3 * archive.cc: Include incremental.h.
4 (Archive::Archive): Initialize incremental_info_.
5 (Archive::include_member): Record archive members in incremental info.
6 (Add_archive_symbols::run): Record begin and end of an archive in
8 (Lib_group::include_member): Record objects in incremental info.
9 * archive.h (Incremental_archive_entry): Forward declaration.
10 (Archive::set_incremental_info): New member function.
11 (Archive::incremental_info): New member function.
12 (Archive::Unused_symbol_iterator): New class.
13 (Archive::unused_symbols_begin): New member function.
14 (Archive::unused_symbols_end): New member function.
15 (Archive::incremental_info_): New data member.
16 * incremental-dump.cc (find_input_containing_global): New function.
17 (dump_incremental_inputs): Dump new incremental info sections.
18 * incremental.cc: Include symtab.h.
19 (Output_section_incremental_inputs): New class.
20 (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
21 new incremental info sections.
22 (Sized_incremental_binary::do_check_inputs): Likewise.
23 (Incremental_inputs::report_archive): Remove.
24 (Incremental_inputs::report_archive_begin): New function.
25 (Incremental_inputs::report_archive_end): New function.
26 (Incremental_inputs::report_object): New function.
27 (Incremental_inputs::finalize_inputs): Remove.
28 (Incremental_inputs::report_input_section): New function.
29 (Incremental_inputs::report_script): Rewrite.
30 (Incremental_inputs::finalize): Do nothing but finalize string table.
31 (Incremental_inputs::create_incremental_inputs_section_data): Remove.
32 (Incremental_inputs::sized_create_inputs_section_data): Remove.
33 (Incremental_inputs::create_data_sections): New function.
34 (Incremental_inputs::relocs_entsize): New function.
35 (Output_section_incremental_inputs::set_final_data_size): New function.
36 (Output_section_incremental_inputs::do_write): New function.
37 (Output_section_incremental_inputs::write_header): New function.
38 (Output_section_incremental_inputs::write_input_files): New function.
39 (Output_section_incremental_inputs::write_info_blocks): New function.
40 (Output_section_incremental_inputs::write_symtab): New function.
41 * incremental.h (Incremental_script_entry): Forward declaration.
42 (Incremental_object_entry): Forward declaration.
43 (Incremental_archive_entry): Forward declaration.
44 (Incremental_inputs): Forward declaration.
45 (Incremental_inputs_header_data): Remove.
46 (Incremental_inputs_header): Remove.
47 (Incremental_inputs_header_write): Remove.
48 (Incremental_inputs_entry_data): Remove.
49 (Incremental_inputs_entry): Remove.
50 (Incremental_inputs_entry_write): Remove.
51 (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
52 (Incremental_binary::find_incremental_inputs_sections): Add parameters.
53 (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
54 (Sized_ncremental_binary::do_find_incremental_inputs_sections):
56 (Incremental_input_entry): New class.
57 (Incremental_script_entry): New class.
58 (Incremental_object_entry): New class.
59 (Incremental_archive_entry): New class.
60 (Incremental_inputs::Incremental_inputs): Initialize new data members.
61 (Incremental_inputs::report_inputs): Remove.
62 (Incremental_inputs::report_archive): Remove.
63 (Incremental_inputs::report_archive_begin): New function.
64 (Incremental_inputs::report_archive_end): New function.
65 (Incremental_inputs::report_object): Change prototype.
66 (Incremental_inputs::report_input_section): New function.
67 (Incremental_inputs::report_script): Change prototype.
68 (Incremental_inputs::get_reloc_count): New function.
69 (Incremental_inputs::set_reloc_count): New function.
70 (Incremental_inputs::create_data_sections): New function.
71 (Incremental_inputs::create_incremental_inputs_section_data): Remove.
72 (Incremental_inputs::inputs_section): New function.
73 (Incremental_inputs::symtab_section): New function.
74 (Incremental_inputs::relocs_section): New function.
75 (Incremental_inputs::get_stringpool): Add const.
76 (Incremental_inputs::command_line): Add const.
77 (Incremental_inputs::inputs): Remove.
78 (Incremental_inputs::command_line_key): New function.
79 (Incremental_inputs::input_file_count): New function.
80 (Incremental_inputs::input_files): New function.
81 (Incremental_inputs::relocs_entsize): New function.
82 (Incremental_inputs::sized_create_inputs_section_data): Remove.
83 (Incremental_inputs::finalize_inputs): Remove.
84 (Incremental_inputs::Input_info): Remove.
85 (Incremental_inputs::lock_): Remove.
86 (Incremental_inputs::inputs_): Change type.
87 (Incremental_inputs::inputs_map_): Remove.
88 (Incremental_inputs::current_object_entry_): New data member.
89 (Incremental_inputs::inputs_section_): New data member.
90 (Incremental_inputs::symtab_section_): New data member.
91 (Incremental_inputs::relocs_section_): New data member.
92 (Incremental_inputs::reloc_count_): New data member.
93 (Incremental_inputs_reader): New class.
94 (Incremental_symtab_reader): New class.
95 (Incremental_relocs_reader): New class.
96 * layout.cc (Layout::finalize): Move finalization of incremental info
97 and creation of incremental info sections to follow finalization of
98 symbol table. Set offsets for postprocessing sections.
99 (Layout::create_incremental_info_sections): Call
100 Incremental_inputs::create_data_sections. Add incremental symtab
101 and relocs sections. Set sh_entsize and sh_link fields. Arrange for
102 sections to layout after input sections.
103 * layout.h (struct Timespec): Forward declaration.
104 (Layout::incremental_inputs): Add const.
105 (Layout::create_incremental_info_sections): Add parameter.
106 * main.cc (main): Remove call to Incremental_inputs::report_inputs.
107 * object.cc: Include incremental.h.
108 (Relobj::finalize_incremental_relocs): New function.
109 (Sized_relobj::do_layout): Record input sections in incremental info.
110 * object.h (Object::output_section): New function.
111 (Object::output_section_offset): Moved from Relobj.
112 (Object::get_incremental_reloc_base): New function.
113 (Object::get_incremental_reloc_count): New function.
114 (Object::do_output_section): New function.
115 (Object::do_output_section_offset): Moved from Relobj.
116 (Object::do_get_incremental_reloc_base): New function.
117 (Object::do_get_incremental_reloc_count): New function.
118 (Object::Object): Initialize new data members.
119 (Relobj::output_section): Renamed do_output_section and moved to
121 (Relobj::output_section_offset): Moved to Object.
122 (Relobj::do_get_incremental_reloc_base): New function.
123 (Relobj::do_get_incremental_reloc_count): New function.
124 (Relobj::allocate_incremental_reloc_counts): New function.
125 (Relobj::count_incremental_reloc): New function.
126 (Relobj::finalize_incremental_relocs): New function.
127 (Relobj::next_incremental_reloc_index): New function.
128 (Relobj::reloc_counts_): New data member.
129 (Relobj::reloc_bases_): New data member.
130 (Sized_relobj::do_relocate_sections): Add parameter. Change caller.
131 (Sized_relobj::relocate_sections): Add parameter. Change all callers.
132 (Sized_relobj::incremental_relocs_scan): New function.
133 (Sized_relobj::incremental_relocs_scan_reltype): New function.
134 (Sized_relobj::incremental_relocs_write): New function.
135 (Sized_relobj::incremental_relocs_write_reltype): New function.
136 * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
138 * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
139 archives and object files elsewhere.
140 (Add_symbols::run): Report object files here.
141 (Finish_group::run): Report end of archive at end of group.
142 * reloc.cc: Include layout.h, incremental.h.
143 (Sized_relobj::do_read_relocs): Need relocations for incremental link.
144 (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
145 (Sized_relobj::incremental_relocs_scan): New function.
146 (Sized_relobj::incremental_relocs_scan_reltype): New function.
147 (Sized_relobj::do_relocate_sections): Write incremental relocations.
148 (Sized_relobj::incremental_relocs_write): New function.
149 (Sized_relobj::incremental_relocs_write_reltype): New function.
150 * script.cc (read_input_script): Rewrite test for incremental link.
151 Change call to Incremental_inputs::report_script.
152 * symtab.h (Symbol_table::first_global_index): New function.
153 (Symbol_table::output_count): New function.
157 * arm.cc (Target_arm::merge_object_attributes): Check command line
158 options --no-wchar-size-warning and --no-enum-size-warning.
159 * options.h (General_options): Add ld-compatible options
160 --no-enum-size-warning and --no-wchar-size-warning.
164 * x86_64.cc (Target_x86_64::Scan::local): Use
165 R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
166 R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
167 (Target_x86_64::Scan::global): Likewise.
168 (Target_x86_64::Relocate::relocate): Likewise.
169 (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
174 * merge.cc (Output_merge_string::do_add_input_section): Count strings
175 to reserve space in merged_strings vector. Keep total input size
177 (Output_merge_string::do_print_merge_stats): Print total input size.
178 * merge.h (Output_merge_string): Add input_size_ field.
179 * stringpool.cc (Stringpool_template::string_length): Move
180 implementations out of Stringpool_template class and place in
182 * stringpool.h (string_length): Move out of Stringpool_template.
187 * layout.cc (relaxation_loop_body): If address of load segment is
188 set, adjust address to include headers if possible.
192 * version.cc (version_string): Bump to 1.10.
197 * layout.h (enum Output_section_order): Define.
198 (class Layout): Update declarations.
199 * layout.cc (Layout::get_output_section): Add order parameter.
200 Remove is_interp, is_dynamic_linker_section, is_last_relro, and
201 is_first_non_relro parameters. Change all callers.
202 (Layout::choose_output_section): Likewise.
203 (Layout::add_output_section_data): Likewise.
204 (Layout::make_output_section): Likewise. Set order.
205 (Layout::default_section_order): New function.
206 (Layout::layout_eh_frame): Call add_output_section_to_nonload.
207 * output.cc (Output_section::Output_section): Initialize order_.
208 Don't initialize deleted fields.
209 (Output_segment::Output_segment): Don't initialize deleted
211 (Output_segment::add_output_section_to_load): New function
212 replacing add_output_section. Change all callers to call this or
213 add_output_section_to_nonload.
214 (Output_segment::add_output_section_to_nonload): New function.
215 (Output_segment::remove_output_section): Rewrite.
216 (Output_segment::add_initial_output_data): Likewise.
217 (Output_segment::has_any_data_sections): Likewise.
218 (Output_segment::is_first_section_relro): Likewise.
219 (Output_segment::maximum_alignment): Likewise.
220 (Output_segment::has_dynamic_reloc): New function replacing
221 dynamic_reloc_count. Change all callers.
222 (Output_segment::has_dynamic_reloc_list): New function replacing
223 dynamic_reloc_count_list. Change all callers.
224 (Output_segment::set_section_addresses): Rewrite.
225 (Output_segment::set_offset): Rewrite.
226 (Output_segment::find_first_and_last_list): Remove.
227 (Output_segment::set_tls_offsets): Rewrite.
228 (Output_segment::first_section_load_address): Likewise.
229 (Output_segment::output_section_count): Likewise.
230 (Output_segment::section_with_lowest_load_address): Likewise.
231 (Output_segment::write_section_headers): Likewise.
232 (Output_segment::print_sections_to_map): Likewise.
233 * output.h (class Output_data): Remove dynamic_reloc_count_
234 field. Add has_dynamic_reloc_ field. Make bools into bitfields.
235 (Output_data::add_dynamic_reloc): Rewrite.
236 (Output_data::has_dynamic_reloc): New function.
237 (Output_data::dynamic_reloc_count): Remove.
238 (class Output_section): Add order_ field. Remvoe is_relro_local_,
239 is_last_relro_, is_first_non_relro_, is_interp_,
240 is_dynamic_linker_section_ fields. Add order and set_order
241 functions. Remove is_relro_local, set_is_relro_local,
242 is_last_relro, set_is_last_relro, is_first_non_relro,
243 set_is_first_non_relro functions, is_interp, set_is_interp,
244 is_dynamic_linker_section, and set_is_dynamic_linker_section
246 (class Output_segment): Change Output_data_list from std::list to
247 std:;vector. Add output_lists_ field. Remove output_data_ and
248 output_bss_ fields. Update declarations.
252 * arm.cc (Target_arm::gc_process_relocs): Use typename.
253 * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
254 * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
259 * script.cc (Script_options::Script_options): Initialize
260 symbol_definitions_ and symbol_references_.
261 (Script_options::add_symbol_assignment): Update
262 symbol_definitions_ and symbol_references_.
263 (Script_options::add_symbol_reference): New function.
264 (script_symbol): New function.
265 * script.h (class Script_options): Add symbol_definitions_ and
266 symbol_references_ fields.
267 (Script_options::referenced_const_iterator): New type.
268 (Script_options::referenced_begin): New function.
269 (Script_options::referenced_end): New function.
270 (Script_options::is_referenced): New function.
271 (Script_options::any_unreferenced): New function.
272 * script-c.h (script_symbol): Declare.
273 * yyscript.y (exp): Call script_symbol.
274 * symtab.cc: Include "script.h".
275 (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
276 Change all callers. Check symbols referenced by scripts.
277 (Symbol_table::add_undefined_symbols_from_command_line): Add
278 layout parameter. Change all callers.
279 (Symbol_table::do_add_undefined_symbols_from_command_line):
280 Likewise. Break out loop body. Check symbols referenced by
282 (Symbol_table::add_undefined_symbol_from_command_line): New
283 function broken out of
284 do_add_undefined_symbols_from_command_line.
285 * symtab.h (class Symbol_table): Update declarations.
286 * archive.cc: Include "layout.h".
287 (Archive::should_include_member): Add layout parameter. Change
288 all callers. Check for symbol mentioned in expression.
289 * archive.h (class Archive): Update declaration.
290 * object.cc (Sized_relobj::do_should_include_member): Add layout
292 * object.h (Object::should_include_member): Add layout parameter.
294 (Object::do_should_include_member): Add layout parameter.
295 (class Sized_relobj): Update declaration.
296 * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
298 * dynobj.h (class Sized_dynobj): Update declaration.
299 * plugin.cc (Sized_pluginobj::do_should_include_member): Add
301 * plugin.h (class Sized_pluginobj): Update declaration.
306 * output.cc (Output_segment::set_offset): Search for the first and
307 last sections rather than assuming that the list is in order.
308 (Output_segment::find_first_and_last_list): New function.
309 * output.h (class Output_segment): Update declarations.
310 * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
311 (relro_strip_test_SOURCES): New variable.
312 (relro_strip_test_DEPENDENCIES): New variable.
313 (relro_strip_test_LDFLAGS): New variable.
314 (relro_strip_test_LDADD): New variable.
315 (relro_strip_test.so): New target.
319 * i386.cc (class Target_i386): Add got_tlsdesc_ field.
320 (Target_i386::Target_i386):: Initialize got_tlsdesc_.
321 (Target_i386::got_tlsdesc_section): New function.
322 (Target_i386::got_section): Create space for GOT entries for
324 (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
326 (Target_i386::Scan::global): Likewise.
327 (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
329 * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
330 (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
331 (Target_x86_64::got_tlsdesc_section): New function.
332 (Target_x86_64::got_section): Create space for GOT entries for
334 (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
336 (Target_x86_64::Scan::global): Likewise.
337 (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
342 * testsuite/final_layout.sh: Use dc to convert from hex to
347 * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
348 paramter to the call to gold::gc_process_relocs.
349 * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
350 paramter to the call to gold::gc_process_relocs.
351 * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
352 parameter to the call to gold::gc_process_relocs.
353 * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
354 template parameter to the call to gold::gc_process_relocs.
355 * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
356 paramter to the call to gold::gc_process_relocs.
357 * gc.h (get_embedded_addend_size): New function.
358 (gc_process_relocs): Save the size of the reloc for use by ICF.
359 * icf.cc (get_section_contents): Get the addend from the text section
360 for SHT_REL relocation sections.
361 * icf.h (Icf::Reloc_addend_size_info): New typedef.
362 (Icf::Reloc_info): Add new member reloc_addend_size_info.
363 * int_encoding.h (read_from_pointer): New overloaded function.
364 * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
365 * testsuite/icf_sht_rel_addend_test.sh: New file.
366 * testsuite/icf_sht_rel_addend_test_1.cc: New file.
367 * testsuite/icf_sht_rel_addend_test_2.cc: New file.
371 * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
372 * Makefile.in: Regenerate.
373 * testsuite/Makefile.in: Regenerate.
377 * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
378 * gold/testsuite/debug_msg.cc: Likewise.
379 * gold/testsuite/odr_violation1.cc
380 * gold/testsuite/odr_violation2.cc
384 * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
385 string, and length fields.
386 (Output_merge_string::Merged_strings_list): New type.
387 (Output_merge_string::Merged_strings_lists): New typedef.
388 (Output_merge_string): Replace merged_strings_ with
389 merged_strings_lists_.
390 * merge.cc (Output_merge_string::do_add_input_section): Allocate new
391 Merged_strings_list per input object and section. Don't store pointer
392 to the string. Don't store length with each merged string entry.
393 (Output_merge_string::finalize_merged_data): Loop over list of merged
394 strings lists. Recompute length of each merged string.
398 * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
403 * descriptors.cc (Descriptors::open): Report correct name in error
408 * arm.cc (Arm_input_section::Arm_input_section): For a
409 SHT_ARM_EXIDX section, always keeps the input sections.
410 (Arm_input_section::set_exidx_section_link): New method.
411 (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
412 has_errors_ to false.
413 (Arm_exidx_input_section::has_errors,
414 Arm_exidx_input_section::set_has_errors): New methods.
415 (Arm_exidx_input_section::has_errors_): New data member.
416 (Arm_relobj::get_exidx_shndx_list): New method.
417 (Arm_output_section::append_text_sections_to_list): Do not skip
418 section without SHF_EXECINSTR.
419 (Arm_output_section::fix_exidx_coverage): Skip input sections with
421 (Arm_relobj::make_exidx_input_section): Add new parameter for text
422 section header. Make error messages more verbose. Check for
423 a non-executable section linked to an EXIDX section.
424 (Arm_relobj::do_read_symbols): Remove error checking, which has been
425 moved to Arm_relobj::make_exidx_input_section. Add an assertion to
426 check that there is no deferred EXIDX section if we exit early.
427 Instead of not making an EXIDX section in case of an error, make one
428 and set the has_errors flag of it.
429 (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
430 in a relocatable link.
431 (Target_arm::do_relax): Look for the EXIDX output section instead of
432 assuming that it is called .ARM.exidx.
433 (Target_arm::fix_exidx_coverage): Add a new parameter for input
434 section list. Do not check for SHF_EXECINSTR section flags but
435 skip any input section with errors.
436 * output.cc (Output_section::Output_section): Initialize
437 always_keeps_input_sections_ to false.
438 (Output_section::add_input_section): Check for
439 always_keeps_input_sections_.
440 * output.h (Output_section::always_keeps_input_sections,
441 Output_section::set_always_keeps_input_sections): New methods.
442 (Output_section::always_keeps_input_sections): New data member.
446 * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
447 * fileread.h (Input_file): Add try_extra_search_path and find_file.
452 * output.h (Output_section_lookup_maps::add_merge_section):
453 Correct check of whether value was inserted.
454 (Output_section_lookup_maps::add_merge_input_section): Likewise.
455 (Output_section_lookup_maps::add_relaxed_input_section):
457 * arm.cc (Target_arm::got_section): Remove used local os.
458 * i386.cc (Target_i386::got_section): Likewise.
459 * x86_64.cc (Target_x86_64::got_section): Likewise.
460 * sparc.cc (Target_sparc::got_section): Likewise.
461 (Target_sparc::relocate): Remove unused local have_got_offset.
462 * powerpc.cc (Target_powerpc::relocate): Likewise.
466 * compressed_output.cc (zlib_decompress): Fix signature in
469 * archive.cc (Archive::include_member): Unlock an external member
470 of a thin archive. Don't bother to delete an object we know is
475 * compressed_output.cc (zlib_decompress): New function.
476 (get_uncompressed_size): New function.
477 (decompress_input_section): New function.
478 * compressed_output.h (get_uncompressed_size): New function.
479 (decompress_input_section): New function.
480 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
481 Handle compressed debug sections.
482 * layout.cc (is_compressed_debug_section): New function.
483 (Layout::output_section_name): Map compressed section names to
485 * layout.h (is_compressed_debug_section): New function.
486 (is_debug_info_section): Recognize compressed debug sections.
487 * merge.cc: Include compressed_output.h.
488 (Output_merge_data::do_add_input_section): Handle compressed
490 (Output_merge_string::do_add_input_section): Handle compressed
492 * object.cc: Include compressed_output.h.
493 (Sized_relobj::Sized_relobj): Initialize new data members.
494 (build_compressed_section_map): New function.
495 (Sized_relobj::do_read_symbols): Handle compressed debug sections.
496 * object.h (Object::section_is_compressed): New method.
497 (Object::do_section_is_compressed): New method.
498 (Sized_relobj::Compressed_section_map): New type.
499 (Sized_relobj::do_section_is_compressed): New method.
500 (Sized_relobj::compressed_sections_): New data member.
501 * output.cc (Output_section::add_input_section): Handle compressed
503 * reloc.cc: Include compressed_output.h.
504 (Sized_relobj::write_sections): Handle compressed debug sections.
508 * resolve.cc (Symbol_table::resolve): Remember whether undef was
509 weak when resolving to a dynamic def.
510 (Symbol_table::should_override): Add adjust_dyndef flag; set it
511 for weak undef/dynamic def cases. Adjust callers.
512 * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
514 (Symbol_table::sized_write_globals): Adjust symbol binding.
515 (Symbol_table::sized_write_symbol): Add binding parameter.
516 * symtab.h (Symbol::set_undef_binding): New method.
517 (Symbol::is_undef_binding_weak): New method.
518 (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
519 (Symbol_table::should_override): Add new parameter.
520 (Symbol_table::sized_write_symbol): Add new parameter.
522 * testsuite/weak_undef_file1.cc: Add new test case.
523 * testsuite/weak_undef_file2.cc: Fix header comment.
524 * testsuite/weak_undef_test.cc: Add new test case.
528 * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
529 Initialize USE_SYMBOL_.
530 * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
532 (Arm_reloc_property::uses_symbol_): New data member declaration.
533 * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
534 uses symbol value and symbol is undefined but not weakly undefined.
538 * plugin.cc (Plugin::load): Use dlerror.
542 * symtab.cc (detect_odr_violations): When reporting an ODR
543 violation, report an object where the symbol is defined.
547 * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
548 (Target_arm::section_may_have_icf_unsafe_pointers): New method
550 (Target_arm::Scan::local_reloc_may_be_function_pointer,
551 Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
552 target hook to detect function points.
553 (Target_arm::Scan::possible_function_pointer_reloc): New method.
554 * icf.h (Icf::check_section_for_function_pointers): Change type of
555 parameter SECTION_NAME to const reference to std::string. Use
556 target hook to determine if section may have unsafe pointers.
557 * target.h (Target::section_may_have_icf_unsafe_pointers): New
562 * fileread.cc (Input_file::find_fie): New
563 (Input_file::open): Use Input_file::find_fie.
564 * fileread.h (Input_file::find_fie): New
565 * plugin.cc (set_extra_library_path): New.
566 (Plugin::load): Add set_extra_library_path to the transfer vector.
567 (Plugin_manager::set_extra_library_path): New.
568 (Plugin_manager::add_input_file): Use the extra search path if set.
569 (set_extra_library_path(): New.
570 * plugin.h (Plugin_manager): Add set_extra_library_path and
575 * layout.cc (gdb_sections): Add .debug_types.
576 (lines_only_debug_sections): Likewise.
580 * plugin.cc (add_input_file,add_input_library)
581 (Plugin_manager::add_input_file): Make filename arguments const.
582 * plugin.h (Plugin_manager::add_input_file): Make filename arguments
587 * arm.cc (Target_arm::do_finalize_sections): Do not emit an
588 .ARM.attributes section if we have not merged any input
593 * arm.cc: Allow combining objects with no EABI version
598 * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
602 * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
603 (struct iovec): Correct !HAVE_READV definition.
607 * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
608 (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
610 * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
613 * symtab.h (Symbol::is_placeholder): New member function.
614 * target-reloc.h (relocate_section): Check for placeholder symbols.
616 * testsuite/Makefile.am (plugin_test_8): New test.
617 (plugin_test_9): New test.
618 * testsuite/Makefile.in: Regenerate.
622 * yyscript.y (input_list_element): Allow strings prefixed with
623 the '-' character. Treat these as libraries.
624 * script.cc (script_add_library): New function. Adds a library
625 specified by "-l<name>" found in an input script.
626 * script-c.h: Add prototype for script_add_library.
630 * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
631 Restrict stub-group size to be within long conditional branch
632 range when working around cortex-A8 erratum.
636 * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
643 (Output_section::Input_section_sort_entry::compare_section_ordering):
644 Change to return non-zero correctly.
645 (Output_section::Input_section_sort_section_order_index_compare
646 ::operator()): Change to fix ambiguity in comparisons.
650 * gold.h (is_wildcard_string): New function.
651 * layout.cc (Layout::layout): Pass this pointer to add_input_section.
652 (Layout::layout_eh_frame): Ditto.
653 (Layout::find_section_order_index): New method.
654 (Layout::read_layout_from_file): New method.
655 * layout.h (Layout::find_section_order_index): New method.
656 (Layout::read_layout_from_file): New method.
657 (Layout::input_section_position_): New private member.
658 (Layout::input_section_glob_): New private member.
659 * main.cc (main): Call read_layout_from_file here.
660 * options.h (--section-ordering-file): New option.
661 * output.cc (Output_section::input_section_order_specified_): New
663 (Output_section::Output_section): Initialize new member.
664 (Output_section::add_input_section): Add new parameter.
665 Keep input sections when --section-ordering-file is used.
666 (Output_section::set_final_data_size): Sort input sections when
667 section ordering file is specified.
668 (Output_section::Input_section_sort_entry): Add new parameter.
670 (Output_section::Input_section_sort_entry::compare_section_ordering):
672 (Output_section::Input_section_sort_compare::operator()): Change to
673 consider section_order_index.
674 (Output_section::Input_section_sort_init_fini_compare::operator()):
675 Change to consider section_order_index.
676 (Output_section::Input_section_sort_section_order_index_compare
677 ::operator()): New method.
678 (Output_section::sort_attached_input_sections): Change to sort
679 according to section order when specified.
680 (Output_section::add_input_section<32, true>): Add new parameter.
681 (Output_section::add_input_section<64, true>): Add new parameter.
682 (Output_section::add_input_section<32, false>): Add new parameter.
683 (Output_section::add_input_section<64, false>): Add new parameter.
684 * output.h (Output_section::add_input_section): Add new parameter.
685 (Output_section::input_section_order_specified): New
687 (Output_section::set_input_section_order_specified): New method.
688 (Input_section::Input_section): Initialize section_order_index_.
689 (Input_section::section_order_index): New method.
690 (Input_section::set_section_order_index): New method.
691 (Input_section::section_order_index_): New member.
692 (Input_section::Input_section_sort_section_order_index_compare): New
694 (Output_section::input_section_order_specified_): New member.
695 * script-sections.cc (is_wildcard_string): Delete and move modified
697 (Output_section_element_input::Output_section_element_input): Modify
698 call to is_wildcard_string.
699 (Output_section_element_input::Input_section_pattern
700 ::Input_section_pattern): Ditto.
701 (Output_section_element_input::Output_section_element_input): Ditto.
702 * testsuite/Makefile.am (final_layout): New test case.
703 * testsuite/Makefile.in: Regenerate.
704 * testsuite/final_layout.cc: New file.
705 * testsuite/final_layout.sh: New file.
709 * plugin.cc (Plugin::load): Pass the output name to the plugin.
713 * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
714 visibility of symbols.
718 * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
719 from start of output section instead of address for a local symbol
720 in a merged or relaxed section when doing a relocatable link.
725 * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
726 adding sections the garbage collector removed.
727 * gold/testsuite/Makefile.am: Add test.
728 * gold/testsuite/Makefile.in: Regenerate.
729 * gold/testsuite/plugin_test_7.sh: New.
730 * gold/testsuite/plugin_test_7_1.c: New.
731 * gold/testsuite/plugin_test_7_2.c: New.
735 * script-sections.cc (Output_section_definition::set_section_addresses):
736 Check for --section-start.
740 * arm.cc (Arm_scan_relocatable_relocs): New class.
741 (Target_arm::relocate_special_relocatable): New method.
742 (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
743 (Arm_relocate_functions::thumb_branch_common): Same.
744 (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
745 instead of Default_scan_relocatable_relocs.
746 * target-reloc.h (relocate_for_relocatable): Let target handle
747 relocation strategy Relocatable_relocs::RELOC_SPECIAL.
748 * target.h (Sized_target::relocate_special_relocatable): New method.
752 * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
756 * arm.cc (Arm_input_section::do_output_offset): Use convert_types
758 (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
759 with a direct branch, not a conditional branch, to a stub.
760 * merge.cc (Output_merge_base::record_input_section): New method
762 (Output_merge_data::do_add_input_section): Record input section if
763 keeps-input-sections flag is set.
764 (Output_merge_string::do_add_input_section): Ditto.
765 * merge.h (Output_merge_base::Output_merge_base): Initialize new data
766 members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
768 (Output_merge_base::keeps_input_sections,
769 Output_merge_base::set_keeps_input_sections,
770 Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
772 (Output_merge_base::Input_sections): New type declaration.
773 (Output_merge_base::input_sections_begin,
774 Output_merge_base::input_sections_end,
775 Output_merge_base::do_set_keeps_input_sections): New method definitions.
776 (Output_merge_base::bool keeps_input_sections_,
777 Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
778 Output_merge_base::input_sections_): New data members.
779 (Output_merge_data::do_set_keeps_input_sections): New method
781 (Output_merge_string::do_set_keeps_input_sections): Ditto.
782 * output.cc (Output_section::Input_section::relobj): Move method
783 defintion from class declaration to here and handle merge sections.
784 (Output_section::Input_section::shndx): Ditto.
785 (Output_section::Output_section): Remove initializations of removed
786 data members and initialize new data member LOOKUP_MAPS_.
787 (Output_section::add_input_section): Set keeps-input-sections flag
788 for a newly created merge output section as appropriate. Adjust code
789 to use Output_section_lookup_maps class.
790 (Output_section::add_relaxed_input_section): Adjst code for lookup
791 maps code refactoring.
792 (Output_section::add_merge_input_section): Add a new parameter
793 KEEPS_INPUT_SECTION. Adjust code to use Output_section_lookup_maps
794 class. If adding input section to a newly created merge output
795 section fails, remove the new merge section.
796 (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
797 Adjust code for use of the Output_section_lookup_maps class.
798 (Output_section::find_merge_section): Ditto.
799 (Output_section::build_lookup_maps): New method defintion.
800 (Output_section::find_relaxed_input_section): Adjust code to use
801 Output_section_lookup_maps class.
802 (Output_section::get_input_sections): Export merge sections. Adjust
803 code to use Output_section_lookup_maps class.
804 (Output_section:::add_script_input_section): Adjust code to use
805 Output_section_lookup_maps class. Update lookup maps for merge
807 (Output_section::discard_states): Use Output_section_lookup_maps.
808 (Output_section::restore_states): Same.
809 * output.h (Merge_section_properties): Move class defintion out of
811 (Output_section_lookup_maps): New class.
812 (Output_section::Input_section::is_merge_section): New method
814 (Output_section::Input_section::relobj): Move defintion out of class
815 defintion. Declare method only.
816 (Output_section::Input_section::shndx): Ditto.
817 (Output_section::Input_section::output_merge_base): New method defintion.
818 (Output_section::Input_section::u2_.pomb): New union field.
819 (Output_section::Merge_section_by_properties_map,
820 Output_section::Output_section_data_by_input_section_map,
821 Output_section::Ouptut_relaxed_input_section_by_input_section_map):
823 (Output_section::add_merge_input_section): Add new parameter
824 KEEPS_INPUT_SECTIONS.
825 (Output_section::build_lookup_maps): New method declaration.
826 (Output_section::merge_section_map_,
827 Output_section::merge_section_by_properties_map_,
828 Output_section::relaxed_input_section_map_,
829 Output_section::is_relaxed_input_section_map_valid_): Remove data
831 (Output_section::lookup_maps_): New data member.
836 * arm.cc (Arm_input_section::do_output_offset): Add a cast to
837 avoid a compilation error.
841 * script-sections.cc (Output_section_definition::allocate_to_segment):
842 Update the phdrs_list even when the output section is NULL.
843 * testsuite/Makefile.am: Add test.
844 * testsuite/Makefile.in: Regenerate.
845 * testsuite/script_test_9.cc: New.
846 * testsuite/script_test_9.sh: New.
847 * testsuite/script_test_9.t: New.
851 * arm.cc (Arm_input_section::original_size): New method.
852 (Arm_input_section::do_addralign): Add a cast.
853 (Arm_input_section::do_output_offset): Remove static cast.
854 (Arm_input_section::original_addralign,
855 Arm_input_section::original_size_): Change type to uint32_t.
856 (Arm_input_section::init): Add safe casts for section alignment
858 (Arm_input_section::set_final_data_size): Do not set address and
859 offset of stub table.
860 (Arm_output_section::fix_exidx_coverage): Change use of of
861 Output_section::Simple_input_section to that of
862 Output_section::Input_section.
863 (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
864 except for the first pass.
865 * output.cc (Output_section::get_input_sections): Change type of
866 input_sections to std::list<Input_section>.
867 (Output_section::add_script_input_section): Rename from
868 Output_section::add_simple_input_section. Change type of SIS
869 parameter from Simple_input_section to Input_section.
870 * output.h (Output_section::Simple_input_section): Remove class.
871 (Output_section::Input_section): Change class visibility to public.
872 (Output_section::Input_section::addralign): Use stored alignments
873 for special input sections if set.
874 (Output_section::Input_section::set_addralign): New method.
875 (Output_section::get_input_sections): Change parameter type from
876 list of Simple_input_section to list of Input_section.
877 (Output_section::add_script_input_section): Rename from
878 Output_section::add_simple_input_section. Change first parameter's
879 type from Simple_input_section to Input_section and remove the
880 second and third parameters.
881 * script-sections.cc (Input_section::Input_section_list): Change
882 type to list of Output_section::Input_section/
883 (Input_section_info::Input_section_info): Change parameter type of
884 INPUT_SECTION to Output_section::Input_section.
885 (Input_section_info::input_section): Change return type.
886 (Input_section_info::input_section_): Change type to
887 Output_section::Input_section.
888 (Output_section_element_input::set_section_addresses): Adjust code
889 to use Output_section::Input_section instead of
890 Output_section::Simple_input_section. Adjust code for renaming
891 of Output_section::add_simple_input_section.
892 (Orphan_output_section::set_section_addresses): Ditto.
896 * gold.h (Unordered_multimap, Unordered_map): Fix defines for
897 when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
901 * options.cc (General_options::finalize): Handle -nostdlib.
902 * options.h (nostdlib): New option.
903 * script.cc (script_add_search_dir): Handle -nostdlib.
907 * arm.cc (Target_arm::do_finalize_sections): Create an empty
908 attributes section only if there no attributes section after merging.
909 (Target_arm::merge_object_attributes): Move value of
910 Tag_MPextension_use_legacy to that of Tag_MPextension_use.
911 Handle Tag_DIV_use and Tag_MPextension_use_legacy.
912 * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
913 (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
914 and arm_attr_merge_7.stdout.
915 (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
916 arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
917 arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
918 arm_attr_merge_7b.o): New rules.
919 (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
921 * testsuite/Makefile.in: Regenerate.
922 * testsuite/arm_attr_merge.sh: New file.
923 * testsuite/arm_attr_merge_[67][ab].s: Same.
927 * po/es.po: Updated Spanish translation.
931 * Makefile.am (install-exec-local): Properly install gold as
932 default cross linker.
933 * Makefile.in: Regenerated.
938 * configure.ac (install_as_default): Define and set to false
939 unless --enable-gold or --enable-gold=both/gold has been
941 * configure: Regenerate.
943 * Makefile.am (install-exec-local): Install the executable as
944 'ld.gold'. If install_as_default is true then also install it as
946 * Makefile.in: Regenerated.
950 * layout.cc (Layout::layout_reloc): In relocatable link don't
951 combine reloc sections for grouped sections.
955 * gc.h (gc_process_relocs): Pass information on relocs pointing to
956 sections that are not ordinary to icf.
957 * icf.cc (get_section_contents): Handle relocation pointing to section
958 with no object or shndx information.
959 * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
960 * testsuite/Makefile.in: Regenerate.
961 * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
962 * testsuite/icf_virtual_function_folding_test.sh: Delete file.
966 * expression.cc (Expression::Expression_eval_info): Add
967 result_alignment_pointer field.
968 (Expression::eval_with_dot): Add result_alignment_pointer
969 parameter. Change all callers.
970 (Expression::eval_maybe_dot): Likewise.
971 (class Binary_expression): Add alignment_pointer parameter to
972 left_value and right_value. Change all callers.
973 (BINARY_EXPRESSION): Set result alignment.
974 (class Trinary_expression): Add alignment_pointer parameter to
975 arg2_value and arg3_value. Change all callers.
976 (Trinary_cond::value): Set result alignment.
977 (Max_expression::value, Min_expression::value): Likewise.
978 (Align_expression::value): Likewise.
979 * script-sections.cc (class Sections_element): Add dot_alignment
980 parameter to set_section_addresses virtual function. Update
982 (class Output_section_element): Likewise.
983 (Script_sections::create_segments): Add dot_alignment parameter.
985 (Script_sections::create_segments_from_phdrs_clause): Likewise.
986 (Script_sections::set_phdrs_clause_addresses): Likewise.
987 * script-sections.h: Update declarations.
988 * script.h: Update declarations.
989 * output.h (Output_segment::set_minimum_p_align): Don't decrease
991 * testsuite/script_test_3.t: Set large alignment.
992 * testsuite/script_test_3.sh: Make sure that at least one LOAD
993 segment has expected alignment.
997 * po/gold.pot: Updated by the Translation project.
998 * po/vi.po: Updated Vietnamese translation.
1002 * testsuite/Makefile.am (check_PROGRAMS): Add
1003 icf_virtual_function_folding_test.
1004 * testsuite/Makefile.in: Regenerated.
1008 * options.h (merge_exidx_entries): New option.
1009 * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1010 (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1011 (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1012 (Target_arm::merge_exidx_entries): New function.
1013 (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1014 (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1015 to Arm_exidx_fixup constructor.
