gold/ChangeLog

   1 2010-01-06  Ian Lance Taylor  <[email protected]>
   2
   3         PR 10980
   4         * options.cc (General_options::parse_section_start): New function.
   5         (General_options::section_start): New function.
   6         (General_options::General_options): Initialize all members.
   7         * options.h: Include <map>
   8         (class General_options): Add --section-start.  Add section_starts_
   9         member.
  10         * layout.cc (Layout::attach_allocated_section_to_segment): If
  11         --section-start was used, set the address of the segment.  Remove
  12         local sort_sections.
  13         (Layout::relaxation_loop_body): If the address of the load segment
  14         has been set by --section-start, don't use it.
  15         * output.h (Output_segment::update_flags_for_output_section): New
  16         function.
  17         * output.cc (Output_segment::add_output_section): Call
  18         update_flags_for_output_section.
  19
  20 2010-01-05  Ian Lance Taylor  <[email protected]>
  21
  22         PR 10980
  23         * options.h (class General_options): Add --undefined-version.
  24         * script.cc (struct Version_expression): Add was_matched_by_symbol
  25         field.
  26         (Version_script_info::matched_symbol): New function.
  27         (Version_script_info::get_symbol_version_helper): Call
  28         matched_symbol.
  29         (Version_script_info::check_unmatched_names): New function.
  30         * script.h (class Version_script_info): Update declarations.
  31         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
  32
  33         * options.h (class General_options): Use DEFINE_bool_alias for
  34         allow_multiple_definition.
  35         * resolve.cc (Symbol_table::should_override): Don't test
  36         allow_multiple_definition.
  37
  38         PR 10980
  39         * options.h (class General_options): Add --cref.
  40         * main.cc (main): Print cref table if --cref.  Don't close mapfile
  41         until after printing cref table.
  42         * cref.cc: Include "symtab.h".
  43         (class Cref_inputs): Define Cref_table_compare and Cref_table.
  44         (Cref_table_compare::operator()): New function.
  45         (Cref_inputs::gather_cref): New function.
  46         (filecol): New static const.
  47         (Cref_inputs::print_cref): New function.
  48         (Cref::print_cref): New function.
  49         * cref.h: Include <cstdio>.
  50         (class Cref): Update declarations.
  51         * mapfile.h (Mapfile::file): New function.
  52         * object.h (class Object): Define Symbols.  Declare virtual
  53         do_get_global_symbols.
  54         (Object::get_global_symbols): New function.
  55         * object.cc (Input_objects::add_object): Pass object to cref_ if
  56         --cref.
  57         (Input_objects::archive_start): Likewise.
  58         (Input_objects::archive_stop): Likewise.
  59         (Input_objects::print_cref): New function.
  60         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
  61         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
  62         --cref.
  63         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
  64         function.
  65         * plugin.h (class Sized_pluginobj): Update declarations.
  66
  67 2010-01-05  Ian Lance Taylor  <[email protected]>
  68
  69         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
  70         to is_default_version.  Rename insdef to insdefault.
  71         (Symbol_table::add_from_relobj): Rename def to is_default_version
  72         and local to is_forced_local.
  73         (Symbol_table::add_from_pluginobj): Likewise.
  74         (Symbol_table::add_from_dynobj): Likewise.
  75         (Symbol_table::define_special_symbol): Rename insdef to
  76         insdefault.
  77
  78 2010-01-04  Ian Lance Taylor  <[email protected]>
  79
  80         PR 10980
  81         * options.h (class General_options): Add
  82         --allow-multiple-definition and -z muldefs.
  83         * resolve.cc (Symbol_table::should_override): Don't warn about a
  84         multiple symbol definition if --allow-multiple-definition or -z
  85         muldefs.
  86
  87         PR 10980
  88         * options.h (class General_options): Add --add-needed and
  89         --copy-dt-needed-entries.  Tweak --as-needed help entry.
  90         * object.cc (Input_objects::check_dynamic_dependencies): Give an
  91         error if --copy-dt-needed-entries aka --add-needed is used and
  92         would cause a change in behaviour.
  93
  94         PR 10980
  95         * options.h (class General_options): Add -G as a short version of
  96         --shared.  Add no-op options -assert, -g, and -i.
  97
  98 2010-01-04  Sriraman Tallam  <[email protected]>
  99
 100         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
 101         check for .text or .gnu.linkonce.t sections.
 102         * icf.cc (Icf::find_identical_sections): Ditto.
 103         Change the detection for mangled function name within the section
 104         name.
 105         * icf.h (is_section_foldable_candidate): New function.
 106
 107 2009-12-30  Ian Lance Taylor  <[email protected]>
 108
 109         PR 10980
 110         * options.h (class General_options): Permit two dashes with
 111         --retain-symbols-file.
 112
 113 2009-12-30  Ian Lance Taylor  <[email protected]>
 114
 115         PR 10979
 116         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
 117         don't put the file header and segment headers in the text
 118         segment.
 119
 120         PR 10979
 121         * common.cc (Sort_commons::operator()): Stabilize sort when both
 122         entries are NULL.
 123         (Symbol_table::do_allocate_commons_list): When allocating common
 124         symbols, skip a symbol which is no longer common.
 125         * symtab.h (Symbol::is_common): Test whether the symbol comes from
 126         an object before checking its type.
 127         * testsuite/common_test_2.c: New file.
 128         * testsuite/common_test_3.c: New file.
 129         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
 130         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
 131         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
 132         (common_test_2_pic.o, common_test_2.so): New targets.
 133         (common_test_3_pic.o, common_test_3.so): New targets.
 134         * testsuite/Makefile.in: Rebuild.
 135
 136         PR 10979
 137         * script.cc (read_input_script): If we see a new SECTIONS clause,
 138         and we have added an input section, give an error.
 139         * layout.h (class Layout): Add have_added_input_section function.
 140         Add have_added_input_section_ field.
 141         * layout.cc (Layout::Layout): Initialize
 142         have_added_input_section_.
 143         (Layout::layout): Set have_added_input_section_.
 144         (Layout::layout_eh_frame): Likewise.
 145
 146 2009-12-30  Ian Lance Taylor  <[email protected]>
 147
 148         PR 10931
 149         * options.h (class General_options): Add --sort-common option.
 150         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
 151         * common.cc (Sort_common): Add sort_order parameter to
 152         constructor.  Add sort_order_ field.
 153         (Sort_commons::operator): Check sort_order_.
 154         (Symbol_table::allocate_commons): Determine the sort order.
 155         (Symbol_table::do_allocate_commons): Add sort_order parameter.
 156         Change all callers.
 157         (Symbol_table::do_allocate_commons_list): Likewise.
 158
 159 2009-12-30  Ian Lance Taylor  <[email protected]>
 160
 161         PR 10916
 162         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
 163         symbols from this object, don't change the visibility of an
 164         undefined symbol.
 165         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
 166
 167 2009-12-30  Ian Lance Taylor  <[email protected]>
 168
 169         PR 10861
 170         * script.h (class Version_script_info): Define Language enum.
 171         Update declarations.  Define Glob, Exact, and Lookup types.  Add
 172         new fields globals_, locals_, and is_finalized_.
 173         * script.cc: Various formatting fixes.
 174         (class Parser_closure): Change language_stack_ from a vector of
 175         std::string to one of Version_script_info::Language.  Adjust all
 176         uses accordingly.
 177         (class Lazy_demangler): Remove.
 178         (struct Version_expression): Change language from std::string to
 179         Version_script_info::Language.
 180         (Version_script_info::Version_script_info): New function.
 181         (Version_script_info::~Version_script_info): Don't call clear.
 182         (Version_script_info::finalize): New function.
 183         (Version_script_info::build_lookup_tables): New function.
 184         (Version_script_info::build_expression_list_lookup): New
 185         function.
 186         (Version_script_info::get_symbol_version_helper): Rewrite to use
 187         lookup tables.
 188         (Version_script_info::print_expression_list): Adjust to use
 189         Version_script_info::Language.
 190         (script_push_lex_into_version_mode): Check that the version script
 191         has not been finalized.
 192         (version_script_push_lang): Change language string to
 193         Version_script_info::Language.
 194         * options.cc (Command_line::version_script): New function.
 195         * options.h (class General_options): Add finalize_dynamic_list
 196         function.  Change version_script from declaration to definition.
 197         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
 198         * testsuite/version_script.map: Remove duplicate def of foo.
 199         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
 200         version_script.map.
 201         * testsuite/Makefile.in: Rebuild.
 202
 203 2009-12-30  Ian Lance Taylor  <[email protected]>
 204
 205         PR 10843
 206         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
 207         if the input symbol index is 0, make the output symbol index 0.
 208
 209 2009-12-30  Ian Lance Taylor  <[email protected]>
 210
 211         PR 10670
 212         * options.h (class General_options): Add -x/--discard-all.
 213         * object.cc (Sized_relobj::do_count_local_symbols): Handle
 214         --discard-all.  If the local symbol needs a dynamic entry, check
 215         that before handling --discard-locals.
 216
 217 2009-12-30  Ian Lance Taylor  <[email protected]>
 218
 219         PR 10450
 220         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
 221         flags to PF_R.
 222         (Output_segment::add_output_section): Don't change the flags if
 223         the type is PT_TLS.
 224
 225         PR 10450
 226         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
 227         GNU hash table if they need a dynamic value.  Otherwise, don't add
 228         them if they are defined in a dynamic object or are forced local.
 229
 230 2009-12-29  Ian Lance Taylor  <[email protected]>
 231
 232         PR 10450
 233         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
 234         .gnu.hash table for a 32-bit target.
 235
 236         PR 10450
 237         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
 238         regular and a dynamic object only needs a dynamic symbol table
 239         entry if it is externally visible.
 240
 241         PR 10450
 242         * i386.cc (class Target_i386): Initialize global_offset_table_ in
 243         constructor.  Add global_offset_table_ field.
 244         (Target_i386::got_section): Set global_offset_table_.
 245         (Target_i386::do_finalize_sections): Set global_offset_table_
 246         size.
 247         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
 248         in constructor.  Add global_offset_table_ field.
 249         (Target_x86_64::got_section): Set global_offset_table_.
 250         (Target_x86_64::do_finalize_sections): Set global_offset_table_
 251         size.
 252
 253         * layout.cc (Layout::Layout): Initialize increase_relro_.
 254         (Layout::get_output_section): Add is_relro, is_last_relro, and
 255         is_first_non_relro parameters.  Change all callers.
 256         (Layout::choose_output_section): Likewise.
 257         (Layout::add_output_section_data): Likewise.
 258         (Layout::make_output_section): Likewise.
 259         (Layout::set_segment_offsets): Clear increase_relro when using a
 260         linker script.
 261         * layout.h (class Layout): Add increase_relro method.  Add
 262         increase_relro_ field.  Update declarations.
 263         * output.cc (Output_section::Output_section): Initialize
 264         is_last_relro_ and is_first_non_relro_.
 265         (Output_segment::add_output_section): Group relro sections is
 266         do_sort is true.  Handle is_last_relro and is_first_non_relro.
 267         (Output_segment::maximum_alignment): Remove relro handling.
 268         (Output_segment::set_section_addresses): Add increase_relro
 269         parameter.  Change all callers.  Add initial alignment to align
 270         relro sections on separate page.  Remove old relro handling.
 271         (Output_segment::set_section_list_addresses): Remove in_relro
 272         parameter.  Change all callers.
 273         (Output_segment::set_offset): Add increase parameter.  Change all
 274         callers.  Remove old relro handling.
 275         * output.h (class Output_section): Add new methods: is_last_relro,
 276         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
 277         Add is_last_relro_ and is_first_non_relro_ fields.
 278         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
 279         Create separate .got.plt section.  Call increase_relro.
 280         * x86_64.cc (Target_x86_64::got_section): Likewise.
 281         * testsuite/relro_script_test.t: Add .got.plt.
 282
 283         PR 10450
 284         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
 285         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
 286         (Layout::finalize): Call set_dynamic_symbol_size.
 287         (Layout::set_dynamic_symbol_size): New function.
 288         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
 289         set_dynamic_symbol_size.
 290
 291         PR 10450
 292         * output.h (class Output_section): Add is_entsize_zero_ field.
 293         * output.cc (Output_section::Output_section): Initialize
 294         is_entsize_zero_.
 295         (Output_section::set_entsize): If two different entsizes are
 296         requested, force it to zero.
 297         (Output_section::add_input_section): Set flags for .debug_str
 298         before updating section flags.  Set entsize.
 299         (Output_section::update_flags_for_input_section): Set SHF_MERGE
 300         and SHF_STRING if all input sections have those flags.
 301
 302 2009-12-29   Rafael Espindola  <[email protected]>
 303
 304         * main.cc (main): Fix the sys time reporting.
 305         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
 306         reporting.
 307
 308 2009-12-29  Sriraman Tallam  <[email protected]>
 309
 310         * options.cc (General_options::parse_version): Allow -v to exit
 311         without an error if there is nothing to link.
 312
 313 2009-12-29  Ian Lance Taylor  <[email protected]>
 314
 315         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
 316         using a version of gcc before 4.1.
 317         * configure: Rebuild.
 318
 319 2009-12-28  Chris Demetriou  <[email protected]>
 320
 321         * attributes.cc (Output_attributes_section_data::do_write): Use
 322         std::vector::front rather than std::vector::data.
 323
 324 2009-12-28  Ian Lance Taylor  <[email protected]>
 325
 326         * symtab.h (class Symbol_table): Add enum Defined.
 327         * resolve.cc (Symbol_table::should_override): Add defined
 328         parameter.  Change all callers.  Test whether object is NULL
 329         before calling a method on it.
 330         (Symbol_table::report_resolve_problem): Add defined parameter.
 331         Change all callers.
 332         (Symbol_table::should_override_with_special): Likewise.
 333         * symtab.cc (Symbol_table::define_in_output_data): Add defined
 334         parameter.  Change all callers.
 335         (Symbol_table::do_define_in_output_data): Likewise.
 336         (Symbol_table::define_in_output_segment): Likewise.
 337         (Symbol_table::do_define_in_output_segment): Likewise.
 338         (Symbol_table::define_as_constant): Likewise.
 339         (Symbol_table::do_define_as_constant): Likewise.
 340         * script.h (class Symbol_assignment): Add is_defsym parameter to
 341         constructor; change all callers.
 342         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
 343         parameter.  Change all callers.  Add is_defsym_ field.
 344         (class Parser_closure): Add parsing_defsym parameter to
 345         constructor; change all callers.  Add parsing_defsym accessor
 346         function.  Add parsing_defsym_ field.
 347
 348 2009-12-28  Ian Lance Taylor  <[email protected]>
 349
 350         * gold.cc (queue_middle_tasks): Fix formatting.
 351         * object.cc (Relobj::is_section_name_included): Likewise.
 352
 353 2009-12-23  Ian Lance Taylor  <[email protected]>
 354
 355         * i386.cc (Target_i386::do_calls_non_split): Recognize
 356         -fsplit-stack prologue for a function with a static chain.
 357         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
 358         -fsplit-stack prologue when using %r11.
 359
 360 2009-12-21  Sriraman Tallam  <[email protected]>
 361
 362         * options.cc (General_options::parse_version): Make -v continue and do
 363         the link like GNU ld does.
 364
 365 2009-12-17  Rafael Avila de Espindola  <[email protected]>
 366
 367         * Makefile.am (CCFILES): Add timer.cc.
 368         (HFILES): Add timer.h.
 369         * configure.ac: Check for sysconf and times.
 370         * main.cc: include timer.h.
 371         (main): Use Timer instead of get_run_time.
 372         * timer.cc: New.
 373         * timer.h: New.
 374         * workqueue.cc: include timer.h.
 375         (Workqueue::find_and_run_task):
 376         Report user, sys and wall time.
 377         * Makefile.in: Regenerate.
 378         * config.in: Regenerate.
 379         * configure: Regenerate.
 380
 381 2009-12-16  Doug Kwan  <[email protected]>
 382
 383         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
 384         sections.
 385         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
 386         relaxed input sections.
 387         * output.cc (Output_section::find_relaxed_input_section): Change
 388         return type to Output_relaxed_input_section pointer.  Adjust code
 389         for new type of relaxed_input_section_map_.
 390         * output.h (Output_section::find_relaxed_input_section): Change
 391         return type to Output_relaxed_input_section pointer.
 392         (Output_section::Output_relaxed_input_section_by_input_section_map):
 393         New type.
 394         (Output_section::relaxed_input_section_map_): Change type to
 395         Output_section::Output_relaxed_input_section_by_input_section_map.
 396         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
 397         input section.
 398
 399 2009-12-15  Ian Lance Taylor  <[email protected]>
 400
 401         * layout.cc (Layout::create_shstrtab): Only write out after input
 402         sections if we are compressing debug sections.
 403
 404 2009-12-15  Ian Lance Taylor  <[email protected]>
 405
 406         * archive.cc (Archive::add_symbols): Only look up a symbol without
 407         a version if there is, in fact, a version.
 408
 409 2009-12-14  Ian Lance Taylor  <[email protected]>
 410
 411         Revert -Wshadow changes, all changes from:
 412         2009-12-11  Doug Kwan  <[email protected]>
 413         2009-12-11  Nick Clifton  <[email protected]>
 414         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
 415
 416 2009-12-11  Doug Kwan  <[email protected]>
 417
 418         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
 419         due to -Wshadow.
 420         * attributes.cc (Object_attribute::size): Ditto.
 421         (Attributes_section_data::size): Ditto.
 422         (Attributes_section_data::Attributes_section_data): Ditto.
 423         (Output_attributes_section_data::do_write): Ditto.
 424         * attributes.h (Object_attribute::set_type): Ditto.
 425         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
 426
 427 2009-12-11  Nick Clifton  <[email protected]>
 428
 429         * archive.cc: Fix shadowed variable warnings.
 430         * arm.cc: Likewise.
 431         * compressed_output.cc: Likewise.
 432         * compressed_output.h: Likewise.
 433         * configure: Likewise.
 434         * dwarf_reader.cc: Likewise.
 435         * dynobj.cc: Likewise.
 436         * dynobj.h: Likewise.
 437         * ehframe.cc: Likewise.
 438         * ehframe.h: Likewise.
 439         * errors.cc: Likewise.
 440         * expression.cc: Likewise.
 441         * fileread.cc: Likewise.
 442         * fileread.h: Likewise.
 443         * freebsd.h: Likewise.
 444         * i386.cc: Likewise.
 445         * icf.cc: Likewise.
 446         * incremental.h: Likewise.
 447         * layout.cc: Likewise.
 448         * layout.h: Likewise.
 449         * mapfile.cc: Likewise.
 450         * merge.cc: Likewise.
 451         * merge.h: Likewise.
 452         * object.cc: Likewise.
 453         * object.h: Likewise.
 454         * options.h: Likewise.
 455         * output.cc: Likewise.
 456         * output.h: Likewise.
 457         * parameters.cc: Likewise.
 458         * plugin.cc: Likewise.
 459         * powerpc.cc: Likewise.
 460         * reduced_debug_output.cc: Likewise.
 461         * reduced_debug_output.h: Likewise.
 462         * reloc.cc: Likewise.
 463         * reloc.h: Likewise.
 464         * resolve.cc: Likewise.
 465         * script-sections.cc: Likewise.
 466         * script.cc: Likewise.
 467         * script.h: Likewise.
 468         * sparc.cc: Likewise.
 469         * symtab.cc: Likewise.
 470         * symtab.h: Likewise.
 471         * target-select.cc: Likewise.
 472         * target-select.h: Likewise.
 473         * token.h: Likewise.
 474         * workqueue.cc: Likewise.
 475         * workqueue.h: Likewise.
 476         * x86_64.cc: Likewise.
 477
 478 2009-12-10  Doug Kwan  <[email protected]>
 479
 480         * arm.cc (attributes.h): New include.
 481         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
 482         (Arm_relobj::~Arm_relobj): Delete object pointed by
 483         attributes_section_data_.
 484         (Arm_relobj::attributes_section_data): New method definition.
 485         (Arm_relobj::attributes_section_data_): New data member declaration.
 486         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
 487         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
 488         attributes_section_data_.
 489         (Arm_dynobj::attributes_section_data): New method definition.
 490         (Arm_dynobj::attributes_section_data_): New data member declaration.
 491         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
 492         initialization value of may_use_blx_ to false.
 493         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
 494         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
 495         object attributes to compute results instead of hard-coding.
 496         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
 497         Target_arm::get_secondary_compatible_arch,
 498         Target_arm::set_secondary_compatible_arch
 499         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 500         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
 501         New method declarations.
 502         (Target_arm::get_aeabi_object_attribute): New method definition.
 503         (Target_arm::attributes_section_data_): New data member declaration.
 504         (read_arm_attributes_section): New template definition.
 505         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
 506         (Arm_dynobj::do_read_symbols): Ditto.
 507         (Target_arm::do_finalize_sections): Merge attributes sections from
 508         input.  Check for BLX use after attributes section merging.
 509         Fix __exidx_start and __exidx_end visibility.  Create an
 510         .ARM.attributes section if necessary.
 511         (Target_arm::get_secondary_compatible_arch,
 512         Target_arm::set_secondary_compatible_arch,
 513         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 514         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
 515         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
 516         New method definitions.
 517
 518 2009-12-09  Ian Lance Taylor  <[email protected]>
 519
 520         * plugin.cc (Plugin::load): Don't cast from void* to a function
 521         pointer.
 522
 523 2009-12-09  Ian Lance Taylor  <[email protected]>
 524
 525         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
 526         information fields.
 527
 528 2009-12-09  H.J. Lu  <[email protected]>
 529
 530         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
 531         Replace two_file_shared_1.so with two_file_shared_2.so.
 532         * testsuite/Makefile.in: Regenerated.
 533
 534 2009-12-08  Doug Kwan  <[email protected]>
 535
 536         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
 537         (HFILES): Add attributes.h and int_encoding.h.
 538         * Makefile.in: Regenerate.
 539         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
 540         function definitions to int_encoding.cc
 541         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
 542         prototypes to int_encoding.h
 543         * reduced_debug_output.cc (int_encoding.h): New include.
 544         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
 545         function definitions to int_encoding.cc
 546         (insert_into_vector, read_from_pointer): Move template definitions to
 547         int_encoding.h
 548         * attributes.cc: New file.
 549         * attributes.h: New file.
 550         * int_encoding.cc: New file.
 551         * int_encoding.h: New file.
 552
 553 2009-12-07  Rafael Avila de Espindola  <[email protected]>
 554
 555         PR gold/11055
 556         * incremental-dump.cc (dump_incremental_inputs): New.
 557         (main): Use dump_incremental_inputs.
 558
 559 2009-12-07  H.J. Lu  <[email protected]>
 560
 561         PR gold/10893
 562         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
 563         checking elfcpp::STT_FUNC.
 564         (Target_i386::Relocate::relocate): Likewise.
 565         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 566
 567         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
 568         symbols from shared libraries into normal FUNC symbols.
 569
 570         * symtab.h (Symbol): Add is_func and use it.
 571
 572 2009-12-05  Doug Kwan  <[email protected]>
 573
 574         * arm.cc (Target_arm::arm_info): Initialize new fields
 575         attributes_section and attributes_vendor.
 576         * i386.cc (Target_i386::i386_info): Same.
 577         * object.cc (Sized_relobj::do_layout): Skip attribute section.
 578         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
 579         fields attributes_section and attributes_vendor.
 580         * sparc.cc (Target_sparc::sparc_info): Same.
 581         * target.h (Target::attributes_section, Target::attributes_vendor,
 582         Target::is_attributes_section, Target::attribute_arg_type,
 583         Target::attributes_order): New method definitions.
 584         (Target::Target_info::attributes_section,
 585         Target::Target_info::attributes_vendor): New fields.
 586         (Target::do_attribute_arg_type, Target::do_attributes_order): New
 587         virtual method definitions.
 588         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
 589         attributes_section and attributes_vendor.
 590         * testsuite/testfile.cc (Target_test::test_target_info): Same.
 591
 592 2009-12-05  Doug Kwan  <[email protected]>
 593
 594         * arm.cc: Update comments about interworking and stub generation.
 595         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
 596         considered as non-PIC.
 597         (Arm_relocate_functions::base_abs): Fix formatting.
 598         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
 599         of function to use GOT entry address instead of offset.
 600         (Target_arm::Scan::global): Issue an error if a symbol would need a
 601         PLT does not get one because it is untyped.  Remove code to create
 602         dynamic symbols for relative branches.
 603         (Target_arm::Relocate::relocate: Use 0 instead of false since function
 604         takes unsigned integer instead of boolean.
 605
 606 2009-12-05  H.J. Lu  <[email protected]>
 607
 608         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
 609         (two_file_test_LDADD): Likewise.
 610         (common_test_1_LDADD): Likewise.
 611         (exception_test_LDADD) Likewise.
 612         (weak_test_LDADD): Likewise.
 613         (many_sections_test_LDADD): Likewise.
 614         (initpri1_LDADD): Likewise.
 615         (script_test_1_LDADD): Likewise.
 616         (script_test_2_LDADD): Likewise.
 617         (justsyms_LDADD): Likewise.
 618         (binary_test_LDADD): Likewise.
 619         (large_LDADD): Likewise.
 620         * testsuite/Makefile.in: Regenerated.
 621
 622 2009-12-04  H.J. Lu  <[email protected]>
 623
 624         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
 625         (Symbol_table::override_with_special): Likewise.
 626         (Symbol_table::add_from_object): Likewise.
 627
 628 2009-12-04  Rafael Avila de Espindola  <[email protected]>
 629
 630         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 631         Don't set the data_offset twice.
 632
 633 2009-12-04  Rafael Avila de Espindola  <[email protected]>
 634
 635         * testsuite/Makefile.in: Regenerate.
 636
 637 2009-12-03  Doug Kwan  <[email protected]>
 638
 639         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
 640         (Target_arm::do_finalize_sections): Add parameter for symbol table
 641         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
 642         * i386.cc (Target_i386::do_finalize_sections): Add an additional
 643         parameter for symbol table pointer.
 644         * layout.cc (Layout::finalize): Call Target::finalize_sections with
 645         an additional parameter for a pointer to symbol table.
 646         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
 647         parameter for a symbol table pointer.
 648         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
 649         * target.h (Target::finalize_sections, Target::do_finalize_sections):
 650         Ditto.
 651         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
 652         parameter for a symbol table pointer.
 653
 654 2009-12-03  Rafael Avila de Espindola  <[email protected]>
 655
 656         * incremental.cc (Incremental_inputs_header)
 657         (Incremental_inputs_header_write, Incremental_inputs_entry)
 658         (Incremental_inputs_entry_write): Move ...
 659         * incremental.h (Incremental_inputs_header)
 660         (Incremental_inputs_header_write, Incremental_inputs_entry)
 661         (Incremental_inputs_entry_write): here.
 662
 663 2009-12-02  Rafael Avila de Espindola  <[email protected]>
 664
 665         * incremental.cc (make_sized_incremental_binary): Set the target.
 666         Error if it is incompatible.
 667         * output.h (Output_file): Add filename method.
 668
 669 2009-12-02  Rafael Avila de Espindola  <[email protected]>
 670
 671         * incremental.cc (Incremental_inputs_entry): Remove unused argument
 672         from the get_* methods.
 673
 674 2009-12-02  Rafael Avila de Espindola  <[email protected]>
 675
 676         * incremental-dump.cc (main): Check that the offeset of a script is 0.
 677         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 678         Write 0 for the data_offset of scripts.
 679
 680 2009-12-02  Rafael Avila de Espindola  <[email protected]>
 681
 682         * testsuite/Makefile.am: Add the incremental_test.sh test.
 683         * testsuite/incremental_test.sh: New.
 684         * testsuite/incremental_test_1.c: New.
 685         * testsuite/incremental_test_2.c: New.
 686
 687 2009-12-01  Rafael Avila de Espindola  <[email protected]>
 688
 689        * incremental-dump.cc (main): Fix typos.
 690
 691 2009-11-27  Rafael Avila de Espindola  <[email protected]>
 692
 693         PR gold/11025
 694         * incremental-dump.cc (main): Use llu to print 64 bit values.
 695
 696 2009-11-26  Per Øyvind Karlsen <[email protected]>
 697             H.J. Lu  <[email protected]>
 698
 699         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
 700         $(LIBDL).
 701         (incremental_dump_LDADD): Likewise.
 702         * Makefile.in: Regenerated.
 703
 704 2009-11-25  Doug Kwan  <[email protected]>
 705
 706         Revert:
 707
 708         2009-11-25  Doug Kwan  <[email protected]>
 709
 710                 * arm.cc (Target_arm::Target_arm): Move method definition
 711                 outside of class definition.  Add code to handle
 712                 --target1-rel, --target1-abs and --target2= options.
 713                 (Target_arm::get_reloc_reloc_type): Change method to be
 714                 non-static and const.
 715                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
 716                 New data member declaration.
 717                 (Target_arm::Scan::local, Target_arm::Scan::global,
 718                 Target_arm::Relocate::relocate,
 719                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 720                 Adjust call to Target_arm::get_real_reloc_type.
 721                 (Target_arm::get_real_reloc_type): Use command line options
 722                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 723                 * options.h (--target1-rel, --target1-abs, --target2): New
 724                 ARM-only options.
 725
 726 2009-11-25  Doug Kwan  <[email protected]>
 727
 728         * arm.cc (Target_arm::Target_arm): Move method definition outside of
 729         class definition.  Add code to handle --target1-rel, --target1-abs
 730         and --target2= options.
 731         (Target_arm::get_reloc_reloc_type): Change method to be non-static
 732         and const.
 733         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
 734         member declaration.
 735         (Target_arm::Scan::local, Target_arm::Scan::global,
 736         Target_arm::Relocate::relocate,
 737         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
 738         call to Target_arm::get_real_reloc_type.
 739         (Target_arm::get_real_reloc_type): Use command line options to
 740         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 741         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
 742         options.
