1 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
3 * Makefile.am: Build incremental-dump
4 * Makefile.in: Regenerate.
5 * incremental-dump.cc: New.
6 * incremental.cc (Incremental_inputs_header_data,
7 Incremental_inputs_entry_data): Move to incremental.h
8 * incremental.h: (Incremental_inputs_header_data,
9 Incremental_inputs_entry_data): Move from incremental.cc
11 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
13 * incremental.cc (Incremental_inputs_header,
14 Incremental_inputs_header_write, Incremental_inputs_entry,
15 Incremental_inputs_entry_write): Add a typedef with the data type.
17 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
19 * incremental.cc (Incremental_inputs_header,
20 Incremental_inputs_header_write, Incremental_inputs_entry,
21 Incremental_inputs_entry_write): Update comment about which
22 type has the filed descriptions.
24 2009-11-15 Doug Kwan <dougkwan@google.com>
26 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
27 (Arm_relocate_functions::arm_branch_common): Change method defintion
28 in class definition to a method declaration and update list of formal
30 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
31 Arm_relocation_functions::jump24): Adjust call to
32 Arm_relocate_functions::arm_branch_common. Update list of formal
34 (Arm_relocate_functions::xpc25): New method definition.
35 (Arm_relocate_functions::arm_branch_common): Move method defintion
36 out from class definition. Use stubs for mode-switching and extending
38 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
39 specially. Change code to enable use of stubs in ARM branches.
41 2009-11-10 Doug Kwan <dougkwan@google.com>
43 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
44 in method declaration.
45 (Target_arm::relocate_stub): New method declaration.
46 (Target_arm::default_target): Change to return a pointer instead of
48 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
49 Target_arm::default_target.
50 (Arm_Relobj::do_relocate_sections): Remove options paramater in
52 (Target_arm::relocate_section): Adjust view.
53 (Target_arm::relocate_stub): New method definition.
55 2009-11-10 Doug Kwan <dougkwan@google.com>
57 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
59 * incremental.cc (open_incremental_binary): Initialized local
60 variables to avoid warnings.
61 * object.cc (make_elf_object): Ditto.
62 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
65 009-11-09 H.J. Lu <hongjiu.lu@intel.com>
68 * testsuite/plugin_test.c: Include "config.h".
70 2009-11-09 Doug Kwan <dougkwan@google.com>
72 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
73 (arm_symbol_value): Remove.
74 (Arm_relocate_functions::arm_branch_common,
75 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
76 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
77 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
78 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
79 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
80 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
81 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
82 Arm_relocate_functions::thm_mobw_abs_nc,
83 Arm_relocate_functions::thm_mov_abs,
84 Arm_relocate_functions::movw_prel_nc,
85 Arm_relocate_functions::thm_movt_abs,
86 Arm_relocate_functions::movt_prel,
87 Arm_relocate_functions::thm_movw_prel_nc,
88 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
89 (Target_arm::Relocate::relocate): Only decompose address into two
90 parts if relocation type uses the thumb-bit and pass the actual
91 bit instead of a flag indicating that the thumb-bit is used. Adjust
92 calls to methods in Arm_relocate_functions for this change.
94 2009-11-08 Ian Lance Taylor <ian@airs.com>
97 * reloc.cc: Instantiate
98 Sized_relobj::initialize_input_to_output_maps and
99 Sized_relobj:free_input_to_output_maps.
101 2009-11-06 Ian Lance Taylor <iant@google.com>
104 * defstd.cc (in_segment): Set only_if_ref true for "end".
106 2009-11-06 Doug Kwan <dougkwan@google.com>
108 * arm.cc (class Reloc_stub): Correct a comment.
109 (Target_arm::Target_arm): Initialize arm_input_section_map_.
110 (Target_arm::scan_section_for_stubs): New method declaration.
111 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
112 Change methods from private to protected.
113 (Target_arm::do_may_relax): New method definition.
114 (Target_arm::do_relax, Target_arm::group_sections,
115 Target_arm::scan_reloc_for_stub,
116 Target_arm::scan_reloc_section_for_stubs): New method declarations.
117 (Target_arm::arm_input_section_map_): New data member declaration.
118 (Target_arm::scan_reloc_for_stub,
119 Target_arm::scan_reloc_section_for_stubs,
120 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
121 Target_arm::do_relax): New method definitions.
123 2009-11-06 Mikolaj Zalewski <mikolaj@google.com>
125 * configure.ac: Check for (struct stat)::st_mtim
126 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
127 * config.in: Regenerate.
128 * configure: Regenerate.
130 2009-11-05 Ian Lance Taylor <iant@google.com>
133 * output.cc (Output_segment::add_output_section): Add missing
136 2009-11-04 Ian Lance Taylor <iant@google.com>
139 * object.h (class Object): Add is_needed and set_is_needed
140 methods. Add is_needed_ field. Make bool fields into bitfields.
141 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
142 defined in a dynamic object and referenced by a regular object,
143 set is_needed for the dynamic object.
144 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
145 if the file is marked with as_needed and it is not needed.
147 2009-11-04 Ian Lance Taylor <iant@google.com>
150 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
151 tags if data is discarded by linker script.
152 * i386.cc (Target_i386::do_finalize_sections): Likewise.
153 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
154 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
155 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
157 2009-11-04 Ian Lance Taylor <iant@google.com>
159 * layout.cc (Layout::get_output_section): Add is_interp and
160 is_dynamic_linker_section parameters. Change all callers.
161 (Layout::choose_output_section): Likewise.
162 (Layout::make_output_section): Likewise.
163 (Layout::add_output_section_data): Add is_dynamic_linker_section
164 parameter. Change all callers.
165 * layout.h (class Layout): Update declarations.
166 * output.h (class Output_section): Add is_interp, set_is_interp,
167 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
168 Add is_interp_, is_dynamic_linker_section_ fields. Change
169 generate_code_fills_at_write_ to a bitfield.
170 * output.cc (Output_section::Output_sections): Initialize new
172 (Output_segment::add_output_section): Add do_sort parameter.
175 2009-11-03 Ian Lance Taylor <iant@google.com>
178 * options.h (class General_options): Add --warn-common.
179 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
180 merging two common symbols.
181 (Symbol_table::should_override): Handle --warn-common when merging
182 a common symbol with a defined symbol. Use report_resolve_problem
183 for multiple definitions.
184 (Symbol_table::report_resolve_problem): New function.
185 * symtab.h (class Symbol_table): Declare report_resolve_problem.
187 2009-11-03 Doug Kwan <dougkwan@google.com>
189 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
191 (Target_arm::stub_factory): New method definition.
192 (Target_arm::new_arm_input_section,
193 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
194 Target_arm::reloc_uses_thumb_bit): New method declarations.
195 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
196 New type definitions.
197 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
199 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
200 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
201 New method definitions.
203 2009-11-03 Ian Lance Taylor <iant@google.com>
205 * options.h (class General_options): Add --warn_constructors.
207 2009-11-03 Ian Lance Taylor <iant@google.com>
210 * defstd.cc (in_section): Add entries for __rel_iplt_start,
211 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
213 2009-11-03 Ian Lance Taylor <iant@google.com>
216 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
217 --msgid-bugs-address.
218 (install-pdf): New target.
219 (install-data_yes): Look up one directory to find mkinstalldirs.
221 2009-11-03 H.J. Lu <hongjiu.lu@intel.com>
223 * po/Make-in (.po.gmo): Don't generate .gmo files in source
226 2009-10-30 Doug Kwan <dougkwan@google.com>
228 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
230 2009-10-30 Doug Kwan <dougkwan@google.com>
232 * arm.cc (Stub_addend_reader): New struct template definition
233 and partial specializations.
234 (Stub_addend_reader::operator()): New method definition for a
235 partially specialized template.
237 2009-10-30 Doug Kwan <dougkwan@google.com>
239 * arm.cc (Arm_relobj::processor_specific_flags): New method
241 (Arm_relobj::do_read_symbols): New method declaration.
242 (Arm_relobj::processor_specific_flags_): New data member declaration.
243 (Arm_dynobj): New class definition.
244 (Target_arm::do_finalize_sections): Add input_objects parameter.
245 (Target_arm::do_adjust_elf_header): New method declaration.
246 (Target_arm::are_eabi_versions_compatible,
247 (Target_arm::merge_processor_specific_flags): New method declaration.
248 (Target_arm::do_make_elf_object): New overloaded method definitions
250 (Arm_relobj::do_read_symbols): New method definition.
251 (Arm_dynobj::do_read_symbols): Ditto.
252 (Target_arm::do_finalize_sections): Add input_objects parameters.
253 Merge processor-specific flags from all input objects.
254 (Target_arm::are_eabi_versions_compatible,
255 Target_arm::merge_processor_specific_flags,
256 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
257 New method definitions.
258 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
259 Input_objects pointer type parameter.
260 * layout.cc (Layout::finalize): Pass input objects to target's.
261 finalize_sections function.
262 * output.cc (Output_file_header::do_sized_write): Set ELF file
263 header's processor-specific flags.
264 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
265 Input_objects pointer type parameter.
266 * sparc.cc (Target_sparc::do_finalize_sections): Same.
267 * target.h (Input_objects): New forward class declaration.
268 (Target::processor_specific_flags,
269 Target::are_processor_specific_flags_sect): New method definitions.
270 (Target::finalize_sections): Add input_objects parameter.
271 (Target::Target): Initialize processor_specific_flags_ and
272 are_processor_specific_flags_set_.
273 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
275 (Target::set_processor_specific_flags): New method definition.
276 (Target::processor_specific_flags_,
277 Target::are_processor_specific_flags_set_): New data member
279 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
280 Input_objects pointer type parameter.
282 2009-10-30 Doug Kwan <dougkwan@google.com>
284 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
286 2009-10-28 Ian Lance Taylor <iant@google.com>
288 * object.h (class Relobj): Drop options parameter from
289 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
290 do_scan_relocs, do_relocate. Change all callers.
291 (class Sized_relobj): Drop options parameters from
292 do_gc_process_relocs, do_scan_relocs, do_relocate,
293 do_relocate_sections, relocate_sections, emit_relocs_scan,
294 emit_relocs_scan_reltype. Change all callers.
295 (struct Relocate_info): Remove options field and all references to
297 * reloc.h (class Read_relocs): Remove options constructor
298 parameter and options_ field. Change all callers.
299 (class Gc_process_relocs, class Scan_relocs): Likewise.
300 (class Relocate_task): Likewise.
301 * target-reloc.h (scan_relocs): Remove options parameter. Change
303 (scan_relocatable_relocs): Likewise.
304 * target.h (class Sized_target): Remove options parameter from
305 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
307 * gc.h (gc_process_relocs): Remove options parameter. Change all
309 * arm.cc: Update functions to remove options parameters.
311 * powerpc.cc: Likewise.
312 * sparc.cc: Likewise.
313 * x86_64.cc: Likewise.
314 * testsuite/testfile.cc: Likewise.
316 2009-10-28 Doug Kwan <dougkwan@google.com>
318 * arm.cc (Arm_relobj): New class definition.
319 (Arm_relobj::scan_sections_for_stubs,
320 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
321 New method definitions.
323 2009-10-28 Cary Coutant <ccoutant@google.com>
325 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
326 (Plugin::cleanup_done_): New member.
327 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
328 (Plugin_manager::cleanup_done_): Remove.
329 (Plugin_manager::add_input_file): Edit error message.
330 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
331 (Plugin_manager::cleanup): Remove use of cleanup_done_.
333 2009-10-27 Mikolaj Zalewski <mikolajz@google.com>
335 * fileread.cc: (File_read::View::~View): Use the new
336 data_ownership_ filed.
337 (File_read::~File_read): Dispose the new whole_file_view_.
338 (File_read::open): Mmap the whole file if needed.
339 (File_read::open): Use whole_file_view_ instead of contents_.
340 (File_read::find_view): Use whole_file_view_ if applicable.
341 (File_read::do_read): Use whole_file_view_ instead of contents_.
342 (File_read::make_view): Use whole_file_view_ instead of contents_,
343 update File_read::View::View call.
344 (File_read::find_or_make_view): Update File_read::View::View
346 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
348 (File_read::View::Data_ownership): New enum.
349 (File_read::View::View): Replace bool mapped_ with Data_ownership
351 (File_read::View::mapped_): Remove (replaced by data_ownership_).
352 (File_read::View::data_ownership_): New field.
353 (File_read::contents_): Remove (replaced by whole_file_view_).
354 (File_read::whole_file_view_): New field.
355 * options.h (class General_options): Add --keep-files-mapped.
357 2009-10-27 Cary Coutant <ccoutant@google.com>
359 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
360 * testsuite/Makefile.am (plugin_test_5): New test case.
361 * testsuite/Makefile.in: Regenerate.
363 2009-10-25 Doug Kwan <dougkwan@google.com>
365 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
366 from private to protected to allow access by child class.
367 (Sized_relobj::do_relocate_sections): New method declaration.
368 (Sized_relobj::relocate_sections): Virtualize.
369 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
370 Sized_relobj::relocate_sections. Instantiate template explicitly
371 for different target sizes and endianity.
373 2009-10-24 Doug Kwan <dougkwan@google.com>
375 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
376 (Arm_input_section::as_arm_input_section): New method.
377 (Arm_output_section): New class definition.
378 (Arm_output_section::create_stub_group,
379 Arm_output_section::group_sections): New method definitions.
381 2009-10-22 Doug Kwan <dougkwan@google.com>
383 * arm.cc (Arm_input_section): New class definition.
384 (Arm_input_section::init, Arm_input_section:do_write,
385 Arm_input_section::set_final_data_size,
386 Arm_input_section::do_reset_address_and_file_offset): New method
389 2009-10-21 Doug Kwan <dougkwan@google.com>
391 * arm.cc (Stub_table, Arm_input_section): New forward class
393 (Stub_table): New class defintion.
394 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
395 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
396 New method definition.
398 2009-10-21 Doug Kwan <dougkwan@google.com>
400 * arm.cc: Update copyright comments.
401 (Target_arm): New forward class template declaration.
402 (Arm_address): New type.
403 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
404 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
405 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
407 (Insn_template): Same.
408 (DEF_STUBS): New macro.
409 (Stub_type): New enum type.
410 (Stub_template): New class definition.
413 (Stub_factory): Same.
414 (Target_arm::Target_arm): Initialize may_use_blx_ and
415 should_force_pic_veneer_.
416 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
417 Target_arm::should_force_pic_veneer,
418 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
419 Target_arm::using_thumb_only, Target_arm:;default_target): New
421 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
422 New data member declarations.
423 (Insn_template::size, Insn_template::alignment): New method defintions.
424 (Stub_template::Stub_template): New method definition.
425 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
426 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
427 (Stub_factory::Stub_factory): New method definition.
428 * gold.h (string_hash): New template.
429 * output.h (Input_section_specifier::hash_value): Use
431 (Input_section_specifier::string_hash): Remove.
432 * stringpool.cc (Stringpool_template::string_hash): Use
435 2009-10-20 Doug Kwan <dougkwan@google.com>
437 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
438 symbols of relaxed input sections.
439 * output.h (Output_section::find_relaxed_input_section): Make
442 2009-10-16 Doug Kwan <dougkwan@google.com>
444 * dynobj.cc (Versions::Versions): Initialize version_script_.
445 Only insert base version symbol definition for a shared object
446 if version script defines any version versions.
447 (Versions::define_base_version): New method definition.
448 (Versions::add_def): Check that base version is not needed.
449 (Versions::add_need): Define base version lazily.
450 * dynobj.h (Versions::define_base_version): New method declaration.
451 (Versions::needs_base_version_): New data member declaration.
452 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
453 (check_DATA): Add no_version_test.stdout.
454 (libno_version_test.so, no_version_test.o no_version_test.stdout):
456 * testsuite/Makefile.in: Regenerate.
457 * testsuite/no_version_test.c: New file.
458 * testsuite/no_version_test.sh: Ditto.
460 2009-10-16 Doug Kwan <dougkwan@google.com>
462 * expression.cc (class Segment_start_expression): New class definition.
463 (Segment_start_expression::value): New method definition.
464 (script_exp_function_segment_start): Return a new
465 Segment_start_expression.
466 * gold/script-c.h (script_saw_segment_start_expression): New function
468 * script-sections.cc (Script_sections::Script_sections): Initialize
469 SAW_SEGMENT_START_EXPRESSION_ to false.
470 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
471 and -Tbbs options to specify section addresses if given in
472 command line and no SEGMENT_START expression is seen in a script.
473 * script-sections.h (Script_sections::saw_segment_start_expression,
474 Script_sections::set_saw_segment_start_expression): New method
476 (Script_sections::saw_segment_start_expression_): New data member
478 * script.cc (script_saw_segment_start_expression): New function.
479 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
480 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
481 script_test_7.sh and script_test_8.sh.
482 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
483 script_test_8.stdout.
484 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
485 (script_test_6, script_test_6.stdout, script_test_7,
486 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
487 * Makefile.in: Regenerate.
488 * testsuite/script_test_6.sh: New file.
489 * testsuite/script_test_6.t: Same.
490 * testsuite/script_test_7.sh: Same.
491 * testsuite/script_test_7.t: Same.
492 * testsuite/script_test_8.sh: Same.
494 2009-10-16 Doug Kwan <dougkwan@google.com>
496 * output.cc (Output_segment::set_section_list_address): Cast
497 expressions to unsigned long long type to avoid format warnings.
499 2009-10-15 Ian Lance Taylor <iant@google.com>
501 * script.cc (Script_options::add_symbol_assignment): Always add a
502 dot assignment to script_sections_.
503 * script-sections.cc (Script_sections::add_dot_assignment):
504 Initialize if necessary.
506 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
507 program headers with no load segment if there is a linker script.
509 * layout.cc (Layout::set_segment_offsets): Align the file offset
510 to the segment aligment for -N or -n with no load segment.
511 * output.cc (Output_segment::add_output_section): Don't crash if
512 the first section is a TLS section.
513 (Output_segment::set_section_list_addresses): Print an error
514 message if the address moves backward in a linker script.
516 (Output_section_element_input::set_section_addresses): Don't
517 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
518 (Orphan_output_section::set_section_addresses): Likewise.
520 2009-10-15 Doug Kwan <dougkwan@google.com>
522 * layout.cc (Layout::finish_dynamic_section): Generate tags
523 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
524 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
525 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
527 2009-10-14 Ian Lance Taylor <iant@google.com>
529 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
531 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
532 data_shdr fields of relinfo.
533 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
534 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
535 R_386_TLS_LDO_32, adjust based on section flags.
536 (Target_i386::Relocate::fix_up_ldo): Remove.
538 2009-10-13 Ian Lance Taylor <iant@google.com>
540 Add support for -pie.
541 * options.h (class General_options): Add -pie and
543 (General_options::output_is_position_independent): Test -pie.
544 (General_options::output_is_executable): Return true if not shared
546 (General_options::output_is_pie): Remove.
547 * options.cc (General_options::finalize): Reject incompatible uses
549 * gold.cc (queue_middle_tasks): A -pie link is not static.
550 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
551 * symtab.cc (Symbol::final_value_is_known): Return false if
552 output_is_position_independent.
553 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
554 output_is_position_independent.
555 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
556 output_is_position_independent.
557 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
558 output_is_position_independent.
559 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
561 (basic_pie_test.o, basic_pie_test): New targets.
562 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
563 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
564 (two_file_pie_test): New target.
565 * testsuite/Makefile.in: Rebuild.
566 * README: Remove note saying that -pie is not supported.
568 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
570 * options.h (class General_options): Add -init and -fini.
571 * layout.cc (Layout::finish_dynamic_section): Emit
572 given init and fini functions.
574 2009-10-13 Sriraman Tallam <tmsriram@google.com>
576 * gc.h (gc_process_relocs): Check if icf is enabled using new
578 * gold.cc (queue_initial_tasks): Likewise.
579 (queue_middle_tasks): Likewise.
580 * object.cc (do_layout): Likewise.
581 * symtab.cc (is_section_folded): Likewise.
582 * main.cc (main): Likewise.
583 * reloc.cc (Read_relocs::run): Likewise.
584 (Sized_relobj::do_scan_relocs): Likewise.
585 * icf.cc (is_function_ctor_or_dtor): New function.
586 (Icf::find_identical_sections): Check if function is ctor or dtor when
588 * options.h (General_options::icf): Change option to be an enum.
589 (Icf_status): New enum.
590 (icf_enabled): New method.
591 (icf_safe_folding): New method.
592 (set_icf_status): New method.
593 (icf_status_): New variable.
594 * (options.cc) (General_options::finalize): Set icf_status_.
595 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
596 icf_test and icf_keep_unique_test to use the --icf enum flag.
597 * testsuite/icf_safe_test.sh: New file.
598 * testsuite/icf_safe_test.cc: New file.
600 2009-10-12 Sriraman Tallam <tmsriram@google.com>
602 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
603 includes to gc.h and icf.h.
604 * arm.cc: Include gc.h.
607 * powerpc.cc: Likewise.
608 * sparc.cc: Likewise.
609 * x86_64.cc: Likewise.
610 * gc.h: Include icf.h.
612 2009-10-11 Ian Lance Taylor <iant@google.com>
614 * plugin.cc: Include "gold.h" before other header files.
616 2009-10-10 Chris Demetriou <cgd@google.com>
618 * options.h (Input_file_argument::Input_file_type): New enum.
619 (Input_file_argument::is_lib_): Replace with...
620 (Input_file_argument::type_): New member.
621 (Input_file_argument::Input_file_argument): Take Input_file_type
622 'type' rather than boolean 'is_lib' as second argument.
623 (Input_file_argument::is_lib): Use type_.
624 (Input_file_argument::is_searched_file): New function.
625 (Input_file_argument::may_need_search): Handle is_searched_file.
626 * options.cc (General_options::parse_library): Support -l:filename.
627 (General_options::parse_just_symbols): Update for Input_file_argument
629 (Command_line::process): Likewise.
630 * archive.cc (Archive::get_file_and_offset): Likewise.
631 * plugin.cc (Plugin_manager::release_input_file): Likewise.
632 * script.cc (read_script_file, script_add_file): Likewise.
633 * fileread.cc (Input_file::Input_file): Likewise.
634 (Input_file::will_search_for): Handle is_searched_file.
635 (Input_file::open): Likewise.
636 * readsyms.cc (Read_symbols::get_name): Likewise.
637 * testsuite/Makefile.am (searched_file_test): New test.
638 * testsuite/Makefile.in: Regenerate.
639 * testsuite/searched_file_test.cc: New file.
640 * testsuite/searched_file_test_lib.cc: New file.
642 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
643 Ian Lance Taylor <iant@google.com>
645 * descriptor.cc: Include <cstdio> and "binary-io.h".
646 (Descriptors::open): Open the files in binary mode always.
647 * script.cc (Lex::get_token): Treat \r as whitespace.
649 2009-10-09 Ian Lance Taylor <iant@google.com>
651 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
653 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
654 Ian Lance Taylor <iant@google.com>
656 * configure.ac: Check for readv function also.
657 * fileread.cc (readv): Define if not HAVE_READV.
658 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
660 * config.in: Regenerate.
661 * configure: Regenerate.
663 2009-10-09 Doug Kwan <dougkwan@google.com>
665 * layout.cc (Layout::make_output_section): Call target hook to make
666 ordinary output section.
667 (Layout::finalize): Adjust parameter list of call the
669 * layout.h (class Layout::section_list): New method.
670 * merge.h (Output_merge_base::entsize): Change visibility to public.
671 (Output_merge_base::is_string, Output_merge_base::do_is_string):
673 (Output_merge_string::do_is_string): New method.
674 * object.cc (Sized_relobj::do_setup): renamed from
675 Sized_relobj::set_up.
676 * object.h (Sized_relobj::adjust_shndx,
677 Sized_relobj::initializ_input_to_output_maps,
678 Sized_relobj::free_input_to_output_maps): Change visibilities to
680 (Sized_relobj::setup): Virtualize.
681 (Sized_relobj::do_setup): New method declaration.
682 (Sized_relobj::invalidate_section_offset,
683 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
684 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
685 * options.cc (parse_int): New function.
686 * options.h (parse_int): New declaration.
687 (DEFINE_int): New macro.
688 (stub_group_size): New option.
689 * output.cc (Output_section::Output_section): Initialize memebers
690 merge_section_map_, merge_section_by_properties_map_,
691 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
692 (Output_section::add_input_section): Handled deferred code-fill
693 generation and remove an old comment.
694 (Output_section::add_relaxed_input_section): New method definition.