1016 Add new arg, merge_exidx_entries.
1017 (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1018 Arm_output_section::fix_exidx_coverage.
1022 * icf.cc (get_section_contents): Check for preemptible functions.
1023 Ignore addend when appropriate.
1024 * symtab.cc (should_add_dynsym_entry): Add new parameter. Check for
1026 (add_from_relobj): Check for section folded.
1027 (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1028 * symtab.h (should_add_dynsym_entry): Add new parameter.
1029 * target-reloc.h (scan_relocs): Check for section folded.
1030 * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1031 Check reloc types for function pointers in shared objects.
1032 * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1034 (icf_preemptible_functions_test): New test case.
1035 (icf_string_merge_test): New test case.
1036 * testsuite.Makefile.in: Regenerate.
1037 * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1038 bar_glob. Refactor code.
1039 * testsuite/icf_preemptible_functions_test.cc: New file.
1040 * testsuite/icf_preemptible_functions_test.sh: New file.
1041 * testsuite/icf_string_merge_test.cc: New file.
1042 * testsuite/icf_string_merge_test.sh: New file.
1043 * testsuite/icf_virtual_function_folding_test.cc: New file.
1044 * testsuite/icf_virtual_function_folding_test.sh: New file.
1048 * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1049 for local symbol recounting if we remove a section due to ICF.
1050 * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1051 there are no regular objects in input.
1055 * arm.cc (Arm_input_section::set_final_data_size): Compute
1056 accurate final data size instead of using current data size.
1060 * layout.cc (Layout::choose_output_section): Handle script section
1062 (Layout::make_output_section_for_script): Add section type parameter.
1063 Handle script section types.
1064 * layout.h (Layout::make_output_section_for_script): Add section
1066 * output.cc (Output_section::Output_section): Initialize data member
1068 (Output_section::do_reset_address_and_file_offset): Do not set address
1069 to 0 if section is a NOLOAD section.
1070 * output.h (Output_section::is_noload): New method.
1071 (Output_section::set_is_noload): Ditto.
1072 (Output_section::is_noload_): New data member.
1073 * script-c.h (Script_section_type): New enum type.
1074 (struct Parser_output_section_header): Add new file section_type.
1075 * script-sections.cc (Sections_element::output_section_name): Add
1076 parameter for returning script section type.
1077 (Output_section_definition::output_section_name): Ditto.
1078 (Output_section_definition::section_type)P; New method.
1079 (Output_section_definiton::script_section_type_name): Ditto.
1080 (Output_section_definition::script_section_type_): New data member.
1081 (Output_section_definition::Output_section_definition): Initialize
1082 data member Output_section_definition::script_section_type_.
1083 (Output_section_definition::create_sections): Pass script section type
1084 to Layout::make_output_section_for_script.
1085 (Output_section_definition::output_section_name): Return script
1086 section type to caller.
1087 (Output_section_definition::set_section_address): Do not advance
1088 dot value and load address if section type is NOLOAD. Set address
1089 of NOLOAD sections regardless of section flags.
1090 (Output_section_definition::print): Print section type if it is
1091 not SCRIPT_SECTION_TYPE_NONE.
1092 (Output_section_definition::section_type): New method.
1093 (Output_section_definition::script_section_type_name): Ditto.
1094 (Script_sections::output_section_name): Add new parameter
1095 PSECTION_TYPE for returning script section type. Pass it to
1096 section elements. Handle discard sections.
1097 (Sort_output_sections::operator()): Handle NOLOAD sections.
1098 * script-sections.h (Script_sections::Section_type): New enum type.
1099 (Script_sections::output_section_name): Add a new parameter for
1100 returning script section type.
1101 * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1103 * yyscript.y (union): Add new field SECTION_TYPE.
1104 (COPY, DSECT, INFO, NOLOAD): New tokens.
1105 (opt_address_and_section_type): Change type to output_section_header.
1106 (section_type): New non-terminal
1107 (section_header): Handle section type.
1108 (opt_address_and_section_type): Return section type value.
1112 * testsuite/plugin_common_test_1.c (foo): Add prototype.
1113 * testsuite/plugin_common_test_2.c (foo): Likewise.
1117 * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1119 * output.cc (Output_section::add_merge_input_section): Simplify
1120 code and return status of Output_merge_base::add_input_section.
1121 Update merge section map only if Output_merge_base::add_input_section
1126 * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
1127 if section is marked as containing instructions but has no mapping
1129 (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
1130 correct section index.
1131 (Arm_relobj::find_linked_text_section): Ditto.
1135 * archive.cc (include_member): Destroy Read_symbols_data object before
1137 * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
1138 * object.h (Read_symbols_data::Read_symbols_data) New constructor.
1139 (Read_symbols_data::~Read_symbols_data) New destructor.
1140 (Section_relocs::Section_relocs) New constructor.
1141 (Section_relocs::~Section_relocs) New destructor.
1142 (Read_relocs_data::Read_relocs_data) New constructor.
1143 (Read_relocs_data::~Read_relocs_data) New destructor.
1144 * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
1145 pointers to NULL after deleting.
1149 * arm.cc: Replace "endianity" with "endianness" in comments.
1150 (Arm_exidx_cantunwind): Ditto.
1151 (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
1152 (Arm_relobj::merge_flags_and_attributes): New method.
1153 (Arm_relobj::merge_flags_and_attributes_): New data member.
1154 (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
1155 (Arm_relobj::scan_sections_for_stubs): Ditto.
1156 (Arm_relobj::do_read_symbols): Check to see if we really want to
1157 merge processor-specific flags and attributes. Exit early if
1158 an object is empty except for section names and the undefined symbol.
1159 (Target_arm::do_finalize_sections): Move check for ELF format to
1160 Arm_relobj::do_read_symbols. Merge processor specific flags and
1161 attributes from a regular object only when we have determined that
1162 it is aapropriate. Do not create an .ARM.attributes section in
1163 output if there is no regular input object.
1164 (Target_arm::merge_processor_specific_flags): Check
1165 --warn-mismatch before printing any error.
1166 (Target_arm::merge_object_attributes): Ditto.
1167 * gold.cc (queue_middle_tasks): Handle the case in which there is
1168 no regular object in input.
1169 * options.cc (General_options::parse_EB): New method.
1170 (General_options::parse_EL): Same.
1171 (General_options::General_options): Initialize endianness_.
1172 * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1174 (General_options::Endianness): New enum.
1175 (General_options::endianness): New method.
1176 (General_options::endianness_): New data member.
1177 * parameters.cc (Parameters::set_options): Check target endianness.
1178 (Parameters::set_target_once): Ditto.
1179 (Parameters::check_target_endianness): New method.
1180 (parameters_force_valid_target): If either -EL or -EB is specified,
1181 use it to define endianness of default target.
1182 * parameters.h (Parameters::check_target_endianness): New method
1184 * target.h (class Target): Change "endianity" to "endianness"
1189 * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
1190 * configure: Regenerate.
1191 * Makefile.in: Regenerate.
1192 * testsuite/Makefile.in: Regenerate.
1197 * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
1198 prevailing definitions of common symbols.
1199 * testsuite/plugin_test_6.sh: New test case.
1200 * testsuite/plugin_common_test_1.c: New test case.
1201 * testsuite/plugin_common_test_2.c: New test case.
1202 * testsuite/Makefile.am (plugin_test_6): New test case.
1203 * testsuite/Makefile.in: Regenerate.
1207 * po/vi.po: New Vietnamese translation.
1211 * arm.cc (Target_arm::using_thumb_only): Handle v6-M
1215 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
1216 to avoid a conversion warning on a 32-bit host.
1220 * testsuite/script_test_3.t: Add a TLS segment.
1221 * testsuite/Makefile.am (check_PROGRAMS): Add
1222 tls_phdrs_script_test.
1223 (tls_phdrs_script_test_SOURCES): Define.
1224 (tls_phdrs_script_test_DEPENDENCIES): Define.
1225 (tls_phdrs_script_test_LDFLAGS): Define.
1226 (tls_phdrs_script_test_LDADD): Define.
1227 * testsuite/Makefile.in: Rebuild.
1231 * fileread.cc (find_or_make_view): Fix comment.
1235 * script-sections.cc (class Orphan_section_placement): Define
1236 PLACE_TLS and PLACE_TLS_BSS.
1237 (Orphan_section_placement::Orphan_section_placement): Initialize
1239 (Orphan_section_placement::find_place): Handle SHF_TLS sections.
1240 * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
1241 (tls_script_test_SOURCES): Define.
1242 (tls_script_test_DEPENDENCIES): Define.
1243 (tls_script_test_LDFLAGS): Define.
1244 (tls_script_test_LDADD): Define.
1245 * testsuite/Makefile.in: Rebuild.
1249 * arm.cc (Arm_relocate_functions::abs8,
1250 Arm_relocate_functions::abs16): Use correct check for overflow
1251 specified in the ARM ELF specs.
1252 (Arm_relocate_functions): thumb_branch_common. Handle bit 1 of branch
1253 target of a BLX instruction specially.
1254 (Reloc_stub::stub_type_for_reloc): Ditto.
1255 (Relocate::relocate): Use symbolic names instead of numeric relocation
1256 codes to report error.
1257 (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
1259 * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
1260 thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
1261 thumb2_blx_out_of_range.stdout
1262 (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
1263 thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
1264 (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
1265 thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
1266 thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
1267 thumb2_blx_in_range, thumb2_blx_in_range.o,
1268 thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
1269 thumb2_blx_out_of_range.o): New rules.
1270 (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
1271 thumb2_blx_in_range and thumb2_blx_out_of_range.
1272 * testsuite/Makefile.in: Regenerate.
1273 * arm_branch_in_range.sh: Add tests for THUMB BLX.
1274 * testsuite/thumb_blx_in_range.s: New file.
1275 * testsuite/thumb_blx_out_of_range.s: New file.
1279 * archive.cc (Should_include): Move to archive.h.
1280 (should_include_member): Make it a member of Archive.
1282 (Add_lib_group_symbols): New.
1283 * archive.h: Include options.h.
1284 (Archive_member): Moved from Archive.
1285 (Should_include): Moved from archive.cc.
1287 (Add_lib_group_symbols): New.
1288 * dynobj.cc (do_should_include_member): New.
1289 * dynobj.h (do_should_include_member): New.
1290 * gold.cc (queue_initial_tasks): Update call to queue.
1291 * main.cc (main): Print lib group stats.
1292 * object.cc (do_should_include_member): New.
1293 * object.h: Include archive.h.
1294 (Object::should_include_member): New.
1295 (Object::do_should_include_member): New.
1296 (Sized_relobj::do_should_include_member): New.
1297 * options.cc (General_options::parse_start_lib): New.
1298 (General_options::parse_end_lib): New.
1299 (Input_arguments::add_file): Handle lib groups.
1300 (Input_arguments::start_group): Check we are not in a lib.
1301 (Input_arguments::start_lib): New.
1302 (Input_arguments::end_lib): New.
1303 * options.h (General_options): Add start_lib and end_lib.
1304 (Input_argument::lib_): New.
1305 (Input_argument::lib): New.
1306 (Input_argument::is_lib): New.
1307 (Input_file_lib): New.
1308 (Input_arguments::in_lib_): New.
1309 (Input_arguments::in_lib): New.
1310 (Input_arguments::start_lib): New.
1311 (Input_arguments::end_lib_): New.
1312 * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
1313 in unused members as preempted.
1314 (Sized_pluginobj::do_should_include_member): New.
1315 * plugin.h (Sized_pluginobj::do_should_include_member): New.
1316 * readsyms.cc (Read_symbols::locks): If we are just reading a member,
1318 (Read_symbols::do_whole_lib_group): New.
1319 (Read_symbols::do_lib_group): New.
1320 (Read_symbols::do_read_symbols): Handle lib groups.
1321 (Read_symbols::get_name): Handle lib groups.
1322 * readsyms.h (Read_symbols): Add an archive member pointer.
1323 (Read_symbols::do_whole_lib_group): New.
1324 (Read_symbols::do_lib_group): New.
1325 (Read_symbols::member_): New.
1326 * script.cc (read_input_script): Update call to queue_soon.
1330 * arm.cc (Stub_table::Stub_table): Initialize new data members
1331 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1332 (Stub_table::add_reloc_stub): Assign stub offset and update
1333 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1334 (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
1336 (Stub_table::update_data_size_and_addralign): Use
1337 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
1338 instead of going over all reloc stubs.
1339 (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
1340 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1341 Stringpool_template::offset_ to size of Stringpool_char.
1342 (Stringpool_template::new_key_offset): Remove code to initialize
1343 Stringpool_template::offset_.
1344 * stringpool.h (Stringpool_template::set_no_zero_null): Set
1345 Stringpool_template::offset_ to zero.
1349 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1351 (Stringpool_template::new_key_offset): New method.
1352 (Stringpool_template::add_string): Assign offsets when adding new
1354 (Stringpool_template::set_string_offsets): Do not set string offsets
1355 when not optimizing.
1356 * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
1358 (Chunked_vector::clear): Clear size_.
1359 (Chunked_vector::reserve): Call reserve method of all Element_vectors.
1360 (Chunked_vector::size): Return size_.
1361 (Chunked_vector::push_back): Use size_ to find insert position.
1362 (Chunked_vector::size_): New data member.
1363 (Stringpool_template::set_no_zero_null): Assert string set is empty.
1364 (Stringpool_template::new_key_offset): New method declaration.
1365 (Stringpool_template::offset_): New data member.
1369 * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
1370 Add_symbols' constructor.
1371 * readsyms.h (Add_symbols): Remove the input_group member.
1375 * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
1376 target to ask whether a reference to a symbol requires a stack
1378 * target.h (Target::is_call_to_non_split): New function.
1379 (Target::do_is_call_to_non_split): Declare virtual function.
1380 * target.cc: Include "symtab.h".
1381 (Target::do_is_call_to_non_split): New function.
1382 * i386.cc (Target_i386::do_is_call_to_non_split): New function.
1386 * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
1387 (File_read::open[1]): Remove initial mapping of whole_file_view_.
1388 (File_read::open[2]): Add whole_file_view_ to list of views.
1389 (File_read::make_view): Remove test of whole_file_view_.
1390 (File_read::find_or_make_view): Create whole_file_view_ if
1392 (File_read::clear_views): Replace bool parameter with enum;
1393 adjust all callers. Don't delete views with permanent data;
1394 do delete cached views and views from archives if
1395 --no-keep-files-mapped is set. Set whole_file_view_ to NULL
1396 if clearing the corresponding view.
1397 * fileread.h (File_read::Clear_views_mode): New enum.
1398 (File_read::View::is_permanent_view): New method.
1399 (File_read::clear_views): Replace bool parameter
1400 with enum; adjust all callers.
1401 * options.h (General_options): Change keep_files_mapped option;
1402 add map_whole_files.
1403 * readsyms.cc (Add_symbols::run): Delete sd_ object before
1405 * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
1410 * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
1414 * icf.cc (get_section_contents): Add '@' marker after processing the
1419 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
1420 due to a conversion warning.
1421 (Arm_relobj::update_output_local_symbol_count): Check for local
1422 symbol with unset output index.
1426 * options.h (class General_options): Add --spare-dynamic-tags.
1427 * output.cc (Output_data_dynamic::set_final_data_size): Implement
1428 --spare-dynamic-tags.
1432 * incremental.cc: Include "libiberty.h".
1436 * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
1437 function, is_info_ member.
1438 * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
1439 (Versions::Versions): Update caller.
1440 (Versions::define_base_version): Likewise.
1441 (Versions::add_def): Likewise.
1445 * i386.cc (Target_i386::can_check_for_function_pointers): New function.
1446 (Scan::possible_function_pointer_reloc): New function.
1447 (Scan::local_reloc_may_be_function_pointer): Change to call
1448 possible_function_pointer_reloc.
1449 (Scan::global_reloc_may_be_function_pointer): Ditto.
1450 * icf.h (Icf::check_section_for_function_pointers): Change to reject
1451 relocations in ".data.rel.ro._ZTV" section.
1452 * testsuite/icf_safe_so_test.sh: Change to pass i386.
1453 * testsuite/icf_safe_so_test.cc: Ditto.
1454 * testsuite/icf_safe_test.cc: Ditto.
1455 * testsuite/icf_safe_test.sh: Ditto.
1460 * target-reloc.h (relocate_section): Check the symbol table index
1461 for -1U before setting the local symbol index.
1462 (scan_relocatable_relocs): If copying the relocation, record that
1463 the local symbol is required.
1464 * object.h (Symbol_value::is_output_symtab_index_set): New
1466 (Symbol_value::may_be_discarded_from_output_symtab): New
1468 (Symbol_value::has_output_symtab_entry): New function.
1469 (Symbol_value::needs_output_symtab_entry): Remove.
1470 (Symbol_value::output_symtab_index): Make sure the symbol index is
1472 (Symbol_value::set_output_symtab_index): Make sure the symbol
1473 index is not set. Make sure the new index is valid.
1474 (Symbol_value::set_must_have_output_symtab_entry): New function.
1475 (Symbol_value::has_output_dynsym_entry): New function.
1476 (Symbol_value::set_output_dynsym_index): Make sure the new index
1478 (Sized_relobj::set_must_have_output_symtab_entry): New function.
1479 * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
1480 local symbol if permitted.
1481 (Sized_relobj::do_finalize_local_symbols): Call
1482 is_output_symtab_index_set rather than needs_output_symtab_entry.
1483 (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
1484 rather than needs_output_symtab_entry. Call
1485 has_output_dynsym_entry rather than needs_output_dynsym_entry.
1486 * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
1487 is_output_symtab_index_set rather than needs_output_symtab_entry.
1488 * testsuite/discard_locals_relocatable_test.c: New file.
1489 * testsuite/discard_locals_test.sh: Test -r.
1490 * testsuite/Makefile.am (check_DATA): Add
1491 discard_locals_relocatable_test1.syms,
1492 discard_local_relocatable_test2.syms.
1493 (MOSTLYCLEANFILES): Likewise. Also add
1494 discard_locals_relocatable_test1.lout and
1495 discard_locals_relocatable_test2.out.
1496 (discard_locals_relocatable_test1.syms): New target.
1497 (discard_locals_relocatable_test.o): New target.
1498 (discard_locals_relocatable_test1.out): New target.
1499 (discard_locals_relocatable_test2.syms): New target.
1500 (discard_locals_relocatable_test2.out): New target.
1501 (various): Add missing ../ld-new dependencies.
1502 * testsuite/Makefile.in: Rebuild.
1506 * po/fi.po: New Finnish translation.
1510 * layout.cc (Layout::Layout): Force section types of .init_array*,
1511 .preinit_array* and .fini_array* sections.
1512 * output.cc (Output_section::Input_section_sort_entry::has_priority):
1513 Fix check of return value of std::string::find.().
1514 (Output_section::Input_section_sort_compare::operator()): Remove
1515 comment about .init_array.
1516 (Output_section::Input_section_sort_init_fini_compare::operator()):
1518 (Output_section::sort_attached_input_sections): Handle .init_array
1519 and .fini_array specially.
1520 * output.h (Output_section::Inut_section_sort_compare): Update
1522 (Output_section::Input_section_sort_init_fini_compare): New struct.
1526 * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
1527 R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
1528 * testsuite/debug_msg.sh: Avoid matching source line number for
1529 use of global variable undef_int.
1533 * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
1534 R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
1535 (Target_arm::scan_reloc_section_for_stubs): Instead of calling
1536 scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
1537 * options.cc (General_options::General_options): Initialize member
1539 * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
1540 (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
1541 and rm_no_fix_v4bx.stdout
1542 (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
1543 arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
1544 arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
1545 (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
1546 and arm_no_fix_v4bx.
1547 * Makefile.in: Regenerate.
1548 * testsuite/arm_fix_v4bx.s: New file.
1549 * testsuite/arm_fix_v4bx.sh: Ditto.
1553 * arm.cc (Target_arm::got_section): Make the .got section the first
1554 non RELRO section in the data segment.
1555 * testsuite/script_test_5.sh: Fix match patterns to avoid matching
1556 suffixes of section names.
1560 * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
1561 flags and attributes merging if an input file is a binary file.
1562 * fileread.cc (Input_file::open): Record format of original file.
1563 * fileread.h (Input_file::Format): New enum type.
1564 (Input_file::Input_file): Initialize data member format_.
1565 (Input_file::format): New method definition.
1566 (Input_file::format_):: New data member.
1570 * arm.cc (Arm_output_data_got): New class.
1571 (ARM_TCB_SIZE): New constant
1572 (Target_arm): Use Arm_output_data_got instead of Output_data_got.
1573 (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
1574 If user uses a script with a SECTIONS clause, issue only a warning
1575 for a misplaced EXIDX input section. Otherwise, issue an error.
1576 (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
1578 (Target_arm::got_mode_index_entry): Handle static linking.
1579 (Target_arm::Scan::local): Ditto.
1580 (Target_arm::Scan::global): Ditto.
1581 (Target_arm::Relocate::relocate_tls): Handle static linking. Fix
1582 all incorrectly implemented relocations.
1583 (Target_arm::fix_exidx_coverage): Pass layout to
1584 Arm_output_section::fix_exidx_coverage.
1585 * layout.cc (Layout::section_name_mapping): Remove trailing dots
1586 from ".ARM.exidx." and ".ARM.extab.".
1590 * arm.cc (Target_arm::do_finalize_sections): Create attribute
1591 section if it does not already exist.
1592 * attributes.cc (Attributes_section_data::Attributes_section_data):
1593 Don't crash if size is zero.
1598 * gold.cc (queue_middle_tasks): If no input files were opened,
1600 * workqueue.h (Task_function::Task_function): Assert that there is
1605 * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1606 * icf.cc (get_section_contents): Cast snprintf arguments to long long
1607 types to avoid warnings due to different uint64_t implementations
1612 * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1613 handling of the maximum backward branch offset.
1614 (Arm_relocate_functions::thumb_branch_common): Ditto.
1615 * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1616 (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
1617 thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
1618 thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1619 (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1620 arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1621 arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1622 thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1623 thumb_bl_out_of_range thumb_bl_out_of_range.o,
1624 thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1625 thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1626 thumb2_bl_out_of_range.o): New rules.
1627 (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1628 thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1629 thumb2_bl_out_of_range
1630 * testsuite/Makefile.in: Regenerate.
1631 * testsuite/arm_bl_in_range.s: New file.
1632 * testsuite/arm_bl_out_of_range.s: Ditto.
1633 * testsuite/arm_branch_in_range.sh: Ditto.
1634 * testsuite/arm_branch_range.t: Ditto.
1635 * testsuite/thumb2_branch_range.t: Ditto.
1636 * testsuite/thumb_bl_in_range.s: Ditto.
1637 * testsuite/thumb_bl_out_of_range.s: Ditto.
1638 * testsuite/thumb_branch_range.t: Ditto.
1642 * gc.h (gc_process_relocs): Change vectors to point to the new list.
1643 Add reloc offset information.
1644 * icf.cc (get_section_contents): Change iterators to point to the new
1645 vectors. Add reloc offset information to the contents.
1646 * icf.h (Icf::Sections_reachable_info): New typedef.
1647 (Icf::Sections_reachable_list): New typedef.
1648 (Icf::Offset_info): New typedef.
1649 (Icf::Reloc_info): New struct typedef.
1650 (Icf::Reloc_info_list): New typedef.
1651 (Icf::symbol_reloc_list): Delete method.
1652 (Icf::addend_reloc_list): Delete method.
1653 (Icf::section_reloc_list): Delete method.
1654 (Icf::reloc_info_list): New method.
1655 (Icf::reloc_info_list_): New member.
1659 * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1660 R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1661 * arm.cc (Arm_relocation_functions): New forward declaration.
1662 (Target_arm::Target_arm): Initialize new data members
1663 got_mod_index_offset_ and tls_base_symbol_defined_.
1664 (Target_arm::Relocate::relocate_tls): New method.
1665 (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1666 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1668 (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1669 GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1670 (Target_arm::got_mod_index_offset_,
1671 Target_arm::tls_base_symbol_defined_): New data members.
1672 (Target_arm::Scan::local, Target::Scan::global,
1673 Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1678 * arm.cc (Arm_relobj::find_linked_text_section): New method.
1679 (Arm_relobj::make_exidx_input_section): Pass section index of linked
1680 text section as a parameter becuase some broken tools may not set
1681 the link in section header.
1682 (Target_arm::has_got_section): New method.
1683 (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1684 without any mapping symbol as data only. Remove warning.
1685 (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1686 link in its section header, try to discover the link by inspecting the
1687 REL31 relocation at the beginning of the section.
1688 (Target_arm::Scan::check_non_pic): Report name of offending relocation
1690 (Target_arm::Scan::global): Treat any reference to the symbol
1691 _GLOBAL_OFFSET_TABLE_ as a GOT access.
1695 * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1696 (Scan::global_reloc_may_be_function_pointer): New function.
1697 * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1698 (Scan::global_reloc_may_be_function_pointer): New function.
1699 * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1700 (Scan::global_reloc_may_be_function_pointer): New function.
1701 * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1702 (Scan::global_reloc_may_be_function_pointer): New function.
1703 * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1704 (Scan::global_reloc_may_be_function_pointer): New function.
1705 (Scan::possible_function_pointer_reloc): New function.
1706 (Target_x86_64::can_check_for_function_pointers): New function.
1707 * gc.h (gc_process_relocs): Scan relocation types to determine if
1708 function pointers were taken for targets that support it.
1709 * icf.cc (Icf::find_identical_sections): Include functions for
1710 folding in safe ICF whose pointer is not taken.
1711 * icf.h (Secn_fptr_taken_set): New typedef.
1712 (fptr_section_id_): New member.
1713 (section_has_function_pointers): New function.
1714 (set_section_has_function_pointers): New function.
1715 (check_section_for_function_pointers): New function.
1716 * options.h: Fix comment for safe ICF option.
1717 * target.h (can_check_for_function_pointers): New function.
1718 * testsuite/Makefile.am: Add icf_safe_so_test test case.
1719 Modify icf_safe_test for X86-64.
1720 * testsuite/Makefile.in: Regenerate.
1721 * testsuite/icf_safe_so_test.cc: New file.
1722 * testsuite/icf_safe_so_test.sh: New file.
1723 * testsuite/icf_safe_test.cc (kept_func_3): New function.
1724 (main): Change to take pointer to function kept_func_3.
1725 * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1726 folding is done correctly for X86-64.
1730 * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1731 is_symbolless parameter.
1732 (Output_reloc<SHT_REL>::is_symbolless): New.
1733 (Output_reloc<SHT_REL>::is_symbolless_): New.
1734 (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1735 (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1736 (Output_reloc<SHT_RELA>::is_symbolless): New.
1737 (Output_data_reloc::add_global): Handle is_symbolless.
1738 (Output_data_reloc::add_global_relative): Likewise.
1739 (Output_data_reloc::add_local): Likewise.
1740 (Output_data_reloc::add_local_relative): Likewise.
1741 (Output_data_reloc::add_symbolless_global_addend): New.
1742 (Output_data_reloc::add_symbolless_local_addend): New.
1743 * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1745 (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1746 instead of ->is_relative_
1747 (Output_reloc::write): Likewise.
1748 (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1749 (Output_reloc::write_rel): Simplify.
1751 * sparc.cc (Target_sparc::Scan::local): Use
1752 ->add_symbolless_local_addend as needed.
1753 (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1754 needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
1755 based upon relocation offset.
1759 * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1760 (Target_arm::Scan::global): Ditto. Also remove a comment before the
1761 beginning of function.
1762 (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1763 and MOVT_ABS relocations. Those are non issued in scanning. Fix
1764 parameter is_32bit in calls to should_apply_static_reloc.
1765 * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1766 (check_DATA): Add arm_abs_global.stdout.
1767 (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1768 arm_abs_global.stdout): New rules.
1769 (MOSTLLYCLEANFILES): Add arm_abs_global
1770 * Makefile.in: Regenerate.
1771 * testsuite/arm_abs_global.s: New file.
1772 * testsuite/arm_abs_global.sh: Ditto.
1773 * testsuite/arm_abs_lib.s: Ditto.
1777 * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1779 (queue_middle_tasks): Likewise, and also for Scan_relocs. Run
1780 Allocate_commons_task first.
1781 * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1782 task, rather than symtab_lock_.
1783 (Gc_process_relocs::~Gc_process_relocs): New function.
1784 (Gc_process_relocs::is_runnable): Check this_blocker_.
1785 (Gc_process_relocs::locks): Use next_blocker_ rather than
1787 (Scan_relocs::~Scan_relocs): New function.
1788 (Scan_relocs::is_runnable): Check this_blocker_ rather than
1790 (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add
1792 * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1793 fields. Add this_blocker_ and next_blocker_ fields. Adjust
1794 constructor accordingly.
1795 (class Gc_process_relocs): Likewise.
1796 (class Scan_relocs): Likewise.
1797 * common.h (class Allocate_commons_task): Remove symtab_lock_
1798 field, and corresponding constructor parameter.
1799 * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1801 (Allocate_commons_task::locks): Likewise.
1805 * gold-threads.h (class Once): Define.
1806 (class Initialize_lock): Rewrite as child of Once.
1807 * gold-threads.cc (class Once_initialize): Define.
1808 (once_pointer_control): New static variable.
1809 (once_pointer, once_arg): New static variables.
1810 (c_run_once): New static function.
1811 (Once::Once, Once::run_once, Once::internal_run): New functions.
1812 (class Initialize_lock_once): Remove.
1813 (initialize_lock_control): Remove.
1814 (initialize_lock_pointer): Remove.
1815 (initialize_lock_once): Remove.
1816 (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1817 (Initialize_lock::initialize): Rewrite.
1818 (Initialize_lock::do_run_once): New function.
1819 * archive.cc (Archive::interpret_header): Only clear name if it is
1821 * fileread.cc: Include "gold-threads.h"
1822 (file_counts_lock): New static variable.
1823 (file_counts_initialize_lock): Likewise.
1824 (File_read::release): Only increment counts when using --stats.
1825 Use a lock around the increment.
1826 * parameters.cc (class Set_parameters_target_once): Define.
1827 (set_parameters_target_once): New static variable.
1828 (Parameters::Parameters): Move here from parameters.h.
1829 (Parameters::set_target): Rewrite.
1830 (Parameters::set_target_once): New function.
1831 (Parameters::clear_target): Move here and rewrite.
1832 * parameters.h (class Parameters): Update declarations. Add
1833 set_parameters_target_once_ field.
1834 (Parameters::Parameters): Move to parameters.cc.
1835 (Parameters::clear_target): Likewise.
1836 * readsyms.cc (Read_symbols::do_group): Create a Start_group
1838 (Start_group::~Start_group): New function.
1839 (Start_group::is_runnable): New function.
1840 (Start_group::locks, Start_group::run): New functions.
1841 (Finish_group::run): Change saw_undefined to size_t.
1842 * readsyms.h (class Start_group): Define.
1843 (class Finish_group): Change saw_undefined_ field to size_t.
1844 (Finish_group::Finish_group): Remove saw_undefined and
1845 this_blocker parameters. Change all callers.
1846 (Finish_group::set_saw_undefined): New function.
1847 (Finish_group::set_blocker): New function.
1848 * symtab.h (class Symbol_table): Change saw_undefined to return
1849 size_t. Change saw_undefined_ field to size_t.
1850 * target-select.cc (Set_target_once::do_run_once): New function.
1851 (Target_selector::Target_selector): Initialize set_target_once_
1852 field. Don't initialize lock_ and initialize_lock_ fields.
1853 (Target_selector::instantiate_target): Rewrite.
1854 (Target_selector::set_target): New function.
1855 * target-select.h (class Set_target_once): Define.
1856 (class Target_selector): Update declarations. Make
1857 Set_target_once a friend. Remove lock_ and initialize_lock_
1858 fields. Add set_target_once_ field.
1862 * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1864 * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker.
1865 (queue_middle_tasks): Add all blockers before queueing any tasks.
1866 (queue_final_tasks): Likewise.
1867 * token.h (Task_token::add_blockers): New function.
1868 * object.h (Input_objects::number_of_relobjs): New function.
1872 * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1873 shared, not if not position independent.
1874 * x86_64.cc (Relocate::relocate_tls): Likewise.
1875 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1876 (tls_pie_pic_test): New target.
1877 * testsuite/Makefile.in: Rebuild.
1879 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1880 (tls_test_main_pie.o, tls_test_pie.o): New targets.
1881 (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1882 * testsuite/Makefile.in: Rebuild.
1886 * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1887 R_SPARC_RELATIVE using ->add_local_relative().
1888 (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1890 * output.h (Output_data_dynamic::add_section_size): New method
1891 that takes two Output_data objects.
1892 (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1893 entry param. Handle it in initializers.
1894 * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1895 DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1896 * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1898 * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1899 and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1900 * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1901 for dynrel_includes_plt.
1902 * i386.cc (Target_i386::do_finalize_sections): Likewise.
1903 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1904 * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1906 (Target_sparc::do_finalize_sections): Update to pass true for
1907 dynrel_includes_plt.
1908 * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1909 output before .rela.plt
1910 (Target_powerpc::do_finalize_sections): Update to pass true for
1911 dynrel_includes_plt when 32-bit.
1915 * arm.cc (Arm_relobj::simple_input_section_output_address): New
1917 (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1918 Arm_relobj::scan_section_for_cortex_a8_stubs,
1919 Arm_relobj::do_relocation_section): Instead of calling
1920 Output_section::output_address, use faster
1921 Arm_relobj::simple_input_section_output_address.
1925 * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1926 unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1927 relocation helper function.
1929 * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1930 just like R_SPARC_GOT{10,13,22}.
1931 (Target_sparc::Scan::local): Likewise.
1932 (Target_sparc::Relocate:relocate): Likewise.
1936 * configure.ac: Rewrite targetobjs duplicate removal code to use
1937 only shell constructs.
1938 * configure: Rebuild.
1943 * arm.cc (Arm_relobj::section_is_scannable): New method.
1944 (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1945 (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1950 * arm-reloc-property.cc (cstdio): Include.
1951 * configure.ac (targetobjs): Remove duplicates.
1952 * configure: Regenerate.
1953 * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1954 big and little endian version for a given address size.
1958 * arm-reloc-property.cc
1959 (Arm_reloc_property_table::reloc_name_in_error_message): New method
1961 * arm-reloc-property.h
1962 (Arm_reloc_property_table::get_implemented_static_reloc_property):
1963 New method definition.
1964 (Arm_reloc_property_table::reloc_name_in_error_message): New method
1966 * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1968 (GOT_PREL): Change implemented to Y.
1969 * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1970 (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1971 (Arm_relocate_functions::movw_abs_nc): Remove method.
1972 (Arm_relocate_functions::movt_abs): Ditto.
1973 (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1974 (Arm_relocate_functions::thm_movt_abs): Ditto.
1975 (Arm_relocate_functions::movw_rel_nc): Ditto.
1976 (Arm_relocate_functions::movw_rel): Ditto.
1977 (Arm_relocate_functions::movt_rel): Ditto.
1978 (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1979 (Arm_relocate_functions:thm_movw_rel): Ditto.
1980 (Arm_relocate_functions:thm_movt_rel): Ditto.
1981 (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1982 (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1983 New method definitions.
1984 (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1985 (Arm_relocation_functions::arm_grp_ldr): Ditto.
1986 (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1987 (Arm_relocation_functions::arm_grp_ldc): Ditto.
1988 (Target_arm::Relocate::relocate): Check for non-static or
1989 unimplemented relocation code and exit early. Change calls to
1990 Target_arm::reloc_uses_thumb_bit and
1991 Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1992 instead. Refactor code to handle similar relocations to increase
1993 code sharing. Remove check for unsupported relocation code in switch
1995 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1996 relocation property table to find out size. Change error message to
1997 print out the name of a relocation code instead of the numeric value.
1998 (Target_arm::scan_reloc_for_stub): Use relocation property table
1999 instead of calling Target_arm::reloc_uses_thumb_bit().
2003 * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2004 types of relaxed input section.
2008 * Makefile.am (HFILES): Add arm-reloc-property.h.
2010 (TARGETSOURCES): Add arm-reloc-property.cc
2011 (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2012 (libgold_a_SOURCES): $(DEFFILES)
2013 * Makefile.in: Regenerate.
2014 * arm-reloc-property.cc: New file.
2015 * arm-reloc-property.h: New file.
2016 * arm-reloc.def: New file.
2017 * arm.cc: Update comments.
2018 (arm-reloc-property.h): New included header.
2019 (arm_reloc_property_table): New global variable.
2020 (Target_arm::do_select_as_default_target): New method definition.
2021 * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2022 arm-reloc-property to targ_extra_obj.
2023 * parameters.cc (set_parameters_target): Call
2024 Target::select_as_default_target().
2025 * target.h (Target::select_as_default_target): New method definition.
2026 (Target::do_select_as_default_target): Same.
2030 * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2031 first_output_text_section_.
2032 (Arm_exidx_fixup::first_output_text_section): New method definition.
2033 (Arm_exidx_fixup::first_output_text_section_): New data member.
2034 (Arm_exidx_fixup::process_exidx_section): Record the first text
2035 output section seen.
2036 (Arm_output_section::fix_exidx_coverage): Set correct linked section
2037 and entsize in output section header.
2041 * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2042 R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2043 (Arm_relocate_functions::thm_alu11): New Method.
2044 (Arm_relocate_functions::thm_pc8): New Method.
2045 (Arm_relocate_functions::thm_pc12): New Method.
2046 (Target_arm::Scan::local): Handle the relocations.
2047 (Target_arm::Scan::global): Likewise.
2048 (Target_arm::Relocate::relocate): Likewise.
2049 (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2053 * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2054 of relocation types as ld.
2058 * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2060 (Arm_relocate_functions::thumb_branch_common): Ditto.
2061 (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2062 Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2063 Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2064 Arm_relocate_functions::jump24): Remove.
2065 (Target_arm::Relocate::relocate): Adjust code to call
2066 Arm_relocation_functions::arm_branch_common and
2067 Arm_relocation_functions::thumb_branch_common instead of their removed
2068 wrappers. Merge switch-cases together to reduce source code size.
2072 * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2073 output_local_symbol_count_needs_update_.
2074 (Arm_relobj::output_local_symbol_count_needs_update,
2075 Arm_relobj::set_output_local_symbol_count_needs_update,
2076 Arm_relobj::update_output_local_symbol_count): New methods.
2077 (Arm_relobj::output_local_symbol_count_needs_update_): New data
2079 (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2080 of pointed function as in a R_ARM_PREL31 relocation.