 743
 744 2009-11-25  Doug Kwan  <[email protected]>
 745
 746         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
 747         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
 748         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
 749         formatting.
 750         (Arm_relocate_functions::thm_call): Replace body with a call to
 751         Arm_relocate_functions::thumb_branch_common.
 752         (Arm_relocate_functions::thm_jump24,
 753         Arm_relocate_functions::thm_xpc22): New method definitions.
 754         (Arm_relocate_functions::thumb_branch_common): New method definition.
 755         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
 756         operator.
 757         (Target_arm::Relocate::relocate): Adjust call to thm_call.
 758         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
 759
 760 2009-11-24  Rafael Avila de Espindola  <[email protected]>
 761
 762         * Makefile.am: Build incremental-dump
 763         * Makefile.in: Regenerate.
 764         * incremental-dump.cc: New.
 765         * incremental.cc (Incremental_inputs_header_data,
 766         Incremental_inputs_entry_data): Move to incremental.h
 767         * incremental.h: (Incremental_inputs_header_data,
 768         Incremental_inputs_entry_data): Move from incremental.cc
 769
 770 2009-11-24  Rafael Avila de Espindola  <[email protected]>
 771
 772         * incremental.cc (Incremental_inputs_header,
 773         Incremental_inputs_header_write, Incremental_inputs_entry,
 774         Incremental_inputs_entry_write): Add a typedef with the data type.
 775
 776 2009-11-24  Rafael Avila de Espindola  <[email protected]>
 777
 778         * incremental.cc (Incremental_inputs_header,
 779         Incremental_inputs_header_write, Incremental_inputs_entry,
 780         Incremental_inputs_entry_write): Update comment about which
 781         type has the filed descriptions.
 782
 783 2009-11-15  Doug Kwan  <[email protected]>
 784
 785         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
 786         (Arm_relocate_functions::arm_branch_common): Change method defintion
 787         in class definition to a method declaration and update list of formal
 788         parameters.
 789         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
 790         Arm_relocation_functions::jump24): Adjust call to
 791         Arm_relocate_functions::arm_branch_common.  Update list of formal
 792         parameters.
 793         (Arm_relocate_functions::xpc25): New method definition.
 794         (Arm_relocate_functions::arm_branch_common): Move method defintion
 795         out from class definition.  Use stubs for mode-switching and extending
 796         branch ranges.
 797         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
 798         specially.  Change code to enable use of stubs in ARM branches.
 799
 800 2009-11-10  Doug Kwan  <[email protected]>
 801
 802         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
 803         in method declaration.
 804         (Target_arm::relocate_stub): New method declaration.
 805         (Target_arm::default_target): Change to return a pointer instead of
 806         a const reference.
 807         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
 808         Target_arm::default_target.
 809         (Arm_Relobj::do_relocate_sections): Remove options paramater in
 810         method definition.
 811         (Target_arm::relocate_section): Adjust view.
 812         (Target_arm::relocate_stub): New method definition.
 813
 814 2009-11-10  Doug Kwan  <[email protected]>
 815
 816         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
 817         a format warning.
 818         * incremental.cc (open_incremental_binary): Initialized local
 819         variables to avoid warnings.
 820         * object.cc (make_elf_object): Ditto.
 821         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
 822         a format warning.
 823
 824 009-11-09  H.J. Lu  <[email protected]>
 825
 826         PR gold/10930
 827         * testsuite/plugin_test.c: Include "config.h".
 828
 829 2009-11-09  Doug Kwan  <[email protected]>
 830
 831         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
 832         (arm_symbol_value): Remove.
 833         (Arm_relocate_functions::arm_branch_common,
 834         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
 835         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
 836         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
 837         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
 838         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
 839         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
 840         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
 841         Arm_relocate_functions::thm_mobw_abs_nc,
 842         Arm_relocate_functions::thm_mov_abs,
 843         Arm_relocate_functions::movw_prel_nc,
 844         Arm_relocate_functions::thm_movt_abs,
 845         Arm_relocate_functions::movt_prel,
 846         Arm_relocate_functions::thm_movw_prel_nc,
 847         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
 848         (Target_arm::Relocate::relocate): Only decompose address into two
 849         parts if relocation type uses the thumb-bit and pass the actual
 850         bit instead of a flag indicating that the thumb-bit is used.  Adjust
 851         calls to methods in Arm_relocate_functions for this change.
 852
 853 2009-11-08  Ian Lance Taylor  <[email protected]>
 854
 855         PR 10925
 856         * reloc.cc: Instantiate
 857         Sized_relobj::initialize_input_to_output_maps and
 858         Sized_relobj:free_input_to_output_maps.
 859
 860 2009-11-06  Ian Lance Taylor  <[email protected]>
 861
 862         PR 10876
 863         * defstd.cc (in_segment): Set only_if_ref true for "end".
 864
 865 2009-11-06  Doug Kwan  <[email protected]>
 866
 867         * arm.cc (class Reloc_stub): Correct a comment.
 868         (Target_arm::Target_arm): Initialize arm_input_section_map_.
 869         (Target_arm::scan_section_for_stubs): New method declaration.
 870         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
 871         Change methods from private to protected.
 872         (Target_arm::do_may_relax): New method definition.
 873         (Target_arm::do_relax, Target_arm::group_sections,
 874         Target_arm::scan_reloc_for_stub,
 875         Target_arm::scan_reloc_section_for_stubs): New method declarations.
 876         (Target_arm::arm_input_section_map_): New data member declaration.
 877         (Target_arm::scan_reloc_for_stub,
 878         Target_arm::scan_reloc_section_for_stubs,
 879         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
 880         Target_arm::do_relax): New method definitions.
 881
 882 2009-11-06  Mikolaj Zalewski  <[email protected]>
 883
 884         * configure.ac: Check for (struct stat)::st_mtim
 885         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
 886         * config.in: Regenerate.
 887         * configure: Regenerate.
 888
 889 2009-11-05  Ian Lance Taylor  <[email protected]>
 890
 891         PR 10910
 892         * output.cc (Output_segment::add_output_section): Add missing
 893         return statement.
 894
 895 2009-11-04  Ian Lance Taylor  <[email protected]>
 896
 897         PR 10880
 898         * object.h (class Object): Add is_needed and set_is_needed
 899         methods.  Add is_needed_ field.  Make bool fields into bitfields.
 900         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
 901         defined in a dynamic object and referenced by a regular object,
 902         set is_needed for the dynamic object.
 903         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
 904         if the file is marked with as_needed and it is not needed.
 905
 906 2009-11-04  Ian Lance Taylor  <[email protected]>
 907
 908         PR 10887
 909         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
 910         tags if data is discarded by linker script.
 911         * i386.cc (Target_i386::do_finalize_sections): Likewise.
 912         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
 913         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
 914         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 915
 916 2009-11-04  Ian Lance Taylor  <[email protected]>
 917
 918         * layout.cc (Layout::get_output_section): Add is_interp and
 919         is_dynamic_linker_section parameters.  Change all callers.
 920         (Layout::choose_output_section): Likewise.
 921         (Layout::make_output_section): Likewise.
 922         (Layout::add_output_section_data): Add is_dynamic_linker_section
 923         parameter.  Change all callers.
 924         * layout.h (class Layout): Update declarations.
 925         * output.h (class Output_section): Add is_interp, set_is_interp,
 926         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
 927         Add is_interp_, is_dynamic_linker_section_ fields.  Change
 928         generate_code_fills_at_write_ to a bitfield.
 929         * output.cc (Output_section::Output_sections): Initialize new
 930         fields.
 931         (Output_segment::add_output_section): Add do_sort parameter.
 932         Change all callers.
 933
 934 2009-11-03  Ian Lance Taylor  <[email protected]>
 935
 936         PR 10860
 937         * options.h (class General_options): Add --warn-common.
 938         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
 939         merging two common symbols.
 940         (Symbol_table::should_override): Handle --warn-common when merging
 941         a common symbol with a defined symbol.  Use report_resolve_problem
 942         for multiple definitions.
 943         (Symbol_table::report_resolve_problem): New function.
 944         * symtab.h (class Symbol_table): Declare report_resolve_problem.
 945
 946 2009-11-03  Doug Kwan  <[email protected]>
 947
 948         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
 949         stub_factory_.
 950         (Target_arm::stub_factory): New method definition.
 951         (Target_arm::new_arm_input_section,
 952         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
 953         Target_arm::reloc_uses_thumb_bit): New method declarations.
 954         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
 955         New type definitions.
 956         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
 957         member declarations.
 958         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
 959         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
 960         New method definitions.
 961
 962 2009-11-03  Ian Lance Taylor  <[email protected]>
 963
 964         * options.h (class General_options): Add --warn_constructors.
 965
 966 2009-11-03  Ian Lance Taylor  <[email protected]>
 967
 968         PR 10893
 969         * defstd.cc (in_section): Add entries for __rel_iplt_start,
 970         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
 971
 972 2009-11-03  Ian Lance Taylor  <[email protected]>
 973
 974         PR 10895
 975         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
 976         --msgid-bugs-address.
 977         (install-pdf): New target.
 978         (install-data_yes): Look up one directory to find mkinstalldirs.
 979
 980 2009-11-03  H.J. Lu  <[email protected]>
 981
 982         * po/Make-in (.po.gmo): Don't generate .gmo files in source
 983         tree.
 984
 985 2009-10-30  Doug Kwan  <[email protected]>
 986
 987         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
 988
 989 2009-10-30  Doug Kwan  <[email protected]>
 990
 991         * arm.cc (Stub_addend_reader): New struct template definition
 992         and partial specializations.
 993         (Stub_addend_reader::operator()): New method definition for a
 994         partially specialized template.
 995
 996 2009-10-30  Doug Kwan  <[email protected]>
 997
 998         * arm.cc (Arm_relobj::processor_specific_flags): New method
 999         definition.
1000         (Arm_relobj::do_read_symbols): New method declaration.
1001         (Arm_relobj::processor_specific_flags_): New data member declaration.
1002         (Arm_dynobj): New class definition.
1003         (Target_arm::do_finalize_sections): Add input_objects parameter.
1004         (Target_arm::do_adjust_elf_header): New method declaration.
1005         (Target_arm::are_eabi_versions_compatible,
1006         (Target_arm::merge_processor_specific_flags): New method declaration.
1007         (Target_arm::do_make_elf_object): New overloaded method definitions
1008         and declaration.
1009         (Arm_relobj::do_read_symbols): New method definition.
1010         (Arm_dynobj::do_read_symbols): Ditto.
1011         (Target_arm::do_finalize_sections): Add input_objects parameters.
1012         Merge processor-specific flags from all input objects.
1013         (Target_arm::are_eabi_versions_compatible,
1014         Target_arm::merge_processor_specific_flags,
1015         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1016         New method definitions.
1017         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1018         Input_objects pointer type parameter.
1019         * layout.cc (Layout::finalize): Pass input objects to target's.
1020         finalize_sections function.
1021         * output.cc (Output_file_header::do_sized_write): Set ELF file
1022         header's processor-specific flags.
1023         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1024         Input_objects pointer type parameter.
1025         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1026         * target.h (Input_objects): New forward class declaration.
1027         (Target::processor_specific_flags,
1028         Target::are_processor_specific_flags_sect): New method definitions.
1029         (Target::finalize_sections): Add input_objects parameter.
1030         (Target::Target): Initialize processor_specific_flags_ and
1031         are_processor_specific_flags_set_.
1032         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1033         parameter.
1034         (Target::set_processor_specific_flags): New method definition.
1035         (Target::processor_specific_flags_,
1036         Target::are_processor_specific_flags_set_): New data member
1037         declarations.
1038         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1039         Input_objects pointer type parameter.
1040
1041 2009-10-30  Doug Kwan  <[email protected]>
1042
1043         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1044
1045 2009-10-28  Ian Lance Taylor  <[email protected]>
1046
1047         * object.h (class Relobj): Drop options parameter from
1048         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1049         do_scan_relocs, do_relocate.  Change all callers.
1050         (class Sized_relobj): Drop options parameters from
1051         do_gc_process_relocs, do_scan_relocs, do_relocate,
1052         do_relocate_sections, relocate_sections, emit_relocs_scan,
1053         emit_relocs_scan_reltype.  Change all callers.
1054         (struct Relocate_info): Remove options field and all references to
1055         it.
1056         * reloc.h (class Read_relocs): Remove options constructor
1057         parameter and options_ field.  Change all callers.
1058         (class Gc_process_relocs, class Scan_relocs): Likewise.
1059         (class Relocate_task): Likewise.
1060         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1061         all callers.
1062         (scan_relocatable_relocs): Likewise.
1063         * target.h (class Sized_target): Remove options parameter from
1064         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1065         all callers.
1066         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1067         callers.
1068         * arm.cc: Update functions to remove options parameters.
1069         * i386.cc: Likewise.
1070         * powerpc.cc: Likewise.
1071         * sparc.cc: Likewise.
1072         * x86_64.cc: Likewise.
1073         * testsuite/testfile.cc: Likewise.
1074
1075 2009-10-28  Doug Kwan  <[email protected]>
1076
1077         * arm.cc (Arm_relobj): New class definition.
1078         (Arm_relobj::scan_sections_for_stubs,
1079         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1080         New method definitions.
1081
1082 2009-10-28  Cary Coutant  <[email protected]>
1083
1084         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1085         (Plugin::cleanup_done_): New member.
1086         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1087         (Plugin_manager::cleanup_done_): Remove.
1088         (Plugin_manager::add_input_file): Edit error message.
1089         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1090         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1091
1092 2009-10-27  Mikolaj Zalewski  <[email protected]>
1093
1094         * fileread.cc: (File_read::View::~View): Use the new
1095         data_ownership_ filed.
1096         (File_read::~File_read): Dispose the new whole_file_view_.
1097         (File_read::open): Mmap the whole file if needed.
1098         (File_read::open): Use whole_file_view_ instead of contents_.
1099         (File_read::find_view): Use whole_file_view_ if applicable.
1100         (File_read::do_read): Use whole_file_view_ instead of contents_.
1101         (File_read::make_view): Use whole_file_view_ instead of contents_,
1102         update File_read::View::View call.
1103         (File_read::find_or_make_view): Update File_read::View::View
1104         call.
1105         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1106         remove contents_
1107         (File_read::View::Data_ownership): New enum.
1108         (File_read::View::View): Replace bool mapped_ with Data_ownership
1109         argument.
1110         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1111         (File_read::View::data_ownership_): New field.
1112         (File_read::contents_): Remove (replaced by whole_file_view_).
1113         (File_read::whole_file_view_): New field.
1114         * options.h (class General_options): Add --keep-files-mapped.
1115
1116 2009-10-27  Cary Coutant  <[email protected]>
1117
1118         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1119         * testsuite/Makefile.am (plugin_test_5): New test case.
1120         * testsuite/Makefile.in: Regenerate.
1121
1122 2009-10-25  Doug Kwan  <[email protected]>
1123
1124         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1125         from private to protected to allow access by child class.
1126         (Sized_relobj::do_relocate_sections): New method declaration.
1127         (Sized_relobj::relocate_sections): Virtualize.
1128         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
1129         Sized_relobj::relocate_sections.  Instantiate template explicitly
1130         for different target sizes and endianity.
1131
1132 2009-10-24  Doug Kwan  <[email protected]>
1133
1134         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1135         (Arm_input_section::as_arm_input_section): New method.
1136         (Arm_output_section): New class definition.
1137         (Arm_output_section::create_stub_group,
1138         Arm_output_section::group_sections): New method definitions.
1139
1140 2009-10-22  Doug Kwan  <[email protected]>
1141
1142         * arm.cc (Arm_input_section): New class definition.
1143         (Arm_input_section::init, Arm_input_section:do_write,
1144         Arm_input_section::set_final_data_size,
1145         Arm_input_section::do_reset_address_and_file_offset): New method
1146         definitions.
1147
1148 2009-10-21  Doug Kwan  <[email protected]>
1149
1150         * arm.cc (Stub_table, Arm_input_section): New forward class
1151         declarations.
1152         (Stub_table): New class defintion.
1153         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1154         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1155         New method definition.
1156
1157 2009-10-21  Doug Kwan  <[email protected]>
1158
1159         * arm.cc: Update copyright comments.
1160         (Target_arm): New forward class template declaration.
1161         (Arm_address): New type.
1162         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1163         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1164         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1165         constants.
1166         (Insn_template): Same.
1167         (DEF_STUBS): New macro.
1168         (Stub_type): New enum type.
1169         (Stub_template): New class definition.
1170         (Stub): Same.
1171         (Reloc_stub): Same.
1172         (Stub_factory): Same.
1173         (Target_arm::Target_arm): Initialize may_use_blx_ and
1174         should_force_pic_veneer_.
1175         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1176         Target_arm::should_force_pic_veneer,
1177         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1178         Target_arm::using_thumb_only, Target_arm:;default_target): New
1179         method defintions.
1180         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1181         New data member declarations.
1182         (Insn_template::size, Insn_template::alignment): New method defintions.
1183         (Stub_template::Stub_template): New method definition.
1184         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1185         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1186         (Stub_factory::Stub_factory): New method definition.
1187         * gold.h (string_hash): New template.
1188         * output.h (Input_section_specifier::hash_value): Use
1189         gold::string_hash.
1190         (Input_section_specifier::string_hash): Remove.
1191         * stringpool.cc (Stringpool_template::string_hash): Use
1192         gold::string_hash.
1193
1194 2009-10-20  Doug Kwan  <[email protected]>
1195
1196         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1197         symbols of relaxed input sections.
1198         * output.h (Output_section::find_relaxed_input_section): Make
1199         method public.
1200
1201 2009-10-16  Doug Kwan  <[email protected]>
1202
1203         * dynobj.cc (Versions::Versions): Initialize version_script_.
1204         Only insert base version symbol definition for a shared object
1205         if version script defines any version versions.
1206         (Versions::define_base_version): New method definition.
1207         (Versions::add_def): Check that base version is not needed.
1208         (Versions::add_need): Define base version lazily.
1209         * dynobj.h (Versions::define_base_version): New method declaration.
1210         (Versions::needs_base_version_): New data member declaration.
1211         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1212         (check_DATA): Add no_version_test.stdout.
1213         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1214         New make rules.
1215         * testsuite/Makefile.in: Regenerate.
1216         * testsuite/no_version_test.c: New file.
1217         * testsuite/no_version_test.sh: Ditto.
1218
1219 2009-10-16  Doug Kwan  <[email protected]>
1220
1221         * expression.cc (class Segment_start_expression): New class definition.
1222         (Segment_start_expression::value): New method definition.
1223         (script_exp_function_segment_start): Return a new
1224         Segment_start_expression.
1225         * gold/script-c.h (script_saw_segment_start_expression): New function
1226         prototype.
1227         * script-sections.cc (Script_sections::Script_sections): Initialize
1228         SAW_SEGMENT_START_EXPRESSION_ to false.
1229         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1230         and -Tbbs options to specify section addresses if given in
1231         command line and no SEGMENT_START expression is seen in a script.
1232         * script-sections.h (Script_sections::saw_segment_start_expression,
1233         Script_sections::set_saw_segment_start_expression): New method
1234         definition.
1235         (Script_sections::saw_segment_start_expression_): New data member
1236         declaration.
1237         * script.cc (script_saw_segment_start_expression): New function.
1238         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1239         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1240         script_test_7.sh and script_test_8.sh.
1241         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1242         script_test_8.stdout.
1243         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1244         (script_test_6, script_test_6.stdout, script_test_7,
1245         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1246         * Makefile.in: Regenerate.
1247         * testsuite/script_test_6.sh: New file.
1248         * testsuite/script_test_6.t: Same.
1249         * testsuite/script_test_7.sh: Same.
1250         * testsuite/script_test_7.t: Same.
1251         * testsuite/script_test_8.sh: Same.
1252
1253 2009-10-16  Doug Kwan  <[email protected]>
1254
1255         * output.cc (Output_segment::set_section_list_address): Cast
1256         expressions to unsigned long long type to avoid format warnings.
1257
1258 2009-10-15  Ian Lance Taylor  <[email protected]>
1259
1260         * script.cc (Script_options::add_symbol_assignment): Always add a
1261         dot assignment to script_sections_.
1262         * script-sections.cc (Script_sections::add_dot_assignment):
1263         Initialize if necessary.
1264
1265         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1266         program headers with no load segment if there is a linker script.
1267
1268         * layout.cc (Layout::set_segment_offsets): Align the file offset
1269         to the segment aligment for -N or -n with no load segment.
1270         * output.cc (Output_segment::add_output_section): Don't crash if
1271         the first section is a TLS section.
1272         (Output_segment::set_section_list_addresses): Print an error
1273         message if the address moves backward in a linker script.
1274         * script-sections.cc
1275         (Output_section_element_input::set_section_addresses): Don't
1276         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1277         (Orphan_output_section::set_section_addresses): Likewise.
1278
1279 2009-10-15  Doug Kwan  <[email protected]>
1280
1281         * layout.cc (Layout::finish_dynamic_section): Generate tags
1282         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1283         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1284         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1285
1286 2009-10-14  Ian Lance Taylor  <[email protected]>
1287
1288         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1289         fields.
1290         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1291         data_shdr fields of relinfo.
1292         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1293         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1294         R_386_TLS_LDO_32, adjust based on section flags.
1295         (Target_i386::Relocate::fix_up_ldo): Remove.
1296
1297 2009-10-13  Ian Lance Taylor  <[email protected]>
1298
1299         Add support for -pie.
1300         * options.h (class General_options): Add -pie and
1301         --pic-executable.
1302         (General_options::output_is_position_independent): Test -pie.
1303         (General_options::output_is_executable): Return true if not shared
1304         and not relocatable.
1305         (General_options::output_is_pie): Remove.
1306         * options.cc (General_options::finalize): Reject incompatible uses
1307         of -pie.
1308         * gold.cc (queue_middle_tasks): A -pie link is not static.
1309         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1310         * symtab.cc (Symbol::final_value_is_known): Return false if
1311         output_is_position_independent.
1312         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1313         output_is_position_independent.
1314         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1315         output_is_position_independent.
1316         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1317         output_is_position_independent.
1318         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1319         two_file_pie_test.
1320         (basic_pie_test.o, basic_pie_test): New targets.
1321         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1322         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1323         (two_file_pie_test): New target.
1324         * testsuite/Makefile.in: Rebuild.
1325         * README: Remove note saying that -pie is not supported.
1326
1327 2009-10-13  Bernhard Reutner-Fischer  <[email protected]>
1328
1329         * options.h (class General_options): Add -init and -fini.
1330         * layout.cc (Layout::finish_dynamic_section): Emit
1331         given init and fini functions.
1332
1333 2009-10-13  Sriraman Tallam  <[email protected]>
1334
1335         * gc.h (gc_process_relocs): Check if icf is enabled using new
1336         function.
1337         * gold.cc (queue_initial_tasks): Likewise.
1338         (queue_middle_tasks): Likewise.
1339         * object.cc (do_layout): Likewise.
1340         * symtab.cc (is_section_folded): Likewise.
1341         * main.cc (main): Likewise.
1342         * reloc.cc (Read_relocs::run): Likewise.
1343         (Sized_relobj::do_scan_relocs): Likewise.
1344         * icf.cc (is_function_ctor_or_dtor): New function.
1345         (Icf::find_identical_sections): Check if function is ctor or dtor when
1346         safe icf is chosen.
1347         * options.h (General_options::icf): Change option to be an enum.
1348         (Icf_status): New enum.
1349         (icf_enabled): New method.
1350         (icf_safe_folding): New method.
1351         (set_icf_status): New method.
1352         (icf_status_): New variable.
1353         * (options.cc) (General_options::finalize): Set icf_status_.
1354         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1355         icf_test and icf_keep_unique_test to use the --icf enum flag.
1356         * testsuite/icf_safe_test.sh: New file.
1357         * testsuite/icf_safe_test.cc: New file.
1358
1359 2009-10-12  Sriraman Tallam  <[email protected]>
1360
1361         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1362         includes to gc.h and icf.h.
1363         * arm.cc: Include gc.h.
1364         * gold.cc: Likewise.
1365         * i386.cc: Likewise.
1366         * powerpc.cc: Likewise.
1367         * sparc.cc: Likewise.
1368         * x86_64.cc: Likewise.
1369         * gc.h: Include icf.h.
1370
1371 2009-10-11  Ian Lance Taylor  <[email protected]>
1372
1373         * plugin.cc: Include "gold.h" before other header files.
1374
1375 2009-10-10  Chris Demetriou  <[email protected]>
1376
1377         * options.h (Input_file_argument::Input_file_type): New enum.
1378         (Input_file_argument::is_lib_): Replace with...
1379         (Input_file_argument::type_): New member.
1380         (Input_file_argument::Input_file_argument): Take Input_file_type
1381         'type' rather than boolean 'is_lib' as second argument.
1382         (Input_file_argument::is_lib): Use type_.
1383         (Input_file_argument::is_searched_file): New function.
1384         (Input_file_argument::may_need_search): Handle is_searched_file.
1385         * options.cc (General_options::parse_library): Support -l:filename.
1386         (General_options::parse_just_symbols): Update for Input_file_argument
1387         changes.
1388         (Command_line::process): Likewise.
1389         * archive.cc (Archive::get_file_and_offset): Likewise.
1390         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1391         * script.cc (read_script_file, script_add_file): Likewise.
1392         * fileread.cc (Input_file::Input_file): Likewise.
1393         (Input_file::will_search_for): Handle is_searched_file.
1394         (Input_file::open): Likewise.
1395         * readsyms.cc (Read_symbols::get_name): Likewise.
1396         * testsuite/Makefile.am (searched_file_test): New test.
1397         * testsuite/Makefile.in: Regenerate.
1398         * testsuite/searched_file_test.cc: New file.
1399         * testsuite/searched_file_test_lib.cc: New file.
1400
1401 2009-10-09  Andrew Pinski  <[email protected]>
1402             Ian Lance Taylor  <[email protected]>
1403
1404         * descriptor.cc: Include <cstdio> and "binary-io.h".
1405         (Descriptors::open): Open the files in binary mode always.
1406         * script.cc (Lex::get_token): Treat \r as whitespace.
1407
1408 2009-10-09  Ian Lance Taylor  <[email protected]>
1409
1410         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1411
1412 2009-10-09  Andrew Pinski  <[email protected]>
1413             Ian Lance Taylor  <[email protected]>
1414
1415         * configure.ac: Check for readv function also.
1416         * fileread.cc (readv): Define if not HAVE_READV.
1417         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1418         does not exist.
1419         * config.in: Regenerate.
1420         * configure: Regenerate.
1421
1422 2009-10-09  Doug Kwan  <[email protected]>
1423
1424         * layout.cc (Layout::make_output_section): Call target hook to make
1425         ordinary output section.
1426         (Layout::finalize): Adjust parameter list of call the
1427         Target::may_relax().
1428         * layout.h (class Layout::section_list): New method.
1429         * merge.h (Output_merge_base::entsize): Change visibility to public.
1430         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1431         New methods.
1432         (Output_merge_string::do_is_string): New method.
1433         * object.cc (Sized_relobj::do_setup): renamed from
1434         Sized_relobj::set_up.
1435         * object.h (Sized_relobj::adjust_shndx,
1436         Sized_relobj::initializ_input_to_output_maps,
1437         Sized_relobj::free_input_to_output_maps): Change visibilities to
1438         protected.
1439         (Sized_relobj::setup): Virtualize.
1440         (Sized_relobj::do_setup): New method declaration.
1441         (Sized_relobj::invalidate_section_offset,
1442         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1443         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1444         * options.cc (parse_int): New function.
1445         * options.h (parse_int): New declaration.
1446         (DEFINE_int): New macro.
1447         (stub_group_size): New option.
1448         * output.cc (Output_section::Output_section): Initialize memebers
1449         merge_section_map_, merge_section_by_properties_map_,
1450         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1451         (Output_section::add_input_section): Handled deferred code-fill
1452         generation and remove an old comment.
1453         (Output_section::add_relaxed_input_section): New method definition.
1454         (Output_section::add_merge_input_section): Use merge section by
1455         properties map to speed to search.  Update merge section maps
1456         as appropriate.
1457         (Output_section::build_relaxation_map): New method definition.
1458         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1459         Same.
1460         (Output_section::relax_input_section): Renamed to
1461         Output_section::convert_input_sections_to_relaxed_sections and change
1462         interface to take a vector of pointers to relaxed sections.
1463         (Output_section::find_merge_section,
1464         Output_section::find_relaxed_input_section): New method definitions.
1465         (Output_section::is_input_address_mapped,
1466         Output_section::output_offset, Output_section::output_address):
1467         Use output section data maps to speed up searching.
1468         (Output_section::find_starting_output_address): Add comments.
1469         (Output_section::do_write,
1470         Output_section::write_to_postprocessing_buffer): Do code-fill
1471         generation as appropriate.
1472         (Output_section::get_input_sections): Invalidate relaxed input section
1473         map.
1474         (Output_section::restore_states): Adjust type of checkpoint .
1475         Invalidate relaxed input section map.
1476         * output.h (Output_merge_base): New class declaration.
1477         (Input_section_specifier): New class defintion.
1478         (class Output_relaxed_input_section) Change base class to
1479         Output_section_data_build.
1480         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1481         base class initializer.
1482         (Output_section::add_relaxed_input_section): New method declaration.
1483         (Output_section::Input_section): Change visibility to protected.
1484         (Output_section::Input_section::relobj,
1485         Output_section::Input_section::shndx): Handle relaxed input sections.
1486         Output_section::input_sections) Change visibility to protected.  Also
1487         define overload to return a non-const pointer.
1488         (Output_section::Merge_section_properties): New class defintion.
1489         (Output_section::Merge_section_by_properties_map,
1490         Output_section::Output_section_data_by_input_section_map,
1491         Output_section::Relaxation_map): New types.
1492         (Output_section::relax_input_section): Rename method to
1493         Output_section::convert_input_sections_to_relaxed_sections and change
1494         interface to take a vector of relaxed section pointers.
