address type for relocation result.
 222         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 223         overflow check.
 224         (Arm_relocate_functions::abs32): Use unaligned access.
 225         (Arm_relocate_functions::rel32): Ditto.
 226         (Arm_relocate_functions::prel31): Ditto.
 227         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 228         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 229         static data relocations.
 230         * testsuite/Makefile.in: Regnerate.
 231         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 232
 233 2011-07-05  Ian Lance Taylor  <[email protected]>
 234
 235         PR gold/12392
 236         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 237         symbols if necessary.
 238         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 239
 240 2011-07-05  Ian Lance Taylor  <[email protected]>
 241
 242         PR gold/12952
 243         * resolve.cc (Symbol::override_base_with_special): Simply override
 244         version with special symbol version, ignoring previous version.
 245
 246 2011-07-05  Ian Lance Taylor  <[email protected]>
 247
 248         * object.cc (Sized_relobj_file::include_section_group): Add
 249         information to comment about signature location.
 250
 251 2011-07-02  Ian Lance Taylor  <[email protected]>
 252
 253         PR gold/12957
 254         * options.h (class General_options): Add -f and -F.
 255         * options.cc (General_options::finalize): Fatal error if -f/-F
 256         are used without -shared.
 257         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 258
 259 2011-07-02  Ian Lance Taylor  <[email protected]>
 260
 261         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 262
 263 2011-07-01  Ian Lance Taylor  <[email protected]>
 264
 265         PR gold/12525
 266         PR gold/12952
 267         * resolve.cc (Symbol::override_base_with_special): Don't override
 268         the version if the overriding symbol has a different name.
 269         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 270         all callers.  If we give an error about an undefined version,
 271         define the base version if necessary.
 272         * dynobj.h (class Versions): Update declaration.
 273         * testsuite/weak_alias_test_5.cc: New file.
 274         * testsuite/weak_alias_test.script: New file.
 275         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 276         and versioned_alias have the right value, and call t2.
 277         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 278         weak_alias_test_5.so.
 279         (weak_alias_test_LDADD): Likewise.
 280         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 281         * testsuite/Makefile.in: Rebuild.
 282
 283 2011-07-01  Ian Lance Taylor  <[email protected]>
 284
 285         PR gold/12525
 286         * options.h (class General_options): Support -z notext.
 287         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 288         -Wl,-z,notext.
 289         (two_file_shared_nonpic.so): Likewise.
 290         (two_file_shared_mixed.so): Likewise.
 291         (two_file_shared_mixed_1.so): Likewise.
 292         (weak_undef_lib_nonpic.so): Likewise.
 293         (alt/weak_undef_lib_nonpic.so): Likewise.
 294         (tls_test_shared_nonpic.so): Likewise.
 295         * testsuite/Makefile.in: Rebuild.
 296
 297 2011-07-01  Ian Lance Taylor  <[email protected]>
 298
 299         PR gold/12525
 300         * configure.ac: Test whether static linking works, setting
 301         the automake conditional HAVE_STATIC.
 302         * testsuite/Makefile.am: Disable tests using -static if
 303         HAVE_STATIC is not true.
 304         * configure, testsuite/Makefile.in: Rebuild.
 305
 306 2011-07-01  Ian Lance Taylor  <[email protected]>
 307
 308         PR gold/12525
 309         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 310         Assert if we see DW_EH_PE_indirect.
 311         * target.h (Target::ehframe_datarel_base): New function.
 312         (Target::do_ehframe_datarel_base): New target function.
 313         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 314         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 315         function.
 316
 317 2011-07-01  Ian Lance Taylor  <[email protected]>
 318
 319         PR gold/12571
 320         * options.h (class General_options): Add
 321         --ld-generated-unwind-info.
 322         * ehframe.cc (Fde::write): Add address parameter.  Change all
 323         callers.  If associated with PLT, fill in address and size.
 324         (Cie::set_output_offset): Only add merge mapping if there is an
 325         object.
 326         (Cie::write): Add address parameter.  Change all callers.
 327         (Eh_frame::add_ehframe_for_plt): New function.
 328         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 329         input_offset_ fields into union u_, with new plt field.
 330         (Fde::Fde): Adjust for new union field.
 331         (Fde::Fde) [Output_data version]: New constructor.
 332         (Fde::add_mapping): Only add merge mapping if there is an object.
 333         (class Cie): Update declarations.
 334         (class Eh_frame): Declare add_ehframe_for_plt.
 335         * layout.cc (Layout::layout_eh_frame): Break out code into
 336         make_eh_frame_section, and call it.
 337         (Layout::make_eh_frame_section): New function.
 338         (Layout::add_eh_frame_for_plt): New function.
 339         * layout.h (class Layout): Update declarations.
 340         * merge.cc (Merge_map::add_mapping): Add assertion.
 341         * i386.cc: Include "dwarf.h".
 342         (class Output_data_plt_i386): Make first_plt_entry,
 343         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 344         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 345         and plt_eh_frame_fde.
 346         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 347         boundary.  Call add_eh_frame_for_plt if appropriate.
 348         * x86_64.cc: Include "dwarf.h".
 349         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 350         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 351         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 352         and plt_eh_frame_fde.
 353         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 354         appropriate.
 355
 356 2011-06-29  Ian Lance Taylor  <[email protected]>
 357
 358         PR gold/12629
 359         * object.cc (Sized_relobj_file::layout_section): Change shdr
 360         parameter to be const.
 361         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 362         out of do_layout.
 363         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 364         appropriate.  Call layout_eh_frame_section.
 365         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 366         sections.
 367         * object.h (class Sized_relobj_file): Update declarations.
 368
 369 2011-06-29  Ian Lance Taylor  <[email protected]>
 370
 371         PR gold/12652
 372         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 373         modifier.
 374         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 375
 376 2011-06-29  Ian Lance Taylor  <[email protected]>
 377
 378         PR gold/12675
 379         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 380         SHT_X86_64_UNWIND.
 381         * layout.cc (Layout::layout_eh_frame): Likewise.
 382
 383 2011-06-29  Ian Lance Taylor  <[email protected]>
 384
 385         PR gold/12695
 386         * layout.cc (Layout::symtab_section_shndx): New function.
 387         * layout.h (class Layout): Declare symtab_section_shndx.
 388         * output.cc (Output_section::write_header): Call it.
 389
 390 2011-06-29  Ian Lance Taylor  <[email protected]>
 391
 392         PR gold/12818
 393         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 394         symbols which are not used in a relocation.
 395
 396 2011-06-28  Ian Lance Taylor  <[email protected]>
 397
 398         PR gold/12898
 399         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 400         script create indistinguishable segments.
 401         (Layout::set_segment_offsets): Use stable_sort when sorting
 402         segments.  Pass this to Compare_segments constructor.
 403         * layout.h (class Layout): Make segment_precedes non-static.
 404         (class Compare_segments): Change from struct to class.  Add
 405         layout_ field.  Add constructor.
 406         * script-sections.cc
 407         (Script_sections::attach_sections_using_phdrs_clause): Rename
 408         local orphan to is_orphan.  Don't report failure to put empty
 409         section in segment.  On attachment failure, report name of
 410         section, and attach to first PT_LOAD segment.
 411
 412 2011-06-28  Ian Lance Taylor  <[email protected]>
 413
 414         PR gold/12934
 415         * target-select.cc (Target_selector::Target_selector): Add
 416         emulation parameter.  Change all callers.
 417         (select_target_by_bfd_name): Rename from select_target_by_name.
 418         Change all callers.
 419         (select_target_by_emulation): New function.
 420         (supported_emulation_names): New function.
 421         * target-select.h (class Target_selector): Add emulation_ field.
 422         Update declarations.
 423         (Target_selector::recognize_by_bfd_name): Rename from
 424         recognize_by_name.  Change all callers.
 425         (Target_selector::supported_bfd_names): Rename from
 426         supported_names.  Change all callers.
 427         (Target_selector::recognize_by_emulation): New function.
 428         (Target_selector::supported_emulations): New function.
 429         (Target_selector::emulation): New function.
 430         (Target_selector::do_recognize_by_bfd_name): Rename from
 431         do_recognize_by_name.  Change all callers.
 432         (Target_selector::do_supported_bfd_names): Rename from
 433         do_supported_names.  Change all callers.
 434         (Target_selector::do_recognize_by_emulation): New function.
 435         (Target_selector::do_supported_emulations): New function.
 436         (select_target_by_bfd_name): Change name in declaration.
 437         (select_target_by_emulation): Declare.
 438         (supported_emulation_names): Declare.
 439         * parameters.cc (parameters_force_valid_target): Try to find
 440         target based on emulation from -m option.
 441         * options.h (class General_options): Change doc string for -m.
 442         * options.cc (help): Print emulations.
 443         (General_options::parse_V): Likewise.
 444         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 445         Add emulation parameter.  Change all callers.
 446
 447 2011-06-28  Ian Lance Taylor  <[email protected]>
 448
 449         * target.h (class Target): Add osabi_ field.
 450         (Target::osabi): New function.
 451         (Target::set_osabi): New function.
 452         (Target::Target): Initialize osabi_.
 453         (Target::do_adjust_elf_header): Make pure virtual.
 454         (Sized_target::do_adjust_elf_header): Declare.
 455         * target.cc (Sized_target::do_adjust_elf_header): New function.
 456         (class Sized_target): Instantiate all versions.
 457         * freebsd.h (class Target_freebsd): Remove.
 458         (Target_selector_freebsd::do_recognize): Call set_osabi on
 459         Target.
 460         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 461         (Target_selector_freebsd::set_osabi): Remove.
 462         * i386.cc (class Target_i386): Inherit from Sized_target rather
 463         than Target_freebsd.
 464         * x86_64.cc (class Target_x86_64): Likewise.
 465
 466 2011-06-28  Ian Lance Taylor  <[email protected]>
 467
 468         * target.h (Target::can_check_for_function_pointers): Rewrite.
 469         Make non-virtual.
 470         (Target::can_icf_inline_merge_sections): Likewise.
 471         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 472         (Target::Target_info): Add can_icf_inline_merge_sections field.
 473         (Target::do_can_check_for_function_pointers): New virtual
 474         function.
 475         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 476         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 477         from can_check_for_function_pointers, move in file.
 478         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 479         section_may_have_icf_unsafe_poineters, move in file.
 480         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 481         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 482         Rename from can_check_for_function_pointers, move in file.
 483         (Target_i386::can_icf_inline_merge_sections): Remove.
 484         (Target_i386::i386_info): Initialize
 485         can_icf_inline_merge_sections.
 486         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 487         Initialize can_icf_inline_merge_sections.
 488         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 489         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 490         Rename from can_check_for_function_pointers, move in file.
 491         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 492         (Target_x86_64::x86_64_info): Initialize
 493         can_icf_inline_merge_sections.
 494         * testsuite/testfile.cc (Target_test::test_target_info):
 495         Likewise.
 496         * icf.cc (get_section_contents): Correct formatting.
 497
 498 2011-06-27  Ian Lance Taylor  <[email protected]>
 499
 500         * symtab.cc (Symbol::versioned_name): New function.
 501         (Symbol_table::add_to_final_symtab): Use versioned_name when
 502         appropriate.
 503         (Symbol_table::sized_write_symbol): Likewise.
 504         * symtab.h (class Symbol): Declare versioned_name.
 505         * stringpool.h (class Stringpool_template): Add variant of add
 506         which takes a std::basic_string.
 507         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 508         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 509         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 510         (ver_test_12.o): New target.
 511         * testsuite/Makefile.in: Rebuild.
 512
 513 2011-06-27  Doug Kwan  <[email protected]>
 514
 515         * arm.cc (Arm_relocate_functions::thm_jump8,
 516         Arm_relocate_functions::thm_jump11): Use a wider signed
 517         type to compute offset.
 518         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 519         arm_thm_jump8.
 520         * testsuite/Makefile.in: Regenerate.
 521         * testsuite/arm_branch_in_range.sh: Check test results of
 522         arm_thm_jump11 and arm_thm_jump8.
 523         * testsuite/arm_thm_jump11.s: New test source file.
 524         * testsuite/arm_thm_jump11.t: New linker script.
 525         * testsuite/arm_thm_jump8.s: New test source file.
 526         * testsuite/arm_thm_jump8.t: New linker script.
 527
 528 2011-06-24  Ian Lance Taylor  <[email protected]>
 529
 530         * layout.cc: Include "object.h".
 531         (ctors_sections_in_init_array): New static variable.
 532         (Layout::is_ctors_in_init_array): New function.
 533         (Layout::layout): Add entry to ctors_sections_in_init_array if
 534         appropriate.
 535         * layout.h (class Layout): Declare is_ctors_in_init_array.
 536         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 537         is_ctors_reverse_view is set.
 538         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 539         all callers.  Set is_ctors_reverse_view field of View_size.
 540         (Sized_relobj_file::reverse_words): New function.
 541         * object.h (Sized_relobj_file::View_size): Add
 542         is_ctors_reverse_view field.
 543         (class Sized_relobj_file): Update declarations.
 544         * testsuite/initpri3.c: New test.
 545         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 546         initpri3b.
 547         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 548         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 549         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 550         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 551         * testsuite/Makefile.in: Rebuild.
 552
 553 2011-06-24  Cary Coutant  <[email protected]>
 554
 555         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 556         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 557         (debug_msg_cdebug.err): New targets.
 558         * testsuite/Makefile.in: Regenerate.
 559         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 560         Fix checks for link with shared library.
 561
 562 2011-06-24  Doug Kwan  <[email protected]>
 563
 564         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 565         skip empty text sections.
 566         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 567
 568 2011-06-22  Ian Lance Taylor  <[email protected]>
 569
 570         PR gold/12910
 571         * options.h (class General_options): Add --ctors-in-init-array.
 572         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 573         friends as SHT_PROGBITS for merging sections.
 574         (Layout::layout): Remove special handling of .init_array and
 575         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 576         and .dtors if ctors_in_init_array.
 577         (Layout::make_output_section): Force correct section types for
 578         .init_array and friends.  Don't sort if doing relocatable link,
 579         Don't sort .ctors and .dtors if ctors_in_init_array.
 580         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 581         (Layout::output_section_name): Add relobj parameter.  Change all
 582         callers.  Handle .ctors. and .dtors. in code rather than table.
 583         Handle .ctors and .dtors if ctors_in_init_array.
 584         (Layout::match_file_name): New function, moved from output.cc.
 585         * layout.h (class Layout): Update declarations.
 586         * output.cc: Include "layout.h".
 587         (Input_section_sort_entry::get_priority): New function.
 588         (Input_section_sort_entry::match_file_name): Just call
 589         Layout::match_file_name.
 590         (Output_section::Input_section_sort_init_fini_compare::operator()):
 591         Handle .ctors and .dtors.  Sort by explicit priority rather than
 592         by name.
 593         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 594         * testsuite/initpri2.c: New test.
 595         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 596         (check_PROGRAMS): Add initpri2.
 597         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 598         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 599         * configure, testsuite/Makefile.in: Rebuild.
 600
 601 2011-06-19  Ian Lance Taylor  <[email protected]>
 602
 603         PR gold/12880
 604         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 605         .interp section to a PT_INTERP segment even if we have seen a
 606         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 607         clause in a linker script.
 608         (Layout::finalize): Don't create a .interp section if we've
 609         already create a PT_INTERP segment.
 610         (Layout::create_interp): Always call choose_output_section (revert
 611         patch of 2011-06-17).  Don't create PT_INTERP segment.
 612         * script-sections.cc
 613         (Script_sections::create_note_and_tls_segments): Add a .interp
 614         section to a PT_INTERP segment even if we have seen a
 615         --dynamic-linker option.
 616
 617 2011-06-18  Ian Lance Taylor  <[email protected]>
 618
 619         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 620         merely because a non-PT_LOAD segment has a dynamic reloc.
 621
 622 2011-06-18  Ian Lance Taylor  <[email protected]>
 623
 624         * layout.cc (Layout::finish_dynamic_section): Don't create
 625         DT_FLAGS entry if not needed.
 626
 627 2011-06-18  Ian Lance Taylor  <[email protected]>
 628
 629         PR gold/12745
 630         * layout.cc (Layout::layout_eh_frame): Correct handling of
 631         writable .eh_frame section.
 632
 633 2011-06-17  Ian Lance Taylor  <[email protected]>
 634
 635         PR gold/12893
 636         * resolve.cc (Symbol_table::resolve): Don't give an error if a
 637         symbol is redefined with the exact same object and value.
 638
 639 2011-06-17  Ian Lance Taylor  <[email protected]>
 640
 641         PR gold/12880
 642         * layout.h (class Layout): Add interp_segment_ field.
 643         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
 644         (Layout::attach_allocated_section_to_segment): If making shared
 645         library, put .interp section in PT_INTERP segment.
 646         (Layout::finalize): Also call create_interp if -dynamic-linker
 647         option was used.
 648         (Layout::create_interp): Assert that there is no PT_INTERP
 649         segment.  If not using a SECTIONS clause, use make_output_section.
 650         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
 651         * script-sections.cc
 652         (Script_sections::create_note_and_tls_segments): If making shared
 653         library, put .interp section in PT_INTERP segment.
 654
 655 2011-06-17  Ian Lance Taylor  <[email protected]>
 656
 657         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
 658         when making a shared library.
 659
 660 2011-06-17  Ian Lance Taylor  <[email protected]>
 661
 662         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
 663         parameter.  Change all callers.  Don't issue warning about PC32
 664         against locally defined symbol.
 665
 666 2011-06-16  Ian Lance Taylor  <[email protected]>
 667
 668         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
 669         occurs in same object.
 670
 671 2011-06-14  Alan Modra  <[email protected]>
 672
 673         * po/POTFILES.in: Regenerate.
 674
 675 2011-06-09  Ian Lance Taylor  <[email protected]>
 676
 677         * script-sections.cc
 678         (Orphan_output_section::set_section_addresses): For a relocatable
 679         link set address to 0.
 680
 681 2011-06-09  Cary Coutant  <[email protected]>
 682
 683         PR gold/12804
 684         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
 685         used with --compress-debug-sections.
 686         * gold/object.cc (Sized_relobj_file::do_layout): Report
 687         uncompressed size of compressed input sections.
 688
 689 2011-06-08  Cary Coutant  <[email protected]>
 690
 691         PR gold/12804
 692         * testsuite/two_file_test_2_v1.cc: Change initialization of
 693         v2 to keep it in .data.
 694
 695 2011-06-07  Cary Coutant  <[email protected]>
 696
 697         * common.cc (Symbol_table::do_allocate_commons_list): Call
 698         gold_fallback.
 699         * errors.cc (Errors::fatal): Adjust call to gold_exit.
 700         (Errors::fallback): New function.
 701         (gold_fallback): New function.
 702         * errors.h (Errors::fallback): New function.
 703         * gold.cc (gold_exit): Change status parameter to enum; adjust
 704         all callers.
 705         (queue_initial_tasks): Call gold_fallback.
 706         * gold.h: Include cstdlib.
 707         (Exit_status): New enum type.
 708         (gold_exit): Change status parameter to enum.
 709         (gold_fallback): New function.
 710         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
 711         (Layout::create_symtab_sections): Likewise.
 712         (Layout::create_shdrs): Likewise.
 713         * main.cc (main): Adjust call to gold_exit.
 714         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
 715         (Output_data_got::add_got_entry_pair): Likewise.
 716         (Output_section::add_input_section): Likewise.
 717         (Output_section::add_output_section_data): Likewise.
 718         (Output_segment::set_section_list_addresses): Likewise.
 719         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
 720
 721 2011-06-07  Cary Coutant  <[email protected]>
 722
 723         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
 724         for incremental links.
 725         * output.cc (Output_segment::set_section_list_addresses): Remove
 726         FIXME and test for TLS or BSS.
 727
 728 2011-06-07  Cary Coutant  <[email protected]>
 729
 730         * testsuite/Makefile.am: Add incremental_copy_test,
 731         incremental_common_test_1.
 732         * testsuite/Makefile.in: Regenerate.
 733         * testsuite/common_test_1_v1.c: New source file.
 734         * testsuite/common_test_1_v2.c: New source file.
 735         * testsuite/copy_test_v1.cc: New source file.
 736
 737 2011-06-07  Cary Coutant  <[email protected]>
 738
 739         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
 740         update, allocate common from bss section's free list.
 741         * incremental-dump.cc (dump_incremental_inputs): Print flag for
 742         linker-defined symbols.
 743         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 744         Skip GOT and PLT entries that are no longer referenced.
 745         (Output_section_incremental_inputs::write_info_blocks): Mark
 746         linker-defined symbols.
 747         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
 748         * output.cc (Output_section::allocate): New function.
 749         * output.h (Output_section::allocate): New function.
 750         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
 751         linker-defined symbols.
 752         (Symbol::override_base_with_special): Copy is_predefined_ flag.
 753         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
 754         (Symbol::init_base_output_data): Likewise.
 755         (Symbol::init_base_output_segment): Likewise.
 756         (Symbol::init_base_constant): Likewise.
 757         (Sized_symbol::init_output_data): Likewise.
 758         (Sized_symbol::init_output_segment): Likewise.
 759         (Sized_symbol::init_constant): Likewise.
 760         (Symbol_table::do_define_in_output_data): Likewise.
 761         (Symbol_table::do_define_in_output_segment): Likewise.
 762         (Symbol_table::do_define_as_constant): Likewise.
 763         * symtab.h (Symbol::is_predefined): New function.
 764         (Symbol::init_base_output_data): Add is_predefined parameter.
 765         (Symbol::init_base_output_segment): Likewise.
 766         (Symbol::init_base_constant): Likewise.
 767         (Symbol::is_predefined_): New data member.
 768         (Sized_symbol::init_output_data): Add is_predefined parameter.
 769         (Sized_symbol::init_output_segment): Likewise.
 770         (Sized_symbol::init_constant): Likewise.
 771         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
 772
 773 2011-06-07  Cary Coutant  <[email protected]>
 774
 775         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
 776         instead of emit_copy_reloc.
 777         (Copy_relocs::emit_copy_reloc): Refactor.
 778         (Copy_relocs::make_copy_reloc): New function.
 779         (Copy_relocs::add_copy_reloc): Remove.
 780         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
 781         section.
 782         (Copy_relocs::make_copy_reloc): New function.
 783         (Copy_relocs::add_copy_reloc): Remove.
 784         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
 785         unchanged input files.
 786         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
 787         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
 788         Reserve BSS space for COPY relocations.
 789         (Sized_incremental_binary::do_emit_copy_relocs): New function.
 790         (Output_section_incremental_inputs::write_info_blocks): Record
 791         whether a symbol is copied from a shared object.
 792         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
 793         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
 794         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
 795         (Incremental_input_entry_reader::get_output_symbol_index): Add
 796         is_copy parameter.
 797         (Incremental_binary::emit_copy_relocs): New function.
 798         (Incremental_binary::do_emit_copy_relocs): New function.
 799         (Sized_incremental_binary::Sized_incremental_binary): Initialize
 800         new data member.
 801         (Sized_incremental_binary::add_copy_reloc): New function.
 802         (Sized_incremental_binary::do_emit_copy_relocs): New function.
 803         (Sized_incremental_binary::Copy_reloc): New struct.
 804         (Sized_incremental_binary::Copy_relocs): New typedef.
 805         (Sized_incremental_binary::copy_relocs_): New data member.
 806         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
 807         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
 808         * target.h (Sized_target::emit_copy_reloc): New function.
 809         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
 810
 811 2011-06-02  Cary Coutant  <[email protected]>
 812
 813         PR gold/12163
 814         * gold/archive.cc (Archive::Archive): Initialize new data member.
 815         (Archive::include_all_members): Return if archive has already been
 816         included.
 817         * gold/archive.h (Archive::include_all_members_): New data member.
 818
 819 2011-06-02  Nick Clifton  <[email protected]>
 820
 821         * dynobj.h: Fix spelling mistake in comment.
 822         * output.cc: Likewise.
 823
 824 2011-05-31  Doug Kwan  <[email protected]>
 825             Asier Llano
 826
 827         PR gold/12826
 828         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
 829         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
 830         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
 831         redundant arm_exidx_test.so.
 832         * testsuite/Makefile.in: Regenerate.
 833         (check_SCRIPTS): Add pr12826.sh
 834         (check_DATA): Add pr12826.stdout
 835         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
 836         * testsuite/pr12826.sh: New file.
 837         * testsuite/pr12826_1.s: Ditto.
 838         * testsuite/pr12826_1.s: Ditto.
 839
 840 2011-05-30  Ian Lance Taylor  <[email protected]>
 841
 842         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
 843         sections.
 844
 845 2011-05-29  Ian Lance Taylor  <[email protected]>
 846
 847         PR gold/12804
 848         * testsuite/Makefile.am: Use different file name for two_file_test
 849         temporary file for each incremental test.
 850         * testsuite/Makefile.in: Rebuild.
 851
 852 2011-05-29  Ian Lance Taylor  <[email protected]>
 853
 854         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
 855         binary input file is empty.
 856
 857 2011-05-27  Ian Lance Taylor  <[email protected]>
 858
 859         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
 860         (ver_test_9.so): Likewise.
 861         * testsuite/Makefile.in: Rebuild.
 862
 863 2011-05-26 Cary Coutant  <[email protected]>
 864
 865         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
 866         * incremental.cc (Incremental_inputs::report_input_section): Fix
 867         comment, indentation.
 868         (Incremental_inputs::report_comdat_group): New function.
 869         (Output_section_incremental_inputs::set_final_data_size): Adjust size
 870         of data for incremental input file entry.
 871         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
 872         group count, COMDAT group signatures.
 873         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
 874         an unchanged input file.
 875         * incremental.h (Incremental_object_entry::Incremental_object_entry):
 876         Initialize new data member.
 877         (Incremental_object_entry::add_comdat_group): New function.
 878         (Incremental_object_entry::get_comdat_group_count): New function.
 879         (Incremental_object_entry::get_comdat_signature_key): New function.
 880         (Incremental_object_entry::groups_): New data member.
 881         (Incremental_inputs::report_comdat_group): New function.
 882         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
 883         data for incremental input file entry.
 884         (Incremental_input_entry_reader::get_comdat_group_count): New function.
 885         (Incremental_input_entry_reader::get_input_section): Adjust size of
 886         data for incremental input file entry.
 887         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
 888         (Incremental_input_entry_reader::get_comdat_group_signature): New
 889         function.
 890         * object.cc (Sized_relobj::include_section_group): Report kept
 891         COMDAT groups for incremental links.
 892
 893 2011-05-24  David Meyer  <[email protected]>
 894
 895         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
 896         with name parameter.  Add found_name parameter.
 897         * fileread.cc (Input_file::find_file): Adjust code accordingly.
 898         * dirsearch.h (class Dirsearch): Update declaration.
 899
 900 2011-05-24  Ian Lance Taylor  <[email protected]>
 901
 902         * archive.cc (Library_base::should_include_member): Pull in object
 903         from archive if it defines the entry symbol.
 904         * parameters.cc (Parameters::entry): New function.
 905         * parameters.h (class Parameters): Declare entry.
 906         * output.h (class Output_file_header): Remove entry_ field.
 907         * output.cc (Output_file_header::Output_file_header): Remove entry
 908         parameter.  Change all callers.
 909         (Output_file_header::entry): Use parameters->entry.
 910         * gold.cc (queue_middle_tasks): Likewise.
 911         * plugin.cc (Plugin_hook::run): Likewise.
 912
 913 2011-05-24 Cary Coutant  <[email protected]>
 914
 915         * gold.cc (queue_initial_tasks): Pass incremental base filename
 916         to Output_file::open_base_file; don't print error message.
 917         * incremental-dump.cc (main): Adjust call to
 918         Output_file::open_for_modification.
 919         * incremental-dump.cc (main): Likewise.
 920         * incremental.cc (Incremental_inputs::report_command_line):
 921         Ignore --incremental-base option when comparing command lines.
 922         Ignore parameter when given as separate argument.
 923         * options.h (class General_options): Add --incremental-base.
 924         * output.cc (Output_file::Output_file):
 925         (Output_file::open_base_file): Add base_name and writable parameters;
 926         read base file into new file; print error message here.
 927         (Output_file::map_no_anonymous): Add writable parameter; adjust all
 928         callers.
 929         * output.h (Output_file::open_for_modification): Rename to...
 930         (Output_file::open_base_file): ...this; add base_name and
 931         writable parameters; adjust all callers.
 932         (Output_file::map_no_anonymous): Add writable parameter; adjust all
 933         callers.
 934         * testsuite/Makefile.am (incremental_test_4): Test
 935         --incremental-base.
 936         * testsuite/Makefile.in: Regenerate.
 937
 938 2011-05-24 Cary Coutant  <[email protected]>
 939
 940         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
 941         incremental_test_4.
 942         * testsuite/Makefile.in: Regenerate.
 943         * testsuite/two_file_test_1_v1.cc: New test source file.
 944         * testsuite/two_file_test_1b_v1.cc: New test source file.
 945         * testsuite/two_file_test_2_v1.cc: New test source file.
 946
 947 2011-05-24 Cary Coutant  <[email protected]>
 948
 949         * dynobj.h (Dynobj::do_dynobj): New function.
 950         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
 951         flag and soname for shared objects.
 952         * incremental.cc (Incremental_inputs::report_object): Make
 953         either Incremental_object_entry or Incremental_dynobj_entry; add
 954         soname to string table.
 955         (Incremental_inputs::report_input_section): Add assertion.
 956         (Output_section_incremental_inputs::set_final_data_size): Adjust
 957         type of input file entry for shared libraries; adjust size of
 958         shared library info entry.
 959         (Output_section_incremental_inputs::write_input_files): Write
 960         as_needed flag for shared libraries.
 961         (Output_section_incremental_inputs::write_info_blocks): Adjust type
 962         of input file entry for shared libraries; write soname.
 963         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
 964         soname from incremental info.
 965         * incremental.h (enum Incremental_input_flags): Add
 966         INCREMENTAL_INPUT_AS_NEEDED.
 967         (Incremental_input_entry::Incremental_input_entry): Initialize new
 968         data member.
 969         (Incremental_input_entry::set_as_needed): New function.
 970         (Incremental_input_entry::as_needed): New function.
 971         (Incremental_input_entry::do_dynobj_entry): New function.
 972         (Incremental_input_entry::as_needed_): New data member.
 973         (Incremental_object_entry::Incremental_object_entry): Don't check
 974         for shared library.
 975         (Incremental_object_entry::do_type): Likewise.
 976         (class Incremental_dynobj_entry): New class.
 977         (Incremental_input_entry_reader::as_needed): New function.
 978         (Incremental_input_entry_reader::get_soname): New function.
 979         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
 980         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
 981         size of shared library info entry.
 982         * layout.cc (Layout::finish_dynamic_section): Don't test for
 983         incremental link when adding DT_NEEDED entries.
 984         * object.h (Object::Object): Initialize new data member.
 985         (Object::dynobj): New function.
 986         (Object::set_as_needed): New function.
 987         (Object::as_needed): New function.
 988         (Object::do_dynobj): New function.
 989         (Object::as_needed_): New data member.
 990
 991 2011-05-24 Cary Coutant  <[email protected]>
 992
 993         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
 994         info; adjust display of GOT entries.
 995         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
 996         vector of input objects; remove file_status_.
 997         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
 998         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
 999         got_plt reader; call target hooks to reserve GOT entries.
1000         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1001         of input file info header and GOT info entry.
1002         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1003         relocation info.
1004         (Got_plt_view_info::got_descriptor): Remove.
1005         (Got_plt_view_info::sym_index): New data member.
1006         (Got_plt_view_info::input_index): New data member.
1007         (Local_got_offset_visitor::visit): Write input file index.
1008         (Global_got_offset_visitor::visit): Write 0 for input file index.
1009         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1010         with sym_index and input_index.
1011         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1012         incremental info GOT entry; replace got_descriptor with input_index.
1013         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1014         map from input file index to object.
1015         (Sized_relobj_incr::do_layout): Replace direct data member reference
1016         with accessor function.
1017         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1018         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1019         Adjust size of input file info header.
1020         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1021         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1022         (Incremental_input_entry_reader::get_input_section): Adjust size of
1023         input file info header.
1024         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1025         of incremental info GOT entry.
1026         (Incremental_got_plt_reader::get_got_desc): Remove.
1027         (Incremental_got_plt_reader::get_got_symndx): New function.
1028         (Incremental_got_plt_reader::get_got_input_index): New function.
1029         (Sized_incremental_binary::Sized_incremental_binary): Remove
1030         file_status_; add input_objects_.
1031         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1032         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1033         (Sized_incremental_binary::file_is_unchanged): Remove.
1034         (Sized_incremental_binary::set_input_object): New function.
1035         (Sized_incremental_binary::input_object): New function.
1036         (Sized_incremental_binary::file_status_): Remove.
1037         (Sized_incremental_binary::input_objects_): New data member.
1038         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1039         references.
1040         (Sized_relobj_incr::invalid_address): Move to base class.
1041         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1042         class.
1043         (Sized_relobj_incr::do_output_section_offset): Likewise.
1044         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1045         (Sized_relobj_incr::section_offsets_): Likewise.
1046         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1047         function.
1048         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1049         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1050         with accessor function.
1051         (Sized_relobj_file::do_layout): Likewise.
1052         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1053         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1054         (Sized_relobj_file::compute_final_local_value): Replace refs to
1055         section_offsets_ with accessor function.
1056         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1057         * object.h (Relobj::Relobj): Initialize new data members.
1058         (Relobj::add_dyn_reloc): New function.
1059         (Relobj::first_dyn_reloc): New function.
1060         (Relobj::dyn_reloc_count): New function.
1061         (Relobj::first_dyn_reloc_): New data member.
1062         (Relobj::dyn_reloc_count_): New data member.
1063         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1064         references.
1065         (Sized_relobj::Address): New typedef.
1066         (Sized_relobj::invalid_address): Move here from child class.
1067         (Sized_relobj::Sized_relobj): Initialize new data members.
1068         (Sized_relobj::sized_relobj): New function.
1069         (Sized_relobj::is_output_section_offset_invalid): Move here from
1070         child class.
1071         (Sized_relobj::get_output_section_offset): Likewise.
1072         (Sized_relobj::local_has_got_offset): Likewise.
1073         (Sized_relobj::local_got_offset): Likewise.
1074         (Sized_relobj::set_local_got_offset): Likewise.
1075         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1076         (Sized_relobj::clear_got_offsets): New function.
1077         (Sized_relobj::section_offsets): Move here from child class.
1078         (Sized_relobj::do_output_section_offset): Likewise.
1079         (Sized_relobj::do_set_section_offset): Likewise.
1080         (Sized_relobj::Local_got_offsets): Likewise.
1081         (Sized_relobj::local_got_offsets_): Likewise.
1082         (Sized_relobj::section_offsets_): Likewise.
1083         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1084         references.
1085         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1086         class.
1087         (Sized_relobj_file::sized_relobj): New function
1088         (Sized_relobj_file::local_has_got_offset): Move to base class.
1089         (Sized_relobj_file::local_got_offset): Likewise.
1090         (Sized_relobj_file::set_local_got_offset): Likewise.
1091         (Sized_relobj_file::get_output_section_offset): Likewise.
1092         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1093         (Sized_relobj_file::do_output_section_offset): Likewise.
1094         (Sized_relobj_file::do_set_section_offset): Likewise.
1095         (Sized_relobj_file::Local_got_offsets): Likewise.
1096         (Sized_relobj_file::local_got_offsets_): Likewise.
1097         (Sized_relobj_file::section_offsets_): Likewise.
1098         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1099         (all constructors).
1100         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1101         (Output_reloc::get_symbol_index): Likewise.
1102         (Output_reloc::local_section_offset): Likewise.
1103         (Output_reloc::get_address): Likewise.
1104         (Output_reloc::symbol_value): Likewise.
1105         (Output_data_got::reserve_slot): Move to class definition.
1106         (Output_data_got::reserve_local): New function.
1107         (Output_data_got::reserve_slot_for_global): Remove.
1108         (Output_data_got::reserve_global): New function.
1109         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1110         (all constructors, two instantiations).
1111         (Output_reloc::get_relobj): New function (two instantiations).
1112         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1113         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1114         (Output_data_reloc::add_global): Adjust type of relobj.
1115         (Output_data_reloc::add_global_relative): Likewise.
1116         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1117         (Output_data_reloc::add_local): Likewise.
1118         (Output_data_reloc::add_local_relative): Likewise.
1119         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1120         (Output_data_reloc::add_local_section): Likewise.
1121         (Output_data_reloc::add_output_section): Likewise.
1122         (Output_data_reloc::add_absolute): Likewise.
1123         (Output_data_reloc::add_target_specific): Likewise.
1124         (Output_data_got::reserve_slot): Move definition here.
1125         (Output_data_got::reserve_local): New function.
1126         (Output_data_got::reserve_global): New function.
1127         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1128         section_offsets_ with accessor function.
1129         (Sized_relobj_file::write_sections): Likewise.
1130         (Sized_relobj_file::do_relocate_sections): Likewise.
1131         * target.h (Sized_target::reserve_local_got_entry): New function.
1132         (Sized_target::reserve_global_got_entry): New function.
1133         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1134         (Target_x86_64::reserve_global_got_entry): New function.
1135         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1136
1137 2011-05-23 Cary Coutant  <[email protected]>
1138
1139         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1140         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1141         bit when checking got_type.
1142         * incremental.cc (Sized_incremental_binary::setup_readers):
1143         Store symbol table and string table locations; initialize bit vector
1144         of file status flags.
1145         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1146         unchanged files.
1147         (Sized_incremental_binary::do_process_got_plt): New function.
1148         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1149         (Output_section_incremental_inputs::set_final_data_size): Record
1150         file index for each input file.
1151         (Output_section_incremental_inputs::write_got_plt): Store file index
1152         instead of input entry offset for each GOT entry.
1153         * incremental.h
1154         (Incremental_input_entry::Incremental_input_entry): Initialize new
1155         data member.
1156         (Incremental_input_entry::set_offset): Store file index.
1157         (Incremental_input_entry::get_file_index): New function.
1158         (Incremental_input_entry::file_index_): New data member.
1159         (Incremental_binary::process_got_plt): New function.
1160         (Incremental_binary::do_process_got_plt): New function.
1161         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1162         data members.
1163         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1164         (Sized_incremental_binary::set_file_is_unchanged): New function.
1165         (Sized_incremental_binary::file_is_unchanged): New function.
1166         (Sized_incremental_binary::do_process_got_plt): New function.
1167         (Sized_incremental_binary::file_status_): New data member.
1168         (Sized_incremental_binary::main_symtab_loc_): New data member.
1169         (Sized_incremental_binary::main_strtab_loc_): New data member.
1170         * output.cc (Output_data_got::Got_entry::write): Add case
1171         RESERVED_CODE.
1172         (Output_data_got::add_global): Call add_got_entry.
1173         (Output_data_got::add_global_plt): Likewise.
1174         (Output_data_got::add_global_with_rel): Likewise.
1175         (Output_data_got::add_global_with_rela): Likewise.
1176         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1177         (Output_data_got::add_global_pair_with_rela): Likewise.
1178         (Output_data_got::add_local): Call add_got_entry.
1179         (Output_data_got::add_local_plt): Likewise.
1180         (Output_data_got::add_local_with_rel): Likewise.
1181         (Output_data_got::add_local_with_rela): Likewise.
1182         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1183         (Output_data_got::add_local_pair_with_rela): Likewise.
1184         (Output_data_got::reserve_slot): New function.
1185         (Output_data_got::reserve_slot_for_global): New function.
1186         (Output_data_got::add_got_entry): New function.
1187         (Output_data_got::add_got_entry_pair): New function.
1188         (Output_section::add_output_section_data): Edit FIXME.
1189         * output.h
1190         (Output_section_data_build::Output_section_data_build): New
1191         constructor with size parameter.
1192         (Output_data_space::Output_data_space): Likewise.
1193         (Output_data_got::Output_data_got): Initialize new data member; new
1194         constructor with size parameter.
1195         (Output_data_got::add_constant): Call add_got_entry.
1196         (Output_data_got::reserve_slot): New function.
1197         (Output_data_got::reserve_slot_for_global): New function.
1198         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1199         (Output_data_got::add_got_entry): New function.
1200         (Output_data_got::add_got_entry_pair): New function.
1201         (Output_data_got::free_list_): New data member.
1202         * target.h (Sized_target::init_got_plt_for_update): New function.
1203         (Sized_target::register_global_plt_entry): New function.
1204         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1205         Initialize new data member; call init; add constructor with PLT count.
1206         (Output_data_plt_x86_64::init): New function.
1207         (Output_data_plt_x86_64::add_relocation): New function.
1208         (Output_data_plt_x86_64::reserve_slot): New function.
1209         (Output_data_plt_x86_64::free_list_): New data member.
1210         (Target_x86_64::init_got_plt_for_update): New function.
1211         (Target_x86_64::register_global_plt_entry): New function.
1212         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1213         incremental updates.
1214         (Output_data_plt_x86_64::add_relocation): New function.
1215         * testsuite/object_unittest.cc (Object_test): Set default options.
1216
1217 2011-05-16  Ian Lance Taylor  <[email protected]>
1218
1219         * options.h (class General_options): Make -i a synonym for -r.
1220
1221 2011-05-16  Ian Lance Taylor  <[email protected]>
1222
1223         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1224
1225 2011-05-10 Cary Coutant  <[email protected]>
1226
1227         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1228         strip_all (-s).
1229
1230 2011-05-06  Ian Lance Taylor  <[email protected]>
1231
1232         * layout.cc (Layout::layout): If the output section flags change,
1233         update the ordering.
1234
1235 2011-04-25 Cary Coutant  <[email protected]>
1236
1237         * incremental-dump.cc (dump_incremental_inputs): Print local
1238         symbol info for each input file.
1239         * incremental.cc
1240         (Output_section_incremental_inputs::set_final_data_size): Add local
1241         symbol info to input file entries in incremental info.
1242         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1243         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1244         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1245         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1246         implementation.
1247         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1248         (Sized_incr_relobj::do_relocate): Write the local symbols.
1249         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1250         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1251         Adjust size of input file header.
1252         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1253         (Incremental_inputs_reader::get_local_symbol_count): New function.
1254         (Incremental_inputs_reader::get_input_section): Adjust size of input
1255         file header.
1256         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1257         (Sized_incr_relobj::This): New typedef.
1258         (Sized_incr_relobj::sym_size): New const data member.
1259         (Sized_incr_relobj::Local_symbol): New struct.
1260         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1261         (Sized_incr_relobj::do_local_symbol_offset): New function.
1262         (Sized_incr_relobj::local_symbol_count_): New data member.
1263         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1264         (Sized_incr_relobj::local_symbol_index_): New data member.
1265         (Sized_incr_relobj::local_symbol_offset_): New data member.
1266         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1267         (Sized_incr_relobj::local_symbols_): New data member.
1268         * object.h (Relobj::output_local_symbol_count): New function.
1269         (Relobj::local_symbol_offset): New function.
1270         (Relobj::do_output_local_symbol_count): New function.
1271         (Relobj::do_local_symbol_offset): New function.
1272         (Sized_relobj::do_output_local_symbol_count): New function.
1273         (Sized_relobj::do_local_symbol_offset): New function.
1274
1275 2011-04-22  Vladimir Simonov  <[email protected]>
1276
1277         * descriptors.cc (set_close_on_exec): New function.
1278         (Descriptors::open): Use set_close_on_exec.
1279         * output.cc (S_ISLNK): Define if not defined.
1280
1281 2011-04-22 Cary Coutant  <[email protected]>
1282
1283         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1284         global symbol map.
1285         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1286         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1287         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1288         relocations.
1289         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1290         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1291         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1292         * incremental.h
1293         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1294         function.
1295         (Incremental_binary::apply_incremental_relocs): New function.
1296         (Incremental_binary::do_apply_incremental_relocs): New function.
1297         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1298         data member.
1299         (Sized_incremental_binary::add_global_symbol): New function.
1300         (Sized_incremental_binary::global_symbol): New function.
1301         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1302         (Sized_incremental_binary::symbol_map_): New data member.
1303         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1304         * target.h (Sized_target::apply_relocation): New function.
1305         * target-reloc.h (apply_relocation): New function.
1306         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1307
1308 2011-04-22  Doug Kwan  <[email protected]>
1309
1310         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1311         flag of a SHT_ARM_EXIDX section.
1312         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1313         * testsuite/Makefile.in: Regenerate.
1314         * testsuite/arm_exidx_test.s: New file.
1315         * testsuite/arm_exidx_test.sh: Same.
1316
1317 2011-04-20 Cary Coutant  <[email protected]>
1318
1319         PR gold/12689
1320         * archive.h (Incremental_archive_entry::Archive_member):
1321         Initialize arg_serial_ (second constructor).
1322
1323 2011-04-17  Ian Lance Taylor  <[email protected]>
1324
1325         * object.cc (Relocate_info::location): Simplify location string.
1326         * errors.cc (Errors::error_at_location): Don't print program
1327         name.
1328         (Errors::warning_at_location): Likewise.
1329         (Errors::undefined_symbol): Likewise.
1330         * testsuite/debug_msg.sh: Update accordingly.
1331
1332 2011-04-14 Cary Coutant  <[email protected]>
1333
1334         * gold/layout.cc (Layout::symtab_section_offset): New function.
1335         * gold/layout.h (Layout::symtab_section_offset): New function.
1336         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1337
1338 2011-04-12  Ian Lance Taylor  <[email protected]>
1339
1340         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1341         with MREMAP_MAYMOVE.
1342         * output.h (class Output_file): Add map_is_allocated_ field.
1343         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1344         not available, provide stubs.  If mremap is not available, #define
1345         it to gold_mremap.
1346         (MREMAP_MAYMOVE): Define if not defined.
1347         (Output_file::Output_file): Initialize map_is_allocated_.
1348         (Output_file::resize): Check map_is_allocated_.
1349         (Output_file::map_anonymous): If mmap fails, use malloc.
1350         (Output_file::unmap): Don't do anything for an anonymous map.
1351         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1352         is not available, provide stubs.
1353         (File_read::View::~View): Use free rather than delete[].
1354         (File_read::make_view): Use malloc rather than new[].  If mmap
1355         fails, use malloc.
1356         (File_read::find_or_make_view): Use malloc rather than new[].
1357         * gold.h: Remove HAVE_REMAP code.
1358         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1359         exists.  Rename mremap to gold_mremap.  If mmap is not available
1360         don't do anything.
1361         * configure, config.in: Rebuild.
1362
1363 2011-04-11  Ian Lance Taylor  <[email protected]>
1364
1365         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1366         initialize local variable v.
1367
1368 2011-04-11  Cary Coutant  <[email protected]>
1369
1370         * archive.cc (Archive::include_member): Adjust call to
1371         report_object.
1372         (Add_archive_symbols::run): Track argument serial numbers.
1373         (Lib_group::include_member): Likewise.
1374         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1375         * archive.h (Incremental_archive_entry::Archive_member):
1376         Initialize arg_serial_.
1377         (Archive_member::arg_serial_): New data member.
1378         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1379         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1380         incremental link.
1381         (Sized_dynobj::do_for_all_local_got_entries): New function.
1382         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1383         function.
1384         * fileread.cc (get_mtime): New function.
1385         * fileread.h (get_mtime): New function.
1386         * gold.cc (queue_initial_tasks): Check for incremental update.
1387         (process_incremental_input): New function.
1388         (queue_middle_tasks): Don't force valid target for incremental
1389         update.
1390         * incremental-dump.cc (find_input_containing_global): Adjust
1391         size of symbol info entry.
1392         (dump_incremental_inputs): Dump argument serial number and
1393         in_system_directory flag; bias shndx by 1; print symbol names
1394         when dumping per-file symbol lists; use new symbol info readers.
1395         * incremental.cc
1396         (Output_section_incremental_inputs:update_data_size): New function.
1397         (Sized_incremental_binary::setup_readers): Setup input readers
1398         for each input file; build maps for files added from libraries
1399         and scripts.
1400         (Sized_incremental_binary::check_input_args): New function.
1401         (Sized_incremental_binary::do_check_inputs): Build map of argument
1402         serial numbers to input arguments.
1403         (Sized_incremental_binary::do_file_has_changed): Rename
1404         do_file_is_unchanged to this; compare file modification times.
1405         (Sized_incremental_binary::do_init_layout): New function.
1406         (Sized_incremental_binary::do_reserve_layout): New function.
1407         (Sized_incremental_binary::do_get_input_reader): Remove.
1408         (Sized_incremental_binary::get_symtab_view): New function.
1409         (Incremental_checker::can_incrementally_link_output_file): Remove.
1410         (Incremental_inputs::report_command_line): Exclude --debug options.
1411         (Incremental_inputs::report_archive_begin): Add parameter; track
1412         argument serial numbers; don't put input file entry for archive
1413         before archive members.
1414         (Incremental_inputs::report_archive_end): Put input file entry
1415         for archive after archive members.
1416         (Incremental_inputs::report_object): Add parameter; track argument
1417         serial numbers and in_system_directory flag.
1418         (Incremental_inputs::report_script): Add parameter; track argument
1419         serial numbers.
1420         (Output_section_incremental_inputs::set_final_data_size): Adjust
1421         size of symbol info entry; check for forwarding symbols.
1422         (Output_section_incremental_inputs::write_input_files): Write
1423         in_system_directory flag and argument serial number.
1424         (Output_section_incremental_inputs::write_info_blocks): Map section
1425         indices between incremental info and original input file; store
1426         input section index for each symbol.
1427         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1428         change operator() to visit().
1429         (class Global_got_offset_visitor): Likewise.
1430         (class Global_symbol_visitor_got_plt):
1431         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1432         classes.
1433         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1434         (Sized_incr_relobj::do_read_symbols): New function.
1435         (Sized_incr_relobj::do_layout): New function.
1436         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1437         (Sized_incr_relobj::do_add_symbols): New function.
1438         (Sized_incr_relobj::do_should_include_member): New function.
1439         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1440         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1441         (Sized_incr_relobj::do_section_size): New function.
1442         (Sized_incr_relobj::do_section_name): New function.
1443         (Sized_incr_relobj::do_section_contents): New function.
1444         (Sized_incr_relobj::do_section_flags): New function.
1445         (Sized_incr_relobj::do_section_entsize): New function.
1446         (Sized_incr_relobj::do_section_address): New function.
1447         (Sized_incr_relobj::do_section_type): New function.
1448         (Sized_incr_relobj::do_section_link): New function.
1449         (Sized_incr_relobj::do_section_info): New function.
1450         (Sized_incr_relobj::do_section_addralign): New function.
1451         (Sized_incr_relobj::do_initialize_xindex): New function.
1452         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1453         (Sized_incr_relobj::do_read_relocs): New function.
1454         (Sized_incr_relobj::do_gc_process_relocs): New function.
1455         (Sized_incr_relobj::do_scan_relocs): New function.
1456         (Sized_incr_relobj::do_count_local_symbols): New function.
1457         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1458         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1459         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1460         (Sized_incr_relobj::do_relocate): New function.
1461         (Sized_incr_relobj::do_set_section_offset): New function.
1462         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1463         (Sized_incr_dynobj::do_read_symbols): New function.
1464         (Sized_incr_dynobj::do_layout): New function.
1465         (Sized_incr_dynobj::do_add_symbols): New function.
1466         (Sized_incr_dynobj::do_should_include_member): New function.
1467         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1468         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1469         (Sized_incr_dynobj::do_section_size): New function.
1470         (Sized_incr_dynobj::do_section_name): New function.
1471         (Sized_incr_dynobj::do_section_contents): New function.
1472         (Sized_incr_dynobj::do_section_flags): New function.
1473         (Sized_incr_dynobj::do_section_entsize): New function.
1474         (Sized_incr_dynobj::do_section_address): New function.
1475         (Sized_incr_dynobj::do_section_type): New function.
1476         (Sized_incr_dynobj::do_section_link): New function.
1477         (Sized_incr_dynobj::do_section_info): New function.
1478         (Sized_incr_dynobj::do_section_addralign): New function.
1479         (Sized_incr_dynobj::do_initialize_xindex): New function.
1480         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1481         (make_sized_incremental_object): New function.
1482         (Incremental_library::copy_unused_symbols): New function.
1483         (Incremental_library::do_for_all_unused_symbols): New function.
1484         * incremental.h (enum Incremental_input_flags): New type.
1485         (class Incremental_checker): Remove.
1486         (Incremental_input_entry::Incremental_input_entry): Add argument
1487         serial number.
1488         (Incremental_input_entry::arg_serial): New function.
1489         (Incremental_input_entry::set_is_in_system_directory): New function.
1490         (Incremental_input_entry::is_in_system_directory): New function.
1491         (Incremental_input_entry::arg_serial_): New data member.
1492         (Incremental_input_entry::is_in_system_directory_): New data member.
1493         (class Script_info): Move here from script.h.
1494         (Script_info::Script_info): Add filename parameter.
1495         (Script_info::filename): New function.
1496         (Script_info::filename_): New data member.
1497         (Incremental_script_entry::Incremental_script_entry): Add argument
1498         serial number.
1499         (Incremental_object_entry::Incremental_object_entry): Likewise.
1500         (Incremental_object_entry::add_input_section): Build list of input
1501         sections with map to original shndx.
1502         (Incremental_object_entry::get_input_section_index): New function.
1503         (Incremental_object_entry::shndx_): New data member.
1504         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1505         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1506         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1507         serial number.
1508         (Incremental_inputs::report_archive_begin): Likewise.
1509         (Incremental_inputs::report_object): Likewise.
1510         (Incremental_inputs::report_script): Likewise.
1511         (class Incremental_global_symbol_reader): New class.
1512         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1513         and store flags and input file type.
1514         (Incremental_input_entry_reader::arg_serial): New function.
1515         (Incremental_input_entry_reader::type): Extract type from flags.
1516         (Incremental_input_entry_reader::is_in_system_directory): New function.
1517         (Incremental_input_entry_reader::get_input_section_count): Call
1518         accessor function for type.
1519         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1520         function for type; adjust size of global symbol entry.
1521         (Incremental_input_entry_reader::get_global_symbol_count): Call
1522         accessor function for type.
1523         (Incremental_input_entry_reader::get_object_count): Likewise.
1524         (Incremental_input_entry_reader::get_object_offset): Likewise.
1525         (Incremental_input_entry_reader::get_member_count): Likewise.
1526         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1527         (Incremental_input_entry_reader::get_member_offset): Likewise.
1528         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1529         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1530         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1531         (Incremental_input_entry_reader::get_global_symbol_reader): New
1532         function.
1533         (Incremental_input_entry_reader::get_output_symbol_index): New
1534         function.
1535         (Incremental_input_entry_reader::type_): Remove.
1536         (Incremental_input_entry_reader::flags_): New data member.
1537         (Incremental_inputs_reader::input_file_offset): New function.
1538         (Incremental_inputs_reader::input_file_index): New function.
1539         (Incremental_inputs_reader::input_file): Call input_file_offset.
1540         (Incremental_inputs_reader::input_file_at_offset): New function.
1541         (Incremental_relocs_reader::get_r_type): Reformat.
1542         (Incremental_relocs_reader::get_r_shndx): Reformat.
1543         (Incremental_relocs_reader::get_r_offset): Reformat.
1544         (Incremental_relocs_reader::data): New function.
1545         (Incremental_binary::Incremental_binary): Initialize new data members.
1546         (Incremental_binary::check_inputs): Add cmdline parameter.
1547         (Incremental_binary::file_is_unchanged): Remove.
1548         (Input_reader::arg_serial): New function.
1549         (Input_reader::get_unused_symbol_count): New function.
1550         (Input_reader::get_unused_symbol): New function.
1551         (Input_reader::do_arg_serial): New function.
1552         (Input_reader::do_get_unused_symbol_count): New function.
1553         (Input_reader::do_get_unused_symbol): New function.
1554         (Incremental_binary::input_file_count): New function.
1555         (Incremental_binary::get_input_reader): Change signature to use
1556         index instead of filename.
1557         (Incremental_binary::file_has_changed): New function.
1558         (Incremental_binary::get_input_argument): New function.
1559         (Incremental_binary::get_library): New function.
1560         (Incremental_binary::get_script_info): New function.
1561         (Incremental_binary::init_layout): New function.
1562         (Incremental_binary::reserve_layout): New function.
1563         (Incremental_binary::output_file): New function.
1564         (Incremental_binary::do_check_inputs): New function.
1565         (Incremental_binary::do_file_is_unchanged): Remove.
1566         (Incremental_binary::do_file_has_changed): New function.
1567         (Incremental_binary::do_init_layout): New function.
1568         (Incremental_binary::do_reserve_layout): New function.
1569         (Incremental_binary::do_input_file_count): New function.
1570         (Incremental_binary::do_get_input_reader): Change signature.
1571         (Incremental_binary::input_args_map_): New data member.
1572         (Incremental_binary::library_map_): New data member.
1573         (Incremental_binary::script_map_): New data member.
1574         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1575         new data members.
1576         (Sized_incremental_binary::output_section): New function.
1577         (Sized_incremental_binary::inputs_reader): Add const.
1578         (Sized_incremental_binary::symtab_reader): Add const.
1579         (Sized_incremental_binary::relocs_reader): Add const.
1580         (Sized_incremental_binary::got_plt_reader): Add const.
1581         (Sized_incremental_binary::get_symtab_view): New function.
1582         (Sized_incremental_binary::Inputs_reader): New typedef.
1583         (Sized_incremental_binary::Input_entry_reader): New typedef.
1584         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1585         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1586         (Sized_incremental_binary::do_file_has_changed): New function.
1587         (Sized_incremental_binary::do_init_layout): New function.
1588         (Sized_incremental_binary::do_reserve_layout): New function.
1589         (Sized_input_reader::Inputs_reader): Remove.