2081 (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2082 for output local symbol count updating.
2083 (Target_arm::do_relax): Update output local symbol counts in objects
2085 * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2089 * arm.cc: Added support for the ARM relocations:
2090 R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2091 R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2092 (Arm_relocate_functions::movw_rel_nc): Renamed (was
2094 (Arm_relocate_functions::movw_rel): New method.
2095 (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2096 (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2098 (Arm_relocate_functions::thm_movw_rel): New method.
2099 (Arm_relocate_functions::thm_movt_rel): Renamed (was
2101 (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2103 (Target_arm::Scan::global): Likewise.
2104 (Target_arm::Relocate::relocate): Likewise.
2105 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2110 * arm.cc: Added support for ARM group relocations.
2111 (Target_arm::reloc_needs_sym_origin): New method.
2112 (Arm_relocate_functions::calc_grp_kn): New method.
2113 (Arm_relocate_functions::calc_grp_residual): New method.
2114 (Arm_relocate_functions::calc_grp_gn): New method.
2115 (Arm_relocate_functions::arm_grp_alu): New Method.
2116 (Arm_relocate_functions::arm_grp_ldr): New Method.
2117 (Arm_relocate_functions::arm_grp_ldrs): New Method.
2118 (Arm_relocate_functions::arm_grp_ldc): New Method.
2119 (Target_arm::Scan::local): Handle the ARM group relocations.
2120 (Target_arm::Scan::global): Likewise.
2121 (Target_arm::Relocate::relocate): Likewise.
2122 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2127 * arm.cc (set): Include.
2128 (class Arm_exidx_fixup): Change type of last_input_section_ to const
2130 (Arm_output_section::Text_section_list): New type.
2131 (Arm_output_section::append_text_sections_to_list): New method.
2132 (Arm_output_section::fix_exidx_coverage): Ditto.
2133 (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
2134 (Arm_relobj::convert_input_section_to_relaxed_section): Use
2135 Relobj::set_section_offset() instead of
2136 Sized_relobj::invalidate_section_offset().
2137 (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
2138 parameter for section headers. Ignore relocation sections for
2139 unallocated sections and EXIDX sections.
2140 (Target_arm::fix_exidx_coverage): New method.
2141 (Target_arm::output_section_address_less_than): New type.
2142 (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
2143 linked text section instead of the EXIDX section.
2144 (Arm_output_section::create_stub_group): Add an assertion to check
2145 that this is not an EXIDX output section.
2146 (Arm_output_section::append_text_sections_to_list): New method.
2147 (Arm_output_section::fix_exidx_coverage): Ditto.
2148 (Arm_relobj::scan_sections_for_stubs): Adjust call to
2149 Arm_relobj::section_needs_reloc_stub_scanning.
2150 (Target_arm::do_relax): Fix EXIDX output section coverage in the
2152 (Target_arm::fix_exidx_coverage): New method.
2153 * object.h (Relobj::set_output_section): New method.
2154 (Sized_relobj::invalidate_section_offset): Remove method.
2155 (Sized_relobj::do_invalidate_section_offset): Remove method.
2156 (Sized_relobj::do_set_section_offset): Handle offset value -1.
2160 * arm.cc (Arm_exidx_merged_section::do_output_offset):
2161 Fix warning due to signed and unsigned comparison on a 32-bit host.
2165 * arm.cc (Target_arm::do_relax): Record an output section for section
2166 offset adjustment it contains any stub table that has changed.
2167 * layout.cc (Layout::clean_up_after_relaxation): Adjust section
2168 offsets in an output section if necessary.
2169 * output.cc (Output_section::Output_section): Initialize
2170 section_offsets_need_adjustments_.
2171 (Output_section::add_input_section_for_script): Renamed to
2172 Output_section::add_simple_input_section.
2173 (Output_section::save_states): Add a comment.
2174 (Output_section::discard_states): New method defintion.
2175 (Output_section::adjust_section_offsets): Same.
2176 * output.h (Output_section::add_input_section_for_script): Renamed to
2177 Output_section::add_simple_input_section.
2178 (Output_section::discard_states): New method declaration.
2179 (Output_section::adjust_section_offsets): Same.
2180 (Output_section::section_offsets_need_adjustment,
2181 Output_section::set_section_offsets_need_adjustment): New method
2183 (Output_section::section_offsets_need_adjustment_): New data member.
2184 * script-sections.cc
2185 (Output_section_element_input::set_section_address): Adjust code for
2186 renaming of Output_section::add_input_section_for_script.
2187 (Orphan_output_section::set_section_address): Same.
2191 * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
2192 Fix_v4bx enum values .
2193 * gold/options.h (General_options): New option definitions.
2194 (General_options::fix_v4bx): New method.
2195 (General_options::Fix_v4bx): New enum.
2196 * gold/options.cc (General_options::parse_fix_v4bx): New method.
2197 (General_options::parse_fix_v4bx_interworking): New method.
2201 * arm.cc (Arm_exidx_fixup): New class.
2205 * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
2207 (Arm_exidx_section_offset_map): New type.
2211 * arm.cc (Arm_exidx_input_section): New class.
2212 (Arm_relobj::exidx_input_section_by_link,
2213 Arm_relobj::exidx_input_section_by_shndx,
2214 Arm_relobj::make_exidx_input_section): New methods.
2215 (read_arm_attributes_section): Remove.
2216 (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
2217 information about them.
2218 (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
2223 * arm.cc (Target_arm::Arm_input_section_map): Change key type from
2224 Input_section_specifier to Section_id.
2225 (Target_arm::new_arm_input_section: Adjust code for change of key
2227 (Target_arm::find_arm_input_section): Ditto.
2228 * gc.h (object.h): Include for Section_id nand Section_id_hash.
2229 (Section_id): Remove.
2230 (Garbage_collection::Section_id_hash): Remove.
2231 * icf.h (object.h): Include for Section_id nand Section_id_hash.
2232 (Section_id): Remove.
2233 (Icf::Section_id_hash): Remove.
2234 * object.h (Section_id, Const_section_id, Section_id_hash,
2235 Const_section_id_hash): New type definitions.
2236 * output.cc (Output_section::add_relaxed_input_section): Change to
2237 use Const_section_id instead of Input_section_specifier as key type.
2238 (Output_section::add_merge_input_section): Ditto.
2239 (Output_section::build_relaxation_map): Change to use Section_id
2240 instead of Input_section_specifier as key type.
2241 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2243 (Output_section::convert_input_sections_to_relaxed_sections): Change
2244 to use Const_section_id instead of Input_section_specifier as key type.
2245 (Output_section::find_merge_section): Ditto.
2246 (Output_section::find_relaxed_input_section): Ditto.
2247 * output.h (Input_section_specifier): Remove class.
2248 (Output_section::Output_section_data_by_input_section_map): Change
2249 key type to Const_section_id.
2250 (Output_section::Output_relaxed_input_section_by_input_section_map):
2252 (Output_section::Relaxation_map): Change key type to Section_id.
2256 * gold/arm.cc: Added support for R_ARM_V4BX relocation
2257 (class Arm_v4bx_stub): New class.
2258 (DEF_STUBS): Updated definition to support v4_veneer_bx.
2259 (Stub_factory::make_arm_v4bx_stub): New method.
2260 (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
2261 (Stub_table::empty): Handle v4bx stubs.
2262 (Stub_table::add_arm_v4bx_stub): New method.
2263 (Stub_table::find_arm_v4bx_stub): New method.
2264 (Arm_relocate_functions::v4bx): New method.
2265 (Target_arm::fix_v4bx): New method.
2266 (Target_arm::Target_arm): Handle R_ARM_V4BX.
2267 (Stub_table::relocate_stubs): Likewise.
2268 (Stub_table::do_write): Likewise.
2269 (Stub_table::update_data_size_and_addralign): Likewise.
2270 (Stub_table::finalize_stubs): Likewise.
2271 (Target_arm::Scan::local): Likewise.
2272 (Target_arm::Scan::global): Likewise.
2273 (Target_arm::do_finalize_sections): Likewise.
2274 (Target_arm::Relocate::relocate): Likewise.
2275 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2277 (Target_arm::scan_reloc_for_stub): Likewise.
2278 (Target_arm::scan_reloc_section_for_stubs): Likewise.
2282 * output.cc (Output_section_headers::do_sized_write): Write large
2283 segment count to sh_info field.
2284 (Output_file_header::do_sized_write): For large segment count,
2285 write PN_XNUM to e_phnum field.
2289 * arm.cc (Arm_relocate_functions::thm_jump6): New function.
2290 (Arm_relocate_functions::thm_jump8): New function.
2291 (Arm_relocate_functions::thm_jump11): New function.
2292 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
2294 (Target_arm::Scan::global): Likewise.
2295 (Target_arm::Relocate::relocate): Likewise.
2296 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2301 * arm.cc (map, utility): Include headers.
2302 (Target_arm::apply_cortex_a8_workaround): New method.
2303 (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
2304 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
2305 (Target_arm::Scan::global): R_ARM_THM_JUMP19.
2306 (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
2307 the --[no-]fix-cortex-a8 command line options.
2308 (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
2309 (Target_arm::relocate_stub): Use addend in instruction template.
2310 * options.h (DEFINE_bool): Set the user-set flag.
2311 (General_options): Add --[no-]-fix-cortex options.
2312 * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
2313 : Update fast look-up map after conversion.
2317 * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
2318 in the first pass of do_layout.
2322 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2323 Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
2324 apparent compiler problem of not folding static constant integral
2325 data members of elfcpp::Elf_sizes<32>.
2329 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2330 Arm_relobj::section_needs_cortex_a8_stub_scanning,
2331 Arm_relobj::scan_section_for_cortex_a8_erratum,
2332 Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
2333 (Arm_relobj::scan_sections_for_stubs): Move code deciding what
2334 sections to scan for relocation stubs into a new method
2335 Arm_relobj::section_needs_reloc_stub_scanning. Handle both
2336 relocation and Cortex-A8 stub scanning.
2337 (Target_arm::do_relax): Force stubs to be after stubbed sections
2338 if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
2339 the beginning of a new relaxation pass. Update a comment.
2340 (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
2344 * target-reloc.h (visibility_error): New inline function.
2345 (relocate_section): Call visibility_error.
2346 * testsuite/Makefile.am (check_DATA): Add protected_3.err.
2347 (MOSTLYCLEANFILES): Likewise.
2348 (protected_4_pic.o, protected_3.err): New targets.
2349 * testsuite/protected_4.cc: New file.
2353 * arm.cc (Cortex_a8_reloc): New class.
2354 (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
2355 and cortex_a8_relocs_info_.
2356 (Target_arm::fix_cortex_a8): New method definition.
2357 (Target_arm::Cortex_a8_relocs_info): New type.
2358 (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
2359 New data member declarations.
2360 (Target_arm::scan_reloc_for_stub): Record information about
2361 relocations for THUMB branches that might be exempted from the
2362 Cortex-A8 workaround.
2363 (Target_arm::do_relax): Clear all Cortex-A8 relocation information
2364 at the beginning of a relaxation pass.
2368 * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
2369 (Arm_relobj::Mapping_symbol_position,
2370 Arm_reloj::Mapping_symbol_position_less,
2371 Arm_relobj::Mapping_symbols_info): New types.
2372 (Target_arm::is_mapping_symbol_name): New method definition.
2373 (Arm_relobj::do_count_local_symbols): Save information about mapping
2378 * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
2379 Arm_relocate_functions::thumb32_branch_upper,
2380 Arm_relocate_functions::thumb32_branch_lower,
2381 Arm_relocate_functions::thumb32_cond_branch_offset,
2382 Arm_relocate_functions::thumb32_cond_branch_upper,
2383 Arm_relocate_functions::thumb32_cond_branch_lower,
2384 Arm_relocate_functions::thm_jump19): New methods to handle THUMB
2385 branch offset encoding.
2386 (Arm_relocate_functions::thumb_branch_common): Use new branch
2387 offset encoding methods to avoid code duplication.
2388 (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
2389 (Stub_addend_reader::operator()): Use new branch encoding method
2390 to avoid code duplication.
2394 * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
2395 (Target_arm::do_finalize_sections): Define special EXIDX section
2396 symbols only if referenced.
2397 * gc.h (Garbage_collection::add_reference): New method.
2398 (gc_process_relocs): Use Garbage_collection::add_reference to avoid
2403 * script.cc (Version_script_info::build_expression_list_lookup):
2404 Change complaing about duplicate wildcard match from error to
2407 * script.cc (class Lazy_demangler): Recreate--revert part of patch
2409 (Version_script_info::Version_script_info): Initialize globs_,
2410 default_version_, default_is_global_, and exact_. Don't
2411 initialize globals_ or locals_.
2412 (Version_script_info::build_lookup_tables): Build local symbols
2414 (Version_script_info::unquote): New function.
2415 (Version_script_info::add_exact_match): New function.
2416 (Version_script_info::build_expression_list_lookup): Remove lookup
2417 parameter. Add is_global parameter. Change all callers. Handle
2418 wildcard pattern specially. Unquote pattern. Call
2420 (Version_script_info::get_name_to_match): New function.
2421 (Version_script_info::get_symbol_version): New function.
2422 (Version_script_info::get_symbol_version_helper): Remove.
2423 (Version_script_info::check_unmatched_names): Call unquote.
2424 * script.h (class Version_script_info): Change get_symbol_version
2425 to be non-inline and add is_global parameter; change all callers.
2426 Rewrite symbol_is_local. Update declarations. Define struct
2427 Version_tree_match, Exact, Globs. Don't define struct Lookup.
2428 Remove globals_ and locals_ members. Add exact_, globs_,
2429 default_version_, is_global_.
2430 (Version_script_info::Glob): Remove pattern, add expression and
2431 is_global. Update constructor. Change all callers.
2432 * dynobj.cc (Versions::finalize): Mark the version symbol as the
2434 (Versions::symbol_section_contents): If a symbol is undefined, or
2435 defined in a dynamic object, set the version index to
2437 * symtab.cc (Symbol_table::add_from_relobj): Don't call
2439 (Symbol_table::add_from_pluginobj): Likewise.
2440 * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
2444 * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
2445 (incremental_dump_LDADD): Add linking option for libintl.
2446 * Makefile.in: Regenerate.
2451 * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
2453 * testsuite/Makefile.in: Regenerated.
2457 * options.h (DEFINE_var): Use parentheses around argument varname__
2458 in macro body to avoid any unintended subsequent substitutions.
2462 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
2463 candidates before doing symbol resolution.
2465 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
2466 ODR candidates if only one is weak.
2470 * script.cc (Version_script_info::build_expression_list_lookup):
2471 Don't warn about ambiguous version, just record the ambiguity.
2472 (Version_script_info::get_symbol_version_helper): Give error if
2473 version is ambiguous.
2477 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
2478 prev_data_size_ and prev_addralign_. Remove initializer for
2479 deleted data member has_been_changed_.
2480 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
2481 to determine if the table is empty.
2482 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
2484 (Stub_table::add_reloc_stub): Define method in class definition
2485 instead of just declaring it there.
2486 (Stub_table::add_cortex_a8_stub): New method definition.
2487 (Stub_table::update_data_size_and_addralign): Ditto.
2488 (Stub_table::finalize_stubs): Ditto.
2489 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
2490 (Stub_table::do_addralign_): Return address alignment in the
2491 (Stub_table::do_reset_address_and_file_offset): Define method in
2492 class definition instead of declaring it there. Set current data
2493 size to be the data size of the previous pass.
2494 (Stub_table::set_final_data_size): Use current data size as the
2496 (Stub_table::relocate_stub): Change parameter type of stub from
2497 Reloc_stub pointer to Stub pointer.
2498 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
2499 (Stub_table::Cortex_a8_stub_list): New typedef.
2500 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
2501 Stub_table::prev_addralign_): New data member.
2502 (Arm_relobj::Arm_relobj): Initialize data member
2503 section_has_cortex_a8_workaround_.
2504 (Arm_relobj::section_has_cortex_a8_workaround,
2505 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
2507 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
2509 (Target_arm::relocate_stub): Change parameter type of stub from
2510 Reloc_stub pointer to Stub pointer.
2511 (Insn_template::size, Insn_template::alignment): Handle
2512 THUMB16_SPECIAL_TYPE.
2513 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
2514 Stub_table::update_data_size_and_addralign,
2515 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
2517 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
2518 (Stub_table::do_write): Ditto.
2519 (Target_arm::do_relax): Adjust code for changes in Stub_table.
2524 * symtab.h (class Symbol): Remove fields is_target_special_ and
2525 has_plt_offset_. Add field is_defined_in_discarded_section_.
2526 (Symbol::is_defined_in_discarded_section): New function.
2527 (Symbol::set_is_defined_in_discarded_section): New function.
2528 (Symbol::has_plt_offset): Rewrite.
2529 (Symbol::set_plt_offset): Verify that new offset is not -1U.
2530 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
2531 Don't initialize is_target_special_ or has_plt_offset_.
2532 Initialize is_defined_in_discarded_section_.
2533 (Symbol_table::add_from_relobj): If appropriate, set
2534 is_defined_in_discarded_section.
2535 * resolve.cc (Symbol::override_base_with_special): Don't test
2536 is_target_special_. Change has_plt_offset_ to has_plt_offset().
2537 * target-reloc.h (relocate_section): Do special handling for
2538 symbols defined in discarded sections for global symbols as well
2543 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
2544 the SHT_SYMTAB case.
2548 * object.cc (Sized_relobj::do_layout): Don't get confused if
2549 layout_eh_frame returns NULL.
2554 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
2555 dynamic symbol table, use the normal symbol table.
2556 (Sized_dynobj::do_read_symbols): Remove assertion about type of
2562 * layout.cc (Layout::include_section): Remove .gnu_debuglink
2567 * version.cc (print_version): Change to "Copyright 2010".
2573 * i386.cc (class Target_i386): Change return type of plt_section
2575 (class Output_data_plt_i386): Add tls_desc_rel_ field.
2576 (Output_data_plt_i386::Output_data_plt_i386): Initialize
2577 tls_desc_rel_ field.
2578 (Output_data_plt_i386::rel_tls_desc): New function.
2579 (Target_i386::rel_tls_desc_section): New function.
2580 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
2581 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
2582 R_386_TLS_DESC reloc in rel_tls_desc_section.
2583 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2584 Define struct Tlsdesc_info.
2585 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2586 (Target_x86_64::do_reloc_symbol_index): New function.
2587 (Target_x86_64::add_tlsdesc_info): New function.
2588 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2589 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2591 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
2593 (Output_data_plt_x86_64::rela_tlsdesc): New function.
2594 (Target_x86_64::rela_tlsdesc_section): New function.
2595 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2597 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2598 (Target_x86_64::do_reloc_addend): New function.
2599 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2600 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2601 declarations. Define TARGET_CODE. Add arg field to u1_ union.
2602 (Output_reloc::type): New function.
2603 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2604 (Output_reloc::is_target_specific): New function.
2605 (Output_reloc::target_arg): New function.
2606 (class Output_reloc) [SHT_RELA]: Add four new constructors for
2607 absolute relocs and target specific relocs.
2608 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2609 add_target_specific.
2610 (class Output_data_reloc) [SHT_RELA]: Likewise.
2611 * output.cc (Output_reloc::Output_reloc): Add four new versions
2612 for absolute relocs and target specific relocs.
2613 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2614 (Output_reloc::get_symbol_index): Likewise.
2615 (Output_reloc::local_section_offset): Check that local_sym_index_
2616 is not TARGET_CODE or 0.
2617 (Output_reloc::symbol_value): Likewise.
2618 (Output_reloc::write) [SHT_RELA]: Call target for target specific
2620 * target.h (class Target): Add reloc_symbol_index and reloc_addend
2621 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
2623 * layout.cc (add_target_dynamic_tags): Use output section for
2624 DT_PLTRELSZ and DT_JMPREL.
2629 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2631 (class Output_data_reloc_generic): Define.
2632 (class Output_data_reloc_base): Change base class to
2633 Output_data_reloc_generic. Change add() method to call
2634 bump_relative_reloc_count for a relative reloc. Remove
2636 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2638 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2639 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
2641 * layout.h (class Layout): Update declaration.
2645 * output.h (class Output_data): Add const version of
2646 output_section and do_output_section.
2647 (class Output_section_data): Add const version of
2649 (class Output_section): Likewise.
2650 * layout.cc (Layout::add_target_dynamic_tags): New function.
2651 * layout.h (class Layout): Update declarations.
2652 * arm.cc (Target_arm::do_finalize_sections): Use
2653 add_target_dynamic_tags.
2654 * i386.cc (Target_i386::do_finalize_sections): Likewise.
2655 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2656 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2657 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2662 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2669 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2670 Xindex::read_symtab_xindex.
2674 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2675 (Insn_template::thumb16_bcond_insn): New method declaration.
2676 (Insn_template): Fix spelling.
2677 (Stub::thumb16_special): New method declaration.
2678 (Stub::do_write): Define virtual method which was previously pure
2680 (Stub::do_thumb16_special): New method declaration.
2681 (Stub::do_fixed_endian_write): New template member.
2682 (Reloc_stub::do_write): Remove.
2683 (Reloc_stub::do_fixed_endian_write): Remove.
2684 (Cortex_a8_stub): New class definition.
2685 (Stub_factory::make_cortex_a8_stub): New method definition.
2686 (Stub_factory::Stub_factory): Add missing static storage class
2687 qualifier for elf32_arm_stub_a8_veneer_blx.
2692 * options.h (class General_options): Add --warn-unresolved-symbols
2693 and --error-unresolved-symbols.
2694 * errors.cc (Errors::undefined_symbol): Implement
2695 --warn-unresolved-symbols.
2697 * options.h (class General_options): Add -z text and -z textoff.
2698 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2702 * gc.h (Garbage_collection::Cident_section_map): New typedef.
2703 (Garbage_collection::cident_sections): New function.
2704 (Garbage_collection::add_cident_section): New function.
2705 (Garbage_collection::cident_sections_): New member.
2706 (gc_process_relocs): Add references to sections whose names are C
2708 * gold.h (cident_section_start_prefix): New constant.
2709 (cident_section_stop_prefix): New constant.
2710 (is_cident): New function.
2711 * layout.cc (Layout::define_section_symbols): Replace string constants
2712 with the newly defined constants.
2713 * object.cc (Sized_relobj::do_layout): Track sections whose names are
2715 * testsuite/Makefile.am: Add gc_orphan_section_test.
2716 * testsuite/Makefile.in: Regenerate.
2717 * testsuite/gc_orphan_section_test.cc: New file.
2718 * testsuite/gc_orphan_section_test.sh: New file.
2723 * options.h (class General_options): Add --warn-shared-textrel.
2724 * layout.cc (Layout::finish_dynamic_section): Implement
2725 --warn-shared-textrel.
2728 * options.h (class General_options): Add --warn-multiple-gp.
2732 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2733 $(THREADSLIB) and $(LIBDL).
2734 * Makefile.in: Rebuild.
2739 * options.cc (General_options::parse_section_start): New function.
2740 (General_options::section_start): New function.
2741 (General_options::General_options): Initialize all members.
2742 * options.h: Include <map>
2743 (class General_options): Add --section-start. Add section_starts_
2745 * layout.cc (Layout::attach_allocated_section_to_segment): If
2746 --section-start was used, set the address of the segment. Remove
2747 local sort_sections.
2748 (Layout::relaxation_loop_body): If the address of the load segment
2749 has been set by --section-start, don't use it.
2750 * output.h (Output_segment::update_flags_for_output_section): New
2752 * output.cc (Output_segment::add_output_section): Call
2753 update_flags_for_output_section.
2758 * options.h (class General_options): Add --undefined-version.
2759 * script.cc (struct Version_expression): Add was_matched_by_symbol
2761 (Version_script_info::matched_symbol): New function.
2762 (Version_script_info::get_symbol_version_helper): Call
2764 (Version_script_info::check_unmatched_names): New function.
2765 * script.h (class Version_script_info): Update declarations.
2766 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2768 * options.h (class General_options): Use DEFINE_bool_alias for
2769 allow_multiple_definition.
2770 * resolve.cc (Symbol_table::should_override): Don't test
2771 allow_multiple_definition.
2774 * options.h (class General_options): Add --cref.
2775 * main.cc (main): Print cref table if --cref. Don't close mapfile
2776 until after printing cref table.
2777 * cref.cc: Include "symtab.h".
2778 (class Cref_inputs): Define Cref_table_compare and Cref_table.
2779 (Cref_table_compare::operator()): New function.
2780 (Cref_inputs::gather_cref): New function.
2781 (filecol): New static const.
2782 (Cref_inputs::print_cref): New function.
2783 (Cref::print_cref): New function.
2784 * cref.h: Include <cstdio>.
2785 (class Cref): Update declarations.
2786 * mapfile.h (Mapfile::file): New function.
2787 * object.h (class Object): Define Symbols. Declare virtual
2788 do_get_global_symbols.
2789 (Object::get_global_symbols): New function.
2790 * object.cc (Input_objects::add_object): Pass object to cref_ if
2792 (Input_objects::archive_start): Likewise.
2793 (Input_objects::archive_stop): Likewise.
2794 (Input_objects::print_cref): New function.
2795 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2796 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2798 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2800 * plugin.h (class Sized_pluginobj): Update declarations.
2804 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2805 to is_default_version. Rename insdef to insdefault.
2806 (Symbol_table::add_from_relobj): Rename def to is_default_version
2807 and local to is_forced_local.
2808 (Symbol_table::add_from_pluginobj): Likewise.
2809 (Symbol_table::add_from_dynobj): Likewise.
2810 (Symbol_table::define_special_symbol): Rename insdef to
2816 * options.h (class General_options): Add
2817 --allow-multiple-definition and -z muldefs.
2818 * resolve.cc (Symbol_table::should_override): Don't warn about a
2819 multiple symbol definition if --allow-multiple-definition or -z
2823 * options.h (class General_options): Add --add-needed and
2824 --copy-dt-needed-entries. Tweak --as-needed help entry.
2825 * object.cc (Input_objects::check_dynamic_dependencies): Give an
2826 error if --copy-dt-needed-entries aka --add-needed is used and
2827 would cause a change in behaviour.
2830 * options.h (class General_options): Add -G as a short version of
2831 --shared. Add no-op options -assert, -g, and -i.
2835 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2836 check for .text or .gnu.linkonce.t sections.
2837 * icf.cc (Icf::find_identical_sections): Ditto.
2838 Change the detection for mangled function name within the section
2840 * icf.h (is_section_foldable_candidate): New function.
2845 * options.h (class General_options): Permit two dashes with
2846 --retain-symbols-file.
2851 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2852 don't put the file header and segment headers in the text
2856 * common.cc (Sort_commons::operator()): Stabilize sort when both
2858 (Symbol_table::do_allocate_commons_list): When allocating common
2859 symbols, skip a symbol which is no longer common.
2860 * symtab.h (Symbol::is_common): Test whether the symbol comes from
2861 an object before checking its type.
2862 * testsuite/common_test_2.c: New file.
2863 * testsuite/common_test_3.c: New file.
2864 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2865 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2866 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2867 (common_test_2_pic.o, common_test_2.so): New targets.
2868 (common_test_3_pic.o, common_test_3.so): New targets.
2869 * testsuite/Makefile.in: Rebuild.
2872 * script.cc (read_input_script): If we see a new SECTIONS clause,
2873 and we have added an input section, give an error.
2874 * layout.h (class Layout): Add have_added_input_section function.
2875 Add have_added_input_section_ field.
2876 * layout.cc (Layout::Layout): Initialize
2877 have_added_input_section_.
2878 (Layout::layout): Set have_added_input_section_.
2879 (Layout::layout_eh_frame): Likewise.
2884 * options.h (class General_options): Add --sort-common option.
2885 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2886 * common.cc (Sort_common): Add sort_order parameter to
2887 constructor. Add sort_order_ field.
2888 (Sort_commons::operator): Check sort_order_.
2889 (Symbol_table::allocate_commons): Determine the sort order.
2890 (Symbol_table::do_allocate_commons): Add sort_order parameter.
2892 (Symbol_table::do_allocate_commons_list): Likewise.
2897 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2898 symbols from this object, don't change the visibility of an
2900 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2905 * script.h (class Version_script_info): Define Language enum.
2906 Update declarations. Define Glob, Exact, and Lookup types. Add
2907 new fields globals_, locals_, and is_finalized_.
2908 * script.cc: Various formatting fixes.
2909 (class Parser_closure): Change language_stack_ from a vector of
2910 std::string to one of Version_script_info::Language. Adjust all
2912 (class Lazy_demangler): Remove.
2913 (struct Version_expression): Change language from std::string to
2914 Version_script_info::Language.
2915 (Version_script_info::Version_script_info): New function.
2916 (Version_script_info::~Version_script_info): Don't call clear.
2917 (Version_script_info::finalize): New function.
2918 (Version_script_info::build_lookup_tables): New function.
2919 (Version_script_info::build_expression_list_lookup): New
2921 (Version_script_info::get_symbol_version_helper): Rewrite to use
2923 (Version_script_info::print_expression_list): Adjust to use
2924 Version_script_info::Language.
2925 (script_push_lex_into_version_mode): Check that the version script
2926 has not been finalized.
2927 (version_script_push_lang): Change language string to
2928 Version_script_info::Language.
2929 * options.cc (Command_line::version_script): New function.
2930 * options.h (class General_options): Add finalize_dynamic_list
2931 function. Change version_script from declaration to definition.
2932 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2933 * testsuite/version_script.map: Remove duplicate def of foo.
2934 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2936 * testsuite/Makefile.in: Rebuild.
2941 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2942 if the input symbol index is 0, make the output symbol index 0.
2947 * options.h (class General_options): Add -x/--discard-all.
2948 * object.cc (Sized_relobj::do_count_local_symbols): Handle
2949 --discard-all. If the local symbol needs a dynamic entry, check
2950 that before handling --discard-locals.
2955 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2957 (Output_segment::add_output_section): Don't change the flags if
2961 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2962 GNU hash table if they need a dynamic value. Otherwise, don't add
2963 them if they are defined in a dynamic object or are forced local.
2968 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2969 .gnu.hash table for a 32-bit target.
2972 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2973 regular and a dynamic object only needs a dynamic symbol table
2974 entry if it is externally visible.
2977 * i386.cc (class Target_i386): Initialize global_offset_table_ in
2978 constructor. Add global_offset_table_ field.
2979 (Target_i386::got_section): Set global_offset_table_.
2980 (Target_i386::do_finalize_sections): Set global_offset_table_
2982 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2983 in constructor. Add global_offset_table_ field.
2984 (Target_x86_64::got_section): Set global_offset_table_.
2985 (Target_x86_64::do_finalize_sections): Set global_offset_table_
2988 * layout.cc (Layout::Layout): Initialize increase_relro_.
2989 (Layout::get_output_section): Add is_relro, is_last_relro, and
2990 is_first_non_relro parameters. Change all callers.
2991 (Layout::choose_output_section): Likewise.
2992 (Layout::add_output_section_data): Likewise.
2993 (Layout::make_output_section): Likewise.
2994 (Layout::set_segment_offsets): Clear increase_relro when using a
2996 * layout.h (class Layout): Add increase_relro method. Add
2997 increase_relro_ field. Update declarations.
2998 * output.cc (Output_section::Output_section): Initialize
2999 is_last_relro_ and is_first_non_relro_.
3000 (Output_segment::add_output_section): Group relro sections is
3001 do_sort is true. Handle is_last_relro and is_first_non_relro.
3002 (Output_segment::maximum_alignment): Remove relro handling.
3003 (Output_segment::set_section_addresses): Add increase_relro
3004 parameter. Change all callers. Add initial alignment to align
3005 relro sections on separate page. Remove old relro handling.
3006 (Output_segment::set_section_list_addresses): Remove in_relro
3007 parameter. Change all callers.
3008 (Output_segment::set_offset): Add increase parameter. Change all
3009 callers. Remove old relro handling.
3010 * output.h (class Output_section): Add new methods: is_last_relro,
3011 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3012 Add is_last_relro_ and is_first_non_relro_ fields.
3013 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3014 Create separate .got.plt section. Call increase_relro.
3015 * x86_64.cc (Target_x86_64::got_section): Likewise.
3016 * testsuite/relro_script_test.t: Add .got.plt.
3019 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3020 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3021 (Layout::finalize): Call set_dynamic_symbol_size.
3022 (Layout::set_dynamic_symbol_size): New function.
3023 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
3024 set_dynamic_symbol_size.
3027 * output.h (class Output_section): Add is_entsize_zero_ field.
3028 * output.cc (Output_section::Output_section): Initialize
3030 (Output_section::set_entsize): If two different entsizes are
3031 requested, force it to zero.
3032 (Output_section::add_input_section): Set flags for .debug_str
3033 before updating section flags. Set entsize.
3034 (Output_section::update_flags_for_input_section): Set SHF_MERGE
3035 and SHF_STRING if all input sections have those flags.
3039 * main.cc (main): Fix the sys time reporting.
3040 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3045 * options.cc (General_options::parse_version): Allow -v to exit
3046 without an error if there is nothing to link.
3050 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3051 using a version of gcc before 4.1.
3052 * configure: Rebuild.
3056 * attributes.cc (Output_attributes_section_data::do_write): Use
3057 std::vector::front rather than std::vector::data.
3061 * symtab.h (class Symbol_table): Add enum Defined.
3062 * resolve.cc (Symbol_table::should_override): Add defined
3063 parameter. Change all callers. Test whether object is NULL
3064 before calling a method on it.
3065 (Symbol_table::report_resolve_problem): Add defined parameter.
3067 (Symbol_table::should_override_with_special): Likewise.
3068 * symtab.cc (Symbol_table::define_in_output_data): Add defined
3069 parameter. Change all callers.
3070 (Symbol_table::do_define_in_output_data): Likewise.
3071 (Symbol_table::define_in_output_segment): Likewise.
3072 (Symbol_table::do_define_in_output_segment): Likewise.
3073 (Symbol_table::define_as_constant): Likewise.
3074 (Symbol_table::do_define_as_constant): Likewise.
3075 * script.h (class Symbol_assignment): Add is_defsym parameter to
3076 constructor; change all callers.
3077 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3078 parameter. Change all callers. Add is_defsym_ field.
3079 (class Parser_closure): Add parsing_defsym parameter to
3080 constructor; change all callers. Add parsing_defsym accessor
3081 function. Add parsing_defsym_ field.
3085 * gold.cc (queue_middle_tasks): Fix formatting.
3086 * object.cc (Relobj::is_section_name_included): Likewise.
3090 * i386.cc (Target_i386::do_calls_non_split): Recognize
3091 -fsplit-stack prologue for a function with a static chain.
3092 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3093 -fsplit-stack prologue when using %r11.
3097 * options.cc (General_options::parse_version): Make -v continue and do
3098 the link like GNU ld does.
3102 * Makefile.am (CCFILES): Add timer.cc.
3103 (HFILES): Add timer.h.
3104 * configure.ac: Check for sysconf and times.
3105 * main.cc: include timer.h.
3106 (main): Use Timer instead of get_run_time.
3109 * workqueue.cc: include timer.h.
3110 (Workqueue::find_and_run_task):
3111 Report user, sys and wall time.
3112 * Makefile.in: Regenerate.
3113 * config.in: Regenerate.
3114 * configure: Regenerate.
3118 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3120 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3121 relaxed input sections.
3122 * output.cc (Output_section::find_relaxed_input_section): Change
3123 return type to Output_relaxed_input_section pointer. Adjust code
3124 for new type of relaxed_input_section_map_.
3125 * output.h (Output_section::find_relaxed_input_section): Change
3126 return type to Output_relaxed_input_section pointer.
3127 (Output_section::Output_relaxed_input_section_by_input_section_map):
3129 (Output_section::relaxed_input_section_map_): Change type to
3130 Output_section::Output_relaxed_input_section_by_input_section_map.
3131 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
3136 * layout.cc (Layout::create_shstrtab): Only write out after input
3137 sections if we are compressing debug sections.
3141 * archive.cc (Archive::add_symbols): Only look up a symbol without
3142 a version if there is, in fact, a version.
3146 Revert -Wshadow changes, all changes from:
3149 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
3153 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
3155 * attributes.cc (Object_attribute::size): Ditto.
3156 (Attributes_section_data::size): Ditto.
3157 (Attributes_section_data::Attributes_section_data): Ditto.
3158 (Output_attributes_section_data::do_write): Ditto.
3159 * attributes.h (Object_attribute::set_type): Ditto.
3160 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
3164 * archive.cc: Fix shadowed variable warnings.
3166 * compressed_output.cc: Likewise.
3167 * compressed_output.h: Likewise.
3168 * configure: Likewise.
3169 * dwarf_reader.cc: Likewise.
3170 * dynobj.cc: Likewise.
3171 * dynobj.h: Likewise.
3172 * ehframe.cc: Likewise.
3173 * ehframe.h: Likewise.
3174 * errors.cc: Likewise.
3175 * expression.cc: Likewise.
3176 * fileread.cc: Likewise.
3177 * fileread.h: Likewise.
3178 * freebsd.h: Likewise.
3179 * i386.cc: Likewise.
3181 * incremental.h: Likewise.
3182 * layout.cc: Likewise.
3183 * layout.h: Likewise.
3184 * mapfile.cc: Likewise.
3185 * merge.cc: Likewise.
3186 * merge.h: Likewise.
3187 * object.cc: Likewise.
3188 * object.h: Likewise.
3189 * options.h: Likewise.
3190 * output.cc: Likewise.
3191 * output.h: Likewise.
3192 * parameters.cc: Likewise.
3193 * plugin.cc: Likewise.
3194 * powerpc.cc: Likewise.
3195 * reduced_debug_output.cc: Likewise.
3196 * reduced_debug_output.h: Likewise.
3197 * reloc.cc: Likewise.
3198 * reloc.h: Likewise.
3199 * resolve.cc: Likewise.
3200 * script-sections.cc: Likewise.
3201 * script.cc: Likewise.
3202 * script.h: Likewise.
3203 * sparc.cc: Likewise.
3204 * symtab.cc: Likewise.
3205 * symtab.h: Likewise.
3206 * target-select.cc: Likewise.
3207 * target-select.h: Likewise.
3208 * token.h: Likewise.
3209 * workqueue.cc: Likewise.
3210 * workqueue.h: Likewise.
3211 * x86_64.cc: Likewise.
3215 * arm.cc (attributes.h): New include.
3216 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
3217 (Arm_relobj::~Arm_relobj): Delete object pointed by
3218 attributes_section_data_.