695 (Output_section::add_merge_input_section): Use merge section by
696 properties map to speed to search. Update merge section maps
698 (Output_section::build_relaxation_map): New method definition.
699 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
701 (Output_section::relax_input_section): Renamed to
702 Output_section::convert_input_sections_to_relaxed_sections and change
703 interface to take a vector of pointers to relaxed sections.
704 (Output_section::find_merge_section,
705 Output_section::find_relaxed_input_section): New method definitions.
706 (Output_section::is_input_address_mapped,
707 Output_section::output_offset, Output_section::output_address):
708 Use output section data maps to speed up searching.
709 (Output_section::find_starting_output_address): Add comments.
710 (Output_section::do_write,
711 Output_section::write_to_postprocessing_buffer): Do code-fill
712 generation as appropriate.
713 (Output_section::get_input_sections): Invalidate relaxed input section
715 (Output_section::restore_states): Adjust type of checkpoint .
716 Invalidate relaxed input section map.
717 * output.h (Output_merge_base): New class declaration.
718 (Input_section_specifier): New class defintion.
719 (class Output_relaxed_input_section) Change base class to
720 Output_section_data_build.
721 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
722 base class initializer.
723 (Output_section::add_relaxed_input_section): New method declaration.
724 (Output_section::Input_section): Change visibility to protected.
725 (Output_section::Input_section::relobj,
726 Output_section::Input_section::shndx): Handle relaxed input sections.
727 Output_section::input_sections) Change visibility to protected. Also
728 define overload to return a non-const pointer.
729 (Output_section::Merge_section_properties): New class defintion.
730 (Output_section::Merge_section_by_properties_map,
731 Output_section::Output_section_data_by_input_section_map,
732 Output_section::Relaxation_map): New types.
733 (Output_section::relax_input_section): Rename method to
734 Output_section::convert_input_sections_to_relaxed_sections and change
735 interface to take a vector of relaxed section pointers.
736 (Output_section::find_merge_section,
737 Output_section::find_relaxed_input_section,
738 Output_section::build_relaxation_map,
739 Output_section::convert_input_sections_in_list_to_relaxed_sections):
740 New method declarations.
741 (Output_section::merge_section_map_
742 Output_section::merge_section_by_properties_map_,
743 Output_section::relaxed_input_section_map_,
744 Output_section::is_relaxed_input_section_map_valid_,
745 Output_section::generate_code_fills_at_write_): New data members.
747 (Output_section_element_input::set_section_addresses): Call
748 current_data_size and addralign methods of relaxed input sections.
749 (Orphan_output_section::set_section_addresses): Call current_data_size
750 and addralign methods of relaxed input sections.
751 * symtab.cc (Symbol_table::compute_final_value): Extract template
752 from the body of Symbol_table::sized_finalize_symbol.
753 (Symbol_table::sized_finalized_symbol): Call
754 Symbol_table::compute_final_value.
755 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
756 (Symbol_table::compute_final_value): New templated method declaration.
757 * target.cc (Target::do_make_output_section): New method defintion.
758 * target.h (Target::make_output_section): New method declaration.
759 (Target::relax): Add more parameters for input objects, symbol table
760 and layout. Adjust call to do_relax.
761 (Target::do_make_output_section): New method declaration.
762 (Target::do_relax): Add parameters for input objects, symbol table
765 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
767 * pread.c: Include stdio.h.
769 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
771 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
774 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
776 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
777 Change read_shndx type to unsigned int.
778 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
780 (Sized_dwarf_line_info::read_line_mappings): Likewise.
781 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
782 Change read_shndx type to unsigned int.
783 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
785 (Sized_dwarf_line_info::read_line_mappings): Likewise.
786 * layout.cc (Layout::create_symtab_sections): Cast the result of
787 local_symcount * symsize to off_t in the gold_assert.
789 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
791 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
792 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
794 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
795 (Arm_relocate_functions::thm_abs5): New function.
796 (Arm_relocate_functions::abs12): New function.
797 (Arm_relocate_functions::abs16): New function.
798 (Arm_relocate_functions::base_abs): New function.
799 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
800 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
801 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
803 (Scan::global): Likewise.
804 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
805 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
806 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
807 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
810 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
812 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
813 (Arm_relocate_functions::movt_prel): New function.
814 (Arm_relocate_functions::thm_movw_prel_nc): New function.
815 (Arm_relocate_functions::thm_movt_prel): New function.
816 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
817 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
818 (Scan::global, Relocate::relocate): Likewise.
819 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
821 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
823 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
825 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
827 (class Incremental_inputs_header): New class.
828 (Incremental_inputs_header_writer): Edit comment.
829 (Incremental_inputs_entry): New class.
830 (Incremental_inputs_entry_writer): Edit comment.
831 (Sized_incremental_binary::do_find_incremental_inputs_section):
832 Add *strtab_shndx parameter, fill it.
833 (Sized_incremental_binary::do_check_inputs): New method.
834 (Incremental_checker::can_incrementally_link_output_file): Use
835 Sized_incremental_binary::check_inputs.
836 (Incremental_inputs::report_command_line): Save command line in
839 (Incremental_binary::find_incremental_inputs_section): New
841 (Incremental_binary::do_find_incremental_inputs_section): Add
842 strtab_shndx parameter.
843 (Incremental_binary::do_check_inputs): New pure virtual method.
844 (Sized_incremental_binary::do_check_inputs): Declare.
845 (Incremental_checker::Incremental_checker): Add incremental_inputs
846 parameter, use it to initialize incremental_inputs_.
847 (Incremental_checker::incremental_inputs_): New field.
848 (Incremental_checker::command_line): New method.
849 (Incremental_checker::inputs): New method.
850 (Incremental_checker::command_line_): New field.
852 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
854 * incremental.cc: Include <cstdarg> and "target-select.h".
855 (vexplain_no_incremental): New function.
856 (explain_no_incremental): New function.
857 (Incremental_binary::error): New method.
858 (Sized_incremental_binary::do_find_incremental_inputs_section): New
860 (make_sized_incremental_binary): New function.
861 (open_incremental_binary): New function.
862 (can_incrementally_link_file): Add checks if output is ELF and has
864 * incremental.h: Include "elfcpp_file.h" and "output.h".
865 (Incremental_binary): New class.
866 (Sized_incremental_binary): New class.
867 (open_incremental_binary): Declare.
868 * object.cc (is_elf_object): Use
869 elfcpp::Elf_recognizer::is_elf_file.
870 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
871 * output.h (Output_file::filesize): New method.
873 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
875 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
877 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
878 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
880 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
882 (Arm_relocate_functions::movw_abs_nc): New function.
883 (Arm_relocate_functions::movt_abs): New function.
884 (Arm_relocate_functions::thm_movw_abs_nc): New function.
885 (Arm_relocate_functions::thm_movt_abs): New function.
886 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
887 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
888 (Scan::global): Likewise.
889 (Relocate::relocate): Likewise.
890 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
892 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
894 * arm.cc (Arm_relocate_functions::got_prel) New function.
895 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
896 (Relocate::relocate): Likewise.
897 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
899 2009-10-06 Ian Lance Taylor <iant@google.com>
901 * options.h (class General_options): Define
902 split_stack_adjust_size parameter.
903 * object.h (class Object): Add uses_split_stack_ and
904 has_no_split_stack_ fields. Add uses_split_stack and
905 has_no_split_stack accessor functions. Declare
906 handle_split_stack_section.
907 (class Reloc_symbol_changes): Define.
908 (class Sized_relobj): Define Function_offsets. Declare
909 split_stack_adjust, split_stack_adjust_reltype, and
911 * object.cc (Object::handle_split_stack_section): New function.
912 (Sized_relobj::do_layout): Call handle_split_stack_section.
913 * dynobj.cc (Sized_dynobj::do_layout): Call
914 handle_split_stack_section.
915 * reloc.cc (Sized_relobj::relocate_sections): Call
916 split_stack_adjust for executable sections in split_stack
917 objects. Pass reloc_map to relocate_section.
918 (Sized_relobj::split_stack_adjust): New function.
919 (Sized_relobj::split_stack_adjust_reltype): New function.
920 (Sized_relobj::find_functions): New function.
921 * target-reloc.h: Include "object.h".
922 (relocate_section): Add reloc_symbol_changes parameter. Change
924 * target.h (class Target): Add calls_non_split method. Declare
925 do_calls_non_split virtual method. Declare match_view and
927 * target.cc: Include "elfcpp.h".
928 (Target::do_calls_non_split): New function.
929 (Target::match_view): New function.
930 (Target::set_view_to_nop): New function.
931 * gold.cc (queue_middle_tasks): Give an error if mixing
932 split-stack and non-split-stack objects with -r.
933 * i386.cc (Target_i386::relocate_section): Add
934 reloc_symbol_changes parameter.
935 (Target_i386::do_calls_non_split): New function.
936 * x86_64.cc (Target_x86_64::relocate_section): Add
937 reloc_symbol_changes parameter.
938 (Target_x86_64::do_calls_non_split): New function.
939 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
941 * powerpc.cc (Target_powerpc::relocate_section): Add
942 reloc_symbol_changes parameter.
943 * sparc.cc (Target_sparc::relocate_section): Add
944 reloc_symbol_changes parameter.
945 * configure.ac: Call AM_CONDITIONAL for the default target.
946 * configure: Rebuild.
947 * testsuite/Makefile.am (TEST_AS): New variable.
948 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
949 (check_DATA): Add split_i386 and split_x86_64 files.
950 (SPLIT_DEFSYMS): Define.
951 (split_i386_[1234n].o): New targets.
952 (split_i386_[124]): New targets.
953 (split_i386_[1234r].stdout): New targets.
954 (split_x86_64_[1234n].o): New targets.
955 (split_x86_64_[124]): New targets.
956 (split_x86_64_[1234r].stdout): New targets.
957 (MOSTLYCLEANFILES): Add new executables.
958 * testsuite/split_i386.sh: New file.
959 * testsuite/split_x86_64.sh: New file.
960 * testsuite/split_i386_1.s: New file.
961 * testsuite/split_i386_2.s: New file.
962 * testsuite/split_i386_3.s: New file.
963 * testsuite/split_i386_4.s: New file.
964 * testsuite/split_i386_n.s: New file.
965 * testsuite/split_x86_64_1.s: New file.
966 * testsuite/split_x86_64_2.s: New file.
967 * testsuite/split_x86_64_3.s: New file.
968 * testsuite/split_x86_64_4.s: New file.
969 * testsuite/split_x86_64_n.s: New file.
970 * testsuite/testfile.cc (Target_test): Update relocation_section
972 * testsuite/Makefile.in: Rebuild.
974 2009-10-06 Ian Lance Taylor <iant@google.com>
976 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
977 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
978 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
979 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
980 the address on ldo_addrs_.
981 (Target_i386::Relocate::fix_up_ldo): New function.
983 2009-10-06 Rafael Espindola <espindola@google.com>
985 * plugin.cc (add_input_library): New.
986 (Plugin::load): Add add_input_library to tv.
987 (Plugin_manager::add_input_file): Add the is_lib argument.
988 (add_input_file): Update call to Plugin_manager::add_input_file.
989 (add_input_library): New.
990 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
992 2009-09-30 Doug Kwan <dougkwan@google.com>
994 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
995 symbol and call Symbol::may_need_copy_reloc to determine if
996 a copy reloc is needed.
997 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
998 nocopyreloc is given in command line.
999 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1000 given in command line.
1001 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1002 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1003 of the removed Target_i386::may_need_copy_reloc.
1004 * options.h (copyreloc): New option with default value false.
1005 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1006 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1007 instead of the removed Target_powerpc::may_need_copy_reloc.
1008 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1009 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1010 instead of the removed Target_sparc::may_need_copy_reloc.
1011 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1012 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1013 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1014 instead of the removed Target_x86_64::may_need_copy_reloc.
1016 2009-09-30 Ian Lance Taylor <iant@google.com>
1018 * object.h (class Object): Remove target_ field, and target,
1019 sized_target, and set_target methods.
1020 (Object::sized_target): Remove.
1021 (class Sized_relobj): Update declarations. Remove sized_target.
1022 * object.cc (Sized_relobj::setup): Remove target parameter.
1024 (Input_objects::add_object): Don't do anything with the target.
1025 (make_elf_sized_object): Add punconfigured parameter. Change all
1026 callers. Set or test parameter target.
1027 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1029 * parameters.cc (Parameters::set_target): Change parameter type to
1031 (Parameters::default_target): Remove.
1032 (set_parameters_target): Change parameter type to be non-const.
1033 (parameters_force_valid_target): New function.
1034 (parameters_clear_target): New function.
1035 * parameters.h (class Parameters): Update declarations. Remove
1036 default_target method. Add sized_target and clear_target
1037 methods. Change target_ to be non-const.
1038 (set_parameters_target): Update declaration.
1039 (parameters_force_valid_target): Declare.
1040 (parameters_clear_target): Declare.
1041 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1042 as NULL if we aren't searching.
1043 (Add_symbols::run): Don't check for compatible target.
1044 * fileread.cc (Input_file::open_binary): Call
1045 parameters_force_valid_target.
1046 * gold.cc (queue_middle_tasks): Likewise.
1047 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
1048 set_target on object.
1049 * dynobj.h (class Sized_dynobj): Update declarations.
1050 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1051 make_elf_object returns NULL.
1052 (Archive::include_member): Don't check whether object target is
1054 * output.cc (Output_section::add_input_section): Get target from
1056 (Output_section::relax_input_section): Likewise.
1057 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1059 (Sized_relobj::do_scan_relocs): Likewise.
1060 (Sized_relobj::relocate_sections): Likewise.
1061 * resolve.cc (Symbol_table::resolve): Likewise.
1062 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
1063 parameter. Change all callers.
1064 (Symbol_table::add_from_object): Get target from parameters.
1065 (Symbol_table::add_from_relobj): Don't check object target.
1066 (Symbol_table::add_from_dynobj): Likewise.
1067 (Symbol_table::define_special_symbol): Get target from
1069 * symtab.h (class Symbol_table): Update declaration.
1070 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1071 parameter. Change all callers. Clear parameter target.
1072 (Binary_test): Test target here.
1073 * testsuite/object_unittest.cc (gold_testsuite): Remove
1074 target_test_pointer parameter. Change all callers.
1075 (Object_test): Test target here.
1077 2009-09-26 Ian Lance Taylor <iant@google.com>
1079 * testsuite/initpri1.c: Don't try to use constructor priorities if
1080 compiling with gcc before 4.3.
1082 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
1084 * testsuite/retain_symbols_file_test.sh (check_present): Change
1085 output file name to retain_symbols_file_test.stdout.
1086 (check_absent): Likewise.
1088 2009-09-18 Craig Silverstein <csilvers@google.com>
1090 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1091 * options.cc: Include <cerrno> and <fstream>.
1092 (General_options::finalize): Parse -retain-symbols-file tag.
1093 * options.h: New flag.
1094 (General_options): New method should_retain_symbol, new
1095 variable symbols_to_retain.
1096 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1097 should_retain_symbol map.
1098 * testsuite/Makefile.am (retain_symbols_file_test): New test.
1099 * testsuite/Makefile.in: Regenerate.
1100 * testsuite/retain_symbols_file_test.sh: New file.
1102 2009-09-18 Nick Clifton <nickc@redhat.com>
1104 * po/es.po: Updated Spanish translation.
1106 2009-09-17 Doug Kwan <dougkwan@google.com>
1108 * debug.h (DEBUG_RELAXATION): New constant.
1109 (DEBUG_ALL): Add DEBUG_RELAXATION.
1110 (debug_string_to_enum): Add relaxation debug option.
1112 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1113 Layout::Relaxation_debug_check::read_sections,
1114 Layout::Relaxation_debug_check::read_sections): New method definitions.
1115 (Layout::Layout): Initialize data members
1116 record_output_section_data_from_scrips_,
1117 script_output_section_data_list_ and relaxation_debug_check_.
1118 (Layout::save_segments, Layout::restore_segments,
1119 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1120 Layout::relaxation_loop_body): New method definitions.
1121 (Layout::finalize): Support relaxation. Move section layout code to
1122 Layout::relaxation_loop_body.
1123 (Layout::set_asection_address_from_script): Move code for orphan
1124 section placement out.
1125 (Layout::place_orphan_sections_in_script): New method definition.
1126 * layout.h (Output_segment_headers, Output_file_header):
1127 New forward class declarations.
1128 (Layout::~Layout): Define.
1129 (Layout::new_output_section_data_from_script): New method definition.
1130 (Layout::place_orphan_sections_in_script): New method declaration.
1131 (Layout::Segment_states): New type declaration.
1132 (Layout::save_segments, Layout::restore_segments,
1133 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1134 Layout::relaxation_loop_body): New method declarations.
1135 (Layout::Output_section_data_list): New type declaration.
1136 (Layout::Relaxation_debug_check): New class definition.
1137 (Layout::record_output_section_data_from_script_,
1138 Layout::script_output_section_data_list_, Layout::segment_states_,
1139 Layout::relaxation_debug_check_): New data members.
1140 * output.cc: (Output_section_headers::do_size): New method definition.
1141 (Output_section_headers::Output_section_headers): Move size
1142 computation to Output_section_headers::do_size.
1143 (Output_segment_headers::do_size): New method definition.
1144 (Output_file_header::Output_file_header): Move size computation to
1145 Output_file_header::do_size and call it.
1146 (Output_file_header::do_size): New method definition.
1147 (Output_data_group::Output_data_group): Adjust call to
1148 Output_section_data.
1149 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1150 (Output_symtab_xindex::do_write): Add array bound check.
1151 (Output_section::Input_section::print_to_mapfile): Handle
1152 RELAXED_INPUT_SECTION_CODE.
1153 (Output_section::Output_section): Initialize data member checkpoint_.
1154 (Output_section::~Output_section): Delete checkpoint object pointed
1156 (Output_section::add_input_section): Always add an Input_section if
1158 (Output_section::add_merge_input_section): Add assert.
1159 (Output_section::relax_input_section): New method definition.
1160 (Output_section::set_final_data_size): Set load address to zero for
1161 an unallocated section.
1162 (Output_section::do_address_and_file_offset_have_reset_values):
1163 New method definition.
1164 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1165 Handle relaxed input section.
1166 (Output_section::sort_attached_input_sections): Checkpoint input
1167 section list lazily.
1168 (Output_section::get_input_sections): Change type of input_sections to
1169 list of Simple_input_section pointers. Checkpoint input section list
1170 lazily. Also handle relaxed input sections.
1171 (Output_section::add_input_section_for_script): Take a reference to
1172 a Simple_input_section object instead of Relobj pointer and section
1173 index as parameter. Handle relaxed input sections.
1174 (Output_section::save_states, Output_section::restore_states): New
1176 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1177 (Output_data::is_data_size_fixed): New method definition.
1178 (Output_data::reset_addresss_and_file_offset): Do not reset data size
1180 (Output_data::address_and_file_offset_have_reset_values): New method
1182 (Output_data::do_address_and_file_offset_have_reset_values): New method
1184 (Output_data::set_data_size): Check that data size is not fixed.
1185 (Output_data::fix_data_size): New method definition.
1186 (Output_data::is_data_size_fixed_): New data member.
1187 (Output_section_headers::set_final_data_size): New method definition.
1188 (Output_section_headers::do_size): New method declaration.
1189 (Output_segment_headers::set_final_data_size): New method definition.
1190 (Output_segment_headers::do_size): New method declaration.
1191 (Output_file_header::set_final_data_size)::New method definition.
1192 (Output_file_header::do_size)::New method declaration.
1193 (Output_section_data::Output_section_data): Add new parameter
1194 is_data_size_fixed and use it to fix data size.
1195 (Output_data_const::Output_data_const): Adjust call to base class
1196 constructor and fix data size.
1197 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1198 base class constructor and fix data size.
1199 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1200 base class constructor and fix data size.
1201 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1202 class constructor and fix data size.
1203 (Output_data_group::set_final_data_size): New method definition.
1204 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1205 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1206 class constructor and fix data size.
1207 (Output_relaxed_input_section): New class definition.
1208 (Output_section::Simple_input_section): New class definition.
1209 (Output_section::get_input_sections): Adjust parameter list.
1210 (Output_section::add_input_section_for_script): Same.
1211 (Output_section::save_states, Output_section::restore_states,
1212 Output_section::do_address_and_file_offset_have_reset_values,
1213 (Output_section::Input_section::Input_section): Handle
1214 RELAXED_INPUT_SECTION_CODE. Add new overload for
1215 Output_relaxed_input_section.
1216 (Output_section::Input_section::is_input_section,
1217 Output_section::Input_section::set_output_section): Handle relaxed
1219 (Output_section::Input_section::is_relaxed_input_section,
1220 Output_section::Input_section::output_section_data,
1221 Output_section::Input_section::relaxed_input_section): New method
1223 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1225 (Output_section::Input_section::u1_): Update comments.
1226 (Output_section::Input_section::u2_): Add new union member poris.
1227 (Output_section::Checkpoint_output_section): New classs definition.
1228 (Output_section::relax_input_section): New method declaration.
1229 (Output_section::checkpoint_): New data member.
1230 (Output_segment): Update comments.
1231 (Output_segment::Output_segment): Un-privatize copy constructor.
1232 (Output_segment::operator=): Un-privatize.
1233 * script-sections.cc (Output_section_element::Input_section_list):
1234 Change element type to Output_section::Simple_input_section.
1235 (Output_section_element_dot_assignment::set_section_addresses):
1236 Register output section data for relaxation clean up.
1237 (Output_data_exression::Output_data_expression): Adjust call to base
1238 constructor to fix data size.
1239 (Output_section_element_data::set_section_addresses): Register
1240 Output_data_expression object for relaxation clean up.
1241 (struct Input_section_info): Replace Relobj pointer and section index
1242 pair with Output_section::Simple_input_section and Convert struct to a
1244 (Input_section_sorter::operator()): Adjust access to
1245 Input_section_info data member to use accessors.
1246 (Output_section_element_input::set_section_addresses): Use layout
1247 parameter. Adjust code to use Output_section::Simple_input_section
1248 and Input_secction_info classes. Register filler for relaxation
1250 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1251 and section index pair with Output_section::Simple_input_section
1252 class. Adjust code accordingly.
1253 (Phdrs_element::release_segment): New method definition.
1254 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1256 (Script_sections::release_segments): New method definition.
1257 * gold/script-sections.h (Script_sections::release_segments): New
1259 * gold/target.h (Target::may_relax, Target::relax,
1260 Target::do_may_relax, Target::do_relax): New method definitions.
1262 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1264 * arm.cc (has_signed_unsigned_overflow): New function.
1265 (Arm_relocate_functions::abs8): New function.
1266 (Target_arm::Scan::local): Handle R_ARM_ABS8.
1267 (Target_arm::Scan::global): Likewise.
1268 (Target_arm::relocate::relocate): Likewise.
1269 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1272 2009-09-16 Cary Coutant <ccoutant@google.com>
1274 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1275 * testsuite/Makefile.in: Regenerate.
1277 2009-09-11 Nick Clifton <nickc@redhat.com>
1279 * po/gold.pot: Updated by the Translation project.
1281 2009-09-08 Cary Coutant <ccoutant@google.com>
1283 * output.cc (Output_file::open): Add execute permission to empty file.
1284 * testsuite/Makefile.am (permission_test): New test.
1285 * testsuite/Makefile.in: Regenerate.
1287 2009-09-02 Ian Lance Taylor <iant@google.com>
1289 * output.cc (Output_file::resize): Call map_no_anonymous rather
1292 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
1294 * gold.cc: Include "incremental.h".
1295 (queue_initial_tasks): Call Incremental_checker methods.
1296 * incremental.cc: Include "output.h".
1297 (Incremental_checker::can_incrementally_link_output_file): New
1299 * incremental.h (Incremental_checker): New class.
1301 * output.cc (Output_file::open_for_modification): New method.
1302 (Output_file::map_anonymous): Changed return type to bool. Record
1304 (Output_file::map_no_anonymous): New method, broken out of map.
1305 (Output_file::map): Use map_no_anonymous and map_anonymous.
1306 * output.h (class Output_file): Update declarations.
1308 2009-08-24 Cary Coutant <ccoutant@google.com>
1310 * options.h (Command_line::Pre_options): New class.
1311 (Command_line::pre_options): New member.
1312 * options.cc (gold::options::ready_to_register): New variable.
1313 (One_option::register_option): Do nothing if not registering options.
1314 Assert if same short option registered twice.
1315 (General_options::General_options): Turn off option registration when
1317 (Command_line::Pre_options::Pre_options): New constructor.
