1 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
3 * incremental.cc (Incremental_inputs_header,
4 Incremental_inputs_header_write, Incremental_inputs_entry,
5 Incremental_inputs_entry_write): Update comment about which
6 type has the filed descriptions.
8 2009-11-15 Doug Kwan <dougkwan@google.com>
10 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
11 (Arm_relocate_functions::arm_branch_common): Change method defintion
12 in class definition to a method declaration and update list of formal
14 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
15 Arm_relocation_functions::jump24): Adjust call to
16 Arm_relocate_functions::arm_branch_common. Update list of formal
18 (Arm_relocate_functions::xpc25): New method definition.
19 (Arm_relocate_functions::arm_branch_common): Move method defintion
20 out from class definition. Use stubs for mode-switching and extending
22 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
23 specially. Change code to enable use of stubs in ARM branches.
25 2009-11-10 Doug Kwan <dougkwan@google.com>
27 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
28 in method declaration.
29 (Target_arm::relocate_stub): New method declaration.
30 (Target_arm::default_target): Change to return a pointer instead of
32 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
33 Target_arm::default_target.
34 (Arm_Relobj::do_relocate_sections): Remove options paramater in
36 (Target_arm::relocate_section): Adjust view.
37 (Target_arm::relocate_stub): New method definition.
39 2009-11-10 Doug Kwan <dougkwan@google.com>
41 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
43 * incremental.cc (open_incremental_binary): Initialized local
44 variables to avoid warnings.
45 * object.cc (make_elf_object): Ditto.
46 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
49 009-11-09 H.J. Lu <hongjiu.lu@intel.com>
52 * testsuite/plugin_test.c: Include "config.h".
54 2009-11-09 Doug Kwan <dougkwan@google.com>
56 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
57 (arm_symbol_value): Remove.
58 (Arm_relocate_functions::arm_branch_common,
59 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
60 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
61 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
62 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
63 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
64 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
65 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
66 Arm_relocate_functions::thm_mobw_abs_nc,
67 Arm_relocate_functions::thm_mov_abs,
68 Arm_relocate_functions::movw_prel_nc,
69 Arm_relocate_functions::thm_movt_abs,
70 Arm_relocate_functions::movt_prel,
71 Arm_relocate_functions::thm_movw_prel_nc,
72 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
73 (Target_arm::Relocate::relocate): Only decompose address into two
74 parts if relocation type uses the thumb-bit and pass the actual
75 bit instead of a flag indicating that the thumb-bit is used. Adjust
76 calls to methods in Arm_relocate_functions for this change.
78 2009-11-08 Ian Lance Taylor <ian@airs.com>
81 * reloc.cc: Instantiate
82 Sized_relobj::initialize_input_to_output_maps and
83 Sized_relobj:free_input_to_output_maps.
85 2009-11-06 Ian Lance Taylor <iant@google.com>
88 * defstd.cc (in_segment): Set only_if_ref true for "end".
90 2009-11-06 Doug Kwan <dougkwan@google.com>
92 * arm.cc (class Reloc_stub): Correct a comment.
93 (Target_arm::Target_arm): Initialize arm_input_section_map_.
94 (Target_arm::scan_section_for_stubs): New method declaration.
95 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
96 Change methods from private to protected.
97 (Target_arm::do_may_relax): New method definition.
98 (Target_arm::do_relax, Target_arm::group_sections,
99 Target_arm::scan_reloc_for_stub,
100 Target_arm::scan_reloc_section_for_stubs): New method declarations.
101 (Target_arm::arm_input_section_map_): New data member declaration.
102 (Target_arm::scan_reloc_for_stub,
103 Target_arm::scan_reloc_section_for_stubs,
104 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
105 Target_arm::do_relax): New method definitions.
107 2009-11-06 Mikolaj Zalewski <mikolaj@google.com>
109 * configure.ac: Check for (struct stat)::st_mtim
110 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
111 * config.in: Regenerate.
112 * configure: Regenerate.
114 2009-11-05 Ian Lance Taylor <iant@google.com>
117 * output.cc (Output_segment::add_output_section): Add missing
120 2009-11-04 Ian Lance Taylor <iant@google.com>
123 * object.h (class Object): Add is_needed and set_is_needed
124 methods. Add is_needed_ field. Make bool fields into bitfields.
125 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
126 defined in a dynamic object and referenced by a regular object,
127 set is_needed for the dynamic object.
128 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
129 if the file is marked with as_needed and it is not needed.
131 2009-11-04 Ian Lance Taylor <iant@google.com>
134 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
135 tags if data is discarded by linker script.
136 * i386.cc (Target_i386::do_finalize_sections): Likewise.
137 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
138 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
139 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
141 2009-11-04 Ian Lance Taylor <iant@google.com>
143 * layout.cc (Layout::get_output_section): Add is_interp and
144 is_dynamic_linker_section parameters. Change all callers.
145 (Layout::choose_output_section): Likewise.
146 (Layout::make_output_section): Likewise.
147 (Layout::add_output_section_data): Add is_dynamic_linker_section
148 parameter. Change all callers.
149 * layout.h (class Layout): Update declarations.
150 * output.h (class Output_section): Add is_interp, set_is_interp,
151 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
152 Add is_interp_, is_dynamic_linker_section_ fields. Change
153 generate_code_fills_at_write_ to a bitfield.
154 * output.cc (Output_section::Output_sections): Initialize new
156 (Output_segment::add_output_section): Add do_sort parameter.
159 2009-11-03 Ian Lance Taylor <iant@google.com>
162 * options.h (class General_options): Add --warn-common.
163 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
164 merging two common symbols.
165 (Symbol_table::should_override): Handle --warn-common when merging
166 a common symbol with a defined symbol. Use report_resolve_problem
167 for multiple definitions.
168 (Symbol_table::report_resolve_problem): New function.
169 * symtab.h (class Symbol_table): Declare report_resolve_problem.
171 2009-11-03 Doug Kwan <dougkwan@google.com>
173 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
175 (Target_arm::stub_factory): New method definition.
176 (Target_arm::new_arm_input_section,
177 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
178 Target_arm::reloc_uses_thumb_bit): New method declarations.
179 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
180 New type definitions.
181 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
183 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
184 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
185 New method definitions.
187 2009-11-03 Ian Lance Taylor <iant@google.com>
189 * options.h (class General_options): Add --warn_constructors.
191 2009-11-03 Ian Lance Taylor <iant@google.com>
194 * defstd.cc (in_section): Add entries for __rel_iplt_start,
195 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
197 2009-11-03 Ian Lance Taylor <iant@google.com>
200 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
201 --msgid-bugs-address.
202 (install-pdf): New target.
203 (install-data_yes): Look up one directory to find mkinstalldirs.
205 2009-11-03 H.J. Lu <hongjiu.lu@intel.com>
207 * po/Make-in (.po.gmo): Don't generate .gmo files in source
210 2009-10-30 Doug Kwan <dougkwan@google.com>
212 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
214 2009-10-30 Doug Kwan <dougkwan@google.com>
216 * arm.cc (Stub_addend_reader): New struct template definition
217 and partial specializations.
218 (Stub_addend_reader::operator()): New method definition for a
219 partially specialized template.
221 2009-10-30 Doug Kwan <dougkwan@google.com>
223 * arm.cc (Arm_relobj::processor_specific_flags): New method
225 (Arm_relobj::do_read_symbols): New method declaration.
226 (Arm_relobj::processor_specific_flags_): New data member declaration.
227 (Arm_dynobj): New class definition.
228 (Target_arm::do_finalize_sections): Add input_objects parameter.
229 (Target_arm::do_adjust_elf_header): New method declaration.
230 (Target_arm::are_eabi_versions_compatible,
231 (Target_arm::merge_processor_specific_flags): New method declaration.
232 (Target_arm::do_make_elf_object): New overloaded method definitions
234 (Arm_relobj::do_read_symbols): New method definition.
235 (Arm_dynobj::do_read_symbols): Ditto.
236 (Target_arm::do_finalize_sections): Add input_objects parameters.
237 Merge processor-specific flags from all input objects.
238 (Target_arm::are_eabi_versions_compatible,
239 Target_arm::merge_processor_specific_flags,
240 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
241 New method definitions.
242 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
243 Input_objects pointer type parameter.
244 * layout.cc (Layout::finalize): Pass input objects to target's.
245 finalize_sections function.
246 * output.cc (Output_file_header::do_sized_write): Set ELF file
247 header's processor-specific flags.
248 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
249 Input_objects pointer type parameter.
250 * sparc.cc (Target_sparc::do_finalize_sections): Same.
251 * target.h (Input_objects): New forward class declaration.
252 (Target::processor_specific_flags,
253 Target::are_processor_specific_flags_sect): New method definitions.
254 (Target::finalize_sections): Add input_objects parameter.
255 (Target::Target): Initialize processor_specific_flags_ and
256 are_processor_specific_flags_set_.
257 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
259 (Target::set_processor_specific_flags): New method definition.
260 (Target::processor_specific_flags_,
261 Target::are_processor_specific_flags_set_): New data member
263 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
264 Input_objects pointer type parameter.
266 2009-10-30 Doug Kwan <dougkwan@google.com>
268 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
270 2009-10-28 Ian Lance Taylor <iant@google.com>
272 * object.h (class Relobj): Drop options parameter from
273 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
274 do_scan_relocs, do_relocate. Change all callers.
275 (class Sized_relobj): Drop options parameters from
276 do_gc_process_relocs, do_scan_relocs, do_relocate,
277 do_relocate_sections, relocate_sections, emit_relocs_scan,
278 emit_relocs_scan_reltype. Change all callers.
279 (struct Relocate_info): Remove options field and all references to
281 * reloc.h (class Read_relocs): Remove options constructor
282 parameter and options_ field. Change all callers.
283 (class Gc_process_relocs, class Scan_relocs): Likewise.
284 (class Relocate_task): Likewise.
285 * target-reloc.h (scan_relocs): Remove options parameter. Change
287 (scan_relocatable_relocs): Likewise.
288 * target.h (class Sized_target): Remove options parameter from
289 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
291 * gc.h (gc_process_relocs): Remove options parameter. Change all
293 * arm.cc: Update functions to remove options parameters.
295 * powerpc.cc: Likewise.
296 * sparc.cc: Likewise.
297 * x86_64.cc: Likewise.
298 * testsuite/testfile.cc: Likewise.
300 2009-10-28 Doug Kwan <dougkwan@google.com>
302 * arm.cc (Arm_relobj): New class definition.
303 (Arm_relobj::scan_sections_for_stubs,
304 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
305 New method definitions.
307 2009-10-28 Cary Coutant <ccoutant@google.com>
309 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
310 (Plugin::cleanup_done_): New member.
311 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
312 (Plugin_manager::cleanup_done_): Remove.
313 (Plugin_manager::add_input_file): Edit error message.
314 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
315 (Plugin_manager::cleanup): Remove use of cleanup_done_.
317 2009-10-27 Mikolaj Zalewski <mikolajz@google.com>
319 * fileread.cc: (File_read::View::~View): Use the new
320 data_ownership_ filed.
321 (File_read::~File_read): Dispose the new whole_file_view_.
322 (File_read::open): Mmap the whole file if needed.
323 (File_read::open): Use whole_file_view_ instead of contents_.
324 (File_read::find_view): Use whole_file_view_ if applicable.
325 (File_read::do_read): Use whole_file_view_ instead of contents_.
326 (File_read::make_view): Use whole_file_view_ instead of contents_,
327 update File_read::View::View call.
328 (File_read::find_or_make_view): Update File_read::View::View
330 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
332 (File_read::View::Data_ownership): New enum.
333 (File_read::View::View): Replace bool mapped_ with Data_ownership
335 (File_read::View::mapped_): Remove (replaced by data_ownership_).
336 (File_read::View::data_ownership_): New field.
337 (File_read::contents_): Remove (replaced by whole_file_view_).
338 (File_read::whole_file_view_): New field.
339 * options.h (class General_options): Add --keep-files-mapped.
341 2009-10-27 Cary Coutant <ccoutant@google.com>
343 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
344 * testsuite/Makefile.am (plugin_test_5): New test case.
345 * testsuite/Makefile.in: Regenerate.
347 2009-10-25 Doug Kwan <dougkwan@google.com>
349 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
350 from private to protected to allow access by child class.
351 (Sized_relobj::do_relocate_sections): New method declaration.
352 (Sized_relobj::relocate_sections): Virtualize.
353 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
354 Sized_relobj::relocate_sections. Instantiate template explicitly
355 for different target sizes and endianity.
357 2009-10-24 Doug Kwan <dougkwan@google.com>
359 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
360 (Arm_input_section::as_arm_input_section): New method.
361 (Arm_output_section): New class definition.
362 (Arm_output_section::create_stub_group,
363 Arm_output_section::group_sections): New method definitions.
365 2009-10-22 Doug Kwan <dougkwan@google.com>
367 * arm.cc (Arm_input_section): New class definition.
368 (Arm_input_section::init, Arm_input_section:do_write,
369 Arm_input_section::set_final_data_size,
370 Arm_input_section::do_reset_address_and_file_offset): New method
373 2009-10-21 Doug Kwan <dougkwan@google.com>
375 * arm.cc (Stub_table, Arm_input_section): New forward class
377 (Stub_table): New class defintion.
378 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
379 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
380 New method definition.
382 2009-10-21 Doug Kwan <dougkwan@google.com>
384 * arm.cc: Update copyright comments.
385 (Target_arm): New forward class template declaration.
386 (Arm_address): New type.
387 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
388 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
389 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
391 (Insn_template): Same.
392 (DEF_STUBS): New macro.
393 (Stub_type): New enum type.
394 (Stub_template): New class definition.
397 (Stub_factory): Same.
398 (Target_arm::Target_arm): Initialize may_use_blx_ and
399 should_force_pic_veneer_.
400 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
401 Target_arm::should_force_pic_veneer,
402 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
403 Target_arm::using_thumb_only, Target_arm:;default_target): New
405 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
406 New data member declarations.
407 (Insn_template::size, Insn_template::alignment): New method defintions.
408 (Stub_template::Stub_template): New method definition.
409 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
410 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
411 (Stub_factory::Stub_factory): New method definition.
412 * gold.h (string_hash): New template.
413 * output.h (Input_section_specifier::hash_value): Use
415 (Input_section_specifier::string_hash): Remove.
416 * stringpool.cc (Stringpool_template::string_hash): Use
419 2009-10-20 Doug Kwan <dougkwan@google.com>
421 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
422 symbols of relaxed input sections.
423 * output.h (Output_section::find_relaxed_input_section): Make
426 2009-10-16 Doug Kwan <dougkwan@google.com>
428 * dynobj.cc (Versions::Versions): Initialize version_script_.
429 Only insert base version symbol definition for a shared object
430 if version script defines any version versions.
431 (Versions::define_base_version): New method definition.
432 (Versions::add_def): Check that base version is not needed.
433 (Versions::add_need): Define base version lazily.
434 * dynobj.h (Versions::define_base_version): New method declaration.
435 (Versions::needs_base_version_): New data member declaration.
436 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
437 (check_DATA): Add no_version_test.stdout.
438 (libno_version_test.so, no_version_test.o no_version_test.stdout):
440 * testsuite/Makefile.in: Regenerate.
441 * testsuite/no_version_test.c: New file.
442 * testsuite/no_version_test.sh: Ditto.
444 2009-10-16 Doug Kwan <dougkwan@google.com>
446 * expression.cc (class Segment_start_expression): New class definition.
447 (Segment_start_expression::value): New method definition.
448 (script_exp_function_segment_start): Return a new
449 Segment_start_expression.
450 * gold/script-c.h (script_saw_segment_start_expression): New function
452 * script-sections.cc (Script_sections::Script_sections): Initialize
453 SAW_SEGMENT_START_EXPRESSION_ to false.
454 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
455 and -Tbbs options to specify section addresses if given in
456 command line and no SEGMENT_START expression is seen in a script.
457 * script-sections.h (Script_sections::saw_segment_start_expression,
458 Script_sections::set_saw_segment_start_expression): New method
460 (Script_sections::saw_segment_start_expression_): New data member
462 * script.cc (script_saw_segment_start_expression): New function.
463 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
464 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
465 script_test_7.sh and script_test_8.sh.
466 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
467 script_test_8.stdout.
468 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
469 (script_test_6, script_test_6.stdout, script_test_7,
470 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
471 * Makefile.in: Regenerate.
472 * testsuite/script_test_6.sh: New file.
473 * testsuite/script_test_6.t: Same.
474 * testsuite/script_test_7.sh: Same.
475 * testsuite/script_test_7.t: Same.
476 * testsuite/script_test_8.sh: Same.
478 2009-10-16 Doug Kwan <dougkwan@google.com>
480 * output.cc (Output_segment::set_section_list_address): Cast
481 expressions to unsigned long long type to avoid format warnings.
483 2009-10-15 Ian Lance Taylor <iant@google.com>
485 * script.cc (Script_options::add_symbol_assignment): Always add a
486 dot assignment to script_sections_.
487 * script-sections.cc (Script_sections::add_dot_assignment):
488 Initialize if necessary.
490 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
491 program headers with no load segment if there is a linker script.
493 * layout.cc (Layout::set_segment_offsets): Align the file offset
494 to the segment aligment for -N or -n with no load segment.
495 * output.cc (Output_segment::add_output_section): Don't crash if
496 the first section is a TLS section.
497 (Output_segment::set_section_list_addresses): Print an error
498 message if the address moves backward in a linker script.
500 (Output_section_element_input::set_section_addresses): Don't
501 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
502 (Orphan_output_section::set_section_addresses): Likewise.
504 2009-10-15 Doug Kwan <dougkwan@google.com>
506 * layout.cc (Layout::finish_dynamic_section): Generate tags
507 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
508 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
509 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
511 2009-10-14 Ian Lance Taylor <iant@google.com>
513 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
515 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
516 data_shdr fields of relinfo.
517 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
518 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
519 R_386_TLS_LDO_32, adjust based on section flags.
520 (Target_i386::Relocate::fix_up_ldo): Remove.
522 2009-10-13 Ian Lance Taylor <iant@google.com>
524 Add support for -pie.
525 * options.h (class General_options): Add -pie and
527 (General_options::output_is_position_independent): Test -pie.
528 (General_options::output_is_executable): Return true if not shared
530 (General_options::output_is_pie): Remove.
531 * options.cc (General_options::finalize): Reject incompatible uses
533 * gold.cc (queue_middle_tasks): A -pie link is not static.
534 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
535 * symtab.cc (Symbol::final_value_is_known): Return false if
536 output_is_position_independent.
537 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
538 output_is_position_independent.
539 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
540 output_is_position_independent.
541 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
542 output_is_position_independent.
543 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
545 (basic_pie_test.o, basic_pie_test): New targets.
546 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
547 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
548 (two_file_pie_test): New target.
549 * testsuite/Makefile.in: Rebuild.
550 * README: Remove note saying that -pie is not supported.
552 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
554 * options.h (class General_options): Add -init and -fini.
555 * layout.cc (Layout::finish_dynamic_section): Emit
556 given init and fini functions.
558 2009-10-13 Sriraman Tallam <tmsriram@google.com>
560 * gc.h (gc_process_relocs): Check if icf is enabled using new
562 * gold.cc (queue_initial_tasks): Likewise.
563 (queue_middle_tasks): Likewise.
564 * object.cc (do_layout): Likewise.
565 * symtab.cc (is_section_folded): Likewise.
566 * main.cc (main): Likewise.
567 * reloc.cc (Read_relocs::run): Likewise.
568 (Sized_relobj::do_scan_relocs): Likewise.
569 * icf.cc (is_function_ctor_or_dtor): New function.
570 (Icf::find_identical_sections): Check if function is ctor or dtor when
572 * options.h (General_options::icf): Change option to be an enum.
573 (Icf_status): New enum.
574 (icf_enabled): New method.
575 (icf_safe_folding): New method.
576 (set_icf_status): New method.
577 (icf_status_): New variable.
578 * (options.cc) (General_options::finalize): Set icf_status_.
579 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
580 icf_test and icf_keep_unique_test to use the --icf enum flag.
581 * testsuite/icf_safe_test.sh: New file.
582 * testsuite/icf_safe_test.cc: New file.
584 2009-10-12 Sriraman Tallam <tmsriram@google.com>
586 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
587 includes to gc.h and icf.h.
588 * arm.cc: Include gc.h.
591 * powerpc.cc: Likewise.
592 * sparc.cc: Likewise.
593 * x86_64.cc: Likewise.
594 * gc.h: Include icf.h.
596 2009-10-11 Ian Lance Taylor <iant@google.com>
598 * plugin.cc: Include "gold.h" before other header files.
600 2009-10-10 Chris Demetriou <cgd@google.com>
602 * options.h (Input_file_argument::Input_file_type): New enum.
603 (Input_file_argument::is_lib_): Replace with...
604 (Input_file_argument::type_): New member.
605 (Input_file_argument::Input_file_argument): Take Input_file_type
606 'type' rather than boolean 'is_lib' as second argument.
607 (Input_file_argument::is_lib): Use type_.
608 (Input_file_argument::is_searched_file): New function.
609 (Input_file_argument::may_need_search): Handle is_searched_file.
610 * options.cc (General_options::parse_library): Support -l:filename.
611 (General_options::parse_just_symbols): Update for Input_file_argument
613 (Command_line::process): Likewise.
614 * archive.cc (Archive::get_file_and_offset): Likewise.
615 * plugin.cc (Plugin_manager::release_input_file): Likewise.
616 * script.cc (read_script_file, script_add_file): Likewise.
617 * fileread.cc (Input_file::Input_file): Likewise.
618 (Input_file::will_search_for): Handle is_searched_file.
619 (Input_file::open): Likewise.
620 * readsyms.cc (Read_symbols::get_name): Likewise.
621 * testsuite/Makefile.am (searched_file_test): New test.
622 * testsuite/Makefile.in: Regenerate.
623 * testsuite/searched_file_test.cc: New file.
624 * testsuite/searched_file_test_lib.cc: New file.
626 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
627 Ian Lance Taylor <iant@google.com>
629 * descriptor.cc: Include <cstdio> and "binary-io.h".
630 (Descriptors::open): Open the files in binary mode always.
631 * script.cc (Lex::get_token): Treat \r as whitespace.
633 2009-10-09 Ian Lance Taylor <iant@google.com>
635 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
637 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
638 Ian Lance Taylor <iant@google.com>
640 * configure.ac: Check for readv function also.
641 * fileread.cc (readv): Define if not HAVE_READV.
642 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
644 * config.in: Regenerate.
645 * configure: Regenerate.
647 2009-10-09 Doug Kwan <dougkwan@google.com>
649 * layout.cc (Layout::make_output_section): Call target hook to make
650 ordinary output section.
651 (Layout::finalize): Adjust parameter list of call the
653 * layout.h (class Layout::section_list): New method.
654 * merge.h (Output_merge_base::entsize): Change visibility to public.
655 (Output_merge_base::is_string, Output_merge_base::do_is_string):
657 (Output_merge_string::do_is_string): New method.
658 * object.cc (Sized_relobj::do_setup): renamed from
659 Sized_relobj::set_up.
660 * object.h (Sized_relobj::adjust_shndx,
661 Sized_relobj::initializ_input_to_output_maps,
662 Sized_relobj::free_input_to_output_maps): Change visibilities to
664 (Sized_relobj::setup): Virtualize.
665 (Sized_relobj::do_setup): New method declaration.
666 (Sized_relobj::invalidate_section_offset,
667 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
668 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
669 * options.cc (parse_int): New function.
670 * options.h (parse_int): New declaration.
671 (DEFINE_int): New macro.
672 (stub_group_size): New option.
673 * output.cc (Output_section::Output_section): Initialize memebers
674 merge_section_map_, merge_section_by_properties_map_,
675 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
676 (Output_section::add_input_section): Handled deferred code-fill
677 generation and remove an old comment.
678 (Output_section::add_relaxed_input_section): New method definition.
679 (Output_section::add_merge_input_section): Use merge section by
680 properties map to speed to search. Update merge section maps
682 (Output_section::build_relaxation_map): New method definition.
683 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
685 (Output_section::relax_input_section): Renamed to
686 Output_section::convert_input_sections_to_relaxed_sections and change
687 interface to take a vector of pointers to relaxed sections.