3219 (Arm_relobj::attributes_section_data): New method definition.
3220 (Arm_relobj::attributes_section_data_): New data member declaration.
3221 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
3222 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
3223 attributes_section_data_.
3224 (Arm_dynobj::attributes_section_data): New method definition.
3225 (Arm_dynobj::attributes_section_data_): New data member declaration.
3226 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
3227 initialization value of may_use_blx_ to false.
3228 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
3229 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
3230 object attributes to compute results instead of hard-coding.
3231 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
3232 Target_arm::get_secondary_compatible_arch,
3233 Target_arm::set_secondary_compatible_arch
3234 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3235 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
3236 New method declarations.
3237 (Target_arm::get_aeabi_object_attribute): New method definition.
3238 (Target_arm::attributes_section_data_): New data member declaration.
3239 (read_arm_attributes_section): New template definition.
3240 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
3241 (Arm_dynobj::do_read_symbols): Ditto.
3242 (Target_arm::do_finalize_sections): Merge attributes sections from
3243 input. Check for BLX use after attributes section merging.
3244 Fix __exidx_start and __exidx_end visibility. Create an
3245 .ARM.attributes section if necessary.
3246 (Target_arm::get_secondary_compatible_arch,
3247 Target_arm::set_secondary_compatible_arch,
3248 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3249 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
3250 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
3251 New method definitions.
3255 * plugin.cc (Plugin::load): Don't cast from void* to a function
3260 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
3265 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
3266 Replace two_file_shared_1.so with two_file_shared_2.so.
3267 * testsuite/Makefile.in: Regenerated.
3271 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
3272 (HFILES): Add attributes.h and int_encoding.h.
3273 * Makefile.in: Regenerate.
3274 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
3275 function definitions to int_encoding.cc
3276 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
3277 prototypes to int_encoding.h
3278 * reduced_debug_output.cc (int_encoding.h): New include.
3279 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
3280 function definitions to int_encoding.cc
3281 (insert_into_vector, read_from_pointer): Move template definitions to
3283 * attributes.cc: New file.
3284 * attributes.h: New file.
3285 * int_encoding.cc: New file.
3286 * int_encoding.h: New file.
3291 * incremental-dump.cc (dump_incremental_inputs): New.
3292 (main): Use dump_incremental_inputs.
3297 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
3298 checking elfcpp::STT_FUNC.
3299 (Target_i386::Relocate::relocate): Likewise.
3300 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3302 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
3303 symbols from shared libraries into normal FUNC symbols.
3305 * symtab.h (Symbol): Add is_func and use it.
3309 * arm.cc (Target_arm::arm_info): Initialize new fields
3310 attributes_section and attributes_vendor.
3311 * i386.cc (Target_i386::i386_info): Same.
3312 * object.cc (Sized_relobj::do_layout): Skip attribute section.
3313 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
3314 fields attributes_section and attributes_vendor.
3315 * sparc.cc (Target_sparc::sparc_info): Same.
3316 * target.h (Target::attributes_section, Target::attributes_vendor,
3317 Target::is_attributes_section, Target::attribute_arg_type,
3318 Target::attributes_order): New method definitions.
3319 (Target::Target_info::attributes_section,
3320 Target::Target_info::attributes_vendor): New fields.
3321 (Target::do_attribute_arg_type, Target::do_attributes_order): New
3322 virtual method definitions.
3323 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
3324 attributes_section and attributes_vendor.
3325 * testsuite/testfile.cc (Target_test::test_target_info): Same.
3329 * arm.cc: Update comments about interworking and stub generation.
3330 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
3331 considered as non-PIC.
3332 (Arm_relocate_functions::base_abs): Fix formatting.
3333 (Arm_relocate_functions::got_prel): Fix comment. Change interface
3334 of function to use GOT entry address instead of offset.
3335 (Target_arm::Scan::global): Issue an error if a symbol would need a
3336 PLT does not get one because it is untyped. Remove code to create
3337 dynamic symbols for relative branches.
3338 (Target_arm::Relocate::relocate: Use 0 instead of false since function
3339 takes unsigned integer instead of boolean.
3343 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
3344 (two_file_test_LDADD): Likewise.
3345 (common_test_1_LDADD): Likewise.
3346 (exception_test_LDADD) Likewise.
3347 (weak_test_LDADD): Likewise.
3348 (many_sections_test_LDADD): Likewise.
3349 (initpri1_LDADD): Likewise.
3350 (script_test_1_LDADD): Likewise.
3351 (script_test_2_LDADD): Likewise.
3352 (justsyms_LDADD): Likewise.
3353 (binary_test_LDADD): Likewise.
3354 (large_LDADD): Likewise.
3355 * testsuite/Makefile.in: Regenerated.
3359 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
3360 (Symbol_table::override_with_special): Likewise.
3361 (Symbol_table::add_from_object): Likewise.
3365 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3366 Don't set the data_offset twice.
3370 * testsuite/Makefile.in: Regenerate.
3374 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
3375 (Target_arm::do_finalize_sections): Add parameter for symbol table
3376 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
3377 * i386.cc (Target_i386::do_finalize_sections): Add an additional
3378 parameter for symbol table pointer.
3379 * layout.cc (Layout::finalize): Call Target::finalize_sections with
3380 an additional parameter for a pointer to symbol table.
3381 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
3382 parameter for a symbol table pointer.
3383 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
3384 * target.h (Target::finalize_sections, Target::do_finalize_sections):
3386 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
3387 parameter for a symbol table pointer.
3391 * incremental.cc (Incremental_inputs_header)
3392 (Incremental_inputs_header_write, Incremental_inputs_entry)
3393 (Incremental_inputs_entry_write): Move ...
3394 * incremental.h (Incremental_inputs_header)
3395 (Incremental_inputs_header_write, Incremental_inputs_entry)
3396 (Incremental_inputs_entry_write): here.
3400 * incremental.cc (make_sized_incremental_binary): Set the target.
3401 Error if it is incompatible.
3402 * output.h (Output_file): Add filename method.
3406 * incremental.cc (Incremental_inputs_entry): Remove unused argument
3407 from the get_* methods.
3411 * incremental-dump.cc (main): Check that the offeset of a script is 0.
3412 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3413 Write 0 for the data_offset of scripts.
3417 * testsuite/Makefile.am: Add the incremental_test.sh test.
3418 * testsuite/incremental_test.sh: New.
3419 * testsuite/incremental_test_1.c: New.
3420 * testsuite/incremental_test_2.c: New.
3424 * incremental-dump.cc (main): Fix typos.
3429 * incremental-dump.cc (main): Use llu to print 64 bit values.
3434 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
3436 (incremental_dump_LDADD): Likewise.
3437 * Makefile.in: Regenerated.
3445 * arm.cc (Target_arm::Target_arm): Move method definition
3446 outside of class definition. Add code to handle
3447 --target1-rel, --target1-abs and --target2= options.
3448 (Target_arm::get_reloc_reloc_type): Change method to be
3449 non-static and const.
3450 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
3451 New data member declaration.
3452 (Target_arm::Scan::local, Target_arm::Scan::global,
3453 Target_arm::Relocate::relocate,
3454 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3455 Adjust call to Target_arm::get_real_reloc_type.
3456 (Target_arm::get_real_reloc_type): Use command line options
3457 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3458 * options.h (--target1-rel, --target1-abs, --target2): New
3463 * arm.cc (Target_arm::Target_arm): Move method definition outside of
3464 class definition. Add code to handle --target1-rel, --target1-abs
3465 and --target2= options.
3466 (Target_arm::get_reloc_reloc_type): Change method to be non-static
3468 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
3470 (Target_arm::Scan::local, Target_arm::Scan::global,
3471 Target_arm::Relocate::relocate,
3472 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
3473 call to Target_arm::get_real_reloc_type.
3474 (Target_arm::get_real_reloc_type): Use command line options to
3475 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3476 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
3481 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
3482 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
3483 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
3485 (Arm_relocate_functions::thm_call): Replace body with a call to
3486 Arm_relocate_functions::thumb_branch_common.
3487 (Arm_relocate_functions::thm_jump24,
3488 Arm_relocate_functions::thm_xpc22): New method definitions.
3489 (Arm_relocate_functions::thumb_branch_common): New method definition.
3490 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
3492 (Target_arm::Relocate::relocate): Adjust call to thm_call.
3493 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
3497 * Makefile.am: Build incremental-dump
3498 * Makefile.in: Regenerate.
3499 * incremental-dump.cc: New.
3500 * incremental.cc (Incremental_inputs_header_data,
3501 Incremental_inputs_entry_data): Move to incremental.h
3502 * incremental.h: (Incremental_inputs_header_data,
3503 Incremental_inputs_entry_data): Move from incremental.cc
3507 * incremental.cc (Incremental_inputs_header,
3508 Incremental_inputs_header_write, Incremental_inputs_entry,
3509 Incremental_inputs_entry_write): Add a typedef with the data type.
3513 * incremental.cc (Incremental_inputs_header,
3514 Incremental_inputs_header_write, Incremental_inputs_entry,
3515 Incremental_inputs_entry_write): Update comment about which
3516 type has the filed descriptions.
3520 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
3521 (Arm_relocate_functions::arm_branch_common): Change method defintion
3522 in class definition to a method declaration and update list of formal
3524 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
3525 Arm_relocation_functions::jump24): Adjust call to
3526 Arm_relocate_functions::arm_branch_common. Update list of formal
3528 (Arm_relocate_functions::xpc25): New method definition.
3529 (Arm_relocate_functions::arm_branch_common): Move method defintion
3530 out from class definition. Use stubs for mode-switching and extending
3532 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
3533 specially. Change code to enable use of stubs in ARM branches.
3537 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
3538 in method declaration.
3539 (Target_arm::relocate_stub): New method declaration.
3540 (Target_arm::default_target): Change to return a pointer instead of
3542 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
3543 Target_arm::default_target.
3544 (Arm_Relobj::do_relocate_sections): Remove options paramater in
3546 (Target_arm::relocate_section): Adjust view.
3547 (Target_arm::relocate_stub): New method definition.
3551 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
3553 * incremental.cc (open_incremental_binary): Initialized local
3554 variables to avoid warnings.
3555 * object.cc (make_elf_object): Ditto.
3556 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
3562 * testsuite/plugin_test.c: Include "config.h".
3566 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
3567 (arm_symbol_value): Remove.
3568 (Arm_relocate_functions::arm_branch_common,
3569 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
3570 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
3571 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
3572 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
3573 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
3574 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
3575 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
3576 Arm_relocate_functions::thm_mobw_abs_nc,
3577 Arm_relocate_functions::thm_mov_abs,
3578 Arm_relocate_functions::movw_prel_nc,
3579 Arm_relocate_functions::thm_movt_abs,
3580 Arm_relocate_functions::movt_prel,
3581 Arm_relocate_functions::thm_movw_prel_nc,
3582 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
3583 (Target_arm::Relocate::relocate): Only decompose address into two
3584 parts if relocation type uses the thumb-bit and pass the actual
3585 bit instead of a flag indicating that the thumb-bit is used. Adjust
3586 calls to methods in Arm_relocate_functions for this change.
3591 * reloc.cc: Instantiate
3592 Sized_relobj::initialize_input_to_output_maps and
3593 Sized_relobj:free_input_to_output_maps.
3598 * defstd.cc (in_segment): Set only_if_ref true for "end".
3602 * arm.cc (class Reloc_stub): Correct a comment.
3603 (Target_arm::Target_arm): Initialize arm_input_section_map_.
3604 (Target_arm::scan_section_for_stubs): New method declaration.
3605 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3606 Change methods from private to protected.
3607 (Target_arm::do_may_relax): New method definition.
3608 (Target_arm::do_relax, Target_arm::group_sections,
3609 Target_arm::scan_reloc_for_stub,
3610 Target_arm::scan_reloc_section_for_stubs): New method declarations.
3611 (Target_arm::arm_input_section_map_): New data member declaration.
3612 (Target_arm::scan_reloc_for_stub,
3613 Target_arm::scan_reloc_section_for_stubs,
3614 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3615 Target_arm::do_relax): New method definitions.
3619 * configure.ac: Check for (struct stat)::st_mtim
3620 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3621 * config.in: Regenerate.
3622 * configure: Regenerate.
3627 * output.cc (Output_segment::add_output_section): Add missing
3633 * object.h (class Object): Add is_needed and set_is_needed
3634 methods. Add is_needed_ field. Make bool fields into bitfields.
3635 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3636 defined in a dynamic object and referenced by a regular object,
3637 set is_needed for the dynamic object.
3638 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3639 if the file is marked with as_needed and it is not needed.
3644 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3645 tags if data is discarded by linker script.
3646 * i386.cc (Target_i386::do_finalize_sections): Likewise.
3647 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3648 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3649 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3653 * layout.cc (Layout::get_output_section): Add is_interp and
3654 is_dynamic_linker_section parameters. Change all callers.
3655 (Layout::choose_output_section): Likewise.
3656 (Layout::make_output_section): Likewise.
3657 (Layout::add_output_section_data): Add is_dynamic_linker_section
3658 parameter. Change all callers.
3659 * layout.h (class Layout): Update declarations.
3660 * output.h (class Output_section): Add is_interp, set_is_interp,
3661 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3662 Add is_interp_, is_dynamic_linker_section_ fields. Change
3663 generate_code_fills_at_write_ to a bitfield.
3664 * output.cc (Output_section::Output_sections): Initialize new
3666 (Output_segment::add_output_section): Add do_sort parameter.
3672 * options.h (class General_options): Add --warn-common.
3673 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3674 merging two common symbols.
3675 (Symbol_table::should_override): Handle --warn-common when merging
3676 a common symbol with a defined symbol. Use report_resolve_problem
3677 for multiple definitions.
3678 (Symbol_table::report_resolve_problem): New function.
3679 * symtab.h (class Symbol_table): Declare report_resolve_problem.
3683 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3685 (Target_arm::stub_factory): New method definition.
3686 (Target_arm::new_arm_input_section,
3687 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3688 Target_arm::reloc_uses_thumb_bit): New method declarations.
3689 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
3690 New type definitions.
3691 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3692 member declarations.
3693 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3694 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3695 New method definitions.
3699 * options.h (class General_options): Add --warn_constructors.
3704 * defstd.cc (in_section): Add entries for __rel_iplt_start,
3705 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3710 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3711 --msgid-bugs-address.
3712 (install-pdf): New target.
3713 (install-data_yes): Look up one directory to find mkinstalldirs.
3717 * po/Make-in (.po.gmo): Don't generate .gmo files in source
3722 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3726 * arm.cc (Stub_addend_reader): New struct template definition
3727 and partial specializations.
3728 (Stub_addend_reader::operator()): New method definition for a
3729 partially specialized template.
3733 * arm.cc (Arm_relobj::processor_specific_flags): New method
3735 (Arm_relobj::do_read_symbols): New method declaration.
3736 (Arm_relobj::processor_specific_flags_): New data member declaration.
3737 (Arm_dynobj): New class definition.
3738 (Target_arm::do_finalize_sections): Add input_objects parameter.
3739 (Target_arm::do_adjust_elf_header): New method declaration.
3740 (Target_arm::are_eabi_versions_compatible,
3741 (Target_arm::merge_processor_specific_flags): New method declaration.
3742 (Target_arm::do_make_elf_object): New overloaded method definitions
3744 (Arm_relobj::do_read_symbols): New method definition.
3745 (Arm_dynobj::do_read_symbols): Ditto.
3746 (Target_arm::do_finalize_sections): Add input_objects parameters.
3747 Merge processor-specific flags from all input objects.
3748 (Target_arm::are_eabi_versions_compatible,
3749 Target_arm::merge_processor_specific_flags,
3750 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3751 New method definitions.
3752 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3753 Input_objects pointer type parameter.
3754 * layout.cc (Layout::finalize): Pass input objects to target's.
3755 finalize_sections function.
3756 * output.cc (Output_file_header::do_sized_write): Set ELF file
3757 header's processor-specific flags.
3758 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3759 Input_objects pointer type parameter.
3760 * sparc.cc (Target_sparc::do_finalize_sections): Same.
3761 * target.h (Input_objects): New forward class declaration.
3762 (Target::processor_specific_flags,
3763 Target::are_processor_specific_flags_sect): New method definitions.
3764 (Target::finalize_sections): Add input_objects parameter.
3765 (Target::Target): Initialize processor_specific_flags_ and
3766 are_processor_specific_flags_set_.
3767 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3769 (Target::set_processor_specific_flags): New method definition.
3770 (Target::processor_specific_flags_,
3771 Target::are_processor_specific_flags_set_): New data member
3773 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3774 Input_objects pointer type parameter.
3778 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3782 * object.h (class Relobj): Drop options parameter from
3783 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3784 do_scan_relocs, do_relocate. Change all callers.
3785 (class Sized_relobj): Drop options parameters from
3786 do_gc_process_relocs, do_scan_relocs, do_relocate,
3787 do_relocate_sections, relocate_sections, emit_relocs_scan,
3788 emit_relocs_scan_reltype. Change all callers.
3789 (struct Relocate_info): Remove options field and all references to
3791 * reloc.h (class Read_relocs): Remove options constructor
3792 parameter and options_ field. Change all callers.
3793 (class Gc_process_relocs, class Scan_relocs): Likewise.
3794 (class Relocate_task): Likewise.
3795 * target-reloc.h (scan_relocs): Remove options parameter. Change
3797 (scan_relocatable_relocs): Likewise.
3798 * target.h (class Sized_target): Remove options parameter from
3799 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
3801 * gc.h (gc_process_relocs): Remove options parameter. Change all
3803 * arm.cc: Update functions to remove options parameters.
3804 * i386.cc: Likewise.
3805 * powerpc.cc: Likewise.
3806 * sparc.cc: Likewise.
3807 * x86_64.cc: Likewise.
3808 * testsuite/testfile.cc: Likewise.
3812 * arm.cc (Arm_relobj): New class definition.
3813 (Arm_relobj::scan_sections_for_stubs,
3814 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3815 New method definitions.
3819 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3820 (Plugin::cleanup_done_): New member.
3821 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3822 (Plugin_manager::cleanup_done_): Remove.
3823 (Plugin_manager::add_input_file): Edit error message.
3824 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3825 (Plugin_manager::cleanup): Remove use of cleanup_done_.
3829 * fileread.cc: (File_read::View::~View): Use the new
3830 data_ownership_ filed.
3831 (File_read::~File_read): Dispose the new whole_file_view_.
3832 (File_read::open): Mmap the whole file if needed.
3833 (File_read::open): Use whole_file_view_ instead of contents_.
3834 (File_read::find_view): Use whole_file_view_ if applicable.
3835 (File_read::do_read): Use whole_file_view_ instead of contents_.
3836 (File_read::make_view): Use whole_file_view_ instead of contents_,
3837 update File_read::View::View call.
3838 (File_read::find_or_make_view): Update File_read::View::View
3840 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3842 (File_read::View::Data_ownership): New enum.
3843 (File_read::View::View): Replace bool mapped_ with Data_ownership
3845 (File_read::View::mapped_): Remove (replaced by data_ownership_).
3846 (File_read::View::data_ownership_): New field.
3847 (File_read::contents_): Remove (replaced by whole_file_view_).
3848 (File_read::whole_file_view_): New field.
3849 * options.h (class General_options): Add --keep-files-mapped.
3853 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3854 * testsuite/Makefile.am (plugin_test_5): New test case.
3855 * testsuite/Makefile.in: Regenerate.
3859 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3860 from private to protected to allow access by child class.
3861 (Sized_relobj::do_relocate_sections): New method declaration.
3862 (Sized_relobj::relocate_sections): Virtualize.
3863 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
3864 Sized_relobj::relocate_sections. Instantiate template explicitly
3865 for different target sizes and endianity.
3869 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3870 (Arm_input_section::as_arm_input_section): New method.
3871 (Arm_output_section): New class definition.
3872 (Arm_output_section::create_stub_group,
3873 Arm_output_section::group_sections): New method definitions.
3877 * arm.cc (Arm_input_section): New class definition.
3878 (Arm_input_section::init, Arm_input_section:do_write,
3879 Arm_input_section::set_final_data_size,
3880 Arm_input_section::do_reset_address_and_file_offset): New method
3885 * arm.cc (Stub_table, Arm_input_section): New forward class
3887 (Stub_table): New class defintion.
3888 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3889 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3890 New method definition.
3894 * arm.cc: Update copyright comments.
3895 (Target_arm): New forward class template declaration.
3896 (Arm_address): New type.
3897 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3898 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3899 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3901 (Insn_template): Same.
3902 (DEF_STUBS): New macro.
3903 (Stub_type): New enum type.
3904 (Stub_template): New class definition.
3907 (Stub_factory): Same.
3908 (Target_arm::Target_arm): Initialize may_use_blx_ and
3909 should_force_pic_veneer_.
3910 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3911 Target_arm::should_force_pic_veneer,
3912 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3913 Target_arm::using_thumb_only, Target_arm:;default_target): New
3915 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3916 New data member declarations.
3917 (Insn_template::size, Insn_template::alignment): New method defintions.
3918 (Stub_template::Stub_template): New method definition.
3919 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3920 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3921 (Stub_factory::Stub_factory): New method definition.
3922 * gold.h (string_hash): New template.
3923 * output.h (Input_section_specifier::hash_value): Use
3925 (Input_section_specifier::string_hash): Remove.
3926 * stringpool.cc (Stringpool_template::string_hash): Use
3931 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3932 symbols of relaxed input sections.
3933 * output.h (Output_section::find_relaxed_input_section): Make
3938 * dynobj.cc (Versions::Versions): Initialize version_script_.
3939 Only insert base version symbol definition for a shared object
3940 if version script defines any version versions.
3941 (Versions::define_base_version): New method definition.
3942 (Versions::add_def): Check that base version is not needed.
3943 (Versions::add_need): Define base version lazily.
3944 * dynobj.h (Versions::define_base_version): New method declaration.
3945 (Versions::needs_base_version_): New data member declaration.
3946 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3947 (check_DATA): Add no_version_test.stdout.
3948 (libno_version_test.so, no_version_test.o no_version_test.stdout):
3950 * testsuite/Makefile.in: Regenerate.
3951 * testsuite/no_version_test.c: New file.
3952 * testsuite/no_version_test.sh: Ditto.
3956 * expression.cc (class Segment_start_expression): New class definition.
3957 (Segment_start_expression::value): New method definition.
3958 (script_exp_function_segment_start): Return a new
3959 Segment_start_expression.
3960 * gold/script-c.h (script_saw_segment_start_expression): New function
3962 * script-sections.cc (Script_sections::Script_sections): Initialize
3963 SAW_SEGMENT_START_EXPRESSION_ to false.
3964 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3965 and -Tbbs options to specify section addresses if given in
3966 command line and no SEGMENT_START expression is seen in a script.
3967 * script-sections.h (Script_sections::saw_segment_start_expression,
3968 Script_sections::set_saw_segment_start_expression): New method
3970 (Script_sections::saw_segment_start_expression_): New data member
3972 * script.cc (script_saw_segment_start_expression): New function.
3973 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3974 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3975 script_test_7.sh and script_test_8.sh.
3976 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3977 script_test_8.stdout.
3978 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3979 (script_test_6, script_test_6.stdout, script_test_7,
3980 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3981 * Makefile.in: Regenerate.
3982 * testsuite/script_test_6.sh: New file.
3983 * testsuite/script_test_6.t: Same.
3984 * testsuite/script_test_7.sh: Same.
3985 * testsuite/script_test_7.t: Same.
3986 * testsuite/script_test_8.sh: Same.
3990 * output.cc (Output_segment::set_section_list_address): Cast
3991 expressions to unsigned long long type to avoid format warnings.
3995 * script.cc (Script_options::add_symbol_assignment): Always add a
3996 dot assignment to script_sections_.
3997 * script-sections.cc (Script_sections::add_dot_assignment):
3998 Initialize if necessary.
4000 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4001 program headers with no load segment if there is a linker script.
4003 * layout.cc (Layout::set_segment_offsets): Align the file offset
4004 to the segment aligment for -N or -n with no load segment.
4005 * output.cc (Output_segment::add_output_section): Don't crash if
4006 the first section is a TLS section.
4007 (Output_segment::set_section_list_addresses): Print an error
4008 message if the address moves backward in a linker script.
4009 * script-sections.cc
4010 (Output_section_element_input::set_section_addresses): Don't
4011 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4012 (Orphan_output_section::set_section_addresses): Likewise.
4016 * layout.cc (Layout::finish_dynamic_section): Generate tags
4017 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4018 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4019 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4023 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4025 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4026 data_shdr fields of relinfo.
4027 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4028 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
4029 R_386_TLS_LDO_32, adjust based on section flags.
4030 (Target_i386::Relocate::fix_up_ldo): Remove.
4034 Add support for -pie.
4035 * options.h (class General_options): Add -pie and
4037 (General_options::output_is_position_independent): Test -pie.
4038 (General_options::output_is_executable): Return true if not shared
4039 and not relocatable.
4040 (General_options::output_is_pie): Remove.
4041 * options.cc (General_options::finalize): Reject incompatible uses
4043 * gold.cc (queue_middle_tasks): A -pie link is not static.
4044 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4045 * symtab.cc (Symbol::final_value_is_known): Return false if
4046 output_is_position_independent.
4047 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4048 output_is_position_independent.
4049 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4050 output_is_position_independent.
4051 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4052 output_is_position_independent.
4053 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4055 (basic_pie_test.o, basic_pie_test): New targets.
4056 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4057 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4058 (two_file_pie_test): New target.
4059 * testsuite/Makefile.in: Rebuild.
4060 * README: Remove note saying that -pie is not supported.
4064 * options.h (class General_options): Add -init and -fini.
4065 * layout.cc (Layout::finish_dynamic_section): Emit
4066 given init and fini functions.
4070 * gc.h (gc_process_relocs): Check if icf is enabled using new
4072 * gold.cc (queue_initial_tasks): Likewise.
4073 (queue_middle_tasks): Likewise.
4074 * object.cc (do_layout): Likewise.
4075 * symtab.cc (is_section_folded): Likewise.
4076 * main.cc (main): Likewise.
4077 * reloc.cc (Read_relocs::run): Likewise.
4078 (Sized_relobj::do_scan_relocs): Likewise.
4079 * icf.cc (is_function_ctor_or_dtor): New function.
4080 (Icf::find_identical_sections): Check if function is ctor or dtor when
4082 * options.h (General_options::icf): Change option to be an enum.
4083 (Icf_status): New enum.
4084 (icf_enabled): New method.
4085 (icf_safe_folding): New method.
4086 (set_icf_status): New method.
4087 (icf_status_): New variable.
4088 * (options.cc) (General_options::finalize): Set icf_status_.
4089 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4090 icf_test and icf_keep_unique_test to use the --icf enum flag.
4091 * testsuite/icf_safe_test.sh: New file.
4092 * testsuite/icf_safe_test.cc: New file.
4096 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4097 includes to gc.h and icf.h.
4098 * arm.cc: Include gc.h.
4099 * gold.cc: Likewise.
4100 * i386.cc: Likewise.
4101 * powerpc.cc: Likewise.
4102 * sparc.cc: Likewise.
4103 * x86_64.cc: Likewise.
4104 * gc.h: Include icf.h.
4108 * plugin.cc: Include "gold.h" before other header files.
4112 * options.h (Input_file_argument::Input_file_type): New enum.
4113 (Input_file_argument::is_lib_): Replace with...
4114 (Input_file_argument::type_): New member.
4115 (Input_file_argument::Input_file_argument): Take Input_file_type
4116 'type' rather than boolean 'is_lib' as second argument.
4117 (Input_file_argument::is_lib): Use type_.
4118 (Input_file_argument::is_searched_file): New function.
4119 (Input_file_argument::may_need_search): Handle is_searched_file.
4120 * options.cc (General_options::parse_library): Support -l:filename.
4121 (General_options::parse_just_symbols): Update for Input_file_argument
4123 (Command_line::process): Likewise.
4124 * archive.cc (Archive::get_file_and_offset): Likewise.
4125 * plugin.cc (Plugin_manager::release_input_file): Likewise.
4126 * script.cc (read_script_file, script_add_file): Likewise.
4127 * fileread.cc (Input_file::Input_file): Likewise.
4128 (Input_file::will_search_for): Handle is_searched_file.
4129 (Input_file::open): Likewise.
4130 * readsyms.cc (Read_symbols::get_name): Likewise.
4131 * testsuite/Makefile.am (searched_file_test): New test.
4132 * testsuite/Makefile.in: Regenerate.
4133 * testsuite/searched_file_test.cc: New file.
4134 * testsuite/searched_file_test_lib.cc: New file.
4139 * descriptor.cc: Include <cstdio> and "binary-io.h".
4140 (Descriptors::open): Open the files in binary mode always.
4141 * script.cc (Lex::get_token): Treat \r as whitespace.
4145 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
4150 * configure.ac: Check for readv function also.
4151 * fileread.cc (readv): Define if not HAVE_READV.
4152 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
4154 * config.in: Regenerate.
4155 * configure: Regenerate.
4159 * layout.cc (Layout::make_output_section): Call target hook to make
4160 ordinary output section.
4161 (Layout::finalize): Adjust parameter list of call the
4162 Target::may_relax().
4163 * layout.h (class Layout::section_list): New method.
4164 * merge.h (Output_merge_base::entsize): Change visibility to public.
4165 (Output_merge_base::is_string, Output_merge_base::do_is_string):
4167 (Output_merge_string::do_is_string): New method.
4168 * object.cc (Sized_relobj::do_setup): renamed from
4169 Sized_relobj::set_up.
4170 * object.h (Sized_relobj::adjust_shndx,
4171 Sized_relobj::initializ_input_to_output_maps,
4172 Sized_relobj::free_input_to_output_maps): Change visibilities to
4174 (Sized_relobj::setup): Virtualize.
4175 (Sized_relobj::do_setup): New method declaration.
4176 (Sized_relobj::invalidate_section_offset,
4177 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4178 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4179 * options.cc (parse_int): New function.
4180 * options.h (parse_int): New declaration.
4181 (DEFINE_int): New macro.
4182 (stub_group_size): New option.
4183 * output.cc (Output_section::Output_section): Initialize memebers
4184 merge_section_map_, merge_section_by_properties_map_,
4185 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4186 (Output_section::add_input_section): Handled deferred code-fill
4187 generation and remove an old comment.
4188 (Output_section::add_relaxed_input_section): New method definition.
4189 (Output_section::add_merge_input_section): Use merge section by
4190 properties map to speed to search. Update merge section maps
4192 (Output_section::build_relaxation_map): New method definition.
4193 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4195 (Output_section::relax_input_section): Renamed to
4196 Output_section::convert_input_sections_to_relaxed_sections and change
4197 interface to take a vector of pointers to relaxed sections.
4198 (Output_section::find_merge_section,
4199 Output_section::find_relaxed_input_section): New method definitions.
4200 (Output_section::is_input_address_mapped,
4201 Output_section::output_offset, Output_section::output_address):
4202 Use output section data maps to speed up searching.
4203 (Output_section::find_starting_output_address): Add comments.
4204 (Output_section::do_write,
4205 Output_section::write_to_postprocessing_buffer): Do code-fill
4206 generation as appropriate.
4207 (Output_section::get_input_sections): Invalidate relaxed input section
4209 (Output_section::restore_states): Adjust type of checkpoint .
4210 Invalidate relaxed input section map.
4211 * output.h (Output_merge_base): New class declaration.
4212 (Input_section_specifier): New class defintion.
4213 (class Output_relaxed_input_section) Change base class to
4214 Output_section_data_build.
4215 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
4216 base class initializer.
4217 (Output_section::add_relaxed_input_section): New method declaration.
4218 (Output_section::Input_section): Change visibility to protected.
4219 (Output_section::Input_section::relobj,
4220 Output_section::Input_section::shndx): Handle relaxed input sections.
4221 Output_section::input_sections) Change visibility to protected. Also
4222 define overload to return a non-const pointer.
4223 (Output_section::Merge_section_properties): New class defintion.
4224 (Output_section::Merge_section_by_properties_map,
4225 Output_section::Output_section_data_by_input_section_map,
4226 Output_section::Relaxation_map): New types.
4227 (Output_section::relax_input_section): Rename method to
4228 Output_section::convert_input_sections_to_relaxed_sections and change
4229 interface to take a vector of relaxed section pointers.
4230 (Output_section::find_merge_section,
4231 Output_section::find_relaxed_input_section,
4232 Output_section::build_relaxation_map,
4233 Output_section::convert_input_sections_in_list_to_relaxed_sections):
4234 New method declarations.
4235 (Output_section::merge_section_map_
4236 Output_section::merge_section_by_properties_map_,
4237 Output_section::relaxed_input_section_map_,
4238 Output_section::is_relaxed_input_section_map_valid_,
4239 Output_section::generate_code_fills_at_write_): New data members.
4240 * script-sections.cc
4241 (Output_section_element_input::set_section_addresses): Call
4242 current_data_size and addralign methods of relaxed input sections.
4243 (Orphan_output_section::set_section_addresses): Call current_data_size
4244 and addralign methods of relaxed input sections.
4245 * symtab.cc (Symbol_table::compute_final_value): Extract template
4246 from the body of Symbol_table::sized_finalize_symbol.
4247 (Symbol_table::sized_finalized_symbol): Call
4248 Symbol_table::compute_final_value.
4249 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
4250 (Symbol_table::compute_final_value): New templated method declaration.
4251 * target.cc (Target::do_make_output_section): New method defintion.
4252 * target.h (Target::make_output_section): New method declaration.
4253 (Target::relax): Add more parameters for input objects, symbol table
4254 and layout. Adjust call to do_relax.
4255 (Target::do_make_output_section): New method declaration.
4256 (Target::do_relax): Add parameters for input objects, symbol table
4261 * pread.c: Include stdio.h.
4265 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
4270 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4271 Change read_shndx type to unsigned int.
4272 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4274 (Sized_dwarf_line_info::read_line_mappings): Likewise.
4275 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
4276 Change read_shndx type to unsigned int.
4277 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4279 (Sized_dwarf_line_info::read_line_mappings): Likewise.
4280 * layout.cc (Layout::create_symtab_sections): Cast the result of
4281 local_symcount * symsize to off_t in the gold_assert.
4285 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
4286 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
4288 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
4289 (Arm_relocate_functions::thm_abs5): New function.
4290 (Arm_relocate_functions::abs12): New function.
4291 (Arm_relocate_functions::abs16): New function.
4292 (Arm_relocate_functions::base_abs): New function.
4293 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
4294 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
4295 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
4297 (Scan::global): Likewise.
4298 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
4299 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
4300 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
4301 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
4306 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
4307 (Arm_relocate_functions::movt_prel): New function.
4308 (Arm_relocate_functions::thm_movw_prel_nc): New function.
4309 (Arm_relocate_functions::thm_movt_prel): New function.
4310 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
4311 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
4312 (Scan::global, Relocate::relocate): Likewise.
4313 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4317 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
4318 Incremental_checker.
4319 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
4321 (class Incremental_inputs_header): New class.
4322 (Incremental_inputs_header_writer): Edit comment.
4323 (Incremental_inputs_entry): New class.
4324 (Incremental_inputs_entry_writer): Edit comment.
4325 (Sized_incremental_binary::do_find_incremental_inputs_section):
4326 Add *strtab_shndx parameter, fill it.
4327 (Sized_incremental_binary::do_check_inputs): New method.
4328 (Incremental_checker::can_incrementally_link_output_file): Use
4329 Sized_incremental_binary::check_inputs.
4330 (Incremental_inputs::report_command_line): Save command line in
4333 (Incremental_binary::find_incremental_inputs_section): New
4335 (Incremental_binary::do_find_incremental_inputs_section): Add
4336 strtab_shndx parameter.
4337 (Incremental_binary::do_check_inputs): New pure virtual method.
4338 (Sized_incremental_binary::do_check_inputs): Declare.
4339 (Incremental_checker::Incremental_checker): Add incremental_inputs
4340 parameter, use it to initialize incremental_inputs_.
4341 (Incremental_checker::incremental_inputs_): New field.
4342 (Incremental_checker::command_line): New method.
4343 (Incremental_checker::inputs): New method.
4344 (Incremental_checker::command_line_): New field.
4348 * incremental.cc: Include <cstdarg> and "target-select.h".
4349 (vexplain_no_incremental): New function.
4350 (explain_no_incremental): New function.
4351 (Incremental_binary::error): New method.
4352 (Sized_incremental_binary::do_find_incremental_inputs_section): New
4354 (make_sized_incremental_binary): New function.
4355 (open_incremental_binary): New function.
4356 (can_incrementally_link_file): Add checks if output is ELF and has
4358 * incremental.h: Include "elfcpp_file.h" and "output.h".
4359 (Incremental_binary): New class.
4360 (Sized_incremental_binary): New class.
4361 (open_incremental_binary): Declare.
4362 * object.cc (is_elf_object): Use
4363 elfcpp::Elf_recognizer::is_elf_file.
4364 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
4365 * output.h (Output_file::filesize): New method.
4369 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
4371 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
4372 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
4374 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
4376 (Arm_relocate_functions::movw_abs_nc): New function.
4377 (Arm_relocate_functions::movt_abs): New function.
4378 (Arm_relocate_functions::thm_movw_abs_nc): New function.
4379 (Arm_relocate_functions::thm_movt_abs): New function.
4380 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
4381 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
4382 (Scan::global): Likewise.
4383 (Relocate::relocate): Likewise.
4384 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4388 * arm.cc (Arm_relocate_functions::got_prel) New function.
4389 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
4390 (Relocate::relocate): Likewise.
4391 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4395 * options.h (class General_options): Define
4396 split_stack_adjust_size parameter.
4397 * object.h (class Object): Add uses_split_stack_ and
4398 has_no_split_stack_ fields. Add uses_split_stack and
4399 has_no_split_stack accessor functions. Declare
4400 handle_split_stack_section.
4401 (class Reloc_symbol_changes): Define.
4402 (class Sized_relobj): Define Function_offsets. Declare
4403 split_stack_adjust, split_stack_adjust_reltype, and
4405 * object.cc (Object::handle_split_stack_section): New function.
4406 (Sized_relobj::do_layout): Call handle_split_stack_section.
4407 * dynobj.cc (Sized_dynobj::do_layout): Call
4408 handle_split_stack_section.
4409 * reloc.cc (Sized_relobj::relocate_sections): Call
4410 split_stack_adjust for executable sections in split_stack
4411 objects. Pass reloc_map to relocate_section.
4412 (Sized_relobj::split_stack_adjust): New function.
