1 2009-11-10 Doug Kwan <dougkwan@google.com>
3 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5 * incremental.cc (open_incremental_binary): Initialized local
6 variables to avoid warnings.
7 * object.cc (make_elf_object): Ditto.
8 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
11 009-11-09 H.J. Lu <hongjiu.lu@intel.com>
14 * testsuite/plugin_test.c: Include "config.h".
16 2009-11-09 Doug Kwan <dougkwan@google.com>
18 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
19 (arm_symbol_value): Remove.
20 (Arm_relocate_functions::arm_branch_common,
21 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
22 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
23 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
24 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
25 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
26 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
27 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
28 Arm_relocate_functions::thm_mobw_abs_nc,
29 Arm_relocate_functions::thm_mov_abs,
30 Arm_relocate_functions::movw_prel_nc,
31 Arm_relocate_functions::thm_movt_abs,
32 Arm_relocate_functions::movt_prel,
33 Arm_relocate_functions::thm_movw_prel_nc,
34 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
35 (Target_arm::Relocate::relocate): Only decompose address into two
36 parts if relocation type uses the thumb-bit and pass the actual
37 bit instead of a flag indicating that the thumb-bit is used. Adjust
38 calls to methods in Arm_relocate_functions for this change.
40 2009-11-08 Ian Lance Taylor <ian@airs.com>
43 * reloc.cc: Instantiate
44 Sized_relobj::initialize_input_to_output_maps and
45 Sized_relobj:free_input_to_output_maps.
47 2009-11-06 Ian Lance Taylor <iant@google.com>
50 * defstd.cc (in_segment): Set only_if_ref true for "end".
52 2009-11-06 Doug Kwan <dougkwan@google.com>
54 * arm.cc (class Reloc_stub): Correct a comment.
55 (Target_arm::Target_arm): Initialize arm_input_section_map_.
56 (Target_arm::scan_section_for_stubs): New method declaration.
57 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
58 Change methods from private to protected.
59 (Target_arm::do_may_relax): New method definition.
60 (Target_arm::do_relax, Target_arm::group_sections,
61 Target_arm::scan_reloc_for_stub,
62 Target_arm::scan_reloc_section_for_stubs): New method declarations.
63 (Target_arm::arm_input_section_map_): New data member declaration.
64 (Target_arm::scan_reloc_for_stub,
65 Target_arm::scan_reloc_section_for_stubs,
66 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
67 Target_arm::do_relax): New method definitions.
69 2009-11-06 Mikolaj Zalewski <mikolaj@google.com>
71 * configure.ac: Check for (struct stat)::st_mtim
72 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
73 * config.in: Regenerate.
74 * configure: Regenerate.
76 2009-11-05 Ian Lance Taylor <iant@google.com>
79 * output.cc (Output_segment::add_output_section): Add missing
82 2009-11-04 Ian Lance Taylor <iant@google.com>
85 * object.h (class Object): Add is_needed and set_is_needed
86 methods. Add is_needed_ field. Make bool fields into bitfields.
87 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
88 defined in a dynamic object and referenced by a regular object,
89 set is_needed for the dynamic object.
90 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
91 if the file is marked with as_needed and it is not needed.
93 2009-11-04 Ian Lance Taylor <iant@google.com>
96 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
97 tags if data is discarded by linker script.
98 * i386.cc (Target_i386::do_finalize_sections): Likewise.
99 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
100 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
101 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
103 2009-11-04 Ian Lance Taylor <iant@google.com>
105 * layout.cc (Layout::get_output_section): Add is_interp and
106 is_dynamic_linker_section parameters. Change all callers.
107 (Layout::choose_output_section): Likewise.
108 (Layout::make_output_section): Likewise.
109 (Layout::add_output_section_data): Add is_dynamic_linker_section
110 parameter. Change all callers.
111 * layout.h (class Layout): Update declarations.
112 * output.h (class Output_section): Add is_interp, set_is_interp,
113 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
114 Add is_interp_, is_dynamic_linker_section_ fields. Change
115 generate_code_fills_at_write_ to a bitfield.
116 * output.cc (Output_section::Output_sections): Initialize new
118 (Output_segment::add_output_section): Add do_sort parameter.
121 2009-11-03 Ian Lance Taylor <iant@google.com>
124 * options.h (class General_options): Add --warn-common.
125 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
126 merging two common symbols.
127 (Symbol_table::should_override): Handle --warn-common when merging
128 a common symbol with a defined symbol. Use report_resolve_problem
129 for multiple definitions.
130 (Symbol_table::report_resolve_problem): New function.
131 * symtab.h (class Symbol_table): Declare report_resolve_problem.
133 2009-11-03 Doug Kwan <dougkwan@google.com>
135 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
137 (Target_arm::stub_factory): New method definition.
138 (Target_arm::new_arm_input_section,
139 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
140 Target_arm::reloc_uses_thumb_bit): New method declarations.
141 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
142 New type definitions.
143 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
145 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
146 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
147 New method definitions.
149 2009-11-03 Ian Lance Taylor <iant@google.com>
151 * options.h (class General_options): Add --warn_constructors.
153 2009-11-03 Ian Lance Taylor <iant@google.com>
156 * defstd.cc (in_section): Add entries for __rel_iplt_start,
157 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
159 2009-11-03 Ian Lance Taylor <iant@google.com>
162 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
163 --msgid-bugs-address.
164 (install-pdf): New target.
165 (install-data_yes): Look up one directory to find mkinstalldirs.
167 2009-11-03 H.J. Lu <hongjiu.lu@intel.com>
169 * po/Make-in (.po.gmo): Don't generate .gmo files in source
172 2009-10-30 Doug Kwan <dougkwan@google.com>
174 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
176 2009-10-30 Doug Kwan <dougkwan@google.com>
178 * arm.cc (Stub_addend_reader): New struct template definition
179 and partial specializations.
180 (Stub_addend_reader::operator()): New method definition for a
181 partially specialized template.
183 2009-10-30 Doug Kwan <dougkwan@google.com>
185 * arm.cc (Arm_relobj::processor_specific_flags): New method
187 (Arm_relobj::do_read_symbols): New method declaration.
188 (Arm_relobj::processor_specific_flags_): New data member declaration.
189 (Arm_dynobj): New class definition.
190 (Target_arm::do_finalize_sections): Add input_objects parameter.
191 (Target_arm::do_adjust_elf_header): New method declaration.
192 (Target_arm::are_eabi_versions_compatible,
193 (Target_arm::merge_processor_specific_flags): New method declaration.
194 (Target_arm::do_make_elf_object): New overloaded method definitions
196 (Arm_relobj::do_read_symbols): New method definition.
197 (Arm_dynobj::do_read_symbols): Ditto.
198 (Target_arm::do_finalize_sections): Add input_objects parameters.
199 Merge processor-specific flags from all input objects.
200 (Target_arm::are_eabi_versions_compatible,
201 Target_arm::merge_processor_specific_flags,
202 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
203 New method definitions.
204 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
205 Input_objects pointer type parameter.
206 * layout.cc (Layout::finalize): Pass input objects to target's.
207 finalize_sections function.
208 * output.cc (Output_file_header::do_sized_write): Set ELF file
209 header's processor-specific flags.
210 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
211 Input_objects pointer type parameter.
212 * sparc.cc (Target_sparc::do_finalize_sections): Same.
213 * target.h (Input_objects): New forward class declaration.
214 (Target::processor_specific_flags,
215 Target::are_processor_specific_flags_sect): New method definitions.
216 (Target::finalize_sections): Add input_objects parameter.
217 (Target::Target): Initialize processor_specific_flags_ and
218 are_processor_specific_flags_set_.
219 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
221 (Target::set_processor_specific_flags): New method definition.
222 (Target::processor_specific_flags_,
223 Target::are_processor_specific_flags_set_): New data member
225 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
226 Input_objects pointer type parameter.
228 2009-10-30 Doug Kwan <dougkwan@google.com>
230 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
232 2009-10-28 Ian Lance Taylor <iant@google.com>
234 * object.h (class Relobj): Drop options parameter from
235 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
236 do_scan_relocs, do_relocate. Change all callers.
237 (class Sized_relobj): Drop options parameters from
238 do_gc_process_relocs, do_scan_relocs, do_relocate,
239 do_relocate_sections, relocate_sections, emit_relocs_scan,
240 emit_relocs_scan_reltype. Change all callers.
241 (struct Relocate_info): Remove options field and all references to
243 * reloc.h (class Read_relocs): Remove options constructor
244 parameter and options_ field. Change all callers.
245 (class Gc_process_relocs, class Scan_relocs): Likewise.
246 (class Relocate_task): Likewise.
247 * target-reloc.h (scan_relocs): Remove options parameter. Change
249 (scan_relocatable_relocs): Likewise.
250 * target.h (class Sized_target): Remove options parameter from
251 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
253 * gc.h (gc_process_relocs): Remove options parameter. Change all
255 * arm.cc: Update functions to remove options parameters.
257 * powerpc.cc: Likewise.
258 * sparc.cc: Likewise.
259 * x86_64.cc: Likewise.
260 * testsuite/testfile.cc: Likewise.
262 2009-10-28 Doug Kwan <dougkwan@google.com>
264 * arm.cc (Arm_relobj): New class definition.
265 (Arm_relobj::scan_sections_for_stubs,
266 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
267 New method definitions.
269 2009-10-28 Cary Coutant <ccoutant@google.com>
271 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
272 (Plugin::cleanup_done_): New member.
273 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
274 (Plugin_manager::cleanup_done_): Remove.
275 (Plugin_manager::add_input_file): Edit error message.
276 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
277 (Plugin_manager::cleanup): Remove use of cleanup_done_.
279 2009-10-27 Mikolaj Zalewski <mikolajz@google.com>
281 * fileread.cc: (File_read::View::~View): Use the new
282 data_ownership_ filed.
283 (File_read::~File_read): Dispose the new whole_file_view_.
284 (File_read::open): Mmap the whole file if needed.
285 (File_read::open): Use whole_file_view_ instead of contents_.
286 (File_read::find_view): Use whole_file_view_ if applicable.
287 (File_read::do_read): Use whole_file_view_ instead of contents_.
288 (File_read::make_view): Use whole_file_view_ instead of contents_,
289 update File_read::View::View call.
290 (File_read::find_or_make_view): Update File_read::View::View
292 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
294 (File_read::View::Data_ownership): New enum.
295 (File_read::View::View): Replace bool mapped_ with Data_ownership
297 (File_read::View::mapped_): Remove (replaced by data_ownership_).
298 (File_read::View::data_ownership_): New field.
299 (File_read::contents_): Remove (replaced by whole_file_view_).
300 (File_read::whole_file_view_): New field.
301 * options.h (class General_options): Add --keep-files-mapped.
303 2009-10-27 Cary Coutant <ccoutant@google.com>
305 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
306 * testsuite/Makefile.am (plugin_test_5): New test case.
307 * testsuite/Makefile.in: Regenerate.
309 2009-10-25 Doug Kwan <dougkwan@google.com>
311 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
312 from private to protected to allow access by child class.
313 (Sized_relobj::do_relocate_sections): New method declaration.
314 (Sized_relobj::relocate_sections): Virtualize.
315 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
316 Sized_relobj::relocate_sections. Instantiate template explicitly
317 for different target sizes and endianity.
319 2009-10-24 Doug Kwan <dougkwan@google.com>
321 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
322 (Arm_input_section::as_arm_input_section): New method.
323 (Arm_output_section): New class definition.
324 (Arm_output_section::create_stub_group,
325 Arm_output_section::group_sections): New method definitions.
327 2009-10-22 Doug Kwan <dougkwan@google.com>
329 * arm.cc (Arm_input_section): New class definition.
330 (Arm_input_section::init, Arm_input_section:do_write,
331 Arm_input_section::set_final_data_size,
332 Arm_input_section::do_reset_address_and_file_offset): New method
335 2009-10-21 Doug Kwan <dougkwan@google.com>
337 * arm.cc (Stub_table, Arm_input_section): New forward class
339 (Stub_table): New class defintion.
340 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
341 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
342 New method definition.
344 2009-10-21 Doug Kwan <dougkwan@google.com>
346 * arm.cc: Update copyright comments.
347 (Target_arm): New forward class template declaration.
348 (Arm_address): New type.
349 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
350 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
351 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
353 (Insn_template): Same.
354 (DEF_STUBS): New macro.
355 (Stub_type): New enum type.
356 (Stub_template): New class definition.
359 (Stub_factory): Same.
360 (Target_arm::Target_arm): Initialize may_use_blx_ and
361 should_force_pic_veneer_.
362 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
363 Target_arm::should_force_pic_veneer,
364 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
365 Target_arm::using_thumb_only, Target_arm:;default_target): New
367 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
368 New data member declarations.
369 (Insn_template::size, Insn_template::alignment): New method defintions.
370 (Stub_template::Stub_template): New method definition.
371 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
372 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
373 (Stub_factory::Stub_factory): New method definition.
374 * gold.h (string_hash): New template.
375 * output.h (Input_section_specifier::hash_value): Use
377 (Input_section_specifier::string_hash): Remove.
378 * stringpool.cc (Stringpool_template::string_hash): Use
381 2009-10-20 Doug Kwan <dougkwan@google.com>
383 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
384 symbols of relaxed input sections.
385 * output.h (Output_section::find_relaxed_input_section): Make
388 2009-10-16 Doug Kwan <dougkwan@google.com>
390 * dynobj.cc (Versions::Versions): Initialize version_script_.
391 Only insert base version symbol definition for a shared object
392 if version script defines any version versions.
393 (Versions::define_base_version): New method definition.
394 (Versions::add_def): Check that base version is not needed.
395 (Versions::add_need): Define base version lazily.
396 * dynobj.h (Versions::define_base_version): New method declaration.
397 (Versions::needs_base_version_): New data member declaration.
398 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
399 (check_DATA): Add no_version_test.stdout.
400 (libno_version_test.so, no_version_test.o no_version_test.stdout):
402 * testsuite/Makefile.in: Regenerate.
403 * testsuite/no_version_test.c: New file.
404 * testsuite/no_version_test.sh: Ditto.
406 2009-10-16 Doug Kwan <dougkwan@google.com>
408 * expression.cc (class Segment_start_expression): New class definition.
409 (Segment_start_expression::value): New method definition.
410 (script_exp_function_segment_start): Return a new
411 Segment_start_expression.
412 * gold/script-c.h (script_saw_segment_start_expression): New function
414 * script-sections.cc (Script_sections::Script_sections): Initialize
415 SAW_SEGMENT_START_EXPRESSION_ to false.
416 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
417 and -Tbbs options to specify section addresses if given in
418 command line and no SEGMENT_START expression is seen in a script.
419 * script-sections.h (Script_sections::saw_segment_start_expression,
420 Script_sections::set_saw_segment_start_expression): New method
422 (Script_sections::saw_segment_start_expression_): New data member
424 * script.cc (script_saw_segment_start_expression): New function.
425 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
426 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
427 script_test_7.sh and script_test_8.sh.
428 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
429 script_test_8.stdout.
430 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
431 (script_test_6, script_test_6.stdout, script_test_7,
432 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
433 * Makefile.in: Regenerate.
434 * testsuite/script_test_6.sh: New file.
435 * testsuite/script_test_6.t: Same.
436 * testsuite/script_test_7.sh: Same.
437 * testsuite/script_test_7.t: Same.
438 * testsuite/script_test_8.sh: Same.
440 2009-10-16 Doug Kwan <dougkwan@google.com>
442 * output.cc (Output_segment::set_section_list_address): Cast
443 expressions to unsigned long long type to avoid format warnings.
445 2009-10-15 Ian Lance Taylor <iant@google.com>
447 * script.cc (Script_options::add_symbol_assignment): Always add a
448 dot assignment to script_sections_.
449 * script-sections.cc (Script_sections::add_dot_assignment):
450 Initialize if necessary.
452 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
453 program headers with no load segment if there is a linker script.
455 * layout.cc (Layout::set_segment_offsets): Align the file offset
456 to the segment aligment for -N or -n with no load segment.