1590         (Sized_input_reader::Input_entry_reader): Remove.
1591         (Sized_input_reader::do_arg_serial): New function.
1592         (Sized_input_reader::do_get_unused_symbol_count): New function.
1593         (Sized_input_reader::do_get_unused_symbol): New function.
1594         (Sized_incremental_binary::do_input_file_count): New function.
1595         (Sized_incremental_binary::do_get_input_reader): Change signature;
1596         use index instead of filename.
1597         (Sized_incremental_binary::section_map_): New data member.
1598         (Sized_incremental_binary::input_entry_readers_): New data member.
1599         (class Sized_incr_relobj): New class.
1600         (class Sized_incr_dynobj): New class.
1601         (make_sized_incremental_object): New function.
1602         (class Incremental_library): New class.
1603         * layout.cc (Free_list::num_lists): New static data member.
1604         (Free_list::num_nodes): New static data member.
1605         (Free_list::num_removes): New static data member.
1606         (Free_list::num_remove_visits): New static data member.
1607         (Free_list::num_allocates): New static data member.
1608         (Free_list::num_allocate_visits): New static data member.
1609         (Free_list::init): New function.
1610         (Free_list::remove): New function.
1611         (Free_list::allocate): New function.
1612         (Free_list::dump): New function.
1613         (Free_list::print_stats): New function.
1614         (Layout_task_runner::run): Resize output file for incremental updates.
1615         (Layout::Layout): Initialize new data members.
1616         (Layout::set_incremental_base): New function.
1617         (Layout::init_fixed_output_section): New function.
1618         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1619         incremental updates.
1620         (Layout::create_gold_note): Do not create gold note section for
1621         incremental updates.
1622         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1623         for incremental updates.
1624         (Layout::set_section_offsets): For incremental updates, allocate space
1625         from free list.
1626         (Layout::create_symtab_sections): Layout with offsets relative to
1627         start of section; for incremental updates, allocate space from free
1628         list.
1629         (Layout::create_shdrs): For incremental updates, allocate space from
1630         free list.
1631         (Layout::finish_dynamic_section): For incremental updates, do not
1632         check --as-needed (fixed in subsequent patch).
1633         * layout.h (class Free_list): New class.
1634         (Layout::set_incremental_base): New function.
1635         (Layout::incremental_base): New function.
1636         (Layout::init_fixed_output_section): New function.
1637         (Layout::allocate): New function.
1638         (Layout::incremental_base_): New data member.
1639         (Layout::free_list_): New data member.
1640         * main.cc (main): Print Free_list statistics.
1641         * object.cc (Relobj::finalize_incremental_relocs): Add
1642         clear_counts parameter; clear counts only when clear_counts is set.
1643         (Sized_relobj::Sized_relobj): Initialize new base class.
1644         (Sized_relobj::do_layout): Don't report special sections.
1645         (Sized_relobj::do_for_all_local_got_entries): New function.
1646         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1647         symtab_off to all symbol table offsets.
1648         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1649         * object.h (class Got_offset_list): Move to top of file.
1650         (Object::Object): Allow case where input_file == NULL.
1651         (Object::~Object): Likewise.
1652         (Object::input_file): Assert that input_file != NULL.
1653         (Object::lock): Allow case where input_file == NULL.
1654         (Object::unlock): Likewise.
1655         (Object::is_locked): Likewise.
1656         (Object::token): Likewise.
1657         (Object::release): Likewise.
1658         (Object::is_incremental): New function.
1659         (Object::get_mtime): New function.
1660         (Object::for_all_local_got_entries): New function.
1661         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1662         (Object::set_is_in_system_directory): New function.
1663         (Object::is_in_system_directory): New function.
1664         (Object::do_is_incremental): New function.
1665         (Object::do_get_mtime): New function.
1666         (Object::do_for_all_local_got_entries): New function.
1667         (Object::is_in_system_directory_): New data member.
1668         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1669         (class Sized_relobj_base): New class.
1670         (class Sized_relobj): Derive from Sized_relobj_base.
1671         (class Sized_relobj::Symbols): Redeclare from base class.
1672         (class Sized_relobj::local_got_offset_list): Remove.
1673         (class Sized_relobj::Output_sections): Redeclare from base class.
1674         (class Sized_relobj::do_for_all_local_got_entries): New function.
1675         (class Sized_relobj::write_local_symbols): Add offset parameter.
1676         (class Sized_relobj::local_symbol_offset_): Update comment.
1677         (class Sized_relobj::local_dynsym_offset_): Update comment.
1678         * options.cc (Input_arguments::add_file): Remove const.
1679         * options.h (Input_file_argument::Input_file_argument):
1680         Initialize arg_serial_ (all constructors).
1681         (Input_file_argument::set_arg_serial): New function.
1682         (Input_file_argument::arg_serial): New function.
1683         (Input_file_argument::arg_serial_): New data member.
1684         (Input_arguments::Input_arguments): Initialize file_count_.
1685         (Input_arguments::add_file): Remove const.
1686         (Input_arguments::number_of_input_files): New function.
1687         (Input_arguments::file_count_): New data member.
1688         (Command_line::number_of_input_files): Call
1689         Input_arguments::number_of_input_files.
1690         * output.cc (Output_segment_headers::Output_segment_headers):
1691         Set current size.
1692         (Output_section::Input_section::current_data_size): New function.
1693         (Output_section::Output_section): Initialize new data members.
1694         (Output_section::add_input_section): Don't do merge sections for
1695         an incremental link; allocate space from free list for an
1696         incremental update.
1697         (Output_section::add_output_section_data): Allocate space from
1698         free list for an incremental update.
1699         (Output_section::update_data_size): New function.
1700         (Output_section::set_fixed_layout): New function.
1701         (Output_section::reserve): New function.
1702         (Output_segment::set_section_addresses): Remove const.
1703         (Output_segment::set_section_list_addresses): Remove const; allocate
1704         space from free list for an incremental update.
1705         (Output_segment::set_offset): Adjust size of RELRO segment for an
1706         incremental update.
1707         * output.h (Output_data::current_data_size): Move here from
1708         child classes.
1709         (Output_data::pre_finalize_data_size): New function.
1710         (Output_data::update_data_size): New function.
1711         (Output_section_headers::update_data_size): new function.
1712         (Output_section_data_build::current_data_size): Move to Output_data.
1713         (Output_data_strtab::update_data_size): New function.
1714         (Output_section::current_data_size): Move to Output_data.
1715         (Output_section::set_fixed_layout): New function.
1716         (Output_section::has_fixed_layout): New function.
1717         (Output_section::reserve): New function.
1718         (Output_section::update_data_size): New function.
1719         (Output_section::has_fixed_layout_): New data member.
1720         (Output_section::free_list_): New data member.
1721         (Output_segment::set_section_addresses): Remove const.
1722         (Output_segment::set_section_list_addresses): Remove const.
1723         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1724         New function.
1725         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1726         New function.
1727         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1728         parameter when calling Add_symbols constructor; store argument
1729         serial number for members of a lib group.
1730         (Add_symbols::locks): Allow case where token == NULL.
1731         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1732         (Read_member::~Read_member): New function.
1733         (Read_member::is_runnable): New function.
1734         (Read_member::locks): New function.
1735         (Read_member::run): New function.
1736         (Check_script::~Check_script): New function.
1737         (Check_script::is_runnable): New function.
1738         (Check_script::locks): New function.
1739         (Check_script::run): New function.
1740         (Check_library::~Check_library): New function.
1741         (Check_library::is_runnable): New function.
1742         (Check_library::locks): New function.
1743         (Check_library::run): New function.
1744         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1745         (Add_symbols::library_): New data member.
1746         (class Read_member): New class.
1747         (class Check_script): New class.
1748         (class Check_library): New class.
1749         * reloc.cc (Read_relocs::is_runnable): Allow case where
1750         token == NULL.
1751         (Read_relocs::locks): Likewise.
1752         (Scan_relocs::locks): Likewise.
1753         (Relocate_task::locks): Likewise.
1754         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1755         to clear counters.
1756         (Sized_relobj::incremental_relocs_scan): Fix comment.
1757         (Sized_relobj::do_relocate): Pass output file offset to
1758         write_local_symbols.
1759         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1760         from class declaration.
1761         * script.cc (read_input_script): Allocate Script_info; pass
1762         argument serial number to report_script.
1763         * script.h (class Script_info): Move to incremental.h.
1764         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1765         * symtab.h (Symbol_table::add_from_incrobj): New function.
1766         (Symbol_table::set_file_offset): New function.
1767
1768 2011-04-05  Cary Coutant  <[email protected]>
1769
1770         * incremental-dump.cc (dump_incremental_inputs): Change signature
1771         to take a Sized_incremental_binary; change caller.  Use readers
1772         in Sized_incremental_binary.
1773         * incremental.cc
1774         (Sized_incremental_binary::find_incremental_inputs_sections):
1775         Rename do_find_incremental_inputs_sections to this.
1776         (Sized_incremental_binary::setup_readers): New function.
1777         (Sized_incremental_binary::do_check_inputs): Check
1778         has_incremental_info_ flag; move setup code to setup_readers;
1779         use input readers.
1780         (Sized_incremental_binary::do_file_is_unchanged): New function.
1781         (Sized_incremental_binary::do_get_input_reader): New function.
1782         * incremental.h (class Incremental_binary): Move to end of file.
1783         (Incremental_binary::file_is_unchanged): New function.
1784         (Incremental_binary::do_file_is_unchanged): New function.
1785         (Incremental_binary::Input_reader): New class.
1786         (Incremental_binary::get_input_reader): New function.
1787         (class Sized_incremental_binary): Move to end of file.
1788         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1789         input section reader classes.
1790         (Sized_incremental_binary::has_incremental_info): New function.
1791         (Sized_incremental_binary::inputs_reader): New function.
1792         (Sized_incremental_binary::symtab_reader): New function.
1793         (Sized_incremental_binary::relocs_reader): New function.
1794         (Sized_incremental_binary::got_plt_reader): New function.
1795         (Sized_incremental_binary::do_file_is_unchanged): New function.
1796         (Sized_incremental_binary::Sized_input_reader): New class.
1797         (Sized_incremental_binary::get_input_reader): New function.
1798         (Sized_incremental_binary::find_incremental_inputs_sections):
1799         Rename do_find_incremental_inputs_sections to this.
1800         (Sized_incremental_binary::setup_readers): New function.
1801         (Sized_incremental_binary::has_incremental_info_): New data member.
1802         (Sized_incremental_binary::inputs_reader_): New data member.
1803         (Sized_incremental_binary::symtab_reader_): New data member.
1804         (Sized_incremental_binary::relocs_reader_): New data member.
1805         (Sized_incremental_binary::got_plt_reader_): New data member.
1806         (Sized_incremental_binary::current_input_file_): New data member.
1807
1808 2011-04-05  Paul Pluzhnikov  <[email protected]>
1809
1810         PR gold/12640
1811         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1812         violation.
1813
1814 2011-03-30  Cary Coutant  <[email protected]>
1815
1816         * archive.cc (Archive::include_member): Adjust call to report_object.
1817         (Add_archive_symbols::run): Add script_info to call to
1818         report_archive_begin.
1819         (Lib_group::include_member): Adjust call to report_object.
1820         (Add_lib_group_symbols::run): Adjust call to report_object.
1821         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1822         blocks.  Add object count for script input files.
1823         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1824         script_info parameter; change all callers.
1825         (Incremental_inputs::report_object): Add script_info parameter;
1826         change all callers.
1827         (Incremental_inputs::report_script): Store backpointer to
1828         incremental info entry.
1829         (Output_section_incremental_inputs::set_final_data_size): Record
1830         additional information for scripts.
1831         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1832         * incremental.h (Incremental_script_entry::add_object): New function.
1833         (Incremental_script_entry::get_object_count): New function.
1834         (Incremental_script_entry::get_object): New function.
1835         (Incremental_script_entry::objects_): New data member; adjust
1836         constructor.
1837         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1838         (Incremental_inputs::report_object): Add script_info parameter.
1839         (Incremental_inputs_reader::get_object_count): New function.
1840         (Incremental_inputs_reader::get_object_offset): New function.
1841         * options.cc (Input_arguments::add_file): Return reference to
1842         new input argument.
1843         * options.h (Input_argument::set_script_info): New function.
1844         (Input_argument::script_info): New function.
1845         (Input_argument::script_info_): New data member; adjust all
1846         constructors.
1847         (Input_file_group::add_file): Return reference to new input argument.
1848         (Input_file_lib::add_file): Likewise.
1849         (Input_arguments::add_file): Likewise.
1850         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1851         * script.cc (Parser_closure::Parser_closure): Add script_info
1852         parameter; adjust all callers.
1853         (Parser_closure::script_info): New function.
1854         (Parser_closure::script_info_): New data member.
1855         (read_input_script): Report scripts earlier to incremental info.
1856         (script_add_file): Set script_info in Input_argument.
1857         (script_add_library): Likewise.
1858         * script.h (Script_options::Script_info): Rewrite class.
1859
1860 2011-03-29  Cary Coutant  <[email protected]>
1861
1862         * archive.cc (Library_base::should_include_member): Move
1863         method here from class Archive.
1864         (Archive::Archive): Initialize base class.
1865         (Archive::should_include_member): Move to base class.
1866         (Archive::do_for_all_unused_symbols): New function.
1867         (Add_archive_symbols::run): Remove redundant access to
1868         incremental_inputs.
1869         (Lib_group::Lib_group): Initialize base class.
1870         (Lib_group::do_filename): New function.
1871         (Lib_group::include_member): Pass pointer to Lib_group to
1872         report_object.
1873         (Lib_group::do_for_all_unused_symbols): New function.
1874         (Add_lib_group_symbols::run): Report archive information for
1875         incremental links.
1876         * archive.h (class Library_base): New base class.
1877         (class Archive): Derive from Library_base.
1878         (Archive::filename): Move to base class.
1879         (Archive::set_incremental_info): Likewise.
1880         (Archive::incremental_info): Likewise.
1881         (Archive::Should_include): Likewise.
1882         (Archive::should_include_member): Likewise.
1883         (Archive::Armap_entry): Remove.
1884         (Archive::Unused_symbol_iterator): Remove.
1885         (Archive::unused_symbols_begin): Remove.
1886         (Archive::unused_symbols_end): Remove.
1887         (Archive::do_filename): New function.
1888         (Archive::do_get_mtime): New function.
1889         (Archive::do_for_all_unused_symbols): New function.
1890         (Archive::task_): Move to base class.
1891         (Archive::incremental_info_): Likewise.
1892         (class Lib_group): Derive from Library_base.
1893         (Lib_group::do_filename): New function.
1894         (Lib_group::do_get_mtime): New function.
1895         (Lib_group::do_for_all_unused_symbols): New function.
1896         (Lib_group::task_): Move to base class.
1897         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1898         function.
1899         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1900         function.
1901         * incremental.cc (Incremental_inputs::report_archive_begin):
1902         Use Library_base; call library's get_mtime; add incremental inputs
1903         entry before members.
1904         (class Unused_symbol_visitor): New class.
1905         (Incremental_inputs::report_archive_end): Use Library_base; use
1906         visitor class to record unused symbols; don't add incremental inputs
1907         entry after members.
1908         (Incremental_inputs::report_object): Use Library_base.
1909         * incremental.h
1910         (Incremental_archive_entry::Incremental_archive_entry): Remove
1911         unused Archive parameter.
1912         (Incremental_inputs::report_archive_begin): Use Library_base.
1913         (Incremental_inputs::report_archive_end): Likewise.
1914         (Incremental_inputs::report_object): Likewise.
1915         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1916         function.
1917         * object.h (Object::for_all_global_symbols): New function.
1918         (Object::do_for_all_global_symbols): New function.
1919         (Sized_relobj::do_for_all_global_symbols): New function.
1920         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1921         function.
1922         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1923         function.
1924
1925 2011-03-27  Ian Lance Taylor  <[email protected]>
1926
1927         * archive.cc (Archive::interpret_header): Return -1 if something
1928         goes wrong.  Change callers accordingly.
1929
1930 2011-03-25  Cary Coutant  <[email protected]>
1931
1932         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1933         * testsuite/Makefile.in: Regenerate.
1934
1935 2010-03-23  Rafael Ávila de Espíndola <[email protected]>
1936
1937         * plugin.cc (get_view): New.
1938         (Plugin::load): Pass get_view to the plugin.
1939         (Plugin_manager::get_view): New.
1940
1941 2011-03-21  Ian Lance Taylor  <[email protected]>
1942
1943         * testsuite/final_layout.sh: Rewrite to not use dc.
1944         * testsuite/relro_test.sh: Fail if dc is not present.
1945
1946 2011-03-21  Sriraman Tallam  <[email protected]>
1947
1948         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1949         Change == to -eq.
1950         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1951         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1952         Change == to -eq.
1953         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1954         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1955
1956 2011-03-14  Ian Lance Taylor  <[email protected]>
1957
1958         * script-sections.cc (Sort_output_sections::script_compare):
1959         Rename from is_before, change return type.
1960         (Sort_output_sections::operator()): Adjust accordingly.
1961
1962 2011-03-11  Jeffrey Yasskin  <[email protected]>
1963
1964         PR gold/12572
1965         * testsuite/odr_violation2.cc: Add comment to make all error line
1966         numbers double digits.
1967         * testsuite/debug_msg.sh: Adjust expected errors.
1968
1969 2011-03-09  Jeffrey Yasskin  <[email protected]>
1970
1971         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1972         but mark earlier ones as non-canonical
1973         (offset_to_iterator): Update search target and example
1974         (do_addr2line): Return extra lines in a vector*
1975         (format_file_lineno): Extract from do_addr2line
1976         (one_addr2line): Add vector* out-param
1977         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1978         when a lineno entry appeared last for its instruction
1979         (Dwarf_line_info): Add vector* out-param
1980         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1981         * symtab.cc (Odr_violation_compare): Include the lineno in the
1982         comparison again.
1983         (linenos_from_loc): New. Combine the canonical line for an
1984         address with its other lines.
1985         (True_if_intersect): New. Helper functor to make
1986         std::set_intersection a query.
1987         (detect_odr_violations): Compare sets of lines instead of just
1988         one line for each function. This became less deterministic, but
1989         has fewer false positives.
1990         * symtab.h: Declarations.
1991         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1992         mix an optimized and non-optimized object in the same binary
1993         (odr_violation2.so): Same.
1994         * testsuite/Makefile.in: Regenerate from Makefile.am.
1995         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1996         * testsuite/debug_msg.sh: Update line numbers and add
1997         assertions.
1998         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1999         non-optimized context.
2000         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2001         isn't inlined, and use OdrDerived in an optimized context.
2002         * testsuite/odr_header1.h: Defines OdrDerived, where
2003         optimization will change the
2004         first-instruction-in-the-destructor's file and line number.
2005         * testsuite/odr_header2.h: Defines OdrBase.
2006
2007 2011-03-09  Ian Lance Taylor  <[email protected]>
2008
2009         * fileread.cc (File_read::clear_views): Don't delete the whole
2010         file view.
2011
2012 2011-03-08  Ian Lance Taylor  <[email protected]>
2013
2014         PR gold/12525
2015         * fileread.cc: #include <climits>.
2016         (GOLD_IOV_MAX): Define.
2017         (File_read::read_multiple): Limit number of entries by iov_max.
2018         * fileread.h (class File_read): Always set max_readv_entries to
2019         128.
2020
2021 2011-03-07  Ian Lance Taylor  <[email protected]>
2022
2023         PR gold/12525
2024         * options.h (class General_options): Add -dy and -dn.
2025
2026 2011-03-02  Cary Coutant  <[email protected]>
2027
2028         * testsuite/script_test_9.t: Add TLS segment.
2029
2030 2011-03-02  Simon Baldwin  <[email protected]>
2031
2032         * configure.ac: Add check for gnu_indirect_function support in
2033         the toolchain building binutils.
2034         * configure: Rebuild.
2035
2036 2010-02-18  Rafael Ávila de Espíndola <[email protected]>
2037
2038         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2039         plugin only symbols.
2040         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2041         in plugin files as not needed in the symbol table.
2042
2043 2011-02-11  Sriraman Tallam  <[email protected]>
2044
2045         * output.cc (Output_section::add_input_section): Delay fill
2046         generation for section ordering.
2047
2048 2011-02-09  Ian Lance Taylor  <[email protected]>
2049
2050         PR gold/12316
2051         * object.h (class Sized_relobj): Remove clear_local_symbols.
2052         * reloc.cc (Sized_relobj::do_relocate): Don't call
2053         clear_local_symbols.
2054
2055 2010-02-08  Rafael Ávila de Espíndola <[email protected]>
2056
2057         * plugin.cc (is_visible_from_outside): Return true for symbols
2058         in the -u option.
2059
2060 2011-02-04  Jeffrey Yasskin  <[email protected]>
2061
2062         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2063         filename.
2064
2065 2011-02-02  Sriraman Tallam  <[email protected]>
2066
2067         * icf.h (is_section_foldable_candidate): Change type of parameter
2068         to std::string.
2069         * icf.cc (Icf::find_identical_sections): Change type of local variable
2070         section_name to be std::string.
2071         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2072
2073 2011-01-25  Ian Lance Taylor  <[email protected]>
2074
2075         * script.cc (script_add_extern): Rewrite to use
2076         add_symbol_reference.
2077
2078 2011-01-25  Doug Kwan  <[email protected]>
2079
2080         * icf.cc (get_section_contents): Always lock section's object.
2081
2082 2011-01-24  Ian Lance Taylor  <[email protected]>
2083
2084         * options.h (class General_options): Accept
2085         --no-detect-odr-violations.
2086
2087 2011-01-24  Ian Lance Taylor  <[email protected]>
2088
2089         * version.cc (version_string): Bump to 1.11.
2090
2091 2011-01-24  Ian Lance Taylor  <[email protected]>
2092
2093         * plugin.cc (class Plugin_rescan): Define new class.
2094         (Plugin_manager::claim_file): Set any_claimed_.
2095         (Plugin_manager::save_archive): New function.
2096         (Plugin_manager::save_input_group): New function.
2097         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2098         necessary.
2099         (Plugin_manager::new_undefined_symbol): New function.
2100         (Plugin_manager::rescan): New function.
2101         (Plugin_manager::rescannable_defines): New function.
2102         (Plugin_manager::add_input_file): Set any_added_.
2103         * plugin.h (class Plugin_manager): define new fields rescannable_,
2104         undefined_symbols_, any_claimed_, and any_added_.  Declare
2105         Plugin_rescan as friend.  Declare new functions.
2106         (Plugin_manager::Rescannable): Define type.
2107         (Plugin_manager::Rescannable_list): Define type.
2108         (Plugin_manager::Undefined_symbol_list): Define type.
2109         (Plugin_manager::Plugin_manager): Initialize new fields.
2110         * archive.cc (Archive::defines_symbol): New function.
2111         (Add_archive_symbols::run): Pass archive to plugins if any.
2112         * archive.h (class Archive): Declare defines_symbol.
2113         * readsyms.cc (Input_group::~Input_group): New function.
2114         (Finish_group::run): Pass input_group to plugins if any.
2115         * readsyms.h (class Input_group): Declare destructor.
2116         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2117         any.
2118
2119 2011-01-10  Ian Lance Taylor  <[email protected]>
2120
2121         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2122         section as relro.
2123         (Layout::set_segment_offsets): Reset increase_relro before calling
2124         set_section_addresses a second time.
2125
2126 2011-01-04  Cary Coutant  <[email protected]>
2127
2128         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2129         sections before NOBITS sections.
2130
2131 2011-01-01  H.J. Lu  <[email protected]>
2132
2133         * version.cc (print_version): Update copyright to 2011.
2134
2135 2010-12-23  Cary Coutant  <[email protected]>
2136
2137         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2138         of OS to this->add.  Add OD parameter to second form of the function.
2139
2140 2010-12-20  Ian Lance Taylor  <[email protected]>
2141
2142         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2143         second of two consecutive entries with same offset.
2144
2145 2010-12-16  Ralf Wildenhues  <[email protected]>
2146
2147         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2148         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2149         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2150         to avoid unneeded links against $(LDADD).
2151         * testsuite/Makefile.in: Regenerate.
2152
2153 2010-12-15  Ian Lance Taylor  <[email protected]>
2154
2155         PR gold/12324
2156         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2157         for R_X86_64_32 and R_X86_64_PC32.
2158         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2159         ver_matching_def_pic.o.
2160         (ver_matching_def_pic.o): New target.
2161
2162 2010-12-14  Ralf Wildenhues  <[email protected]>
2163
2164         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2165         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2166         Move definition before File_read::View member definitions.
2167         (File_read::View::~View): Initialize and hold lock before
2168         updating current_mapped_bytes.
2169
2170 2010-12-14  Ralf Wildenhues  <[email protected]>
2171
2172         * dwarf_reader.cc: Remove outdated comment.
2173         * gold-threads.cc: Fix typo in error message.
2174         * archive.cc: Fix typos in comments.
2175         * archive.h: Likewise.
2176         * arm-reloc-property.cc: Likewise.
2177         * arm-reloc-property.h: Likewise.
2178         * arm-reloc.def: Likewise.
2179         * arm.cc: Likewise.
2180         * attributes.h: Likewise.
2181         * cref.cc: Likewise.
2182         * ehframe.cc: Likewise.
2183         * fileread.h: Likewise.
2184         * gold.h: Likewise.
2185         * i386.cc: Likewise.
2186         * icf.cc: Likewise.
2187         * incremental.h: Likewise.
2188         * int_encoding.cc: Likewise.
2189         * layout.h: Likewise.
2190         * main.cc: Likewise.
2191         * merge.h: Likewise.
2192         * object.cc: Likewise.
2193         * object.h: Likewise.
2194         * options.cc: Likewise.
2195         * readsyms.cc: Likewise.
2196         * reduced_debug_output.cc: Likewise.
2197         * reloc.cc: Likewise.
2198         * script-sections.cc: Likewise.
2199         * sparc.cc: Likewise.
2200         * symtab.h: Likewise.
2201         * target-reloc.h: Likewise.
2202         * target.cc: Likewise.
2203         * target.h: Likewise.
2204         * timer.cc: Likewise.
2205         * timer.h: Likewise.
2206         * x86_64.cc: Likewise.
2207
2208 2010-12-09  Cary Coutant  <[email protected]>
2209
2210         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2211         stack.
2212         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2213         parameter; change all callers.
2214         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2215         * options.h (warn_execstack): New option.
2216
2217 2010-12-07  Doug Kwan  <[email protected]>
2218
2219         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2220         like function call relocations.
2221
2222 2010-12-07  Ian Lance Taylor  <[email protected]>
2223
2224         * archive.cc (Archive::get_elf_object_for_member): Permit
2225         punconfigured to be NULL.
2226         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2227         (Archive::include_member): Pass NULL to get_elf_object_for_member
2228         if we searched for the archive and this is the first included
2229         object.
2230
2231 2010-12-01  Ian Lance Taylor  <[email protected]>
2232
2233         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2234         track_relocs_type_ field.
2235         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2236         Set track_relocs_type_.
2237         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2238         contents when using RELA relocs.
2239         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2240         reloc_map_.
2241         * reloc.cc (Track_relocs::next_addend): New function.
2242         * reloc.h (class Track_relocs): Declare next_addend.
2243
2244 2010-12-01  Ian Lance Taylor  <[email protected]>
2245
2246         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2247         virtual destructor.
2248
2249 2010-12-01  Ian Lance Taylor  <[email protected]>
2250
2251         * README: Update compilers known to work and fail.
2252
2253 2010-11-23  Matthias Klose  <[email protected]>
2254
2255         * configure.in: For --enable-gold, handle value `default' instead of
2256         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2257         not the default.
2258         * configure: Regenerate.
2259
2260 2010-11-18  Doug Kwan  <[email protected]>
2261
2262         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2263         and right_alignment to be zero.  Store result alignment only if it is
2264         greater than existing alignment.
2265
2266 2010-11-16  Cary Coutant  <[email protected]>
2267
2268         PR gold/12220
2269         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2270         Check for ".zdebug_line".
2271
2272 2010-11-16  Doug Kwan  <[email protected]>
2273             Cary Coutant  <[email protected]>
2274
2275         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2276         by reference; adjust all callers.
2277         * output.cc (Output_segment::set_section_addresses): Adjust references
2278         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2279         list is empty.
2280         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2281         end at page boundary.
2282
2283 2010-11-16  Cary Coutant  <[email protected]>
2284
2285         PR gold/12220
2286         * layout.cc (Layout::choose_output_section): Transform names of
2287         compressed sections even when using a script with a SECTIONS clause.
2288         (Layout::output_section_name): Remove code to transform
2289         compressed debug section names.
2290         * output.cc (Output_section::add_input_section): Use uncompressed
2291         section size when tracking input sections.
2292
2293 2010-11-11  Richard Sandiford  <[email protected]>
2294
2295         * symtab.h (Symbol::NON_PIC_REF): Remove.
2296         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2297         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2298         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2299         (Symbol::use_plt_offset): Take a flags argument and pass it
2300         directly to needs_dynamic_reloc.  Restrict check for undefined
2301         weak symbols to function calls.
2302         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2303         (Target_arm::Scan::global): Use it.
2304         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2305         (Target_arm::Relocate::relocate): Likewise.
2306         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2307         parameter with an r_type parameter.  Use get_reference_flags
2308         to get the flags.
2309         (Target_arm::Relocate::relocate): Update accordingly.
2310         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2311         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2312         (Target_i386::Scan::global): Likewise.
2313         (Target_i386::Relocate::relocate): Likewise.
2314         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2315         parameter with an r_type parameter.  Use get_reference_flags
2316         to get the flags.
2317         (Target_i386::Relocate::relocate): Update accordingly.
2318         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2319         (Target_powerpc::Scan::global): Use it.
2320         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2321         (Target_powerpc::Relocate::relocate): Likewise.
2322         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2323         (Target_sparc::Scan::global): Use it.
2324         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2325         (Target_sparc::Relocate::relocate): Likewise.
2326         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2327         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2328         (Target_x86_64::Scan::global): Likewise.
2329         (Target_x86_64::Relocate::relocate): Likewise.
2330
2331 2010-11-08  Doug Kwan  <[email protected]>
2332             Cary Coutant  <[email protected]>
2333
2334         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2335         (Arm_exidx_merge_section::section_contents_): New data member.
2336         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2337         (Arm_input_section::~Arm_input_section): De-allocate memory.
2338         (Arm_input_section::original_contents_): New data member.
2339         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2340         in parameters instead of calling Object::section_contents without
2341         locking.
2342         (Arm_output_section::group_section): New parameter TASK.  Pass it
2343         to callees that need locking objects.
2344         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2345         to lock EXIDX input sections.  Fix a formatting issue.  Call
2346         Arm_exidx_merged_section::build_contents to create merged section
2347         contents.
2348         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2349         to lock object of stub table owner.
2350         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2351         TEXT_SIZE to initialize data member TEXT_SIZE_.
2352         (Arm_exidx_input_section::addralign): Fix typo in comment.
2353         (Arm_exidx_input_section::text_size): New method.
2354         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2355         that require locking objects.  Lock objects before scanning for stubs
2356         and updating local symbols.
2357         (Arm_input_section<big_endian>::init): Copy contents of original
2358         input section.
2359         (Arm_input_section<big_endian>::do_write): Use saved contents of
2360         original input section instead of calling Object::section_contents
2361         without locking.
2362         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2363         size without calling Object::section_size().
2364         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2365         for size.  Allocate a buffer for merged EXIDX entries.
2366         (Arm_exidx_merged_section::build_contents): New method.
2367         (Arm_exidx_merged_section::do_write): Move merge section contents
2368         building code to Arm_exidx_merged_section::build_contetns.  Write
2369         out contetns in buffer instead of building it on the fly.
2370         (Arm_relobj::make_exidx_input_section): Also pass text section size
2371         to Arm_exidx_input_section constructor.
2372         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2373         (Arm_dynobj::do_read_symbols): Fix memory leak.
2374         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2375         * target.h: (class Task): Add forward declaration.
2376         (Target::relax): Add new parameter TASK and pass it to
2377         Target::do_relax().
2378         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2379
2380 2010-11-05  Cary Coutant  <[email protected]>
2381
2382         PR gold/10708
2383         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2384         object when reading from the file.
2385         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2386         second layout pass.
2387         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2388         when reading section contents.
2389         (get_section_contents): Likewise.
2390         (icf::find_identical_sections): Likewise.
2391         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2392         object when reading from the file.
2393         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2394         the object when doing deferred section layout.
2395
2396 2010-11-03  Nick Clifton  <[email protected]>
2397
2398         PR gold/12001
2399         * script.h (class Symbol_assignment: name): New member.  Returns
2400         the name of the symbol.
2401         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2402         Returns true if the given symbol name is on the list of
2403         assignments wating to be processed.
2404         * archive.cc (should_incldue_member): If the symbol is undefined,
2405         check to see if it is on the list of symbols pending assignment.
2406
2407 2010-11-03  Ryan Mansfield  <[email protected]>
2408
2409         * script-sections.cc (Script_sections::find_memory_region): Check
2410         for a NULL output section pointer.
2411
2412 2010-10-29  Doug Kwan  <[email protected]>
2413
2414         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2415         Output_section::add_relaxed_input_section.
2416         * output.cc (Output_section::add_relaxed_input_section): Add new
2417         arguments LAYOUT and NAME.  Set section order index.
2418         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2419         Copy section order index.
2420         * output.h (Output_section::add_relaxed_input_section): Add new
2421         arguments LAYOUT and NAME.
2422
2423 2010-10-29  Viktor Kutuzov  <[email protected]>
2424
2425         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2426         NATIVE_OR_CROSS_LINKER.
2427         * testsuite/Makefile.in: Regenerate.
2428
2429 2010-10-20  Doug Kwan  <[email protected]>
2430
2431         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2432         without SHF_LINK_ORDER flags.
2433         * layout.cc (Layout::choose_output_section): Do not filter
2434         SHF_LINK_ORDER flag in a relocatable link.
2435
2436 2010-10-17  Cary Coutant  <[email protected]>
2437
2438         * output.h (Output_segment::set_section_addresses): Change function
2439         signature.  Update all callers.
2440         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2441         sections.
2442         (Output_segment::set_section_addresses): Align after last TLS
2443         section.  Add padding before last relro section instead of after.
2444
2445 2010-10-17  Doug Kwan  <[email protected]>
2446
2447         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2448         GOT output section to be writable.
2449
2450 2010-10-14  Cary Coutant  <[email protected]>
2451
2452         * debug.h (DEBUG_INCREMENTAL): New flag.
2453         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2454         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2455         mode.
2456         * incremental.cc (report_command_line): Ignore all forms of
2457         --incremental.
2458         * layout.cc (Layout::Layout): Check parameters for incremental link
2459         mode.
2460         * options.cc (General_options::parse_incremental): New function.
2461         (General_options::parse_no_incremental): New function.
2462         (General_options::parse_incremental_full): New function.
2463         (General_options::parse_incremental_update): New function.
2464         (General_options::incremental_mode_): New data member.
2465         (General_options::finalize): Check incremental_mode_.
2466         * options.h (General_options): Update help text for --incremental.
2467         Add --no-incremental, --incremental-full, --incremental-update.
2468         (General_options::Incremental_mode): New enum type.
2469         (General_options::incremental_mode): New function.
2470         (General_options::incremental_mode_): New data member.
2471         * parameters.cc (Parameters::incremental_mode_): New data member.
2472         (Parameters::set_options): Set incremental_mode_.
2473         (Parameters::set_incremental_full): New function.
2474         (Parameters::incremental): New function.
2475         (Parameters::incremental_update): New function.
2476         (set_parameters_incremental_full): New function.
2477         * parameters.h (Parameters::set_incremental_full): New function.
2478         (Parameters::incremental): New function.
2479         (Parameters::incremental_update): New function.
2480         (Parameters::incremental_mode_): New data member.
2481         (set_parameters_incremental_full): New function.
2482         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2483         incremental link mode.
2484         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2485         (Sized_relobj::do_relocate_sections): Likewise.
2486         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2487         option.
2488         * testsuite/Makefile.in: Regenerate.
2489         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2490
2491 2010-10-12  Viktor Kutuzov  <[email protected]>
2492
2493         * script-sections.h (class Script_sections): Make
2494         Sections_elements typedef public.
2495         * script-sections.cc (class Sort_output_sections): Add elements_
2496         field.  Add constructor which sets it; change all callers.
2497         (Sort_output_sections::is_before): New function.
2498         (Sort_output_sections::operator()): Call is_before.
2499         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2500         conditional.
2501         * testsuite/script_test_10.sh: New test. Test script section
2502         order.
2503         * testsuite/script_test_10.t: Likewise.
2504         * testsuite/script_test_10.s: Likewise.
2505         * testsuite/Makefile.am: Wrap the cross linker tests and the
2506         common tests into NATIVE_OR_CROSS_LINKER.
2507         (check_SCRIPTS): Add script_test_10.sh.
2508         (check_DATA): Add script_test_10.stdout.
2509         (script_test_10.o, script_test_10): New targets.
2510         (script_test_10.stdout): New target.
2511         * configure, testsuite/Makefile.in: Regenerate.
2512
2513 2010-10-12  Viktor Kutuzov  <[email protected]>
2514
2515         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2516         error for the deprecated relocations.
2517         (Target_arm::Scan::global): Likewise.
2518         (Target_arm::Relocate::relocate): Likewise.
2519
2520 2010-10-12  Richard Sandiford  <[email protected]>
2521
2522         * fileread.cc (Input_file::find_file): Initialize *found_name
2523         and *namep when using the fallback search for case 4.
2524
2525 2010-10-11  Cary Coutant  <[email protected]>
2526
2527         * options.h (class General_options): Redefine -z lazy as an alias for
2528         the negation of -z now.
2529
2530 2010-10-11  Ian Lance Taylor  <[email protected]>
2531
2532         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2533         binding.
2534
2535 2010-10-06  Nick Clifton  <[email protected]>
2536
2537         * script-sections.cc(class Memory_region): Remove
2538         current_lma_offset_ field.  Rename current_vma_offset_ to
2539         current_offset_.  Add last_section_ field.
2540         (Memory_region::get_current_vma_address): Rename to
2541         get_current_address.
2542         (Memory_region::get_current_lma_address): Delete.
2543         (Memory_region::increment_vma_offset): Rename to
2544         increment_offset.
2545         (Memory_region::increment_lma_offset): Delete.
2546         (Memory_region::attributes_compatible): New method.  Returns
2547         true if the provided section is compatible with the region.
2548         (Memory_region::get_last_section): New method.  Returns the last
2549         section to use the region.
2550         (Memory_region::set_last_section): New method.  Stores the last
2551         section to use the region.
2552         (Script_sections::block_in_region): New method.  Returns true if
2553         a block of memory is contained within a region.
2554         (Script_sections::find_memory_region): New method.  Locates a
2555         memory region to be used to set a VMA or LMA address.
2556         (Output_section_definition::set_section_addresses): Add code to
2557         check for addresses set by memory regions.
2558         (Output_segment::set_section_addresses): Remove memory region
2559         walking code.
2560         (Script_sections::create_segment): Add a warning if a header
2561         segment is created outside of any region.
2562         * script-sections.h (class Script_sections): Add prototypes for
2563         find_memory_region and block_in_region methods.
2564         * testsuite/memory_test.s: Use .long instead of .word.
2565         * testsuite/memory_test.t: Add some more output sections.
2566         * testsuite/memory_test.sh: Update expected output.
2567
2568 2010-10-02  Doug Kwan  <[email protected]>
2569
2570         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2571         defintion to symtab.h
2572         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2573         declaration to defintion.
2574
2575 2010-10-01  Nick Clifton  <[email protected]>
2576
2577         * expression.cc (eval): Replace dummy argument with NULL.
2578         (eval_maybe_dot): Check for a NULL result section pointer.
2579         (Symbol_expression::value): Likewise.
2580         (Dot_expression::value): Likewise.
2581         (BINARY_EXPRESSION): Likewise.
2582         (Max_expression::value): Likewise.
2583         (Min_expression::value): Likewise.
2584         (Absolute_expression::value): Likewise.
2585         (Addr_expression::value_from_output_section): Likewise.
2586         (Loaddddr_expression::value_from_output_section): Likewise.
2587         (Segment_start_expression::value): Likewise.
2588         * script-sections.cc
2589         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2590         argument with NULL.
2591         (Sections_elememt_dot_assignment::set_section_addresses):
2592         Likewise.
2593         (Output_data_expression::do_write_to_buffer): Likewise.
2594         (Output_section_definition::finalize_symbols): Likewise.
2595         (Output_section_definition::set_section_addresses): Likewise.
2596
2597 2010-09-30  Doug Kwan  <[email protected]>
2598
2599         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2600
2601 2010-09-28  Sriraman Tallam  <[email protected]>
2602
2603         * target.h (Target::can_icf_inline_merge_sections): New virtual
2604         function.
2605         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2606         virtual function.
2607         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2608         virtual function.
2609         * icf.cc (get_section_contents): Inline merge sections only when
2610         target allows it.
2611
2612 2010-09-27  Ralf Wildenhues  <[email protected]>
2613
2614         * configure: Regenerate.
2615
2616 2010-09-17  Ian Lance Taylor  <[email protected]>
2617
2618         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2619         * testsuite/Makefile.am (memory_test.o): New target.
2620         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2621         memory_test.t.
2622         * testsuite/Makefile.in: Rebuild.
2623
2624 2010-09-17  Doug Kwan  <[email protected]>
2625
2626         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2627         defintion if relocation uses GOT entries of the symbol.
2628         * testsuite/icf_safe_test.sh: Fix test.
2629         * testsuite/icf_safe_so_test.sh: Fix test.
2630
2631 2010-09-16  Cary Coutant  <[email protected]>
2632
2633         * script_sections.cc (class Memory_region): Remove "NULL" from
2634         vector initializations.
2635
2636 2010-09-15  Cary Coutant  <[email protected]>
2637
2638         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2639         Resolve forwarding symbols.
2640
2641 2010-09-15  Doug Kwan  <[email protected]>
2642
2643         * gold/testsuite/script_test_3.t: Add ARM special sections.
2644         * gold/testsuite/script_test_4.t: Same.
2645         * gold/testsuite/script_test_5.t: Same.
2646         * gold/testsuite/script_test_6.t: Same.
2647         * gold/testsuite/script_test_7.t: Same.
2648         * gold/testsuite/script_test_7.t: Same.
2649         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2650
2651 2010-09-14  Cary Coutant  <[email protected]>
2652
2653         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2654         (Target_x86_64::Relocate::relocate_tls): Replace check for
2655         saw_tls_block_reloc_ with test for executable section.
2656
2657 2010-09-12  Cary Coutant  <[email protected]>
2658
2659         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2660         position-independent executables to shared libraries need dynamic
2661         relocations.
2662         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2663         position-independent executables.
2664         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2665         * testsuite/Makefile.in: Regenerate.
2666
2667 2010-09-10  Nick Clifton  <[email protected]>
2668
2669         PR gold/11997
2670         * testsuite/memory_test.t: Discard any sections that are not
2671         needed.
2672
2673 2010-09-09  H.J. Lu  <[email protected]>
2674
2675         PR gold/11996
2676         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2677         "This::" to work around a bug in gcc 4.2.
2678
2679         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2680
2681 2010-09-09  Rafael Espindola  <[email protected]>
2682
2683         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2684         sections with different PF_X flags in the same segment.
2685         (Layout::find_first_load_seg): Search all segments to find the first
2686         one.
2687         * options.h (rosegment): New.
2688
2689 2010-09-08  Rafael Espindola  <[email protected]>
2690
2691         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2692
2693 2010-09-08  Doug Kwan  <[email protected]>
2694
2695         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2696         (Arm_relobj::do_relocate_sections): Add new parameter for output
2697         file to match the parent.
2698         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2699         of local symbols instead of input values.  Update code to track
2700         changes in gold::relocate_section.
2701         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2702         (Sized_relobj::compute_final_local_value_internal): New methods.
2703         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2704         body into private version of Sized_relobj::compute_final_local_value.
2705         Call the inline method.
2706         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2707         merged symbol value if there is one.
2708         (Symbol_value::has_output_value): New method defintiion.
2709         (Sized_relobj::Compute_final_local_value_status): New enum type.
2710         (Sized_relobj::compute_final_local_value): New methods.
2711         (Sized_relobj::compute_final_local_value_internal): New methods.
2712         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2713         and arm_cortex_a8.sh.
2714         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2715         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2716         New tests.
2717         * Makefile.in: Regenerate.
2718         * testsuite/arm_bl_out_of_range.s: Update test.
2719         * testsuite/thumb_bl_out_of_range.s: Ditto.
2720         * testsuite/thumb_blx_out_of_range.s: Ditto.
2721         * testsuite/arm_branch_out_of_range.sh: New file.
2722         * testsuite/arm_cortex_a8.sh: Ditto.
2723         * testsuite/arm_cortex_a8_b.s: Ditto.
2724         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2725         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2726         * testsuite/arm_cortex_a8_bl.s: Ditto.
2727         * testsuite/arm_cortex_a8_blx.s: Ditto.
2728         * testsuite/arm_cortex_a8_local.s: Ditto.
2729         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2730         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2731
2732 2010-09-08  Rafael Espindola  <[email protected]>
2733
2734         * Makefile.am (memory_test.stdout): Run readelf with -W.
2735         * Makefile.in: Regenerate.
2736         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2737         64 bit output.
2738
2739 2010-09-08  Rafael Espindola  <[email protected]>
2740
2741         * script-sections.cc (Script_sections::add_memory_region): Convert
2742         field precision to int.
2743         * script.cc (script_set_section_region, script_set_section_region):
2744         Convert field precision to int.
2745
2746 2010-09-08  Rafael Espindola  <[email protected]>
2747
2748         * arm.cc (do_finalize_sections): Create the __exidx_start and
2749         __exdix_end symbols even when the section is missing.
2750
2751 2010-09-08  Nick Clifton  <[email protected]>
2752
2753         * README: Remove claim that MEMORY is not supported.
2754         * expression.cc (script_exp_function_origin)
2755         (script_exp_function_length): Move from here to ...
2756         * script.cc: ... here.
2757         (script_set_section_region, script_add_memory)
2758         (script_parse_memory_attr, script_include_directive): New
2759         functions.
2760         * script-sections.cc
2761         (class Memory_region): New class.
2762         (class Output_section_definition): Add set_memory_region,
2763         set_section_vma, set_section_lma and get_section_name methods.
2764         (class Script_Sections): Add add_memory_region,
2765         find_memory_region, find_memory_region_origin,
2766         find_memory_region_length and set_memory_region methods.
2767         Have set_section_addresses method walk the list of set memory
2768         regions.
2769         Extend the print methos to display memory regions.
2770         * script-sections.h: Add prototypes for new methods.
2771         Add enum for MEMORY region attributes.
2772         * yyscript.y: Add support for parsing MEMORY regions.
2773         * script-c.h: Add prototypes for new functions.
2774         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2775         * testsuite/Makefile.in: Regenerate.
2776         * testsuite/memory_test.sh: New script.
2777         * testsuite/memory_test.s: New assembler source file.
2778         * testsuite/memory_test.t: New linker script.
2779
2780 2010-08-27  Doug Kwan  <[email protected]>
2781
2782         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2783         reference override an existing dynamic weak reference.
2784         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2785         * testsuite/Makefile.in: Regenerate.
2786         * testsuite/dyn_weak_ref.sh: New file.
2787         * testsuite/dyn_weak_ref_1.c: Ditto.
2788         * testsuite/dyn_weak_ref_2.c: Ditto.
2789
2790 2010-08-27  Ian Lance Taylor  <[email protected]>
2791
2792         * incremental.h (class Incremental_input_entry): Add virtual
2793         destructor.
2794
2795 2010-08-27  Ian Lance Taylor  <[email protected]>
2796
2797         * testsuite/start_lib_test_3.c: Mark t3 as used.
2798
2799 2010-08-27  Nick Clifton  <[email protected]>
2800
2801         * options.cc (version_script): Fix small typo in previous
2802         whitespace tidyup.
2803
2804 2010-08-25  Nick Clifton  <[email protected]>
2805
2806         * archive.cc: Formatting fixes: Remove whitespace between
2807         typename and following asterisk.  Remove whitespace between
2808         function name and opening parenthesis.
2809         * archive.h: Likewise.
2810         * arm.cc: Likewise.
2811         * attributes.cc: Likewise.
2812         * attributes.h: Likewise.
2813         * common.cc: Likewise.
2814         * copy-relocs.cc: Likewise.
2815         * dirsearch.h: Likewise.
2816         * dynobj.cc: Likewise.
2817         * ehframe.cc: Likewise.
2818         * ehframe.h: Likewise.
2819         * expression.cc: Likewise.
2820         * fileread.cc: Likewise.
2821         * fileread.h: Likewise.
2822         * gc.h: Likewise.
2823         * gold-threads.cc: Likewise.
2824         * gold.cc: Likewise.
2825         * i386.cc: Likewise.
2826         * icf.h: Likewise.
2827         * incremental-dump.cc: Likewise.
2828         * incremental.cc: Likewise.
2829         * layout.cc: Likewise.
2830         * layout.h: Likewise.
2831         * main.cc: Likewise.
2832         * merge.cc: Likewise.
2833         * merge.h: Likewise.
2834         * object.cc: Likewise.
2835         * object.h: Likewise.
2836         * options.cc: Likewise.
2837         * options.h: Likewise.
2838         * output.cc: Likewise.
2839         * output.h: Likewise.
2840         * plugin.cc: Likewise.
2841         * plugin.h: Likewise.
2842         * powerpc.cc: Likewise.
2843         * reloc.cc: Likewise.
2844         * script-c.h: Likewise.
2845         * script-sections.cc: Likewise.
2846         * script.cc: Likewise.
2847         * stringpool.cc: Likewise.
2848         * symtab.cc: Likewise.
2849         * symtab.h: Likewise.
2850         * target.cc: Likewise.
2851         * timer.cc: Likewise.
2852         * timer.h: Likewise.
2853         * version.cc: Likewise.
2854         * x86_64.cc: Likewise.
2855
2856 2010-08-24  Nick Clifton  <[email protected]>
2857
2858         PR 11899
2859         * layout.cc (segment_precedes): Sort segments by their physical
2860         addresses, if they have been set.
2861
2862 2010-08-23  Cary Coutant  <[email protected]>
2863
2864         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2865         symbols data.
2866         (Lib_group::include_member): Unlock object after deleting its
2867         symbols data.
2868         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2869         the bug fixed here.
2870
2871 2010-08-19  Neil Vachharajani  <[email protected]>
2872             Cary Coutant  <[email protected]>
2873
2874         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2875         constructor, and set_blocker.
2876         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2877         readsyms_blocker_.
2878         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2879         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2880         * testsuite/Makefile.am (start_lib_test): New test case.
2881         * testsuite/Makefile.in: Regenerate.
2882         * testsuite/start_lib_test_main.c: New file.
2883         * testsuite/start_lib_test_1.c: New file.
2884         * testsuite/start_lib_test_2.c: New file.
2885         * testsuite/start_lib_test_3.c: New file.
2886
2887 2010-08-19  Ian Lance Taylor  <[email protected]>
2888
2889         * Makefile.in: Rebuild with automake 1.11.1.
2890         * aclocal.m4: Likewise.
2891         * testsuite/Makefile.in: Likewise.
2892
2893 2010-08-19  Ian Lance Taylor  <[email protected]>
2894
2895         PR 10893
2896         * i386.cc (class Output_data_plt_i386): Update declarations.
2897         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2898         local_ifuncs_ fields.
2899         (Target_i386::do_plt_section_for_global): New function.
2900         (Target_i386::do_plt_section_for_local): New function.
2901         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2902         parameter; change all callers.  Initialize global_ifuncs_ and
2903         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2904         __rel_iplt_end.
2905         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2906         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2907         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2908         symbols.
2909         (Target_i386::make_plt_section): New function, broken out of
2910         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2911         (Target_i386::make_plt_entry): Call make_plt_section.
2912         (Target_i386::make_local_ifunc_plt_entry): New function.
2913         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2914         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2915         R_386_IRELATIVE to switch.
2916         (Target_i386::Scan::global): Likewise.
2917         (Target_i386::Relocate::relocate): Likewise.
2918         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2919         switch.
2920         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2921         (Target_x86_64::do_plt_section_for_global): New function.
2922         (Target_x86_64::do_plt_section_for_local): New function.
2923         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2924         parameter; change all callers.  If doing a static link define
2925         __rela_iplt_start and __rela_iplt_end.
2926         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2927         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2928         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2929         to point to .plt.
2930         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2931         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2932         switch.
2933         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2934         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2935         R_X86_64_IRELATIVE to switch.
2936         (Target_x86_64::Scan::global): Likewise.
2937         (Target_x86_64::Relocate::relocate): Likewise.
2938         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2939         switch.
2940         * target.h (class Target): Add plt_section_for_global and
2941         plt_section_for_local functions.  Add do_plt_section_for_global
2942         and do_plt_section_for_local virtual functions.
2943         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2944         clarifying comments.
2945         (Symbol::use_plt_offset): Handle IFUNC symbol.
2946         * object.cc (Sized_relobj::Sized_relobj): Initialize
2947         local_plt_offsets_.
2948         (Sized_relobj::local_has_plt_offset): New function.
2949         (Sized_relobj::local_plt_offset): New function.
2950         (Sized_relobj::set_local_plt_offset): New function.
2951         (Sized_relobj::do_count): Handle IFUNC symbol.
2952         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2953         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2954         is_ifunc_symbol functions.
2955         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2956         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2957         local_plt_offsets_ field.
2958         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2959         * output.h (class Output_section_data): Add non-const
2960         output_section function.
2961         (class Output_data_got): Update declarations.
2962         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2963         Add use_plt_offset parameter to global and local constructors.
2964         Change all callers.  Change local_sym_index_ field to 31 bits.
2965         Change GSYM_CODE and CONSTANT_CODE accordingly.
2966         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2967         doing a static link don't set sh_link field.
2968         (Output_data_got::Got_entry::write): Use PLT offset if
2969         appropriate.
2970         (Output_data_got::add_global_plt): New function.
2971         (Output_data_got::add_local_plt): New function.
2972         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2973         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2974         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2975         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2976         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2977         IFUNC conditional.
2978         * testsuite/ifunc-sel.h: New file.
2979         * testsuite/ifuncmain1.c: New file.
2980         * testsuite/ifuncmain1vis.c: New file.
2981         * testsuite/ifuncmod1.c: New file.
2982         * testsuite/ifuncdep2.c: New file.
2983         * testsuite/ifuncmain2.c: New file.
2984         * testsuite/ifuncmain3.c: New file.
2985         * testsuite/ifuncmod3.c: New file.
2986         * testsuite/ifuncmain4.c: New file.
2987         * testsuite/ifuncmain5.c: New file.
2988         * testsuite/ifuncmod5.c: New file.
2989         * testsuite/ifuncmain6pie.c: New file.
2990         * testsuite/ifuncmod6.c: New file.
2991         * testsuite/ifuncmain7.c: New file.
2992         * configure, testsuite/Makefile.in: Rebuild.
2993
2994 2010-08-18  Ian Lance Taylor  <[email protected]>
2995
2996         * incremental.cc
2997         (Output_section_incremental_inputs::write_input_files): Add cast
2998         to avoid signed/unsigned comparison warning.
2999         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3000
3001 2010-08-12  Cary Coutant  <[email protected]>
3002
3003         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3004
3005 2010-08-13  Ian Lance Taylor  <[email protected]>
3006
3007         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3008
3009 2010-08-12  Cary Coutant  <[email protected]>
3010             Doug Kwan  <[email protected]>
3011
3012         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3013         defintion overrides non-weak undef, remember that the original undef
3014         is not weak.
3015         * symtab.cc (Symbol_table::sized_write_global): For undef without
3016         an original weak binding, set binding to global in output.
3017         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3018         * testsuite/Makefile.in: Regenerate.
3019         * testsuite/strong_ref_weak_def.sh: New file.
3020         * testsuite/strong_ref_weak_def_1.c: Ditto.
3021         * testsuite/strong_ref_weak_def_2.c: Ditto.
3022
3023 2010-08-12  Cary Coutant  <[email protected]>
3024
3025         * testsuite/incremental_test.sh: Rewrite.
3026         * testsuite/incremental_test_1.c: Rewrite.
3027         * testsuite/incremental_test_2.c: Rewrite.
3028
3029 2010-08-12  Cary Coutant  <[email protected]>
3030
3031         * arm.cc (Target_arm::got_size): Add const.
3032         (Target_arm::got_entry_count): New function.
3033         (Target_arm::plt_entry_count): New function.
3034         (Target_arm::first_plt_entry_offset): New function.
3035         (Target_arm::plt_entry_size): New function.
3036         (Output_data_plt_arm::entry_count): New function.
3037         (Output_data_plt_arm::first_plt_entry_offset): New function.
3038         (Output_data_plt_arm::get_plt_entry_size): New function.
3039         * i386.cc (Target_i386::got_size): Add const.
3040         (Target_i386::got_entry_count): New function.
3041         (Target_i386::plt_entry_count): New function.
3042         (Target_i386::first_plt_entry_offset): New function.
3043         (Target_i386::plt_entry_size): New function.
3044         (Output_data_plt_i386::entry_count): New function.
3045         (Output_data_plt_i386::first_plt_entry_offset): New function.
3046         (Output_data_plt_i386::get_plt_entry_size): New function.
3047         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3048         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3049         * incremental.cc: Include target.h.
3050         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3051         parameter.  Adjust all callers.  Find incremental_got_plt section.
3052         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3053         section.
3054         (Output_section_incremental_inputs::set_final_data_size): Calculate
3055         size of incremental_got_plt section.