4413 (Sized_relobj::split_stack_adjust_reltype): New function.
4414 (Sized_relobj::find_functions): New function.
4415 * target-reloc.h: Include "object.h".
4416 (relocate_section): Add reloc_symbol_changes parameter. Change
4418 * target.h (class Target): Add calls_non_split method. Declare
4419 do_calls_non_split virtual method. Declare match_view and
4421 * target.cc: Include "elfcpp.h".
4422 (Target::do_calls_non_split): New function.
4423 (Target::match_view): New function.
4424 (Target::set_view_to_nop): New function.
4425 * gold.cc (queue_middle_tasks): Give an error if mixing
4426 split-stack and non-split-stack objects with -r.
4427 * i386.cc (Target_i386::relocate_section): Add
4428 reloc_symbol_changes parameter.
4429 (Target_i386::do_calls_non_split): New function.
4430 * x86_64.cc (Target_x86_64::relocate_section): Add
4431 reloc_symbol_changes parameter.
4432 (Target_x86_64::do_calls_non_split): New function.
4433 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
4435 * powerpc.cc (Target_powerpc::relocate_section): Add
4436 reloc_symbol_changes parameter.
4437 * sparc.cc (Target_sparc::relocate_section): Add
4438 reloc_symbol_changes parameter.
4439 * configure.ac: Call AM_CONDITIONAL for the default target.
4440 * configure: Rebuild.
4441 * testsuite/Makefile.am (TEST_AS): New variable.
4442 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
4443 (check_DATA): Add split_i386 and split_x86_64 files.
4444 (SPLIT_DEFSYMS): Define.
4445 (split_i386_[1234n].o): New targets.
4446 (split_i386_[124]): New targets.
4447 (split_i386_[1234r].stdout): New targets.
4448 (split_x86_64_[1234n].o): New targets.
4449 (split_x86_64_[124]): New targets.
4450 (split_x86_64_[1234r].stdout): New targets.
4451 (MOSTLYCLEANFILES): Add new executables.
4452 * testsuite/split_i386.sh: New file.
4453 * testsuite/split_x86_64.sh: New file.
4454 * testsuite/split_i386_1.s: New file.
4455 * testsuite/split_i386_2.s: New file.
4456 * testsuite/split_i386_3.s: New file.
4457 * testsuite/split_i386_4.s: New file.
4458 * testsuite/split_i386_n.s: New file.
4459 * testsuite/split_x86_64_1.s: New file.
4460 * testsuite/split_x86_64_2.s: New file.
4461 * testsuite/split_x86_64_3.s: New file.
4462 * testsuite/split_x86_64_4.s: New file.
4463 * testsuite/split_x86_64_n.s: New file.
4464 * testsuite/testfile.cc (Target_test): Update relocation_section
4466 * testsuite/Makefile.in: Rebuild.
4470 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
4471 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
4472 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
4473 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
4474 the address on ldo_addrs_.
4475 (Target_i386::Relocate::fix_up_ldo): New function.
4479 * plugin.cc (add_input_library): New.
4480 (Plugin::load): Add add_input_library to tv.
4481 (Plugin_manager::add_input_file): Add the is_lib argument.
4482 (add_input_file): Update call to Plugin_manager::add_input_file.
4483 (add_input_library): New.
4484 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
4488 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
4489 symbol and call Symbol::may_need_copy_reloc to determine if
4490 a copy reloc is needed.
4491 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
4492 nocopyreloc is given in command line.
4493 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
4494 given in command line.
4495 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
4496 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
4497 of the removed Target_i386::may_need_copy_reloc.
4498 * options.h (copyreloc): New option with default value false.
4499 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4500 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
4501 instead of the removed Target_powerpc::may_need_copy_reloc.
4502 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4503 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
4504 instead of the removed Target_sparc::may_need_copy_reloc.
4505 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
4506 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
4507 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
4508 instead of the removed Target_x86_64::may_need_copy_reloc.
4512 * object.h (class Object): Remove target_ field, and target,
4513 sized_target, and set_target methods.
4514 (Object::sized_target): Remove.
4515 (class Sized_relobj): Update declarations. Remove sized_target.
4516 * object.cc (Sized_relobj::setup): Remove target parameter.
4518 (Input_objects::add_object): Don't do anything with the target.
4519 (make_elf_sized_object): Add punconfigured parameter. Change all
4520 callers. Set or test parameter target.
4521 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
4523 * parameters.cc (Parameters::set_target): Change parameter type to
4525 (Parameters::default_target): Remove.
4526 (set_parameters_target): Change parameter type to be non-const.
4527 (parameters_force_valid_target): New function.
4528 (parameters_clear_target): New function.
4529 * parameters.h (class Parameters): Update declarations. Remove
4530 default_target method. Add sized_target and clear_target
4531 methods. Change target_ to be non-const.
4532 (set_parameters_target): Update declaration.
4533 (parameters_force_valid_target): Declare.
4534 (parameters_clear_target): Declare.
4535 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
4536 as NULL if we aren't searching.
4537 (Add_symbols::run): Don't check for compatible target.
4538 * fileread.cc (Input_file::open_binary): Call
4539 parameters_force_valid_target.
4540 * gold.cc (queue_middle_tasks): Likewise.
4541 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
4542 set_target on object.
4543 * dynobj.h (class Sized_dynobj): Update declarations.
4544 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
4545 make_elf_object returns NULL.
4546 (Archive::include_member): Don't check whether object target is
4548 * output.cc (Output_section::add_input_section): Get target from
4550 (Output_section::relax_input_section): Likewise.
4551 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
4553 (Sized_relobj::do_scan_relocs): Likewise.
4554 (Sized_relobj::relocate_sections): Likewise.
4555 * resolve.cc (Symbol_table::resolve): Likewise.
4556 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
4557 parameter. Change all callers.
4558 (Symbol_table::add_from_object): Get target from parameters.
4559 (Symbol_table::add_from_relobj): Don't check object target.
4560 (Symbol_table::add_from_dynobj): Likewise.
4561 (Symbol_table::define_special_symbol): Get target from
4563 * symtab.h (class Symbol_table): Update declaration.
4564 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
4565 parameter. Change all callers. Clear parameter target.
4566 (Binary_test): Test target here.
4567 * testsuite/object_unittest.cc (gold_testsuite): Remove
4568 target_test_pointer parameter. Change all callers.
4569 (Object_test): Test target here.
4573 * testsuite/initpri1.c: Don't try to use constructor priorities if
4574 compiling with gcc before 4.3.
4578 * testsuite/retain_symbols_file_test.sh (check_present): Change
4579 output file name to retain_symbols_file_test.stdout.
4580 (check_absent): Likewise.
4584 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4585 * options.cc: Include <cerrno> and <fstream>.
4586 (General_options::finalize): Parse -retain-symbols-file tag.
4587 * options.h: New flag.
4588 (General_options): New method should_retain_symbol, new
4589 variable symbols_to_retain.
4590 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4591 should_retain_symbol map.
4592 * testsuite/Makefile.am (retain_symbols_file_test): New test.
4593 * testsuite/Makefile.in: Regenerate.
4594 * testsuite/retain_symbols_file_test.sh: New file.
4598 * po/es.po: Updated Spanish translation.
4602 * debug.h (DEBUG_RELAXATION): New constant.
4603 (DEBUG_ALL): Add DEBUG_RELAXATION.
4604 (debug_string_to_enum): Add relaxation debug option.
4606 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4607 Layout::Relaxation_debug_check::read_sections,
4608 Layout::Relaxation_debug_check::read_sections): New method definitions.
4609 (Layout::Layout): Initialize data members
4610 record_output_section_data_from_scrips_,
4611 script_output_section_data_list_ and relaxation_debug_check_.
4612 (Layout::save_segments, Layout::restore_segments,
4613 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4614 Layout::relaxation_loop_body): New method definitions.
4615 (Layout::finalize): Support relaxation. Move section layout code to
4616 Layout::relaxation_loop_body.
4617 (Layout::set_asection_address_from_script): Move code for orphan
4618 section placement out.
4619 (Layout::place_orphan_sections_in_script): New method definition.
4620 * layout.h (Output_segment_headers, Output_file_header):
4621 New forward class declarations.
4622 (Layout::~Layout): Define.
4623 (Layout::new_output_section_data_from_script): New method definition.
4624 (Layout::place_orphan_sections_in_script): New method declaration.
4625 (Layout::Segment_states): New type declaration.
4626 (Layout::save_segments, Layout::restore_segments,
4627 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4628 Layout::relaxation_loop_body): New method declarations.
4629 (Layout::Output_section_data_list): New type declaration.
4630 (Layout::Relaxation_debug_check): New class definition.
4631 (Layout::record_output_section_data_from_script_,
4632 Layout::script_output_section_data_list_, Layout::segment_states_,
4633 Layout::relaxation_debug_check_): New data members.
4634 * output.cc: (Output_section_headers::do_size): New method definition.
4635 (Output_section_headers::Output_section_headers): Move size
4636 computation to Output_section_headers::do_size.
4637 (Output_segment_headers::do_size): New method definition.
4638 (Output_file_header::Output_file_header): Move size computation to
4639 Output_file_header::do_size and call it.
4640 (Output_file_header::do_size): New method definition.
4641 (Output_data_group::Output_data_group): Adjust call to
4642 Output_section_data.
4643 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4644 (Output_symtab_xindex::do_write): Add array bound check.
4645 (Output_section::Input_section::print_to_mapfile): Handle
4646 RELAXED_INPUT_SECTION_CODE.
4647 (Output_section::Output_section): Initialize data member checkpoint_.
4648 (Output_section::~Output_section): Delete checkpoint object pointed
4650 (Output_section::add_input_section): Always add an Input_section if
4652 (Output_section::add_merge_input_section): Add assert.
4653 (Output_section::relax_input_section): New method definition.
4654 (Output_section::set_final_data_size): Set load address to zero for
4655 an unallocated section.
4656 (Output_section::do_address_and_file_offset_have_reset_values):
4657 New method definition.
4658 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4659 Handle relaxed input section.
4660 (Output_section::sort_attached_input_sections): Checkpoint input
4661 section list lazily.
4662 (Output_section::get_input_sections): Change type of input_sections to
4663 list of Simple_input_section pointers. Checkpoint input section list
4664 lazily. Also handle relaxed input sections.
4665 (Output_section::add_input_section_for_script): Take a reference to
4666 a Simple_input_section object instead of Relobj pointer and section
4667 index as parameter. Handle relaxed input sections.
4668 (Output_section::save_states, Output_section::restore_states): New
4670 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4671 (Output_data::is_data_size_fixed): New method definition.
4672 (Output_data::reset_addresss_and_file_offset): Do not reset data size
4674 (Output_data::address_and_file_offset_have_reset_values): New method
4676 (Output_data::do_address_and_file_offset_have_reset_values): New method
4678 (Output_data::set_data_size): Check that data size is not fixed.
4679 (Output_data::fix_data_size): New method definition.
4680 (Output_data::is_data_size_fixed_): New data member.
4681 (Output_section_headers::set_final_data_size): New method definition.
4682 (Output_section_headers::do_size): New method declaration.
4683 (Output_segment_headers::set_final_data_size): New method definition.
4684 (Output_segment_headers::do_size): New method declaration.
4685 (Output_file_header::set_final_data_size)::New method definition.
4686 (Output_file_header::do_size)::New method declaration.
4687 (Output_section_data::Output_section_data): Add new parameter
4688 is_data_size_fixed and use it to fix data size.
4689 (Output_data_const::Output_data_const): Adjust call to base class
4690 constructor and fix data size.
4691 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4692 base class constructor and fix data size.
4693 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4694 base class constructor and fix data size.
4695 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4696 class constructor and fix data size.
4697 (Output_data_group::set_final_data_size): New method definition.
4698 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4699 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4700 class constructor and fix data size.
4701 (Output_relaxed_input_section): New class definition.
4702 (Output_section::Simple_input_section): New class definition.
4703 (Output_section::get_input_sections): Adjust parameter list.
4704 (Output_section::add_input_section_for_script): Same.
4705 (Output_section::save_states, Output_section::restore_states,
4706 Output_section::do_address_and_file_offset_have_reset_values,
4707 (Output_section::Input_section::Input_section): Handle
4708 RELAXED_INPUT_SECTION_CODE. Add new overload for
4709 Output_relaxed_input_section.
4710 (Output_section::Input_section::is_input_section,
4711 Output_section::Input_section::set_output_section): Handle relaxed
4713 (Output_section::Input_section::is_relaxed_input_section,
4714 Output_section::Input_section::output_section_data,
4715 Output_section::Input_section::relaxed_input_section): New method
4717 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4719 (Output_section::Input_section::u1_): Update comments.
4720 (Output_section::Input_section::u2_): Add new union member poris.
4721 (Output_section::Checkpoint_output_section): New classs definition.
4722 (Output_section::relax_input_section): New method declaration.
4723 (Output_section::checkpoint_): New data member.
4724 (Output_segment): Update comments.
4725 (Output_segment::Output_segment): Un-privatize copy constructor.
4726 (Output_segment::operator=): Un-privatize.
4727 * script-sections.cc (Output_section_element::Input_section_list):
4728 Change element type to Output_section::Simple_input_section.
4729 (Output_section_element_dot_assignment::set_section_addresses):
4730 Register output section data for relaxation clean up.
4731 (Output_data_exression::Output_data_expression): Adjust call to base
4732 constructor to fix data size.
4733 (Output_section_element_data::set_section_addresses): Register
4734 Output_data_expression object for relaxation clean up.
4735 (struct Input_section_info): Replace Relobj pointer and section index
4736 pair with Output_section::Simple_input_section and Convert struct to a
4738 (Input_section_sorter::operator()): Adjust access to
4739 Input_section_info data member to use accessors.
4740 (Output_section_element_input::set_section_addresses): Use layout
4741 parameter. Adjust code to use Output_section::Simple_input_section
4742 and Input_secction_info classes. Register filler for relaxation
4744 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4745 and section index pair with Output_section::Simple_input_section
4746 class. Adjust code accordingly.
4747 (Phdrs_element::release_segment): New method definition.
4748 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4750 (Script_sections::release_segments): New method definition.
4751 * gold/script-sections.h (Script_sections::release_segments): New
4753 * gold/target.h (Target::may_relax, Target::relax,
4754 Target::do_may_relax, Target::do_relax): New method definitions.
4758 * arm.cc (has_signed_unsigned_overflow): New function.
4759 (Arm_relocate_functions::abs8): New function.
4760 (Target_arm::Scan::local): Handle R_ARM_ABS8.
4761 (Target_arm::Scan::global): Likewise.
4762 (Target_arm::relocate::relocate): Likewise.
4763 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4768 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4769 * testsuite/Makefile.in: Regenerate.
4773 * po/gold.pot: Updated by the Translation project.
4777 * output.cc (Output_file::open): Add execute permission to empty file.
4778 * testsuite/Makefile.am (permission_test): New test.
4779 * testsuite/Makefile.in: Regenerate.
4783 * output.cc (Output_file::resize): Call map_no_anonymous rather
4788 * gold.cc: Include "incremental.h".
4789 (queue_initial_tasks): Call Incremental_checker methods.
4790 * incremental.cc: Include "output.h".
4791 (Incremental_checker::can_incrementally_link_output_file): New
4793 * incremental.h (Incremental_checker): New class.
4795 * output.cc (Output_file::open_for_modification): New method.
4796 (Output_file::map_anonymous): Changed return type to bool. Record
4798 (Output_file::map_no_anonymous): New method, broken out of map.
4799 (Output_file::map): Use map_no_anonymous and map_anonymous.
4800 * output.h (class Output_file): Update declarations.
4804 * options.h (Command_line::Pre_options): New class.
4805 (Command_line::pre_options): New member.
4806 * options.cc (gold::options::ready_to_register): New variable.
4807 (One_option::register_option): Do nothing if not registering options.
4808 Assert if same short option registered twice.
4809 (General_options::General_options): Turn off option registration when
4811 (Command_line::Pre_options::Pre_options): New constructor.
4815 * options.h (General_options::no_keep_memory): Remove incorrect
4820 * Makefile.am (am__skiplex, am__skipyacc): New.
4821 * Makefile.in: Regenerate.
4825 * Makefile.am (AM_CPPFLAGS): Renamed from ...
4826 (INCLUDES): ... this.
4827 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4828 (AM_CPPFLAGS): Renamed from ...
4829 (INCLUDE): ... this.
4830 * Makefile.in, testsuite/Makefile.in: Regenerate.
4832 * Makefile.in: Regenerate.
4833 * aclocal.m4: Likewise.
4834 * config.in: Likewise.
4835 * configure: Likewise.
4836 * testsuite/Makefile.in: Likewise.
4838 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4839 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4840 * Makefile.in: Regenerate.
4841 * testsuite/Makefile.in: Regenerate.
4845 * resolve.cc (Symbol_table::resolve): Don't complain about defined
4846 symbols in shared libraries overridden by hidden or internal symbols
4847 in the main program.
4851 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4852 checking source file names in error messages.
4856 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4857 an elcpp::Ehdr as parameter. Adjust call to set_target.
4858 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4859 an elfcpp::Ehdr as parameter.
4860 * object.cc (Object::set_target): Remove the version that looks up
4861 a target and sets it.
4862 (Sized_relobj::setup): Take a Target object instead of
4863 an elfcpp::Ehdr as parameter. Adjust call to set_target.
4864 (make_elf_sized_object): Find target and ask target to
4866 * object.h: (Object::set_target): Remove the version that looks up
4867 a target and sets it.
4868 (Sized_relobj::setup): Take a Target object instead of
4869 an elfcpp:Ehdr as parameter.
4870 * target.cc: Include dynobj.h.
4871 (Target::do_make_elf_object_implementation): New.
4872 (Target::do_make_elf_object): New.
4873 * target.h (Target::make_elf_object): New template declaration.
4874 (Target::do_make_elf_object): New method declarations.
4875 (Target::do_make_elf_object_implementation): New template declaration.
4879 * gold.h (FUNCTION_NAME): Define.
4880 (gold_unreachable): Use FUNCTION_NAME.
4884 * icf.cc (Icf::find_identical_sections): Issue a warning when a
4885 symbol in the --keep-unique list is not found.
4889 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4890 been maked as --keep-unique.
4891 (Icf::unfold_section): New function.
4892 * icf.h (Icf::unfold_section): New function.
4893 * options.h (General_options::keep_unique): New option.
4894 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4895 * testsuite/Makefile.in: Regenerate.
4896 * testsuite/icf_keep_unique_test.sh: New file.
4897 * testsuite/icf_keep_unique_test.cc: New file.
4902 * resolve.cc (Symbol_table::resolve): Check for references from
4903 dynamic objects to hidden and internal symbols.
4904 * testsuite/Makefile.am (hidden_test.sh): New test.
4905 * testsuite/Makefile.in: Regenerate.
4906 * testsuite/hidden_test.sh: New script.
4907 * testsuite/hidden_test_1.c: New test source.
4908 * testsuite/hidden_test_main.c: New test source.
4912 * arm.cc: Update comments.
4913 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4914 segment to locate the .ARM.exidx section if present.
4918 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4922 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4927 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4928 valid tls_segment only for non-debug-section relocations.
4929 * testsuite/Makefile.am: Add gc_tls_test.
4930 * testsuite/Makefile.in: Regenerate.
4931 * testsuite/gc_tls_test.cc: New file.
4932 * testsuite/gc_tls_test.sh: New file.
4938 * Makefile.am (CCFILES): Add icf.cc.
4940 * Makefile.in: Regenerate.
4941 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4942 * gc.h (gc_process_relocs): Populate lists used by icf to contain
4943 section, symbol and addend information for the relocs.
4944 * gold.cc (queue_middle_tasks): Call identical code folding.
4945 * gold.h: Add defines for multimap.
4946 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4947 to the call of finalize_local_symbols.
4948 * main.cc (main): Create object of class Icf.
4949 * object.cc (Sized_relobj::do_layout): Allow this function to be
4950 called twice during icf.
4951 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4952 to sections marked as identical by icf.
4953 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4955 (Sized_relobj::do_section_entsize): New function.
4956 * object.h (Object::section_entsize): New function.
4957 (Object::do_section_entsize): New pure virtual function.
4958 (Relobj::finalize_local_symbols): Add new parameter.
4959 (Relobj::do_section_entsize): New function.
4960 * options.h (General_options::icf): New option.
4961 (General_options::icf_iterations): New option.
4962 (General_options::print_icf_sections): New option.
4963 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4964 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4965 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4967 * symtab.cc (Symbol_table::is_section_folded): New function.
4968 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
4969 to sections marked as identical by icf.
4970 * symtab.h (Symbol_table::set_icf): New function.
4971 (Symbol_table::icf): New function.
4972 (Symbol_table::is_section_folded): New function.
4973 (Symbol_table::icf_): New data member.
4974 * target-reloc.h (relocate_section): Ignore sections folded by icf.
4975 * testsuite/Makefile.am: Add commands to build icf_test.
4976 * testsuite/Makefile.in: Regenerate.
4977 * testsuite/icf_test.sh: New file.
4978 * testsuite/icf_test.cc: New file.
4982 * layout.cc (is_compressible_debug_section): Fix incorrect
4983 comment about compressed section names.
4988 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4993 * layout.h: #include <map>.
4994 (class Kept_section): Change from struct to class. Add accessors
4995 and setters. Add section size to Comdat_group mapping. Change
4996 Comdat_group to std::map. Add is_comdat_ field. Add
4997 linkonce_size field in union.
4998 (class Layout): Update declaration of find_or_add_kept_section.
4999 Don't declare find_kept_object.
5000 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5001 parameter. Add object, shndx, is_comdat, and is_group_name
5002 parameters. Change all callers. Adjust for new Kept_section.
5003 (Layout::find_kept_object): Remove.
5004 * object.cc (Sized_relobj::include_section_group): Update use of
5005 Kept_section. Rename secnum to shndx. Only record
5006 Kept_comdat_section if sections are the same size.
5007 (Sized_relobj::include_linkonce_section): Update use of
5008 Kept_section. Only record Kept_comdat_section if sections are the
5009 same size. Set size of linkonce section.
5010 (Sized_relobj::map_to_kept_section): Update call to
5011 get_kept_comdat_section.
5012 * object.h (class Sized_relobj): Rename fields in
5013 Kept_comdat_section to drop trailing underscores; change object
5014 field to Relobj*. Change Kept_comdat_section_table to store
5015 struct rather than pointer.
5016 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5017 Add kept_object and kept_shndx parameters. Change all callers.
5018 (Sized_relobj::get_kept_comdat_section): Change return type to
5019 bool. Add kept_object and kept_shndx parameters. Change all
5021 * plugin.cc (Pluginobj::include_comdat_group): Update call to
5022 Layout::find_or_add_kept_section.
5026 * merge.cc (Object_merge_map::initialize_input_to_output_map):
5027 Reserve space in the hash table.
5031 * fileread.cc (File_read::get_mtime): New method.
5032 * fileread.h (Timespec): New structure.
5033 (File_read::get_mtime): New method.
5034 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5035 Renamed from timestamp_nsec.
5036 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5038 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5040 (Incremental_inputs::report_archive): Save mtime; style fix.
5041 (Incremental_inputs::report_obejct): Save mtime; style fix.
5042 (Incremental_inputs::report_script): Save mtime; style fix.
5043 (Incremental_inputs::finalize_inputs): Style fix.
5044 (Incremental_inputs::finalize): Style fix.
5045 (Incremental_inputs::create_input_section_data): Store inputs
5047 * incremental.h (Incremental_inputs::report_script): Add mtime
5049 (Incremental_inputs::Input_info::Input_info): Intialize only one
5051 (Incremental_inputs::Input_info::archive): Move to nameless
5053 (Incremental_inputs::Input_info::obejct): Move to nameless union.
5054 (Incremental_inputs::Input_info::script): Move to nameless union.
5055 (Incremental_inputs::mtime): New field.
5056 * script.cc (read_input_script): Pass file mtime to
5058 * script.h (Script_info::inputs): Style fix.
5062 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5068 * layout.cc (Layout::choose_output_section): If we find an
5069 existing section, update the flags.
5070 (Layout::create_notes): New function, broken out of
5072 (Layout::finalize): Don't create note sections.
5073 (Layout::create_note): Don't crash if linker script discards
5075 (Layout::create_gold_note): Likewise.
5076 (Layout::create_build_id): Likewise. Don't set
5077 after_input_sections on the section.
5078 (Layout::create_executable_stack_info): Remove target parameter.
5080 * layout.h (class Layout): Declare create_notes. Update
5081 declaration of create_executable_stack_info.
5082 * gold.cc (queue_middle_tasks): Call create_notes.
5083 * output.cc (Output_section::update_flags_for_input_section): Move
5084 here from output.h. If SHF_ALLOC flag is newly set, mark address
5086 * output.h (Output_data::mark_address_invalid): New function.
5087 (class Output_section): Only declare, not define,
5088 update_flags_for_input_section. Remove set_flags.
5092 * script-sections.cc (Output_section_definition::
5093 set_section_addresses): Rename shadowing local load_address to
5099 * reloc.cc (relocate_sections): Skip empty relocation sections.
5104 * layout.cc (Layout::create_note): Use choose_output_section
5105 rather than make_output_section.
5110 * options.cc (General_options::parse_V): Set printed_version_.
5111 (General_options::General_options): Initialize printed_version_.
5112 * options.h (class General_options): Add printed_version_ field.
5113 * gold.cc (queue_initial_tasks): If there are no input files,
5114 don't give a fatal error if we printed the version information.
5115 (queue_middle_tasks): If using -r with a shared object, give a
5116 fatal error rather than an ordinary error.
5121 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5122 (Layout::make_output_section): Set have_stabstr_section_ if we see
5123 a .stab*str section.
5124 (Layout::finalize): Call link_stabs_sections.
5125 (Layout::link_stabs_sections): New file.
5126 * layout.h (class Layout): Add have_stabstr_section_ field.
5127 Declare link_stabs_sections.
5131 * Makefile.am (libgold_a_LIBADD): New.
5132 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
5133 * Makefile.in: Regenerate.
5134 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
5135 * configure: Regenerate.
5136 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
5137 * fileread.cc: Include sys/state.h
5138 * gold.h: Declare memmem and strndup if found missing.
5139 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
5143 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
5144 * configure: Rebuild.
5149 * object.cc (Object::section_contents): Don't try to get a view if
5150 the section has length zero.
5151 (Object::handle_gnu_warning_section): If the section is empty, use
5152 the name of the section as the warning.
5157 * stringpool.h (class Stringpool_template): Add optimize_ field.
5158 (Stringpool_template::set_optimize): New function.
5159 * stringpool.cc (Stringpool_template::Stringpool_template):
5160 Initialize optimize_ field.
5161 (Stringpool_template::set_string_offsets): Test local optimize
5162 fild rather than parameter.
5163 * layout.cc (Layout::Layout): Call set_optimize on the section
5169 * yyscript.y: Parse TARGET.
5170 * script.cc (script_set_target): New function.
5171 * script-c.h (script_set_target): Declare.
5172 * options.cc (General_options::string_to_object_format): Rename
5173 from string_to_object_format in anonymous namespace. Change
5175 * options.h (class General_options): Declare
5176 string_to_object_format.
5180 * script-sections.cc (Script_sections::create_segments): Don't put
5181 program headers in a PT_LOAD segment if -n or -N.
5186 * options.h (class General_options): Add -z lazy and -z now. Sort
5187 -z options into alphabetical order.
5188 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
5192 * layout.cc (Layout::make_output_section): Call
5193 Target::new_output_section.
5194 (Layout::attach_allocated_section_to_segment): Put large section
5195 sections in a separate load segment with the large segment flag
5197 (Layout::segment_precedes): Sort large data segments after other
5199 (align_file_offset): New static function.
5200 (Layout::set_segment_offsets): Use align_file_offset.
5201 * output.h (class Output_section): Add is_small_section_ and
5202 is_large_section_ fields.
5203 (Output_section::is_small_section): New function.
5204 (Output_section::set_is_small_section): New function.
5205 (Output_section::is_large_section): New function.
5206 (Output_section::set_is_large_section): New function.
5207 (Output_section::is_large_data_section): New function.
5208 (class Output_segment): Add is_large_data_segment_ field.
5209 (Output_segment::is_large_data_segment): New function.
5210 (Output_segment::set_is_large_data_segment): New function.
5211 * output.cc (Output_section::Output_section): Initialize new
5213 (Output_segment::Output_segment): Likewise.
5214 (Output_segment::add_output_section): Add assertion that large
5215 data sections always go in large data segments. Force small data
5216 sections to the end of the list of data sections. Force small BSS
5217 sections to the start of the list of BSS sections. For large BSS
5218 sections to the end of the list of BSS sections.
5219 * symtab.h (class Symbol): Declare is_common_shndx.
5220 (Symbol::is_defined): Check Symbol::is_common_shndx.
5221 (Symbol::is_common): Likewise.
5222 (class Symbol_table): Define enum Commons_section_type. Update
5223 declarations. Add small_commons_ and large_commons_ fields.
5224 * symtab.cc (Symbol::is_common_shndx): New function.
5225 (Symbol_table::Symbol_table): Initialize new fields.
5226 (Symbol_table::add_from_object): Put small and large common
5227 symbols in the right list.
5228 (Symbol_table::sized_finalized_symbol): Check
5229 Symbol::is_common_shndx.
5230 (Symbol_table::sized_write_globals): Likewise.
5231 * common.cc (Symbol_table::do_allocate_commons): Allocate new
5232 common symbol lists. Don't call do_allocate_commons_list if the
5234 (Symbol_table::do_allocate_commons_list): Remove is_tls
5235 parameter. Add comons_section_type parameter. Change all
5236 callers. Handle small and large common symbols.
5237 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
5238 Symbol::is_common_shndx.
5239 * resolve.cc (symbol_to_bits): Likewise.
5240 * target.h (Target::small_common_shndx): New function.
5241 (Target::small_common_section_flags): New function.
5242 (Target::large_common_shndx): New function.
5243 (Target::large_common_section_flags): New function.
5244 (Target::new_output_section): New function.
5245 (Target::Target_info): Add small_common_shndx, large_common_shndx,
5246 small_common_section_flags, and large_common_section_flags
5248 (Target::do_new_output_section): New virtual function.
5249 * arm.cc (Target_arm::arm_info): Initialize new fields.
5250 * i386.cc (Target_i386::i386_info): Likewise.
5251 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5253 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
5254 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5255 (Target_x86_64::do_new_output_section): New function.
5256 * configure.ac: Define conditional MCMODEL_MEDIUM.
5257 * testsuite/Makefile.am (check_PROGRAMS): Add large.
5258 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
5259 (large_LDFLAGS): Define.
5260 * testsuite/large.c: New file.
5261 * testsuite/testfile.cc (Target_test::test_target_info):
5262 Initialize new fields.
5263 * configure, testsuite/Makefile.in: Rebuild.
5267 * Makefile.am (CCFILES): Add target.cc.
5268 * Makefile.in: Regenerate.
5269 * i386.cc (class Target_i386): Define new virtual method to
5270 override do_is_local_label_name in parent.
5271 * object.cc (Sized_relobj::do_count_local_symbols): Discard
5272 local symbols if --discard-locals or -X is given.
5273 * options.h (class General_options): Declare new options
5274 '--discard-locals' and '-X' for discarding locals.
5275 * target.h (class Target): Define new methods is_local_label_name.
5276 Declare new virtual method do_is_local_label_name.
5277 * target.cc: New file.
5278 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
5279 (check_SCRIPTS): Add discard_locals_test.sh.
5280 (check_DATA): Add discard_local_tests.syms.
5281 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
5282 (discard_local_tests.syms, discard_locals_test.o): New make rules.
5283 * testsuite/Makefile.in: Regenerate.
5284 * testsuite/discard_locals_test.c: New file.
5285 * testsuite/discard_locals_test.sh: Same.
5289 * object.cc (Sized_relobj::Sized_relobj): Initialize
5290 discarded_eh_frame_shndx_ to -1U.
5291 (Sized_relobj::do_layout): Record index of a discard .eh_frame
5293 (Sized_relobj::do_count_local_symbols): Skip local symbols in
5294 a discarded .eh_frame section.
5295 (Sized_relobj::do_finalize_local_symbols): Ditto.
5296 * object.h (class Sized_relobj): Declare new member
5297 discarded_eh_frame_shndx_.
5298 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
5299 (local_labels_test.o, local_labels_test): New rules.
5300 * testsuite/Makefile.in: Regenerate.
5304 * layout.cc (Layout::section_name_mapping): Add mapping for
5305 special ARM sections.
5309 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
5310 (utils::has_overflow): Same.
5314 * layout.cc (Layout::section_name_mapping): New array, replacing
5315 Layout::linkonce_mapping.
5316 (Layout::section_name_mapping_count): New variable, replacing
5317 Layout::linkonce_mapping_count.
5318 (Layout::linkonce_output_name): Remove.
5319 (Layout::output_section_name): Rewrite.
5320 * layout.h (class Layout): Rename Linkonce_mapping to
5321 Section_name_mapping, linkonce_mapping to section_name_mapping,
5322 linkonce_mapping_count to section_name_mapping_count. Don't
5323 declare linkonce_output_name.
5327 * gold/arm.cc (namespace utils): New.
5328 (Target_arm::reloc_is_non_pic): Define new method.
5329 (class Arm_relocate_functions): New.
5330 (Target_arm::Relocate::relocate): Handle relocation types used by
5335 * arm.cc (Target_arm::scan::global): Use || instead of |.
5339 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
5340 issued_non_pic_error_.
5341 (class Target_arm::Scan): Declare new method check_non_pic.
5342 Define new method symbol_needs_plt_entry.
5343 Declare new data member issued_non_pic_error_.
5344 (class Target_arm::Relocate): Declare new method
5345 should_apply_static_reloc.
5346 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
5347 (Target_arm::Scan::check_non_pic): Define new method.
5348 (Target_arm::Scan::local): Handle a small subset of reloc types used
5350 (Target_arm::Scan::local): Same.
5351 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
5355 * incremental.cc (Incremental_inputs::report_command_line): Filter
5356 out --incremental-* options.
5360 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
5362 (class Target_arm): Update comment.
5363 (Target_arm::Target_arm): Initialize new data members GOT_,
5364 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
5365 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
5366 and Target_arm::rel_dyn_section.
5367 Declare new_enum Target_arm::Got_type.
5368 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
5370 Update commments for member do_dynsym_value.
5371 (Target_arm::got_size, Target_arm::plt_section,
5372 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
5373 new methods inside class defintion.
5374 (Target_arm::got_section): Define new method.
5375 (Target_arm::rel_dyn_section): Same.
5376 (Output_data_plt_arm): New template class.
5377 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
5378 (Output_data_plt_arm:do_adjust_output_section): Define new method.
5379 (Output_data_plt_arm::add_entry): Same.
5380 (Output_data_plt_arm::first_plt_entry): Define new
5381 static data member for PLT instruction template.
5382 (Output_data_plt_arm::plt_entry): Same.
5383 (Output_data_plt_arm::do_write): Define new method.
5384 (Target_arm::make_plt_entry): Same.
5385 (Target_arm::do_finalize_sections): Same.
5386 (Target_arm::do_dynsym_value): Same.
5390 * Makefile.am (TARGETSOURCES): Add arm.cc.
5391 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
5392 * Makefile.in: Regenerate.
5394 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
5398 * options.cc (General_options::parse_exclude_libs). Fix a comment.
5399 (General_options::check_excluded_libs): Strip off directories in
5400 archive name before matching like GNU ld does.
5401 * testsuite/Makefile.am (MOSTLYCLEANFILES,
5402 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
5403 (exclude_libs_test_LDFLAGS): Add linker option
5404 -Wl,--exclude-libs,libexclude_libs_test_3
5405 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
5406 an explicit archive without using -l.
5407 (alt/libexclude_libs_test_3.a): New make rule.
5408 * testsuite/Makefile.in: Regenerate.
5409 * testsuite/exclude_libs_test.c : Declare lib3_default().
5411 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
5412 * exclude_libs_test_3.c: New file.
5416 * po/id.po: New Indonesian translation.
5417 * po/gold.pot: Updated template file.
5421 * testsuite/Makefile.am: Add -ffunction-sections to compile
5422 gc_comdat_test files. Add -Wl,--gc-sections to build
5424 * testsuite/Makefile.in: Regenerate.
5425 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
5429 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
5430 kept comdat section was garbage collected.
5431 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
5432 * testsuite/Makefile.in: Regenerate.
5433 * testsuite/gc_comdat_test.sh: New file.
5434 * testsuite/gc_comdat_test_1.cc: New file.
5435 * testsuite/gc_comdat_test_2.cc: New file.
5439 * archive.cc (Archive::Archive): Move constructor from archive.h
5440 to here. Initialize no_export_.
5441 (Archive::get_elf_object_for_member): Set no_export flag of object.
5442 * archive.h (Archive::Archive): Move constructor body to
5444 (Archive::no_export): New method.
5445 (Archive::no_export_): New field.
5446 * object.h (Object::Object): Initialize no_export_ to false.
5447 (Object::no_export, Object::set_no_export): New methods.
5448 (Object::no_export_): New field.
5449 * options.cc (General_options::parse_exclude_libs): New method.
5450 (General_options::check_excluded_libs) Same.
5451 * options.h (exclude_libs): New option.
5452 (General_options::check_excluded_libs): New method declaration.
5453 (General_options::excluded_libs_): New field.
5454 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
5455 default or protected visibility if an object has no-export flag set.
5456 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
5457 (check_SCRIPTS): Add exclude_libs_test.sh.
5458 (check_DATA): Add exclude_libs_test.syms.
5459 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
5460 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
5461 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
5462 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
5463 (exclude_libs_test.syms, libexclude_libs_test_1.a,
5464 libexclude_libs_test_2.a): New rules.
5465 * testsuite/Makefile.in: Regenerate.
5466 * testsuite/exclude_libs_test.c: New file.
5467 * testsuite/exclude_libs_test.sh: Ditto.
5468 * testsuite/exclude_libs_test_1.c: Ditto.
5469 * testsuite/exclude_libs_test_2.c: Ditto.
5473 * configure.ac: Check for declarations for cases where libiberty.h
5474 checks HAVE_DECL_xxx.
5475 * configure, config.in: Rebuild.
5479 * gold.h (Incremental_argument_list): Remove (invalid) forward
5481 * incremental.cc (Incremental_inputs::report_achive): New method.
5482 (Incremental_inputs::report_object): New method.