457 * output.cc (Output_segment::add_output_section): Don't crash if
458 the first section is a TLS section.
459 (Output_segment::set_section_list_addresses): Print an error
460 message if the address moves backward in a linker script.
462 (Output_section_element_input::set_section_addresses): Don't
463 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
464 (Orphan_output_section::set_section_addresses): Likewise.
466 2009-10-15 Doug Kwan <dougkwan@google.com>
468 * layout.cc (Layout::finish_dynamic_section): Generate tags
469 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
470 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
471 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
473 2009-10-14 Ian Lance Taylor <iant@google.com>
475 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
477 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
478 data_shdr fields of relinfo.
479 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
480 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
481 R_386_TLS_LDO_32, adjust based on section flags.
482 (Target_i386::Relocate::fix_up_ldo): Remove.
484 2009-10-13 Ian Lance Taylor <iant@google.com>
486 Add support for -pie.
487 * options.h (class General_options): Add -pie and
489 (General_options::output_is_position_independent): Test -pie.
490 (General_options::output_is_executable): Return true if not shared
492 (General_options::output_is_pie): Remove.
493 * options.cc (General_options::finalize): Reject incompatible uses
495 * gold.cc (queue_middle_tasks): A -pie link is not static.
496 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
497 * symtab.cc (Symbol::final_value_is_known): Return false if
498 output_is_position_independent.
499 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
500 output_is_position_independent.
501 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
502 output_is_position_independent.
503 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
504 output_is_position_independent.
505 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
507 (basic_pie_test.o, basic_pie_test): New targets.
508 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
509 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
510 (two_file_pie_test): New target.
511 * testsuite/Makefile.in: Rebuild.
512 * README: Remove note saying that -pie is not supported.
514 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
516 * options.h (class General_options): Add -init and -fini.
517 * layout.cc (Layout::finish_dynamic_section): Emit
518 given init and fini functions.
520 2009-10-13 Sriraman Tallam <tmsriram@google.com>
522 * gc.h (gc_process_relocs): Check if icf is enabled using new
524 * gold.cc (queue_initial_tasks): Likewise.
525 (queue_middle_tasks): Likewise.
526 * object.cc (do_layout): Likewise.
527 * symtab.cc (is_section_folded): Likewise.
528 * main.cc (main): Likewise.
529 * reloc.cc (Read_relocs::run): Likewise.
530 (Sized_relobj::do_scan_relocs): Likewise.
531 * icf.cc (is_function_ctor_or_dtor): New function.
532 (Icf::find_identical_sections): Check if function is ctor or dtor when
534 * options.h (General_options::icf): Change option to be an enum.
535 (Icf_status): New enum.
536 (icf_enabled): New method.
537 (icf_safe_folding): New method.
538 (set_icf_status): New method.
539 (icf_status_): New variable.
540 * (options.cc) (General_options::finalize): Set icf_status_.
541 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
542 icf_test and icf_keep_unique_test to use the --icf enum flag.
543 * testsuite/icf_safe_test.sh: New file.
544 * testsuite/icf_safe_test.cc: New file.
546 2009-10-12 Sriraman Tallam <tmsriram@google.com>
548 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
549 includes to gc.h and icf.h.
550 * arm.cc: Include gc.h.
553 * powerpc.cc: Likewise.
554 * sparc.cc: Likewise.
555 * x86_64.cc: Likewise.
556 * gc.h: Include icf.h.
558 2009-10-11 Ian Lance Taylor <iant@google.com>
560 * plugin.cc: Include "gold.h" before other header files.
562 2009-10-10 Chris Demetriou <cgd@google.com>
564 * options.h (Input_file_argument::Input_file_type): New enum.
565 (Input_file_argument::is_lib_): Replace with...
566 (Input_file_argument::type_): New member.
567 (Input_file_argument::Input_file_argument): Take Input_file_type
568 'type' rather than boolean 'is_lib' as second argument.
569 (Input_file_argument::is_lib): Use type_.
570 (Input_file_argument::is_searched_file): New function.
571 (Input_file_argument::may_need_search): Handle is_searched_file.
572 * options.cc (General_options::parse_library): Support -l:filename.
573 (General_options::parse_just_symbols): Update for Input_file_argument
575 (Command_line::process): Likewise.
576 * archive.cc (Archive::get_file_and_offset): Likewise.
577 * plugin.cc (Plugin_manager::release_input_file): Likewise.
578 * script.cc (read_script_file, script_add_file): Likewise.
579 * fileread.cc (Input_file::Input_file): Likewise.
580 (Input_file::will_search_for): Handle is_searched_file.
581 (Input_file::open): Likewise.
582 * readsyms.cc (Read_symbols::get_name): Likewise.
583 * testsuite/Makefile.am (searched_file_test): New test.
584 * testsuite/Makefile.in: Regenerate.
585 * testsuite/searched_file_test.cc: New file.
586 * testsuite/searched_file_test_lib.cc: New file.
588 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
589 Ian Lance Taylor <iant@google.com>
591 * descriptor.cc: Include <cstdio> and "binary-io.h".
592 (Descriptors::open): Open the files in binary mode always.
593 * script.cc (Lex::get_token): Treat \r as whitespace.
595 2009-10-09 Ian Lance Taylor <iant@google.com>
597 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
599 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
600 Ian Lance Taylor <iant@google.com>
602 * configure.ac: Check for readv function also.
603 * fileread.cc (readv): Define if not HAVE_READV.
604 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
606 * config.in: Regenerate.
607 * configure: Regenerate.
609 2009-10-09 Doug Kwan <dougkwan@google.com>
611 * layout.cc (Layout::make_output_section): Call target hook to make
612 ordinary output section.
613 (Layout::finalize): Adjust parameter list of call the
615 * layout.h (class Layout::section_list): New method.
616 * merge.h (Output_merge_base::entsize): Change visibility to public.
617 (Output_merge_base::is_string, Output_merge_base::do_is_string):
619 (Output_merge_string::do_is_string): New method.
620 * object.cc (Sized_relobj::do_setup): renamed from
621 Sized_relobj::set_up.
622 * object.h (Sized_relobj::adjust_shndx,
623 Sized_relobj::initializ_input_to_output_maps,
624 Sized_relobj::free_input_to_output_maps): Change visibilities to
626 (Sized_relobj::setup): Virtualize.
627 (Sized_relobj::do_setup): New method declaration.
628 (Sized_relobj::invalidate_section_offset,
629 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
630 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
631 * options.cc (parse_int): New function.
632 * options.h (parse_int): New declaration.
633 (DEFINE_int): New macro.
634 (stub_group_size): New option.
635 * output.cc (Output_section::Output_section): Initialize memebers
636 merge_section_map_, merge_section_by_properties_map_,
637 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
638 (Output_section::add_input_section): Handled deferred code-fill
639 generation and remove an old comment.
640 (Output_section::add_relaxed_input_section): New method definition.
641 (Output_section::add_merge_input_section): Use merge section by
642 properties map to speed to search. Update merge section maps
644 (Output_section::build_relaxation_map): New method definition.
645 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
647 (Output_section::relax_input_section): Renamed to
648 Output_section::convert_input_sections_to_relaxed_sections and change
649 interface to take a vector of pointers to relaxed sections.
650 (Output_section::find_merge_section,
651 Output_section::find_relaxed_input_section): New method definitions.
652 (Output_section::is_input_address_mapped,
653 Output_section::output_offset, Output_section::output_address):
654 Use output section data maps to speed up searching.
655 (Output_section::find_starting_output_address): Add comments.
656 (Output_section::do_write,
657 Output_section::write_to_postprocessing_buffer): Do code-fill
658 generation as appropriate.
659 (Output_section::get_input_sections): Invalidate relaxed input section
661 (Output_section::restore_states): Adjust type of checkpoint .
662 Invalidate relaxed input section map.
663 * output.h (Output_merge_base): New class declaration.
664 (Input_section_specifier): New class defintion.
665 (class Output_relaxed_input_section) Change base class to
666 Output_section_data_build.
667 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
668 base class initializer.
669 (Output_section::add_relaxed_input_section): New method declaration.
670 (Output_section::Input_section): Change visibility to protected.
671 (Output_section::Input_section::relobj,
672 Output_section::Input_section::shndx): Handle relaxed input sections.
673 Output_section::input_sections) Change visibility to protected. Also
674 define overload to return a non-const pointer.
675 (Output_section::Merge_section_properties): New class defintion.
676 (Output_section::Merge_section_by_properties_map,
677 Output_section::Output_section_data_by_input_section_map,
678 Output_section::Relaxation_map): New types.
679 (Output_section::relax_input_section): Rename method to
680 Output_section::convert_input_sections_to_relaxed_sections and change
681 interface to take a vector of relaxed section pointers.
682 (Output_section::find_merge_section,
683 Output_section::find_relaxed_input_section,
684 Output_section::build_relaxation_map,
685 Output_section::convert_input_sections_in_list_to_relaxed_sections):
686 New method declarations.
687 (Output_section::merge_section_map_
688 Output_section::merge_section_by_properties_map_,
689 Output_section::relaxed_input_section_map_,
690 Output_section::is_relaxed_input_section_map_valid_,
691 Output_section::generate_code_fills_at_write_): New data members.
693 (Output_section_element_input::set_section_addresses): Call
694 current_data_size and addralign methods of relaxed input sections.
695 (Orphan_output_section::set_section_addresses): Call current_data_size
696 and addralign methods of relaxed input sections.
697 * symtab.cc (Symbol_table::compute_final_value): Extract template
698 from the body of Symbol_table::sized_finalize_symbol.
699 (Symbol_table::sized_finalized_symbol): Call
700 Symbol_table::compute_final_value.
701 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
702 (Symbol_table::compute_final_value): New templated method declaration.
703 * target.cc (Target::do_make_output_section): New method defintion.
704 * target.h (Target::make_output_section): New method declaration.
705 (Target::relax): Add more parameters for input objects, symbol table
706 and layout. Adjust call to do_relax.
707 (Target::do_make_output_section): New method declaration.
708 (Target::do_relax): Add parameters for input objects, symbol table
711 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
713 * pread.c: Include stdio.h.
715 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
717 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
720 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
722 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
723 Change read_shndx type to unsigned int.
724 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
726 (Sized_dwarf_line_info::read_line_mappings): Likewise.
727 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
728 Change read_shndx type to unsigned int.
729 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
731 (Sized_dwarf_line_info::read_line_mappings): Likewise.
732 * layout.cc (Layout::create_symtab_sections): Cast the result of
733 local_symcount * symsize to off_t in the gold_assert.
735 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
737 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
738 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
740 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
741 (Arm_relocate_functions::thm_abs5): New function.
742 (Arm_relocate_functions::abs12): New function.
743 (Arm_relocate_functions::abs16): New function.
744 (Arm_relocate_functions::base_abs): New function.
745 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
746 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
747 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
749 (Scan::global): Likewise.
750 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
751 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
752 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
753 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
756 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
758 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
759 (Arm_relocate_functions::movt_prel): New function.
760 (Arm_relocate_functions::thm_movw_prel_nc): New function.
761 (Arm_relocate_functions::thm_movt_prel): New function.
762 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
763 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
764 (Scan::global, Relocate::relocate): Likewise.
765 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
767 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
769 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
771 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
773 (class Incremental_inputs_header): New class.
774 (Incremental_inputs_header_writer): Edit comment.
775 (Incremental_inputs_entry): New class.
776 (Incremental_inputs_entry_writer): Edit comment.
777 (Sized_incremental_binary::do_find_incremental_inputs_section):
778 Add *strtab_shndx parameter, fill it.
779 (Sized_incremental_binary::do_check_inputs): New method.
780 (Incremental_checker::can_incrementally_link_output_file): Use
781 Sized_incremental_binary::check_inputs.
782 (Incremental_inputs::report_command_line): Save command line in
785 (Incremental_binary::find_incremental_inputs_section): New
787 (Incremental_binary::do_find_incremental_inputs_section): Add
788 strtab_shndx parameter.
789 (Incremental_binary::do_check_inputs): New pure virtual method.
790 (Sized_incremental_binary::do_check_inputs): Declare.
791 (Incremental_checker::Incremental_checker): Add incremental_inputs
792 parameter, use it to initialize incremental_inputs_.
793 (Incremental_checker::incremental_inputs_): New field.
794 (Incremental_checker::command_line): New method.
795 (Incremental_checker::inputs): New method.
796 (Incremental_checker::command_line_): New field.
798 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
800 * incremental.cc: Include <cstdarg> and "target-select.h".
801 (vexplain_no_incremental): New function.
802 (explain_no_incremental): New function.
803 (Incremental_binary::error): New method.
804 (Sized_incremental_binary::do_find_incremental_inputs_section): New
806 (make_sized_incremental_binary): New function.
807 (open_incremental_binary): New function.
808 (can_incrementally_link_file): Add checks if output is ELF and has
810 * incremental.h: Include "elfcpp_file.h" and "output.h".
811 (Incremental_binary): New class.
812 (Sized_incremental_binary): New class.
813 (open_incremental_binary): Declare.
814 * object.cc (is_elf_object): Use
815 elfcpp::Elf_recognizer::is_elf_file.
816 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
817 * output.h (Output_file::filesize): New method.
819 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
821 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
823 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
824 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
826 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
828 (Arm_relocate_functions::movw_abs_nc): New function.
829 (Arm_relocate_functions::movt_abs): New function.
830 (Arm_relocate_functions::thm_movw_abs_nc): New function.
831 (Arm_relocate_functions::thm_movt_abs): New function.
832 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
833 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
834 (Scan::global): Likewise.
835 (Relocate::relocate): Likewise.
836 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
838 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
840 * arm.cc (Arm_relocate_functions::got_prel) New function.
841 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
842 (Relocate::relocate): Likewise.
843 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
845 2009-10-06 Ian Lance Taylor <iant@google.com>
847 * options.h (class General_options): Define
848 split_stack_adjust_size parameter.
849 * object.h (class Object): Add uses_split_stack_ and
850 has_no_split_stack_ fields. Add uses_split_stack and
851 has_no_split_stack accessor functions. Declare
852 handle_split_stack_section.
853 (class Reloc_symbol_changes): Define.
854 (class Sized_relobj): Define Function_offsets. Declare
855 split_stack_adjust, split_stack_adjust_reltype, and
857 * object.cc (Object::handle_split_stack_section): New function.
858 (Sized_relobj::do_layout): Call handle_split_stack_section.
859 * dynobj.cc (Sized_dynobj::do_layout): Call
860 handle_split_stack_section.
861 * reloc.cc (Sized_relobj::relocate_sections): Call
862 split_stack_adjust for executable sections in split_stack
863 objects. Pass reloc_map to relocate_section.
864 (Sized_relobj::split_stack_adjust): New function.
865 (Sized_relobj::split_stack_adjust_reltype): New function.
866 (Sized_relobj::find_functions): New function.
867 * target-reloc.h: Include "object.h".
868 (relocate_section): Add reloc_symbol_changes parameter. Change
870 * target.h (class Target): Add calls_non_split method. Declare
871 do_calls_non_split virtual method. Declare match_view and
873 * target.cc: Include "elfcpp.h".
874 (Target::do_calls_non_split): New function.
875 (Target::match_view): New function.
876 (Target::set_view_to_nop): New function.
877 * gold.cc (queue_middle_tasks): Give an error if mixing
878 split-stack and non-split-stack objects with -r.
879 * i386.cc (Target_i386::relocate_section): Add
880 reloc_symbol_changes parameter.
881 (Target_i386::do_calls_non_split): New function.
882 * x86_64.cc (Target_x86_64::relocate_section): Add
883 reloc_symbol_changes parameter.
884 (Target_x86_64::do_calls_non_split): New function.
885 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
887 * powerpc.cc (Target_powerpc::relocate_section): Add
888 reloc_symbol_changes parameter.
889 * sparc.cc (Target_sparc::relocate_section): Add
890 reloc_symbol_changes parameter.
891 * configure.ac: Call AM_CONDITIONAL for the default target.
892 * configure: Rebuild.
893 * testsuite/Makefile.am (TEST_AS): New variable.
894 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
895 (check_DATA): Add split_i386 and split_x86_64 files.