1495         (Output_section::find_merge_section,
1496         Output_section::find_relaxed_input_section,
1497         Output_section::build_relaxation_map,
1498         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1499         New method declarations.
1500         (Output_section::merge_section_map_
1501         Output_section::merge_section_by_properties_map_,
1502         Output_section::relaxed_input_section_map_,
1503         Output_section::is_relaxed_input_section_map_valid_,
1504         Output_section::generate_code_fills_at_write_): New data members.
1505         * script-sections.cc
1506         (Output_section_element_input::set_section_addresses): Call
1507         current_data_size and addralign methods of relaxed input sections.
1508         (Orphan_output_section::set_section_addresses): Call current_data_size
1509         and addralign methods of relaxed input sections.
1510         * symtab.cc (Symbol_table::compute_final_value): Extract template
1511         from the body of Symbol_table::sized_finalize_symbol.
1512         (Symbol_table::sized_finalized_symbol): Call
1513         Symbol_table::compute_final_value.
1514         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1515         (Symbol_table::compute_final_value): New templated method declaration.
1516         * target.cc (Target::do_make_output_section): New method defintion.
1517         * target.h (Target::make_output_section): New method declaration.
1518         (Target::relax): Add more parameters for input objects, symbol table
1519         and layout.  Adjust call to do_relax.
1520         (Target::do_make_output_section): New method declaration.
1521         (Target::do_relax): Add parameters for input objects, symbol table
1522         and layout.
1523
1524 2009-10-09  Andrew Pinski  <[email protected]>
1525
1526         * pread.c: Include stdio.h.
1527
1528 2009-10-09  Andrew Pinski  <[email protected]>
1529
1530         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1531         defined.
1532
1533 2009-10-09  Andrew Pinski  <[email protected]>
1534
1535         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1536         Change read_shndx type to unsigned int.
1537         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1538         int.
1539         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1540         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1541         Change read_shndx type to unsigned int.
1542         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1543         int.
1544         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1545         * layout.cc (Layout::create_symtab_sections): Cast the result of
1546         local_symcount * symsize to off_t in the gold_assert.
1547
1548 2009-10-09  Viktor Kutuzov  <[email protected]>
1549
1550         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1551         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1552         R_ARM_BASE_ABS.
1553         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1554         (Arm_relocate_functions::thm_abs5): New function.
1555         (Arm_relocate_functions::abs12): New function.
1556         (Arm_relocate_functions::abs16): New function.
1557         (Arm_relocate_functions::base_abs): New function.
1558         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1559         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1560         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1561         R_ARM_BASE_ABS.
1562         (Scan::global): Likewise.
1563         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1564         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1565         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1566         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1567         R_ARM_BASE_ABS.
1568
1569 2009-10-09  Viktor Kutuzov  <[email protected]>
1570
1571         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1572         (Arm_relocate_functions::movt_prel): New function.
1573         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1574         (Arm_relocate_functions::thm_movt_prel): New function.
1575         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1576         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1577         (Scan::global, Relocate::relocate): Likewise.
1578         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1579
1580 2009-10-09  Mikolaj Zalewski  <[email protected]>
1581
1582         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1583         Incremental_checker.
1584         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1585         unsigned int.
1586         (class Incremental_inputs_header): New class.
1587         (Incremental_inputs_header_writer): Edit comment.
1588         (Incremental_inputs_entry): New class.
1589         (Incremental_inputs_entry_writer): Edit comment.
1590         (Sized_incremental_binary::do_find_incremental_inputs_section):
1591         Add *strtab_shndx parameter, fill it.
1592         (Sized_incremental_binary::do_check_inputs): New method.
1593         (Incremental_checker::can_incrementally_link_output_file): Use
1594         Sized_incremental_binary::check_inputs.
1595         (Incremental_inputs::report_command_line): Save command line in
1596         command_line_.
1597         * incremental.h:
1598         (Incremental_binary::find_incremental_inputs_section): New
1599         method.
1600         (Incremental_binary::do_find_incremental_inputs_section): Add
1601         strtab_shndx parameter.
1602         (Incremental_binary::do_check_inputs): New pure virtual method.
1603         (Sized_incremental_binary::do_check_inputs): Declare.
1604         (Incremental_checker::Incremental_checker): Add incremental_inputs
1605         parameter, use it to initialize incremental_inputs_.
1606         (Incremental_checker::incremental_inputs_): New field.
1607         (Incremental_checker::command_line): New method.
1608         (Incremental_checker::inputs): New method.
1609         (Incremental_checker::command_line_): New field.
1610
1611 2009-10-09  Mikolaj Zalewski  <[email protected]>
1612
1613         * incremental.cc: Include <cstdarg> and "target-select.h".
1614         (vexplain_no_incremental): New function.
1615         (explain_no_incremental): New function.
1616         (Incremental_binary::error): New method.
1617         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1618         method.
1619         (make_sized_incremental_binary): New function.
1620         (open_incremental_binary): New function.
1621         (can_incrementally_link_file): Add checks if output is ELF and has
1622         inputs section.
1623         * incremental.h: Include "elfcpp_file.h" and "output.h".
1624         (Incremental_binary): New class.
1625         (Sized_incremental_binary): New class.
1626         (open_incremental_binary): Declare.
1627         * object.cc (is_elf_object): Use
1628         elfcpp::Elf_recognizer::is_elf_file.
1629         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1630         * output.h (Output_file::filesize): New method.
1631
1632 2009-10-07  Viktor Kutuzov  <[email protected]>
1633
1634         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1635         New function.
1636         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1637         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1638         function.
1639         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1640         function.
1641         (Arm_relocate_functions::movw_abs_nc): New function.
1642         (Arm_relocate_functions::movt_abs): New function.
1643         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1644         (Arm_relocate_functions::thm_movt_abs): New function.
1645         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1646         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1647         (Scan::global): Likewise.
1648         (Relocate::relocate): Likewise.
1649         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1650
1651 2009-10-07  Viktor Kutuzov  <[email protected]>
1652
1653         * arm.cc (Arm_relocate_functions::got_prel) New function.
1654         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1655         (Relocate::relocate): Likewise.
1656         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1657
1658 2009-10-06  Ian Lance Taylor  <[email protected]>
1659
1660         * options.h (class General_options): Define
1661         split_stack_adjust_size parameter.
1662         * object.h (class Object): Add uses_split_stack_ and
1663         has_no_split_stack_ fields.  Add uses_split_stack and
1664         has_no_split_stack accessor functions.  Declare
1665         handle_split_stack_section.
1666         (class Reloc_symbol_changes): Define.
1667         (class Sized_relobj): Define Function_offsets.  Declare
1668         split_stack_adjust, split_stack_adjust_reltype, and
1669         find_functions.
1670         * object.cc (Object::handle_split_stack_section): New function.
1671         (Sized_relobj::do_layout): Call handle_split_stack_section.
1672         * dynobj.cc (Sized_dynobj::do_layout): Call
1673         handle_split_stack_section.
1674         * reloc.cc (Sized_relobj::relocate_sections): Call
1675         split_stack_adjust for executable sections in split_stack
1676         objects.  Pass reloc_map to relocate_section.
1677         (Sized_relobj::split_stack_adjust): New function.
1678         (Sized_relobj::split_stack_adjust_reltype): New function.
1679         (Sized_relobj::find_functions): New function.
1680         * target-reloc.h: Include "object.h".
1681         (relocate_section): Add reloc_symbol_changes parameter.  Change
1682         all callers.
1683         * target.h (class Target): Add calls_non_split method.  Declare
1684         do_calls_non_split virtual method.  Declare match_view and
1685         set_view_to_nop.
1686         * target.cc: Include "elfcpp.h".
1687         (Target::do_calls_non_split): New function.
1688         (Target::match_view): New function.
1689         (Target::set_view_to_nop): New function.
1690         * gold.cc (queue_middle_tasks): Give an error if mixing
1691         split-stack and non-split-stack objects with -r.
1692         * i386.cc (Target_i386::relocate_section): Add
1693         reloc_symbol_changes parameter.
1694         (Target_i386::do_calls_non_split): New function.
1695         * x86_64.cc (Target_x86_64::relocate_section): Add
1696         reloc_symbol_changes parameter.
1697         (Target_x86_64::do_calls_non_split): New function.
1698         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1699         parameter.
1700         * powerpc.cc (Target_powerpc::relocate_section): Add
1701         reloc_symbol_changes parameter.
1702         * sparc.cc (Target_sparc::relocate_section): Add
1703         reloc_symbol_changes parameter.
1704         * configure.ac: Call AM_CONDITIONAL for the default target.
1705         * configure: Rebuild.
1706         * testsuite/Makefile.am (TEST_AS): New variable.
1707         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1708         (check_DATA): Add split_i386 and split_x86_64 files.
1709         (SPLIT_DEFSYMS): Define.
1710         (split_i386_[1234n].o): New targets.
1711         (split_i386_[124]): New targets.
1712         (split_i386_[1234r].stdout): New targets.
1713         (split_x86_64_[1234n].o): New targets.
1714         (split_x86_64_[124]): New targets.
1715         (split_x86_64_[1234r].stdout): New targets.
1716         (MOSTLYCLEANFILES): Add new executables.
1717         * testsuite/split_i386.sh: New file.
1718         * testsuite/split_x86_64.sh: New file.
1719         * testsuite/split_i386_1.s: New file.
1720         * testsuite/split_i386_2.s: New file.
1721         * testsuite/split_i386_3.s: New file.
1722         * testsuite/split_i386_4.s: New file.
1723         * testsuite/split_i386_n.s: New file.
1724         * testsuite/split_x86_64_1.s: New file.
1725         * testsuite/split_x86_64_2.s: New file.
1726         * testsuite/split_x86_64_3.s: New file.
1727         * testsuite/split_x86_64_4.s: New file.
1728         * testsuite/split_x86_64_n.s: New file.
1729         * testsuite/testfile.cc (Target_test): Update relocation_section
1730         function.
1731         * testsuite/Makefile.in: Rebuild.
1732
1733 2009-10-06  Ian Lance Taylor  <[email protected]>
1734
1735         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1736         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1737         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1738         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1739         the address on ldo_addrs_.
1740         (Target_i386::Relocate::fix_up_ldo): New function.
1741
1742 2009-10-06   Rafael Espindola  <[email protected]>
1743
1744         * plugin.cc (add_input_library): New.
1745         (Plugin::load): Add add_input_library to tv.
1746         (Plugin_manager::add_input_file): Add the is_lib argument.
1747         (add_input_file): Update call to Plugin_manager::add_input_file.
1748         (add_input_library): New.
1749         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1750
1751 2009-09-30  Doug Kwan  <[email protected]>
1752
1753         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1754         symbol and call Symbol::may_need_copy_reloc to determine if
1755         a copy reloc is needed.
1756         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1757         nocopyreloc is given in command line.
1758         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1759         given in command line.
1760         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1761         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1762         of the removed Target_i386::may_need_copy_reloc.
1763         * options.h (copyreloc): New option with default value false.
1764         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1765         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1766         instead of the removed Target_powerpc::may_need_copy_reloc.
1767         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1768         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1769         instead of the removed Target_sparc::may_need_copy_reloc.
1770         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1771         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1772         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1773         instead of the removed Target_x86_64::may_need_copy_reloc.
1774
1775 2009-09-30  Ian Lance Taylor  <[email protected]>
1776
1777         * object.h (class Object): Remove target_ field, and target,
1778         sized_target, and set_target methods.
1779         (Object::sized_target): Remove.
1780         (class Sized_relobj): Update declarations.  Remove sized_target.
1781         * object.cc (Sized_relobj::setup): Remove target parameter.
1782         Change all callers.
1783         (Input_objects::add_object): Don't do anything with the target.
1784         (make_elf_sized_object): Add punconfigured parameter.  Change all
1785         callers.  Set or test parameter target.
1786         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1787         Change all callers.
1788         * parameters.cc (Parameters::set_target): Change parameter type to
1789         be non-const.
1790         (Parameters::default_target): Remove.
1791         (set_parameters_target): Change parameter type to be non-const.
1792         (parameters_force_valid_target): New function.
1793         (parameters_clear_target): New function.
1794         * parameters.h (class Parameters): Update declarations.  Remove
1795         default_target method.  Add sized_target and clear_target
1796         methods.  Change target_ to be non-const.
1797         (set_parameters_target): Update declaration.
1798         (parameters_force_valid_target): Declare.
1799         (parameters_clear_target): Declare.
1800         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1801         as NULL if we aren't searching.
1802         (Add_symbols::run): Don't check for compatible target.
1803         * fileread.cc (Input_file::open_binary): Call
1804         parameters_force_valid_target.
1805         * gold.cc (queue_middle_tasks): Likewise.
1806         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1807         set_target on object.
1808         * dynobj.h (class Sized_dynobj): Update declarations.
1809         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1810         make_elf_object returns NULL.
1811         (Archive::include_member): Don't check whether object target is
1812         compatible.
1813         * output.cc (Output_section::add_input_section): Get target from
1814         parameters.
1815         (Output_section::relax_input_section): Likewise.
1816         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1817         parameters.
1818         (Sized_relobj::do_scan_relocs): Likewise.
1819         (Sized_relobj::relocate_sections): Likewise.
1820         * resolve.cc (Symbol_table::resolve): Likewise.
1821         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1822         parameter.  Change all callers.
1823         (Symbol_table::add_from_object): Get target from parameters.
1824         (Symbol_table::add_from_relobj): Don't check object target.
1825         (Symbol_table::add_from_dynobj): Likewise.
1826         (Symbol_table::define_special_symbol): Get target from
1827         parameters.
1828         * symtab.h (class Symbol_table): Update declaration.
1829         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1830         parameter.  Change all callers.  Clear parameter target.
1831         (Binary_test): Test target here.
1832         * testsuite/object_unittest.cc (gold_testsuite): Remove
1833         target_test_pointer parameter.  Change all callers.
1834         (Object_test): Test target here.
1835
1836 2009-09-26  Ian Lance Taylor  <[email protected]>
1837
1838         * testsuite/initpri1.c: Don't try to use constructor priorities if
1839         compiling with gcc before 4.3.
1840
1841 2009-09-22  Mikolaj Zalewski  <[email protected]>
1842
1843         * testsuite/retain_symbols_file_test.sh (check_present): Change
1844         output file name to retain_symbols_file_test.stdout.
1845         (check_absent): Likewise.
1846
1847 2009-09-18  Craig Silverstein  <[email protected]>
1848
1849         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1850         * options.cc: Include <cerrno> and <fstream>.
1851         (General_options::finalize): Parse -retain-symbols-file tag.
1852         * options.h: New flag.
1853         (General_options): New method should_retain_symbol, new
1854         variable symbols_to_retain.
1855         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1856         should_retain_symbol map.
1857         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1858         * testsuite/Makefile.in: Regenerate.
1859         * testsuite/retain_symbols_file_test.sh: New file.
1860
1861 2009-09-18  Nick Clifton  <[email protected]>
1862
1863         * po/es.po: Updated Spanish translation.
1864
1865 2009-09-17  Doug Kwan  <[email protected]>
1866
1867         * debug.h (DEBUG_RELAXATION): New constant.
1868         (DEBUG_ALL): Add DEBUG_RELAXATION.
1869         (debug_string_to_enum): Add relaxation debug option.
1870         * layout.cc
1871         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1872         Layout::Relaxation_debug_check::read_sections,
1873         Layout::Relaxation_debug_check::read_sections): New method definitions.
1874         (Layout::Layout): Initialize data members
1875         record_output_section_data_from_scrips_,
1876         script_output_section_data_list_ and relaxation_debug_check_.
1877         (Layout::save_segments, Layout::restore_segments,
1878         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1879         Layout::relaxation_loop_body): New method definitions.
1880         (Layout::finalize): Support relaxation.  Move section layout code to
1881         Layout::relaxation_loop_body.
1882         (Layout::set_asection_address_from_script): Move code for orphan
1883         section placement out.
1884         (Layout::place_orphan_sections_in_script): New method definition.
1885         * layout.h (Output_segment_headers, Output_file_header):
1886         New forward class declarations.
1887         (Layout::~Layout): Define.
1888         (Layout::new_output_section_data_from_script): New method definition.
1889         (Layout::place_orphan_sections_in_script): New method declaration.
1890         (Layout::Segment_states): New type declaration.
1891         (Layout::save_segments, Layout::restore_segments,
1892         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1893         Layout::relaxation_loop_body): New method declarations.
1894         (Layout::Output_section_data_list): New type declaration.
1895         (Layout::Relaxation_debug_check): New class definition.
1896         (Layout::record_output_section_data_from_script_,
1897         Layout::script_output_section_data_list_, Layout::segment_states_,
1898         Layout::relaxation_debug_check_): New data members.
1899         * output.cc: (Output_section_headers::do_size): New method definition.
1900         (Output_section_headers::Output_section_headers): Move size
1901         computation to Output_section_headers::do_size.
1902         (Output_segment_headers::do_size): New method definition.
1903         (Output_file_header::Output_file_header): Move size computation to
1904         Output_file_header::do_size and call it.
1905         (Output_file_header::do_size): New method definition.
1906         (Output_data_group::Output_data_group): Adjust call to
1907         Output_section_data.
1908         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1909         (Output_symtab_xindex::do_write): Add array bound check.
1910         (Output_section::Input_section::print_to_mapfile): Handle
1911         RELAXED_INPUT_SECTION_CODE.
1912         (Output_section::Output_section): Initialize data member checkpoint_.
1913         (Output_section::~Output_section): Delete checkpoint object pointed
1914         by checkpoint_.
1915         (Output_section::add_input_section): Always add an Input_section if
1916         relaxing.
1917         (Output_section::add_merge_input_section): Add assert.
1918         (Output_section::relax_input_section): New method definition.
1919         (Output_section::set_final_data_size): Set load address to zero for
1920         an unallocated section.
1921         (Output_section::do_address_and_file_offset_have_reset_values):
1922         New method definition.
1923         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1924         Handle relaxed input section.
1925         (Output_section::sort_attached_input_sections): Checkpoint input
1926         section list lazily.
1927         (Output_section::get_input_sections): Change type of input_sections to
1928         list of Simple_input_section pointers.  Checkpoint input section list
1929         lazily.  Also handle relaxed input sections.
1930         (Output_section::add_input_section_for_script): Take a reference to
1931         a Simple_input_section object instead of Relobj pointer and section
1932         index as parameter.  Handle relaxed input sections.
1933         (Output_section::save_states, Output_section::restore_states): New
1934         method definitions.
1935         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1936         (Output_data::is_data_size_fixed): New method definition.
1937         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1938         if it is fixed.
1939         (Output_data::address_and_file_offset_have_reset_values): New method
1940         definition.
1941         (Output_data::do_address_and_file_offset_have_reset_values): New method
1942         definition.
1943         (Output_data::set_data_size): Check that data size is not fixed.
1944         (Output_data::fix_data_size): New method definition.
1945         (Output_data::is_data_size_fixed_): New data member.
1946         (Output_section_headers::set_final_data_size): New method definition.
1947         (Output_section_headers::do_size): New method declaration.
1948         (Output_segment_headers::set_final_data_size): New method definition.
1949         (Output_segment_headers::do_size): New method declaration.
1950         (Output_file_header::set_final_data_size)::New method definition.
1951         (Output_file_header::do_size)::New method declaration.
1952         (Output_section_data::Output_section_data): Add new parameter
1953         is_data_size_fixed and use it to fix data size.
1954         (Output_data_const::Output_data_const): Adjust call to base class
1955         constructor and fix data size.
1956         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1957         base class constructor and fix data size.
1958         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1959         base class constructor and fix data size.
1960         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1961         class constructor and fix data size.
1962         (Output_data_group::set_final_data_size): New method definition.
1963         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1964         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1965         class constructor and fix data size.
1966         (Output_relaxed_input_section): New class definition.
1967         (Output_section::Simple_input_section): New class definition.
1968         (Output_section::get_input_sections): Adjust parameter list.
1969         (Output_section::add_input_section_for_script): Same.
1970         (Output_section::save_states, Output_section::restore_states,
1971         Output_section::do_address_and_file_offset_have_reset_values,
1972         (Output_section::Input_section::Input_section): Handle
1973         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1974         Output_relaxed_input_section.
1975         (Output_section::Input_section::is_input_section,
1976         Output_section::Input_section::set_output_section): Handle relaxed
1977         input section.
1978         (Output_section::Input_section::is_relaxed_input_section,
1979         Output_section::Input_section::output_section_data,
1980         Output_section::Input_section::relaxed_input_section): New method
1981         definitions.
1982         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1983         value.
1984         (Output_section::Input_section::u1_): Update comments.
1985         (Output_section::Input_section::u2_): Add new union member poris.
1986         (Output_section::Checkpoint_output_section): New classs definition.
1987         (Output_section::relax_input_section): New method declaration.
1988         (Output_section::checkpoint_): New data member.
1989         (Output_segment): Update comments.
1990         (Output_segment::Output_segment): Un-privatize copy constructor.
1991         (Output_segment::operator=): Un-privatize.
1992         * script-sections.cc (Output_section_element::Input_section_list):
1993         Change element type to Output_section::Simple_input_section.
1994         (Output_section_element_dot_assignment::set_section_addresses):
1995         Register output section data for relaxation clean up.
1996         (Output_data_exression::Output_data_expression): Adjust call to base
1997         constructor to fix data size.
1998         (Output_section_element_data::set_section_addresses): Register
1999         Output_data_expression object for relaxation clean up.
2000         (struct Input_section_info): Replace Relobj pointer and section index
2001         pair with Output_section::Simple_input_section and Convert struct to a
2002         class.
2003         (Input_section_sorter::operator()): Adjust access to
2004         Input_section_info data member to use accessors.
2005         (Output_section_element_input::set_section_addresses): Use layout
2006         parameter.  Adjust code to use Output_section::Simple_input_section
2007         and Input_secction_info classes.  Register filler for relaxation
2008         clean up.
2009         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2010         and section index pair with Output_section::Simple_input_section
2011         class.  Adjust code accordingly.
2012         (Phdrs_element::release_segment): New method definition.
2013         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2014         segment list.
2015         (Script_sections::release_segments): New method definition.
2016         * gold/script-sections.h (Script_sections::release_segments): New
2017         method declaration.
2018         * gold/target.h (Target::may_relax, Target::relax,
2019         Target::do_may_relax, Target::do_relax): New method definitions.
2020
2021 2009-09-17  Viktor Kutuzov  <[email protected]>
2022
2023         * arm.cc (has_signed_unsigned_overflow): New function.
2024         (Arm_relocate_functions::abs8): New function.
2025         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2026         (Target_arm::Scan::global): Likewise.
2027         (Target_arm::relocate::relocate): Likewise.
2028         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2029         Likewise.
2030
2031 2009-09-16  Cary Coutant  <[email protected]>
2032
2033         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2034         * testsuite/Makefile.in: Regenerate.
2035
2036 2009-09-11  Nick Clifton  <[email protected]>
2037
2038         * po/gold.pot: Updated by the Translation project.
2039
2040 2009-09-08  Cary Coutant  <[email protected]>
2041
2042         * output.cc (Output_file::open): Add execute permission to empty file.
2043         * testsuite/Makefile.am (permission_test): New test.
2044         * testsuite/Makefile.in: Regenerate.
2045
2046 2009-09-02  Ian Lance Taylor  <[email protected]>
2047
2048         * output.cc (Output_file::resize): Call map_no_anonymous rather
2049         than map.
2050
2051 2009-09-01  Mikolaj Zalewski  <[email protected]>
2052
2053         * gold.cc: Include "incremental.h".
2054         (queue_initial_tasks): Call Incremental_checker methods.
2055         * incremental.cc: Include "output.h".
2056         (Incremental_checker::can_incrementally_link_output_file): New
2057         method.
2058         * incremental.h (Incremental_checker): New class.
2059
2060         * output.cc (Output_file::open_for_modification): New method.
2061         (Output_file::map_anonymous): Changed return type to bool.  Record
2062         map in base_ field.
2063         (Output_file::map_no_anonymous): New method, broken out of map.
2064         (Output_file::map): Use map_no_anonymous and map_anonymous.
2065         * output.h (class Output_file): Update declarations.
2066
2067 2009-08-24  Cary Coutant  <[email protected]>
2068
2069         * options.h (Command_line::Pre_options): New class.
2070         (Command_line::pre_options): New member.
2071         * options.cc (gold::options::ready_to_register): New variable.
2072         (One_option::register_option): Do nothing if not registering options.
2073         Assert if same short option registered twice.
2074         (General_options::General_options): Turn off option registration when
2075         done constructing.
2076         (Command_line::Pre_options::Pre_options): New constructor.
2077
2078 2009-08-24  Cary Coutant  <[email protected]>
2079
2080         * options.h (General_options::no_keep_memory): Remove incorrect
2081         short option.
2082
2083 2009-08-24  Ralf Wildenhues  <[email protected]>
2084
2085         * Makefile.am (am__skiplex, am__skipyacc): New.
2086         * Makefile.in: Regenerate.
2087
2088 2009-08-22  Ralf Wildenhues  <[email protected]>
2089
2090         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2091         (INCLUDES): ... this.
2092         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2093         (AM_CPPFLAGS): Renamed from ...
2094         (INCLUDE): ... this.
2095         * Makefile.in, testsuite/Makefile.in: Regenerate.
2096
2097         * Makefile.in: Regenerate.
2098         * aclocal.m4: Likewise.
2099         * config.in: Likewise.
2100         * configure: Likewise.
2101         * testsuite/Makefile.in: Likewise.
2102
2103         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2104         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2105         * Makefile.in: Regenerate.
2106         * testsuite/Makefile.in: Regenerate.
2107
2108 2009-08-19  Cary Coutant  <[email protected]>
2109
2110         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2111         symbols in shared libraries overridden by hidden or internal symbols
2112         in the main program.
2113
2114 2009-08-19  Chris Demetriou  <[email protected]>
2115
2116         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2117         checking source file names in error messages.
2118
2119 2009-08-18  Doug Kwan  <[email protected]>
2120
2121         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2122         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2123         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2124         an elfcpp::Ehdr as parameter.
2125         * object.cc (Object::set_target): Remove the version that looks up
2126         a target and sets it.
2127         (Sized_relobj::setup): Take a Target object instead of
2128         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2129         (make_elf_sized_object): Find target and ask target to
2130         make an ELF object.
2131         * object.h: (Object::set_target): Remove the version that looks up
2132         a target and sets it.
2133         (Sized_relobj::setup): Take a Target object instead of
2134         an elfcpp:Ehdr as parameter.
2135         * target.cc: Include dynobj.h.
2136         (Target::do_make_elf_object_implementation): New.
2137         (Target::do_make_elf_object): New.
2138         * target.h (Target::make_elf_object): New template declaration.
2139         (Target::do_make_elf_object): New method declarations.
2140         (Target::do_make_elf_object_implementation): New template declaration.
2141
2142 2009-08-14  Ian Lance Taylor  <[email protected]>
2143
2144         * gold.h (FUNCTION_NAME): Define.
2145         (gold_unreachable): Use FUNCTION_NAME.
2146
2147 2009-08-12  Sriraman Tallam  <[email protected]>
2148
2149         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2150         symbol in the --keep-unique list is not found.
2151
2152 2009-08-12  Sriraman Tallam  <[email protected]>
2153
2154         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2155         been maked as --keep-unique.
2156         (Icf::unfold_section): New function.
2157         * icf.h (Icf::unfold_section): New function.
2158         * options.h (General_options::keep_unique): New option.
2159         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2160         * testsuite/Makefile.in: Regenerate.
2161         * testsuite/icf_keep_unique_test.sh: New file.
2162         * testsuite/icf_keep_unique_test.cc: New file.
2163
2164 2009-08-12  Cary Coutant  <[email protected]>
2165
2166         PR 10471
2167         * resolve.cc (Symbol_table::resolve): Check for references from
2168         dynamic objects to hidden and internal symbols.
2169         * testsuite/Makefile.am (hidden_test.sh): New test.
2170         * testsuite/Makefile.in: Regenerate.
2171         * testsuite/hidden_test.sh: New script.
2172         * testsuite/hidden_test_1.c: New test source.
2173         * testsuite/hidden_test_main.c: New test source.
2174
2175 2009-08-11  Doug Kwan  <[email protected]>
2176
2177         * arm.cc: Update comments.
2178         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2179         segment to locate the .ARM.exidx section if present.
2180
2181 2009-08-09  Doug Kwan  <[email protected]>
2182
2183         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2184         patch.
2185
2186 2009-08-07  Sriraman Tallam  <[email protected]>
2187         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2188         compiler warnings.
2189
2190 2009-08-06  Sriraman Tallam  <[email protected]>
2191
2192         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2193         valid tls_segment only for non-debug-section relocations.
2194         * testsuite/Makefile.am: Add gc_tls_test.
2195         * testsuite/Makefile.in: Regenerate.
2196         * testsuite/gc_tls_test.cc: New file.
2197         * testsuite/gc_tls_test.sh: New file.
2198
2199 2009-08-05  Sriraman Tallam  <[email protected]>
2200
2201         * icf.cc: New file.
2202         * icf.h: New file.
2203         * Makefile.am (CCFILES): Add icf.cc.
2204         (HFILES): Add icf.h
2205         * Makefile.in: Regenerate.
2206         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2207         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2208         section, symbol and addend information for the relocs.
2209         * gold.cc (queue_middle_tasks): Call identical code folding.
2210         * gold.h: Add defines for multimap.
2211         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2212         to the call of finalize_local_symbols.
2213         * main.cc (main): Create object of class Icf.
2214         * object.cc (Sized_relobj::do_layout): Allow this function to be
2215         called twice during icf.
2216         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2217         to sections marked as identical by icf.
2218         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2219         when available.
2220         (Sized_relobj::do_section_entsize): New function.
2221         * object.h (Object::section_entsize): New function.
2222         (Object::do_section_entsize): New pure virtual function.
2223         (Relobj::finalize_local_symbols): Add new parameter.