688 (Output_section::find_merge_section,
689 Output_section::find_relaxed_input_section): New method definitions.
690 (Output_section::is_input_address_mapped,
691 Output_section::output_offset, Output_section::output_address):
692 Use output section data maps to speed up searching.
693 (Output_section::find_starting_output_address): Add comments.
694 (Output_section::do_write,
695 Output_section::write_to_postprocessing_buffer): Do code-fill
696 generation as appropriate.
697 (Output_section::get_input_sections): Invalidate relaxed input section
699 (Output_section::restore_states): Adjust type of checkpoint .
700 Invalidate relaxed input section map.
701 * output.h (Output_merge_base): New class declaration.
702 (Input_section_specifier): New class defintion.
703 (class Output_relaxed_input_section) Change base class to
704 Output_section_data_build.
705 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
706 base class initializer.
707 (Output_section::add_relaxed_input_section): New method declaration.
708 (Output_section::Input_section): Change visibility to protected.
709 (Output_section::Input_section::relobj,
710 Output_section::Input_section::shndx): Handle relaxed input sections.
711 Output_section::input_sections) Change visibility to protected. Also
712 define overload to return a non-const pointer.
713 (Output_section::Merge_section_properties): New class defintion.
714 (Output_section::Merge_section_by_properties_map,
715 Output_section::Output_section_data_by_input_section_map,
716 Output_section::Relaxation_map): New types.
717 (Output_section::relax_input_section): Rename method to
718 Output_section::convert_input_sections_to_relaxed_sections and change
719 interface to take a vector of relaxed section pointers.
720 (Output_section::find_merge_section,
721 Output_section::find_relaxed_input_section,
722 Output_section::build_relaxation_map,
723 Output_section::convert_input_sections_in_list_to_relaxed_sections):
724 New method declarations.
725 (Output_section::merge_section_map_
726 Output_section::merge_section_by_properties_map_,
727 Output_section::relaxed_input_section_map_,
728 Output_section::is_relaxed_input_section_map_valid_,
729 Output_section::generate_code_fills_at_write_): New data members.
731 (Output_section_element_input::set_section_addresses): Call
732 current_data_size and addralign methods of relaxed input sections.
733 (Orphan_output_section::set_section_addresses): Call current_data_size
734 and addralign methods of relaxed input sections.
735 * symtab.cc (Symbol_table::compute_final_value): Extract template
736 from the body of Symbol_table::sized_finalize_symbol.
737 (Symbol_table::sized_finalized_symbol): Call
738 Symbol_table::compute_final_value.
739 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
740 (Symbol_table::compute_final_value): New templated method declaration.
741 * target.cc (Target::do_make_output_section): New method defintion.
742 * target.h (Target::make_output_section): New method declaration.
743 (Target::relax): Add more parameters for input objects, symbol table
744 and layout. Adjust call to do_relax.
745 (Target::do_make_output_section): New method declaration.
746 (Target::do_relax): Add parameters for input objects, symbol table
749 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
751 * pread.c: Include stdio.h.
753 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
755 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
758 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
760 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
761 Change read_shndx type to unsigned int.
762 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
764 (Sized_dwarf_line_info::read_line_mappings): Likewise.
765 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
766 Change read_shndx type to unsigned int.
767 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
769 (Sized_dwarf_line_info::read_line_mappings): Likewise.
770 * layout.cc (Layout::create_symtab_sections): Cast the result of
771 local_symcount * symsize to off_t in the gold_assert.
773 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
775 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
776 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
778 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
779 (Arm_relocate_functions::thm_abs5): New function.
780 (Arm_relocate_functions::abs12): New function.
781 (Arm_relocate_functions::abs16): New function.
782 (Arm_relocate_functions::base_abs): New function.
783 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
784 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
785 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
787 (Scan::global): Likewise.
788 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
789 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
790 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
791 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
794 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
796 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
797 (Arm_relocate_functions::movt_prel): New function.
798 (Arm_relocate_functions::thm_movw_prel_nc): New function.
799 (Arm_relocate_functions::thm_movt_prel): New function.
800 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
801 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
802 (Scan::global, Relocate::relocate): Likewise.
803 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
805 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
807 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
809 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
811 (class Incremental_inputs_header): New class.
812 (Incremental_inputs_header_writer): Edit comment.
813 (Incremental_inputs_entry): New class.
814 (Incremental_inputs_entry_writer): Edit comment.
815 (Sized_incremental_binary::do_find_incremental_inputs_section):
816 Add *strtab_shndx parameter, fill it.
817 (Sized_incremental_binary::do_check_inputs): New method.
818 (Incremental_checker::can_incrementally_link_output_file): Use
819 Sized_incremental_binary::check_inputs.
820 (Incremental_inputs::report_command_line): Save command line in
823 (Incremental_binary::find_incremental_inputs_section): New
825 (Incremental_binary::do_find_incremental_inputs_section): Add
826 strtab_shndx parameter.
827 (Incremental_binary::do_check_inputs): New pure virtual method.
828 (Sized_incremental_binary::do_check_inputs): Declare.
829 (Incremental_checker::Incremental_checker): Add incremental_inputs
830 parameter, use it to initialize incremental_inputs_.
831 (Incremental_checker::incremental_inputs_): New field.
832 (Incremental_checker::command_line): New method.
833 (Incremental_checker::inputs): New method.
834 (Incremental_checker::command_line_): New field.
836 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
838 * incremental.cc: Include <cstdarg> and "target-select.h".
839 (vexplain_no_incremental): New function.
840 (explain_no_incremental): New function.
841 (Incremental_binary::error): New method.
842 (Sized_incremental_binary::do_find_incremental_inputs_section): New
844 (make_sized_incremental_binary): New function.
845 (open_incremental_binary): New function.
846 (can_incrementally_link_file): Add checks if output is ELF and has
848 * incremental.h: Include "elfcpp_file.h" and "output.h".
849 (Incremental_binary): New class.
850 (Sized_incremental_binary): New class.
851 (open_incremental_binary): Declare.
852 * object.cc (is_elf_object): Use
853 elfcpp::Elf_recognizer::is_elf_file.
854 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
855 * output.h (Output_file::filesize): New method.
857 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
859 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
861 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
862 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
864 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
866 (Arm_relocate_functions::movw_abs_nc): New function.
867 (Arm_relocate_functions::movt_abs): New function.
868 (Arm_relocate_functions::thm_movw_abs_nc): New function.
869 (Arm_relocate_functions::thm_movt_abs): New function.
870 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
871 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
872 (Scan::global): Likewise.
873 (Relocate::relocate): Likewise.
874 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
876 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
878 * arm.cc (Arm_relocate_functions::got_prel) New function.
879 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
880 (Relocate::relocate): Likewise.
881 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
883 2009-10-06 Ian Lance Taylor <iant@google.com>
885 * options.h (class General_options): Define
886 split_stack_adjust_size parameter.
887 * object.h (class Object): Add uses_split_stack_ and
888 has_no_split_stack_ fields. Add uses_split_stack and
889 has_no_split_stack accessor functions. Declare
890 handle_split_stack_section.
891 (class Reloc_symbol_changes): Define.
892 (class Sized_relobj): Define Function_offsets. Declare
893 split_stack_adjust, split_stack_adjust_reltype, and
895 * object.cc (Object::handle_split_stack_section): New function.
896 (Sized_relobj::do_layout): Call handle_split_stack_section.
897 * dynobj.cc (Sized_dynobj::do_layout): Call
898 handle_split_stack_section.
899 * reloc.cc (Sized_relobj::relocate_sections): Call
900 split_stack_adjust for executable sections in split_stack
901 objects. Pass reloc_map to relocate_section.
902 (Sized_relobj::split_stack_adjust): New function.
903 (Sized_relobj::split_stack_adjust_reltype): New function.
904 (Sized_relobj::find_functions): New function.
905 * target-reloc.h: Include "object.h".
906 (relocate_section): Add reloc_symbol_changes parameter. Change
908 * target.h (class Target): Add calls_non_split method. Declare
909 do_calls_non_split virtual method. Declare match_view and
911 * target.cc: Include "elfcpp.h".
912 (Target::do_calls_non_split): New function.
913 (Target::match_view): New function.
914 (Target::set_view_to_nop): New function.
915 * gold.cc (queue_middle_tasks): Give an error if mixing
916 split-stack and non-split-stack objects with -r.
917 * i386.cc (Target_i386::relocate_section): Add
918 reloc_symbol_changes parameter.
919 (Target_i386::do_calls_non_split): New function.
920 * x86_64.cc (Target_x86_64::relocate_section): Add
921 reloc_symbol_changes parameter.
922 (Target_x86_64::do_calls_non_split): New function.
923 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
925 * powerpc.cc (Target_powerpc::relocate_section): Add
926 reloc_symbol_changes parameter.
927 * sparc.cc (Target_sparc::relocate_section): Add
928 reloc_symbol_changes parameter.
929 * configure.ac: Call AM_CONDITIONAL for the default target.
930 * configure: Rebuild.
931 * testsuite/Makefile.am (TEST_AS): New variable.
932 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
933 (check_DATA): Add split_i386 and split_x86_64 files.
934 (SPLIT_DEFSYMS): Define.
935 (split_i386_[1234n].o): New targets.
936 (split_i386_[124]): New targets.
937 (split_i386_[1234r].stdout): New targets.
938 (split_x86_64_[1234n].o): New targets.
939 (split_x86_64_[124]): New targets.
940 (split_x86_64_[1234r].stdout): New targets.
941 (MOSTLYCLEANFILES): Add new executables.
942 * testsuite/split_i386.sh: New file.
943 * testsuite/split_x86_64.sh: New file.
944 * testsuite/split_i386_1.s: New file.
945 * testsuite/split_i386_2.s: New file.
946 * testsuite/split_i386_3.s: New file.
947 * testsuite/split_i386_4.s: New file.
948 * testsuite/split_i386_n.s: New file.
949 * testsuite/split_x86_64_1.s: New file.
950 * testsuite/split_x86_64_2.s: New file.
951 * testsuite/split_x86_64_3.s: New file.
952 * testsuite/split_x86_64_4.s: New file.
953 * testsuite/split_x86_64_n.s: New file.
954 * testsuite/testfile.cc (Target_test): Update relocation_section
956 * testsuite/Makefile.in: Rebuild.
958 2009-10-06 Ian Lance Taylor <iant@google.com>
960 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
961 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
962 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
963 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
964 the address on ldo_addrs_.
965 (Target_i386::Relocate::fix_up_ldo): New function.
967 2009-10-06 Rafael Espindola <espindola@google.com>
969 * plugin.cc (add_input_library): New.
970 (Plugin::load): Add add_input_library to tv.
971 (Plugin_manager::add_input_file): Add the is_lib argument.
972 (add_input_file): Update call to Plugin_manager::add_input_file.
973 (add_input_library): New.
974 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
976 2009-09-30 Doug Kwan <dougkwan@google.com>
978 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
979 symbol and call Symbol::may_need_copy_reloc to determine if
980 a copy reloc is needed.
981 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
982 nocopyreloc is given in command line.
983 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
984 given in command line.
985 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
986 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
987 of the removed Target_i386::may_need_copy_reloc.
988 * options.h (copyreloc): New option with default value false.
989 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
990 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
991 instead of the removed Target_powerpc::may_need_copy_reloc.
992 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
993 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
994 instead of the removed Target_sparc::may_need_copy_reloc.
995 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
996 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
997 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
998 instead of the removed Target_x86_64::may_need_copy_reloc.
1000 2009-09-30 Ian Lance Taylor <iant@google.com>
1002 * object.h (class Object): Remove target_ field, and target,
1003 sized_target, and set_target methods.
1004 (Object::sized_target): Remove.
1005 (class Sized_relobj): Update declarations. Remove sized_target.
1006 * object.cc (Sized_relobj::setup): Remove target parameter.
1008 (Input_objects::add_object): Don't do anything with the target.
1009 (make_elf_sized_object): Add punconfigured parameter. Change all
1010 callers. Set or test parameter target.
1011 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1013 * parameters.cc (Parameters::set_target): Change parameter type to
1015 (Parameters::default_target): Remove.
1016 (set_parameters_target): Change parameter type to be non-const.
1017 (parameters_force_valid_target): New function.
1018 (parameters_clear_target): New function.
1019 * parameters.h (class Parameters): Update declarations. Remove
1020 default_target method. Add sized_target and clear_target
1021 methods. Change target_ to be non-const.
1022 (set_parameters_target): Update declaration.
1023 (parameters_force_valid_target): Declare.
1024 (parameters_clear_target): Declare.
1025 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1026 as NULL if we aren't searching.
1027 (Add_symbols::run): Don't check for compatible target.
1028 * fileread.cc (Input_file::open_binary): Call
1029 parameters_force_valid_target.
1030 * gold.cc (queue_middle_tasks): Likewise.
1031 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
1032 set_target on object.
1033 * dynobj.h (class Sized_dynobj): Update declarations.
1034 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1035 make_elf_object returns NULL.
1036 (Archive::include_member): Don't check whether object target is
1038 * output.cc (Output_section::add_input_section): Get target from
1040 (Output_section::relax_input_section): Likewise.
1041 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1043 (Sized_relobj::do_scan_relocs): Likewise.
1044 (Sized_relobj::relocate_sections): Likewise.
1045 * resolve.cc (Symbol_table::resolve): Likewise.
1046 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
1047 parameter. Change all callers.
1048 (Symbol_table::add_from_object): Get target from parameters.
1049 (Symbol_table::add_from_relobj): Don't check object target.
1050 (Symbol_table::add_from_dynobj): Likewise.
1051 (Symbol_table::define_special_symbol): Get target from
1053 * symtab.h (class Symbol_table): Update declaration.
1054 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1055 parameter. Change all callers. Clear parameter target.
1056 (Binary_test): Test target here.
1057 * testsuite/object_unittest.cc (gold_testsuite): Remove
1058 target_test_pointer parameter. Change all callers.
1059 (Object_test): Test target here.
1061 2009-09-26 Ian Lance Taylor <iant@google.com>
1063 * testsuite/initpri1.c: Don't try to use constructor priorities if
1064 compiling with gcc before 4.3.
1066 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
1068 * testsuite/retain_symbols_file_test.sh (check_present): Change
1069 output file name to retain_symbols_file_test.stdout.
1070 (check_absent): Likewise.
1072 2009-09-18 Craig Silverstein <csilvers@google.com>
1074 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1075 * options.cc: Include <cerrno> and <fstream>.
1076 (General_options::finalize): Parse -retain-symbols-file tag.
1077 * options.h: New flag.
1078 (General_options): New method should_retain_symbol, new
1079 variable symbols_to_retain.
1080 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1081 should_retain_symbol map.
1082 * testsuite/Makefile.am (retain_symbols_file_test): New test.
1083 * testsuite/Makefile.in: Regenerate.
1084 * testsuite/retain_symbols_file_test.sh: New file.
1086 2009-09-18 Nick Clifton <nickc@redhat.com>
1088 * po/es.po: Updated Spanish translation.
1090 2009-09-17 Doug Kwan <dougkwan@google.com>
1092 * debug.h (DEBUG_RELAXATION): New constant.
1093 (DEBUG_ALL): Add DEBUG_RELAXATION.
1094 (debug_string_to_enum): Add relaxation debug option.
1096 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1097 Layout::Relaxation_debug_check::read_sections,
1098 Layout::Relaxation_debug_check::read_sections): New method definitions.
1099 (Layout::Layout): Initialize data members
1100 record_output_section_data_from_scrips_,
1101 script_output_section_data_list_ and relaxation_debug_check_.
1102 (Layout::save_segments, Layout::restore_segments,
1103 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1104 Layout::relaxation_loop_body): New method definitions.
1105 (Layout::finalize): Support relaxation. Move section layout code to
1106 Layout::relaxation_loop_body.
1107 (Layout::set_asection_address_from_script): Move code for orphan
1108 section placement out.
1109 (Layout::place_orphan_sections_in_script): New method definition.
1110 * layout.h (Output_segment_headers, Output_file_header):
1111 New forward class declarations.
1112 (Layout::~Layout): Define.
1113 (Layout::new_output_section_data_from_script): New method definition.
1114 (Layout::place_orphan_sections_in_script): New method declaration.
1115 (Layout::Segment_states): New type declaration.
1116 (Layout::save_segments, Layout::restore_segments,
1117 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1118 Layout::relaxation_loop_body): New method declarations.
1119 (Layout::Output_section_data_list): New type declaration.
1120 (Layout::Relaxation_debug_check): New class definition.
1121 (Layout::record_output_section_data_from_script_,
1122 Layout::script_output_section_data_list_, Layout::segment_states_,
1123 Layout::relaxation_debug_check_): New data members.
1124 * output.cc: (Output_section_headers::do_size): New method definition.
1125 (Output_section_headers::Output_section_headers): Move size
1126 computation to Output_section_headers::do_size.
1127 (Output_segment_headers::do_size): New method definition.
1128 (Output_file_header::Output_file_header): Move size computation to
1129 Output_file_header::do_size and call it.
1130 (Output_file_header::do_size): New method definition.
1131 (Output_data_group::Output_data_group): Adjust call to
1132 Output_section_data.
1133 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1134 (Output_symtab_xindex::do_write): Add array bound check.
1135 (Output_section::Input_section::print_to_mapfile): Handle
1136 RELAXED_INPUT_SECTION_CODE.
1137 (Output_section::Output_section): Initialize data member checkpoint_.
1138 (Output_section::~Output_section): Delete checkpoint object pointed
1140 (Output_section::add_input_section): Always add an Input_section if
1142 (Output_section::add_merge_input_section): Add assert.
1143 (Output_section::relax_input_section): New method definition.
1144 (Output_section::set_final_data_size): Set load address to zero for
1145 an unallocated section.
1146 (Output_section::do_address_and_file_offset_have_reset_values):
1147 New method definition.
1148 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1149 Handle relaxed input section.
1150 (Output_section::sort_attached_input_sections): Checkpoint input
1151 section list lazily.
1152 (Output_section::get_input_sections): Change type of input_sections to
1153 list of Simple_input_section pointers. Checkpoint input section list
1154 lazily. Also handle relaxed input sections.
1155 (Output_section::add_input_section_for_script): Take a reference to
1156 a Simple_input_section object instead of Relobj pointer and section
1157 index as parameter. Handle relaxed input sections.
1158 (Output_section::save_states, Output_section::restore_states): New
1160 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1161 (Output_data::is_data_size_fixed): New method definition.
1162 (Output_data::reset_addresss_and_file_offset): Do not reset data size
1164 (Output_data::address_and_file_offset_have_reset_values): New method
1166 (Output_data::do_address_and_file_offset_have_reset_values): New method
1168 (Output_data::set_data_size): Check that data size is not fixed.
1169 (Output_data::fix_data_size): New method definition.
1170 (Output_data::is_data_size_fixed_): New data member.
1171 (Output_section_headers::set_final_data_size): New method definition.
1172 (Output_section_headers::do_size): New method declaration.
1173 (Output_segment_headers::set_final_data_size): New method definition.
1174 (Output_segment_headers::do_size): New method declaration.
1175 (Output_file_header::set_final_data_size)::New method definition.
1176 (Output_file_header::do_size)::New method declaration.
1177 (Output_section_data::Output_section_data): Add new parameter
1178 is_data_size_fixed and use it to fix data size.
1179 (Output_data_const::Output_data_const): Adjust call to base class
1180 constructor and fix data size.
1181 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1182 base class constructor and fix data size.
1183 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1184 base class constructor and fix data size.
1185 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1186 class constructor and fix data size.
1187 (Output_data_group::set_final_data_size): New method definition.
1188 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1189 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1190 class constructor and fix data size.
1191 (Output_relaxed_input_section): New class definition.
1192 (Output_section::Simple_input_section): New class definition.
1193 (Output_section::get_input_sections): Adjust parameter list.
1194 (Output_section::add_input_section_for_script): Same.
1195 (Output_section::save_states, Output_section::restore_states,
1196 Output_section::do_address_and_file_offset_have_reset_values,
1197 (Output_section::Input_section::Input_section): Handle
1198 RELAXED_INPUT_SECTION_CODE. Add new overload for
1199 Output_relaxed_input_section.
1200 (Output_section::Input_section::is_input_section,
1201 Output_section::Input_section::set_output_section): Handle relaxed
1203 (Output_section::Input_section::is_relaxed_input_section,
1204 Output_section::Input_section::output_section_data,
1205 Output_section::Input_section::relaxed_input_section): New method
1207 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1209 (Output_section::Input_section::u1_): Update comments.
1210 (Output_section::Input_section::u2_): Add new union member poris.
1211 (Output_section::Checkpoint_output_section): New classs definition.
1212 (Output_section::relax_input_section): New method declaration.
1213 (Output_section::checkpoint_): New data member.
1214 (Output_segment): Update comments.
1215 (Output_segment::Output_segment): Un-privatize copy constructor.
1216 (Output_segment::operator=): Un-privatize.
1217 * script-sections.cc (Output_section_element::Input_section_list):
1218 Change element type to Output_section::Simple_input_section.
1219 (Output_section_element_dot_assignment::set_section_addresses):
1220 Register output section data for relaxation clean up.
1221 (Output_data_exression::Output_data_expression): Adjust call to base
1222 constructor to fix data size.
1223 (Output_section_element_data::set_section_addresses): Register
1224 Output_data_expression object for relaxation clean up.
1225 (struct Input_section_info): Replace Relobj pointer and section index
1226 pair with Output_section::Simple_input_section and Convert struct to a
1228 (Input_section_sorter::operator()): Adjust access to
1229 Input_section_info data member to use accessors.
1230 (Output_section_element_input::set_section_addresses): Use layout
1231 parameter. Adjust code to use Output_section::Simple_input_section
1232 and Input_secction_info classes. Register filler for relaxation
1234 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1235 and section index pair with Output_section::Simple_input_section
1236 class. Adjust code accordingly.
1237 (Phdrs_element::release_segment): New method definition.
1238 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1240 (Script_sections::release_segments): New method definition.
1241 * gold/script-sections.h (Script_sections::release_segments): New
1243 * gold/target.h (Target::may_relax, Target::relax,
1244 Target::do_may_relax, Target::do_relax): New method definitions.
1246 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1248 * arm.cc (has_signed_unsigned_overflow): New function.
1249 (Arm_relocate_functions::abs8): New function.
1250 (Target_arm::Scan::local): Handle R_ARM_ABS8.
1251 (Target_arm::Scan::global): Likewise.
1252 (Target_arm::relocate::relocate): Likewise.
1253 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1256 2009-09-16 Cary Coutant <ccoutant@google.com>
1258 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1259 * testsuite/Makefile.in: Regenerate.
1261 2009-09-11 Nick Clifton <nickc@redhat.com>
1263 * po/gold.pot: Updated by the Translation project.
1265 2009-09-08 Cary Coutant <ccoutant@google.com>
1267 * output.cc (Output_file::open): Add execute permission to empty file.
1268 * testsuite/Makefile.am (permission_test): New test.
1269 * testsuite/Makefile.in: Regenerate.
1271 2009-09-02 Ian Lance Taylor <iant@google.com>
1273 * output.cc (Output_file::resize): Call map_no_anonymous rather
1276 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
1278 * gold.cc: Include "incremental.h".
1279 (queue_initial_tasks): Call Incremental_checker methods.
1280 * incremental.cc: Include "output.h".
1281 (Incremental_checker::can_incrementally_link_output_file): New
1283 * incremental.h (Incremental_checker): New class.
1285 * output.cc (Output_file::open_for_modification): New method.
1286 (Output_file::map_anonymous): Changed return type to bool. Record
1288 (Output_file::map_no_anonymous): New method, broken out of map.
1289 (Output_file::map): Use map_no_anonymous and map_anonymous.
1290 * output.h (class Output_file): Update declarations.
1292 2009-08-24 Cary Coutant <ccoutant@google.com>
1294 * options.h (Command_line::Pre_options): New class.
1295 (Command_line::pre_options): New member.
1296 * options.cc (gold::options::ready_to_register): New variable.
1297 (One_option::register_option): Do nothing if not registering options.
1298 Assert if same short option registered twice.
1299 (General_options::General_options): Turn off option registration when
1301 (Command_line::Pre_options::Pre_options): New constructor.
1303 2009-08-24 Cary Coutant <ccoutant@google.com>
1305 * options.h (General_options::no_keep_memory): Remove incorrect
1308 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1310 * Makefile.am (am__skiplex, am__skipyacc): New.