896 (SPLIT_DEFSYMS): Define.
897 (split_i386_[1234n].o): New targets.
898 (split_i386_[124]): New targets.
899 (split_i386_[1234r].stdout): New targets.
900 (split_x86_64_[1234n].o): New targets.
901 (split_x86_64_[124]): New targets.
902 (split_x86_64_[1234r].stdout): New targets.
903 (MOSTLYCLEANFILES): Add new executables.
904 * testsuite/split_i386.sh: New file.
905 * testsuite/split_x86_64.sh: New file.
906 * testsuite/split_i386_1.s: New file.
907 * testsuite/split_i386_2.s: New file.
908 * testsuite/split_i386_3.s: New file.
909 * testsuite/split_i386_4.s: New file.
910 * testsuite/split_i386_n.s: New file.
911 * testsuite/split_x86_64_1.s: New file.
912 * testsuite/split_x86_64_2.s: New file.
913 * testsuite/split_x86_64_3.s: New file.
914 * testsuite/split_x86_64_4.s: New file.
915 * testsuite/split_x86_64_n.s: New file.
916 * testsuite/testfile.cc (Target_test): Update relocation_section
918 * testsuite/Makefile.in: Rebuild.
920 2009-10-06 Ian Lance Taylor <iant@google.com>
922 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
923 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
924 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
925 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
926 the address on ldo_addrs_.
927 (Target_i386::Relocate::fix_up_ldo): New function.
929 2009-10-06 Rafael Espindola <espindola@google.com>
931 * plugin.cc (add_input_library): New.
932 (Plugin::load): Add add_input_library to tv.
933 (Plugin_manager::add_input_file): Add the is_lib argument.
934 (add_input_file): Update call to Plugin_manager::add_input_file.
935 (add_input_library): New.
936 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
938 2009-09-30 Doug Kwan <dougkwan@google.com>
940 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
941 symbol and call Symbol::may_need_copy_reloc to determine if
942 a copy reloc is needed.
943 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
944 nocopyreloc is given in command line.
945 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
946 given in command line.
947 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
948 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
949 of the removed Target_i386::may_need_copy_reloc.
950 * options.h (copyreloc): New option with default value false.
951 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
952 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
953 instead of the removed Target_powerpc::may_need_copy_reloc.
954 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
955 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
956 instead of the removed Target_sparc::may_need_copy_reloc.
957 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
958 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
959 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
960 instead of the removed Target_x86_64::may_need_copy_reloc.
962 2009-09-30 Ian Lance Taylor <iant@google.com>
964 * object.h (class Object): Remove target_ field, and target,
965 sized_target, and set_target methods.
966 (Object::sized_target): Remove.
967 (class Sized_relobj): Update declarations. Remove sized_target.
968 * object.cc (Sized_relobj::setup): Remove target parameter.
970 (Input_objects::add_object): Don't do anything with the target.
971 (make_elf_sized_object): Add punconfigured parameter. Change all
972 callers. Set or test parameter target.
973 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
975 * parameters.cc (Parameters::set_target): Change parameter type to
977 (Parameters::default_target): Remove.
978 (set_parameters_target): Change parameter type to be non-const.
979 (parameters_force_valid_target): New function.
980 (parameters_clear_target): New function.
981 * parameters.h (class Parameters): Update declarations. Remove
982 default_target method. Add sized_target and clear_target
983 methods. Change target_ to be non-const.
984 (set_parameters_target): Update declaration.
985 (parameters_force_valid_target): Declare.
986 (parameters_clear_target): Declare.
987 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
988 as NULL if we aren't searching.
989 (Add_symbols::run): Don't check for compatible target.
990 * fileread.cc (Input_file::open_binary): Call
991 parameters_force_valid_target.
992 * gold.cc (queue_middle_tasks): Likewise.
993 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
994 set_target on object.
995 * dynobj.h (class Sized_dynobj): Update declarations.
996 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
997 make_elf_object returns NULL.
998 (Archive::include_member): Don't check whether object target is
1000 * output.cc (Output_section::add_input_section): Get target from
1002 (Output_section::relax_input_section): Likewise.
1003 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1005 (Sized_relobj::do_scan_relocs): Likewise.
1006 (Sized_relobj::relocate_sections): Likewise.
1007 * resolve.cc (Symbol_table::resolve): Likewise.
1008 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
1009 parameter. Change all callers.
1010 (Symbol_table::add_from_object): Get target from parameters.
1011 (Symbol_table::add_from_relobj): Don't check object target.
1012 (Symbol_table::add_from_dynobj): Likewise.
1013 (Symbol_table::define_special_symbol): Get target from
1015 * symtab.h (class Symbol_table): Update declaration.
1016 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1017 parameter. Change all callers. Clear parameter target.
1018 (Binary_test): Test target here.
1019 * testsuite/object_unittest.cc (gold_testsuite): Remove
1020 target_test_pointer parameter. Change all callers.
1021 (Object_test): Test target here.
1023 2009-09-26 Ian Lance Taylor <iant@google.com>
1025 * testsuite/initpri1.c: Don't try to use constructor priorities if
1026 compiling with gcc before 4.3.
1028 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
1030 * testsuite/retain_symbols_file_test.sh (check_present): Change
1031 output file name to retain_symbols_file_test.stdout.
1032 (check_absent): Likewise.
1034 2009-09-18 Craig Silverstein <csilvers@google.com>
1036 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1037 * options.cc: Include <cerrno> and <fstream>.
1038 (General_options::finalize): Parse -retain-symbols-file tag.
1039 * options.h: New flag.
1040 (General_options): New method should_retain_symbol, new
1041 variable symbols_to_retain.
1042 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1043 should_retain_symbol map.
1044 * testsuite/Makefile.am (retain_symbols_file_test): New test.
1045 * testsuite/Makefile.in: Regenerate.
1046 * testsuite/retain_symbols_file_test.sh: New file.
1048 2009-09-18 Nick Clifton <nickc@redhat.com>
1050 * po/es.po: Updated Spanish translation.
1052 2009-09-17 Doug Kwan <dougkwan@google.com>
1054 * debug.h (DEBUG_RELAXATION): New constant.
1055 (DEBUG_ALL): Add DEBUG_RELAXATION.
1056 (debug_string_to_enum): Add relaxation debug option.
1058 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1059 Layout::Relaxation_debug_check::read_sections,
1060 Layout::Relaxation_debug_check::read_sections): New method definitions.
1061 (Layout::Layout): Initialize data members
1062 record_output_section_data_from_scrips_,
1063 script_output_section_data_list_ and relaxation_debug_check_.
1064 (Layout::save_segments, Layout::restore_segments,
1065 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1066 Layout::relaxation_loop_body): New method definitions.
1067 (Layout::finalize): Support relaxation. Move section layout code to
1068 Layout::relaxation_loop_body.
1069 (Layout::set_asection_address_from_script): Move code for orphan
1070 section placement out.
1071 (Layout::place_orphan_sections_in_script): New method definition.
1072 * layout.h (Output_segment_headers, Output_file_header):
1073 New forward class declarations.
1074 (Layout::~Layout): Define.
1075 (Layout::new_output_section_data_from_script): New method definition.
1076 (Layout::place_orphan_sections_in_script): New method declaration.
1077 (Layout::Segment_states): New type declaration.
1078 (Layout::save_segments, Layout::restore_segments,
1079 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1080 Layout::relaxation_loop_body): New method declarations.
1081 (Layout::Output_section_data_list): New type declaration.
1082 (Layout::Relaxation_debug_check): New class definition.
1083 (Layout::record_output_section_data_from_script_,
1084 Layout::script_output_section_data_list_, Layout::segment_states_,
1085 Layout::relaxation_debug_check_): New data members.
1086 * output.cc: (Output_section_headers::do_size): New method definition.
1087 (Output_section_headers::Output_section_headers): Move size
1088 computation to Output_section_headers::do_size.
1089 (Output_segment_headers::do_size): New method definition.
1090 (Output_file_header::Output_file_header): Move size computation to
1091 Output_file_header::do_size and call it.
1092 (Output_file_header::do_size): New method definition.
1093 (Output_data_group::Output_data_group): Adjust call to
1094 Output_section_data.
1095 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1096 (Output_symtab_xindex::do_write): Add array bound check.
1097 (Output_section::Input_section::print_to_mapfile): Handle
1098 RELAXED_INPUT_SECTION_CODE.
1099 (Output_section::Output_section): Initialize data member checkpoint_.
1100 (Output_section::~Output_section): Delete checkpoint object pointed
1102 (Output_section::add_input_section): Always add an Input_section if
1104 (Output_section::add_merge_input_section): Add assert.
1105 (Output_section::relax_input_section): New method definition.
1106 (Output_section::set_final_data_size): Set load address to zero for
1107 an unallocated section.
1108 (Output_section::do_address_and_file_offset_have_reset_values):
1109 New method definition.
1110 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1111 Handle relaxed input section.
1112 (Output_section::sort_attached_input_sections): Checkpoint input
1113 section list lazily.
1114 (Output_section::get_input_sections): Change type of input_sections to
1115 list of Simple_input_section pointers. Checkpoint input section list
1116 lazily. Also handle relaxed input sections.
1117 (Output_section::add_input_section_for_script): Take a reference to
1118 a Simple_input_section object instead of Relobj pointer and section
1119 index as parameter. Handle relaxed input sections.
1120 (Output_section::save_states, Output_section::restore_states): New
1122 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1123 (Output_data::is_data_size_fixed): New method definition.
1124 (Output_data::reset_addresss_and_file_offset): Do not reset data size
1126 (Output_data::address_and_file_offset_have_reset_values): New method
1128 (Output_data::do_address_and_file_offset_have_reset_values): New method
1130 (Output_data::set_data_size): Check that data size is not fixed.
1131 (Output_data::fix_data_size): New method definition.
1132 (Output_data::is_data_size_fixed_): New data member.
1133 (Output_section_headers::set_final_data_size): New method definition.
1134 (Output_section_headers::do_size): New method declaration.
1135 (Output_segment_headers::set_final_data_size): New method definition.
1136 (Output_segment_headers::do_size): New method declaration.
1137 (Output_file_header::set_final_data_size)::New method definition.
1138 (Output_file_header::do_size)::New method declaration.
1139 (Output_section_data::Output_section_data): Add new parameter
1140 is_data_size_fixed and use it to fix data size.
1141 (Output_data_const::Output_data_const): Adjust call to base class
1142 constructor and fix data size.
1143 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1144 base class constructor and fix data size.
1145 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1146 base class constructor and fix data size.
1147 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1148 class constructor and fix data size.
1149 (Output_data_group::set_final_data_size): New method definition.
1150 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1151 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1152 class constructor and fix data size.
1153 (Output_relaxed_input_section): New class definition.
1154 (Output_section::Simple_input_section): New class definition.
1155 (Output_section::get_input_sections): Adjust parameter list.
1156 (Output_section::add_input_section_for_script): Same.
1157 (Output_section::save_states, Output_section::restore_states,
1158 Output_section::do_address_and_file_offset_have_reset_values,
1159 (Output_section::Input_section::Input_section): Handle
1160 RELAXED_INPUT_SECTION_CODE. Add new overload for
1161 Output_relaxed_input_section.
1162 (Output_section::Input_section::is_input_section,
1163 Output_section::Input_section::set_output_section): Handle relaxed
1165 (Output_section::Input_section::is_relaxed_input_section,
1166 Output_section::Input_section::output_section_data,
1167 Output_section::Input_section::relaxed_input_section): New method
1169 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1171 (Output_section::Input_section::u1_): Update comments.
1172 (Output_section::Input_section::u2_): Add new union member poris.
1173 (Output_section::Checkpoint_output_section): New classs definition.
1174 (Output_section::relax_input_section): New method declaration.
1175 (Output_section::checkpoint_): New data member.
1176 (Output_segment): Update comments.
1177 (Output_segment::Output_segment): Un-privatize copy constructor.
1178 (Output_segment::operator=): Un-privatize.
1179 * script-sections.cc (Output_section_element::Input_section_list):
1180 Change element type to Output_section::Simple_input_section.
1181 (Output_section_element_dot_assignment::set_section_addresses):
1182 Register output section data for relaxation clean up.
1183 (Output_data_exression::Output_data_expression): Adjust call to base
1184 constructor to fix data size.
1185 (Output_section_element_data::set_section_addresses): Register
1186 Output_data_expression object for relaxation clean up.
1187 (struct Input_section_info): Replace Relobj pointer and section index
1188 pair with Output_section::Simple_input_section and Convert struct to a
1190 (Input_section_sorter::operator()): Adjust access to
1191 Input_section_info data member to use accessors.
1192 (Output_section_element_input::set_section_addresses): Use layout
1193 parameter. Adjust code to use Output_section::Simple_input_section
1194 and Input_secction_info classes. Register filler for relaxation
1196 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1197 and section index pair with Output_section::Simple_input_section
1198 class. Adjust code accordingly.
1199 (Phdrs_element::release_segment): New method definition.
1200 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1202 (Script_sections::release_segments): New method definition.
1203 * gold/script-sections.h (Script_sections::release_segments): New
1205 * gold/target.h (Target::may_relax, Target::relax,
1206 Target::do_may_relax, Target::do_relax): New method definitions.
1208 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1210 * arm.cc (has_signed_unsigned_overflow): New function.
1211 (Arm_relocate_functions::abs8): New function.
1212 (Target_arm::Scan::local): Handle R_ARM_ABS8.
1213 (Target_arm::Scan::global): Likewise.
1214 (Target_arm::relocate::relocate): Likewise.
1215 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1218 2009-09-16 Cary Coutant <ccoutant@google.com>
1220 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1221 * testsuite/Makefile.in: Regenerate.
1223 2009-09-11 Nick Clifton <nickc@redhat.com>
1225 * po/gold.pot: Updated by the Translation project.
1227 2009-09-08 Cary Coutant <ccoutant@google.com>
1229 * output.cc (Output_file::open): Add execute permission to empty file.
1230 * testsuite/Makefile.am (permission_test): New test.
1231 * testsuite/Makefile.in: Regenerate.
1233 2009-09-02 Ian Lance Taylor <iant@google.com>
1235 * output.cc (Output_file::resize): Call map_no_anonymous rather
1238 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
1240 * gold.cc: Include "incremental.h".
1241 (queue_initial_tasks): Call Incremental_checker methods.
1242 * incremental.cc: Include "output.h".
1243 (Incremental_checker::can_incrementally_link_output_file): New
1245 * incremental.h (Incremental_checker): New class.
1247 * output.cc (Output_file::open_for_modification): New method.
1248 (Output_file::map_anonymous): Changed return type to bool. Record
1250 (Output_file::map_no_anonymous): New method, broken out of map.
1251 (Output_file::map): Use map_no_anonymous and map_anonymous.
1252 * output.h (class Output_file): Update declarations.
1254 2009-08-24 Cary Coutant <ccoutant@google.com>
1256 * options.h (Command_line::Pre_options): New class.
1257 (Command_line::pre_options): New member.
1258 * options.cc (gold::options::ready_to_register): New variable.
1259 (One_option::register_option): Do nothing if not registering options.
1260 Assert if same short option registered twice.
1261 (General_options::General_options): Turn off option registration when
1263 (Command_line::Pre_options::Pre_options): New constructor.
1265 2009-08-24 Cary Coutant <ccoutant@google.com>
1267 * options.h (General_options::no_keep_memory): Remove incorrect
1270 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1272 * Makefile.am (am__skiplex, am__skipyacc): New.
1273 * Makefile.in: Regenerate.
1275 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1277 * Makefile.am (AM_CPPFLAGS): Renamed from ...
1278 (INCLUDES): ... this.
1279 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1280 (AM_CPPFLAGS): Renamed from ...
1281 (INCLUDE): ... this.
1282 * Makefile.in, testsuite/Makefile.in: Regenerate.
1284 * Makefile.in: Regenerate.
1285 * aclocal.m4: Likewise.
1286 * config.in: Likewise.
1287 * configure: Likewise.
1288 * testsuite/Makefile.in: Likewise.
1290 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1291 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1292 * Makefile.in: Regenerate.