5483 (Incremental_inputs::report_script): New method.
5484 (Incremental_inputs::finalize_inputs): New method.
5485 (Incremental_inputs::finalize): Call finalize_inputs().
5486 (Incremental_inputs::sized_create_incremental_inputs_section_data):
5487 Create inputs entries.
5488 * incremental.h (Incremental_input_type): New enum.
5489 (Incremental_inputs::Incremental_input): Initialize new fields.
5490 (Incremental_inputs::report_inputs): New method.
5491 (Incremental_inputs::report_achive): New method.
5492 (Incremental_inputs::report_object): New method.
5493 (Incremental_inputs::report_script): New method.
5494 (Incremental_inputs::finalize_inputs): New method.
5495 (Incremental_inputs::Input_info): New struct.
5496 (Incremental_inputs::Input_info_map): New typedef.
5497 (Incremental_inputs::lock_): New field.
5498 (Incremental_inputs::Inputs_): New field.
5499 (Incremental_inputs::Inputs_map): New field.
5500 * main.cc (main): Call Incremental_input::report_inputs.
5501 * options.h (Input_argument_list): Typedef moved from
5503 (Input_file_group::Files): Remove, use ::Input_argument_list.
5504 (Input_file_group::Input_argument_list): Remove, use
5505 ::Input_argument_list.
5506 * plugin.cc (Plugin_manager::add_input_file): Add error in
5508 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
5510 * script.cc (read_input_script): Call
5511 Incremental_input::report_script.
5512 * script.h (Script_info): New class.
5516 * x86_64.cc (do_adjust_output_section): Set entsize to
5521 * output.cc (Output_file::close): After short writes, continue
5522 writing from the correct offset in the buffer being written.
5526 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
5527 * configure: Regenerate.
5528 * config.in: Regenerate.
5529 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
5530 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
5534 * incremental.cc (Incremental_inputs_header_data): Renamed from
5535 Incremental_input_header_data.
5536 (Incremental_inputs_header_data::data_size): New field.
5537 (Incremental_inputs_header_data::put_input_file_count): Renamed
5538 from input_file_count.
5539 (Incremental_inputs_header_data::put_command_line_offset): Renamed
5540 from command_line_offset.
5541 (Incremental_inputs_header_data::put_reserved): Renamed from
5543 (Incremental_inputs_entry_data): Renamed from
5544 Incremental_input_entry_data.
5545 (Incremental_inputs_entry_data::data_size): New field.
5546 (Incremental_inputs::report_command_line): New method.
5547 (Incremental_inputs::finalize): New method.
5548 (Incremental_inputs::create_incremental_inputs_data): New method.
5549 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
5550 * incremental.h: New file.
5551 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
5552 (Layout::finalize): Create incremental inputs section in
5554 (Layout::create_incremental_info_sections): New method.
5555 * layout.h (Layout::incremental_inputs): New method.
5556 (Layout::create_incremental_info_sections): New method.
5557 (Layout::incremental_inputs_): New field.
5558 * main.cc (main): Notify Incremental_input of the command line.
5563 * gold.h (reserve_unordered_map): Define, three versions, one for
5564 each version of Unordered_map.
5565 * layout.cc (Layout::Layout): Remove options parameter. Add
5566 number_of_input_files parameter. Don't initialize options_.
5567 Initialize number_of_input_files_ and resized_signatures_. Move
5568 sections_are_attached_.
5569 (Layout::layout_group): Reserve space for group_signatures_.
5570 (Layout::find_or_add_kept_section): Change name parameter to be a
5571 reference. Resize signatures_ map when it gets large enough.
5572 (Layout::layout_eh_frame): Use parameters->options() instead of
5574 (Layout::make_output_section): Likewise.
5575 (Layout::attach_allocated_section_to_segment): Likewise.
5576 (Layout::finalize, Layout::create_executable_stack): Likewise.
5577 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
5578 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
5579 * layout.h (class Layout): Update declarations. Remove options_
5580 field. Add number_of_input_files_ and resized_signatures_
5581 fields. Move sections_are_attached_ field.
5582 * main.cc (main): Pass number of input files to Layout
5583 constructor. Don't pass options.
5587 * ffsll.c (ffsll): Correct implementation.
5591 * ffsll.c: New file.
5592 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5593 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5594 * ftruncate.c (ftruncate): Declare before definition.
5595 * mremap.c (mremap): Likewise.
5596 * pread.c (pread): Likewise.
5597 * configure, Makefile.in, config.in: Rebuild.
5599 * mremap.c: New file.
5600 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5601 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5602 (mremap): Declare if HAVE_MREMAP is not defined.
5603 * configure, Makefile.in, config.in: Rebuild.
5607 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5608 position independent.
5609 * sparc.cc (Target_sparc::check_non_pic): Likewise.
5610 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5614 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5616 (needs_dynamic_reloc): Likewise.
5620 * yyscript.y (file_cmd): Recognize EXTERN.
5621 (extern_name_list, extern_name_list_body): New nonterminals.
5622 * script.cc (script_add_extern): Define.
5623 * script-c.h (script_add_extern): Declare.
5627 * object.cc (is_elf_object): Define.
5628 * object.h (is_elf_object): Declare.
5629 * archive.cc (Archive::get_elf_object_for_member): Call
5631 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
5635 * output.cc (Output_file::map_anonymous): Define.
5636 (Output_file::map): Use map_anonymous. If the regular mmap fails,
5637 try an anonymous one. Report the size if the mmap fails.
5638 * output.h (class Output_file): Declare map_anonymous.
5642 * target-select.cc (instantiate_target): Don't acquire the lock if
5643 the instantiated_target_ field has already been set.
5647 * gold-threads.h (class Initialize_lock): Define.
5648 * gold-threads.cc (class Initialize_lock_once): Define.
5649 (initialize_lock_control): New static variable.
5650 (initialize_lock_pointer): New static variable.
5651 (initialize_lock_once): New static function.
5652 (Initialize_lock::Initialize_lock): Define.
5653 (Initialize_lock::initialize): Define.
5654 * target-select.h: Include "gold-threads.h".
5655 (class Target_selector): Add lock_ and initialize_lock_ fields.
5656 Don't define instantiate_target, just declare it.
5657 * target-select.cc (Target_selector::Target_selector): Initialize
5659 (Target_selector::instantiate_target): Define.
5660 * descriptors.h: Include "gold-threads.h".
5661 (class Descriptors): Add initialize_lock_ field.
5662 * descriptors.cc (Descriptors::Descriptors): Initialize new
5664 (Descriptors::open): Use initialize_lock_ field
5665 * errors.h (class Errors): Add initialize_lock_ field.
5666 * errors.cc (Errors::Errors): Initialize new field.
5667 (Errors::initialize_lock): Use initialize_lock_ field.
5668 * powerpc.cc (class Target_selector_powerpc): Remove
5669 instantiated_target_ field. In do_recognize call
5670 instantiate_target rather than do_instantiate_target. In
5671 do_instantiate_target just allocate a new target.
5672 * sparc.cc (class Target_selector_sparc): Likewise.
5674 * freebsd.h: New file.
5675 * i386.cc: Include "freebsd.h".
5676 (Target_i386): Derive from Target_freebsd rather than
5678 (Target_selector_i386): Derive from Target_selector_freebsd rather
5679 than Target_selector.
5680 * x86_64.cc: Include "freebsd.h".
5681 (Target_x86_64): Derive from Target_freebsd rather than
5683 (Target_selector_x86_64): Derive from Target_selector_freebsd
5684 rather than Target_selector.
5685 * target.h (class Target): Add adjust_elf_header and
5686 do_adjust_elf_header.
5687 * output.cc (Output_file_header:: do_sized_write): Call target
5688 adjust_elf_header routine.
5689 * configure.tgt: Set targ_osabi.
5690 * configure.ac: Define GOLD_DEFAULT_OSABI.
5691 * parameters.cc (Parameters::default_target): Pass
5692 GOLD_DEFAULT_OSABI to select_target.
5693 * target-select.h (class Target_selector): Make instantiate_target
5694 protected rather than private.
5695 * Makefile.am (HFILES): Add freebsd.h.
5696 * configure, Makefile.in, config.in: Rebuild.
5698 * merge.cc (do_add_input_section): Correct pend value. Change
5699 message about last entry not being null terminated from error to
5704 * incremental.cc: New file.
5705 * Makefile.am (CCFILES): Add incremental.cc.
5706 * Makefile.in: Rebuild.
5710 * layout.cc (Layout::output_section_name): Preserve names
5711 of '.note.' sections.
5715 * descriptors.cc (Descriptors::open): Check that the options are
5716 valid before using them.
5720 * script-sections.h: Include <list>.
5721 (class Script_sections): Change Sections_elements from std::vector
5722 to std::list. Typedef public Elements_iterator. Add
5723 orphan_section_placement_, data_segment_align_start_, and
5724 saw_data_segment_align_ fields. Remove data_segment_align_index_
5726 * script-sections.cc (class Orphan_section_placement): New class.
5727 (class Sections_element): Add virtual functions is_relro and
5728 orphan_section_init. Remove virtual function place_orphan_here.
5729 (class Output_section_definition): Add is_relro and
5730 orphan_section_init. Remove place_orphan_here.
5731 (class Orphan_output_section): Likewise.
5732 (Script_sections::Script_sections): Update for field changes.
5733 (Script_sections::data_segment_align): Set saw_data_segment_align_
5734 and data_segment_align_start_, not data_segment_align_index.
5735 (Script_sections::data_segment_relro_end): Check
5736 saw_data_segment_align_. Use data_segment_align_start_ rather
5737 than data_segment_align_index_.
5738 (Script_sections::place_orphan): Rewrite to use
5739 Orphan_section_placement.
5743 * archive.cc (Archive::add_symbols): Check for a version attached
5744 to the symbol name in the archive map.
5745 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5746 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5747 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5748 (ver_test_11.a): New target.
5749 * testsuite/Makefile.in: Rebuild.
5751 * configure.ac: Check for chsize and posix_fallocate. Replace
5753 * ftruncate.c: New file, from gnulib.
5754 * output.cc (posix_fallocate): Define dummy version if not
5755 HAVE_POSIX_FALLOCATE.
5756 (Output_file::map): Call posix_fallocate rather than lseek and
5758 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5759 * configure, Makefile.in, config.in: Rebuild.
5763 * layout.h (Layout::create_note): Add section_name parameter.
5764 * layout.cc (Layout::create_note): Likewise.
5765 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5769 * descriptors.cc: Include "options.h".
5770 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5771 (Descriptors::open): Always use O_CLOEXEC when opening a new
5772 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
5773 then set FD_CLOEXEC.
5775 * sparc.cc (class Target_sparc): Add has_got_section.
5776 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5777 make sure we have a GOT section.
5779 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5780 (Target_sparc::Scan::local): Likewise.
5781 (Target_sparc::Scan::global): Likewise.
5782 (Target_sparc::Relocate::relocate): Likewise.
5783 (Target_sparc::Relocate::relocate_tls): Likewise.
5785 * symtab.cc (Symbol_table::define_default_version): New function,
5786 broken out of add_from_object.
5787 (Symbol_table::add_from_object): Call define_default_version.
5788 (Symbol_table::define_special_symbol): Add resolve_oldsym
5789 parameter. Change all callers. If the version for a symbol comes
5790 from a version script, resolve it with the symbol with the same
5791 name with no version. Also add the symbol without a version if
5793 (do_define_in_output_data): If resolving with oldsym, don't delete
5795 (do_define_in_output_segment): Likewise.
5796 (do_define_as_constant): Likewise.
5797 * symtab.h (class Symbol_table): Update declarations.
5801 * readsyms.cc (Read_symbols::incompatible_warning): New function.
5802 (Read_symbols::requeue): New function.
5803 (Read_symbols::do_read_symbols): If make_elf_object fails because
5804 the target type is not configured, and the file was searched for,
5805 issue a warning and retry with the next directory.
5806 (Add_symbols::run): If the file has an incompatible format, and
5807 it was searched for, requeue the Read_symbols task. On error,
5809 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
5810 dirindex parameter to constructor. Change all callers. Declare
5811 incompatible_warning and requeue.
5812 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5813 input_argument_ and input_group_ fields. Add them to
5814 constructor. Change all callers.
5815 (class Read_script): Add dirindex_ field. Add it to constructor.
5817 * archive.cc (Archive::setup): Remove input_objects parameter.
5819 (Archive::get_file_and_offset): Likewise.
5820 (Archive::read_all_symbols): Likewise.
5821 (Archive::read_symbols): Likewise.
5822 (Archive::get_elf_object_for_member): Remove input_objects
5823 parameter. Add punconfigured parameter. Change all callers.
5824 (Archive::add_symbols): Change return type to bool. Check return
5825 value of include_member.
5826 (Archive::include_all_members): Likewise.
5827 (Archive::include_member): Change return type to bool. Return
5828 false if first included object has incompatible target. Set
5829 included_member_ field.
5830 (Add_archive_symbols::run): If add_symbols returns false, requeue
5832 * archive.h (class Archive): Add included_member_ field.
5833 Initialize it in constructor. Add input_file and searched_for
5834 methods. Update declarations.
5835 (class Add_archive_symbols): Add dirpath_, dirindex_, and
5836 input_argument_ fields. Add them to constructor. Change all
5838 * script.cc: Include "target-select.h".
5839 (class Parser_closure): Add skip_on_incompatible_target_ and
5840 found_incompatible_target_ fields. Add
5841 skip_on_incompatible_target parameter to constructor. Change all
5842 callers. Add methods skip_on_incompatible_target,
5843 clear_skip_on_incompatible_target, found_incompatible_target, and
5844 set_found_incompatible_target.
5845 (read_input_script): Add dirindex parameter. Change all callers.
5846 If parser finds an incompatible target, requeue Read_symbols
5848 (script_set_symbol): Clear skip_on_incompatible_target in
5850 (script_add_assertion, script_parse_option): Likewise.
5851 (script_start_sections, script_add_phdr): Likewise.
5852 (script_check_output_format): New function.
5853 * script.h (read_input_script): Update declaration.
5854 * script-c.h (script_check_output_format): Declare.
5855 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5856 (ignore_cmd): Remove OUTPUT_FORMAT.
5857 * fileread.cc (Input_file::Input_file): Add explicit this.
5858 (Input_file::will_search_for): New function.
5859 (Input_file::open): Add pindex parameter. Change all callers.
5860 * fileread.h (class Input_file): Add input_file_argument method.
5861 Declare will_search_for. Update declarations.
5862 * object.cc (make_elf_object): Add punconfigured parameter.
5864 * object.h (class Object): Make input_file public. Add
5865 searched_for method.
5866 (make_elf_object): Update declaration.
5867 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
5869 * dirsearch.h (class Dirsearch): Update declaration.
5870 * options.h (class General_options): Add --warn-search-mismatch.
5871 * parameters.cc (Parameters::is_compatible_target): New function.
5872 * parameters.h (class Parameters): Declare is_compatible_target.
5873 * workqueue.cc (Workqueue::add_blocker): New function.
5874 * workqueue.h (class Workqueue): Declare add_blocker.
5876 * fileread.cc (Input_file::open): Remove options parameter.
5878 (Input_file::open_binary): Likewise.
5879 * script.cc (read_input_script): Likewise.
5880 * readsyms.h (class Read_symbols): Remove options_ field. Remove
5881 options parameter from constructor. Change all callers.
5882 (class Read_script): Likewise.
5883 * fileread.h (class Input_file): Update declarations.
5884 * script.h (read_input_script): Update declaration.
5888 * po/es.po: New Spanish translation.
5892 * options.cc (parse_short_option): Keep dash_z from registering itself.
5897 * target-reloc.h (relocate_section): Pass output_section to
5899 * i386.cc (Target_i386::should_apply_static_reloc): Add
5900 output_section parameter. Change all callers.
5901 (Target_i386::Relocate::relocate): Add output_section parameter.
5902 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5903 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5904 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5905 * testsuite/two_file_shared.sh: New script.
5906 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5907 (check_DATA): Add two_file_shared.dbg.
5908 (two_file_shared.dbg): New target.
5909 * testsuite/Makefile.in: Rebuild.
5913 * configure.ac: Check for byteswap.h.
5914 * configure: Rebuild.
5915 * config.in: Rebuild.
5919 * layout.cc (Layout::find_or_add_kept_section): New function.
5920 (Layout::add_comdat): Removed.
5921 * layout.h (struct Kept_section): Move out of class Layout.
5922 Remove trailing underscores from field names. Add group_sections
5923 field. Rename group_ field to is_group. Change all uses.
5924 (class Layout): Declare find_or_add_kept_section, not add_comdat.
5925 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5926 comdat_groups_ field.
5927 (Sized_relobj::include_section_group): Use
5928 find_or_add_kept_section and Kept_section::group_sections.
5929 (Sized_relobj::include_linkonce_section): Likewise.
5930 * object.cc (class Sized_relobj): Don't define Comdat_group or
5931 Comdat_group_table. Remove find_comdat_group and
5932 add_comdat_group. Remove comdat_groups_ field.
5933 * plugin.cc (include_comdat_group): Use
5934 Layout::find_or_add_kept_section.
5938 * README: --gc-sections and map files are now supported. Document
5939 some build requirements.
5942 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5943 relocatable link set the value of the section symbol to zero.
5944 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5945 relocatable link don't include the section address in the local
5951 * options.h (class Search_directory): Add is_system_directory.
5952 (class General_options): Declare is_in_system_directory.
5953 * options.cc (get_relative_sysroot): Make static.
5954 (get_default_sysroot): Make static.
5955 (General_optoins::is_in_system_directory): New function.
5956 * fileread.cc (Input_file::is_in_system_directory): New function.
5957 * fileread.h (class Input_file): Declare is_in_system_directory.
5958 * object.h (class Object): Add is_in_system_directory.
5959 (class Input_objects): Remove system_library_directory_ field.
5960 * object.cc (Input_objects::add_object): Don't set
5961 system_library_directory_.
5962 (input_objects::found_in_system_library_directory): Remove.
5963 * symtab.cc (Symbol_table::write_globals): Remove input_objects
5964 parameter. Change all callers.
5965 (Symbol_table::sized_write_globals): Likewise.
5966 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5967 Call Object::is_in_system_directory.
5968 * symtab.h (class Symbol_table): Update declarations.
5971 * descriptors.h (Open_descriptor): Add is_on_stack field.
5972 * descriptors.cc (Descriptors::open): If the descriptor is on the
5973 top of the stack, remove it. Initialize is_on_stack field.
5974 (Descriptors::release): Only add pod to stack if it is not on the
5976 (Descriptors::close_some_descriptor): Clear stack_next and
5980 * output.cc (Output_section::find_starting_output_address): Rename
5981 from starting_output_address; add PADDR parameter; change return
5983 * output.h (class Output_section): Declare
5984 find_starting_output_address instead of starting_output_address.
5985 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5986 section symbol for which we can't find a merge section.
5989 * symtab.cc (Symbol_table::add_from_object): If the visibility is
5990 hidden or internal, force the symbol to be local.
5991 * resolve.cc (Symbol::override_visibility): Define.
5992 (Symbol::override_base): Use override_visibility.
5993 (Symbol_table::resolve): Likewise.
5994 (Symbol::override_base_with_special): Likewise.
5995 (Symbol_table::override_with_special): If the visibility is hidden
5996 or internal, force the symbol to be local.
5997 * symtab.h (class Symbol): Add set_visibility and
5998 override_visibility.
5999 * testsuite/ver_test_1.sh: New file.
6000 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6001 (check_DATA): Add ver_test_1.syms.
6002 (ver_test_1.syms): New target.
6003 * testsuite/Makefile.in: Rebuild.
6007 * layout.cc (Layout::choose_output_section): Don't rename sections
6008 when using a linker script that has a SECTIONS clause.
6009 * Makefile.in: Regenerate.
6011 * testsuite/Makefile.am (script_test_5.sh): New test case.
6012 * testsuite/Makefile.in: Regenerate.
6013 * testsuite/script_test_5.cc: New file.
6014 * testsuite/script_test_5.sh: New file.
6015 * testsuite/script_test_5.t: New file.
6019 * archive.cc (Archive::include_member): Update calls to add_symbols.
6020 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6021 the Layout argument.
6022 * dynobj.h (do_add_symbols): Add the Layout argument.
6023 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6025 * object.h (Object::add_symbols): Add the Layout argument.
6026 (Object::do_add_symbols): Add the Layout argument.
6027 (Sized_relobj::do_add_symbols): Add the Layout argument.
6028 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6029 Unify the two versions.
6030 (Add_plugin_symbols): Remove.
6031 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6032 (Sized_pluginobj::do_add_symbols): Unify the two versions.
6033 (Add_plugin_symbols): Remove.
6034 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6035 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6036 (Add_symbols::run): Make it work with Pulginobj.
6040 * object.cc (Sized_relobj::do_layout): Make info message start
6041 with lower case letter.
6045 * binary.cc: Fix file comment.
6047 * options.h (enum Incremental_disposition): Define.
6048 (class General_options): Add new options: --incremental,
6049 --incremental_changed, --incremental_unchanged,
6050 --incremental_unknown. Add incremental_disposition_ and
6051 implicit_incremental_ fields.
6052 (General_options::incremental_disposition): New function.
6053 (class Position_dependent_options): Add incremental_disposition
6055 (Position_dependent_options::copy_from_options): Set incremental
6057 * options.cc (General_options::parse_incremental_changed): New
6059 (General_options::parse_incremental_unchanged): New function.
6060 (General_options::parse_incremental_unknown): New function.
6061 (General_options::General_options): Initialize new fields
6062 incremental_disposition_ and implicit_incremental_.
6063 (General_options::finalize): Check for uasge of --incremental-*
6064 without --incremental.
6068 * gold.h (gold_undefined_symbol): Change to take only a Symbol
6069 pointer and to report location as the file name associated with
6071 (gold_undefined_symbol_at_location): New function to replace the
6072 old gold_undefined_symbol functionality.
6073 * target-reloc.h (relocate_section): Update to use
6074 gold_undefined_symbol_at_location.
6075 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6076 Call gold_undefined_symbol function rather than gold_error.
6077 * errors.h (Errors::undefined_symbol): Take location as a
6078 string, rather than calculating it from a relocation.
6079 * errors.cc (Errors::fatal): Print "fatal error:" before the
6081 (Errors::error, Errors::error_at_location): Print "error: "
6082 before the formatted message.
6083 (Errors::undefined_symbol): Take location as a string, rather
6084 than calculating it from a relocation.
6085 (gold_undefined_symbol_at_location): New function akin to
6086 old gold_undefined_symbol, calculates location from relocation.
6087 (gold_undefined_symbol): Change to take only a Symbol pointer
6088 and to report location as the file name associated with the symbol.
6089 * testsuite/debug_msg.sh: Update for changed error messages.
6090 * testsuite/undef_symbol.sh: Likewise.
6095 * reduced_debug_output.h
6096 (Output_reduced_debug_abbrev_section::failed): Use format for
6098 (Output_reduced_debug_info_section::faild): Likewise.
6102 * script.cc (Lazy_demangler): New class.
6103 (Version_script_info::get_symbol_version_helper): Demangle a
6108 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6110 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6114 * version.cc (version_string): Bump to 1.9.
6116 * gold.h: Include <cstring> and <stdint.h>.
6117 * version.cc: Include <cstdio>.
6118 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6120 * reduced_debug_output.cc (insert_into_vector): Rename from
6121 Insert_into_vector; change all callers. Use Swap_unaligned to
6122 avoid aliasing issue; remove union since it is unnecessary.
6126 * Makefile.am (CCFILES): Add gc.cc.
6128 * Makefile.in: Regenerate.
6129 * gold.cc (Gc_runner): New class.
6130 (queue_initial_tasks): Call garbage collection related tasks
6131 when corresponding options are invoked.
6132 (queue_middle_gc_tasks): New function.
6133 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
6134 processed early before laying out sections during garbage collection.
6135 * gold.h (queue_middle_gc_tasks): New function.
6136 (is_prefix_of): Move from "layout.cc".
6137 * i386.cc (Target_i386::gc_process_relocs): New function.
6138 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
6139 * main.cc (main): Create object of class "Garbage_collection".
6140 * object.cc (Relobj::copy_symbols_data): New function.
6141 (Relobj::is_section_name_included): New function.
6142 (Sized_relobj::do_layout): Allow this function to be called twice
6143 during garbage collection and defer layout of section during the
6145 * object.h (Relobj::get_symbols_data): New function.
6146 (Relobj::is_section_name_included): New function.
6147 (Relobj::copy_symbols_data): New function.
6148 (Relobj::set_symbols_data): New function.
6149 (Relobj::get_relocs_data): New function.
6150 (Relobj::set_relocs_data): New function.
6151 (Relobj::is_output_section_offset_invalid): New pure virtual function.
6152 (Relobj::gc_process_relocs): New function.
6153 (Relobj::do_gc_process_relocs): New pure virtual function.
6154 (Relobj::sd_): New data member.
6155 (Sized_relobj::is_output_section_offset_invalid): New function.
6156 (Sized_relobj::do_gc_process_relocs): New function.
6157 * options.h (General_options::gc_sections): Modify to not be a no-op.
6158 (General_options::print_gc_sections): New option.
6159 * plugin.cc (Plugin_finish::run): Remove function call to
6160 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
6161 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
6162 * reloc.cc (Read_relocs::run): Add task to process relocs and
6163 determine unreferenced sections when doing garbage collection.
6164 (Gc_process_relocs): New class.
6165 (Sized_relobj::do_gc_process_relocs): New function.
6166 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
6167 sections that are garbage collected.
6168 * reloc.h (Gc_process_relocs): New class.
6169 * sparc.cc (Target_sparc::gc_process_relocs): New function.
6170 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6171 symbols whose corresponding sections are garbage collected.
6172 (Symbol_table::Symbol_table): Add new parameter for the garbage
6174 (Symbol_table::gc_mark_undef_symbols): New function.
6175 (Symbol_table::gc_mark_symbol_for_shlib): New function.
6176 (Symbol_table::gc_mark_dyn_syms): New function.
6177 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6179 (Symbol_table::add_from_object): Likewise.
6180 (Symbol_table::add_from_relobj): When building shared objects, do not
6181 treat externally visible symbols as garbage.
6182 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6183 table information for static and relocatable links.
6184 * symtab.h (Symbol_table::set_gc): New function.
6185 (Symbol_table::gc): New function.
6186 (Symbol_table::gc_mark_undef_symbols): New function.
6187 (Symbol_table::gc_mark_symbol_for_shlib): New function.
6188 (Symbol_table::gc_mark_dyn_syms): New function.
6189 (Symbol_table::gc_): New data member.
6190 * target.h (Sized_target::gc_process_relocs): New pure virtual
6192 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
6193 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
6197 * options.h (General_options::gc_sections): Define as a no-op for now.
6198 (General_options::no_keep_memory): Ditto.
6199 (General_options::Bshareable): Define.
6200 * options.cc (General_options::finalize): Honor -Bshareable.
6204 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
6205 read the value in the contents, since we don't use it. Use the
6206 template endianness when writing.
6207 (Relocate::relocate): Use it for R_PPC_REL16_HA.
6211 * configure.tgt (powerpc64-*): Fix targ_obj.
6215 * object.cc (Sized_relobj::write_local_symbols): Don't write out
6216 local symbols when stripping all symbols.
6220 * output.cc (Output_reloc): Add explicit instantiations.
6224 * archive.cc (Archive::get_elf_object_for_member): Remove call
6225 to File_read::claim_for_plugin.
6226 * descriptors.cc (Descriptors::open): Remove reference to
6228 (Descriptors::claim_for_plugin): Remove.
6229 * descriptors.h (Descriptors::claim_for_plugin): Remove.
6230 (Descriptors::is_claimed): Remove.
6231 (claim_descriptor_for_plugin): Remove.
6232 * fileread.cc (File_read::claim_for_plugin): Remove.
6233 * fileread.h (File_read::claim_for_plugin): Remove.
6234 (File_read::descriptor): Reopen descriptor if necessary.
6235 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
6236 (Plugin_manager::all_symbols_read): Add task parameter. Change
6238 (Plugin_manager::get_input_file): New function.
6239 (Plugin_manager::release_input_file): New function.
6240 (Pluginobj::Pluginobj): Add filesize parameter and initialize
6241 corresponding data member.
6242 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
6243 and pass to base constructor. Change all callers.
6244 (get_input_file, release_input_file): New functions.
6245 (make_sized_plugin_object): Add filesize parameter. Change all callers.
6246 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
6247 (Plugin_manager::all_symbols_read): Add task parameter.
6248 (Plugin_manager::get_input_file): New function.
6249 (Plugin_manager::release_input_file): New function.
6250 (Plugin_manager::task_): New data member.
6251 (Pluginobj::Pluginobj): Add filesize parameter.
6252 (Pluginobj::filename): New function.
6253 (Pluginobj::descriptor): New function.
6254 (Pluginobj::filesize): New function.
6255 (Pluginobj::filesize_): New data member.
6256 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
6257 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
6258 File_read::claim_for_plugin; use Object::unlock to unlock the file.
6260 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
6261 with archive libraries.
6262 * testsuite/Makefile.in: Regenerate.
6263 * testsuite/plugin_test.c (struct sym_info): New type.
6264 (get_input_file, release_input_file): New static variables.
6265 (onload): Capture new transfer vector entries.
6266 (claim_file_hook): Stop reading at end of file according to filesize.
6267 Factor out parsing of readelf output into separate function.
6268 (all_symbols_read_hook): Exercise get_input_file and release_input_file
6269 APIs and get the source file name from the symbol table. Convert
6270 source file name to corresponding object file name. Print info
6271 message when adding new input files.
6272 (parse_readelf_line): New function.
6273 * testsuite/plugin_test_1.sh: Add checks for new info messages.
6274 * testsuite/plugin_test_2.sh: Likewise.
6275 * testsuite/plugin_test_3.sh: Likewise.
6276 * testsuite/plugin_test_4.sh: New test case.
6280 * version.cc (version_string): Bump to 1.8.
6284 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
6285 * plugin.cc (Plugin_manager::finish): Rename as
6286 layout_deferred_objects. Move cleanup to separate function.
6287 (Plugin_manager::cleanup): New function.
6288 (Plugin_finish::run): Call layout_deferred_objects and cleanup
6290 * plugin.h (Plugin_manager::finish): Rename as
6291 layout_deferred_objects.
6292 (Plugin_manager::cleanup): New function.
6293 (Plugin_manager::cleanup_done): New field.
6297 * plugin.cc (is_visible_from_outside): New function.
6298 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
6299 so we don't return "IR only" status for exported symbols or -r links.
6301 * testsuite/Makefile.am (plugin_test_3): New test case.
6302 * testsuite/Makefile.in: Regenerate.
6303 * testsuite/plugin_test_3.sh: New file.
6307 * object.cc (Sized_relobj::layout_section): New function.
6308 (Sized_relobj::do_layout): Defer layout of input sections until after
6309 plugin has provided replacement files.
6310 (Sized_relobj::do_layout_deferred_sections): New function.
6311 * object.h (Relobj::set_section_offset): Remove virtual keyword.
6312 (Relobj::layout_deferred_sections): New function.
6313 (Relobj::do_layout_deferred_sections): New function.
6314 (Sized_relobj::do_layout_deferred_sections): New function.
6315 (Sized_relobj::layout_section): New function.
6316 (Sized_relobj::Deferred_layout): New structure.
6317 (Sized_relobj::deferred_layout_): New field.
6318 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
6319 Change all callers. Layout deferred sections.
6320 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
6322 (Plugin_hook::run): Move code from do_plugin_hook inline.
6323 (Plugin_hook::do_plugin_hook): Remove.
6324 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
6325 (Plugin_manager::finish): Renamed, was cleanup.
6326 (Plugin_manager::should_defer_layout): New function.
6327 (Plugin_manager::add_deferred_layout_object): New function.
6328 (Plugin_manager::Deferred_layout_list): New type.
6329 (Plugin_manager::deferred_layout_objects_): New field.
6330 (Plugin_hook::do_plugin_hook): Remove.
6334 * options.h (class General_options): Add --no case for
6339 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
6341 (Plugin_manager::claim_file): Create plugin object even if
6342 plugin did not call the add_symbols callback.
6343 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
6344 asking for more symbols than were added.
6345 * testsuite/Makefile.am (plugin_test_1): Add test case with
6347 (empty.syms): New target.
6348 * testsuite/Makefile.in: Regenerate.
6349 * testsuite/plugin_test.c (claim_file_hook): Add new debug
6350 message. Don't call add_symbols if no globals.
6351 (all_symbols_read_hook): Don't provide replacement for empty
6356 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
6357 r_type == 0 for a local symbol with r_sym == 0.
6358 (scan_relocatable_relocs): Pass r_sym to
6359 local_non_section_strategy.
6360 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
6363 * configure.ac: Update test for TLS descriptors: they are
6364 supported as of glibc 2.9.
6365 * configure: Rebuild.
6370 * target-reloc.h (Default_scan_relocatable_relocs): For each
6371 function, map r_type == 0 to RELOC_DISCARD.
6375 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
6376 object to override a kept COMDAT group from a plugin object.
6381 * yyscript.y (file_cmd): Handle INPUT.
6383 * testsuite/initpri1.c: Change all declarations to be full
6384 prototypes by adding void, to avoid compiler warnings.
6388 * options.cc (General_options::parse_plugin_opt): New.
6389 (General_options::add_plugin): The argument now is just the filename.
6390 (General_options::add_plugin_option): New.
6391 * options.h (plugin_opt): New.
6392 (add_plugin): Change argument name.
6393 (add_plugin_option): New.
6394 * plugin.cc (Plugin::load): Don't parse the plugin option.
6395 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
6396 (Plugin::add_option): New.
6397 (Plugin::args_): Change type.
6398 (Plugin::filename_): New.
6399 (Plugin_manager::add_plugin_option): New.
6400 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
6401 * testsuite/Makefile.in: Regenerate.
6405 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
6406 Handle --strip-lto-sections option.
6407 * options.h (strip_lto_sections): New option.
6411 * plugin.cc (ld_plugin_message): Change format parameter to const.
6412 Fix mismatch between new[] and delete.
6416 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
6421 * options.cc (General_options::parse_dynamic_list): New function.
6422 * options.h (General_options): New flags dynamic_list,
6423 dynamic_list_data, dynamic_list_cpp_new, and
6424 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
6425 (General_options::in_dynamic_list): New function.
6426 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
6427 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
6428 (Lex::can_continue_name): Likewise.
6430 (read_script_file): New parameter script_options.
6431 (read_dynamic_list): New function.
6432 (Script_options::define_dynamic_list): New function.
6433 (dynamic_list_keyword_parsecodes): New variable.
6434 (dynamic_list_keywords): New variable.
6435 * script.h (Script_options::define_dynamic_list): New function
6437 (read_dynamic_list): New function prototype.
6438 * symtab.cc (strprefix): New macro.
6439 (Symbol::should_add_dynsym_entry): Support dynamic_list,
6440 dynamic_list_data, dynamic_list_cpp_new, and
6441 dynamic_list_cpp_typeinfo.
6442 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
6443 (dynamic_list_expr): New rule.
6444 (dynamic_list_nodes): Likewise.
6445 (dynamic_list_node): Likewise.
6446 * testsuite/Makefile.am (dynamic_list): New test.
6447 * testsuite/Makefile.in: Regenerated.
6448 * testsuite/dynamic_list.t: New file.
6449 * testsuite/dynamic_list.sh: New file.
6453 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
6454 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
6455 (t11_last): Likewise.
6456 * testsuite/ver_test_6.c (main): Likewise.
6460 * options.c (General_options::finalize): Add check for -static and
6462 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
6467 * plugin.cc (make_sized_plugin_object): Fix conditional
6468 compilation to work when not all targets are enabled.
6472 * archive.cc (Archive::get_file_and_offset): Use filename instead
6473 of name to get library path.
6474 (Archive::include_member): Unlock external member of a thin archive.
6476 * testsuite/Makefile.am (TEST_AR): New variable.
6477 (thin_archive_test_1): New test.
6478 (thin_archive_test_2): New test.
6479 * testsuite/Makefile.in: Regenerate.
6480 * testsuite/thin_archive_main.cc: New file.
6481 * testsuite/thin_archive_test_1.cc: New file.
6482 * testsuite/thin_archive_test_2.cc: New file.
6483 * testsuite/thin_archive_test_3.cc: New file.
6484 * testsuite/thin_archive_test_4.cc: New file.
6488 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
6489 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
6491 (Sized_relobj::do_finalize_local_symbols): Likewise.
6492 (Sized_relobj::map_to_kept_section): Likewise.
6493 * object.h (Sized_relobj::invalid_address): New constant.
6494 (Sized_relobj::do_output_section_offset): Check for invalid_address
6496 * output.cc (Output_reloc::local_section_offset): Use constant
6497 invalid_address instead of -1U.
6498 (Output_reloc::get_address): Likewise.
6499 (Output_section::output_address): Change -1U to -1ULL.
6500 * output.h (Output_reloc::invalid_address): New constant.
6501 * reloc.cc (Sized_relobj::write_sections): Use constant
6502 invalid_address instead of -1U.
6503 (Sized_relobj::relocate_sections): Likewise.
6504 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
6505 values for merge sections.
6506 * target-reloc.h (relocate_for_relocatable): Use constant
6507 invalid_address instead of -1U.
6511 Add plugin functionality for link-time optimization (LTO).
6512 * configure.ac (plugins): Add --enable-plugins option.
6513 * configure: Regenerate.
6514 * config.in: Regenerate.
6515 * Makefile.am (LIBDL): New variable.
6516 (CCFILES): Add plugin.cc.
6517 (HFILES): Add plugin.h.
6518 (ldadd_var): Add LIBDL.
6519 * Makefile.in: Regenerate.
6521 * archive.cc: Include "plugin.h".
6522 (Archive::setup): Don't preread archive symbols when using a plugin.
6523 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
6524 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
6526 (Archive::include_member): Add symbols from plugin objects.
6527 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
6528 * descriptors.cc (Descriptors::open): Check for file descriptors
6529 abandoned by plugins.
6530 (Descriptors::claim_for_plugin): New function.
6531 * descriptors.h (Descriptors::claim_for_plugin): New function.
6532 (Open_descriptor::is_claimed): New field.
6533 (claim_descriptor_for_plugin): New function.
6534 * fileread.cc (File_read::claim_for_plugin): New function.
6535 * fileread.h (File_read::claim_for_plugin): New function.
6536 (File_read::descriptor): New function.
6537 * gold.cc: Include "plugin.h".