1319 2009-08-24 Cary Coutant <ccoutant@google.com>
1321 * options.h (General_options::no_keep_memory): Remove incorrect
1324 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1326 * Makefile.am (am__skiplex, am__skipyacc): New.
1327 * Makefile.in: Regenerate.
1329 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1331 * Makefile.am (AM_CPPFLAGS): Renamed from ...
1332 (INCLUDES): ... this.
1333 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1334 (AM_CPPFLAGS): Renamed from ...
1335 (INCLUDE): ... this.
1336 * Makefile.in, testsuite/Makefile.in: Regenerate.
1338 * Makefile.in: Regenerate.
1339 * aclocal.m4: Likewise.
1340 * config.in: Likewise.
1341 * configure: Likewise.
1342 * testsuite/Makefile.in: Likewise.
1344 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1345 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1346 * Makefile.in: Regenerate.
1347 * testsuite/Makefile.in: Regenerate.
1349 2009-08-19 Cary Coutant <ccoutant@google.com>
1351 * resolve.cc (Symbol_table::resolve): Don't complain about defined
1352 symbols in shared libraries overridden by hidden or internal symbols
1353 in the main program.
1355 2009-08-19 Chris Demetriou <cgd@google.com>
1357 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1358 checking source file names in error messages.
1360 2009-08-18 Doug Kwan <dougkwan@google.com>
1362 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1363 an elcpp::Ehdr as parameter. Adjust call to set_target.
1364 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1365 an elfcpp::Ehdr as parameter.
1366 * object.cc (Object::set_target): Remove the version that looks up
1367 a target and sets it.
1368 (Sized_relobj::setup): Take a Target object instead of
1369 an elfcpp::Ehdr as parameter. Adjust call to set_target.
1370 (make_elf_sized_object): Find target and ask target to
1372 * object.h: (Object::set_target): Remove the version that looks up
1373 a target and sets it.
1374 (Sized_relobj::setup): Take a Target object instead of
1375 an elfcpp:Ehdr as parameter.
1376 * target.cc: Include dynobj.h.
1377 (Target::do_make_elf_object_implementation): New.
1378 (Target::do_make_elf_object): New.
1379 * target.h (Target::make_elf_object): New template declaration.
1380 (Target::do_make_elf_object): New method declarations.
1381 (Target::do_make_elf_object_implementation): New template declaration.
1383 2009-08-14 Ian Lance Taylor <iant@google.com>
1385 * gold.h (FUNCTION_NAME): Define.
1386 (gold_unreachable): Use FUNCTION_NAME.
1388 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1390 * icf.cc (Icf::find_identical_sections): Issue a warning when a
1391 symbol in the --keep-unique list is not found.
1393 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1395 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1396 been maked as --keep-unique.
1397 (Icf::unfold_section): New function.
1398 * icf.h (Icf::unfold_section): New function.
1399 * options.h (General_options::keep_unique): New option.
1400 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1401 * testsuite/Makefile.in: Regenerate.
1402 * testsuite/icf_keep_unique_test.sh: New file.
1403 * testsuite/icf_keep_unique_test.cc: New file.
1405 2009-08-12 Cary Coutant <ccoutant@google.com>
1408 * resolve.cc (Symbol_table::resolve): Check for references from
1409 dynamic objects to hidden and internal symbols.
1410 * testsuite/Makefile.am (hidden_test.sh): New test.
1411 * testsuite/Makefile.in: Regenerate.
1412 * testsuite/hidden_test.sh: New script.
1413 * testsuite/hidden_test_1.c: New test source.
1414 * testsuite/hidden_test_main.c: New test source.
1416 2009-08-11 Doug Kwan <dougkwan@google.com>
1418 * arm.cc: Update comments.
1419 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1420 segment to locate the .ARM.exidx section if present.
1422 2009-08-09 Doug Kwan <dougkwan@google.com>
1424 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1427 2009-08-07 Sriraman Tallam <tmsriram@google.com>
1428 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1431 2009-08-06 Sriraman Tallam <tmsriram@google.com>
1433 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1434 valid tls_segment only for non-debug-section relocations.
1435 * testsuite/Makefile.am: Add gc_tls_test.
1436 * testsuite/Makefile.in: Regenerate.
1437 * testsuite/gc_tls_test.cc: New file.
1438 * testsuite/gc_tls_test.sh: New file.
1440 2009-08-05 Sriraman Tallam <tmsriram@google.com>
1444 * Makefile.am (CCFILES): Add icf.cc.
1446 * Makefile.in: Regenerate.
1447 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1448 * gc.h (gc_process_relocs): Populate lists used by icf to contain
1449 section, symbol and addend information for the relocs.
1450 * gold.cc (queue_middle_tasks): Call identical code folding.
1451 * gold.h: Add defines for multimap.
1452 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1453 to the call of finalize_local_symbols.
1454 * main.cc (main): Create object of class Icf.
1455 * object.cc (Sized_relobj::do_layout): Allow this function to be
1456 called twice during icf.
1457 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1458 to sections marked as identical by icf.
1459 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1461 (Sized_relobj::do_section_entsize): New function.
1462 * object.h (Object::section_entsize): New function.
1463 (Object::do_section_entsize): New pure virtual function.
1464 (Relobj::finalize_local_symbols): Add new parameter.
1465 (Relobj::do_section_entsize): New function.
1466 * options.h (General_options::icf): New option.
1467 (General_options::icf_iterations): New option.
1468 (General_options::print_icf_sections): New option.
1469 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1470 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1471 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1473 * symtab.cc (Symbol_table::is_section_folded): New function.
1474 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
1475 to sections marked as identical by icf.
1476 * symtab.h (Symbol_table::set_icf): New function.
1477 (Symbol_table::icf): New function.
1478 (Symbol_table::is_section_folded): New function.
1479 (Symbol_table::icf_): New data member.
1480 * target-reloc.h (relocate_section): Ignore sections folded by icf.
1481 * testsuite/Makefile.am: Add commands to build icf_test.
1482 * testsuite/Makefile.in: Regenerate.
1483 * testsuite/icf_test.sh: New file.
1484 * testsuite/icf_test.cc: New file.
1486 2009-07-24 Chris Demetriou <cgd@google.com>
1488 * layout.cc (is_compressible_debug_section): Fix incorrect
1489 comment about compressed section names.
1491 2009-07-20 Ian Lance Taylor <ian@airs.com>
1494 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1496 2009-07-16 Ian Lance Taylor <iant@google.com>
1499 * layout.h: #include <map>.
1500 (class Kept_section): Change from struct to class. Add accessors
1501 and setters. Add section size to Comdat_group mapping. Change
1502 Comdat_group to std::map. Add is_comdat_ field. Add
1503 linkonce_size field in union.
1504 (class Layout): Update declaration of find_or_add_kept_section.
1505 Don't declare find_kept_object.
1506 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1507 parameter. Add object, shndx, is_comdat, and is_group_name
1508 parameters. Change all callers. Adjust for new Kept_section.
1509 (Layout::find_kept_object): Remove.
1510 * object.cc (Sized_relobj::include_section_group): Update use of
1511 Kept_section. Rename secnum to shndx. Only record
1512 Kept_comdat_section if sections are the same size.
1513 (Sized_relobj::include_linkonce_section): Update use of
1514 Kept_section. Only record Kept_comdat_section if sections are the
1515 same size. Set size of linkonce section.
1516 (Sized_relobj::map_to_kept_section): Update call to
1517 get_kept_comdat_section.
1518 * object.h (class Sized_relobj): Rename fields in
1519 Kept_comdat_section to drop trailing underscores; change object
1520 field to Relobj*. Change Kept_comdat_section_table to store
1521 struct rather than pointer.
1522 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1523 Add kept_object and kept_shndx parameters. Change all callers.
1524 (Sized_relobj::get_kept_comdat_section): Change return type to
1525 bool. Add kept_object and kept_shndx parameters. Change all
1527 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1528 Layout::find_or_add_kept_section.
1530 2009-07-09 Ian Lance Taylor <iant@google.com>
1532 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1533 Reserve space in the hash table.
1535 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1537 * fileread.cc (File_read::get_mtime): New method.
1538 * fileread.h (Timespec): New structure.
1539 (File_read::get_mtime): New method.
1540 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1541 Renamed from timestamp_nsec.
1542 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1544 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1546 (Incremental_inputs::report_archive): Save mtime; style fix.
1547 (Incremental_inputs::report_obejct): Save mtime; style fix.
1548 (Incremental_inputs::report_script): Save mtime; style fix.
1549 (Incremental_inputs::finalize_inputs): Style fix.
1550 (Incremental_inputs::finalize): Style fix.
1551 (Incremental_inputs::create_input_section_data): Store inputs
1553 * incremental.h (Incremental_inputs::report_script): Add mtime
1555 (Incremental_inputs::Input_info::Input_info): Intialize only one
1557 (Incremental_inputs::Input_info::archive): Move to nameless
1559 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1560 (Incremental_inputs::Input_info::script): Move to nameless union.
1561 (Incremental_inputs::mtime): New field.
1562 * script.cc (read_input_script): Pass file mtime to
1564 * script.h (Script_info::inputs): Style fix.
1566 2009-07-01 Ian Lance Taylor <ian@airs.com>
1568 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1571 2009-06-24 Ian Lance Taylor <iant@google.com>
1574 * layout.cc (Layout::choose_output_section): If we find an
1575 existing section, update the flags.
1576 (Layout::create_notes): New function, broken out of
1578 (Layout::finalize): Don't create note sections.
1579 (Layout::create_note): Don't crash if linker script discards
1581 (Layout::create_gold_note): Likewise.
1582 (Layout::create_build_id): Likewise. Don't set
1583 after_input_sections on the section.
1584 (Layout::create_executable_stack_info): Remove target parameter.
1586 * layout.h (class Layout): Declare create_notes. Update
1587 declaration of create_executable_stack_info.
1588 * gold.cc (queue_middle_tasks): Call create_notes.
1589 * output.cc (Output_section::update_flags_for_input_section): Move
1590 here from output.h. If SHF_ALLOC flag is newly set, mark address
1592 * output.h (Output_data::mark_address_invalid): New function.
1593 (class Output_section): Only declare, not define,
1594 update_flags_for_input_section. Remove set_flags.
1596 2009-06-24 Ian Lance Taylor <iant@google.com>
1598 * script-sections.cc (Output_section_definition::
1599 set_section_addresses): Rename shadowing local load_address to
1602 2009-06-24 Ian Lance Taylor <iant@google.com>
1605 * reloc.cc (relocate_sections): Skip empty relocation sections.
1607 2009-06-23 Ian Lance Taylor <iant@google.com>
1610 * layout.cc (Layout::create_note): Use choose_output_section
1611 rather than make_output_section.
1613 2009-06-23 Ian Lance Taylor <iant@google.com>
1616 * options.cc (General_options::parse_V): Set printed_version_.
1617 (General_options::General_options): Initialize printed_version_.
1618 * options.h (class General_options): Add printed_version_ field.
1619 * gold.cc (queue_initial_tasks): If there are no input files,
1620 don't give a fatal error if we printed the version information.
1621 (queue_middle_tasks): If using -r with a shared object, give a
1622 fatal error rather than an ordinary error.
1624 2009-06-23 Ian Lance Taylor <iant@google.com>
1627 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1628 (Layout::make_output_section): Set have_stabstr_section_ if we see
1629 a .stab*str section.
1630 (Layout::finalize): Call link_stabs_sections.
1631 (Layout::link_stabs_sections): New file.
1632 * layout.h (class Layout): Add have_stabstr_section_ field.
1633 Declare link_stabs_sections.
1635 2009-06-23 Doug Kwan <dougkwan@google.com>
1637 * Makefile.am (libgold_a_LIBADD): New.
1638 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1639 * Makefile.in: Regenerate.
1640 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1641 * configure: Regenerate.
1642 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1643 * fileread.cc: Include sys/state.h
1644 * gold.h: Declare memmem and strndup if found missing.
1645 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1647 2009-06-23 Ian Lance Taylor <iant@google.com>
1649 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1650 * configure: Rebuild.
1652 2009-06-23 Ian Lance Taylor <iant@google.com>
1655 * object.cc (Object::section_contents): Don't try to get a view if
1656 the section has length zero.
1657 (Object::handle_gnu_warning_section): If the section is empty, use
1658 the name of the section as the warning.
1660 2009-06-23 Ian Lance Taylor <iant@google.com>
1663 * stringpool.h (class Stringpool_template): Add optimize_ field.
1664 (Stringpool_template::set_optimize): New function.
1665 * stringpool.cc (Stringpool_template::Stringpool_template):
1666 Initialize optimize_ field.
1667 (Stringpool_template::set_string_offsets): Test local optimize
1668 fild rather than parameter.
1669 * layout.cc (Layout::Layout): Call set_optimize on the section
1672 2009-06-22 Ian Lance Taylor <iant@google.com>
1675 * yyscript.y: Parse TARGET.
1676 * script.cc (script_set_target): New function.
1677 * script-c.h (script_set_target): Declare.
1678 * options.cc (General_options::string_to_object_format): Rename
1679 from string_to_object_format in anonymous namespace. Change
1681 * options.h (class General_options): Declare
1682 string_to_object_format.
1684 2009-06-22 Ian Lance Taylor <iant@google.com>
1686 * script-sections.cc (Script_sections::create_segments): Don't put
1687 program headers in a PT_LOAD segment if -n or -N.
1689 2009-06-22 Ian Lance Taylor <iant@google.com>
1692 * options.h (class General_options): Add -z lazy and -z now. Sort
1693 -z options into alphabetical order.
1694 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1696 2009-06-21 Ian Lance Taylor <iant@google.com>
1698 * layout.cc (Layout::make_output_section): Call
1699 Target::new_output_section.
1700 (Layout::attach_allocated_section_to_segment): Put large section
1701 sections in a separate load segment with the large segment flag
1703 (Layout::segment_precedes): Sort large data segments after other
1705 (align_file_offset): New static function.
1706 (Layout::set_segment_offsets): Use align_file_offset.
1707 * output.h (class Output_section): Add is_small_section_ and
1708 is_large_section_ fields.
1709 (Output_section::is_small_section): New function.
1710 (Output_section::set_is_small_section): New function.
1711 (Output_section::is_large_section): New function.
1712 (Output_section::set_is_large_section): New function.
1713 (Output_section::is_large_data_section): New function.
1714 (class Output_segment): Add is_large_data_segment_ field.
1715 (Output_segment::is_large_data_segment): New function.
1716 (Output_segment::set_is_large_data_segment): New function.
1717 * output.cc (Output_section::Output_section): Initialize new
1719 (Output_segment::Output_segment): Likewise.
1720 (Output_segment::add_output_section): Add assertion that large
1721 data sections always go in large data segments. Force small data
1722 sections to the end of the list of data sections. Force small BSS
1723 sections to the start of the list of BSS sections. For large BSS
1724 sections to the end of the list of BSS sections.
1725 * symtab.h (class Symbol): Declare is_common_shndx.
1726 (Symbol::is_defined): Check Symbol::is_common_shndx.
1727 (Symbol::is_common): Likewise.
1728 (class Symbol_table): Define enum Commons_section_type. Update
1729 declarations. Add small_commons_ and large_commons_ fields.
1730 * symtab.cc (Symbol::is_common_shndx): New function.
1731 (Symbol_table::Symbol_table): Initialize new fields.
1732 (Symbol_table::add_from_object): Put small and large common
1733 symbols in the right list.
1734 (Symbol_table::sized_finalized_symbol): Check
1735 Symbol::is_common_shndx.
1736 (Symbol_table::sized_write_globals): Likewise.
1737 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1738 common symbol lists. Don't call do_allocate_commons_list if the
1740 (Symbol_table::do_allocate_commons_list): Remove is_tls
1741 parameter. Add comons_section_type parameter. Change all
1742 callers. Handle small and large common symbols.
1743 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1744 Symbol::is_common_shndx.
1745 * resolve.cc (symbol_to_bits): Likewise.
1746 * target.h (Target::small_common_shndx): New function.
1747 (Target::small_common_section_flags): New function.
1748 (Target::large_common_shndx): New function.
1749 (Target::large_common_section_flags): New function.
1750 (Target::new_output_section): New function.
1751 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1752 small_common_section_flags, and large_common_section_flags
1754 (Target::do_new_output_section): New virtual function.
1755 * arm.cc (Target_arm::arm_info): Initialize new fields.
1756 * i386.cc (Target_i386::i386_info): Likewise.
1757 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1759 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1760 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1761 (Target_x86_64::do_new_output_section): New function.
1762 * configure.ac: Define conditional MCMODEL_MEDIUM.
1763 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1764 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1765 (large_LDFLAGS): Define.
1766 * testsuite/large.c: New file.
1767 * testsuite/testfile.cc (Target_test::test_target_info):
1768 Initialize new fields.
1769 * configure, testsuite/Makefile.in: Rebuild.
1771 2009-06-05 Doug Kwan <dougkwan@google.com>
1773 * Makefile.am (CCFILES): Add target.cc.
1774 * Makefile.in: Regenerate.
1775 * i386.cc (class Target_i386): Define new virtual method to
1776 override do_is_local_label_name in parent.
1777 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1778 local symbols if --discard-locals or -X is given.
1779 * options.h (class General_options): Declare new options
1780 '--discard-locals' and '-X' for discarding locals.
1781 * target.h (class Target): Define new methods is_local_label_name.
1782 Declare new virtual method do_is_local_label_name.
1783 * target.cc: New file.
1784 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1785 (check_SCRIPTS): Add discard_locals_test.sh.
1786 (check_DATA): Add discard_local_tests.syms.
1787 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1788 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1789 * testsuite/Makefile.in: Regenerate.
1790 * testsuite/discard_locals_test.c: New file.
1791 * testsuite/discard_locals_test.sh: Same.
1793 2009-06-05 Doug Kwan <dougkwan@google.com>
1795 * object.cc (Sized_relobj::Sized_relobj): Initialize
1796 discarded_eh_frame_shndx_ to -1U.
1797 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1799 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1800 a discarded .eh_frame section.
1801 (Sized_relobj::do_finalize_local_symbols): Ditto.
1802 * object.h (class Sized_relobj): Declare new member
1803 discarded_eh_frame_shndx_.
1804 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1805 (local_labels_test.o, local_labels_test): New rules.
1806 * testsuite/Makefile.in: Regenerate.
1808 2009-06-04 Doug Kwan <dougkwan@google.com>
1810 * layout.cc (Layout::section_name_mapping): Add mapping for
1811 special ARM sections.
1813 2009-06-03 Doug Kwan <dougkwan@google.com>
1815 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1816 (utils::has_overflow): Same.
1818 2009-06-03 Ian Lance Taylor <iant@google.com>
1820 * layout.cc (Layout::section_name_mapping): New array, replacing
1821 Layout::linkonce_mapping.
1822 (Layout::section_name_mapping_count): New variable, replacing
1823 Layout::linkonce_mapping_count.
1824 (Layout::linkonce_output_name): Remove.
1825 (Layout::output_section_name): Rewrite.
1826 * layout.h (class Layout): Rename Linkonce_mapping to
1827 Section_name_mapping, linkonce_mapping to section_name_mapping,
1828 linkonce_mapping_count to section_name_mapping_count. Don't
1829 declare linkonce_output_name.
1831 2009-06-03 Doug Kwan <dougkwan@google.com>
1833 * gold/arm.cc (namespace utils): New.
1834 (Target_arm::reloc_is_non_pic): Define new method.
1835 (class Arm_relocate_functions): New.
1836 (Target_arm::Relocate::relocate): Handle relocation types used by
1839 2009-06-03 Ian Lance Taylor <iant@google.com>
1841 * arm.cc (Target_arm::scan::global): Use || instead of |.
1843 2009-06-02 Doug Kwan <dougkwan@google.com>
1845 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1846 issued_non_pic_error_.
1847 (class Target_arm::Scan): Declare new method check_non_pic.
1848 Define new method symbol_needs_plt_entry.
1849 Declare new data member issued_non_pic_error_.
1850 (class Target_arm::Relocate): Declare new method
1851 should_apply_static_reloc.
1852 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1853 (Target_arm::Scan::check_non_pic): Define new method.
1854 (Target_arm::Scan::local): Handle a small subset of reloc types used
1856 (Target_arm::Scan::local): Same.
1857 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1859 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1861 * incremental.cc (Incremental_inputs::report_command_line): Filter
1862 out --incremental-* options.
1864 2009-05-29 Doug Kwan <dougkwan@google.com>
1866 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1868 (class Target_arm): Update comment.
1869 (Target_arm::Target_arm): Initialize new data members GOT_,
1870 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1871 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1872 and Target_arm::rel_dyn_section.
1873 Declare new_enum Target_arm::Got_type.
1874 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1876 Update commments for member do_dynsym_value.
1877 (Target_arm::got_size, Target_arm::plt_section,
1878 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1879 new methods inside class defintion.
1880 (Target_arm::got_section): Define new method.
1881 (Target_arm::rel_dyn_section): Same.
1882 (Output_data_plt_arm): New template class.
1883 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1884 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1885 (Output_data_plt_arm::add_entry): Same.
1886 (Output_data_plt_arm::first_plt_entry): Define new
1887 static data member for PLT instruction template.
1888 (Output_data_plt_arm::plt_entry): Same.
1889 (Output_data_plt_arm::do_write): Define new method.
1890 (Target_arm::make_plt_entry): Same.
1891 (Target_arm::do_finalize_sections): Same.
1892 (Target_arm::do_dynsym_value): Same.
1894 2009-05-28 Doug Kwan <dougkwan@google.com>
1896 * Makefile.am (TARGETSOURCES): Add arm.cc.
1897 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1898 * Makefile.in: Regenerate.
1900 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1902 2009-05-26 Doug Kwan <dougkwan@google.com>
1904 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1905 (General_options::check_excluded_libs): Strip off directories in
1906 archive name before matching like GNU ld does.
1907 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1908 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1909 (exclude_libs_test_LDFLAGS): Add linker option
1910 -Wl,--exclude-libs,libexclude_libs_test_3
1911 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1912 an explicit archive without using -l.
1913 (alt/libexclude_libs_test_3.a): New make rule.
1914 * testsuite/Makefile.in: Regenerate.
1915 * testsuite/exclude_libs_test.c : Declare lib3_default().
1917 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1918 * exclude_libs_test_3.c: New file.
1920 2009-05-26 Nick Clifton <nickc@redhat.com>
1922 * po/id.po: New Indonesian translation.
1923 * po/gold.pot: Updated template file.
1925 2009-05-22 Sriraman Tallam <tmsriram@google.com>
1927 * testsuite/Makefile.am: Add -ffunction-sections to compile
1928 gc_comdat_test files. Add -Wl,--gc-sections to build
1930 * testsuite/Makefile.in: Regenerate.
1931 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1933 2009-05-21 Sriraman Tallam <tmsriram@google.com>
1935 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1936 kept comdat section was garbage collected.
1937 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1938 * testsuite/Makefile.in: Regenerate.
1939 * testsuite/gc_comdat_test.sh: New file.
1940 * testsuite/gc_comdat_test_1.cc: New file.
1941 * testsuite/gc_comdat_test_2.cc: New file.
1943 2009-05-19 Doug Kwan <dougkwan@google.com>
1945 * archive.cc (Archive::Archive): Move constructor from archive.h
1946 to here. Initialize no_export_.
1947 (Archive::get_elf_object_for_member): Set no_export flag of object.
1948 * archive.h (Archive::Archive): Move constructor body to
1950 (Archive::no_export): New method.
1951 (Archive::no_export_): New field.
1952 * object.h (Object::Object): Initialize no_export_ to false.
1953 (Object::no_export, Object::set_no_export): New methods.
1954 (Object::no_export_): New field.
1955 * options.cc (General_options::parse_exclude_libs): New method.
1956 (General_options::check_excluded_libs) Same.
1957 * options.h (exclude_libs): New option.
1958 (General_options::check_excluded_libs): New method declaration.
1959 (General_options::excluded_libs_): New field.
1960 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1961 default or protected visibility if an object has no-export flag set.
1962 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1963 (check_SCRIPTS): Add exclude_libs_test.sh.
1964 (check_DATA): Add exclude_libs_test.syms.
1965 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1966 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1967 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1968 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1969 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1970 libexclude_libs_test_2.a): New rules.
1971 * testsuite/Makefile.in: Regenerate.
1972 * testsuite/exclude_libs_test.c: New file.
1973 * testsuite/exclude_libs_test.sh: Ditto.
1974 * testsuite/exclude_libs_test_1.c: Ditto.
1975 * testsuite/exclude_libs_test_2.c: Ditto.