1311 * Makefile.in: Regenerate.
1313 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1315 * Makefile.am (AM_CPPFLAGS): Renamed from ...
1316 (INCLUDES): ... this.
1317 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1318 (AM_CPPFLAGS): Renamed from ...
1319 (INCLUDE): ... this.
1320 * Makefile.in, testsuite/Makefile.in: Regenerate.
1322 * Makefile.in: Regenerate.
1323 * aclocal.m4: Likewise.
1324 * config.in: Likewise.
1325 * configure: Likewise.
1326 * testsuite/Makefile.in: Likewise.
1328 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1329 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1330 * Makefile.in: Regenerate.
1331 * testsuite/Makefile.in: Regenerate.
1333 2009-08-19 Cary Coutant <ccoutant@google.com>
1335 * resolve.cc (Symbol_table::resolve): Don't complain about defined
1336 symbols in shared libraries overridden by hidden or internal symbols
1337 in the main program.
1339 2009-08-19 Chris Demetriou <cgd@google.com>
1341 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1342 checking source file names in error messages.
1344 2009-08-18 Doug Kwan <dougkwan@google.com>
1346 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1347 an elcpp::Ehdr as parameter. Adjust call to set_target.
1348 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1349 an elfcpp::Ehdr as parameter.
1350 * object.cc (Object::set_target): Remove the version that looks up
1351 a target and sets it.
1352 (Sized_relobj::setup): Take a Target object instead of
1353 an elfcpp::Ehdr as parameter. Adjust call to set_target.
1354 (make_elf_sized_object): Find target and ask target to
1356 * object.h: (Object::set_target): Remove the version that looks up
1357 a target and sets it.
1358 (Sized_relobj::setup): Take a Target object instead of
1359 an elfcpp:Ehdr as parameter.
1360 * target.cc: Include dynobj.h.
1361 (Target::do_make_elf_object_implementation): New.
1362 (Target::do_make_elf_object): New.
1363 * target.h (Target::make_elf_object): New template declaration.
1364 (Target::do_make_elf_object): New method declarations.
1365 (Target::do_make_elf_object_implementation): New template declaration.
1367 2009-08-14 Ian Lance Taylor <iant@google.com>
1369 * gold.h (FUNCTION_NAME): Define.
1370 (gold_unreachable): Use FUNCTION_NAME.
1372 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1374 * icf.cc (Icf::find_identical_sections): Issue a warning when a
1375 symbol in the --keep-unique list is not found.
1377 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1379 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1380 been maked as --keep-unique.
1381 (Icf::unfold_section): New function.
1382 * icf.h (Icf::unfold_section): New function.
1383 * options.h (General_options::keep_unique): New option.
1384 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1385 * testsuite/Makefile.in: Regenerate.
1386 * testsuite/icf_keep_unique_test.sh: New file.
1387 * testsuite/icf_keep_unique_test.cc: New file.
1389 2009-08-12 Cary Coutant <ccoutant@google.com>
1392 * resolve.cc (Symbol_table::resolve): Check for references from
1393 dynamic objects to hidden and internal symbols.
1394 * testsuite/Makefile.am (hidden_test.sh): New test.
1395 * testsuite/Makefile.in: Regenerate.
1396 * testsuite/hidden_test.sh: New script.
1397 * testsuite/hidden_test_1.c: New test source.
1398 * testsuite/hidden_test_main.c: New test source.
1400 2009-08-11 Doug Kwan <dougkwan@google.com>
1402 * arm.cc: Update comments.
1403 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1404 segment to locate the .ARM.exidx section if present.
1406 2009-08-09 Doug Kwan <dougkwan@google.com>
1408 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1411 2009-08-07 Sriraman Tallam <tmsriram@google.com>
1412 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1415 2009-08-06 Sriraman Tallam <tmsriram@google.com>
1417 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1418 valid tls_segment only for non-debug-section relocations.
1419 * testsuite/Makefile.am: Add gc_tls_test.
1420 * testsuite/Makefile.in: Regenerate.
1421 * testsuite/gc_tls_test.cc: New file.
1422 * testsuite/gc_tls_test.sh: New file.
1424 2009-08-05 Sriraman Tallam <tmsriram@google.com>
1428 * Makefile.am (CCFILES): Add icf.cc.
1430 * Makefile.in: Regenerate.
1431 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1432 * gc.h (gc_process_relocs): Populate lists used by icf to contain
1433 section, symbol and addend information for the relocs.
1434 * gold.cc (queue_middle_tasks): Call identical code folding.
1435 * gold.h: Add defines for multimap.
1436 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1437 to the call of finalize_local_symbols.
1438 * main.cc (main): Create object of class Icf.
1439 * object.cc (Sized_relobj::do_layout): Allow this function to be
1440 called twice during icf.
1441 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1442 to sections marked as identical by icf.
1443 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1445 (Sized_relobj::do_section_entsize): New function.
1446 * object.h (Object::section_entsize): New function.
1447 (Object::do_section_entsize): New pure virtual function.
1448 (Relobj::finalize_local_symbols): Add new parameter.
1449 (Relobj::do_section_entsize): New function.
1450 * options.h (General_options::icf): New option.
1451 (General_options::icf_iterations): New option.
1452 (General_options::print_icf_sections): New option.
1453 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1454 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1455 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1457 * symtab.cc (Symbol_table::is_section_folded): New function.
1458 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
1459 to sections marked as identical by icf.
1460 * symtab.h (Symbol_table::set_icf): New function.
1461 (Symbol_table::icf): New function.
1462 (Symbol_table::is_section_folded): New function.
1463 (Symbol_table::icf_): New data member.
1464 * target-reloc.h (relocate_section): Ignore sections folded by icf.
1465 * testsuite/Makefile.am: Add commands to build icf_test.
1466 * testsuite/Makefile.in: Regenerate.
1467 * testsuite/icf_test.sh: New file.
1468 * testsuite/icf_test.cc: New file.
1470 2009-07-24 Chris Demetriou <cgd@google.com>
1472 * layout.cc (is_compressible_debug_section): Fix incorrect
1473 comment about compressed section names.
1475 2009-07-20 Ian Lance Taylor <ian@airs.com>
1478 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1480 2009-07-16 Ian Lance Taylor <iant@google.com>
1483 * layout.h: #include <map>.
1484 (class Kept_section): Change from struct to class. Add accessors
1485 and setters. Add section size to Comdat_group mapping. Change
1486 Comdat_group to std::map. Add is_comdat_ field. Add
1487 linkonce_size field in union.
1488 (class Layout): Update declaration of find_or_add_kept_section.
1489 Don't declare find_kept_object.
1490 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1491 parameter. Add object, shndx, is_comdat, and is_group_name
1492 parameters. Change all callers. Adjust for new Kept_section.
1493 (Layout::find_kept_object): Remove.
1494 * object.cc (Sized_relobj::include_section_group): Update use of
1495 Kept_section. Rename secnum to shndx. Only record
1496 Kept_comdat_section if sections are the same size.
1497 (Sized_relobj::include_linkonce_section): Update use of
1498 Kept_section. Only record Kept_comdat_section if sections are the
1499 same size. Set size of linkonce section.
1500 (Sized_relobj::map_to_kept_section): Update call to
1501 get_kept_comdat_section.
1502 * object.h (class Sized_relobj): Rename fields in
1503 Kept_comdat_section to drop trailing underscores; change object
1504 field to Relobj*. Change Kept_comdat_section_table to store
1505 struct rather than pointer.
1506 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1507 Add kept_object and kept_shndx parameters. Change all callers.
1508 (Sized_relobj::get_kept_comdat_section): Change return type to
1509 bool. Add kept_object and kept_shndx parameters. Change all
1511 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1512 Layout::find_or_add_kept_section.
1514 2009-07-09 Ian Lance Taylor <iant@google.com>
1516 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1517 Reserve space in the hash table.
1519 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1521 * fileread.cc (File_read::get_mtime): New method.
1522 * fileread.h (Timespec): New structure.
1523 (File_read::get_mtime): New method.
1524 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1525 Renamed from timestamp_nsec.
1526 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1528 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1530 (Incremental_inputs::report_archive): Save mtime; style fix.
1531 (Incremental_inputs::report_obejct): Save mtime; style fix.
1532 (Incremental_inputs::report_script): Save mtime; style fix.
1533 (Incremental_inputs::finalize_inputs): Style fix.
1534 (Incremental_inputs::finalize): Style fix.
1535 (Incremental_inputs::create_input_section_data): Store inputs
1537 * incremental.h (Incremental_inputs::report_script): Add mtime
1539 (Incremental_inputs::Input_info::Input_info): Intialize only one
1541 (Incremental_inputs::Input_info::archive): Move to nameless
1543 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1544 (Incremental_inputs::Input_info::script): Move to nameless union.
1545 (Incremental_inputs::mtime): New field.
1546 * script.cc (read_input_script): Pass file mtime to
1548 * script.h (Script_info::inputs): Style fix.
1550 2009-07-01 Ian Lance Taylor <ian@airs.com>
1552 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1555 2009-06-24 Ian Lance Taylor <iant@google.com>
1558 * layout.cc (Layout::choose_output_section): If we find an
1559 existing section, update the flags.
1560 (Layout::create_notes): New function, broken out of
1562 (Layout::finalize): Don't create note sections.
1563 (Layout::create_note): Don't crash if linker script discards
1565 (Layout::create_gold_note): Likewise.
1566 (Layout::create_build_id): Likewise. Don't set
1567 after_input_sections on the section.
1568 (Layout::create_executable_stack_info): Remove target parameter.
1570 * layout.h (class Layout): Declare create_notes. Update
1571 declaration of create_executable_stack_info.
1572 * gold.cc (queue_middle_tasks): Call create_notes.
1573 * output.cc (Output_section::update_flags_for_input_section): Move
1574 here from output.h. If SHF_ALLOC flag is newly set, mark address
1576 * output.h (Output_data::mark_address_invalid): New function.
1577 (class Output_section): Only declare, not define,
1578 update_flags_for_input_section. Remove set_flags.
1580 2009-06-24 Ian Lance Taylor <iant@google.com>
1582 * script-sections.cc (Output_section_definition::
1583 set_section_addresses): Rename shadowing local load_address to
1586 2009-06-24 Ian Lance Taylor <iant@google.com>
1589 * reloc.cc (relocate_sections): Skip empty relocation sections.
1591 2009-06-23 Ian Lance Taylor <iant@google.com>
1594 * layout.cc (Layout::create_note): Use choose_output_section
1595 rather than make_output_section.
1597 2009-06-23 Ian Lance Taylor <iant@google.com>
1600 * options.cc (General_options::parse_V): Set printed_version_.
1601 (General_options::General_options): Initialize printed_version_.
1602 * options.h (class General_options): Add printed_version_ field.
1603 * gold.cc (queue_initial_tasks): If there are no input files,
1604 don't give a fatal error if we printed the version information.
1605 (queue_middle_tasks): If using -r with a shared object, give a
1606 fatal error rather than an ordinary error.
1608 2009-06-23 Ian Lance Taylor <iant@google.com>
1611 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1612 (Layout::make_output_section): Set have_stabstr_section_ if we see
1613 a .stab*str section.
1614 (Layout::finalize): Call link_stabs_sections.
1615 (Layout::link_stabs_sections): New file.
1616 * layout.h (class Layout): Add have_stabstr_section_ field.
1617 Declare link_stabs_sections.
1619 2009-06-23 Doug Kwan <dougkwan@google.com>
1621 * Makefile.am (libgold_a_LIBADD): New.
1622 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1623 * Makefile.in: Regenerate.
1624 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1625 * configure: Regenerate.
1626 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1627 * fileread.cc: Include sys/state.h
1628 * gold.h: Declare memmem and strndup if found missing.
1629 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1631 2009-06-23 Ian Lance Taylor <iant@google.com>
1633 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1634 * configure: Rebuild.
1636 2009-06-23 Ian Lance Taylor <iant@google.com>
1639 * object.cc (Object::section_contents): Don't try to get a view if
1640 the section has length zero.
1641 (Object::handle_gnu_warning_section): If the section is empty, use
1642 the name of the section as the warning.
1644 2009-06-23 Ian Lance Taylor <iant@google.com>
1647 * stringpool.h (class Stringpool_template): Add optimize_ field.
1648 (Stringpool_template::set_optimize): New function.
1649 * stringpool.cc (Stringpool_template::Stringpool_template):
1650 Initialize optimize_ field.
1651 (Stringpool_template::set_string_offsets): Test local optimize
1652 fild rather than parameter.
1653 * layout.cc (Layout::Layout): Call set_optimize on the section
1656 2009-06-22 Ian Lance Taylor <iant@google.com>
1659 * yyscript.y: Parse TARGET.
1660 * script.cc (script_set_target): New function.
1661 * script-c.h (script_set_target): Declare.
1662 * options.cc (General_options::string_to_object_format): Rename
1663 from string_to_object_format in anonymous namespace. Change
1665 * options.h (class General_options): Declare
1666 string_to_object_format.
1668 2009-06-22 Ian Lance Taylor <iant@google.com>
1670 * script-sections.cc (Script_sections::create_segments): Don't put
1671 program headers in a PT_LOAD segment if -n or -N.
1673 2009-06-22 Ian Lance Taylor <iant@google.com>
1676 * options.h (class General_options): Add -z lazy and -z now. Sort
1677 -z options into alphabetical order.
1678 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1680 2009-06-21 Ian Lance Taylor <iant@google.com>
1682 * layout.cc (Layout::make_output_section): Call
1683 Target::new_output_section.
1684 (Layout::attach_allocated_section_to_segment): Put large section
1685 sections in a separate load segment with the large segment flag
1687 (Layout::segment_precedes): Sort large data segments after other
1689 (align_file_offset): New static function.
1690 (Layout::set_segment_offsets): Use align_file_offset.
1691 * output.h (class Output_section): Add is_small_section_ and
1692 is_large_section_ fields.
1693 (Output_section::is_small_section): New function.
1694 (Output_section::set_is_small_section): New function.
1695 (Output_section::is_large_section): New function.
1696 (Output_section::set_is_large_section): New function.
1697 (Output_section::is_large_data_section): New function.
1698 (class Output_segment): Add is_large_data_segment_ field.
1699 (Output_segment::is_large_data_segment): New function.
1700 (Output_segment::set_is_large_data_segment): New function.
1701 * output.cc (Output_section::Output_section): Initialize new
1703 (Output_segment::Output_segment): Likewise.
1704 (Output_segment::add_output_section): Add assertion that large
1705 data sections always go in large data segments. Force small data
1706 sections to the end of the list of data sections. Force small BSS
1707 sections to the start of the list of BSS sections. For large BSS
1708 sections to the end of the list of BSS sections.
1709 * symtab.h (class Symbol): Declare is_common_shndx.
1710 (Symbol::is_defined): Check Symbol::is_common_shndx.
1711 (Symbol::is_common): Likewise.
1712 (class Symbol_table): Define enum Commons_section_type. Update
1713 declarations. Add small_commons_ and large_commons_ fields.
1714 * symtab.cc (Symbol::is_common_shndx): New function.
1715 (Symbol_table::Symbol_table): Initialize new fields.
1716 (Symbol_table::add_from_object): Put small and large common
1717 symbols in the right list.
1718 (Symbol_table::sized_finalized_symbol): Check
1719 Symbol::is_common_shndx.
1720 (Symbol_table::sized_write_globals): Likewise.
1721 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1722 common symbol lists. Don't call do_allocate_commons_list if the
1724 (Symbol_table::do_allocate_commons_list): Remove is_tls
1725 parameter. Add comons_section_type parameter. Change all
1726 callers. Handle small and large common symbols.
1727 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1728 Symbol::is_common_shndx.
1729 * resolve.cc (symbol_to_bits): Likewise.
1730 * target.h (Target::small_common_shndx): New function.
1731 (Target::small_common_section_flags): New function.
1732 (Target::large_common_shndx): New function.
1733 (Target::large_common_section_flags): New function.
1734 (Target::new_output_section): New function.
1735 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1736 small_common_section_flags, and large_common_section_flags
1738 (Target::do_new_output_section): New virtual function.
1739 * arm.cc (Target_arm::arm_info): Initialize new fields.
1740 * i386.cc (Target_i386::i386_info): Likewise.
1741 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1743 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1744 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1745 (Target_x86_64::do_new_output_section): New function.
1746 * configure.ac: Define conditional MCMODEL_MEDIUM.
1747 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1748 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1749 (large_LDFLAGS): Define.
1750 * testsuite/large.c: New file.
1751 * testsuite/testfile.cc (Target_test::test_target_info):
1752 Initialize new fields.
1753 * configure, testsuite/Makefile.in: Rebuild.
1755 2009-06-05 Doug Kwan <dougkwan@google.com>
1757 * Makefile.am (CCFILES): Add target.cc.
1758 * Makefile.in: Regenerate.
1759 * i386.cc (class Target_i386): Define new virtual method to
1760 override do_is_local_label_name in parent.
1761 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1762 local symbols if --discard-locals or -X is given.
1763 * options.h (class General_options): Declare new options
1764 '--discard-locals' and '-X' for discarding locals.
1765 * target.h (class Target): Define new methods is_local_label_name.
1766 Declare new virtual method do_is_local_label_name.
1767 * target.cc: New file.
1768 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1769 (check_SCRIPTS): Add discard_locals_test.sh.
1770 (check_DATA): Add discard_local_tests.syms.
1771 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1772 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1773 * testsuite/Makefile.in: Regenerate.
1774 * testsuite/discard_locals_test.c: New file.
1775 * testsuite/discard_locals_test.sh: Same.
1777 2009-06-05 Doug Kwan <dougkwan@google.com>
1779 * object.cc (Sized_relobj::Sized_relobj): Initialize
1780 discarded_eh_frame_shndx_ to -1U.
1781 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1783 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1784 a discarded .eh_frame section.
1785 (Sized_relobj::do_finalize_local_symbols): Ditto.
1786 * object.h (class Sized_relobj): Declare new member
1787 discarded_eh_frame_shndx_.
1788 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1789 (local_labels_test.o, local_labels_test): New rules.
1790 * testsuite/Makefile.in: Regenerate.
1792 2009-06-04 Doug Kwan <dougkwan@google.com>
1794 * layout.cc (Layout::section_name_mapping): Add mapping for
1795 special ARM sections.
1797 2009-06-03 Doug Kwan <dougkwan@google.com>
1799 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1800 (utils::has_overflow): Same.
1802 2009-06-03 Ian Lance Taylor <iant@google.com>
1804 * layout.cc (Layout::section_name_mapping): New array, replacing
1805 Layout::linkonce_mapping.
1806 (Layout::section_name_mapping_count): New variable, replacing
1807 Layout::linkonce_mapping_count.
1808 (Layout::linkonce_output_name): Remove.
1809 (Layout::output_section_name): Rewrite.
1810 * layout.h (class Layout): Rename Linkonce_mapping to
1811 Section_name_mapping, linkonce_mapping to section_name_mapping,
1812 linkonce_mapping_count to section_name_mapping_count. Don't
1813 declare linkonce_output_name.
1815 2009-06-03 Doug Kwan <dougkwan@google.com>
1817 * gold/arm.cc (namespace utils): New.
1818 (Target_arm::reloc_is_non_pic): Define new method.
1819 (class Arm_relocate_functions): New.
1820 (Target_arm::Relocate::relocate): Handle relocation types used by
1823 2009-06-03 Ian Lance Taylor <iant@google.com>
1825 * arm.cc (Target_arm::scan::global): Use || instead of |.
1827 2009-06-02 Doug Kwan <dougkwan@google.com>
1829 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1830 issued_non_pic_error_.
1831 (class Target_arm::Scan): Declare new method check_non_pic.
1832 Define new method symbol_needs_plt_entry.
1833 Declare new data member issued_non_pic_error_.
1834 (class Target_arm::Relocate): Declare new method
1835 should_apply_static_reloc.
1836 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1837 (Target_arm::Scan::check_non_pic): Define new method.
1838 (Target_arm::Scan::local): Handle a small subset of reloc types used
1840 (Target_arm::Scan::local): Same.
1841 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1843 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1845 * incremental.cc (Incremental_inputs::report_command_line): Filter
1846 out --incremental-* options.
1848 2009-05-29 Doug Kwan <dougkwan@google.com>
1850 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1852 (class Target_arm): Update comment.
1853 (Target_arm::Target_arm): Initialize new data members GOT_,
1854 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1855 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1856 and Target_arm::rel_dyn_section.
1857 Declare new_enum Target_arm::Got_type.
1858 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1860 Update commments for member do_dynsym_value.
1861 (Target_arm::got_size, Target_arm::plt_section,
1862 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1863 new methods inside class defintion.
1864 (Target_arm::got_section): Define new method.
1865 (Target_arm::rel_dyn_section): Same.
1866 (Output_data_plt_arm): New template class.
1867 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1868 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1869 (Output_data_plt_arm::add_entry): Same.
1870 (Output_data_plt_arm::first_plt_entry): Define new
1871 static data member for PLT instruction template.
1872 (Output_data_plt_arm::plt_entry): Same.
1873 (Output_data_plt_arm::do_write): Define new method.
1874 (Target_arm::make_plt_entry): Same.
1875 (Target_arm::do_finalize_sections): Same.
1876 (Target_arm::do_dynsym_value): Same.
1878 2009-05-28 Doug Kwan <dougkwan@google.com>
1880 * Makefile.am (TARGETSOURCES): Add arm.cc.
1881 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1882 * Makefile.in: Regenerate.
1884 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1886 2009-05-26 Doug Kwan <dougkwan@google.com>
1888 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1889 (General_options::check_excluded_libs): Strip off directories in
1890 archive name before matching like GNU ld does.
1891 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1892 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1893 (exclude_libs_test_LDFLAGS): Add linker option
1894 -Wl,--exclude-libs,libexclude_libs_test_3
1895 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1896 an explicit archive without using -l.
1897 (alt/libexclude_libs_test_3.a): New make rule.
1898 * testsuite/Makefile.in: Regenerate.
1899 * testsuite/exclude_libs_test.c : Declare lib3_default().
1901 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1902 * exclude_libs_test_3.c: New file.
1904 2009-05-26 Nick Clifton <nickc@redhat.com>
1906 * po/id.po: New Indonesian translation.
1907 * po/gold.pot: Updated template file.
1909 2009-05-22 Sriraman Tallam <tmsriram@google.com>
1911 * testsuite/Makefile.am: Add -ffunction-sections to compile
1912 gc_comdat_test files. Add -Wl,--gc-sections to build
1914 * testsuite/Makefile.in: Regenerate.
1915 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1917 2009-05-21 Sriraman Tallam <tmsriram@google.com>
1919 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1920 kept comdat section was garbage collected.
1921 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1922 * testsuite/Makefile.in: Regenerate.
1923 * testsuite/gc_comdat_test.sh: New file.
1924 * testsuite/gc_comdat_test_1.cc: New file.
1925 * testsuite/gc_comdat_test_2.cc: New file.
1927 2009-05-19 Doug Kwan <dougkwan@google.com>
1929 * archive.cc (Archive::Archive): Move constructor from archive.h
1930 to here. Initialize no_export_.
1931 (Archive::get_elf_object_for_member): Set no_export flag of object.
1932 * archive.h (Archive::Archive): Move constructor body to
1934 (Archive::no_export): New method.
1935 (Archive::no_export_): New field.
1936 * object.h (Object::Object): Initialize no_export_ to false.
1937 (Object::no_export, Object::set_no_export): New methods.
1938 (Object::no_export_): New field.
1939 * options.cc (General_options::parse_exclude_libs): New method.
1940 (General_options::check_excluded_libs) Same.
1941 * options.h (exclude_libs): New option.
1942 (General_options::check_excluded_libs): New method declaration.
1943 (General_options::excluded_libs_): New field.
1944 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1945 default or protected visibility if an object has no-export flag set.
1946 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1947 (check_SCRIPTS): Add exclude_libs_test.sh.
1948 (check_DATA): Add exclude_libs_test.syms.
1949 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1950 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1951 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1952 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1953 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1954 libexclude_libs_test_2.a): New rules.
1955 * testsuite/Makefile.in: Regenerate.
1956 * testsuite/exclude_libs_test.c: New file.
1957 * testsuite/exclude_libs_test.sh: Ditto.
1958 * testsuite/exclude_libs_test_1.c: Ditto.
1959 * testsuite/exclude_libs_test_2.c: Ditto.