3056         (Output_section_incremental_inputs::do_write): Write the
3057         incremental_got_plt section.
3058         (Got_plt_view_info): New struct.
3059         (Local_got_offset_visitor): New class.
3060         (Global_got_offset_visitor): New class.
3061         (Global_symbol_visitor_got_plt): New class.
3062         (Output_section_incremental_inputs::write_got_plt): New function.
3063         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3064         Add parameter.  Adjust all callers.
3065         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3066         (Incremental_inputs::got_plt_section): New function.
3067         (Incremental_inputs::got_plt_section_): New data member.
3068         (Incremental_got_plt_reader): New class.
3069         * layout.cc (Layout::create_incremental_info_sections): Add the
3070         incremental_got_plt section.
3071         * object.h (Got_offset_list::get_list): New function.
3072         (Got offset_list::for_all_got_offsets): New function.
3073         (Sized_relobj::local_got_offset_list): New function.
3074         * powerpc.cc (Target_powerpc::got_size): Add const.
3075         (Target_powerpc::got_entry_count): New function.
3076         (Target_powerpc::plt_entry_count): New function.
3077         (Target_powerpc::first_plt_entry_offset): New function.
3078         (Target_powerpc::plt_entry_size): New function.
3079         (Output_data_plt_powerpc::entry_count): New function.
3080         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3081         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3082         * sparc.cc (Target_sparc::got_size): Add const.
3083         (Target_sparc::got_entry_count): New function.
3084         (Target_sparc::plt_entry_count): New function.
3085         (Target_sparc::first_plt_entry_offset): New function.
3086         (Target_sparc::plt_entry_size): New function.
3087         (Output_data_plt_sparc::entry_count): New function.
3088         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3089         (Output_data_plt_sparc::get_plt_entry_size): New function.
3090         * symtab.h (Symbol::got_offset_list): New function.
3091         (Symbol_table::for_all_symbols): New function.
3092         * target.h (Sized_target::got_entry_count): New function.
3093         (Sized_target::plt_entry_count): New function.
3094         (Sized_target::plt_entry_size): New function.
3095         * x86_64.cc (Target_x86_64::got_size): Add const.
3096         (Target_x86_64::got_entry_count): New function.
3097         (Target_x86_64::plt_entry_count): New function.
3098         (Target_x86_64::first_plt_entry_offset): New function.
3099         (Target_x86_64::plt_entry_size): New function.
3100         (Output_data_plt_x86_64::entry_count): New function.
3101         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3102         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3103
3104 2010-08-12  Cary Coutant  <[email protected]>
3105
3106         * archive.cc: Include incremental.h.
3107         (Archive::Archive): Initialize incremental_info_.
3108         (Archive::include_member): Record archive members in incremental info.
3109         (Add_archive_symbols::run): Record begin and end of an archive in
3110         incremental info.
3111         (Lib_group::include_member): Record objects in incremental info.
3112         * archive.h (Incremental_archive_entry): Forward declaration.
3113         (Archive::set_incremental_info): New member function.
3114         (Archive::incremental_info): New member function.
3115         (Archive::Unused_symbol_iterator): New class.
3116         (Archive::unused_symbols_begin): New member function.
3117         (Archive::unused_symbols_end): New member function.
3118         (Archive::incremental_info_): New data member.
3119         * incremental-dump.cc (find_input_containing_global): New function.
3120         (dump_incremental_inputs): Dump new incremental info sections.
3121         * incremental.cc: Include symtab.h.
3122         (Output_section_incremental_inputs): New class.
3123         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3124         new incremental info sections.
3125         (Sized_incremental_binary::do_check_inputs): Likewise.
3126         (Incremental_inputs::report_archive): Remove.
3127         (Incremental_inputs::report_archive_begin): New function.
3128         (Incremental_inputs::report_archive_end): New function.
3129         (Incremental_inputs::report_object): New function.
3130         (Incremental_inputs::finalize_inputs): Remove.
3131         (Incremental_inputs::report_input_section): New function.
3132         (Incremental_inputs::report_script): Rewrite.
3133         (Incremental_inputs::finalize): Do nothing but finalize string table.
3134         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3135         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3136         (Incremental_inputs::create_data_sections): New function.
3137         (Incremental_inputs::relocs_entsize): New function.
3138         (Output_section_incremental_inputs::set_final_data_size): New function.
3139         (Output_section_incremental_inputs::do_write): New function.
3140         (Output_section_incremental_inputs::write_header): New function.
3141         (Output_section_incremental_inputs::write_input_files): New function.
3142         (Output_section_incremental_inputs::write_info_blocks): New function.
3143         (Output_section_incremental_inputs::write_symtab): New function.
3144         * incremental.h (Incremental_script_entry): Forward declaration.
3145         (Incremental_object_entry): Forward declaration.
3146         (Incremental_archive_entry): Forward declaration.
3147         (Incremental_inputs): Forward declaration.
3148         (Incremental_inputs_header_data): Remove.
3149         (Incremental_inputs_header): Remove.
3150         (Incremental_inputs_header_write): Remove.
3151         (Incremental_inputs_entry_data): Remove.
3152         (Incremental_inputs_entry): Remove.
3153         (Incremental_inputs_entry_write): Remove.
3154         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3155         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3156         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3157         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3158         Likewise.
3159         (Incremental_input_entry): New class.
3160         (Incremental_script_entry): New class.
3161         (Incremental_object_entry): New class.
3162         (Incremental_archive_entry): New class.
3163         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3164         (Incremental_inputs::report_inputs): Remove.
3165         (Incremental_inputs::report_archive): Remove.
3166         (Incremental_inputs::report_archive_begin): New function.
3167         (Incremental_inputs::report_archive_end): New function.
3168         (Incremental_inputs::report_object): Change prototype.
3169         (Incremental_inputs::report_input_section): New function.
3170         (Incremental_inputs::report_script): Change prototype.
3171         (Incremental_inputs::get_reloc_count): New function.
3172         (Incremental_inputs::set_reloc_count): New function.
3173         (Incremental_inputs::create_data_sections): New function.
3174         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3175         (Incremental_inputs::inputs_section): New function.
3176         (Incremental_inputs::symtab_section): New function.
3177         (Incremental_inputs::relocs_section): New function.
3178         (Incremental_inputs::get_stringpool): Add const.
3179         (Incremental_inputs::command_line): Add const.
3180         (Incremental_inputs::inputs): Remove.
3181         (Incremental_inputs::command_line_key): New function.
3182         (Incremental_inputs::input_file_count): New function.
3183         (Incremental_inputs::input_files): New function.
3184         (Incremental_inputs::relocs_entsize): New function.
3185         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3186         (Incremental_inputs::finalize_inputs): Remove.
3187         (Incremental_inputs::Input_info): Remove.
3188         (Incremental_inputs::lock_): Remove.
3189         (Incremental_inputs::inputs_): Change type.
3190         (Incremental_inputs::inputs_map_): Remove.
3191         (Incremental_inputs::current_object_entry_): New data member.
3192         (Incremental_inputs::inputs_section_): New data member.
3193         (Incremental_inputs::symtab_section_): New data member.
3194         (Incremental_inputs::relocs_section_): New data member.
3195         (Incremental_inputs::reloc_count_): New data member.
3196         (Incremental_inputs_reader): New class.
3197         (Incremental_symtab_reader): New class.
3198         (Incremental_relocs_reader): New class.
3199         * layout.cc (Layout::finalize): Move finalization of incremental info
3200         and creation of incremental info sections to follow finalization of
3201         symbol table.  Set offsets for postprocessing sections.
3202         (Layout::create_incremental_info_sections): Call
3203         Incremental_inputs::create_data_sections.  Add incremental symtab
3204         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3205         sections to layout after input sections.
3206         * layout.h (struct Timespec): Forward declaration.
3207         (Layout::incremental_inputs): Add const.
3208         (Layout::create_incremental_info_sections): Add parameter.
3209         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3210         * object.cc: Include incremental.h.
3211         (Relobj::finalize_incremental_relocs): New function.
3212         (Sized_relobj::do_layout): Record input sections in incremental info.
3213         * object.h (Object::output_section): New function.
3214         (Object::output_section_offset): Moved from Relobj.
3215         (Object::get_incremental_reloc_base): New function.
3216         (Object::get_incremental_reloc_count): New function.
3217         (Object::do_output_section): New function.
3218         (Object::do_output_section_offset): Moved from Relobj.
3219         (Object::do_get_incremental_reloc_base): New function.
3220         (Object::do_get_incremental_reloc_count): New function.
3221         (Object::Object): Initialize new data members.
3222         (Relobj::output_section): Renamed do_output_section and moved to
3223         protected.
3224         (Relobj::output_section_offset): Moved to Object.
3225         (Relobj::do_get_incremental_reloc_base): New function.
3226         (Relobj::do_get_incremental_reloc_count): New function.
3227         (Relobj::allocate_incremental_reloc_counts): New function.
3228         (Relobj::count_incremental_reloc): New function.
3229         (Relobj::finalize_incremental_relocs): New function.
3230         (Relobj::next_incremental_reloc_index): New function.
3231         (Relobj::reloc_counts_): New data member.
3232         (Relobj::reloc_bases_): New data member.
3233         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3234         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3235         (Sized_relobj::incremental_relocs_scan): New function.
3236         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3237         (Sized_relobj::incremental_relocs_write): New function.
3238         (Sized_relobj::incremental_relocs_write_reltype): New function.
3239         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3240         incremental link.
3241         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3242         archives and object files elsewhere.
3243         (Add_symbols::run): Report object files here.
3244         (Finish_group::run): Report end of archive at end of group.
3245         * reloc.cc: Include layout.h, incremental.h.
3246         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3247         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3248         (Sized_relobj::incremental_relocs_scan): New function.
3249         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3250         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3251         (Sized_relobj::incremental_relocs_write): New function.
3252         (Sized_relobj::incremental_relocs_write_reltype): New function.
3253         * script.cc (read_input_script): Rewrite test for incremental link.
3254         Change call to Incremental_inputs::report_script.
3255         * symtab.h (Symbol_table::first_global_index): New function.
3256         (Symbol_table::output_count): New function.
3257
3258 2010-08-12  Doug Kwan  <[email protected]>
3259
3260         * arm.cc (Target_arm::merge_object_attributes): Check command line
3261         options --no-wchar-size-warning and --no-enum-size-warning.
3262         * options.h (General_options): Add ld-compatible options
3263         --no-enum-size-warning and --no-wchar-size-warning.
3264
3265 2010-08-04  Ian Lance Taylor  <[email protected]>
3266
3267         * x86_64.cc (Target_x86_64::Scan::local): Use
3268         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3269         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3270         (Target_x86_64::Scan::global): Likewise.
3271         (Target_x86_64::Relocate::relocate): Likewise.
3272         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3273         Likewise.
3274
3275 2010-08-03  Cary Coutant  <[email protected]>
3276
3277         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3278         to reserve space in merged_strings vector. Keep total input size
3279         for stats.
3280         (Output_merge_string::do_print_merge_stats): Print total input size.
3281         * merge.h (Output_merge_string): Add input_size_ field.
3282         * stringpool.cc (Stringpool_template::string_length): Move
3283         implementations out of Stringpool_template class and place in
3284         stringpool.h.
3285         * stringpool.h (string_length): Move out of Stringpool_template.
3286
3287 2010-08-03  Ian Lance Taylor  <[email protected]>
3288
3289         PR 11712
3290         * layout.cc (relaxation_loop_body): If address of load segment is
3291         set, adjust address to include headers if possible.
3292
3293 2010-08-03  Ian Lance Taylor  <[email protected]>
3294
3295         * version.cc (version_string): Bump to 1.10.
3296
3297 2010-08-03  Ian Lance Taylor  <[email protected]>
3298
3299         PR 11805
3300         * layout.h (enum Output_section_order): Define.
3301         (class Layout): Update declarations.
3302         * layout.cc (Layout::get_output_section): Add order parameter.
3303         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3304         is_first_non_relro parameters.  Change all callers.
3305         (Layout::choose_output_section): Likewise.
3306         (Layout::add_output_section_data): Likewise.
3307         (Layout::make_output_section): Likewise.  Set order.
3308         (Layout::default_section_order): New function.
3309         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3310         * output.cc (Output_section::Output_section): Initialize order_.
3311         Don't initialize deleted fields.
3312         (Output_segment::Output_segment): Don't initialize deleted
3313         fields.
3314         (Output_segment::add_output_section_to_load): New function
3315         replacing add_output_section.  Change all callers to call this or
3316         add_output_section_to_nonload.
3317         (Output_segment::add_output_section_to_nonload): New function.
3318         (Output_segment::remove_output_section): Rewrite.
3319         (Output_segment::add_initial_output_data): Likewise.
3320         (Output_segment::has_any_data_sections): Likewise.
3321         (Output_segment::is_first_section_relro): Likewise.
3322         (Output_segment::maximum_alignment): Likewise.
3323         (Output_segment::has_dynamic_reloc): New function replacing
3324         dynamic_reloc_count.  Change all callers.
3325         (Output_segment::has_dynamic_reloc_list): New function replacing
3326         dynamic_reloc_count_list.  Change all callers.
3327         (Output_segment::set_section_addresses): Rewrite.
3328         (Output_segment::set_offset): Rewrite.
3329         (Output_segment::find_first_and_last_list): Remove.
3330         (Output_segment::set_tls_offsets): Rewrite.
3331         (Output_segment::first_section_load_address): Likewise.
3332         (Output_segment::output_section_count): Likewise.
3333         (Output_segment::section_with_lowest_load_address): Likewise.
3334         (Output_segment::write_section_headers): Likewise.
3335         (Output_segment::print_sections_to_map): Likewise.
3336         * output.h (class Output_data): Remove dynamic_reloc_count_
3337         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3338         (Output_data::add_dynamic_reloc): Rewrite.
3339         (Output_data::has_dynamic_reloc): New function.
3340         (Output_data::dynamic_reloc_count): Remove.
3341         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3342         is_last_relro_, is_first_non_relro_, is_interp_,
3343         is_dynamic_linker_section_ fields.  Add order and set_order
3344         functions.  Remove is_relro_local, set_is_relro_local,
3345         is_last_relro, set_is_last_relro, is_first_non_relro,
3346         set_is_first_non_relro functions, is_interp, set_is_interp,
3347         is_dynamic_linker_section, and set_is_dynamic_linker_section
3348         functions.
3349         (class Output_segment): Change Output_data_list from std::list to
3350         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3351         output_bss_ fields.  Update declarations.
3352
3353 2010-08-02  Ian Lance Taylor  <[email protected]>
3354
3355         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3356         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3357         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3358
3359 2010-08-02  Ian Lance Taylor  <[email protected]>
3360
3361         PR 11855
3362         * script.cc (Script_options::Script_options): Initialize
3363         symbol_definitions_ and symbol_references_.
3364         (Script_options::add_symbol_assignment): Update
3365         symbol_definitions_ and symbol_references_.
3366         (Script_options::add_symbol_reference): New function.
3367         (script_symbol): New function.
3368         * script.h (class Script_options): Add symbol_definitions_ and
3369         symbol_references_ fields.
3370         (Script_options::referenced_const_iterator): New type.
3371         (Script_options::referenced_begin): New function.
3372         (Script_options::referenced_end): New function.
3373         (Script_options::is_referenced): New function.
3374         (Script_options::any_unreferenced): New function.
3375         * script-c.h (script_symbol): Declare.
3376         * yyscript.y (exp): Call script_symbol.
3377         * symtab.cc: Include "script.h".
3378         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3379         Change all callers.  Check symbols referenced by scripts.
3380         (Symbol_table::add_undefined_symbols_from_command_line): Add
3381         layout parameter.  Change all callers.
3382         (Symbol_table::do_add_undefined_symbols_from_command_line):
3383         Likewise.  Break out loop body.  Check symbols referenced by
3384         scripts.
3385         (Symbol_table::add_undefined_symbol_from_command_line): New
3386         function broken out of
3387         do_add_undefined_symbols_from_command_line.
3388         * symtab.h (class Symbol_table): Update declarations.
3389         * archive.cc: Include "layout.h".
3390         (Archive::should_include_member): Add layout parameter.  Change
3391         all callers.  Check for symbol mentioned in expression.
3392         * archive.h (class Archive): Update declaration.
3393         * object.cc (Sized_relobj::do_should_include_member): Add layout
3394         parameter.
3395         * object.h (Object::should_include_member): Add layout parameter.
3396         Change all callers.
3397         (Object::do_should_include_member): Add layout parameter.
3398         (class Sized_relobj): Update declaration.
3399         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3400         parameter.
3401         * dynobj.h (class Sized_dynobj): Update declaration.
3402         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3403         layout parameter.
3404         * plugin.h (class Sized_pluginobj): Update declaration.
3405
3406 2010-08-02  Ian Lance Taylor  <[email protected]>
3407
3408         PR 11866
3409         * output.cc (Output_segment::set_offset): Search for the first and
3410         last sections rather than assuming that the list is in order.
3411         (Output_segment::find_first_and_last_list): New function.
3412         * output.h (class Output_segment): Update declarations.
3413         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3414         (relro_strip_test_SOURCES): New variable.
3415         (relro_strip_test_DEPENDENCIES): New variable.
3416         (relro_strip_test_LDFLAGS): New variable.
3417         (relro_strip_test_LDADD): New variable.
3418         (relro_strip_test.so): New target.
3419
3420 2010-08-02  Ian Lance Taylor  <[email protected]>
3421
3422         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3423         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3424         (Target_i386::got_tlsdesc_section): New function.
3425         (Target_i386::got_section): Create space for GOT entries for
3426         TLSDESC relocations.
3427         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3428         R_386_TLS_GOTDESC.
3429         (Target_i386::Scan::global): Likewise.
3430         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3431         using TLSDESC GOT.
3432         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3433         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3434         (Target_x86_64::got_tlsdesc_section): New function.
3435         (Target_x86_64::got_section): Create space for GOT entries for
3436         TLSDESC relocations.
3437         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3438         R_386_TLS_GOTDESC.
3439         (Target_x86_64::Scan::global): Likewise.
3440         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3441         using TLSDESC GOT.
3442
3443 2010-08-02  Ian Lance Taylor  <[email protected]>
3444
3445         * testsuite/final_layout.sh: Use dc to convert from hex to
3446         decimal.
3447
3448 2010-07-29  Sriraman Tallam  <[email protected]>
3449
3450         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3451         paramter to the call to gold::gc_process_relocs.
3452         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3453         paramter to the call to gold::gc_process_relocs.
3454         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3455         parameter to the call to gold::gc_process_relocs.
3456         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3457         template parameter to the call to gold::gc_process_relocs.
3458         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3459         paramter to the call to gold::gc_process_relocs.
3460         * gc.h (get_embedded_addend_size): New function.
3461         (gc_process_relocs): Save the size of the reloc for use by ICF.
3462         * icf.cc (get_section_contents): Get the addend from the text section
3463         for SHT_REL relocation sections.
3464         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3465         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3466         * int_encoding.h (read_from_pointer): New overloaded function.
3467         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3468         * testsuite/icf_sht_rel_addend_test.sh: New file.
3469         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3470         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3471
3472 2010-07-28  Ralf Wildenhues  <[email protected]>
3473
3474         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3475         * Makefile.in: Regenerate.
3476         * testsuite/Makefile.in: Regenerate.
3477
3478 2010-07-27  Jeffrey Yasskin  <[email protected]>
3479
3480         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3481         * gold/testsuite/debug_msg.cc: Likewise.
3482         * gold/testsuite/odr_violation1.cc
3483         * gold/testsuite/odr_violation2.cc
3484
3485 2010-07-21  Cary Coutant  <[email protected]>
3486
3487         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3488         string, and length fields.
3489         (Output_merge_string::Merged_strings_list): New type.
3490         (Output_merge_string::Merged_strings_lists): New typedef.
3491         (Output_merge_string): Replace merged_strings_ with
3492         merged_strings_lists_.
3493         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3494         Merged_strings_list per input object and section.  Don't store pointer
3495         to the string.  Don't store length with each merged string entry.
3496         (Output_merge_string::finalize_merged_data): Loop over list of merged
3497         strings lists.  Recompute length of each merged string.
3498
3499 2010-07-15  Cary Coutant  <[email protected]>
3500
3501         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3502         here.
3503
3504 2010-07-14  Ian Lance Taylor  <[email protected]>
3505
3506         * descriptors.cc (Descriptors::open): Report correct name in error
3507         message.
3508
3509 2010-07-13  Doug Kwan  <[email protected]>
3510
3511         * arm.cc (Arm_input_section::Arm_input_section): For a
3512         SHT_ARM_EXIDX section, always keeps the input sections.
3513         (Arm_input_section::set_exidx_section_link): New method.
3514         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3515         has_errors_ to false.
3516         (Arm_exidx_input_section::has_errors,
3517         Arm_exidx_input_section::set_has_errors): New methods.
3518         (Arm_exidx_input_section::has_errors_): New data member.
3519         (Arm_relobj::get_exidx_shndx_list): New method.
3520         (Arm_output_section::append_text_sections_to_list): Do not skip
3521         section without SHF_EXECINSTR.
3522         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3523         errors.
3524         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3525         section header.  Make error messages more verbose.  Check for
3526         a non-executable section linked to an EXIDX section.
3527         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3528         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3529         check that there is no deferred EXIDX section if we exit early.
3530         Instead of not making an EXIDX section in case of an error, make one
3531         and set the has_errors flag of it.
3532         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3533         in a relocatable link.
3534         (Target_arm::do_relax): Look for the EXIDX output section instead of
3535         assuming that it is called .ARM.exidx.
3536         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3537         section list.  Do not check for SHF_EXECINSTR section flags but
3538         skip any input section with errors.
3539         * output.cc (Output_section::Output_section): Initialize
3540         always_keeps_input_sections_ to false.
3541         (Output_section::add_input_section): Check for
3542         always_keeps_input_sections_.
3543         *  output.h (Output_section::always_keeps_input_sections,
3544         Output_section::set_always_keeps_input_sections): New methods.
3545         (Output_section::always_keeps_input_sections): New data member.
3546
3547 2010-07-13  Rafael Espindola  <[email protected]>
3548
3549         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3550         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3551
3552 2010-07-13  Philip Herron  <[email protected]>
3553             Ian Lance Taylor  <[email protected]>
3554
3555         * output.h (Output_section_lookup_maps::add_merge_section):
3556         Correct check of whether value was inserted.
3557         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3558         (Output_section_lookup_maps::add_relaxed_input_section):
3559         Likewise.
3560         * arm.cc (Target_arm::got_section): Remove used local os.
3561         * i386.cc (Target_i386::got_section): Likewise.
3562         * x86_64.cc (Target_x86_64::got_section): Likewise.
3563         * sparc.cc (Target_sparc::got_section): Likewise.
3564         (Target_sparc::relocate): Remove unused local have_got_offset.
3565         * powerpc.cc (Target_powerpc::relocate): Likewise.
3566
3567 2010-07-13  Ian Lance Taylor  <[email protected]>
3568
3569         * compressed_output.cc (zlib_decompress): Fix signature in
3570         !HAVE_ZLIB_H case.
3571
3572         * archive.cc (Archive::include_member): Unlock an external member
3573         of a thin archive.  Don't bother to delete an object we know is
3574         NULL.
3575
3576 2010-07-12  Cary Coutant  <[email protected]>
3577
3578         * compressed_output.cc (zlib_decompress): New function.
3579         (get_uncompressed_size): New function.
3580         (decompress_input_section): New function.
3581         * compressed_output.h (get_uncompressed_size): New function.
3582         (decompress_input_section): New function.
3583         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3584         Handle compressed debug sections.
3585         * layout.cc (is_compressed_debug_section): New function.
3586         (Layout::output_section_name): Map compressed section names to
3587         canonical names.
3588         * layout.h (is_compressed_debug_section): New function.
3589         (is_debug_info_section): Recognize compressed debug sections.
3590         * merge.cc: Include compressed_output.h.
3591         (Output_merge_data::do_add_input_section): Handle compressed
3592         debug sections.
3593         (Output_merge_string::do_add_input_section): Handle compressed
3594         debug sections.
3595         * object.cc: Include compressed_output.h.
3596         (Sized_relobj::Sized_relobj): Initialize new data members.
3597         (build_compressed_section_map): New function.
3598         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3599         * object.h (Object::section_is_compressed): New method.
3600         (Object::do_section_is_compressed): New method.
3601         (Sized_relobj::Compressed_section_map): New type.
3602         (Sized_relobj::do_section_is_compressed): New method.
3603         (Sized_relobj::compressed_sections_): New data member.
3604         * output.cc (Output_section::add_input_section): Handle compressed
3605         debug sections.
3606         * reloc.cc: Include compressed_output.h.
3607         (Sized_relobj::write_sections): Handle compressed debug sections.
3608
3609 2010-07-08  Cary Coutant  <[email protected]>
3610
3611         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3612         weak when resolving to a dynamic def.
3613         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3614         for weak undef/dynamic def cases. Adjust callers.
3615         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3616         undef_binding_weak_.
3617         (Symbol_table::sized_write_globals): Adjust symbol binding.
3618         (Symbol_table::sized_write_symbol): Add binding parameter.
3619         * symtab.h (Symbol::set_undef_binding): New method.
3620         (Symbol::is_undef_binding_weak): New method.
3621         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3622         (Symbol_table::should_override): Add new parameter.
3623         (Symbol_table::sized_write_symbol): Add new parameter.
3624
3625         * testsuite/weak_undef_file1.cc: Add new test case.
3626         * testsuite/weak_undef_file2.cc: Fix header comment.
3627         * testsuite/weak_undef_test.cc: Add new test case.
3628
3629 2010-06-29  Doug Kwan  <[email protected]>
3630
3631         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3632         Initialize USE_SYMBOL_.
3633         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3634         definition.
3635         (Arm_reloc_property::uses_symbol_): New data member declaration.
3636         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3637         uses symbol value and symbol is undefined but not weakly undefined.
3638
3639 2010-06-28  Rafael Espindola  <[email protected]>
3640
3641         * plugin.cc (Plugin::load): Use dlerror.
3642
3643 2010-06-26  Jeffrey Yaskin  <[email protected]>
3644
3645         * symtab.cc (detect_odr_violations): When reporting an ODR
3646         violation, report an object where the symbol is defined.
3647
3648 2010-06-25  Doug Kwan  <[email protected]>
3649
3650         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3651         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3652         definition.
3653         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3654         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3655         target hook to detect function points.
3656         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3657         * icf.h (Icf::check_section_for_function_pointers): Change type of
3658         parameter SECTION_NAME to const reference to std::string.  Use
3659         target hook to determine if section may have unsafe pointers.
3660         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3661         method definition.
3662
3663 2010-06-21  Rafael Espindola  <[email protected]>
3664
3665         * fileread.cc (Input_file::find_fie): New
3666         (Input_file::open): Use Input_file::find_fie.
3667         * fileread.h (Input_file::find_fie): New
3668         * plugin.cc (set_extra_library_path): New.
3669         (Plugin::load): Add set_extra_library_path to the transfer vector.
3670         (Plugin_manager::set_extra_library_path): New.
3671         (Plugin_manager::add_input_file): Use the extra search path if set.
3672         (set_extra_library_path(): New.
3673         * plugin.h (Plugin_manager): Add set_extra_library_path and
3674         extra_search_path_.
3675
3676 2010-06-19  Cary Coutant  <[email protected]>
3677
3678         * layout.cc (gdb_sections): Add .debug_types.
3679         (lines_only_debug_sections): Likewise.
3680
3681 2010-06-18  Rafael Espindola  <[email protected]>
3682
3683         * plugin.cc (add_input_file,add_input_library)
3684         (Plugin_manager::add_input_file): Make filename arguments const.
3685         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3686         const.
3687
3688 2010-06-16  Doug Kwan  <[email protected]>
3689
3690         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3691         .ARM.attributes section if we have not merged any input
3692         attributes sections.
3693
3694 2010-06-15  Viktor Kutuzov  <[email protected]>
3695
3696         * arm.cc: Allow combining objects with no EABI version
3697         information.
3698
3699 2010-06-15  Rafael Espindola  <[email protected]>
3700
3701         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3702
3703 2010-06-15  Viktor Kutuzov  <[email protected]>
3704
3705         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3706         (struct iovec): Correct !HAVE_READV definition.
3707
3708 2010-06-10  Cary Coutant  <[email protected]>
3709
3710         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3711         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3712         reloc sections.
3713         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3714
3715         PR 11683
3716         * symtab.h (Symbol::is_placeholder): New member function.
3717         * target-reloc.h (relocate_section): Check for placeholder symbols.
3718
3719         * testsuite/Makefile.am (plugin_test_8): New test.
3720         (plugin_test_9): New test.
3721         * testsuite/Makefile.in: Regenerate.
3722
3723 2010-06-09  Nick Clifton  <[email protected]>
3724
3725         * yyscript.y (input_list_element): Allow strings prefixed with
3726         the '-' character.  Treat these as libraries.
3727         * script.cc (script_add_library): New function.  Adds a library
3728         specified by "-l<name>" found in an input script.
3729         * script-c.h: Add prototype for script_add_library.
3730
3731 2010-06-07  Doug Kwan  <[email protected]>
3732
3733         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3734         Restrict stub-group size to be within long conditional branch
3735         range when working around cortex-A8 erratum.
3736
3737 2010-06-07  Damien Diederen  <[email protected]>
3738
3739         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3740         #ifdef typo.
3741
3742 2010-06-03  Sriraman Tallam  <[email protected]>
3743
3744         PR gold/11658
3745         * output.cc
3746         (Output_section::Input_section_sort_entry::compare_section_ordering):
3747         Change to return non-zero correctly.
3748         (Output_section::Input_section_sort_section_order_index_compare
3749         ::operator()): Change to fix ambiguity in comparisons.
3750
3751 2010-06-01  Sriraman Tallam  <[email protected]>
3752
3753         * gold.h (is_wildcard_string): New function.
3754         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3755         (Layout::layout_eh_frame): Ditto.
3756         (Layout::find_section_order_index): New method.
3757         (Layout::read_layout_from_file): New method.
3758         * layout.h (Layout::find_section_order_index): New method.
3759         (Layout::read_layout_from_file): New method.
3760         (Layout::input_section_position_): New private member.
3761         (Layout::input_section_glob_): New private member.
3762         * main.cc (main): Call read_layout_from_file here.
3763         * options.h (--section-ordering-file): New option.
3764         * output.cc (Output_section::input_section_order_specified_): New
3765         member.
3766         (Output_section::Output_section): Initialize new member.
3767         (Output_section::add_input_section): Add new parameter.
3768         Keep input sections when --section-ordering-file is used.
3769         (Output_section::set_final_data_size): Sort input sections when
3770         section ordering file is specified.
3771         (Output_section::Input_section_sort_entry): Add new parameter.
3772         Check sorting type.
3773         (Output_section::Input_section_sort_entry::compare_section_ordering):
3774         New method.
3775         (Output_section::Input_section_sort_compare::operator()): Change to
3776         consider section_order_index.
3777         (Output_section::Input_section_sort_init_fini_compare::operator()):
3778         Change to consider section_order_index.
3779         (Output_section::Input_section_sort_section_order_index_compare
3780         ::operator()): New method.
3781         (Output_section::sort_attached_input_sections): Change to sort
3782         according to section order when specified.
3783         (Output_section::add_input_section<32, true>): Add new parameter.
3784         (Output_section::add_input_section<64, true>): Add new parameter.
3785         (Output_section::add_input_section<32, false>): Add new parameter.
3786         (Output_section::add_input_section<64, false>): Add new parameter.
3787         * output.h (Output_section::add_input_section): Add new parameter.
3788         (Output_section::input_section_order_specified): New
3789         method.
3790         (Output_section::set_input_section_order_specified): New method.
3791         (Input_section::Input_section): Initialize section_order_index_.
3792         (Input_section::section_order_index): New method.
3793         (Input_section::set_section_order_index): New method.
3794         (Input_section::section_order_index_): New member.
3795         (Input_section::Input_section_sort_section_order_index_compare): New
3796         struct.
3797         (Output_section::input_section_order_specified_): New member.
3798         * script-sections.cc (is_wildcard_string): Delete and move modified
3799         method to gold.h.
3800         (Output_section_element_input::Output_section_element_input): Modify
3801         call to is_wildcard_string.
3802         (Output_section_element_input::Input_section_pattern
3803         ::Input_section_pattern): Ditto.
3804         (Output_section_element_input::Output_section_element_input): Ditto.
3805         * testsuite/Makefile.am (final_layout): New test case.
3806         * testsuite/Makefile.in: Regenerate.
3807         * testsuite/final_layout.cc: New file.
3808         * testsuite/final_layout.sh: New file.
3809
3810 2010-06-01  Rafael Espindola  <[email protected]>
3811
3812         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3813
3814 2010-06-01  Rafael Espindola  <[email protected]>
3815
3816         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3817         visibility of symbols.
3818
3819 2010-05-27  Doug Kwan  <[email protected]>
3820
3821         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3822         from start of output section instead of address for a local symbol
3823         in a merged or relaxed section when doing a relocatable link.
3824
3825 2010-05-26  Rafael Espindola  <[email protected]>
3826
3827        PR 11604
3828         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3829         adding sections the garbage collector removed.
3830         * gold/testsuite/Makefile.am: Add test.
3831         * gold/testsuite/Makefile.in: Regenerate.
3832         * gold/testsuite/plugin_test_7.sh: New.
3833         * gold/testsuite/plugin_test_7_1.c: New.
3834         * gold/testsuite/plugin_test_7_2.c: New.
3835
3836 2010-05-26  Rafael Espindola  <[email protected]>
3837
3838         * script-sections.cc (Output_section_definition::set_section_addresses):
3839         Check for --section-start.
3840
3841 2010-05-26  Doug Kwan  <[email protected]>
3842
3843         * arm.cc (Arm_scan_relocatable_relocs): New class.
3844         (Target_arm::relocate_special_relocatable): New method.
3845         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3846         (Arm_relocate_functions::thumb_branch_common): Same.
3847         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3848         instead of Default_scan_relocatable_relocs.
3849         * target-reloc.h (relocate_for_relocatable): Let target handle
3850         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3851         * target.h (Sized_target::relocate_special_relocatable): New method.
3852
3853 2010-05-25  Viktor Kutuzov  <[email protected]>
3854
3855         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3856
3857 2010-05-23  Doug Kwan  <[email protected]>
3858
3859         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3860         instead of a cast.
3861         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3862         with a direct branch, not a conditional branch, to a stub.
3863         * merge.cc (Output_merge_base::record_input_section): New method
3864         defintion.
3865         (Output_merge_data::do_add_input_section): Record input section if
3866         keeps-input-sections flag is set.
3867         (Output_merge_string::do_add_input_section): Ditto.
3868         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3869         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3870         INPUT_SECTIONS_.
3871         (Output_merge_base::keeps_input_sections,
3872         Output_merge_base::set_keeps_input_sections,
3873         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3874         method definitions.
3875         (Output_merge_base::Input_sections): New type declaration.
3876         (Output_merge_base::input_sections_begin,
3877         Output_merge_base::input_sections_end,
3878         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3879         (Output_merge_base::bool keeps_input_sections_,
3880         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3881         Output_merge_base::input_sections_): New data members.
3882         (Output_merge_data::do_set_keeps_input_sections): New method
3883         defintion.
3884         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3885         * output.cc (Output_section::Input_section::relobj): Move method
3886         defintion from class declaration to here and handle merge sections.
3887         (Output_section::Input_section::shndx): Ditto.
3888         (Output_section::Output_section): Remove initializations of removed
3889         data members and initialize new data member LOOKUP_MAPS_.
3890         (Output_section::add_input_section): Set keeps-input-sections flag
3891         for a newly created merge output section as appropriate.  Adjust code
3892         to use Output_section_lookup_maps class.
3893         (Output_section::add_relaxed_input_section): Adjst code for lookup
3894         maps code refactoring.
3895         (Output_section::add_merge_input_section): Add a new parameter
3896         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3897         class.  If adding input section to a newly created merge output
3898         section fails, remove the new merge section.
3899         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3900         Adjust code for use of the Output_section_lookup_maps class.
3901         (Output_section::find_merge_section): Ditto.
3902         (Output_section::build_lookup_maps): New method defintion.
3903         (Output_section::find_relaxed_input_section): Adjust code to use
3904         Output_section_lookup_maps class.
3905         (Output_section::get_input_sections): Export merge sections.  Adjust
3906         code to use Output_section_lookup_maps class.
3907         (Output_section:::add_script_input_section): Adjust code to use
3908         Output_section_lookup_maps class.  Update lookup maps for merge
3909         sections also.
3910         (Output_section::discard_states): Use Output_section_lookup_maps.
3911         (Output_section::restore_states): Same.
3912         * output.h (Merge_section_properties): Move class defintion out of
3913         Output_section.
3914         (Output_section_lookup_maps): New class.
3915         (Output_section::Input_section::is_merge_section): New method
3916         defintion.
3917         (Output_section::Input_section::relobj): Move defintion out of class
3918         defintion.  Declare method only.
3919         (Output_section::Input_section::shndx): Ditto.
3920         (Output_section::Input_section::output_merge_base): New method defintion.
3921         (Output_section::Input_section::u2_.pomb): New union field.
3922         (Output_section::Merge_section_by_properties_map,
3923         Output_section::Output_section_data_by_input_section_map,
3924         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3925         Remove types.
3926         (Output_section::add_merge_input_section): Add new parameter
3927         KEEPS_INPUT_SECTIONS.
3928         (Output_section::build_lookup_maps): New method declaration.
3929         (Output_section::merge_section_map_,
3930         Output_section::merge_section_by_properties_map_,
3931         Output_section::relaxed_input_section_map_,
3932         Output_section::is_relaxed_input_section_map_valid_): Remove data
3933         members.
3934         (Output_section::lookup_maps_): New data member.
3935
3936 2010-05-21  Doug Kwan  <[email protected]>
3937
3938         PR gold/11619
3939         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3940         avoid a compilation error.
3941
3942 2010-05-19  Rafael Espindola  <[email protected]>
3943
3944         * script-sections.cc (Output_section_definition::allocate_to_segment):
3945         Update the phdrs_list even when the output section is NULL.
3946         * testsuite/Makefile.am: Add test.
3947         * testsuite/Makefile.in: Regenerate.
3948         * testsuite/script_test_9.cc: New.
3949         * testsuite/script_test_9.sh: New.
3950         * testsuite/script_test_9.t: New.
3951
3952 2010-05-19  Doug Kwan  <[email protected]>
3953
3954         * arm.cc (Arm_input_section::original_size): New method.
3955         (Arm_input_section::do_addralign): Add a cast.
3956         (Arm_input_section::do_output_offset): Remove static cast.
3957         (Arm_input_section::original_addralign,
3958          Arm_input_section::original_size_): Change type to uint32_t.
3959         (Arm_input_section::init): Add safe casts for section alignment
3960         and size.
3961         (Arm_input_section::set_final_data_size): Do not set address and
3962         offset of stub table.
3963         (Arm_output_section::fix_exidx_coverage): Change use of of
3964         Output_section::Simple_input_section to that of
3965         Output_section::Input_section.
3966         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3967         except for the first pass.
3968         * output.cc (Output_section::get_input_sections): Change type of
3969         input_sections to std::list<Input_section>.
3970         (Output_section::add_script_input_section): Rename from
3971         Output_section::add_simple_input_section.  Change type of SIS
3972         parameter from Simple_input_section to Input_section.
3973         * output.h (Output_section::Simple_input_section): Remove class.
3974         (Output_section::Input_section): Change class visibility to public.
3975         (Output_section::Input_section::addralign): Use stored alignments
3976         for special input sections if set.
3977         (Output_section::Input_section::set_addralign): New method.
3978         (Output_section::get_input_sections): Change parameter type from
3979         list of Simple_input_section to list of Input_section.
3980         (Output_section::add_script_input_section): Rename from
3981         Output_section::add_simple_input_section. Change first parameter's
3982         type from Simple_input_section to Input_section and remove the
3983         second and third parameters.
3984         * script-sections.cc (Input_section::Input_section_list): Change
3985         type to list of Output_section::Input_section/
3986         (Input_section_info::Input_section_info): Change parameter type of
3987         INPUT_SECTION to Output_section::Input_section.
3988         (Input_section_info::input_section): Change return type.
3989         (Input_section_info::input_section_): Change type to
3990         Output_section::Input_section.
3991         (Output_section_element_input::set_section_addresses): Adjust code
3992         to use Output_section::Input_section instead of
3993         Output_section::Simple_input_section.  Adjust code for renaming
3994         of Output_section::add_simple_input_section.
3995         (Orphan_output_section::set_section_addresses): Ditto.
3996
3997 2010-05-18  Ralf Wildenhues  <[email protected]>
3998
3999         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4000         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4001
4002 2010-05-18  Rafael Espindola  <[email protected]>
4003
4004         * options.cc (General_options::finalize): Handle -nostdlib.
4005         * options.h (nostdlib): New option.
4006         * script.cc (script_add_search_dir): Handle -nostdlib.
4007
4008 2010-05-12  Doug Kwan  <[email protected]>
4009
4010         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4011         attributes section only if there no attributes section after merging.
4012         (Target_arm::merge_object_attributes): Move value of
4013         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4014         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4015         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4016         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4017         and arm_attr_merge_7.stdout.
4018         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4019         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4020         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4021         arm_attr_merge_7b.o): New rules.
4022         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4023         arm_attr_merge_7
4024         * testsuite/Makefile.in: Regenerate.
4025         * testsuite/arm_attr_merge.sh: New file.
4026         * testsuite/arm_attr_merge_[67][ab].s: Same.
4027
4028 2010-05-05  Nick Clifton  <[email protected]>
4029
4030         * po/es.po: Updated Spanish translation.
4031
4032 2010-04-27  H.J. Lu  <[email protected]>
4033
4034         * Makefile.am (install-exec-local): Properly install gold as
4035         default cross linker.
4036         * Makefile.in: Regenerated.
4037
4038 2010-04-27  H.J. Lu  <[email protected]>
4039             Nick Clifton  <[email protected]>
4040
4041         * configure.ac (install_as_default): Define and set to false
4042         unless --enable-gold or --enable-gold=both/gold has been
4043         specified.
4044         * configure: Regenerate.
4045
4046         * Makefile.am (install-exec-local): Install the executable as
4047         'ld.gold'.  If install_as_default is true then also install it as
4048         'ld'.
4049         * Makefile.in: Regenerated.
4050
4051 2010-04-24  Ian Lance Taylor  <[email protected]>
4052
4053         * layout.cc (Layout::layout_reloc): In relocatable link don't
4054         combine reloc sections for grouped sections.
4055
4056 2010-04-23  Sriraman Tallam  <[email protected]>
4057
4058         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4059         sections that are not ordinary to icf.
4060         * icf.cc (get_section_contents): Handle relocation pointing to section
4061         with no object or shndx information.
4062         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4063         * testsuite/Makefile.in: Regenerate.
4064         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4065         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4066
4067 2010-04-22  Ian Lance Taylor  <[email protected]>
4068
4069         * expression.cc (Expression::Expression_eval_info): Add
4070         result_alignment_pointer field.
4071         (Expression::eval_with_dot): Add result_alignment_pointer
4072         parameter.  Change all callers.
4073         (Expression::eval_maybe_dot): Likewise.
4074         (class Binary_expression): Add alignment_pointer parameter to
4075         left_value and right_value.  Change all callers.
4076         (BINARY_EXPRESSION): Set result alignment.
4077         (class Trinary_expression): Add alignment_pointer parameter to
4078         arg2_value and arg3_value.  Change all callers.
4079         (Trinary_cond::value): Set result alignment.
4080         (Max_expression::value, Min_expression::value): Likewise.
4081         (Align_expression::value): Likewise.
4082         * script-sections.cc (class Sections_element): Add dot_alignment
4083         parameter to set_section_addresses virtual function.  Update
4084         instantiations.
4085         (class Output_section_element): Likewise.
4086         (Script_sections::create_segments): Add dot_alignment parameter.
4087         Change all callers.
4088         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4089         (Script_sections::set_phdrs_clause_addresses): Likewise.
4090         * script-sections.h: Update declarations.
4091         * script.h: Update declarations.
4092         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4093         min_p_align.
4094         * testsuite/script_test_3.t: Set large alignment.
4095         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4096         segment has expected alignment.
4097
4098 2010-04-22  Nick Clifton  <[email protected]>
4099
4100         * po/gold.pot: Updated by the Translation project.
4101         * po/vi.po: Updated Vietnamese translation.
4102
4103 2010-04-22  H.J. Lu  <[email protected]>
4104
4105         * testsuite/Makefile.am (check_PROGRAMS): Add
4106         icf_virtual_function_folding_test.
4107         * testsuite/Makefile.in: Regenerated.
4108
4109 2010-04-15  Andrew Haley  <[email protected]>
4110
4111         * options.h (merge_exidx_entries): New option.
4112         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4113         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4114         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4115         (Target_arm::merge_exidx_entries): New function.
4116         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4117         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4118         to Arm_exidx_fixup constructor.
4119         Add new arg, merge_exidx_entries.
4120         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4121         Arm_output_section::fix_exidx_coverage.
4122
4123 2010-04-18  Sriraman Tallam  <[email protected]>
4124
4125         * icf.cc (get_section_contents): Check for preemptible functions.
4126         Ignore addend when appropriate.
4127         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4128         section folded.
4129         (add_from_relobj): Check for section folded.
4130         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4131         * symtab.h (should_add_dynsym_entry): Add new parameter.
4132         * target-reloc.h (scan_relocs): Check for section folded.
4133         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4134         Check reloc types for function pointers in shared objects.
4135         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4136         case.
4137         (icf_preemptible_functions_test): New test case.
4138         (icf_string_merge_test): New test case.
4139         * testsuite.Makefile.in: Regenerate.
4140         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4141         bar_glob.  Refactor code.
4142         * testsuite/icf_preemptible_functions_test.cc: New file.
4143         * testsuite/icf_preemptible_functions_test.sh: New file.
4144         * testsuite/icf_string_merge_test.cc: New file.
4145         * testsuite/icf_string_merge_test.sh: New file.
4146         * testsuite/icf_virtual_function_folding_test.cc: New file.
4147         * testsuite/icf_virtual_function_folding_test.sh: New file.
4148
4149 2010-04-14  Doug Kwan  <[email protected]>
4150
4151         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4152         for local symbol recounting if we remove a section due to ICF.
4153         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4154         there are no regular objects in input.
4155
4156 2010-04-13  Doug Kwan  <[email protected]>
4157
4158         * arm.cc (Arm_input_section::set_final_data_size): Compute
4159         accurate final data size instead of using current data size.
4160
4161 2010-04-09  Doug Kwan  <[email protected]>
4162
4163         * layout.cc (Layout::choose_output_section): Handle script section
4164         types.
4165         (Layout::make_output_section_for_script): Add section type parameter.
4166         Handle script section types.
4167         * layout.h (Layout::make_output_section_for_script): Add section
4168         type parameter.
4169         * output.cc (Output_section::Output_section): Initialize data member
4170         is_noload_.
4171         (Output_section::do_reset_address_and_file_offset): Do not set address
4172         to 0 if section is a NOLOAD section.
4173         * output.h (Output_section::is_noload): New method.
4174         (Output_section::set_is_noload): Ditto.
4175         (Output_section::is_noload_): New data member.
4176         * script-c.h (Script_section_type): New enum type.
4177         (struct Parser_output_section_header): Add new file section_type.
4178         * script-sections.cc (Sections_element::output_section_name): Add
4179         parameter for returning script section type.
4180         (Output_section_definition::output_section_name): Ditto.
4181         (Output_section_definition::section_type)P; New method.
4182         (Output_section_definiton::script_section_type_name): Ditto.
4183         (Output_section_definition::script_section_type_): New data member.
4184         (Output_section_definition::Output_section_definition): Initialize
4185         data member Output_section_definition::script_section_type_.
4186         (Output_section_definition::create_sections): Pass script section type
4187         to Layout::make_output_section_for_script.
4188         (Output_section_definition::output_section_name): Return script
4189         section type to caller.
4190         (Output_section_definition::set_section_address): Do not advance
4191         dot value and load address if section type is NOLOAD.  Set address
4192         of NOLOAD sections regardless of section flags.
4193         (Output_section_definition::print): Print section type if it is
4194         not SCRIPT_SECTION_TYPE_NONE.
4195         (Output_section_definition::section_type): New method.
4196         (Output_section_definition::script_section_type_name): Ditto.
4197         (Script_sections::output_section_name): Add new parameter
4198         PSECTION_TYPE for returning script section type.  Pass it to
4199         section elements.  Handle discard sections.
4200         (Sort_output_sections::operator()): Handle NOLOAD sections.
4201         * script-sections.h (Script_sections::Section_type): New enum type.
4202         (Script_sections::output_section_name): Add a new parameter for
4203         returning script section type.
4204         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4205         INFO and NOLOAD.
4206         * yyscript.y (union): Add new field SECTION_TYPE.
4207         (COPY, DSECT, INFO, NOLOAD): New tokens.
4208         (opt_address_and_section_type): Change type to output_section_header.
4209         (section_type): New non-terminal
4210         (section_header): Handle section type.
4211         (opt_address_and_section_type): Return section type value.
4212
4213 2010-04-09  H.J. Lu  <[email protected]>
4214
4215         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4216         * testsuite/plugin_common_test_2.c (foo): Likewise.
4217
4218 2010-04-08  Doug Kwan  <[email protected]>
4219
4220         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4221         Output_merge_data.
4222         * output.cc (Output_section::add_merge_input_section): Simplify
4223         code and return status of Output_merge_base::add_input_section.
4224         Update merge section map only if Output_merge_base::add_input_section
4225         returns true.
4226
4227 2010-04-07  Doug Kwan  <[email protected]>
4228
4229         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4230         if section is marked as containing instructions but has no mapping
4231         symbols.
4232         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4233         correct section index.
4234         (Arm_relobj::find_linked_text_section): Ditto.
4235
4236 2010-04-07  Cary Coutant  <[email protected]>
4237
4238         * archive.cc (include_member): Destroy Read_symbols_data object before
4239         releasing file.
4240         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4241         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4242         (Read_symbols_data::~Read_symbols_data) New destructor.
4243         (Section_relocs::Section_relocs) New constructor.
4244         (Section_relocs::~Section_relocs) New destructor.
4245         (Read_relocs_data::Read_relocs_data) New constructor.
4246         (Read_relocs_data::~Read_relocs_data) New destructor.
4247         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4248         pointers to NULL after deleting.
4249
4250 2010-04-07  Doug Kwan  <[email protected]>
4251
4252         * arm.cc: Replace "endianity" with "endianness" in comments.
4253         (Arm_exidx_cantunwind): Ditto.
4254         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4255         (Arm_relobj::merge_flags_and_attributes): New method.
4256         (Arm_relobj::merge_flags_and_attributes_): New data member.
4257         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4258         (Arm_relobj::scan_sections_for_stubs): Ditto.
4259         (Arm_relobj::do_read_symbols): Check to see if we really want to
4260         merge processor-specific flags and attributes.  Exit early if
4261         an object is empty except for section names and the undefined symbol.
4262         (Target_arm::do_finalize_sections): Move check for ELF format to
4263         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4264         attributes from a regular object only when we have determined that
4265         it is aapropriate.  Do not create an .ARM.attributes section in
4266         output if there is no regular input object.
4267         (Target_arm::merge_processor_specific_flags): Check
4268         --warn-mismatch before printing any error.
4269         (Target_arm::merge_object_attributes): Ditto.
4270         * gold.cc (queue_middle_tasks): Handle the case in which there is
4271         no regular object in input.
4272         * options.cc (General_options::parse_EB): New method.
4273         (General_options::parse_EL): Same.
4274         (General_options::General_options): Initialize endianness_.
4275         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4276         New options.
4277         (General_options::Endianness): New enum.
4278         (General_options::endianness): New method.
4279         (General_options::endianness_): New data member.
4280         * parameters.cc (Parameters::set_options): Check target endianness.
4281         (Parameters::set_target_once): Ditto.
4282         (Parameters::check_target_endianness): New method.
4283         (parameters_force_valid_target): If either -EL or -EB is specified,
4284         use it to define endianness of default target.
4285         * parameters.h (Parameters::check_target_endianness): New method
4286         declaration.
4287         * target.h (class Target): Change "endianity" to "endianness"
4288         in comments.
4289
4290 2010-04-07  Ralf Wildenhues  <[email protected]>
4291
4292         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4293         * configure: Regenerate.
4294         * Makefile.in: Regenerate.
4295         * testsuite/Makefile.in: Regenerate.
4296
4297 2010-04-06  Cary Coutant  <[email protected]>
4298
4299         gcc PR lto/42757
4300         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4301         prevailing definitions of common symbols.
4302         * testsuite/plugin_test_6.sh: New test case.
4303         * testsuite/plugin_common_test_1.c: New test case.
4304         * testsuite/plugin_common_test_2.c: New test case.
4305         * testsuite/Makefile.am (plugin_test_6): New test case.
4306         * testsuite/Makefile.in: Regenerate.
4307
4308 2010-04-06  Nick Clifton  <[email protected]>
4309
4310         * po/vi.po: New Vietnamese translation.
4311
4312 2010-03-30  Doug Kwan  <[email protected]>
4313
4314         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4315
4316 2010-03-25  Doug Kwan  <[email protected]>
4317
4318         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4319         to avoid a conversion warning on a 32-bit host.
4320
4321 2010-03-24  Ian Lance Taylor  <[email protected]>
4322
4323         * testsuite/script_test_3.t: Add a TLS segment.
4324         * testsuite/Makefile.am (check_PROGRAMS): Add
4325         tls_phdrs_script_test.
4326         (tls_phdrs_script_test_SOURCES): Define.
4327         (tls_phdrs_script_test_DEPENDENCIES): Define.
4328         (tls_phdrs_script_test_LDFLAGS): Define.
4329         (tls_phdrs_script_test_LDADD): Define.
4330         * testsuite/Makefile.in: Rebuild.
4331
4332 2010-03-23  Cary Coutant  <[email protected]>
4333
4334         * fileread.cc (find_or_make_view): Fix comment.
4335
4336 2010-03-23  Ian Lance Taylor  <[email protected]>
4337
4338         * script-sections.cc (class Orphan_section_placement): Define
4339         PLACE_TLS and PLACE_TLS_BSS.
4340         (Orphan_section_placement::Orphan_section_placement): Initialize
4341         new places.
4342         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4343         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4344         (tls_script_test_SOURCES): Define.
4345         (tls_script_test_DEPENDENCIES): Define.
4346         (tls_script_test_LDFLAGS): Define.
4347         (tls_script_test_LDADD): Define.
4348         * testsuite/Makefile.in: Rebuild.
4349
4350 2010-03-22  Doug Kwan  <[email protected]>
4351
4352         * arm.cc (Arm_relocate_functions::abs8,
4353         Arm_relocate_functions::abs16): Use correct check for overflow
4354         specified in the ARM ELF specs.
4355         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4356         target of a BLX instruction specially.
4357         (Reloc_stub::stub_type_for_reloc): Ditto.
4358         (Relocate::relocate): Use symbolic names instead of numeric relocation
4359         codes to report error.
4360         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4361         workaround.
4362         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4363         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4364         thumb2_blx_out_of_range.stdout
4365         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4366         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4367         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4368         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4369         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4370         thumb2_blx_in_range, thumb2_blx_in_range.o,
4371         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4372         thumb2_blx_out_of_range.o): New rules.
4373         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4374         thumb2_blx_in_range and thumb2_blx_out_of_range.
4375         * testsuite/Makefile.in: Regenerate.
4376         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4377         * testsuite/thumb_blx_in_range.s: New file.
4378         * testsuite/thumb_blx_out_of_range.s: New file.
4379
4380 2010-03-22  Rafael Espindola  <[email protected]>
4381
4382         * archive.cc (Should_include): Move to archive.h.
4383         (should_include_member): Make it a member of Archive.
4384         (Lib_group): New.
4385         (Add_lib_group_symbols): New.
4386         * archive.h: Include options.h.
4387         (Archive_member): Moved from Archive.
4388         (Should_include): Moved from archive.cc.
4389         (Lib_group): New.
4390         (Add_lib_group_symbols): New.
4391         * dynobj.cc (do_should_include_member): New.
4392         * dynobj.h (do_should_include_member): New.
4393         * gold.cc (queue_initial_tasks): Update call to queue.
4394         * main.cc (main): Print lib group stats.
4395         * object.cc (do_should_include_member): New.
4396         * object.h: Include archive.h.
4397         (Object::should_include_member): New.
4398         (Object::do_should_include_member): New.
4399         (Sized_relobj::do_should_include_member): New.
4400         * options.cc (General_options::parse_start_lib): New.
4401         (General_options::parse_end_lib): New.
4402         (Input_arguments::add_file): Handle lib groups.
4403         (Input_arguments::start_group): Check we are not in a lib.
4404         (Input_arguments::start_lib): New.
4405         (Input_arguments::end_lib): New.
4406         * options.h (General_options): Add start_lib and end_lib.
4407         (Input_argument::lib_): New.
4408         (Input_argument::lib): New.
4409         (Input_argument::is_lib): New.
4410         (Input_file_lib): New.
4411         (Input_arguments::in_lib_): New.
4412         (Input_arguments::in_lib): New.
4413         (Input_arguments::start_lib): New.
4414         (Input_arguments::end_lib_): New.
4415         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4416         in unused members as preempted.
4417         (Sized_pluginobj::do_should_include_member): New.
4418         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4419         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4420         return the blocker.
4421         (Read_symbols::do_whole_lib_group): New.
4422         (Read_symbols::do_lib_group): New.
4423         (Read_symbols::do_read_symbols): Handle lib groups.
4424         (Read_symbols::get_name): Handle lib groups.