1293 * testsuite/Makefile.in: Regenerate.
1295 2009-08-19 Cary Coutant <ccoutant@google.com>
1297 * resolve.cc (Symbol_table::resolve): Don't complain about defined
1298 symbols in shared libraries overridden by hidden or internal symbols
1299 in the main program.
1301 2009-08-19 Chris Demetriou <cgd@google.com>
1303 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1304 checking source file names in error messages.
1306 2009-08-18 Doug Kwan <dougkwan@google.com>
1308 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1309 an elcpp::Ehdr as parameter. Adjust call to set_target.
1310 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1311 an elfcpp::Ehdr as parameter.
1312 * object.cc (Object::set_target): Remove the version that looks up
1313 a target and sets it.
1314 (Sized_relobj::setup): Take a Target object instead of
1315 an elfcpp::Ehdr as parameter. Adjust call to set_target.
1316 (make_elf_sized_object): Find target and ask target to
1318 * object.h: (Object::set_target): Remove the version that looks up
1319 a target and sets it.
1320 (Sized_relobj::setup): Take a Target object instead of
1321 an elfcpp:Ehdr as parameter.
1322 * target.cc: Include dynobj.h.
1323 (Target::do_make_elf_object_implementation): New.
1324 (Target::do_make_elf_object): New.
1325 * target.h (Target::make_elf_object): New template declaration.
1326 (Target::do_make_elf_object): New method declarations.
1327 (Target::do_make_elf_object_implementation): New template declaration.
1329 2009-08-14 Ian Lance Taylor <iant@google.com>
1331 * gold.h (FUNCTION_NAME): Define.
1332 (gold_unreachable): Use FUNCTION_NAME.
1334 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1336 * icf.cc (Icf::find_identical_sections): Issue a warning when a
1337 symbol in the --keep-unique list is not found.
1339 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1341 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1342 been maked as --keep-unique.
1343 (Icf::unfold_section): New function.
1344 * icf.h (Icf::unfold_section): New function.
1345 * options.h (General_options::keep_unique): New option.
1346 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1347 * testsuite/Makefile.in: Regenerate.
1348 * testsuite/icf_keep_unique_test.sh: New file.
1349 * testsuite/icf_keep_unique_test.cc: New file.
1351 2009-08-12 Cary Coutant <ccoutant@google.com>
1354 * resolve.cc (Symbol_table::resolve): Check for references from
1355 dynamic objects to hidden and internal symbols.
1356 * testsuite/Makefile.am (hidden_test.sh): New test.
1357 * testsuite/Makefile.in: Regenerate.
1358 * testsuite/hidden_test.sh: New script.
1359 * testsuite/hidden_test_1.c: New test source.
1360 * testsuite/hidden_test_main.c: New test source.
1362 2009-08-11 Doug Kwan <dougkwan@google.com>
1364 * arm.cc: Update comments.
1365 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1366 segment to locate the .ARM.exidx section if present.
1368 2009-08-09 Doug Kwan <dougkwan@google.com>
1370 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1373 2009-08-07 Sriraman Tallam <tmsriram@google.com>
1374 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1377 2009-08-06 Sriraman Tallam <tmsriram@google.com>
1379 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1380 valid tls_segment only for non-debug-section relocations.
1381 * testsuite/Makefile.am: Add gc_tls_test.
1382 * testsuite/Makefile.in: Regenerate.
1383 * testsuite/gc_tls_test.cc: New file.
1384 * testsuite/gc_tls_test.sh: New file.
1386 2009-08-05 Sriraman Tallam <tmsriram@google.com>
1390 * Makefile.am (CCFILES): Add icf.cc.
1392 * Makefile.in: Regenerate.
1393 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1394 * gc.h (gc_process_relocs): Populate lists used by icf to contain
1395 section, symbol and addend information for the relocs.
1396 * gold.cc (queue_middle_tasks): Call identical code folding.
1397 * gold.h: Add defines for multimap.
1398 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1399 to the call of finalize_local_symbols.
1400 * main.cc (main): Create object of class Icf.
1401 * object.cc (Sized_relobj::do_layout): Allow this function to be
1402 called twice during icf.
1403 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1404 to sections marked as identical by icf.
1405 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1407 (Sized_relobj::do_section_entsize): New function.
1408 * object.h (Object::section_entsize): New function.
1409 (Object::do_section_entsize): New pure virtual function.
1410 (Relobj::finalize_local_symbols): Add new parameter.
1411 (Relobj::do_section_entsize): New function.
1412 * options.h (General_options::icf): New option.
1413 (General_options::icf_iterations): New option.
1414 (General_options::print_icf_sections): New option.
1415 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1416 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1417 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1419 * symtab.cc (Symbol_table::is_section_folded): New function.
1420 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
1421 to sections marked as identical by icf.
1422 * symtab.h (Symbol_table::set_icf): New function.
1423 (Symbol_table::icf): New function.
1424 (Symbol_table::is_section_folded): New function.
1425 (Symbol_table::icf_): New data member.
1426 * target-reloc.h (relocate_section): Ignore sections folded by icf.
1427 * testsuite/Makefile.am: Add commands to build icf_test.
1428 * testsuite/Makefile.in: Regenerate.
1429 * testsuite/icf_test.sh: New file.
1430 * testsuite/icf_test.cc: New file.
1432 2009-07-24 Chris Demetriou <cgd@google.com>
1434 * layout.cc (is_compressible_debug_section): Fix incorrect
1435 comment about compressed section names.
1437 2009-07-20 Ian Lance Taylor <ian@airs.com>
1440 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1442 2009-07-16 Ian Lance Taylor <iant@google.com>
1445 * layout.h: #include <map>.
1446 (class Kept_section): Change from struct to class. Add accessors
1447 and setters. Add section size to Comdat_group mapping. Change
1448 Comdat_group to std::map. Add is_comdat_ field. Add
1449 linkonce_size field in union.
1450 (class Layout): Update declaration of find_or_add_kept_section.
1451 Don't declare find_kept_object.
1452 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1453 parameter. Add object, shndx, is_comdat, and is_group_name
1454 parameters. Change all callers. Adjust for new Kept_section.
1455 (Layout::find_kept_object): Remove.
1456 * object.cc (Sized_relobj::include_section_group): Update use of
1457 Kept_section. Rename secnum to shndx. Only record
1458 Kept_comdat_section if sections are the same size.
1459 (Sized_relobj::include_linkonce_section): Update use of
1460 Kept_section. Only record Kept_comdat_section if sections are the
1461 same size. Set size of linkonce section.
1462 (Sized_relobj::map_to_kept_section): Update call to
1463 get_kept_comdat_section.
1464 * object.h (class Sized_relobj): Rename fields in
1465 Kept_comdat_section to drop trailing underscores; change object
1466 field to Relobj*. Change Kept_comdat_section_table to store
1467 struct rather than pointer.
1468 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1469 Add kept_object and kept_shndx parameters. Change all callers.
1470 (Sized_relobj::get_kept_comdat_section): Change return type to
1471 bool. Add kept_object and kept_shndx parameters. Change all
1473 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1474 Layout::find_or_add_kept_section.
1476 2009-07-09 Ian Lance Taylor <iant@google.com>
1478 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1479 Reserve space in the hash table.
1481 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1483 * fileread.cc (File_read::get_mtime): New method.
1484 * fileread.h (Timespec): New structure.
1485 (File_read::get_mtime): New method.
1486 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1487 Renamed from timestamp_nsec.
1488 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1490 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1492 (Incremental_inputs::report_archive): Save mtime; style fix.
1493 (Incremental_inputs::report_obejct): Save mtime; style fix.
1494 (Incremental_inputs::report_script): Save mtime; style fix.
1495 (Incremental_inputs::finalize_inputs): Style fix.
1496 (Incremental_inputs::finalize): Style fix.
1497 (Incremental_inputs::create_input_section_data): Store inputs
1499 * incremental.h (Incremental_inputs::report_script): Add mtime
1501 (Incremental_inputs::Input_info::Input_info): Intialize only one
1503 (Incremental_inputs::Input_info::archive): Move to nameless
1505 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1506 (Incremental_inputs::Input_info::script): Move to nameless union.
1507 (Incremental_inputs::mtime): New field.
1508 * script.cc (read_input_script): Pass file mtime to
1510 * script.h (Script_info::inputs): Style fix.
1512 2009-07-01 Ian Lance Taylor <ian@airs.com>
1514 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1517 2009-06-24 Ian Lance Taylor <iant@google.com>
1520 * layout.cc (Layout::choose_output_section): If we find an
1521 existing section, update the flags.
1522 (Layout::create_notes): New function, broken out of
1524 (Layout::finalize): Don't create note sections.
1525 (Layout::create_note): Don't crash if linker script discards
1527 (Layout::create_gold_note): Likewise.
1528 (Layout::create_build_id): Likewise. Don't set
1529 after_input_sections on the section.
1530 (Layout::create_executable_stack_info): Remove target parameter.
1532 * layout.h (class Layout): Declare create_notes. Update
1533 declaration of create_executable_stack_info.
1534 * gold.cc (queue_middle_tasks): Call create_notes.
1535 * output.cc (Output_section::update_flags_for_input_section): Move
1536 here from output.h. If SHF_ALLOC flag is newly set, mark address
1538 * output.h (Output_data::mark_address_invalid): New function.
1539 (class Output_section): Only declare, not define,
1540 update_flags_for_input_section. Remove set_flags.
1542 2009-06-24 Ian Lance Taylor <iant@google.com>
1544 * script-sections.cc (Output_section_definition::
1545 set_section_addresses): Rename shadowing local load_address to
1548 2009-06-24 Ian Lance Taylor <iant@google.com>
1551 * reloc.cc (relocate_sections): Skip empty relocation sections.
1553 2009-06-23 Ian Lance Taylor <iant@google.com>
1556 * layout.cc (Layout::create_note): Use choose_output_section
1557 rather than make_output_section.
1559 2009-06-23 Ian Lance Taylor <iant@google.com>
1562 * options.cc (General_options::parse_V): Set printed_version_.
1563 (General_options::General_options): Initialize printed_version_.
1564 * options.h (class General_options): Add printed_version_ field.
1565 * gold.cc (queue_initial_tasks): If there are no input files,
1566 don't give a fatal error if we printed the version information.
1567 (queue_middle_tasks): If using -r with a shared object, give a
1568 fatal error rather than an ordinary error.
1570 2009-06-23 Ian Lance Taylor <iant@google.com>
1573 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1574 (Layout::make_output_section): Set have_stabstr_section_ if we see
1575 a .stab*str section.
1576 (Layout::finalize): Call link_stabs_sections.
1577 (Layout::link_stabs_sections): New file.
1578 * layout.h (class Layout): Add have_stabstr_section_ field.
1579 Declare link_stabs_sections.
1581 2009-06-23 Doug Kwan <dougkwan@google.com>
1583 * Makefile.am (libgold_a_LIBADD): New.
1584 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1585 * Makefile.in: Regenerate.
1586 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1587 * configure: Regenerate.
1588 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1589 * fileread.cc: Include sys/state.h
1590 * gold.h: Declare memmem and strndup if found missing.
1591 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1593 2009-06-23 Ian Lance Taylor <iant@google.com>
1595 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1596 * configure: Rebuild.
1598 2009-06-23 Ian Lance Taylor <iant@google.com>
1601 * object.cc (Object::section_contents): Don't try to get a view if
1602 the section has length zero.
1603 (Object::handle_gnu_warning_section): If the section is empty, use
1604 the name of the section as the warning.
1606 2009-06-23 Ian Lance Taylor <iant@google.com>
1609 * stringpool.h (class Stringpool_template): Add optimize_ field.
1610 (Stringpool_template::set_optimize): New function.
1611 * stringpool.cc (Stringpool_template::Stringpool_template):
1612 Initialize optimize_ field.
1613 (Stringpool_template::set_string_offsets): Test local optimize
1614 fild rather than parameter.
1615 * layout.cc (Layout::Layout): Call set_optimize on the section
1618 2009-06-22 Ian Lance Taylor <iant@google.com>
1621 * yyscript.y: Parse TARGET.
1622 * script.cc (script_set_target): New function.
1623 * script-c.h (script_set_target): Declare.
1624 * options.cc (General_options::string_to_object_format): Rename
1625 from string_to_object_format in anonymous namespace. Change
1627 * options.h (class General_options): Declare
1628 string_to_object_format.
1630 2009-06-22 Ian Lance Taylor <iant@google.com>
1632 * script-sections.cc (Script_sections::create_segments): Don't put
1633 program headers in a PT_LOAD segment if -n or -N.
1635 2009-06-22 Ian Lance Taylor <iant@google.com>
1638 * options.h (class General_options): Add -z lazy and -z now. Sort
1639 -z options into alphabetical order.
1640 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1642 2009-06-21 Ian Lance Taylor <iant@google.com>
1644 * layout.cc (Layout::make_output_section): Call
1645 Target::new_output_section.
1646 (Layout::attach_allocated_section_to_segment): Put large section
1647 sections in a separate load segment with the large segment flag
1649 (Layout::segment_precedes): Sort large data segments after other
1651 (align_file_offset): New static function.
1652 (Layout::set_segment_offsets): Use align_file_offset.
1653 * output.h (class Output_section): Add is_small_section_ and
1654 is_large_section_ fields.
1655 (Output_section::is_small_section): New function.
1656 (Output_section::set_is_small_section): New function.
1657 (Output_section::is_large_section): New function.
1658 (Output_section::set_is_large_section): New function.
1659 (Output_section::is_large_data_section): New function.
1660 (class Output_segment): Add is_large_data_segment_ field.
1661 (Output_segment::is_large_data_segment): New function.
1662 (Output_segment::set_is_large_data_segment): New function.
1663 * output.cc (Output_section::Output_section): Initialize new
1665 (Output_segment::Output_segment): Likewise.
1666 (Output_segment::add_output_section): Add assertion that large
1667 data sections always go in large data segments. Force small data
1668 sections to the end of the list of data sections. Force small BSS
1669 sections to the start of the list of BSS sections. For large BSS
1670 sections to the end of the list of BSS sections.
1671 * symtab.h (class Symbol): Declare is_common_shndx.
1672 (Symbol::is_defined): Check Symbol::is_common_shndx.
1673 (Symbol::is_common): Likewise.
1674 (class Symbol_table): Define enum Commons_section_type. Update
1675 declarations. Add small_commons_ and large_commons_ fields.
1676 * symtab.cc (Symbol::is_common_shndx): New function.
1677 (Symbol_table::Symbol_table): Initialize new fields.
1678 (Symbol_table::add_from_object): Put small and large common
1679 symbols in the right list.
1680 (Symbol_table::sized_finalized_symbol): Check
1681 Symbol::is_common_shndx.
1682 (Symbol_table::sized_write_globals): Likewise.
1683 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1684 common symbol lists. Don't call do_allocate_commons_list if the
1686 (Symbol_table::do_allocate_commons_list): Remove is_tls
1687 parameter. Add comons_section_type parameter. Change all
1688 callers. Handle small and large common symbols.
1689 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1690 Symbol::is_common_shndx.
1691 * resolve.cc (symbol_to_bits): Likewise.
1692 * target.h (Target::small_common_shndx): New function.
1693 (Target::small_common_section_flags): New function.
1694 (Target::large_common_shndx): New function.
1695 (Target::large_common_section_flags): New function.
1696 (Target::new_output_section): New function.
1697 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1698 small_common_section_flags, and large_common_section_flags
1700 (Target::do_new_output_section): New virtual function.
1701 * arm.cc (Target_arm::arm_info): Initialize new fields.
1702 * i386.cc (Target_i386::i386_info): Likewise.
1703 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1705 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1706 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1707 (Target_x86_64::do_new_output_section): New function.
1708 * configure.ac: Define conditional MCMODEL_MEDIUM.
1709 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1710 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1711 (large_LDFLAGS): Define.
1712 * testsuite/large.c: New file.
1713 * testsuite/testfile.cc (Target_test::test_target_info):
1714 Initialize new fields.
1715 * configure, testsuite/Makefile.in: Rebuild.