1977 2009-05-15 Ian Lance Taylor <iant@google.com>
1979 * configure.ac: Check for declarations for cases where libiberty.h
1980 checks HAVE_DECL_xxx.
1981 * configure, config.in: Rebuild.
1983 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1985 * gold.h (Incremental_argument_list): Remove (invalid) forward
1987 * incremental.cc (Incremental_inputs::report_achive): New method.
1988 (Incremental_inputs::report_object): New method.
1989 (Incremental_inputs::report_script): New method.
1990 (Incremental_inputs::finalize_inputs): New method.
1991 (Incremental_inputs::finalize): Call finalize_inputs().
1992 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1993 Create inputs entries.
1994 * incremental.h (Incremental_input_type): New enum.
1995 (Incremental_inputs::Incremental_input): Initialize new fields.
1996 (Incremental_inputs::report_inputs): New method.
1997 (Incremental_inputs::report_achive): New method.
1998 (Incremental_inputs::report_object): New method.
1999 (Incremental_inputs::report_script): New method.
2000 (Incremental_inputs::finalize_inputs): New method.
2001 (Incremental_inputs::Input_info): New struct.
2002 (Incremental_inputs::Input_info_map): New typedef.
2003 (Incremental_inputs::lock_): New field.
2004 (Incremental_inputs::Inputs_): New field.
2005 (Incremental_inputs::Inputs_map): New field.
2006 * main.cc (main): Call Incremental_input::report_inputs.
2007 * options.h (Input_argument_list): Typedef moved from
2009 (Input_file_group::Files): Remove, use ::Input_argument_list.
2010 (Input_file_group::Input_argument_list): Remove, use
2011 ::Input_argument_list.
2012 * plugin.cc (Plugin_manager::add_input_file): Add error in
2014 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2016 * script.cc (read_input_script): Call
2017 Incremental_input::report_script.
2018 * script.h (Script_info): New class.
2020 2009-04-27 Ian Lance Taylor <iant@google.com>
2022 * x86_64.cc (do_adjust_output_section): Set entsize to
2025 2009-04-23 Elliott Hughes <enh@google.com>
2027 * output.cc (Output_file::close): After short writes, continue
2028 writing from the correct offset in the buffer being written.
2030 2009-04-23 Chris Demetriou <cgd@google.com>
2032 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2033 * configure: Regenerate.
2034 * config.in: Regenerate.
2035 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2036 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2038 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
2040 * incremental.cc (Incremental_inputs_header_data): Renamed from
2041 Incremental_input_header_data.
2042 (Incremental_inputs_header_data::data_size): New field.
2043 (Incremental_inputs_header_data::put_input_file_count): Renamed
2044 from input_file_count.
2045 (Incremental_inputs_header_data::put_command_line_offset): Renamed
2046 from command_line_offset.
2047 (Incremental_inputs_header_data::put_reserved): Renamed from
2049 (Incremental_inputs_entry_data): Renamed from
2050 Incremental_input_entry_data.
2051 (Incremental_inputs_entry_data::data_size): New field.
2052 (Incremental_inputs::report_command_line): New method.
2053 (Incremental_inputs::finalize): New method.
2054 (Incremental_inputs::create_incremental_inputs_data): New method.
2055 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2056 * incremental.h: New file.
2057 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2058 (Layout::finalize): Create incremental inputs section in
2060 (Layout::create_incremental_info_sections): New method.
2061 * layout.h (Layout::incremental_inputs): New method.
2062 (Layout::create_incremental_info_sections): New method.
2063 (Layout::incremental_inputs_): New field.
2064 * main.cc (main): Notify Incremental_input of the command line.
2066 2009-04-01 Ian Lance Taylor <iant@google.com>
2067 Mikolaj Zalewski <mikolajz@google.com>
2069 * gold.h (reserve_unordered_map): Define, three versions, one for
2070 each version of Unordered_map.
2071 * layout.cc (Layout::Layout): Remove options parameter. Add
2072 number_of_input_files parameter. Don't initialize options_.
2073 Initialize number_of_input_files_ and resized_signatures_. Move
2074 sections_are_attached_.
2075 (Layout::layout_group): Reserve space for group_signatures_.
2076 (Layout::find_or_add_kept_section): Change name parameter to be a
2077 reference. Resize signatures_ map when it gets large enough.
2078 (Layout::layout_eh_frame): Use parameters->options() instead of
2080 (Layout::make_output_section): Likewise.
2081 (Layout::attach_allocated_section_to_segment): Likewise.
2082 (Layout::finalize, Layout::create_executable_stack): Likewise.
2083 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2084 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2085 * layout.h (class Layout): Update declarations. Remove options_
2086 field. Add number_of_input_files_ and resized_signatures_
2087 fields. Move sections_are_attached_ field.
2088 * main.cc (main): Pass number of input files to Layout
2089 constructor. Don't pass options.
2091 2009-03-30 Ian Lance Taylor <iant@google.com>
2093 * ffsll.c (ffsll): Correct implementation.
2095 2009-03-27 Ian Lance Taylor <iant@google.com>
2097 * ffsll.c: New file.
2098 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2099 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2100 * ftruncate.c (ftruncate): Declare before definition.
2101 * mremap.c (mremap): Likewise.
2102 * pread.c (pread): Likewise.
2103 * configure, Makefile.in, config.in: Rebuild.
2105 * mremap.c: New file.
2106 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2107 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2108 (mremap): Declare if HAVE_MREMAP is not defined.
2109 * configure, Makefile.in, config.in: Rebuild.
2111 2009-03-27 Cary Coutant <ccoutant@google.com>
2113 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2114 position independent.
2115 * sparc.cc (Target_sparc::check_non_pic): Likewise.
2116 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2118 2009-03-24 Cary Coutant <ccoutant@google.com>
2120 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2122 (needs_dynamic_reloc): Likewise.
2124 2009-03-24 Ian Lance Taylor <iant@google.com>
2126 * yyscript.y (file_cmd): Recognize EXTERN.
2127 (extern_name_list, extern_name_list_body): New nonterminals.
2128 * script.cc (script_add_extern): Define.
2129 * script-c.h (script_add_extern): Declare.
2131 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
2133 * object.cc (is_elf_object): Define.
2134 * object.h (is_elf_object): Declare.
2135 * archive.cc (Archive::get_elf_object_for_member): Call
2137 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2139 2009-03-24 Elliott Hughes <enh@google.com>
2141 * output.cc (Output_file::map_anonymous): Define.
2142 (Output_file::map): Use map_anonymous. If the regular mmap fails,
2143 try an anonymous one. Report the size if the mmap fails.
2144 * output.h (class Output_file): Declare map_anonymous.
2146 2009-03-24 Ian Lance Taylor <iant@google.com>
2148 * target-select.cc (instantiate_target): Don't acquire the lock if
2149 the instantiated_target_ field has already been set.
2151 2009-03-23 Ian Lance Taylor <iant@google.com>
2153 * gold-threads.h (class Initialize_lock): Define.
2154 * gold-threads.cc (class Initialize_lock_once): Define.
2155 (initialize_lock_control): New static variable.
2156 (initialize_lock_pointer): New static variable.
2157 (initialize_lock_once): New static function.
2158 (Initialize_lock::Initialize_lock): Define.
2159 (Initialize_lock::initialize): Define.
2160 * target-select.h: Include "gold-threads.h".
2161 (class Target_selector): Add lock_ and initialize_lock_ fields.
2162 Don't define instantiate_target, just declare it.
2163 * target-select.cc (Target_selector::Target_selector): Initialize
2165 (Target_selector::instantiate_target): Define.
2166 * descriptors.h: Include "gold-threads.h".
2167 (class Descriptors): Add initialize_lock_ field.
2168 * descriptors.cc (Descriptors::Descriptors): Initialize new
2170 (Descriptors::open): Use initialize_lock_ field
2171 * errors.h (class Errors): Add initialize_lock_ field.
2172 * errors.cc (Errors::Errors): Initialize new field.
2173 (Errors::initialize_lock): Use initialize_lock_ field.
2174 * powerpc.cc (class Target_selector_powerpc): Remove
2175 instantiated_target_ field. In do_recognize call
2176 instantiate_target rather than do_instantiate_target. In
2177 do_instantiate_target just allocate a new target.
2178 * sparc.cc (class Target_selector_sparc): Likewise.
2180 * freebsd.h: New file.
2181 * i386.cc: Include "freebsd.h".
2182 (Target_i386): Derive from Target_freebsd rather than
2184 (Target_selector_i386): Derive from Target_selector_freebsd rather
2185 than Target_selector.
2186 * x86_64.cc: Include "freebsd.h".
2187 (Target_x86_64): Derive from Target_freebsd rather than
2189 (Target_selector_x86_64): Derive from Target_selector_freebsd
2190 rather than Target_selector.
2191 * target.h (class Target): Add adjust_elf_header and
2192 do_adjust_elf_header.
2193 * output.cc (Output_file_header:: do_sized_write): Call target
2194 adjust_elf_header routine.
2195 * configure.tgt: Set targ_osabi.
2196 * configure.ac: Define GOLD_DEFAULT_OSABI.
2197 * parameters.cc (Parameters::default_target): Pass
2198 GOLD_DEFAULT_OSABI to select_target.
2199 * target-select.h (class Target_selector): Make instantiate_target
2200 protected rather than private.
2201 * Makefile.am (HFILES): Add freebsd.h.
2202 * configure, Makefile.in, config.in: Rebuild.
2204 * merge.cc (do_add_input_section): Correct pend value. Change
2205 message about last entry not being null terminated from error to
2208 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
2210 * incremental.cc: New file.
2211 * Makefile.am (CCFILES): Add incremental.cc.
2212 * Makefile.in: Rebuild.
2214 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
2216 * layout.cc (Layout::output_section_name): Preserve names
2217 of '.note.' sections.
2219 2009-03-19 Ian Lance Taylor <iant@google.com>
2221 * descriptors.cc (Descriptors::open): Check that the options are
2222 valid before using them.
2224 2009-03-18 Ian Lance Taylor <iant@google.com>
2226 * script-sections.h: Include <list>.
2227 (class Script_sections): Change Sections_elements from std::vector
2228 to std::list. Typedef public Elements_iterator. Add
2229 orphan_section_placement_, data_segment_align_start_, and
2230 saw_data_segment_align_ fields. Remove data_segment_align_index_
2232 * script-sections.cc (class Orphan_section_placement): New class.
2233 (class Sections_element): Add virtual functions is_relro and
2234 orphan_section_init. Remove virtual function place_orphan_here.
2235 (class Output_section_definition): Add is_relro and
2236 orphan_section_init. Remove place_orphan_here.
2237 (class Orphan_output_section): Likewise.
2238 (Script_sections::Script_sections): Update for field changes.
2239 (Script_sections::data_segment_align): Set saw_data_segment_align_
2240 and data_segment_align_start_, not data_segment_align_index.
2241 (Script_sections::data_segment_relro_end): Check
2242 saw_data_segment_align_. Use data_segment_align_start_ rather
2243 than data_segment_align_index_.
2244 (Script_sections::place_orphan): Rewrite to use
2245 Orphan_section_placement.
2247 2009-03-17 Ian Lance Taylor <iant@google.com>
2249 * archive.cc (Archive::add_symbols): Check for a version attached
2250 to the symbol name in the archive map.
2251 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2252 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2253 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2254 (ver_test_11.a): New target.
2255 * testsuite/Makefile.in: Rebuild.
2257 * configure.ac: Check for chsize and posix_fallocate. Replace
2259 * ftruncate.c: New file, from gnulib.
2260 * output.cc (posix_fallocate): Define dummy version if not
2261 HAVE_POSIX_FALLOCATE.
2262 (Output_file::map): Call posix_fallocate rather than lseek and
2264 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2265 * configure, Makefile.in, config.in: Rebuild.
2267 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
2269 * layout.h (Layout::create_note): Add section_name parameter.
2270 * layout.cc (Layout::create_note): Likewise.
2271 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2273 2009-03-17 Ian Lance Taylor <iant@google.com>
2275 * descriptors.cc: Include "options.h".
2276 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2277 (Descriptors::open): Always use O_CLOEXEC when opening a new
2278 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
2279 then set FD_CLOEXEC.
2281 * sparc.cc (class Target_sparc): Add has_got_section.
2282 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2283 make sure we have a GOT section.
2285 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2286 (Target_sparc::Scan::local): Likewise.
2287 (Target_sparc::Scan::global): Likewise.
2288 (Target_sparc::Relocate::relocate): Likewise.
2289 (Target_sparc::Relocate::relocate_tls): Likewise.
2291 * symtab.cc (Symbol_table::define_default_version): New function,
2292 broken out of add_from_object.
2293 (Symbol_table::add_from_object): Call define_default_version.
2294 (Symbol_table::define_special_symbol): Add resolve_oldsym
2295 parameter. Change all callers. If the version for a symbol comes
2296 from a version script, resolve it with the symbol with the same
2297 name with no version. Also add the symbol without a version if
2299 (do_define_in_output_data): If resolving with oldsym, don't delete
2301 (do_define_in_output_segment): Likewise.
2302 (do_define_as_constant): Likewise.
2303 * symtab.h (class Symbol_table): Update declarations.
2305 2009-03-13 Ian Lance Taylor <iant@google.com>
2307 * readsyms.cc (Read_symbols::incompatible_warning): New function.
2308 (Read_symbols::requeue): New function.
2309 (Read_symbols::do_read_symbols): If make_elf_object fails because
2310 the target type is not configured, and the file was searched for,
2311 issue a warning and retry with the next directory.
2312 (Add_symbols::run): If the file has an incompatible format, and
2313 it was searched for, requeue the Read_symbols task. On error,
2315 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
2316 dirindex parameter to constructor. Change all callers. Declare
2317 incompatible_warning and requeue.
2318 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2319 input_argument_ and input_group_ fields. Add them to
2320 constructor. Change all callers.
2321 (class Read_script): Add dirindex_ field. Add it to constructor.
2323 * archive.cc (Archive::setup): Remove input_objects parameter.
2325 (Archive::get_file_and_offset): Likewise.
2326 (Archive::read_all_symbols): Likewise.
2327 (Archive::read_symbols): Likewise.
2328 (Archive::get_elf_object_for_member): Remove input_objects
2329 parameter. Add punconfigured parameter. Change all callers.
2330 (Archive::add_symbols): Change return type to bool. Check return
2331 value of include_member.
2332 (Archive::include_all_members): Likewise.
2333 (Archive::include_member): Change return type to bool. Return
2334 false if first included object has incompatible target. Set
2335 included_member_ field.
2336 (Add_archive_symbols::run): If add_symbols returns false, requeue
2338 * archive.h (class Archive): Add included_member_ field.
2339 Initialize it in constructor. Add input_file and searched_for
2340 methods. Update declarations.
2341 (class Add_archive_symbols): Add dirpath_, dirindex_, and
2342 input_argument_ fields. Add them to constructor. Change all
2344 * script.cc: Include "target-select.h".
2345 (class Parser_closure): Add skip_on_incompatible_target_ and
2346 found_incompatible_target_ fields. Add
2347 skip_on_incompatible_target parameter to constructor. Change all
2348 callers. Add methods skip_on_incompatible_target,
2349 clear_skip_on_incompatible_target, found_incompatible_target, and
2350 set_found_incompatible_target.
2351 (read_input_script): Add dirindex parameter. Change all callers.
2352 If parser finds an incompatible target, requeue Read_symbols
2354 (script_set_symbol): Clear skip_on_incompatible_target in
2356 (script_add_assertion, script_parse_option): Likewise.
2357 (script_start_sections, script_add_phdr): Likewise.
2358 (script_check_output_format): New function.
2359 * script.h (read_input_script): Update declaration.
2360 * script-c.h (script_check_output_format): Declare.
2361 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2362 (ignore_cmd): Remove OUTPUT_FORMAT.
2363 * fileread.cc (Input_file::Input_file): Add explicit this.
2364 (Input_file::will_search_for): New function.
2365 (Input_file::open): Add pindex parameter. Change all callers.
2366 * fileread.h (class Input_file): Add input_file_argument method.
2367 Declare will_search_for. Update declarations.
2368 * object.cc (make_elf_object): Add punconfigured parameter.
2370 * object.h (class Object): Make input_file public. Add
2371 searched_for method.
2372 (make_elf_object): Update declaration.
2373 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
2375 * dirsearch.h (class Dirsearch): Update declaration.
2376 * options.h (class General_options): Add --warn-search-mismatch.
2377 * parameters.cc (Parameters::is_compatible_target): New function.
2378 * parameters.h (class Parameters): Declare is_compatible_target.
2379 * workqueue.cc (Workqueue::add_blocker): New function.
2380 * workqueue.h (class Workqueue): Declare add_blocker.
2382 * fileread.cc (Input_file::open): Remove options parameter.
2384 (Input_file::open_binary): Likewise.
2385 * script.cc (read_input_script): Likewise.
2386 * readsyms.h (class Read_symbols): Remove options_ field. Remove
2387 options parameter from constructor. Change all callers.
2388 (class Read_script): Likewise.
2389 * fileread.h (class Input_file): Update declarations.
2390 * script.h (read_input_script): Update declaration.
2392 2009-03-10 Nick Clifton <nickc@redhat.com>
2394 * po/es.po: New Spanish translation.
2396 2009-03-06 Cary Coutant <ccoutant@google.com>
2398 * options.cc (parse_short_option): Keep dash_z from registering itself.
2400 2009-03-03 Ian Lance Taylor <iant@google.com>
2403 * target-reloc.h (relocate_section): Pass output_section to
2405 * i386.cc (Target_i386::should_apply_static_reloc): Add
2406 output_section parameter. Change all callers.
2407 (Target_i386::Relocate::relocate): Add output_section parameter.
2408 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2409 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2410 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2411 * testsuite/two_file_shared.sh: New script.
2412 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2413 (check_DATA): Add two_file_shared.dbg.
2414 (two_file_shared.dbg): New target.
2415 * testsuite/Makefile.in: Rebuild.
2417 2009-03-01 Ian Lance Taylor <iant@google.com>
2419 * configure.ac: Check for byteswap.h.
2420 * configure: Rebuild.
2421 * config.in: Rebuild.
2423 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2425 * layout.cc (Layout::find_or_add_kept_section): New function.
2426 (Layout::add_comdat): Removed.
2427 * layout.h (struct Kept_section): Move out of class Layout.
2428 Remove trailing underscores from field names. Add group_sections
2429 field. Rename group_ field to is_group. Change all uses.
2430 (class Layout): Declare find_or_add_kept_section, not add_comdat.
2431 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2432 comdat_groups_ field.
2433 (Sized_relobj::include_section_group): Use
2434 find_or_add_kept_section and Kept_section::group_sections.
2435 (Sized_relobj::include_linkonce_section): Likewise.
2436 * object.cc (class Sized_relobj): Don't define Comdat_group or
2437 Comdat_group_table. Remove find_comdat_group and
2438 add_comdat_group. Remove comdat_groups_ field.
2439 * plugin.cc (include_comdat_group): Use
2440 Layout::find_or_add_kept_section.
2442 2009-02-28 Ian Lance Taylor <iant@google.com>
2444 * README: --gc-sections and map files are now supported. Document
2445 some build requirements.
2448 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2449 relocatable link set the value of the section symbol to zero.
2450 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2451 relocatable link don't include the section address in the local
2454 2009-02-27 Ian Lance Taylor <iant@google.com>
2457 * options.h (class Search_directory): Add is_system_directory.
2458 (class General_options): Declare is_in_system_directory.
2459 * options.cc (get_relative_sysroot): Make static.
2460 (get_default_sysroot): Make static.
2461 (General_optoins::is_in_system_directory): New function.
2462 * fileread.cc (Input_file::is_in_system_directory): New function.
2463 * fileread.h (class Input_file): Declare is_in_system_directory.
2464 * object.h (class Object): Add is_in_system_directory.
2465 (class Input_objects): Remove system_library_directory_ field.
2466 * object.cc (Input_objects::add_object): Don't set
2467 system_library_directory_.
2468 (input_objects::found_in_system_library_directory): Remove.
2469 * symtab.cc (Symbol_table::write_globals): Remove input_objects
2470 parameter. Change all callers.
2471 (Symbol_table::sized_write_globals): Likewise.
2472 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2473 Call Object::is_in_system_directory.
2474 * symtab.h (class Symbol_table): Update declarations.
2477 * descriptors.h (Open_descriptor): Add is_on_stack field.
2478 * descriptors.cc (Descriptors::open): If the descriptor is on the
2479 top of the stack, remove it. Initialize is_on_stack field.
2480 (Descriptors::release): Only add pod to stack if it is not on the
2482 (Descriptors::close_some_descriptor): Clear stack_next and
2486 * output.cc (Output_section::find_starting_output_address): Rename
2487 from starting_output_address; add PADDR parameter; change return
2489 * output.h (class Output_section): Declare
2490 find_starting_output_address instead of starting_output_address.
2491 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2492 section symbol for which we can't find a merge section.
2495 * symtab.cc (Symbol_table::add_from_object): If the visibility is
2496 hidden or internal, force the symbol to be local.
2497 * resolve.cc (Symbol::override_visibility): Define.
2498 (Symbol::override_base): Use override_visibility.
2499 (Symbol_table::resolve): Likewise.
2500 (Symbol::override_base_with_special): Likewise.
2501 (Symbol_table::override_with_special): If the visibility is hidden
2502 or internal, force the symbol to be local.
2503 * symtab.h (class Symbol): Add set_visibility and
2504 override_visibility.
2505 * testsuite/ver_test_1.sh: New file.
2506 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2507 (check_DATA): Add ver_test_1.syms.
2508 (ver_test_1.syms): New target.
2509 * testsuite/Makefile.in: Rebuild.
2511 2009-02-25 Cary Coutant <ccoutant@google.com>
2513 * layout.cc (Layout::choose_output_section): Don't rename sections
2514 when using a linker script that has a SECTIONS clause.
2515 * Makefile.in: Regenerate.
2517 * testsuite/Makefile.am (script_test_5.sh): New test case.
2518 * testsuite/Makefile.in: Regenerate.
2519 * testsuite/script_test_5.cc: New file.
2520 * testsuite/script_test_5.sh: New file.
2521 * testsuite/script_test_5.t: New file.
2523 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
2525 * archive.cc (Archive::include_member): Update calls to add_symbols.
2526 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2527 the Layout argument.
2528 * dynobj.h (do_add_symbols): Add the Layout argument.
2529 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2531 * object.h (Object::add_symbols): Add the Layout argument.
2532 (Object::do_add_symbols): Add the Layout argument.
2533 (Sized_relobj::do_add_symbols): Add the Layout argument.
2534 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2535 Unify the two versions.
2536 (Add_plugin_symbols): Remove.
2537 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2538 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2539 (Add_plugin_symbols): Remove.
2540 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2541 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2542 (Add_symbols::run): Make it work with Pulginobj.
2544 2009-02-06 Ian Lance Taylor <iant@google.com>
2546 * object.cc (Sized_relobj::do_layout): Make info message start
2547 with lower case letter.
2549 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2551 * binary.cc: Fix file comment.
2553 * options.h (enum Incremental_disposition): Define.
2554 (class General_options): Add new options: --incremental,
2555 --incremental_changed, --incremental_unchanged,
2556 --incremental_unknown. Add incremental_disposition_ and
2557 implicit_incremental_ fields.
2558 (General_options::incremental_disposition): New function.
2559 (class Position_dependent_options): Add incremental_disposition
2561 (Position_dependent_options::copy_from_options): Set incremental
2563 * options.cc (General_options::parse_incremental_changed): New
2565 (General_options::parse_incremental_unchanged): New function.
2566 (General_options::parse_incremental_unknown): New function.
2567 (General_options::General_options): Initialize new fields
2568 incremental_disposition_ and implicit_incremental_.
2569 (General_options::finalize): Check for uasge of --incremental-*
2570 without --incremental.
2572 2009-02-06 Chris Demetriou <cgd@google.com>
2574 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2575 pointer and to report location as the file name associated with
2577 (gold_undefined_symbol_at_location): New function to replace the
2578 old gold_undefined_symbol functionality.
2579 * target-reloc.h (relocate_section): Update to use
2580 gold_undefined_symbol_at_location.
2581 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2582 Call gold_undefined_symbol function rather than gold_error.
2583 * errors.h (Errors::undefined_symbol): Take location as a
2584 string, rather than calculating it from a relocation.
2585 * errors.cc (Errors::fatal): Print "fatal error:" before the
2587 (Errors::error, Errors::error_at_location): Print "error: "
2588 before the formatted message.