4425         * readsyms.h (Read_symbols): Add an archive member pointer.
4426         (Read_symbols::do_whole_lib_group): New.
4427         (Read_symbols::do_lib_group): New.
4428         (Read_symbols::member_): New.
4429         * script.cc (read_input_script): Update call to queue_soon.
4430
4431 2010-03-19  Doug Kwan  <[email protected]>
4432
4433         * arm.cc (Stub_table::Stub_table): Initialize new data members
4434         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4435         (Stub_table::add_reloc_stub): Assign stub offset and update
4436         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4437         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4438         New data members.
4439         (Stub_table::update_data_size_and_addralign): Use
4440         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4441         instead of going over all reloc stubs.
4442         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4443         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4444         Stringpool_template::offset_ to size of Stringpool_char.
4445         (Stringpool_template::new_key_offset): Remove code to initialize
4446         Stringpool_template::offset_.
4447         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4448         Stringpool_template::offset_ to zero.
4449
4450 2010-03-15  Doug Kwan  <[email protected]>
4451
4452         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4453         offset_.
4454         (Stringpool_template::new_key_offset): New method.
4455         (Stringpool_template::add_string): Assign offsets when adding new
4456         strings.
4457         (Stringpool_template::set_string_offsets): Do not set string offsets
4458         when not optimizing.
4459         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4460         member size_.
4461         (Chunked_vector::clear): Clear size_.
4462         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4463         (Chunked_vector::size): Return size_.
4464         (Chunked_vector::push_back): Use size_ to find insert position.
4465         (Chunked_vector::size_): New data member.
4466         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4467         (Stringpool_template::new_key_offset): New method declaration.
4468         (Stringpool_template::offset_): New data member.
4469
4470 2010-03-15   Rafael Espindola  <[email protected]>
4471
4472         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4473         Add_symbols' constructor.
4474         * readsyms.h (Add_symbols): Remove the input_group member.
4475
4476 2010-03-10  Ian Lance Taylor  <[email protected]>
4477
4478         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4479         target to ask whether a reference to a symbol requires a stack
4480         split.
4481         * target.h (Target::is_call_to_non_split): New function.
4482         (Target::do_is_call_to_non_split): Declare virtual function.
4483         * target.cc: Include "symtab.h".
4484         (Target::do_is_call_to_non_split): New function.
4485         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4486
4487 2010-03-10  Cary Coutant  <[email protected]>
4488
4489         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4490         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4491         (File_read::open[2]): Add whole_file_view_ to list of views.
4492         (File_read::make_view): Remove test of whole_file_view_.
4493         (File_read::find_or_make_view): Create whole_file_view_ if
4494         necessary.
4495         (File_read::clear_views): Replace bool parameter with enum;
4496         adjust all callers.  Don't delete views with permanent data;
4497         do delete cached views and views from archives if
4498         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4499         if clearing the corresponding view.
4500         * fileread.h (File_read::Clear_views_mode): New enum.
4501         (File_read::View::is_permanent_view): New method.
4502         (File_read::clear_views): Replace bool parameter
4503         with enum; adjust all callers.
4504         * options.h (General_options): Change keep_files_mapped option;
4505         add map_whole_files.
4506         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4507         releasing the file.
4508         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4509         the file.
4510
4511 2010-03-10  David S. Miller  <[email protected]>
4512
4513         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4514
4515 2010-03-09  Sriraman Tallam  <[email protected]>
4516
4517         * icf.cc (get_section_contents): Add '@' marker after processing the
4518         merge reloc.
4519
4520 2010-03-08  Doug Kwan  <[email protected]>
4521
4522         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4523         due to a conversion warning.
4524         (Arm_relobj::update_output_local_symbol_count): Check for local
4525         symbol with unset output index.
4526
4527 2010-03-05  Ian Lance Taylor  <[email protected]>
4528
4529         * options.h (class General_options): Add --spare-dynamic-tags.
4530         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4531         --spare-dynamic-tags.
4532
4533 2010-03-05  Ian Lance Taylor  <[email protected]>
4534
4535         * incremental.cc: Include "libiberty.h".
4536
4537 2010-03-05  Rainer Orth  <[email protected]>
4538
4539         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4540         function, is_info_ member.
4541         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4542         (Versions::Versions): Update caller.
4543         (Versions::define_base_version): Likewise.
4544         (Versions::add_def): Likewise.
4545
4546 2010-03-03  Sriraman Tallam  <[email protected]>
4547
4548         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4549         (Scan::possible_function_pointer_reloc): New function.
4550         (Scan::local_reloc_may_be_function_pointer): Change to call
4551         possible_function_pointer_reloc.
4552         (Scan::global_reloc_may_be_function_pointer): Ditto.
4553         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4554         relocations in ".data.rel.ro._ZTV" section.
4555         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4556         * testsuite/icf_safe_so_test.cc: Ditto.
4557         * testsuite/icf_safe_test.cc: Ditto.
4558         * testsuite/icf_safe_test.sh: Ditto.
4559
4560 2010-03-03  Viktor Kutuzov  <[email protected]>
4561             Ian Lance Taylor  <[email protected]>
4562
4563         * target-reloc.h (relocate_section): Check the symbol table index
4564         for -1U before setting the local symbol index.
4565         (scan_relocatable_relocs): If copying the relocation, record that
4566         the local symbol is required.
4567         * object.h (Symbol_value::is_output_symtab_index_set): New
4568         function.
4569         (Symbol_value::may_be_discarded_from_output_symtab): New
4570         function.
4571         (Symbol_value::has_output_symtab_entry): New function.
4572         (Symbol_value::needs_output_symtab_entry): Remove.
4573         (Symbol_value::output_symtab_index): Make sure the symbol index is
4574         set.
4575         (Symbol_value::set_output_symtab_index): Make sure the symbol
4576         index is not set.  Make sure the new index is valid.
4577         (Symbol_value::set_must_have_output_symtab_entry): New function.
4578         (Symbol_value::has_output_dynsym_entry): New function.
4579         (Symbol_value::set_output_dynsym_index): Make sure the new index
4580         is valid.
4581         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4582         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4583         local symbol if permitted.
4584         (Sized_relobj::do_finalize_local_symbols): Call
4585         is_output_symtab_index_set rather than needs_output_symtab_entry.
4586         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4587         rather than needs_output_symtab_entry.  Call
4588         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4589         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4590         is_output_symtab_index_set rather than needs_output_symtab_entry.
4591         * testsuite/discard_locals_relocatable_test.c: New file.
4592         * testsuite/discard_locals_test.sh: Test -r.
4593         * testsuite/Makefile.am (check_DATA): Add
4594         discard_locals_relocatable_test1.syms,
4595         discard_local_relocatable_test2.syms.
4596         (MOSTLYCLEANFILES): Likewise.  Also add
4597         discard_locals_relocatable_test1.lout and
4598         discard_locals_relocatable_test2.out.
4599         (discard_locals_relocatable_test1.syms): New target.
4600         (discard_locals_relocatable_test.o): New target.
4601         (discard_locals_relocatable_test1.out): New target.
4602         (discard_locals_relocatable_test2.syms): New target.
4603         (discard_locals_relocatable_test2.out): New target.
4604         (various): Add missing ../ld-new dependencies.
4605         * testsuite/Makefile.in: Rebuild.
4606
4607 2010-03-03  Nick Clifton  <[email protected]>
4608
4609         * po/fi.po: New Finnish translation.
4610
4611 2010-03-01  Doug Kwan  <[email protected]>
4612
4613         * layout.cc (Layout::Layout): Force section types of .init_array*,
4614         .preinit_array* and .fini_array* sections.
4615         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4616         Fix check of return value of std::string::find.().
4617         (Output_section::Input_section_sort_compare::operator()): Remove
4618         comment about .init_array.
4619         (Output_section::Input_section_sort_init_fini_compare::operator()):
4620         New method.
4621         (Output_section::sort_attached_input_sections): Handle .init_array
4622         and .fini_array specially.
4623         * output.h (Output_section::Inut_section_sort_compare): Update
4624         comment.
4625         (Output_section::Input_section_sort_init_fini_compare): New struct.
4626
4627 2010-02-26  Doug Kwan  <[email protected]>
4628
4629         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4630         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4631         * testsuite/debug_msg.sh: Avoid matching source line number for
4632         use of global variable undef_int.
4633
4634 2010-02-26  Doug Kwan  <[email protected]>
4635
4636         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4637         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4638         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4639         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4640         * options.cc (General_options::General_options): Initialize member
4641         fix_v4bx_.
4642         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4643         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4644         and rm_no_fix_v4bx.stdout
4645         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4646         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4647         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4648         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4649         and arm_no_fix_v4bx.
4650         * Makefile.in: Regenerate.
4651         * testsuite/arm_fix_v4bx.s: New file.
4652         * testsuite/arm_fix_v4bx.sh: Ditto.
4653
4654 2010-02-24  Doug Kwan  <[email protected]>
4655
4656         * arm.cc (Target_arm::got_section): Make the .got section the first
4657         non RELRO section in the data segment.
4658         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4659         suffixes of section names.
4660
4661 2010-02-24  Doug Kwan  <[email protected]>
4662
4663         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4664         flags and attributes merging if an input file is a binary file.
4665         * fileread.cc (Input_file::open): Record format of original file.
4666         * fileread.h (Input_file::Format): New enum type.
4667         (Input_file::Input_file): Initialize data member format_.
4668         (Input_file::format): New method definition.
4669         (Input_file::format_):: New data member.
4670
4671 2010-02-24  Doug Kwan  <[email protected]>
4672
4673         * arm.cc (Arm_output_data_got): New class.
4674         (ARM_TCB_SIZE): New constant
4675         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4676         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4677         If user uses a script with a SECTIONS clause, issue only a warning
4678         for a misplaced EXIDX input section.  Otherwise, issue an error.
4679         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4680         garbage collection.
4681         (Target_arm::got_mode_index_entry): Handle static linking.
4682         (Target_arm::Scan::local): Ditto.
4683         (Target_arm::Scan::global): Ditto.
4684         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4685         all incorrectly implemented relocations.
4686         (Target_arm::fix_exidx_coverage): Pass layout to
4687         Arm_output_section::fix_exidx_coverage.
4688         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4689         from ".ARM.exidx." and ".ARM.extab.".
4690
4691 2010-02-23  Viktor Kutuzov  <[email protected]>
4692
4693         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4694         section if it does not already exist.
4695         * attributes.cc (Attributes_section_data::Attributes_section_data):
4696         Don't crash if size is zero.
4697
4698 2010-02-23  Viktor Kutuzov  <[email protected]>
4699             Ian Lance Taylor  <[email protected]>
4700
4701         * gold.cc (queue_middle_tasks): If no input files were opened,
4702         exit.
4703         * workqueue.h (Task_function::Task_function): Assert that there is
4704         a blocker.
4705
4706 2010-02-22  Doug Kwan  <[email protected]>
4707
4708         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4709         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4710         types to avoid warnings due to different uint64_t implementations
4711         on different hosts.
4712
4713 2010-02-21  Doug Kwan  <[email protected]>
4714
4715         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4716         handling of the maximum backward branch offset.
4717         (Arm_relocate_functions::thumb_branch_common): Ditto.
4718         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4719         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4720         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4721         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4722         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4723         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4724         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4725         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4726         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4727         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4728         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4729         thumb2_bl_out_of_range.o): New rules.
4730         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4731         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4732         thumb2_bl_out_of_range
4733         * testsuite/Makefile.in: Regenerate.
4734         * testsuite/arm_bl_in_range.s: New file.
4735         * testsuite/arm_bl_out_of_range.s: Ditto.
4736         * testsuite/arm_branch_in_range.sh: Ditto.
4737         * testsuite/arm_branch_range.t: Ditto.
4738         * testsuite/thumb2_branch_range.t: Ditto.
4739         * testsuite/thumb_bl_in_range.s: Ditto.
4740         * testsuite/thumb_bl_out_of_range.s: Ditto.
4741         * testsuite/thumb_branch_range.t: Ditto.
4742
4743 2010-02-20  Sriraman Tallam  <[email protected]>
4744
4745         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4746         Add reloc offset information.
4747         * icf.cc (get_section_contents): Change iterators to point to the new
4748         vectors. Add reloc offset information to the contents.
4749         * icf.h (Icf::Sections_reachable_info): New typedef.
4750         (Icf::Sections_reachable_list): New typedef.
4751         (Icf::Offset_info): New typedef.
4752         (Icf::Reloc_info): New struct typedef.
4753         (Icf::Reloc_info_list): New typedef.
4754         (Icf::symbol_reloc_list): Delete method.
4755         (Icf::addend_reloc_list): Delete method.
4756         (Icf::section_reloc_list): Delete method.
4757         (Icf::reloc_info_list): New method.
4758         (Icf::reloc_info_list_): New member.
4759
4760 2010-02-19  Doug Kwan  <[email protected]>
4761
4762         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4763         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4764         * arm.cc (Arm_relocation_functions): New forward declaration.
4765         (Target_arm::Target_arm): Initialize new data members
4766         got_mod_index_offset_ and tls_base_symbol_defined_.
4767         (Target_arm::Relocate::relocate_tls): New method.
4768         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4769          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4770         New methods.
4771         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4772         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4773         (Target_arm::got_mod_index_offset_,
4774         Target_arm::tls_base_symbol_defined_): New data members.
4775         (Target_arm::Scan::local, Target::Scan::global,
4776         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4777         relocations.
4778
4779 2010-02-18  Doug Kwan  <[email protected]>
4780
4781         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4782         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4783         text section as a parameter becuase some broken tools may not set
4784         the link in section header.
4785         (Target_arm::has_got_section): New method.
4786         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4787         without any mapping symbol as data only.  Remove warning.
4788         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4789         link in its section header, try to discover the link by inspecting the
4790         REL31 relocation at the beginning of the section.
4791         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4792         in error message.
4793         (Target_arm::Scan::global): Treat any reference to the symbol
4794         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4795
4796 2010-02-12  Sriraman Tallam  <[email protected]>
4797
4798         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4799         (Scan::global_reloc_may_be_function_pointer): New function.
4800         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4801         (Scan::global_reloc_may_be_function_pointer): New function.
4802         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4803         (Scan::global_reloc_may_be_function_pointer): New function.
4804         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4805         (Scan::global_reloc_may_be_function_pointer): New function.
4806         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4807         (Scan::global_reloc_may_be_function_pointer): New function.
4808         (Scan::possible_function_pointer_reloc): New function.
4809         (Target_x86_64::can_check_for_function_pointers): New function.
4810         * gc.h (gc_process_relocs): Scan relocation types to determine if
4811         function pointers were taken for targets that support it.
4812         * icf.cc (Icf::find_identical_sections): Include functions for
4813         folding in safe ICF whose pointer is not taken.
4814         * icf.h (Secn_fptr_taken_set): New typedef.
4815         (fptr_section_id_): New member.
4816         (section_has_function_pointers): New function.
4817         (set_section_has_function_pointers): New function.
4818         (check_section_for_function_pointers): New function.
4819         * options.h: Fix comment for safe ICF option.
4820         * target.h (can_check_for_function_pointers): New function.
4821         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4822         Modify icf_safe_test for X86-64.
4823         * testsuite/Makefile.in: Regenerate.
4824         * testsuite/icf_safe_so_test.cc: New file.
4825         * testsuite/icf_safe_so_test.sh: New file.
4826         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4827         (main): Change to take pointer to function kept_func_3.
4828         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4829         folding is done correctly for X86-64.
4830
4831 2010-02-12  David S. Miller  <[email protected]>
4832
4833         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4834         is_symbolless parameter.
4835         (Output_reloc<SHT_REL>::is_symbolless): New.
4836         (Output_reloc<SHT_REL>::is_symbolless_): New.
4837         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4838         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4839         (Output_reloc<SHT_RELA>::is_symbolless): New.
4840         (Output_data_reloc::add_global): Handle is_symbolless.
4841         (Output_data_reloc::add_global_relative): Likewise.
4842         (Output_data_reloc::add_local): Likewise.
4843         (Output_data_reloc::add_local_relative): Likewise.
4844         (Output_data_reloc::add_symbolless_global_addend): New.
4845         (Output_data_reloc::add_symbolless_local_addend): New.
4846         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4847         is_symbolless.
4848         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4849         instead of ->is_relative_
4850         (Output_reloc::write): Likewise.
4851         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4852         (Output_reloc::write_rel): Simplify.
4853
4854         * sparc.cc (Target_sparc::Scan::local): Use
4855         ->add_symbolless_local_addend as needed.
4856         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4857         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4858         based upon relocation offset.
4859
4860 2010-02-11  Doug Kwan  <[email protected]>
4861
4862         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4863         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4864         beginning of function.
4865         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4866         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4867         parameter is_32bit in calls to should_apply_static_reloc.
4868         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4869         (check_DATA): Add arm_abs_global.stdout.
4870         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4871         arm_abs_global.stdout): New rules.
4872         (MOSTLLYCLEANFILES): Add arm_abs_global
4873         * Makefile.in: Regenerate.
4874         * testsuite/arm_abs_global.s: New file.
4875         * testsuite/arm_abs_global.sh: Ditto.
4876         * testsuite/arm_abs_lib.s: Ditto.
4877
4878 2010-02-11  Ian Lance Taylor  <[email protected]>
4879
4880         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4881         Read_relocs task.
4882         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4883         Allocate_commons_task first.
4884         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4885         task, rather than symtab_lock_.
4886         (Gc_process_relocs::~Gc_process_relocs): New function.
4887         (Gc_process_relocs::is_runnable): Check this_blocker_.
4888         (Gc_process_relocs::locks): Use next_blocker_ rather than
4889         blocker_.
4890         (Scan_relocs::~Scan_relocs): New function.
4891         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4892         symtab_lock_.
4893         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4894         next_blocker_.
4895         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4896         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4897         constructor accordingly.
4898         (class Gc_process_relocs): Likewise.
4899         (class Scan_relocs): Likewise.
4900         * common.h (class Allocate_commons_task): Remove symtab_lock_
4901         field, and corresponding constructor parameter.
4902         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4903         symtab_lock_.
4904         (Allocate_commons_task::locks): Likewise.
4905
4906 2010-02-11  Ian Lance Taylor  <[email protected]>
4907
4908         * gold-threads.h (class Once): Define.
4909         (class Initialize_lock): Rewrite as child of Once.
4910         * gold-threads.cc (class Once_initialize): Define.
4911         (once_pointer_control): New static variable.
4912         (once_pointer, once_arg): New static variables.
4913         (c_run_once): New static function.
4914         (Once::Once, Once::run_once, Once::internal_run): New functions.
4915         (class Initialize_lock_once): Remove.
4916         (initialize_lock_control): Remove.
4917         (initialize_lock_pointer): Remove.
4918         (initialize_lock_once): Remove.
4919         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4920         (Initialize_lock::initialize): Rewrite.
4921         (Initialize_lock::do_run_once): New function.
4922         * archive.cc (Archive::interpret_header): Only clear name if it is
4923         not already empty.
4924         * fileread.cc: Include "gold-threads.h"
4925         (file_counts_lock): New static variable.
4926         (file_counts_initialize_lock): Likewise.
4927         (File_read::release): Only increment counts when using --stats.
4928         Use a lock around the increment.
4929         * parameters.cc (class Set_parameters_target_once): Define.
4930         (set_parameters_target_once): New static variable.
4931         (Parameters::Parameters): Move here from parameters.h.
4932         (Parameters::set_target): Rewrite.
4933         (Parameters::set_target_once): New function.
4934         (Parameters::clear_target): Move here and rewrite.
4935         * parameters.h (class Parameters): Update declarations.  Add
4936         set_parameters_target_once_ field.
4937         (Parameters::Parameters): Move to parameters.cc.
4938         (Parameters::clear_target): Likewise.
4939         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4940         task.
4941         (Start_group::~Start_group): New function.
4942         (Start_group::is_runnable): New function.
4943         (Start_group::locks, Start_group::run): New functions.
4944         (Finish_group::run): Change saw_undefined to size_t.
4945         * readsyms.h (class Start_group): Define.
4946         (class Finish_group): Change saw_undefined_ field to size_t.
4947         (Finish_group::Finish_group): Remove saw_undefined and
4948         this_blocker parameters.  Change all callers.
4949         (Finish_group::set_saw_undefined): New function.
4950         (Finish_group::set_blocker): New function.
4951         * symtab.h (class Symbol_table): Change saw_undefined to return
4952         size_t.  Change saw_undefined_ field to size_t.
4953         * target-select.cc (Set_target_once::do_run_once): New function.
4954         (Target_selector::Target_selector): Initialize set_target_once_
4955         field.  Don't initialize lock_ and initialize_lock_ fields.
4956         (Target_selector::instantiate_target): Rewrite.
4957         (Target_selector::set_target): New function.
4958         * target-select.h (class Set_target_once): Define.
4959         (class Target_selector): Update declarations.  Make
4960         Set_target_once a friend.  Remove lock_ and initialize_lock_
4961         fields.  Add set_target_once_ field.
4962
4963 2010-02-10  Ian Lance Taylor  <[email protected]>
4964
4965         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4966         queueing any tasks.
4967         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4968         (queue_middle_tasks): Add all blockers before queueing any tasks.
4969         (queue_final_tasks): Likewise.
4970         * token.h (Task_token::add_blockers): New function.
4971         * object.h (Input_objects::number_of_relobjs): New function.
4972
4973 2010-02-10  Ian Lance Taylor  <[email protected]>
4974
4975         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4976         shared, not if not position independent.
4977         * x86_64.cc (Relocate::relocate_tls): Likewise.
4978         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4979         (tls_pie_pic_test): New target.
4980         * testsuite/Makefile.in: Rebuild.
4981
4982         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4983         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4984         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4985         * testsuite/Makefile.in: Rebuild.
4986
4987 2010-02-09  David S. Miller  <[email protected]>
4988
4989         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4990         R_SPARC_RELATIVE using ->add_local_relative().
4991         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4992
4993         * output.h (Output_data_dynamic::add_section_size): New method
4994         that takes two Output_data objects.
4995         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4996         entry param.  Handle it in initializers.
4997         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4998         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4999         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5000         arg.
5001         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5002         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5003         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5004         for dynrel_includes_plt.
5005         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5006         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5007         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5008         before .rela.plt
5009         (Target_sparc::do_finalize_sections): Update to pass true for
5010         dynrel_includes_plt.
5011         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5012         output before .rela.plt
5013         (Target_powerpc::do_finalize_sections): Update to pass true for
5014         dynrel_includes_plt when 32-bit.
5015
5016 2010-02-08  Doug Kwan  <[email protected]>
5017
5018         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5019         method.
5020         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5021         Arm_relobj::scan_section_for_cortex_a8_stubs,
5022         Arm_relobj::do_relocation_section): Instead of calling
5023         Output_section::output_address, use faster
5024         Arm_relobj::simple_input_section_output_address.
5025
5026 2010-02-08  David S. Miller  <[email protected]>
5027
5028         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5029         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5030         relocation helper function.
5031
5032         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5033         just like R_SPARC_GOT{10,13,22}.
5034         (Target_sparc::Scan::local): Likewise.
5035         (Target_sparc::Relocate:relocate): Likewise.
5036
5037 2010-02-06  Ian Lance Taylor  <[email protected]>
5038
5039         * configure.ac: Rewrite targetobjs duplicate removal code to use
5040         only shell constructs.
5041         * configure: Rebuild.
5042
5043 2010-02-05  Doug Kwan  <[email protected]>
5044
5045         PR 11247
5046         * arm.cc (Arm_relobj::section_is_scannable): New method.
5047         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5048         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5049
5050 2010-02-04  Doug Kwan  <[email protected]>
5051
5052         PR 11247
5053         * arm-reloc-property.cc (cstdio): Include.
5054         * configure.ac (targetobjs): Remove duplicates.
5055         * configure: Regenerate.
5056         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5057         big and little endian version for a given address size.
5058
5059 2010-02-03  Doug Kwan  <[email protected]>
5060
5061         * arm-reloc-property.cc
5062         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5063         definition.
5064         * arm-reloc-property.h
5065         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5066         New method definition.
5067         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5068         declaration.
5069         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5070         overflow to N.
5071         (GOT_PREL): Change implemented to Y.
5072         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5073         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5074         (Arm_relocate_functions::movw_abs_nc): Remove method.
5075         (Arm_relocate_functions::movt_abs): Ditto.
5076         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5077         (Arm_relocate_functions::thm_movt_abs): Ditto.
5078         (Arm_relocate_functions::movw_rel_nc): Ditto.
5079         (Arm_relocate_functions::movw_rel): Ditto.
5080         (Arm_relocate_functions::movt_rel): Ditto.
5081         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5082         (Arm_relocate_functions:thm_movw_rel): Ditto.
5083         (Arm_relocate_functions:thm_movt_rel): Ditto.
5084         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5085         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5086         New method definitions.
5087         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5088         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5089         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5090         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5091         (Target_arm::Relocate::relocate): Check for non-static or
5092         unimplemented relocation code and exit early.  Change calls to
5093         Target_arm::reloc_uses_thumb_bit and
5094         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5095         instead.  Refactor code to handle similar relocations to increase
5096         code sharing.  Remove check for unsupported relocation code in switch
5097         statement.
5098         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5099         relocation property table to find out size.  Change error message to
5100         print out the name of a relocation code instead of the numeric value.
5101         (Target_arm::scan_reloc_for_stub): Use relocation property table
5102         instead of calling Target_arm::reloc_uses_thumb_bit().
5103
5104 2010-02-02  Doug Kwan  <[email protected]>
5105
5106         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5107         types of relaxed input section.
5108
5109 2010-02-02  Doug Kwan  <[email protected]>
5110
5111         * Makefile.am (HFILES): Add arm-reloc-property.h.
5112         (DEFFILES): New.
5113         (TARGETSOURCES): Add arm-reloc-property.cc
5114         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5115         (libgold_a_SOURCES): $(DEFFILES)
5116         * Makefile.in: Regenerate.
5117         * arm-reloc-property.cc: New file.
5118         * arm-reloc-property.h: New file.
5119         * arm-reloc.def: New file.
5120         * arm.cc: Update comments.
5121         (arm-reloc-property.h): New included header.
5122         (arm_reloc_property_table): New global variable.
5123         (Target_arm::do_select_as_default_target): New method definition.
5124         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5125         arm-reloc-property to targ_extra_obj.
5126         * parameters.cc (set_parameters_target): Call
5127         Target::select_as_default_target().
5128         * target.h (Target::select_as_default_target): New method definition.
5129         (Target::do_select_as_default_target): Same.
5130
5131 2010-02-01  Doug Kwan  <[email protected]>
5132
5133         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5134         first_output_text_section_.
5135         (Arm_exidx_fixup::first_output_text_section): New method definition.
5136         (Arm_exidx_fixup::first_output_text_section_): New data member.
5137         (Arm_exidx_fixup::process_exidx_section): Record the first text
5138         output section seen.
5139         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5140         and entsize in output section header.
5141
5142 2010-01-29  Viktor Kutuzov  <[email protected]>
5143
5144         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5145         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5146         (Arm_relocate_functions::thm_alu11): New Method.
5147         (Arm_relocate_functions::thm_pc8): New Method.
5148         (Arm_relocate_functions::thm_pc12): New Method.
5149         (Target_arm::Scan::local): Handle the relocations.
5150         (Target_arm::Scan::global): Likewise.
5151         (Target_arm::Relocate::relocate): Likewise.
5152         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5153
5154 2010-01-29  Doug Kwan  <[email protected]>
5155
5156         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5157         of relocation types as ld.
5158
5159 2010-01-29  Doug Kwan  <[email protected]>
5160
5161         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5162         to public.
5163         (Arm_relocate_functions::thumb_branch_common): Ditto.
5164         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5165         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5166         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5167         Arm_relocate_functions::jump24): Remove.
5168         (Target_arm::Relocate::relocate): Adjust code to call
5169         Arm_relocation_functions::arm_branch_common and
5170         Arm_relocation_functions::thumb_branch_common instead of their removed
5171         wrappers.  Merge switch-cases together to reduce source code size.
5172
5173 2010-01-29  Doug Kwan  <[email protected]>
5174
5175         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5176         output_local_symbol_count_needs_update_.
5177         (Arm_relobj::output_local_symbol_count_needs_update,
5178          Arm_relobj::set_output_local_symbol_count_needs_update,
5179          Arm_relobj::update_output_local_symbol_count): New methods.
5180         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5181         member.
5182         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5183         of pointed function as in a R_ARM_PREL31 relocation.
5184         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5185         for output local symbol count updating.
5186         (Target_arm::do_relax): Update output local symbol counts in objects
5187         if necessary.
5188         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5189
5190 2010-01-29  Viktor Kutuzov  <[email protected]>
5191
5192         * arm.cc: Added support for the ARM relocations:
5193         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5194         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5195         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5196         movw_prel_nc).
5197         (Arm_relocate_functions::movw_rel): New method.
5198         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5199         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5200         thm_movw_prel_nc).
5201         (Arm_relocate_functions::thm_movw_rel): New method.
5202         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5203         thm_movt_prel).
5204         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5205         relocations.
5206         (Target_arm::Scan::global): Likewise.
5207         (Target_arm::Relocate::relocate): Likewise.
5208         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5209         Likewise.
5210
5211 2010-01-27  Viktor Kutuzov  <[email protected]>
5212
5213         * arm.cc: Added support for ARM group relocations.
5214         (Target_arm::reloc_needs_sym_origin): New method.
5215         (Arm_relocate_functions::calc_grp_kn): New method.
5216         (Arm_relocate_functions::calc_grp_residual): New method.
5217         (Arm_relocate_functions::calc_grp_gn): New method.
5218         (Arm_relocate_functions::arm_grp_alu): New Method.
5219         (Arm_relocate_functions::arm_grp_ldr): New Method.
5220         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5221         (Arm_relocate_functions::arm_grp_ldc): New Method.
5222         (Target_arm::Scan::local): Handle the ARM group relocations.
5223         (Target_arm::Scan::global): Likewise.
5224         (Target_arm::Relocate::relocate): Likewise.
5225         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5226         Likewise.
5227
5228 2010-01-26  Doug Kwan  <[email protected]>
5229
5230         * arm.cc (set): Include.
5231         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5232         pointer type.
5233         (Arm_output_section::Text_section_list): New type.
5234         (Arm_output_section::append_text_sections_to_list): New method.
5235         (Arm_output_section::fix_exidx_coverage): Ditto.
5236         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5237         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5238         Relobj::set_section_offset() instead of
5239         Sized_relobj::invalidate_section_offset().
5240         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5241         parameter for section headers. Ignore relocation sections for
5242         unallocated sections and EXIDX sections.
5243         (Target_arm::fix_exidx_coverage): New method.
5244         (Target_arm::output_section_address_less_than): New type.
5245         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5246         linked text section instead of the EXIDX section.
5247         (Arm_output_section::create_stub_group): Add an assertion to check
5248         that this is not an EXIDX output section.
5249         (Arm_output_section::append_text_sections_to_list): New method.
5250         (Arm_output_section::fix_exidx_coverage): Ditto.
5251         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5252         Arm_relobj::section_needs_reloc_stub_scanning.
5253         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5254         first pass.
5255         (Target_arm::fix_exidx_coverage): New method.
5256         * object.h (Relobj::set_output_section): New method.
5257         (Sized_relobj::invalidate_section_offset): Remove method.
5258         (Sized_relobj::do_invalidate_section_offset): Remove method.
5259         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5260
5261 2010-01-25  Doug Kwan  <[email protected]>
5262
5263         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5264         Fix warning due to signed and unsigned comparison on a 32-bit host.
5265
5266 2010-01-22  Doug Kwan  <[email protected]>
5267
5268         * arm.cc (Target_arm::do_relax): Record an output section for section
5269         offset adjustment it contains any stub table that has changed.
5270         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5271         offsets in an output section if necessary.
5272         * output.cc (Output_section::Output_section): Initialize
5273         section_offsets_need_adjustments_.
5274         (Output_section::add_input_section_for_script): Renamed to
5275         Output_section::add_simple_input_section.
5276         (Output_section::save_states): Add a comment.
5277         (Output_section::discard_states): New method defintion.
5278         (Output_section::adjust_section_offsets): Same.
5279         * output.h (Output_section::add_input_section_for_script): Renamed to
5280         Output_section::add_simple_input_section.
5281         (Output_section::discard_states): New method declaration.
5282         (Output_section::adjust_section_offsets): Same.
5283         (Output_section::section_offsets_need_adjustment,
5284         Output_section::set_section_offsets_need_adjustment): New method
5285         definitions.
5286         (Output_section::section_offsets_need_adjustment_): New data member.
5287         * script-sections.cc
5288         (Output_section_element_input::set_section_address): Adjust code for
5289         renaming of Output_section::add_input_section_for_script.
5290         (Orphan_output_section::set_section_address): Same.
5291
5292 2010-01-22  Viktor Kutuzov  <[email protected]>
5293
5294         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5295         Fix_v4bx enum values .
5296         * gold/options.h (General_options): New option definitions.
5297         (General_options::fix_v4bx): New method.
5298         (General_options::Fix_v4bx): New enum.
5299         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5300         (General_options::parse_fix_v4bx_interworking): New method.
5301
5302 2010-01-22  Doug Kwan  <[email protected]>
5303
5304         * arm.cc (Arm_exidx_fixup): New class.
5305
5306 2010-01-21  Doug Kwan  <[email protected]>
5307
5308         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5309         classes.
5310         (Arm_exidx_section_offset_map): New type.
5311
5312 2010-01-21  Doug Kwan  <[email protected]>
5313
5314         * arm.cc (Arm_exidx_input_section): New class.
5315         (Arm_relobj::exidx_input_section_by_link,
5316         Arm_relobj::exidx_input_section_by_shndx,
5317         Arm_relobj::make_exidx_input_section): New methods.
5318         (read_arm_attributes_section): Remove.
5319         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5320         information about them.
5321         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5322         to here.
5323
5324 2010-01-20  Doug Kwan  <[email protected]>
5325
5326         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5327         Input_section_specifier to Section_id.
5328         (Target_arm::new_arm_input_section: Adjust code for change of key
5329         type.
5330         (Target_arm::find_arm_input_section): Ditto.
5331         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5332         (Section_id): Remove.
5333         (Garbage_collection::Section_id_hash): Remove.
5334         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5335         (Section_id): Remove.
5336         (Icf::Section_id_hash): Remove.
5337         * object.h (Section_id, Const_section_id, Section_id_hash,
5338         Const_section_id_hash): New type definitions.
5339         * output.cc (Output_section::add_relaxed_input_section): Change to
5340         use Const_section_id instead of Input_section_specifier as key type.
5341         (Output_section::add_merge_input_section): Ditto.
5342         (Output_section::build_relaxation_map): Change to use Section_id
5343         instead of Input_section_specifier as key type.
5344         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5345         Ditto.
5346         (Output_section::convert_input_sections_to_relaxed_sections): Change
5347         to use Const_section_id instead of Input_section_specifier as key type.
5348         (Output_section::find_merge_section): Ditto.
5349         (Output_section::find_relaxed_input_section): Ditto.
5350         * output.h (Input_section_specifier): Remove class.
5351         (Output_section::Output_section_data_by_input_section_map): Change
5352         key type to Const_section_id.
5353         (Output_section::Output_relaxed_input_section_by_input_section_map):
5354         Ditto.
5355         (Output_section::Relaxation_map): Change key type to Section_id.
5356
5357 2010-01-20  Viktor Kutuzov  <[email protected]>
5358
5359         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5360         (class Arm_v4bx_stub): New class.
5361         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5362         (Stub_factory::make_arm_v4bx_stub): New method.
5363         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5364         (Stub_table::empty): Handle v4bx stubs.
5365         (Stub_table::add_arm_v4bx_stub): New method.
5366         (Stub_table::find_arm_v4bx_stub): New method.
5367         (Arm_relocate_functions::v4bx): New method.
5368         (Target_arm::fix_v4bx): New method.
5369         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5370         (Stub_table::relocate_stubs): Likewise.
5371         (Stub_table::do_write): Likewise.
5372         (Stub_table::update_data_size_and_addralign): Likewise.
5373         (Stub_table::finalize_stubs):  Likewise.
5374         (Target_arm::Scan::local): Likewise.
5375         (Target_arm::Scan::global): Likewise.
5376         (Target_arm::do_finalize_sections): Likewise.
5377         (Target_arm::Relocate::relocate): Likewise.
5378         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5379         Likewise.
5380         (Target_arm::scan_reloc_for_stub): Likewise.
5381         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5382
5383 2010-01-19  Ian Lance Taylor  <[email protected]>
5384
5385         * output.cc (Output_section_headers::do_sized_write): Write large
5386         segment count to sh_info field.
5387         (Output_file_header::do_sized_write): For large segment count,
5388         write PN_XNUM to e_phnum field.
5389
5390 2010-01-15  Viktor Kutuzov  <[email protected]>
5391
5392         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5393         (Arm_relocate_functions::thm_jump8): New function.
5394         (Arm_relocate_functions::thm_jump11): New function.
5395         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5396         R_ARM_THM_JUMP11.
5397         (Target_arm::Scan::global): Likewise.
5398         (Target_arm::Relocate::relocate): Likewise.
5399         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5400         Likewise.
5401
5402 2010-01-14  Doug Kwan  <[email protected]>
5403
5404         * arm.cc (map, utility): Include headers.
5405         (Target_arm::apply_cortex_a8_workaround): New method.
5406         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5407         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5408         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5409         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5410         the --[no-]fix-cortex-a8 command line options.
5411         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5412         (Target_arm::relocate_stub): Use addend in instruction template.
5413         * options.h (DEFINE_bool): Set the user-set flag.
5414         (General_options): Add --[no-]-fix-cortex options.
5415         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5416         : Update fast look-up map after conversion.
5417
5418 2010-01-14  Sriraman Tallam  <[email protected]>
5419
5420         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5421         in the first pass of do_layout.
5422
5423 2010-01-13  Doug Kwan  <[email protected]>
5424
5425         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5426         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5427         apparent compiler problem of not folding static constant integral
5428         data members of elfcpp::Elf_sizes<32>.
5429
5430 2010-01-13  Doug Kwan  <[email protected]>
5431
5432         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5433         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5434         Arm_relobj::scan_section_for_cortex_a8_erratum,
5435         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5436         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5437         sections to scan for relocation stubs into a new method
5438         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5439         relocation and Cortex-A8 stub scanning.
5440         (Target_arm::do_relax): Force stubs to be after stubbed sections
5441         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5442         the beginning of a new relaxation pass.  Update a comment.
5443         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5444
5445 2010-01-12  Ian Lance Taylor  <[email protected]>
5446
5447         * target-reloc.h (visibility_error): New inline function.
5448         (relocate_section): Call visibility_error.
5449         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5450         (MOSTLYCLEANFILES): Likewise.
5451         (protected_4_pic.o, protected_3.err): New targets.
5452         * testsuite/protected_4.cc: New file.
5453
5454 2010-01-12  Doug Kwan  <[email protected]>
5455
5456         * arm.cc (Cortex_a8_reloc): New class.
5457         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5458         and cortex_a8_relocs_info_.
5459         (Target_arm::fix_cortex_a8): New method definition.
5460         (Target_arm::Cortex_a8_relocs_info): New type.
5461         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5462         New data member declarations.
5463         (Target_arm::scan_reloc_for_stub): Record information about
5464         relocations for THUMB branches that might be exempted from the
5465         Cortex-A8 workaround.
5466         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5467         at the beginning of a relaxation pass.
5468
5469 2010-01-12  Doug Kwan  <[email protected]>
5470
5471         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5472         (Arm_relobj::Mapping_symbol_position,
5473          Arm_reloj::Mapping_symbol_position_less,
5474          Arm_relobj::Mapping_symbols_info): New types.
5475         (Target_arm::is_mapping_symbol_name): New method definition.
5476         (Arm_relobj::do_count_local_symbols): Save information about mapping
5477         symbols.
5478
5479 2010-01-11  Doug Kwan  <[email protected]>
5480
5481         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5482         Arm_relocate_functions::thumb32_branch_upper,
5483         Arm_relocate_functions::thumb32_branch_lower,
5484         Arm_relocate_functions::thumb32_cond_branch_offset,
5485         Arm_relocate_functions::thumb32_cond_branch_upper,
5486         Arm_relocate_functions::thumb32_cond_branch_lower,
5487         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5488         branch offset encoding.
5489         (Arm_relocate_functions::thumb_branch_common): Use new branch
5490         offset encoding methods to avoid code duplication.
5491         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5492         (Stub_addend_reader::operator()): Use new branch encoding method
5493         to avoid code duplication.
5494
5495 2010-01-11  Doug Kwan  <[email protected]>
5496
5497         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5498         (Target_arm::do_finalize_sections): Define special EXIDX section
5499         symbols only if referenced.
5500         * gc.h (Garbage_collection::add_reference): New method.
5501         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5502         code duplication.
5503
5504 2010-01-11  Ian Lance Taylor  <[email protected]>
5505
5506         * script.cc (Version_script_info::build_expression_list_lookup):
5507         Change complaing about duplicate wildcard match from error to
5508         warning.
5509
5510         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5511         of 2009-12-30.
5512         (Version_script_info::Version_script_info): Initialize globs_,
5513         default_version_, default_is_global_, and exact_.  Don't
5514         initialize globals_ or locals_.
5515         (Version_script_info::build_lookup_tables): Build local symbols
5516         first.
5517         (Version_script_info::unquote): New function.
5518         (Version_script_info::add_exact_match): New function.
5519         (Version_script_info::build_expression_list_lookup): Remove lookup
5520         parameter.  Add is_global parameter.  Change all callers.  Handle
5521         wildcard pattern specially.  Unquote pattern.  Call
5522         add_exact_match.
5523         (Version_script_info::get_name_to_match): New function.
5524         (Version_script_info::get_symbol_version): New function.
5525         (Version_script_info::get_symbol_version_helper): Remove.
5526         (Version_script_info::check_unmatched_names): Call unquote.
5527         * script.h (class Version_script_info): Change get_symbol_version
5528         to be non-inline and add is_global parameter; change all callers.
5529         Rewrite symbol_is_local.  Update declarations.  Define struct
5530         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5531         Remove globals_ and locals_ members.  Add exact_, globs_,
5532         default_version_, is_global_.
5533         (Version_script_info::Glob): Remove pattern, add expression and
5534         is_global.  Update constructor.  Change all callers.
5535         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5536         default version.
5537         (Versions::symbol_section_contents): If a symbol is undefined, or
5538         defined in a dynamic object, set the version index to
5539         VER_NDX_LOCAL.
5540         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5541         symbol_is_local.
5542         (Symbol_table::add_from_pluginobj): Likewise.
5543         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5544
5545 2010-01-11  Doug Kwan  <[email protected]>
5546
5547         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5548         (incremental_dump_LDADD): Add linking option for libintl.
5549         * Makefile.in: Regenerate.
5550
5551 2010-01-11  H.J. Lu  <[email protected]>
5552
5553         PR gold/11144
5554         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5555         instead of -Ds.
5556         * testsuite/Makefile.in: Regenerated.
5557
5558 2010-01-10  Doug Kwan  <[email protected]>
5559
5560         * options.h (DEFINE_var): Use parentheses around argument varname__
5561         in macro body to avoid any unintended subsequent substitutions.
5562
5563 2010-01-10  Ian Lance Taylor  <[email protected]>
5564
5565         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5566         candidates before doing symbol resolution.
5567
5568         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5569         ODR candidates if only one is weak.
5570
5571 2010-01-08  Ian Lance Taylor  <[email protected]>
5572
5573         * script.cc (Version_script_info::build_expression_list_lookup):
5574         Don't warn about ambiguous version, just record the ambiguity.
5575         (Version_script_info::get_symbol_version_helper): Give error if
5576         version is ambiguous.
5577
5578 2010-01-08  Doug Kwan  <[email protected]>
5579
5580         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5581           prev_data_size_ and prev_addralign_.  Remove initializer for
5582           deleted data member has_been_changed_.
5583           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5584           to determine if the table is empty.
5585           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5586           Remove.
5587           (Stub_table::add_reloc_stub): Define method in class definition
5588           instead of just declaring it there.
5589           (Stub_table::add_cortex_a8_stub): New method definition.
5590           (Stub_table::update_data_size_and_addralign): Ditto.
5591           (Stub_table::finalize_stubs): Ditto.
5592           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5593           (Stub_table::do_addralign_): Return address alignment in the
5594           (Stub_table::do_reset_address_and_file_offset): Define method in
5595           class definition instead of declaring it there.  Set current data
5596           size to be the data size of the previous pass.
5597           (Stub_table::set_final_data_size): Use current data size as the
5598           final data size.
5599           (Stub_table::relocate_stub): Change parameter type of stub from
5600           Reloc_stub pointer to Stub pointer.
5601           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5602           (Stub_table::Cortex_a8_stub_list): New typedef.
5603           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5604            Stub_table::prev_addralign_): New data member.
5605           (Arm_relobj::Arm_relobj): Initialize data member
5606           section_has_cortex_a8_workaround_.
5607           (Arm_relobj::section_has_cortex_a8_workaround,
5608            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5609            definitions.
5610           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5611           declarations.
5612           (Target_arm::relocate_stub): Change parameter type of stub from
5613           Reloc_stub pointer to Stub pointer.
5614           (Insn_template::size, Insn_template::alignment): Handle
5615           THUMB16_SPECIAL_TYPE.
5616           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5617            Stub_table::update_data_size_and_addralign,
5618            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5619           definitions.
5620           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5621           (Stub_table::do_write): Ditto.
5622           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5623
5624 2010-01-08  Ian Lance Taylor  <[email protected]>
5625
5626         PR 11108
5627         * symtab.h (class Symbol): Remove fields is_target_special_ and
5628         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5629         (Symbol::is_defined_in_discarded_section): New function.
5630         (Symbol::set_is_defined_in_discarded_section): New function.
5631         (Symbol::has_plt_offset): Rewrite.
5632         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5633         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5634         Don't initialize is_target_special_ or has_plt_offset_.
5635         Initialize is_defined_in_discarded_section_.
5636         (Symbol_table::add_from_relobj): If appropriate, set
5637         is_defined_in_discarded_section.
5638         * resolve.cc (Symbol::override_base_with_special): Don't test
5639         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5640         * target-reloc.h (relocate_section): Do special handling for
5641         symbols defined in discarded sections for global symbols as well
5642         as local symbols.
5643
5644 2010-01-08  Ian Lance Taylor  <[email protected]>
5645
5646         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5647         the SHT_SYMTAB case.
5648
5649 2010-01-08  Ian Lance Taylor  <[email protected]>
5650
5651         * object.cc (Sized_relobj::do_layout): Don't get confused if
5652         layout_eh_frame returns NULL.
5653
5654 2010-01-08  Ian Lance Taylor  <[email protected]>
5655
5656         PR 11084
5657         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5658         dynamic symbol table, use the normal symbol table.
5659         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5660         symbol table.
5661
5662 2010-01-08  Ian Lance Taylor  <[email protected]>
5663
5664         PR 11072
5665         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5666         sections.
5667
5668 2010-01-08  H.J. Lu  <[email protected]>
5669
5670         * version.cc (print_version): Change to "Copyright 2010".
5671
5672 2010-01-08  Ian Lance Taylor  <[email protected]>
5673
5674         PR 10287
5675         PR 11063
5676         * i386.cc (class Target_i386): Change return type of plt_section
5677         to be non-const.
5678         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5679         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5680         tls_desc_rel_ field.
5681         (Output_data_plt_i386::rel_tls_desc): New function.
5682         (Target_i386::rel_tls_desc_section): New function.
5683         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5684         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5685         R_386_TLS_DESC reloc in rel_tls_desc_section.
5686         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5687         Define struct Tlsdesc_info.
5688         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5689         (Target_x86_64::do_reloc_symbol_index): New function.
5690         (Target_x86_64::add_tlsdesc_info): New function.
5691         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5692         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5693         tlsdesc_rel_ field.
5694         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5695         all callers.
5696         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5697         (Target_x86_64::rela_tlsdesc_section): New function.
5698         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5699         handling.
5700         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5701         (Target_x86_64::do_reloc_addend): New function.
5702         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5703         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5704         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5705         (Output_reloc::type): New function.
5706         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5707         (Output_reloc::is_target_specific): New function.
5708         (Output_reloc::target_arg): New function.
5709         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5710         absolute relocs and target specific relocs.
5711         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5712         add_target_specific.
5713         (class Output_data_reloc) [SHT_RELA]: Likewise.
5714         * output.cc (Output_reloc::Output_reloc): Add four new versions
5715         for absolute relocs and target specific relocs.
5716         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5717         (Output_reloc::get_symbol_index): Likewise.
5718         (Output_reloc::local_section_offset): Check that local_sym_index_
5719         is not TARGET_CODE or 0.
5720         (Output_reloc::symbol_value): Likewise.
5721         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5722         reloc.
5723         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5724         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5725         functions.
5726         * layout.cc (add_target_dynamic_tags): Use output section for
5727         DT_PLTRELSZ and DT_JMPREL.
5728
5729 2010-01-07  Ian Lance Taylor  <[email protected]>
5730
5731         PR 11061
5732         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5733         function.
5734         (class Output_data_reloc_generic): Define.
5735         (class Output_data_reloc_base): Change base class to
5736         Output_data_reloc_generic.  Change add() method to call
5737         bump_relative_reloc_count for a relative reloc.  Remove
5738         sort_relocs_ field.
5739         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5740         to sort_relocs().
5741         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5742         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5743         appropriate.
5744         * layout.h (class Layout): Update declaration.
5745
5746 2010-01-07  Ian Lance Taylor  <[email protected]>
5747
5748         * output.h (class Output_data): Add const version of
5749         output_section and do_output_section.
5750         (class Output_section_data): Add const version of
5751         do_output_section.
5752         (class Output_section): Likewise.
5753         * layout.cc (Layout::add_target_dynamic_tags): New function.
5754         * layout.h (class Layout): Update declarations.
5755         * arm.cc (Target_arm::do_finalize_sections): Use
5756         add_target_dynamic_tags.
5757         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5758         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5759         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5760         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5761
5762 2010-01-07  Ian Lance Taylor  <[email protected]>
5763
5764         PR 11042
5765         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5766         object as needed.
5767
5768 2010-01-07  Dmitry Gorbachev  <[email protected]>
5769             Ian Lance Taylor  <[email protected]>
5770
5771         PR 11019
5772         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5773         Xindex::read_symtab_xindex.
5774
5775 2010-01-07  Doug Kwan  <[email protected]>
5776
5777         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5778         (Insn_template::thumb16_bcond_insn): New method declaration.
5779         (Insn_template): Fix spelling.
5780         (Stub::thumb16_special): New method declaration.
5781         (Stub::do_write): Define virtual method which was previously pure
5782         virtual.
5783         (Stub::do_thumb16_special): New method declaration.
5784         (Stub::do_fixed_endian_write): New template member.
5785         (Reloc_stub::do_write): Remove.
5786         (Reloc_stub::do_fixed_endian_write): Remove.
5787         (Cortex_a8_stub): New class definition.
5788         (Stub_factory::make_cortex_a8_stub): New method definition.
5789         (Stub_factory::Stub_factory): Add missing static storage class
5790         qualifier for elf32_arm_stub_a8_veneer_blx.
5791
5792 2010-01-07  Ian Lance Taylor  <[email protected]>
5793
5794         PR 10980
5795         * options.h (class General_options): Add --warn-unresolved-symbols
5796         and --error-unresolved-symbols.
5797         * errors.cc (Errors::undefined_symbol): Implement
5798         --warn-unresolved-symbols.
5799
5800         * options.h (class General_options): Add -z text and -z textoff.
5801         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5802
5803 2010-01-06  Sriraman Tallam  <[email protected]>
5804
5805         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5806         (Garbage_collection::cident_sections): New function.
5807         (Garbage_collection::add_cident_section): New function.
5808         (Garbage_collection::cident_sections_): New member.
5809         (gc_process_relocs): Add references to sections whose names are C
5810         identifiers.
5811         * gold.h (cident_section_start_prefix): New constant.
5812         (cident_section_stop_prefix): New constant.
5813         (is_cident): New function.
5814         * layout.cc (Layout::define_section_symbols): Replace string constants
5815         with the newly defined constants.
5816         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5817         C identifiers.
5818         * testsuite/Makefile.am: Add gc_orphan_section_test.
5819         * testsuite/Makefile.in: Regenerate.
5820         * testsuite/gc_orphan_section_test.cc: New file.
5821         * testsuite/gc_orphan_section_test.sh: New file.
5822
5823 2010-01-06  Ian Lance Taylor  <[email protected]>
5824
5825         PR 10980
5826         * options.h (class General_options): Add --warn-shared-textrel.
5827         * layout.cc (Layout::finish_dynamic_section): Implement
5828         --warn-shared-textrel.
5829
5830         PR 10980
5831         * options.h (class General_options): Add --warn-multiple-gp.
5832
5833 2010-01-06  Viktor Kutuzov  <[email protected]>
5834
5835         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5836         $(THREADSLIB) and $(LIBDL).
5837         * Makefile.in: Rebuild.
5838
5839 2010-01-06  Ian Lance Taylor  <[email protected]>
5840
5841         PR 10980
5842         * options.cc (General_options::parse_section_start): New function.
5843         (General_options::section_start): New function.
5844         (General_options::General_options): Initialize all members.
5845         * options.h: Include <map>
5846         (class General_options): Add --section-start.  Add section_starts_
5847         member.
5848         * layout.cc (Layout::attach_allocated_section_to_segment): If
5849         --section-start was used, set the address of the segment.  Remove
5850         local sort_sections.
5851         (Layout::relaxation_loop_body): If the address of the load segment
5852         has been set by --section-start, don't use it.
5853         * output.h (Output_segment::update_flags_for_output_section): New
5854         function.
5855         * output.cc (Output_segment::add_output_section): Call
5856         update_flags_for_output_section.
5857
5858 2010-01-05  Ian Lance Taylor  <[email protected]>
5859
5860         PR 10980
5861         * options.h (class General_options): Add --undefined-version.
5862         * script.cc (struct Version_expression): Add was_matched_by_symbol
5863         field.
5864         (Version_script_info::matched_symbol): New function.
5865         (Version_script_info::get_symbol_version_helper): Call
5866         matched_symbol.
5867         (Version_script_info::check_unmatched_names): New function.
5868         * script.h (class Version_script_info): Update declarations.
5869         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5870
5871         * options.h (class General_options): Use DEFINE_bool_alias for
5872         allow_multiple_definition.
5873         * resolve.cc (Symbol_table::should_override): Don't test
5874         allow_multiple_definition.
5875
5876         PR 10980
5877         * options.h (class General_options): Add --cref.
5878         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5879         until after printing cref table.
5880         * cref.cc: Include "symtab.h".
5881         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5882         (Cref_table_compare::operator()): New function.
5883         (Cref_inputs::gather_cref): New function.
5884         (filecol): New static const.
5885         (Cref_inputs::print_cref): New function.
5886         (Cref::print_cref): New function.
5887         * cref.h: Include <cstdio>.
5888         (class Cref): Update declarations.
5889         * mapfile.h (Mapfile::file): New function.
5890         * object.h (class Object): Define Symbols.  Declare virtual
5891         do_get_global_symbols.
5892         (Object::get_global_symbols): New function.
5893         * object.cc (Input_objects::add_object): Pass object to cref_ if
5894         --cref.
5895         (Input_objects::archive_start): Likewise.
5896         (Input_objects::archive_stop): Likewise.
5897         (Input_objects::print_cref): New function.
5898         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5899         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5900         --cref.
5901         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5902         function.
5903         * plugin.h (class Sized_pluginobj): Update declarations.
5904
5905 2010-01-05  Ian Lance Taylor  <[email protected]>
5906
5907         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5908         to is_default_version.  Rename insdef to insdefault.
5909         (Symbol_table::add_from_relobj): Rename def to is_default_version
5910         and local to is_forced_local.
5911         (Symbol_table::add_from_pluginobj): Likewise.
5912         (Symbol_table::add_from_dynobj): Likewise.
5913         (Symbol_table::define_special_symbol): Rename insdef to
5914         insdefault.
5915
5916 2010-01-04  Ian Lance Taylor  <[email protected]>
5917
5918         PR 10980
5919         * options.h (class General_options): Add
5920         --allow-multiple-definition and -z muldefs.
5921         * resolve.cc (Symbol_table::should_override): Don't warn about a
5922         multiple symbol definition if --allow-multiple-definition or -z
5923         muldefs.
5924
5925         PR 10980
5926         * options.h (class General_options): Add --add-needed and
5927         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5928         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5929         error if --copy-dt-needed-entries aka --add-needed is used and
5930         would cause a change in behaviour.
5931
5932         PR 10980
5933         * options.h (class General_options): Add -G as a short version of
5934         --shared.  Add no-op options -assert, -g, and -i.
5935
5936 2010-01-04  Sriraman Tallam  <[email protected]>
5937
5938         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5939         check for .text or .gnu.linkonce.t sections.
5940         * icf.cc (Icf::find_identical_sections): Ditto.
5941         Change the detection for mangled function name within the section
5942         name.
5943         * icf.h (is_section_foldable_candidate): New function.
5944
5945 2009-12-30  Ian Lance Taylor  <[email protected]>
5946
5947         PR 10980
5948         * options.h (class General_options): Permit two dashes with
5949         --retain-symbols-file.
5950
5951 2009-12-30  Ian Lance Taylor  <[email protected]>
5952
5953         PR 10979
5954         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5955         don't put the file header and segment headers in the text
5956         segment.
5957
5958         PR 10979
5959         * common.cc (Sort_commons::operator()): Stabilize sort when both
5960         entries are NULL.
5961         (Symbol_table::do_allocate_commons_list): When allocating common
5962         symbols, skip a symbol which is no longer common.