1961 2009-05-15 Ian Lance Taylor <iant@google.com>
1963 * configure.ac: Check for declarations for cases where libiberty.h
1964 checks HAVE_DECL_xxx.
1965 * configure, config.in: Rebuild.
1967 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1969 * gold.h (Incremental_argument_list): Remove (invalid) forward
1971 * incremental.cc (Incremental_inputs::report_achive): New method.
1972 (Incremental_inputs::report_object): New method.
1973 (Incremental_inputs::report_script): New method.
1974 (Incremental_inputs::finalize_inputs): New method.
1975 (Incremental_inputs::finalize): Call finalize_inputs().
1976 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1977 Create inputs entries.
1978 * incremental.h (Incremental_input_type): New enum.
1979 (Incremental_inputs::Incremental_input): Initialize new fields.
1980 (Incremental_inputs::report_inputs): New method.
1981 (Incremental_inputs::report_achive): New method.
1982 (Incremental_inputs::report_object): New method.
1983 (Incremental_inputs::report_script): New method.
1984 (Incremental_inputs::finalize_inputs): New method.
1985 (Incremental_inputs::Input_info): New struct.
1986 (Incremental_inputs::Input_info_map): New typedef.
1987 (Incremental_inputs::lock_): New field.
1988 (Incremental_inputs::Inputs_): New field.
1989 (Incremental_inputs::Inputs_map): New field.
1990 * main.cc (main): Call Incremental_input::report_inputs.
1991 * options.h (Input_argument_list): Typedef moved from
1993 (Input_file_group::Files): Remove, use ::Input_argument_list.
1994 (Input_file_group::Input_argument_list): Remove, use
1995 ::Input_argument_list.
1996 * plugin.cc (Plugin_manager::add_input_file): Add error in
1998 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2000 * script.cc (read_input_script): Call
2001 Incremental_input::report_script.
2002 * script.h (Script_info): New class.
2004 2009-04-27 Ian Lance Taylor <iant@google.com>
2006 * x86_64.cc (do_adjust_output_section): Set entsize to
2009 2009-04-23 Elliott Hughes <enh@google.com>
2011 * output.cc (Output_file::close): After short writes, continue
2012 writing from the correct offset in the buffer being written.
2014 2009-04-23 Chris Demetriou <cgd@google.com>
2016 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2017 * configure: Regenerate.
2018 * config.in: Regenerate.
2019 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2020 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2022 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
2024 * incremental.cc (Incremental_inputs_header_data): Renamed from
2025 Incremental_input_header_data.
2026 (Incremental_inputs_header_data::data_size): New field.
2027 (Incremental_inputs_header_data::put_input_file_count): Renamed
2028 from input_file_count.
2029 (Incremental_inputs_header_data::put_command_line_offset): Renamed
2030 from command_line_offset.
2031 (Incremental_inputs_header_data::put_reserved): Renamed from
2033 (Incremental_inputs_entry_data): Renamed from
2034 Incremental_input_entry_data.
2035 (Incremental_inputs_entry_data::data_size): New field.
2036 (Incremental_inputs::report_command_line): New method.
2037 (Incremental_inputs::finalize): New method.
2038 (Incremental_inputs::create_incremental_inputs_data): New method.
2039 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2040 * incremental.h: New file.
2041 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2042 (Layout::finalize): Create incremental inputs section in
2044 (Layout::create_incremental_info_sections): New method.
2045 * layout.h (Layout::incremental_inputs): New method.
2046 (Layout::create_incremental_info_sections): New method.
2047 (Layout::incremental_inputs_): New field.
2048 * main.cc (main): Notify Incremental_input of the command line.
2050 2009-04-01 Ian Lance Taylor <iant@google.com>
2051 Mikolaj Zalewski <mikolajz@google.com>
2053 * gold.h (reserve_unordered_map): Define, three versions, one for
2054 each version of Unordered_map.
2055 * layout.cc (Layout::Layout): Remove options parameter. Add
2056 number_of_input_files parameter. Don't initialize options_.
2057 Initialize number_of_input_files_ and resized_signatures_. Move
2058 sections_are_attached_.
2059 (Layout::layout_group): Reserve space for group_signatures_.
2060 (Layout::find_or_add_kept_section): Change name parameter to be a
2061 reference. Resize signatures_ map when it gets large enough.
2062 (Layout::layout_eh_frame): Use parameters->options() instead of
2064 (Layout::make_output_section): Likewise.
2065 (Layout::attach_allocated_section_to_segment): Likewise.
2066 (Layout::finalize, Layout::create_executable_stack): Likewise.
2067 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2068 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2069 * layout.h (class Layout): Update declarations. Remove options_
2070 field. Add number_of_input_files_ and resized_signatures_
2071 fields. Move sections_are_attached_ field.
2072 * main.cc (main): Pass number of input files to Layout
2073 constructor. Don't pass options.
2075 2009-03-30 Ian Lance Taylor <iant@google.com>
2077 * ffsll.c (ffsll): Correct implementation.
2079 2009-03-27 Ian Lance Taylor <iant@google.com>
2081 * ffsll.c: New file.
2082 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2083 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2084 * ftruncate.c (ftruncate): Declare before definition.
2085 * mremap.c (mremap): Likewise.
2086 * pread.c (pread): Likewise.
2087 * configure, Makefile.in, config.in: Rebuild.
2089 * mremap.c: New file.
2090 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2091 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2092 (mremap): Declare if HAVE_MREMAP is not defined.
2093 * configure, Makefile.in, config.in: Rebuild.
2095 2009-03-27 Cary Coutant <ccoutant@google.com>
2097 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2098 position independent.
2099 * sparc.cc (Target_sparc::check_non_pic): Likewise.
2100 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2102 2009-03-24 Cary Coutant <ccoutant@google.com>
2104 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2106 (needs_dynamic_reloc): Likewise.
2108 2009-03-24 Ian Lance Taylor <iant@google.com>
2110 * yyscript.y (file_cmd): Recognize EXTERN.
2111 (extern_name_list, extern_name_list_body): New nonterminals.
2112 * script.cc (script_add_extern): Define.
2113 * script-c.h (script_add_extern): Declare.
2115 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
2117 * object.cc (is_elf_object): Define.
2118 * object.h (is_elf_object): Declare.
2119 * archive.cc (Archive::get_elf_object_for_member): Call
2121 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2123 2009-03-24 Elliott Hughes <enh@google.com>
2125 * output.cc (Output_file::map_anonymous): Define.
2126 (Output_file::map): Use map_anonymous. If the regular mmap fails,
2127 try an anonymous one. Report the size if the mmap fails.
2128 * output.h (class Output_file): Declare map_anonymous.
2130 2009-03-24 Ian Lance Taylor <iant@google.com>
2132 * target-select.cc (instantiate_target): Don't acquire the lock if
2133 the instantiated_target_ field has already been set.
2135 2009-03-23 Ian Lance Taylor <iant@google.com>
2137 * gold-threads.h (class Initialize_lock): Define.
2138 * gold-threads.cc (class Initialize_lock_once): Define.
2139 (initialize_lock_control): New static variable.
2140 (initialize_lock_pointer): New static variable.
2141 (initialize_lock_once): New static function.
2142 (Initialize_lock::Initialize_lock): Define.
2143 (Initialize_lock::initialize): Define.
2144 * target-select.h: Include "gold-threads.h".
2145 (class Target_selector): Add lock_ and initialize_lock_ fields.
2146 Don't define instantiate_target, just declare it.
2147 * target-select.cc (Target_selector::Target_selector): Initialize
2149 (Target_selector::instantiate_target): Define.
2150 * descriptors.h: Include "gold-threads.h".
2151 (class Descriptors): Add initialize_lock_ field.
2152 * descriptors.cc (Descriptors::Descriptors): Initialize new
2154 (Descriptors::open): Use initialize_lock_ field
2155 * errors.h (class Errors): Add initialize_lock_ field.
2156 * errors.cc (Errors::Errors): Initialize new field.
2157 (Errors::initialize_lock): Use initialize_lock_ field.
2158 * powerpc.cc (class Target_selector_powerpc): Remove
2159 instantiated_target_ field. In do_recognize call
2160 instantiate_target rather than do_instantiate_target. In
2161 do_instantiate_target just allocate a new target.
2162 * sparc.cc (class Target_selector_sparc): Likewise.
2164 * freebsd.h: New file.
2165 * i386.cc: Include "freebsd.h".
2166 (Target_i386): Derive from Target_freebsd rather than
2168 (Target_selector_i386): Derive from Target_selector_freebsd rather
2169 than Target_selector.
2170 * x86_64.cc: Include "freebsd.h".
2171 (Target_x86_64): Derive from Target_freebsd rather than
2173 (Target_selector_x86_64): Derive from Target_selector_freebsd
2174 rather than Target_selector.
2175 * target.h (class Target): Add adjust_elf_header and
2176 do_adjust_elf_header.
2177 * output.cc (Output_file_header:: do_sized_write): Call target
2178 adjust_elf_header routine.
2179 * configure.tgt: Set targ_osabi.
2180 * configure.ac: Define GOLD_DEFAULT_OSABI.
2181 * parameters.cc (Parameters::default_target): Pass
2182 GOLD_DEFAULT_OSABI to select_target.
2183 * target-select.h (class Target_selector): Make instantiate_target
2184 protected rather than private.
2185 * Makefile.am (HFILES): Add freebsd.h.
2186 * configure, Makefile.in, config.in: Rebuild.
2188 * merge.cc (do_add_input_section): Correct pend value. Change
2189 message about last entry not being null terminated from error to
2192 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
2194 * incremental.cc: New file.
2195 * Makefile.am (CCFILES): Add incremental.cc.
2196 * Makefile.in: Rebuild.
2198 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
2200 * layout.cc (Layout::output_section_name): Preserve names
2201 of '.note.' sections.
2203 2009-03-19 Ian Lance Taylor <iant@google.com>
2205 * descriptors.cc (Descriptors::open): Check that the options are
2206 valid before using them.
2208 2009-03-18 Ian Lance Taylor <iant@google.com>
2210 * script-sections.h: Include <list>.
2211 (class Script_sections): Change Sections_elements from std::vector
2212 to std::list. Typedef public Elements_iterator. Add
2213 orphan_section_placement_, data_segment_align_start_, and
2214 saw_data_segment_align_ fields. Remove data_segment_align_index_
2216 * script-sections.cc (class Orphan_section_placement): New class.
2217 (class Sections_element): Add virtual functions is_relro and
2218 orphan_section_init. Remove virtual function place_orphan_here.
2219 (class Output_section_definition): Add is_relro and
2220 orphan_section_init. Remove place_orphan_here.
2221 (class Orphan_output_section): Likewise.
2222 (Script_sections::Script_sections): Update for field changes.
2223 (Script_sections::data_segment_align): Set saw_data_segment_align_
2224 and data_segment_align_start_, not data_segment_align_index.
2225 (Script_sections::data_segment_relro_end): Check
2226 saw_data_segment_align_. Use data_segment_align_start_ rather
2227 than data_segment_align_index_.
2228 (Script_sections::place_orphan): Rewrite to use
2229 Orphan_section_placement.
2231 2009-03-17 Ian Lance Taylor <iant@google.com>
2233 * archive.cc (Archive::add_symbols): Check for a version attached
2234 to the symbol name in the archive map.
2235 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2236 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2237 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2238 (ver_test_11.a): New target.
2239 * testsuite/Makefile.in: Rebuild.
2241 * configure.ac: Check for chsize and posix_fallocate. Replace
2243 * ftruncate.c: New file, from gnulib.
2244 * output.cc (posix_fallocate): Define dummy version if not
2245 HAVE_POSIX_FALLOCATE.
2246 (Output_file::map): Call posix_fallocate rather than lseek and
2248 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2249 * configure, Makefile.in, config.in: Rebuild.
2251 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
2253 * layout.h (Layout::create_note): Add section_name parameter.
2254 * layout.cc (Layout::create_note): Likewise.
2255 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2257 2009-03-17 Ian Lance Taylor <iant@google.com>
2259 * descriptors.cc: Include "options.h".
2260 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2261 (Descriptors::open): Always use O_CLOEXEC when opening a new
2262 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
2263 then set FD_CLOEXEC.
2265 * sparc.cc (class Target_sparc): Add has_got_section.
2266 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2267 make sure we have a GOT section.
2269 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2270 (Target_sparc::Scan::local): Likewise.
2271 (Target_sparc::Scan::global): Likewise.
2272 (Target_sparc::Relocate::relocate): Likewise.
2273 (Target_sparc::Relocate::relocate_tls): Likewise.
2275 * symtab.cc (Symbol_table::define_default_version): New function,
2276 broken out of add_from_object.
2277 (Symbol_table::add_from_object): Call define_default_version.
2278 (Symbol_table::define_special_symbol): Add resolve_oldsym
2279 parameter. Change all callers. If the version for a symbol comes
2280 from a version script, resolve it with the symbol with the same
2281 name with no version. Also add the symbol without a version if
2283 (do_define_in_output_data): If resolving with oldsym, don't delete
2285 (do_define_in_output_segment): Likewise.
2286 (do_define_as_constant): Likewise.
2287 * symtab.h (class Symbol_table): Update declarations.
2289 2009-03-13 Ian Lance Taylor <iant@google.com>
2291 * readsyms.cc (Read_symbols::incompatible_warning): New function.
2292 (Read_symbols::requeue): New function.
2293 (Read_symbols::do_read_symbols): If make_elf_object fails because
2294 the target type is not configured, and the file was searched for,
2295 issue a warning and retry with the next directory.
2296 (Add_symbols::run): If the file has an incompatible format, and
2297 it was searched for, requeue the Read_symbols task. On error,
2299 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
2300 dirindex parameter to constructor. Change all callers. Declare
2301 incompatible_warning and requeue.
2302 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2303 input_argument_ and input_group_ fields. Add them to
2304 constructor. Change all callers.
2305 (class Read_script): Add dirindex_ field. Add it to constructor.
2307 * archive.cc (Archive::setup): Remove input_objects parameter.
2309 (Archive::get_file_and_offset): Likewise.
2310 (Archive::read_all_symbols): Likewise.
2311 (Archive::read_symbols): Likewise.
2312 (Archive::get_elf_object_for_member): Remove input_objects
2313 parameter. Add punconfigured parameter. Change all callers.
2314 (Archive::add_symbols): Change return type to bool. Check return
2315 value of include_member.
2316 (Archive::include_all_members): Likewise.
2317 (Archive::include_member): Change return type to bool. Return
2318 false if first included object has incompatible target. Set
2319 included_member_ field.
2320 (Add_archive_symbols::run): If add_symbols returns false, requeue
2322 * archive.h (class Archive): Add included_member_ field.
2323 Initialize it in constructor. Add input_file and searched_for
2324 methods. Update declarations.
2325 (class Add_archive_symbols): Add dirpath_, dirindex_, and
2326 input_argument_ fields. Add them to constructor. Change all
2328 * script.cc: Include "target-select.h".
2329 (class Parser_closure): Add skip_on_incompatible_target_ and
2330 found_incompatible_target_ fields. Add
2331 skip_on_incompatible_target parameter to constructor. Change all
2332 callers. Add methods skip_on_incompatible_target,
2333 clear_skip_on_incompatible_target, found_incompatible_target, and
2334 set_found_incompatible_target.
2335 (read_input_script): Add dirindex parameter. Change all callers.
2336 If parser finds an incompatible target, requeue Read_symbols
2338 (script_set_symbol): Clear skip_on_incompatible_target in
2340 (script_add_assertion, script_parse_option): Likewise.
2341 (script_start_sections, script_add_phdr): Likewise.
2342 (script_check_output_format): New function.
2343 * script.h (read_input_script): Update declaration.
2344 * script-c.h (script_check_output_format): Declare.
2345 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2346 (ignore_cmd): Remove OUTPUT_FORMAT.
2347 * fileread.cc (Input_file::Input_file): Add explicit this.
2348 (Input_file::will_search_for): New function.
2349 (Input_file::open): Add pindex parameter. Change all callers.
2350 * fileread.h (class Input_file): Add input_file_argument method.
2351 Declare will_search_for. Update declarations.
2352 * object.cc (make_elf_object): Add punconfigured parameter.
2354 * object.h (class Object): Make input_file public. Add
2355 searched_for method.
2356 (make_elf_object): Update declaration.
2357 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
2359 * dirsearch.h (class Dirsearch): Update declaration.
2360 * options.h (class General_options): Add --warn-search-mismatch.
2361 * parameters.cc (Parameters::is_compatible_target): New function.
2362 * parameters.h (class Parameters): Declare is_compatible_target.
2363 * workqueue.cc (Workqueue::add_blocker): New function.
2364 * workqueue.h (class Workqueue): Declare add_blocker.
2366 * fileread.cc (Input_file::open): Remove options parameter.
2368 (Input_file::open_binary): Likewise.
2369 * script.cc (read_input_script): Likewise.
2370 * readsyms.h (class Read_symbols): Remove options_ field. Remove
2371 options parameter from constructor. Change all callers.
2372 (class Read_script): Likewise.
2373 * fileread.h (class Input_file): Update declarations.
2374 * script.h (read_input_script): Update declaration.
2376 2009-03-10 Nick Clifton <nickc@redhat.com>
2378 * po/es.po: New Spanish translation.
2380 2009-03-06 Cary Coutant <ccoutant@google.com>
2382 * options.cc (parse_short_option): Keep dash_z from registering itself.
2384 2009-03-03 Ian Lance Taylor <iant@google.com>
2387 * target-reloc.h (relocate_section): Pass output_section to
2389 * i386.cc (Target_i386::should_apply_static_reloc): Add
2390 output_section parameter. Change all callers.
2391 (Target_i386::Relocate::relocate): Add output_section parameter.
2392 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2393 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2394 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2395 * testsuite/two_file_shared.sh: New script.
2396 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2397 (check_DATA): Add two_file_shared.dbg.
2398 (two_file_shared.dbg): New target.
2399 * testsuite/Makefile.in: Rebuild.
2401 2009-03-01 Ian Lance Taylor <iant@google.com>
2403 * configure.ac: Check for byteswap.h.
2404 * configure: Rebuild.
2405 * config.in: Rebuild.
2407 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2409 * layout.cc (Layout::find_or_add_kept_section): New function.
2410 (Layout::add_comdat): Removed.
2411 * layout.h (struct Kept_section): Move out of class Layout.
2412 Remove trailing underscores from field names. Add group_sections
2413 field. Rename group_ field to is_group. Change all uses.
2414 (class Layout): Declare find_or_add_kept_section, not add_comdat.
2415 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2416 comdat_groups_ field.
2417 (Sized_relobj::include_section_group): Use
2418 find_or_add_kept_section and Kept_section::group_sections.
2419 (Sized_relobj::include_linkonce_section): Likewise.
2420 * object.cc (class Sized_relobj): Don't define Comdat_group or
2421 Comdat_group_table. Remove find_comdat_group and
2422 add_comdat_group. Remove comdat_groups_ field.
2423 * plugin.cc (include_comdat_group): Use
2424 Layout::find_or_add_kept_section.
2426 2009-02-28 Ian Lance Taylor <iant@google.com>
2428 * README: --gc-sections and map files are now supported. Document
2429 some build requirements.
2432 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2433 relocatable link set the value of the section symbol to zero.
2434 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2435 relocatable link don't include the section address in the local
2438 2009-02-27 Ian Lance Taylor <iant@google.com>
2441 * options.h (class Search_directory): Add is_system_directory.
2442 (class General_options): Declare is_in_system_directory.
2443 * options.cc (get_relative_sysroot): Make static.
2444 (get_default_sysroot): Make static.
2445 (General_optoins::is_in_system_directory): New function.
2446 * fileread.cc (Input_file::is_in_system_directory): New function.
2447 * fileread.h (class Input_file): Declare is_in_system_directory.
2448 * object.h (class Object): Add is_in_system_directory.
2449 (class Input_objects): Remove system_library_directory_ field.
2450 * object.cc (Input_objects::add_object): Don't set
2451 system_library_directory_.
2452 (input_objects::found_in_system_library_directory): Remove.
2453 * symtab.cc (Symbol_table::write_globals): Remove input_objects
2454 parameter. Change all callers.
2455 (Symbol_table::sized_write_globals): Likewise.
2456 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2457 Call Object::is_in_system_directory.
2458 * symtab.h (class Symbol_table): Update declarations.
2461 * descriptors.h (Open_descriptor): Add is_on_stack field.
2462 * descriptors.cc (Descriptors::open): If the descriptor is on the
2463 top of the stack, remove it. Initialize is_on_stack field.
2464 (Descriptors::release): Only add pod to stack if it is not on the
2466 (Descriptors::close_some_descriptor): Clear stack_next and
2470 * output.cc (Output_section::find_starting_output_address): Rename
2471 from starting_output_address; add PADDR parameter; change return
2473 * output.h (class Output_section): Declare
2474 find_starting_output_address instead of starting_output_address.
2475 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2476 section symbol for which we can't find a merge section.
2479 * symtab.cc (Symbol_table::add_from_object): If the visibility is
2480 hidden or internal, force the symbol to be local.
2481 * resolve.cc (Symbol::override_visibility): Define.
2482 (Symbol::override_base): Use override_visibility.
2483 (Symbol_table::resolve): Likewise.
2484 (Symbol::override_base_with_special): Likewise.
2485 (Symbol_table::override_with_special): If the visibility is hidden
2486 or internal, force the symbol to be local.
2487 * symtab.h (class Symbol): Add set_visibility and
2488 override_visibility.
2489 * testsuite/ver_test_1.sh: New file.
2490 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2491 (check_DATA): Add ver_test_1.syms.
2492 (ver_test_1.syms): New target.
2493 * testsuite/Makefile.in: Rebuild.
2495 2009-02-25 Cary Coutant <ccoutant@google.com>
2497 * layout.cc (Layout::choose_output_section): Don't rename sections
2498 when using a linker script that has a SECTIONS clause.
2499 * Makefile.in: Regenerate.
2501 * testsuite/Makefile.am (script_test_5.sh): New test case.
2502 * testsuite/Makefile.in: Regenerate.
2503 * testsuite/script_test_5.cc: New file.
2504 * testsuite/script_test_5.sh: New file.
2505 * testsuite/script_test_5.t: New file.
2507 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
2509 * archive.cc (Archive::include_member): Update calls to add_symbols.
2510 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2511 the Layout argument.
2512 * dynobj.h (do_add_symbols): Add the Layout argument.
2513 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2515 * object.h (Object::add_symbols): Add the Layout argument.
2516 (Object::do_add_symbols): Add the Layout argument.
2517 (Sized_relobj::do_add_symbols): Add the Layout argument.
2518 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2519 Unify the two versions.
2520 (Add_plugin_symbols): Remove.
2521 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2522 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2523 (Add_plugin_symbols): Remove.
2524 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2525 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2526 (Add_symbols::run): Make it work with Pulginobj.
2528 2009-02-06 Ian Lance Taylor <iant@google.com>
2530 * object.cc (Sized_relobj::do_layout): Make info message start
2531 with lower case letter.
2533 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2535 * binary.cc: Fix file comment.
2537 * options.h (enum Incremental_disposition): Define.
2538 (class General_options): Add new options: --incremental,
2539 --incremental_changed, --incremental_unchanged,
2540 --incremental_unknown. Add incremental_disposition_ and
2541 implicit_incremental_ fields.
2542 (General_options::incremental_disposition): New function.
2543 (class Position_dependent_options): Add incremental_disposition
2545 (Position_dependent_options::copy_from_options): Set incremental
2547 * options.cc (General_options::parse_incremental_changed): New
2549 (General_options::parse_incremental_unchanged): New function.
2550 (General_options::parse_incremental_unknown): New function.
2551 (General_options::General_options): Initialize new fields
2552 incremental_disposition_ and implicit_incremental_.
2553 (General_options::finalize): Check for uasge of --incremental-*
2554 without --incremental.
2556 2009-02-06 Chris Demetriou <cgd@google.com>
2558 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2559 pointer and to report location as the file name associated with
2561 (gold_undefined_symbol_at_location): New function to replace the
2562 old gold_undefined_symbol functionality.
2563 * target-reloc.h (relocate_section): Update to use
2564 gold_undefined_symbol_at_location.
2565 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2566 Call gold_undefined_symbol function rather than gold_error.