2589 (Errors::undefined_symbol): Take location as a string, rather
2590 than calculating it from a relocation.
2591 (gold_undefined_symbol_at_location): New function akin to
2592 old gold_undefined_symbol, calculates location from relocation.
2593 (gold_undefined_symbol): Change to take only a Symbol pointer
2594 and to report location as the file name associated with the symbol.
2595 * testsuite/debug_msg.sh: Update for changed error messages.
2596 * testsuite/undef_symbol.sh: Likewise.
2598 2009-02-04 Duncan Sands <baldrick@free.fr>
2601 * reduced_debug_output.h
2602 (Output_reduced_debug_abbrev_section::failed): Use format for
2604 (Output_reduced_debug_info_section::faild): Likewise.
2606 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2608 * script.cc (Lazy_demangler): New class.
2609 (Version_script_info::get_symbol_version_helper): Demangle a
2612 2009-01-29 Cary Coutant <ccoutant@google.com>
2614 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2616 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2618 2009-01-28 Ian Lance Taylor <iant@google.com>
2620 * version.cc (version_string): Bump to 1.9.
2622 * gold.h: Include <cstring> and <stdint.h>.
2623 * version.cc: Include <cstdio>.
2624 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2626 * reduced_debug_output.cc (insert_into_vector): Rename from
2627 Insert_into_vector; change all callers. Use Swap_unaligned to
2628 avoid aliasing issue; remove union since it is unnecessary.
2630 2009-01-27 Sriraman Tallam <tmsriram@google.com>
2632 * Makefile.am (CCFILES): Add gc.cc.
2634 * Makefile.in: Regenerate.
2635 * gold.cc (Gc_runner): New class.
2636 (queue_initial_tasks): Call garbage collection related tasks
2637 when corresponding options are invoked.
2638 (queue_middle_gc_tasks): New function.
2639 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2640 processed early before laying out sections during garbage collection.
2641 * gold.h (queue_middle_gc_tasks): New function.
2642 (is_prefix_of): Move from "layout.cc".
2643 * i386.cc (Target_i386::gc_process_relocs): New function.
2644 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2645 * main.cc (main): Create object of class "Garbage_collection".
2646 * object.cc (Relobj::copy_symbols_data): New function.
2647 (Relobj::is_section_name_included): New function.
2648 (Sized_relobj::do_layout): Allow this function to be called twice
2649 during garbage collection and defer layout of section during the
2651 * object.h (Relobj::get_symbols_data): New function.
2652 (Relobj::is_section_name_included): New function.
2653 (Relobj::copy_symbols_data): New function.
2654 (Relobj::set_symbols_data): New function.
2655 (Relobj::get_relocs_data): New function.
2656 (Relobj::set_relocs_data): New function.
2657 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2658 (Relobj::gc_process_relocs): New function.
2659 (Relobj::do_gc_process_relocs): New pure virtual function.
2660 (Relobj::sd_): New data member.
2661 (Sized_relobj::is_output_section_offset_invalid): New function.
2662 (Sized_relobj::do_gc_process_relocs): New function.
2663 * options.h (General_options::gc_sections): Modify to not be a no-op.
2664 (General_options::print_gc_sections): New option.
2665 * plugin.cc (Plugin_finish::run): Remove function call to
2666 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2667 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2668 * reloc.cc (Read_relocs::run): Add task to process relocs and
2669 determine unreferenced sections when doing garbage collection.
2670 (Gc_process_relocs): New class.
2671 (Sized_relobj::do_gc_process_relocs): New function.
2672 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2673 sections that are garbage collected.
2674 * reloc.h (Gc_process_relocs): New class.
2675 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2676 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2677 symbols whose corresponding sections are garbage collected.
2678 (Symbol_table::Symbol_table): Add new parameter for the garbage
2680 (Symbol_table::gc_mark_undef_symbols): New function.
2681 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2682 (Symbol_table::gc_mark_dyn_syms): New function.
2683 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2685 (Symbol_table::add_from_object): Likewise.
2686 (Symbol_table::add_from_relobj): When building shared objects, do not
2687 treat externally visible symbols as garbage.
2688 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2689 table information for static and relocatable links.
2690 * symtab.h (Symbol_table::set_gc): New function.
2691 (Symbol_table::gc): New function.
2692 (Symbol_table::gc_mark_undef_symbols): New function.
2693 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2694 (Symbol_table::gc_mark_dyn_syms): New function.
2695 (Symbol_table::gc_): New data member.
2696 * target.h (Sized_target::gc_process_relocs): New pure virtual
2698 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2699 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2701 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2703 * options.h (General_options::gc_sections): Define as a no-op for now.
2704 (General_options::no_keep_memory): Ditto.
2705 (General_options::Bshareable): Define.
2706 * options.cc (General_options::finalize): Honor -Bshareable.
2708 2009-01-20 Andreas Schwab <schwab@suse.de>
2710 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2711 read the value in the contents, since we don't use it. Use the
2712 template endianness when writing.
2713 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2715 2009-01-19 Andreas Schwab <schwab@suse.de>
2717 * configure.tgt (powerpc64-*): Fix targ_obj.
2719 2009-01-15 Ian Lance Taylor <iant@google.com>
2721 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2722 local symbols when stripping all symbols.
2724 2009-01-14 Cary Coutant <ccoutant@google.com>
2726 * output.cc (Output_reloc): Add explicit instantiations.
2728 2009-01-14 Cary Coutant <ccoutant@google.com>
2730 * archive.cc (Archive::get_elf_object_for_member): Remove call
2731 to File_read::claim_for_plugin.
2732 * descriptors.cc (Descriptors::open): Remove reference to
2734 (Descriptors::claim_for_plugin): Remove.
2735 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2736 (Descriptors::is_claimed): Remove.
2737 (claim_descriptor_for_plugin): Remove.
2738 * fileread.cc (File_read::claim_for_plugin): Remove.
2739 * fileread.h (File_read::claim_for_plugin): Remove.
2740 (File_read::descriptor): Reopen descriptor if necessary.
2741 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2742 (Plugin_manager::all_symbols_read): Add task parameter. Change
2744 (Plugin_manager::get_input_file): New function.
2745 (Plugin_manager::release_input_file): New function.
2746 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2747 corresponding data member.
2748 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2749 and pass to base constructor. Change all callers.
2750 (get_input_file, release_input_file): New functions.
2751 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2752 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2753 (Plugin_manager::all_symbols_read): Add task parameter.
2754 (Plugin_manager::get_input_file): New function.
2755 (Plugin_manager::release_input_file): New function.
2756 (Plugin_manager::task_): New data member.
2757 (Pluginobj::Pluginobj): Add filesize parameter.
2758 (Pluginobj::filename): New function.
2759 (Pluginobj::descriptor): New function.
2760 (Pluginobj::filesize): New function.
2761 (Pluginobj::filesize_): New data member.
2762 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2763 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2764 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2766 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2767 with archive libraries.
2768 * testsuite/Makefile.in: Regenerate.
2769 * testsuite/plugin_test.c (struct sym_info): New type.
2770 (get_input_file, release_input_file): New static variables.
2771 (onload): Capture new transfer vector entries.
2772 (claim_file_hook): Stop reading at end of file according to filesize.
2773 Factor out parsing of readelf output into separate function.
2774 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2775 APIs and get the source file name from the symbol table. Convert
2776 source file name to corresponding object file name. Print info
2777 message when adding new input files.
2778 (parse_readelf_line): New function.
2779 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2780 * testsuite/plugin_test_2.sh: Likewise.
2781 * testsuite/plugin_test_3.sh: Likewise.
2782 * testsuite/plugin_test_4.sh: New test case.
2784 2009-01-07 Ian Lance Taylor <iant@google.com>
2786 * version.cc (version_string): Bump to 1.8.
2788 2008-12-23 Cary Coutant <ccoutant@google.com>
2790 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2791 * plugin.cc (Plugin_manager::finish): Rename as
2792 layout_deferred_objects. Move cleanup to separate function.
2793 (Plugin_manager::cleanup): New function.
2794 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2796 * plugin.h (Plugin_manager::finish): Rename as
2797 layout_deferred_objects.
2798 (Plugin_manager::cleanup): New function.
2799 (Plugin_manager::cleanup_done): New field.
2801 2008-12-23 Cary Coutant <ccoutant@google.com>
2803 * plugin.cc (is_visible_from_outside): New function.
2804 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2805 so we don't return "IR only" status for exported symbols or -r links.
2807 * testsuite/Makefile.am (plugin_test_3): New test case.
2808 * testsuite/Makefile.in: Regenerate.
2809 * testsuite/plugin_test_3.sh: New file.
2811 2008-12-22 Cary Coutant <ccoutant@google.com>
2813 * object.cc (Sized_relobj::layout_section): New function.
2814 (Sized_relobj::do_layout): Defer layout of input sections until after
2815 plugin has provided replacement files.
2816 (Sized_relobj::do_layout_deferred_sections): New function.
2817 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2818 (Relobj::layout_deferred_sections): New function.
2819 (Relobj::do_layout_deferred_sections): New function.
2820 (Sized_relobj::do_layout_deferred_sections): New function.
2821 (Sized_relobj::layout_section): New function.
2822 (Sized_relobj::Deferred_layout): New structure.
2823 (Sized_relobj::deferred_layout_): New field.
2824 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2825 Change all callers. Layout deferred sections.
2826 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2828 (Plugin_hook::run): Move code from do_plugin_hook inline.
2829 (Plugin_hook::do_plugin_hook): Remove.
2830 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2831 (Plugin_manager::finish): Renamed, was cleanup.
2832 (Plugin_manager::should_defer_layout): New function.
2833 (Plugin_manager::add_deferred_layout_object): New function.
2834 (Plugin_manager::Deferred_layout_list): New type.
2835 (Plugin_manager::deferred_layout_objects_): New field.
2836 (Plugin_hook::do_plugin_hook): Remove.
2838 2008-12-17 Ian Lance Taylor <iant@google.com>
2840 * options.h (class General_options): Add --no case for
2843 2008-12-16 Cary Coutant <ccoutant@google.com>
2845 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2847 (Plugin_manager::claim_file): Create plugin object even if
2848 plugin did not call the add_symbols callback.
2849 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2850 asking for more symbols than were added.
2851 * testsuite/Makefile.am (plugin_test_1): Add test case with
2853 (empty.syms): New target.
2854 * testsuite/Makefile.in: Regenerate.
2855 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2856 message. Don't call add_symbols if no globals.
2857 (all_symbols_read_hook): Don't provide replacement for empty
2860 2008-12-12 Ian Lance Taylor <iant@google.com>
2862 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2863 r_type == 0 for a local symbol with r_sym == 0.
2864 (scan_relocatable_relocs): Pass r_sym to
2865 local_non_section_strategy.
2866 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2869 * configure.ac: Update test for TLS descriptors: they are
2870 supported as of glibc 2.9.
2871 * configure: Rebuild.
2873 2008-12-11 Ian Lance Taylor <iant@google.com>
2876 * target-reloc.h (Default_scan_relocatable_relocs): For each
2877 function, map r_type == 0 to RELOC_DISCARD.
2879 2008-12-10 Cary Coutant <ccoutant@google.com>
2881 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2882 object to override a kept COMDAT group from a plugin object.
2884 2008-12-09 Ian Lance Taylor <iant@google.com>
2887 * yyscript.y (file_cmd): Handle INPUT.
2889 * testsuite/initpri1.c: Change all declarations to be full
2890 prototypes by adding void, to avoid compiler warnings.
2892 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
2894 * options.cc (General_options::parse_plugin_opt): New.
2895 (General_options::add_plugin): The argument now is just the filename.
2896 (General_options::add_plugin_option): New.
2897 * options.h (plugin_opt): New.
2898 (add_plugin): Change argument name.
2899 (add_plugin_option): New.
2900 * plugin.cc (Plugin::load): Don't parse the plugin option.
2901 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2902 (Plugin::add_option): New.
2903 (Plugin::args_): Change type.
2904 (Plugin::filename_): New.
2905 (Plugin_manager::add_plugin_option): New.
2906 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2907 * testsuite/Makefile.in: Regenerate.
2909 2008-12-05 Cary Coutant <ccoutant@google.com>
2911 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2912 Handle --strip-lto-sections option.
2913 * options.h (strip_lto_sections): New option.
2915 2008-12-01 Cary Coutant <ccoutant@google.com>
2917 * plugin.cc (ld_plugin_message): Change format parameter to const.
2918 Fix mismatch between new[] and delete.
2920 2008-11-14 Cary Coutant <ccoutant@google.com>
2922 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2925 2008-11-05 Craig Silverstein <csilvers@google.com>
2927 * options.cc (General_options::parse_dynamic_list): New function.
2928 * options.h (General_options): New flags dynamic_list,
2929 dynamic_list_data, dynamic_list_cpp_new, and
2930 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2931 (General_options::in_dynamic_list): New function.
2932 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2933 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2934 (Lex::can_continue_name): Likewise.
2936 (read_script_file): New parameter script_options.
2937 (read_dynamic_list): New function.
2938 (Script_options::define_dynamic_list): New function.
2939 (dynamic_list_keyword_parsecodes): New variable.
2940 (dynamic_list_keywords): New variable.
2941 * script.h (Script_options::define_dynamic_list): New function
2943 (read_dynamic_list): New function prototype.
2944 * symtab.cc (strprefix): New macro.
2945 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2946 dynamic_list_data, dynamic_list_cpp_new, and
2947 dynamic_list_cpp_typeinfo.
2948 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2949 (dynamic_list_expr): New rule.
2950 (dynamic_list_nodes): Likewise.
2951 (dynamic_list_node): Likewise.
2952 * testsuite/Makefile.am (dynamic_list): New test.
2953 * testsuite/Makefile.in: Regenerated.
2954 * testsuite/dynamic_list.t: New file.
2955 * testsuite/dynamic_list.sh: New file.
2957 2008-11-05 Craig Silverstein <csilvers@google.com>
2959 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2960 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2961 (t11_last): Likewise.
2962 * testsuite/ver_test_6.c (main): Likewise.
2964 2008-10-07 Cary Coutant <ccoutant@google.com>
2966 * options.c (General_options::finalize): Add check for -static and
2968 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2971 2008-10-02 Cary Coutant <ccoutant@google.com>
2973 * plugin.cc (make_sized_plugin_object): Fix conditional
2974 compilation to work when not all targets are enabled.
2976 2008-09-29 Cary Coutant <ccoutant@google.com>
2978 * archive.cc (Archive::get_file_and_offset): Use filename instead
2979 of name to get library path.
2980 (Archive::include_member): Unlock external member of a thin archive.
2982 * testsuite/Makefile.am (TEST_AR): New variable.
2983 (thin_archive_test_1): New test.
2984 (thin_archive_test_2): New test.
2985 * testsuite/Makefile.in: Regenerate.
2986 * testsuite/thin_archive_main.cc: New file.
2987 * testsuite/thin_archive_test_1.cc: New file.
2988 * testsuite/thin_archive_test_2.cc: New file.
2989 * testsuite/thin_archive_test_3.cc: New file.
2990 * testsuite/thin_archive_test_4.cc: New file.
2992 2008-09-29 Cary Coutant <ccoutant@google.com>
2994 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2995 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2997 (Sized_relobj::do_finalize_local_symbols): Likewise.
2998 (Sized_relobj::map_to_kept_section): Likewise.
2999 * object.h (Sized_relobj::invalid_address): New constant.
3000 (Sized_relobj::do_output_section_offset): Check for invalid_address
3002 * output.cc (Output_reloc::local_section_offset): Use constant
3003 invalid_address instead of -1U.
3004 (Output_reloc::get_address): Likewise.
3005 (Output_section::output_address): Change -1U to -1ULL.
3006 * output.h (Output_reloc::invalid_address): New constant.
3007 * reloc.cc (Sized_relobj::write_sections): Use constant
3008 invalid_address instead of -1U.
3009 (Sized_relobj::relocate_sections): Likewise.
3010 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3011 values for merge sections.
3012 * target-reloc.h (relocate_for_relocatable): Use constant
3013 invalid_address instead of -1U.
3015 2008-09-19 Cary Coutant <ccoutant@google.com>
3017 Add plugin functionality for link-time optimization (LTO).
3018 * configure.ac (plugins): Add --enable-plugins option.
3019 * configure: Regenerate.
3020 * config.in: Regenerate.
3021 * Makefile.am (LIBDL): New variable.
3022 (CCFILES): Add plugin.cc.
3023 (HFILES): Add plugin.h.
3024 (ldadd_var): Add LIBDL.
3025 * Makefile.in: Regenerate.
3027 * archive.cc: Include "plugin.h".
3028 (Archive::setup): Don't preread archive symbols when using a plugin.
3029 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
3030 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3032 (Archive::include_member): Add symbols from plugin objects.
3033 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3034 * descriptors.cc (Descriptors::open): Check for file descriptors
3035 abandoned by plugins.
3036 (Descriptors::claim_for_plugin): New function.
3037 * descriptors.h (Descriptors::claim_for_plugin): New function.
3038 (Open_descriptor::is_claimed): New field.
3039 (claim_descriptor_for_plugin): New function.
3040 * fileread.cc (File_read::claim_for_plugin): New function.
3041 * fileread.h (File_read::claim_for_plugin): New function.
3042 (File_read::descriptor): New function.
3043 * gold.cc: Include "plugin.h".
3044 (queue_initial_tasks): Add task to call plugin hooks for generating
3046 * main.cc: Include "plugin.h".
3047 (main): Load plugin libraries.
3048 * object.h (Pluginobj): Declare.
3049 (Object::pluginobj): New function.
3050 (Object::do_pluginobj): New function.
3051 (Object::set_target): New function.
3052 * options.cc: Include "plugin.h".
3053 (General_options::parse_plugin): New function.
3054 (General_options::General_options): Initialize plugins_ field.
3055 (General_options::add_plugin): New function.
3056 * options.h (Plugin_manager): Declare.
3057 (General_options): Add --plugin option.
3058 (General_options::has_plugins): New function.
3059 (General_options::plugins): New function.
3060 (General_options::add_plugin): New function.
3061 (General_options::plugins_): New field.
3062 * plugin.cc: New file.
3063 * plugin.h: New file.
3064 * readsyms.cc: Include "plugin.h".
3065 (Read_symbols::do_read_symbols): Check for archive before checking
3066 for ELF file. Call plugin hooks to claim files.
3067 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3068 from a real object file; force override when processing replacement
3070 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3071 (Symbol::init_base_object): Likewise.
3072 (Symbol::init_base_output_data): Likewise.
3073 (Symbol::init_base_output_segment): Likewise.
3074 (Symbol::init_base_constant): Likewise.
3075 (Symbol::init_base_undefined): Likewise.
3076 (Symbol::output_section): Assert that object is not a plugin.
3077 (Symbol_table::add_from_pluginobj): New function.
3078 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3080 (Symbol_table::sized_write_globals): Likewise.
3081 (Symbol_table::add_from_pluginobj): Instantiate template.
3082 * symtab.h (Sized_pluginobj): Declare.
3083 (Symbol::in_real_elf): New function.
3084 (Symbol::set_in_real_elf): New function.
3085 (Symbol::in_real_elf_): New field.
3086 (Symbol_table::add_from_pluginobj): New function.
3088 * testsuite/Makefile.am (AM_CFLAGS): New variable.
3089 (LIBDL): New variable.
3091 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3092 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3093 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3094 (MOSTLYCLEANFILES): Likewise.
3095 * testsuite/Makefile.in: Regenerate.
3096 * testsuite/plugin_test.c: New file.
3097 * testsuite/plugin_test_1.sh: New file.
3098 * testsuite/plugin_test_2.sh: New file.
3100 2008-09-16 Ian Lance Taylor <iant@google.com>
3102 * target-reloc.h (relocate_section): Check whether a symbol is
3103 defined by the ABI before reporting an undefined symbol error.
3104 * target.h (Target::is_defined_by_abi): Make parameter const.
3105 (Target::do_is_defined_by_abi): Likewise.
3106 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3107 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3108 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3109 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3110 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3111 * testsuite/Makefile.in: Rebuild.
3113 * fileread.cc (make_view): Add casts to avoid warning.
3115 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
3117 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3118 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3120 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
3122 * options.h (General_options::output_is_executable): New.
3123 (General_options::output_is_pie): New.
3124 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3125 for shared libraries.
3126 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3128 2008-09-11 Chris Demetriou <cgd@google.com>
3130 * options.h (origin): New -z option.
3131 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3132 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3135 2008-09-05 Cary Coutant <ccoutant@google.com>
3137 * fileread.cc (File_read::make_view): Add check for attempt to map
3140 2008-09-05 Cary Coutant <ccoutant@google.com>
3142 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3143 explicit instantiations.
3145 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
3148 * options.cc (General_options::finalize): Allow undefined symbols
3149 in shlibs if linking -shared.
3152 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3153 symbols as not needing a dynsym entry.
3155 2008-08-20 Craig Silverstein <csilvers@google.com>
3157 * fileread.cc (File_read::open): Do not lock the file unless it
3158 was successfully opened.
3160 2008-08-14 Cary Coutant <ccoutant@google.com>
3162 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3163 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3164 * testsuite/tls_test.cc (struct int128): 128-bit struct
3165 for testing TLS relocs with non-zero addend.
3166 (v12): New TLS variable.
3168 (t_last): Add check for v12.
3169 * testsuite/tls_test.h (t12): New function.
3170 * testsuite/tls_test_main.cc (thread_routine): Call new test.
3172 2008-08-13 Ian Lance Taylor <iant@google.com>
3174 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3175 set tls_segment_ or relro_segment_.
3176 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3178 * output.h (Output_section::clear_is_relro): New function.
3179 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3180 sections specially even when output_data_ is empty.
3181 (Output_segment::maximum_alignment): When first section is relro,
3182 only force alignment for PT_LOAD segments.
3183 * script.cc (script_data_segment_align): New function.
3184 (script_data_segment_relro_end): New function.
3185 * script-c.h (script_data_segment_align): Declare.
3186 (script_data_segment_relro_end): Declare.
3187 * script-sections.h (class Script_sections): Declare
3188 data_segment_align and data_segment_relro_end. Add fields
3189 segment_align_index_ and saw_relro_end_.
3190 * script-sections.cc (class Sections_element): Add set_is_relro
3191 virtual function. Add new bool* parameter to place_orphan_here.
3192 Add get_output_section virtual function.
3193 (class Output_section_definition): Add set_is_relro. Add new
3194 bool* parameter to place_orphan_here. Add get_output_section.
3195 Add is_relro_ field.
3196 (Output_section_definition::Output_section_definition): Initialize
3197 evaluated_address_, evaluated_load_address, evaluated_addralign_,
3198 and is_relro_ fields.
3199 (Output_section_definition::place_orphan_here): Add is_relro
3201 (Output_section_definition::set_section_addresses): Set relro for
3203 (Output_section_definition::alternate_constraint): Likewise.
3204 (class Orphan_output_section): Add new bool* parameter to
3205 place_orphan_here. Add get_output_section.
3206 (Orphan_output_section::place_orphan_here): Add is_relro
3208 (Script_sections::Script_sections): Initialize
3209 data_segment_align_index_ and saw_relro_end_.
3210 (Script_sections::data_segment_align): New function.
3211 (Script_sections::data_segment_relro_end): New function.
3212 (Script_sections::place_orphan): Set or clear is_relro.
3213 (Script_sections::set_section_addresses): Force alignment of first
3215 * yyscript.y (exp): Call script_data_segment_align and
3216 script_data_segment_relro_end.
3217 * testsuite/relro_script_test.t: New file.
3218 * testsuite/relro_test.cc (using_script): Declare.
3219 (t1, t2): Test using_script.
3220 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3221 (relro_script_test_SOURCES): Define.
3222 (relro_script_test_DEPENDENCIES): Define.
3223 (relro_script_test_LDFLAGS): Define.
3224 (relro_script_test_LDADD): Define.
3225 (relro_script_test.so): New target.
3226 * testsuite/Makefile.in: Rebuild.
3228 2008-08-06 Cary Coutant <ccoutant@google.com>
3230 * archive.cc (Archive::total_archives, Archive::total_members)
3231 (Archive::total_members_loaded): New variables.
3232 (Archive::setup): Add parameter. Add option to preread
3234 (Archive::read_armap): Add counter.
3235 (Archive::get_file_and_offset): New function.
3236 (Archive::get_elf_object_for_member): New function.
3237 (Archive::read_all_symbols): New function.
3238 (Archive::read_symbols): New function.
3239 (Archive::add_symbols): Add counters.