5963         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5964         an object before checking its type.
5965         * testsuite/common_test_2.c: New file.
5966         * testsuite/common_test_3.c: New file.
5967         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5968         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5969         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5970         (common_test_2_pic.o, common_test_2.so): New targets.
5971         (common_test_3_pic.o, common_test_3.so): New targets.
5972         * testsuite/Makefile.in: Rebuild.
5973
5974         PR 10979
5975         * script.cc (read_input_script): If we see a new SECTIONS clause,
5976         and we have added an input section, give an error.
5977         * layout.h (class Layout): Add have_added_input_section function.
5978         Add have_added_input_section_ field.
5979         * layout.cc (Layout::Layout): Initialize
5980         have_added_input_section_.
5981         (Layout::layout): Set have_added_input_section_.
5982         (Layout::layout_eh_frame): Likewise.
5983
5984 2009-12-30  Ian Lance Taylor  <[email protected]>
5985
5986         PR 10931
5987         * options.h (class General_options): Add --sort-common option.
5988         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5989         * common.cc (Sort_common): Add sort_order parameter to
5990         constructor.  Add sort_order_ field.
5991         (Sort_commons::operator): Check sort_order_.
5992         (Symbol_table::allocate_commons): Determine the sort order.
5993         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5994         Change all callers.
5995         (Symbol_table::do_allocate_commons_list): Likewise.
5996
5997 2009-12-30  Ian Lance Taylor  <[email protected]>
5998
5999         PR 10916
6000         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6001         symbols from this object, don't change the visibility of an
6002         undefined symbol.
6003         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6004
6005 2009-12-30  Ian Lance Taylor  <[email protected]>
6006
6007         PR 10861
6008         * script.h (class Version_script_info): Define Language enum.
6009         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6010         new fields globals_, locals_, and is_finalized_.
6011         * script.cc: Various formatting fixes.
6012         (class Parser_closure): Change language_stack_ from a vector of
6013         std::string to one of Version_script_info::Language.  Adjust all
6014         uses accordingly.
6015         (class Lazy_demangler): Remove.
6016         (struct Version_expression): Change language from std::string to
6017         Version_script_info::Language.
6018         (Version_script_info::Version_script_info): New function.
6019         (Version_script_info::~Version_script_info): Don't call clear.
6020         (Version_script_info::finalize): New function.
6021         (Version_script_info::build_lookup_tables): New function.
6022         (Version_script_info::build_expression_list_lookup): New
6023         function.
6024         (Version_script_info::get_symbol_version_helper): Rewrite to use
6025         lookup tables.
6026         (Version_script_info::print_expression_list): Adjust to use
6027         Version_script_info::Language.
6028         (script_push_lex_into_version_mode): Check that the version script
6029         has not been finalized.
6030         (version_script_push_lang): Change language string to
6031         Version_script_info::Language.
6032         * options.cc (Command_line::version_script): New function.
6033         * options.h (class General_options): Add finalize_dynamic_list
6034         function.  Change version_script from declaration to definition.
6035         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6036         * testsuite/version_script.map: Remove duplicate def of foo.
6037         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6038         version_script.map.
6039         * testsuite/Makefile.in: Rebuild.
6040
6041 2009-12-30  Ian Lance Taylor  <[email protected]>
6042
6043         PR 10843
6044         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6045         if the input symbol index is 0, make the output symbol index 0.
6046
6047 2009-12-30  Ian Lance Taylor  <[email protected]>
6048
6049         PR 10670
6050         * options.h (class General_options): Add -x/--discard-all.
6051         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6052         --discard-all.  If the local symbol needs a dynamic entry, check
6053         that before handling --discard-locals.
6054
6055 2009-12-30  Ian Lance Taylor  <[email protected]>
6056
6057         PR 10450
6058         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6059         flags to PF_R.
6060         (Output_segment::add_output_section): Don't change the flags if
6061         the type is PT_TLS.
6062
6063         PR 10450
6064         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6065         GNU hash table if they need a dynamic value.  Otherwise, don't add
6066         them if they are defined in a dynamic object or are forced local.
6067
6068 2009-12-29  Ian Lance Taylor  <[email protected]>
6069
6070         PR 10450
6071         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6072         .gnu.hash table for a 32-bit target.
6073
6074         PR 10450
6075         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6076         regular and a dynamic object only needs a dynamic symbol table
6077         entry if it is externally visible.
6078
6079         PR 10450
6080         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6081         constructor.  Add global_offset_table_ field.
6082         (Target_i386::got_section): Set global_offset_table_.
6083         (Target_i386::do_finalize_sections): Set global_offset_table_
6084         size.
6085         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6086         in constructor.  Add global_offset_table_ field.
6087         (Target_x86_64::got_section): Set global_offset_table_.
6088         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6089         size.
6090
6091         * layout.cc (Layout::Layout): Initialize increase_relro_.
6092         (Layout::get_output_section): Add is_relro, is_last_relro, and
6093         is_first_non_relro parameters.  Change all callers.
6094         (Layout::choose_output_section): Likewise.
6095         (Layout::add_output_section_data): Likewise.
6096         (Layout::make_output_section): Likewise.
6097         (Layout::set_segment_offsets): Clear increase_relro when using a
6098         linker script.
6099         * layout.h (class Layout): Add increase_relro method.  Add
6100         increase_relro_ field.  Update declarations.
6101         * output.cc (Output_section::Output_section): Initialize
6102         is_last_relro_ and is_first_non_relro_.
6103         (Output_segment::add_output_section): Group relro sections is
6104         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6105         (Output_segment::maximum_alignment): Remove relro handling.
6106         (Output_segment::set_section_addresses): Add increase_relro
6107         parameter.  Change all callers.  Add initial alignment to align
6108         relro sections on separate page.  Remove old relro handling.
6109         (Output_segment::set_section_list_addresses): Remove in_relro
6110         parameter.  Change all callers.
6111         (Output_segment::set_offset): Add increase parameter.  Change all
6112         callers.  Remove old relro handling.
6113         * output.h (class Output_section): Add new methods: is_last_relro,
6114         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6115         Add is_last_relro_ and is_first_non_relro_ fields.
6116         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6117         Create separate .got.plt section.  Call increase_relro.
6118         * x86_64.cc (Target_x86_64::got_section): Likewise.
6119         * testsuite/relro_script_test.t: Add .got.plt.
6120
6121         PR 10450
6122         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6123         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6124         (Layout::finalize): Call set_dynamic_symbol_size.
6125         (Layout::set_dynamic_symbol_size): New function.
6126         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6127         set_dynamic_symbol_size.
6128
6129         PR 10450
6130         * output.h (class Output_section): Add is_entsize_zero_ field.
6131         * output.cc (Output_section::Output_section): Initialize
6132         is_entsize_zero_.
6133         (Output_section::set_entsize): If two different entsizes are
6134         requested, force it to zero.
6135         (Output_section::add_input_section): Set flags for .debug_str
6136         before updating section flags.  Set entsize.
6137         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6138         and SHF_STRING if all input sections have those flags.
6139
6140 2009-12-29   Rafael Espindola  <[email protected]>
6141
6142         * main.cc (main): Fix the sys time reporting.
6143         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6144         reporting.
6145
6146 2009-12-29  Sriraman Tallam  <[email protected]>
6147
6148         * options.cc (General_options::parse_version): Allow -v to exit
6149         without an error if there is nothing to link.
6150
6151 2009-12-29  Ian Lance Taylor  <[email protected]>
6152
6153         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6154         using a version of gcc before 4.1.
6155         * configure: Rebuild.
6156
6157 2009-12-28  Chris Demetriou  <[email protected]>
6158
6159         * attributes.cc (Output_attributes_section_data::do_write): Use
6160         std::vector::front rather than std::vector::data.
6161
6162 2009-12-28  Ian Lance Taylor  <[email protected]>
6163
6164         * symtab.h (class Symbol_table): Add enum Defined.
6165         * resolve.cc (Symbol_table::should_override): Add defined
6166         parameter.  Change all callers.  Test whether object is NULL
6167         before calling a method on it.
6168         (Symbol_table::report_resolve_problem): Add defined parameter.
6169         Change all callers.
6170         (Symbol_table::should_override_with_special): Likewise.
6171         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6172         parameter.  Change all callers.
6173         (Symbol_table::do_define_in_output_data): Likewise.
6174         (Symbol_table::define_in_output_segment): Likewise.
6175         (Symbol_table::do_define_in_output_segment): Likewise.
6176         (Symbol_table::define_as_constant): Likewise.
6177         (Symbol_table::do_define_as_constant): Likewise.
6178         * script.h (class Symbol_assignment): Add is_defsym parameter to
6179         constructor; change all callers.
6180         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6181         parameter.  Change all callers.  Add is_defsym_ field.
6182         (class Parser_closure): Add parsing_defsym parameter to
6183         constructor; change all callers.  Add parsing_defsym accessor
6184         function.  Add parsing_defsym_ field.
6185
6186 2009-12-28  Ian Lance Taylor  <[email protected]>
6187
6188         * gold.cc (queue_middle_tasks): Fix formatting.
6189         * object.cc (Relobj::is_section_name_included): Likewise.
6190
6191 2009-12-23  Ian Lance Taylor  <[email protected]>
6192
6193         * i386.cc (Target_i386::do_calls_non_split): Recognize
6194         -fsplit-stack prologue for a function with a static chain.
6195         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6196         -fsplit-stack prologue when using %r11.
6197
6198 2009-12-21  Sriraman Tallam  <[email protected]>
6199
6200         * options.cc (General_options::parse_version): Make -v continue and do
6201         the link like GNU ld does.
6202
6203 2009-12-17  Rafael Avila de Espindola  <[email protected]>
6204
6205         * Makefile.am (CCFILES): Add timer.cc.
6206         (HFILES): Add timer.h.
6207         * configure.ac: Check for sysconf and times.
6208         * main.cc: include timer.h.
6209         (main): Use Timer instead of get_run_time.
6210         * timer.cc: New.
6211         * timer.h: New.
6212         * workqueue.cc: include timer.h.
6213         (Workqueue::find_and_run_task):
6214         Report user, sys and wall time.
6215         * Makefile.in: Regenerate.
6216         * config.in: Regenerate.
6217         * configure: Regenerate.
6218
6219 2009-12-16  Doug Kwan  <[email protected]>
6220
6221         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6222         sections.
6223         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6224         relaxed input sections.
6225         * output.cc (Output_section::find_relaxed_input_section): Change
6226         return type to Output_relaxed_input_section pointer.  Adjust code
6227         for new type of relaxed_input_section_map_.
6228         * output.h (Output_section::find_relaxed_input_section): Change
6229         return type to Output_relaxed_input_section pointer.
6230         (Output_section::Output_relaxed_input_section_by_input_section_map):
6231         New type.
6232         (Output_section::relaxed_input_section_map_): Change type to
6233         Output_section::Output_relaxed_input_section_by_input_section_map.
6234         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6235         input section.
6236
6237 2009-12-15  Ian Lance Taylor  <[email protected]>
6238
6239         * layout.cc (Layout::create_shstrtab): Only write out after input
6240         sections if we are compressing debug sections.
6241
6242 2009-12-15  Ian Lance Taylor  <[email protected]>
6243
6244         * archive.cc (Archive::add_symbols): Only look up a symbol without
6245         a version if there is, in fact, a version.
6246
6247 2009-12-14  Ian Lance Taylor  <[email protected]>
6248
6249         Revert -Wshadow changes, all changes from:
6250         2009-12-11  Doug Kwan  <[email protected]>
6251         2009-12-11  Nick Clifton  <[email protected]>
6252         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6253
6254 2009-12-11  Doug Kwan  <[email protected]>
6255
6256         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6257         due to -Wshadow.
6258         * attributes.cc (Object_attribute::size): Ditto.
6259         (Attributes_section_data::size): Ditto.
6260         (Attributes_section_data::Attributes_section_data): Ditto.
6261         (Output_attributes_section_data::do_write): Ditto.
6262         * attributes.h (Object_attribute::set_type): Ditto.
6263         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6264
6265 2009-12-11  Nick Clifton  <[email protected]>
6266
6267         * archive.cc: Fix shadowed variable warnings.
6268         * arm.cc: Likewise.
6269         * compressed_output.cc: Likewise.
6270         * compressed_output.h: Likewise.
6271         * configure: Likewise.
6272         * dwarf_reader.cc: Likewise.
6273         * dynobj.cc: Likewise.
6274         * dynobj.h: Likewise.
6275         * ehframe.cc: Likewise.
6276         * ehframe.h: Likewise.
6277         * errors.cc: Likewise.
6278         * expression.cc: Likewise.
6279         * fileread.cc: Likewise.
6280         * fileread.h: Likewise.
6281         * freebsd.h: Likewise.
6282         * i386.cc: Likewise.
6283         * icf.cc: Likewise.
6284         * incremental.h: Likewise.
6285         * layout.cc: Likewise.
6286         * layout.h: Likewise.
6287         * mapfile.cc: Likewise.
6288         * merge.cc: Likewise.
6289         * merge.h: Likewise.
6290         * object.cc: Likewise.
6291         * object.h: Likewise.
6292         * options.h: Likewise.
6293         * output.cc: Likewise.
6294         * output.h: Likewise.
6295         * parameters.cc: Likewise.
6296         * plugin.cc: Likewise.
6297         * powerpc.cc: Likewise.
6298         * reduced_debug_output.cc: Likewise.
6299         * reduced_debug_output.h: Likewise.
6300         * reloc.cc: Likewise.
6301         * reloc.h: Likewise.
6302         * resolve.cc: Likewise.
6303         * script-sections.cc: Likewise.
6304         * script.cc: Likewise.
6305         * script.h: Likewise.
6306         * sparc.cc: Likewise.
6307         * symtab.cc: Likewise.
6308         * symtab.h: Likewise.
6309         * target-select.cc: Likewise.
6310         * target-select.h: Likewise.
6311         * token.h: Likewise.
6312         * workqueue.cc: Likewise.
6313         * workqueue.h: Likewise.
6314         * x86_64.cc: Likewise.
6315
6316 2009-12-10  Doug Kwan  <[email protected]>
6317
6318         * arm.cc (attributes.h): New include.
6319         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6320         (Arm_relobj::~Arm_relobj): Delete object pointed by
6321         attributes_section_data_.
6322         (Arm_relobj::attributes_section_data): New method definition.
6323         (Arm_relobj::attributes_section_data_): New data member declaration.
6324         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6325         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6326         attributes_section_data_.
6327         (Arm_dynobj::attributes_section_data): New method definition.
6328         (Arm_dynobj::attributes_section_data_): New data member declaration.
6329         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6330         initialization value of may_use_blx_ to false.
6331         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6332         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6333         object attributes to compute results instead of hard-coding.
6334         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6335         Target_arm::get_secondary_compatible_arch,
6336         Target_arm::set_secondary_compatible_arch
6337         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6338         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6339         New method declarations.
6340         (Target_arm::get_aeabi_object_attribute): New method definition.
6341         (Target_arm::attributes_section_data_): New data member declaration.
6342         (read_arm_attributes_section): New template definition.
6343         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6344         (Arm_dynobj::do_read_symbols): Ditto.
6345         (Target_arm::do_finalize_sections): Merge attributes sections from
6346         input.  Check for BLX use after attributes section merging.
6347         Fix __exidx_start and __exidx_end visibility.  Create an
6348         .ARM.attributes section if necessary.
6349         (Target_arm::get_secondary_compatible_arch,
6350         Target_arm::set_secondary_compatible_arch,
6351         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6352         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6353         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6354         New method definitions.
6355
6356 2009-12-09  Ian Lance Taylor  <[email protected]>
6357
6358         * plugin.cc (Plugin::load): Don't cast from void* to a function
6359         pointer.
6360
6361 2009-12-09  Ian Lance Taylor  <[email protected]>
6362
6363         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6364         information fields.
6365
6366 2009-12-09  H.J. Lu  <[email protected]>
6367
6368         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6369         Replace two_file_shared_1.so with two_file_shared_2.so.
6370         * testsuite/Makefile.in: Regenerated.
6371
6372 2009-12-08  Doug Kwan  <[email protected]>
6373
6374         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6375         (HFILES): Add attributes.h and int_encoding.h.
6376         * Makefile.in: Regenerate.
6377         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6378         function definitions to int_encoding.cc
6379         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6380         prototypes to int_encoding.h
6381         * reduced_debug_output.cc (int_encoding.h): New include.
6382         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6383         function definitions to int_encoding.cc
6384         (insert_into_vector, read_from_pointer): Move template definitions to
6385         int_encoding.h
6386         * attributes.cc: New file.
6387         * attributes.h: New file.
6388         * int_encoding.cc: New file.
6389         * int_encoding.h: New file.
6390
6391 2009-12-07  Rafael Avila de Espindola  <[email protected]>
6392
6393         PR gold/11055
6394         * incremental-dump.cc (dump_incremental_inputs): New.
6395         (main): Use dump_incremental_inputs.
6396
6397 2009-12-07  H.J. Lu  <[email protected]>
6398
6399         PR gold/10893
6400         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6401         checking elfcpp::STT_FUNC.
6402         (Target_i386::Relocate::relocate): Likewise.
6403         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6404
6405         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6406         symbols from shared libraries into normal FUNC symbols.
6407
6408         * symtab.h (Symbol): Add is_func and use it.
6409
6410 2009-12-05  Doug Kwan  <[email protected]>
6411
6412         * arm.cc (Target_arm::arm_info): Initialize new fields
6413         attributes_section and attributes_vendor.
6414         * i386.cc (Target_i386::i386_info): Same.
6415         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6416         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6417         fields attributes_section and attributes_vendor.
6418         * sparc.cc (Target_sparc::sparc_info): Same.
6419         * target.h (Target::attributes_section, Target::attributes_vendor,
6420         Target::is_attributes_section, Target::attribute_arg_type,
6421         Target::attributes_order): New method definitions.
6422         (Target::Target_info::attributes_section,
6423         Target::Target_info::attributes_vendor): New fields.
6424         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6425         virtual method definitions.
6426         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6427         attributes_section and attributes_vendor.
6428         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6429
6430 2009-12-05  Doug Kwan  <[email protected]>
6431
6432         * arm.cc: Update comments about interworking and stub generation.
6433         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6434         considered as non-PIC.
6435         (Arm_relocate_functions::base_abs): Fix formatting.
6436         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6437         of function to use GOT entry address instead of offset.
6438         (Target_arm::Scan::global): Issue an error if a symbol would need a
6439         PLT does not get one because it is untyped.  Remove code to create
6440         dynamic symbols for relative branches.
6441         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6442         takes unsigned integer instead of boolean.
6443
6444 2009-12-05  H.J. Lu  <[email protected]>
6445
6446         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6447         (two_file_test_LDADD): Likewise.
6448         (common_test_1_LDADD): Likewise.
6449         (exception_test_LDADD) Likewise.
6450         (weak_test_LDADD): Likewise.
6451         (many_sections_test_LDADD): Likewise.
6452         (initpri1_LDADD): Likewise.
6453         (script_test_1_LDADD): Likewise.
6454         (script_test_2_LDADD): Likewise.
6455         (justsyms_LDADD): Likewise.
6456         (binary_test_LDADD): Likewise.
6457         (large_LDADD): Likewise.
6458         * testsuite/Makefile.in: Regenerated.
6459
6460 2009-12-04  H.J. Lu  <[email protected]>
6461
6462         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6463         (Symbol_table::override_with_special): Likewise.
6464         (Symbol_table::add_from_object): Likewise.
6465
6466 2009-12-04  Rafael Avila de Espindola  <[email protected]>
6467
6468         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6469         Don't set the data_offset twice.
6470
6471 2009-12-04  Rafael Avila de Espindola  <[email protected]>
6472
6473         * testsuite/Makefile.in: Regenerate.
6474
6475 2009-12-03  Doug Kwan  <[email protected]>
6476
6477         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6478         (Target_arm::do_finalize_sections): Add parameter for symbol table
6479         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6480         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6481         parameter for symbol table pointer.
6482         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6483         an additional parameter for a pointer to symbol table.
6484         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6485         parameter for a symbol table pointer.
6486         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6487         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6488         Ditto.
6489         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6490         parameter for a symbol table pointer.
6491
6492 2009-12-03  Rafael Avila de Espindola  <[email protected]>
6493
6494         * incremental.cc (Incremental_inputs_header)
6495         (Incremental_inputs_header_write, Incremental_inputs_entry)
6496         (Incremental_inputs_entry_write): Move ...
6497         * incremental.h (Incremental_inputs_header)
6498         (Incremental_inputs_header_write, Incremental_inputs_entry)
6499         (Incremental_inputs_entry_write): here.
6500
6501 2009-12-02  Rafael Avila de Espindola  <[email protected]>
6502
6503         * incremental.cc (make_sized_incremental_binary): Set the target.
6504         Error if it is incompatible.
6505         * output.h (Output_file): Add filename method.
6506
6507 2009-12-02  Rafael Avila de Espindola  <[email protected]>
6508
6509         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6510         from the get_* methods.
6511
6512 2009-12-02  Rafael Avila de Espindola  <[email protected]>
6513
6514         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6515         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6516         Write 0 for the data_offset of scripts.
6517
6518 2009-12-02  Rafael Avila de Espindola  <[email protected]>
6519
6520         * testsuite/Makefile.am: Add the incremental_test.sh test.
6521         * testsuite/incremental_test.sh: New.
6522         * testsuite/incremental_test_1.c: New.
6523         * testsuite/incremental_test_2.c: New.
6524
6525 2009-12-01  Rafael Avila de Espindola  <[email protected]>
6526
6527        * incremental-dump.cc (main): Fix typos.
6528
6529 2009-11-27  Rafael Avila de Espindola  <[email protected]>
6530
6531         PR gold/11025
6532         * incremental-dump.cc (main): Use llu to print 64 bit values.
6533
6534 2009-11-26  Per Øyvind Karlsen <[email protected]>
6535             H.J. Lu  <[email protected]>
6536
6537         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6538         $(LIBDL).
6539         (incremental_dump_LDADD): Likewise.
6540         * Makefile.in: Regenerated.
6541
6542 2009-11-25  Doug Kwan  <[email protected]>
6543
6544         Revert:
6545
6546         2009-11-25  Doug Kwan  <[email protected]>
6547
6548                 * arm.cc (Target_arm::Target_arm): Move method definition
6549                 outside of class definition.  Add code to handle
6550                 --target1-rel, --target1-abs and --target2= options.
6551                 (Target_arm::get_reloc_reloc_type): Change method to be
6552                 non-static and const.
6553                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6554                 New data member declaration.
6555                 (Target_arm::Scan::local, Target_arm::Scan::global,
6556                 Target_arm::Relocate::relocate,
6557                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6558                 Adjust call to Target_arm::get_real_reloc_type.
6559                 (Target_arm::get_real_reloc_type): Use command line options
6560                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6561                 * options.h (--target1-rel, --target1-abs, --target2): New
6562                 ARM-only options.
6563
6564 2009-11-25  Doug Kwan  <[email protected]>
6565
6566         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6567         class definition.  Add code to handle --target1-rel, --target1-abs
6568         and --target2= options.
6569         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6570         and const.
6571         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6572         member declaration.
6573         (Target_arm::Scan::local, Target_arm::Scan::global,
6574         Target_arm::Relocate::relocate,
6575         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6576         call to Target_arm::get_real_reloc_type.
6577         (Target_arm::get_real_reloc_type): Use command line options to
6578         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6579         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6580         options.
6581
6582 2009-11-25  Doug Kwan  <[email protected]>
6583
6584         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6585         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6586         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6587         formatting.
6588         (Arm_relocate_functions::thm_call): Replace body with a call to
6589         Arm_relocate_functions::thumb_branch_common.
6590         (Arm_relocate_functions::thm_jump24,
6591         Arm_relocate_functions::thm_xpc22): New method definitions.
6592         (Arm_relocate_functions::thumb_branch_common): New method definition.
6593         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6594         operator.
6595         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6596         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6597
6598 2009-11-24  Rafael Avila de Espindola  <[email protected]>
6599
6600         * Makefile.am: Build incremental-dump
6601         * Makefile.in: Regenerate.
6602         * incremental-dump.cc: New.
6603         * incremental.cc (Incremental_inputs_header_data,
6604         Incremental_inputs_entry_data): Move to incremental.h
6605         * incremental.h: (Incremental_inputs_header_data,
6606         Incremental_inputs_entry_data): Move from incremental.cc
6607
6608 2009-11-24  Rafael Avila de Espindola  <[email protected]>
6609
6610         * incremental.cc (Incremental_inputs_header,
6611         Incremental_inputs_header_write, Incremental_inputs_entry,
6612         Incremental_inputs_entry_write): Add a typedef with the data type.
6613
6614 2009-11-24  Rafael Avila de Espindola  <[email protected]>
6615
6616         * incremental.cc (Incremental_inputs_header,
6617         Incremental_inputs_header_write, Incremental_inputs_entry,
6618         Incremental_inputs_entry_write): Update comment about which
6619         type has the filed descriptions.
6620
6621 2009-11-15  Doug Kwan  <[email protected]>
6622
6623         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6624         (Arm_relocate_functions::arm_branch_common): Change method defintion
6625         in class definition to a method declaration and update list of formal
6626         parameters.
6627         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6628         Arm_relocation_functions::jump24): Adjust call to
6629         Arm_relocate_functions::arm_branch_common.  Update list of formal
6630         parameters.
6631         (Arm_relocate_functions::xpc25): New method definition.
6632         (Arm_relocate_functions::arm_branch_common): Move method defintion
6633         out from class definition.  Use stubs for mode-switching and extending
6634         branch ranges.
6635         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6636         specially.  Change code to enable use of stubs in ARM branches.
6637
6638 2009-11-10  Doug Kwan  <[email protected]>
6639
6640         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6641         in method declaration.
6642         (Target_arm::relocate_stub): New method declaration.
6643         (Target_arm::default_target): Change to return a pointer instead of
6644         a const reference.
6645         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6646         Target_arm::default_target.
6647         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6648         method definition.
6649         (Target_arm::relocate_section): Adjust view.
6650         (Target_arm::relocate_stub): New method definition.
6651
6652 2009-11-10  Doug Kwan  <[email protected]>
6653
6654         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6655         a format warning.
6656         * incremental.cc (open_incremental_binary): Initialized local
6657         variables to avoid warnings.
6658         * object.cc (make_elf_object): Ditto.
6659         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6660         a format warning.
6661
6662 009-11-09  H.J. Lu  <[email protected]>
6663
6664         PR gold/10930
6665         * testsuite/plugin_test.c: Include "config.h".
6666
6667 2009-11-09  Doug Kwan  <[email protected]>
6668
6669         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6670         (arm_symbol_value): Remove.
6671         (Arm_relocate_functions::arm_branch_common,
6672         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6673         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6674         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6675         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6676         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6677         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6678         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6679         Arm_relocate_functions::thm_mobw_abs_nc,
6680         Arm_relocate_functions::thm_mov_abs,
6681         Arm_relocate_functions::movw_prel_nc,
6682         Arm_relocate_functions::thm_movt_abs,
6683         Arm_relocate_functions::movt_prel,
6684         Arm_relocate_functions::thm_movw_prel_nc,
6685         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6686         (Target_arm::Relocate::relocate): Only decompose address into two
6687         parts if relocation type uses the thumb-bit and pass the actual
6688         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6689         calls to methods in Arm_relocate_functions for this change.
6690
6691 2009-11-08  Ian Lance Taylor  <[email protected]>
6692
6693         PR 10925
6694         * reloc.cc: Instantiate
6695         Sized_relobj::initialize_input_to_output_maps and
6696         Sized_relobj:free_input_to_output_maps.
6697
6698 2009-11-06  Ian Lance Taylor  <[email protected]>
6699
6700         PR 10876
6701         * defstd.cc (in_segment): Set only_if_ref true for "end".
6702
6703 2009-11-06  Doug Kwan  <[email protected]>
6704
6705         * arm.cc (class Reloc_stub): Correct a comment.
6706         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6707         (Target_arm::scan_section_for_stubs): New method declaration.
6708         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6709         Change methods from private to protected.
6710         (Target_arm::do_may_relax): New method definition.
6711         (Target_arm::do_relax, Target_arm::group_sections,
6712         Target_arm::scan_reloc_for_stub,
6713         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6714         (Target_arm::arm_input_section_map_): New data member declaration.
6715         (Target_arm::scan_reloc_for_stub,
6716         Target_arm::scan_reloc_section_for_stubs,
6717         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6718         Target_arm::do_relax): New method definitions.
6719
6720 2009-11-06  Mikolaj Zalewski  <[email protected]>
6721
6722         * configure.ac: Check for (struct stat)::st_mtim
6723         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6724         * config.in: Regenerate.
6725         * configure: Regenerate.
6726
6727 2009-11-05  Ian Lance Taylor  <[email protected]>
6728
6729         PR 10910
6730         * output.cc (Output_segment::add_output_section): Add missing
6731         return statement.
6732
6733 2009-11-04  Ian Lance Taylor  <[email protected]>
6734
6735         PR 10880
6736         * object.h (class Object): Add is_needed and set_is_needed
6737         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6738         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6739         defined in a dynamic object and referenced by a regular object,
6740         set is_needed for the dynamic object.
6741         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6742         if the file is marked with as_needed and it is not needed.
6743
6744 2009-11-04  Ian Lance Taylor  <[email protected]>
6745
6746         PR 10887
6747         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6748         tags if data is discarded by linker script.
6749         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6750         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6751         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6752         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6753
6754 2009-11-04  Ian Lance Taylor  <[email protected]>
6755
6756         * layout.cc (Layout::get_output_section): Add is_interp and
6757         is_dynamic_linker_section parameters.  Change all callers.
6758         (Layout::choose_output_section): Likewise.
6759         (Layout::make_output_section): Likewise.
6760         (Layout::add_output_section_data): Add is_dynamic_linker_section
6761         parameter.  Change all callers.
6762         * layout.h (class Layout): Update declarations.
6763         * output.h (class Output_section): Add is_interp, set_is_interp,
6764         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6765         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6766         generate_code_fills_at_write_ to a bitfield.
6767         * output.cc (Output_section::Output_sections): Initialize new
6768         fields.
6769         (Output_segment::add_output_section): Add do_sort parameter.
6770         Change all callers.
6771
6772 2009-11-03  Ian Lance Taylor  <[email protected]>
6773
6774         PR 10860
6775         * options.h (class General_options): Add --warn-common.
6776         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6777         merging two common symbols.
6778         (Symbol_table::should_override): Handle --warn-common when merging
6779         a common symbol with a defined symbol.  Use report_resolve_problem
6780         for multiple definitions.
6781         (Symbol_table::report_resolve_problem): New function.
6782         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6783
6784 2009-11-03  Doug Kwan  <[email protected]>
6785
6786         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6787         stub_factory_.
6788         (Target_arm::stub_factory): New method definition.
6789         (Target_arm::new_arm_input_section,
6790         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6791         Target_arm::reloc_uses_thumb_bit): New method declarations.
6792         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6793         New type definitions.
6794         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6795         member declarations.
6796         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6797         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6798         New method definitions.
6799
6800 2009-11-03  Ian Lance Taylor  <[email protected]>
6801
6802         * options.h (class General_options): Add --warn_constructors.
6803
6804 2009-11-03  Ian Lance Taylor  <[email protected]>
6805
6806         PR 10893
6807         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6808         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6809
6810 2009-11-03  Ian Lance Taylor  <[email protected]>
6811
6812         PR 10895
6813         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6814         --msgid-bugs-address.
6815         (install-pdf): New target.
6816         (install-data_yes): Look up one directory to find mkinstalldirs.
6817
6818 2009-11-03  H.J. Lu  <[email protected]>
6819
6820         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6821         tree.
6822
6823 2009-10-30  Doug Kwan  <[email protected]>
6824
6825         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6826
6827 2009-10-30  Doug Kwan  <[email protected]>
6828
6829         * arm.cc (Stub_addend_reader): New struct template definition
6830         and partial specializations.
6831         (Stub_addend_reader::operator()): New method definition for a
6832         partially specialized template.
6833
6834 2009-10-30  Doug Kwan  <[email protected]>
6835
6836         * arm.cc (Arm_relobj::processor_specific_flags): New method
6837         definition.
6838         (Arm_relobj::do_read_symbols): New method declaration.
6839         (Arm_relobj::processor_specific_flags_): New data member declaration.
6840         (Arm_dynobj): New class definition.
6841         (Target_arm::do_finalize_sections): Add input_objects parameter.
6842         (Target_arm::do_adjust_elf_header): New method declaration.
6843         (Target_arm::are_eabi_versions_compatible,
6844         (Target_arm::merge_processor_specific_flags): New method declaration.
6845         (Target_arm::do_make_elf_object): New overloaded method definitions
6846         and declaration.
6847         (Arm_relobj::do_read_symbols): New method definition.
6848         (Arm_dynobj::do_read_symbols): Ditto.
6849         (Target_arm::do_finalize_sections): Add input_objects parameters.
6850         Merge processor-specific flags from all input objects.
6851         (Target_arm::are_eabi_versions_compatible,
6852         Target_arm::merge_processor_specific_flags,
6853         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6854         New method definitions.
6855         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6856         Input_objects pointer type parameter.
6857         * layout.cc (Layout::finalize): Pass input objects to target's.
6858         finalize_sections function.
6859         * output.cc (Output_file_header::do_sized_write): Set ELF file
6860         header's processor-specific flags.
6861         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6862         Input_objects pointer type parameter.
6863         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6864         * target.h (Input_objects): New forward class declaration.
6865         (Target::processor_specific_flags,
6866         Target::are_processor_specific_flags_sect): New method definitions.
6867         (Target::finalize_sections): Add input_objects parameter.
6868         (Target::Target): Initialize processor_specific_flags_ and
6869         are_processor_specific_flags_set_.
6870         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6871         parameter.
6872         (Target::set_processor_specific_flags): New method definition.
6873         (Target::processor_specific_flags_,
6874         Target::are_processor_specific_flags_set_): New data member
6875         declarations.
6876         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6877         Input_objects pointer type parameter.
6878
6879 2009-10-30  Doug Kwan  <[email protected]>
6880
6881         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6882
6883 2009-10-28  Ian Lance Taylor  <[email protected]>
6884
6885         * object.h (class Relobj): Drop options parameter from
6886         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6887         do_scan_relocs, do_relocate.  Change all callers.
6888         (class Sized_relobj): Drop options parameters from
6889         do_gc_process_relocs, do_scan_relocs, do_relocate,
6890         do_relocate_sections, relocate_sections, emit_relocs_scan,
6891         emit_relocs_scan_reltype.  Change all callers.
6892         (struct Relocate_info): Remove options field and all references to
6893         it.
6894         * reloc.h (class Read_relocs): Remove options constructor
6895         parameter and options_ field.  Change all callers.
6896         (class Gc_process_relocs, class Scan_relocs): Likewise.
6897         (class Relocate_task): Likewise.
6898         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6899         all callers.
6900         (scan_relocatable_relocs): Likewise.
6901         * target.h (class Sized_target): Remove options parameter from
6902         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6903         all callers.
6904         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6905         callers.
6906         * arm.cc: Update functions to remove options parameters.
6907         * i386.cc: Likewise.
6908         * powerpc.cc: Likewise.
6909         * sparc.cc: Likewise.
6910         * x86_64.cc: Likewise.
6911         * testsuite/testfile.cc: Likewise.
6912
6913 2009-10-28  Doug Kwan  <[email protected]>
6914
6915         * arm.cc (Arm_relobj): New class definition.
6916         (Arm_relobj::scan_sections_for_stubs,
6917         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6918         New method definitions.
6919
6920 2009-10-28  Cary Coutant  <[email protected]>
6921
6922         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6923         (Plugin::cleanup_done_): New member.
6924         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6925         (Plugin_manager::cleanup_done_): Remove.
6926         (Plugin_manager::add_input_file): Edit error message.
6927         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6928         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6929
6930 2009-10-27  Mikolaj Zalewski  <[email protected]>
6931
6932         * fileread.cc: (File_read::View::~View): Use the new
6933         data_ownership_ filed.
6934         (File_read::~File_read): Dispose the new whole_file_view_.
6935         (File_read::open): Mmap the whole file if needed.
6936         (File_read::open): Use whole_file_view_ instead of contents_.
6937         (File_read::find_view): Use whole_file_view_ if applicable.
6938         (File_read::do_read): Use whole_file_view_ instead of contents_.
6939         (File_read::make_view): Use whole_file_view_ instead of contents_,
6940         update File_read::View::View call.
6941         (File_read::find_or_make_view): Update File_read::View::View
6942         call.
6943         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6944         remove contents_
6945         (File_read::View::Data_ownership): New enum.
6946         (File_read::View::View): Replace bool mapped_ with Data_ownership
6947         argument.
6948         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6949         (File_read::View::data_ownership_): New field.
6950         (File_read::contents_): Remove (replaced by whole_file_view_).
6951         (File_read::whole_file_view_): New field.
6952         * options.h (class General_options): Add --keep-files-mapped.
6953
6954 2009-10-27  Cary Coutant  <[email protected]>
6955
6956         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6957         * testsuite/Makefile.am (plugin_test_5): New test case.
6958         * testsuite/Makefile.in: Regenerate.
6959
6960 2009-10-25  Doug Kwan  <[email protected]>
6961
6962         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6963         from private to protected to allow access by child class.
6964         (Sized_relobj::do_relocate_sections): New method declaration.
6965         (Sized_relobj::relocate_sections): Virtualize.
6966         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6967         Sized_relobj::relocate_sections.  Instantiate template explicitly
6968         for different target sizes and endianity.
6969
6970 2009-10-24  Doug Kwan  <[email protected]>
6971
6972         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6973         (Arm_input_section::as_arm_input_section): New method.
6974         (Arm_output_section): New class definition.
6975         (Arm_output_section::create_stub_group,
6976         Arm_output_section::group_sections): New method definitions.
6977
6978 2009-10-22  Doug Kwan  <[email protected]>
6979
6980         * arm.cc (Arm_input_section): New class definition.
6981         (Arm_input_section::init, Arm_input_section:do_write,
6982         Arm_input_section::set_final_data_size,
6983         Arm_input_section::do_reset_address_and_file_offset): New method
6984         definitions.
6985
6986 2009-10-21  Doug Kwan  <[email protected]>
6987
6988         * arm.cc (Stub_table, Arm_input_section): New forward class
6989         declarations.
6990         (Stub_table): New class defintion.
6991         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6992         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6993         New method definition.
6994
6995 2009-10-21  Doug Kwan  <[email protected]>
6996
6997         * arm.cc: Update copyright comments.
6998         (Target_arm): New forward class template declaration.
6999         (Arm_address): New type.
7000         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7001         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7002         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7003         constants.
7004         (Insn_template): Same.
7005         (DEF_STUBS): New macro.
7006         (Stub_type): New enum type.
7007         (Stub_template): New class definition.
7008         (Stub): Same.
7009         (Reloc_stub): Same.
7010         (Stub_factory): Same.
7011         (Target_arm::Target_arm): Initialize may_use_blx_ and
7012         should_force_pic_veneer_.
7013         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7014         Target_arm::should_force_pic_veneer,
7015         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7016         Target_arm::using_thumb_only, Target_arm:;default_target): New
7017         method defintions.
7018         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7019         New data member declarations.
7020         (Insn_template::size, Insn_template::alignment): New method defintions.
7021         (Stub_template::Stub_template): New method definition.
7022         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7023         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7024         (Stub_factory::Stub_factory): New method definition.
7025         * gold.h (string_hash): New template.
7026         * output.h (Input_section_specifier::hash_value): Use
7027         gold::string_hash.
7028         (Input_section_specifier::string_hash): Remove.
7029         * stringpool.cc (Stringpool_template::string_hash): Use
7030         gold::string_hash.
7031
7032 2009-10-20  Doug Kwan  <[email protected]>
7033
7034         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7035         symbols of relaxed input sections.
7036         * output.h (Output_section::find_relaxed_input_section): Make
7037         method public.
7038
7039 2009-10-16  Doug Kwan  <[email protected]>
7040
7041         * dynobj.cc (Versions::Versions): Initialize version_script_.
7042         Only insert base version symbol definition for a shared object
7043         if version script defines any version versions.
7044         (Versions::define_base_version): New method definition.
7045         (Versions::add_def): Check that base version is not needed.
7046         (Versions::add_need): Define base version lazily.
7047         * dynobj.h (Versions::define_base_version): New method declaration.
7048         (Versions::needs_base_version_): New data member declaration.
7049         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7050         (check_DATA): Add no_version_test.stdout.
7051         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7052         New make rules.
7053         * testsuite/Makefile.in: Regenerate.
7054         * testsuite/no_version_test.c: New file.
7055         * testsuite/no_version_test.sh: Ditto.
7056
7057 2009-10-16  Doug Kwan  <[email protected]>
7058
7059         * expression.cc (class Segment_start_expression): New class definition.
7060         (Segment_start_expression::value): New method definition.
7061         (script_exp_function_segment_start): Return a new
7062         Segment_start_expression.
7063         * gold/script-c.h (script_saw_segment_start_expression): New function
7064         prototype.
7065         * script-sections.cc (Script_sections::Script_sections): Initialize
7066         SAW_SEGMENT_START_EXPRESSION_ to false.
7067         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7068         and -Tbbs options to specify section addresses if given in
7069         command line and no SEGMENT_START expression is seen in a script.
7070         * script-sections.h (Script_sections::saw_segment_start_expression,
7071         Script_sections::set_saw_segment_start_expression): New method
7072         definition.
7073         (Script_sections::saw_segment_start_expression_): New data member
7074         declaration.
7075         * script.cc (script_saw_segment_start_expression): New function.
7076         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7077         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7078         script_test_7.sh and script_test_8.sh.
7079         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7080         script_test_8.stdout.
7081         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7082         (script_test_6, script_test_6.stdout, script_test_7,
7083         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7084         * Makefile.in: Regenerate.
7085         * testsuite/script_test_6.sh: New file.
7086         * testsuite/script_test_6.t: Same.
7087         * testsuite/script_test_7.sh: Same.
7088         * testsuite/script_test_7.t: Same.
7089         * testsuite/script_test_8.sh: Same.
7090
7091 2009-10-16  Doug Kwan  <[email protected]>
7092
7093         * output.cc (Output_segment::set_section_list_address): Cast
7094         expressions to unsigned long long type to avoid format warnings.
7095
7096 2009-10-15  Ian Lance Taylor  <[email protected]>
7097
7098         * script.cc (Script_options::add_symbol_assignment): Always add a
7099         dot assignment to script_sections_.
7100         * script-sections.cc (Script_sections::add_dot_assignment):
7101         Initialize if necessary.
7102
7103         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7104         program headers with no load segment if there is a linker script.
7105
7106         * layout.cc (Layout::set_segment_offsets): Align the file offset
7107         to the segment aligment for -N or -n with no load segment.
7108         * output.cc (Output_segment::add_output_section): Don't crash if
7109         the first section is a TLS section.
7110         (Output_segment::set_section_list_addresses): Print an error
7111         message if the address moves backward in a linker script.
7112         * script-sections.cc
7113         (Output_section_element_input::set_section_addresses): Don't
7114         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7115         (Orphan_output_section::set_section_addresses): Likewise.
7116
7117 2009-10-15  Doug Kwan  <[email protected]>
7118
7119         * layout.cc (Layout::finish_dynamic_section): Generate tags
7120         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7121         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7122         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7123
7124 2009-10-14  Ian Lance Taylor  <[email protected]>
7125
7126         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7127         fields.
7128         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7129         data_shdr fields of relinfo.
7130         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7131         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7132         R_386_TLS_LDO_32, adjust based on section flags.
7133         (Target_i386::Relocate::fix_up_ldo): Remove.
7134
7135 2009-10-13  Ian Lance Taylor  <[email protected]>
7136
7137         Add support for -pie.
7138         * options.h (class General_options): Add -pie and
7139         --pic-executable.
7140         (General_options::output_is_position_independent): Test -pie.
7141         (General_options::output_is_executable): Return true if not shared
7142         and not relocatable.
7143         (General_options::output_is_pie): Remove.
7144         * options.cc (General_options::finalize): Reject incompatible uses
7145         of -pie.
7146         * gold.cc (queue_middle_tasks): A -pie link is not static.
7147         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7148         * symtab.cc (Symbol::final_value_is_known): Return false if
7149         output_is_position_independent.
7150         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7151         output_is_position_independent.
7152         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7153         output_is_position_independent.
7154         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7155         output_is_position_independent.
7156         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7157         two_file_pie_test.
7158         (basic_pie_test.o, basic_pie_test): New targets.
7159         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7160         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7161         (two_file_pie_test): New target.
7162         * testsuite/Makefile.in: Rebuild.
7163         * README: Remove note saying that -pie is not supported.
7164
7165 2009-10-13  Bernhard Reutner-Fischer  <[email protected]>
7166
7167         * options.h (class General_options): Add -init and -fini.
7168         * layout.cc (Layout::finish_dynamic_section): Emit
7169         given init and fini functions.
7170
7171 2009-10-13  Sriraman Tallam  <[email protected]>
7172
7173         * gc.h (gc_process_relocs): Check if icf is enabled using new
7174         function.
7175         * gold.cc (queue_initial_tasks): Likewise.
7176         (queue_middle_tasks): Likewise.
7177         * object.cc (do_layout): Likewise.
7178         * symtab.cc (is_section_folded): Likewise.
7179         * main.cc (main): Likewise.
7180         * reloc.cc (Read_relocs::run): Likewise.
7181         (Sized_relobj::do_scan_relocs): Likewise.
7182         * icf.cc (is_function_ctor_or_dtor): New function.
7183         (Icf::find_identical_sections): Check if function is ctor or dtor when
7184         safe icf is chosen.
7185         * options.h (General_options::icf): Change option to be an enum.
7186         (Icf_status): New enum.
7187         (icf_enabled): New method.
7188         (icf_safe_folding): New method.
7189         (set_icf_status): New method.
7190         (icf_status_): New variable.
7191         * (options.cc) (General_options::finalize): Set icf_status_.
7192         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7193         icf_test and icf_keep_unique_test to use the --icf enum flag.
7194         * testsuite/icf_safe_test.sh: New file.
7195         * testsuite/icf_safe_test.cc: New file.
7196
7197 2009-10-12  Sriraman Tallam  <[email protected]>
7198
7199         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7200         includes to gc.h and icf.h.
7201         * arm.cc: Include gc.h.
7202         * gold.cc: Likewise.
7203         * i386.cc: Likewise.
7204         * powerpc.cc: Likewise.
7205         * sparc.cc: Likewise.
7206         * x86_64.cc: Likewise.
7207         * gc.h: Include icf.h.
7208
7209 2009-10-11  Ian Lance Taylor  <[email protected]>
7210
7211         * plugin.cc: Include "gold.h" before other header files.
7212
7213 2009-10-10  Chris Demetriou  <[email protected]>
7214
7215         * options.h (Input_file_argument::Input_file_type): New enum.
7216         (Input_file_argument::is_lib_): Replace with...
7217         (Input_file_argument::type_): New member.
7218         (Input_file_argument::Input_file_argument): Take Input_file_type
7219         'type' rather than boolean 'is_lib' as second argument.
7220         (Input_file_argument::is_lib): Use type_.
7221         (Input_file_argument::is_searched_file): New function.
7222         (Input_file_argument::may_need_search): Handle is_searched_file.
7223         * options.cc (General_options::parse_library): Support -l:filename.
7224         (General_options::parse_just_symbols): Update for Input_file_argument
7225         changes.
7226         (Command_line::process): Likewise.
7227         * archive.cc (Archive::get_file_and_offset): Likewise.
7228         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7229         * script.cc (read_script_file, script_add_file): Likewise.
7230         * fileread.cc (Input_file::Input_file): Likewise.
7231         (Input_file::will_search_for): Handle is_searched_file.
7232         (Input_file::open): Likewise.
7233         * readsyms.cc (Read_symbols::get_name): Likewise.
7234         * testsuite/Makefile.am (searched_file_test): New test.
7235         * testsuite/Makefile.in: Regenerate.
7236         * testsuite/searched_file_test.cc: New file.
7237         * testsuite/searched_file_test_lib.cc: New file.
7238
7239 2009-10-09  Andrew Pinski  <[email protected]>
7240             Ian Lance Taylor  <[email protected]>
7241
7242         * descriptor.cc: Include <cstdio> and "binary-io.h".
7243         (Descriptors::open): Open the files in binary mode always.
7244         * script.cc (Lex::get_token): Treat \r as whitespace.
7245
7246 2009-10-09  Ian Lance Taylor  <[email protected]>
7247
7248         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7249
7250 2009-10-09  Andrew Pinski  <[email protected]>
7251             Ian Lance Taylor  <[email protected]>
7252
7253         * configure.ac: Check for readv function also.
7254         * fileread.cc (readv): Define if not HAVE_READV.
7255         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7256         does not exist.
7257         * config.in: Regenerate.
7258         * configure: Regenerate.
7259
7260 2009-10-09  Doug Kwan  <[email protected]>
7261
7262         * layout.cc (Layout::make_output_section): Call target hook to make
7263         ordinary output section.
7264         (Layout::finalize): Adjust parameter list of call the
7265         Target::may_relax().
7266         * layout.h (class Layout::section_list): New method.
7267         * merge.h (Output_merge_base::entsize): Change visibility to public.
7268         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7269         New methods.
7270         (Output_merge_string::do_is_string): New method.
7271         * object.cc (Sized_relobj::do_setup): renamed from
7272         Sized_relobj::set_up.
7273         * object.h (Sized_relobj::adjust_shndx,
7274         Sized_relobj::initializ_input_to_output_maps,
7275         Sized_relobj::free_input_to_output_maps): Change visibilities to
7276         protected.
7277         (Sized_relobj::setup): Virtualize.
7278         (Sized_relobj::do_setup): New method declaration.
7279         (Sized_relobj::invalidate_section_offset,
7280         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7281         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7282         * options.cc (parse_int): New function.
7283         * options.h (parse_int): New declaration.
7284         (DEFINE_int): New macro.
7285         (stub_group_size): New option.
7286         * output.cc (Output_section::Output_section): Initialize memebers
7287         merge_section_map_, merge_section_by_properties_map_,
7288         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7289         (Output_section::add_input_section): Handled deferred code-fill
7290         generation and remove an old comment.
7291         (Output_section::add_relaxed_input_section): New method definition.
7292         (Output_section::add_merge_input_section): Use merge section by
7293         properties map to speed to search.  Update merge section maps
7294         as appropriate.
7295         (Output_section::build_relaxation_map): New method definition.
7296         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7297         Same.
7298         (Output_section::relax_input_section): Renamed to
7299         Output_section::convert_input_sections_to_relaxed_sections and change
7300         interface to take a vector of pointers to relaxed sections.
7301         (Output_section::find_merge_section,
7302         Output_section::find_relaxed_input_section): New method definitions.
7303         (Output_section::is_input_address_mapped,
7304         Output_section::output_offset, Output_section::output_address):
7305         Use output section data maps to speed up searching.
7306         (Output_section::find_starting_output_address): Add comments.
7307         (Output_section::do_write,
7308         Output_section::write_to_postprocessing_buffer): Do code-fill
7309         generation as appropriate.
7310         (Output_section::get_input_sections): Invalidate relaxed input section
7311         map.
7312         (Output_section::restore_states): Adjust type of checkpoint .
7313         Invalidate relaxed input section map.
7314         * output.h (Output_merge_base): New class declaration.
7315         (Input_section_specifier): New class defintion.
7316         (class Output_relaxed_input_section) Change base class to
7317         Output_section_data_build.
7318         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7319         base class initializer.
7320         (Output_section::add_relaxed_input_section): New method declaration.
7321         (Output_section::Input_section): Change visibility to protected.
7322         (Output_section::Input_section::relobj,
7323         Output_section::Input_section::shndx): Handle relaxed input sections.
7324         Output_section::input_sections) Change visibility to protected.  Also
7325         define overload to return a non-const pointer.
7326         (Output_section::Merge_section_properties): New class defintion.
7327         (Output_section::Merge_section_by_properties_map,
7328         Output_section::Output_section_data_by_input_section_map,
7329         Output_section::Relaxation_map): New types.
7330         (Output_section::relax_input_section): Rename method to
7331         Output_section::convert_input_sections_to_relaxed_sections and change
7332         interface to take a vector of relaxed section pointers.
7333         (Output_section::find_merge_section,
7334         Output_section::find_relaxed_input_section,
7335         Output_section::build_relaxation_map,
7336         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7337         New method declarations.
7338         (Output_section::merge_section_map_
7339         Output_section::merge_section_by_properties_map_,
7340         Output_section::relaxed_input_section_map_,
7341         Output_section::is_relaxed_input_section_map_valid_,
7342         Output_section::generate_code_fills_at_write_): New data members.
7343         * script-sections.cc
7344         (Output_section_element_input::set_section_addresses): Call
7345         current_data_size and addralign methods of relaxed input sections.
7346         (Orphan_output_section::set_section_addresses): Call current_data_size
7347         and addralign methods of relaxed input sections.
7348         * symtab.cc (Symbol_table::compute_final_value): Extract template
7349         from the body of Symbol_table::sized_finalize_symbol.
7350         (Symbol_table::sized_finalized_symbol): Call
7351         Symbol_table::compute_final_value.
7352         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7353         (Symbol_table::compute_final_value): New templated method declaration.
7354         * target.cc (Target::do_make_output_section): New method defintion.
7355         * target.h (Target::make_output_section): New method declaration.
7356         (Target::relax): Add more parameters for input objects, symbol table
7357         and layout.  Adjust call to do_relax.
7358         (Target::do_make_output_section): New method declaration.
7359         (Target::do_relax): Add parameters for input objects, symbol table
7360         and layout.
7361
7362 2009-10-09  Andrew Pinski  <[email protected]>
7363
7364         * pread.c: Include stdio.h.
7365
7366 2009-10-09  Andrew Pinski  <[email protected]>
7367
7368         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7369         defined.
7370
7371 2009-10-09  Andrew Pinski  <[email protected]>
7372
7373         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7374         Change read_shndx type to unsigned int.
7375         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7376         int.
7377         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7378         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7379         Change read_shndx type to unsigned int.
7380         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7381         int.
7382         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7383         * layout.cc (Layout::create_symtab_sections): Cast the result of
7384         local_symcount * symsize to off_t in the gold_assert.
7385
7386 2009-10-09  Viktor Kutuzov  <[email protected]>
7387
7388         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7389         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7390         R_ARM_BASE_ABS.
7391         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7392         (Arm_relocate_functions::thm_abs5): New function.
7393         (Arm_relocate_functions::abs12): New function.
7394         (Arm_relocate_functions::abs16): New function.
7395         (Arm_relocate_functions::base_abs): New function.
7396         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7397         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7398         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7399         R_ARM_BASE_ABS.
7400         (Scan::global): Likewise.
7401         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7402         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7403         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7404         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7405         R_ARM_BASE_ABS.
7406
7407 2009-10-09  Viktor Kutuzov  <[email protected]>
7408
7409         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7410         (Arm_relocate_functions::movt_prel): New function.
7411         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7412         (Arm_relocate_functions::thm_movt_prel): New function.
7413         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7414         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7415         (Scan::global, Relocate::relocate): Likewise.
7416         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7417
7418 2009-10-09  Mikolaj Zalewski  <[email protected]>
7419
7420         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7421         Incremental_checker.
7422         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7423         unsigned int.
7424         (class Incremental_inputs_header): New class.
7425         (Incremental_inputs_header_writer): Edit comment.
7426         (Incremental_inputs_entry): New class.
7427         (Incremental_inputs_entry_writer): Edit comment.
7428         (Sized_incremental_binary::do_find_incremental_inputs_section):
7429         Add *strtab_shndx parameter, fill it.
7430         (Sized_incremental_binary::do_check_inputs): New method.
7431         (Incremental_checker::can_incrementally_link_output_file): Use
7432         Sized_incremental_binary::check_inputs.
7433         (Incremental_inputs::report_command_line): Save command line in
7434         command_line_.
7435         * incremental.h:
7436         (Incremental_binary::find_incremental_inputs_section): New
7437         method.
7438         (Incremental_binary::do_find_incremental_inputs_section): Add
7439         strtab_shndx parameter.
7440         (Incremental_binary::do_check_inputs): New pure virtual method.
7441         (Sized_incremental_binary::do_check_inputs): Declare.
7442         (Incremental_checker::Incremental_checker): Add incremental_inputs
7443         parameter, use it to initialize incremental_inputs_.
7444         (Incremental_checker::incremental_inputs_): New field.
7445         (Incremental_checker::command_line): New method.
7446         (Incremental_checker::inputs): New method.
7447         (Incremental_checker::command_line_): New field.
7448
7449 2009-10-09  Mikolaj Zalewski  <[email protected]>
7450
7451         * incremental.cc: Include <cstdarg> and "target-select.h".
7452         (vexplain_no_incremental): New function.
7453         (explain_no_incremental): New function.
7454         (Incremental_binary::error): New method.
7455         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7456         method.
7457         (make_sized_incremental_binary): New function.
7458         (open_incremental_binary): New function.
7459         (can_incrementally_link_file): Add checks if output is ELF and has
7460         inputs section.
7461         * incremental.h: Include "elfcpp_file.h" and "output.h".
7462         (Incremental_binary): New class.
7463         (Sized_incremental_binary): New class.
7464         (open_incremental_binary): Declare.
7465         * object.cc (is_elf_object): Use
7466         elfcpp::Elf_recognizer::is_elf_file.
7467         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7468         * output.h (Output_file::filesize): New method.
7469
7470 2009-10-07  Viktor Kutuzov  <[email protected]>
7471
7472         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7473         New function.
7474         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7475         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7476         function.
7477         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7478         function.
7479         (Arm_relocate_functions::movw_abs_nc): New function.