2567 * errors.h (Errors::undefined_symbol): Take location as a
2568 string, rather than calculating it from a relocation.
2569 * errors.cc (Errors::fatal): Print "fatal error:" before the
2571 (Errors::error, Errors::error_at_location): Print "error: "
2572 before the formatted message.
2573 (Errors::undefined_symbol): Take location as a string, rather
2574 than calculating it from a relocation.
2575 (gold_undefined_symbol_at_location): New function akin to
2576 old gold_undefined_symbol, calculates location from relocation.
2577 (gold_undefined_symbol): Change to take only a Symbol pointer
2578 and to report location as the file name associated with the symbol.
2579 * testsuite/debug_msg.sh: Update for changed error messages.
2580 * testsuite/undef_symbol.sh: Likewise.
2582 2009-02-04 Duncan Sands <baldrick@free.fr>
2585 * reduced_debug_output.h
2586 (Output_reduced_debug_abbrev_section::failed): Use format for
2588 (Output_reduced_debug_info_section::faild): Likewise.
2590 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2592 * script.cc (Lazy_demangler): New class.
2593 (Version_script_info::get_symbol_version_helper): Demangle a
2596 2009-01-29 Cary Coutant <ccoutant@google.com>
2598 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2600 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2602 2009-01-28 Ian Lance Taylor <iant@google.com>
2604 * version.cc (version_string): Bump to 1.9.
2606 * gold.h: Include <cstring> and <stdint.h>.
2607 * version.cc: Include <cstdio>.
2608 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2610 * reduced_debug_output.cc (insert_into_vector): Rename from
2611 Insert_into_vector; change all callers. Use Swap_unaligned to
2612 avoid aliasing issue; remove union since it is unnecessary.
2614 2009-01-27 Sriraman Tallam <tmsriram@google.com>
2616 * Makefile.am (CCFILES): Add gc.cc.
2618 * Makefile.in: Regenerate.
2619 * gold.cc (Gc_runner): New class.
2620 (queue_initial_tasks): Call garbage collection related tasks
2621 when corresponding options are invoked.
2622 (queue_middle_gc_tasks): New function.
2623 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2624 processed early before laying out sections during garbage collection.
2625 * gold.h (queue_middle_gc_tasks): New function.
2626 (is_prefix_of): Move from "layout.cc".
2627 * i386.cc (Target_i386::gc_process_relocs): New function.
2628 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2629 * main.cc (main): Create object of class "Garbage_collection".
2630 * object.cc (Relobj::copy_symbols_data): New function.
2631 (Relobj::is_section_name_included): New function.
2632 (Sized_relobj::do_layout): Allow this function to be called twice
2633 during garbage collection and defer layout of section during the
2635 * object.h (Relobj::get_symbols_data): New function.
2636 (Relobj::is_section_name_included): New function.
2637 (Relobj::copy_symbols_data): New function.
2638 (Relobj::set_symbols_data): New function.
2639 (Relobj::get_relocs_data): New function.
2640 (Relobj::set_relocs_data): New function.
2641 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2642 (Relobj::gc_process_relocs): New function.
2643 (Relobj::do_gc_process_relocs): New pure virtual function.
2644 (Relobj::sd_): New data member.
2645 (Sized_relobj::is_output_section_offset_invalid): New function.
2646 (Sized_relobj::do_gc_process_relocs): New function.
2647 * options.h (General_options::gc_sections): Modify to not be a no-op.
2648 (General_options::print_gc_sections): New option.
2649 * plugin.cc (Plugin_finish::run): Remove function call to
2650 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2651 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2652 * reloc.cc (Read_relocs::run): Add task to process relocs and
2653 determine unreferenced sections when doing garbage collection.
2654 (Gc_process_relocs): New class.
2655 (Sized_relobj::do_gc_process_relocs): New function.
2656 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2657 sections that are garbage collected.
2658 * reloc.h (Gc_process_relocs): New class.
2659 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2660 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2661 symbols whose corresponding sections are garbage collected.
2662 (Symbol_table::Symbol_table): Add new parameter for the garbage
2664 (Symbol_table::gc_mark_undef_symbols): New function.
2665 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2666 (Symbol_table::gc_mark_dyn_syms): New function.
2667 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2669 (Symbol_table::add_from_object): Likewise.
2670 (Symbol_table::add_from_relobj): When building shared objects, do not
2671 treat externally visible symbols as garbage.
2672 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2673 table information for static and relocatable links.
2674 * symtab.h (Symbol_table::set_gc): New function.
2675 (Symbol_table::gc): New function.
2676 (Symbol_table::gc_mark_undef_symbols): New function.
2677 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2678 (Symbol_table::gc_mark_dyn_syms): New function.
2679 (Symbol_table::gc_): New data member.
2680 * target.h (Sized_target::gc_process_relocs): New pure virtual
2682 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2683 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2685 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2687 * options.h (General_options::gc_sections): Define as a no-op for now.
2688 (General_options::no_keep_memory): Ditto.
2689 (General_options::Bshareable): Define.
2690 * options.cc (General_options::finalize): Honor -Bshareable.
2692 2009-01-20 Andreas Schwab <schwab@suse.de>
2694 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2695 read the value in the contents, since we don't use it. Use the
2696 template endianness when writing.
2697 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2699 2009-01-19 Andreas Schwab <schwab@suse.de>
2701 * configure.tgt (powerpc64-*): Fix targ_obj.
2703 2009-01-15 Ian Lance Taylor <iant@google.com>
2705 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2706 local symbols when stripping all symbols.
2708 2009-01-14 Cary Coutant <ccoutant@google.com>
2710 * output.cc (Output_reloc): Add explicit instantiations.
2712 2009-01-14 Cary Coutant <ccoutant@google.com>
2714 * archive.cc (Archive::get_elf_object_for_member): Remove call
2715 to File_read::claim_for_plugin.
2716 * descriptors.cc (Descriptors::open): Remove reference to
2718 (Descriptors::claim_for_plugin): Remove.
2719 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2720 (Descriptors::is_claimed): Remove.
2721 (claim_descriptor_for_plugin): Remove.
2722 * fileread.cc (File_read::claim_for_plugin): Remove.
2723 * fileread.h (File_read::claim_for_plugin): Remove.
2724 (File_read::descriptor): Reopen descriptor if necessary.
2725 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2726 (Plugin_manager::all_symbols_read): Add task parameter. Change
2728 (Plugin_manager::get_input_file): New function.
2729 (Plugin_manager::release_input_file): New function.
2730 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2731 corresponding data member.
2732 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2733 and pass to base constructor. Change all callers.
2734 (get_input_file, release_input_file): New functions.
2735 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2736 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2737 (Plugin_manager::all_symbols_read): Add task parameter.
2738 (Plugin_manager::get_input_file): New function.
2739 (Plugin_manager::release_input_file): New function.
2740 (Plugin_manager::task_): New data member.
2741 (Pluginobj::Pluginobj): Add filesize parameter.
2742 (Pluginobj::filename): New function.
2743 (Pluginobj::descriptor): New function.
2744 (Pluginobj::filesize): New function.
2745 (Pluginobj::filesize_): New data member.
2746 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2747 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2748 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2750 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2751 with archive libraries.
2752 * testsuite/Makefile.in: Regenerate.
2753 * testsuite/plugin_test.c (struct sym_info): New type.
2754 (get_input_file, release_input_file): New static variables.
2755 (onload): Capture new transfer vector entries.
2756 (claim_file_hook): Stop reading at end of file according to filesize.
2757 Factor out parsing of readelf output into separate function.
2758 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2759 APIs and get the source file name from the symbol table. Convert
2760 source file name to corresponding object file name. Print info
2761 message when adding new input files.
2762 (parse_readelf_line): New function.
2763 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2764 * testsuite/plugin_test_2.sh: Likewise.
2765 * testsuite/plugin_test_3.sh: Likewise.
2766 * testsuite/plugin_test_4.sh: New test case.
2768 2009-01-07 Ian Lance Taylor <iant@google.com>
2770 * version.cc (version_string): Bump to 1.8.
2772 2008-12-23 Cary Coutant <ccoutant@google.com>
2774 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2775 * plugin.cc (Plugin_manager::finish): Rename as
2776 layout_deferred_objects. Move cleanup to separate function.
2777 (Plugin_manager::cleanup): New function.
2778 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2780 * plugin.h (Plugin_manager::finish): Rename as
2781 layout_deferred_objects.
2782 (Plugin_manager::cleanup): New function.
2783 (Plugin_manager::cleanup_done): New field.
2785 2008-12-23 Cary Coutant <ccoutant@google.com>
2787 * plugin.cc (is_visible_from_outside): New function.
2788 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2789 so we don't return "IR only" status for exported symbols or -r links.
2791 * testsuite/Makefile.am (plugin_test_3): New test case.
2792 * testsuite/Makefile.in: Regenerate.
2793 * testsuite/plugin_test_3.sh: New file.
2795 2008-12-22 Cary Coutant <ccoutant@google.com>
2797 * object.cc (Sized_relobj::layout_section): New function.
2798 (Sized_relobj::do_layout): Defer layout of input sections until after
2799 plugin has provided replacement files.
2800 (Sized_relobj::do_layout_deferred_sections): New function.
2801 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2802 (Relobj::layout_deferred_sections): New function.
2803 (Relobj::do_layout_deferred_sections): New function.
2804 (Sized_relobj::do_layout_deferred_sections): New function.
2805 (Sized_relobj::layout_section): New function.
2806 (Sized_relobj::Deferred_layout): New structure.
2807 (Sized_relobj::deferred_layout_): New field.
2808 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2809 Change all callers. Layout deferred sections.
2810 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2812 (Plugin_hook::run): Move code from do_plugin_hook inline.
2813 (Plugin_hook::do_plugin_hook): Remove.
2814 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2815 (Plugin_manager::finish): Renamed, was cleanup.
2816 (Plugin_manager::should_defer_layout): New function.
2817 (Plugin_manager::add_deferred_layout_object): New function.
2818 (Plugin_manager::Deferred_layout_list): New type.
2819 (Plugin_manager::deferred_layout_objects_): New field.
2820 (Plugin_hook::do_plugin_hook): Remove.
2822 2008-12-17 Ian Lance Taylor <iant@google.com>
2824 * options.h (class General_options): Add --no case for
2827 2008-12-16 Cary Coutant <ccoutant@google.com>
2829 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2831 (Plugin_manager::claim_file): Create plugin object even if
2832 plugin did not call the add_symbols callback.
2833 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2834 asking for more symbols than were added.
2835 * testsuite/Makefile.am (plugin_test_1): Add test case with
2837 (empty.syms): New target.
2838 * testsuite/Makefile.in: Regenerate.
2839 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2840 message. Don't call add_symbols if no globals.
2841 (all_symbols_read_hook): Don't provide replacement for empty
2844 2008-12-12 Ian Lance Taylor <iant@google.com>
2846 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2847 r_type == 0 for a local symbol with r_sym == 0.
2848 (scan_relocatable_relocs): Pass r_sym to
2849 local_non_section_strategy.
2850 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2853 * configure.ac: Update test for TLS descriptors: they are
2854 supported as of glibc 2.9.
2855 * configure: Rebuild.
2857 2008-12-11 Ian Lance Taylor <iant@google.com>
2860 * target-reloc.h (Default_scan_relocatable_relocs): For each
2861 function, map r_type == 0 to RELOC_DISCARD.
2863 2008-12-10 Cary Coutant <ccoutant@google.com>
2865 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2866 object to override a kept COMDAT group from a plugin object.
2868 2008-12-09 Ian Lance Taylor <iant@google.com>
2871 * yyscript.y (file_cmd): Handle INPUT.
2873 * testsuite/initpri1.c: Change all declarations to be full
2874 prototypes by adding void, to avoid compiler warnings.
2876 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
2878 * options.cc (General_options::parse_plugin_opt): New.
2879 (General_options::add_plugin): The argument now is just the filename.
2880 (General_options::add_plugin_option): New.
2881 * options.h (plugin_opt): New.
2882 (add_plugin): Change argument name.
2883 (add_plugin_option): New.
2884 * plugin.cc (Plugin::load): Don't parse the plugin option.
2885 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2886 (Plugin::add_option): New.
2887 (Plugin::args_): Change type.
2888 (Plugin::filename_): New.
2889 (Plugin_manager::add_plugin_option): New.
2890 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2891 * testsuite/Makefile.in: Regenerate.
2893 2008-12-05 Cary Coutant <ccoutant@google.com>
2895 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2896 Handle --strip-lto-sections option.
2897 * options.h (strip_lto_sections): New option.
2899 2008-12-01 Cary Coutant <ccoutant@google.com>
2901 * plugin.cc (ld_plugin_message): Change format parameter to const.
2902 Fix mismatch between new[] and delete.
2904 2008-11-14 Cary Coutant <ccoutant@google.com>
2906 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2909 2008-11-05 Craig Silverstein <csilvers@google.com>
2911 * options.cc (General_options::parse_dynamic_list): New function.
2912 * options.h (General_options): New flags dynamic_list,
2913 dynamic_list_data, dynamic_list_cpp_new, and
2914 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2915 (General_options::in_dynamic_list): New function.
2916 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2917 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2918 (Lex::can_continue_name): Likewise.
2920 (read_script_file): New parameter script_options.
2921 (read_dynamic_list): New function.
2922 (Script_options::define_dynamic_list): New function.
2923 (dynamic_list_keyword_parsecodes): New variable.
2924 (dynamic_list_keywords): New variable.
2925 * script.h (Script_options::define_dynamic_list): New function
2927 (read_dynamic_list): New function prototype.
2928 * symtab.cc (strprefix): New macro.
2929 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2930 dynamic_list_data, dynamic_list_cpp_new, and
2931 dynamic_list_cpp_typeinfo.
2932 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2933 (dynamic_list_expr): New rule.
2934 (dynamic_list_nodes): Likewise.
2935 (dynamic_list_node): Likewise.
2936 * testsuite/Makefile.am (dynamic_list): New test.
2937 * testsuite/Makefile.in: Regenerated.
2938 * testsuite/dynamic_list.t: New file.
2939 * testsuite/dynamic_list.sh: New file.
2941 2008-11-05 Craig Silverstein <csilvers@google.com>
2943 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2944 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2945 (t11_last): Likewise.
2946 * testsuite/ver_test_6.c (main): Likewise.
2948 2008-10-07 Cary Coutant <ccoutant@google.com>
2950 * options.c (General_options::finalize): Add check for -static and
2952 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2955 2008-10-02 Cary Coutant <ccoutant@google.com>
2957 * plugin.cc (make_sized_plugin_object): Fix conditional
2958 compilation to work when not all targets are enabled.
2960 2008-09-29 Cary Coutant <ccoutant@google.com>
2962 * archive.cc (Archive::get_file_and_offset): Use filename instead
2963 of name to get library path.
2964 (Archive::include_member): Unlock external member of a thin archive.
2966 * testsuite/Makefile.am (TEST_AR): New variable.
2967 (thin_archive_test_1): New test.
2968 (thin_archive_test_2): New test.
2969 * testsuite/Makefile.in: Regenerate.
2970 * testsuite/thin_archive_main.cc: New file.
2971 * testsuite/thin_archive_test_1.cc: New file.
2972 * testsuite/thin_archive_test_2.cc: New file.
2973 * testsuite/thin_archive_test_3.cc: New file.
2974 * testsuite/thin_archive_test_4.cc: New file.
2976 2008-09-29 Cary Coutant <ccoutant@google.com>
2978 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2979 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2981 (Sized_relobj::do_finalize_local_symbols): Likewise.
2982 (Sized_relobj::map_to_kept_section): Likewise.
2983 * object.h (Sized_relobj::invalid_address): New constant.
2984 (Sized_relobj::do_output_section_offset): Check for invalid_address
2986 * output.cc (Output_reloc::local_section_offset): Use constant
2987 invalid_address instead of -1U.
2988 (Output_reloc::get_address): Likewise.
2989 (Output_section::output_address): Change -1U to -1ULL.
2990 * output.h (Output_reloc::invalid_address): New constant.
2991 * reloc.cc (Sized_relobj::write_sections): Use constant
2992 invalid_address instead of -1U.
2993 (Sized_relobj::relocate_sections): Likewise.
2994 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2995 values for merge sections.
2996 * target-reloc.h (relocate_for_relocatable): Use constant
2997 invalid_address instead of -1U.
2999 2008-09-19 Cary Coutant <ccoutant@google.com>
3001 Add plugin functionality for link-time optimization (LTO).
3002 * configure.ac (plugins): Add --enable-plugins option.
3003 * configure: Regenerate.
3004 * config.in: Regenerate.
3005 * Makefile.am (LIBDL): New variable.
3006 (CCFILES): Add plugin.cc.
3007 (HFILES): Add plugin.h.
3008 (ldadd_var): Add LIBDL.
3009 * Makefile.in: Regenerate.
3011 * archive.cc: Include "plugin.h".
3012 (Archive::setup): Don't preread archive symbols when using a plugin.
3013 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
3014 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3016 (Archive::include_member): Add symbols from plugin objects.
3017 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3018 * descriptors.cc (Descriptors::open): Check for file descriptors
3019 abandoned by plugins.
3020 (Descriptors::claim_for_plugin): New function.
3021 * descriptors.h (Descriptors::claim_for_plugin): New function.
3022 (Open_descriptor::is_claimed): New field.
3023 (claim_descriptor_for_plugin): New function.
3024 * fileread.cc (File_read::claim_for_plugin): New function.
3025 * fileread.h (File_read::claim_for_plugin): New function.
3026 (File_read::descriptor): New function.
3027 * gold.cc: Include "plugin.h".
3028 (queue_initial_tasks): Add task to call plugin hooks for generating
3030 * main.cc: Include "plugin.h".
3031 (main): Load plugin libraries.
3032 * object.h (Pluginobj): Declare.
3033 (Object::pluginobj): New function.
3034 (Object::do_pluginobj): New function.
3035 (Object::set_target): New function.
3036 * options.cc: Include "plugin.h".
3037 (General_options::parse_plugin): New function.
3038 (General_options::General_options): Initialize plugins_ field.
3039 (General_options::add_plugin): New function.
3040 * options.h (Plugin_manager): Declare.
3041 (General_options): Add --plugin option.
3042 (General_options::has_plugins): New function.
3043 (General_options::plugins): New function.
3044 (General_options::add_plugin): New function.
3045 (General_options::plugins_): New field.
3046 * plugin.cc: New file.
3047 * plugin.h: New file.
3048 * readsyms.cc: Include "plugin.h".
3049 (Read_symbols::do_read_symbols): Check for archive before checking
3050 for ELF file. Call plugin hooks to claim files.
3051 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3052 from a real object file; force override when processing replacement
3054 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3055 (Symbol::init_base_object): Likewise.
3056 (Symbol::init_base_output_data): Likewise.
3057 (Symbol::init_base_output_segment): Likewise.
3058 (Symbol::init_base_constant): Likewise.
3059 (Symbol::init_base_undefined): Likewise.
3060 (Symbol::output_section): Assert that object is not a plugin.
3061 (Symbol_table::add_from_pluginobj): New function.
3062 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3064 (Symbol_table::sized_write_globals): Likewise.
3065 (Symbol_table::add_from_pluginobj): Instantiate template.
3066 * symtab.h (Sized_pluginobj): Declare.
3067 (Symbol::in_real_elf): New function.
3068 (Symbol::set_in_real_elf): New function.
3069 (Symbol::in_real_elf_): New field.
3070 (Symbol_table::add_from_pluginobj): New function.
3072 * testsuite/Makefile.am (AM_CFLAGS): New variable.
3073 (LIBDL): New variable.
3075 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3076 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3077 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3078 (MOSTLYCLEANFILES): Likewise.
3079 * testsuite/Makefile.in: Regenerate.
3080 * testsuite/plugin_test.c: New file.
3081 * testsuite/plugin_test_1.sh: New file.
3082 * testsuite/plugin_test_2.sh: New file.
3084 2008-09-16 Ian Lance Taylor <iant@google.com>
3086 * target-reloc.h (relocate_section): Check whether a symbol is
3087 defined by the ABI before reporting an undefined symbol error.
3088 * target.h (Target::is_defined_by_abi): Make parameter const.
3089 (Target::do_is_defined_by_abi): Likewise.
3090 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3091 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3092 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3093 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3094 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3095 * testsuite/Makefile.in: Rebuild.
3097 * fileread.cc (make_view): Add casts to avoid warning.
3099 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
3101 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3102 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3104 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
3106 * options.h (General_options::output_is_executable): New.
3107 (General_options::output_is_pie): New.
3108 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3109 for shared libraries.
3110 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3112 2008-09-11 Chris Demetriou <cgd@google.com>
3114 * options.h (origin): New -z option.
3115 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3116 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3119 2008-09-05 Cary Coutant <ccoutant@google.com>
3121 * fileread.cc (File_read::make_view): Add check for attempt to map
3124 2008-09-05 Cary Coutant <ccoutant@google.com>
3126 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3127 explicit instantiations.
3129 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
3132 * options.cc (General_options::finalize): Allow undefined symbols
3133 in shlibs if linking -shared.
3136 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3137 symbols as not needing a dynsym entry.
3139 2008-08-20 Craig Silverstein <csilvers@google.com>
3141 * fileread.cc (File_read::open): Do not lock the file unless it
3142 was successfully opened.
3144 2008-08-14 Cary Coutant <ccoutant@google.com>
3146 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3147 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3148 * testsuite/tls_test.cc (struct int128): 128-bit struct
3149 for testing TLS relocs with non-zero addend.
3150 (v12): New TLS variable.
3152 (t_last): Add check for v12.
3153 * testsuite/tls_test.h (t12): New function.
3154 * testsuite/tls_test_main.cc (thread_routine): Call new test.
3156 2008-08-13 Ian Lance Taylor <iant@google.com>
3158 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3159 set tls_segment_ or relro_segment_.
3160 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3162 * output.h (Output_section::clear_is_relro): New function.
3163 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3164 sections specially even when output_data_ is empty.
3165 (Output_segment::maximum_alignment): When first section is relro,
3166 only force alignment for PT_LOAD segments.
3167 * script.cc (script_data_segment_align): New function.
3168 (script_data_segment_relro_end): New function.
3169 * script-c.h (script_data_segment_align): Declare.
3170 (script_data_segment_relro_end): Declare.
3171 * script-sections.h (class Script_sections): Declare
3172 data_segment_align and data_segment_relro_end. Add fields
3173 segment_align_index_ and saw_relro_end_.
3174 * script-sections.cc (class Sections_element): Add set_is_relro
3175 virtual function. Add new bool* parameter to place_orphan_here.
3176 Add get_output_section virtual function.
3177 (class Output_section_definition): Add set_is_relro. Add new
3178 bool* parameter to place_orphan_here. Add get_output_section.
3179 Add is_relro_ field.
3180 (Output_section_definition::Output_section_definition): Initialize
3181 evaluated_address_, evaluated_load_address, evaluated_addralign_,
3182 and is_relro_ fields.
3183 (Output_section_definition::place_orphan_here): Add is_relro
3185 (Output_section_definition::set_section_addresses): Set relro for
3187 (Output_section_definition::alternate_constraint): Likewise.
3188 (class Orphan_output_section): Add new bool* parameter to
3189 place_orphan_here. Add get_output_section.
3190 (Orphan_output_section::place_orphan_here): Add is_relro
3192 (Script_sections::Script_sections): Initialize
3193 data_segment_align_index_ and saw_relro_end_.
3194 (Script_sections::data_segment_align): New function.
3195 (Script_sections::data_segment_relro_end): New function.
3196 (Script_sections::place_orphan): Set or clear is_relro.
3197 (Script_sections::set_section_addresses): Force alignment of first
3199 * yyscript.y (exp): Call script_data_segment_align and
3200 script_data_segment_relro_end.
3201 * testsuite/relro_script_test.t: New file.
3202 * testsuite/relro_test.cc (using_script): Declare.
3203 (t1, t2): Test using_script.
3204 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3205 (relro_script_test_SOURCES): Define.
3206 (relro_script_test_DEPENDENCIES): Define.
3207 (relro_script_test_LDFLAGS): Define.
3208 (relro_script_test_LDADD): Define.
3209 (relro_script_test.so): New target.
3210 * testsuite/Makefile.in: Rebuild.
3212 2008-08-06 Cary Coutant <ccoutant@google.com>
3214 * archive.cc (Archive::total_archives, Archive::total_members)
3215 (Archive::total_members_loaded): New variables.