3240 (Archive::include_all_members): Use armap to find members if it's
3242 (Archive::include_member): Skip reading symbols if already read.
3243 Factored code into Archive::get_file_and_offset and
3244 Archive::get_elf_object_for_member. Changed call to
3245 Mapfile::report_include_archive_member.
3246 (Archive::print_stats): New function.
3247 * archive.h: Declare Object and Read_symbols_data classes.
3248 (Archive::Archive): Add initializers for new members.
3249 (Archive::setup): Add parameter.
3250 (Archive::print_stats): New function.
3251 (Archive::total_archives, Archive::total_members)
3252 (Archive::total_members_loaded): New variables.
3253 (Archive::get_file_and_offset): New function.
3254 (Archive::get_elf_object_for_member): New function.
3255 (Archive::read_all_symbols): New function.
3256 (Archive::read_symbols): New function.
3257 (Archive::Archive_member): New class.
3258 (Archive::members_): New member.
3259 (Archive::num_members_): New member.
3260 * main.cc: Include archive.h.
3261 (main): Call Archive::print_stats.
3262 * mapfile.cc (Mapfile::report_include_archive_member): Delete
3263 archive parameter; member_name is now the fully-decorated name.
3264 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3265 * options.h: (General_options): Add --preread-archive-symbols option.
3266 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3269 2008-08-04 Ian Lance Taylor <iant@google.com>
3271 * symtab.h (Symbol::use_plt_offset): New function.
3272 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3273 * powerpc.cc (Relocate::relocate): Likewise.
3274 * sparc.cc (Relocate::relocate): Likewise.
3275 * x86_64.cc (Relocate::relocate): Likewise.
3276 * testsuite/weak_plt.sh: New test.
3277 * testsuite/weak_plt_main.cc: New test.
3278 * testsuite/weak_plt_shared.cc: New test.
3279 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3280 (check_PROGRAMS): Add weak_plt.
3281 (check_DATA): Add weak_plt_shared.so.
3282 (weak_plt_main_pic.o, weak_plt): New targets.
3283 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3284 * testsuite/Makefile.in: Rebuild.
3286 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3288 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3289 * testsuite/Makefile.in: Rebuild.
3291 2008-08-04 Alan Modra <amodra@bigpond.net.au>
3293 * Makefile.am (POTFILES.in): Set LC_ALL=C.
3294 * Makefile.in: Regenerate.
3295 * po/POTFILES.in: Regenerate.
3297 2008-07-29 Ian Lance Taylor <iant@google.com>
3299 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3300 symbols before other symbols.
3301 * testsuite/script_test_2.cc (test_addr): Declare.
3302 (test_addr_alias): Declare.
3303 (main): Check that test_addr and test_addr_alias have the right
3305 * testsuite/script_test_2.t: Define test_addr_alias and
3308 2008-07-24 Ian Lance Taylor <iant@google.com>
3311 * descriptors.cc: New file.
3312 * descriptors.h: New file.
3313 * gold-threads.h (class Hold_optional_lock): New class.
3314 * fileread.cc: Include "descriptors.h".
3315 (File_read::~File_read): Release descriptor rather than closing
3317 (File_read::open) [file]: Call open_descriptor rather than open.
3318 Set is_descriptor_opened_.
3319 (File_read::open) [memory]: Assert that descriptor is not open.
3320 (File_read::reopen_descriptor): New function.
3321 (File_read::release): Release descriptor.
3322 (File_read::do_read): Make non-const. Reopen descriptor.
3323 (File_read::read): Make non-const.
3324 (File_read::make_view): Reopen descriptor.
3325 (File_read::do_readv): Likewise.
3326 * fileread.h (class File_read): Add is_descriptor_opened_ field.
3327 Update declarations.
3328 * layout.cc: Include "descriptors.h".
3329 (Layout::create_build_id): Use open_descriptor rather than open.
3330 * output.cc: Include "descriptors.h".
3331 (Output_file::open): Use open_descriptor rather than open.
3332 * archive.cc (Archive::const_iterator): Change Archive to be
3334 (Archive::begin, Archive::end): Make non-const.
3335 (Archive::count_members): Likewise.
3336 * archive.h (class Archive): Update declarations.
3337 * object.h (Object::read): Make non-const.
3338 * Makefile.am (CCFILES): Add descriptors.cc.
3339 (HFILES): Add descriptors.h.
3340 * Makefile.in: Rebuild.
3343 * gold.h: Always include <clocale>. Add Solaris workarounds
3344 following code in binutils/sysdep.h.
3347 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3348 this->eh_frame_hdr_ is NULL before using it.
3350 * dynobj.cc (Versions::Versions): Update comment.
3352 * dynobj.cc (Versions::Versions): If there is an soname, use it as
3353 the base version name.
3355 * stringpool.cc (Stringpool_template::add_with_length): Set key to
3356 array size plus one.
3357 (Stringpool_template::set_string_offsets): Subtract one from key
3358 before using it as an array index.
3359 (Stringpool_template::get_offset_with_length): Likewise.
3360 (Stringpool_template::write_to_buffer): Likewise.
3361 * stringpool.h (Stringpool_template::get_offset_from_key):
3364 2008-07-23 Ian Lance Taylor <iant@google.com>
3367 * object.h (Merged_symbol_value::value): Do our best to handle a
3371 * script.cc (Version_script_info::get_versions): Don't add empty
3372 version tag to return value.
3373 (Version_script_info::get_symbol_version_helper): Change return
3374 type to bool. Add pversion parameter. Change all callers.
3375 (script_register_vers_node): Don't require a non-NULL tag.
3376 * script.h (class Version_script_info): Update declarations.
3377 (Version_script_info::get_symbol_version): Change return type to
3378 bool. Add version parameter. Change all callers.
3379 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3380 handling. Handle an empty version from a version script.
3381 (Symbol_table::define_special_symbol): Likewise.
3382 * testsuite/ver_test_10.script: New file.
3383 * testsuite/ver_test_10.sh: New file.
3384 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3385 (check_DATA): Add ver_test_10.syms.
3386 (ver_test_10.syms, ver_test_10.so): New target.
3387 * testsuite/Makefile.in: Rebuild.
3389 2008-07-23 Simon Baldwin <simonb@google.com>
3391 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3392 to zero for undefined symbols from dynamic libraries.
3394 2008-07-23 Ian Lance Taylor <iant@google.com>
3396 * symtab.cc (Symbol_table::resolve): Remove version parameter.
3398 * symtab.h (class Symbol_table): Update declaration.
3399 * testsuite/ver_test_9.cc: New file.
3400 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3401 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3402 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3403 (ver_test_9.so, ver_test_9.o): New targets.
3404 * testsuite/Makefile.in: Rebuild.
3406 2008-07-22 Ian Lance Taylor <iant@google.com>
3408 * options.h (class General_options): Define --check-sections.
3409 * layout.cc (Layout::set_segment_offsets): Handle
3412 * options.h (class General_options): Define -n/--nmagic and
3414 * options.cc (General_options::finalize): For -n/--nmagic or
3415 -N/--omagic, set -static.
3416 * layout.cc (Layout::attach_allocated_section_to_segment): If
3417 -N/--omagic, don't put read-only and read-write sections in
3419 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3420 finding a read-only segment.
3421 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3422 don't set the minimum segment alignment to the common page size,
3423 and don't set the file offset to the address modulo the page size.
3424 * script-sections.cc (Script_sections::create_segments): If
3425 -n/--omagic, don't put read-only and read-write sections in
3428 * cref.cc: New file.
3430 * options.h (class General_options): Add --print-symbol-counts.
3431 * main.cc (main): Issue defined symbol report if requested.
3432 * archive.cc (Archive::interpret_header): Make into a const member
3434 (Archive::add_symbols): Call Input_objects::archive_start and
3436 (Archive::const_iterator): Define new class.
3437 (Archive::begin, Archive::end): New functions.
3438 (Archive::include_all_members): Rewrite to use iterator.
3439 (Archive::count_members): New function.
3440 * archive.h (class Archive): Update declarations.
3441 (Archive::filename): New function.
3442 * object.cc: Include "cref.h".
3443 (Sized_relobj::Sized_relobj): Initialize defined_count_.
3444 (Sized_relobj::do_get_global_symbol_counts): New function.
3445 (Input_objects::add_object): Add object to cross-referencer.
3446 (Input_objects::archive_start): New function.
3447 (Input_objects::archive_stop): New function.
3448 (Input_objects::print_symbol_counts): New function.
3449 * object.h: Declare Cref and Archive.
3450 (Object::get_global_symbol_counts): New function.
3451 (Object::do_get_global_symbol_counts): New pure virtual function.
3452 (class Sized_relobj): Add defined_count_ field. Update
3454 (class Input_objects): Add cref_ field. Update constructor.
3455 Update declarations.
3456 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3458 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3460 (Sized_dynobj::do_get_global_symbol_counts): New function.
3461 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3462 defined_count_. Update declarations. Define Symbols typedef.
3463 * symtab.cc (Symbol_table::add_from_relobj): Add defined
3464 parameter. Change all callers.
3465 (Symbol_table::add_from_dynobj): Add sympointers and defined
3466 parameters. Change all callers.
3467 * symtab.h (class Symbol_table): Update declarations.
3468 * Makefile.am (CCFILES): Add cref.cc.
3469 (HFILES): Add cref.h.
3470 * Makefile.in: Rebuild.
3472 2008-07-22 Simon Baldwin <simonb@google.com>
3474 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3475 to zero when writing undefined symbols.
3477 2008-07-22 Ian Lance Taylor <iant@google.com>
3479 * output.cc (Output_section::add_input_section): Don't try to
3480 merge empty merge sections.
3482 2008-07-21 Craig Silverstein <csilvers@google.com>
3484 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3485 Include symbol version in error message.
3487 2008-07-20 Chris Demetriou <cgd@google.com>
3489 * configure.ac (gold_cv_c_random_seed): New configured variable.
3490 (RANDOM_SEED_CFLAGS): New substituted variable.
3491 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3492 * configure: Rebuild.
3493 * Makefile.in: Likewise.
3494 * testsuite/Makefile.in: Likewise.
3496 2008-07-18 Ian Lance Taylor <iant@google.com>
3498 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3499 where we see NAME/NULL and NAME/VERSION as separate symbols.
3500 * testsuite/ver_test_main.cc (main): Call t4.
3501 (t4, t4_2a): Define.
3502 * testsuite/ver_test_2.cc (t4_2): Define.
3503 * testsuite/ver_test_2.script: Put t4_2a in VER2.
3504 * testsuite/ver_test_4.cc (t4_2a): Define.
3505 * testsuite/ver_test_4.script: Put t4_2a in VER2.
3506 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3508 2008-07-17 Ian Lance Taylor <iant@google.com>
3510 * dynobj.cc (Versions::add_def): If we give an error about a
3511 missing version, go ahead and create the version anyhow.
3513 2008-07-10 Ian Lance Taylor <iant@google.com>
3515 Handle output sections with more than 0x7fffffff bytes.
3516 * object.h (class Relobj): Change map_to_output_ to
3517 output_sections_, and just keep a section pointer. Change all
3518 uses. Move comdat group support to Sized_relobj.
3519 (Relobj::is_section_specially_mapped): Remove.
3520 (Relobj::output_section): Remove poff parameter. Change all
3522 (Relobj::output_section_offset): New function.
3523 (Relobj::set_section_offset): Rewrite.
3524 (Relobj::map_to_output): Remove.
3525 (Relobj::output_sections): New function.
3526 (Relobj::do_output_section_offset): New pure virtual function.
3527 (Relobj::do_set_section_offset): Likewise.
3528 (class Sized_relobj): Add section_offsets_ field. Add comdat
3529 group support from Relobj. Update declarations.
3530 (Sized_relobj::get_output_section_offset): New function.
3531 (Sized_relobj::do_output_section_offset): New function.
3532 (Sized_relobj::do_set_section_offset): New function.
3533 * object.cc (Relobj::output_section_address): Remove.
3534 (Sized_relobj::Sized_relobj): Initialize new fields.
3535 (Sized_relobj::include_section_group): Cast find_kept_object to
3537 (Sized_relobj::include_linkonce_section): Likewise.
3538 (Sized_relobj::do_layout): Use separate arrays for output section
3540 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3542 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3543 output_sections and section_offsets.
3544 (Sized_relobj::write_local_symbols): Likewise.
3545 (map_to_kept_section): Compute output address directly.
3546 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3547 output_sections and section_offsets.
3548 (Sized_relobj::write_sections): Likewise.
3549 (Sized_relobj::relocate_sections): Likewise.
3550 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3551 * output.h (class Output_reloc): Update declarations. Change
3552 u2_.relobj to Sized_relobj*.
3553 (class Output_data_reloc): Change add functions to use
3555 * output.cc (Output_reloc::Output_reloc): Change relobj to
3557 (Output_reloc::local_section_offset): Change return type to
3558 Elf_Addr. Use get_output_section_offset.
3559 (Output_reloc::get_address): Likewise.
3560 (Output_section::is_input_address_mapped): Don't call
3561 is_section_specially_mapped.
3562 (Output_section::output_offset): Likewise.
3563 (Output_section::output_address): Likewise.
3564 (Output_section::starting_output_address): Likewise.
3565 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3566 parameter to Sized_relobj*.
3567 (Copy_relocs::need_copy_reloc): Likewise.
3568 (Copy_relocs::save): Likewise.
3569 * copy-relocs.h (class Copy_relocs): Update declarations.
3570 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3571 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3572 * target-reloc.h (relocate_for_relocatable): Change
3573 offset_in_output_section type to Elf_Addr. Change code that uses
3575 * layout.cc (Layout::layout): Always set *off.
3576 * mapfile.cc (Mapfile::print_input_section): Use
3577 output_section_offset.
3578 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3580 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3581 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3582 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3584 2008-07-03 Ian Lance Taylor <iant@google.com>
3586 * layout.cc (Layout::include_section): Do not discard unrecognized
3587 SHT_STRTAB sections.
3589 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3591 * script.cc (Lex::can_continue_name): Make '?' allowable in
3592 version-script names.
3593 * testsuite/version_script.map: Change glob pattern to use '?'
3595 2008-06-30 Manish Singh <yosh@gimp.org>
3598 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3601 2008-06-30 Ian Lance Taylor <iant@google.com>
3605 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3606 versions]: Don't try to read the value in the contents, since we
3607 don't use it. Use the template endianness when writing.
3609 2008-06-25 Cary Coutant <ccoutant@google.com>
3611 * fileread.cc (File_read::make_view): Assert on zero-length view.
3612 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3613 symbol table when there are no symbols to read.
3615 2008-06-23 Craig Silverstein <csilvers@google.com>
3617 * version.cc (version_string): Bump to 1.7
3619 2008-06-18 Craig Silverstein <csilvers@google.com>
3621 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3622 constant 0xFFFF to type Valtype.
3623 (Powerpc_relocate_functions::rel16_ha): Likewise.
3625 2008-06-17 Ian Lance Taylor <iant@google.com>
3627 * output.h (Output_section::Input_section): Initialize p2align_ to
3628 zero for Output_section_data constructors.
3629 (Output_section::Input_section::addralign): If not an input
3630 section, return the alignment of the Output_section_data.
3631 * testsuite/copy_test.cc: New file.
3632 * testsuite/copy_test_1.cc: New file.
3633 * testsuite/copy_test_2.cc: New file.
3634 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3635 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3636 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3637 (copy_test_1_pic.o, copy_test_1.so): New targets.
3638 (copy_test_2_pic.o, copy_test_2.so): New targets.
3639 * testsuite/Makefile.in: Rebuild.
3641 * script-sections.cc (Script_sections::place_orphan): Initialize
3642 local variable exact.
3644 2008-06-13 David Edelsohn <edelsohn@gnu.org>
3646 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3648 2008-06-12 David Edelsohn <edelsohn@gnu.org>
3649 David S. Miller <davem@davemloft.net>
3651 * powerpc.cc: New file.
3652 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3653 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3654 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3655 * Makefile.in: Rebuild.
3657 2008-06-09 Ian Lance Taylor <iant@google.com>
3659 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3661 (throwing, orig_terminate): New static variables.
3662 (terminate_handler): New static function.
3663 (t2): Set terminate handler.
3665 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3668 * binary.cc (Binary_to_elf::sized_convert): Fix .data
3671 2008-05-30 Cary Coutant <ccoutant@google.com>
3673 * archive.cc (Archive::include_all_members) Correct to step
3674 over symbol table and extended name table in thin archives.
3676 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3679 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3682 2008-05-28 Caleb Howe <cshowe@google.com>
3684 * reduced_debug_output.cc: New file.
3685 * reduced_debug_output.h: New file.
3686 * options.h (class General_options): Add --strip-debug-non-line.
3687 * options.cc (General_options::finalize): Add strip_debug_non_line
3688 to the strip heirarchy.
3689 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3691 * layout.cc: Include "reduced_debug_output.h".
3692 (Layout::Layout): Initialize new fields.
3693 (line_only_debug_sections): New static array.
3694 (is_lines_only_debug_sections): New static inline function.
3695 (Layout::include_section): Handle --strip-debug-non-line.
3696 (Layout::make_output_section): If --strip-debug-non-line, build
3697 new output sections for .debug_abbrev and .debug_info.
3698 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3699 gold. Warn about possible overflow.
3700 (read_signed_LEB_128): Likewise.
3701 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3702 (read_signed_LEB_128): Declare.
3703 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3704 (HFILES): Add reduced_debug_output.h.
3705 * Makefile.in: Rebuild.
3707 2008-05-21 Ian Lance Taylor <iant@google.com>
3709 * mapfile.cc: New file.
3710 * mapfile.h: New file.
3711 * options.h (class General_options): Add -M/--print-map and -Map.
3712 * options.cc (General_options::finalize): Make -M equivalent to
3714 * main.cc: Include <cstdio> and "mapfile.h".
3715 (main): Open mapfile if requested.
3716 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3717 constructor. Change caller.
3718 (queue_initial_tasks): Add mapfile parameter. Change caller.
3719 (queue_middle_tasks): Likewise.
3720 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3722 * archive.cc: Include "mapfile.h".
3723 (Archive::add_symbols): Add mapfile parameter. Change all
3724 callers. Pass mapfile, symbol, and reason to include_member.
3725 (Archive::include_all_members): Add mapfile parameter. Change all
3727 (Archive::include_member): Add mapfile, sym, and why parameters.
3728 Change all callers. Report inclusion to map file.
3729 * archive.h: Include "fileread.h".
3730 (class Archive): Update declarations.
3731 (Archive::file): New const method.
3732 (class Add_archive_symbols): Add mapfile_ field. Update
3733 constructor. Change all callers.
3734 * readsyms.h (class Read_symbols): Likewise.
3735 (class Finish_group): Likewise.
3736 (class Read_script): Likewise.
3737 * common.cc: Include "mapfile.h".
3738 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3740 (Symbol_table::do_allocate_commons): Likewise.
3741 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3742 symbol allocation to mapfile.
3743 * common.h (class Allocate_commons_task): Add mapfile_ field.
3744 Update constructor. Change all callers.
3745 * symtab.h (class Symbol_table): Update declarations.
3746 * layout.cc: Include "mapfile.h".
3747 (Layout_task_runner::run): Print information to mapfile.
3748 (Layout::create_gold_note): Change Output_data_fixed_space to
3749 Output_data_zero_fill.
3750 (Layout::create_build_id): Likewise.
3751 (Layout::print_to_mapfile): New function.
3752 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3753 constructor. Change caller.
3754 (class Layout): Declare print_to_mapfile.
3755 * output.cc (Output_section::Input_section::print_to_mapfile): New
3757 (Output_section::add_input_section): If producing a map, always
3758 add to input_sections_ list.
3759 (Output_section::do_print_to_mapfile): New function.
3760 (Output_segment::print_sections_to_mapfile): New function.
3761 (Output_segment::print_section_list_to_mapfile): New function.
3762 * output.h: Include "mapfile.h".
3763 (Output_data::print_to_mapfile): New function.
3764 (Output_data::do_print_to_mapfile): New virtual function.
3765 (Output_segment_headers::do_print_to_mapfile): New function.
3766 (Output_file_header::do_print_to_mapfile): New function.
3767 (Output_data_const::do_print_to_mapfile): New function.
3768 (class Output_data_const_buffer): Add map_name_ field. Update
3769 constructor. Change all callers. Add do_print_to_mapfile
3771 (class Output_data_fixed_space): Likewise.
3772 (class Output_data_space): Likewise.
3773 (class Output_data_zero_fill): New class.
3774 (Output_data_strtab::do_print_to_mapfile): New function.
3775 (Output_data_reloc_base::do_print_to_mapfile): New function.
3776 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3777 (Output_data_group::do_print_to_mapfile): New function.
3778 (Output_data_got::do_print_to_mapfile): New function.
3779 (Output_data_dynamic::do_print_to_mapfile): New function.
3780 (Output_symtab_xindex::do_print_to_mapfile): New function.
3781 (class Output_section): Declare do_print_to_mapflie. Declare
3782 print_to_mapfile in Input_section.
3783 (class Output_segment): Declare new functions.
3784 * object.h (Sized_relobj::symbol_count): New function.
3785 * script-sections.cc
3786 (Output_section_element_dot_assignment::set_section_addresses):
3787 Change Output_data_fixed_space to Output_data_zero_fill.
3788 (Output_data_expression::do_print_to_mapfile): New function.
3789 * script.cc (read_input_script): Add mapfile parameter. Change
3791 * script.h (read_input_script): Update declaration.
3792 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3793 (Eh_frame::do_print_to_mapfile): New function.
3794 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3795 (Output_merge_string::do_print_to_mapfile): New function.
3796 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3798 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3800 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3802 * Makefile.am (CCFILES): Add mapfile.cc.
3803 (HFILES): Add mapfile.h.
3804 * Makefile.in: Rebuild.
3806 2008-05-19 Ian Lance Taylor <iant@google.com>
3808 * options.h (class General_options): Add -z relro.
3809 * layout.cc (Layout::Layout): Initialize relro_segment_.
3810 (Layout::add_output_section_data): Return the output section.
3811 (Layout::make_output_section): Rcognize relro sections and mark
3813 (Layout::attach_allocated_section_to_segment): Put relro sections
3814 in a PT_GNU_RELRO segment.
3815 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3817 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3819 (Layout::linkonce_mapping): Map d.rel.ro.local to
3821 (Layout::output_section_name): Us .data.rel.ro.local for any
3822 section which begins with that.
3823 * layout.h (class Layout): Update add_output_section_data
3824 declaration. Add relro_segment_ field.
3825 * output.cc (Output_section::Output_section): Initialize is_relro_
3826 and is_relro_local_ fields.
3827 (Output_segment::add_output_section): Group relro sections.
3828 (Output_segment::is_first_section_relro): New function.
3829 (Output_segment::maximum_alignment): If there is a relro section,
3830 align the segment to the common page size.
3831 (Output_segment::set_section_addresses): Track whether we are
3832 looking at relro sections. If the last section is a relro
3833 section, align to the common page size.
3834 (Output_segment::set_section_list_addresses): Add in_relro
3835 parameter. Change all callers. Align to the page size when
3836 moving from relro to non-relro section.
3837 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3839 * output.h (class Output_section): Add is_relro_ and
3840 is_relro_local_ fields.
3841 (Output_section::is_relro): New function.
3842 (Output_section::set_is_relro): New function.
3843 (Output_section::is_relro_local): New function.
3844 (Output_section::set_is_relro_local): New function.
3845 (class Output_segment): Update declarations.
3846 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3847 * sparc.cc (Target_sparc::got_section): Likewise.
3848 * x86_64.cc (Target_x86_64::got_section): Likewise.
3849 * testsuite/relro_test_main.cc: New file.
3850 * testsuite/relro_test.cc: New file.
3851 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3852 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3853 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3854 (relro_test.so, relro_test_pic.o): New targets.
3855 * testsuite/Makefile.in: Rebuild.
3857 2008-05-16 Ian Lance Taylor <iant@google.com>
3859 * output.cc (Output_segment::add_output_section): Remove front
3861 * output.h (class Output_segment): Remove
3862 add_initial_output_section and overloaded add_output_section.
3863 Update declaration of remaining add_output_section.
3864 * layout.cc (Layout::create_interp): Call add_output_section
3865 rather than add_initial_output_section.
3866 (Layout::finish_dynamic_section): Likewise.
3868 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3869 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3870 know the dynamic type.
3871 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3872 field. Initialize it in constructor.
3873 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3874 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3875 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3878 * output.cc (Output_reloc::get_address): Change return type to
3880 * output.h (class Output_reloc): Update get_address declaration.