7480         (Arm_relocate_functions::movt_abs): New function.
7481         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7482         (Arm_relocate_functions::thm_movt_abs): New function.
7483         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7484         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7485         (Scan::global): Likewise.
7486         (Relocate::relocate): Likewise.
7487         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7488
7489 2009-10-07  Viktor Kutuzov  <[email protected]>
7490
7491         * arm.cc (Arm_relocate_functions::got_prel) New function.
7492         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7493         (Relocate::relocate): Likewise.
7494         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7495
7496 2009-10-06  Ian Lance Taylor  <[email protected]>
7497
7498         * options.h (class General_options): Define
7499         split_stack_adjust_size parameter.
7500         * object.h (class Object): Add uses_split_stack_ and
7501         has_no_split_stack_ fields.  Add uses_split_stack and
7502         has_no_split_stack accessor functions.  Declare
7503         handle_split_stack_section.
7504         (class Reloc_symbol_changes): Define.
7505         (class Sized_relobj): Define Function_offsets.  Declare
7506         split_stack_adjust, split_stack_adjust_reltype, and
7507         find_functions.
7508         * object.cc (Object::handle_split_stack_section): New function.
7509         (Sized_relobj::do_layout): Call handle_split_stack_section.
7510         * dynobj.cc (Sized_dynobj::do_layout): Call
7511         handle_split_stack_section.
7512         * reloc.cc (Sized_relobj::relocate_sections): Call
7513         split_stack_adjust for executable sections in split_stack
7514         objects.  Pass reloc_map to relocate_section.
7515         (Sized_relobj::split_stack_adjust): New function.
7516         (Sized_relobj::split_stack_adjust_reltype): New function.
7517         (Sized_relobj::find_functions): New function.
7518         * target-reloc.h: Include "object.h".
7519         (relocate_section): Add reloc_symbol_changes parameter.  Change
7520         all callers.
7521         * target.h (class Target): Add calls_non_split method.  Declare
7522         do_calls_non_split virtual method.  Declare match_view and
7523         set_view_to_nop.
7524         * target.cc: Include "elfcpp.h".
7525         (Target::do_calls_non_split): New function.
7526         (Target::match_view): New function.
7527         (Target::set_view_to_nop): New function.
7528         * gold.cc (queue_middle_tasks): Give an error if mixing
7529         split-stack and non-split-stack objects with -r.
7530         * i386.cc (Target_i386::relocate_section): Add
7531         reloc_symbol_changes parameter.
7532         (Target_i386::do_calls_non_split): New function.
7533         * x86_64.cc (Target_x86_64::relocate_section): Add
7534         reloc_symbol_changes parameter.
7535         (Target_x86_64::do_calls_non_split): New function.
7536         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7537         parameter.
7538         * powerpc.cc (Target_powerpc::relocate_section): Add
7539         reloc_symbol_changes parameter.
7540         * sparc.cc (Target_sparc::relocate_section): Add
7541         reloc_symbol_changes parameter.
7542         * configure.ac: Call AM_CONDITIONAL for the default target.
7543         * configure: Rebuild.
7544         * testsuite/Makefile.am (TEST_AS): New variable.
7545         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7546         (check_DATA): Add split_i386 and split_x86_64 files.
7547         (SPLIT_DEFSYMS): Define.
7548         (split_i386_[1234n].o): New targets.
7549         (split_i386_[124]): New targets.
7550         (split_i386_[1234r].stdout): New targets.
7551         (split_x86_64_[1234n].o): New targets.
7552         (split_x86_64_[124]): New targets.
7553         (split_x86_64_[1234r].stdout): New targets.
7554         (MOSTLYCLEANFILES): Add new executables.
7555         * testsuite/split_i386.sh: New file.
7556         * testsuite/split_x86_64.sh: New file.
7557         * testsuite/split_i386_1.s: New file.
7558         * testsuite/split_i386_2.s: New file.
7559         * testsuite/split_i386_3.s: New file.
7560         * testsuite/split_i386_4.s: New file.
7561         * testsuite/split_i386_n.s: New file.
7562         * testsuite/split_x86_64_1.s: New file.
7563         * testsuite/split_x86_64_2.s: New file.
7564         * testsuite/split_x86_64_3.s: New file.
7565         * testsuite/split_x86_64_4.s: New file.
7566         * testsuite/split_x86_64_n.s: New file.
7567         * testsuite/testfile.cc (Target_test): Update relocation_section
7568         function.
7569         * testsuite/Makefile.in: Rebuild.
7570
7571 2009-10-06  Ian Lance Taylor  <[email protected]>
7572
7573         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7574         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7575         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7576         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7577         the address on ldo_addrs_.
7578         (Target_i386::Relocate::fix_up_ldo): New function.
7579
7580 2009-10-06   Rafael Espindola  <[email protected]>
7581
7582         * plugin.cc (add_input_library): New.
7583         (Plugin::load): Add add_input_library to tv.
7584         (Plugin_manager::add_input_file): Add the is_lib argument.
7585         (add_input_file): Update call to Plugin_manager::add_input_file.
7586         (add_input_library): New.
7587         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7588
7589 2009-09-30  Doug Kwan  <[email protected]>
7590
7591         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7592         symbol and call Symbol::may_need_copy_reloc to determine if
7593         a copy reloc is needed.
7594         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7595         nocopyreloc is given in command line.
7596         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7597         given in command line.
7598         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7599         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7600         of the removed Target_i386::may_need_copy_reloc.
7601         * options.h (copyreloc): New option with default value false.
7602         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7603         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7604         instead of the removed Target_powerpc::may_need_copy_reloc.
7605         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7606         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7607         instead of the removed Target_sparc::may_need_copy_reloc.
7608         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7609         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7610         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7611         instead of the removed Target_x86_64::may_need_copy_reloc.
7612
7613 2009-09-30  Ian Lance Taylor  <[email protected]>
7614
7615         * object.h (class Object): Remove target_ field, and target,
7616         sized_target, and set_target methods.
7617         (Object::sized_target): Remove.
7618         (class Sized_relobj): Update declarations.  Remove sized_target.
7619         * object.cc (Sized_relobj::setup): Remove target parameter.
7620         Change all callers.
7621         (Input_objects::add_object): Don't do anything with the target.
7622         (make_elf_sized_object): Add punconfigured parameter.  Change all
7623         callers.  Set or test parameter target.
7624         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7625         Change all callers.
7626         * parameters.cc (Parameters::set_target): Change parameter type to
7627         be non-const.
7628         (Parameters::default_target): Remove.
7629         (set_parameters_target): Change parameter type to be non-const.
7630         (parameters_force_valid_target): New function.
7631         (parameters_clear_target): New function.
7632         * parameters.h (class Parameters): Update declarations.  Remove
7633         default_target method.  Add sized_target and clear_target
7634         methods.  Change target_ to be non-const.
7635         (set_parameters_target): Update declaration.
7636         (parameters_force_valid_target): Declare.
7637         (parameters_clear_target): Declare.
7638         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7639         as NULL if we aren't searching.
7640         (Add_symbols::run): Don't check for compatible target.
7641         * fileread.cc (Input_file::open_binary): Call
7642         parameters_force_valid_target.
7643         * gold.cc (queue_middle_tasks): Likewise.
7644         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7645         set_target on object.
7646         * dynobj.h (class Sized_dynobj): Update declarations.
7647         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7648         make_elf_object returns NULL.
7649         (Archive::include_member): Don't check whether object target is
7650         compatible.
7651         * output.cc (Output_section::add_input_section): Get target from
7652         parameters.
7653         (Output_section::relax_input_section): Likewise.
7654         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7655         parameters.
7656         (Sized_relobj::do_scan_relocs): Likewise.
7657         (Sized_relobj::relocate_sections): Likewise.
7658         * resolve.cc (Symbol_table::resolve): Likewise.
7659         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7660         parameter.  Change all callers.
7661         (Symbol_table::add_from_object): Get target from parameters.
7662         (Symbol_table::add_from_relobj): Don't check object target.
7663         (Symbol_table::add_from_dynobj): Likewise.
7664         (Symbol_table::define_special_symbol): Get target from
7665         parameters.
7666         * symtab.h (class Symbol_table): Update declaration.
7667         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7668         parameter.  Change all callers.  Clear parameter target.
7669         (Binary_test): Test target here.
7670         * testsuite/object_unittest.cc (gold_testsuite): Remove
7671         target_test_pointer parameter.  Change all callers.
7672         (Object_test): Test target here.
7673
7674 2009-09-26  Ian Lance Taylor  <[email protected]>
7675
7676         * testsuite/initpri1.c: Don't try to use constructor priorities if
7677         compiling with gcc before 4.3.
7678
7679 2009-09-22  Mikolaj Zalewski  <[email protected]>
7680
7681         * testsuite/retain_symbols_file_test.sh (check_present): Change
7682         output file name to retain_symbols_file_test.stdout.
7683         (check_absent): Likewise.
7684
7685 2009-09-18  Craig Silverstein  <[email protected]>
7686
7687         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7688         * options.cc: Include <cerrno> and <fstream>.
7689         (General_options::finalize): Parse -retain-symbols-file tag.
7690         * options.h: New flag.
7691         (General_options): New method should_retain_symbol, new
7692         variable symbols_to_retain.
7693         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7694         should_retain_symbol map.
7695         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7696         * testsuite/Makefile.in: Regenerate.
7697         * testsuite/retain_symbols_file_test.sh: New file.
7698
7699 2009-09-18  Nick Clifton  <[email protected]>
7700
7701         * po/es.po: Updated Spanish translation.
7702
7703 2009-09-17  Doug Kwan  <[email protected]>
7704
7705         * debug.h (DEBUG_RELAXATION): New constant.
7706         (DEBUG_ALL): Add DEBUG_RELAXATION.
7707         (debug_string_to_enum): Add relaxation debug option.
7708         * layout.cc
7709         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7710         Layout::Relaxation_debug_check::read_sections,
7711         Layout::Relaxation_debug_check::read_sections): New method definitions.
7712         (Layout::Layout): Initialize data members
7713         record_output_section_data_from_scrips_,
7714         script_output_section_data_list_ and relaxation_debug_check_.
7715         (Layout::save_segments, Layout::restore_segments,
7716         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7717         Layout::relaxation_loop_body): New method definitions.
7718         (Layout::finalize): Support relaxation.  Move section layout code to
7719         Layout::relaxation_loop_body.
7720         (Layout::set_asection_address_from_script): Move code for orphan
7721         section placement out.
7722         (Layout::place_orphan_sections_in_script): New method definition.
7723         * layout.h (Output_segment_headers, Output_file_header):
7724         New forward class declarations.
7725         (Layout::~Layout): Define.
7726         (Layout::new_output_section_data_from_script): New method definition.
7727         (Layout::place_orphan_sections_in_script): New method declaration.
7728         (Layout::Segment_states): New type declaration.
7729         (Layout::save_segments, Layout::restore_segments,
7730         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7731         Layout::relaxation_loop_body): New method declarations.
7732         (Layout::Output_section_data_list): New type declaration.
7733         (Layout::Relaxation_debug_check): New class definition.
7734         (Layout::record_output_section_data_from_script_,
7735         Layout::script_output_section_data_list_, Layout::segment_states_,
7736         Layout::relaxation_debug_check_): New data members.
7737         * output.cc: (Output_section_headers::do_size): New method definition.
7738         (Output_section_headers::Output_section_headers): Move size
7739         computation to Output_section_headers::do_size.
7740         (Output_segment_headers::do_size): New method definition.
7741         (Output_file_header::Output_file_header): Move size computation to
7742         Output_file_header::do_size and call it.
7743         (Output_file_header::do_size): New method definition.
7744         (Output_data_group::Output_data_group): Adjust call to
7745         Output_section_data.
7746         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7747         (Output_symtab_xindex::do_write): Add array bound check.
7748         (Output_section::Input_section::print_to_mapfile): Handle
7749         RELAXED_INPUT_SECTION_CODE.
7750         (Output_section::Output_section): Initialize data member checkpoint_.
7751         (Output_section::~Output_section): Delete checkpoint object pointed
7752         by checkpoint_.
7753         (Output_section::add_input_section): Always add an Input_section if
7754         relaxing.
7755         (Output_section::add_merge_input_section): Add assert.
7756         (Output_section::relax_input_section): New method definition.
7757         (Output_section::set_final_data_size): Set load address to zero for
7758         an unallocated section.
7759         (Output_section::do_address_and_file_offset_have_reset_values):
7760         New method definition.
7761         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7762         Handle relaxed input section.
7763         (Output_section::sort_attached_input_sections): Checkpoint input
7764         section list lazily.
7765         (Output_section::get_input_sections): Change type of input_sections to
7766         list of Simple_input_section pointers.  Checkpoint input section list
7767         lazily.  Also handle relaxed input sections.
7768         (Output_section::add_input_section_for_script): Take a reference to
7769         a Simple_input_section object instead of Relobj pointer and section
7770         index as parameter.  Handle relaxed input sections.
7771         (Output_section::save_states, Output_section::restore_states): New
7772         method definitions.
7773         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7774         (Output_data::is_data_size_fixed): New method definition.
7775         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7776         if it is fixed.
7777         (Output_data::address_and_file_offset_have_reset_values): New method
7778         definition.
7779         (Output_data::do_address_and_file_offset_have_reset_values): New method
7780         definition.
7781         (Output_data::set_data_size): Check that data size is not fixed.
7782         (Output_data::fix_data_size): New method definition.
7783         (Output_data::is_data_size_fixed_): New data member.
7784         (Output_section_headers::set_final_data_size): New method definition.
7785         (Output_section_headers::do_size): New method declaration.
7786         (Output_segment_headers::set_final_data_size): New method definition.
7787         (Output_segment_headers::do_size): New method declaration.
7788         (Output_file_header::set_final_data_size)::New method definition.
7789         (Output_file_header::do_size)::New method declaration.
7790         (Output_section_data::Output_section_data): Add new parameter
7791         is_data_size_fixed and use it to fix data size.
7792         (Output_data_const::Output_data_const): Adjust call to base class
7793         constructor and fix data size.
7794         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7795         base class constructor and fix data size.
7796         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7797         base class constructor and fix data size.
7798         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7799         class constructor and fix data size.
7800         (Output_data_group::set_final_data_size): New method definition.
7801         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7802         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7803         class constructor and fix data size.
7804         (Output_relaxed_input_section): New class definition.
7805         (Output_section::Simple_input_section): New class definition.
7806         (Output_section::get_input_sections): Adjust parameter list.
7807         (Output_section::add_input_section_for_script): Same.
7808         (Output_section::save_states, Output_section::restore_states,
7809         Output_section::do_address_and_file_offset_have_reset_values,
7810         (Output_section::Input_section::Input_section): Handle
7811         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7812         Output_relaxed_input_section.
7813         (Output_section::Input_section::is_input_section,
7814         Output_section::Input_section::set_output_section): Handle relaxed
7815         input section.
7816         (Output_section::Input_section::is_relaxed_input_section,
7817         Output_section::Input_section::output_section_data,
7818         Output_section::Input_section::relaxed_input_section): New method
7819         definitions.
7820         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7821         value.
7822         (Output_section::Input_section::u1_): Update comments.
7823         (Output_section::Input_section::u2_): Add new union member poris.
7824         (Output_section::Checkpoint_output_section): New classs definition.
7825         (Output_section::relax_input_section): New method declaration.
7826         (Output_section::checkpoint_): New data member.
7827         (Output_segment): Update comments.
7828         (Output_segment::Output_segment): Un-privatize copy constructor.
7829         (Output_segment::operator=): Un-privatize.
7830         * script-sections.cc (Output_section_element::Input_section_list):
7831         Change element type to Output_section::Simple_input_section.
7832         (Output_section_element_dot_assignment::set_section_addresses):
7833         Register output section data for relaxation clean up.
7834         (Output_data_exression::Output_data_expression): Adjust call to base
7835         constructor to fix data size.
7836         (Output_section_element_data::set_section_addresses): Register
7837         Output_data_expression object for relaxation clean up.
7838         (struct Input_section_info): Replace Relobj pointer and section index
7839         pair with Output_section::Simple_input_section and Convert struct to a
7840         class.
7841         (Input_section_sorter::operator()): Adjust access to
7842         Input_section_info data member to use accessors.
7843         (Output_section_element_input::set_section_addresses): Use layout
7844         parameter.  Adjust code to use Output_section::Simple_input_section
7845         and Input_secction_info classes.  Register filler for relaxation
7846         clean up.
7847         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7848         and section index pair with Output_section::Simple_input_section
7849         class.  Adjust code accordingly.
7850         (Phdrs_element::release_segment): New method definition.
7851         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7852         segment list.
7853         (Script_sections::release_segments): New method definition.
7854         * gold/script-sections.h (Script_sections::release_segments): New
7855         method declaration.
7856         * gold/target.h (Target::may_relax, Target::relax,
7857         Target::do_may_relax, Target::do_relax): New method definitions.
7858
7859 2009-09-17  Viktor Kutuzov  <[email protected]>
7860
7861         * arm.cc (has_signed_unsigned_overflow): New function.
7862         (Arm_relocate_functions::abs8): New function.
7863         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7864         (Target_arm::Scan::global): Likewise.
7865         (Target_arm::relocate::relocate): Likewise.
7866         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7867         Likewise.
7868
7869 2009-09-16  Cary Coutant  <[email protected]>
7870
7871         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7872         * testsuite/Makefile.in: Regenerate.
7873
7874 2009-09-11  Nick Clifton  <[email protected]>
7875
7876         * po/gold.pot: Updated by the Translation project.
7877
7878 2009-09-08  Cary Coutant  <[email protected]>
7879
7880         * output.cc (Output_file::open): Add execute permission to empty file.
7881         * testsuite/Makefile.am (permission_test): New test.
7882         * testsuite/Makefile.in: Regenerate.
7883
7884 2009-09-02  Ian Lance Taylor  <[email protected]>
7885
7886         * output.cc (Output_file::resize): Call map_no_anonymous rather
7887         than map.
7888
7889 2009-09-01  Mikolaj Zalewski  <[email protected]>
7890
7891         * gold.cc: Include "incremental.h".
7892         (queue_initial_tasks): Call Incremental_checker methods.
7893         * incremental.cc: Include "output.h".
7894         (Incremental_checker::can_incrementally_link_output_file): New
7895         method.
7896         * incremental.h (Incremental_checker): New class.
7897
7898         * output.cc (Output_file::open_for_modification): New method.
7899         (Output_file::map_anonymous): Changed return type to bool.  Record
7900         map in base_ field.
7901         (Output_file::map_no_anonymous): New method, broken out of map.
7902         (Output_file::map): Use map_no_anonymous and map_anonymous.
7903         * output.h (class Output_file): Update declarations.
7904
7905 2009-08-24  Cary Coutant  <[email protected]>
7906
7907         * options.h (Command_line::Pre_options): New class.
7908         (Command_line::pre_options): New member.
7909         * options.cc (gold::options::ready_to_register): New variable.
7910         (One_option::register_option): Do nothing if not registering options.
7911         Assert if same short option registered twice.
7912         (General_options::General_options): Turn off option registration when
7913         done constructing.
7914         (Command_line::Pre_options::Pre_options): New constructor.
7915
7916 2009-08-24  Cary Coutant  <[email protected]>
7917
7918         * options.h (General_options::no_keep_memory): Remove incorrect
7919         short option.
7920
7921 2009-08-24  Ralf Wildenhues  <[email protected]>
7922
7923         * Makefile.am (am__skiplex, am__skipyacc): New.
7924         * Makefile.in: Regenerate.
7925
7926 2009-08-22  Ralf Wildenhues  <[email protected]>
7927
7928         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7929         (INCLUDES): ... this.
7930         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7931         (AM_CPPFLAGS): Renamed from ...
7932         (INCLUDE): ... this.
7933         * Makefile.in, testsuite/Makefile.in: Regenerate.
7934
7935         * Makefile.in: Regenerate.
7936         * aclocal.m4: Likewise.
7937         * config.in: Likewise.
7938         * configure: Likewise.
7939         * testsuite/Makefile.in: Likewise.
7940
7941         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7942         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7943         * Makefile.in: Regenerate.
7944         * testsuite/Makefile.in: Regenerate.
7945
7946 2009-08-19  Cary Coutant  <[email protected]>
7947
7948         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7949         symbols in shared libraries overridden by hidden or internal symbols
7950         in the main program.
7951
7952 2009-08-19  Chris Demetriou  <[email protected]>
7953
7954         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7955         checking source file names in error messages.
7956
7957 2009-08-18  Doug Kwan  <[email protected]>
7958
7959         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7960         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7961         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7962         an elfcpp::Ehdr as parameter.
7963         * object.cc (Object::set_target): Remove the version that looks up
7964         a target and sets it.
7965         (Sized_relobj::setup): Take a Target object instead of
7966         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7967         (make_elf_sized_object): Find target and ask target to
7968         make an ELF object.
7969         * object.h: (Object::set_target): Remove the version that looks up
7970         a target and sets it.
7971         (Sized_relobj::setup): Take a Target object instead of
7972         an elfcpp:Ehdr as parameter.
7973         * target.cc: Include dynobj.h.
7974         (Target::do_make_elf_object_implementation): New.
7975         (Target::do_make_elf_object): New.
7976         * target.h (Target::make_elf_object): New template declaration.
7977         (Target::do_make_elf_object): New method declarations.
7978         (Target::do_make_elf_object_implementation): New template declaration.
7979
7980 2009-08-14  Ian Lance Taylor  <[email protected]>
7981
7982         * gold.h (FUNCTION_NAME): Define.
7983         (gold_unreachable): Use FUNCTION_NAME.
7984
7985 2009-08-12  Sriraman Tallam  <[email protected]>
7986
7987         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7988         symbol in the --keep-unique list is not found.
7989
7990 2009-08-12  Sriraman Tallam  <[email protected]>
7991
7992         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7993         been maked as --keep-unique.
7994         (Icf::unfold_section): New function.
7995         * icf.h (Icf::unfold_section): New function.
7996         * options.h (General_options::keep_unique): New option.
7997         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7998         * testsuite/Makefile.in: Regenerate.
7999         * testsuite/icf_keep_unique_test.sh: New file.
8000         * testsuite/icf_keep_unique_test.cc: New file.
8001
8002 2009-08-12  Cary Coutant  <[email protected]>
8003
8004         PR 10471
8005         * resolve.cc (Symbol_table::resolve): Check for references from
8006         dynamic objects to hidden and internal symbols.
8007         * testsuite/Makefile.am (hidden_test.sh): New test.
8008         * testsuite/Makefile.in: Regenerate.
8009         * testsuite/hidden_test.sh: New script.
8010         * testsuite/hidden_test_1.c: New test source.
8011         * testsuite/hidden_test_main.c: New test source.
8012
8013 2009-08-11  Doug Kwan  <[email protected]>
8014
8015         * arm.cc: Update comments.
8016         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8017         segment to locate the .ARM.exidx section if present.
8018
8019 2009-08-09  Doug Kwan  <[email protected]>
8020
8021         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8022         patch.
8023
8024 2009-08-07  Sriraman Tallam  <[email protected]>
8025         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8026         compiler warnings.
8027
8028 2009-08-06  Sriraman Tallam  <[email protected]>
8029
8030         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8031         valid tls_segment only for non-debug-section relocations.
8032         * testsuite/Makefile.am: Add gc_tls_test.
8033         * testsuite/Makefile.in: Regenerate.
8034         * testsuite/gc_tls_test.cc: New file.
8035         * testsuite/gc_tls_test.sh: New file.
8036
8037 2009-08-05  Sriraman Tallam  <[email protected]>
8038
8039         * icf.cc: New file.
8040         * icf.h: New file.
8041         * Makefile.am (CCFILES): Add icf.cc.
8042         (HFILES): Add icf.h
8043         * Makefile.in: Regenerate.
8044         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8045         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8046         section, symbol and addend information for the relocs.
8047         * gold.cc (queue_middle_tasks): Call identical code folding.
8048         * gold.h: Add defines for multimap.
8049         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8050         to the call of finalize_local_symbols.
8051         * main.cc (main): Create object of class Icf.
8052         * object.cc (Sized_relobj::do_layout): Allow this function to be
8053         called twice during icf.
8054         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8055         to sections marked as identical by icf.
8056         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8057         when available.
8058         (Sized_relobj::do_section_entsize): New function.
8059         * object.h (Object::section_entsize): New function.
8060         (Object::do_section_entsize): New pure virtual function.
8061         (Relobj::finalize_local_symbols): Add new parameter.
8062         (Relobj::do_section_entsize): New function.
8063         * options.h (General_options::icf): New option.
8064         (General_options::icf_iterations): New option.
8065         (General_options::print_icf_sections): New option.
8066         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8067         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8068         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8069         icf.
8070         * symtab.cc (Symbol_table::is_section_folded): New function.
8071         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8072         to sections marked as identical by icf.
8073         * symtab.h (Symbol_table::set_icf): New function.
8074         (Symbol_table::icf): New function.
8075         (Symbol_table::is_section_folded): New function.
8076         (Symbol_table::icf_): New data member.
8077         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8078         * testsuite/Makefile.am: Add commands to build icf_test.
8079         * testsuite/Makefile.in: Regenerate.
8080         * testsuite/icf_test.sh: New file.
8081         * testsuite/icf_test.cc: New file.
8082
8083 2009-07-24  Chris Demetriou  <[email protected]>
8084
8085         * layout.cc (is_compressible_debug_section): Fix incorrect
8086         comment about compressed section names.
8087
8088 2009-07-20  Ian Lance Taylor  <[email protected]>
8089
8090         PR 10419
8091         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8092
8093 2009-07-16  Ian Lance Taylor  <[email protected]>
8094
8095         PR 10400
8096         * layout.h: #include <map>.
8097         (class Kept_section): Change from struct to class.  Add accessors
8098         and setters.  Add section size to Comdat_group mapping.  Change
8099         Comdat_group to std::map.  Add is_comdat_ field.  Add
8100         linkonce_size field in union.
8101         (class Layout): Update declaration of find_or_add_kept_section.
8102         Don't declare find_kept_object.
8103         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8104         parameter.  Add object, shndx, is_comdat, and is_group_name
8105         parameters.  Change all callers.  Adjust for new Kept_section.
8106         (Layout::find_kept_object): Remove.
8107         * object.cc (Sized_relobj::include_section_group): Update use of
8108         Kept_section.  Rename secnum to shndx.  Only record
8109         Kept_comdat_section if sections are the same size.
8110         (Sized_relobj::include_linkonce_section): Update use of
8111         Kept_section.  Only record Kept_comdat_section if sections are the
8112         same size.  Set size of linkonce section.
8113         (Sized_relobj::map_to_kept_section): Update call to
8114         get_kept_comdat_section.
8115         * object.h (class Sized_relobj): Rename fields in
8116         Kept_comdat_section to drop trailing underscores; change object
8117         field to Relobj*.  Change Kept_comdat_section_table to store
8118         struct rather than pointer.
8119         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8120         Add kept_object and kept_shndx parameters.  Change all callers.
8121         (Sized_relobj::get_kept_comdat_section): Change return type to
8122         bool.  Add kept_object and kept_shndx parameters.  Change all
8123         callers.
8124         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8125         Layout::find_or_add_kept_section.
8126
8127 2009-07-09  Ian Lance Taylor  <[email protected]>
8128
8129         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8130         Reserve space in the hash table.
8131
8132 2009-07-06  Mikolaj Zalewski  <[email protected]>
8133
8134         * fileread.cc (File_read::get_mtime): New method.
8135         * fileread.h (Timespec): New structure.
8136         (File_read::get_mtime): New method.
8137         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8138         Renamed from timestamp_nsec.
8139         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8140         Elf_Xword.
8141         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8142         timestamp_nsec.
8143         (Incremental_inputs::report_archive): Save mtime; style fix.
8144         (Incremental_inputs::report_obejct): Save mtime; style fix.
8145         (Incremental_inputs::report_script): Save mtime; style fix.
8146         (Incremental_inputs::finalize_inputs): Style fix.
8147         (Incremental_inputs::finalize): Style fix.
8148         (Incremental_inputs::create_input_section_data): Store inputs
8149         mtime.
8150         * incremental.h (Incremental_inputs::report_script): Add mtime
8151         argument.
8152         (Incremental_inputs::Input_info::Input_info): Intialize only one
8153         union member.
8154         (Incremental_inputs::Input_info::archive): Move to nameless
8155         union.
8156         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8157         (Incremental_inputs::Input_info::script): Move to nameless union.
8158         (Incremental_inputs::mtime): New field.
8159         * script.cc (read_input_script): Pass file mtime to
8160         Incremental_input.
8161         * script.h (Script_info::inputs): Style fix.
8162
8163 2009-07-01  Ian Lance Taylor  <[email protected]>
8164
8165         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8166         instead of 32.
8167
8168 2009-06-24  Ian Lance Taylor  <[email protected]>
8169
8170         PR 10156
8171         * layout.cc (Layout::choose_output_section): If we find an
8172         existing section, update the flags.
8173         (Layout::create_notes): New function, broken out of
8174         Layout::finalize.
8175         (Layout::finalize): Don't create note sections.
8176         (Layout::create_note): Don't crash if linker script discards
8177         section.
8178         (Layout::create_gold_note): Likewise.
8179         (Layout::create_build_id): Likewise.  Don't set
8180         after_input_sections on the section.
8181         (Layout::create_executable_stack_info): Remove target parameter.
8182         Change caller.
8183         * layout.h (class Layout): Declare create_notes.  Update
8184         declaration of create_executable_stack_info.
8185         * gold.cc (queue_middle_tasks): Call create_notes.
8186         * output.cc (Output_section::update_flags_for_input_section): Move
8187         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8188         invalid.
8189         * output.h (Output_data::mark_address_invalid): New function.
8190         (class Output_section): Only declare, not define,
8191         update_flags_for_input_section.  Remove set_flags.
8192
8193 2009-06-24  Ian Lance Taylor  <[email protected]>
8194
8195         * script-sections.cc (Output_section_definition::
8196         set_section_addresses): Rename shadowing local load_address to
8197         laddr.
8198
8199 2009-06-24  Ian Lance Taylor  <[email protected]>
8200
8201         PR 10244
8202         * reloc.cc (relocate_sections): Skip empty relocation sections.
8203
8204 2009-06-23  Ian Lance Taylor  <[email protected]>
8205
8206         PR 10156
8207         * layout.cc (Layout::create_note): Use choose_output_section
8208         rather than make_output_section.
8209
8210 2009-06-23  Ian Lance Taylor  <[email protected]>
8211
8212         PR 10237
8213         * options.cc (General_options::parse_V): Set printed_version_.
8214         (General_options::General_options): Initialize printed_version_.
8215         * options.h (class General_options): Add printed_version_ field.
8216         * gold.cc (queue_initial_tasks): If there are no input files,
8217         don't give a fatal error if we printed the version information.
8218         (queue_middle_tasks): If using -r with a shared object, give a
8219         fatal error rather than an ordinary error.
8220
8221 2009-06-23  Ian Lance Taylor  <[email protected]>
8222
8223         PR 10219
8224         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8225         (Layout::make_output_section): Set have_stabstr_section_ if we see
8226         a .stab*str section.
8227         (Layout::finalize): Call link_stabs_sections.
8228         (Layout::link_stabs_sections): New file.
8229         * layout.h (class Layout): Add have_stabstr_section_ field.
8230         Declare link_stabs_sections.
8231
8232 2009-06-23  Doug Kwan  <[email protected]>
8233
8234         * Makefile.am (libgold_a_LIBADD): New.
8235         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8236         * Makefile.in: Regenerate.
8237         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8238         * configure: Regenerate.
8239         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8240         * fileread.cc: Include sys/state.h
8241         * gold.h: Declare memmem and strndup if found missing.
8242         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8243
8244 2009-06-23  Ian Lance Taylor  <[email protected]>
8245
8246         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8247         * configure: Rebuild.
8248
8249 2009-06-23  Ian Lance Taylor  <[email protected]>
8250
8251         PR 10147
8252         * object.cc (Object::section_contents): Don't try to get a view if
8253         the section has length zero.
8254         (Object::handle_gnu_warning_section): If the section is empty, use
8255         the name of the section as the warning.
8256
8257 2009-06-23  Ian Lance Taylor  <[email protected]>
8258
8259         PR 10133
8260         * stringpool.h (class Stringpool_template): Add optimize_ field.
8261         (Stringpool_template::set_optimize): New function.
8262         * stringpool.cc (Stringpool_template::Stringpool_template):
8263         Initialize optimize_ field.
8264         (Stringpool_template::set_string_offsets): Test local optimize
8265         fild rather than parameter.
8266         * layout.cc (Layout::Layout): Call set_optimize on the section
8267         name stringpool.
8268
8269 2009-06-22  Ian Lance Taylor  <[email protected]>
8270
8271         PR 10030
8272         * yyscript.y: Parse TARGET.
8273         * script.cc (script_set_target): New function.
8274         * script-c.h (script_set_target): Declare.
8275         * options.cc (General_options::string_to_object_format): Rename
8276         from string_to_object_format in anonymous namespace.  Change
8277         callers.
8278         * options.h (class General_options): Declare
8279         string_to_object_format.
8280
8281 2009-06-22  Ian Lance Taylor  <[email protected]>
8282
8283         * script-sections.cc (Script_sections::create_segments): Don't put
8284         program headers in a PT_LOAD segment if -n or -N.
8285
8286 2009-06-22  Ian Lance Taylor  <[email protected]>
8287
8288         PR 10141
8289         * options.h (class General_options): Add -z lazy and -z now.  Sort
8290         -z options into alphabetical order.
8291         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8292
8293 2009-06-21  Ian Lance Taylor  <[email protected]>
8294
8295         * layout.cc (Layout::make_output_section): Call
8296         Target::new_output_section.
8297         (Layout::attach_allocated_section_to_segment): Put large section
8298         sections in a separate load segment with the large segment flag
8299         set.
8300         (Layout::segment_precedes): Sort large data segments after other
8301         load segments.
8302         (align_file_offset): New static function.
8303         (Layout::set_segment_offsets): Use align_file_offset.
8304         * output.h (class Output_section): Add is_small_section_ and
8305         is_large_section_ fields.
8306         (Output_section::is_small_section): New function.
8307         (Output_section::set_is_small_section):  New function.
8308         (Output_section::is_large_section): New function.
8309         (Output_section::set_is_large_section): New function.
8310         (Output_section::is_large_data_section): New function.
8311         (class Output_segment): Add is_large_data_segment_ field.
8312         (Output_segment::is_large_data_segment): New function.
8313         (Output_segment::set_is_large_data_segment): New function.
8314         * output.cc (Output_section::Output_section): Initialize new
8315         fields.
8316         (Output_segment::Output_segment): Likewise.
8317         (Output_segment::add_output_section): Add assertion that large
8318         data sections always go in large data segments.  Force small data
8319         sections to the end of the list of data sections.  Force small BSS
8320         sections to the start of the list of BSS sections.  For large BSS
8321         sections to the end of the list of BSS sections.
8322         * symtab.h (class Symbol): Declare is_common_shndx.
8323         (Symbol::is_defined): Check Symbol::is_common_shndx.
8324         (Symbol::is_common): Likewise.
8325         (class Symbol_table): Define enum Commons_section_type.  Update
8326         declarations.  Add small_commons_ and large_commons_ fields.
8327         * symtab.cc (Symbol::is_common_shndx): New function.
8328         (Symbol_table::Symbol_table): Initialize new fields.
8329         (Symbol_table::add_from_object): Put small and large common
8330         symbols in the right list.
8331         (Symbol_table::sized_finalized_symbol): Check
8332         Symbol::is_common_shndx.
8333         (Symbol_table::sized_write_globals): Likewise.
8334         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8335         common symbol lists.  Don't call do_allocate_commons_list if the
8336         list is empty.
8337         (Symbol_table::do_allocate_commons_list): Remove is_tls
8338         parameter.  Add comons_section_type parameter.  Change all
8339         callers.  Handle small and large common symbols.
8340         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8341         Symbol::is_common_shndx.
8342         * resolve.cc (symbol_to_bits): Likewise.
8343         * target.h (Target::small_common_shndx): New function.
8344         (Target::small_common_section_flags): New function.
8345         (Target::large_common_shndx): New function.
8346         (Target::large_common_section_flags): New function.
8347         (Target::new_output_section): New function.
8348         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8349         small_common_section_flags, and large_common_section_flags
8350         fields.
8351         (Target::do_new_output_section): New virtual function.
8352         * arm.cc (Target_arm::arm_info): Initialize new fields.
8353         * i386.cc (Target_i386::i386_info): Likewise.
8354         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8355         Likewise.
8356         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8357         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8358         (Target_x86_64::do_new_output_section): New function.
8359         * configure.ac: Define conditional MCMODEL_MEDIUM.
8360         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8361         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8362         (large_LDFLAGS): Define.
8363         * testsuite/large.c: New file.
8364         * testsuite/testfile.cc (Target_test::test_target_info):
8365         Initialize new fields.
8366         * configure, testsuite/Makefile.in: Rebuild.
8367
8368 2009-06-05  Doug Kwan  <[email protected]>
8369
8370         * Makefile.am (CCFILES): Add target.cc.
8371         * Makefile.in: Regenerate.
8372         * i386.cc (class Target_i386): Define new virtual method to
8373         override do_is_local_label_name in parent.
8374         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8375         local symbols if --discard-locals or -X is given.
8376         * options.h (class General_options): Declare new options
8377         '--discard-locals' and '-X' for discarding locals.
8378         * target.h (class Target): Define new methods is_local_label_name.
8379         Declare new virtual method do_is_local_label_name.
8380         * target.cc: New file.
8381         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8382         (check_SCRIPTS): Add discard_locals_test.sh.
8383         (check_DATA): Add discard_local_tests.syms.
8384         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8385         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8386         * testsuite/Makefile.in: Regenerate.
8387         * testsuite/discard_locals_test.c: New file.
8388         * testsuite/discard_locals_test.sh: Same.
8389
8390 2009-06-05  Doug Kwan  <[email protected]>
8391
8392         * object.cc (Sized_relobj::Sized_relobj): Initialize
8393         discarded_eh_frame_shndx_ to -1U.
8394         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8395         section.
8396         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8397         a discarded .eh_frame section.
8398         (Sized_relobj::do_finalize_local_symbols): Ditto.
8399         * object.h (class Sized_relobj): Declare new member
8400         discarded_eh_frame_shndx_.
8401         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8402         (local_labels_test.o, local_labels_test): New rules.
8403         * testsuite/Makefile.in: Regenerate.
8404
8405 2009-06-04  Doug Kwan  <[email protected]>
8406
8407         * layout.cc (Layout::section_name_mapping): Add mapping for
8408         special ARM sections.
8409
8410 2009-06-03  Doug Kwan  <[email protected]>
8411
8412         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8413         (utils::has_overflow): Same.
8414
8415 2009-06-03  Ian Lance Taylor  <[email protected]>
8416
8417         * layout.cc (Layout::section_name_mapping): New array, replacing
8418         Layout::linkonce_mapping.
8419         (Layout::section_name_mapping_count): New variable, replacing
8420         Layout::linkonce_mapping_count.
8421         (Layout::linkonce_output_name): Remove.
8422         (Layout::output_section_name): Rewrite.
8423         * layout.h (class Layout): Rename Linkonce_mapping to
8424         Section_name_mapping, linkonce_mapping to section_name_mapping,
8425         linkonce_mapping_count to section_name_mapping_count.  Don't
8426         declare linkonce_output_name.
8427
8428 2009-06-03  Doug Kwan  <[email protected]>
8429
8430         * gold/arm.cc (namespace utils): New.
8431         (Target_arm::reloc_is_non_pic): Define new method.
8432         (class Arm_relocate_functions): New.
8433         (Target_arm::Relocate::relocate): Handle relocation types used by
8434         Android.
8435
8436 2009-06-03  Ian Lance Taylor  <[email protected]>
8437
8438         * arm.cc (Target_arm::scan::global): Use || instead of |.
8439
8440 2009-06-02  Doug Kwan  <[email protected]>
8441
8442         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8443         issued_non_pic_error_.
8444         (class Target_arm::Scan): Declare new method check_non_pic.
8445         Define new method symbol_needs_plt_entry.
8446         Declare new data member issued_non_pic_error_.
8447         (class Target_arm::Relocate): Declare new method
8448         should_apply_static_reloc.
8449         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8450         (Target_arm::Scan::check_non_pic): Define new method.
8451         (Target_arm::Scan::local): Handle a small subset of reloc types used
8452         by Android.
8453         (Target_arm::Scan::local): Same.
8454         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8455
8456 2009-05-31  Mikolaj Zalewski  <[email protected]>
8457
8458         * incremental.cc (Incremental_inputs::report_command_line): Filter
8459         out --incremental-* options.
8460
8461 2009-05-29  Doug Kwan  <[email protected]>
8462
8463         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8464         template class.
8465         (class Target_arm): Update comment.
8466         (Target_arm::Target_arm): Initialize new data members GOT_,
8467         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8468         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8469         and Target_arm::rel_dyn_section.
8470         Declare new_enum Target_arm::Got_type.
8471         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8472         and DYNBSS_.
8473         Update commments for member do_dynsym_value.
8474         (Target_arm::got_size, Target_arm::plt_section,
8475         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8476         new methods inside class defintion.
8477         (Target_arm::got_section): Define new method.
8478         (Target_arm::rel_dyn_section): Same.
8479         (Output_data_plt_arm): New template class.
8480         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8481         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8482         (Output_data_plt_arm::add_entry): Same.
8483         (Output_data_plt_arm::first_plt_entry): Define new
8484         static data member for PLT instruction template.
8485         (Output_data_plt_arm::plt_entry): Same.
8486         (Output_data_plt_arm::do_write): Define new method.
8487         (Target_arm::make_plt_entry): Same.
8488         (Target_arm::do_finalize_sections): Same.
8489         (Target_arm::do_dynsym_value): Same.
8490
8491 2009-05-28  Doug Kwan  <[email protected]>
8492
8493         * Makefile.am (TARGETSOURCES): Add arm.cc.
8494         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8495         * Makefile.in: Regenerate.
8496         * arm.cc: New file.
8497         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8498
8499 2009-05-26  Doug Kwan  <[email protected]>
8500
8501         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8502         (General_options::check_excluded_libs): Strip off directories in
8503         archive name before matching like GNU ld does.
8504         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8505         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8506         (exclude_libs_test_LDFLAGS): Add linker option
8507         -Wl,--exclude-libs,libexclude_libs_test_3
8508         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8509         an explicit archive without using -l.
8510         (alt/libexclude_libs_test_3.a): New make rule.
8511         * testsuite/Makefile.in: Regenerate.
8512         * testsuite/exclude_libs_test.c : Declare lib3_default().
8513         (main): Call it.
8514         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8515         * exclude_libs_test_3.c: New file.
8516
8517 2009-05-26  Nick Clifton  <[email protected]>
8518
8519         * po/id.po: New Indonesian translation.
8520         * po/gold.pot: Updated template file.
8521
8522 2009-05-22  Sriraman Tallam  <[email protected]>
8523
8524         * testsuite/Makefile.am: Add -ffunction-sections to compile
8525         gc_comdat_test files.  Add -Wl,--gc-sections to build
8526         gc_comdat_test.
8527         * testsuite/Makefile.in: Regenerate.
8528         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8529
8530 2009-05-21  Sriraman Tallam  <[email protected]>
8531
8532         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8533         kept comdat section was garbage collected.
8534         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8535         * testsuite/Makefile.in: Regenerate.
8536         * testsuite/gc_comdat_test.sh: New file.
8537         * testsuite/gc_comdat_test_1.cc: New file.
8538         * testsuite/gc_comdat_test_2.cc: New file.
8539
8540 2009-05-19  Doug Kwan  <[email protected]>
8541
8542         * archive.cc (Archive::Archive): Move constructor from archive.h
8543         to here.  Initialize no_export_.
8544         (Archive::get_elf_object_for_member): Set no_export flag of object.
8545         * archive.h (Archive::Archive): Move constructor body to
8546         archive.cc.
8547         (Archive::no_export): New method.
8548         (Archive::no_export_): New field.
8549         * object.h (Object::Object): Initialize no_export_ to false.
8550         (Object::no_export, Object::set_no_export): New methods.
8551         (Object::no_export_): New field.
8552         * options.cc (General_options::parse_exclude_libs): New method.
8553         (General_options::check_excluded_libs) Same.
8554         * options.h (exclude_libs): New option.
8555         (General_options::check_excluded_libs): New method declaration.
8556         (General_options::excluded_libs_): New field.
8557         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8558         default or protected visibility if an object has no-export flag set.
8559         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8560         (check_SCRIPTS): Add exclude_libs_test.sh.
8561         (check_DATA): Add exclude_libs_test.syms.
8562         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8563         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8564         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8565         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8566         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8567         libexclude_libs_test_2.a): New rules.
8568         * testsuite/Makefile.in: Regenerate.
8569         * testsuite/exclude_libs_test.c: New file.
8570         * testsuite/exclude_libs_test.sh: Ditto.
8571         * testsuite/exclude_libs_test_1.c: Ditto.
8572         * testsuite/exclude_libs_test_2.c: Ditto.
8573
8574 2009-05-15  Ian Lance Taylor  <[email protected]>
8575
8576         * configure.ac: Check for declarations for cases where libiberty.h
8577         checks HAVE_DECL_xxx.
8578         * configure, config.in: Rebuild.
8579
8580 2009-05-15  Mikolaj Zalewski  <[email protected]>
8581
8582         * gold.h (Incremental_argument_list): Remove (invalid) forward
8583         declaration.
8584         * incremental.cc (Incremental_inputs::report_achive): New method.
8585         (Incremental_inputs::report_object): New method.
8586         (Incremental_inputs::report_script): New method.
8587         (Incremental_inputs::finalize_inputs): New method.
8588         (Incremental_inputs::finalize): Call finalize_inputs().
8589         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8590         Create inputs entries.
8591         * incremental.h (Incremental_input_type): New enum.
8592         (Incremental_inputs::Incremental_input): Initialize new fields.
8593         (Incremental_inputs::report_inputs): New method.
8594         (Incremental_inputs::report_achive): New method.
8595         (Incremental_inputs::report_object): New method.
8596         (Incremental_inputs::report_script): New method.
8597         (Incremental_inputs::finalize_inputs): New method.
8598         (Incremental_inputs::Input_info): New struct.
8599         (Incremental_inputs::Input_info_map): New typedef.
8600         (Incremental_inputs::lock_): New field.
8601         (Incremental_inputs::Inputs_): New field.
8602         (Incremental_inputs::Inputs_map): New field.
8603         * main.cc (main): Call Incremental_input::report_inputs.
8604         * options.h (Input_argument_list): Typedef moved from
8605         Input_arguments.
8606         (Input_file_group::Files): Remove, use ::Input_argument_list.
8607         (Input_file_group::Input_argument_list): Remove, use
8608         ::Input_argument_list.
8609         * plugin.cc (Plugin_manager::add_input_file): Add error in
8610         incremental build.
8611         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8612         functions.
8613         * script.cc (read_input_script): Call
8614         Incremental_input::report_script.
8615         * script.h (Script_info): New class.
8616
8617 2009-04-27  Ian Lance Taylor  <[email protected]>
8618
8619         * x86_64.cc (do_adjust_output_section): Set entsize to
8620         plt_entry_size.
8621
8622 2009-04-23  Elliott Hughes  <[email protected]>
8623
8624         * output.cc (Output_file::close): After short writes, continue
8625         writing from the correct offset in the buffer being written.
8626
8627 2009-04-23  Chris Demetriou  <[email protected]>
8628
8629         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8630         * configure: Regenerate.
8631         * config.in: Regenerate.
8632         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8633         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8634
8635 2009-04-21  Mikolaj Zalewski  <[email protected]>
8636
8637         * incremental.cc (Incremental_inputs_header_data): Renamed from
8638         Incremental_input_header_data.
8639         (Incremental_inputs_header_data::data_size): New field.
8640         (Incremental_inputs_header_data::put_input_file_count): Renamed
8641         from input_file_count.
8642         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8643         from command_line_offset.
8644         (Incremental_inputs_header_data::put_reserved): Renamed from
8645         put_reserved.
8646         (Incremental_inputs_entry_data): Renamed from
8647         Incremental_input_entry_data.
8648         (Incremental_inputs_entry_data::data_size): New field.
8649         (Incremental_inputs::report_command_line): New method.
8650         (Incremental_inputs::finalize): New method.
8651         (Incremental_inputs::create_incremental_inputs_data): New method.
8652         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8653         * incremental.h: New file.
8654         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8655        (Layout::finalize): Create incremental inputs section in
8656         incremental builds.
8657        (Layout::create_incremental_info_sections): New method.
8658         * layout.h (Layout::incremental_inputs): New method.
8659        (Layout::create_incremental_info_sections): New method.
8660        (Layout::incremental_inputs_): New field.
8661         * main.cc (main): Notify Incremental_input of the command line.
8662
8663 2009-04-01  Ian Lance Taylor  <[email protected]>
8664             Mikolaj Zalewski  <[email protected]>
8665
8666         * gold.h (reserve_unordered_map): Define, three versions, one for
8667         each version of Unordered_map.
8668         * layout.cc (Layout::Layout): Remove options parameter.  Add
8669         number_of_input_files parameter.  Don't initialize options_.
8670         Initialize number_of_input_files_ and resized_signatures_.  Move
8671         sections_are_attached_.
8672         (Layout::layout_group): Reserve space for group_signatures_.
8673         (Layout::find_or_add_kept_section): Change name parameter to be a
8674         reference.  Resize signatures_ map when it gets large enough.
8675         (Layout::layout_eh_frame): Use parameters->options() instead of
8676         this->options_.
8677         (Layout::make_output_section): Likewise.
8678         (Layout::attach_allocated_section_to_segment): Likewise.
8679         (Layout::finalize, Layout::create_executable_stack): Likewise.
8680         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8681         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8682         * layout.h (class Layout): Update declarations.  Remove options_
8683         field.  Add number_of_input_files_ and resized_signatures_
8684         fields.  Move sections_are_attached_ field.
8685         * main.cc (main): Pass number of input files to Layout
8686         constructor.  Don't pass options.
8687
8688 2009-03-30  Ian Lance Taylor  <[email protected]>
8689
8690         * ffsll.c (ffsll): Correct implementation.
8691
8692 2009-03-27  Ian Lance Taylor  <[email protected]>
8693
8694         * ffsll.c: New file.
8695         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8696         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8697         * ftruncate.c (ftruncate): Declare before definition.
8698         * mremap.c (mremap): Likewise.
8699         * pread.c (pread): Likewise.
8700         * configure, Makefile.in, config.in: Rebuild.
8701
8702         * mremap.c: New file.
8703         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8704         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8705         (mremap): Declare if HAVE_MREMAP is not defined.
8706         * configure, Makefile.in, config.in: Rebuild.
8707
8708 2009-03-27  Cary Coutant  <[email protected]>
8709
8710         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8711         position independent.
8712         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8713         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8714
8715 2009-03-24  Cary Coutant  <[email protected]>
8716
8717         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8718         an executable.
8719         (needs_dynamic_reloc): Likewise.
8720
8721 2009-03-24  Ian Lance Taylor  <[email protected]>
8722
8723         * yyscript.y (file_cmd): Recognize EXTERN.
8724         (extern_name_list, extern_name_list_body): New nonterminals.
8725         * script.cc (script_add_extern): Define.
8726         * script-c.h (script_add_extern): Declare.
8727
8728 2009-03-24  Rafael Avila de Espindola  <[email protected]>
8729
8730         * object.cc (is_elf_object): Define.
8731         * object.h (is_elf_object): Declare.
8732         * archive.cc (Archive::get_elf_object_for_member): Call
8733         is_elf_object.
8734         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8735
8736 2009-03-24  Elliott Hughes  <[email protected]>
8737
8738         * output.cc (Output_file::map_anonymous): Define.
8739         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8740         try an anonymous one.  Report the size if the mmap fails.
8741         * output.h (class Output_file): Declare map_anonymous.
8742
8743 2009-03-24  Ian Lance Taylor  <[email protected]>
8744
8745         * target-select.cc (instantiate_target): Don't acquire the lock if
8746         the instantiated_target_ field has already been set.
8747
8748 2009-03-23  Ian Lance Taylor  <[email protected]>
8749
8750         * gold-threads.h (class Initialize_lock): Define.
8751         * gold-threads.cc (class Initialize_lock_once): Define.
8752         (initialize_lock_control): New static variable.
8753         (initialize_lock_pointer): New static variable.
8754         (initialize_lock_once): New static function.
8755         (Initialize_lock::Initialize_lock): Define.
8756         (Initialize_lock::initialize): Define.
8757         * target-select.h: Include "gold-threads.h".
8758         (class Target_selector): Add lock_ and initialize_lock_ fields.
8759         Don't define instantiate_target, just declare it.
8760         * target-select.cc (Target_selector::Target_selector): Initialize
8761         new fields.
8762         (Target_selector::instantiate_target): Define.
8763         * descriptors.h: Include "gold-threads.h".
8764         (class Descriptors): Add initialize_lock_ field.
8765         * descriptors.cc (Descriptors::Descriptors): Initialize new
8766         field.
8767         (Descriptors::open): Use initialize_lock_ field
8768         * errors.h (class Errors): Add initialize_lock_ field.
8769         * errors.cc (Errors::Errors): Initialize new field.
8770         (Errors::initialize_lock): Use initialize_lock_ field.
8771         * powerpc.cc (class Target_selector_powerpc): Remove
8772         instantiated_target_ field.  In do_recognize call
8773         instantiate_target rather than do_instantiate_target.  In
8774         do_instantiate_target just allocate a new target.
8775         * sparc.cc (class Target_selector_sparc): Likewise.
8776
8777         * freebsd.h: New file.
8778         * i386.cc: Include "freebsd.h".
8779         (Target_i386): Derive from Target_freebsd rather than
8780         Sized_target.
8781         (Target_selector_i386): Derive from Target_selector_freebsd rather
8782         than Target_selector.
8783         * x86_64.cc: Include "freebsd.h".
8784         (Target_x86_64): Derive from Target_freebsd rather than
8785         Sized_target.
8786         (Target_selector_x86_64): Derive from Target_selector_freebsd
8787         rather than Target_selector.
8788         * target.h (class Target): Add adjust_elf_header and
8789         do_adjust_elf_header.
8790         * output.cc (Output_file_header:: do_sized_write): Call target
8791         adjust_elf_header routine.
8792         * configure.tgt: Set targ_osabi.
8793         * configure.ac: Define GOLD_DEFAULT_OSABI.
8794         * parameters.cc (Parameters::default_target): Pass
8795         GOLD_DEFAULT_OSABI to select_target.
8796         * target-select.h (class Target_selector): Make instantiate_target
8797         protected rather than private.
8798         * Makefile.am (HFILES): Add freebsd.h.
8799         * configure, Makefile.in, config.in: Rebuild.
8800
8801         * merge.cc (do_add_input_section): Correct pend value.  Change
8802         message about last entry not being null terminated from error to
8803         warning.
8804
8805 2009-03-20  Mikolaj Zalewski  <[email protected]>
8806
8807         * incremental.cc: New file.
8808         * Makefile.am (CCFILES): Add incremental.cc.
8809         * Makefile.in: Rebuild.
8810
8811 2009-03-19  Paul Pluzhnikov  <[email protected]>
8812
8813         * layout.cc (Layout::output_section_name): Preserve names
8814         of '.note.' sections.
8815
8816 2009-03-19  Ian Lance Taylor  <[email protected]>
8817
8818         * descriptors.cc (Descriptors::open): Check that the options are
8819         valid before using them.
8820
8821 2009-03-18  Ian Lance Taylor  <[email protected]>
8822
8823         * script-sections.h: Include <list>.
8824         (class Script_sections): Change Sections_elements from std::vector
8825         to std::list.  Typedef public Elements_iterator.  Add
8826         orphan_section_placement_, data_segment_align_start_, and
8827         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8828         field.
8829         * script-sections.cc (class Orphan_section_placement): New class.
8830         (class Sections_element): Add virtual functions is_relro and
8831         orphan_section_init.  Remove virtual function place_orphan_here.
8832         (class Output_section_definition): Add is_relro and
8833         orphan_section_init.  Remove place_orphan_here.
8834         (class Orphan_output_section): Likewise.
8835         (Script_sections::Script_sections): Update for field changes.
8836         (Script_sections::data_segment_align): Set saw_data_segment_align_
8837         and data_segment_align_start_, not data_segment_align_index.
8838         (Script_sections::data_segment_relro_end): Check
8839         saw_data_segment_align_.  Use data_segment_align_start_ rather
8840         than data_segment_align_index_.
8841         (Script_sections::place_orphan): Rewrite to use
8842         Orphan_section_placement.
8843
8844 2009-03-17  Ian Lance Taylor  <[email protected]>
8845
8846         * archive.cc (Archive::add_symbols): Check for a version attached
8847         to the symbol name in the archive map.
8848         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8849         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8850         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8851         (ver_test_11.a): New target.
8852         * testsuite/Makefile.in: Rebuild.
8853
8854         * configure.ac: Check for chsize and posix_fallocate.  Replace
8855         ftruncate.
8856         * ftruncate.c: New file, from gnulib.
8857         * output.cc (posix_fallocate): Define dummy version if not
8858         HAVE_POSIX_FALLOCATE.
8859         (Output_file::map): Call posix_fallocate rather than lseek and
8860         write.
8861         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8862         * configure, Makefile.in, config.in: Rebuild.
8863
8864 2009-03-17  Paul Pluzhnikov  <[email protected]>
8865
8866         * layout.h (Layout::create_note): Add section_name parameter.
8867         * layout.cc (Layout::create_note): Likewise.