3216 (Archive::setup): Add parameter. Add option to preread
3218 (Archive::read_armap): Add counter.
3219 (Archive::get_file_and_offset): New function.
3220 (Archive::get_elf_object_for_member): New function.
3221 (Archive::read_all_symbols): New function.
3222 (Archive::read_symbols): New function.
3223 (Archive::add_symbols): Add counters.
3224 (Archive::include_all_members): Use armap to find members if it's
3226 (Archive::include_member): Skip reading symbols if already read.
3227 Factored code into Archive::get_file_and_offset and
3228 Archive::get_elf_object_for_member. Changed call to
3229 Mapfile::report_include_archive_member.
3230 (Archive::print_stats): New function.
3231 * archive.h: Declare Object and Read_symbols_data classes.
3232 (Archive::Archive): Add initializers for new members.
3233 (Archive::setup): Add parameter.
3234 (Archive::print_stats): New function.
3235 (Archive::total_archives, Archive::total_members)
3236 (Archive::total_members_loaded): New variables.
3237 (Archive::get_file_and_offset): New function.
3238 (Archive::get_elf_object_for_member): New function.
3239 (Archive::read_all_symbols): New function.
3240 (Archive::read_symbols): New function.
3241 (Archive::Archive_member): New class.
3242 (Archive::members_): New member.
3243 (Archive::num_members_): New member.
3244 * main.cc: Include archive.h.
3245 (main): Call Archive::print_stats.
3246 * mapfile.cc (Mapfile::report_include_archive_member): Delete
3247 archive parameter; member_name is now the fully-decorated name.
3248 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3249 * options.h: (General_options): Add --preread-archive-symbols option.
3250 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3253 2008-08-04 Ian Lance Taylor <iant@google.com>
3255 * symtab.h (Symbol::use_plt_offset): New function.
3256 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3257 * powerpc.cc (Relocate::relocate): Likewise.
3258 * sparc.cc (Relocate::relocate): Likewise.
3259 * x86_64.cc (Relocate::relocate): Likewise.
3260 * testsuite/weak_plt.sh: New test.
3261 * testsuite/weak_plt_main.cc: New test.
3262 * testsuite/weak_plt_shared.cc: New test.
3263 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3264 (check_PROGRAMS): Add weak_plt.
3265 (check_DATA): Add weak_plt_shared.so.
3266 (weak_plt_main_pic.o, weak_plt): New targets.
3267 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3268 * testsuite/Makefile.in: Rebuild.
3270 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3272 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3273 * testsuite/Makefile.in: Rebuild.
3275 2008-08-04 Alan Modra <amodra@bigpond.net.au>
3277 * Makefile.am (POTFILES.in): Set LC_ALL=C.
3278 * Makefile.in: Regenerate.
3279 * po/POTFILES.in: Regenerate.
3281 2008-07-29 Ian Lance Taylor <iant@google.com>
3283 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3284 symbols before other symbols.
3285 * testsuite/script_test_2.cc (test_addr): Declare.
3286 (test_addr_alias): Declare.
3287 (main): Check that test_addr and test_addr_alias have the right
3289 * testsuite/script_test_2.t: Define test_addr_alias and
3292 2008-07-24 Ian Lance Taylor <iant@google.com>
3295 * descriptors.cc: New file.
3296 * descriptors.h: New file.
3297 * gold-threads.h (class Hold_optional_lock): New class.
3298 * fileread.cc: Include "descriptors.h".
3299 (File_read::~File_read): Release descriptor rather than closing
3301 (File_read::open) [file]: Call open_descriptor rather than open.
3302 Set is_descriptor_opened_.
3303 (File_read::open) [memory]: Assert that descriptor is not open.
3304 (File_read::reopen_descriptor): New function.
3305 (File_read::release): Release descriptor.
3306 (File_read::do_read): Make non-const. Reopen descriptor.
3307 (File_read::read): Make non-const.
3308 (File_read::make_view): Reopen descriptor.
3309 (File_read::do_readv): Likewise.
3310 * fileread.h (class File_read): Add is_descriptor_opened_ field.
3311 Update declarations.
3312 * layout.cc: Include "descriptors.h".
3313 (Layout::create_build_id): Use open_descriptor rather than open.
3314 * output.cc: Include "descriptors.h".
3315 (Output_file::open): Use open_descriptor rather than open.
3316 * archive.cc (Archive::const_iterator): Change Archive to be
3318 (Archive::begin, Archive::end): Make non-const.
3319 (Archive::count_members): Likewise.
3320 * archive.h (class Archive): Update declarations.
3321 * object.h (Object::read): Make non-const.
3322 * Makefile.am (CCFILES): Add descriptors.cc.
3323 (HFILES): Add descriptors.h.
3324 * Makefile.in: Rebuild.
3327 * gold.h: Always include <clocale>. Add Solaris workarounds
3328 following code in binutils/sysdep.h.
3331 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3332 this->eh_frame_hdr_ is NULL before using it.
3334 * dynobj.cc (Versions::Versions): Update comment.
3336 * dynobj.cc (Versions::Versions): If there is an soname, use it as
3337 the base version name.
3339 * stringpool.cc (Stringpool_template::add_with_length): Set key to
3340 array size plus one.
3341 (Stringpool_template::set_string_offsets): Subtract one from key
3342 before using it as an array index.
3343 (Stringpool_template::get_offset_with_length): Likewise.
3344 (Stringpool_template::write_to_buffer): Likewise.
3345 * stringpool.h (Stringpool_template::get_offset_from_key):
3348 2008-07-23 Ian Lance Taylor <iant@google.com>
3351 * object.h (Merged_symbol_value::value): Do our best to handle a
3355 * script.cc (Version_script_info::get_versions): Don't add empty
3356 version tag to return value.
3357 (Version_script_info::get_symbol_version_helper): Change return
3358 type to bool. Add pversion parameter. Change all callers.
3359 (script_register_vers_node): Don't require a non-NULL tag.
3360 * script.h (class Version_script_info): Update declarations.
3361 (Version_script_info::get_symbol_version): Change return type to
3362 bool. Add version parameter. Change all callers.
3363 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3364 handling. Handle an empty version from a version script.
3365 (Symbol_table::define_special_symbol): Likewise.
3366 * testsuite/ver_test_10.script: New file.
3367 * testsuite/ver_test_10.sh: New file.
3368 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3369 (check_DATA): Add ver_test_10.syms.
3370 (ver_test_10.syms, ver_test_10.so): New target.
3371 * testsuite/Makefile.in: Rebuild.
3373 2008-07-23 Simon Baldwin <simonb@google.com>
3375 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3376 to zero for undefined symbols from dynamic libraries.
3378 2008-07-23 Ian Lance Taylor <iant@google.com>
3380 * symtab.cc (Symbol_table::resolve): Remove version parameter.
3382 * symtab.h (class Symbol_table): Update declaration.
3383 * testsuite/ver_test_9.cc: New file.
3384 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3385 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3386 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3387 (ver_test_9.so, ver_test_9.o): New targets.
3388 * testsuite/Makefile.in: Rebuild.
3390 2008-07-22 Ian Lance Taylor <iant@google.com>
3392 * options.h (class General_options): Define --check-sections.
3393 * layout.cc (Layout::set_segment_offsets): Handle
3396 * options.h (class General_options): Define -n/--nmagic and
3398 * options.cc (General_options::finalize): For -n/--nmagic or
3399 -N/--omagic, set -static.
3400 * layout.cc (Layout::attach_allocated_section_to_segment): If
3401 -N/--omagic, don't put read-only and read-write sections in
3403 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3404 finding a read-only segment.
3405 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3406 don't set the minimum segment alignment to the common page size,
3407 and don't set the file offset to the address modulo the page size.
3408 * script-sections.cc (Script_sections::create_segments): If
3409 -n/--omagic, don't put read-only and read-write sections in
3412 * cref.cc: New file.
3414 * options.h (class General_options): Add --print-symbol-counts.
3415 * main.cc (main): Issue defined symbol report if requested.
3416 * archive.cc (Archive::interpret_header): Make into a const member
3418 (Archive::add_symbols): Call Input_objects::archive_start and
3420 (Archive::const_iterator): Define new class.
3421 (Archive::begin, Archive::end): New functions.
3422 (Archive::include_all_members): Rewrite to use iterator.
3423 (Archive::count_members): New function.
3424 * archive.h (class Archive): Update declarations.
3425 (Archive::filename): New function.
3426 * object.cc: Include "cref.h".
3427 (Sized_relobj::Sized_relobj): Initialize defined_count_.
3428 (Sized_relobj::do_get_global_symbol_counts): New function.
3429 (Input_objects::add_object): Add object to cross-referencer.
3430 (Input_objects::archive_start): New function.
3431 (Input_objects::archive_stop): New function.
3432 (Input_objects::print_symbol_counts): New function.
3433 * object.h: Declare Cref and Archive.
3434 (Object::get_global_symbol_counts): New function.
3435 (Object::do_get_global_symbol_counts): New pure virtual function.
3436 (class Sized_relobj): Add defined_count_ field. Update
3438 (class Input_objects): Add cref_ field. Update constructor.
3439 Update declarations.
3440 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3442 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3444 (Sized_dynobj::do_get_global_symbol_counts): New function.
3445 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3446 defined_count_. Update declarations. Define Symbols typedef.
3447 * symtab.cc (Symbol_table::add_from_relobj): Add defined
3448 parameter. Change all callers.
3449 (Symbol_table::add_from_dynobj): Add sympointers and defined
3450 parameters. Change all callers.
3451 * symtab.h (class Symbol_table): Update declarations.
3452 * Makefile.am (CCFILES): Add cref.cc.
3453 (HFILES): Add cref.h.
3454 * Makefile.in: Rebuild.
3456 2008-07-22 Simon Baldwin <simonb@google.com>
3458 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3459 to zero when writing undefined symbols.
3461 2008-07-22 Ian Lance Taylor <iant@google.com>
3463 * output.cc (Output_section::add_input_section): Don't try to
3464 merge empty merge sections.
3466 2008-07-21 Craig Silverstein <csilvers@google.com>
3468 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3469 Include symbol version in error message.
3471 2008-07-20 Chris Demetriou <cgd@google.com>
3473 * configure.ac (gold_cv_c_random_seed): New configured variable.
3474 (RANDOM_SEED_CFLAGS): New substituted variable.
3475 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3476 * configure: Rebuild.
3477 * Makefile.in: Likewise.
3478 * testsuite/Makefile.in: Likewise.
3480 2008-07-18 Ian Lance Taylor <iant@google.com>
3482 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3483 where we see NAME/NULL and NAME/VERSION as separate symbols.
3484 * testsuite/ver_test_main.cc (main): Call t4.
3485 (t4, t4_2a): Define.
3486 * testsuite/ver_test_2.cc (t4_2): Define.
3487 * testsuite/ver_test_2.script: Put t4_2a in VER2.
3488 * testsuite/ver_test_4.cc (t4_2a): Define.
3489 * testsuite/ver_test_4.script: Put t4_2a in VER2.
3490 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3492 2008-07-17 Ian Lance Taylor <iant@google.com>
3494 * dynobj.cc (Versions::add_def): If we give an error about a
3495 missing version, go ahead and create the version anyhow.
3497 2008-07-10 Ian Lance Taylor <iant@google.com>
3499 Handle output sections with more than 0x7fffffff bytes.
3500 * object.h (class Relobj): Change map_to_output_ to
3501 output_sections_, and just keep a section pointer. Change all
3502 uses. Move comdat group support to Sized_relobj.
3503 (Relobj::is_section_specially_mapped): Remove.
3504 (Relobj::output_section): Remove poff parameter. Change all
3506 (Relobj::output_section_offset): New function.
3507 (Relobj::set_section_offset): Rewrite.
3508 (Relobj::map_to_output): Remove.
3509 (Relobj::output_sections): New function.
3510 (Relobj::do_output_section_offset): New pure virtual function.
3511 (Relobj::do_set_section_offset): Likewise.
3512 (class Sized_relobj): Add section_offsets_ field. Add comdat
3513 group support from Relobj. Update declarations.
3514 (Sized_relobj::get_output_section_offset): New function.
3515 (Sized_relobj::do_output_section_offset): New function.
3516 (Sized_relobj::do_set_section_offset): New function.
3517 * object.cc (Relobj::output_section_address): Remove.
3518 (Sized_relobj::Sized_relobj): Initialize new fields.
3519 (Sized_relobj::include_section_group): Cast find_kept_object to
3521 (Sized_relobj::include_linkonce_section): Likewise.
3522 (Sized_relobj::do_layout): Use separate arrays for output section
3524 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3526 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3527 output_sections and section_offsets.
3528 (Sized_relobj::write_local_symbols): Likewise.
3529 (map_to_kept_section): Compute output address directly.
3530 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3531 output_sections and section_offsets.
3532 (Sized_relobj::write_sections): Likewise.
3533 (Sized_relobj::relocate_sections): Likewise.
3534 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3535 * output.h (class Output_reloc): Update declarations. Change
3536 u2_.relobj to Sized_relobj*.
3537 (class Output_data_reloc): Change add functions to use
3539 * output.cc (Output_reloc::Output_reloc): Change relobj to
3541 (Output_reloc::local_section_offset): Change return type to
3542 Elf_Addr. Use get_output_section_offset.
3543 (Output_reloc::get_address): Likewise.
3544 (Output_section::is_input_address_mapped): Don't call
3545 is_section_specially_mapped.
3546 (Output_section::output_offset): Likewise.
3547 (Output_section::output_address): Likewise.
3548 (Output_section::starting_output_address): Likewise.
3549 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3550 parameter to Sized_relobj*.
3551 (Copy_relocs::need_copy_reloc): Likewise.
3552 (Copy_relocs::save): Likewise.
3553 * copy-relocs.h (class Copy_relocs): Update declarations.
3554 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3555 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3556 * target-reloc.h (relocate_for_relocatable): Change
3557 offset_in_output_section type to Elf_Addr. Change code that uses
3559 * layout.cc (Layout::layout): Always set *off.
3560 * mapfile.cc (Mapfile::print_input_section): Use
3561 output_section_offset.
3562 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3564 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3565 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3566 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3568 2008-07-03 Ian Lance Taylor <iant@google.com>
3570 * layout.cc (Layout::include_section): Do not discard unrecognized
3571 SHT_STRTAB sections.
3573 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3575 * script.cc (Lex::can_continue_name): Make '?' allowable in
3576 version-script names.
3577 * testsuite/version_script.map: Change glob pattern to use '?'
3579 2008-06-30 Manish Singh <yosh@gimp.org>
3582 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3585 2008-06-30 Ian Lance Taylor <iant@google.com>
3589 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3590 versions]: Don't try to read the value in the contents, since we
3591 don't use it. Use the template endianness when writing.
3593 2008-06-25 Cary Coutant <ccoutant@google.com>
3595 * fileread.cc (File_read::make_view): Assert on zero-length view.
3596 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3597 symbol table when there are no symbols to read.
3599 2008-06-23 Craig Silverstein <csilvers@google.com>
3601 * version.cc (version_string): Bump to 1.7
3603 2008-06-18 Craig Silverstein <csilvers@google.com>
3605 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3606 constant 0xFFFF to type Valtype.
3607 (Powerpc_relocate_functions::rel16_ha): Likewise.
3609 2008-06-17 Ian Lance Taylor <iant@google.com>
3611 * output.h (Output_section::Input_section): Initialize p2align_ to
3612 zero for Output_section_data constructors.
3613 (Output_section::Input_section::addralign): If not an input
3614 section, return the alignment of the Output_section_data.
3615 * testsuite/copy_test.cc: New file.
3616 * testsuite/copy_test_1.cc: New file.
3617 * testsuite/copy_test_2.cc: New file.
3618 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3619 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3620 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3621 (copy_test_1_pic.o, copy_test_1.so): New targets.
3622 (copy_test_2_pic.o, copy_test_2.so): New targets.
3623 * testsuite/Makefile.in: Rebuild.
3625 * script-sections.cc (Script_sections::place_orphan): Initialize
3626 local variable exact.
3628 2008-06-13 David Edelsohn <edelsohn@gnu.org>
3630 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3632 2008-06-12 David Edelsohn <edelsohn@gnu.org>
3633 David S. Miller <davem@davemloft.net>
3635 * powerpc.cc: New file.
3636 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3637 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3638 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3639 * Makefile.in: Rebuild.
3641 2008-06-09 Ian Lance Taylor <iant@google.com>
3643 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3645 (throwing, orig_terminate): New static variables.
3646 (terminate_handler): New static function.
3647 (t2): Set terminate handler.
3649 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3652 * binary.cc (Binary_to_elf::sized_convert): Fix .data
3655 2008-05-30 Cary Coutant <ccoutant@google.com>
3657 * archive.cc (Archive::include_all_members) Correct to step
3658 over symbol table and extended name table in thin archives.
3660 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3663 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3666 2008-05-28 Caleb Howe <cshowe@google.com>
3668 * reduced_debug_output.cc: New file.
3669 * reduced_debug_output.h: New file.
3670 * options.h (class General_options): Add --strip-debug-non-line.
3671 * options.cc (General_options::finalize): Add strip_debug_non_line
3672 to the strip heirarchy.
3673 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3675 * layout.cc: Include "reduced_debug_output.h".
3676 (Layout::Layout): Initialize new fields.
3677 (line_only_debug_sections): New static array.
3678 (is_lines_only_debug_sections): New static inline function.
3679 (Layout::include_section): Handle --strip-debug-non-line.
3680 (Layout::make_output_section): If --strip-debug-non-line, build
3681 new output sections for .debug_abbrev and .debug_info.
3682 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3683 gold. Warn about possible overflow.
3684 (read_signed_LEB_128): Likewise.
3685 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3686 (read_signed_LEB_128): Declare.
3687 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3688 (HFILES): Add reduced_debug_output.h.
3689 * Makefile.in: Rebuild.
3691 2008-05-21 Ian Lance Taylor <iant@google.com>
3693 * mapfile.cc: New file.
3694 * mapfile.h: New file.
3695 * options.h (class General_options): Add -M/--print-map and -Map.
3696 * options.cc (General_options::finalize): Make -M equivalent to
3698 * main.cc: Include <cstdio> and "mapfile.h".
3699 (main): Open mapfile if requested.
3700 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3701 constructor. Change caller.
3702 (queue_initial_tasks): Add mapfile parameter. Change caller.
3703 (queue_middle_tasks): Likewise.
3704 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3706 * archive.cc: Include "mapfile.h".
3707 (Archive::add_symbols): Add mapfile parameter. Change all
3708 callers. Pass mapfile, symbol, and reason to include_member.
3709 (Archive::include_all_members): Add mapfile parameter. Change all
3711 (Archive::include_member): Add mapfile, sym, and why parameters.
3712 Change all callers. Report inclusion to map file.
3713 * archive.h: Include "fileread.h".
3714 (class Archive): Update declarations.
3715 (Archive::file): New const method.
3716 (class Add_archive_symbols): Add mapfile_ field. Update
3717 constructor. Change all callers.
3718 * readsyms.h (class Read_symbols): Likewise.
3719 (class Finish_group): Likewise.
3720 (class Read_script): Likewise.
3721 * common.cc: Include "mapfile.h".
3722 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3724 (Symbol_table::do_allocate_commons): Likewise.
3725 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3726 symbol allocation to mapfile.
3727 * common.h (class Allocate_commons_task): Add mapfile_ field.
3728 Update constructor. Change all callers.
3729 * symtab.h (class Symbol_table): Update declarations.
3730 * layout.cc: Include "mapfile.h".
3731 (Layout_task_runner::run): Print information to mapfile.
3732 (Layout::create_gold_note): Change Output_data_fixed_space to
3733 Output_data_zero_fill.
3734 (Layout::create_build_id): Likewise.
3735 (Layout::print_to_mapfile): New function.
3736 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3737 constructor. Change caller.
3738 (class Layout): Declare print_to_mapfile.
3739 * output.cc (Output_section::Input_section::print_to_mapfile): New
3741 (Output_section::add_input_section): If producing a map, always
3742 add to input_sections_ list.
3743 (Output_section::do_print_to_mapfile): New function.
3744 (Output_segment::print_sections_to_mapfile): New function.
3745 (Output_segment::print_section_list_to_mapfile): New function.
3746 * output.h: Include "mapfile.h".
3747 (Output_data::print_to_mapfile): New function.
3748 (Output_data::do_print_to_mapfile): New virtual function.
3749 (Output_segment_headers::do_print_to_mapfile): New function.
3750 (Output_file_header::do_print_to_mapfile): New function.
3751 (Output_data_const::do_print_to_mapfile): New function.
3752 (class Output_data_const_buffer): Add map_name_ field. Update
3753 constructor. Change all callers. Add do_print_to_mapfile
3755 (class Output_data_fixed_space): Likewise.
3756 (class Output_data_space): Likewise.
3757 (class Output_data_zero_fill): New class.
3758 (Output_data_strtab::do_print_to_mapfile): New function.
3759 (Output_data_reloc_base::do_print_to_mapfile): New function.
3760 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3761 (Output_data_group::do_print_to_mapfile): New function.
3762 (Output_data_got::do_print_to_mapfile): New function.
3763 (Output_data_dynamic::do_print_to_mapfile): New function.
3764 (Output_symtab_xindex::do_print_to_mapfile): New function.
3765 (class Output_section): Declare do_print_to_mapflie. Declare
3766 print_to_mapfile in Input_section.
3767 (class Output_segment): Declare new functions.
3768 * object.h (Sized_relobj::symbol_count): New function.
3769 * script-sections.cc
3770 (Output_section_element_dot_assignment::set_section_addresses):
3771 Change Output_data_fixed_space to Output_data_zero_fill.
3772 (Output_data_expression::do_print_to_mapfile): New function.
3773 * script.cc (read_input_script): Add mapfile parameter. Change
3775 * script.h (read_input_script): Update declaration.
3776 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3777 (Eh_frame::do_print_to_mapfile): New function.
3778 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3779 (Output_merge_string::do_print_to_mapfile): New function.
3780 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3782 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3784 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3786 * Makefile.am (CCFILES): Add mapfile.cc.
3787 (HFILES): Add mapfile.h.
3788 * Makefile.in: Rebuild.
3790 2008-05-19 Ian Lance Taylor <iant@google.com>
3792 * options.h (class General_options): Add -z relro.
3793 * layout.cc (Layout::Layout): Initialize relro_segment_.
3794 (Layout::add_output_section_data): Return the output section.
3795 (Layout::make_output_section): Rcognize relro sections and mark
3797 (Layout::attach_allocated_section_to_segment): Put relro sections
3798 in a PT_GNU_RELRO segment.
3799 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3801 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3803 (Layout::linkonce_mapping): Map d.rel.ro.local to
3805 (Layout::output_section_name): Us .data.rel.ro.local for any
3806 section which begins with that.
3807 * layout.h (class Layout): Update add_output_section_data
3808 declaration. Add relro_segment_ field.
3809 * output.cc (Output_section::Output_section): Initialize is_relro_
3810 and is_relro_local_ fields.
3811 (Output_segment::add_output_section): Group relro sections.
3812 (Output_segment::is_first_section_relro): New function.
3813 (Output_segment::maximum_alignment): If there is a relro section,
3814 align the segment to the common page size.
3815 (Output_segment::set_section_addresses): Track whether we are
3816 looking at relro sections. If the last section is a relro
3817 section, align to the common page size.
3818 (Output_segment::set_section_list_addresses): Add in_relro
3819 parameter. Change all callers. Align to the page size when
3820 moving from relro to non-relro section.
3821 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3823 * output.h (class Output_section): Add is_relro_ and
3824 is_relro_local_ fields.
3825 (Output_section::is_relro): New function.
3826 (Output_section::set_is_relro): New function.
3827 (Output_section::is_relro_local): New function.
3828 (Output_section::set_is_relro_local): New function.
3829 (class Output_segment): Update declarations.
3830 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3831 * sparc.cc (Target_sparc::got_section): Likewise.
3832 * x86_64.cc (Target_x86_64::got_section): Likewise.
3833 * testsuite/relro_test_main.cc: New file.
3834 * testsuite/relro_test.cc: New file.
3835 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3836 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3837 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3838 (relro_test.so, relro_test_pic.o): New targets.
3839 * testsuite/Makefile.in: Rebuild.