2224         (Relobj::do_section_entsize): New function.
2225         * options.h (General_options::icf): New option.
2226         (General_options::icf_iterations): New option.
2227         (General_options::print_icf_sections): New option.
2228         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2229         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2230         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2231         icf.
2232         * symtab.cc (Symbol_table::is_section_folded): New function.
2233         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2234         to sections marked as identical by icf.
2235         * symtab.h (Symbol_table::set_icf): New function.
2236         (Symbol_table::icf): New function.
2237         (Symbol_table::is_section_folded): New function.
2238         (Symbol_table::icf_): New data member.
2239         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2240         * testsuite/Makefile.am: Add commands to build icf_test.
2241         * testsuite/Makefile.in: Regenerate.
2242         * testsuite/icf_test.sh: New file.
2243         * testsuite/icf_test.cc: New file.
2244
2245 2009-07-24  Chris Demetriou  <[email protected]>
2246
2247         * layout.cc (is_compressible_debug_section): Fix incorrect
2248         comment about compressed section names.
2249
2250 2009-07-20  Ian Lance Taylor  <[email protected]>
2251
2252         PR 10419
2253         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2254
2255 2009-07-16  Ian Lance Taylor  <[email protected]>
2256
2257         PR 10400
2258         * layout.h: #include <map>.
2259         (class Kept_section): Change from struct to class.  Add accessors
2260         and setters.  Add section size to Comdat_group mapping.  Change
2261         Comdat_group to std::map.  Add is_comdat_ field.  Add
2262         linkonce_size field in union.
2263         (class Layout): Update declaration of find_or_add_kept_section.
2264         Don't declare find_kept_object.
2265         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2266         parameter.  Add object, shndx, is_comdat, and is_group_name
2267         parameters.  Change all callers.  Adjust for new Kept_section.
2268         (Layout::find_kept_object): Remove.
2269         * object.cc (Sized_relobj::include_section_group): Update use of
2270         Kept_section.  Rename secnum to shndx.  Only record
2271         Kept_comdat_section if sections are the same size.
2272         (Sized_relobj::include_linkonce_section): Update use of
2273         Kept_section.  Only record Kept_comdat_section if sections are the
2274         same size.  Set size of linkonce section.
2275         (Sized_relobj::map_to_kept_section): Update call to
2276         get_kept_comdat_section.
2277         * object.h (class Sized_relobj): Rename fields in
2278         Kept_comdat_section to drop trailing underscores; change object
2279         field to Relobj*.  Change Kept_comdat_section_table to store
2280         struct rather than pointer.
2281         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2282         Add kept_object and kept_shndx parameters.  Change all callers.
2283         (Sized_relobj::get_kept_comdat_section): Change return type to
2284         bool.  Add kept_object and kept_shndx parameters.  Change all
2285         callers.
2286         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2287         Layout::find_or_add_kept_section.
2288
2289 2009-07-09  Ian Lance Taylor  <[email protected]>
2290
2291         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2292         Reserve space in the hash table.
2293
2294 2009-07-06  Mikolaj Zalewski  <[email protected]>
2295
2296         * fileread.cc (File_read::get_mtime): New method.
2297         * fileread.h (Timespec): New structure.
2298         (File_read::get_mtime): New method.
2299         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2300         Renamed from timestamp_nsec.
2301         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2302         Elf_Xword.
2303         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
2304         timestamp_nsec.
2305         (Incremental_inputs::report_archive): Save mtime; style fix.
2306         (Incremental_inputs::report_obejct): Save mtime; style fix.
2307         (Incremental_inputs::report_script): Save mtime; style fix.
2308         (Incremental_inputs::finalize_inputs): Style fix.
2309         (Incremental_inputs::finalize): Style fix.
2310         (Incremental_inputs::create_input_section_data): Store inputs
2311         mtime.
2312         * incremental.h (Incremental_inputs::report_script): Add mtime
2313         argument.
2314         (Incremental_inputs::Input_info::Input_info): Intialize only one
2315         union member.
2316         (Incremental_inputs::Input_info::archive): Move to nameless
2317         union.
2318         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2319         (Incremental_inputs::Input_info::script): Move to nameless union.
2320         (Incremental_inputs::mtime): New field.
2321         * script.cc (read_input_script): Pass file mtime to
2322         Incremental_input.
2323         * script.h (Script_info::inputs): Style fix.
2324
2325 2009-07-01  Ian Lance Taylor  <[email protected]>
2326
2327         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2328         instead of 32.
2329
2330 2009-06-24  Ian Lance Taylor  <[email protected]>
2331
2332         PR 10156
2333         * layout.cc (Layout::choose_output_section): If we find an
2334         existing section, update the flags.
2335         (Layout::create_notes): New function, broken out of
2336         Layout::finalize.
2337         (Layout::finalize): Don't create note sections.
2338         (Layout::create_note): Don't crash if linker script discards
2339         section.
2340         (Layout::create_gold_note): Likewise.
2341         (Layout::create_build_id): Likewise.  Don't set
2342         after_input_sections on the section.
2343         (Layout::create_executable_stack_info): Remove target parameter.
2344         Change caller.
2345         * layout.h (class Layout): Declare create_notes.  Update
2346         declaration of create_executable_stack_info.
2347         * gold.cc (queue_middle_tasks): Call create_notes.
2348         * output.cc (Output_section::update_flags_for_input_section): Move
2349         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2350         invalid.
2351         * output.h (Output_data::mark_address_invalid): New function.
2352         (class Output_section): Only declare, not define,
2353         update_flags_for_input_section.  Remove set_flags.
2354
2355 2009-06-24  Ian Lance Taylor  <[email protected]>
2356
2357         * script-sections.cc (Output_section_definition::
2358         set_section_addresses): Rename shadowing local load_address to
2359         laddr.
2360
2361 2009-06-24  Ian Lance Taylor  <[email protected]>
2362
2363         PR 10244
2364         * reloc.cc (relocate_sections): Skip empty relocation sections.
2365
2366 2009-06-23  Ian Lance Taylor  <[email protected]>
2367
2368         PR 10156
2369         * layout.cc (Layout::create_note): Use choose_output_section
2370         rather than make_output_section.
2371
2372 2009-06-23  Ian Lance Taylor  <[email protected]>
2373
2374         PR 10237
2375         * options.cc (General_options::parse_V): Set printed_version_.
2376         (General_options::General_options): Initialize printed_version_.
2377         * options.h (class General_options): Add printed_version_ field.
2378         * gold.cc (queue_initial_tasks): If there are no input files,
2379         don't give a fatal error if we printed the version information.
2380         (queue_middle_tasks): If using -r with a shared object, give a
2381         fatal error rather than an ordinary error.
2382
2383 2009-06-23  Ian Lance Taylor  <[email protected]>
2384
2385         PR 10219
2386         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2387         (Layout::make_output_section): Set have_stabstr_section_ if we see
2388         a .stab*str section.
2389         (Layout::finalize): Call link_stabs_sections.
2390         (Layout::link_stabs_sections): New file.
2391         * layout.h (class Layout): Add have_stabstr_section_ field.
2392         Declare link_stabs_sections.
2393
2394 2009-06-23  Doug Kwan  <[email protected]>
2395
2396         * Makefile.am (libgold_a_LIBADD): New.
2397         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2398         * Makefile.in: Regenerate.
2399         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2400         * configure: Regenerate.
2401         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2402         * fileread.cc: Include sys/state.h
2403         * gold.h: Declare memmem and strndup if found missing.
2404         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2405
2406 2009-06-23  Ian Lance Taylor  <[email protected]>
2407
2408         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2409         * configure: Rebuild.
2410
2411 2009-06-23  Ian Lance Taylor  <[email protected]>
2412
2413         PR 10147
2414         * object.cc (Object::section_contents): Don't try to get a view if
2415         the section has length zero.
2416         (Object::handle_gnu_warning_section): If the section is empty, use
2417         the name of the section as the warning.
2418
2419 2009-06-23  Ian Lance Taylor  <[email protected]>
2420
2421         PR 10133
2422         * stringpool.h (class Stringpool_template): Add optimize_ field.
2423         (Stringpool_template::set_optimize): New function.
2424         * stringpool.cc (Stringpool_template::Stringpool_template):
2425         Initialize optimize_ field.
2426         (Stringpool_template::set_string_offsets): Test local optimize
2427         fild rather than parameter.
2428         * layout.cc (Layout::Layout): Call set_optimize on the section
2429         name stringpool.
2430
2431 2009-06-22  Ian Lance Taylor  <[email protected]>
2432
2433         PR 10030
2434         * yyscript.y: Parse TARGET.
2435         * script.cc (script_set_target): New function.
2436         * script-c.h (script_set_target): Declare.
2437         * options.cc (General_options::string_to_object_format): Rename
2438         from string_to_object_format in anonymous namespace.  Change
2439         callers.
2440         * options.h (class General_options): Declare
2441         string_to_object_format.
2442
2443 2009-06-22  Ian Lance Taylor  <[email protected]>
2444
2445         * script-sections.cc (Script_sections::create_segments): Don't put
2446         program headers in a PT_LOAD segment if -n or -N.
2447
2448 2009-06-22  Ian Lance Taylor  <[email protected]>
2449
2450         PR 10141
2451         * options.h (class General_options): Add -z lazy and -z now.  Sort
2452         -z options into alphabetical order.
2453         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2454
2455 2009-06-21  Ian Lance Taylor  <[email protected]>
2456
2457         * layout.cc (Layout::make_output_section): Call
2458         Target::new_output_section.
2459         (Layout::attach_allocated_section_to_segment): Put large section
2460         sections in a separate load segment with the large segment flag
2461         set.
2462         (Layout::segment_precedes): Sort large data segments after other
2463         load segments.
2464         (align_file_offset): New static function.
2465         (Layout::set_segment_offsets): Use align_file_offset.
2466         * output.h (class Output_section): Add is_small_section_ and
2467         is_large_section_ fields.
2468         (Output_section::is_small_section): New function.
2469         (Output_section::set_is_small_section):  New function.
2470         (Output_section::is_large_section): New function.
2471         (Output_section::set_is_large_section): New function.
2472         (Output_section::is_large_data_section): New function.
2473         (class Output_segment): Add is_large_data_segment_ field.
2474         (Output_segment::is_large_data_segment): New function.
2475         (Output_segment::set_is_large_data_segment): New function.
2476         * output.cc (Output_section::Output_section): Initialize new
2477         fields.
2478         (Output_segment::Output_segment): Likewise.
2479         (Output_segment::add_output_section): Add assertion that large
2480         data sections always go in large data segments.  Force small data
2481         sections to the end of the list of data sections.  Force small BSS
2482         sections to the start of the list of BSS sections.  For large BSS
2483         sections to the end of the list of BSS sections.
2484         * symtab.h (class Symbol): Declare is_common_shndx.
2485         (Symbol::is_defined): Check Symbol::is_common_shndx.
2486         (Symbol::is_common): Likewise.
2487         (class Symbol_table): Define enum Commons_section_type.  Update
2488         declarations.  Add small_commons_ and large_commons_ fields.
2489         * symtab.cc (Symbol::is_common_shndx): New function.
2490         (Symbol_table::Symbol_table): Initialize new fields.
2491         (Symbol_table::add_from_object): Put small and large common
2492         symbols in the right list.
2493         (Symbol_table::sized_finalized_symbol): Check
2494         Symbol::is_common_shndx.
2495         (Symbol_table::sized_write_globals): Likewise.
2496         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2497         common symbol lists.  Don't call do_allocate_commons_list if the
2498         list is empty.
2499         (Symbol_table::do_allocate_commons_list): Remove is_tls
2500         parameter.  Add comons_section_type parameter.  Change all
2501         callers.  Handle small and large common symbols.
2502         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2503         Symbol::is_common_shndx.
2504         * resolve.cc (symbol_to_bits): Likewise.
2505         * target.h (Target::small_common_shndx): New function.
2506         (Target::small_common_section_flags): New function.
2507         (Target::large_common_shndx): New function.
2508         (Target::large_common_section_flags): New function.
2509         (Target::new_output_section): New function.
2510         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2511         small_common_section_flags, and large_common_section_flags
2512         fields.
2513         (Target::do_new_output_section): New virtual function.
2514         * arm.cc (Target_arm::arm_info): Initialize new fields.
2515         * i386.cc (Target_i386::i386_info): Likewise.
2516         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2517         Likewise.
2518         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2519         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2520         (Target_x86_64::do_new_output_section): New function.
2521         * configure.ac: Define conditional MCMODEL_MEDIUM.
2522         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2523         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2524         (large_LDFLAGS): Define.
2525         * testsuite/large.c: New file.
2526         * testsuite/testfile.cc (Target_test::test_target_info):
2527         Initialize new fields.
2528         * configure, testsuite/Makefile.in: Rebuild.
2529
2530 2009-06-05  Doug Kwan  <[email protected]>
2531
2532         * Makefile.am (CCFILES): Add target.cc.
2533         * Makefile.in: Regenerate.
2534         * i386.cc (class Target_i386): Define new virtual method to
2535         override do_is_local_label_name in parent.
2536         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2537         local symbols if --discard-locals or -X is given.
2538         * options.h (class General_options): Declare new options
2539         '--discard-locals' and '-X' for discarding locals.
2540         * target.h (class Target): Define new methods is_local_label_name.
2541         Declare new virtual method do_is_local_label_name.
2542         * target.cc: New file.
2543         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2544         (check_SCRIPTS): Add discard_locals_test.sh.
2545         (check_DATA): Add discard_local_tests.syms.
2546         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2547         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2548         * testsuite/Makefile.in: Regenerate.
2549         * testsuite/discard_locals_test.c: New file.
2550         * testsuite/discard_locals_test.sh: Same.
2551
2552 2009-06-05  Doug Kwan  <[email protected]>
2553
2554         * object.cc (Sized_relobj::Sized_relobj): Initialize
2555         discarded_eh_frame_shndx_ to -1U.
2556         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2557         section.
2558         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2559         a discarded .eh_frame section.
2560         (Sized_relobj::do_finalize_local_symbols): Ditto.
2561         * object.h (class Sized_relobj): Declare new member
2562         discarded_eh_frame_shndx_.
2563         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2564         (local_labels_test.o, local_labels_test): New rules.
2565         * testsuite/Makefile.in: Regenerate.
2566
2567 2009-06-04  Doug Kwan  <[email protected]>
2568
2569         * layout.cc (Layout::section_name_mapping): Add mapping for
2570         special ARM sections.
2571
2572 2009-06-03  Doug Kwan  <[email protected]>
2573
2574         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2575         (utils::has_overflow): Same.
2576
2577 2009-06-03  Ian Lance Taylor  <[email protected]>
2578
2579         * layout.cc (Layout::section_name_mapping): New array, replacing
2580         Layout::linkonce_mapping.
2581         (Layout::section_name_mapping_count): New variable, replacing
2582         Layout::linkonce_mapping_count.
2583         (Layout::linkonce_output_name): Remove.
2584         (Layout::output_section_name): Rewrite.
2585         * layout.h (class Layout): Rename Linkonce_mapping to
2586         Section_name_mapping, linkonce_mapping to section_name_mapping,
2587         linkonce_mapping_count to section_name_mapping_count.  Don't
2588         declare linkonce_output_name.
2589
2590 2009-06-03  Doug Kwan  <[email protected]>
2591
2592         * gold/arm.cc (namespace utils): New.
2593         (Target_arm::reloc_is_non_pic): Define new method.
2594         (class Arm_relocate_functions): New.
2595         (Target_arm::Relocate::relocate): Handle relocation types used by
2596         Android.
2597
2598 2009-06-03  Ian Lance Taylor  <[email protected]>
2599
2600         * arm.cc (Target_arm::scan::global): Use || instead of |.
2601
2602 2009-06-02  Doug Kwan  <[email protected]>
2603
2604         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2605         issued_non_pic_error_.
2606         (class Target_arm::Scan): Declare new method check_non_pic.
2607         Define new method symbol_needs_plt_entry.
2608         Declare new data member issued_non_pic_error_.
2609         (class Target_arm::Relocate): Declare new method
2610         should_apply_static_reloc.
2611         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2612         (Target_arm::Scan::check_non_pic): Define new method.
2613         (Target_arm::Scan::local): Handle a small subset of reloc types used
2614         by Android.
2615         (Target_arm::Scan::local): Same.
2616         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2617
2618 2009-05-31  Mikolaj Zalewski  <[email protected]>
2619
2620         * incremental.cc (Incremental_inputs::report_command_line): Filter
2621         out --incremental-* options.
2622
2623 2009-05-29  Doug Kwan  <[email protected]>
2624
2625         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2626         template class.
2627         (class Target_arm): Update comment.
2628         (Target_arm::Target_arm): Initialize new data members GOT_,
2629         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2630         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2631         and Target_arm::rel_dyn_section.
2632         Declare new_enum Target_arm::Got_type.
2633         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2634         and DYNBSS_.
2635         Update commments for member do_dynsym_value.
2636         (Target_arm::got_size, Target_arm::plt_section,
2637         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2638         new methods inside class defintion.
2639         (Target_arm::got_section): Define new method.
2640         (Target_arm::rel_dyn_section): Same.
2641         (Output_data_plt_arm): New template class.
2642         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2643         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2644         (Output_data_plt_arm::add_entry): Same.
2645         (Output_data_plt_arm::first_plt_entry): Define new
2646         static data member for PLT instruction template.
2647         (Output_data_plt_arm::plt_entry): Same.
2648         (Output_data_plt_arm::do_write): Define new method.
2649         (Target_arm::make_plt_entry): Same.
2650         (Target_arm::do_finalize_sections): Same.
2651         (Target_arm::do_dynsym_value): Same.
2652
2653 2009-05-28  Doug Kwan  <[email protected]>
2654
2655         * Makefile.am (TARGETSOURCES): Add arm.cc.
2656         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2657         * Makefile.in: Regenerate.
2658         * arm.cc: New file.
2659         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2660
2661 2009-05-26  Doug Kwan  <[email protected]>
2662
2663         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2664         (General_options::check_excluded_libs): Strip off directories in
2665         archive name before matching like GNU ld does.
2666         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2667         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2668         (exclude_libs_test_LDFLAGS): Add linker option
2669         -Wl,--exclude-libs,libexclude_libs_test_3
2670         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2671         an explicit archive without using -l.
2672         (alt/libexclude_libs_test_3.a): New make rule.
2673         * testsuite/Makefile.in: Regenerate.
2674         * testsuite/exclude_libs_test.c : Declare lib3_default().
2675         (main): Call it.
2676         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2677         * exclude_libs_test_3.c: New file.
2678
2679 2009-05-26  Nick Clifton  <[email protected]>
2680
2681         * po/id.po: New Indonesian translation.
2682         * po/gold.pot: Updated template file.
2683
2684 2009-05-22  Sriraman Tallam  <[email protected]>
2685
2686         * testsuite/Makefile.am: Add -ffunction-sections to compile
2687         gc_comdat_test files.  Add -Wl,--gc-sections to build
2688         gc_comdat_test.
2689         * testsuite/Makefile.in: Regenerate.
2690         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2691
2692 2009-05-21  Sriraman Tallam  <[email protected]>
2693
2694         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2695         kept comdat section was garbage collected.
2696         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2697         * testsuite/Makefile.in: Regenerate.
2698         * testsuite/gc_comdat_test.sh: New file.
2699         * testsuite/gc_comdat_test_1.cc: New file.
2700         * testsuite/gc_comdat_test_2.cc: New file.
2701
2702 2009-05-19  Doug Kwan  <[email protected]>
2703
2704         * archive.cc (Archive::Archive): Move constructor from archive.h
2705         to here.  Initialize no_export_.
2706         (Archive::get_elf_object_for_member): Set no_export flag of object.
2707         * archive.h (Archive::Archive): Move constructor body to
2708         archive.cc.
2709         (Archive::no_export): New method.
2710         (Archive::no_export_): New field.
2711         * object.h (Object::Object): Initialize no_export_ to false.
2712         (Object::no_export, Object::set_no_export): New methods.
2713         (Object::no_export_): New field.
2714         * options.cc (General_options::parse_exclude_libs): New method.
2715         (General_options::check_excluded_libs) Same.
2716         * options.h (exclude_libs): New option.
2717         (General_options::check_excluded_libs): New method declaration.
2718         (General_options::excluded_libs_): New field.
2719         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2720         default or protected visibility if an object has no-export flag set.
2721         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2722         (check_SCRIPTS): Add exclude_libs_test.sh.
2723         (check_DATA): Add exclude_libs_test.syms.
2724         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2725         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2726         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2727         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2728         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2729         libexclude_libs_test_2.a): New rules.
2730         * testsuite/Makefile.in: Regenerate.
2731         * testsuite/exclude_libs_test.c: New file.
2732         * testsuite/exclude_libs_test.sh: Ditto.
2733         * testsuite/exclude_libs_test_1.c: Ditto.
2734         * testsuite/exclude_libs_test_2.c: Ditto.
2735
2736 2009-05-15  Ian Lance Taylor  <[email protected]>
2737
2738         * configure.ac: Check for declarations for cases where libiberty.h
2739         checks HAVE_DECL_xxx.
2740         * configure, config.in: Rebuild.
2741
2742 2009-05-15  Mikolaj Zalewski  <[email protected]>
2743
2744         * gold.h (Incremental_argument_list): Remove (invalid) forward
2745         declaration.
2746         * incremental.cc (Incremental_inputs::report_achive): New method.
2747         (Incremental_inputs::report_object): New method.
2748         (Incremental_inputs::report_script): New method.
2749         (Incremental_inputs::finalize_inputs): New method.
2750         (Incremental_inputs::finalize): Call finalize_inputs().
2751         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2752         Create inputs entries.
2753         * incremental.h (Incremental_input_type): New enum.
2754         (Incremental_inputs::Incremental_input): Initialize new fields.
2755         (Incremental_inputs::report_inputs): New method.
2756         (Incremental_inputs::report_achive): New method.
2757         (Incremental_inputs::report_object): New method.
2758         (Incremental_inputs::report_script): New method.
2759         (Incremental_inputs::finalize_inputs): New method.
2760         (Incremental_inputs::Input_info): New struct.
2761         (Incremental_inputs::Input_info_map): New typedef.
2762         (Incremental_inputs::lock_): New field.
2763         (Incremental_inputs::Inputs_): New field.
2764         (Incremental_inputs::Inputs_map): New field.
2765         * main.cc (main): Call Incremental_input::report_inputs.
2766         * options.h (Input_argument_list): Typedef moved from
2767         Input_arguments.
2768         (Input_file_group::Files): Remove, use ::Input_argument_list.
2769         (Input_file_group::Input_argument_list): Remove, use
2770         ::Input_argument_list.
2771         * plugin.cc (Plugin_manager::add_input_file): Add error in
2772         incremental build.
2773         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2774         functions.
2775         * script.cc (read_input_script): Call
2776         Incremental_input::report_script.
2777         * script.h (Script_info): New class.
2778
2779 2009-04-27  Ian Lance Taylor  <[email protected]>
2780
2781         * x86_64.cc (do_adjust_output_section): Set entsize to
2782         plt_entry_size.
2783
2784 2009-04-23  Elliott Hughes  <[email protected]>
2785
2786         * output.cc (Output_file::close): After short writes, continue
2787         writing from the correct offset in the buffer being written.
2788
2789 2009-04-23  Chris Demetriou  <[email protected]>
2790
2791         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2792         * configure: Regenerate.
2793         * config.in: Regenerate.
2794         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2795         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2796
2797 2009-04-21  Mikolaj Zalewski  <[email protected]>
2798
2799         * incremental.cc (Incremental_inputs_header_data): Renamed from
2800         Incremental_input_header_data.
2801         (Incremental_inputs_header_data::data_size): New field.
2802         (Incremental_inputs_header_data::put_input_file_count): Renamed
2803         from input_file_count.
2804         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2805         from command_line_offset.
2806         (Incremental_inputs_header_data::put_reserved): Renamed from
2807         put_reserved.
2808         (Incremental_inputs_entry_data): Renamed from
2809         Incremental_input_entry_data.
2810         (Incremental_inputs_entry_data::data_size): New field.
2811         (Incremental_inputs::report_command_line): New method.
2812         (Incremental_inputs::finalize): New method.
2813         (Incremental_inputs::create_incremental_inputs_data): New method.
2814         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2815         * incremental.h: New file.
2816         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2817        (Layout::finalize): Create incremental inputs section in
2818         incremental builds.
2819        (Layout::create_incremental_info_sections): New method.
2820         * layout.h (Layout::incremental_inputs): New method.
2821        (Layout::create_incremental_info_sections): New method.
2822        (Layout::incremental_inputs_): New field.
2823         * main.cc (main): Notify Incremental_input of the command line.
2824
2825 2009-04-01  Ian Lance Taylor  <[email protected]>
2826             Mikolaj Zalewski  <[email protected]>
2827
2828         * gold.h (reserve_unordered_map): Define, three versions, one for
2829         each version of Unordered_map.
2830         * layout.cc (Layout::Layout): Remove options parameter.  Add
2831         number_of_input_files parameter.  Don't initialize options_.
2832         Initialize number_of_input_files_ and resized_signatures_.  Move
2833         sections_are_attached_.
2834         (Layout::layout_group): Reserve space for group_signatures_.
2835         (Layout::find_or_add_kept_section): Change name parameter to be a
2836         reference.  Resize signatures_ map when it gets large enough.
2837         (Layout::layout_eh_frame): Use parameters->options() instead of
2838         this->options_.
2839         (Layout::make_output_section): Likewise.
2840         (Layout::attach_allocated_section_to_segment): Likewise.
2841         (Layout::finalize, Layout::create_executable_stack): Likewise.
2842         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2843         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2844         * layout.h (class Layout): Update declarations.  Remove options_
2845         field.  Add number_of_input_files_ and resized_signatures_
2846         fields.  Move sections_are_attached_ field.
2847         * main.cc (main): Pass number of input files to Layout
2848         constructor.  Don't pass options.
2849
2850 2009-03-30  Ian Lance Taylor  <[email protected]>
2851
2852         * ffsll.c (ffsll): Correct implementation.
2853
2854 2009-03-27  Ian Lance Taylor  <[email protected]>
2855
2856         * ffsll.c: New file.
2857         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2858         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2859         * ftruncate.c (ftruncate): Declare before definition.
2860         * mremap.c (mremap): Likewise.
2861         * pread.c (pread): Likewise.
2862         * configure, Makefile.in, config.in: Rebuild.
2863
2864         * mremap.c: New file.
2865         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2866         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2867         (mremap): Declare if HAVE_MREMAP is not defined.
2868         * configure, Makefile.in, config.in: Rebuild.
2869
2870 2009-03-27  Cary Coutant  <[email protected]>
2871
2872         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2873         position independent.
2874         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2875         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2876
2877 2009-03-24  Cary Coutant  <[email protected]>
2878
2879         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2880         an executable.
2881         (needs_dynamic_reloc): Likewise.
2882
2883 2009-03-24  Ian Lance Taylor  <[email protected]>
2884
2885         * yyscript.y (file_cmd): Recognize EXTERN.
2886         (extern_name_list, extern_name_list_body): New nonterminals.
2887         * script.cc (script_add_extern): Define.
2888         * script-c.h (script_add_extern): Declare.
2889
2890 2009-03-24  Rafael Avila de Espindola  <[email protected]>
2891
2892         * object.cc (is_elf_object): Define.
2893         * object.h (is_elf_object): Declare.
2894         * archive.cc (Archive::get_elf_object_for_member): Call
2895         is_elf_object.
2896         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2897
2898 2009-03-24  Elliott Hughes  <[email protected]>
2899
2900         * output.cc (Output_file::map_anonymous): Define.
2901         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2902         try an anonymous one.  Report the size if the mmap fails.
2903         * output.h (class Output_file): Declare map_anonymous.
2904
2905 2009-03-24  Ian Lance Taylor  <[email protected]>
2906
2907         * target-select.cc (instantiate_target): Don't acquire the lock if
2908         the instantiated_target_ field has already been set.
2909
2910 2009-03-23  Ian Lance Taylor  <[email protected]>
2911
2912         * gold-threads.h (class Initialize_lock): Define.
2913         * gold-threads.cc (class Initialize_lock_once): Define.
2914         (initialize_lock_control): New static variable.
2915         (initialize_lock_pointer): New static variable.
2916         (initialize_lock_once): New static function.
2917         (Initialize_lock::Initialize_lock): Define.
2918         (Initialize_lock::initialize): Define.
2919         * target-select.h: Include "gold-threads.h".
2920         (class Target_selector): Add lock_ and initialize_lock_ fields.
2921         Don't define instantiate_target, just declare it.
2922         * target-select.cc (Target_selector::Target_selector): Initialize
2923         new fields.
2924         (Target_selector::instantiate_target): Define.
2925         * descriptors.h: Include "gold-threads.h".
2926         (class Descriptors): Add initialize_lock_ field.
2927         * descriptors.cc (Descriptors::Descriptors): Initialize new
2928         field.
2929         (Descriptors::open): Use initialize_lock_ field
2930         * errors.h (class Errors): Add initialize_lock_ field.
2931         * errors.cc (Errors::Errors): Initialize new field.
2932         (Errors::initialize_lock): Use initialize_lock_ field.
2933         * powerpc.cc (class Target_selector_powerpc): Remove
2934         instantiated_target_ field.  In do_recognize call
2935         instantiate_target rather than do_instantiate_target.  In
2936         do_instantiate_target just allocate a new target.
2937         * sparc.cc (class Target_selector_sparc): Likewise.
2938
2939         * freebsd.h: New file.
2940         * i386.cc: Include "freebsd.h".
2941         (Target_i386): Derive from Target_freebsd rather than
2942         Sized_target.
2943         (Target_selector_i386): Derive from Target_selector_freebsd rather
2944         than Target_selector.
2945         * x86_64.cc: Include "freebsd.h".