8868         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8869
8870 2009-03-17  Ian Lance Taylor  <[email protected]>
8871
8872         * descriptors.cc: Include "options.h".
8873         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8874         (Descriptors::open): Always use O_CLOEXEC when opening a new
8875         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8876         then set FD_CLOEXEC.
8877
8878         * sparc.cc (class Target_sparc): Add has_got_section.
8879         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8880         make sure we have a GOT section.
8881
8882         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8883         (Target_sparc::Scan::local): Likewise.
8884         (Target_sparc::Scan::global): Likewise.
8885         (Target_sparc::Relocate::relocate): Likewise.
8886         (Target_sparc::Relocate::relocate_tls): Likewise.
8887
8888         * symtab.cc (Symbol_table::define_default_version): New function,
8889         broken out of add_from_object.
8890         (Symbol_table::add_from_object): Call define_default_version.
8891         (Symbol_table::define_special_symbol): Add resolve_oldsym
8892         parameter.  Change all callers.  If the version for a symbol comes
8893         from a version script, resolve it with the symbol with the same
8894         name with no version.  Also add the symbol without a version if
8895         appropriate.
8896         (do_define_in_output_data): If resolving with oldsym, don't delete
8897         sym.
8898         (do_define_in_output_segment): Likewise.
8899         (do_define_as_constant): Likewise.
8900         * symtab.h (class Symbol_table): Update declarations.
8901
8902 2009-03-13  Ian Lance Taylor  <[email protected]>
8903
8904         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8905         (Read_symbols::requeue): New function.
8906         (Read_symbols::do_read_symbols): If make_elf_object fails because
8907         the target type is not configured, and the file was searched for,
8908         issue a warning and retry with the next directory.
8909         (Add_symbols::run): If the file has an incompatible format, and
8910         it was searched for, requeue the Read_symbols task.  On error,
8911         release the object.
8912         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8913         dirindex parameter to constructor.  Change all callers.  Declare
8914         incompatible_warning and requeue.
8915         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8916         input_argument_ and input_group_ fields.  Add them to
8917         constructor.  Change all callers.
8918         (class Read_script): Add dirindex_ field.  Add it to constructor.
8919         Change all callers.
8920         * archive.cc (Archive::setup): Remove input_objects parameter.
8921         Change all callers.
8922         (Archive::get_file_and_offset): Likewise.
8923         (Archive::read_all_symbols): Likewise.
8924         (Archive::read_symbols): Likewise.
8925         (Archive::get_elf_object_for_member): Remove input_objects
8926         parameter.  Add punconfigured parameter.  Change all callers.
8927         (Archive::add_symbols): Change return type to bool.  Check return
8928         value of include_member.
8929         (Archive::include_all_members): Likewise.
8930         (Archive::include_member): Change return type to bool.  Return
8931         false if first included object has incompatible target.  Set
8932         included_member_ field.
8933         (Add_archive_symbols::run): If add_symbols returns false, requeue
8934         Read_symbols task.
8935         * archive.h (class Archive): Add included_member_ field.
8936         Initialize it in constructor.  Add input_file and searched_for
8937         methods.  Update declarations.
8938         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8939         input_argument_ fields.  Add them to constructor.  Change all
8940         callers.
8941         * script.cc: Include "target-select.h".
8942         (class Parser_closure): Add skip_on_incompatible_target_ and
8943         found_incompatible_target_ fields.  Add
8944         skip_on_incompatible_target parameter to constructor.  Change all
8945         callers.  Add methods skip_on_incompatible_target,
8946         clear_skip_on_incompatible_target, found_incompatible_target, and
8947         set_found_incompatible_target.
8948         (read_input_script): Add dirindex parameter.  Change all callers.
8949         If parser finds an incompatible target, requeue Read_symbols
8950         task.
8951         (script_set_symbol): Clear skip_on_incompatible_target in
8952         closure.
8953         (script_add_assertion, script_parse_option): Likewise.
8954         (script_start_sections, script_add_phdr): Likewise.
8955         (script_check_output_format): New function.
8956         * script.h (read_input_script): Update declaration.
8957         * script-c.h (script_check_output_format): Declare.
8958         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8959         (ignore_cmd): Remove OUTPUT_FORMAT.
8960         * fileread.cc (Input_file::Input_file): Add explicit this.
8961         (Input_file::will_search_for): New function.
8962         (Input_file::open): Add pindex parameter.  Change all callers.
8963         * fileread.h (class Input_file): Add input_file_argument method.
8964         Declare will_search_for.  Update declarations.
8965         * object.cc (make_elf_object): Add punconfigured parameter.
8966         Change all callers.
8967         * object.h (class Object): Make input_file public.  Add
8968         searched_for method.
8969         (make_elf_object): Update declaration.
8970         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8971         restart search.
8972         * dirsearch.h (class Dirsearch): Update declaration.
8973         * options.h (class General_options): Add --warn-search-mismatch.
8974         * parameters.cc (Parameters::is_compatible_target): New function.
8975         * parameters.h (class Parameters): Declare is_compatible_target.
8976         * workqueue.cc (Workqueue::add_blocker): New function.
8977         * workqueue.h (class Workqueue): Declare add_blocker.
8978
8979         * fileread.cc (Input_file::open): Remove options parameter.
8980         Change all callers.
8981         (Input_file::open_binary): Likewise.
8982         * script.cc (read_input_script): Likewise.
8983         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8984         options parameter from constructor.  Change all callers.
8985         (class Read_script): Likewise.
8986         * fileread.h (class Input_file): Update declarations.
8987         * script.h (read_input_script): Update declaration.
8988
8989 2009-03-10  Nick Clifton  <[email protected]>
8990
8991         * po/es.po: New Spanish translation.
8992
8993 2009-03-06  Cary Coutant  <[email protected]>
8994
8995         * options.cc (parse_short_option): Keep dash_z from registering itself.
8996
8997 2009-03-03  Ian Lance Taylor  <[email protected]>
8998
8999         PR 9918
9000         * target-reloc.h (relocate_section): Pass output_section to
9001         relocate.
9002         * i386.cc (Target_i386::should_apply_static_reloc): Add
9003         output_section parameter.  Change all callers.
9004         (Target_i386::Relocate::relocate): Add output_section parameter.
9005         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9006         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9007         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9008         * testsuite/two_file_shared.sh: New script.
9009         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9010         (check_DATA): Add two_file_shared.dbg.
9011         (two_file_shared.dbg): New target.
9012         * testsuite/Makefile.in: Rebuild.
9013
9014 2009-03-01  Ian Lance Taylor  <[email protected]>
9015
9016         * configure.ac: Check for byteswap.h.
9017         * configure: Rebuild.
9018         * config.in: Rebuild.
9019
9020 2009-03-01  Mikolaj Zalewski  <[email protected]>
9021
9022         * layout.cc (Layout::find_or_add_kept_section): New function.
9023         (Layout::add_comdat): Removed.
9024         * layout.h (struct Kept_section): Move out of class Layout.
9025         Remove trailing underscores from field names.  Add group_sections
9026         field.  Rename group_ field to is_group.  Change all uses.
9027         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9028         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9029         comdat_groups_ field.
9030         (Sized_relobj::include_section_group): Use
9031         find_or_add_kept_section and Kept_section::group_sections.
9032         (Sized_relobj::include_linkonce_section): Likewise.
9033         * object.cc (class Sized_relobj): Don't define Comdat_group or
9034         Comdat_group_table.  Remove find_comdat_group and
9035         add_comdat_group.  Remove comdat_groups_ field.
9036         * plugin.cc (include_comdat_group): Use
9037         Layout::find_or_add_kept_section.
9038
9039 2009-02-28  Ian Lance Taylor  <[email protected]>
9040
9041         * README: --gc-sections and map files are now supported.  Document
9042         some build requirements.
9043
9044         PR 6992
9045         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9046         relocatable link set the value of the section symbol to zero.
9047         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9048         relocatable link don't include the section address in the local
9049         symbol value.
9050
9051 2009-02-27  Ian Lance Taylor  <[email protected]>
9052
9053         PR 6811
9054         * options.h (class Search_directory): Add is_system_directory.
9055         (class General_options): Declare is_in_system_directory.
9056         * options.cc (get_relative_sysroot): Make static.
9057         (get_default_sysroot): Make static.
9058         (General_optoins::is_in_system_directory): New function.
9059         * fileread.cc (Input_file::is_in_system_directory): New function.
9060         * fileread.h (class Input_file): Declare is_in_system_directory.
9061         * object.h (class Object): Add is_in_system_directory.
9062         (class Input_objects): Remove system_library_directory_ field.
9063         * object.cc (Input_objects::add_object): Don't set
9064         system_library_directory_.
9065         (input_objects::found_in_system_library_directory): Remove.
9066         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9067         parameter.  Change all callers.
9068         (Symbol_table::sized_write_globals): Likewise.
9069         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9070         Call Object::is_in_system_directory.
9071         * symtab.h (class Symbol_table): Update declarations.
9072
9073         PR 5990
9074         * descriptors.h (Open_descriptor): Add is_on_stack field.
9075         * descriptors.cc (Descriptors::open): If the descriptor is on the
9076         top of the stack, remove it.  Initialize is_on_stack field.
9077         (Descriptors::release): Only add pod to stack if it is not on the
9078         stack already.
9079         (Descriptors::close_some_descriptor): Clear stack_next and
9080         is_on_stack fields.
9081
9082         PR 7091
9083         * output.cc (Output_section::find_starting_output_address): Rename
9084         from starting_output_address; add PADDR parameter; change return
9085         type.
9086         * output.h (class Output_section): Declare
9087         find_starting_output_address instead of starting_output_address.
9088         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9089         section symbol for which we can't find a merge section.
9090
9091         PR 9836
9092         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9093         hidden or internal, force the symbol to be local.
9094         * resolve.cc (Symbol::override_visibility): Define.
9095         (Symbol::override_base): Use override_visibility.
9096         (Symbol_table::resolve): Likewise.
9097         (Symbol::override_base_with_special): Likewise.
9098         (Symbol_table::override_with_special): If the visibility is hidden
9099         or internal, force the symbol to be local.
9100         * symtab.h (class Symbol): Add set_visibility and
9101         override_visibility.
9102         * testsuite/ver_test_1.sh: New file.
9103         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9104         (check_DATA): Add ver_test_1.syms.
9105         (ver_test_1.syms): New target.
9106         * testsuite/Makefile.in: Rebuild.
9107
9108 2009-02-25  Cary Coutant  <[email protected]>
9109
9110         * layout.cc (Layout::choose_output_section): Don't rename sections
9111         when using a linker script that has a SECTIONS clause.
9112         * Makefile.in: Regenerate.
9113
9114         * testsuite/Makefile.am (script_test_5.sh): New test case.
9115         * testsuite/Makefile.in: Regenerate.
9116         * testsuite/script_test_5.cc: New file.
9117         * testsuite/script_test_5.sh: New file.
9118         * testsuite/script_test_5.t: New file.
9119
9120 2009-02-13  Rafael Avila de Espindola  <[email protected]>
9121
9122         * archive.cc (Archive::include_member): Update calls to add_symbols.
9123         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9124         the Layout argument.
9125         * dynobj.h (do_add_symbols): Add the Layout argument.
9126         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9127         Layout argument.
9128         * object.h (Object::add_symbols): Add the Layout argument.
9129         (Object::do_add_symbols): Add the Layout argument.
9130         (Sized_relobj::do_add_symbols): Add the Layout argument.
9131         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9132         Unify the two versions.
9133         (Add_plugin_symbols): Remove.
9134         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9135         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9136         (Add_plugin_symbols): Remove.
9137         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9138         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9139         (Add_symbols::run): Make it work with Pulginobj.
9140
9141 2009-02-06  Ian Lance Taylor  <[email protected]>
9142
9143         * object.cc (Sized_relobj::do_layout): Make info message start
9144         with lower case letter.
9145
9146 2009-02-06  Mikolaj Zalewski  <[email protected]>
9147
9148         * binary.cc: Fix file comment.
9149
9150         * options.h (enum Incremental_disposition): Define.
9151         (class General_options): Add new options: --incremental,
9152         --incremental_changed, --incremental_unchanged,
9153         --incremental_unknown.  Add incremental_disposition_ and
9154         implicit_incremental_ fields.
9155         (General_options::incremental_disposition): New function.
9156         (class Position_dependent_options): Add incremental_disposition
9157         option.
9158         (Position_dependent_options::copy_from_options): Set incremental
9159         dispositions.
9160         * options.cc (General_options::parse_incremental_changed): New
9161         function.
9162         (General_options::parse_incremental_unchanged): New function.
9163         (General_options::parse_incremental_unknown): New function.
9164         (General_options::General_options): Initialize new fields
9165         incremental_disposition_ and implicit_incremental_.
9166         (General_options::finalize): Check for uasge of --incremental-*
9167         without --incremental.
9168
9169 2009-02-06  Chris Demetriou  <[email protected]>
9170
9171         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9172         pointer and to report location as the file name associated with
9173         the symbol.
9174         (gold_undefined_symbol_at_location): New function to replace the
9175         old gold_undefined_symbol functionality.
9176         * target-reloc.h (relocate_section): Update to use
9177         gold_undefined_symbol_at_location.
9178         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9179         Call gold_undefined_symbol function rather than gold_error.
9180         * errors.h (Errors::undefined_symbol): Take location as a
9181         string, rather than calculating it from a relocation.
9182         * errors.cc (Errors::fatal): Print "fatal error:" before the
9183         formatted message.
9184         (Errors::error, Errors::error_at_location): Print "error: "
9185         before the formatted message.
9186         (Errors::undefined_symbol): Take location as a string, rather
9187         than calculating it from a relocation.
9188         (gold_undefined_symbol_at_location): New function akin to
9189         old gold_undefined_symbol, calculates location from relocation.
9190         (gold_undefined_symbol): Change to take only a Symbol pointer
9191         and to report location as the file name associated with the symbol.
9192         * testsuite/debug_msg.sh: Update for changed error messages.
9193         * testsuite/undef_symbol.sh: Likewise.
9194
9195 2009-02-04  Duncan Sands  <[email protected]>
9196
9197         PR 9812
9198         * reduced_debug_output.h
9199         (Output_reduced_debug_abbrev_section::failed): Use format for
9200         gold_warning.
9201         (Output_reduced_debug_info_section::faild): Likewise.
9202
9203 2009-01-31  Mikolaj Zalewski  <[email protected]>
9204
9205         * script.cc (Lazy_demangler): New class.
9206         (Version_script_info::get_symbol_version_helper): Demangle a
9207         symbol only once.
9208
9209 2009-01-29  Cary Coutant  <[email protected]>
9210
9211         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9212         to __tls_get_addr.
9213         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9214
9215 2009-01-28  Ian Lance Taylor  <[email protected]>
9216
9217         * version.cc (version_string): Bump to 1.9.
9218
9219         * gold.h: Include <cstring> and <stdint.h>.
9220         * version.cc: Include <cstdio>.
9221         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9222         warning.
9223         * reduced_debug_output.cc (insert_into_vector): Rename from
9224         Insert_into_vector; change all callers.  Use Swap_unaligned to
9225         avoid aliasing issue; remove union since it is unnecessary.
9226
9227 2009-01-27  Sriraman Tallam  <[email protected]>
9228
9229         * Makefile.am (CCFILES): Add gc.cc.
9230         (HFILES): Add gc.h.
9231         * Makefile.in: Regenerate.
9232         * gold.cc (Gc_runner): New class.
9233         (queue_initial_tasks): Call garbage collection related tasks
9234         when corresponding options are invoked.
9235         (queue_middle_gc_tasks): New function.
9236         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9237         processed early before laying out sections during garbage collection.
9238         * gold.h (queue_middle_gc_tasks): New function.
9239         (is_prefix_of): Move from "layout.cc".
9240         * i386.cc (Target_i386::gc_process_relocs): New function.
9241         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9242         * main.cc (main): Create object of class "Garbage_collection".
9243         * object.cc (Relobj::copy_symbols_data): New function.
9244         (Relobj::is_section_name_included): New function.
9245         (Sized_relobj::do_layout): Allow this function to be called twice
9246         during garbage collection and defer layout of section during the
9247         first call.
9248         * object.h (Relobj::get_symbols_data): New function.
9249         (Relobj::is_section_name_included): New function.
9250         (Relobj::copy_symbols_data): New function.
9251         (Relobj::set_symbols_data): New function.
9252         (Relobj::get_relocs_data): New function.
9253         (Relobj::set_relocs_data): New function.
9254         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9255         (Relobj::gc_process_relocs): New function.
9256         (Relobj::do_gc_process_relocs): New pure virtual function.
9257         (Relobj::sd_): New data member.
9258         (Sized_relobj::is_output_section_offset_invalid): New function.
9259         (Sized_relobj::do_gc_process_relocs): New function.
9260         * options.h (General_options::gc_sections): Modify to not be a no-op.
9261         (General_options::print_gc_sections): New option.
9262         * plugin.cc (Plugin_finish::run): Remove function call to
9263         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9264         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9265         * reloc.cc (Read_relocs::run): Add task to process relocs and
9266         determine unreferenced sections when doing garbage collection.
9267         (Gc_process_relocs): New class.
9268         (Sized_relobj::do_gc_process_relocs): New function.
9269         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9270         sections that are garbage collected.
9271         * reloc.h (Gc_process_relocs): New class.
9272         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9273         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9274         symbols whose corresponding sections are garbage collected.
9275         (Symbol_table::Symbol_table): Add new parameter for the garbage
9276         collection object.
9277         (Symbol_table::gc_mark_undef_symbols): New function.
9278         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9279         (Symbol_table::gc_mark_dyn_syms): New function.
9280         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9281         as garbage.
9282         (Symbol_table::add_from_object): Likewise.
9283         (Symbol_table::add_from_relobj): When building shared objects, do not
9284         treat externally visible symbols as garbage.
9285         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9286         table information for static and relocatable links.
9287         * symtab.h (Symbol_table::set_gc): New function.
9288         (Symbol_table::gc): New function.
9289         (Symbol_table::gc_mark_undef_symbols): New function.
9290         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9291         (Symbol_table::gc_mark_dyn_syms): New function.
9292         (Symbol_table::gc_): New data member.
9293         * target.h (Sized_target::gc_process_relocs): New pure virtual
9294         function.
9295         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9296         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9297
9298 2009-01-20  Chris Faylor <[email protected]>
9299
9300         * options.h (General_options::gc_sections): Define as a no-op for now.
9301         (General_options::no_keep_memory): Ditto.
9302         (General_options::Bshareable): Define.
9303         * options.cc (General_options::finalize): Honor -Bshareable.
9304
9305 2009-01-20  Andreas Schwab  <[email protected]>
9306
9307         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9308         read the value in the contents, since we don't use it.  Use the
9309         template endianness when writing.
9310         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9311
9312 2009-01-19  Andreas Schwab  <[email protected]>
9313
9314         * configure.tgt (powerpc64-*): Fix targ_obj.
9315
9316 2009-01-15  Ian Lance Taylor  <[email protected]>
9317
9318         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9319         local symbols when stripping all symbols.
9320
9321 2009-01-14  Cary Coutant  <[email protected]>
9322
9323         * output.cc (Output_reloc): Add explicit instantiations.
9324
9325 2009-01-14  Cary Coutant  <[email protected]>
9326
9327         * archive.cc (Archive::get_elf_object_for_member): Remove call
9328         to File_read::claim_for_plugin.
9329         * descriptors.cc (Descriptors::open): Remove reference to
9330         is_claimed.
9331         (Descriptors::claim_for_plugin): Remove.
9332         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9333         (Descriptors::is_claimed): Remove.
9334         (claim_descriptor_for_plugin): Remove.
9335         * fileread.cc (File_read::claim_for_plugin): Remove.
9336         * fileread.h (File_read::claim_for_plugin): Remove.
9337         (File_read::descriptor): Reopen descriptor if necessary.
9338         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9339         (Plugin_manager::all_symbols_read): Add task parameter. Change
9340         all callers.
9341         (Plugin_manager::get_input_file): New function.
9342         (Plugin_manager::release_input_file): New function.
9343         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9344         corresponding data member.
9345         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9346         and pass to base constructor. Change all callers.
9347         (get_input_file, release_input_file): New functions.
9348         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9349         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9350         (Plugin_manager::all_symbols_read): Add task parameter.
9351         (Plugin_manager::get_input_file): New function.
9352         (Plugin_manager::release_input_file): New function.
9353         (Plugin_manager::task_): New data member.
9354         (Pluginobj::Pluginobj): Add filesize parameter.
9355         (Pluginobj::filename): New function.
9356         (Pluginobj::descriptor): New function.
9357         (Pluginobj::filesize): New function.
9358         (Pluginobj::filesize_): New data member.
9359         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9360         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9361         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9362
9363         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9364         with archive libraries.
9365         * testsuite/Makefile.in: Regenerate.
9366         * testsuite/plugin_test.c (struct sym_info): New type.
9367         (get_input_file, release_input_file): New static variables.
9368         (onload): Capture new transfer vector entries.
9369         (claim_file_hook): Stop reading at end of file according to filesize.
9370         Factor out parsing of readelf output into separate function.
9371         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9372         APIs and get the source file name from the symbol table.  Convert
9373         source file name to corresponding object file name.  Print info
9374         message when adding new input files.
9375         (parse_readelf_line): New function.
9376         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9377         * testsuite/plugin_test_2.sh: Likewise.
9378         * testsuite/plugin_test_3.sh: Likewise.
9379         * testsuite/plugin_test_4.sh: New test case.
9380
9381 2009-01-07  Ian Lance Taylor  <[email protected]>
9382
9383         * version.cc (version_string): Bump to 1.8.
9384
9385 2008-12-23  Cary Coutant  <[email protected]>
9386
9387         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9388         * plugin.cc (Plugin_manager::finish): Rename as
9389         layout_deferred_objects.  Move cleanup to separate function.
9390         (Plugin_manager::cleanup): New function.
9391         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9392         separately.
9393         * plugin.h (Plugin_manager::finish): Rename as
9394         layout_deferred_objects.
9395         (Plugin_manager::cleanup): New function.
9396         (Plugin_manager::cleanup_done): New field.
9397
9398 2008-12-23  Cary Coutant  <[email protected]>
9399
9400         * plugin.cc (is_visible_from_outside): New function.
9401         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9402         so we don't return "IR only" status for exported symbols or -r links.
9403
9404         * testsuite/Makefile.am (plugin_test_3): New test case.
9405         * testsuite/Makefile.in: Regenerate.
9406         * testsuite/plugin_test_3.sh: New file.
9407
9408 2008-12-22  Cary Coutant  <[email protected]>
9409
9410         * object.cc (Sized_relobj::layout_section): New function.
9411         (Sized_relobj::do_layout): Defer layout of input sections until after
9412         plugin has provided replacement files.
9413         (Sized_relobj::do_layout_deferred_sections): New function.
9414         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9415         (Relobj::layout_deferred_sections): New function.
9416         (Relobj::do_layout_deferred_sections): New function.
9417         (Sized_relobj::do_layout_deferred_sections): New function.
9418         (Sized_relobj::layout_section): New function.
9419         (Sized_relobj::Deferred_layout): New structure.
9420         (Sized_relobj::deferred_layout_): New field.
9421         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9422         Change all callers.  Layout deferred sections.
9423         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9424         references.
9425         (Plugin_hook::run): Move code from do_plugin_hook inline.
9426         (Plugin_hook::do_plugin_hook): Remove.
9427         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9428         (Plugin_manager::finish): Renamed, was cleanup.
9429         (Plugin_manager::should_defer_layout): New function.
9430         (Plugin_manager::add_deferred_layout_object): New function.
9431         (Plugin_manager::Deferred_layout_list): New type.
9432         (Plugin_manager::deferred_layout_objects_): New field.
9433         (Plugin_hook::do_plugin_hook): Remove.
9434
9435 2008-12-17  Ian Lance Taylor  <[email protected]>
9436
9437         * options.h (class General_options): Add --no case for
9438         --export-dynamic.
9439
9440 2008-12-16  Cary Coutant  <[email protected]>
9441
9442         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9443         vector.
9444         (Plugin_manager::claim_file): Create plugin object even if
9445         plugin did not call the add_symbols callback.
9446         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9447         asking for more symbols than were added.
9448         * testsuite/Makefile.am (plugin_test_1): Add test case with
9449         no global symbols.
9450         (empty.syms): New target.
9451         * testsuite/Makefile.in: Regenerate.
9452         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9453         message. Don't call add_symbols if no globals.
9454         (all_symbols_read_hook): Don't provide replacement for empty
9455         claimed file.
9456
9457 2008-12-12  Ian Lance Taylor  <[email protected]>
9458
9459         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9460         r_type == 0 for a local symbol with r_sym == 0.
9461         (scan_relocatable_relocs): Pass r_sym to
9462         local_non_section_strategy.
9463         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9464         r_sym parameter.
9465
9466         * configure.ac: Update test for TLS descriptors: they are
9467         supported as of glibc 2.9.
9468         * configure: Rebuild.
9469
9470 2008-12-11  Ian Lance Taylor  <[email protected]>
9471
9472         PR 7091
9473         * target-reloc.h (Default_scan_relocatable_relocs): For each
9474         function, map r_type == 0 to RELOC_DISCARD.
9475
9476 2008-12-10  Cary Coutant  <[email protected]>
9477
9478         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9479         object to override a kept COMDAT group from a plugin object.
9480
9481 2008-12-09  Ian Lance Taylor  <[email protected]>
9482
9483         PR 7088
9484         * yyscript.y (file_cmd): Handle INPUT.
9485
9486         * testsuite/initpri1.c: Change all declarations to be full
9487         prototypes by adding void, to avoid compiler warnings.
9488
9489 2008-12-05  Rafael Avila de Espindola  <[email protected]>
9490
9491         * options.cc (General_options::parse_plugin_opt): New.
9492         (General_options::add_plugin): The argument now is just the filename.
9493         (General_options::add_plugin_option): New.
9494         * options.h (plugin_opt): New.
9495         (add_plugin): Change argument name.
9496         (add_plugin_option): New.
9497         * plugin.cc (Plugin::load): Don't parse the plugin option.
9498         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9499         (Plugin::add_option): New.
9500         (Plugin::args_): Change type.
9501         (Plugin::filename_): New.
9502         (Plugin_manager::add_plugin_option): New.
9503         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9504         * testsuite/Makefile.in: Regenerate.
9505
9506 2008-12-05  Cary Coutant  <[email protected]>
9507
9508         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9509         Handle --strip-lto-sections option.
9510         * options.h (strip_lto_sections): New option.
9511
9512 2008-12-01  Cary Coutant  <[email protected]>
9513
9514         * plugin.cc (ld_plugin_message): Change format parameter to const.
9515         Fix mismatch between new[] and delete.
9516
9517 2008-11-14  Cary Coutant  <[email protected]>
9518
9519         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9520         instead of -1U.
9521
9522 2008-11-05  Craig Silverstein  <[email protected]>
9523
9524         * options.cc (General_options::parse_dynamic_list): New function.
9525         * options.h (General_options): New flags dynamic_list,
9526         dynamic_list_data, dynamic_list_cpp_new, and
9527         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9528         (General_options::in_dynamic_list): New function.
9529         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9530         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9531         (Lex::can_continue_name): Likewise.
9532         (yylex): Likewise.
9533         (read_script_file): New parameter script_options.
9534         (read_dynamic_list): New function.
9535         (Script_options::define_dynamic_list): New function.
9536         (dynamic_list_keyword_parsecodes): New variable.
9537         (dynamic_list_keywords): New variable.
9538         * script.h (Script_options::define_dynamic_list): New function
9539         prototype.
9540         (read_dynamic_list): New function prototype.
9541         * symtab.cc (strprefix): New macro.
9542         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9543         dynamic_list_data, dynamic_list_cpp_new, and
9544         dynamic_list_cpp_typeinfo.
9545         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9546         (dynamic_list_expr): New rule.
9547         (dynamic_list_nodes): Likewise.
9548         (dynamic_list_node): Likewise.
9549         * testsuite/Makefile.am (dynamic_list): New test.
9550         * testsuite/Makefile.in: Regenerated.
9551         * testsuite/dynamic_list.t: New file.
9552         * testsuite/dynamic_list.sh: New file.
9553
9554 2008-11-05  Craig Silverstein  <[email protected]>
9555
9556         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9557         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9558         (t11_last): Likewise.
9559         * testsuite/ver_test_6.c (main): Likewise.
9560
9561 2008-10-07  Cary Coutant  <[email protected]>
9562
9563         * options.c (General_options::finalize): Add check for -static and
9564         -shared.
9565         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9566         is not empty.
9567
9568 2008-10-02  Cary Coutant  <[email protected]>
9569
9570         * plugin.cc (make_sized_plugin_object): Fix conditional
9571         compilation to work when not all targets are enabled.
9572
9573 2008-09-29  Cary Coutant  <[email protected]>
9574
9575         * archive.cc (Archive::get_file_and_offset): Use filename instead
9576         of name to get library path.
9577         (Archive::include_member): Unlock external member of a thin archive.
9578
9579         * testsuite/Makefile.am (TEST_AR): New variable.
9580         (thin_archive_test_1): New test.
9581         (thin_archive_test_2): New test.
9582         * testsuite/Makefile.in: Regenerate.
9583         * testsuite/thin_archive_main.cc: New file.
9584         * testsuite/thin_archive_test_1.cc: New file.
9585         * testsuite/thin_archive_test_2.cc: New file.
9586         * testsuite/thin_archive_test_3.cc: New file.
9587         * testsuite/thin_archive_test_4.cc: New file.
9588
9589 2008-09-29  Cary Coutant  <[email protected]>
9590
9591         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9592         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9593         instead of -1U.
9594         (Sized_relobj::do_finalize_local_symbols): Likewise.
9595         (Sized_relobj::map_to_kept_section): Likewise.
9596         * object.h (Sized_relobj::invalid_address): New constant.
9597         (Sized_relobj::do_output_section_offset): Check for invalid_address
9598         and return -1ULL.
9599         * output.cc (Output_reloc::local_section_offset): Use constant
9600         invalid_address instead of -1U.
9601         (Output_reloc::get_address): Likewise.
9602         (Output_section::output_address): Change -1U to -1ULL.
9603         * output.h (Output_reloc::invalid_address): New constant.
9604         * reloc.cc (Sized_relobj::write_sections): Use constant
9605         invalid_address instead of -1U.
9606         (Sized_relobj::relocate_sections): Likewise.
9607         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9608         values for merge sections.
9609         * target-reloc.h (relocate_for_relocatable): Use constant
9610         invalid_address instead of -1U.
9611
9612 2008-09-19  Cary Coutant  <[email protected]>
9613
9614         Add plugin functionality for link-time optimization (LTO).
9615         * configure.ac (plugins): Add --enable-plugins option.
9616         * configure: Regenerate.
9617         * config.in: Regenerate.
9618         * Makefile.am (LIBDL): New variable.
9619         (CCFILES): Add plugin.cc.
9620         (HFILES): Add plugin.h.
9621         (ldadd_var): Add LIBDL.
9622         * Makefile.in: Regenerate.
9623
9624         * archive.cc: Include "plugin.h".
9625         (Archive::setup): Don't preread archive symbols when using a plugin.
9626         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9627         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9628         files.
9629         (Archive::include_member): Add symbols from plugin objects.
9630         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9631         * descriptors.cc (Descriptors::open): Check for file descriptors
9632         abandoned by plugins.
9633         (Descriptors::claim_for_plugin): New function.
9634         * descriptors.h (Descriptors::claim_for_plugin): New function.
9635         (Open_descriptor::is_claimed): New field.
9636         (claim_descriptor_for_plugin): New function.
9637         * fileread.cc (File_read::claim_for_plugin): New function.
9638         * fileread.h (File_read::claim_for_plugin): New function.
9639         (File_read::descriptor): New function.
9640         * gold.cc: Include "plugin.h".
9641         (queue_initial_tasks): Add task to call plugin hooks for generating
9642         new object files.
9643         * main.cc: Include "plugin.h".
9644         (main): Load plugin libraries.
9645         * object.h (Pluginobj): Declare.
9646         (Object::pluginobj): New function.
9647         (Object::do_pluginobj): New function.
9648         (Object::set_target): New function.
9649         * options.cc: Include "plugin.h".
9650         (General_options::parse_plugin): New function.
9651         (General_options::General_options): Initialize plugins_ field.
9652         (General_options::add_plugin): New function.
9653         * options.h (Plugin_manager): Declare.
9654         (General_options): Add --plugin option.
9655         (General_options::has_plugins): New function.
9656         (General_options::plugins): New function.
9657         (General_options::add_plugin): New function.
9658         (General_options::plugins_): New field.
9659         * plugin.cc: New file.
9660         * plugin.h: New file.
9661         * readsyms.cc: Include "plugin.h".
9662         (Read_symbols::do_read_symbols): Check for archive before checking
9663         for ELF file.  Call plugin hooks to claim files.
9664         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9665         from a real object file; force override when processing replacement
9666         files.
9667         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9668         (Symbol::init_base_object): Likewise.
9669         (Symbol::init_base_output_data): Likewise.
9670         (Symbol::init_base_output_segment): Likewise.
9671         (Symbol::init_base_constant): Likewise.
9672         (Symbol::init_base_undefined): Likewise.
9673         (Symbol::output_section): Assert that object is not a plugin.
9674         (Symbol_table::add_from_pluginobj): New function.
9675         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9676         undefined.
9677         (Symbol_table::sized_write_globals): Likewise.
9678         (Symbol_table::add_from_pluginobj): Instantiate template.
9679         * symtab.h (Sized_pluginobj): Declare.
9680         (Symbol::in_real_elf): New function.
9681         (Symbol::set_in_real_elf): New function.
9682         (Symbol::in_real_elf_): New field.
9683         (Symbol_table::add_from_pluginobj): New function.
9684
9685         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9686         (LIBDL): New variable.
9687         (LDADD): Add LIBDL.
9688         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9689         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9690         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9691         (MOSTLYCLEANFILES): Likewise.
9692         * testsuite/Makefile.in: Regenerate.
9693         * testsuite/plugin_test.c: New file.
9694         * testsuite/plugin_test_1.sh: New file.
9695         * testsuite/plugin_test_2.sh: New file.
9696
9697 2008-09-16  Ian Lance Taylor  <[email protected]>
9698
9699         * target-reloc.h (relocate_section): Check whether a symbol is
9700         defined by the ABI before reporting an undefined symbol error.
9701         * target.h (Target::is_defined_by_abi): Make parameter const.
9702         (Target::do_is_defined_by_abi): Likewise.
9703         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9704         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9705         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9706         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9707         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9708         * testsuite/Makefile.in: Rebuild.
9709
9710         * fileread.cc (make_view): Add casts to avoid warning.
9711
9712 2008-09-16  Alexandre Oliva  <[email protected]>
9713
9714         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9715         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9716
9717 2008-09-16  Alexandre Oliva  <[email protected]>
9718
9719         * options.h (General_options::output_is_executable): New.
9720         (General_options::output_is_pie): New.
9721         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9722         for shared libraries.
9723         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9724
9725 2008-09-11  Chris Demetriou  <[email protected]>
9726
9727         * options.h (origin): New -z option.
9728         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9729         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9730         in DT_FLAGS_1.
9731
9732 2008-09-05  Cary Coutant  <[email protected]>
9733
9734         * fileread.cc (File_read::make_view): Add check for attempt to map
9735         beyond end of file.
9736
9737 2008-09-05  Cary Coutant  <[email protected]>
9738
9739         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9740         explicit instantiations.
9741
9742 2008-08-28  Kris Van Hees  <[email protected]>
9743
9744         PR gold/6858
9745         * options.cc (General_options::finalize): Allow undefined symbols
9746         in shlibs if linking -shared.
9747
9748         PR gold/6859
9749         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9750         symbols as not needing a dynsym entry.
9751
9752 2008-08-20  Craig Silverstein  <[email protected]>
9753
9754         * fileread.cc (File_read::open): Do not lock the file unless it
9755         was successfully opened.
9756
9757 2008-08-14  Cary Coutant  <[email protected]>
9758
9759         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9760         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9761         * testsuite/tls_test.cc (struct int128): 128-bit struct
9762         for testing TLS relocs with non-zero addend.
9763         (v12): New TLS variable.
9764         (t12): New test.
9765         (t_last): Add check for v12.
9766         * testsuite/tls_test.h (t12): New function.
9767         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9768
9769 2008-08-13  Ian Lance Taylor  <[email protected]>
9770
9771         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9772         set tls_segment_ or relro_segment_.
9773         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9774         when appropriate.
9775         * output.h (Output_section::clear_is_relro): New function.
9776         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9777         sections specially even when output_data_ is empty.
9778         (Output_segment::maximum_alignment): When first section is relro,
9779         only force alignment for PT_LOAD segments.
9780         * script.cc (script_data_segment_align): New function.
9781         (script_data_segment_relro_end): New function.
9782         * script-c.h (script_data_segment_align): Declare.
9783         (script_data_segment_relro_end): Declare.
9784         * script-sections.h (class Script_sections): Declare
9785         data_segment_align and data_segment_relro_end.  Add fields
9786         segment_align_index_ and saw_relro_end_.
9787         * script-sections.cc (class Sections_element): Add set_is_relro
9788         virtual function.  Add new bool* parameter to place_orphan_here.
9789         Add get_output_section virtual function.
9790         (class Output_section_definition): Add set_is_relro.  Add new
9791         bool* parameter to place_orphan_here.  Add get_output_section.
9792         Add is_relro_ field.
9793         (Output_section_definition::Output_section_definition): Initialize
9794         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9795         and is_relro_ fields.
9796         (Output_section_definition::place_orphan_here): Add is_relro
9797         parameter.
9798         (Output_section_definition::set_section_addresses): Set relro for
9799         output section.
9800         (Output_section_definition::alternate_constraint): Likewise.
9801         (class Orphan_output_section): Add new bool* parameter to
9802         place_orphan_here.  Add get_output_section.
9803         (Orphan_output_section::place_orphan_here): Add is_relro
9804         parameter.
9805         (Script_sections::Script_sections): Initialize
9806         data_segment_align_index_ and saw_relro_end_.
9807         (Script_sections::data_segment_align): New function.
9808         (Script_sections::data_segment_relro_end): New function.
9809         (Script_sections::place_orphan): Set or clear is_relro.
9810         (Script_sections::set_section_addresses): Force alignment of first
9811         TLS section.
9812         * yyscript.y (exp): Call script_data_segment_align and
9813         script_data_segment_relro_end.
9814         * testsuite/relro_script_test.t: New file.
9815         * testsuite/relro_test.cc (using_script): Declare.
9816         (t1, t2): Test using_script.
9817         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9818         (relro_script_test_SOURCES): Define.
9819         (relro_script_test_DEPENDENCIES): Define.
9820         (relro_script_test_LDFLAGS): Define.
9821         (relro_script_test_LDADD): Define.
9822         (relro_script_test.so): New target.
9823         * testsuite/Makefile.in: Rebuild.
9824
9825 2008-08-06  Cary Coutant <[email protected]>
9826
9827         * archive.cc (Archive::total_archives, Archive::total_members)
9828         (Archive::total_members_loaded): New variables.
9829         (Archive::setup): Add parameter.  Add option to preread
9830         archive symbols.
9831         (Archive::read_armap): Add counter.
9832         (Archive::get_file_and_offset): New function.
9833         (Archive::get_elf_object_for_member): New function.
9834         (Archive::read_all_symbols): New function.
9835         (Archive::read_symbols): New function.
9836         (Archive::add_symbols): Add counters.
9837         (Archive::include_all_members): Use armap to find members if it's
9838         already built.
9839         (Archive::include_member): Skip reading symbols if already read.
9840         Factored code into Archive::get_file_and_offset and
9841         Archive::get_elf_object_for_member.  Changed call to
9842         Mapfile::report_include_archive_member.
9843         (Archive::print_stats): New function.
9844         * archive.h: Declare Object and Read_symbols_data classes.
9845         (Archive::Archive): Add initializers for new members.
9846         (Archive::setup): Add parameter.
9847         (Archive::print_stats): New function.
9848         (Archive::total_archives, Archive::total_members)
9849         (Archive::total_members_loaded): New variables.
9850         (Archive::get_file_and_offset): New function.
9851         (Archive::get_elf_object_for_member): New function.
9852         (Archive::read_all_symbols): New function.
9853         (Archive::read_symbols): New function.
9854         (Archive::Archive_member): New class.
9855         (Archive::members_): New member.
9856         (Archive::num_members_): New member.
9857         * main.cc: Include archive.h.
9858         (main): Call Archive::print_stats.
9859         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9860         archive parameter; member_name is now the fully-decorated name.
9861         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9862         * options.h: (General_options): Add --preread-archive-symbols option.
9863         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9864         Archive::setup.
9865
9866 2008-08-04  Ian Lance Taylor  <[email protected]>
9867
9868         * symtab.h (Symbol::use_plt_offset): New function.
9869         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9870         * powerpc.cc (Relocate::relocate): Likewise.
9871         * sparc.cc (Relocate::relocate): Likewise.
9872         * x86_64.cc (Relocate::relocate): Likewise.
9873         * testsuite/weak_plt.sh: New test.
9874         * testsuite/weak_plt_main.cc: New test.
9875         * testsuite/weak_plt_shared.cc: New test.
9876         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9877         (check_PROGRAMS): Add weak_plt.
9878         (check_DATA): Add weak_plt_shared.so.
9879         (weak_plt_main_pic.o, weak_plt): New targets.
9880         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9881         * testsuite/Makefile.in: Rebuild.
9882
9883         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9884         gcctestdir/ld.
9885         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9886         * testsuite/Makefile.in: Rebuild.
9887
9888 2008-08-04  Alan Modra  <[email protected]>
9889
9890         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9891         * Makefile.in: Regenerate.
9892         * po/POTFILES.in: Regenerate.
9893
9894 2008-07-29  Ian Lance Taylor  <[email protected]>
9895
9896         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9897         symbols before other symbols.
9898         * testsuite/script_test_2.cc (test_addr): Declare.
9899         (test_addr_alias): Declare.
9900         (main): Check that test_addr and test_addr_alias have the right
9901         values.
9902         * testsuite/script_test_2.t: Define test_addr_alias and
9903         test_addr.
9904
9905 2008-07-24  Ian Lance Taylor  <[email protected]>
9906
9907         PR 5990
9908         * descriptors.cc: New file.
9909         * descriptors.h: New file.
9910         * gold-threads.h (class Hold_optional_lock): New class.
9911         * fileread.cc: Include "descriptors.h".
9912         (File_read::~File_read): Release descriptor rather than closing
9913         it.
9914         (File_read::open) [file]: Call open_descriptor rather than open.
9915         Set is_descriptor_opened_.
9916         (File_read::open) [memory]: Assert that descriptor is not open.
9917         (File_read::reopen_descriptor): New function.
9918         (File_read::release): Release descriptor.
9919         (File_read::do_read): Make non-const.  Reopen descriptor.
9920         (File_read::read): Make non-const.
9921         (File_read::make_view): Reopen descriptor.
9922         (File_read::do_readv): Likewise.
9923         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9924         Update declarations.
9925         * layout.cc: Include "descriptors.h".
9926         (Layout::create_build_id): Use open_descriptor rather than open.
9927         * output.cc: Include "descriptors.h".
9928         (Output_file::open): Use open_descriptor rather than open.
9929         * archive.cc (Archive::const_iterator): Change Archive to be
9930         non-const.
9931         (Archive::begin, Archive::end): Make non-const.
9932         (Archive::count_members): Likewise.
9933         * archive.h (class Archive): Update declarations.
9934         * object.h (Object::read): Make non-const.
9935         * Makefile.am (CCFILES): Add descriptors.cc.
9936         (HFILES): Add descriptors.h.
9937         * Makefile.in: Rebuild.
9938
9939         PR 6716
9940         * gold.h: Always include <clocale>.  Add Solaris workarounds
9941         following code in binutils/sysdep.h.
9942
9943         PR 6048
9944         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9945         this->eh_frame_hdr_ is NULL before using it.
9946
9947         * dynobj.cc (Versions::Versions): Update comment.
9948
9949         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9950         the base version name.
9951
9952         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9953         array size plus one.
9954         (Stringpool_template::set_string_offsets): Subtract one from key
9955         before using it as an array index.
9956         (Stringpool_template::get_offset_with_length): Likewise.
9957         (Stringpool_template::write_to_buffer): Likewise.
9958         * stringpool.h (Stringpool_template::get_offset_from_key):
9959         Likewise.
9960
9961 2008-07-23  Ian Lance Taylor  <[email protected]>
9962
9963         PR 6658
9964         * object.h (Merged_symbol_value::value): Do our best to handle a
9965         negative addend.
9966
9967         PR 6647
9968         * script.cc (Version_script_info::get_versions): Don't add empty
9969         version tag to return value.
9970         (Version_script_info::get_symbol_version_helper): Change return
9971         type to bool.  Add pversion parameter.  Change all callers.
9972         (script_register_vers_node): Don't require a non-NULL tag.
9973         * script.h (class Version_script_info): Update declarations.
9974         (Version_script_info::get_symbol_version): Change return type to
9975         bool.  Add version parameter.  Change all callers.
9976         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9977         handling.  Handle an empty version from a version script.
9978         (Symbol_table::define_special_symbol): Likewise.
9979         * testsuite/ver_test_10.script: New file.
9980         * testsuite/ver_test_10.sh: New file.
9981         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9982         (check_DATA): Add ver_test_10.syms.
9983         (ver_test_10.syms, ver_test_10.so): New target.
9984         * testsuite/Makefile.in: Rebuild.
9985
9986 2008-07-23  Simon Baldwin  <[email protected]>
9987
9988         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9989         to zero for undefined symbols from dynamic libraries.
9990
9991 2008-07-23  Ian Lance Taylor  <[email protected]>
9992
9993         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9994         Change all callers.
9995         * symtab.h (class Symbol_table): Update declaration.
9996         * testsuite/ver_test_9.cc: New file.
9997         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9998         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9999         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10000         (ver_test_9.so, ver_test_9.o): New targets.
10001         * testsuite/Makefile.in: Rebuild.
10002
10003 2008-07-22  Ian Lance Taylor  <[email protected]>
10004
10005         * options.h (class General_options): Define --check-sections.
10006         * layout.cc (Layout::set_segment_offsets): Handle
10007         --check-sections.
10008
10009         * options.h (class General_options): Define -n/--nmagic and
10010         -N/--omagic.
10011         * options.cc (General_options::finalize): For -n/--nmagic or
10012         -N/--omagic, set -static.
10013         * layout.cc (Layout::attach_allocated_section_to_segment): If
10014         -N/--omagic, don't put read-only and read-write sections in
10015         different segments.
10016         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10017         finding a read-only segment.
10018         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10019         don't set the minimum segment alignment to the common page size,
10020         and don't set the file offset to the address modulo the page size.
10021         * script-sections.cc (Script_sections::create_segments): If
10022         -n/--omagic, don't put read-only and read-write sections in
10023         different segments.
10024
10025         * cref.cc: New file.
10026         * cref.h: New file.
10027         * options.h (class General_options): Add --print-symbol-counts.
10028         * main.cc (main): Issue defined symbol report if requested.
10029         * archive.cc (Archive::interpret_header): Make into a const member
10030         function.
10031         (Archive::add_symbols): Call Input_objects::archive_start and
10032         archive_stop.
10033         (Archive::const_iterator): Define new class.
10034         (Archive::begin, Archive::end): New functions.
10035         (Archive::include_all_members): Rewrite to use iterator.
10036         (Archive::count_members): New function.
10037         * archive.h (class Archive): Update declarations.
10038         (Archive::filename): New function.
10039         * object.cc: Include "cref.h".
10040         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10041         (Sized_relobj::do_get_global_symbol_counts): New function.
10042         (Input_objects::add_object): Add object to cross-referencer.
10043         (Input_objects::archive_start): New function.
10044         (Input_objects::archive_stop): New function.
10045         (Input_objects::print_symbol_counts): New function.
10046         * object.h: Declare Cref and Archive.
10047         (Object::get_global_symbol_counts): New function.
10048         (Object::do_get_global_symbol_counts): New pure virtual function.
10049         (class Sized_relobj): Add defined_count_ field.  Update
10050         declarations.
10051         (class Input_objects): Add cref_ field.  Update constructor.
10052         Update declarations.
10053         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10054         defined_count_.
10055         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10056         symbol counts.
10057         (Sized_dynobj::do_get_global_symbol_counts): New function.
10058         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10059         defined_count_.  Update declarations.  Define Symbols typedef.
10060         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10061         parameter.  Change all callers.
10062         (Symbol_table::add_from_dynobj): Add sympointers and defined
10063         parameters.  Change all callers.
10064         * symtab.h (class Symbol_table): Update declarations.
10065         * Makefile.am (CCFILES): Add cref.cc.
10066         (HFILES): Add cref.h.
10067         * Makefile.in: Rebuild.
10068
10069 2008-07-22  Simon Baldwin  <[email protected]>
10070
10071         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10072         to zero when writing undefined symbols.
10073
10074 2008-07-22  Ian Lance Taylor  <[email protected]>
10075
10076         * output.cc (Output_section::add_input_section): Don't try to
10077         merge empty merge sections.
10078
10079 2008-07-21  Craig Silverstein  <[email protected]>
10080
10081         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10082         Include symbol version in error message.
10083
10084 2008-07-20  Chris Demetriou  <[email protected]>
10085
10086         * configure.ac (gold_cv_c_random_seed): New configured variable.
10087         (RANDOM_SEED_CFLAGS): New substituted variable.
10088         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10089         * configure: Rebuild.
10090         * Makefile.in: Likewise.
10091         * testsuite/Makefile.in: Likewise.
10092
10093 2008-07-18  Ian Lance Taylor  <[email protected]>
10094
10095         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10096         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10097         * testsuite/ver_test_main.cc (main): Call t4.
10098         (t4, t4_2a): Define.
10099         * testsuite/ver_test_2.cc (t4_2): Define.
10100         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10101         * testsuite/ver_test_4.cc (t4_2a): Define.
10102         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10103         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10104
10105 2008-07-17  Ian Lance Taylor  <[email protected]>
10106
10107         * dynobj.cc (Versions::add_def): If we give an error about a
10108         missing version, go ahead and create the version anyhow.
10109
10110 2008-07-10  Ian Lance Taylor  <[email protected]>
10111
10112         Handle output sections with more than 0x7fffffff bytes.
10113         * object.h (class Relobj): Change map_to_output_ to
10114         output_sections_, and just keep a section pointer.  Change all
10115         uses.  Move comdat group support to Sized_relobj.
10116         (Relobj::is_section_specially_mapped): Remove.
10117         (Relobj::output_section): Remove poff parameter.  Change all
10118         callers.
10119         (Relobj::output_section_offset): New function.
10120         (Relobj::set_section_offset): Rewrite.
10121         (Relobj::map_to_output): Remove.
10122         (Relobj::output_sections): New function.
10123         (Relobj::do_output_section_offset): New pure virtual function.
10124         (Relobj::do_set_section_offset): Likewise.
10125         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10126         group support from Relobj.  Update declarations.
10127         (Sized_relobj::get_output_section_offset): New function.
10128         (Sized_relobj::do_output_section_offset): New function.
10129         (Sized_relobj::do_set_section_offset): New function.
10130         * object.cc (Relobj::output_section_address): Remove.
10131         (Sized_relobj::Sized_relobj): Initialize new fields.
10132         (Sized_relobj::include_section_group): Cast find_kept_object to
10133         Sized_relobj.
10134         (Sized_relobj::include_linkonce_section): Likewise.
10135         (Sized_relobj::do_layout): Use separate arrays for output section
10136         and output offset.
10137         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10138         output_sections.
10139         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10140         output_sections and section_offsets.
10141         (Sized_relobj::write_local_symbols): Likewise.
10142         (map_to_kept_section): Compute output address directly.
10143         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10144         output_sections and section_offsets.
10145         (Sized_relobj::write_sections): Likewise.
10146         (Sized_relobj::relocate_sections): Likewise.
10147         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10148         * output.h (class Output_reloc): Update declarations.  Change
10149         u2_.relobj to Sized_relobj*.
10150         (class Output_data_reloc): Change add functions to use
10151         Sized_relobj*.
10152         * output.cc (Output_reloc::Output_reloc): Change relobj to
10153         Sized_relobj*.
10154         (Output_reloc::local_section_offset): Change return type to
10155         Elf_Addr.  Use get_output_section_offset.
10156         (Output_reloc::get_address): Likewise.
10157         (Output_section::is_input_address_mapped): Don't call
10158         is_section_specially_mapped.
10159         (Output_section::output_offset): Likewise.
10160         (Output_section::output_address): Likewise.
10161         (Output_section::starting_output_address): Likewise.
10162         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10163         parameter to Sized_relobj*.
10164         (Copy_relocs::need_copy_reloc): Likewise.
10165         (Copy_relocs::save): Likewise.
10166         * copy-relocs.h (class Copy_relocs): Update declarations.
10167         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10168         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10169         * target-reloc.h (relocate_for_relocatable): Change
10170         offset_in_output_section type to Elf_Addr.  Change code that uses
10171         it as well.
10172         * layout.cc (Layout::layout): Always set *off.
10173         * mapfile.cc (Mapfile::print_input_section): Use
10174         output_section_offset.
10175         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10176         Sized_relobj*.
10177         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10178         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10179         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10180
10181 2008-07-03  Ian Lance Taylor  <[email protected]>
10182
10183         * layout.cc (Layout::include_section): Do not discard unrecognized
10184         SHT_STRTAB sections.
10185
10186 2008-06-30  Craig Silverstein  <[email protected]>
10187
10188         * script.cc (Lex::can_continue_name): Make '?' allowable in
10189         version-script names.
10190         * testsuite/version_script.map: Change glob pattern to use '?'
10191
10192 2008-06-30  Manish Singh  <[email protected]>
10193
10194         PR 6585
10195         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10196         Correct typo.
10197
10198 2008-06-30  Ian Lance Taylor  <[email protected]>
10199
10200         PR 6660
10201         PR 6682
10202         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10203         versions]: Don't try to read the value in the contents, since we
10204         don't use it.  Use the template endianness when writing.
10205
10206 2008-06-25  Cary Coutant  <[email protected]>
10207
10208         * fileread.cc (File_read::make_view): Assert on zero-length view.
10209         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10210         symbol table when there are no symbols to read.
10211
10212 2008-06-23  Craig Silverstein  <[email protected]>
10213
10214         * version.cc (version_string): Bump to 1.7
10215
10216 2008-06-18  Craig Silverstein  <[email protected]>
10217
10218         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10219         constant 0xFFFF to type Valtype.
10220         (Powerpc_relocate_functions::rel16_ha): Likewise.
10221
10222 2008-06-17  Ian Lance Taylor  <[email protected]>
10223
10224         * output.h (Output_section::Input_section): Initialize p2align_ to
10225         zero for Output_section_data constructors.
10226         (Output_section::Input_section::addralign): If not an input
10227         section, return the alignment of the Output_section_data.
10228         * testsuite/copy_test.cc: New file.
10229         * testsuite/copy_test_1.cc: New file.
10230         * testsuite/copy_test_2.cc: New file.
10231         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10232         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10233         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10234         (copy_test_1_pic.o, copy_test_1.so): New targets.
10235         (copy_test_2_pic.o, copy_test_2.so): New targets.
10236         * testsuite/Makefile.in: Rebuild.
10237
10238         * script-sections.cc (Script_sections::place_orphan): Initialize
10239         local variable exact.
10240
10241 2008-06-13  David Edelsohn  <[email protected]>
10242
10243         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10244
10245 2008-06-12  David Edelsohn  <[email protected]>
10246             David S. Miller  <[email protected]>
10247
10248         * powerpc.cc: New file.
10249         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10250         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10251         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10252         * Makefile.in: Rebuild.
10253
10254 2008-06-09  Ian Lance Taylor  <[email protected]>
10255
10256         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10257         <exception>.
10258         (throwing, orig_terminate): New static variables.
10259         (terminate_handler): New static function.
10260         (t2): Set terminate handler.
10261
10262 2008-06-05  Kris Van Hees  <[email protected]>
10263
10264         PR 6584
10265         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10266         alignment.
10267
10268 2008-05-30  Cary Coutant  <[email protected]>
10269
10270         * archive.cc (Archive::include_all_members) Correct to step
10271         over symbol table and extended name table in thin archives.
10272
10273 2008-05-29  Kris Van Hees  <[email protected]>
10274
10275         PR 6407
10276         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10277         calculation.
10278
10279 2008-05-28  Caleb Howe  <[email protected]>
10280
10281         * reduced_debug_output.cc: New file.
10282         * reduced_debug_output.h: New file.
10283         * options.h (class General_options): Add --strip-debug-non-line.
10284         * options.cc (General_options::finalize): Add strip_debug_non_line
10285         to the strip heirarchy.
10286         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10287         fields.
10288         * layout.cc: Include "reduced_debug_output.h".
10289         (Layout::Layout): Initialize new fields.
10290         (line_only_debug_sections): New static array.
10291         (is_lines_only_debug_sections): New static inline function.
10292         (Layout::include_section): Handle --strip-debug-non-line.
10293         (Layout::make_output_section): If --strip-debug-non-line, build
10294         new output sections for .debug_abbrev and .debug_info.
10295         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10296         gold.  Warn about possible overflow.
10297         (read_signed_LEB_128): Likewise.
10298         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10299         (read_signed_LEB_128): Declare.
10300         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10301         (HFILES): Add reduced_debug_output.h.
10302         * Makefile.in: Rebuild.
10303
10304 2008-05-21  Ian Lance Taylor  <[email protected]>
10305
10306         * mapfile.cc: New file.
10307         * mapfile.h: New file.
10308         * options.h (class General_options): Add -M/--print-map and -Map.