1717 2009-06-05 Doug Kwan <dougkwan@google.com>
1719 * Makefile.am (CCFILES): Add target.cc.
1720 * Makefile.in: Regenerate.
1721 * i386.cc (class Target_i386): Define new virtual method to
1722 override do_is_local_label_name in parent.
1723 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1724 local symbols if --discard-locals or -X is given.
1725 * options.h (class General_options): Declare new options
1726 '--discard-locals' and '-X' for discarding locals.
1727 * target.h (class Target): Define new methods is_local_label_name.
1728 Declare new virtual method do_is_local_label_name.
1729 * target.cc: New file.
1730 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1731 (check_SCRIPTS): Add discard_locals_test.sh.
1732 (check_DATA): Add discard_local_tests.syms.
1733 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1734 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1735 * testsuite/Makefile.in: Regenerate.
1736 * testsuite/discard_locals_test.c: New file.
1737 * testsuite/discard_locals_test.sh: Same.
1739 2009-06-05 Doug Kwan <dougkwan@google.com>
1741 * object.cc (Sized_relobj::Sized_relobj): Initialize
1742 discarded_eh_frame_shndx_ to -1U.
1743 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1745 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1746 a discarded .eh_frame section.
1747 (Sized_relobj::do_finalize_local_symbols): Ditto.
1748 * object.h (class Sized_relobj): Declare new member
1749 discarded_eh_frame_shndx_.
1750 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1751 (local_labels_test.o, local_labels_test): New rules.
1752 * testsuite/Makefile.in: Regenerate.
1754 2009-06-04 Doug Kwan <dougkwan@google.com>
1756 * layout.cc (Layout::section_name_mapping): Add mapping for
1757 special ARM sections.
1759 2009-06-03 Doug Kwan <dougkwan@google.com>
1761 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1762 (utils::has_overflow): Same.
1764 2009-06-03 Ian Lance Taylor <iant@google.com>
1766 * layout.cc (Layout::section_name_mapping): New array, replacing
1767 Layout::linkonce_mapping.
1768 (Layout::section_name_mapping_count): New variable, replacing
1769 Layout::linkonce_mapping_count.
1770 (Layout::linkonce_output_name): Remove.
1771 (Layout::output_section_name): Rewrite.
1772 * layout.h (class Layout): Rename Linkonce_mapping to
1773 Section_name_mapping, linkonce_mapping to section_name_mapping,
1774 linkonce_mapping_count to section_name_mapping_count. Don't
1775 declare linkonce_output_name.
1777 2009-06-03 Doug Kwan <dougkwan@google.com>
1779 * gold/arm.cc (namespace utils): New.
1780 (Target_arm::reloc_is_non_pic): Define new method.
1781 (class Arm_relocate_functions): New.
1782 (Target_arm::Relocate::relocate): Handle relocation types used by
1785 2009-06-03 Ian Lance Taylor <iant@google.com>
1787 * arm.cc (Target_arm::scan::global): Use || instead of |.
1789 2009-06-02 Doug Kwan <dougkwan@google.com>
1791 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1792 issued_non_pic_error_.
1793 (class Target_arm::Scan): Declare new method check_non_pic.
1794 Define new method symbol_needs_plt_entry.
1795 Declare new data member issued_non_pic_error_.
1796 (class Target_arm::Relocate): Declare new method
1797 should_apply_static_reloc.
1798 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1799 (Target_arm::Scan::check_non_pic): Define new method.
1800 (Target_arm::Scan::local): Handle a small subset of reloc types used
1802 (Target_arm::Scan::local): Same.
1803 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1805 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1807 * incremental.cc (Incremental_inputs::report_command_line): Filter
1808 out --incremental-* options.
1810 2009-05-29 Doug Kwan <dougkwan@google.com>
1812 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1814 (class Target_arm): Update comment.
1815 (Target_arm::Target_arm): Initialize new data members GOT_,
1816 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1817 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1818 and Target_arm::rel_dyn_section.
1819 Declare new_enum Target_arm::Got_type.
1820 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1822 Update commments for member do_dynsym_value.
1823 (Target_arm::got_size, Target_arm::plt_section,
1824 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1825 new methods inside class defintion.
1826 (Target_arm::got_section): Define new method.
1827 (Target_arm::rel_dyn_section): Same.
1828 (Output_data_plt_arm): New template class.
1829 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1830 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1831 (Output_data_plt_arm::add_entry): Same.
1832 (Output_data_plt_arm::first_plt_entry): Define new
1833 static data member for PLT instruction template.
1834 (Output_data_plt_arm::plt_entry): Same.
1835 (Output_data_plt_arm::do_write): Define new method.
1836 (Target_arm::make_plt_entry): Same.
1837 (Target_arm::do_finalize_sections): Same.
1838 (Target_arm::do_dynsym_value): Same.
1840 2009-05-28 Doug Kwan <dougkwan@google.com>
1842 * Makefile.am (TARGETSOURCES): Add arm.cc.
1843 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1844 * Makefile.in: Regenerate.
1846 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1848 2009-05-26 Doug Kwan <dougkwan@google.com>
1850 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1851 (General_options::check_excluded_libs): Strip off directories in
1852 archive name before matching like GNU ld does.
1853 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1854 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1855 (exclude_libs_test_LDFLAGS): Add linker option
1856 -Wl,--exclude-libs,libexclude_libs_test_3
1857 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1858 an explicit archive without using -l.
1859 (alt/libexclude_libs_test_3.a): New make rule.
1860 * testsuite/Makefile.in: Regenerate.
1861 * testsuite/exclude_libs_test.c : Declare lib3_default().
1863 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1864 * exclude_libs_test_3.c: New file.
1866 2009-05-26 Nick Clifton <nickc@redhat.com>
1868 * po/id.po: New Indonesian translation.
1869 * po/gold.pot: Updated template file.
1871 2009-05-22 Sriraman Tallam <tmsriram@google.com>
1873 * testsuite/Makefile.am: Add -ffunction-sections to compile
1874 gc_comdat_test files. Add -Wl,--gc-sections to build
1876 * testsuite/Makefile.in: Regenerate.
1877 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1879 2009-05-21 Sriraman Tallam <tmsriram@google.com>
1881 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1882 kept comdat section was garbage collected.
1883 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1884 * testsuite/Makefile.in: Regenerate.
1885 * testsuite/gc_comdat_test.sh: New file.
1886 * testsuite/gc_comdat_test_1.cc: New file.
1887 * testsuite/gc_comdat_test_2.cc: New file.
1889 2009-05-19 Doug Kwan <dougkwan@google.com>
1891 * archive.cc (Archive::Archive): Move constructor from archive.h
1892 to here. Initialize no_export_.
1893 (Archive::get_elf_object_for_member): Set no_export flag of object.
1894 * archive.h (Archive::Archive): Move constructor body to
1896 (Archive::no_export): New method.
1897 (Archive::no_export_): New field.
1898 * object.h (Object::Object): Initialize no_export_ to false.
1899 (Object::no_export, Object::set_no_export): New methods.
1900 (Object::no_export_): New field.
1901 * options.cc (General_options::parse_exclude_libs): New method.
1902 (General_options::check_excluded_libs) Same.
1903 * options.h (exclude_libs): New option.
1904 (General_options::check_excluded_libs): New method declaration.
1905 (General_options::excluded_libs_): New field.
1906 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1907 default or protected visibility if an object has no-export flag set.
1908 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1909 (check_SCRIPTS): Add exclude_libs_test.sh.
1910 (check_DATA): Add exclude_libs_test.syms.
1911 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1912 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1913 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1914 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1915 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1916 libexclude_libs_test_2.a): New rules.
1917 * testsuite/Makefile.in: Regenerate.
1918 * testsuite/exclude_libs_test.c: New file.
1919 * testsuite/exclude_libs_test.sh: Ditto.
1920 * testsuite/exclude_libs_test_1.c: Ditto.
1921 * testsuite/exclude_libs_test_2.c: Ditto.
1923 2009-05-15 Ian Lance Taylor <iant@google.com>
1925 * configure.ac: Check for declarations for cases where libiberty.h
1926 checks HAVE_DECL_xxx.
1927 * configure, config.in: Rebuild.
1929 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1931 * gold.h (Incremental_argument_list): Remove (invalid) forward
1933 * incremental.cc (Incremental_inputs::report_achive): New method.
1934 (Incremental_inputs::report_object): New method.
1935 (Incremental_inputs::report_script): New method.
1936 (Incremental_inputs::finalize_inputs): New method.
1937 (Incremental_inputs::finalize): Call finalize_inputs().
1938 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1939 Create inputs entries.
1940 * incremental.h (Incremental_input_type): New enum.
1941 (Incremental_inputs::Incremental_input): Initialize new fields.
1942 (Incremental_inputs::report_inputs): New method.
1943 (Incremental_inputs::report_achive): New method.
1944 (Incremental_inputs::report_object): New method.
1945 (Incremental_inputs::report_script): New method.
1946 (Incremental_inputs::finalize_inputs): New method.
1947 (Incremental_inputs::Input_info): New struct.
1948 (Incremental_inputs::Input_info_map): New typedef.
1949 (Incremental_inputs::lock_): New field.
1950 (Incremental_inputs::Inputs_): New field.
1951 (Incremental_inputs::Inputs_map): New field.
1952 * main.cc (main): Call Incremental_input::report_inputs.
1953 * options.h (Input_argument_list): Typedef moved from
1955 (Input_file_group::Files): Remove, use ::Input_argument_list.
1956 (Input_file_group::Input_argument_list): Remove, use
1957 ::Input_argument_list.
1958 * plugin.cc (Plugin_manager::add_input_file): Add error in
1960 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1962 * script.cc (read_input_script): Call
1963 Incremental_input::report_script.
1964 * script.h (Script_info): New class.
1966 2009-04-27 Ian Lance Taylor <iant@google.com>
1968 * x86_64.cc (do_adjust_output_section): Set entsize to
1971 2009-04-23 Elliott Hughes <enh@google.com>
1973 * output.cc (Output_file::close): After short writes, continue
1974 writing from the correct offset in the buffer being written.
1976 2009-04-23 Chris Demetriou <cgd@google.com>
1978 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1979 * configure: Regenerate.
1980 * config.in: Regenerate.
1981 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1982 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1984 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
1986 * incremental.cc (Incremental_inputs_header_data): Renamed from
1987 Incremental_input_header_data.
1988 (Incremental_inputs_header_data::data_size): New field.
1989 (Incremental_inputs_header_data::put_input_file_count): Renamed
1990 from input_file_count.
1991 (Incremental_inputs_header_data::put_command_line_offset): Renamed
1992 from command_line_offset.
1993 (Incremental_inputs_header_data::put_reserved): Renamed from
1995 (Incremental_inputs_entry_data): Renamed from
1996 Incremental_input_entry_data.
1997 (Incremental_inputs_entry_data::data_size): New field.
1998 (Incremental_inputs::report_command_line): New method.
1999 (Incremental_inputs::finalize): New method.
2000 (Incremental_inputs::create_incremental_inputs_data): New method.
2001 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2002 * incremental.h: New file.
2003 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2004 (Layout::finalize): Create incremental inputs section in
2006 (Layout::create_incremental_info_sections): New method.
2007 * layout.h (Layout::incremental_inputs): New method.
2008 (Layout::create_incremental_info_sections): New method.
2009 (Layout::incremental_inputs_): New field.
2010 * main.cc (main): Notify Incremental_input of the command line.
2012 2009-04-01 Ian Lance Taylor <iant@google.com>
2013 Mikolaj Zalewski <mikolajz@google.com>
2015 * gold.h (reserve_unordered_map): Define, three versions, one for
2016 each version of Unordered_map.
2017 * layout.cc (Layout::Layout): Remove options parameter. Add
2018 number_of_input_files parameter. Don't initialize options_.
2019 Initialize number_of_input_files_ and resized_signatures_. Move
2020 sections_are_attached_.
2021 (Layout::layout_group): Reserve space for group_signatures_.
2022 (Layout::find_or_add_kept_section): Change name parameter to be a
2023 reference. Resize signatures_ map when it gets large enough.
2024 (Layout::layout_eh_frame): Use parameters->options() instead of
2026 (Layout::make_output_section): Likewise.
2027 (Layout::attach_allocated_section_to_segment): Likewise.
2028 (Layout::finalize, Layout::create_executable_stack): Likewise.
2029 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2030 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2031 * layout.h (class Layout): Update declarations. Remove options_
2032 field. Add number_of_input_files_ and resized_signatures_
2033 fields. Move sections_are_attached_ field.
2034 * main.cc (main): Pass number of input files to Layout
2035 constructor. Don't pass options.
2037 2009-03-30 Ian Lance Taylor <iant@google.com>
2039 * ffsll.c (ffsll): Correct implementation.
2041 2009-03-27 Ian Lance Taylor <iant@google.com>
2043 * ffsll.c: New file.
2044 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2045 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2046 * ftruncate.c (ftruncate): Declare before definition.
2047 * mremap.c (mremap): Likewise.
2048 * pread.c (pread): Likewise.
2049 * configure, Makefile.in, config.in: Rebuild.
2051 * mremap.c: New file.
2052 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2053 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2054 (mremap): Declare if HAVE_MREMAP is not defined.
2055 * configure, Makefile.in, config.in: Rebuild.
2057 2009-03-27 Cary Coutant <ccoutant@google.com>
2059 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2060 position independent.
2061 * sparc.cc (Target_sparc::check_non_pic): Likewise.
2062 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2064 2009-03-24 Cary Coutant <ccoutant@google.com>
2066 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2068 (needs_dynamic_reloc): Likewise.
2070 2009-03-24 Ian Lance Taylor <iant@google.com>
2072 * yyscript.y (file_cmd): Recognize EXTERN.
2073 (extern_name_list, extern_name_list_body): New nonterminals.
2074 * script.cc (script_add_extern): Define.
2075 * script-c.h (script_add_extern): Declare.
2077 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
2079 * object.cc (is_elf_object): Define.
2080 * object.h (is_elf_object): Declare.
2081 * archive.cc (Archive::get_elf_object_for_member): Call
2083 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2085 2009-03-24 Elliott Hughes <enh@google.com>
2087 * output.cc (Output_file::map_anonymous): Define.
2088 (Output_file::map): Use map_anonymous. If the regular mmap fails,
2089 try an anonymous one. Report the size if the mmap fails.
2090 * output.h (class Output_file): Declare map_anonymous.
2092 2009-03-24 Ian Lance Taylor <iant@google.com>
2094 * target-select.cc (instantiate_target): Don't acquire the lock if
2095 the instantiated_target_ field has already been set.
2097 2009-03-23 Ian Lance Taylor <iant@google.com>
2099 * gold-threads.h (class Initialize_lock): Define.
2100 * gold-threads.cc (class Initialize_lock_once): Define.
2101 (initialize_lock_control): New static variable.
2102 (initialize_lock_pointer): New static variable.
2103 (initialize_lock_once): New static function.
2104 (Initialize_lock::Initialize_lock): Define.
2105 (Initialize_lock::initialize): Define.
2106 * target-select.h: Include "gold-threads.h".
2107 (class Target_selector): Add lock_ and initialize_lock_ fields.
2108 Don't define instantiate_target, just declare it.
2109 * target-select.cc (Target_selector::Target_selector): Initialize
2111 (Target_selector::instantiate_target): Define.
2112 * descriptors.h: Include "gold-threads.h".
2113 (class Descriptors): Add initialize_lock_ field.
2114 * descriptors.cc (Descriptors::Descriptors): Initialize new
2116 (Descriptors::open): Use initialize_lock_ field
2117 * errors.h (class Errors): Add initialize_lock_ field.
2118 * errors.cc (Errors::Errors): Initialize new field.
2119 (Errors::initialize_lock): Use initialize_lock_ field.
2120 * powerpc.cc (class Target_selector_powerpc): Remove
2121 instantiated_target_ field. In do_recognize call
2122 instantiate_target rather than do_instantiate_target. In
2123 do_instantiate_target just allocate a new target.
2124 * sparc.cc (class Target_selector_sparc): Likewise.
2126 * freebsd.h: New file.