2946         (Target_x86_64): Derive from Target_freebsd rather than
2947         Sized_target.
2948         (Target_selector_x86_64): Derive from Target_selector_freebsd
2949         rather than Target_selector.
2950         * target.h (class Target): Add adjust_elf_header and
2951         do_adjust_elf_header.
2952         * output.cc (Output_file_header:: do_sized_write): Call target
2953         adjust_elf_header routine.
2954         * configure.tgt: Set targ_osabi.
2955         * configure.ac: Define GOLD_DEFAULT_OSABI.
2956         * parameters.cc (Parameters::default_target): Pass
2957         GOLD_DEFAULT_OSABI to select_target.
2958         * target-select.h (class Target_selector): Make instantiate_target
2959         protected rather than private.
2960         * Makefile.am (HFILES): Add freebsd.h.
2961         * configure, Makefile.in, config.in: Rebuild.
2962
2963         * merge.cc (do_add_input_section): Correct pend value.  Change
2964         message about last entry not being null terminated from error to
2965         warning.
2966
2967 2009-03-20  Mikolaj Zalewski  <[email protected]>
2968
2969         * incremental.cc: New file.
2970         * Makefile.am (CCFILES): Add incremental.cc.
2971         * Makefile.in: Rebuild.
2972
2973 2009-03-19  Paul Pluzhnikov  <[email protected]>
2974
2975         * layout.cc (Layout::output_section_name): Preserve names
2976         of '.note.' sections.
2977
2978 2009-03-19  Ian Lance Taylor  <[email protected]>
2979
2980         * descriptors.cc (Descriptors::open): Check that the options are
2981         valid before using them.
2982
2983 2009-03-18  Ian Lance Taylor  <[email protected]>
2984
2985         * script-sections.h: Include <list>.
2986         (class Script_sections): Change Sections_elements from std::vector
2987         to std::list.  Typedef public Elements_iterator.  Add
2988         orphan_section_placement_, data_segment_align_start_, and
2989         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2990         field.
2991         * script-sections.cc (class Orphan_section_placement): New class.
2992         (class Sections_element): Add virtual functions is_relro and
2993         orphan_section_init.  Remove virtual function place_orphan_here.
2994         (class Output_section_definition): Add is_relro and
2995         orphan_section_init.  Remove place_orphan_here.
2996         (class Orphan_output_section): Likewise.
2997         (Script_sections::Script_sections): Update for field changes.
2998         (Script_sections::data_segment_align): Set saw_data_segment_align_
2999         and data_segment_align_start_, not data_segment_align_index.
3000         (Script_sections::data_segment_relro_end): Check
3001         saw_data_segment_align_.  Use data_segment_align_start_ rather
3002         than data_segment_align_index_.
3003         (Script_sections::place_orphan): Rewrite to use
3004         Orphan_section_placement.
3005
3006 2009-03-17  Ian Lance Taylor  <[email protected]>
3007
3008         * archive.cc (Archive::add_symbols): Check for a version attached
3009         to the symbol name in the archive map.
3010         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3011         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3012         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3013         (ver_test_11.a): New target.
3014         * testsuite/Makefile.in: Rebuild.
3015
3016         * configure.ac: Check for chsize and posix_fallocate.  Replace
3017         ftruncate.
3018         * ftruncate.c: New file, from gnulib.
3019         * output.cc (posix_fallocate): Define dummy version if not
3020         HAVE_POSIX_FALLOCATE.
3021         (Output_file::map): Call posix_fallocate rather than lseek and
3022         write.
3023         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3024         * configure, Makefile.in, config.in: Rebuild.
3025
3026 2009-03-17  Paul Pluzhnikov  <[email protected]>
3027
3028         * layout.h (Layout::create_note): Add section_name parameter.
3029         * layout.cc (Layout::create_note): Likewise.
3030         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3031
3032 2009-03-17  Ian Lance Taylor  <[email protected]>
3033
3034         * descriptors.cc: Include "options.h".
3035         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3036         (Descriptors::open): Always use O_CLOEXEC when opening a new
3037         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3038         then set FD_CLOEXEC.
3039
3040         * sparc.cc (class Target_sparc): Add has_got_section.
3041         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3042         make sure we have a GOT section.
3043
3044         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3045         (Target_sparc::Scan::local): Likewise.
3046         (Target_sparc::Scan::global): Likewise.
3047         (Target_sparc::Relocate::relocate): Likewise.
3048         (Target_sparc::Relocate::relocate_tls): Likewise.
3049
3050         * symtab.cc (Symbol_table::define_default_version): New function,
3051         broken out of add_from_object.
3052         (Symbol_table::add_from_object): Call define_default_version.
3053         (Symbol_table::define_special_symbol): Add resolve_oldsym
3054         parameter.  Change all callers.  If the version for a symbol comes
3055         from a version script, resolve it with the symbol with the same
3056         name with no version.  Also add the symbol without a version if
3057         appropriate.
3058         (do_define_in_output_data): If resolving with oldsym, don't delete
3059         sym.
3060         (do_define_in_output_segment): Likewise.
3061         (do_define_as_constant): Likewise.
3062         * symtab.h (class Symbol_table): Update declarations.
3063
3064 2009-03-13  Ian Lance Taylor  <[email protected]>
3065
3066         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3067         (Read_symbols::requeue): New function.
3068         (Read_symbols::do_read_symbols): If make_elf_object fails because
3069         the target type is not configured, and the file was searched for,
3070         issue a warning and retry with the next directory.
3071         (Add_symbols::run): If the file has an incompatible format, and
3072         it was searched for, requeue the Read_symbols task.  On error,
3073         release the object.
3074         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3075         dirindex parameter to constructor.  Change all callers.  Declare
3076         incompatible_warning and requeue.
3077         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3078         input_argument_ and input_group_ fields.  Add them to
3079         constructor.  Change all callers.
3080         (class Read_script): Add dirindex_ field.  Add it to constructor.
3081         Change all callers.
3082         * archive.cc (Archive::setup): Remove input_objects parameter.
3083         Change all callers.
3084         (Archive::get_file_and_offset): Likewise.
3085         (Archive::read_all_symbols): Likewise.
3086         (Archive::read_symbols): Likewise.
3087         (Archive::get_elf_object_for_member): Remove input_objects
3088         parameter.  Add punconfigured parameter.  Change all callers.
3089         (Archive::add_symbols): Change return type to bool.  Check return
3090         value of include_member.
3091         (Archive::include_all_members): Likewise.
3092         (Archive::include_member): Change return type to bool.  Return
3093         false if first included object has incompatible target.  Set
3094         included_member_ field.
3095         (Add_archive_symbols::run): If add_symbols returns false, requeue
3096         Read_symbols task.
3097         * archive.h (class Archive): Add included_member_ field.
3098         Initialize it in constructor.  Add input_file and searched_for
3099         methods.  Update declarations.
3100         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3101         input_argument_ fields.  Add them to constructor.  Change all
3102         callers.
3103         * script.cc: Include "target-select.h".
3104         (class Parser_closure): Add skip_on_incompatible_target_ and
3105         found_incompatible_target_ fields.  Add
3106         skip_on_incompatible_target parameter to constructor.  Change all
3107         callers.  Add methods skip_on_incompatible_target,
3108         clear_skip_on_incompatible_target, found_incompatible_target, and
3109         set_found_incompatible_target.
3110         (read_input_script): Add dirindex parameter.  Change all callers.
3111         If parser finds an incompatible target, requeue Read_symbols
3112         task.
3113         (script_set_symbol): Clear skip_on_incompatible_target in
3114         closure.
3115         (script_add_assertion, script_parse_option): Likewise.
3116         (script_start_sections, script_add_phdr): Likewise.
3117         (script_check_output_format): New function.
3118         * script.h (read_input_script): Update declaration.
3119         * script-c.h (script_check_output_format): Declare.
3120         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3121         (ignore_cmd): Remove OUTPUT_FORMAT.
3122         * fileread.cc (Input_file::Input_file): Add explicit this.
3123         (Input_file::will_search_for): New function.
3124         (Input_file::open): Add pindex parameter.  Change all callers.
3125         * fileread.h (class Input_file): Add input_file_argument method.
3126         Declare will_search_for.  Update declarations.
3127         * object.cc (make_elf_object): Add punconfigured parameter.
3128         Change all callers.
3129         * object.h (class Object): Make input_file public.  Add
3130         searched_for method.
3131         (make_elf_object): Update declaration.
3132         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3133         restart search.
3134         * dirsearch.h (class Dirsearch): Update declaration.
3135         * options.h (class General_options): Add --warn-search-mismatch.
3136         * parameters.cc (Parameters::is_compatible_target): New function.
3137         * parameters.h (class Parameters): Declare is_compatible_target.
3138         * workqueue.cc (Workqueue::add_blocker): New function.
3139         * workqueue.h (class Workqueue): Declare add_blocker.
3140
3141         * fileread.cc (Input_file::open): Remove options parameter.
3142         Change all callers.
3143         (Input_file::open_binary): Likewise.
3144         * script.cc (read_input_script): Likewise.
3145         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3146         options parameter from constructor.  Change all callers.
3147         (class Read_script): Likewise.
3148         * fileread.h (class Input_file): Update declarations.
3149         * script.h (read_input_script): Update declaration.
3150
3151 2009-03-10  Nick Clifton  <[email protected]>
3152
3153         * po/es.po: New Spanish translation.
3154
3155 2009-03-06  Cary Coutant  <[email protected]>
3156
3157         * options.cc (parse_short_option): Keep dash_z from registering itself.
3158
3159 2009-03-03  Ian Lance Taylor  <[email protected]>
3160
3161         PR 9918
3162         * target-reloc.h (relocate_section): Pass output_section to
3163         relocate.
3164         * i386.cc (Target_i386::should_apply_static_reloc): Add
3165         output_section parameter.  Change all callers.
3166         (Target_i386::Relocate::relocate): Add output_section parameter.
3167         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3168         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3169         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3170         * testsuite/two_file_shared.sh: New script.
3171         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3172         (check_DATA): Add two_file_shared.dbg.
3173         (two_file_shared.dbg): New target.
3174         * testsuite/Makefile.in: Rebuild.
3175
3176 2009-03-01  Ian Lance Taylor  <[email protected]>
3177
3178         * configure.ac: Check for byteswap.h.
3179         * configure: Rebuild.
3180         * config.in: Rebuild.
3181
3182 2009-03-01  Mikolaj Zalewski  <[email protected]>
3183
3184         * layout.cc (Layout::find_or_add_kept_section): New function.
3185         (Layout::add_comdat): Removed.
3186         * layout.h (struct Kept_section): Move out of class Layout.
3187         Remove trailing underscores from field names.  Add group_sections
3188         field.  Rename group_ field to is_group.  Change all uses.
3189         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3190         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3191         comdat_groups_ field.
3192         (Sized_relobj::include_section_group): Use
3193         find_or_add_kept_section and Kept_section::group_sections.
3194         (Sized_relobj::include_linkonce_section): Likewise.
3195         * object.cc (class Sized_relobj): Don't define Comdat_group or
3196         Comdat_group_table.  Remove find_comdat_group and
3197         add_comdat_group.  Remove comdat_groups_ field.
3198         * plugin.cc (include_comdat_group): Use
3199         Layout::find_or_add_kept_section.
3200
3201 2009-02-28  Ian Lance Taylor  <[email protected]>
3202
3203         * README: --gc-sections and map files are now supported.  Document
3204         some build requirements.
3205
3206         PR 6992
3207         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3208         relocatable link set the value of the section symbol to zero.
3209         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3210         relocatable link don't include the section address in the local
3211         symbol value.
3212
3213 2009-02-27  Ian Lance Taylor  <[email protected]>
3214
3215         PR 6811
3216         * options.h (class Search_directory): Add is_system_directory.
3217         (class General_options): Declare is_in_system_directory.
3218         * options.cc (get_relative_sysroot): Make static.
3219         (get_default_sysroot): Make static.
3220         (General_optoins::is_in_system_directory): New function.
3221         * fileread.cc (Input_file::is_in_system_directory): New function.
3222         * fileread.h (class Input_file): Declare is_in_system_directory.
3223         * object.h (class Object): Add is_in_system_directory.
3224         (class Input_objects): Remove system_library_directory_ field.
3225         * object.cc (Input_objects::add_object): Don't set
3226         system_library_directory_.
3227         (input_objects::found_in_system_library_directory): Remove.
3228         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3229         parameter.  Change all callers.
3230         (Symbol_table::sized_write_globals): Likewise.
3231         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3232         Call Object::is_in_system_directory.
3233         * symtab.h (class Symbol_table): Update declarations.
3234
3235         PR 5990
3236         * descriptors.h (Open_descriptor): Add is_on_stack field.
3237         * descriptors.cc (Descriptors::open): If the descriptor is on the
3238         top of the stack, remove it.  Initialize is_on_stack field.
3239         (Descriptors::release): Only add pod to stack if it is not on the
3240         stack already.
3241         (Descriptors::close_some_descriptor): Clear stack_next and
3242         is_on_stack fields.
3243
3244         PR 7091
3245         * output.cc (Output_section::find_starting_output_address): Rename
3246         from starting_output_address; add PADDR parameter; change return
3247         type.
3248         * output.h (class Output_section): Declare
3249         find_starting_output_address instead of starting_output_address.
3250         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3251         section symbol for which we can't find a merge section.
3252
3253         PR 9836
3254         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3255         hidden or internal, force the symbol to be local.
3256         * resolve.cc (Symbol::override_visibility): Define.
3257         (Symbol::override_base): Use override_visibility.
3258         (Symbol_table::resolve): Likewise.
3259         (Symbol::override_base_with_special): Likewise.
3260         (Symbol_table::override_with_special): If the visibility is hidden
3261         or internal, force the symbol to be local.
3262         * symtab.h (class Symbol): Add set_visibility and
3263         override_visibility.
3264         * testsuite/ver_test_1.sh: New file.
3265         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3266         (check_DATA): Add ver_test_1.syms.
3267         (ver_test_1.syms): New target.
3268         * testsuite/Makefile.in: Rebuild.
3269
3270 2009-02-25  Cary Coutant  <[email protected]>
3271
3272         * layout.cc (Layout::choose_output_section): Don't rename sections
3273         when using a linker script that has a SECTIONS clause.
3274         * Makefile.in: Regenerate.
3275
3276         * testsuite/Makefile.am (script_test_5.sh): New test case.
3277         * testsuite/Makefile.in: Regenerate.
3278         * testsuite/script_test_5.cc: New file.
3279         * testsuite/script_test_5.sh: New file.
3280         * testsuite/script_test_5.t: New file.
3281
3282 2009-02-13  Rafael Avila de Espindola  <[email protected]>
3283
3284         * archive.cc (Archive::include_member): Update calls to add_symbols.
3285         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3286         the Layout argument.
3287         * dynobj.h (do_add_symbols): Add the Layout argument.
3288         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3289         Layout argument.
3290         * object.h (Object::add_symbols): Add the Layout argument.
3291         (Object::do_add_symbols): Add the Layout argument.
3292         (Sized_relobj::do_add_symbols): Add the Layout argument.
3293         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3294         Unify the two versions.
3295         (Add_plugin_symbols): Remove.
3296         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3297         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3298         (Add_plugin_symbols): Remove.
3299         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3300         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3301         (Add_symbols::run): Make it work with Pulginobj.
3302
3303 2009-02-06  Ian Lance Taylor  <[email protected]>
3304
3305         * object.cc (Sized_relobj::do_layout): Make info message start
3306         with lower case letter.
3307
3308 2009-02-06  Mikolaj Zalewski  <[email protected]>
3309
3310         * binary.cc: Fix file comment.
3311
3312         * options.h (enum Incremental_disposition): Define.
3313         (class General_options): Add new options: --incremental,
3314         --incremental_changed, --incremental_unchanged,
3315         --incremental_unknown.  Add incremental_disposition_ and
3316         implicit_incremental_ fields.
3317         (General_options::incremental_disposition): New function.
3318         (class Position_dependent_options): Add incremental_disposition
3319         option.
3320         (Position_dependent_options::copy_from_options): Set incremental
3321         dispositions.
3322         * options.cc (General_options::parse_incremental_changed): New
3323         function.
3324         (General_options::parse_incremental_unchanged): New function.
3325         (General_options::parse_incremental_unknown): New function.
3326         (General_options::General_options): Initialize new fields
3327         incremental_disposition_ and implicit_incremental_.
3328         (General_options::finalize): Check for uasge of --incremental-*
3329         without --incremental.
3330
3331 2009-02-06  Chris Demetriou  <[email protected]>
3332
3333         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3334         pointer and to report location as the file name associated with
3335         the symbol.
3336         (gold_undefined_symbol_at_location): New function to replace the
3337         old gold_undefined_symbol functionality.
3338         * target-reloc.h (relocate_section): Update to use
3339         gold_undefined_symbol_at_location.
3340         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3341         Call gold_undefined_symbol function rather than gold_error.
3342         * errors.h (Errors::undefined_symbol): Take location as a
3343         string, rather than calculating it from a relocation.
3344         * errors.cc (Errors::fatal): Print "fatal error:" before the
3345         formatted message.
3346         (Errors::error, Errors::error_at_location): Print "error: "
3347         before the formatted message.
3348         (Errors::undefined_symbol): Take location as a string, rather
3349         than calculating it from a relocation.
3350         (gold_undefined_symbol_at_location): New function akin to
3351         old gold_undefined_symbol, calculates location from relocation.
3352         (gold_undefined_symbol): Change to take only a Symbol pointer
3353         and to report location as the file name associated with the symbol.
3354         * testsuite/debug_msg.sh: Update for changed error messages.
3355         * testsuite/undef_symbol.sh: Likewise.
3356
3357 2009-02-04  Duncan Sands  <[email protected]>
3358
3359         PR 9812
3360         * reduced_debug_output.h
3361         (Output_reduced_debug_abbrev_section::failed): Use format for
3362         gold_warning.
3363         (Output_reduced_debug_info_section::faild): Likewise.
3364
3365 2009-01-31  Mikolaj Zalewski  <[email protected]>
3366
3367         * script.cc (Lazy_demangler): New class.
3368         (Version_script_info::get_symbol_version_helper): Demangle a
3369         symbol only once.
3370
3371 2009-01-29  Cary Coutant  <[email protected]>
3372
3373         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3374         to __tls_get_addr.
3375         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3376
3377 2009-01-28  Ian Lance Taylor  <[email protected]>
3378
3379         * version.cc (version_string): Bump to 1.9.
3380
3381         * gold.h: Include <cstring> and <stdint.h>.
3382         * version.cc: Include <cstdio>.
3383         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3384         warning.
3385         * reduced_debug_output.cc (insert_into_vector): Rename from
3386         Insert_into_vector; change all callers.  Use Swap_unaligned to
3387         avoid aliasing issue; remove union since it is unnecessary.
3388
3389 2009-01-27  Sriraman Tallam  <[email protected]>
3390
3391         * Makefile.am (CCFILES): Add gc.cc.
3392         (HFILES): Add gc.h.
3393         * Makefile.in: Regenerate.
3394         * gold.cc (Gc_runner): New class.
3395         (queue_initial_tasks): Call garbage collection related tasks
3396         when corresponding options are invoked.
3397         (queue_middle_gc_tasks): New function.
3398         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3399         processed early before laying out sections during garbage collection.
3400         * gold.h (queue_middle_gc_tasks): New function.
3401         (is_prefix_of): Move from "layout.cc".
3402         * i386.cc (Target_i386::gc_process_relocs): New function.
3403         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3404         * main.cc (main): Create object of class "Garbage_collection".
3405         * object.cc (Relobj::copy_symbols_data): New function.
3406         (Relobj::is_section_name_included): New function.
3407         (Sized_relobj::do_layout): Allow this function to be called twice
3408         during garbage collection and defer layout of section during the
3409         first call.
3410         * object.h (Relobj::get_symbols_data): New function.
3411         (Relobj::is_section_name_included): New function.
3412         (Relobj::copy_symbols_data): New function.
3413         (Relobj::set_symbols_data): New function.
3414         (Relobj::get_relocs_data): New function.
3415         (Relobj::set_relocs_data): New function.
3416         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3417         (Relobj::gc_process_relocs): New function.
3418         (Relobj::do_gc_process_relocs): New pure virtual function.
3419         (Relobj::sd_): New data member.
3420         (Sized_relobj::is_output_section_offset_invalid): New function.
3421         (Sized_relobj::do_gc_process_relocs): New function.
3422         * options.h (General_options::gc_sections): Modify to not be a no-op.
3423         (General_options::print_gc_sections): New option.
3424         * plugin.cc (Plugin_finish::run): Remove function call to
3425         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3426         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3427         * reloc.cc (Read_relocs::run): Add task to process relocs and
3428         determine unreferenced sections when doing garbage collection.
3429         (Gc_process_relocs): New class.
3430         (Sized_relobj::do_gc_process_relocs): New function.
3431         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3432         sections that are garbage collected.
3433         * reloc.h (Gc_process_relocs): New class.
3434         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3435         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3436         symbols whose corresponding sections are garbage collected.
3437         (Symbol_table::Symbol_table): Add new parameter for the garbage
3438         collection object.
3439         (Symbol_table::gc_mark_undef_symbols): New function.
3440         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3441         (Symbol_table::gc_mark_dyn_syms): New function.
3442         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3443         as garbage.
3444         (Symbol_table::add_from_object): Likewise.
3445         (Symbol_table::add_from_relobj): When building shared objects, do not
3446         treat externally visible symbols as garbage.
3447         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3448         table information for static and relocatable links.
3449         * symtab.h (Symbol_table::set_gc): New function.
3450         (Symbol_table::gc): New function.
3451         (Symbol_table::gc_mark_undef_symbols): New function.
3452         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3453         (Symbol_table::gc_mark_dyn_syms): New function.
3454         (Symbol_table::gc_): New data member.
3455         * target.h (Sized_target::gc_process_relocs): New pure virtual
3456         function.
3457         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3458         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3459
3460 2009-01-20  Chris Faylor <[email protected]>
3461
3462         * options.h (General_options::gc_sections): Define as a no-op for now.
3463         (General_options::no_keep_memory): Ditto.
3464         (General_options::Bshareable): Define.
3465         * options.cc (General_options::finalize): Honor -Bshareable.
3466
3467 2009-01-20  Andreas Schwab  <[email protected]>
3468
3469         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3470         read the value in the contents, since we don't use it.  Use the
3471         template endianness when writing.
3472         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3473
3474 2009-01-19  Andreas Schwab  <[email protected]>
3475
3476         * configure.tgt (powerpc64-*): Fix targ_obj.
3477
3478 2009-01-15  Ian Lance Taylor  <[email protected]>
3479
3480         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3481         local symbols when stripping all symbols.
3482
3483 2009-01-14  Cary Coutant  <[email protected]>
3484
3485         * output.cc (Output_reloc): Add explicit instantiations.
3486
3487 2009-01-14  Cary Coutant  <[email protected]>
3488
3489         * archive.cc (Archive::get_elf_object_for_member): Remove call
3490         to File_read::claim_for_plugin.
3491         * descriptors.cc (Descriptors::open): Remove reference to
3492         is_claimed.
3493         (Descriptors::claim_for_plugin): Remove.
3494         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3495         (Descriptors::is_claimed): Remove.
3496         (claim_descriptor_for_plugin): Remove.
3497         * fileread.cc (File_read::claim_for_plugin): Remove.
3498         * fileread.h (File_read::claim_for_plugin): Remove.
3499         (File_read::descriptor): Reopen descriptor if necessary.
3500         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3501         (Plugin_manager::all_symbols_read): Add task parameter. Change
3502         all callers.
3503         (Plugin_manager::get_input_file): New function.
3504         (Plugin_manager::release_input_file): New function.
3505         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3506         corresponding data member.
3507         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3508         and pass to base constructor. Change all callers.
3509         (get_input_file, release_input_file): New functions.
3510         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3511         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3512         (Plugin_manager::all_symbols_read): Add task parameter.
3513         (Plugin_manager::get_input_file): New function.
3514         (Plugin_manager::release_input_file): New function.
3515         (Plugin_manager::task_): New data member.
3516         (Pluginobj::Pluginobj): Add filesize parameter.
3517         (Pluginobj::filename): New function.
3518         (Pluginobj::descriptor): New function.
3519         (Pluginobj::filesize): New function.
3520         (Pluginobj::filesize_): New data member.
3521         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3522         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3523         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3524
3525         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3526         with archive libraries.
3527         * testsuite/Makefile.in: Regenerate.
3528         * testsuite/plugin_test.c (struct sym_info): New type.
3529         (get_input_file, release_input_file): New static variables.
3530         (onload): Capture new transfer vector entries.
3531         (claim_file_hook): Stop reading at end of file according to filesize.
3532         Factor out parsing of readelf output into separate function.
3533         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3534         APIs and get the source file name from the symbol table.  Convert
3535         source file name to corresponding object file name.  Print info
3536         message when adding new input files.
3537         (parse_readelf_line): New function.
3538         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3539         * testsuite/plugin_test_2.sh: Likewise.
3540         * testsuite/plugin_test_3.sh: Likewise.
3541         * testsuite/plugin_test_4.sh: New test case.
3542
3543 2009-01-07  Ian Lance Taylor  <[email protected]>
3544
3545         * version.cc (version_string): Bump to 1.8.
3546
3547 2008-12-23  Cary Coutant  <[email protected]>
3548
3549         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3550         * plugin.cc (Plugin_manager::finish): Rename as
3551         layout_deferred_objects.  Move cleanup to separate function.
3552         (Plugin_manager::cleanup): New function.
3553         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3554         separately.
3555         * plugin.h (Plugin_manager::finish): Rename as
3556         layout_deferred_objects.
3557         (Plugin_manager::cleanup): New function.
3558         (Plugin_manager::cleanup_done): New field.
3559
3560 2008-12-23  Cary Coutant  <[email protected]>
3561
3562         * plugin.cc (is_visible_from_outside): New function.
3563         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3564         so we don't return "IR only" status for exported symbols or -r links.
3565
3566         * testsuite/Makefile.am (plugin_test_3): New test case.
3567         * testsuite/Makefile.in: Regenerate.
3568         * testsuite/plugin_test_3.sh: New file.
3569
3570 2008-12-22  Cary Coutant  <[email protected]>
3571
3572         * object.cc (Sized_relobj::layout_section): New function.
3573         (Sized_relobj::do_layout): Defer layout of input sections until after
3574         plugin has provided replacement files.
3575         (Sized_relobj::do_layout_deferred_sections): New function.
3576         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3577         (Relobj::layout_deferred_sections): New function.
3578         (Relobj::do_layout_deferred_sections): New function.
3579         (Sized_relobj::do_layout_deferred_sections): New function.
3580         (Sized_relobj::layout_section): New function.
3581         (Sized_relobj::Deferred_layout): New structure.
3582         (Sized_relobj::deferred_layout_): New field.
3583         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3584         Change all callers.  Layout deferred sections.
3585         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3586         references.
3587         (Plugin_hook::run): Move code from do_plugin_hook inline.
3588         (Plugin_hook::do_plugin_hook): Remove.
3589         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3590         (Plugin_manager::finish): Renamed, was cleanup.
3591         (Plugin_manager::should_defer_layout): New function.
3592         (Plugin_manager::add_deferred_layout_object): New function.
3593         (Plugin_manager::Deferred_layout_list): New type.
3594         (Plugin_manager::deferred_layout_objects_): New field.
3595         (Plugin_hook::do_plugin_hook): Remove.
3596
3597 2008-12-17  Ian Lance Taylor  <[email protected]>
3598
3599         * options.h (class General_options): Add --no case for
3600         --export-dynamic.
3601
3602 2008-12-16  Cary Coutant  <[email protected]>
3603
3604         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3605         vector.
3606         (Plugin_manager::claim_file): Create plugin object even if
3607         plugin did not call the add_symbols callback.
3608         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3609         asking for more symbols than were added.
3610         * testsuite/Makefile.am (plugin_test_1): Add test case with
3611         no global symbols.
3612         (empty.syms): New target.
3613         * testsuite/Makefile.in: Regenerate.
3614         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3615         message. Don't call add_symbols if no globals.
3616         (all_symbols_read_hook): Don't provide replacement for empty
3617         claimed file.
3618
3619 2008-12-12  Ian Lance Taylor  <[email protected]>
3620
3621         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3622         r_type == 0 for a local symbol with r_sym == 0.
3623         (scan_relocatable_relocs): Pass r_sym to
3624         local_non_section_strategy.
3625         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3626         r_sym parameter.
3627
3628         * configure.ac: Update test for TLS descriptors: they are
3629         supported as of glibc 2.9.
3630         * configure: Rebuild.
3631
3632 2008-12-11  Ian Lance Taylor  <[email protected]>
3633
3634         PR 7091
3635         * target-reloc.h (Default_scan_relocatable_relocs): For each
3636         function, map r_type == 0 to RELOC_DISCARD.
3637
3638 2008-12-10  Cary Coutant  <[email protected]>
3639
3640         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3641         object to override a kept COMDAT group from a plugin object.
3642
3643 2008-12-09  Ian Lance Taylor  <[email protected]>
3644
3645         PR 7088
3646         * yyscript.y (file_cmd): Handle INPUT.
3647
3648         * testsuite/initpri1.c: Change all declarations to be full
3649         prototypes by adding void, to avoid compiler warnings.
3650
3651 2008-12-05  Rafael Avila de Espindola  <[email protected]>
3652
3653         * options.cc (General_options::parse_plugin_opt): New.
3654         (General_options::add_plugin): The argument now is just the filename.
3655         (General_options::add_plugin_option): New.
3656         * options.h (plugin_opt): New.
3657         (add_plugin): Change argument name.
3658         (add_plugin_option): New.
3659         * plugin.cc (Plugin::load): Don't parse the plugin option.
3660         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3661         (Plugin::add_option): New.
3662         (Plugin::args_): Change type.
3663         (Plugin::filename_): New.
3664         (Plugin_manager::add_plugin_option): New.
3665         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3666         * testsuite/Makefile.in: Regenerate.