6538 (queue_initial_tasks): Add task to call plugin hooks for generating
6540 * main.cc: Include "plugin.h".
6541 (main): Load plugin libraries.
6542 * object.h (Pluginobj): Declare.
6543 (Object::pluginobj): New function.
6544 (Object::do_pluginobj): New function.
6545 (Object::set_target): New function.
6546 * options.cc: Include "plugin.h".
6547 (General_options::parse_plugin): New function.
6548 (General_options::General_options): Initialize plugins_ field.
6549 (General_options::add_plugin): New function.
6550 * options.h (Plugin_manager): Declare.
6551 (General_options): Add --plugin option.
6552 (General_options::has_plugins): New function.
6553 (General_options::plugins): New function.
6554 (General_options::add_plugin): New function.
6555 (General_options::plugins_): New field.
6556 * plugin.cc: New file.
6557 * plugin.h: New file.
6558 * readsyms.cc: Include "plugin.h".
6559 (Read_symbols::do_read_symbols): Check for archive before checking
6560 for ELF file. Call plugin hooks to claim files.
6561 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
6562 from a real object file; force override when processing replacement
6564 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
6565 (Symbol::init_base_object): Likewise.
6566 (Symbol::init_base_output_data): Likewise.
6567 (Symbol::init_base_output_segment): Likewise.
6568 (Symbol::init_base_constant): Likewise.
6569 (Symbol::init_base_undefined): Likewise.
6570 (Symbol::output_section): Assert that object is not a plugin.
6571 (Symbol_table::add_from_pluginobj): New function.
6572 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
6574 (Symbol_table::sized_write_globals): Likewise.
6575 (Symbol_table::add_from_pluginobj): Instantiate template.
6576 * symtab.h (Sized_pluginobj): Declare.
6577 (Symbol::in_real_elf): New function.
6578 (Symbol::set_in_real_elf): New function.
6579 (Symbol::in_real_elf_): New field.
6580 (Symbol_table::add_from_pluginobj): New function.
6582 * testsuite/Makefile.am (AM_CFLAGS): New variable.
6583 (LIBDL): New variable.
6585 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6586 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6587 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6588 (MOSTLYCLEANFILES): Likewise.
6589 * testsuite/Makefile.in: Regenerate.
6590 * testsuite/plugin_test.c: New file.
6591 * testsuite/plugin_test_1.sh: New file.
6592 * testsuite/plugin_test_2.sh: New file.
6596 * target-reloc.h (relocate_section): Check whether a symbol is
6597 defined by the ABI before reporting an undefined symbol error.
6598 * target.h (Target::is_defined_by_abi): Make parameter const.
6599 (Target::do_is_defined_by_abi): Likewise.
6600 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6601 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6602 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6603 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6604 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6605 * testsuite/Makefile.in: Rebuild.
6607 * fileread.cc (make_view): Add casts to avoid warning.
6611 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6612 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6616 * options.h (General_options::output_is_executable): New.
6617 (General_options::output_is_pie): New.
6618 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6619 for shared libraries.
6620 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6624 * options.h (origin): New -z option.
6625 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6626 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6631 * fileread.cc (File_read::make_view): Add check for attempt to map
6636 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6637 explicit instantiations.
6642 * options.cc (General_options::finalize): Allow undefined symbols
6643 in shlibs if linking -shared.
6646 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6647 symbols as not needing a dynsym entry.
6651 * fileread.cc (File_read::open): Do not lock the file unless it
6652 was successfully opened.
6656 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6657 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6658 * testsuite/tls_test.cc (struct int128): 128-bit struct
6659 for testing TLS relocs with non-zero addend.
6660 (v12): New TLS variable.
6662 (t_last): Add check for v12.
6663 * testsuite/tls_test.h (t12): New function.
6664 * testsuite/tls_test_main.cc (thread_routine): Call new test.
6668 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6669 set tls_segment_ or relro_segment_.
6670 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6672 * output.h (Output_section::clear_is_relro): New function.
6673 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6674 sections specially even when output_data_ is empty.
6675 (Output_segment::maximum_alignment): When first section is relro,
6676 only force alignment for PT_LOAD segments.
6677 * script.cc (script_data_segment_align): New function.
6678 (script_data_segment_relro_end): New function.
6679 * script-c.h (script_data_segment_align): Declare.
6680 (script_data_segment_relro_end): Declare.
6681 * script-sections.h (class Script_sections): Declare
6682 data_segment_align and data_segment_relro_end. Add fields
6683 segment_align_index_ and saw_relro_end_.
6684 * script-sections.cc (class Sections_element): Add set_is_relro
6685 virtual function. Add new bool* parameter to place_orphan_here.
6686 Add get_output_section virtual function.
6687 (class Output_section_definition): Add set_is_relro. Add new
6688 bool* parameter to place_orphan_here. Add get_output_section.
6689 Add is_relro_ field.
6690 (Output_section_definition::Output_section_definition): Initialize
6691 evaluated_address_, evaluated_load_address, evaluated_addralign_,
6692 and is_relro_ fields.
6693 (Output_section_definition::place_orphan_here): Add is_relro
6695 (Output_section_definition::set_section_addresses): Set relro for
6697 (Output_section_definition::alternate_constraint): Likewise.
6698 (class Orphan_output_section): Add new bool* parameter to
6699 place_orphan_here. Add get_output_section.
6700 (Orphan_output_section::place_orphan_here): Add is_relro
6702 (Script_sections::Script_sections): Initialize
6703 data_segment_align_index_ and saw_relro_end_.
6704 (Script_sections::data_segment_align): New function.
6705 (Script_sections::data_segment_relro_end): New function.
6706 (Script_sections::place_orphan): Set or clear is_relro.
6707 (Script_sections::set_section_addresses): Force alignment of first
6709 * yyscript.y (exp): Call script_data_segment_align and
6710 script_data_segment_relro_end.
6711 * testsuite/relro_script_test.t: New file.
6712 * testsuite/relro_test.cc (using_script): Declare.
6713 (t1, t2): Test using_script.
6714 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6715 (relro_script_test_SOURCES): Define.
6716 (relro_script_test_DEPENDENCIES): Define.
6717 (relro_script_test_LDFLAGS): Define.
6718 (relro_script_test_LDADD): Define.
6719 (relro_script_test.so): New target.
6720 * testsuite/Makefile.in: Rebuild.
6724 * archive.cc (Archive::total_archives, Archive::total_members)
6725 (Archive::total_members_loaded): New variables.
6726 (Archive::setup): Add parameter. Add option to preread
6728 (Archive::read_armap): Add counter.
6729 (Archive::get_file_and_offset): New function.
6730 (Archive::get_elf_object_for_member): New function.
6731 (Archive::read_all_symbols): New function.
6732 (Archive::read_symbols): New function.
6733 (Archive::add_symbols): Add counters.
6734 (Archive::include_all_members): Use armap to find members if it's
6736 (Archive::include_member): Skip reading symbols if already read.
6737 Factored code into Archive::get_file_and_offset and
6738 Archive::get_elf_object_for_member. Changed call to
6739 Mapfile::report_include_archive_member.
6740 (Archive::print_stats): New function.
6741 * archive.h: Declare Object and Read_symbols_data classes.
6742 (Archive::Archive): Add initializers for new members.
6743 (Archive::setup): Add parameter.
6744 (Archive::print_stats): New function.
6745 (Archive::total_archives, Archive::total_members)
6746 (Archive::total_members_loaded): New variables.
6747 (Archive::get_file_and_offset): New function.
6748 (Archive::get_elf_object_for_member): New function.
6749 (Archive::read_all_symbols): New function.
6750 (Archive::read_symbols): New function.
6751 (Archive::Archive_member): New class.
6752 (Archive::members_): New member.
6753 (Archive::num_members_): New member.
6754 * main.cc: Include archive.h.
6755 (main): Call Archive::print_stats.
6756 * mapfile.cc (Mapfile::report_include_archive_member): Delete
6757 archive parameter; member_name is now the fully-decorated name.
6758 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6759 * options.h: (General_options): Add --preread-archive-symbols option.
6760 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6765 * symtab.h (Symbol::use_plt_offset): New function.
6766 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6767 * powerpc.cc (Relocate::relocate): Likewise.
6768 * sparc.cc (Relocate::relocate): Likewise.
6769 * x86_64.cc (Relocate::relocate): Likewise.
6770 * testsuite/weak_plt.sh: New test.
6771 * testsuite/weak_plt_main.cc: New test.
6772 * testsuite/weak_plt_shared.cc: New test.
6773 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6774 (check_PROGRAMS): Add weak_plt.
6775 (check_DATA): Add weak_plt_shared.so.
6776 (weak_plt_main_pic.o, weak_plt): New targets.
6777 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6778 * testsuite/Makefile.in: Rebuild.
6780 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6782 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6783 * testsuite/Makefile.in: Rebuild.
6787 * Makefile.am (POTFILES.in): Set LC_ALL=C.
6788 * Makefile.in: Regenerate.
6789 * po/POTFILES.in: Regenerate.
6793 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6794 symbols before other symbols.
6795 * testsuite/script_test_2.cc (test_addr): Declare.
6796 (test_addr_alias): Declare.
6797 (main): Check that test_addr and test_addr_alias have the right
6799 * testsuite/script_test_2.t: Define test_addr_alias and
6805 * descriptors.cc: New file.
6806 * descriptors.h: New file.
6807 * gold-threads.h (class Hold_optional_lock): New class.
6808 * fileread.cc: Include "descriptors.h".
6809 (File_read::~File_read): Release descriptor rather than closing
6811 (File_read::open) [file]: Call open_descriptor rather than open.
6812 Set is_descriptor_opened_.
6813 (File_read::open) [memory]: Assert that descriptor is not open.
6814 (File_read::reopen_descriptor): New function.
6815 (File_read::release): Release descriptor.
6816 (File_read::do_read): Make non-const. Reopen descriptor.
6817 (File_read::read): Make non-const.
6818 (File_read::make_view): Reopen descriptor.
6819 (File_read::do_readv): Likewise.
6820 * fileread.h (class File_read): Add is_descriptor_opened_ field.
6821 Update declarations.
6822 * layout.cc: Include "descriptors.h".
6823 (Layout::create_build_id): Use open_descriptor rather than open.
6824 * output.cc: Include "descriptors.h".
6825 (Output_file::open): Use open_descriptor rather than open.
6826 * archive.cc (Archive::const_iterator): Change Archive to be
6828 (Archive::begin, Archive::end): Make non-const.
6829 (Archive::count_members): Likewise.
6830 * archive.h (class Archive): Update declarations.
6831 * object.h (Object::read): Make non-const.
6832 * Makefile.am (CCFILES): Add descriptors.cc.
6833 (HFILES): Add descriptors.h.
6834 * Makefile.in: Rebuild.
6837 * gold.h: Always include <clocale>. Add Solaris workarounds
6838 following code in binutils/sysdep.h.
6841 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6842 this->eh_frame_hdr_ is NULL before using it.
6844 * dynobj.cc (Versions::Versions): Update comment.
6846 * dynobj.cc (Versions::Versions): If there is an soname, use it as
6847 the base version name.
6849 * stringpool.cc (Stringpool_template::add_with_length): Set key to
6850 array size plus one.
6851 (Stringpool_template::set_string_offsets): Subtract one from key
6852 before using it as an array index.
6853 (Stringpool_template::get_offset_with_length): Likewise.
6854 (Stringpool_template::write_to_buffer): Likewise.
6855 * stringpool.h (Stringpool_template::get_offset_from_key):
6861 * object.h (Merged_symbol_value::value): Do our best to handle a
6865 * script.cc (Version_script_info::get_versions): Don't add empty
6866 version tag to return value.
6867 (Version_script_info::get_symbol_version_helper): Change return
6868 type to bool. Add pversion parameter. Change all callers.
6869 (script_register_vers_node): Don't require a non-NULL tag.
6870 * script.h (class Version_script_info): Update declarations.
6871 (Version_script_info::get_symbol_version): Change return type to
6872 bool. Add version parameter. Change all callers.
6873 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6874 handling. Handle an empty version from a version script.
6875 (Symbol_table::define_special_symbol): Likewise.
6876 * testsuite/ver_test_10.script: New file.
6877 * testsuite/ver_test_10.sh: New file.
6878 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6879 (check_DATA): Add ver_test_10.syms.
6880 (ver_test_10.syms, ver_test_10.so): New target.
6881 * testsuite/Makefile.in: Rebuild.
6885 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6886 to zero for undefined symbols from dynamic libraries.
6890 * symtab.cc (Symbol_table::resolve): Remove version parameter.
6892 * symtab.h (class Symbol_table): Update declaration.
6893 * testsuite/ver_test_9.cc: New file.
6894 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6895 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6896 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6897 (ver_test_9.so, ver_test_9.o): New targets.
6898 * testsuite/Makefile.in: Rebuild.
6902 * options.h (class General_options): Define --check-sections.
6903 * layout.cc (Layout::set_segment_offsets): Handle
6906 * options.h (class General_options): Define -n/--nmagic and
6908 * options.cc (General_options::finalize): For -n/--nmagic or
6909 -N/--omagic, set -static.
6910 * layout.cc (Layout::attach_allocated_section_to_segment): If
6911 -N/--omagic, don't put read-only and read-write sections in
6913 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6914 finding a read-only segment.
6915 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6916 don't set the minimum segment alignment to the common page size,
6917 and don't set the file offset to the address modulo the page size.
6918 * script-sections.cc (Script_sections::create_segments): If
6919 -n/--omagic, don't put read-only and read-write sections in
6922 * cref.cc: New file.
6924 * options.h (class General_options): Add --print-symbol-counts.
6925 * main.cc (main): Issue defined symbol report if requested.
6926 * archive.cc (Archive::interpret_header): Make into a const member
6928 (Archive::add_symbols): Call Input_objects::archive_start and
6930 (Archive::const_iterator): Define new class.
6931 (Archive::begin, Archive::end): New functions.
6932 (Archive::include_all_members): Rewrite to use iterator.
6933 (Archive::count_members): New function.
6934 * archive.h (class Archive): Update declarations.
6935 (Archive::filename): New function.
6936 * object.cc: Include "cref.h".
6937 (Sized_relobj::Sized_relobj): Initialize defined_count_.
6938 (Sized_relobj::do_get_global_symbol_counts): New function.
6939 (Input_objects::add_object): Add object to cross-referencer.
6940 (Input_objects::archive_start): New function.
6941 (Input_objects::archive_stop): New function.
6942 (Input_objects::print_symbol_counts): New function.
6943 * object.h: Declare Cref and Archive.
6944 (Object::get_global_symbol_counts): New function.
6945 (Object::do_get_global_symbol_counts): New pure virtual function.
6946 (class Sized_relobj): Add defined_count_ field. Update
6948 (class Input_objects): Add cref_ field. Update constructor.
6949 Update declarations.
6950 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6952 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6954 (Sized_dynobj::do_get_global_symbol_counts): New function.
6955 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6956 defined_count_. Update declarations. Define Symbols typedef.
6957 * symtab.cc (Symbol_table::add_from_relobj): Add defined
6958 parameter. Change all callers.
6959 (Symbol_table::add_from_dynobj): Add sympointers and defined
6960 parameters. Change all callers.
6961 * symtab.h (class Symbol_table): Update declarations.
6962 * Makefile.am (CCFILES): Add cref.cc.
6963 (HFILES): Add cref.h.
6964 * Makefile.in: Rebuild.
6968 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6969 to zero when writing undefined symbols.
6973 * output.cc (Output_section::add_input_section): Don't try to
6974 merge empty merge sections.
6978 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6979 Include symbol version in error message.
6983 * configure.ac (gold_cv_c_random_seed): New configured variable.
6984 (RANDOM_SEED_CFLAGS): New substituted variable.
6985 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6986 * configure: Rebuild.
6987 * Makefile.in: Likewise.
6988 * testsuite/Makefile.in: Likewise.
6992 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6993 where we see NAME/NULL and NAME/VERSION as separate symbols.
6994 * testsuite/ver_test_main.cc (main): Call t4.
6995 (t4, t4_2a): Define.
6996 * testsuite/ver_test_2.cc (t4_2): Define.
6997 * testsuite/ver_test_2.script: Put t4_2a in VER2.
6998 * testsuite/ver_test_4.cc (t4_2a): Define.
6999 * testsuite/ver_test_4.script: Put t4_2a in VER2.
7000 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7004 * dynobj.cc (Versions::add_def): If we give an error about a
7005 missing version, go ahead and create the version anyhow.
7009 Handle output sections with more than 0x7fffffff bytes.
7010 * object.h (class Relobj): Change map_to_output_ to
7011 output_sections_, and just keep a section pointer. Change all
7012 uses. Move comdat group support to Sized_relobj.
7013 (Relobj::is_section_specially_mapped): Remove.
7014 (Relobj::output_section): Remove poff parameter. Change all
7016 (Relobj::output_section_offset): New function.
7017 (Relobj::set_section_offset): Rewrite.
7018 (Relobj::map_to_output): Remove.
7019 (Relobj::output_sections): New function.
7020 (Relobj::do_output_section_offset): New pure virtual function.
7021 (Relobj::do_set_section_offset): Likewise.
7022 (class Sized_relobj): Add section_offsets_ field. Add comdat
7023 group support from Relobj. Update declarations.
7024 (Sized_relobj::get_output_section_offset): New function.
7025 (Sized_relobj::do_output_section_offset): New function.
7026 (Sized_relobj::do_set_section_offset): New function.
7027 * object.cc (Relobj::output_section_address): Remove.
7028 (Sized_relobj::Sized_relobj): Initialize new fields.
7029 (Sized_relobj::include_section_group): Cast find_kept_object to
7031 (Sized_relobj::include_linkonce_section): Likewise.
7032 (Sized_relobj::do_layout): Use separate arrays for output section
7034 (Sized_relobj::do_count_local_symbols): Change map_to_output to
7036 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7037 output_sections and section_offsets.
7038 (Sized_relobj::write_local_symbols): Likewise.
7039 (map_to_kept_section): Compute output address directly.
7040 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7041 output_sections and section_offsets.
7042 (Sized_relobj::write_sections): Likewise.
7043 (Sized_relobj::relocate_sections): Likewise.
7044 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7045 * output.h (class Output_reloc): Update declarations. Change
7046 u2_.relobj to Sized_relobj*.
7047 (class Output_data_reloc): Change add functions to use
7049 * output.cc (Output_reloc::Output_reloc): Change relobj to
7051 (Output_reloc::local_section_offset): Change return type to
7052 Elf_Addr. Use get_output_section_offset.
7053 (Output_reloc::get_address): Likewise.
7054 (Output_section::is_input_address_mapped): Don't call
7055 is_section_specially_mapped.
7056 (Output_section::output_offset): Likewise.
7057 (Output_section::output_address): Likewise.
7058 (Output_section::starting_output_address): Likewise.
7059 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7060 parameter to Sized_relobj*.
7061 (Copy_relocs::need_copy_reloc): Likewise.
7062 (Copy_relocs::save): Likewise.
7063 * copy-relocs.h (class Copy_relocs): Update declarations.
7064 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7065 Sized_relobj*. Change relobj_ field to Sized_relobj*.
7066 * target-reloc.h (relocate_for_relocatable): Change
7067 offset_in_output_section type to Elf_Addr. Change code that uses
7069 * layout.cc (Layout::layout): Always set *off.
7070 * mapfile.cc (Mapfile::print_input_section): Use
7071 output_section_offset.
7072 * i386.cc (Target_i386::copy_reloc): Change object parameter to
7074 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7075 * sparc.cc (Target_sparc::copy_reloc): Likewise.
7076 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7080 * layout.cc (Layout::include_section): Do not discard unrecognized
7081 SHT_STRTAB sections.
7085 * script.cc (Lex::can_continue_name): Make '?' allowable in
7086 version-script names.
7087 * testsuite/version_script.map: Change glob pattern to use '?'
7092 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7099 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7100 versions]: Don't try to read the value in the contents, since we
7101 don't use it. Use the template endianness when writing.
7105 * fileread.cc (File_read::make_view): Assert on zero-length view.
7106 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7107 symbol table when there are no symbols to read.
7111 * version.cc (version_string): Bump to 1.7
7115 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7116 constant 0xFFFF to type Valtype.
7117 (Powerpc_relocate_functions::rel16_ha): Likewise.
7121 * output.h (Output_section::Input_section): Initialize p2align_ to
7122 zero for Output_section_data constructors.
7123 (Output_section::Input_section::addralign): If not an input
7124 section, return the alignment of the Output_section_data.
7125 * testsuite/copy_test.cc: New file.
7126 * testsuite/copy_test_1.cc: New file.
7127 * testsuite/copy_test_2.cc: New file.
7128 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
7129 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
7130 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
7131 (copy_test_1_pic.o, copy_test_1.so): New targets.
7132 (copy_test_2_pic.o, copy_test_2.so): New targets.
7133 * testsuite/Makefile.in: Rebuild.
7135 * script-sections.cc (Script_sections::place_orphan): Initialize
7136 local variable exact.
7140 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
7145 * powerpc.cc: New file.
7146 * Makefile.am (TARGETSOURCES): Add powerpc.cc
7147 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
7148 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
7149 * Makefile.in: Rebuild.
7153 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
7155 (throwing, orig_terminate): New static variables.
7156 (terminate_handler): New static function.
7157 (t2): Set terminate handler.
7162 * binary.cc (Binary_to_elf::sized_convert): Fix .data
7167 * archive.cc (Archive::include_all_members) Correct to step
7168 over symbol table and extended name table in thin archives.
7173 * target-reloc.h (relocate_for_relocatable): Fix new_offset
7178 * reduced_debug_output.cc: New file.
7179 * reduced_debug_output.h: New file.
7180 * options.h (class General_options): Add --strip-debug-non-line.
7181 * options.cc (General_options::finalize): Add strip_debug_non_line
7182 to the strip heirarchy.
7183 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7185 * layout.cc: Include "reduced_debug_output.h".
7186 (Layout::Layout): Initialize new fields.
7187 (line_only_debug_sections): New static array.
7188 (is_lines_only_debug_sections): New static inline function.
7189 (Layout::include_section): Handle --strip-debug-non-line.
7190 (Layout::make_output_section): If --strip-debug-non-line, build
7191 new output sections for .debug_abbrev and .debug_info.
7192 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
7193 gold. Warn about possible overflow.
7194 (read_signed_LEB_128): Likewise.
7195 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
7196 (read_signed_LEB_128): Declare.
7197 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
7198 (HFILES): Add reduced_debug_output.h.
7199 * Makefile.in: Rebuild.
7203 * mapfile.cc: New file.
7204 * mapfile.h: New file.
7205 * options.h (class General_options): Add -M/--print-map and -Map.
7206 * options.cc (General_options::finalize): Make -M equivalent to
7208 * main.cc: Include <cstdio> and "mapfile.h".
7209 (main): Open mapfile if requested.
7210 * gold.cc (class Middle_runner): Add mapfile_ field. Update
7211 constructor. Change caller.
7212 (queue_initial_tasks): Add mapfile parameter. Change caller.
7213 (queue_middle_tasks): Likewise.
7214 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
7216 * archive.cc: Include "mapfile.h".
7217 (Archive::add_symbols): Add mapfile parameter. Change all
7218 callers. Pass mapfile, symbol, and reason to include_member.
7219 (Archive::include_all_members): Add mapfile parameter. Change all
7221 (Archive::include_member): Add mapfile, sym, and why parameters.
7222 Change all callers. Report inclusion to map file.
7223 * archive.h: Include "fileread.h".
7224 (class Archive): Update declarations.
7225 (Archive::file): New const method.
7226 (class Add_archive_symbols): Add mapfile_ field. Update
7227 constructor. Change all callers.
7228 * readsyms.h (class Read_symbols): Likewise.
7229 (class Finish_group): Likewise.
7230 (class Read_script): Likewise.
7231 * common.cc: Include "mapfile.h".
7232 (Symbol_table::allocate_commons): Add mapfile parameter. Change
7234 (Symbol_table::do_allocate_commons): Likewise.
7235 (Symbol_table::do_allocate_commons_list): Likewise. Report common
7236 symbol allocation to mapfile.
7237 * common.h (class Allocate_commons_task): Add mapfile_ field.
7238 Update constructor. Change all callers.
7239 * symtab.h (class Symbol_table): Update declarations.
7240 * layout.cc: Include "mapfile.h".
7241 (Layout_task_runner::run): Print information to mapfile.
7242 (Layout::create_gold_note): Change Output_data_fixed_space to
7243 Output_data_zero_fill.
7244 (Layout::create_build_id): Likewise.
7245 (Layout::print_to_mapfile): New function.
7246 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
7247 constructor. Change caller.
7248 (class Layout): Declare print_to_mapfile.
7249 * output.cc (Output_section::Input_section::print_to_mapfile): New
7251 (Output_section::add_input_section): If producing a map, always
7252 add to input_sections_ list.
7253 (Output_section::do_print_to_mapfile): New function.
7254 (Output_segment::print_sections_to_mapfile): New function.
7255 (Output_segment::print_section_list_to_mapfile): New function.
7256 * output.h: Include "mapfile.h".
7257 (Output_data::print_to_mapfile): New function.
7258 (Output_data::do_print_to_mapfile): New virtual function.
7259 (Output_segment_headers::do_print_to_mapfile): New function.
7260 (Output_file_header::do_print_to_mapfile): New function.
7261 (Output_data_const::do_print_to_mapfile): New function.
7262 (class Output_data_const_buffer): Add map_name_ field. Update
7263 constructor. Change all callers. Add do_print_to_mapfile
7265 (class Output_data_fixed_space): Likewise.
7266 (class Output_data_space): Likewise.
7267 (class Output_data_zero_fill): New class.
7268 (Output_data_strtab::do_print_to_mapfile): New function.
7269 (Output_data_reloc_base::do_print_to_mapfile): New function.
7270 (Output_relocatable_relocs::do_print_to_mapfile): New function.
7271 (Output_data_group::do_print_to_mapfile): New function.
7272 (Output_data_got::do_print_to_mapfile): New function.
7273 (Output_data_dynamic::do_print_to_mapfile): New function.
7274 (Output_symtab_xindex::do_print_to_mapfile): New function.
7275 (class Output_section): Declare do_print_to_mapflie. Declare
7276 print_to_mapfile in Input_section.
7277 (class Output_segment): Declare new functions.
7278 * object.h (Sized_relobj::symbol_count): New function.
7279 * script-sections.cc
7280 (Output_section_element_dot_assignment::set_section_addresses):
7281 Change Output_data_fixed_space to Output_data_zero_fill.
7282 (Output_data_expression::do_print_to_mapfile): New function.
7283 * script.cc (read_input_script): Add mapfile parameter. Change
7285 * script.h (read_input_script): Update declaration.
7286 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
7287 (Eh_frame::do_print_to_mapfile): New function.
7288 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
7289 (Output_merge_string::do_print_to_mapfile): New function.
7290 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
7292 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
7294 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
7296 * Makefile.am (CCFILES): Add mapfile.cc.
7297 (HFILES): Add mapfile.h.
7298 * Makefile.in: Rebuild.
7302 * options.h (class General_options): Add -z relro.
7303 * layout.cc (Layout::Layout): Initialize relro_segment_.
7304 (Layout::add_output_section_data): Return the output section.
7305 (Layout::make_output_section): Rcognize relro sections and mark
7307 (Layout::attach_allocated_section_to_segment): Put relro sections
7308 in a PT_GNU_RELRO segment.
7309 (Layout::create_initial_dynamic_sections): Mark the .dynamic
7311 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
7313 (Layout::linkonce_mapping): Map d.rel.ro.local to
7315 (Layout::output_section_name): Us .data.rel.ro.local for any
7316 section which begins with that.
7317 * layout.h (class Layout): Update add_output_section_data
7318 declaration. Add relro_segment_ field.
7319 * output.cc (Output_section::Output_section): Initialize is_relro_
7320 and is_relro_local_ fields.
7321 (Output_segment::add_output_section): Group relro sections.
7322 (Output_segment::is_first_section_relro): New function.
7323 (Output_segment::maximum_alignment): If there is a relro section,
7324 align the segment to the common page size.
7325 (Output_segment::set_section_addresses): Track whether we are
7326 looking at relro sections. If the last section is a relro
7327 section, align to the common page size.
7328 (Output_segment::set_section_list_addresses): Add in_relro
7329 parameter. Change all callers. Align to the page size when
7330 moving from relro to non-relro section.
7331 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
7333 * output.h (class Output_section): Add is_relro_ and
7334 is_relro_local_ fields.
7335 (Output_section::is_relro): New function.
7336 (Output_section::set_is_relro): New function.
7337 (Output_section::is_relro_local): New function.
7338 (Output_section::set_is_relro_local): New function.
7339 (class Output_segment): Update declarations.
7340 * i386.cc (Target_i386::got_section): Mark .got section as relro.
7341 * sparc.cc (Target_sparc::got_section): Likewise.
7342 * x86_64.cc (Target_x86_64::got_section): Likewise.
7343 * testsuite/relro_test_main.cc: New file.
7344 * testsuite/relro_test.cc: New file.
7345 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
7346 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
7347 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
7348 (relro_test.so, relro_test_pic.o): New targets.
7349 * testsuite/Makefile.in: Rebuild.
7353 * output.cc (Output_segment::add_output_section): Remove front
7355 * output.h (class Output_segment): Remove
7356 add_initial_output_section and overloaded add_output_section.
7357 Update declaration of remaining add_output_section.
7358 * layout.cc (Layout::create_interp): Call add_output_section
7359 rather than add_initial_output_section.
7360 (Layout::finish_dynamic_section): Likewise.
7362 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
7363 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
7364 know the dynamic type.
7365 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
7366 field. Initialize it in constructor.
7367 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
7368 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
7369 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
7372 * output.cc (Output_reloc::get_address): Change return type to
7374 * output.h (class Output_reloc): Update get_address declaration.
7375 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
7376 for section addresses.
7381 * gold.cc (gold_nomem): Use return value of write.
7385 * symtab.c (Symbol::init_base_output_data): Add version
7386 parameter. Change all callers.
7387 (Symbol::init_base_output_segment): Likewise.
7388 (Symbol::init_base_constant): Likewise.
7389 (Symbol::init_base_undefined): Likewise.
7390 (Sized_symbol::init_output_data): Likewise.
7391 (Sized_symbol::init_output_segment): Likewise.
7392 (Sized_symbol::init_constant): Likewise.
7393 (Sized_symbol::init_undefined): Likewise.
7394 (Symbol_table::do_define_in_output_data): If the new symbol has a
7395 version, mark it as the default.
7396 (Symbol_table::do_define_in_output_segment): Likewise.
7397 (Symbol_table::do_define_as_constant): Likewise.
7398 * symtab.h (class Symbol): Update declarations.
7399 (class Sized_symbol): Likewise.
7400 * resolve.cc (Symbol::override_version): New function.
7401 (Symbol::override_base): Call override_version.
7402 (Symbol::override_base_with_special): Likewise.
7403 * testsuite/ver_script_8.script: New file.
7404 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
7405 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
7406 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
7407 (ver_test_8_1.so, ver_test_8_2.so): New targets.
7412 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
7414 (class General_options): Remove existing --undefined, and add
7415 --no-undefined instead. Add new --undefined as synonym for -u.
7416 * archive.cc (Archive::add_symbols): Check whether symbol was
7418 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
7419 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
7420 all uses. Add IS_UNDEFINED. Update declarations to split
7421 different versions of init_base. Declare init_base_undefined.
7422 (Symbol::is_defined): Handle IS_UNDEFINED.
7423 (Symbol::is_undefined): Likewise.
7424 (Symbol::is_weak_undefined): Call is_undefined.
7425 (Symbol::is_absolute): Handle IS_CONSTANT.
7426 (class Sized_symbol): Update declarations to split different
7427 versions of init. Declare init_undefined.
7428 (class Symbol_table): Declare new functions.
7429 * symtab.cc (Symbol::init_base_object): Rename from init_base.
7431 (Symbol::init_base_output_data): Likewise.
7432 (Symbol::init_base_output_segment): Likewise.
7433 (Symbol::init_base_constant): Likewise.
7434 (Symbol::init_base_undefined): New function.
7435 (Sized_symbol::init_object): Rename from init. Change all
7437 (Sized_symbol::init_output_data): Likewise.
7438 (Sized_symbol::init_output_segment): Likewise.
7439 (Sized_symbol::init_constant): Likewise.
7440 (Sized_symbol::init_undefined): New function.
7441 (Symbol_table::add_undefined_symbols_from_command_line): New
7443 (Symbol_table::do_add_undefined_symbols_from_command_line): New
7445 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
7446 (Symbol::output_section): Likewise.
7447 (Symbol::set_output_section): Likewise.
7448 (Symbol_table::sized_finalize_symbol): Likewise.
7449 (Symbol_table::sized_write_globals): Likewise.
7450 * resolve.cc (Symbol_table::should_override): Likewise.
7451 (Symbol::override_base_with_special): Likewise.
7453 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
7454 symbol, change it to have default visibility.
7455 * testsuite/protected_1.cc: New file.
7456 * testsuite/protected_2.cc: New file.
7457 * testsuite/protected_3.cc: New file.
7458 * testsuite/protected_main_1.cc: New file.
7459 * testsuite/protected_main_2.cc: New file.
7460 * testsuite/protected_main_3.cc: New file.
7461 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
7462 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
7463 (protected_1_LDFLAGS, protected_1_LDADD): Define.
7464 (protected_1.so): New target.
7465 (protected_1_pic.o, protected_2_pic.o): New targets.
7466 (protected_3_pic.o): New target.
7467 (check_PROGRAMS): Add protected_2.
7468 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
7469 (protected_2_LDFLAGS, protected_2_LDADD): Define.
7470 * testsuite/Makefile.in: Rebuild.
7472 * options.h (DEFINE_var): Add set_user_set_##varname__.
7473 (DEFINE_bool_alias): New macro.
7474 (class General_options): Define -Bstatic using DEFINE_bool_alias
7475 rather than DEFINE_special. Add --undefined as an alias for -z
7477 * options.cc (General_options::parse_Bstatic): Remove.
7479 * options.h (class General_options): Add --fatal-warnings.
7480 * main.cc (main): Implement --fatal-warnings.
7481 * errors.h (Errors::warning_count): New function.
7483 * options.h (class General_options): Add -Bsymbolic-functions.
7484 * symtab.h (Symbol::is_preemptible): Check for
7485 -Bsymbolic-functions.
7489 * options.h (DEFINE_bool): For DASH_Z, create the negative option
7490 as noVARNAME rather than no-VARNAME.
7491 (class General_options): Add option -z combreloc.
7492 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
7494 (Output_reloc::sort_before) [SHT_REL]: New function.
7495 (Output_reloc::sort_before) [SHT_RELA]: New function.
7496 (class Output_data_reloc_base): Add sort_relocs_ field. Define
7497 Sort_relocs_comparison.
7498 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
7499 parameter. Change all callers.
7500 (Output_data_reloc::Output_data_reloc) [both versions]: Add
7501 sort_relocs parameter. Change all callers.
7502 * output.cc (Output_reloc::get_address): New function, broken out
7504 (Output_reloc::write_rel): Call it.
7505 (Output_reloc::compare): New function.
7506 (Output_data_reloc_base::do_write): Optionally sort relocs.
7508 * configure.ac: If targ_extra_obj is set, link it in.
7509 * configure.tgt: Initialize all variables.
7510 (x86_64*): Set targ_extra_obj and targ_extra_size.
7511 * configure: Rebuild.
7513 * object.cc (Sized_relobj::include_section_group): Adjust section
7514 indexes read from group data. Build vector to pass to
7516 * layout.cc (Layout::layout_group): Add flags and shndxes
7517 parameters. Remove contents parameter. Change caller. Update
7518 explicit instantiations.
7519 * layout.h (class Layout): Update layout_group declaration.
7520 * output.cc (Output_data_group::Output_data_group): Add flags and
7521 input_shndxes parameters. Remove contents parameter. Change
7523 (Output_data_group::do_write): Change input_sections_ to
7525 * output.h (class Output_data_group): Update constructor
7526 declaration. Rename input_sections_ to input_shndxes_.
7527 * testsuite/many_sections_test.cc: Add template.
7531 * target-reloc.h (relocate_section): Fix dead-pointer bug.
7533 * layout.cc (Layout::include_section): Refactored check for debug
7535 (Layout::add_comdat): Add new parameters. Change type
7536 of signature parameter. Add object and shndx to signatures table.
7537 (Layout::find_kept_object): New function.
7538 * layout.h: Include <cstring>.
7539 (Layout::is_debug_info_section): New function.
7540 (Layout::add_comdat): Add new parameters.
7541 (Layout::find_kept_object): New function.
7542 (Layout::Kept_section): New struct.
7543 (Layout::Signatures): Change type of map range.
7544 * object.cc (Relobj::output_section_address): New function.
7545 (Sized_relobj::include_section_group): Add new parameters. Change
7546 calls to Layout::add_comdat. Change to build table of kept comdat
7547 groups and table mapping discarded sections to kept sections.
7548 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
7549 (Sized_relobj::do_layout): Change calls to include_section_group and
7550 include_linkonce_section.
7551 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
7552 value to zero when section is discarded.
7553 (Sized_relobj::map_to_kept_section): New function.
7554 * object.h (Relobj::output_section_address): New function.
7555 (Relobj::Comdat_group): New type.
7556 (Relobj::find_comdat_group): New function.
7557 (Relobj::Comdat_group_table): New type.
7558 (Relobj::Kept_comdat_section): New type.
7559 (Relobj::Kept_comdat_section_table): New type.
7560 (Relobj::add_comdat_group): New function.
7561 (Relobj::set_kept_comdat_section): New function.
7562 (Relobj::get_kept_comdat_section): New function.
7563 (Relobj::comdat_groups_): New field.
7564 (Relobj::kept_comdat_sections_): New field.
7565 (Symbol_value::input_value): Update comment.
7566 (Sized_relobj::map_to_kept_section) New function.
7567 (Sized_relobj::include_linkonce_section): Add new parameter.
7568 * target-reloc.h (Comdat_behavior): New type.
7569 (get_comdat_behavior): New function.
7570 (relocate_section): Add code to map a discarded section to the
7571 corresponding kept section when applying a relocation.
7575 * dwarf_reader.cc (next_generation_count): New static var.
7576 (Addr2line_cache_entry): New struct.
7577 (addr2line_cache): New static var.
7578 (Dwarf_line_info::one_addr2line): Added caching.