3881 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3882 for section addresses.
3884 2008-05-09 Ian Lance Taylor <iant@google.com>
3887 * gold.cc (gold_nomem): Use return value of write.
3889 2008-05-08 Ian Lance Taylor <iant@google.com>
3891 * symtab.c (Symbol::init_base_output_data): Add version
3892 parameter. Change all callers.
3893 (Symbol::init_base_output_segment): Likewise.
3894 (Symbol::init_base_constant): Likewise.
3895 (Symbol::init_base_undefined): Likewise.
3896 (Sized_symbol::init_output_data): Likewise.
3897 (Sized_symbol::init_output_segment): Likewise.
3898 (Sized_symbol::init_constant): Likewise.
3899 (Sized_symbol::init_undefined): Likewise.
3900 (Symbol_table::do_define_in_output_data): If the new symbol has a
3901 version, mark it as the default.
3902 (Symbol_table::do_define_in_output_segment): Likewise.
3903 (Symbol_table::do_define_as_constant): Likewise.
3904 * symtab.h (class Symbol): Update declarations.
3905 (class Sized_symbol): Likewise.
3906 * resolve.cc (Symbol::override_version): New function.
3907 (Symbol::override_base): Call override_version.
3908 (Symbol::override_base_with_special): Likewise.
3909 * testsuite/ver_script_8.script: New file.
3910 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3911 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3912 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3913 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3915 2008-05-06 Ian Lance Taylor <iant@google.com>
3918 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3920 (class General_options): Remove existing --undefined, and add
3921 --no-undefined instead. Add new --undefined as synonym for -u.
3922 * archive.cc (Archive::add_symbols): Check whether symbol was
3924 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3925 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3926 all uses. Add IS_UNDEFINED. Update declarations to split
3927 different versions of init_base. Declare init_base_undefined.
3928 (Symbol::is_defined): Handle IS_UNDEFINED.
3929 (Symbol::is_undefined): Likewise.
3930 (Symbol::is_weak_undefined): Call is_undefined.
3931 (Symbol::is_absolute): Handle IS_CONSTANT.
3932 (class Sized_symbol): Update declarations to split different
3933 versions of init. Declare init_undefined.
3934 (class Symbol_table): Declare new functions.
3935 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3937 (Symbol::init_base_output_data): Likewise.
3938 (Symbol::init_base_output_segment): Likewise.
3939 (Symbol::init_base_constant): Likewise.
3940 (Symbol::init_base_undefined): New function.
3941 (Sized_symbol::init_object): Rename from init. Change all
3943 (Sized_symbol::init_output_data): Likewise.
3944 (Sized_symbol::init_output_segment): Likewise.
3945 (Sized_symbol::init_constant): Likewise.
3946 (Sized_symbol::init_undefined): New function.
3947 (Symbol_table::add_undefined_symbols_from_command_line): New
3949 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3951 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3952 (Symbol::output_section): Likewise.
3953 (Symbol::set_output_section): Likewise.
3954 (Symbol_table::sized_finalize_symbol): Likewise.
3955 (Symbol_table::sized_write_globals): Likewise.
3956 * resolve.cc (Symbol_table::should_override): Likewise.
3957 (Symbol::override_base_with_special): Likewise.
3959 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3960 symbol, change it to have default visibility.
3961 * testsuite/protected_1.cc: New file.
3962 * testsuite/protected_2.cc: New file.
3963 * testsuite/protected_3.cc: New file.
3964 * testsuite/protected_main_1.cc: New file.
3965 * testsuite/protected_main_2.cc: New file.
3966 * testsuite/protected_main_3.cc: New file.
3967 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3968 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3969 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3970 (protected_1.so): New target.
3971 (protected_1_pic.o, protected_2_pic.o): New targets.
3972 (protected_3_pic.o): New target.
3973 (check_PROGRAMS): Add protected_2.
3974 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3975 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3976 * testsuite/Makefile.in: Rebuild.
3978 * options.h (DEFINE_var): Add set_user_set_##varname__.
3979 (DEFINE_bool_alias): New macro.
3980 (class General_options): Define -Bstatic using DEFINE_bool_alias
3981 rather than DEFINE_special. Add --undefined as an alias for -z
3983 * options.cc (General_options::parse_Bstatic): Remove.
3985 * options.h (class General_options): Add --fatal-warnings.
3986 * main.cc (main): Implement --fatal-warnings.
3987 * errors.h (Errors::warning_count): New function.
3989 * options.h (class General_options): Add -Bsymbolic-functions.
3990 * symtab.h (Symbol::is_preemptible): Check for
3991 -Bsymbolic-functions.
3993 2008-05-05 Ian Lance Taylor <iant@google.com>
3995 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3996 as noVARNAME rather than no-VARNAME.
3997 (class General_options): Add option -z combreloc.
3998 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4000 (Output_reloc::sort_before) [SHT_REL]: New function.
4001 (Output_reloc::sort_before) [SHT_RELA]: New function.
4002 (class Output_data_reloc_base): Add sort_relocs_ field. Define
4003 Sort_relocs_comparison.
4004 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4005 parameter. Change all callers.
4006 (Output_data_reloc::Output_data_reloc) [both versions]: Add
4007 sort_relocs parameter. Change all callers.
4008 * output.cc (Output_reloc::get_address): New function, broken out
4010 (Output_reloc::write_rel): Call it.
4011 (Output_reloc::compare): New function.
4012 (Output_data_reloc_base::do_write): Optionally sort relocs.
4014 * configure.ac: If targ_extra_obj is set, link it in.
4015 * configure.tgt: Initialize all variables.
4016 (x86_64*): Set targ_extra_obj and targ_extra_size.
4017 * configure: Rebuild.
4019 * object.cc (Sized_relobj::include_section_group): Adjust section
4020 indexes read from group data. Build vector to pass to
4022 * layout.cc (Layout::layout_group): Add flags and shndxes
4023 parameters. Remove contents parameter. Change caller. Update
4024 explicit instantiations.
4025 * layout.h (class Layout): Update layout_group declaration.
4026 * output.cc (Output_data_group::Output_data_group): Add flags and
4027 input_shndxes parameters. Remove contents parameter. Change
4029 (Output_data_group::do_write): Change input_sections_ to
4031 * output.h (class Output_data_group): Update constructor
4032 declaration. Rename input_sections_ to input_shndxes_.
4033 * testsuite/many_sections_test.cc: Add template.
4035 2008-04-30 Cary Coutant <ccoutant@google.com>
4037 * target-reloc.h (relocate_section): Fix dead-pointer bug.
4039 * layout.cc (Layout::include_section): Refactored check for debug
4041 (Layout::add_comdat): Add new parameters. Change type
4042 of signature parameter. Add object and shndx to signatures table.
4043 (Layout::find_kept_object): New function.
4044 * layout.h: Include <cstring>.
4045 (Layout::is_debug_info_section): New function.
4046 (Layout::add_comdat): Add new parameters.
4047 (Layout::find_kept_object): New function.
4048 (Layout::Kept_section): New struct.
4049 (Layout::Signatures): Change type of map range.
4050 * object.cc (Relobj::output_section_address): New function.
4051 (Sized_relobj::include_section_group): Add new parameters. Change
4052 calls to Layout::add_comdat. Change to build table of kept comdat
4053 groups and table mapping discarded sections to kept sections.
4054 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
4055 (Sized_relobj::do_layout): Change calls to include_section_group and
4056 include_linkonce_section.
4057 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4058 value to zero when section is discarded.
4059 (Sized_relobj::map_to_kept_section): New function.
4060 * object.h (Relobj::output_section_address): New function.
4061 (Relobj::Comdat_group): New type.
4062 (Relobj::find_comdat_group): New function.
4063 (Relobj::Comdat_group_table): New type.
4064 (Relobj::Kept_comdat_section): New type.
4065 (Relobj::Kept_comdat_section_table): New type.
4066 (Relobj::add_comdat_group): New function.
4067 (Relobj::set_kept_comdat_section): New function.
4068 (Relobj::get_kept_comdat_section): New function.
4069 (Relobj::comdat_groups_): New field.
4070 (Relobj::kept_comdat_sections_): New field.
4071 (Symbol_value::input_value): Update comment.
4072 (Sized_relobj::map_to_kept_section) New function.
4073 (Sized_relobj::include_linkonce_section): Add new parameter.
4074 * target-reloc.h (Comdat_behavior): New type.
4075 (get_comdat_behavior): New function.
4076 (relocate_section): Add code to map a discarded section to the
4077 corresponding kept section when applying a relocation.
4079 2008-04-30 Craig Silverstein <csilvers@google.com>
4081 * dwarf_reader.cc (next_generation_count): New static var.
4082 (Addr2line_cache_entry): New struct.
4083 (addr2line_cache): New static var.
4084 (Dwarf_line_info::one_addr2line): Added caching.
4085 (Dwarf_line_info::clear_addr2line_cache): New function.
4086 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4087 cache-size parameter.
4088 (Dwarf_line_info::one_addr2line_cache): New function.
4089 * symtab.cc (Symbol_table::detect_odr_violations): Pass
4090 new cache-size argument to one_addr2line(), and clear cache.
4092 2008-04-28 Cary Coutant <ccoutant@google.com>
4094 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4095 R_386_PC8 relocations.
4097 2008-04-23 Ian Lance Taylor <iant@google.com>
4099 * object.cc (Sized_relobj::include_section_group): Check for
4100 invalid section group.
4102 * object.cc (make_elf_object): Correct test for 64-bit ELF file
4105 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4106 than read for file header.
4107 * archive.cc (Archive::include_member): Likewise.
4109 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
4111 * aclocal.m4: Regenerate.
4112 * configure: Regenerate.
4114 2008-04-19 Ian Lance Taylor <iant@google.com>
4116 * version.cc (version_string): Bump to 1.6.
4118 * testsuite/Makefile.am (many_sections_r_test): New target.
4119 (many_sections_r_test_SOURCES): Remove.
4120 (many_sections_r_test_DEPENDENCIES): Remove.
4121 (many_sections_r_test_LDFLAGS): Remove.
4122 (many_sections_r_test_LDADD): Remove.
4124 * object.cc (Sized_relobj::do_add_symbols): Always pass
4125 local_symbol_count_ to add_from_relobj.
4127 * testsuite/Makefile.am (many_sections_check.h): Only check one in
4128 every thousand variables.
4129 * testsuite/Makefile.in: Rebuild.
4131 * object.cc (Xindex::initialize_symtab_xindex): New function.
4132 (Xindex::read_symtab_xindex): New function.
4133 (Xindex::sym_xindex_to_shndx): New function.
4134 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4136 (Sized_relobj::do_initialize_xindex): New function.
4137 (Sized_relobj::do_read_symbols): Adjust section links.
4138 (Sized_relobj::symbol_section_and_value): Add is_ordinary
4139 parameter. Change all callers.
4140 (Sized_relobj::include_section_group): Adjust section links and
4141 symbol section indexes.
4142 (Sized_relobj::do_layout): Adjust section links.
4143 (Sized_relobj::do_count_local_symbols): Adjust section links and
4144 symbol section indexes.
4145 (Sized_relobj::do_finalize_local_symbols): Distinguish between
4146 ordinary and special symbols.
4147 (Sized_relobj::write_local_symbols): Add symtab_xindex and
4148 dynsym_xindex parameters. Change all callers. Adjust section
4149 links. Use SHN_XINDEX when needed.
4150 (Sized_relobj::get_symbol_location_info): Adjust section links.
4151 Don't get fooled by special symbols.
4152 * object.h (class Xindex): Define.
4153 (class Object): Add xindex_ parameter. Declare virtual functoin
4154 do_initialize_xindex.
4155 (Object::adjust_sym_shndx): New function.
4156 (Object::set_xindex): New protected function.
4157 (class Symbol_value): Add is_ordinary_shndx_ field.
4158 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4159 (Symbol_value::value): Assert ordinary section.
4160 (Symbol_value::initialize_input_to_output_map): Likewise.
4161 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4163 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
4165 (class Sized_relobj): Update declarations.
4166 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4167 parameter. Change all callers.
4168 (Sized_relobj::adjust_shndx): New function.
4169 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4171 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4172 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
4173 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
4174 (Sized_dynobj::read_dynsym_section): Adjust section links.
4175 (Sized_dynobj::read_dynamic): Likewise.
4176 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
4178 (Sized_dynobj::do_initialize_xindex): New function.
4179 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
4180 do_initialize_xindex.
4181 (Sized_dynobj::adjust_shndx): New function.
4182 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4183 dynsym_xindex_ fields.
4184 (Layout::finalize): Add a call to set_section_indexes before
4185 creating the symtab sections.
4186 (Layout::set_section_indexes): Don't do anything if the section
4187 already has a section index.
4188 (Layout::create_symtab_sections): Add shnum parameter. Change
4189 caller. Create .symtab_shndx section if needed.
4190 (Layout::create_shdrs): Add shstrtab_section parameter. Change
4192 (Layout::allocated_output_section_count): New function.
4193 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4195 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4196 fields. Update declarations.
4197 (Layout::symtab_xindex): New function.
4198 (Layout::dynsym_xindex): New function.
4199 (class Write_symbols_task): Add layout_ field.
4200 (Write_symbols_task::Write_symbols_task): Add layout parameter.
4202 * output.cc (Output_section_headers::Output_section_headers): Add
4203 shstrtab_section parameter. Change all callers.
4204 (Output_section_headers::do_sized_write): Store overflow values
4205 for section count and section string table section index in
4206 section header zero.
4207 (Output_file_header::do_sized_write): Check for overflow of
4208 section count and section string table section index.
4209 (Output_symtab_xindex::do_write): New function.
4210 (Output_symtab_xindex::endian_do_write): New function.
4211 * output.h (class Output_section_headers): Add shstrtab_section_.
4212 Update declarations.
4213 (class Output_symtab_xindex): Define.
4214 (Output_section::has_out_shndx): New function.
4215 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4217 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4219 (Sized_symbol::init): Likewise.
4220 (Symbol::output_section): Check for ordinary symbol.
4221 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
4222 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
4224 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4225 Change all callers. Simplify handling of symbols from sections
4226 not included in the link.
4227 (Symbol_table::add_from_dynobj): Handle ordinary symbol
4229 (Weak_alias_sorter::operator()): Assert that symbols are
4231 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4233 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4234 parameters. Change all callers.
4235 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
4236 symbol distinction. Use SHN_XINDEX when needed.
4237 (Symbol_table::write_section_symbol): Add symtab_xindex
4238 parameter. Change all callers.
4239 (Symbol_table::sized_write_section_symbol): Likewise. Use
4240 SHN_XINDEX when needed.
4241 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
4243 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
4244 (Symbol::is_defined): Check is_ordinary.
4245 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4246 (Symbol::is_absolute, Symbol::is_common): Likewise.
4247 (class Sized_symbol): Update declarations.
4248 (class Symbol_table): Update declarations.
4249 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4250 parameters. Change all callers.
4251 (Sized_symbol::override): Likewise.
4252 (Symbol_table::override): Likewise.
4253 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
4254 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
4255 is_ordinary, and orig_st_shndx parameters. Change all callers.
4256 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4257 to be in an ordinary section.
4258 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4259 object and is_ordinary parameters. Change all callers.
4260 (Sized_dwarf_line_info::read_relocs): Add object parameter.
4261 Change all callers. Don't add undefined or non-ordinary symbols
4263 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4265 * dwarf_reader.h (class Sized_dwarf_line_info): Update
4267 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4268 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4269 (Sized_relobj::relocate_sections): Likewise.
4270 * target-reloc.h (scan_relocs): Adjust section symbol index.
4271 (scan_relocatable_relocs): Likewise.
4272 * i386.cc (Scan::local): Check for ordinary symbols.
4273 * sparc.cc (Scan::local): Likewise.
4274 * x86_64.cc (Scan::local): Likewise.
4275 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4276 to symbol_section_and_value.
4277 * testsuite/many_sections_test.cc: New file.
4278 * testsuite/Makefile.am (BUILT_SOURCES): Define.
4279 (check_PROGRAMS): Add many_sections_test.
4280 (many_sections_test_SOURCES): Define.
4281 (many_sections_test_DEPENDENCIES): Define.
4282 (many_sections_test_LDFLAGS): Define.
4283 (BUILT_SOURCES): Add many_sections_define.h.
4284 (many_sections_define.h): New target.
4285 (BUILT_SOURCES): Add many_sections_check.h.
4286 (many_sections_check.h): New target.
4287 (check_PROGRAMS): Add many_sections_r_test.
4288 (many_sections_r_test_SOURCES): Define.
4289 (many_sections_r_test_DEPENDENCIES): Define.
4290 (many_sections_r_test_LDFLAGS): Define.
4291 (many_sections_r_test_LDADD): Define.
4292 (many_sections_r_test.o): New target.
4293 * testsuite/Makefile.in: Rebuild.
4295 2008-04-17 Cary Coutant <ccoutant@google.com>
4297 * errors.cc (Errors::info): New function.
4298 (gold_info): New function.
4299 * errors.h (Errors::info): New function.
4300 * gold.h (gold_info): New function.
4301 * object.cc (Input_objects::add_object): Print trace output.
4302 * options.cc (options::parse_set): New function.
4303 (General_options::parse_wrap): Deleted.
4304 (General_options::General_options): Deleted initializer.
4305 * options.h (options::String_set): New typedef.
4306 (options::parse_set): New function.
4307 (DEFINE_set): New macro.
4308 (General_options::wrap): Changed to use DEFINE_set. Changed
4309 callers of any_wrap_symbols and is_wrap_symbol.
4310 (General_options::trace, General_options::trace_symbol):
4312 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4313 (General_options::wrap_symbols_): Deleted.
4314 * symtab.cc (Symbol_table::add_from_object): Print trace output.
4316 2008-04-17 David S. Miller <davem@davemloft.net>
4318 * options.cc (General_options::parse_V): New function.
4319 * options.h: Add entries for -V and -Qy.
4321 2008-04-17 Ian Lance Taylor <iant@google.com>
4323 * common.cc (Symbol_table::allocate_commons): Remove options
4324 parameter. Change caller.
4325 (Symbol_table::do_allocate_commons): Remove options parameter.
4326 Change caller. Just call do_allocate_commons_list twice.
4327 (Symbol_table::do_allocate_commons_list): New function, broken out
4328 of do_allocate_commons.
4329 * common.h (class Allocate_commons_task): Remove options_ field.
4331 * symtab.cc (Symbol_table::Symbol_table): Initialize
4333 (Symbol_table::add_from_object): Put TLS common symbols on
4335 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4336 which are IN_OUTPUT_DATA.
4337 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
4338 allocate_commons and do_allocate_commons declarations. Declare
4339 do_allocate_commons_list.
4340 * gold.cc (queue_middle_tasks): Update creation of
4341 Allocate_commons_task to not pass options.
4342 * testsuite/Makefile.am (INCLUDES): Add -I.. .
4343 (TLS_TEST_C_FLAGS): New variable.
4344 (tls_test_c_pic.o): New target.
4345 (tls_test_shared.so): Link in tls_test_c_pic.o.
4346 (tls_test_c_pic_ie.o): New target.
4347 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4348 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4349 (tls_test_c.o): New target.
4350 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4351 (tls_pic_test_LDADD): Likewise.
4352 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4353 (tls_shared_gd_to_ie_test_LDADD): Likewise.
4354 (tls_test_c_gnu2.o): New target.
4355 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4357 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4358 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4359 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4360 * testsuite/tls_test.cc: Include "config.h".
4361 (t_last): Call t11_last.
4362 * testsuite/tls_test.h (t11, t11_last): Declare.
4363 * testsuite/tls_test_c.c: New file.
4364 * testsuite/tls_test_main.cc (thread_routine): Call t11.
4365 * configure.ac: Check for OpenMP support.
4366 * configure, config.in, Makefile.in: Rebuild.
4367 * testsuite/Makefile.in: Rebuild.
4369 2008-04-16 Cary Coutant <ccoutant@google.com>
4371 * i386.cc (Target_i386::define_tls_base_symbol): New function.
4372 (Target_i386::tls_base_symbol_defined_): New field.
4373 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4374 (Target_i386::Scan::global): Likewise.
4375 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4376 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4377 (Target_x86_64::tls_base_symbol_defined_): New field.
4378 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4379 (Target_x86_64::Scan::global): Likewise.
4381 2008-04-16 Cary Coutant <ccoutant@google.com>
4383 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4384 (Symbol::needs_plt_entry): Allow weak undefined symbols.
4385 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4386 building shared libraries.
4387 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4388 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4389 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4390 * testsuite/Makefile.in: Rebuild.
4391 * testsuite/weak_undef.h: New file.
4392 * testsuite/weak_undef_file1.cc: Add extra test cases.
4393 * testsuite/weak_undef_file2.cc: Likewise.
4394 * testsuite/weak_undef_test.cc: Likewise.
4396 2008-04-16 David S. Miller <davem@davemloft.net>
4398 * sparc.cc (Target_sparc::Scan): Change from struct to class.
4399 Add issued_non_pic_error_ field. Declare check_non_pic.
4400 (Target_sparc::Scan::check_non_pic): New function.
4401 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4402 (Target_sparc::Scan::global): Likewise.
4404 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4405 * configure: Rebuild.
4407 * options.h (DEFINE_enable): New macro.
4408 (new_dtags): New enable option.
4409 (initfirst, interpose, loadfltr, nodefaultlib,
4410 nodelete, nodlopen, nodump): New -z options.
4411 * layout.cc (Layout:finish_dynamic_section): If new
4412 dtags enabled, emit DT_RUNPATH. Also, emit a
4413 DT_FLAGS_1 containing any specified -z flags.
4415 2008-04-16 Ian Lance Taylor <iant@google.com>
4417 * copy-relocs.cc: New file.
4418 * copy-relocs.h: New file.
4419 * reloc.cc: Remove Copy_relocs code.
4420 * reloc.h: Likewise.
4421 * reloc-types.h (struct Reloc_types) [both versions]: Add
4422 get_reloc_addend_noerror.
4423 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4424 variants of add_global which take an addend which must be zero.
4425 * i386.cc: Include "copy-relocs.h".
4426 (class Target_i386): Change type of copy_relocs_ to variable,
4428 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4430 (Target_i386::do_finalize_sections): Change handling of
4432 * sparc.cc: Include "copy-relocs.h".
4433 (class Target_sparc): Change type of copy_relocs_ to variable,
4435 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4437 (Target_sparc::do_finalize_sections): Change handling of
4439 * x86_64.cc: Include "copy-relocs.h".
4440 (class Target_x86_64): Change type of copy_relocs_ to variable,
4442 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4443 class. Change all callers.
4444 (Target_x86_64::do_finalize_sections): Change handling of
4446 * Makefile.am (CCFILES): Add copy-relocs.cc.
4447 (HFILES): Add copy-relocs.h.
4449 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4451 * testsuite/script_test_4.sh: Permit leading zeroes.
4453 2008-04-15 Ian Lance Taylor <iant@google.com>
4455 * script-sections.cc (Script_sections::create_segments): Use
4456 header_size_adjustment even when there is enough room for the
4458 * testsuite/script_test_4.sh: New file.
4459 * testsuite/script_test_4.t: New file.
4460 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4461 (check_DATA): Add script_test_4.stdout.
4462 (MOSTLYCLEANFILES): Likewise.
4463 (script_test_4): New target.
4464 (script_test_4.stdout): New target.
4465 * testsuite/Makefile.in: Rebuild.
4467 * sparc.cc: Add definitions for Output_data_plt_sparc class
4470 2008-04-14 David S. Miller <davem@davemloft.net>
4472 * sparc.cc: New file.
4473 * Makefile.am (TARGETSOURCES): Add sparc.cc
4474 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4475 * configure.tgt: Document targ_extra_size and
4476 targ_extra_big_endian. Add entries for sparc-* and
4478 * configure.ac: Handle targ_extra_size and
4479 targ_extra_big_endian.
4480 * Makefile.in: Rebuild.
4481 * configure: Likewise.
4482 * po/POTFILES.in: Likewise.
4483 * po/gold.pot: Likewise.
4485 2008-04-14 Ian Lance Taylor <iant@google.com>
4487 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4488 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4489 in the name/type/flags to section mapping. Don't call
4490 allocate_output_section.
4491 (Layout::choose_output_section): Change parameter from adjust_name
4492 to is_input_section. Don't permit input sections after sections
4493 are attached to segments. Don't call allocate_output_section.
4494 (Layout::layout_eh_frame): Call update_flags_for_input_section,
4495 not write_enable_output_section.