3667
3668 2008-12-05  Cary Coutant  <[email protected]>
3669
3670         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3671         Handle --strip-lto-sections option.
3672         * options.h (strip_lto_sections): New option.
3673
3674 2008-12-01  Cary Coutant  <[email protected]>
3675
3676         * plugin.cc (ld_plugin_message): Change format parameter to const.
3677         Fix mismatch between new[] and delete.
3678
3679 2008-11-14  Cary Coutant  <[email protected]>
3680
3681         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3682         instead of -1U.
3683
3684 2008-11-05  Craig Silverstein  <[email protected]>
3685
3686         * options.cc (General_options::parse_dynamic_list): New function.
3687         * options.h (General_options): New flags dynamic_list,
3688         dynamic_list_data, dynamic_list_cpp_new, and
3689         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3690         (General_options::in_dynamic_list): New function.
3691         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3692         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3693         (Lex::can_continue_name): Likewise.
3694         (yylex): Likewise.
3695         (read_script_file): New parameter script_options.
3696         (read_dynamic_list): New function.
3697         (Script_options::define_dynamic_list): New function.
3698         (dynamic_list_keyword_parsecodes): New variable.
3699         (dynamic_list_keywords): New variable.
3700         * script.h (Script_options::define_dynamic_list): New function
3701         prototype.
3702         (read_dynamic_list): New function prototype.
3703         * symtab.cc (strprefix): New macro.
3704         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3705         dynamic_list_data, dynamic_list_cpp_new, and
3706         dynamic_list_cpp_typeinfo.
3707         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3708         (dynamic_list_expr): New rule.
3709         (dynamic_list_nodes): Likewise.
3710         (dynamic_list_node): Likewise.
3711         * testsuite/Makefile.am (dynamic_list): New test.
3712         * testsuite/Makefile.in: Regenerated.
3713         * testsuite/dynamic_list.t: New file.
3714         * testsuite/dynamic_list.sh: New file.
3715
3716 2008-11-05  Craig Silverstein  <[email protected]>
3717
3718         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3719         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3720         (t11_last): Likewise.
3721         * testsuite/ver_test_6.c (main): Likewise.
3722
3723 2008-10-07  Cary Coutant  <[email protected]>
3724
3725         * options.c (General_options::finalize): Add check for -static and
3726         -shared.
3727         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3728         is not empty.
3729
3730 2008-10-02  Cary Coutant  <[email protected]>
3731
3732         * plugin.cc (make_sized_plugin_object): Fix conditional
3733         compilation to work when not all targets are enabled.
3734
3735 2008-09-29  Cary Coutant  <[email protected]>
3736
3737         * archive.cc (Archive::get_file_and_offset): Use filename instead
3738         of name to get library path.
3739         (Archive::include_member): Unlock external member of a thin archive.
3740
3741         * testsuite/Makefile.am (TEST_AR): New variable.
3742         (thin_archive_test_1): New test.
3743         (thin_archive_test_2): New test.
3744         * testsuite/Makefile.in: Regenerate.
3745         * testsuite/thin_archive_main.cc: New file.
3746         * testsuite/thin_archive_test_1.cc: New file.
3747         * testsuite/thin_archive_test_2.cc: New file.
3748         * testsuite/thin_archive_test_3.cc: New file.
3749         * testsuite/thin_archive_test_4.cc: New file.
3750
3751 2008-09-29  Cary Coutant  <[email protected]>
3752
3753         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3754         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3755         instead of -1U.
3756         (Sized_relobj::do_finalize_local_symbols): Likewise.
3757         (Sized_relobj::map_to_kept_section): Likewise.
3758         * object.h (Sized_relobj::invalid_address): New constant.
3759         (Sized_relobj::do_output_section_offset): Check for invalid_address
3760         and return -1ULL.
3761         * output.cc (Output_reloc::local_section_offset): Use constant
3762         invalid_address instead of -1U.
3763         (Output_reloc::get_address): Likewise.
3764         (Output_section::output_address): Change -1U to -1ULL.
3765         * output.h (Output_reloc::invalid_address): New constant.
3766         * reloc.cc (Sized_relobj::write_sections): Use constant
3767         invalid_address instead of -1U.
3768         (Sized_relobj::relocate_sections): Likewise.
3769         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3770         values for merge sections.
3771         * target-reloc.h (relocate_for_relocatable): Use constant
3772         invalid_address instead of -1U.
3773
3774 2008-09-19  Cary Coutant  <[email protected]>
3775
3776         Add plugin functionality for link-time optimization (LTO).
3777         * configure.ac (plugins): Add --enable-plugins option.
3778         * configure: Regenerate.
3779         * config.in: Regenerate.
3780         * Makefile.am (LIBDL): New variable.
3781         (CCFILES): Add plugin.cc.
3782         (HFILES): Add plugin.h.
3783         (ldadd_var): Add LIBDL.
3784         * Makefile.in: Regenerate.
3785
3786         * archive.cc: Include "plugin.h".
3787         (Archive::setup): Don't preread archive symbols when using a plugin.
3788         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3789         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3790         files.
3791         (Archive::include_member): Add symbols from plugin objects.
3792         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3793         * descriptors.cc (Descriptors::open): Check for file descriptors
3794         abandoned by plugins.
3795         (Descriptors::claim_for_plugin): New function.
3796         * descriptors.h (Descriptors::claim_for_plugin): New function.
3797         (Open_descriptor::is_claimed): New field.
3798         (claim_descriptor_for_plugin): New function.
3799         * fileread.cc (File_read::claim_for_plugin): New function.
3800         * fileread.h (File_read::claim_for_plugin): New function.
3801         (File_read::descriptor): New function.
3802         * gold.cc: Include "plugin.h".
3803         (queue_initial_tasks): Add task to call plugin hooks for generating
3804         new object files.
3805         * main.cc: Include "plugin.h".
3806         (main): Load plugin libraries.
3807         * object.h (Pluginobj): Declare.
3808         (Object::pluginobj): New function.
3809         (Object::do_pluginobj): New function.
3810         (Object::set_target): New function.
3811         * options.cc: Include "plugin.h".
3812         (General_options::parse_plugin): New function.
3813         (General_options::General_options): Initialize plugins_ field.
3814         (General_options::add_plugin): New function.
3815         * options.h (Plugin_manager): Declare.
3816         (General_options): Add --plugin option.
3817         (General_options::has_plugins): New function.
3818         (General_options::plugins): New function.
3819         (General_options::add_plugin): New function.
3820         (General_options::plugins_): New field.
3821         * plugin.cc: New file.
3822         * plugin.h: New file.
3823         * readsyms.cc: Include "plugin.h".
3824         (Read_symbols::do_read_symbols): Check for archive before checking
3825         for ELF file.  Call plugin hooks to claim files.
3826         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3827         from a real object file; force override when processing replacement
3828         files.
3829         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3830         (Symbol::init_base_object): Likewise.
3831         (Symbol::init_base_output_data): Likewise.
3832         (Symbol::init_base_output_segment): Likewise.
3833         (Symbol::init_base_constant): Likewise.
3834         (Symbol::init_base_undefined): Likewise.
3835         (Symbol::output_section): Assert that object is not a plugin.
3836         (Symbol_table::add_from_pluginobj): New function.
3837         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3838         undefined.
3839         (Symbol_table::sized_write_globals): Likewise.
3840         (Symbol_table::add_from_pluginobj): Instantiate template.
3841         * symtab.h (Sized_pluginobj): Declare.
3842         (Symbol::in_real_elf): New function.
3843         (Symbol::set_in_real_elf): New function.
3844         (Symbol::in_real_elf_): New field.
3845         (Symbol_table::add_from_pluginobj): New function.
3846
3847         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3848         (LIBDL): New variable.
3849         (LDADD): Add LIBDL.
3850         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3851         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3852         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3853         (MOSTLYCLEANFILES): Likewise.
3854         * testsuite/Makefile.in: Regenerate.
3855         * testsuite/plugin_test.c: New file.
3856         * testsuite/plugin_test_1.sh: New file.
3857         * testsuite/plugin_test_2.sh: New file.
3858
3859 2008-09-16  Ian Lance Taylor  <[email protected]>
3860
3861         * target-reloc.h (relocate_section): Check whether a symbol is
3862         defined by the ABI before reporting an undefined symbol error.
3863         * target.h (Target::is_defined_by_abi): Make parameter const.
3864         (Target::do_is_defined_by_abi): Likewise.
3865         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3866         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3867         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3868         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3869         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3870         * testsuite/Makefile.in: Rebuild.
3871
3872         * fileread.cc (make_view): Add casts to avoid warning.
3873
3874 2008-09-16  Alexandre Oliva  <[email protected]>
3875
3876         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3877         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3878
3879 2008-09-16  Alexandre Oliva  <[email protected]>
3880
3881         * options.h (General_options::output_is_executable): New.
3882         (General_options::output_is_pie): New.
3883         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3884         for shared libraries.
3885         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3886
3887 2008-09-11  Chris Demetriou  <[email protected]>
3888
3889         * options.h (origin): New -z option.
3890         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3891         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3892         in DT_FLAGS_1.
3893
3894 2008-09-05  Cary Coutant  <[email protected]>
3895
3896         * fileread.cc (File_read::make_view): Add check for attempt to map
3897         beyond end of file.
3898
3899 2008-09-05  Cary Coutant  <[email protected]>
3900
3901         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3902         explicit instantiations.
3903
3904 2008-08-28  Kris Van Hees  <[email protected]>
3905
3906         PR gold/6858
3907         * options.cc (General_options::finalize): Allow undefined symbols
3908         in shlibs if linking -shared.
3909
3910         PR gold/6859
3911         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3912         symbols as not needing a dynsym entry.
3913
3914 2008-08-20  Craig Silverstein  <[email protected]>
3915
3916         * fileread.cc (File_read::open): Do not lock the file unless it
3917         was successfully opened.
3918
3919 2008-08-14  Cary Coutant  <[email protected]>
3920
3921         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3922         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3923         * testsuite/tls_test.cc (struct int128): 128-bit struct
3924         for testing TLS relocs with non-zero addend.
3925         (v12): New TLS variable.
3926         (t12): New test.
3927         (t_last): Add check for v12.
3928         * testsuite/tls_test.h (t12): New function.
3929         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3930
3931 2008-08-13  Ian Lance Taylor  <[email protected]>
3932
3933         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3934         set tls_segment_ or relro_segment_.
3935         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3936         when appropriate.
3937         * output.h (Output_section::clear_is_relro): New function.
3938         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3939         sections specially even when output_data_ is empty.
3940         (Output_segment::maximum_alignment): When first section is relro,
3941         only force alignment for PT_LOAD segments.
3942         * script.cc (script_data_segment_align): New function.
3943         (script_data_segment_relro_end): New function.
3944         * script-c.h (script_data_segment_align): Declare.
3945         (script_data_segment_relro_end): Declare.
3946         * script-sections.h (class Script_sections): Declare
3947         data_segment_align and data_segment_relro_end.  Add fields
3948         segment_align_index_ and saw_relro_end_.
3949         * script-sections.cc (class Sections_element): Add set_is_relro
3950         virtual function.  Add new bool* parameter to place_orphan_here.
3951         Add get_output_section virtual function.
3952         (class Output_section_definition): Add set_is_relro.  Add new
3953         bool* parameter to place_orphan_here.  Add get_output_section.
3954         Add is_relro_ field.
3955         (Output_section_definition::Output_section_definition): Initialize
3956         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3957         and is_relro_ fields.
3958         (Output_section_definition::place_orphan_here): Add is_relro
3959         parameter.
3960         (Output_section_definition::set_section_addresses): Set relro for
3961         output section.
3962         (Output_section_definition::alternate_constraint): Likewise.
3963         (class Orphan_output_section): Add new bool* parameter to
3964         place_orphan_here.  Add get_output_section.
3965         (Orphan_output_section::place_orphan_here): Add is_relro
3966         parameter.
3967         (Script_sections::Script_sections): Initialize
3968         data_segment_align_index_ and saw_relro_end_.
3969         (Script_sections::data_segment_align): New function.
3970         (Script_sections::data_segment_relro_end): New function.
3971         (Script_sections::place_orphan): Set or clear is_relro.
3972         (Script_sections::set_section_addresses): Force alignment of first
3973         TLS section.
3974         * yyscript.y (exp): Call script_data_segment_align and
3975         script_data_segment_relro_end.
3976         * testsuite/relro_script_test.t: New file.
3977         * testsuite/relro_test.cc (using_script): Declare.
3978         (t1, t2): Test using_script.
3979         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3980         (relro_script_test_SOURCES): Define.
3981         (relro_script_test_DEPENDENCIES): Define.
3982         (relro_script_test_LDFLAGS): Define.
3983         (relro_script_test_LDADD): Define.
3984         (relro_script_test.so): New target.
3985         * testsuite/Makefile.in: Rebuild.
3986
3987 2008-08-06  Cary Coutant <[email protected]>
3988
3989         * archive.cc (Archive::total_archives, Archive::total_members)
3990         (Archive::total_members_loaded): New variables.
3991         (Archive::setup): Add parameter.  Add option to preread
3992         archive symbols.
3993         (Archive::read_armap): Add counter.
3994         (Archive::get_file_and_offset): New function.
3995         (Archive::get_elf_object_for_member): New function.
3996         (Archive::read_all_symbols): New function.
3997         (Archive::read_symbols): New function.
3998         (Archive::add_symbols): Add counters.
3999         (Archive::include_all_members): Use armap to find members if it's
4000         already built.
4001         (Archive::include_member): Skip reading symbols if already read.
4002         Factored code into Archive::get_file_and_offset and
4003         Archive::get_elf_object_for_member.  Changed call to
4004         Mapfile::report_include_archive_member.
4005         (Archive::print_stats): New function.
4006         * archive.h: Declare Object and Read_symbols_data classes.
4007         (Archive::Archive): Add initializers for new members.
4008         (Archive::setup): Add parameter.
4009         (Archive::print_stats): New function.
4010         (Archive::total_archives, Archive::total_members)
4011         (Archive::total_members_loaded): New variables.
4012         (Archive::get_file_and_offset): New function.
4013         (Archive::get_elf_object_for_member): New function.
4014         (Archive::read_all_symbols): New function.
4015         (Archive::read_symbols): New function.
4016         (Archive::Archive_member): New class.
4017         (Archive::members_): New member.
4018         (Archive::num_members_): New member.
4019         * main.cc: Include archive.h.
4020         (main): Call Archive::print_stats.
4021         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4022         archive parameter; member_name is now the fully-decorated name.
4023         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4024         * options.h: (General_options): Add --preread-archive-symbols option.
4025         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4026         Archive::setup.
4027
4028 2008-08-04  Ian Lance Taylor  <[email protected]>
4029
4030         * symtab.h (Symbol::use_plt_offset): New function.
4031         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4032         * powerpc.cc (Relocate::relocate): Likewise.
4033         * sparc.cc (Relocate::relocate): Likewise.
4034         * x86_64.cc (Relocate::relocate): Likewise.
4035         * testsuite/weak_plt.sh: New test.
4036         * testsuite/weak_plt_main.cc: New test.
4037         * testsuite/weak_plt_shared.cc: New test.
4038         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4039         (check_PROGRAMS): Add weak_plt.
4040         (check_DATA): Add weak_plt_shared.so.
4041         (weak_plt_main_pic.o, weak_plt): New targets.
4042         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4043         * testsuite/Makefile.in: Rebuild.
4044
4045         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4046         gcctestdir/ld.
4047         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4048         * testsuite/Makefile.in: Rebuild.
4049
4050 2008-08-04  Alan Modra  <[email protected]>
4051
4052         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4053         * Makefile.in: Regenerate.
4054         * po/POTFILES.in: Regenerate.
4055
4056 2008-07-29  Ian Lance Taylor  <[email protected]>
4057
4058         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4059         symbols before other symbols.
4060         * testsuite/script_test_2.cc (test_addr): Declare.
4061         (test_addr_alias): Declare.
4062         (main): Check that test_addr and test_addr_alias have the right
4063         values.
4064         * testsuite/script_test_2.t: Define test_addr_alias and
4065         test_addr.
4066
4067 2008-07-24  Ian Lance Taylor  <[email protected]>
4068
4069         PR 5990
4070         * descriptors.cc: New file.
4071         * descriptors.h: New file.
4072         * gold-threads.h (class Hold_optional_lock): New class.
4073         * fileread.cc: Include "descriptors.h".
4074         (File_read::~File_read): Release descriptor rather than closing
4075         it.
4076         (File_read::open) [file]: Call open_descriptor rather than open.
4077         Set is_descriptor_opened_.
4078         (File_read::open) [memory]: Assert that descriptor is not open.
4079         (File_read::reopen_descriptor): New function.
4080         (File_read::release): Release descriptor.
4081         (File_read::do_read): Make non-const.  Reopen descriptor.
4082         (File_read::read): Make non-const.
4083         (File_read::make_view): Reopen descriptor.
4084         (File_read::do_readv): Likewise.
4085         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4086         Update declarations.
4087         * layout.cc: Include "descriptors.h".
4088         (Layout::create_build_id): Use open_descriptor rather than open.
4089         * output.cc: Include "descriptors.h".
4090         (Output_file::open): Use open_descriptor rather than open.
4091         * archive.cc (Archive::const_iterator): Change Archive to be
4092         non-const.
4093         (Archive::begin, Archive::end): Make non-const.
4094         (Archive::count_members): Likewise.
4095         * archive.h (class Archive): Update declarations.
4096         * object.h (Object::read): Make non-const.
4097         * Makefile.am (CCFILES): Add descriptors.cc.
4098         (HFILES): Add descriptors.h.
4099         * Makefile.in: Rebuild.
4100
4101         PR 6716
4102         * gold.h: Always include <clocale>.  Add Solaris workarounds
4103         following code in binutils/sysdep.h.
4104
4105         PR 6048
4106         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4107         this->eh_frame_hdr_ is NULL before using it.
4108
4109         * dynobj.cc (Versions::Versions): Update comment.
4110
4111         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4112         the base version name.
4113
4114         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4115         array size plus one.
4116         (Stringpool_template::set_string_offsets): Subtract one from key
4117         before using it as an array index.
4118         (Stringpool_template::get_offset_with_length): Likewise.
4119         (Stringpool_template::write_to_buffer): Likewise.
4120         * stringpool.h (Stringpool_template::get_offset_from_key):
4121         Likewise.
4122
4123 2008-07-23  Ian Lance Taylor  <[email protected]>
4124
4125         PR 6658
4126         * object.h (Merged_symbol_value::value): Do our best to handle a
4127         negative addend.
4128
4129         PR 6647
4130         * script.cc (Version_script_info::get_versions): Don't add empty
4131         version tag to return value.
4132         (Version_script_info::get_symbol_version_helper): Change return
4133         type to bool.  Add pversion parameter.  Change all callers.
4134         (script_register_vers_node): Don't require a non-NULL tag.
4135         * script.h (class Version_script_info): Update declarations.
4136         (Version_script_info::get_symbol_version): Change return type to
4137         bool.  Add version parameter.  Change all callers.
4138         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4139         handling.  Handle an empty version from a version script.
4140         (Symbol_table::define_special_symbol): Likewise.
4141         * testsuite/ver_test_10.script: New file.
4142         * testsuite/ver_test_10.sh: New file.
4143         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4144         (check_DATA): Add ver_test_10.syms.
4145         (ver_test_10.syms, ver_test_10.so): New target.
4146         * testsuite/Makefile.in: Rebuild.
4147
4148 2008-07-23  Simon Baldwin  <[email protected]>
4149
4150         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4151         to zero for undefined symbols from dynamic libraries.
4152
4153 2008-07-23  Ian Lance Taylor  <[email protected]>
4154
4155         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4156         Change all callers.
4157         * symtab.h (class Symbol_table): Update declaration.
4158         * testsuite/ver_test_9.cc: New file.
4159         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4160         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4161         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4162         (ver_test_9.so, ver_test_9.o): New targets.
4163         * testsuite/Makefile.in: Rebuild.
4164
4165 2008-07-22  Ian Lance Taylor  <[email protected]>
4166
4167         * options.h (class General_options): Define --check-sections.
4168         * layout.cc (Layout::set_segment_offsets): Handle
4169         --check-sections.
4170
4171         * options.h (class General_options): Define -n/--nmagic and
4172         -N/--omagic.
4173         * options.cc (General_options::finalize): For -n/--nmagic or
4174         -N/--omagic, set -static.
4175         * layout.cc (Layout::attach_allocated_section_to_segment): If
4176         -N/--omagic, don't put read-only and read-write sections in
4177         different segments.
4178         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4179         finding a read-only segment.
4180         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4181         don't set the minimum segment alignment to the common page size,
4182         and don't set the file offset to the address modulo the page size.
4183         * script-sections.cc (Script_sections::create_segments): If
4184         -n/--omagic, don't put read-only and read-write sections in
4185         different segments.
4186
4187         * cref.cc: New file.
4188         * cref.h: New file.
4189         * options.h (class General_options): Add --print-symbol-counts.
4190         * main.cc (main): Issue defined symbol report if requested.
4191         * archive.cc (Archive::interpret_header): Make into a const member
4192         function.
4193         (Archive::add_symbols): Call Input_objects::archive_start and
4194         archive_stop.
4195         (Archive::const_iterator): Define new class.
4196         (Archive::begin, Archive::end): New functions.
4197         (Archive::include_all_members): Rewrite to use iterator.
4198         (Archive::count_members): New function.
4199         * archive.h (class Archive): Update declarations.
4200         (Archive::filename): New function.
4201         * object.cc: Include "cref.h".
4202         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4203         (Sized_relobj::do_get_global_symbol_counts): New function.
4204         (Input_objects::add_object): Add object to cross-referencer.
4205         (Input_objects::archive_start): New function.
4206         (Input_objects::archive_stop): New function.
4207         (Input_objects::print_symbol_counts): New function.
4208         * object.h: Declare Cref and Archive.
4209         (Object::get_global_symbol_counts): New function.
4210         (Object::do_get_global_symbol_counts): New pure virtual function.
4211         (class Sized_relobj): Add defined_count_ field.  Update
4212         declarations.
4213         (class Input_objects): Add cref_ field.  Update constructor.
4214         Update declarations.
4215         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4216         defined_count_.
4217         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4218         symbol counts.
4219         (Sized_dynobj::do_get_global_symbol_counts): New function.
4220         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4221         defined_count_.  Update declarations.  Define Symbols typedef.
4222         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4223         parameter.  Change all callers.
4224         (Symbol_table::add_from_dynobj): Add sympointers and defined
4225         parameters.  Change all callers.
4226         * symtab.h (class Symbol_table): Update declarations.
4227         * Makefile.am (CCFILES): Add cref.cc.
4228         (HFILES): Add cref.h.
4229         * Makefile.in: Rebuild.
4230
4231 2008-07-22  Simon Baldwin  <[email protected]>
4232
4233         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4234         to zero when writing undefined symbols.
4235
4236 2008-07-22  Ian Lance Taylor  <[email protected]>
4237
4238         * output.cc (Output_section::add_input_section): Don't try to
4239         merge empty merge sections.
4240
4241 2008-07-21  Craig Silverstein  <[email protected]>
4242
4243         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4244         Include symbol version in error message.
4245
4246 2008-07-20  Chris Demetriou  <[email protected]>
4247
4248         * configure.ac (gold_cv_c_random_seed): New configured variable.
4249         (RANDOM_SEED_CFLAGS): New substituted variable.
4250         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4251         * configure: Rebuild.
4252         * Makefile.in: Likewise.
4253         * testsuite/Makefile.in: Likewise.
4254
4255 2008-07-18  Ian Lance Taylor  <[email protected]>
4256
4257         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4258         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4259         * testsuite/ver_test_main.cc (main): Call t4.
4260         (t4, t4_2a): Define.
4261         * testsuite/ver_test_2.cc (t4_2): Define.
4262         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4263         * testsuite/ver_test_4.cc (t4_2a): Define.
4264         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4265         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4266
4267 2008-07-17  Ian Lance Taylor  <[email protected]>
4268
4269         * dynobj.cc (Versions::add_def): If we give an error about a
4270         missing version, go ahead and create the version anyhow.
4271
4272 2008-07-10  Ian Lance Taylor  <[email protected]>
4273
4274         Handle output sections with more than 0x7fffffff bytes.
4275         * object.h (class Relobj): Change map_to_output_ to
4276         output_sections_, and just keep a section pointer.  Change all
4277         uses.  Move comdat group support to Sized_relobj.
4278         (Relobj::is_section_specially_mapped): Remove.
4279         (Relobj::output_section): Remove poff parameter.  Change all
4280         callers.
4281         (Relobj::output_section_offset): New function.
4282         (Relobj::set_section_offset): Rewrite.
4283         (Relobj::map_to_output): Remove.
4284         (Relobj::output_sections): New function.
4285         (Relobj::do_output_section_offset): New pure virtual function.
4286         (Relobj::do_set_section_offset): Likewise.
4287         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4288         group support from Relobj.  Update declarations.
4289         (Sized_relobj::get_output_section_offset): New function.
4290         (Sized_relobj::do_output_section_offset): New function.
4291         (Sized_relobj::do_set_section_offset): New function.
4292         * object.cc (Relobj::output_section_address): Remove.
4293         (Sized_relobj::Sized_relobj): Initialize new fields.
4294         (Sized_relobj::include_section_group): Cast find_kept_object to
4295         Sized_relobj.
4296         (Sized_relobj::include_linkonce_section): Likewise.
4297         (Sized_relobj::do_layout): Use separate arrays for output section
4298         and output offset.
4299         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4300         output_sections.
4301         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4302         output_sections and section_offsets.
4303         (Sized_relobj::write_local_symbols): Likewise.
4304         (map_to_kept_section): Compute output address directly.
4305         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4306         output_sections and section_offsets.
4307         (Sized_relobj::write_sections): Likewise.
4308         (Sized_relobj::relocate_sections): Likewise.
4309         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4310         * output.h (class Output_reloc): Update declarations.  Change
4311         u2_.relobj to Sized_relobj*.
4312         (class Output_data_reloc): Change add functions to use
4313         Sized_relobj*.
4314         * output.cc (Output_reloc::Output_reloc): Change relobj to
4315         Sized_relobj*.
4316         (Output_reloc::local_section_offset): Change return type to
4317         Elf_Addr.  Use get_output_section_offset.
4318         (Output_reloc::get_address): Likewise.
4319         (Output_section::is_input_address_mapped): Don't call
4320         is_section_specially_mapped.
4321         (Output_section::output_offset): Likewise.
4322         (Output_section::output_address): Likewise.
4323         (Output_section::starting_output_address): Likewise.
4324         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4325         parameter to Sized_relobj*.
4326         (Copy_relocs::need_copy_reloc): Likewise.
4327         (Copy_relocs::save): Likewise.
4328         * copy-relocs.h (class Copy_relocs): Update declarations.
4329         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4330         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4331         * target-reloc.h (relocate_for_relocatable): Change
4332         offset_in_output_section type to Elf_Addr.  Change code that uses
4333         it as well.
4334         * layout.cc (Layout::layout): Always set *off.
4335         * mapfile.cc (Mapfile::print_input_section): Use
4336         output_section_offset.
4337         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4338         Sized_relobj*.
4339         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4340         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4341         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4342
4343 2008-07-03  Ian Lance Taylor  <[email protected]>
4344
4345         * layout.cc (Layout::include_section): Do not discard unrecognized
4346         SHT_STRTAB sections.
4347
4348 2008-06-30  Craig Silverstein  <[email protected]>
4349
4350         * script.cc (Lex::can_continue_name): Make '?' allowable in
4351         version-script names.
4352         * testsuite/version_script.map: Change glob pattern to use '?'
4353
4354 2008-06-30  Manish Singh  <[email protected]>
4355
4356         PR 6585
4357         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4358         Correct typo.
4359
4360 2008-06-30  Ian Lance Taylor  <[email protected]>
4361
4362         PR 6660
4363         PR 6682
4364         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4365         versions]: Don't try to read the value in the contents, since we
4366         don't use it.  Use the template endianness when writing.
4367
4368 2008-06-25  Cary Coutant  <[email protected]>
4369
4370         * fileread.cc (File_read::make_view): Assert on zero-length view.
4371         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4372         symbol table when there are no symbols to read.
4373
4374 2008-06-23  Craig Silverstein  <[email protected]>
4375
4376         * version.cc (version_string): Bump to 1.7
4377
4378 2008-06-18  Craig Silverstein  <[email protected]>
4379
4380         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4381         constant 0xFFFF to type Valtype.
4382         (Powerpc_relocate_functions::rel16_ha): Likewise.
4383
4384 2008-06-17  Ian Lance Taylor  <[email protected]>
4385
4386         * output.h (Output_section::Input_section): Initialize p2align_ to
4387         zero for Output_section_data constructors.
4388         (Output_section::Input_section::addralign): If not an input
4389         section, return the alignment of the Output_section_data.
4390         * testsuite/copy_test.cc: New file.
4391         * testsuite/copy_test_1.cc: New file.
4392         * testsuite/copy_test_2.cc: New file.
4393         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4394         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4395         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4396         (copy_test_1_pic.o, copy_test_1.so): New targets.
4397         (copy_test_2_pic.o, copy_test_2.so): New targets.
4398         * testsuite/Makefile.in: Rebuild.
4399
4400         * script-sections.cc (Script_sections::place_orphan): Initialize
4401         local variable exact.
4402
4403 2008-06-13  David Edelsohn  <[email protected]>
4404
4405         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4406
4407 2008-06-12  David Edelsohn  <[email protected]>
4408             David S. Miller  <[email protected]>
4409
4410         * powerpc.cc: New file.
4411         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4412         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4413         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4414         * Makefile.in: Rebuild.
4415
4416 2008-06-09  Ian Lance Taylor  <[email protected]>
4417
4418         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4419         <exception>.
4420         (throwing, orig_terminate): New static variables.
4421         (terminate_handler): New static function.