3841 2008-05-16 Ian Lance Taylor <iant@google.com>
3843 * output.cc (Output_segment::add_output_section): Remove front
3845 * output.h (class Output_segment): Remove
3846 add_initial_output_section and overloaded add_output_section.
3847 Update declaration of remaining add_output_section.
3848 * layout.cc (Layout::create_interp): Call add_output_section
3849 rather than add_initial_output_section.
3850 (Layout::finish_dynamic_section): Likewise.
3852 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3853 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3854 know the dynamic type.
3855 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3856 field. Initialize it in constructor.
3857 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3858 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3859 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3862 * output.cc (Output_reloc::get_address): Change return type to
3864 * output.h (class Output_reloc): Update get_address declaration.
3865 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3866 for section addresses.
3868 2008-05-09 Ian Lance Taylor <iant@google.com>
3871 * gold.cc (gold_nomem): Use return value of write.
3873 2008-05-08 Ian Lance Taylor <iant@google.com>
3875 * symtab.c (Symbol::init_base_output_data): Add version
3876 parameter. Change all callers.
3877 (Symbol::init_base_output_segment): Likewise.
3878 (Symbol::init_base_constant): Likewise.
3879 (Symbol::init_base_undefined): Likewise.
3880 (Sized_symbol::init_output_data): Likewise.
3881 (Sized_symbol::init_output_segment): Likewise.
3882 (Sized_symbol::init_constant): Likewise.
3883 (Sized_symbol::init_undefined): Likewise.
3884 (Symbol_table::do_define_in_output_data): If the new symbol has a
3885 version, mark it as the default.
3886 (Symbol_table::do_define_in_output_segment): Likewise.
3887 (Symbol_table::do_define_as_constant): Likewise.
3888 * symtab.h (class Symbol): Update declarations.
3889 (class Sized_symbol): Likewise.
3890 * resolve.cc (Symbol::override_version): New function.
3891 (Symbol::override_base): Call override_version.
3892 (Symbol::override_base_with_special): Likewise.
3893 * testsuite/ver_script_8.script: New file.
3894 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3895 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3896 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3897 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3899 2008-05-06 Ian Lance Taylor <iant@google.com>
3902 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3904 (class General_options): Remove existing --undefined, and add
3905 --no-undefined instead. Add new --undefined as synonym for -u.
3906 * archive.cc (Archive::add_symbols): Check whether symbol was
3908 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3909 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3910 all uses. Add IS_UNDEFINED. Update declarations to split
3911 different versions of init_base. Declare init_base_undefined.
3912 (Symbol::is_defined): Handle IS_UNDEFINED.
3913 (Symbol::is_undefined): Likewise.
3914 (Symbol::is_weak_undefined): Call is_undefined.
3915 (Symbol::is_absolute): Handle IS_CONSTANT.
3916 (class Sized_symbol): Update declarations to split different
3917 versions of init. Declare init_undefined.
3918 (class Symbol_table): Declare new functions.
3919 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3921 (Symbol::init_base_output_data): Likewise.
3922 (Symbol::init_base_output_segment): Likewise.
3923 (Symbol::init_base_constant): Likewise.
3924 (Symbol::init_base_undefined): New function.
3925 (Sized_symbol::init_object): Rename from init. Change all
3927 (Sized_symbol::init_output_data): Likewise.
3928 (Sized_symbol::init_output_segment): Likewise.
3929 (Sized_symbol::init_constant): Likewise.
3930 (Sized_symbol::init_undefined): New function.
3931 (Symbol_table::add_undefined_symbols_from_command_line): New
3933 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3935 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3936 (Symbol::output_section): Likewise.
3937 (Symbol::set_output_section): Likewise.
3938 (Symbol_table::sized_finalize_symbol): Likewise.
3939 (Symbol_table::sized_write_globals): Likewise.
3940 * resolve.cc (Symbol_table::should_override): Likewise.
3941 (Symbol::override_base_with_special): Likewise.
3943 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3944 symbol, change it to have default visibility.
3945 * testsuite/protected_1.cc: New file.
3946 * testsuite/protected_2.cc: New file.
3947 * testsuite/protected_3.cc: New file.
3948 * testsuite/protected_main_1.cc: New file.
3949 * testsuite/protected_main_2.cc: New file.
3950 * testsuite/protected_main_3.cc: New file.
3951 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3952 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3953 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3954 (protected_1.so): New target.
3955 (protected_1_pic.o, protected_2_pic.o): New targets.
3956 (protected_3_pic.o): New target.
3957 (check_PROGRAMS): Add protected_2.
3958 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3959 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3960 * testsuite/Makefile.in: Rebuild.
3962 * options.h (DEFINE_var): Add set_user_set_##varname__.
3963 (DEFINE_bool_alias): New macro.
3964 (class General_options): Define -Bstatic using DEFINE_bool_alias
3965 rather than DEFINE_special. Add --undefined as an alias for -z
3967 * options.cc (General_options::parse_Bstatic): Remove.
3969 * options.h (class General_options): Add --fatal-warnings.
3970 * main.cc (main): Implement --fatal-warnings.
3971 * errors.h (Errors::warning_count): New function.
3973 * options.h (class General_options): Add -Bsymbolic-functions.
3974 * symtab.h (Symbol::is_preemptible): Check for
3975 -Bsymbolic-functions.
3977 2008-05-05 Ian Lance Taylor <iant@google.com>
3979 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3980 as noVARNAME rather than no-VARNAME.
3981 (class General_options): Add option -z combreloc.
3982 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3984 (Output_reloc::sort_before) [SHT_REL]: New function.
3985 (Output_reloc::sort_before) [SHT_RELA]: New function.
3986 (class Output_data_reloc_base): Add sort_relocs_ field. Define
3987 Sort_relocs_comparison.
3988 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3989 parameter. Change all callers.
3990 (Output_data_reloc::Output_data_reloc) [both versions]: Add
3991 sort_relocs parameter. Change all callers.
3992 * output.cc (Output_reloc::get_address): New function, broken out
3994 (Output_reloc::write_rel): Call it.
3995 (Output_reloc::compare): New function.
3996 (Output_data_reloc_base::do_write): Optionally sort relocs.
3998 * configure.ac: If targ_extra_obj is set, link it in.
3999 * configure.tgt: Initialize all variables.
4000 (x86_64*): Set targ_extra_obj and targ_extra_size.
4001 * configure: Rebuild.
4003 * object.cc (Sized_relobj::include_section_group): Adjust section
4004 indexes read from group data. Build vector to pass to
4006 * layout.cc (Layout::layout_group): Add flags and shndxes
4007 parameters. Remove contents parameter. Change caller. Update
4008 explicit instantiations.
4009 * layout.h (class Layout): Update layout_group declaration.
4010 * output.cc (Output_data_group::Output_data_group): Add flags and
4011 input_shndxes parameters. Remove contents parameter. Change
4013 (Output_data_group::do_write): Change input_sections_ to
4015 * output.h (class Output_data_group): Update constructor
4016 declaration. Rename input_sections_ to input_shndxes_.
4017 * testsuite/many_sections_test.cc: Add template.
4019 2008-04-30 Cary Coutant <ccoutant@google.com>
4021 * target-reloc.h (relocate_section): Fix dead-pointer bug.
4023 * layout.cc (Layout::include_section): Refactored check for debug
4025 (Layout::add_comdat): Add new parameters. Change type
4026 of signature parameter. Add object and shndx to signatures table.
4027 (Layout::find_kept_object): New function.
4028 * layout.h: Include <cstring>.
4029 (Layout::is_debug_info_section): New function.
4030 (Layout::add_comdat): Add new parameters.
4031 (Layout::find_kept_object): New function.
4032 (Layout::Kept_section): New struct.
4033 (Layout::Signatures): Change type of map range.
4034 * object.cc (Relobj::output_section_address): New function.
4035 (Sized_relobj::include_section_group): Add new parameters. Change
4036 calls to Layout::add_comdat. Change to build table of kept comdat
4037 groups and table mapping discarded sections to kept sections.
4038 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
4039 (Sized_relobj::do_layout): Change calls to include_section_group and
4040 include_linkonce_section.
4041 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4042 value to zero when section is discarded.
4043 (Sized_relobj::map_to_kept_section): New function.
4044 * object.h (Relobj::output_section_address): New function.
4045 (Relobj::Comdat_group): New type.
4046 (Relobj::find_comdat_group): New function.
4047 (Relobj::Comdat_group_table): New type.
4048 (Relobj::Kept_comdat_section): New type.
4049 (Relobj::Kept_comdat_section_table): New type.
4050 (Relobj::add_comdat_group): New function.
4051 (Relobj::set_kept_comdat_section): New function.
4052 (Relobj::get_kept_comdat_section): New function.
4053 (Relobj::comdat_groups_): New field.
4054 (Relobj::kept_comdat_sections_): New field.
4055 (Symbol_value::input_value): Update comment.
4056 (Sized_relobj::map_to_kept_section) New function.
4057 (Sized_relobj::include_linkonce_section): Add new parameter.
4058 * target-reloc.h (Comdat_behavior): New type.
4059 (get_comdat_behavior): New function.
4060 (relocate_section): Add code to map a discarded section to the
4061 corresponding kept section when applying a relocation.
4063 2008-04-30 Craig Silverstein <csilvers@google.com>
4065 * dwarf_reader.cc (next_generation_count): New static var.
4066 (Addr2line_cache_entry): New struct.
4067 (addr2line_cache): New static var.
4068 (Dwarf_line_info::one_addr2line): Added caching.
4069 (Dwarf_line_info::clear_addr2line_cache): New function.
4070 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4071 cache-size parameter.
4072 (Dwarf_line_info::one_addr2line_cache): New function.
4073 * symtab.cc (Symbol_table::detect_odr_violations): Pass
4074 new cache-size argument to one_addr2line(), and clear cache.
4076 2008-04-28 Cary Coutant <ccoutant@google.com>
4078 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4079 R_386_PC8 relocations.
4081 2008-04-23 Ian Lance Taylor <iant@google.com>
4083 * object.cc (Sized_relobj::include_section_group): Check for
4084 invalid section group.
4086 * object.cc (make_elf_object): Correct test for 64-bit ELF file
4089 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4090 than read for file header.
4091 * archive.cc (Archive::include_member): Likewise.
4093 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
4095 * aclocal.m4: Regenerate.
4096 * configure: Regenerate.
4098 2008-04-19 Ian Lance Taylor <iant@google.com>
4100 * version.cc (version_string): Bump to 1.6.
4102 * testsuite/Makefile.am (many_sections_r_test): New target.
4103 (many_sections_r_test_SOURCES): Remove.
4104 (many_sections_r_test_DEPENDENCIES): Remove.
4105 (many_sections_r_test_LDFLAGS): Remove.
4106 (many_sections_r_test_LDADD): Remove.
4108 * object.cc (Sized_relobj::do_add_symbols): Always pass
4109 local_symbol_count_ to add_from_relobj.
4111 * testsuite/Makefile.am (many_sections_check.h): Only check one in
4112 every thousand variables.
4113 * testsuite/Makefile.in: Rebuild.
4115 * object.cc (Xindex::initialize_symtab_xindex): New function.
4116 (Xindex::read_symtab_xindex): New function.
4117 (Xindex::sym_xindex_to_shndx): New function.
4118 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4120 (Sized_relobj::do_initialize_xindex): New function.
4121 (Sized_relobj::do_read_symbols): Adjust section links.
4122 (Sized_relobj::symbol_section_and_value): Add is_ordinary
4123 parameter. Change all callers.
4124 (Sized_relobj::include_section_group): Adjust section links and
4125 symbol section indexes.
4126 (Sized_relobj::do_layout): Adjust section links.
4127 (Sized_relobj::do_count_local_symbols): Adjust section links and
4128 symbol section indexes.
4129 (Sized_relobj::do_finalize_local_symbols): Distinguish between
4130 ordinary and special symbols.
4131 (Sized_relobj::write_local_symbols): Add symtab_xindex and
4132 dynsym_xindex parameters. Change all callers. Adjust section
4133 links. Use SHN_XINDEX when needed.
4134 (Sized_relobj::get_symbol_location_info): Adjust section links.
4135 Don't get fooled by special symbols.
4136 * object.h (class Xindex): Define.
4137 (class Object): Add xindex_ parameter. Declare virtual functoin
4138 do_initialize_xindex.
4139 (Object::adjust_sym_shndx): New function.
4140 (Object::set_xindex): New protected function.
4141 (class Symbol_value): Add is_ordinary_shndx_ field.
4142 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4143 (Symbol_value::value): Assert ordinary section.
4144 (Symbol_value::initialize_input_to_output_map): Likewise.
4145 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4147 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
4149 (class Sized_relobj): Update declarations.
4150 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4151 parameter. Change all callers.
4152 (Sized_relobj::adjust_shndx): New function.
4153 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4155 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4156 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
4157 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
4158 (Sized_dynobj::read_dynsym_section): Adjust section links.
4159 (Sized_dynobj::read_dynamic): Likewise.
4160 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
4162 (Sized_dynobj::do_initialize_xindex): New function.
4163 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
4164 do_initialize_xindex.
4165 (Sized_dynobj::adjust_shndx): New function.
4166 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4167 dynsym_xindex_ fields.
4168 (Layout::finalize): Add a call to set_section_indexes before
4169 creating the symtab sections.
4170 (Layout::set_section_indexes): Don't do anything if the section
4171 already has a section index.
4172 (Layout::create_symtab_sections): Add shnum parameter. Change
4173 caller. Create .symtab_shndx section if needed.
4174 (Layout::create_shdrs): Add shstrtab_section parameter. Change
4176 (Layout::allocated_output_section_count): New function.
4177 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4179 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4180 fields. Update declarations.
4181 (Layout::symtab_xindex): New function.
4182 (Layout::dynsym_xindex): New function.
4183 (class Write_symbols_task): Add layout_ field.
4184 (Write_symbols_task::Write_symbols_task): Add layout parameter.
4186 * output.cc (Output_section_headers::Output_section_headers): Add
4187 shstrtab_section parameter. Change all callers.
4188 (Output_section_headers::do_sized_write): Store overflow values
4189 for section count and section string table section index in
4190 section header zero.
4191 (Output_file_header::do_sized_write): Check for overflow of
4192 section count and section string table section index.
4193 (Output_symtab_xindex::do_write): New function.
4194 (Output_symtab_xindex::endian_do_write): New function.
4195 * output.h (class Output_section_headers): Add shstrtab_section_.
4196 Update declarations.
4197 (class Output_symtab_xindex): Define.
4198 (Output_section::has_out_shndx): New function.
4199 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4201 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4203 (Sized_symbol::init): Likewise.
4204 (Symbol::output_section): Check for ordinary symbol.
4205 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
4206 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
4208 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4209 Change all callers. Simplify handling of symbols from sections
4210 not included in the link.
4211 (Symbol_table::add_from_dynobj): Handle ordinary symbol
4213 (Weak_alias_sorter::operator()): Assert that symbols are
4215 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4217 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4218 parameters. Change all callers.
4219 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
4220 symbol distinction. Use SHN_XINDEX when needed.
4221 (Symbol_table::write_section_symbol): Add symtab_xindex
4222 parameter. Change all callers.
4223 (Symbol_table::sized_write_section_symbol): Likewise. Use
4224 SHN_XINDEX when needed.
4225 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
4227 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
4228 (Symbol::is_defined): Check is_ordinary.
4229 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4230 (Symbol::is_absolute, Symbol::is_common): Likewise.
4231 (class Sized_symbol): Update declarations.
4232 (class Symbol_table): Update declarations.
4233 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4234 parameters. Change all callers.
4235 (Sized_symbol::override): Likewise.
4236 (Symbol_table::override): Likewise.
4237 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
4238 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
4239 is_ordinary, and orig_st_shndx parameters. Change all callers.
4240 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4241 to be in an ordinary section.
4242 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4243 object and is_ordinary parameters. Change all callers.
4244 (Sized_dwarf_line_info::read_relocs): Add object parameter.
4245 Change all callers. Don't add undefined or non-ordinary symbols
4247 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4249 * dwarf_reader.h (class Sized_dwarf_line_info): Update
4251 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4252 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4253 (Sized_relobj::relocate_sections): Likewise.
4254 * target-reloc.h (scan_relocs): Adjust section symbol index.
4255 (scan_relocatable_relocs): Likewise.
4256 * i386.cc (Scan::local): Check for ordinary symbols.
4257 * sparc.cc (Scan::local): Likewise.
4258 * x86_64.cc (Scan::local): Likewise.
4259 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4260 to symbol_section_and_value.
4261 * testsuite/many_sections_test.cc: New file.
4262 * testsuite/Makefile.am (BUILT_SOURCES): Define.
4263 (check_PROGRAMS): Add many_sections_test.
4264 (many_sections_test_SOURCES): Define.
4265 (many_sections_test_DEPENDENCIES): Define.
4266 (many_sections_test_LDFLAGS): Define.
4267 (BUILT_SOURCES): Add many_sections_define.h.
4268 (many_sections_define.h): New target.
4269 (BUILT_SOURCES): Add many_sections_check.h.
4270 (many_sections_check.h): New target.
4271 (check_PROGRAMS): Add many_sections_r_test.
4272 (many_sections_r_test_SOURCES): Define.
4273 (many_sections_r_test_DEPENDENCIES): Define.
4274 (many_sections_r_test_LDFLAGS): Define.
4275 (many_sections_r_test_LDADD): Define.
4276 (many_sections_r_test.o): New target.
4277 * testsuite/Makefile.in: Rebuild.
4279 2008-04-17 Cary Coutant <ccoutant@google.com>
4281 * errors.cc (Errors::info): New function.
4282 (gold_info): New function.
4283 * errors.h (Errors::info): New function.
4284 * gold.h (gold_info): New function.
4285 * object.cc (Input_objects::add_object): Print trace output.
4286 * options.cc (options::parse_set): New function.
4287 (General_options::parse_wrap): Deleted.
4288 (General_options::General_options): Deleted initializer.
4289 * options.h (options::String_set): New typedef.
4290 (options::parse_set): New function.
4291 (DEFINE_set): New macro.
4292 (General_options::wrap): Changed to use DEFINE_set. Changed
4293 callers of any_wrap_symbols and is_wrap_symbol.
4294 (General_options::trace, General_options::trace_symbol):
4296 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4297 (General_options::wrap_symbols_): Deleted.
4298 * symtab.cc (Symbol_table::add_from_object): Print trace output.
4300 2008-04-17 David S. Miller <davem@davemloft.net>
4302 * options.cc (General_options::parse_V): New function.
4303 * options.h: Add entries for -V and -Qy.
4305 2008-04-17 Ian Lance Taylor <iant@google.com>
4307 * common.cc (Symbol_table::allocate_commons): Remove options
4308 parameter. Change caller.
4309 (Symbol_table::do_allocate_commons): Remove options parameter.
4310 Change caller. Just call do_allocate_commons_list twice.
4311 (Symbol_table::do_allocate_commons_list): New function, broken out
4312 of do_allocate_commons.
4313 * common.h (class Allocate_commons_task): Remove options_ field.
4315 * symtab.cc (Symbol_table::Symbol_table): Initialize
4317 (Symbol_table::add_from_object): Put TLS common symbols on
4319 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4320 which are IN_OUTPUT_DATA.
4321 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
4322 allocate_commons and do_allocate_commons declarations. Declare
4323 do_allocate_commons_list.
4324 * gold.cc (queue_middle_tasks): Update creation of
4325 Allocate_commons_task to not pass options.
4326 * testsuite/Makefile.am (INCLUDES): Add -I.. .
4327 (TLS_TEST_C_FLAGS): New variable.
4328 (tls_test_c_pic.o): New target.
4329 (tls_test_shared.so): Link in tls_test_c_pic.o.
4330 (tls_test_c_pic_ie.o): New target.
4331 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4332 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4333 (tls_test_c.o): New target.
4334 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4335 (tls_pic_test_LDADD): Likewise.
4336 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4337 (tls_shared_gd_to_ie_test_LDADD): Likewise.
4338 (tls_test_c_gnu2.o): New target.
4339 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4341 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4342 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4343 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4344 * testsuite/tls_test.cc: Include "config.h".
4345 (t_last): Call t11_last.
4346 * testsuite/tls_test.h (t11, t11_last): Declare.
4347 * testsuite/tls_test_c.c: New file.
4348 * testsuite/tls_test_main.cc (thread_routine): Call t11.
4349 * configure.ac: Check for OpenMP support.
4350 * configure, config.in, Makefile.in: Rebuild.
4351 * testsuite/Makefile.in: Rebuild.
4353 2008-04-16 Cary Coutant <ccoutant@google.com>
4355 * i386.cc (Target_i386::define_tls_base_symbol): New function.
4356 (Target_i386::tls_base_symbol_defined_): New field.
4357 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4358 (Target_i386::Scan::global): Likewise.
4359 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4360 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4361 (Target_x86_64::tls_base_symbol_defined_): New field.
4362 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4363 (Target_x86_64::Scan::global): Likewise.
4365 2008-04-16 Cary Coutant <ccoutant@google.com>
4367 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4368 (Symbol::needs_plt_entry): Allow weak undefined symbols.
4369 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4370 building shared libraries.
4371 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4372 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4373 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4374 * testsuite/Makefile.in: Rebuild.
4375 * testsuite/weak_undef.h: New file.
4376 * testsuite/weak_undef_file1.cc: Add extra test cases.
4377 * testsuite/weak_undef_file2.cc: Likewise.
4378 * testsuite/weak_undef_test.cc: Likewise.
4380 2008-04-16 David S. Miller <davem@davemloft.net>
4382 * sparc.cc (Target_sparc::Scan): Change from struct to class.
4383 Add issued_non_pic_error_ field. Declare check_non_pic.
4384 (Target_sparc::Scan::check_non_pic): New function.
4385 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4386 (Target_sparc::Scan::global): Likewise.
4388 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4389 * configure: Rebuild.
4391 * options.h (DEFINE_enable): New macro.
4392 (new_dtags): New enable option.
4393 (initfirst, interpose, loadfltr, nodefaultlib,
4394 nodelete, nodlopen, nodump): New -z options.
4395 * layout.cc (Layout:finish_dynamic_section): If new
4396 dtags enabled, emit DT_RUNPATH. Also, emit a
4397 DT_FLAGS_1 containing any specified -z flags.
4399 2008-04-16 Ian Lance Taylor <iant@google.com>
4401 * copy-relocs.cc: New file.
4402 * copy-relocs.h: New file.
4403 * reloc.cc: Remove Copy_relocs code.
4404 * reloc.h: Likewise.
4405 * reloc-types.h (struct Reloc_types) [both versions]: Add
4406 get_reloc_addend_noerror.
4407 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4408 variants of add_global which take an addend which must be zero.
4409 * i386.cc: Include "copy-relocs.h".
4410 (class Target_i386): Change type of copy_relocs_ to variable,
4412 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4414 (Target_i386::do_finalize_sections): Change handling of
4416 * sparc.cc: Include "copy-relocs.h".
4417 (class Target_sparc): Change type of copy_relocs_ to variable,
4419 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4421 (Target_sparc::do_finalize_sections): Change handling of
4423 * x86_64.cc: Include "copy-relocs.h".
4424 (class Target_x86_64): Change type of copy_relocs_ to variable,
4426 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4427 class. Change all callers.
4428 (Target_x86_64::do_finalize_sections): Change handling of
4430 * Makefile.am (CCFILES): Add copy-relocs.cc.
4431 (HFILES): Add copy-relocs.h.
4433 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4435 * testsuite/script_test_4.sh: Permit leading zeroes.
4437 2008-04-15 Ian Lance Taylor <iant@google.com>
4439 * script-sections.cc (Script_sections::create_segments): Use
4440 header_size_adjustment even when there is enough room for the
4442 * testsuite/script_test_4.sh: New file.
4443 * testsuite/script_test_4.t: New file.
4444 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4445 (check_DATA): Add script_test_4.stdout.
4446 (MOSTLYCLEANFILES): Likewise.
4447 (script_test_4): New target.
4448 (script_test_4.stdout): New target.
4449 * testsuite/Makefile.in: Rebuild.
4451 * sparc.cc: Add definitions for Output_data_plt_sparc class
4454 2008-04-14 David S. Miller <davem@davemloft.net>
4456 * sparc.cc: New file.