4496 (Layout::make_output_section): Don't push to
4497 unattached_section_list_ nor call attach_to_segment. Call
4498 attach_section_to_segment if sections are attached.
4499 (Layout::attach_sections_to_segments): New function.
4500 (Layout::attach_section_to_segment): New function.
4501 (Layout::attach_allocated_section_to_segment): Rename from
4502 attach_to_segment. Remove flags parameter.
4503 (Layout::allocate_output_section): Remove function.
4504 (Layout::write_enable_output_section): Remove function.
4505 * layout.h (class Layout): Update for above changes. Add new
4506 field sections_are_attached_.
4507 * output.h (Output_section::update_flags_for_input_section): New
4509 * output.cc (Output_section::add_input_section): Call
4510 update_flags_for_input_section.
4511 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4513 2008-04-11 Cary Coutant <ccoutant@google.com>
4515 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4516 thought unnecessary.
4517 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4519 2008-04-11 Ian Lance Taylor <iant@google.com>
4521 * output.h (class Output_section_data): Remove inline definition
4523 * output.cc (Output_section_data::set_addralign): New function.
4525 2008-04-11 Cary Coutant <ccoutant@google.com>
4527 Add support for TLS descriptors for i386 and x86_64.
4528 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4529 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4530 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4532 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4533 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4534 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4536 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4537 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4538 Fix problem with initial-exec relocations.
4539 (Target_i386::Relocate::relocate_tls): Likewise.
4540 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4542 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4543 support for section-plus-offset dynamic table entries.
4544 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4545 (Output_data_dynamic::Dynamic_entry): Add support for
4546 section-plus-offset dynamic table entries.
4547 (Output_data_dynamic::Classification): Likewise.
4548 (Output_data_dynamic::classification_): Renamed offset_.
4549 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4550 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4551 (Target_x86_64::make_plt_section): New function.
4552 (Target_x86_64::reserve_tlsdesc_entries): New function.
4553 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4554 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4555 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4556 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4557 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4558 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4559 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4560 add extra PLT entry for TLS descriptors.
4561 (Output_data_plt_x86_64::got_): New field.
4562 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4563 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4565 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4567 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4568 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4569 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4570 R_386_TLS_DESC_CALL relocations.
4571 (Target_x86_64::Scan::global): Likewise.
4572 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4573 for TLS descriptors.
4574 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4575 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4576 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4577 GD-to-IE relaxation.
4578 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4579 and TLS_DESCRIPTORS.
4580 * Makefile.in: Rebuild.
4581 * configure: Rebuild.
4582 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4583 (tls_test_shared2.so): New target.
4584 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4585 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4586 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4587 (tls_shared_gd_to_ie_test_LDADD): New variable.
4588 (tls_shared_gnu2_gd_to_ie_test): New target.
4589 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4591 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4592 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4593 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4594 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4595 (tls_shared_gnu2_test): New target.
4596 (tls_test_gnu2_shared.so): New target.
4597 (tls_shared_gnu2_test_SOURCES): New variable.
4598 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4599 (tls_shared_gnu2_test_LDFLAGS): New variable.
4600 (tls_shared_gnu2_test_LDADD): New variable.
4601 * testsuite/Makefile.in: Rebuild.
4602 * testsuite/Makefile.
4604 2008-04-11 Ian Lance Taylor <iant@google.com>
4606 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4608 * testsuite/Makefile.in: Rebuild.
4610 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4612 * testsuite/script_test_2.cc (main): Adjust test.
4614 2008-04-11 David S. Miller <davem@davemloft.net>
4615 Ian Lance Taylor <iant@google.com>
4617 * options.h (General_options): Add entries for '-Y' and
4619 * options.cc (General_options:finalize): If -Y was used, add those
4620 entries to the library path instead of the default "/lib" and
4623 2008-04-11 David S. Miller <davem@davemloft.net>
4625 * testsuite/justsyms.t: Start at 0x100.
4626 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4627 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4629 * testsuite/script_test_2.cc: Adjust string and section length
4632 2008-04-09 Ian Lance Taylor <iant@google.com>
4635 * script-sections.cc (Sections_element::allocate_to_segment): Add
4637 (Output_section_definition::allocate_to_segment): Likewise.
4638 (Orphan_output_section::allocate_to_segment): Likewise.
4639 (Script_sections::attach_sections_using_phdrs_clause): Don't
4640 propagate non-PT_LOAD segments to orphan sections.
4641 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4642 readelf rather than objdump.
4643 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4644 .interp section and PT_INTERP segment are the same size.
4645 * testsuite/Makefile.in: Rebuild.
4647 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4648 aliases for symbols defined in the same object.
4649 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4650 (weak_alias_test_SOURCES): New variable.
4651 (weak_alias_test_DEPENDENCIES): New variable.
4652 (weak_alias_test_LDFLAGS): New variable.
4653 (weak_alias_test_LDADD): New variable.
4654 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4655 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4656 (weak_alias_test_3.o): New target.
4657 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4658 * testsuite/weak_alias_test_main.cc: New file.
4659 * testsuite/weak_alias_test_1.cc: New file.
4660 * testsuite/weak_alias_test_2.cc: New file.
4661 * testsuite/weak_alias_test_3.cc: New file.
4663 2008-04-08 Ian Lance Taylor <iant@google.com>
4665 * options.h (class General_options): Add --noinhibit-exec option.
4666 * main.cc (main): Check --noinhibit-exec.
4668 * options.h (class General_options): Define --wrap as a special
4669 option. Add wrap_symbols_ field.
4670 (General_options::any_wrap_symbols): New function.
4671 (General_options::is_wrap_symbol): New function.
4672 * options.cc (General_options::parse_wrap): New function.
4673 (General_options::General_options): Initialize wrap_symbols_.
4674 * symtab.cc (Symbol_table::wrap_symbol): New function.
4675 (Symbol_table::add_from_object): Handle --wrap.
4676 * symtab.h (class Symbol_table): Declare wrap_symbol.
4677 * target.h (Target::wrap_char): New function.
4678 (Target::Target_info): Add wrap_char field.
4679 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4680 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4681 * testsuite/testfile.cc (Target_test::test_target_info):
4684 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4687 * layout.h (class Layout): Add added_eh_frame_data_ field.
4688 * layout.cc (Layout::Layout): Initialize new field.
4689 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4690 output section until we find a section we merged successfully.
4691 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4692 that the size be non-zero.
4694 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4697 2008-04-08 Craig Silverstein <csilvers@google.com>
4699 * configure.ac: Export new conditional variable HAVE_ZLIB.
4700 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4702 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4703 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4705 2008-04-07 Ian Lance Taylor <iant@google.com>
4707 * version.cc (version_string): Set to "1.5".
4709 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4710 Add issued_non_pic_error_ field. Declare check_non_pic.
4711 (Target_x86_64::Scan::check_non_pic): New function.
4712 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4713 (Target_x86_64::Scan::global): Likewise.
4715 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4716 addend parameter. Change caller. Handle merge sections.
4717 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4718 Address to Addend. Don't add in the result of
4719 local_section_offset, pass down the addend and use the returned
4721 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4722 Update declarations of local_section_offset and symbol_value.
4723 * testsuite/two_file_test_1.cc (t18): New function.
4724 * testsuite/two_file_test_2.cc (f18): New function.
4725 * testsuite/two_file_test_main.cc (main): Call t18.
4726 * testsuite/two_file_test.h (t18, f18): Declare.
4728 * configure.ac: Don't test for objdump, c++filt, or readelf.
4729 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4731 (TEST_READELF): New variable.
4732 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4733 (check_PROGRAMS): Add two_file_strip_test.
4734 (two_file_strip_test): New target.
4735 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4736 (two_file_same_shared_strip_test_SOURCES): New variable.
4737 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4738 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4739 (two_file_same_shared_strip_test_LDADD): New variable.
4740 (two_file_shared_strip.so): New target.
4741 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4742 (ver_test_5.syms, ver_test_7.syms): Likewise.
4743 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4744 (strip_test_3.stdout): Use TEST_OBJDUMP.
4745 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4747 2008-04-04 Cary Coutant <ccoutant@google.com>
4749 * symtab.h (Symbol::is_weak_undefined): New function.
4750 (Symbol::is_strong_undefined): New function.
4751 (Symbol::is_absolute): New function.
4752 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4753 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4755 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4756 (weak_undef_test): New target.
4757 * testsuite/Makefile.in: Rebuild.
4758 * testsuite/weak_undef_file1.cc: New file.
4759 * testsuite/weak_undef_file2.cc: New file.
4760 * testsuite/weak_undef_test.cc: New file.
4762 2008-04-03 Craig Silverstein <csilvers@google.com>
4764 * compressed_output.h (class Output_compressed_section): Use
4766 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4768 (zlib_compressed_suffix): Removed.
4769 (Output_compressed_section::set_final_data_size): Use unsigned
4771 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4772 Fix linker invocation.
4773 (flagstest_o_specialfile_and_compress_debug_sections):
4775 * testsuite/Makefile.in: Regenerated.
4777 2008-04-02 David S. Miller <davem@davemloft.net>
4779 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4780 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4782 2008-04-02 Craig Silverstein <csilvers@google.com>
4786 2008-04-02 Ian Lance Taylor <iant@google.com>
4788 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4789 parameters. Update for new key type to views_. Change all
4791 (File_read::read): Adjust for byteshift in returned view.
4792 (File_read::add_view): New function, broken out of
4794 (File_read::make_view): New function, broken out of
4796 (File_read::find_or_make_view): Add offset and aligned
4797 parameters. Rewrite accordingly. Change all callers.
4798 (File_read::get_view): Add offset and aligned parameters. Adjust
4799 for byteshift in return value.
4800 (File_read::get_lasting_view): Likewise.
4801 * fileread.h (class File_read): Update declarations.
4802 (class File_read::View): Add byteshift_ field. Add byteshift to
4803 constructor. Add byteshift method.
4804 * archive.h (Archive::clear_uncached_views): New function.
4805 (Archive::get_view): Add aligned parameter. Change all callers.
4806 * object.h (Object::get_view): Add aligned parameter. Change all
4808 (Object::get_lasting_view): Likewise.
4810 * fileread.cc (File_read::release): Don't call clear_views if
4811 there are multiple objects.
4812 * fileread.h (File_read::clear_uncached_views): New function.
4813 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4816 2008-03-31 Cary Coutant <ccoutant@google.com>
4818 Add thin archive support.
4819 * archive.cc (Archive::armagt): New const.
4820 (Archive::setup): Remove task parameter and calls to unlock.
4821 (Archive::unlock_nested_archives): New function.
4822 (Archive::read_header): Add nested_off parameter. Change
4824 (Archive::interpret_header): Likewise.
4825 (Archive::include_all_members): Change to handle thin
4827 (Archive::include_member): Likewise.
4828 * archive.h (Archive::Archive): Add new parameters and
4830 (Archive::armagt): New const.
4831 (Archive::setup): Remove task parameter.
4832 (Archive::unlock_nested_archives): New function.
4833 (Archive::read_header): Add nested_off parameter.
4834 (Archive::interpret_header): Likewise.
4835 (Archive::Nested_archive_table): New typedef.
4836 (Archive::is_thin_archive_): New field.
4837 (Archive::nested_archives_): New field.
4838 (Archive::options_): New field.
4839 (Archive::dirpath_): New field.
4840 (Archive::task_): New field.
4841 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4842 for thin archives. Pass additional parameters to
4843 Archive::Archive. Unlock the archive file after calling
4846 2008-03-29 Ian Lance Taylor <iant@google.com>
4848 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4849 version symbol to be local.
4850 * testsuite/ver_test_4.sh: New file.
4851 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4852 (check_DATA): Add ver_test_4.syms.
4853 (ver_test_4.syms): New target.
4854 * testsuite/Makefile.in: Rebuild.
4857 (Output_section::Input_section_sort_entry::has_priority): New
4859 (Output_section::Input_section_sort_entry::match_file_name): New
4861 (Output_section::Input_section_sort_entry::match_section_name):
4863 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4865 (Output_section::Input_section_sort_entry::match_section_file):
4867 (Output_section::Input_section_sort_compare::operator()): Rewrite
4868 using new Input_section_sort_entry functions. Sort crtbegin and
4869 crtend first. Sort sections with no priority before sections with
4871 * testsuite/initpri1.c (d3): Check j != 4.
4872 (cd5): New constructor/destructor function.
4873 (main): Check j != 2.
4875 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4876 new symbol when resolving, don't call set_is_default.
4877 * testsuite/ver_test_7.cc: New file.
4878 * testsuite/ver_test_7.sh: New file.
4879 * testsuite/Makefile.am (ver_test_7.so): New target.
4880 (ver_test_7.o): New target.
4881 (check_SCRIPTS): Add ver_test_7.sh.
4882 (check_DATA): Add ver_test_7.syms.
4883 (ver_test_7.syms): New target.
4885 2008-03-28 Ian Lance Taylor <iant@google.com>
4887 * layout.cc (Layout::layout): If we see an input section with a
4888 name that needs sorting, set the must_sort flag for the output
4890 (Layout::make_output_section): If the name of the output section
4891 indicates that it might require sorting, set the may_sort flag.
4892 * output.h (Output_section::may_sort_attached_input_sections): New
4894 (Output_section::set_may_sort_attached_input_sections): New
4896 (Output_section::must_sort_attached_input_sections): New
4898 (Output_section::set_must_sort_attached_input_sections): New
4900 (class Output_section): Declare Input_section_sort_entry. Define
4901 Input_section_sort_compare. Declare
4902 sort_attached_input_sections. Add new fields:
4903 may_sort_attached_input_sections_,
4904 must_sort_attached_input_sections_,
4905 attached_input_sections_are_sorted_.
4906 * output.cc (Output_section::Output_section): Initialize new
4908 (Output_section::add_input_section): Add an entry to
4909 input_sections_ if may_sort or must_sort are true.
4910 (Output_section::set_final_data_size): Call
4911 sort_attached_input_sections if necessary.
4912 (Output_section::Input_section_sort_entry): Define new class.
4913 (Output_section::Input_section_sort_compare::operator()): New
4915 (Output_section::sort_attached_input_sections): New function.
4916 * configure.ac: Check whether the compiler supports constructor
4917 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4918 * testsuite/initpri1.c: New file.
4919 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4920 CONSTRUCTOR_PRIORITY.
4921 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4922 (initpri1_LDFLAGS): New variable.
4923 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4925 2008-03-27 Ian Lance Taylor <iant@google.com>
4927 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4928 * testsuite/common_test_1.c: New file.
4929 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4930 (common_test_1_SOURCES): New variable.
4931 (common_test_1_DEPENDENCIES): New variable.
4932 (common_test_1_LDFLAGS): New variable.
4934 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4935 and commons_ correctly when NAME/VERSION does not override
4937 * testsuite/ver_test_6.c: New file.
4938 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4939 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4940 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4942 2008-03-26 Ian Lance Taylor <iant@google.com>
4944 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4945 of an undefined symbol from a version script.
4946 * testsuite/Makefile.am (ver_test_5.so): New target.
4947 (ver_test_5.o): New target.
4948 (check_SCRIPTS): Add ver_test_5.sh.
4949 (check_DATA): Add ver_test_5.syms.
4950 (ver_test_5.syms): New target.
4951 * testsuite/ver_test_5.cc: New file.
4952 * testsuite/ver_test_5.script: New file.
4953 * testsuite/ver_test_5.sh: New file.
4954 * Makefile.in, testsuite/Makefile.in: Rebuild.
4957 Fix problems building gold with gcc 4.3.0.
4958 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4959 (gold_error_at_location, gold_warning_at_location): Use it.
4960 * configure.ac: Check whether we can compile and use a template
4961 function with a printf attribute.
4962 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4963 when jumping over bytes.
4964 * object.cc: Instantiate Object::read_section_data.
4965 * debug.h: Include <cstring>
4966 * dwarf_reader.cc: Include <algorithm>
4967 * main.cc: Include <cstring>.
4968 * options.cc: Include <cstring>.
4969 * output.cc: Include <cstring>.
4970 * script.cc: Include <cstring>.
4971 * script.h: Include <string>.
4972 * symtab.cc: Include <cstring> and <algorithm>.
4973 * target-select.cc: Include <cstring>.
4974 * version.cc: Include <string>.
4975 * testsuite/testmain.cc: Include <cstdlib>.
4976 * configure, config.in: Rebuild.
4978 2008-03-25 Ian Lance Taylor <iant@google.com>
4980 * options.cc: Include "../bfd/bfdver.h".
4981 (options::help): Print bug reporting address.
4983 * version.cc (print_version): Adjust output for current value of
4988 * options.cc (options::help): Print list of supported targets.
4989 * target-select.h: Include <vector>.
4990 (class Target_selector): Make machine_, size_, and is_big_endian_
4991 fields const. Add bfd_name_ and instantiated_target_ fields.
4992 (Target_selector::Target_selector): Add bfd_name parameter.
4993 (Target_selector::recognize): Make non-virtual, call
4995 (Target_selector::recognize_by_name): Make non-virtual, call
4996 do_recognize_by_name.
4997 (Target_selector::supported_names): New function.
4998 (Target_selector::bfd_name): New function.
4999 (Target_selector::do_instantiate_target): New pure virtual
5001 (Target_selector::do_recognize): New virtual function.
5002 (Target_selector::do_recognize_by_name): New virtual function.
5003 (Target_selector::instantiate_target): New private function.
5004 (supported_target_names): Declare.
5005 * target-select.cc (Target_selector::Target_selector): Update for
5006 new parameter and fields.
5007 (select_target_by_name): Check that the name matches before
5008 calling recognize_by_name.
5009 (supported_target_names): New function.
5010 * i386.cc (class Target_selector_i386): Update Target_selector
5011 constructor call. Remove recognize and recognize_by_name. Add
5012 do_instantiate_target.
5013 * x86_64.cc (class Target_selector_x86_64): Likewise.
5014 * testsuite/testfile.cc (class Target_selector_test): Update for
5015 changes to Target_selector.
5017 * README: Rewrite, with some notes on unsupported features.
5019 2008-03-24 Cary Coutant <ccoutant@google.com>
5021 * i386.cc (Target_i386::Got_type): New enum declaration.
5022 (Target_i386::Scan::local): Updated callers of Output_data_got
5024 (Target_i386::Scan::global): Likewise.
5025 (Target_i386::Relocate::relocate): Likewise.
5026 (Target_i386::Relocate::relocate_tls): Likewise.
5027 * object.h (Got_offset_list): New class.
5028 (Sized_relobj::local_has_got_offset): Added got_type parameter.
5029 (Sized_relobj::local_got_offset): Likewise.
5030 (Sized_relobj::set_local_got_offset): Likewise.
5031 (Sized_relobj::local_has_tls_got_offset): Removed.
5032 (Sized_relobj::local_tls_got_offset): Removed.
5033 (Sized_relobj::set_local_tls_got_offset): Removed.
5034 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5035 * output.cc (Output_data_got::add_global): Added got_type parameter.
5036 (Output_data_got::add_global_with_rel): Likewise.
5037 (Output_data_got::add_global_with_rela): Likewise.
5038 (Output_data_got::add_global_pair_with_rel): New function.
5039 (Output_data_got::add_global_pair_with_rela): New function.
5040 (Output_data_got::add_local): Added got_type parameter.
5041 (Output_data_got::add_local_with_rel): Likewise.
5042 (Output_data_got::add_local_with_rela): Likewise.
5043 (Output_data_got::add_local_pair_with_rel): New function.
5044 (Output_data_got::add_local_pair_with_rela): New function.
5045 (Output_data_got::add_global_tls): Removed.
5046 (Output_data_got::add_global_tls_with_rel): Removed.
5047 (Output_data_got::add_global_tls_with_rela): Removed.
5048 (Output_data_got::add_local_tls): Removed.
5049 (Output_data_got::add_local_tls_with_rel): Removed.
5050 (Output_data_got::add_local_tls_with_rela): Removed.
5051 * output.h (Output_data_got::add_global): Added got_type parameter.
5052 (Output_data_got::add_global_with_rel): Likewise.
5053 (Output_data_got::add_global_with_rela): Likewise.
5054 (Output_data_got::add_global_pair_with_rel): New function.
5055 (Output_data_got::add_global_pair_with_rela): New function.
5056 (Output_data_got::add_local): Added got_type parameter.
5057 (Output_data_got::add_local_with_rel): Likewise.
5058 (Output_data_got::add_local_with_rela): Likewise.
5059 (Output_data_got::add_local_pair_with_rel): New function.
5060 (Output_data_got::add_local_pair_with_rela): New function.
5061 (Output_data_got::add_global_tls): Removed.
5062 (Output_data_got::add_global_tls_with_rel): Removed.
5063 (Output_data_got::add_global_tls_with_rela): Removed.
5064 (Output_data_got::add_local_tls): Removed.
5065 (Output_data_got::add_local_tls_with_rel): Removed.
5066 (Output_data_got::add_local_tls_with_rela): Removed.
5067 * resolve.cc (Symbol::override_base_with_special): Removed
5068 reference to has_got_offset_ field.
5069 * symtab.cc (Symbol::init_fields): Replaced initialization
5070 of got_offset_ with got_offsets_. Removed initialization
5072 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5073 (Symbol::got_offset): Likewise.
5074 (Symbol::set_got_offset): Likewise.
5075 (Symbol::has_tls_got_offset): Removed.
5076 (Symbol::tls_got_offset): Removed.
5077 (Symbol::set_tls_got_offset): Removed.
5078 (Symbol::got_offset_): Removed.
5079 (Symbol::tls_mod_got_offset_): Removed.
5080 (Symbol::tls_pair_got_offset_): Removed.
5081 (Symbol::got_offsets_): New field.
5082 (Symbol::has_got_offset): Removed.
5083 (Symbol::has_tls_mod_got_offset): Removed.
5084 (Symbol::has_tls_pair_got_offset): Removed.
5085 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5086 (Target_x86_64::Scan::local): Updated callers of Output_data_got
5088 (Target_x86_64::Scan::global): Likewise.
5089 (Target_x86_64::Relocate::relocate): Likewise.
5090 (Target_x86_64::Relocate::relocate_tls): Likewise.
5092 2008-03-25 Ben Elliston <bje@au.ibm.com>
5094 * yyscript.y: Fix spelling error in comment.
5096 2008-03-24 Ian Lance Taylor <iant@google.com>
5098 * options.h (class General_options): Define build_id option.
5099 * layout.h (class Layout): Declare write_build_id, create_note,
5100 create_build_id. Add build_id_note_ member.
5101 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5102 "libiberty.h", "md5.h", "sha1.h".
5103 (Layout::Layout): Initialize eh_frame_data_,
5104 eh_frame_hdr_section_, and build_id_note_.
5105 (Layout::finalize): Call create_build_id.
5106 (Layout::create_note): New function, broken out of
5107 Layout::create_gold_note.
5108 (Layout::create_gold_note): Call create_note.
5109 (Layout::create_build_id): New function.
5110 (Layout::write_build_id): New function.
5111 (Close_task_runner::run): Call write_build_id.
5113 * x86_64.cc: Correct license to GPLv3.
5115 2008-03-23 Ian Lance Taylor <iant@google.com>
5117 * options.cc: Include "demangle.h".
5118 (parse_optional_string): New function.
5119 (parse_long_option): Handle takes_optional_argument.
5120 (parse_short_option): Update dash_z initializer. Handle
5121 takes_optional_argument.
5122 (General_options::General_options): Initialize do_demangle_.
5123 (General_options::finalize): Set do_demangle_. Handle demangling
5125 * options.h (parse_optional_string): Declare.
5126 (struct One_option): Add optional_arg field. Update constructor.
5127 Update call constructor calls. Add takes_optional_argument
5129 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
5130 (DEFINE_optional_string): Define.
5131 (General_options::demangle): Change from DEFINE_bool to
5132 DEFINE_optional_string.
5133 (General_options::no_demangle): New function.
5134 (General_options::do_demangle): New function.
5135 (General_options::set_do_demangle): New function.
5136 (General_options::execstack_status_): Move definition to end of
5138 (General_options::static_): Likewise.
5139 (General_options::do_demangle_): New field.
5140 * object.cc (big_endian>::get_symbol_location_info): Call
5141 Options::do_demangle, not Options::demangle.
5142 * symtab.cc (demangle): Likewise.
5144 2008-03-22 Ian Lance Taylor <iant@google.com>
5146 * gold.h: Include <cstddef> and <sys/types.h>
5147 * options.h: Include <cstring>.
5149 2008-03-21 Ian Lance Taylor <iant@google.com>
5151 * Added source code to GNU binutils.
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