2127 * i386.cc: Include "freebsd.h".
2128 (Target_i386): Derive from Target_freebsd rather than
2130 (Target_selector_i386): Derive from Target_selector_freebsd rather
2131 than Target_selector.
2132 * x86_64.cc: Include "freebsd.h".
2133 (Target_x86_64): Derive from Target_freebsd rather than
2135 (Target_selector_x86_64): Derive from Target_selector_freebsd
2136 rather than Target_selector.
2137 * target.h (class Target): Add adjust_elf_header and
2138 do_adjust_elf_header.
2139 * output.cc (Output_file_header:: do_sized_write): Call target
2140 adjust_elf_header routine.
2141 * configure.tgt: Set targ_osabi.
2142 * configure.ac: Define GOLD_DEFAULT_OSABI.
2143 * parameters.cc (Parameters::default_target): Pass
2144 GOLD_DEFAULT_OSABI to select_target.
2145 * target-select.h (class Target_selector): Make instantiate_target
2146 protected rather than private.
2147 * Makefile.am (HFILES): Add freebsd.h.
2148 * configure, Makefile.in, config.in: Rebuild.
2150 * merge.cc (do_add_input_section): Correct pend value. Change
2151 message about last entry not being null terminated from error to
2154 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
2156 * incremental.cc: New file.
2157 * Makefile.am (CCFILES): Add incremental.cc.
2158 * Makefile.in: Rebuild.
2160 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
2162 * layout.cc (Layout::output_section_name): Preserve names
2163 of '.note.' sections.
2165 2009-03-19 Ian Lance Taylor <iant@google.com>
2167 * descriptors.cc (Descriptors::open): Check that the options are
2168 valid before using them.
2170 2009-03-18 Ian Lance Taylor <iant@google.com>
2172 * script-sections.h: Include <list>.
2173 (class Script_sections): Change Sections_elements from std::vector
2174 to std::list. Typedef public Elements_iterator. Add
2175 orphan_section_placement_, data_segment_align_start_, and
2176 saw_data_segment_align_ fields. Remove data_segment_align_index_
2178 * script-sections.cc (class Orphan_section_placement): New class.
2179 (class Sections_element): Add virtual functions is_relro and
2180 orphan_section_init. Remove virtual function place_orphan_here.
2181 (class Output_section_definition): Add is_relro and
2182 orphan_section_init. Remove place_orphan_here.
2183 (class Orphan_output_section): Likewise.
2184 (Script_sections::Script_sections): Update for field changes.
2185 (Script_sections::data_segment_align): Set saw_data_segment_align_
2186 and data_segment_align_start_, not data_segment_align_index.
2187 (Script_sections::data_segment_relro_end): Check
2188 saw_data_segment_align_. Use data_segment_align_start_ rather
2189 than data_segment_align_index_.
2190 (Script_sections::place_orphan): Rewrite to use
2191 Orphan_section_placement.
2193 2009-03-17 Ian Lance Taylor <iant@google.com>
2195 * archive.cc (Archive::add_symbols): Check for a version attached
2196 to the symbol name in the archive map.
2197 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2198 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2199 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2200 (ver_test_11.a): New target.
2201 * testsuite/Makefile.in: Rebuild.
2203 * configure.ac: Check for chsize and posix_fallocate. Replace
2205 * ftruncate.c: New file, from gnulib.
2206 * output.cc (posix_fallocate): Define dummy version if not
2207 HAVE_POSIX_FALLOCATE.
2208 (Output_file::map): Call posix_fallocate rather than lseek and
2210 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2211 * configure, Makefile.in, config.in: Rebuild.
2213 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
2215 * layout.h (Layout::create_note): Add section_name parameter.
2216 * layout.cc (Layout::create_note): Likewise.
2217 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2219 2009-03-17 Ian Lance Taylor <iant@google.com>
2221 * descriptors.cc: Include "options.h".
2222 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2223 (Descriptors::open): Always use O_CLOEXEC when opening a new
2224 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
2225 then set FD_CLOEXEC.
2227 * sparc.cc (class Target_sparc): Add has_got_section.
2228 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2229 make sure we have a GOT section.
2231 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2232 (Target_sparc::Scan::local): Likewise.
2233 (Target_sparc::Scan::global): Likewise.
2234 (Target_sparc::Relocate::relocate): Likewise.
2235 (Target_sparc::Relocate::relocate_tls): Likewise.
2237 * symtab.cc (Symbol_table::define_default_version): New function,
2238 broken out of add_from_object.
2239 (Symbol_table::add_from_object): Call define_default_version.
2240 (Symbol_table::define_special_symbol): Add resolve_oldsym
2241 parameter. Change all callers. If the version for a symbol comes
2242 from a version script, resolve it with the symbol with the same
2243 name with no version. Also add the symbol without a version if
2245 (do_define_in_output_data): If resolving with oldsym, don't delete
2247 (do_define_in_output_segment): Likewise.
2248 (do_define_as_constant): Likewise.
2249 * symtab.h (class Symbol_table): Update declarations.
2251 2009-03-13 Ian Lance Taylor <iant@google.com>
2253 * readsyms.cc (Read_symbols::incompatible_warning): New function.
2254 (Read_symbols::requeue): New function.
2255 (Read_symbols::do_read_symbols): If make_elf_object fails because
2256 the target type is not configured, and the file was searched for,
2257 issue a warning and retry with the next directory.
2258 (Add_symbols::run): If the file has an incompatible format, and
2259 it was searched for, requeue the Read_symbols task. On error,
2261 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
2262 dirindex parameter to constructor. Change all callers. Declare
2263 incompatible_warning and requeue.
2264 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2265 input_argument_ and input_group_ fields. Add them to
2266 constructor. Change all callers.
2267 (class Read_script): Add dirindex_ field. Add it to constructor.
2269 * archive.cc (Archive::setup): Remove input_objects parameter.
2271 (Archive::get_file_and_offset): Likewise.
2272 (Archive::read_all_symbols): Likewise.
2273 (Archive::read_symbols): Likewise.
2274 (Archive::get_elf_object_for_member): Remove input_objects
2275 parameter. Add punconfigured parameter. Change all callers.
2276 (Archive::add_symbols): Change return type to bool. Check return
2277 value of include_member.
2278 (Archive::include_all_members): Likewise.
2279 (Archive::include_member): Change return type to bool. Return
2280 false if first included object has incompatible target. Set
2281 included_member_ field.
2282 (Add_archive_symbols::run): If add_symbols returns false, requeue
2284 * archive.h (class Archive): Add included_member_ field.
2285 Initialize it in constructor. Add input_file and searched_for
2286 methods. Update declarations.
2287 (class Add_archive_symbols): Add dirpath_, dirindex_, and
2288 input_argument_ fields. Add them to constructor. Change all
2290 * script.cc: Include "target-select.h".
2291 (class Parser_closure): Add skip_on_incompatible_target_ and
2292 found_incompatible_target_ fields. Add
2293 skip_on_incompatible_target parameter to constructor. Change all
2294 callers. Add methods skip_on_incompatible_target,
2295 clear_skip_on_incompatible_target, found_incompatible_target, and
2296 set_found_incompatible_target.
2297 (read_input_script): Add dirindex parameter. Change all callers.
2298 If parser finds an incompatible target, requeue Read_symbols
2300 (script_set_symbol): Clear skip_on_incompatible_target in
2302 (script_add_assertion, script_parse_option): Likewise.
2303 (script_start_sections, script_add_phdr): Likewise.
2304 (script_check_output_format): New function.
2305 * script.h (read_input_script): Update declaration.
2306 * script-c.h (script_check_output_format): Declare.
2307 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2308 (ignore_cmd): Remove OUTPUT_FORMAT.
2309 * fileread.cc (Input_file::Input_file): Add explicit this.
2310 (Input_file::will_search_for): New function.
2311 (Input_file::open): Add pindex parameter. Change all callers.
2312 * fileread.h (class Input_file): Add input_file_argument method.
2313 Declare will_search_for. Update declarations.
2314 * object.cc (make_elf_object): Add punconfigured parameter.
2316 * object.h (class Object): Make input_file public. Add
2317 searched_for method.
2318 (make_elf_object): Update declaration.
2319 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
2321 * dirsearch.h (class Dirsearch): Update declaration.
2322 * options.h (class General_options): Add --warn-search-mismatch.
2323 * parameters.cc (Parameters::is_compatible_target): New function.
2324 * parameters.h (class Parameters): Declare is_compatible_target.
2325 * workqueue.cc (Workqueue::add_blocker): New function.
2326 * workqueue.h (class Workqueue): Declare add_blocker.
2328 * fileread.cc (Input_file::open): Remove options parameter.
2330 (Input_file::open_binary): Likewise.
2331 * script.cc (read_input_script): Likewise.
2332 * readsyms.h (class Read_symbols): Remove options_ field. Remove
2333 options parameter from constructor. Change all callers.
2334 (class Read_script): Likewise.
2335 * fileread.h (class Input_file): Update declarations.
2336 * script.h (read_input_script): Update declaration.
2338 2009-03-10 Nick Clifton <nickc@redhat.com>
2340 * po/es.po: New Spanish translation.
2342 2009-03-06 Cary Coutant <ccoutant@google.com>
2344 * options.cc (parse_short_option): Keep dash_z from registering itself.
2346 2009-03-03 Ian Lance Taylor <iant@google.com>
2349 * target-reloc.h (relocate_section): Pass output_section to
2351 * i386.cc (Target_i386::should_apply_static_reloc): Add
2352 output_section parameter. Change all callers.
2353 (Target_i386::Relocate::relocate): Add output_section parameter.
2354 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2355 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2356 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2357 * testsuite/two_file_shared.sh: New script.
2358 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2359 (check_DATA): Add two_file_shared.dbg.
2360 (two_file_shared.dbg): New target.
2361 * testsuite/Makefile.in: Rebuild.
2363 2009-03-01 Ian Lance Taylor <iant@google.com>
2365 * configure.ac: Check for byteswap.h.
2366 * configure: Rebuild.
2367 * config.in: Rebuild.
2369 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2371 * layout.cc (Layout::find_or_add_kept_section): New function.
2372 (Layout::add_comdat): Removed.
2373 * layout.h (struct Kept_section): Move out of class Layout.
2374 Remove trailing underscores from field names. Add group_sections
2375 field. Rename group_ field to is_group. Change all uses.
2376 (class Layout): Declare find_or_add_kept_section, not add_comdat.
2377 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2378 comdat_groups_ field.
2379 (Sized_relobj::include_section_group): Use
2380 find_or_add_kept_section and Kept_section::group_sections.
2381 (Sized_relobj::include_linkonce_section): Likewise.
2382 * object.cc (class Sized_relobj): Don't define Comdat_group or
2383 Comdat_group_table. Remove find_comdat_group and
2384 add_comdat_group. Remove comdat_groups_ field.
2385 * plugin.cc (include_comdat_group): Use
2386 Layout::find_or_add_kept_section.
2388 2009-02-28 Ian Lance Taylor <iant@google.com>
2390 * README: --gc-sections and map files are now supported. Document
2391 some build requirements.
2394 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2395 relocatable link set the value of the section symbol to zero.
2396 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2397 relocatable link don't include the section address in the local
2400 2009-02-27 Ian Lance Taylor <iant@google.com>
2403 * options.h (class Search_directory): Add is_system_directory.
2404 (class General_options): Declare is_in_system_directory.
2405 * options.cc (get_relative_sysroot): Make static.
2406 (get_default_sysroot): Make static.
2407 (General_optoins::is_in_system_directory): New function.
2408 * fileread.cc (Input_file::is_in_system_directory): New function.
2409 * fileread.h (class Input_file): Declare is_in_system_directory.
2410 * object.h (class Object): Add is_in_system_directory.
2411 (class Input_objects): Remove system_library_directory_ field.
2412 * object.cc (Input_objects::add_object): Don't set
2413 system_library_directory_.
2414 (input_objects::found_in_system_library_directory): Remove.
2415 * symtab.cc (Symbol_table::write_globals): Remove input_objects
2416 parameter. Change all callers.
2417 (Symbol_table::sized_write_globals): Likewise.
2418 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2419 Call Object::is_in_system_directory.
2420 * symtab.h (class Symbol_table): Update declarations.
2423 * descriptors.h (Open_descriptor): Add is_on_stack field.
2424 * descriptors.cc (Descriptors::open): If the descriptor is on the
2425 top of the stack, remove it. Initialize is_on_stack field.
2426 (Descriptors::release): Only add pod to stack if it is not on the
2428 (Descriptors::close_some_descriptor): Clear stack_next and
2432 * output.cc (Output_section::find_starting_output_address): Rename
2433 from starting_output_address; add PADDR parameter; change return
2435 * output.h (class Output_section): Declare
2436 find_starting_output_address instead of starting_output_address.
2437 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2438 section symbol for which we can't find a merge section.
2441 * symtab.cc (Symbol_table::add_from_object): If the visibility is
2442 hidden or internal, force the symbol to be local.
2443 * resolve.cc (Symbol::override_visibility): Define.
2444 (Symbol::override_base): Use override_visibility.
2445 (Symbol_table::resolve): Likewise.
2446 (Symbol::override_base_with_special): Likewise.
2447 (Symbol_table::override_with_special): If the visibility is hidden
2448 or internal, force the symbol to be local.
2449 * symtab.h (class Symbol): Add set_visibility and
2450 override_visibility.
2451 * testsuite/ver_test_1.sh: New file.
2452 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2453 (check_DATA): Add ver_test_1.syms.
2454 (ver_test_1.syms): New target.
2455 * testsuite/Makefile.in: Rebuild.
2457 2009-02-25 Cary Coutant <ccoutant@google.com>
2459 * layout.cc (Layout::choose_output_section): Don't rename sections
2460 when using a linker script that has a SECTIONS clause.
2461 * Makefile.in: Regenerate.
2463 * testsuite/Makefile.am (script_test_5.sh): New test case.
2464 * testsuite/Makefile.in: Regenerate.
2465 * testsuite/script_test_5.cc: New file.
2466 * testsuite/script_test_5.sh: New file.
2467 * testsuite/script_test_5.t: New file.
2469 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
2471 * archive.cc (Archive::include_member): Update calls to add_symbols.
2472 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2473 the Layout argument.
2474 * dynobj.h (do_add_symbols): Add the Layout argument.
2475 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2477 * object.h (Object::add_symbols): Add the Layout argument.
2478 (Object::do_add_symbols): Add the Layout argument.
2479 (Sized_relobj::do_add_symbols): Add the Layout argument.
2480 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2481 Unify the two versions.
2482 (Add_plugin_symbols): Remove.
2483 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2484 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2485 (Add_plugin_symbols): Remove.
2486 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2487 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2488 (Add_symbols::run): Make it work with Pulginobj.
2490 2009-02-06 Ian Lance Taylor <iant@google.com>
2492 * object.cc (Sized_relobj::do_layout): Make info message start
2493 with lower case letter.
2495 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2497 * binary.cc: Fix file comment.
2499 * options.h (enum Incremental_disposition): Define.
2500 (class General_options): Add new options: --incremental,
2501 --incremental_changed, --incremental_unchanged,
2502 --incremental_unknown. Add incremental_disposition_ and
2503 implicit_incremental_ fields.
2504 (General_options::incremental_disposition): New function.
2505 (class Position_dependent_options): Add incremental_disposition
2507 (Position_dependent_options::copy_from_options): Set incremental
2509 * options.cc (General_options::parse_incremental_changed): New
2511 (General_options::parse_incremental_unchanged): New function.
2512 (General_options::parse_incremental_unknown): New function.
2513 (General_options::General_options): Initialize new fields
2514 incremental_disposition_ and implicit_incremental_.
2515 (General_options::finalize): Check for uasge of --incremental-*
2516 without --incremental.
2518 2009-02-06 Chris Demetriou <cgd@google.com>
2520 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2521 pointer and to report location as the file name associated with
2523 (gold_undefined_symbol_at_location): New function to replace the
2524 old gold_undefined_symbol functionality.
2525 * target-reloc.h (relocate_section): Update to use
2526 gold_undefined_symbol_at_location.