7579 (Dwarf_line_info::clear_addr2line_cache): New function.
7580 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
7581 cache-size parameter.
7582 (Dwarf_line_info::one_addr2line_cache): New function.
7583 * symtab.cc (Symbol_table::detect_odr_violations): Pass
7584 new cache-size argument to one_addr2line(), and clear cache.
7588 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7589 R_386_PC8 relocations.
7593 * object.cc (Sized_relobj::include_section_group): Check for
7594 invalid section group.
7596 * object.cc (make_elf_object): Correct test for 64-bit ELF file
7599 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7600 than read for file header.
7601 * archive.cc (Archive::include_member): Likewise.
7605 * aclocal.m4: Regenerate.
7606 * configure: Regenerate.
7610 * version.cc (version_string): Bump to 1.6.
7612 * testsuite/Makefile.am (many_sections_r_test): New target.
7613 (many_sections_r_test_SOURCES): Remove.
7614 (many_sections_r_test_DEPENDENCIES): Remove.
7615 (many_sections_r_test_LDFLAGS): Remove.
7616 (many_sections_r_test_LDADD): Remove.
7618 * object.cc (Sized_relobj::do_add_symbols): Always pass
7619 local_symbol_count_ to add_from_relobj.
7621 * testsuite/Makefile.am (many_sections_check.h): Only check one in
7622 every thousand variables.
7623 * testsuite/Makefile.in: Rebuild.
7625 * object.cc (Xindex::initialize_symtab_xindex): New function.
7626 (Xindex::read_symtab_xindex): New function.
7627 (Xindex::sym_xindex_to_shndx): New function.
7628 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7630 (Sized_relobj::do_initialize_xindex): New function.
7631 (Sized_relobj::do_read_symbols): Adjust section links.
7632 (Sized_relobj::symbol_section_and_value): Add is_ordinary
7633 parameter. Change all callers.
7634 (Sized_relobj::include_section_group): Adjust section links and
7635 symbol section indexes.
7636 (Sized_relobj::do_layout): Adjust section links.
7637 (Sized_relobj::do_count_local_symbols): Adjust section links and
7638 symbol section indexes.
7639 (Sized_relobj::do_finalize_local_symbols): Distinguish between
7640 ordinary and special symbols.
7641 (Sized_relobj::write_local_symbols): Add symtab_xindex and
7642 dynsym_xindex parameters. Change all callers. Adjust section
7643 links. Use SHN_XINDEX when needed.
7644 (Sized_relobj::get_symbol_location_info): Adjust section links.
7645 Don't get fooled by special symbols.
7646 * object.h (class Xindex): Define.
7647 (class Object): Add xindex_ parameter. Declare virtual functoin
7648 do_initialize_xindex.
7649 (Object::adjust_sym_shndx): New function.
7650 (Object::set_xindex): New protected function.
7651 (class Symbol_value): Add is_ordinary_shndx_ field.
7652 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7653 (Symbol_value::value): Assert ordinary section.
7654 (Symbol_value::initialize_input_to_output_map): Likewise.
7655 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7657 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
7659 (class Sized_relobj): Update declarations.
7660 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7661 parameter. Change all callers.
7662 (Sized_relobj::adjust_shndx): New function.
7663 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7665 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7666 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
7667 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
7668 (Sized_dynobj::read_dynsym_section): Adjust section links.
7669 (Sized_dynobj::read_dynamic): Likewise.
7670 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
7672 (Sized_dynobj::do_initialize_xindex): New function.
7673 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
7674 do_initialize_xindex.
7675 (Sized_dynobj::adjust_shndx): New function.
7676 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7677 dynsym_xindex_ fields.
7678 (Layout::finalize): Add a call to set_section_indexes before
7679 creating the symtab sections.
7680 (Layout::set_section_indexes): Don't do anything if the section
7681 already has a section index.
7682 (Layout::create_symtab_sections): Add shnum parameter. Change
7683 caller. Create .symtab_shndx section if needed.
7684 (Layout::create_shdrs): Add shstrtab_section parameter. Change
7686 (Layout::allocated_output_section_count): New function.
7687 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7689 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7690 fields. Update declarations.
7691 (Layout::symtab_xindex): New function.
7692 (Layout::dynsym_xindex): New function.
7693 (class Write_symbols_task): Add layout_ field.
7694 (Write_symbols_task::Write_symbols_task): Add layout parameter.
7696 * output.cc (Output_section_headers::Output_section_headers): Add
7697 shstrtab_section parameter. Change all callers.
7698 (Output_section_headers::do_sized_write): Store overflow values
7699 for section count and section string table section index in
7700 section header zero.
7701 (Output_file_header::do_sized_write): Check for overflow of
7702 section count and section string table section index.
7703 (Output_symtab_xindex::do_write): New function.
7704 (Output_symtab_xindex::endian_do_write): New function.
7705 * output.h (class Output_section_headers): Add shstrtab_section_.
7706 Update declarations.
7707 (class Output_symtab_xindex): Define.
7708 (Output_section::has_out_shndx): New function.
7709 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7711 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7713 (Sized_symbol::init): Likewise.
7714 (Symbol::output_section): Check for ordinary symbol.
7715 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
7716 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
7718 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7719 Change all callers. Simplify handling of symbols from sections
7720 not included in the link.
7721 (Symbol_table::add_from_dynobj): Handle ordinary symbol
7723 (Weak_alias_sorter::operator()): Assert that symbols are
7725 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7727 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7728 parameters. Change all callers.
7729 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
7730 symbol distinction. Use SHN_XINDEX when needed.
7731 (Symbol_table::write_section_symbol): Add symtab_xindex
7732 parameter. Change all callers.
7733 (Symbol_table::sized_write_section_symbol): Likewise. Use
7734 SHN_XINDEX when needed.
7735 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
7737 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
7738 (Symbol::is_defined): Check is_ordinary.
7739 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7740 (Symbol::is_absolute, Symbol::is_common): Likewise.
7741 (class Sized_symbol): Update declarations.
7742 (class Symbol_table): Update declarations.
7743 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7744 parameters. Change all callers.
7745 (Sized_symbol::override): Likewise.
7746 (Symbol_table::override): Likewise.
7747 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
7748 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
7749 is_ordinary, and orig_st_shndx parameters. Change all callers.
7750 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7751 to be in an ordinary section.
7752 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7753 object and is_ordinary parameters. Change all callers.
7754 (Sized_dwarf_line_info::read_relocs): Add object parameter.
7755 Change all callers. Don't add undefined or non-ordinary symbols
7757 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7759 * dwarf_reader.h (class Sized_dwarf_line_info): Update
7761 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7762 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7763 (Sized_relobj::relocate_sections): Likewise.
7764 * target-reloc.h (scan_relocs): Adjust section symbol index.
7765 (scan_relocatable_relocs): Likewise.
7766 * i386.cc (Scan::local): Check for ordinary symbols.
7767 * sparc.cc (Scan::local): Likewise.
7768 * x86_64.cc (Scan::local): Likewise.
7769 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7770 to symbol_section_and_value.
7771 * testsuite/many_sections_test.cc: New file.
7772 * testsuite/Makefile.am (BUILT_SOURCES): Define.
7773 (check_PROGRAMS): Add many_sections_test.
7774 (many_sections_test_SOURCES): Define.
7775 (many_sections_test_DEPENDENCIES): Define.
7776 (many_sections_test_LDFLAGS): Define.
7777 (BUILT_SOURCES): Add many_sections_define.h.
7778 (many_sections_define.h): New target.
7779 (BUILT_SOURCES): Add many_sections_check.h.
7780 (many_sections_check.h): New target.
7781 (check_PROGRAMS): Add many_sections_r_test.
7782 (many_sections_r_test_SOURCES): Define.
7783 (many_sections_r_test_DEPENDENCIES): Define.
7784 (many_sections_r_test_LDFLAGS): Define.
7785 (many_sections_r_test_LDADD): Define.
7786 (many_sections_r_test.o): New target.
7787 * testsuite/Makefile.in: Rebuild.
7791 * errors.cc (Errors::info): New function.
7792 (gold_info): New function.
7793 * errors.h (Errors::info): New function.
7794 * gold.h (gold_info): New function.
7795 * object.cc (Input_objects::add_object): Print trace output.
7796 * options.cc (options::parse_set): New function.
7797 (General_options::parse_wrap): Deleted.
7798 (General_options::General_options): Deleted initializer.
7799 * options.h (options::String_set): New typedef.
7800 (options::parse_set): New function.
7801 (DEFINE_set): New macro.
7802 (General_options::wrap): Changed to use DEFINE_set. Changed
7803 callers of any_wrap_symbols and is_wrap_symbol.
7804 (General_options::trace, General_options::trace_symbol):
7806 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7807 (General_options::wrap_symbols_): Deleted.
7808 * symtab.cc (Symbol_table::add_from_object): Print trace output.
7812 * options.cc (General_options::parse_V): New function.
7813 * options.h: Add entries for -V and -Qy.
7817 * common.cc (Symbol_table::allocate_commons): Remove options
7818 parameter. Change caller.
7819 (Symbol_table::do_allocate_commons): Remove options parameter.
7820 Change caller. Just call do_allocate_commons_list twice.
7821 (Symbol_table::do_allocate_commons_list): New function, broken out
7822 of do_allocate_commons.
7823 * common.h (class Allocate_commons_task): Remove options_ field.
7825 * symtab.cc (Symbol_table::Symbol_table): Initialize
7827 (Symbol_table::add_from_object): Put TLS common symbols on
7829 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7830 which are IN_OUTPUT_DATA.
7831 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
7832 allocate_commons and do_allocate_commons declarations. Declare
7833 do_allocate_commons_list.
7834 * gold.cc (queue_middle_tasks): Update creation of
7835 Allocate_commons_task to not pass options.
7836 * testsuite/Makefile.am (INCLUDES): Add -I.. .
7837 (TLS_TEST_C_FLAGS): New variable.
7838 (tls_test_c_pic.o): New target.
7839 (tls_test_shared.so): Link in tls_test_c_pic.o.
7840 (tls_test_c_pic_ie.o): New target.
7841 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7842 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7843 (tls_test_c.o): New target.
7844 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7845 (tls_pic_test_LDADD): Likewise.
7846 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7847 (tls_shared_gd_to_ie_test_LDADD): Likewise.
7848 (tls_test_c_gnu2.o): New target.
7849 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7851 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7852 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7853 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7854 * testsuite/tls_test.cc: Include "config.h".
7855 (t_last): Call t11_last.
7856 * testsuite/tls_test.h (t11, t11_last): Declare.
7857 * testsuite/tls_test_c.c: New file.
7858 * testsuite/tls_test_main.cc (thread_routine): Call t11.
7859 * configure.ac: Check for OpenMP support.
7860 * configure, config.in, Makefile.in: Rebuild.
7861 * testsuite/Makefile.in: Rebuild.
7865 * i386.cc (Target_i386::define_tls_base_symbol): New function.
7866 (Target_i386::tls_base_symbol_defined_): New field.
7867 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7868 (Target_i386::Scan::global): Likewise.
7869 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7870 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7871 (Target_x86_64::tls_base_symbol_defined_): New field.
7872 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7873 (Target_x86_64::Scan::global): Likewise.
7877 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7878 (Symbol::needs_plt_entry): Allow weak undefined symbols.
7879 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7880 building shared libraries.
7881 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7882 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7883 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7884 * testsuite/Makefile.in: Rebuild.
7885 * testsuite/weak_undef.h: New file.
7886 * testsuite/weak_undef_file1.cc: Add extra test cases.
7887 * testsuite/weak_undef_file2.cc: Likewise.
7888 * testsuite/weak_undef_test.cc: Likewise.
7892 * sparc.cc (Target_sparc::Scan): Change from struct to class.
7893 Add issued_non_pic_error_ field. Declare check_non_pic.
7894 (Target_sparc::Scan::check_non_pic): New function.
7895 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7896 (Target_sparc::Scan::global): Likewise.
7898 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7899 * configure: Rebuild.
7901 * options.h (DEFINE_enable): New macro.
7902 (new_dtags): New enable option.
7903 (initfirst, interpose, loadfltr, nodefaultlib,
7904 nodelete, nodlopen, nodump): New -z options.
7905 * layout.cc (Layout:finish_dynamic_section): If new
7906 dtags enabled, emit DT_RUNPATH. Also, emit a
7907 DT_FLAGS_1 containing any specified -z flags.
7911 * copy-relocs.cc: New file.
7912 * copy-relocs.h: New file.
7913 * reloc.cc: Remove Copy_relocs code.
7914 * reloc.h: Likewise.
7915 * reloc-types.h (struct Reloc_types) [both versions]: Add
7916 get_reloc_addend_noerror.
7917 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7918 variants of add_global which take an addend which must be zero.
7919 * i386.cc: Include "copy-relocs.h".
7920 (class Target_i386): Change type of copy_relocs_ to variable,
7922 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7924 (Target_i386::do_finalize_sections): Change handling of
7926 * sparc.cc: Include "copy-relocs.h".
7927 (class Target_sparc): Change type of copy_relocs_ to variable,
7929 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7931 (Target_sparc::do_finalize_sections): Change handling of
7933 * x86_64.cc: Include "copy-relocs.h".
7934 (class Target_x86_64): Change type of copy_relocs_ to variable,
7936 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7937 class. Change all callers.
7938 (Target_x86_64::do_finalize_sections): Change handling of
7940 * Makefile.am (CCFILES): Add copy-relocs.cc.
7941 (HFILES): Add copy-relocs.h.
7943 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7945 * testsuite/script_test_4.sh: Permit leading zeroes.
7949 * script-sections.cc (Script_sections::create_segments): Use
7950 header_size_adjustment even when there is enough room for the
7952 * testsuite/script_test_4.sh: New file.
7953 * testsuite/script_test_4.t: New file.
7954 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7955 (check_DATA): Add script_test_4.stdout.
7956 (MOSTLYCLEANFILES): Likewise.
7957 (script_test_4): New target.
7958 (script_test_4.stdout): New target.
7959 * testsuite/Makefile.in: Rebuild.
7961 * sparc.cc: Add definitions for Output_data_plt_sparc class
7966 * sparc.cc: New file.
7967 * Makefile.am (TARGETSOURCES): Add sparc.cc
7968 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7969 * configure.tgt: Document targ_extra_size and
7970 targ_extra_big_endian. Add entries for sparc-* and
7972 * configure.ac: Handle targ_extra_size and
7973 targ_extra_big_endian.
7974 * Makefile.in: Rebuild.
7975 * configure: Likewise.
7976 * po/POTFILES.in: Likewise.
7977 * po/gold.pot: Likewise.
7981 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7982 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7983 in the name/type/flags to section mapping. Don't call
7984 allocate_output_section.
7985 (Layout::choose_output_section): Change parameter from adjust_name
7986 to is_input_section. Don't permit input sections after sections
7987 are attached to segments. Don't call allocate_output_section.
7988 (Layout::layout_eh_frame): Call update_flags_for_input_section,
7989 not write_enable_output_section.
7990 (Layout::make_output_section): Don't push to
7991 unattached_section_list_ nor call attach_to_segment. Call
7992 attach_section_to_segment if sections are attached.
7993 (Layout::attach_sections_to_segments): New function.
7994 (Layout::attach_section_to_segment): New function.
7995 (Layout::attach_allocated_section_to_segment): Rename from
7996 attach_to_segment. Remove flags parameter.
7997 (Layout::allocate_output_section): Remove function.
7998 (Layout::write_enable_output_section): Remove function.
7999 * layout.h (class Layout): Update for above changes. Add new
8000 field sections_are_attached_.
8001 * output.h (Output_section::update_flags_for_input_section): New
8003 * output.cc (Output_section::add_input_section): Call
8004 update_flags_for_input_section.
8005 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8009 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8010 thought unnecessary.
8011 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8015 * output.h (class Output_section_data): Remove inline definition
8017 * output.cc (Output_section_data::set_addralign): New function.
8021 Add support for TLS descriptors for i386 and x86_64.
8022 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8023 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8024 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8026 (Target_i386::got_mod_index_entry): Remove unnecessary code.
8027 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8028 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
8030 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8031 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8032 Fix problem with initial-exec relocations.
8033 (Target_i386::Relocate::relocate_tls): Likewise.
8034 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8036 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8037 support for section-plus-offset dynamic table entries.
8038 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8039 (Output_data_dynamic::Dynamic_entry): Add support for
8040 section-plus-offset dynamic table entries.
8041 (Output_data_dynamic::Classification): Likewise.
8042 (Output_data_dynamic::classification_): Renamed offset_.
8043 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8044 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8045 (Target_x86_64::make_plt_section): New function.
8046 (Target_x86_64::reserve_tlsdesc_entries): New function.
8047 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8048 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8049 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8050 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8051 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8052 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8053 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8054 add extra PLT entry for TLS descriptors.
8055 (Output_data_plt_x86_64::got_): New field.
8056 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8057 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8059 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8061 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8062 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8063 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8064 R_386_TLS_DESC_CALL relocations.
8065 (Target_x86_64::Scan::global): Likewise.
8066 (Target_x86_64::do_finalize_sections): Add dynamic table entries
8067 for TLS descriptors.
8068 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8069 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8070 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8071 GD-to-IE relaxation.
8072 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8073 and TLS_DESCRIPTORS.
8074 * Makefile.in: Rebuild.
8075 * configure: Rebuild.
8076 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8077 (tls_test_shared2.so): New target.
8078 (tls_shared_gd_to_ie_test_SOURCES): New variable.
8079 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8080 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8081 (tls_shared_gd_to_ie_test_LDADD): New variable.
8082 (tls_shared_gnu2_gd_to_ie_test): New target.
8083 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8085 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8086 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8087 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8088 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8089 (tls_shared_gnu2_test): New target.
8090 (tls_test_gnu2_shared.so): New target.
8091 (tls_shared_gnu2_test_SOURCES): New variable.
8092 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8093 (tls_shared_gnu2_test_LDFLAGS): New variable.
8094 (tls_shared_gnu2_test_LDADD): New variable.
8095 * testsuite/Makefile.in: Rebuild.
8096 * testsuite/Makefile.
8100 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8102 * testsuite/Makefile.in: Rebuild.
8104 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8106 * testsuite/script_test_2.cc (main): Adjust test.
8111 * options.h (General_options): Add entries for '-Y' and
8113 * options.cc (General_options:finalize): If -Y was used, add those
8114 entries to the library path instead of the default "/lib" and
8119 * testsuite/justsyms.t: Start at 0x100.
8120 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8121 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8123 * testsuite/script_test_2.cc: Adjust string and section length
8129 * script-sections.cc (Sections_element::allocate_to_segment): Add
8131 (Output_section_definition::allocate_to_segment): Likewise.
8132 (Orphan_output_section::allocate_to_segment): Likewise.
8133 (Script_sections::attach_sections_using_phdrs_clause): Don't
8134 propagate non-PT_LOAD segments to orphan sections.
8135 * testsuite/Makefile.am (script_test_3.stdout): Generate using
8136 readelf rather than objdump.
8137 * testsuite/script_test_3.sh: Adjust accordingly. Test that
8138 .interp section and PT_INTERP segment are the same size.
8139 * testsuite/Makefile.in: Rebuild.
8141 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
8142 aliases for symbols defined in the same object.
8143 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
8144 (weak_alias_test_SOURCES): New variable.
8145 (weak_alias_test_DEPENDENCIES): New variable.
8146 (weak_alias_test_LDFLAGS): New variable.
8147 (weak_alias_test_LDADD): New variable.
8148 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
8149 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
8150 (weak_alias_test_3.o): New target.
8151 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
8152 * testsuite/weak_alias_test_main.cc: New file.
8153 * testsuite/weak_alias_test_1.cc: New file.
8154 * testsuite/weak_alias_test_2.cc: New file.
8155 * testsuite/weak_alias_test_3.cc: New file.
8159 * options.h (class General_options): Add --noinhibit-exec option.
8160 * main.cc (main): Check --noinhibit-exec.
8162 * options.h (class General_options): Define --wrap as a special
8163 option. Add wrap_symbols_ field.
8164 (General_options::any_wrap_symbols): New function.
8165 (General_options::is_wrap_symbol): New function.
8166 * options.cc (General_options::parse_wrap): New function.
8167 (General_options::General_options): Initialize wrap_symbols_.
8168 * symtab.cc (Symbol_table::wrap_symbol): New function.
8169 (Symbol_table::add_from_object): Handle --wrap.
8170 * symtab.h (class Symbol_table): Declare wrap_symbol.
8171 * target.h (Target::wrap_char): New function.
8172 (Target::Target_info): Add wrap_char field.
8173 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8174 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8175 * testsuite/testfile.cc (Target_test::test_target_info):
8178 * errors.cc (Errors::undefined_symbol): Mention symbol version if
8181 * layout.h (class Layout): Add added_eh_frame_data_ field.
8182 * layout.cc (Layout::Layout): Initialize new field.
8183 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8184 output section until we find a section we merged successfully.
8185 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8186 that the size be non-zero.
8188 * merge.cc (Object_merge_map::get_output_offset): Remove inline
8193 * configure.ac: Export new conditional variable HAVE_ZLIB.
8194 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
8196 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
8197 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8201 * version.cc (version_string): Set to "1.5".
8203 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
8204 Add issued_non_pic_error_ field. Declare check_non_pic.
8205 (Target_x86_64::Scan::check_non_pic): New function.
8206 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
8207 (Target_x86_64::Scan::global): Likewise.
8209 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
8210 addend parameter. Change caller. Handle merge sections.
8211 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
8212 Address to Addend. Don't add in the result of
8213 local_section_offset, pass down the addend and use the returned
8215 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
8216 Update declarations of local_section_offset and symbol_value.
8217 * testsuite/two_file_test_1.cc (t18): New function.
8218 * testsuite/two_file_test_2.cc (f18): New function.
8219 * testsuite/two_file_test_main.cc (main): Call t18.
8220 * testsuite/two_file_test.h (t18, f18): Declare.
8222 * configure.ac: Don't test for objdump, c++filt, or readelf.
8223 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
8225 (TEST_READELF): New variable.
8226 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
8227 (check_PROGRAMS): Add two_file_strip_test.
8228 (two_file_strip_test): New target.
8229 (check_PROGRAMS): Add two_file_same_shared_strip_test.
8230 (two_file_same_shared_strip_test_SOURCES): New variable.
8231 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
8232 (two_file_same_shared_strip_test_LDFLAGS): New variable.
8233 (two_file_same_shared_strip_test_LDADD): New variable.
8234 (two_file_shared_strip.so): New target.
8235 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
8236 (ver_test_5.syms, ver_test_7.syms): Likewise.
8237 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
8238 (strip_test_3.stdout): Use TEST_OBJDUMP.
8239 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8243 * symtab.h (Symbol::is_weak_undefined): New function.
8244 (Symbol::is_strong_undefined): New function.
8245 (Symbol::is_absolute): New function.
8246 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
8247 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8249 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
8250 (weak_undef_test): New target.
8251 * testsuite/Makefile.in: Rebuild.
8252 * testsuite/weak_undef_file1.cc: New file.
8253 * testsuite/weak_undef_file2.cc: New file.
8254 * testsuite/weak_undef_test.cc: New file.
8258 * compressed_output.h (class Output_compressed_section): Use
8260 * compressed_output.cc (zlib_compress): Use unsigned buffers,
8262 (zlib_compressed_suffix): Removed.
8263 (Output_compressed_section::set_final_data_size): Use unsigned
8265 * testsuite/Makefile.am (flagstest_compress_debug_sections):
8266 Fix linker invocation.
8267 (flagstest_o_specialfile_and_compress_debug_sections):
8269 * testsuite/Makefile.in: Regenerated.
8273 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
8274 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
8282 * fileread.cc (File_read::find_view): Add byteshift and vshifted
8283 parameters. Update for new key type to views_. Change all
8285 (File_read::read): Adjust for byteshift in returned view.
8286 (File_read::add_view): New function, broken out of
8288 (File_read::make_view): New function, broken out of
8290 (File_read::find_or_make_view): Add offset and aligned
8291 parameters. Rewrite accordingly. Change all callers.
8292 (File_read::get_view): Add offset and aligned parameters. Adjust
8293 for byteshift in return value.
8294 (File_read::get_lasting_view): Likewise.
8295 * fileread.h (class File_read): Update declarations.
8296 (class File_read::View): Add byteshift_ field. Add byteshift to
8297 constructor. Add byteshift method.
8298 * archive.h (Archive::clear_uncached_views): New function.
8299 (Archive::get_view): Add aligned parameter. Change all callers.
8300 * object.h (Object::get_view): Add aligned parameter. Change all
8302 (Object::get_lasting_view): Likewise.
8304 * fileread.cc (File_read::release): Don't call clear_views if
8305 there are multiple objects.
8306 * fileread.h (File_read::clear_uncached_views): New function.
8307 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
8312 Add thin archive support.
8313 * archive.cc (Archive::armagt): New const.
8314 (Archive::setup): Remove task parameter and calls to unlock.
8315 (Archive::unlock_nested_archives): New function.
8316 (Archive::read_header): Add nested_off parameter. Change
8318 (Archive::interpret_header): Likewise.
8319 (Archive::include_all_members): Change to handle thin
8321 (Archive::include_member): Likewise.
8322 * archive.h (Archive::Archive): Add new parameters and
8324 (Archive::armagt): New const.
8325 (Archive::setup): Remove task parameter.
8326 (Archive::unlock_nested_archives): New function.
8327 (Archive::read_header): Add nested_off parameter.
8328 (Archive::interpret_header): Likewise.
8329 (Archive::Nested_archive_table): New typedef.
8330 (Archive::is_thin_archive_): New field.
8331 (Archive::nested_archives_): New field.
8332 (Archive::options_): New field.
8333 (Archive::dirpath_): New field.
8334 (Archive::task_): New field.
8335 * readsyms.cc (Read_symbols::do_read_symbols): Add check
8336 for thin archives. Pass additional parameters to
8337 Archive::Archive. Unlock the archive file after calling
8342 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
8343 version symbol to be local.
8344 * testsuite/ver_test_4.sh: New file.
8345 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
8346 (check_DATA): Add ver_test_4.syms.
8347 (ver_test_4.syms): New target.
8348 * testsuite/Makefile.in: Rebuild.
8351 (Output_section::Input_section_sort_entry::has_priority): New
8353 (Output_section::Input_section_sort_entry::match_file_name): New
8355 (Output_section::Input_section_sort_entry::match_section_name):
8357 (Output_section::Input_section_sort_entry::match_section_name_prefix):
8359 (Output_section::Input_section_sort_entry::match_section_file):
8361 (Output_section::Input_section_sort_compare::operator()): Rewrite
8362 using new Input_section_sort_entry functions. Sort crtbegin and
8363 crtend first. Sort sections with no priority before sections with
8365 * testsuite/initpri1.c (d3): Check j != 4.
8366 (cd5): New constructor/destructor function.
8367 (main): Check j != 2.
8369 * symtab.cc (Symbol_table::add_from_object): If we don't use the
8370 new symbol when resolving, don't call set_is_default.
8371 * testsuite/ver_test_7.cc: New file.
8372 * testsuite/ver_test_7.sh: New file.
8373 * testsuite/Makefile.am (ver_test_7.so): New target.
8374 (ver_test_7.o): New target.
8375 (check_SCRIPTS): Add ver_test_7.sh.
8376 (check_DATA): Add ver_test_7.syms.
8377 (ver_test_7.syms): New target.
8381 * layout.cc (Layout::layout): If we see an input section with a
8382 name that needs sorting, set the must_sort flag for the output
8384 (Layout::make_output_section): If the name of the output section
8385 indicates that it might require sorting, set the may_sort flag.
8386 * output.h (Output_section::may_sort_attached_input_sections): New
8388 (Output_section::set_may_sort_attached_input_sections): New
8390 (Output_section::must_sort_attached_input_sections): New
8392 (Output_section::set_must_sort_attached_input_sections): New
8394 (class Output_section): Declare Input_section_sort_entry. Define
8395 Input_section_sort_compare. Declare
8396 sort_attached_input_sections. Add new fields:
8397 may_sort_attached_input_sections_,
8398 must_sort_attached_input_sections_,
8399 attached_input_sections_are_sorted_.
8400 * output.cc (Output_section::Output_section): Initialize new
8402 (Output_section::add_input_section): Add an entry to
8403 input_sections_ if may_sort or must_sort are true.
8404 (Output_section::set_final_data_size): Call
8405 sort_attached_input_sections if necessary.
8406 (Output_section::Input_section_sort_entry): Define new class.
8407 (Output_section::Input_section_sort_compare::operator()): New
8409 (Output_section::sort_attached_input_sections): New function.
8410 * configure.ac: Check whether the compiler supports constructor
8411 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
8412 * testsuite/initpri1.c: New file.
8413 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
8414 CONSTRUCTOR_PRIORITY.
8415 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
8416 (initpri1_LDFLAGS): New variable.
8417 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8421 * common.cc (Sort_commons::operator): Correct sorting algorithm.
8422 * testsuite/common_test_1.c: New file.
8423 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
8424 (common_test_1_SOURCES): New variable.
8425 (common_test_1_DEPENDENCIES): New variable.
8426 (common_test_1_LDFLAGS): New variable.
8428 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
8429 and commons_ correctly when NAME/VERSION does not override
8431 * testsuite/ver_test_6.c: New file.
8432 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
8433 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
8434 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
8438 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
8439 of an undefined symbol from a version script.
8440 * testsuite/Makefile.am (ver_test_5.so): New target.
8441 (ver_test_5.o): New target.
8442 (check_SCRIPTS): Add ver_test_5.sh.
8443 (check_DATA): Add ver_test_5.syms.
8444 (ver_test_5.syms): New target.
8445 * testsuite/ver_test_5.cc: New file.
8446 * testsuite/ver_test_5.script: New file.
8447 * testsuite/ver_test_5.sh: New file.
8448 * Makefile.in, testsuite/Makefile.in: Rebuild.
8451 Fix problems building gold with gcc 4.3.0.
8452 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
8453 (gold_error_at_location, gold_warning_at_location): Use it.
8454 * configure.ac: Check whether we can compile and use a template
8455 function with a printf attribute.
8456 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
8457 when jumping over bytes.
8458 * object.cc: Instantiate Object::read_section_data.
8459 * debug.h: Include <cstring>
8460 * dwarf_reader.cc: Include <algorithm>
8461 * main.cc: Include <cstring>.
8462 * options.cc: Include <cstring>.
8463 * output.cc: Include <cstring>.
8464 * script.cc: Include <cstring>.
8465 * script.h: Include <string>.
8466 * symtab.cc: Include <cstring> and <algorithm>.
8467 * target-select.cc: Include <cstring>.
8468 * version.cc: Include <string>.
8469 * testsuite/testmain.cc: Include <cstdlib>.
8470 * configure, config.in: Rebuild.
8474 * options.cc: Include "../bfd/bfdver.h".
8475 (options::help): Print bug reporting address.
8477 * version.cc (print_version): Adjust output for current value of
8482 * options.cc (options::help): Print list of supported targets.
8483 * target-select.h: Include <vector>.
8484 (class Target_selector): Make machine_, size_, and is_big_endian_
8485 fields const. Add bfd_name_ and instantiated_target_ fields.
8486 (Target_selector::Target_selector): Add bfd_name parameter.
8487 (Target_selector::recognize): Make non-virtual, call
8489 (Target_selector::recognize_by_name): Make non-virtual, call
8490 do_recognize_by_name.
8491 (Target_selector::supported_names): New function.
8492 (Target_selector::bfd_name): New function.
8493 (Target_selector::do_instantiate_target): New pure virtual
8495 (Target_selector::do_recognize): New virtual function.
8496 (Target_selector::do_recognize_by_name): New virtual function.
8497 (Target_selector::instantiate_target): New private function.
8498 (supported_target_names): Declare.
8499 * target-select.cc (Target_selector::Target_selector): Update for
8500 new parameter and fields.
8501 (select_target_by_name): Check that the name matches before
8502 calling recognize_by_name.
8503 (supported_target_names): New function.
8504 * i386.cc (class Target_selector_i386): Update Target_selector
8505 constructor call. Remove recognize and recognize_by_name. Add
8506 do_instantiate_target.
8507 * x86_64.cc (class Target_selector_x86_64): Likewise.
8508 * testsuite/testfile.cc (class Target_selector_test): Update for
8509 changes to Target_selector.
8511 * README: Rewrite, with some notes on unsupported features.
8515 * i386.cc (Target_i386::Got_type): New enum declaration.
8516 (Target_i386::Scan::local): Updated callers of Output_data_got
8518 (Target_i386::Scan::global): Likewise.
8519 (Target_i386::Relocate::relocate): Likewise.
8520 (Target_i386::Relocate::relocate_tls): Likewise.
8521 * object.h (Got_offset_list): New class.
8522 (Sized_relobj::local_has_got_offset): Added got_type parameter.
8523 (Sized_relobj::local_got_offset): Likewise.
8524 (Sized_relobj::set_local_got_offset): Likewise.
8525 (Sized_relobj::local_has_tls_got_offset): Removed.
8526 (Sized_relobj::local_tls_got_offset): Removed.
8527 (Sized_relobj::set_local_tls_got_offset): Removed.
8528 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
8529 * output.cc (Output_data_got::add_global): Added got_type parameter.
8530 (Output_data_got::add_global_with_rel): Likewise.
8531 (Output_data_got::add_global_with_rela): Likewise.
8532 (Output_data_got::add_global_pair_with_rel): New function.
8533 (Output_data_got::add_global_pair_with_rela): New function.
8534 (Output_data_got::add_local): Added got_type parameter.
8535 (Output_data_got::add_local_with_rel): Likewise.
8536 (Output_data_got::add_local_with_rela): Likewise.
8537 (Output_data_got::add_local_pair_with_rel): New function.
8538 (Output_data_got::add_local_pair_with_rela): New function.
8539 (Output_data_got::add_global_tls): Removed.
8540 (Output_data_got::add_global_tls_with_rel): Removed.
8541 (Output_data_got::add_global_tls_with_rela): Removed.
8542 (Output_data_got::add_local_tls): Removed.
8543 (Output_data_got::add_local_tls_with_rel): Removed.
8544 (Output_data_got::add_local_tls_with_rela): Removed.
8545 * output.h (Output_data_got::add_global): Added got_type parameter.
8546 (Output_data_got::add_global_with_rel): Likewise.
8547 (Output_data_got::add_global_with_rela): Likewise.
8548 (Output_data_got::add_global_pair_with_rel): New function.
8549 (Output_data_got::add_global_pair_with_rela): New function.
8550 (Output_data_got::add_local): Added got_type parameter.
8551 (Output_data_got::add_local_with_rel): Likewise.
8552 (Output_data_got::add_local_with_rela): Likewise.
8553 (Output_data_got::add_local_pair_with_rel): New function.
8554 (Output_data_got::add_local_pair_with_rela): New function.
8555 (Output_data_got::add_global_tls): Removed.
8556 (Output_data_got::add_global_tls_with_rel): Removed.
8557 (Output_data_got::add_global_tls_with_rela): Removed.
8558 (Output_data_got::add_local_tls): Removed.
8559 (Output_data_got::add_local_tls_with_rel): Removed.
8560 (Output_data_got::add_local_tls_with_rela): Removed.
8561 * resolve.cc (Symbol::override_base_with_special): Removed
8562 reference to has_got_offset_ field.
8563 * symtab.cc (Symbol::init_fields): Replaced initialization
8564 of got_offset_ with got_offsets_. Removed initialization
8566 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
8567 (Symbol::got_offset): Likewise.
8568 (Symbol::set_got_offset): Likewise.
8569 (Symbol::has_tls_got_offset): Removed.
8570 (Symbol::tls_got_offset): Removed.
8571 (Symbol::set_tls_got_offset): Removed.
8572 (Symbol::got_offset_): Removed.
8573 (Symbol::tls_mod_got_offset_): Removed.
8574 (Symbol::tls_pair_got_offset_): Removed.
8575 (Symbol::got_offsets_): New field.
8576 (Symbol::has_got_offset): Removed.
8577 (Symbol::has_tls_mod_got_offset): Removed.
8578 (Symbol::has_tls_pair_got_offset): Removed.
8579 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
8580 (Target_x86_64::Scan::local): Updated callers of Output_data_got
8582 (Target_x86_64::Scan::global): Likewise.
8583 (Target_x86_64::Relocate::relocate): Likewise.
8584 (Target_x86_64::Relocate::relocate_tls): Likewise.
8588 * yyscript.y: Fix spelling error in comment.
8592 * options.h (class General_options): Define build_id option.
8593 * layout.h (class Layout): Declare write_build_id, create_note,
8594 create_build_id. Add build_id_note_ member.
8595 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8596 "libiberty.h", "md5.h", "sha1.h".
8597 (Layout::Layout): Initialize eh_frame_data_,
8598 eh_frame_hdr_section_, and build_id_note_.
8599 (Layout::finalize): Call create_build_id.
8600 (Layout::create_note): New function, broken out of
8601 Layout::create_gold_note.
8602 (Layout::create_gold_note): Call create_note.
8603 (Layout::create_build_id): New function.
8604 (Layout::write_build_id): New function.
8605 (Close_task_runner::run): Call write_build_id.
8607 * x86_64.cc: Correct license to GPLv3.
8611 * options.cc: Include "demangle.h".
8612 (parse_optional_string): New function.
8613 (parse_long_option): Handle takes_optional_argument.
8614 (parse_short_option): Update dash_z initializer. Handle
8615 takes_optional_argument.
8616 (General_options::General_options): Initialize do_demangle_.
8617 (General_options::finalize): Set do_demangle_. Handle demangling
8619 * options.h (parse_optional_string): Declare.
8620 (struct One_option): Add optional_arg field. Update constructor.
8621 Update call constructor calls. Add takes_optional_argument
8623 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
8624 (DEFINE_optional_string): Define.
8625 (General_options::demangle): Change from DEFINE_bool to
8626 DEFINE_optional_string.
8627 (General_options::no_demangle): New function.
8628 (General_options::do_demangle): New function.
8629 (General_options::set_do_demangle): New function.
8630 (General_options::execstack_status_): Move definition to end of
8632 (General_options::static_): Likewise.
8633 (General_options::do_demangle_): New field.
8634 * object.cc (big_endian>::get_symbol_location_info): Call
8635 Options::do_demangle, not Options::demangle.
8636 * symtab.cc (demangle): Likewise.
8640 * gold.h: Include <cstddef> and <sys/types.h>
8641 * options.h: Include <cstring>.
8645 * Added source code to GNU binutils.
projects / binutils.git / blob