4422         (t2): Set terminate handler.
4423
4424 2008-06-05  Kris Van Hees  <[email protected]>
4425
4426         PR 6584
4427         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4428         alignment.
4429
4430 2008-05-30  Cary Coutant  <[email protected]>
4431
4432         * archive.cc (Archive::include_all_members) Correct to step
4433         over symbol table and extended name table in thin archives.
4434
4435 2008-05-29  Kris Van Hees  <[email protected]>
4436
4437         PR 6407
4438         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4439         calculation.
4440
4441 2008-05-28  Caleb Howe  <[email protected]>
4442
4443         * reduced_debug_output.cc: New file.
4444         * reduced_debug_output.h: New file.
4445         * options.h (class General_options): Add --strip-debug-non-line.
4446         * options.cc (General_options::finalize): Add strip_debug_non_line
4447         to the strip heirarchy.
4448         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4449         fields.
4450         * layout.cc: Include "reduced_debug_output.h".
4451         (Layout::Layout): Initialize new fields.
4452         (line_only_debug_sections): New static array.
4453         (is_lines_only_debug_sections): New static inline function.
4454         (Layout::include_section): Handle --strip-debug-non-line.
4455         (Layout::make_output_section): If --strip-debug-non-line, build
4456         new output sections for .debug_abbrev and .debug_info.
4457         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4458         gold.  Warn about possible overflow.
4459         (read_signed_LEB_128): Likewise.
4460         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4461         (read_signed_LEB_128): Declare.
4462         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4463         (HFILES): Add reduced_debug_output.h.
4464         * Makefile.in: Rebuild.
4465
4466 2008-05-21  Ian Lance Taylor  <[email protected]>
4467
4468         * mapfile.cc: New file.
4469         * mapfile.h: New file.
4470         * options.h (class General_options): Add -M/--print-map and -Map.
4471         * options.cc (General_options::finalize): Make -M equivalent to
4472         -Map -.
4473         * main.cc: Include <cstdio> and "mapfile.h".
4474         (main): Open mapfile if requested.
4475         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4476         constructor.  Change caller.
4477         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4478         (queue_middle_tasks): Likewise.
4479         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4480         declarations.
4481         * archive.cc: Include "mapfile.h".
4482         (Archive::add_symbols): Add mapfile parameter.  Change all
4483         callers.  Pass mapfile, symbol, and reason to include_member.
4484         (Archive::include_all_members): Add mapfile parameter.  Change all
4485         callers.
4486         (Archive::include_member): Add mapfile, sym, and why parameters.
4487         Change all callers.  Report inclusion to map file.
4488         * archive.h: Include "fileread.h".
4489         (class Archive): Update declarations.
4490         (Archive::file): New const method.
4491         (class Add_archive_symbols): Add mapfile_ field.  Update
4492         constructor.  Change all callers.
4493         * readsyms.h (class Read_symbols): Likewise.
4494         (class Finish_group): Likewise.
4495         (class Read_script): Likewise.
4496         * common.cc: Include "mapfile.h".
4497         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4498         all callers.
4499         (Symbol_table::do_allocate_commons): Likewise.
4500         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4501         symbol allocation to mapfile.
4502         * common.h (class Allocate_commons_task): Add mapfile_ field.
4503         Update constructor.  Change all callers.
4504         * symtab.h (class Symbol_table): Update declarations.
4505         * layout.cc: Include "mapfile.h".
4506         (Layout_task_runner::run): Print information to mapfile.
4507         (Layout::create_gold_note): Change Output_data_fixed_space to
4508         Output_data_zero_fill.
4509         (Layout::create_build_id): Likewise.
4510         (Layout::print_to_mapfile): New function.
4511         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4512         constructor.  Change caller.
4513         (class Layout): Declare print_to_mapfile.
4514         * output.cc (Output_section::Input_section::print_to_mapfile): New
4515         function.
4516         (Output_section::add_input_section): If producing a map, always
4517         add to input_sections_ list.
4518         (Output_section::do_print_to_mapfile): New function.
4519         (Output_segment::print_sections_to_mapfile): New function.
4520         (Output_segment::print_section_list_to_mapfile): New function.
4521         * output.h: Include "mapfile.h".
4522         (Output_data::print_to_mapfile): New function.
4523         (Output_data::do_print_to_mapfile): New virtual function.
4524         (Output_segment_headers::do_print_to_mapfile): New function.
4525         (Output_file_header::do_print_to_mapfile): New function.
4526         (Output_data_const::do_print_to_mapfile): New function.
4527         (class Output_data_const_buffer): Add map_name_ field.  Update
4528         constructor.  Change all callers.  Add do_print_to_mapfile
4529         function.
4530         (class Output_data_fixed_space): Likewise.
4531         (class Output_data_space): Likewise.
4532         (class Output_data_zero_fill): New class.
4533         (Output_data_strtab::do_print_to_mapfile): New function.
4534         (Output_data_reloc_base::do_print_to_mapfile): New function.
4535         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4536         (Output_data_group::do_print_to_mapfile): New function.
4537         (Output_data_got::do_print_to_mapfile): New function.
4538         (Output_data_dynamic::do_print_to_mapfile): New function.
4539         (Output_symtab_xindex::do_print_to_mapfile): New function.
4540         (class Output_section): Declare do_print_to_mapflie.  Declare
4541         print_to_mapfile in Input_section.
4542         (class Output_segment): Declare new functions.
4543         * object.h (Sized_relobj::symbol_count): New function.
4544         * script-sections.cc
4545         (Output_section_element_dot_assignment::set_section_addresses):
4546         Change Output_data_fixed_space to Output_data_zero_fill.
4547         (Output_data_expression::do_print_to_mapfile): New function.
4548         * script.cc (read_input_script): Add mapfile parameter.  Change
4549         all callers.
4550         * script.h (read_input_script): Update declaration.
4551         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4552         (Eh_frame::do_print_to_mapfile): New function.
4553         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4554         (Output_merge_string::do_print_to_mapfile): New function.
4555         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4556         function.
4557         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4558         function.
4559         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4560         function.
4561         * Makefile.am (CCFILES): Add mapfile.cc.
4562         (HFILES): Add mapfile.h.
4563         * Makefile.in: Rebuild.
4564
4565 2008-05-19  Ian Lance Taylor  <[email protected]>
4566
4567         * options.h (class General_options): Add -z relro.
4568         * layout.cc (Layout::Layout): Initialize relro_segment_.
4569         (Layout::add_output_section_data): Return the output section.
4570         (Layout::make_output_section): Rcognize relro sections and mark
4571         them appropriately.
4572         (Layout::attach_allocated_section_to_segment): Put relro sections
4573         in a PT_GNU_RELRO segment.
4574         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4575         section as relro.
4576         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4577         PT_TLS segments.
4578         (Layout::linkonce_mapping): Map d.rel.ro.local to
4579         .data.rel.ro.local.
4580         (Layout::output_section_name): Us .data.rel.ro.local for any
4581         section which begins with that.
4582         * layout.h (class Layout): Update add_output_section_data
4583         declaration.  Add relro_segment_ field.
4584         * output.cc (Output_section::Output_section): Initialize is_relro_
4585         and is_relro_local_ fields.
4586         (Output_segment::add_output_section): Group relro sections.
4587         (Output_segment::is_first_section_relro): New function.
4588         (Output_segment::maximum_alignment): If there is a relro section,
4589         align the segment to the common page size.
4590         (Output_segment::set_section_addresses): Track whether we are
4591         looking at relro sections.  If the last section is a relro
4592         section, align to the common page size.
4593         (Output_segment::set_section_list_addresses): Add in_relro
4594         parameter.  Change all callers.  Align to the page size when
4595         moving from relro to non-relro section.
4596         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4597         segment.
4598         * output.h (class Output_section): Add is_relro_ and
4599         is_relro_local_ fields.
4600         (Output_section::is_relro): New function.
4601         (Output_section::set_is_relro): New function.
4602         (Output_section::is_relro_local): New function.
4603         (Output_section::set_is_relro_local): New function.
4604         (class Output_segment): Update declarations.
4605         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4606         * sparc.cc (Target_sparc::got_section): Likewise.
4607         * x86_64.cc (Target_x86_64::got_section): Likewise.
4608         * testsuite/relro_test_main.cc: New file.
4609         * testsuite/relro_test.cc: New file.
4610         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4611         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4612         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4613         (relro_test.so, relro_test_pic.o): New targets.
4614         * testsuite/Makefile.in: Rebuild.
4615
4616 2008-05-16  Ian Lance Taylor  <[email protected]>
4617
4618         * output.cc (Output_segment::add_output_section): Remove front
4619         parameter.
4620         * output.h (class Output_segment): Remove
4621         add_initial_output_section and overloaded add_output_section.
4622         Update declaration of remaining add_output_section.
4623         * layout.cc (Layout::create_interp): Call add_output_section
4624         rather than add_initial_output_section.
4625         (Layout::finish_dynamic_section): Likewise.
4626
4627         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4628         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4629         know the dynamic type.
4630         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4631         field.  Initialize it in constructor.
4632         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4633         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4634         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4635         reloc.
4636
4637         * output.cc (Output_reloc::get_address): Change return type to
4638         Elf_Addr.
4639         * output.h (class Output_reloc): Update get_address declaration.
4640         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4641         for section addresses.
4642
4643 2008-05-09  Ian Lance Taylor  <[email protected]>
4644
4645         PR 6493
4646         * gold.cc (gold_nomem): Use return value of write.
4647
4648 2008-05-08  Ian Lance Taylor  <[email protected]>
4649
4650         * symtab.c (Symbol::init_base_output_data): Add version
4651         parameter.  Change all callers.
4652         (Symbol::init_base_output_segment): Likewise.
4653         (Symbol::init_base_constant): Likewise.
4654         (Symbol::init_base_undefined): Likewise.
4655         (Sized_symbol::init_output_data): Likewise.
4656         (Sized_symbol::init_output_segment): Likewise.
4657         (Sized_symbol::init_constant): Likewise.
4658         (Sized_symbol::init_undefined): Likewise.
4659         (Symbol_table::do_define_in_output_data): If the new symbol has a
4660         version, mark it as the default.
4661         (Symbol_table::do_define_in_output_segment): Likewise.
4662         (Symbol_table::do_define_as_constant): Likewise.
4663         * symtab.h (class Symbol): Update declarations.
4664         (class Sized_symbol): Likewise.
4665         * resolve.cc (Symbol::override_version): New function.
4666         (Symbol::override_base): Call override_version.
4667         (Symbol::override_base_with_special): Likewise.
4668         * testsuite/ver_script_8.script: New file.
4669         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4670         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4671         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4672         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4673
4674 2008-05-06  Ian Lance Taylor  <[email protected]>
4675
4676         PR 6049
4677         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4678         functions.
4679         (class General_options): Remove existing --undefined, and add
4680         --no-undefined instead.  Add new --undefined as synonym for -u.
4681         * archive.cc (Archive::add_symbols): Check whether symbol was
4682         named with -u.
4683         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4684         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4685         all uses.  Add IS_UNDEFINED.  Update declarations to split
4686         different versions of init_base.  Declare init_base_undefined.
4687         (Symbol::is_defined): Handle IS_UNDEFINED.
4688         (Symbol::is_undefined): Likewise.
4689         (Symbol::is_weak_undefined): Call is_undefined.
4690         (Symbol::is_absolute): Handle IS_CONSTANT.
4691         (class Sized_symbol): Update declarations to split different
4692         versions of init.  Declare init_undefined.
4693         (class Symbol_table): Declare new functions.
4694         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4695         Change all callers.
4696         (Symbol::init_base_output_data): Likewise.
4697         (Symbol::init_base_output_segment): Likewise.
4698         (Symbol::init_base_constant): Likewise.
4699         (Symbol::init_base_undefined): New function.
4700         (Sized_symbol::init_object): Rename from init.  Change all
4701         callers.
4702         (Sized_symbol::init_output_data): Likewise.
4703         (Sized_symbol::init_output_segment): Likewise.
4704         (Sized_symbol::init_constant): Likewise.
4705         (Sized_symbol::init_undefined): New function.
4706         (Symbol_table::add_undefined_symbols_from_command_line): New
4707         function.
4708         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4709         function.
4710         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4711         (Symbol::output_section): Likewise.
4712         (Symbol::set_output_section): Likewise.
4713         (Symbol_table::sized_finalize_symbol): Likewise.
4714         (Symbol_table::sized_write_globals): Likewise.
4715         * resolve.cc (Symbol_table::should_override): Likewise.
4716         (Symbol::override_base_with_special): Likewise.
4717
4718         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4719         symbol, change it to have default visibility.
4720         * testsuite/protected_1.cc: New file.
4721         * testsuite/protected_2.cc: New file.
4722         * testsuite/protected_3.cc: New file.
4723         * testsuite/protected_main_1.cc: New file.
4724         * testsuite/protected_main_2.cc: New file.
4725         * testsuite/protected_main_3.cc: New file.
4726         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4727         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4728         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4729         (protected_1.so): New target.
4730         (protected_1_pic.o, protected_2_pic.o): New targets.
4731         (protected_3_pic.o): New target.
4732         (check_PROGRAMS): Add protected_2.
4733         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4734         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4735         * testsuite/Makefile.in: Rebuild.
4736
4737         * options.h (DEFINE_var): Add set_user_set_##varname__.
4738         (DEFINE_bool_alias): New macro.
4739         (class General_options): Define -Bstatic using DEFINE_bool_alias
4740         rather than DEFINE_special.  Add --undefined as an alias for -z
4741         defs.
4742         * options.cc (General_options::parse_Bstatic): Remove.
4743
4744         * options.h (class General_options): Add --fatal-warnings.
4745         * main.cc (main): Implement --fatal-warnings.
4746         * errors.h (Errors::warning_count): New function.
4747
4748         * options.h (class General_options): Add -Bsymbolic-functions.
4749         * symtab.h (Symbol::is_preemptible): Check for
4750         -Bsymbolic-functions.
4751
4752 2008-05-05  Ian Lance Taylor  <[email protected]>
4753
4754         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4755         as noVARNAME rather than no-VARNAME.
4756         (class General_options): Add option -z combreloc.
4757         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4758         get_address.
4759         (Output_reloc::sort_before) [SHT_REL]: New function.
4760         (Output_reloc::sort_before) [SHT_RELA]: New function.
4761         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4762         Sort_relocs_comparison.
4763         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4764         parameter.  Change all callers.
4765         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4766         sort_relocs parameter.  Change all callers.
4767         * output.cc (Output_reloc::get_address): New function, broken out
4768         of write_rel.
4769         (Output_reloc::write_rel): Call it.
4770         (Output_reloc::compare): New function.
4771         (Output_data_reloc_base::do_write): Optionally sort relocs.
4772
4773         * configure.ac: If targ_extra_obj is set, link it in.
4774         * configure.tgt: Initialize all variables.
4775         (x86_64*): Set targ_extra_obj and targ_extra_size.
4776         * configure: Rebuild.
4777
4778         * object.cc (Sized_relobj::include_section_group): Adjust section
4779         indexes read from group data.  Build vector to pass to
4780         layout_group.
4781         * layout.cc (Layout::layout_group): Add flags and shndxes
4782         parameters.  Remove contents parameter.  Change caller.  Update
4783         explicit instantiations.
4784         * layout.h (class Layout): Update layout_group declaration.
4785         * output.cc (Output_data_group::Output_data_group): Add flags and
4786         input_shndxes parameters.  Remove contents parameter.  Change
4787         caller.
4788         (Output_data_group::do_write): Change input_sections_ to
4789         input_shndxes_.
4790         * output.h (class Output_data_group): Update constructor
4791         declaration.  Rename input_sections_ to input_shndxes_.
4792         * testsuite/many_sections_test.cc: Add template.
4793
4794 2008-04-30  Cary Coutant  <[email protected]>
4795
4796         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4797
4798         * layout.cc (Layout::include_section): Refactored check for debug
4799         info section.
4800         (Layout::add_comdat): Add new parameters.  Change type
4801         of signature parameter.  Add object and shndx to signatures table.
4802         (Layout::find_kept_object): New function.
4803         * layout.h: Include <cstring>.
4804         (Layout::is_debug_info_section): New function.
4805         (Layout::add_comdat): Add new parameters.
4806         (Layout::find_kept_object): New function.
4807         (Layout::Kept_section): New struct.
4808         (Layout::Signatures): Change type of map range.
4809         * object.cc (Relobj::output_section_address): New function.
4810         (Sized_relobj::include_section_group): Add new parameters.  Change
4811         calls to Layout::add_comdat.  Change to build table of kept comdat
4812         groups and table mapping discarded sections to kept sections.
4813         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4814         (Sized_relobj::do_layout): Change calls to include_section_group and
4815         include_linkonce_section.
4816         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4817         value to zero when section is discarded.
4818         (Sized_relobj::map_to_kept_section): New function.
4819         * object.h (Relobj::output_section_address): New function.
4820         (Relobj::Comdat_group): New type.
4821         (Relobj::find_comdat_group): New function.
4822         (Relobj::Comdat_group_table): New type.
4823         (Relobj::Kept_comdat_section): New type.
4824         (Relobj::Kept_comdat_section_table): New type.
4825         (Relobj::add_comdat_group): New function.
4826         (Relobj::set_kept_comdat_section): New function.
4827         (Relobj::get_kept_comdat_section): New function.
4828         (Relobj::comdat_groups_): New field.
4829         (Relobj::kept_comdat_sections_): New field.
4830         (Symbol_value::input_value): Update comment.
4831         (Sized_relobj::map_to_kept_section) New function.
4832         (Sized_relobj::include_linkonce_section): Add new parameter.
4833         * target-reloc.h (Comdat_behavior): New type.
4834         (get_comdat_behavior): New function.
4835         (relocate_section): Add code to map a discarded section to the
4836         corresponding kept section when applying a relocation.
4837
4838 2008-04-30  Craig Silverstein  <[email protected]>
4839
4840         * dwarf_reader.cc (next_generation_count): New static var.
4841         (Addr2line_cache_entry): New struct.
4842         (addr2line_cache): New static var.
4843         (Dwarf_line_info::one_addr2line): Added caching.
4844         (Dwarf_line_info::clear_addr2line_cache): New function.
4845         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4846         cache-size parameter.
4847         (Dwarf_line_info::one_addr2line_cache): New function.
4848         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4849         new cache-size argument to one_addr2line(), and clear cache.
4850
4851 2008-04-28  Cary Coutant  <[email protected]>
4852
4853         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4854         R_386_PC8 relocations.
4855
4856 2008-04-23  Ian Lance Taylor  <[email protected]>
4857
4858         * object.cc (Sized_relobj::include_section_group): Check for
4859         invalid section group.
4860
4861         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4862         header size.
4863
4864         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4865         than read for file header.
4866         * archive.cc (Archive::include_member): Likewise.
4867
4868 2008-04-23  Paolo Bonzini  <[email protected]>
4869
4870         * aclocal.m4: Regenerate.
4871         * configure: Regenerate.
4872
4873 2008-04-19  Ian Lance Taylor  <[email protected]>
4874
4875         * version.cc (version_string): Bump to 1.6.
4876
4877         * testsuite/Makefile.am (many_sections_r_test): New target.
4878         (many_sections_r_test_SOURCES): Remove.
4879         (many_sections_r_test_DEPENDENCIES): Remove.
4880         (many_sections_r_test_LDFLAGS): Remove.
4881         (many_sections_r_test_LDADD): Remove.
4882
4883         * object.cc (Sized_relobj::do_add_symbols): Always pass
4884         local_symbol_count_ to add_from_relobj.
4885
4886         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4887         every thousand variables.
4888         * testsuite/Makefile.in: Rebuild.
4889
4890         * object.cc (Xindex::initialize_symtab_xindex): New function.
4891         (Xindex::read_symtab_xindex): New function.
4892         (Xindex::sym_xindex_to_shndx): New function.
4893         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4894         available.
4895         (Sized_relobj::do_initialize_xindex): New function.
4896         (Sized_relobj::do_read_symbols): Adjust section links.
4897         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4898         parameter.  Change all callers.
4899         (Sized_relobj::include_section_group): Adjust section links and
4900         symbol section indexes.
4901         (Sized_relobj::do_layout): Adjust section links.
4902         (Sized_relobj::do_count_local_symbols): Adjust section links and
4903         symbol section indexes.
4904         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4905         ordinary and special symbols.
4906         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4907         dynsym_xindex parameters.  Change all callers.  Adjust section
4908         links.  Use SHN_XINDEX when needed.
4909         (Sized_relobj::get_symbol_location_info): Adjust section links.
4910         Don't get fooled by special symbols.
4911         * object.h (class Xindex): Define.
4912         (class Object): Add xindex_ parameter.  Declare virtual functoin
4913         do_initialize_xindex.
4914         (Object::adjust_sym_shndx): New function.
4915         (Object::set_xindex): New protected function.
4916         (class Symbol_value): Add is_ordinary_shndx_ field.
4917         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4918         (Symbol_value::value): Assert ordinary section.
4919         (Symbol_value::initialize_input_to_output_map): Likewise.
4920         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4921         Change all callers.
4922         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4923         all callers.
4924         (class Sized_relobj): Update declarations.
4925         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4926         parameter.  Change all callers.
4927         (Sized_relobj::adjust_shndx): New function.
4928         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4929         field.
4930         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4931         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4932         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4933         (Sized_dynobj::read_dynsym_section): Adjust section links.
4934         (Sized_dynobj::read_dynamic): Likewise.
4935         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4936         section links.
4937         (Sized_dynobj::do_initialize_xindex): New function.
4938         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4939         do_initialize_xindex.
4940         (Sized_dynobj::adjust_shndx): New function.
4941         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4942         dynsym_xindex_ fields.
4943         (Layout::finalize): Add a call to set_section_indexes before
4944         creating the symtab sections.
4945         (Layout::set_section_indexes): Don't do anything if the section
4946         already has a section index.
4947         (Layout::create_symtab_sections): Add shnum parameter.  Change
4948         caller.  Create .symtab_shndx section if needed.
4949         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4950         caller.
4951         (Layout::allocated_output_section_count): New function.
4952         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4953         needed.
4954         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4955         fields.  Update declarations.
4956         (Layout::symtab_xindex): New function.
4957         (Layout::dynsym_xindex): New function.
4958         (class Write_symbols_task): Add layout_ field.
4959         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4960         Change caller.
4961         * output.cc (Output_section_headers::Output_section_headers): Add
4962         shstrtab_section parameter.  Change all callers.
4963         (Output_section_headers::do_sized_write): Store overflow values
4964         for section count and section string table section index in
4965         section header zero.
4966         (Output_file_header::do_sized_write): Check for overflow of
4967         section count and section string table section index.
4968         (Output_symtab_xindex::do_write): New function.
4969         (Output_symtab_xindex::endian_do_write): New function.
4970         * output.h (class Output_section_headers): Add shstrtab_section_.
4971         Update declarations.
4972         (class Output_symtab_xindex): Define.
4973         (Output_section::has_out_shndx): New function.
4974         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4975         field.
4976         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4977         Change all callers.
4978         (Sized_symbol::init): Likewise.
4979         (Symbol::output_section): Check for ordinary symbol.
4980         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4981         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4982         callers.
4983         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4984         Change all callers.  Simplify handling of symbols from sections
4985         not included in the link.
4986         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4987         distinction.
4988         (Weak_alias_sorter::operator()): Assert that symbols are
4989         ordinary.
4990         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4991         distinction.
4992         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4993         parameters.  Change all callers.
4994         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4995         symbol distinction.  Use SHN_XINDEX when needed.
4996         (Symbol_table::write_section_symbol): Add symtab_xindex
4997         parameter.  Change all callers.
4998         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4999         SHN_XINDEX when needed.
5000         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
5001         declarations.
5002         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
5003         (Symbol::is_defined): Check is_ordinary.
5004         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5005         (Symbol::is_absolute, Symbol::is_common): Likewise.
5006         (class Sized_symbol): Update declarations.
5007         (class Symbol_table): Update declarations.
5008         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5009         parameters.  Change all callers.
5010         (Sized_symbol::override): Likewise.
5011         (Symbol_table::override): Likewise.
5012         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
5013         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
5014         is_ordinary, and orig_st_shndx parameters.  Change all callers.
5015         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5016         to be in an ordinary section.
5017         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5018         object and is_ordinary parameters.  Change all callers.
5019         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5020         Change all callers.  Don't add undefined or non-ordinary symbols
5021         to reloc_map_.
5022         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5023         Change all callers.
5024         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5025         declarations.
5026         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5027         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5028         (Sized_relobj::relocate_sections): Likewise.
5029         * target-reloc.h (scan_relocs): Adjust section symbol index.
5030         (scan_relocatable_relocs): Likewise.
5031         * i386.cc (Scan::local): Check for ordinary symbols.
5032         * sparc.cc (Scan::local): Likewise.
5033         * x86_64.cc (Scan::local): Likewise.
5034         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5035         to symbol_section_and_value.
5036         * testsuite/many_sections_test.cc: New file.
5037         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5038         (check_PROGRAMS): Add many_sections_test.
5039         (many_sections_test_SOURCES): Define.
5040         (many_sections_test_DEPENDENCIES): Define.
5041         (many_sections_test_LDFLAGS): Define.
5042         (BUILT_SOURCES): Add many_sections_define.h.
5043         (many_sections_define.h): New target.
5044         (BUILT_SOURCES): Add many_sections_check.h.
5045         (many_sections_check.h): New target.
5046         (check_PROGRAMS): Add many_sections_r_test.
5047         (many_sections_r_test_SOURCES): Define.
5048         (many_sections_r_test_DEPENDENCIES): Define.
5049         (many_sections_r_test_LDFLAGS): Define.
5050         (many_sections_r_test_LDADD): Define.
5051         (many_sections_r_test.o): New target.
5052         * testsuite/Makefile.in: Rebuild.
5053
5054 2008-04-17  Cary Coutant  <[email protected]>
5055
5056         * errors.cc (Errors::info): New function.
5057         (gold_info): New function.
5058         * errors.h (Errors::info): New function.
5059         * gold.h (gold_info): New function.
5060         * object.cc (Input_objects::add_object): Print trace output.
5061         * options.cc (options::parse_set): New function.
5062         (General_options::parse_wrap): Deleted.
5063         (General_options::General_options): Deleted initializer.
5064         * options.h (options::String_set): New typedef.
5065         (options::parse_set): New function.
5066         (DEFINE_set): New macro.
5067         (General_options::wrap): Changed to use DEFINE_set. Changed
5068         callers of any_wrap_symbols and is_wrap_symbol.
5069         (General_options::trace, General_options::trace_symbol):
5070         New options.
5071         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5072         (General_options::wrap_symbols_): Deleted.
5073         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5074
5075 2008-04-17  David S. Miller  <[email protected]>
5076
5077         * options.cc (General_options::parse_V): New function.
5078         * options.h: Add entries for -V and -Qy.
5079
5080 2008-04-17  Ian Lance Taylor  <[email protected]>
5081
5082         * common.cc (Symbol_table::allocate_commons): Remove options
5083         parameter.  Change caller.
5084         (Symbol_table::do_allocate_commons): Remove options parameter.
5085         Change caller.  Just call do_allocate_commons_list twice.
5086         (Symbol_table::do_allocate_commons_list): New function, broken out
5087         of do_allocate_commons.
5088         * common.h (class Allocate_commons_task): Remove options_ field.
5089         Update constructor.
5090         * symtab.cc (Symbol_table::Symbol_table): Initialize
5091         tls_commons_.
5092         (Symbol_table::add_from_object): Put TLS common symbols on
5093         tls_commons_ list.
5094         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5095         which are IN_OUTPUT_DATA.
5096         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5097         allocate_commons and do_allocate_commons declarations.  Declare
5098         do_allocate_commons_list.
5099         * gold.cc (queue_middle_tasks): Update creation of
5100         Allocate_commons_task to not pass options.
5101         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5102         (TLS_TEST_C_FLAGS): New variable.
5103         (tls_test_c_pic.o): New target.
5104         (tls_test_shared.so): Link in tls_test_c_pic.o.
5105         (tls_test_c_pic_ie.o): New target.
5106         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5107         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5108         (tls_test_c.o): New target.
5109         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5110         (tls_pic_test_LDADD): Likewise.
5111         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5112         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5113         (tls_test_c_gnu2.o): New target.
5114         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5115         tls_test_c_gnu2.o.
5116         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5117         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5118         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5119         * testsuite/tls_test.cc: Include "config.h".
5120         (t_last): Call t11_last.
5121         * testsuite/tls_test.h (t11, t11_last): Declare.
5122         * testsuite/tls_test_c.c: New file.
5123         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5124         * configure.ac: Check for OpenMP support.
5125         * configure, config.in, Makefile.in: Rebuild.
5126         * testsuite/Makefile.in: Rebuild.
5127
5128 2008-04-16  Cary Coutant  <[email protected]>
5129
5130         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5131         (Target_i386::tls_base_symbol_defined_): New field.
5132         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5133         (Target_i386::Scan::global): Likewise.
5134         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5135         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5136         (Target_x86_64::tls_base_symbol_defined_): New field.
5137         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5138         (Target_x86_64::Scan::global): Likewise.
5139
5140 2008-04-16  Cary Coutant  <[email protected]>
5141
5142         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5143         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5144         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5145         building shared libraries.
5146         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5147         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5148         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5149         * testsuite/Makefile.in: Rebuild.
5150         * testsuite/weak_undef.h: New file.
5151         * testsuite/weak_undef_file1.cc: Add extra test cases.
5152         * testsuite/weak_undef_file2.cc: Likewise.
5153         * testsuite/weak_undef_test.cc: Likewise.
5154
5155 2008-04-16  David S. Miller  <[email protected]>
5156
5157         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5158         Add issued_non_pic_error_ field.  Declare check_non_pic.
5159         (Target_sparc::Scan::check_non_pic): New function.
5160         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5161         (Target_sparc::Scan::global): Likewise.