10309         * options.cc (General_options::finalize): Make -M equivalent to
10310         -Map -.
10311         * main.cc: Include <cstdio> and "mapfile.h".
10312         (main): Open mapfile if requested.
10313         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10314         constructor.  Change caller.
10315         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10316         (queue_middle_tasks): Likewise.
10317         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10318         declarations.
10319         * archive.cc: Include "mapfile.h".
10320         (Archive::add_symbols): Add mapfile parameter.  Change all
10321         callers.  Pass mapfile, symbol, and reason to include_member.
10322         (Archive::include_all_members): Add mapfile parameter.  Change all
10323         callers.
10324         (Archive::include_member): Add mapfile, sym, and why parameters.
10325         Change all callers.  Report inclusion to map file.
10326         * archive.h: Include "fileread.h".
10327         (class Archive): Update declarations.
10328         (Archive::file): New const method.
10329         (class Add_archive_symbols): Add mapfile_ field.  Update
10330         constructor.  Change all callers.
10331         * readsyms.h (class Read_symbols): Likewise.
10332         (class Finish_group): Likewise.
10333         (class Read_script): Likewise.
10334         * common.cc: Include "mapfile.h".
10335         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10336         all callers.
10337         (Symbol_table::do_allocate_commons): Likewise.
10338         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10339         symbol allocation to mapfile.
10340         * common.h (class Allocate_commons_task): Add mapfile_ field.
10341         Update constructor.  Change all callers.
10342         * symtab.h (class Symbol_table): Update declarations.
10343         * layout.cc: Include "mapfile.h".
10344         (Layout_task_runner::run): Print information to mapfile.
10345         (Layout::create_gold_note): Change Output_data_fixed_space to
10346         Output_data_zero_fill.
10347         (Layout::create_build_id): Likewise.
10348         (Layout::print_to_mapfile): New function.
10349         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10350         constructor.  Change caller.
10351         (class Layout): Declare print_to_mapfile.
10352         * output.cc (Output_section::Input_section::print_to_mapfile): New
10353         function.
10354         (Output_section::add_input_section): If producing a map, always
10355         add to input_sections_ list.
10356         (Output_section::do_print_to_mapfile): New function.
10357         (Output_segment::print_sections_to_mapfile): New function.
10358         (Output_segment::print_section_list_to_mapfile): New function.
10359         * output.h: Include "mapfile.h".
10360         (Output_data::print_to_mapfile): New function.
10361         (Output_data::do_print_to_mapfile): New virtual function.
10362         (Output_segment_headers::do_print_to_mapfile): New function.
10363         (Output_file_header::do_print_to_mapfile): New function.
10364         (Output_data_const::do_print_to_mapfile): New function.
10365         (class Output_data_const_buffer): Add map_name_ field.  Update
10366         constructor.  Change all callers.  Add do_print_to_mapfile
10367         function.
10368         (class Output_data_fixed_space): Likewise.
10369         (class Output_data_space): Likewise.
10370         (class Output_data_zero_fill): New class.
10371         (Output_data_strtab::do_print_to_mapfile): New function.
10372         (Output_data_reloc_base::do_print_to_mapfile): New function.
10373         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10374         (Output_data_group::do_print_to_mapfile): New function.
10375         (Output_data_got::do_print_to_mapfile): New function.
10376         (Output_data_dynamic::do_print_to_mapfile): New function.
10377         (Output_symtab_xindex::do_print_to_mapfile): New function.
10378         (class Output_section): Declare do_print_to_mapflie.  Declare
10379         print_to_mapfile in Input_section.
10380         (class Output_segment): Declare new functions.
10381         * object.h (Sized_relobj::symbol_count): New function.
10382         * script-sections.cc
10383         (Output_section_element_dot_assignment::set_section_addresses):
10384         Change Output_data_fixed_space to Output_data_zero_fill.
10385         (Output_data_expression::do_print_to_mapfile): New function.
10386         * script.cc (read_input_script): Add mapfile parameter.  Change
10387         all callers.
10388         * script.h (read_input_script): Update declaration.
10389         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10390         (Eh_frame::do_print_to_mapfile): New function.
10391         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10392         (Output_merge_string::do_print_to_mapfile): New function.
10393         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10394         function.
10395         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10396         function.
10397         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10398         function.
10399         * Makefile.am (CCFILES): Add mapfile.cc.
10400         (HFILES): Add mapfile.h.
10401         * Makefile.in: Rebuild.
10402
10403 2008-05-19  Ian Lance Taylor  <[email protected]>
10404
10405         * options.h (class General_options): Add -z relro.
10406         * layout.cc (Layout::Layout): Initialize relro_segment_.
10407         (Layout::add_output_section_data): Return the output section.
10408         (Layout::make_output_section): Rcognize relro sections and mark
10409         them appropriately.
10410         (Layout::attach_allocated_section_to_segment): Put relro sections
10411         in a PT_GNU_RELRO segment.
10412         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10413         section as relro.
10414         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10415         PT_TLS segments.
10416         (Layout::linkonce_mapping): Map d.rel.ro.local to
10417         .data.rel.ro.local.
10418         (Layout::output_section_name): Us .data.rel.ro.local for any
10419         section which begins with that.
10420         * layout.h (class Layout): Update add_output_section_data
10421         declaration.  Add relro_segment_ field.
10422         * output.cc (Output_section::Output_section): Initialize is_relro_
10423         and is_relro_local_ fields.
10424         (Output_segment::add_output_section): Group relro sections.
10425         (Output_segment::is_first_section_relro): New function.
10426         (Output_segment::maximum_alignment): If there is a relro section,
10427         align the segment to the common page size.
10428         (Output_segment::set_section_addresses): Track whether we are
10429         looking at relro sections.  If the last section is a relro
10430         section, align to the common page size.
10431         (Output_segment::set_section_list_addresses): Add in_relro
10432         parameter.  Change all callers.  Align to the page size when
10433         moving from relro to non-relro section.
10434         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10435         segment.
10436         * output.h (class Output_section): Add is_relro_ and
10437         is_relro_local_ fields.
10438         (Output_section::is_relro): New function.
10439         (Output_section::set_is_relro): New function.
10440         (Output_section::is_relro_local): New function.
10441         (Output_section::set_is_relro_local): New function.
10442         (class Output_segment): Update declarations.
10443         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10444         * sparc.cc (Target_sparc::got_section): Likewise.
10445         * x86_64.cc (Target_x86_64::got_section): Likewise.
10446         * testsuite/relro_test_main.cc: New file.
10447         * testsuite/relro_test.cc: New file.
10448         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10449         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10450         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10451         (relro_test.so, relro_test_pic.o): New targets.
10452         * testsuite/Makefile.in: Rebuild.
10453
10454 2008-05-16  Ian Lance Taylor  <[email protected]>
10455
10456         * output.cc (Output_segment::add_output_section): Remove front
10457         parameter.
10458         * output.h (class Output_segment): Remove
10459         add_initial_output_section and overloaded add_output_section.
10460         Update declaration of remaining add_output_section.
10461         * layout.cc (Layout::create_interp): Call add_output_section
10462         rather than add_initial_output_section.
10463         (Layout::finish_dynamic_section): Likewise.
10464
10465         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10466         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10467         know the dynamic type.
10468         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10469         field.  Initialize it in constructor.
10470         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10471         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10472         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10473         reloc.
10474
10475         * output.cc (Output_reloc::get_address): Change return type to
10476         Elf_Addr.
10477         * output.h (class Output_reloc): Update get_address declaration.
10478         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10479         for section addresses.
10480
10481 2008-05-09  Ian Lance Taylor  <[email protected]>
10482
10483         PR 6493
10484         * gold.cc (gold_nomem): Use return value of write.
10485
10486 2008-05-08  Ian Lance Taylor  <[email protected]>
10487
10488         * symtab.c (Symbol::init_base_output_data): Add version
10489         parameter.  Change all callers.
10490         (Symbol::init_base_output_segment): Likewise.
10491         (Symbol::init_base_constant): Likewise.
10492         (Symbol::init_base_undefined): Likewise.
10493         (Sized_symbol::init_output_data): Likewise.
10494         (Sized_symbol::init_output_segment): Likewise.
10495         (Sized_symbol::init_constant): Likewise.
10496         (Sized_symbol::init_undefined): Likewise.
10497         (Symbol_table::do_define_in_output_data): If the new symbol has a
10498         version, mark it as the default.
10499         (Symbol_table::do_define_in_output_segment): Likewise.
10500         (Symbol_table::do_define_as_constant): Likewise.
10501         * symtab.h (class Symbol): Update declarations.
10502         (class Sized_symbol): Likewise.
10503         * resolve.cc (Symbol::override_version): New function.
10504         (Symbol::override_base): Call override_version.
10505         (Symbol::override_base_with_special): Likewise.
10506         * testsuite/ver_script_8.script: New file.
10507         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10508         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10509         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10510         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10511
10512 2008-05-06  Ian Lance Taylor  <[email protected]>
10513
10514         PR 6049
10515         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10516         functions.
10517         (class General_options): Remove existing --undefined, and add
10518         --no-undefined instead.  Add new --undefined as synonym for -u.
10519         * archive.cc (Archive::add_symbols): Check whether symbol was
10520         named with -u.
10521         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10522         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10523         all uses.  Add IS_UNDEFINED.  Update declarations to split
10524         different versions of init_base.  Declare init_base_undefined.
10525         (Symbol::is_defined): Handle IS_UNDEFINED.
10526         (Symbol::is_undefined): Likewise.
10527         (Symbol::is_weak_undefined): Call is_undefined.
10528         (Symbol::is_absolute): Handle IS_CONSTANT.
10529         (class Sized_symbol): Update declarations to split different
10530         versions of init.  Declare init_undefined.
10531         (class Symbol_table): Declare new functions.
10532         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10533         Change all callers.
10534         (Symbol::init_base_output_data): Likewise.
10535         (Symbol::init_base_output_segment): Likewise.
10536         (Symbol::init_base_constant): Likewise.
10537         (Symbol::init_base_undefined): New function.
10538         (Sized_symbol::init_object): Rename from init.  Change all
10539         callers.
10540         (Sized_symbol::init_output_data): Likewise.
10541         (Sized_symbol::init_output_segment): Likewise.
10542         (Sized_symbol::init_constant): Likewise.
10543         (Sized_symbol::init_undefined): New function.
10544         (Symbol_table::add_undefined_symbols_from_command_line): New
10545         function.
10546         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10547         function.
10548         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10549         (Symbol::output_section): Likewise.
10550         (Symbol::set_output_section): Likewise.
10551         (Symbol_table::sized_finalize_symbol): Likewise.
10552         (Symbol_table::sized_write_globals): Likewise.
10553         * resolve.cc (Symbol_table::should_override): Likewise.
10554         (Symbol::override_base_with_special): Likewise.
10555
10556         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10557         symbol, change it to have default visibility.
10558         * testsuite/protected_1.cc: New file.
10559         * testsuite/protected_2.cc: New file.
10560         * testsuite/protected_3.cc: New file.
10561         * testsuite/protected_main_1.cc: New file.
10562         * testsuite/protected_main_2.cc: New file.
10563         * testsuite/protected_main_3.cc: New file.
10564         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10565         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10566         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10567         (protected_1.so): New target.
10568         (protected_1_pic.o, protected_2_pic.o): New targets.
10569         (protected_3_pic.o): New target.
10570         (check_PROGRAMS): Add protected_2.
10571         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10572         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10573         * testsuite/Makefile.in: Rebuild.
10574
10575         * options.h (DEFINE_var): Add set_user_set_##varname__.
10576         (DEFINE_bool_alias): New macro.
10577         (class General_options): Define -Bstatic using DEFINE_bool_alias
10578         rather than DEFINE_special.  Add --undefined as an alias for -z
10579         defs.
10580         * options.cc (General_options::parse_Bstatic): Remove.
10581
10582         * options.h (class General_options): Add --fatal-warnings.
10583         * main.cc (main): Implement --fatal-warnings.
10584         * errors.h (Errors::warning_count): New function.
10585
10586         * options.h (class General_options): Add -Bsymbolic-functions.
10587         * symtab.h (Symbol::is_preemptible): Check for
10588         -Bsymbolic-functions.
10589
10590 2008-05-05  Ian Lance Taylor  <[email protected]>
10591
10592         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10593         as noVARNAME rather than no-VARNAME.
10594         (class General_options): Add option -z combreloc.
10595         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10596         get_address.
10597         (Output_reloc::sort_before) [SHT_REL]: New function.
10598         (Output_reloc::sort_before) [SHT_RELA]: New function.
10599         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10600         Sort_relocs_comparison.
10601         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10602         parameter.  Change all callers.
10603         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10604         sort_relocs parameter.  Change all callers.
10605         * output.cc (Output_reloc::get_address): New function, broken out
10606         of write_rel.
10607         (Output_reloc::write_rel): Call it.
10608         (Output_reloc::compare): New function.
10609         (Output_data_reloc_base::do_write): Optionally sort relocs.
10610
10611         * configure.ac: If targ_extra_obj is set, link it in.
10612         * configure.tgt: Initialize all variables.
10613         (x86_64*): Set targ_extra_obj and targ_extra_size.
10614         * configure: Rebuild.
10615
10616         * object.cc (Sized_relobj::include_section_group): Adjust section
10617         indexes read from group data.  Build vector to pass to
10618         layout_group.
10619         * layout.cc (Layout::layout_group): Add flags and shndxes
10620         parameters.  Remove contents parameter.  Change caller.  Update
10621         explicit instantiations.
10622         * layout.h (class Layout): Update layout_group declaration.
10623         * output.cc (Output_data_group::Output_data_group): Add flags and
10624         input_shndxes parameters.  Remove contents parameter.  Change
10625         caller.
10626         (Output_data_group::do_write): Change input_sections_ to
10627         input_shndxes_.
10628         * output.h (class Output_data_group): Update constructor
10629         declaration.  Rename input_sections_ to input_shndxes_.
10630         * testsuite/many_sections_test.cc: Add template.
10631
10632 2008-04-30  Cary Coutant  <[email protected]>
10633
10634         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10635
10636         * layout.cc (Layout::include_section): Refactored check for debug
10637         info section.
10638         (Layout::add_comdat): Add new parameters.  Change type
10639         of signature parameter.  Add object and shndx to signatures table.
10640         (Layout::find_kept_object): New function.
10641         * layout.h: Include <cstring>.
10642         (Layout::is_debug_info_section): New function.
10643         (Layout::add_comdat): Add new parameters.
10644         (Layout::find_kept_object): New function.
10645         (Layout::Kept_section): New struct.
10646         (Layout::Signatures): Change type of map range.
10647         * object.cc (Relobj::output_section_address): New function.
10648         (Sized_relobj::include_section_group): Add new parameters.  Change
10649         calls to Layout::add_comdat.  Change to build table of kept comdat
10650         groups and table mapping discarded sections to kept sections.
10651         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10652         (Sized_relobj::do_layout): Change calls to include_section_group and
10653         include_linkonce_section.
10654         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10655         value to zero when section is discarded.
10656         (Sized_relobj::map_to_kept_section): New function.
10657         * object.h (Relobj::output_section_address): New function.
10658         (Relobj::Comdat_group): New type.
10659         (Relobj::find_comdat_group): New function.
10660         (Relobj::Comdat_group_table): New type.
10661         (Relobj::Kept_comdat_section): New type.
10662         (Relobj::Kept_comdat_section_table): New type.
10663         (Relobj::add_comdat_group): New function.
10664         (Relobj::set_kept_comdat_section): New function.
10665         (Relobj::get_kept_comdat_section): New function.
10666         (Relobj::comdat_groups_): New field.
10667         (Relobj::kept_comdat_sections_): New field.
10668         (Symbol_value::input_value): Update comment.
10669         (Sized_relobj::map_to_kept_section) New function.
10670         (Sized_relobj::include_linkonce_section): Add new parameter.
10671         * target-reloc.h (Comdat_behavior): New type.
10672         (get_comdat_behavior): New function.
10673         (relocate_section): Add code to map a discarded section to the
10674         corresponding kept section when applying a relocation.
10675
10676 2008-04-30  Craig Silverstein  <[email protected]>
10677
10678         * dwarf_reader.cc (next_generation_count): New static var.
10679         (Addr2line_cache_entry): New struct.
10680         (addr2line_cache): New static var.
10681         (Dwarf_line_info::one_addr2line): Added caching.
10682         (Dwarf_line_info::clear_addr2line_cache): New function.
10683         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10684         cache-size parameter.
10685         (Dwarf_line_info::one_addr2line_cache): New function.
10686         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10687         new cache-size argument to one_addr2line(), and clear cache.
10688
10689 2008-04-28  Cary Coutant  <[email protected]>
10690
10691         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10692         R_386_PC8 relocations.
10693
10694 2008-04-23  Ian Lance Taylor  <[email protected]>
10695
10696         * object.cc (Sized_relobj::include_section_group): Check for
10697         invalid section group.
10698
10699         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10700         header size.
10701
10702         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10703         than read for file header.
10704         * archive.cc (Archive::include_member): Likewise.
10705
10706 2008-04-23  Paolo Bonzini  <[email protected]>
10707
10708         * aclocal.m4: Regenerate.
10709         * configure: Regenerate.
10710
10711 2008-04-19  Ian Lance Taylor  <[email protected]>
10712
10713         * version.cc (version_string): Bump to 1.6.
10714
10715         * testsuite/Makefile.am (many_sections_r_test): New target.
10716         (many_sections_r_test_SOURCES): Remove.
10717         (many_sections_r_test_DEPENDENCIES): Remove.
10718         (many_sections_r_test_LDFLAGS): Remove.
10719         (many_sections_r_test_LDADD): Remove.
10720
10721         * object.cc (Sized_relobj::do_add_symbols): Always pass
10722         local_symbol_count_ to add_from_relobj.
10723
10724         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10725         every thousand variables.
10726         * testsuite/Makefile.in: Rebuild.
10727
10728         * object.cc (Xindex::initialize_symtab_xindex): New function.
10729         (Xindex::read_symtab_xindex): New function.
10730         (Xindex::sym_xindex_to_shndx): New function.
10731         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10732         available.
10733         (Sized_relobj::do_initialize_xindex): New function.
10734         (Sized_relobj::do_read_symbols): Adjust section links.
10735         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10736         parameter.  Change all callers.
10737         (Sized_relobj::include_section_group): Adjust section links and
10738         symbol section indexes.
10739         (Sized_relobj::do_layout): Adjust section links.
10740         (Sized_relobj::do_count_local_symbols): Adjust section links and
10741         symbol section indexes.
10742         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10743         ordinary and special symbols.
10744         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10745         dynsym_xindex parameters.  Change all callers.  Adjust section
10746         links.  Use SHN_XINDEX when needed.
10747         (Sized_relobj::get_symbol_location_info): Adjust section links.
10748         Don't get fooled by special symbols.
10749         * object.h (class Xindex): Define.
10750         (class Object): Add xindex_ parameter.  Declare virtual functoin
10751         do_initialize_xindex.
10752         (Object::adjust_sym_shndx): New function.
10753         (Object::set_xindex): New protected function.
10754         (class Symbol_value): Add is_ordinary_shndx_ field.
10755         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10756         (Symbol_value::value): Assert ordinary section.
10757         (Symbol_value::initialize_input_to_output_map): Likewise.
10758         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10759         Change all callers.
10760         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10761         all callers.
10762         (class Sized_relobj): Update declarations.
10763         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10764         parameter.  Change all callers.
10765         (Sized_relobj::adjust_shndx): New function.
10766         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10767         field.
10768         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10769         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10770         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10771         (Sized_dynobj::read_dynsym_section): Adjust section links.
10772         (Sized_dynobj::read_dynamic): Likewise.
10773         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10774         section links.
10775         (Sized_dynobj::do_initialize_xindex): New function.
10776         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10777         do_initialize_xindex.
10778         (Sized_dynobj::adjust_shndx): New function.
10779         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10780         dynsym_xindex_ fields.
10781         (Layout::finalize): Add a call to set_section_indexes before
10782         creating the symtab sections.
10783         (Layout::set_section_indexes): Don't do anything if the section
10784         already has a section index.
10785         (Layout::create_symtab_sections): Add shnum parameter.  Change
10786         caller.  Create .symtab_shndx section if needed.
10787         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10788         caller.
10789         (Layout::allocated_output_section_count): New function.
10790         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10791         needed.
10792         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10793         fields.  Update declarations.
10794         (Layout::symtab_xindex): New function.
10795         (Layout::dynsym_xindex): New function.
10796         (class Write_symbols_task): Add layout_ field.
10797         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10798         Change caller.
10799         * output.cc (Output_section_headers::Output_section_headers): Add
10800         shstrtab_section parameter.  Change all callers.
10801         (Output_section_headers::do_sized_write): Store overflow values
10802         for section count and section string table section index in
10803         section header zero.
10804         (Output_file_header::do_sized_write): Check for overflow of
10805         section count and section string table section index.
10806         (Output_symtab_xindex::do_write): New function.
10807         (Output_symtab_xindex::endian_do_write): New function.
10808         * output.h (class Output_section_headers): Add shstrtab_section_.
10809         Update declarations.
10810         (class Output_symtab_xindex): Define.
10811         (Output_section::has_out_shndx): New function.
10812         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10813         field.
10814         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10815         Change all callers.
10816         (Sized_symbol::init): Likewise.
10817         (Symbol::output_section): Check for ordinary symbol.
10818         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10819         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10820         callers.
10821         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10822         Change all callers.  Simplify handling of symbols from sections
10823         not included in the link.
10824         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10825         distinction.
10826         (Weak_alias_sorter::operator()): Assert that symbols are
10827         ordinary.
10828         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10829         distinction.
10830         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10831         parameters.  Change all callers.
10832         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10833         symbol distinction.  Use SHN_XINDEX when needed.
10834         (Symbol_table::write_section_symbol): Add symtab_xindex
10835         parameter.  Change all callers.
10836         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10837         SHN_XINDEX when needed.
10838         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10839         declarations.
10840         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10841         (Symbol::is_defined): Check is_ordinary.
10842         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10843         (Symbol::is_absolute, Symbol::is_common): Likewise.
10844         (class Sized_symbol): Update declarations.
10845         (class Symbol_table): Update declarations.
10846         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10847         parameters.  Change all callers.
10848         (Sized_symbol::override): Likewise.
10849         (Symbol_table::override): Likewise.
10850         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10851         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10852         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10853         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10854         to be in an ordinary section.
10855         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10856         object and is_ordinary parameters.  Change all callers.
10857         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10858         Change all callers.  Don't add undefined or non-ordinary symbols
10859         to reloc_map_.
10860         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10861         Change all callers.
10862         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10863         declarations.
10864         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10865         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10866         (Sized_relobj::relocate_sections): Likewise.
10867         * target-reloc.h (scan_relocs): Adjust section symbol index.
10868         (scan_relocatable_relocs): Likewise.
10869         * i386.cc (Scan::local): Check for ordinary symbols.
10870         * sparc.cc (Scan::local): Likewise.
10871         * x86_64.cc (Scan::local): Likewise.
10872         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10873         to symbol_section_and_value.
10874         * testsuite/many_sections_test.cc: New file.
10875         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10876         (check_PROGRAMS): Add many_sections_test.
10877         (many_sections_test_SOURCES): Define.
10878         (many_sections_test_DEPENDENCIES): Define.
10879         (many_sections_test_LDFLAGS): Define.
10880         (BUILT_SOURCES): Add many_sections_define.h.
10881         (many_sections_define.h): New target.
10882         (BUILT_SOURCES): Add many_sections_check.h.
10883         (many_sections_check.h): New target.
10884         (check_PROGRAMS): Add many_sections_r_test.
10885         (many_sections_r_test_SOURCES): Define.
10886         (many_sections_r_test_DEPENDENCIES): Define.
10887         (many_sections_r_test_LDFLAGS): Define.
10888         (many_sections_r_test_LDADD): Define.
10889         (many_sections_r_test.o): New target.
10890         * testsuite/Makefile.in: Rebuild.
10891
10892 2008-04-17  Cary Coutant  <[email protected]>
10893
10894         * errors.cc (Errors::info): New function.
10895         (gold_info): New function.
10896         * errors.h (Errors::info): New function.
10897         * gold.h (gold_info): New function.
10898         * object.cc (Input_objects::add_object): Print trace output.
10899         * options.cc (options::parse_set): New function.
10900         (General_options::parse_wrap): Deleted.
10901         (General_options::General_options): Deleted initializer.
10902         * options.h (options::String_set): New typedef.
10903         (options::parse_set): New function.
10904         (DEFINE_set): New macro.
10905         (General_options::wrap): Changed to use DEFINE_set. Changed
10906         callers of any_wrap_symbols and is_wrap_symbol.
10907         (General_options::trace, General_options::trace_symbol):
10908         New options.
10909         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10910         (General_options::wrap_symbols_): Deleted.
10911         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10912
10913 2008-04-17  David S. Miller  <[email protected]>
10914
10915         * options.cc (General_options::parse_V): New function.
10916         * options.h: Add entries for -V and -Qy.
10917
10918 2008-04-17  Ian Lance Taylor  <[email protected]>
10919
10920         * common.cc (Symbol_table::allocate_commons): Remove options
10921         parameter.  Change caller.
10922         (Symbol_table::do_allocate_commons): Remove options parameter.
10923         Change caller.  Just call do_allocate_commons_list twice.
10924         (Symbol_table::do_allocate_commons_list): New function, broken out
10925         of do_allocate_commons.
10926         * common.h (class Allocate_commons_task): Remove options_ field.
10927         Update constructor.
10928         * symtab.cc (Symbol_table::Symbol_table): Initialize
10929         tls_commons_.
10930         (Symbol_table::add_from_object): Put TLS common symbols on
10931         tls_commons_ list.
10932         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10933         which are IN_OUTPUT_DATA.
10934         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10935         allocate_commons and do_allocate_commons declarations.  Declare
10936         do_allocate_commons_list.
10937         * gold.cc (queue_middle_tasks): Update creation of
10938         Allocate_commons_task to not pass options.
10939         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10940         (TLS_TEST_C_FLAGS): New variable.
10941         (tls_test_c_pic.o): New target.
10942         (tls_test_shared.so): Link in tls_test_c_pic.o.
10943         (tls_test_c_pic_ie.o): New target.
10944         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10945         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10946         (tls_test_c.o): New target.
10947         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10948         (tls_pic_test_LDADD): Likewise.
10949         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10950         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10951         (tls_test_c_gnu2.o): New target.
10952         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10953         tls_test_c_gnu2.o.
10954         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10955         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10956         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10957         * testsuite/tls_test.cc: Include "config.h".
10958         (t_last): Call t11_last.
10959         * testsuite/tls_test.h (t11, t11_last): Declare.
10960         * testsuite/tls_test_c.c: New file.
10961         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10962         * configure.ac: Check for OpenMP support.
10963         * configure, config.in, Makefile.in: Rebuild.
10964         * testsuite/Makefile.in: Rebuild.
10965
10966 2008-04-16  Cary Coutant  <[email protected]>
10967
10968         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10969         (Target_i386::tls_base_symbol_defined_): New field.
10970         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10971         (Target_i386::Scan::global): Likewise.
10972         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10973         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10974         (Target_x86_64::tls_base_symbol_defined_): New field.
10975         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10976         (Target_x86_64::Scan::global): Likewise.
10977
10978 2008-04-16  Cary Coutant  <[email protected]>
10979
10980         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10981         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10982         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10983         building shared libraries.
10984         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10985         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10986         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10987         * testsuite/Makefile.in: Rebuild.
10988         * testsuite/weak_undef.h: New file.
10989         * testsuite/weak_undef_file1.cc: Add extra test cases.
10990         * testsuite/weak_undef_file2.cc: Likewise.
10991         * testsuite/weak_undef_test.cc: Likewise.
10992
10993 2008-04-16  David S. Miller  <[email protected]>
10994
10995         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10996         Add issued_non_pic_error_ field.  Declare check_non_pic.
10997         (Target_sparc::Scan::check_non_pic): New function.
10998         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10999         (Target_sparc::Scan::global): Likewise.
11000
11001         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11002         * configure: Rebuild.
11003
11004         * options.h (DEFINE_enable): New macro.
11005         (new_dtags): New enable option.
11006         (initfirst, interpose, loadfltr, nodefaultlib,
11007         nodelete, nodlopen, nodump): New -z options.
11008         * layout.cc (Layout:finish_dynamic_section): If new
11009         dtags enabled, emit DT_RUNPATH.  Also, emit a
11010         DT_FLAGS_1 containing any specified -z flags.
11011
11012 2008-04-16  Ian Lance Taylor  <[email protected]>
11013
11014         * copy-relocs.cc: New file.
11015         * copy-relocs.h: New file.
11016         * reloc.cc: Remove Copy_relocs code.
11017         * reloc.h: Likewise.
11018         * reloc-types.h (struct Reloc_types) [both versions]: Add
11019         get_reloc_addend_noerror.
11020         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11021         variants of add_global which take an addend which must be zero.
11022         * i386.cc: Include "copy-relocs.h".
11023         (class Target_i386): Change type of copy_relocs_ to variable,
11024         update initializer.
11025         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11026         Change all callers.
11027         (Target_i386::do_finalize_sections): Change handling of
11028         copy_relocs_.
11029         * sparc.cc: Include "copy-relocs.h".
11030         (class Target_sparc): Change type of copy_relocs_ to variable,
11031         update initializer.
11032         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11033         Change all callers.
11034         (Target_sparc::do_finalize_sections): Change handling of
11035         copy_relocs_.
11036         * x86_64.cc: Include "copy-relocs.h".
11037         (class Target_x86_64): Change type of copy_relocs_ to variable,
11038         update initializer.
11039         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11040         class.  Change all callers.
11041         (Target_x86_64::do_finalize_sections): Change handling of
11042         copy_relocs_.
11043         * Makefile.am (CCFILES): Add copy-relocs.cc.
11044         (HFILES): Add copy-relocs.h.
11045
11046         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11047
11048         * testsuite/script_test_4.sh: Permit leading zeroes.
11049
11050 2008-04-15  Ian Lance Taylor  <[email protected]>
11051
11052         * script-sections.cc (Script_sections::create_segments): Use
11053         header_size_adjustment even when there is enough room for the
11054         headers.
11055         * testsuite/script_test_4.sh: New file.
11056         * testsuite/script_test_4.t: New file.
11057         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11058         (check_DATA): Add script_test_4.stdout.
11059         (MOSTLYCLEANFILES): Likewise.
11060         (script_test_4): New target.
11061         (script_test_4.stdout): New target.
11062         * testsuite/Makefile.in: Rebuild.
11063
11064         * sparc.cc: Add definitions for Output_data_plt_sparc class
11065         constants.
11066
11067 2008-04-14  David S. Miller  <[email protected]>
11068
11069         * sparc.cc: New file.
11070         * Makefile.am (TARGETSOURCES): Add sparc.cc
11071         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11072         * configure.tgt: Document targ_extra_size and
11073         targ_extra_big_endian.  Add entries for sparc-* and
11074         sparc64-*.
11075         * configure.ac: Handle targ_extra_size and
11076         targ_extra_big_endian.
11077         * Makefile.in: Rebuild.
11078         * configure: Likewise.
11079         * po/POTFILES.in: Likewise.
11080         * po/gold.pot: Likewise.
11081
11082 2008-04-14  Ian Lance Taylor  <[email protected]>
11083
11084         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11085         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11086         in the name/type/flags to section mapping.  Don't call
11087         allocate_output_section.
11088         (Layout::choose_output_section): Change parameter from adjust_name
11089         to is_input_section.  Don't permit input sections after sections
11090         are attached to segments.  Don't call allocate_output_section.
11091         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11092         not write_enable_output_section.
11093         (Layout::make_output_section): Don't push to
11094         unattached_section_list_ nor call attach_to_segment.  Call
11095         attach_section_to_segment if sections are attached.
11096         (Layout::attach_sections_to_segments): New function.
11097         (Layout::attach_section_to_segment): New function.
11098         (Layout::attach_allocated_section_to_segment): Rename from
11099         attach_to_segment.  Remove flags parameter.
11100         (Layout::allocate_output_section): Remove function.
11101         (Layout::write_enable_output_section): Remove function.
11102         * layout.h (class Layout): Update for above changes.  Add new
11103         field sections_are_attached_.
11104         * output.h (Output_section::update_flags_for_input_section): New
11105         function.
11106         * output.cc (Output_section::add_input_section): Call
11107         update_flags_for_input_section.
11108         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11109
11110 2008-04-11  Cary Coutant  <[email protected]>
11111
11112         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11113         thought unnecessary.
11114         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11115
11116 2008-04-11  Ian Lance Taylor  <[email protected]>
11117
11118         * output.h (class Output_section_data): Remove inline definition
11119         of set_addralign.
11120         * output.cc (Output_section_data::set_addralign): New function.
11121
11122 2008-04-11  Cary Coutant  <[email protected]>
11123
11124         Add support for TLS descriptors for i386 and x86_64.
11125         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11126         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11127         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11128         GOT_TYPE_TLS_DESC.
11129         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11130         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11131         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11132         relocations.
11133         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11134         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11135         Fix problem with initial-exec relocations.
11136         (Target_i386::Relocate::relocate_tls): Likewise.
11137         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11138         relaxation.
11139         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11140         support for section-plus-offset dynamic table entries.
11141         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11142         (Output_data_dynamic::Dynamic_entry): Add support for
11143         section-plus-offset dynamic table entries.
11144         (Output_data_dynamic::Classification): Likewise.
11145         (Output_data_dynamic::classification_): Renamed offset_.
11146         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11147         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11148         (Target_x86_64::make_plt_section): New function.
11149         (Target_x86_64::reserve_tlsdesc_entries): New function.
11150         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11151         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11152         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11153         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11154         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11155         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11156         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11157         add extra PLT entry for TLS descriptors.
11158         (Output_data_plt_x86_64::got_): New field.
11159         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11160         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11161         fields.
11162         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11163         descriptors.
11164         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11165         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11166         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11167         R_386_TLS_DESC_CALL relocations.
11168         (Target_x86_64::Scan::global): Likewise.
11169         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11170         for TLS descriptors.
11171         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11172         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11173         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11174         GD-to-IE relaxation.
11175         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11176         and TLS_DESCRIPTORS.
11177         * Makefile.in: Rebuild.
11178         * configure: Rebuild.
11179         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11180         (tls_test_shared2.so): New target.
11181         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11182         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11183         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11184         (tls_shared_gd_to_ie_test_LDADD): New variable.
11185         (tls_shared_gnu2_gd_to_ie_test): New target.
11186         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11187         New targets.
11188         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11189         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11190         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11191         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11192         (tls_shared_gnu2_test): New target.
11193         (tls_test_gnu2_shared.so): New target.
11194         (tls_shared_gnu2_test_SOURCES): New variable.
11195         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11196         (tls_shared_gnu2_test_LDFLAGS): New variable.
11197         (tls_shared_gnu2_test_LDADD): New variable.
11198         * testsuite/Makefile.in: Rebuild.
11199         * testsuite/Makefile.
11200
11201 2008-04-11  Ian Lance Taylor  <[email protected]>
11202
11203         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11204         justsyms.t.
11205         * testsuite/Makefile.in: Rebuild.
11206
11207         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11208         long.
11209         * testsuite/script_test_2.cc (main): Adjust test.
11210
11211 2008-04-11  David S. Miller  <[email protected]>
11212             Ian Lance Taylor  <[email protected]>
11213
11214         * options.h (General_options): Add entries for '-Y' and
11215         '-relax'.
11216         * options.cc (General_options:finalize): If -Y was used, add those
11217         entries to the library path instead of the default "/lib" and
11218         "/usr/lib".
11219
11220 2008-04-11  David S. Miller  <[email protected]>
11221
11222         * testsuite/justsyms.t: Start at 0x100.
11223         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11224         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11225         long.
11226         * testsuite/script_test_2.cc: Adjust string and section length
11227         checks.
11228
11229 2008-04-09  Ian Lance Taylor  <[email protected]>
11230
11231         PR gold/5996
11232         * script-sections.cc (Sections_element::allocate_to_segment): Add
11233         orphan parameter.
11234         (Output_section_definition::allocate_to_segment): Likewise.
11235         (Orphan_output_section::allocate_to_segment): Likewise.
11236         (Script_sections::attach_sections_using_phdrs_clause): Don't
11237         propagate non-PT_LOAD segments to orphan sections.
11238         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11239         readelf rather than objdump.
11240         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11241         .interp section and PT_INTERP segment are the same size.
11242         * testsuite/Makefile.in: Rebuild.
11243
11244         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11245         aliases for symbols defined in the same object.
11246         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11247         (weak_alias_test_SOURCES): New variable.
11248         (weak_alias_test_DEPENDENCIES): New variable.
11249         (weak_alias_test_LDFLAGS): New variable.
11250         (weak_alias_test_LDADD): New variable.
11251         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11252         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11253         (weak_alias_test_3.o): New target.
11254         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11255         * testsuite/weak_alias_test_main.cc: New file.
11256         * testsuite/weak_alias_test_1.cc: New file.
11257         * testsuite/weak_alias_test_2.cc: New file.
11258         * testsuite/weak_alias_test_3.cc: New file.
11259
11260 2008-04-08  Ian Lance Taylor  <[email protected]>
11261
11262         * options.h (class General_options): Add --noinhibit-exec option.
11263         * main.cc (main): Check --noinhibit-exec.
11264
11265         * options.h (class General_options): Define --wrap as a special
11266         option.  Add wrap_symbols_ field.
11267         (General_options::any_wrap_symbols): New function.
11268         (General_options::is_wrap_symbol): New function.
11269         * options.cc (General_options::parse_wrap): New function.
11270         (General_options::General_options): Initialize wrap_symbols_.
11271         * symtab.cc (Symbol_table::wrap_symbol): New function.
11272         (Symbol_table::add_from_object): Handle --wrap.
11273         * symtab.h (class Symbol_table): Declare wrap_symbol.
11274         * target.h (Target::wrap_char): New function.
11275         (Target::Target_info): Add wrap_char field.
11276         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11277         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11278         * testsuite/testfile.cc (Target_test::test_target_info):
11279         Likewise.
11280
11281         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11282         there is one.
11283
11284         * layout.h (class Layout): Add added_eh_frame_data_ field.
11285         * layout.cc (Layout::Layout): Initialize new field.
11286         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11287         output section until we find a section we merged successfully.
11288         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11289         that the size be non-zero.
11290
11291         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11292         qualifier.
11293
11294 2008-04-08  Craig Silverstein  <[email protected]>
11295
11296         * configure.ac: Export new conditional variable HAVE_ZLIB.
11297         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11298         on HAVE_ZLIB.
11299         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11300         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11301
11302 2008-04-07  Ian Lance Taylor  <[email protected]>
11303
11304         * version.cc (version_string): Set to "1.5".
11305
11306         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11307         Add issued_non_pic_error_ field.  Declare check_non_pic.
11308         (Target_x86_64::Scan::check_non_pic): New function.
11309         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11310         (Target_x86_64::Scan::global): Likewise.
11311
11312         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11313         addend parameter.  Change caller.  Handle merge sections.
11314         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11315         Address to Addend.  Don't add in the result of
11316         local_section_offset, pass down the addend and use the returned
11317         value.
11318         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11319         Update declarations of local_section_offset and symbol_value.
11320         * testsuite/two_file_test_1.cc (t18): New function.
11321         * testsuite/two_file_test_2.cc (f18): New function.
11322         * testsuite/two_file_test_main.cc (main): Call t18.
11323         * testsuite/two_file_test.h (t18, f18): Declare.
11324
11325         * configure.ac: Don't test for objdump, c++filt, or readelf.
11326         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11327         conditionals.
11328         (TEST_READELF): New variable.
11329         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11330         (check_PROGRAMS): Add two_file_strip_test.
11331         (two_file_strip_test): New target.
11332         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11333         (two_file_same_shared_strip_test_SOURCES): New variable.
11334         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11335         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11336         (two_file_same_shared_strip_test_LDADD): New variable.
11337         (two_file_shared_strip.so): New target.
11338         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11339         (ver_test_5.syms, ver_test_7.syms): Likewise.
11340         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11341         (strip_test_3.stdout): Use TEST_OBJDUMP.
11342         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11343
11344 2008-04-04  Cary Coutant  <[email protected]>
11345
11346         * symtab.h (Symbol::is_weak_undefined): New function.
11347         (Symbol::is_strong_undefined): New function.
11348         (Symbol::is_absolute): New function.
11349         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11350         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11351         absolute symbols.
11352         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11353         (weak_undef_test): New target.
11354         * testsuite/Makefile.in: Rebuild.
11355         * testsuite/weak_undef_file1.cc: New file.
11356         * testsuite/weak_undef_file2.cc: New file.
11357         * testsuite/weak_undef_test.cc: New file.
11358
11359 2008-04-03  Craig Silverstein  <[email protected]>
11360
11361         * compressed_output.h (class Output_compressed_section): Use
11362         unsigned buffer.
11363         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11364         add zlib header.
11365         (zlib_compressed_suffix): Removed.
11366         (Output_compressed_section::set_final_data_size): Use unsigned
11367         buffers.
11368         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11369         Fix linker invocation.
11370         (flagstest_o_specialfile_and_compress_debug_sections):
11371         Likewise.
11372         * testsuite/Makefile.in: Regenerated.
11373
11374 2008-04-02  David S. Miller  <[email protected]>
11375
11376         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11377         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11378
11379 2008-04-02  Craig Silverstein  <[email protected]>
11380
11381         * TODO: New file.
11382
11383 2008-04-02  Ian Lance Taylor  <[email protected]>
11384
11385         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11386         parameters.  Update for new key type to views_.  Change all
11387         callers.
11388         (File_read::read): Adjust for byteshift in returned view.
11389         (File_read::add_view): New function, broken out of
11390         find_and_make_view.
11391         (File_read::make_view): New function, broken out of
11392         find_and_make_view.
11393         (File_read::find_or_make_view): Add offset and aligned
11394         parameters.  Rewrite accordingly.  Change all callers.
11395         (File_read::get_view): Add offset and aligned parameters.  Adjust
11396         for byteshift in return value.
11397         (File_read::get_lasting_view): Likewise.
11398         * fileread.h (class File_read): Update declarations.
11399         (class File_read::View): Add byteshift_ field.  Add byteshift to
11400         constructor.  Add byteshift method.
11401         * archive.h (Archive::clear_uncached_views): New function.
11402         (Archive::get_view): Add aligned parameter.  Change all callers.
11403         * object.h (Object::get_view): Add aligned parameter.  Change all
11404         callers.
11405         (Object::get_lasting_view): Likewise.
11406
11407         * fileread.cc (File_read::release): Don't call clear_views if
11408         there are multiple objects.
11409         * fileread.h (File_read::clear_uncached_views): New function.
11410         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11411         on the archive.
11412
11413 2008-03-31  Cary Coutant  <[email protected]>
11414
11415         Add thin archive support.
11416         * archive.cc (Archive::armagt): New const.
11417         (Archive::setup): Remove task parameter and calls to unlock.
11418         (Archive::unlock_nested_archives): New function.
11419         (Archive::read_header): Add nested_off parameter. Change
11420         all callers.
11421         (Archive::interpret_header): Likewise.
11422         (Archive::include_all_members): Change to handle thin
11423         archives.
11424         (Archive::include_member): Likewise.
11425         * archive.h (Archive::Archive): Add new parameters and
11426         initializers.
11427         (Archive::armagt): New const.
11428         (Archive::setup): Remove task parameter.
11429         (Archive::unlock_nested_archives): New function.
11430         (Archive::read_header): Add nested_off parameter.
11431         (Archive::interpret_header): Likewise.
11432         (Archive::Nested_archive_table): New typedef.
11433         (Archive::is_thin_archive_): New field.
11434         (Archive::nested_archives_): New field.
11435         (Archive::options_): New field.
11436         (Archive::dirpath_): New field.
11437         (Archive::task_): New field.
11438         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11439         for thin archives.  Pass additional parameters to
11440         Archive::Archive.  Unlock the archive file after calling
11441         Archive::setup.
11442
11443 2008-03-29  Ian Lance Taylor  <[email protected]>
11444
11445         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11446         version symbol to be local.
11447         * testsuite/ver_test_4.sh: New file.
11448         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11449         (check_DATA): Add ver_test_4.syms.
11450         (ver_test_4.syms): New target.
11451         * testsuite/Makefile.in: Rebuild.
11452
11453         * output.cc
11454         (Output_section::Input_section_sort_entry::has_priority): New
11455         function.
11456         (Output_section::Input_section_sort_entry::match_file_name): New
11457         function.
11458         (Output_section::Input_section_sort_entry::match_section_name):
11459         Remove.
11460         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11461         Remove.
11462         (Output_section::Input_section_sort_entry::match_section_file):
11463         Remove.
11464         (Output_section::Input_section_sort_compare::operator()): Rewrite
11465         using new Input_section_sort_entry functions.  Sort crtbegin and
11466         crtend first.  Sort sections with no priority before sections with
11467         a priority.
11468         * testsuite/initpri1.c (d3): Check j != 4.
11469         (cd5): New constructor/destructor function.
11470         (main): Check j != 2.
11471
11472         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11473         new symbol when resolving, don't call set_is_default.
11474         * testsuite/ver_test_7.cc: New file.
11475         * testsuite/ver_test_7.sh: New file.
11476         * testsuite/Makefile.am (ver_test_7.so): New target.
11477         (ver_test_7.o): New target.
11478         (check_SCRIPTS): Add ver_test_7.sh.
11479         (check_DATA): Add ver_test_7.syms.
11480         (ver_test_7.syms): New target.
11481
11482 2008-03-28  Ian Lance Taylor  <[email protected]>
11483
11484         * layout.cc (Layout::layout): If we see an input section with a
11485         name that needs sorting, set the must_sort flag for the output
11486         section.
11487         (Layout::make_output_section): If the name of the output section
11488         indicates that it might require sorting, set the may_sort flag.
11489         * output.h (Output_section::may_sort_attached_input_sections): New
11490         function.
11491         (Output_section::set_may_sort_attached_input_sections): New
11492         function.
11493         (Output_section::must_sort_attached_input_sections): New
11494         function.
11495         (Output_section::set_must_sort_attached_input_sections): New
11496         function.
11497         (class Output_section): Declare Input_section_sort_entry.  Define
11498         Input_section_sort_compare.  Declare
11499         sort_attached_input_sections.  Add new fields:
11500         may_sort_attached_input_sections_,
11501         must_sort_attached_input_sections_,
11502         attached_input_sections_are_sorted_.
11503         * output.cc (Output_section::Output_section): Initialize new
11504         fields.
11505         (Output_section::add_input_section): Add an entry to
11506         input_sections_ if may_sort or must_sort are true.
11507         (Output_section::set_final_data_size): Call
11508         sort_attached_input_sections if necessary.
11509         (Output_section::Input_section_sort_entry): Define new class.
11510         (Output_section::Input_section_sort_compare::operator()): New
11511         function.
11512         (Output_section::sort_attached_input_sections): New function.
11513         * configure.ac: Check whether the compiler supports constructor
11514         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11515         * testsuite/initpri1.c: New file.
11516         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11517         CONSTRUCTOR_PRIORITY.
11518         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11519         (initpri1_LDFLAGS): New variable.
11520         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11521
11522 2008-03-27  Ian Lance Taylor  <[email protected]>
11523
11524         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11525         * testsuite/common_test_1.c: New file.
11526         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11527         (common_test_1_SOURCES): New variable.
11528         (common_test_1_DEPENDENCIES): New variable.
11529         (common_test_1_LDFLAGS): New variable.
11530
11531         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11532         and commons_ correctly when NAME/VERSION does not override
11533         NAME/NULL.
11534         * testsuite/ver_test_6.c: New file.
11535         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11536         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11537         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11538
11539 2008-03-26  Ian Lance Taylor  <[email protected]>
11540
11541         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11542         of an undefined symbol from a version script.
11543         * testsuite/Makefile.am (ver_test_5.so): New target.
11544         (ver_test_5.o): New target.
11545         (check_SCRIPTS): Add ver_test_5.sh.
11546         (check_DATA): Add ver_test_5.syms.
11547         (ver_test_5.syms): New target.
11548         * testsuite/ver_test_5.cc: New file.
11549         * testsuite/ver_test_5.script: New file.
11550         * testsuite/ver_test_5.sh: New file.
11551         * Makefile.in, testsuite/Makefile.in: Rebuild.
11552
11553         PR gold/5986
11554         Fix problems building gold with gcc 4.3.0.
11555         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11556         (gold_error_at_location, gold_warning_at_location): Use it.
11557         * configure.ac: Check whether we can compile and use a template
11558         function with a printf attribute.
11559         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11560         when jumping over bytes.
11561         * object.cc: Instantiate Object::read_section_data.
11562         * debug.h: Include <cstring>
11563         * dwarf_reader.cc: Include <algorithm>
11564         * main.cc: Include <cstring>.
11565         * options.cc: Include <cstring>.
11566         * output.cc: Include <cstring>.
11567         * script.cc: Include <cstring>.
11568         * script.h: Include <string>.
11569         * symtab.cc: Include <cstring> and <algorithm>.
11570         * target-select.cc: Include <cstring>.
11571         * version.cc: Include <string>.
11572         * testsuite/testmain.cc: Include <cstdlib>.
11573         * configure, config.in: Rebuild.
11574
11575 2008-03-25  Ian Lance Taylor  <[email protected]>
11576
11577         * options.cc: Include "../bfd/bfdver.h".
11578         (options::help): Print bug reporting address.
11579
11580         * version.cc (print_version): Adjust output for current value of
11581         BFD_VERSION_STRING.
11582
11583         * NEWS: New file.
11584
11585         * options.cc (options::help): Print list of supported targets.
11586         * target-select.h: Include <vector>.
11587         (class Target_selector): Make machine_, size_, and is_big_endian_
11588         fields const.  Add bfd_name_ and instantiated_target_ fields.
11589         (Target_selector::Target_selector): Add bfd_name parameter.
11590         (Target_selector::recognize): Make non-virtual, call
11591         do_recognize.
11592         (Target_selector::recognize_by_name): Make non-virtual, call
11593         do_recognize_by_name.
11594         (Target_selector::supported_names): New function.
11595         (Target_selector::bfd_name): New function.
11596         (Target_selector::do_instantiate_target): New pure virtual
11597         function.
11598         (Target_selector::do_recognize): New virtual function.
11599         (Target_selector::do_recognize_by_name): New virtual function.
11600         (Target_selector::instantiate_target): New private function.
11601         (supported_target_names): Declare.
11602         * target-select.cc (Target_selector::Target_selector): Update for
11603         new parameter and fields.
11604         (select_target_by_name): Check that the name matches before
11605         calling recognize_by_name.
11606         (supported_target_names): New function.
11607         * i386.cc (class Target_selector_i386): Update Target_selector
11608         constructor call.  Remove recognize and recognize_by_name.  Add
11609         do_instantiate_target.
11610         * x86_64.cc (class Target_selector_x86_64): Likewise.
11611         * testsuite/testfile.cc (class Target_selector_test): Update for
11612         changes to Target_selector.
11613
11614         * README: Rewrite, with some notes on unsupported features.
11615
11616 2008-03-24  Cary Coutant  <[email protected]>
11617
11618         * i386.cc (Target_i386::Got_type): New enum declaration.
11619         (Target_i386::Scan::local): Updated callers of Output_data_got
11620         member functions.
11621         (Target_i386::Scan::global): Likewise.
11622         (Target_i386::Relocate::relocate): Likewise.
11623         (Target_i386::Relocate::relocate_tls): Likewise.
11624         * object.h (Got_offset_list): New class.
11625         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11626         (Sized_relobj::local_got_offset): Likewise.
11627         (Sized_relobj::set_local_got_offset): Likewise.
11628         (Sized_relobj::local_has_tls_got_offset): Removed.
11629         (Sized_relobj::local_tls_got_offset): Removed.
11630         (Sized_relobj::set_local_tls_got_offset): Removed.
11631         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11632         * output.cc (Output_data_got::add_global): Added got_type parameter.
11633         (Output_data_got::add_global_with_rel): Likewise.
11634         (Output_data_got::add_global_with_rela): Likewise.
11635         (Output_data_got::add_global_pair_with_rel): New function.
11636         (Output_data_got::add_global_pair_with_rela): New function.
11637         (Output_data_got::add_local): Added got_type parameter.
11638         (Output_data_got::add_local_with_rel): Likewise.
11639         (Output_data_got::add_local_with_rela): Likewise.
11640         (Output_data_got::add_local_pair_with_rel): New function.
11641         (Output_data_got::add_local_pair_with_rela): New function.
11642         (Output_data_got::add_global_tls): Removed.
11643         (Output_data_got::add_global_tls_with_rel): Removed.
11644         (Output_data_got::add_global_tls_with_rela): Removed.
11645         (Output_data_got::add_local_tls): Removed.
11646         (Output_data_got::add_local_tls_with_rel): Removed.
11647         (Output_data_got::add_local_tls_with_rela): Removed.
11648         * output.h (Output_data_got::add_global): Added got_type parameter.
11649         (Output_data_got::add_global_with_rel): Likewise.
11650         (Output_data_got::add_global_with_rela): Likewise.
11651         (Output_data_got::add_global_pair_with_rel): New function.
11652         (Output_data_got::add_global_pair_with_rela): New function.
11653         (Output_data_got::add_local): Added got_type parameter.
11654         (Output_data_got::add_local_with_rel): Likewise.
11655         (Output_data_got::add_local_with_rela): Likewise.
11656         (Output_data_got::add_local_pair_with_rel): New function.
11657         (Output_data_got::add_local_pair_with_rela): New function.
11658         (Output_data_got::add_global_tls): Removed.
11659         (Output_data_got::add_global_tls_with_rel): Removed.
11660         (Output_data_got::add_global_tls_with_rela): Removed.
11661         (Output_data_got::add_local_tls): Removed.
11662         (Output_data_got::add_local_tls_with_rel): Removed.
11663         (Output_data_got::add_local_tls_with_rela): Removed.
11664         * resolve.cc (Symbol::override_base_with_special): Removed
11665         reference to has_got_offset_ field.
11666         * symtab.cc (Symbol::init_fields): Replaced initialization
11667         of got_offset_ with got_offsets_.  Removed initialization
11668         of has_got_offset_
11669         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11670         (Symbol::got_offset): Likewise.
11671         (Symbol::set_got_offset): Likewise.
11672         (Symbol::has_tls_got_offset): Removed.
11673         (Symbol::tls_got_offset): Removed.
11674         (Symbol::set_tls_got_offset): Removed.
11675         (Symbol::got_offset_): Removed.
11676         (Symbol::tls_mod_got_offset_): Removed.
11677         (Symbol::tls_pair_got_offset_): Removed.
11678         (Symbol::got_offsets_): New field.
11679         (Symbol::has_got_offset): Removed.
11680         (Symbol::has_tls_mod_got_offset): Removed.
11681         (Symbol::has_tls_pair_got_offset): Removed.
11682         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11683         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11684         member functions.
11685         (Target_x86_64::Scan::global): Likewise.
11686         (Target_x86_64::Relocate::relocate): Likewise.
11687         (Target_x86_64::Relocate::relocate_tls): Likewise.
11688
11689 2008-03-25  Ben Elliston  <[email protected]>
11690
11691         * yyscript.y: Fix spelling error in comment.
11692
11693 2008-03-24  Ian Lance Taylor  <[email protected]>
11694
11695         * options.h (class General_options): Define build_id option.
11696         * layout.h (class Layout): Declare write_build_id, create_note,
11697         create_build_id.  Add build_id_note_ member.
11698         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11699         "libiberty.h", "md5.h", "sha1.h".
11700         (Layout::Layout): Initialize eh_frame_data_,
11701         eh_frame_hdr_section_, and build_id_note_.
11702         (Layout::finalize): Call create_build_id.
11703         (Layout::create_note): New function, broken out of
11704         Layout::create_gold_note.
11705         (Layout::create_gold_note): Call create_note.
11706         (Layout::create_build_id): New function.
11707         (Layout::write_build_id): New function.
11708         (Close_task_runner::run): Call write_build_id.
11709
11710         * x86_64.cc: Correct license to GPLv3.
11711
11712 2008-03-23  Ian Lance Taylor  <[email protected]>
11713
11714         * options.cc: Include "demangle.h".
11715         (parse_optional_string): New function.
11716         (parse_long_option): Handle takes_optional_argument.
11717         (parse_short_option): Update dash_z initializer.  Handle
11718         takes_optional_argument.
11719         (General_options::General_options): Initialize do_demangle_.
11720         (General_options::finalize): Set do_demangle_.  Handle demangling
11721         style.
11722         * options.h (parse_optional_string): Declare.
11723         (struct One_option): Add optional_arg field.  Update constructor.
11724         Update call constructor calls.  Add takes_optional_argument
11725         function.
11726         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11727         (DEFINE_optional_string): Define.
11728         (General_options::demangle): Change from DEFINE_bool to
11729         DEFINE_optional_string.
11730         (General_options::no_demangle): New function.
11731         (General_options::do_demangle): New function.
11732         (General_options::set_do_demangle): New function.
11733         (General_options::execstack_status_): Move definition to end of
11734         class definition.
11735         (General_options::static_): Likewise.
11736         (General_options::do_demangle_): New field.
11737         * object.cc (big_endian>::get_symbol_location_info): Call
11738         Options::do_demangle, not Options::demangle.
11739         * symtab.cc (demangle): Likewise.
11740
11741 2008-03-22  Ian Lance Taylor  <[email protected]>
11742
11743         * gold.h: Include <cstddef> and <sys/types.h>
11744         * options.h: Include <cstring>.
11745
11746 2008-03-21  Ian Lance Taylor  <[email protected]>
11747
11748         * Added source code to GNU binutils.