2527 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2528 Call gold_undefined_symbol function rather than gold_error.
2529 * errors.h (Errors::undefined_symbol): Take location as a
2530 string, rather than calculating it from a relocation.
2531 * errors.cc (Errors::fatal): Print "fatal error:" before the
2533 (Errors::error, Errors::error_at_location): Print "error: "
2534 before the formatted message.
2535 (Errors::undefined_symbol): Take location as a string, rather
2536 than calculating it from a relocation.
2537 (gold_undefined_symbol_at_location): New function akin to
2538 old gold_undefined_symbol, calculates location from relocation.
2539 (gold_undefined_symbol): Change to take only a Symbol pointer
2540 and to report location as the file name associated with the symbol.
2541 * testsuite/debug_msg.sh: Update for changed error messages.
2542 * testsuite/undef_symbol.sh: Likewise.
2544 2009-02-04 Duncan Sands <baldrick@free.fr>
2547 * reduced_debug_output.h
2548 (Output_reduced_debug_abbrev_section::failed): Use format for
2550 (Output_reduced_debug_info_section::faild): Likewise.
2552 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2554 * script.cc (Lazy_demangler): New class.
2555 (Version_script_info::get_symbol_version_helper): Demangle a
2558 2009-01-29 Cary Coutant <ccoutant@google.com>
2560 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2562 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2564 2009-01-28 Ian Lance Taylor <iant@google.com>
2566 * version.cc (version_string): Bump to 1.9.
2568 * gold.h: Include <cstring> and <stdint.h>.
2569 * version.cc: Include <cstdio>.
2570 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2572 * reduced_debug_output.cc (insert_into_vector): Rename from
2573 Insert_into_vector; change all callers. Use Swap_unaligned to
2574 avoid aliasing issue; remove union since it is unnecessary.
2576 2009-01-27 Sriraman Tallam <tmsriram@google.com>
2578 * Makefile.am (CCFILES): Add gc.cc.
2580 * Makefile.in: Regenerate.
2581 * gold.cc (Gc_runner): New class.
2582 (queue_initial_tasks): Call garbage collection related tasks
2583 when corresponding options are invoked.
2584 (queue_middle_gc_tasks): New function.
2585 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2586 processed early before laying out sections during garbage collection.
2587 * gold.h (queue_middle_gc_tasks): New function.
2588 (is_prefix_of): Move from "layout.cc".
2589 * i386.cc (Target_i386::gc_process_relocs): New function.
2590 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2591 * main.cc (main): Create object of class "Garbage_collection".
2592 * object.cc (Relobj::copy_symbols_data): New function.
2593 (Relobj::is_section_name_included): New function.
2594 (Sized_relobj::do_layout): Allow this function to be called twice
2595 during garbage collection and defer layout of section during the
2597 * object.h (Relobj::get_symbols_data): New function.
2598 (Relobj::is_section_name_included): New function.
2599 (Relobj::copy_symbols_data): New function.
2600 (Relobj::set_symbols_data): New function.
2601 (Relobj::get_relocs_data): New function.
2602 (Relobj::set_relocs_data): New function.
2603 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2604 (Relobj::gc_process_relocs): New function.
2605 (Relobj::do_gc_process_relocs): New pure virtual function.
2606 (Relobj::sd_): New data member.
2607 (Sized_relobj::is_output_section_offset_invalid): New function.
2608 (Sized_relobj::do_gc_process_relocs): New function.
2609 * options.h (General_options::gc_sections): Modify to not be a no-op.
2610 (General_options::print_gc_sections): New option.
2611 * plugin.cc (Plugin_finish::run): Remove function call to
2612 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2613 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2614 * reloc.cc (Read_relocs::run): Add task to process relocs and
2615 determine unreferenced sections when doing garbage collection.
2616 (Gc_process_relocs): New class.
2617 (Sized_relobj::do_gc_process_relocs): New function.
2618 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2619 sections that are garbage collected.
2620 * reloc.h (Gc_process_relocs): New class.
2621 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2622 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2623 symbols whose corresponding sections are garbage collected.
2624 (Symbol_table::Symbol_table): Add new parameter for the garbage
2626 (Symbol_table::gc_mark_undef_symbols): New function.
2627 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2628 (Symbol_table::gc_mark_dyn_syms): New function.
2629 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2631 (Symbol_table::add_from_object): Likewise.
2632 (Symbol_table::add_from_relobj): When building shared objects, do not
2633 treat externally visible symbols as garbage.
2634 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2635 table information for static and relocatable links.
2636 * symtab.h (Symbol_table::set_gc): New function.
2637 (Symbol_table::gc): New function.
2638 (Symbol_table::gc_mark_undef_symbols): New function.
2639 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2640 (Symbol_table::gc_mark_dyn_syms): New function.
2641 (Symbol_table::gc_): New data member.
2642 * target.h (Sized_target::gc_process_relocs): New pure virtual
2644 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2645 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2647 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2649 * options.h (General_options::gc_sections): Define as a no-op for now.
2650 (General_options::no_keep_memory): Ditto.
2651 (General_options::Bshareable): Define.
2652 * options.cc (General_options::finalize): Honor -Bshareable.
2654 2009-01-20 Andreas Schwab <schwab@suse.de>
2656 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2657 read the value in the contents, since we don't use it. Use the
2658 template endianness when writing.
2659 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2661 2009-01-19 Andreas Schwab <schwab@suse.de>
2663 * configure.tgt (powerpc64-*): Fix targ_obj.
2665 2009-01-15 Ian Lance Taylor <iant@google.com>
2667 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2668 local symbols when stripping all symbols.
2670 2009-01-14 Cary Coutant <ccoutant@google.com>
2672 * output.cc (Output_reloc): Add explicit instantiations.
2674 2009-01-14 Cary Coutant <ccoutant@google.com>
2676 * archive.cc (Archive::get_elf_object_for_member): Remove call
2677 to File_read::claim_for_plugin.
2678 * descriptors.cc (Descriptors::open): Remove reference to
2680 (Descriptors::claim_for_plugin): Remove.
2681 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2682 (Descriptors::is_claimed): Remove.
2683 (claim_descriptor_for_plugin): Remove.
2684 * fileread.cc (File_read::claim_for_plugin): Remove.
2685 * fileread.h (File_read::claim_for_plugin): Remove.
2686 (File_read::descriptor): Reopen descriptor if necessary.
2687 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2688 (Plugin_manager::all_symbols_read): Add task parameter. Change
2690 (Plugin_manager::get_input_file): New function.
2691 (Plugin_manager::release_input_file): New function.
2692 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2693 corresponding data member.
2694 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2695 and pass to base constructor. Change all callers.
2696 (get_input_file, release_input_file): New functions.
2697 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2698 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2699 (Plugin_manager::all_symbols_read): Add task parameter.
2700 (Plugin_manager::get_input_file): New function.
2701 (Plugin_manager::release_input_file): New function.
2702 (Plugin_manager::task_): New data member.
2703 (Pluginobj::Pluginobj): Add filesize parameter.
2704 (Pluginobj::filename): New function.
2705 (Pluginobj::descriptor): New function.
2706 (Pluginobj::filesize): New function.
2707 (Pluginobj::filesize_): New data member.
2708 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2709 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2710 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2712 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2713 with archive libraries.
2714 * testsuite/Makefile.in: Regenerate.
2715 * testsuite/plugin_test.c (struct sym_info): New type.
2716 (get_input_file, release_input_file): New static variables.
2717 (onload): Capture new transfer vector entries.
2718 (claim_file_hook): Stop reading at end of file according to filesize.
2719 Factor out parsing of readelf output into separate function.
2720 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2721 APIs and get the source file name from the symbol table. Convert
2722 source file name to corresponding object file name. Print info
2723 message when adding new input files.
2724 (parse_readelf_line): New function.
2725 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2726 * testsuite/plugin_test_2.sh: Likewise.
2727 * testsuite/plugin_test_3.sh: Likewise.
2728 * testsuite/plugin_test_4.sh: New test case.
2730 2009-01-07 Ian Lance Taylor <iant@google.com>
2732 * version.cc (version_string): Bump to 1.8.
2734 2008-12-23 Cary Coutant <ccoutant@google.com>
2736 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2737 * plugin.cc (Plugin_manager::finish): Rename as
2738 layout_deferred_objects. Move cleanup to separate function.
2739 (Plugin_manager::cleanup): New function.
2740 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2742 * plugin.h (Plugin_manager::finish): Rename as
2743 layout_deferred_objects.
2744 (Plugin_manager::cleanup): New function.
2745 (Plugin_manager::cleanup_done): New field.
2747 2008-12-23 Cary Coutant <ccoutant@google.com>
2749 * plugin.cc (is_visible_from_outside): New function.
2750 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2751 so we don't return "IR only" status for exported symbols or -r links.
2753 * testsuite/Makefile.am (plugin_test_3): New test case.
2754 * testsuite/Makefile.in: Regenerate.
2755 * testsuite/plugin_test_3.sh: New file.
2757 2008-12-22 Cary Coutant <ccoutant@google.com>
2759 * object.cc (Sized_relobj::layout_section): New function.
2760 (Sized_relobj::do_layout): Defer layout of input sections until after
2761 plugin has provided replacement files.
2762 (Sized_relobj::do_layout_deferred_sections): New function.
2763 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2764 (Relobj::layout_deferred_sections): New function.
2765 (Relobj::do_layout_deferred_sections): New function.
2766 (Sized_relobj::do_layout_deferred_sections): New function.
2767 (Sized_relobj::layout_section): New function.
2768 (Sized_relobj::Deferred_layout): New structure.
2769 (Sized_relobj::deferred_layout_): New field.
2770 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2771 Change all callers. Layout deferred sections.
2772 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2774 (Plugin_hook::run): Move code from do_plugin_hook inline.
2775 (Plugin_hook::do_plugin_hook): Remove.
2776 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2777 (Plugin_manager::finish): Renamed, was cleanup.
2778 (Plugin_manager::should_defer_layout): New function.
2779 (Plugin_manager::add_deferred_layout_object): New function.
2780 (Plugin_manager::Deferred_layout_list): New type.
2781 (Plugin_manager::deferred_layout_objects_): New field.
2782 (Plugin_hook::do_plugin_hook): Remove.
2784 2008-12-17 Ian Lance Taylor <iant@google.com>
2786 * options.h (class General_options): Add --no case for
2789 2008-12-16 Cary Coutant <ccoutant@google.com>
2791 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2793 (Plugin_manager::claim_file): Create plugin object even if
2794 plugin did not call the add_symbols callback.
2795 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2796 asking for more symbols than were added.
2797 * testsuite/Makefile.am (plugin_test_1): Add test case with
2799 (empty.syms): New target.
2800 * testsuite/Makefile.in: Regenerate.
2801 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2802 message. Don't call add_symbols if no globals.
2803 (all_symbols_read_hook): Don't provide replacement for empty
2806 2008-12-12 Ian Lance Taylor <iant@google.com>
2808 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2809 r_type == 0 for a local symbol with r_sym == 0.
2810 (scan_relocatable_relocs): Pass r_sym to
2811 local_non_section_strategy.
2812 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2815 * configure.ac: Update test for TLS descriptors: they are
2816 supported as of glibc 2.9.
2817 * configure: Rebuild.
2819 2008-12-11 Ian Lance Taylor <iant@google.com>
2822 * target-reloc.h (Default_scan_relocatable_relocs): For each
2823 function, map r_type == 0 to RELOC_DISCARD.
2825 2008-12-10 Cary Coutant <ccoutant@google.com>
2827 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2828 object to override a kept COMDAT group from a plugin object.
2830 2008-12-09 Ian Lance Taylor <iant@google.com>
2833 * yyscript.y (file_cmd): Handle INPUT.
2835 * testsuite/initpri1.c: Change all declarations to be full
2836 prototypes by adding void, to avoid compiler warnings.
2838 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
2840 * options.cc (General_options::parse_plugin_opt): New.
2841 (General_options::add_plugin): The argument now is just the filename.
2842 (General_options::add_plugin_option): New.
2843 * options.h (plugin_opt): New.
2844 (add_plugin): Change argument name.
2845 (add_plugin_option): New.
2846 * plugin.cc (Plugin::load): Don't parse the plugin option.
2847 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2848 (Plugin::add_option): New.
2849 (Plugin::args_): Change type.
2850 (Plugin::filename_): New.
2851 (Plugin_manager::add_plugin_option): New.
2852 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2853 * testsuite/Makefile.in: Regenerate.
2855 2008-12-05 Cary Coutant <ccoutant@google.com>
2857 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2858 Handle --strip-lto-sections option.
2859 * options.h (strip_lto_sections): New option.
2861 2008-12-01 Cary Coutant <ccoutant@google.com>
2863 * plugin.cc (ld_plugin_message): Change format parameter to const.
2864 Fix mismatch between new[] and delete.
2866 2008-11-14 Cary Coutant <ccoutant@google.com>
2868 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2871 2008-11-05 Craig Silverstein <csilvers@google.com>
2873 * options.cc (General_options::parse_dynamic_list): New function.
2874 * options.h (General_options): New flags dynamic_list,
2875 dynamic_list_data, dynamic_list_cpp_new, and
2876 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2877 (General_options::in_dynamic_list): New function.
2878 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2879 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2880 (Lex::can_continue_name): Likewise.
2882 (read_script_file): New parameter script_options.
2883 (read_dynamic_list): New function.
2884 (Script_options::define_dynamic_list): New function.
2885 (dynamic_list_keyword_parsecodes): New variable.
2886 (dynamic_list_keywords): New variable.
2887 * script.h (Script_options::define_dynamic_list): New function
2889 (read_dynamic_list): New function prototype.
2890 * symtab.cc (strprefix): New macro.
2891 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2892 dynamic_list_data, dynamic_list_cpp_new, and
2893 dynamic_list_cpp_typeinfo.
2894 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2895 (dynamic_list_expr): New rule.
2896 (dynamic_list_nodes): Likewise.
2897 (dynamic_list_node): Likewise.
2898 * testsuite/Makefile.am (dynamic_list): New test.
2899 * testsuite/Makefile.in: Regenerated.
2900 * testsuite/dynamic_list.t: New file.
2901 * testsuite/dynamic_list.sh: New file.
2903 2008-11-05 Craig Silverstein <csilvers@google.com>
2905 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2906 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2907 (t11_last): Likewise.
2908 * testsuite/ver_test_6.c (main): Likewise.
2910 2008-10-07 Cary Coutant <ccoutant@google.com>
2912 * options.c (General_options::finalize): Add check for -static and
2914 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2917 2008-10-02 Cary Coutant <ccoutant@google.com>
2919 * plugin.cc (make_sized_plugin_object): Fix conditional
2920 compilation to work when not all targets are enabled.
2922 2008-09-29 Cary Coutant <ccoutant@google.com>
2924 * archive.cc (Archive::get_file_and_offset): Use filename instead
2925 of name to get library path.
2926 (Archive::include_member): Unlock external member of a thin archive.
2928 * testsuite/Makefile.am (TEST_AR): New variable.
2929 (thin_archive_test_1): New test.
2930 (thin_archive_test_2): New test.
2931 * testsuite/Makefile.in: Regenerate.
2932 * testsuite/thin_archive_main.cc: New file.
2933 * testsuite/thin_archive_test_1.cc: New file.
2934 * testsuite/thin_archive_test_2.cc: New file.
2935 * testsuite/thin_archive_test_3.cc: New file.
2936 * testsuite/thin_archive_test_4.cc: New file.
2938 2008-09-29 Cary Coutant <ccoutant@google.com>
2940 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2941 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2943 (Sized_relobj::do_finalize_local_symbols): Likewise.
2944 (Sized_relobj::map_to_kept_section): Likewise.
2945 * object.h (Sized_relobj::invalid_address): New constant.
2946 (Sized_relobj::do_output_section_offset): Check for invalid_address
2948 * output.cc (Output_reloc::local_section_offset): Use constant
2949 invalid_address instead of -1U.
2950 (Output_reloc::get_address): Likewise.
2951 (Output_section::output_address): Change -1U to -1ULL.