5162
5163         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5164         * configure: Rebuild.
5165
5166         * options.h (DEFINE_enable): New macro.
5167         (new_dtags): New enable option.
5168         (initfirst, interpose, loadfltr, nodefaultlib,
5169         nodelete, nodlopen, nodump): New -z options.
5170         * layout.cc (Layout:finish_dynamic_section): If new
5171         dtags enabled, emit DT_RUNPATH.  Also, emit a
5172         DT_FLAGS_1 containing any specified -z flags.
5173
5174 2008-04-16  Ian Lance Taylor  <[email protected]>
5175
5176         * copy-relocs.cc: New file.
5177         * copy-relocs.h: New file.
5178         * reloc.cc: Remove Copy_relocs code.
5179         * reloc.h: Likewise.
5180         * reloc-types.h (struct Reloc_types) [both versions]: Add
5181         get_reloc_addend_noerror.
5182         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5183         variants of add_global which take an addend which must be zero.
5184         * i386.cc: Include "copy-relocs.h".
5185         (class Target_i386): Change type of copy_relocs_ to variable,
5186         update initializer.
5187         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5188         Change all callers.
5189         (Target_i386::do_finalize_sections): Change handling of
5190         copy_relocs_.
5191         * sparc.cc: Include "copy-relocs.h".
5192         (class Target_sparc): Change type of copy_relocs_ to variable,
5193         update initializer.
5194         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5195         Change all callers.
5196         (Target_sparc::do_finalize_sections): Change handling of
5197         copy_relocs_.
5198         * x86_64.cc: Include "copy-relocs.h".
5199         (class Target_x86_64): Change type of copy_relocs_ to variable,
5200         update initializer.
5201         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5202         class.  Change all callers.
5203         (Target_x86_64::do_finalize_sections): Change handling of
5204         copy_relocs_.
5205         * Makefile.am (CCFILES): Add copy-relocs.cc.
5206         (HFILES): Add copy-relocs.h.
5207
5208         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5209
5210         * testsuite/script_test_4.sh: Permit leading zeroes.
5211
5212 2008-04-15  Ian Lance Taylor  <[email protected]>
5213
5214         * script-sections.cc (Script_sections::create_segments): Use
5215         header_size_adjustment even when there is enough room for the
5216         headers.
5217         * testsuite/script_test_4.sh: New file.
5218         * testsuite/script_test_4.t: New file.
5219         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5220         (check_DATA): Add script_test_4.stdout.
5221         (MOSTLYCLEANFILES): Likewise.
5222         (script_test_4): New target.
5223         (script_test_4.stdout): New target.
5224         * testsuite/Makefile.in: Rebuild.
5225
5226         * sparc.cc: Add definitions for Output_data_plt_sparc class
5227         constants.
5228
5229 2008-04-14  David S. Miller  <[email protected]>
5230
5231         * sparc.cc: New file.
5232         * Makefile.am (TARGETSOURCES): Add sparc.cc
5233         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5234         * configure.tgt: Document targ_extra_size and
5235         targ_extra_big_endian.  Add entries for sparc-* and
5236         sparc64-*.
5237         * configure.ac: Handle targ_extra_size and
5238         targ_extra_big_endian.
5239         * Makefile.in: Rebuild.
5240         * configure: Likewise.
5241         * po/POTFILES.in: Likewise.
5242         * po/gold.pot: Likewise.
5243
5244 2008-04-14  Ian Lance Taylor  <[email protected]>
5245
5246         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5247         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5248         in the name/type/flags to section mapping.  Don't call
5249         allocate_output_section.
5250         (Layout::choose_output_section): Change parameter from adjust_name
5251         to is_input_section.  Don't permit input sections after sections
5252         are attached to segments.  Don't call allocate_output_section.
5253         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5254         not write_enable_output_section.
5255         (Layout::make_output_section): Don't push to
5256         unattached_section_list_ nor call attach_to_segment.  Call
5257         attach_section_to_segment if sections are attached.
5258         (Layout::attach_sections_to_segments): New function.
5259         (Layout::attach_section_to_segment): New function.
5260         (Layout::attach_allocated_section_to_segment): Rename from
5261         attach_to_segment.  Remove flags parameter.
5262         (Layout::allocate_output_section): Remove function.
5263         (Layout::write_enable_output_section): Remove function.
5264         * layout.h (class Layout): Update for above changes.  Add new
5265         field sections_are_attached_.
5266         * output.h (Output_section::update_flags_for_input_section): New
5267         function.
5268         * output.cc (Output_section::add_input_section): Call
5269         update_flags_for_input_section.
5270         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5271
5272 2008-04-11  Cary Coutant  <[email protected]>
5273
5274         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5275         thought unnecessary.
5276         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5277
5278 2008-04-11  Ian Lance Taylor  <[email protected]>
5279
5280         * output.h (class Output_section_data): Remove inline definition
5281         of set_addralign.
5282         * output.cc (Output_section_data::set_addralign): New function.
5283
5284 2008-04-11  Cary Coutant  <[email protected]>
5285
5286         Add support for TLS descriptors for i386 and x86_64.
5287         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5288         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5289         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5290         GOT_TYPE_TLS_DESC.
5291         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5292         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5293         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5294         relocations.
5295         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5296         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5297         Fix problem with initial-exec relocations.
5298         (Target_i386::Relocate::relocate_tls): Likewise.
5299         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5300         relaxation.
5301         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5302         support for section-plus-offset dynamic table entries.
5303         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5304         (Output_data_dynamic::Dynamic_entry): Add support for
5305         section-plus-offset dynamic table entries.
5306         (Output_data_dynamic::Classification): Likewise.
5307         (Output_data_dynamic::classification_): Renamed offset_.
5308         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5309         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5310         (Target_x86_64::make_plt_section): New function.
5311         (Target_x86_64::reserve_tlsdesc_entries): New function.
5312         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5313         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5314         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5315         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5316         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5317         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5318         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5319         add extra PLT entry for TLS descriptors.
5320         (Output_data_plt_x86_64::got_): New field.
5321         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5322         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5323         fields.
5324         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5325         descriptors.
5326         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5327         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5328         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5329         R_386_TLS_DESC_CALL relocations.
5330         (Target_x86_64::Scan::global): Likewise.
5331         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5332         for TLS descriptors.
5333         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5334         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5335         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5336         GD-to-IE relaxation.
5337         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5338         and TLS_DESCRIPTORS.
5339         * Makefile.in: Rebuild.
5340         * configure: Rebuild.
5341         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5342         (tls_test_shared2.so): New target.
5343         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5344         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5345         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5346         (tls_shared_gd_to_ie_test_LDADD): New variable.
5347         (tls_shared_gnu2_gd_to_ie_test): New target.
5348         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5349         New targets.
5350         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5351         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5352         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5353         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5354         (tls_shared_gnu2_test): New target.
5355         (tls_test_gnu2_shared.so): New target.
5356         (tls_shared_gnu2_test_SOURCES): New variable.
5357         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5358         (tls_shared_gnu2_test_LDFLAGS): New variable.
5359         (tls_shared_gnu2_test_LDADD): New variable.
5360         * testsuite/Makefile.in: Rebuild.
5361         * testsuite/Makefile.
5362
5363 2008-04-11  Ian Lance Taylor  <[email protected]>
5364
5365         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5366         justsyms.t.
5367         * testsuite/Makefile.in: Rebuild.
5368
5369         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5370         long.
5371         * testsuite/script_test_2.cc (main): Adjust test.
5372
5373 2008-04-11  David S. Miller  <[email protected]>
5374             Ian Lance Taylor  <[email protected]>
5375
5376         * options.h (General_options): Add entries for '-Y' and
5377         '-relax'.
5378         * options.cc (General_options:finalize): If -Y was used, add those
5379         entries to the library path instead of the default "/lib" and
5380         "/usr/lib".
5381
5382 2008-04-11  David S. Miller  <[email protected]>
5383
5384         * testsuite/justsyms.t: Start at 0x100.
5385         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5386         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5387         long.
5388         * testsuite/script_test_2.cc: Adjust string and section length
5389         checks.
5390
5391 2008-04-09  Ian Lance Taylor  <[email protected]>
5392
5393         PR gold/5996
5394         * script-sections.cc (Sections_element::allocate_to_segment): Add
5395         orphan parameter.
5396         (Output_section_definition::allocate_to_segment): Likewise.
5397         (Orphan_output_section::allocate_to_segment): Likewise.
5398         (Script_sections::attach_sections_using_phdrs_clause): Don't
5399         propagate non-PT_LOAD segments to orphan sections.
5400         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5401         readelf rather than objdump.
5402         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5403         .interp section and PT_INTERP segment are the same size.
5404         * testsuite/Makefile.in: Rebuild.
5405
5406         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5407         aliases for symbols defined in the same object.
5408         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5409         (weak_alias_test_SOURCES): New variable.
5410         (weak_alias_test_DEPENDENCIES): New variable.
5411         (weak_alias_test_LDFLAGS): New variable.
5412         (weak_alias_test_LDADD): New variable.
5413         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5414         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5415         (weak_alias_test_3.o): New target.
5416         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5417         * testsuite/weak_alias_test_main.cc: New file.
5418         * testsuite/weak_alias_test_1.cc: New file.
5419         * testsuite/weak_alias_test_2.cc: New file.
5420         * testsuite/weak_alias_test_3.cc: New file.
5421
5422 2008-04-08  Ian Lance Taylor  <[email protected]>
5423
5424         * options.h (class General_options): Add --noinhibit-exec option.
5425         * main.cc (main): Check --noinhibit-exec.
5426
5427         * options.h (class General_options): Define --wrap as a special
5428         option.  Add wrap_symbols_ field.
5429         (General_options::any_wrap_symbols): New function.
5430         (General_options::is_wrap_symbol): New function.
5431         * options.cc (General_options::parse_wrap): New function.
5432         (General_options::General_options): Initialize wrap_symbols_.
5433         * symtab.cc (Symbol_table::wrap_symbol): New function.
5434         (Symbol_table::add_from_object): Handle --wrap.
5435         * symtab.h (class Symbol_table): Declare wrap_symbol.
5436         * target.h (Target::wrap_char): New function.
5437         (Target::Target_info): Add wrap_char field.
5438         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5439         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5440         * testsuite/testfile.cc (Target_test::test_target_info):
5441         Likewise.
5442
5443         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5444         there is one.
5445
5446         * layout.h (class Layout): Add added_eh_frame_data_ field.
5447         * layout.cc (Layout::Layout): Initialize new field.
5448         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5449         output section until we find a section we merged successfully.
5450         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5451         that the size be non-zero.
5452
5453         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5454         qualifier.
5455
5456 2008-04-08  Craig Silverstein  <[email protected]>
5457
5458         * configure.ac: Export new conditional variable HAVE_ZLIB.
5459         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5460         on HAVE_ZLIB.
5461         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5462         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5463
5464 2008-04-07  Ian Lance Taylor  <[email protected]>
5465
5466         * version.cc (version_string): Set to "1.5".
5467
5468         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5469         Add issued_non_pic_error_ field.  Declare check_non_pic.
5470         (Target_x86_64::Scan::check_non_pic): New function.
5471         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5472         (Target_x86_64::Scan::global): Likewise.
5473
5474         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5475         addend parameter.  Change caller.  Handle merge sections.
5476         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5477         Address to Addend.  Don't add in the result of
5478         local_section_offset, pass down the addend and use the returned
5479         value.
5480         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5481         Update declarations of local_section_offset and symbol_value.
5482         * testsuite/two_file_test_1.cc (t18): New function.
5483         * testsuite/two_file_test_2.cc (f18): New function.
5484         * testsuite/two_file_test_main.cc (main): Call t18.
5485         * testsuite/two_file_test.h (t18, f18): Declare.
5486
5487         * configure.ac: Don't test for objdump, c++filt, or readelf.
5488         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5489         conditionals.
5490         (TEST_READELF): New variable.
5491         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5492         (check_PROGRAMS): Add two_file_strip_test.
5493         (two_file_strip_test): New target.
5494         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5495         (two_file_same_shared_strip_test_SOURCES): New variable.
5496         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5497         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5498         (two_file_same_shared_strip_test_LDADD): New variable.
5499         (two_file_shared_strip.so): New target.
5500         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5501         (ver_test_5.syms, ver_test_7.syms): Likewise.
5502         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5503         (strip_test_3.stdout): Use TEST_OBJDUMP.
5504         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5505
5506 2008-04-04  Cary Coutant  <[email protected]>
5507
5508         * symtab.h (Symbol::is_weak_undefined): New function.
5509         (Symbol::is_strong_undefined): New function.
5510         (Symbol::is_absolute): New function.
5511         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5512         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5513         absolute symbols.
5514         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5515         (weak_undef_test): New target.
5516         * testsuite/Makefile.in: Rebuild.
5517         * testsuite/weak_undef_file1.cc: New file.
5518         * testsuite/weak_undef_file2.cc: New file.
5519         * testsuite/weak_undef_test.cc: New file.
5520
5521 2008-04-03  Craig Silverstein  <[email protected]>
5522
5523         * compressed_output.h (class Output_compressed_section): Use
5524         unsigned buffer.
5525         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5526         add zlib header.
5527         (zlib_compressed_suffix): Removed.
5528         (Output_compressed_section::set_final_data_size): Use unsigned
5529         buffers.
5530         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5531         Fix linker invocation.
5532         (flagstest_o_specialfile_and_compress_debug_sections):
5533         Likewise.
5534         * testsuite/Makefile.in: Regenerated.
5535
5536 2008-04-02  David S. Miller  <[email protected]>
5537
5538         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5539         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5540
5541 2008-04-02  Craig Silverstein  <[email protected]>
5542
5543         * TODO: New file.
5544
5545 2008-04-02  Ian Lance Taylor  <[email protected]>
5546
5547         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5548         parameters.  Update for new key type to views_.  Change all
5549         callers.
5550         (File_read::read): Adjust for byteshift in returned view.
5551         (File_read::add_view): New function, broken out of
5552         find_and_make_view.
5553         (File_read::make_view): New function, broken out of
5554         find_and_make_view.
5555         (File_read::find_or_make_view): Add offset and aligned
5556         parameters.  Rewrite accordingly.  Change all callers.
5557         (File_read::get_view): Add offset and aligned parameters.  Adjust
5558         for byteshift in return value.
5559         (File_read::get_lasting_view): Likewise.
5560         * fileread.h (class File_read): Update declarations.
5561         (class File_read::View): Add byteshift_ field.  Add byteshift to
5562         constructor.  Add byteshift method.
5563         * archive.h (Archive::clear_uncached_views): New function.
5564         (Archive::get_view): Add aligned parameter.  Change all callers.
5565         * object.h (Object::get_view): Add aligned parameter.  Change all
5566         callers.
5567         (Object::get_lasting_view): Likewise.
5568
5569         * fileread.cc (File_read::release): Don't call clear_views if
5570         there are multiple objects.
5571         * fileread.h (File_read::clear_uncached_views): New function.
5572         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5573         on the archive.
5574
5575 2008-03-31  Cary Coutant  <[email protected]>
5576
5577         Add thin archive support.
5578         * archive.cc (Archive::armagt): New const.
5579         (Archive::setup): Remove task parameter and calls to unlock.
5580         (Archive::unlock_nested_archives): New function.
5581         (Archive::read_header): Add nested_off parameter. Change
5582         all callers.
5583         (Archive::interpret_header): Likewise.
5584         (Archive::include_all_members): Change to handle thin
5585         archives.
5586         (Archive::include_member): Likewise.
5587         * archive.h (Archive::Archive): Add new parameters and
5588         initializers.
5589         (Archive::armagt): New const.
5590         (Archive::setup): Remove task parameter.
5591         (Archive::unlock_nested_archives): New function.
5592         (Archive::read_header): Add nested_off parameter.
5593         (Archive::interpret_header): Likewise.
5594         (Archive::Nested_archive_table): New typedef.
5595         (Archive::is_thin_archive_): New field.
5596         (Archive::nested_archives_): New field.
5597         (Archive::options_): New field.
5598         (Archive::dirpath_): New field.
5599         (Archive::task_): New field.
5600         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5601         for thin archives.  Pass additional parameters to
5602         Archive::Archive.  Unlock the archive file after calling
5603         Archive::setup.
5604
5605 2008-03-29  Ian Lance Taylor  <[email protected]>
5606
5607         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5608         version symbol to be local.
5609         * testsuite/ver_test_4.sh: New file.
5610         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5611         (check_DATA): Add ver_test_4.syms.
5612         (ver_test_4.syms): New target.
5613         * testsuite/Makefile.in: Rebuild.
5614
5615         * output.cc
5616         (Output_section::Input_section_sort_entry::has_priority): New
5617         function.
5618         (Output_section::Input_section_sort_entry::match_file_name): New
5619         function.
5620         (Output_section::Input_section_sort_entry::match_section_name):
5621         Remove.
5622         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5623         Remove.
5624         (Output_section::Input_section_sort_entry::match_section_file):
5625         Remove.
5626         (Output_section::Input_section_sort_compare::operator()): Rewrite
5627         using new Input_section_sort_entry functions.  Sort crtbegin and
5628         crtend first.  Sort sections with no priority before sections with
5629         a priority.
5630         * testsuite/initpri1.c (d3): Check j != 4.
5631         (cd5): New constructor/destructor function.
5632         (main): Check j != 2.
5633
5634         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5635         new symbol when resolving, don't call set_is_default.
5636         * testsuite/ver_test_7.cc: New file.
5637         * testsuite/ver_test_7.sh: New file.
5638         * testsuite/Makefile.am (ver_test_7.so): New target.
5639         (ver_test_7.o): New target.
5640         (check_SCRIPTS): Add ver_test_7.sh.
5641         (check_DATA): Add ver_test_7.syms.
5642         (ver_test_7.syms): New target.
5643
5644 2008-03-28  Ian Lance Taylor  <[email protected]>
5645
5646         * layout.cc (Layout::layout): If we see an input section with a
5647         name that needs sorting, set the must_sort flag for the output
5648         section.
5649         (Layout::make_output_section): If the name of the output section
5650         indicates that it might require sorting, set the may_sort flag.
5651         * output.h (Output_section::may_sort_attached_input_sections): New
5652         function.
5653         (Output_section::set_may_sort_attached_input_sections): New
5654         function.
5655         (Output_section::must_sort_attached_input_sections): New
5656         function.
5657         (Output_section::set_must_sort_attached_input_sections): New
5658         function.
5659         (class Output_section): Declare Input_section_sort_entry.  Define
5660         Input_section_sort_compare.  Declare
5661         sort_attached_input_sections.  Add new fields:
5662         may_sort_attached_input_sections_,
5663         must_sort_attached_input_sections_,
5664         attached_input_sections_are_sorted_.
5665         * output.cc (Output_section::Output_section): Initialize new
5666         fields.
5667         (Output_section::add_input_section): Add an entry to
5668         input_sections_ if may_sort or must_sort are true.
5669         (Output_section::set_final_data_size): Call
5670         sort_attached_input_sections if necessary.
5671         (Output_section::Input_section_sort_entry): Define new class.
5672         (Output_section::Input_section_sort_compare::operator()): New
5673         function.
5674         (Output_section::sort_attached_input_sections): New function.
5675         * configure.ac: Check whether the compiler supports constructor
5676         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5677         * testsuite/initpri1.c: New file.
5678         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5679         CONSTRUCTOR_PRIORITY.
5680         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5681         (initpri1_LDFLAGS): New variable.
5682         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5683
5684 2008-03-27  Ian Lance Taylor  <[email protected]>
5685
5686         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5687         * testsuite/common_test_1.c: New file.
5688         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5689         (common_test_1_SOURCES): New variable.
5690         (common_test_1_DEPENDENCIES): New variable.
5691         (common_test_1_LDFLAGS): New variable.
5692
5693         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5694         and commons_ correctly when NAME/VERSION does not override
5695         NAME/NULL.
5696         * testsuite/ver_test_6.c: New file.
5697         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5698         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5699         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5700
5701 2008-03-26  Ian Lance Taylor  <[email protected]>
5702
5703         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5704         of an undefined symbol from a version script.
5705         * testsuite/Makefile.am (ver_test_5.so): New target.
5706         (ver_test_5.o): New target.
5707         (check_SCRIPTS): Add ver_test_5.sh.
5708         (check_DATA): Add ver_test_5.syms.
5709         (ver_test_5.syms): New target.
5710         * testsuite/ver_test_5.cc: New file.
5711         * testsuite/ver_test_5.script: New file.
5712         * testsuite/ver_test_5.sh: New file.
5713         * Makefile.in, testsuite/Makefile.in: Rebuild.
5714
5715         PR gold/5986
5716         Fix problems building gold with gcc 4.3.0.
5717         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5718         (gold_error_at_location, gold_warning_at_location): Use it.
5719         * configure.ac: Check whether we can compile and use a template
5720         function with a printf attribute.
5721         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5722         when jumping over bytes.
5723         * object.cc: Instantiate Object::read_section_data.
5724         * debug.h: Include <cstring>
5725         * dwarf_reader.cc: Include <algorithm>
5726         * main.cc: Include <cstring>.
5727         * options.cc: Include <cstring>.
5728         * output.cc: Include <cstring>.
5729         * script.cc: Include <cstring>.
5730         * script.h: Include <string>.
5731         * symtab.cc: Include <cstring> and <algorithm>.
5732         * target-select.cc: Include <cstring>.
5733         * version.cc: Include <string>.
5734         * testsuite/testmain.cc: Include <cstdlib>.
5735         * configure, config.in: Rebuild.
5736
5737 2008-03-25  Ian Lance Taylor  <[email protected]>
5738
5739         * options.cc: Include "../bfd/bfdver.h".
5740         (options::help): Print bug reporting address.
5741
5742         * version.cc (print_version): Adjust output for current value of
5743         BFD_VERSION_STRING.
5744
5745         * NEWS: New file.
5746
5747         * options.cc (options::help): Print list of supported targets.
5748         * target-select.h: Include <vector>.
5749         (class Target_selector): Make machine_, size_, and is_big_endian_
5750         fields const.  Add bfd_name_ and instantiated_target_ fields.
5751         (Target_selector::Target_selector): Add bfd_name parameter.
5752         (Target_selector::recognize): Make non-virtual, call
5753         do_recognize.
5754         (Target_selector::recognize_by_name): Make non-virtual, call
5755         do_recognize_by_name.
5756         (Target_selector::supported_names): New function.
5757         (Target_selector::bfd_name): New function.
5758         (Target_selector::do_instantiate_target): New pure virtual
5759         function.
5760         (Target_selector::do_recognize): New virtual function.
5761         (Target_selector::do_recognize_by_name): New virtual function.
5762         (Target_selector::instantiate_target): New private function.
5763         (supported_target_names): Declare.
5764         * target-select.cc (Target_selector::Target_selector): Update for
5765         new parameter and fields.
5766         (select_target_by_name): Check that the name matches before
5767         calling recognize_by_name.
5768         (supported_target_names): New function.
5769         * i386.cc (class Target_selector_i386): Update Target_selector
5770         constructor call.  Remove recognize and recognize_by_name.  Add
5771         do_instantiate_target.
5772         * x86_64.cc (class Target_selector_x86_64): Likewise.
5773         * testsuite/testfile.cc (class Target_selector_test): Update for
5774         changes to Target_selector.
5775
5776         * README: Rewrite, with some notes on unsupported features.
5777
5778 2008-03-24  Cary Coutant  <[email protected]>
5779
5780         * i386.cc (Target_i386::Got_type): New enum declaration.
5781         (Target_i386::Scan::local): Updated callers of Output_data_got
5782         member functions.
5783         (Target_i386::Scan::global): Likewise.
5784         (Target_i386::Relocate::relocate): Likewise.
5785         (Target_i386::Relocate::relocate_tls): Likewise.
5786         * object.h (Got_offset_list): New class.
5787         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5788         (Sized_relobj::local_got_offset): Likewise.
5789         (Sized_relobj::set_local_got_offset): Likewise.
5790         (Sized_relobj::local_has_tls_got_offset): Removed.
5791         (Sized_relobj::local_tls_got_offset): Removed.
5792         (Sized_relobj::set_local_tls_got_offset): Removed.
5793         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5794         * output.cc (Output_data_got::add_global): Added got_type parameter.
5795         (Output_data_got::add_global_with_rel): Likewise.
5796         (Output_data_got::add_global_with_rela): Likewise.
5797         (Output_data_got::add_global_pair_with_rel): New function.
5798         (Output_data_got::add_global_pair_with_rela): New function.
5799         (Output_data_got::add_local): Added got_type parameter.
5800         (Output_data_got::add_local_with_rel): Likewise.
5801         (Output_data_got::add_local_with_rela): Likewise.
5802         (Output_data_got::add_local_pair_with_rel): New function.
5803         (Output_data_got::add_local_pair_with_rela): New function.
5804         (Output_data_got::add_global_tls): Removed.
5805         (Output_data_got::add_global_tls_with_rel): Removed.
5806         (Output_data_got::add_global_tls_with_rela): Removed.
5807         (Output_data_got::add_local_tls): Removed.
5808         (Output_data_got::add_local_tls_with_rel): Removed.
5809         (Output_data_got::add_local_tls_with_rela): Removed.
5810         * output.h (Output_data_got::add_global): Added got_type parameter.
5811         (Output_data_got::add_global_with_rel): Likewise.
5812         (Output_data_got::add_global_with_rela): Likewise.
5813         (Output_data_got::add_global_pair_with_rel): New function.
5814         (Output_data_got::add_global_pair_with_rela): New function.
5815         (Output_data_got::add_local): Added got_type parameter.
5816         (Output_data_got::add_local_with_rel): Likewise.
5817         (Output_data_got::add_local_with_rela): Likewise.
5818         (Output_data_got::add_local_pair_with_rel): New function.
5819         (Output_data_got::add_local_pair_with_rela): New function.
5820         (Output_data_got::add_global_tls): Removed.
5821         (Output_data_got::add_global_tls_with_rel): Removed.
5822         (Output_data_got::add_global_tls_with_rela): Removed.
5823         (Output_data_got::add_local_tls): Removed.
5824         (Output_data_got::add_local_tls_with_rel): Removed.
5825         (Output_data_got::add_local_tls_with_rela): Removed.
5826         * resolve.cc (Symbol::override_base_with_special): Removed
5827         reference to has_got_offset_ field.
5828         * symtab.cc (Symbol::init_fields): Replaced initialization
5829         of got_offset_ with got_offsets_.  Removed initialization
5830         of has_got_offset_
5831         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5832         (Symbol::got_offset): Likewise.
5833         (Symbol::set_got_offset): Likewise.
5834         (Symbol::has_tls_got_offset): Removed.
5835         (Symbol::tls_got_offset): Removed.
5836         (Symbol::set_tls_got_offset): Removed.
5837         (Symbol::got_offset_): Removed.
5838         (Symbol::tls_mod_got_offset_): Removed.
5839         (Symbol::tls_pair_got_offset_): Removed.
5840         (Symbol::got_offsets_): New field.
5841         (Symbol::has_got_offset): Removed.
5842         (Symbol::has_tls_mod_got_offset): Removed.
5843         (Symbol::has_tls_pair_got_offset): Removed.
5844         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5845         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5846         member functions.
5847         (Target_x86_64::Scan::global): Likewise.
5848         (Target_x86_64::Relocate::relocate): Likewise.
5849         (Target_x86_64::Relocate::relocate_tls): Likewise.
5850
5851 2008-03-25  Ben Elliston  <[email protected]>
5852
5853         * yyscript.y: Fix spelling error in comment.
5854
5855 2008-03-24  Ian Lance Taylor  <[email protected]>
5856
5857         * options.h (class General_options): Define build_id option.
5858         * layout.h (class Layout): Declare write_build_id, create_note,
5859         create_build_id.  Add build_id_note_ member.
5860         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5861         "libiberty.h", "md5.h", "sha1.h".
5862         (Layout::Layout): Initialize eh_frame_data_,
5863         eh_frame_hdr_section_, and build_id_note_.
5864         (Layout::finalize): Call create_build_id.
5865         (Layout::create_note): New function, broken out of
5866         Layout::create_gold_note.
5867         (Layout::create_gold_note): Call create_note.
5868         (Layout::create_build_id): New function.
5869         (Layout::write_build_id): New function.
5870         (Close_task_runner::run): Call write_build_id.
5871
5872         * x86_64.cc: Correct license to GPLv3.
5873
5874 2008-03-23  Ian Lance Taylor  <[email protected]>
5875
5876         * options.cc: Include "demangle.h".
5877         (parse_optional_string): New function.
5878         (parse_long_option): Handle takes_optional_argument.
5879         (parse_short_option): Update dash_z initializer.  Handle
5880         takes_optional_argument.
5881         (General_options::General_options): Initialize do_demangle_.
5882         (General_options::finalize): Set do_demangle_.  Handle demangling
5883         style.
5884         * options.h (parse_optional_string): Declare.
5885         (struct One_option): Add optional_arg field.  Update constructor.
5886         Update call constructor calls.  Add takes_optional_argument
5887         function.
5888         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5889         (DEFINE_optional_string): Define.
5890         (General_options::demangle): Change from DEFINE_bool to
5891         DEFINE_optional_string.
5892         (General_options::no_demangle): New function.
5893         (General_options::do_demangle): New function.
5894         (General_options::set_do_demangle): New function.
5895         (General_options::execstack_status_): Move definition to end of
5896         class definition.
5897         (General_options::static_): Likewise.
5898         (General_options::do_demangle_): New field.
5899         * object.cc (big_endian>::get_symbol_location_info): Call
5900         Options::do_demangle, not Options::demangle.
5901         * symtab.cc (demangle): Likewise.
5902
5903 2008-03-22  Ian Lance Taylor  <[email protected]>
5904
5905         * gold.h: Include <cstddef> and <sys/types.h>
5906         * options.h: Include <cstring>.
5907
5908 2008-03-21  Ian Lance Taylor  <[email protected]>
5909
5910         * Added source code to GNU binutils.