4457 * Makefile.am (TARGETSOURCES): Add sparc.cc
4458 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4459 * configure.tgt: Document targ_extra_size and
4460 targ_extra_big_endian. Add entries for sparc-* and
4462 * configure.ac: Handle targ_extra_size and
4463 targ_extra_big_endian.
4464 * Makefile.in: Rebuild.
4465 * configure: Likewise.
4466 * po/POTFILES.in: Likewise.
4467 * po/gold.pot: Likewise.
4469 2008-04-14 Ian Lance Taylor <iant@google.com>
4471 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4472 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4473 in the name/type/flags to section mapping. Don't call
4474 allocate_output_section.
4475 (Layout::choose_output_section): Change parameter from adjust_name
4476 to is_input_section. Don't permit input sections after sections
4477 are attached to segments. Don't call allocate_output_section.
4478 (Layout::layout_eh_frame): Call update_flags_for_input_section,
4479 not write_enable_output_section.
4480 (Layout::make_output_section): Don't push to
4481 unattached_section_list_ nor call attach_to_segment. Call
4482 attach_section_to_segment if sections are attached.
4483 (Layout::attach_sections_to_segments): New function.
4484 (Layout::attach_section_to_segment): New function.
4485 (Layout::attach_allocated_section_to_segment): Rename from
4486 attach_to_segment. Remove flags parameter.
4487 (Layout::allocate_output_section): Remove function.
4488 (Layout::write_enable_output_section): Remove function.
4489 * layout.h (class Layout): Update for above changes. Add new
4490 field sections_are_attached_.
4491 * output.h (Output_section::update_flags_for_input_section): New
4493 * output.cc (Output_section::add_input_section): Call
4494 update_flags_for_input_section.
4495 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4497 2008-04-11 Cary Coutant <ccoutant@google.com>
4499 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4500 thought unnecessary.
4501 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4503 2008-04-11 Ian Lance Taylor <iant@google.com>
4505 * output.h (class Output_section_data): Remove inline definition
4507 * output.cc (Output_section_data::set_addralign): New function.
4509 2008-04-11 Cary Coutant <ccoutant@google.com>
4511 Add support for TLS descriptors for i386 and x86_64.
4512 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4513 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4514 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4516 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4517 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4518 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4520 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4521 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4522 Fix problem with initial-exec relocations.
4523 (Target_i386::Relocate::relocate_tls): Likewise.
4524 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4526 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4527 support for section-plus-offset dynamic table entries.
4528 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4529 (Output_data_dynamic::Dynamic_entry): Add support for
4530 section-plus-offset dynamic table entries.
4531 (Output_data_dynamic::Classification): Likewise.
4532 (Output_data_dynamic::classification_): Renamed offset_.
4533 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4534 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4535 (Target_x86_64::make_plt_section): New function.
4536 (Target_x86_64::reserve_tlsdesc_entries): New function.
4537 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4538 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4539 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4540 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4541 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4542 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4543 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4544 add extra PLT entry for TLS descriptors.
4545 (Output_data_plt_x86_64::got_): New field.
4546 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4547 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4549 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4551 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4552 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4553 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4554 R_386_TLS_DESC_CALL relocations.
4555 (Target_x86_64::Scan::global): Likewise.
4556 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4557 for TLS descriptors.
4558 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4559 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4560 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4561 GD-to-IE relaxation.
4562 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4563 and TLS_DESCRIPTORS.
4564 * Makefile.in: Rebuild.
4565 * configure: Rebuild.
4566 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4567 (tls_test_shared2.so): New target.
4568 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4569 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4570 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4571 (tls_shared_gd_to_ie_test_LDADD): New variable.
4572 (tls_shared_gnu2_gd_to_ie_test): New target.
4573 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4575 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4576 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4577 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4578 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4579 (tls_shared_gnu2_test): New target.
4580 (tls_test_gnu2_shared.so): New target.
4581 (tls_shared_gnu2_test_SOURCES): New variable.
4582 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4583 (tls_shared_gnu2_test_LDFLAGS): New variable.
4584 (tls_shared_gnu2_test_LDADD): New variable.
4585 * testsuite/Makefile.in: Rebuild.
4586 * testsuite/Makefile.
4588 2008-04-11 Ian Lance Taylor <iant@google.com>
4590 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4592 * testsuite/Makefile.in: Rebuild.
4594 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4596 * testsuite/script_test_2.cc (main): Adjust test.
4598 2008-04-11 David S. Miller <davem@davemloft.net>
4599 Ian Lance Taylor <iant@google.com>
4601 * options.h (General_options): Add entries for '-Y' and
4603 * options.cc (General_options:finalize): If -Y was used, add those
4604 entries to the library path instead of the default "/lib" and
4607 2008-04-11 David S. Miller <davem@davemloft.net>
4609 * testsuite/justsyms.t: Start at 0x100.
4610 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4611 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4613 * testsuite/script_test_2.cc: Adjust string and section length
4616 2008-04-09 Ian Lance Taylor <iant@google.com>
4619 * script-sections.cc (Sections_element::allocate_to_segment): Add
4621 (Output_section_definition::allocate_to_segment): Likewise.
4622 (Orphan_output_section::allocate_to_segment): Likewise.
4623 (Script_sections::attach_sections_using_phdrs_clause): Don't
4624 propagate non-PT_LOAD segments to orphan sections.
4625 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4626 readelf rather than objdump.
4627 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4628 .interp section and PT_INTERP segment are the same size.
4629 * testsuite/Makefile.in: Rebuild.
4631 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4632 aliases for symbols defined in the same object.
4633 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4634 (weak_alias_test_SOURCES): New variable.
4635 (weak_alias_test_DEPENDENCIES): New variable.
4636 (weak_alias_test_LDFLAGS): New variable.
4637 (weak_alias_test_LDADD): New variable.
4638 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4639 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4640 (weak_alias_test_3.o): New target.
4641 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4642 * testsuite/weak_alias_test_main.cc: New file.
4643 * testsuite/weak_alias_test_1.cc: New file.
4644 * testsuite/weak_alias_test_2.cc: New file.
4645 * testsuite/weak_alias_test_3.cc: New file.
4647 2008-04-08 Ian Lance Taylor <iant@google.com>
4649 * options.h (class General_options): Add --noinhibit-exec option.
4650 * main.cc (main): Check --noinhibit-exec.
4652 * options.h (class General_options): Define --wrap as a special
4653 option. Add wrap_symbols_ field.
4654 (General_options::any_wrap_symbols): New function.
4655 (General_options::is_wrap_symbol): New function.
4656 * options.cc (General_options::parse_wrap): New function.
4657 (General_options::General_options): Initialize wrap_symbols_.
4658 * symtab.cc (Symbol_table::wrap_symbol): New function.
4659 (Symbol_table::add_from_object): Handle --wrap.
4660 * symtab.h (class Symbol_table): Declare wrap_symbol.
4661 * target.h (Target::wrap_char): New function.
4662 (Target::Target_info): Add wrap_char field.
4663 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4664 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4665 * testsuite/testfile.cc (Target_test::test_target_info):
4668 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4671 * layout.h (class Layout): Add added_eh_frame_data_ field.
4672 * layout.cc (Layout::Layout): Initialize new field.
4673 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4674 output section until we find a section we merged successfully.
4675 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4676 that the size be non-zero.
4678 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4681 2008-04-08 Craig Silverstein <csilvers@google.com>
4683 * configure.ac: Export new conditional variable HAVE_ZLIB.
4684 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4686 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4687 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4689 2008-04-07 Ian Lance Taylor <iant@google.com>
4691 * version.cc (version_string): Set to "1.5".
4693 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4694 Add issued_non_pic_error_ field. Declare check_non_pic.
4695 (Target_x86_64::Scan::check_non_pic): New function.
4696 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4697 (Target_x86_64::Scan::global): Likewise.
4699 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4700 addend parameter. Change caller. Handle merge sections.
4701 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4702 Address to Addend. Don't add in the result of
4703 local_section_offset, pass down the addend and use the returned
4705 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4706 Update declarations of local_section_offset and symbol_value.
4707 * testsuite/two_file_test_1.cc (t18): New function.
4708 * testsuite/two_file_test_2.cc (f18): New function.
4709 * testsuite/two_file_test_main.cc (main): Call t18.
4710 * testsuite/two_file_test.h (t18, f18): Declare.
4712 * configure.ac: Don't test for objdump, c++filt, or readelf.
4713 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4715 (TEST_READELF): New variable.
4716 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4717 (check_PROGRAMS): Add two_file_strip_test.
4718 (two_file_strip_test): New target.
4719 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4720 (two_file_same_shared_strip_test_SOURCES): New variable.
4721 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4722 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4723 (two_file_same_shared_strip_test_LDADD): New variable.
4724 (two_file_shared_strip.so): New target.
4725 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4726 (ver_test_5.syms, ver_test_7.syms): Likewise.
4727 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4728 (strip_test_3.stdout): Use TEST_OBJDUMP.
4729 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4731 2008-04-04 Cary Coutant <ccoutant@google.com>
4733 * symtab.h (Symbol::is_weak_undefined): New function.
4734 (Symbol::is_strong_undefined): New function.
4735 (Symbol::is_absolute): New function.
4736 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4737 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4739 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4740 (weak_undef_test): New target.
4741 * testsuite/Makefile.in: Rebuild.
4742 * testsuite/weak_undef_file1.cc: New file.
4743 * testsuite/weak_undef_file2.cc: New file.
4744 * testsuite/weak_undef_test.cc: New file.
4746 2008-04-03 Craig Silverstein <csilvers@google.com>
4748 * compressed_output.h (class Output_compressed_section): Use
4750 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4752 (zlib_compressed_suffix): Removed.
4753 (Output_compressed_section::set_final_data_size): Use unsigned
4755 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4756 Fix linker invocation.
4757 (flagstest_o_specialfile_and_compress_debug_sections):
4759 * testsuite/Makefile.in: Regenerated.
4761 2008-04-02 David S. Miller <davem@davemloft.net>
4763 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4764 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4766 2008-04-02 Craig Silverstein <csilvers@google.com>
4770 2008-04-02 Ian Lance Taylor <iant@google.com>
4772 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4773 parameters. Update for new key type to views_. Change all
4775 (File_read::read): Adjust for byteshift in returned view.
4776 (File_read::add_view): New function, broken out of
4778 (File_read::make_view): New function, broken out of
4780 (File_read::find_or_make_view): Add offset and aligned
4781 parameters. Rewrite accordingly. Change all callers.
4782 (File_read::get_view): Add offset and aligned parameters. Adjust
4783 for byteshift in return value.
4784 (File_read::get_lasting_view): Likewise.
4785 * fileread.h (class File_read): Update declarations.
4786 (class File_read::View): Add byteshift_ field. Add byteshift to
4787 constructor. Add byteshift method.
4788 * archive.h (Archive::clear_uncached_views): New function.
4789 (Archive::get_view): Add aligned parameter. Change all callers.
4790 * object.h (Object::get_view): Add aligned parameter. Change all
4792 (Object::get_lasting_view): Likewise.
4794 * fileread.cc (File_read::release): Don't call clear_views if
4795 there are multiple objects.
4796 * fileread.h (File_read::clear_uncached_views): New function.
4797 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4800 2008-03-31 Cary Coutant <ccoutant@google.com>
4802 Add thin archive support.
4803 * archive.cc (Archive::armagt): New const.
4804 (Archive::setup): Remove task parameter and calls to unlock.
4805 (Archive::unlock_nested_archives): New function.
4806 (Archive::read_header): Add nested_off parameter. Change
4808 (Archive::interpret_header): Likewise.
4809 (Archive::include_all_members): Change to handle thin
4811 (Archive::include_member): Likewise.
4812 * archive.h (Archive::Archive): Add new parameters and
4814 (Archive::armagt): New const.
4815 (Archive::setup): Remove task parameter.
4816 (Archive::unlock_nested_archives): New function.
4817 (Archive::read_header): Add nested_off parameter.
4818 (Archive::interpret_header): Likewise.
4819 (Archive::Nested_archive_table): New typedef.
4820 (Archive::is_thin_archive_): New field.
4821 (Archive::nested_archives_): New field.
4822 (Archive::options_): New field.
4823 (Archive::dirpath_): New field.
4824 (Archive::task_): New field.
4825 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4826 for thin archives. Pass additional parameters to
4827 Archive::Archive. Unlock the archive file after calling
4830 2008-03-29 Ian Lance Taylor <iant@google.com>
4832 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4833 version symbol to be local.
4834 * testsuite/ver_test_4.sh: New file.
4835 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4836 (check_DATA): Add ver_test_4.syms.
4837 (ver_test_4.syms): New target.
4838 * testsuite/Makefile.in: Rebuild.
4841 (Output_section::Input_section_sort_entry::has_priority): New
4843 (Output_section::Input_section_sort_entry::match_file_name): New
4845 (Output_section::Input_section_sort_entry::match_section_name):
4847 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4849 (Output_section::Input_section_sort_entry::match_section_file):
4851 (Output_section::Input_section_sort_compare::operator()): Rewrite
4852 using new Input_section_sort_entry functions. Sort crtbegin and
4853 crtend first. Sort sections with no priority before sections with
4855 * testsuite/initpri1.c (d3): Check j != 4.
4856 (cd5): New constructor/destructor function.
4857 (main): Check j != 2.
4859 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4860 new symbol when resolving, don't call set_is_default.
4861 * testsuite/ver_test_7.cc: New file.
4862 * testsuite/ver_test_7.sh: New file.
4863 * testsuite/Makefile.am (ver_test_7.so): New target.
4864 (ver_test_7.o): New target.
4865 (check_SCRIPTS): Add ver_test_7.sh.
4866 (check_DATA): Add ver_test_7.syms.
4867 (ver_test_7.syms): New target.
4869 2008-03-28 Ian Lance Taylor <iant@google.com>
4871 * layout.cc (Layout::layout): If we see an input section with a
4872 name that needs sorting, set the must_sort flag for the output
4874 (Layout::make_output_section): If the name of the output section
4875 indicates that it might require sorting, set the may_sort flag.
4876 * output.h (Output_section::may_sort_attached_input_sections): New
4878 (Output_section::set_may_sort_attached_input_sections): New
4880 (Output_section::must_sort_attached_input_sections): New
4882 (Output_section::set_must_sort_attached_input_sections): New
4884 (class Output_section): Declare Input_section_sort_entry. Define
4885 Input_section_sort_compare. Declare
4886 sort_attached_input_sections. Add new fields:
4887 may_sort_attached_input_sections_,
4888 must_sort_attached_input_sections_,
4889 attached_input_sections_are_sorted_.
4890 * output.cc (Output_section::Output_section): Initialize new
4892 (Output_section::add_input_section): Add an entry to
4893 input_sections_ if may_sort or must_sort are true.
4894 (Output_section::set_final_data_size): Call
4895 sort_attached_input_sections if necessary.
4896 (Output_section::Input_section_sort_entry): Define new class.
4897 (Output_section::Input_section_sort_compare::operator()): New
4899 (Output_section::sort_attached_input_sections): New function.
4900 * configure.ac: Check whether the compiler supports constructor
4901 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4902 * testsuite/initpri1.c: New file.
4903 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4904 CONSTRUCTOR_PRIORITY.
4905 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4906 (initpri1_LDFLAGS): New variable.
4907 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4909 2008-03-27 Ian Lance Taylor <iant@google.com>
4911 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4912 * testsuite/common_test_1.c: New file.
4913 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4914 (common_test_1_SOURCES): New variable.
4915 (common_test_1_DEPENDENCIES): New variable.
4916 (common_test_1_LDFLAGS): New variable.
4918 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4919 and commons_ correctly when NAME/VERSION does not override
4921 * testsuite/ver_test_6.c: New file.
4922 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4923 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4924 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4926 2008-03-26 Ian Lance Taylor <iant@google.com>
4928 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4929 of an undefined symbol from a version script.
4930 * testsuite/Makefile.am (ver_test_5.so): New target.
4931 (ver_test_5.o): New target.
4932 (check_SCRIPTS): Add ver_test_5.sh.
4933 (check_DATA): Add ver_test_5.syms.
4934 (ver_test_5.syms): New target.
4935 * testsuite/ver_test_5.cc: New file.
4936 * testsuite/ver_test_5.script: New file.
4937 * testsuite/ver_test_5.sh: New file.
4938 * Makefile.in, testsuite/Makefile.in: Rebuild.
4941 Fix problems building gold with gcc 4.3.0.
4942 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4943 (gold_error_at_location, gold_warning_at_location): Use it.
4944 * configure.ac: Check whether we can compile and use a template
4945 function with a printf attribute.
4946 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4947 when jumping over bytes.
4948 * object.cc: Instantiate Object::read_section_data.
4949 * debug.h: Include <cstring>
4950 * dwarf_reader.cc: Include <algorithm>
4951 * main.cc: Include <cstring>.
4952 * options.cc: Include <cstring>.
4953 * output.cc: Include <cstring>.
4954 * script.cc: Include <cstring>.
4955 * script.h: Include <string>.
4956 * symtab.cc: Include <cstring> and <algorithm>.
4957 * target-select.cc: Include <cstring>.
4958 * version.cc: Include <string>.
4959 * testsuite/testmain.cc: Include <cstdlib>.
4960 * configure, config.in: Rebuild.
4962 2008-03-25 Ian Lance Taylor <iant@google.com>
4964 * options.cc: Include "../bfd/bfdver.h".
4965 (options::help): Print bug reporting address.
4967 * version.cc (print_version): Adjust output for current value of
4972 * options.cc (options::help): Print list of supported targets.
4973 * target-select.h: Include <vector>.
4974 (class Target_selector): Make machine_, size_, and is_big_endian_
4975 fields const. Add bfd_name_ and instantiated_target_ fields.
4976 (Target_selector::Target_selector): Add bfd_name parameter.
4977 (Target_selector::recognize): Make non-virtual, call
4979 (Target_selector::recognize_by_name): Make non-virtual, call
4980 do_recognize_by_name.
4981 (Target_selector::supported_names): New function.
4982 (Target_selector::bfd_name): New function.
4983 (Target_selector::do_instantiate_target): New pure virtual
4985 (Target_selector::do_recognize): New virtual function.
4986 (Target_selector::do_recognize_by_name): New virtual function.
4987 (Target_selector::instantiate_target): New private function.
4988 (supported_target_names): Declare.
4989 * target-select.cc (Target_selector::Target_selector): Update for
4990 new parameter and fields.
4991 (select_target_by_name): Check that the name matches before
4992 calling recognize_by_name.
4993 (supported_target_names): New function.
4994 * i386.cc (class Target_selector_i386): Update Target_selector
4995 constructor call. Remove recognize and recognize_by_name. Add
4996 do_instantiate_target.
4997 * x86_64.cc (class Target_selector_x86_64): Likewise.
4998 * testsuite/testfile.cc (class Target_selector_test): Update for
4999 changes to Target_selector.
5001 * README: Rewrite, with some notes on unsupported features.
5003 2008-03-24 Cary Coutant <ccoutant@google.com>
5005 * i386.cc (Target_i386::Got_type): New enum declaration.
5006 (Target_i386::Scan::local): Updated callers of Output_data_got
5008 (Target_i386::Scan::global): Likewise.
5009 (Target_i386::Relocate::relocate): Likewise.
5010 (Target_i386::Relocate::relocate_tls): Likewise.
5011 * object.h (Got_offset_list): New class.
5012 (Sized_relobj::local_has_got_offset): Added got_type parameter.
5013 (Sized_relobj::local_got_offset): Likewise.
5014 (Sized_relobj::set_local_got_offset): Likewise.
5015 (Sized_relobj::local_has_tls_got_offset): Removed.
5016 (Sized_relobj::local_tls_got_offset): Removed.
5017 (Sized_relobj::set_local_tls_got_offset): Removed.
5018 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5019 * output.cc (Output_data_got::add_global): Added got_type parameter.
5020 (Output_data_got::add_global_with_rel): Likewise.
5021 (Output_data_got::add_global_with_rela): Likewise.
5022 (Output_data_got::add_global_pair_with_rel): New function.
5023 (Output_data_got::add_global_pair_with_rela): New function.
5024 (Output_data_got::add_local): Added got_type parameter.
5025 (Output_data_got::add_local_with_rel): Likewise.
5026 (Output_data_got::add_local_with_rela): Likewise.
5027 (Output_data_got::add_local_pair_with_rel): New function.
5028 (Output_data_got::add_local_pair_with_rela): New function.
5029 (Output_data_got::add_global_tls): Removed.
5030 (Output_data_got::add_global_tls_with_rel): Removed.
5031 (Output_data_got::add_global_tls_with_rela): Removed.
5032 (Output_data_got::add_local_tls): Removed.
5033 (Output_data_got::add_local_tls_with_rel): Removed.
5034 (Output_data_got::add_local_tls_with_rela): Removed.
5035 * output.h (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 * resolve.cc (Symbol::override_base_with_special): Removed
5052 reference to has_got_offset_ field.
5053 * symtab.cc (Symbol::init_fields): Replaced initialization
5054 of got_offset_ with got_offsets_. Removed initialization
5056 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5057 (Symbol::got_offset): Likewise.
5058 (Symbol::set_got_offset): Likewise.
5059 (Symbol::has_tls_got_offset): Removed.
5060 (Symbol::tls_got_offset): Removed.
5061 (Symbol::set_tls_got_offset): Removed.
5062 (Symbol::got_offset_): Removed.
5063 (Symbol::tls_mod_got_offset_): Removed.
5064 (Symbol::tls_pair_got_offset_): Removed.
5065 (Symbol::got_offsets_): New field.
5066 (Symbol::has_got_offset): Removed.
5067 (Symbol::has_tls_mod_got_offset): Removed.
5068 (Symbol::has_tls_pair_got_offset): Removed.
5069 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5070 (Target_x86_64::Scan::local): Updated callers of Output_data_got
5072 (Target_x86_64::Scan::global): Likewise.
5073 (Target_x86_64::Relocate::relocate): Likewise.
5074 (Target_x86_64::Relocate::relocate_tls): Likewise.
5076 2008-03-25 Ben Elliston <bje@au.ibm.com>
5078 * yyscript.y: Fix spelling error in comment.
5080 2008-03-24 Ian Lance Taylor <iant@google.com>
5082 * options.h (class General_options): Define build_id option.
5083 * layout.h (class Layout): Declare write_build_id, create_note,
5084 create_build_id. Add build_id_note_ member.
5085 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5086 "libiberty.h", "md5.h", "sha1.h".
5087 (Layout::Layout): Initialize eh_frame_data_,
5088 eh_frame_hdr_section_, and build_id_note_.
5089 (Layout::finalize): Call create_build_id.
5090 (Layout::create_note): New function, broken out of
5091 Layout::create_gold_note.
5092 (Layout::create_gold_note): Call create_note.
5093 (Layout::create_build_id): New function.
5094 (Layout::write_build_id): New function.
5095 (Close_task_runner::run): Call write_build_id.
5097 * x86_64.cc: Correct license to GPLv3.
5099 2008-03-23 Ian Lance Taylor <iant@google.com>
5101 * options.cc: Include "demangle.h".
5102 (parse_optional_string): New function.
5103 (parse_long_option): Handle takes_optional_argument.
5104 (parse_short_option): Update dash_z initializer. Handle
5105 takes_optional_argument.
5106 (General_options::General_options): Initialize do_demangle_.
5107 (General_options::finalize): Set do_demangle_. Handle demangling
5109 * options.h (parse_optional_string): Declare.
5110 (struct One_option): Add optional_arg field. Update constructor.
5111 Update call constructor calls. Add takes_optional_argument
5113 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
5114 (DEFINE_optional_string): Define.
5115 (General_options::demangle): Change from DEFINE_bool to
5116 DEFINE_optional_string.
5117 (General_options::no_demangle): New function.
5118 (General_options::do_demangle): New function.
5119 (General_options::set_do_demangle): New function.
5120 (General_options::execstack_status_): Move definition to end of
5122 (General_options::static_): Likewise.
5123 (General_options::do_demangle_): New field.
5124 * object.cc (big_endian>::get_symbol_location_info): Call
5125 Options::do_demangle, not Options::demangle.
5126 * symtab.cc (demangle): Likewise.
5128 2008-03-22 Ian Lance Taylor <iant@google.com>
5130 * gold.h: Include <cstddef> and <sys/types.h>
5131 * options.h: Include <cstring>.
5133 2008-03-21 Ian Lance Taylor <iant@google.com>
5135 * Added source code to GNU binutils.