2952 * output.h (Output_reloc::invalid_address): New constant.
2953 * reloc.cc (Sized_relobj::write_sections): Use constant
2954 invalid_address instead of -1U.
2955 (Sized_relobj::relocate_sections): Likewise.
2956 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2957 values for merge sections.
2958 * target-reloc.h (relocate_for_relocatable): Use constant
2959 invalid_address instead of -1U.
2961 2008-09-19 Cary Coutant <ccoutant@google.com>
2963 Add plugin functionality for link-time optimization (LTO).
2964 * configure.ac (plugins): Add --enable-plugins option.
2965 * configure: Regenerate.
2966 * config.in: Regenerate.
2967 * Makefile.am (LIBDL): New variable.
2968 (CCFILES): Add plugin.cc.
2969 (HFILES): Add plugin.h.
2970 (ldadd_var): Add LIBDL.
2971 * Makefile.in: Regenerate.
2973 * archive.cc: Include "plugin.h".
2974 (Archive::setup): Don't preread archive symbols when using a plugin.
2975 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
2976 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2978 (Archive::include_member): Add symbols from plugin objects.
2979 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2980 * descriptors.cc (Descriptors::open): Check for file descriptors
2981 abandoned by plugins.
2982 (Descriptors::claim_for_plugin): New function.
2983 * descriptors.h (Descriptors::claim_for_plugin): New function.
2984 (Open_descriptor::is_claimed): New field.
2985 (claim_descriptor_for_plugin): New function.
2986 * fileread.cc (File_read::claim_for_plugin): New function.
2987 * fileread.h (File_read::claim_for_plugin): New function.
2988 (File_read::descriptor): New function.
2989 * gold.cc: Include "plugin.h".
2990 (queue_initial_tasks): Add task to call plugin hooks for generating
2992 * main.cc: Include "plugin.h".
2993 (main): Load plugin libraries.
2994 * object.h (Pluginobj): Declare.
2995 (Object::pluginobj): New function.
2996 (Object::do_pluginobj): New function.
2997 (Object::set_target): New function.
2998 * options.cc: Include "plugin.h".
2999 (General_options::parse_plugin): New function.
3000 (General_options::General_options): Initialize plugins_ field.
3001 (General_options::add_plugin): New function.
3002 * options.h (Plugin_manager): Declare.
3003 (General_options): Add --plugin option.
3004 (General_options::has_plugins): New function.
3005 (General_options::plugins): New function.
3006 (General_options::add_plugin): New function.
3007 (General_options::plugins_): New field.
3008 * plugin.cc: New file.
3009 * plugin.h: New file.
3010 * readsyms.cc: Include "plugin.h".
3011 (Read_symbols::do_read_symbols): Check for archive before checking
3012 for ELF file. Call plugin hooks to claim files.
3013 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3014 from a real object file; force override when processing replacement
3016 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3017 (Symbol::init_base_object): Likewise.
3018 (Symbol::init_base_output_data): Likewise.
3019 (Symbol::init_base_output_segment): Likewise.
3020 (Symbol::init_base_constant): Likewise.
3021 (Symbol::init_base_undefined): Likewise.
3022 (Symbol::output_section): Assert that object is not a plugin.
3023 (Symbol_table::add_from_pluginobj): New function.
3024 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3026 (Symbol_table::sized_write_globals): Likewise.
3027 (Symbol_table::add_from_pluginobj): Instantiate template.
3028 * symtab.h (Sized_pluginobj): Declare.
3029 (Symbol::in_real_elf): New function.
3030 (Symbol::set_in_real_elf): New function.
3031 (Symbol::in_real_elf_): New field.
3032 (Symbol_table::add_from_pluginobj): New function.
3034 * testsuite/Makefile.am (AM_CFLAGS): New variable.
3035 (LIBDL): New variable.
3037 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3038 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3039 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3040 (MOSTLYCLEANFILES): Likewise.
3041 * testsuite/Makefile.in: Regenerate.
3042 * testsuite/plugin_test.c: New file.
3043 * testsuite/plugin_test_1.sh: New file.
3044 * testsuite/plugin_test_2.sh: New file.
3046 2008-09-16 Ian Lance Taylor <iant@google.com>
3048 * target-reloc.h (relocate_section): Check whether a symbol is
3049 defined by the ABI before reporting an undefined symbol error.
3050 * target.h (Target::is_defined_by_abi): Make parameter const.
3051 (Target::do_is_defined_by_abi): Likewise.
3052 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3053 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3054 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3055 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3056 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3057 * testsuite/Makefile.in: Rebuild.
3059 * fileread.cc (make_view): Add casts to avoid warning.
3061 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
3063 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3064 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3066 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
3068 * options.h (General_options::output_is_executable): New.
3069 (General_options::output_is_pie): New.
3070 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3071 for shared libraries.
3072 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3074 2008-09-11 Chris Demetriou <cgd@google.com>
3076 * options.h (origin): New -z option.
3077 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3078 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3081 2008-09-05 Cary Coutant <ccoutant@google.com>
3083 * fileread.cc (File_read::make_view): Add check for attempt to map
3086 2008-09-05 Cary Coutant <ccoutant@google.com>
3088 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3089 explicit instantiations.
3091 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
3094 * options.cc (General_options::finalize): Allow undefined symbols
3095 in shlibs if linking -shared.
3098 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3099 symbols as not needing a dynsym entry.
3101 2008-08-20 Craig Silverstein <csilvers@google.com>
3103 * fileread.cc (File_read::open): Do not lock the file unless it
3104 was successfully opened.
3106 2008-08-14 Cary Coutant <ccoutant@google.com>
3108 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3109 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3110 * testsuite/tls_test.cc (struct int128): 128-bit struct
3111 for testing TLS relocs with non-zero addend.
3112 (v12): New TLS variable.
3114 (t_last): Add check for v12.
3115 * testsuite/tls_test.h (t12): New function.
3116 * testsuite/tls_test_main.cc (thread_routine): Call new test.
3118 2008-08-13 Ian Lance Taylor <iant@google.com>
3120 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3121 set tls_segment_ or relro_segment_.
3122 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3124 * output.h (Output_section::clear_is_relro): New function.
3125 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3126 sections specially even when output_data_ is empty.
3127 (Output_segment::maximum_alignment): When first section is relro,
3128 only force alignment for PT_LOAD segments.
3129 * script.cc (script_data_segment_align): New function.
3130 (script_data_segment_relro_end): New function.
3131 * script-c.h (script_data_segment_align): Declare.
3132 (script_data_segment_relro_end): Declare.
3133 * script-sections.h (class Script_sections): Declare
3134 data_segment_align and data_segment_relro_end. Add fields
3135 segment_align_index_ and saw_relro_end_.
3136 * script-sections.cc (class Sections_element): Add set_is_relro
3137 virtual function. Add new bool* parameter to place_orphan_here.
3138 Add get_output_section virtual function.
3139 (class Output_section_definition): Add set_is_relro. Add new
3140 bool* parameter to place_orphan_here. Add get_output_section.
3141 Add is_relro_ field.
3142 (Output_section_definition::Output_section_definition): Initialize
3143 evaluated_address_, evaluated_load_address, evaluated_addralign_,
3144 and is_relro_ fields.
3145 (Output_section_definition::place_orphan_here): Add is_relro
3147 (Output_section_definition::set_section_addresses): Set relro for
3149 (Output_section_definition::alternate_constraint): Likewise.
3150 (class Orphan_output_section): Add new bool* parameter to
3151 place_orphan_here. Add get_output_section.
3152 (Orphan_output_section::place_orphan_here): Add is_relro
3154 (Script_sections::Script_sections): Initialize
3155 data_segment_align_index_ and saw_relro_end_.
3156 (Script_sections::data_segment_align): New function.
3157 (Script_sections::data_segment_relro_end): New function.
3158 (Script_sections::place_orphan): Set or clear is_relro.
3159 (Script_sections::set_section_addresses): Force alignment of first
3161 * yyscript.y (exp): Call script_data_segment_align and
3162 script_data_segment_relro_end.
3163 * testsuite/relro_script_test.t: New file.
3164 * testsuite/relro_test.cc (using_script): Declare.
3165 (t1, t2): Test using_script.
3166 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3167 (relro_script_test_SOURCES): Define.
3168 (relro_script_test_DEPENDENCIES): Define.
3169 (relro_script_test_LDFLAGS): Define.
3170 (relro_script_test_LDADD): Define.
3171 (relro_script_test.so): New target.
3172 * testsuite/Makefile.in: Rebuild.
3174 2008-08-06 Cary Coutant <ccoutant@google.com>
3176 * archive.cc (Archive::total_archives, Archive::total_members)
3177 (Archive::total_members_loaded): New variables.
3178 (Archive::setup): Add parameter. Add option to preread
3180 (Archive::read_armap): Add counter.
3181 (Archive::get_file_and_offset): New function.
3182 (Archive::get_elf_object_for_member): New function.
3183 (Archive::read_all_symbols): New function.
3184 (Archive::read_symbols): New function.
3185 (Archive::add_symbols): Add counters.
3186 (Archive::include_all_members): Use armap to find members if it's
3188 (Archive::include_member): Skip reading symbols if already read.
3189 Factored code into Archive::get_file_and_offset and
3190 Archive::get_elf_object_for_member. Changed call to
3191 Mapfile::report_include_archive_member.
3192 (Archive::print_stats): New function.
3193 * archive.h: Declare Object and Read_symbols_data classes.
3194 (Archive::Archive): Add initializers for new members.
3195 (Archive::setup): Add parameter.
3196 (Archive::print_stats): New function.
3197 (Archive::total_archives, Archive::total_members)
3198 (Archive::total_members_loaded): New variables.
3199 (Archive::get_file_and_offset): New function.
3200 (Archive::get_elf_object_for_member): New function.
3201 (Archive::read_all_symbols): New function.
3202 (Archive::read_symbols): New function.
3203 (Archive::Archive_member): New class.
3204 (Archive::members_): New member.
3205 (Archive::num_members_): New member.
3206 * main.cc: Include archive.h.
3207 (main): Call Archive::print_stats.
3208 * mapfile.cc (Mapfile::report_include_archive_member): Delete
3209 archive parameter; member_name is now the fully-decorated name.
3210 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3211 * options.h: (General_options): Add --preread-archive-symbols option.
3212 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3215 2008-08-04 Ian Lance Taylor <iant@google.com>
3217 * symtab.h (Symbol::use_plt_offset): New function.
3218 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3219 * powerpc.cc (Relocate::relocate): Likewise.
3220 * sparc.cc (Relocate::relocate): Likewise.
3221 * x86_64.cc (Relocate::relocate): Likewise.
3222 * testsuite/weak_plt.sh: New test.
3223 * testsuite/weak_plt_main.cc: New test.
3224 * testsuite/weak_plt_shared.cc: New test.
3225 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3226 (check_PROGRAMS): Add weak_plt.
3227 (check_DATA): Add weak_plt_shared.so.
3228 (weak_plt_main_pic.o, weak_plt): New targets.
3229 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3230 * testsuite/Makefile.in: Rebuild.
3232 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3234 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3235 * testsuite/Makefile.in: Rebuild.
3237 2008-08-04 Alan Modra <amodra@bigpond.net.au>
3239 * Makefile.am (POTFILES.in): Set LC_ALL=C.
3240 * Makefile.in: Regenerate.
3241 * po/POTFILES.in: Regenerate.
3243 2008-07-29 Ian Lance Taylor <iant@google.com>
3245 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3246 symbols before other symbols.
3247 * testsuite/script_test_2.cc (test_addr): Declare.
3248 (test_addr_alias): Declare.
3249 (main): Check that test_addr and test_addr_alias have the right
3251 * testsuite/script_test_2.t: Define test_addr_alias and
3254 2008-07-24 Ian Lance Taylor <iant@google.com>
3257 * descriptors.cc: New file.
3258 * descriptors.h: New file.
3259 * gold-threads.h (class Hold_optional_lock): New class.
3260 * fileread.cc: Include "descriptors.h".
3261 (File_read::~File_read): Release descriptor rather than closing
3263 (File_read::open) [file]: Call open_descriptor rather than open.
3264 Set is_descriptor_opened_.
3265 (File_read::open) [memory]: Assert that descriptor is not open.
3266 (File_read::reopen_descriptor): New function.
3267 (File_read::release): Release descriptor.
3268 (File_read::do_read): Make non-const. Reopen descriptor.
3269 (File_read::read): Make non-const.
3270 (File_read::make_view): Reopen descriptor.
3271 (File_read::do_readv): Likewise.
3272 * fileread.h (class File_read): Add is_descriptor_opened_ field.
3273 Update declarations.
3274 * layout.cc: Include "descriptors.h".
3275 (Layout::create_build_id): Use open_descriptor rather than open.
3276 * output.cc: Include "descriptors.h".
3277 (Output_file::open): Use open_descriptor rather than open.
3278 * archive.cc (Archive::const_iterator): Change Archive to be
3280 (Archive::begin, Archive::end): Make non-const.
3281 (Archive::count_members): Likewise.
3282 * archive.h (class Archive): Update declarations.
3283 * object.h (Object::read): Make non-const.
3284 * Makefile.am (CCFILES): Add descriptors.cc.
3285 (HFILES): Add descriptors.h.
3286 * Makefile.in: Rebuild.
3289 * gold.h: Always include <clocale>. Add Solaris workarounds
3290 following code in binutils/sysdep.h.
3293 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3294 this->eh_frame_hdr_ is NULL before using it.
3296 * dynobj.cc (Versions::Versions): Update comment.
3298 * dynobj.cc (Versions::Versions): If there is an soname, use it as
3299 the base version name.
3301 * stringpool.cc (Stringpool_template::add_with_length): Set key to
3302 array size plus one.
3303 (Stringpool_template::set_string_offsets): Subtract one from key
3304 before using it as an array index.
3305 (Stringpool_template::get_offset_with_length): Likewise.
3306 (Stringpool_template::write_to_buffer): Likewise.
3307 * stringpool.h (Stringpool_template::get_offset_from_key):
3310 2008-07-23 Ian Lance Taylor <iant@google.com>
3313 * object.h (Merged_symbol_value::value): Do our best to handle a
3317 * script.cc (Version_script_info::get_versions): Don't add empty
3318 version tag to return value.
3319 (Version_script_info::get_symbol_version_helper): Change return
3320 type to bool. Add pversion parameter. Change all callers.
3321 (script_register_vers_node): Don't require a non-NULL tag.
3322 * script.h (class Version_script_info): Update declarations.
3323 (Version_script_info::get_symbol_version): Change return type to
3324 bool. Add version parameter. Change all callers.
3325 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3326 handling. Handle an empty version from a version script.
3327 (Symbol_table::define_special_symbol): Likewise.
3328 * testsuite/ver_test_10.script: New file.
3329 * testsuite/ver_test_10.sh: New file.
3330 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3331 (check_DATA): Add ver_test_10.syms.
3332 (ver_test_10.syms, ver_test_10.so): New target.
3333 * testsuite/Makefile.in: Rebuild.
3335 2008-07-23 Simon Baldwin <simonb@google.com>
3337 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3338 to zero for undefined symbols from dynamic libraries.
3340 2008-07-23 Ian Lance Taylor <iant@google.com>
3342 * symtab.cc (Symbol_table::resolve): Remove version parameter.
3344 * symtab.h (class Symbol_table): Update declaration.
3345 * testsuite/ver_test_9.cc: New file.
3346 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3347 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3348 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3349 (ver_test_9.so, ver_test_9.o): New targets.
3350 * testsuite/Makefile.in: Rebuild.
3352 2008-07-22 Ian Lance Taylor <iant@google.com>
3354 * options.h (class General_options): Define --check-sections.
3355 * layout.cc (Layout::set_segment_offsets): Handle
3358 * options.h (class General_options): Define -n/--nmagic and
3360 * options.cc (General_options::finalize): For -n/--nmagic or
3361 -N/--omagic, set -static.
3362 * layout.cc (Layout::attach_allocated_section_to_segment): If
3363 -N/--omagic, don't put read-only and read-write sections in
3365 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3366 finding a read-only segment.
3367 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3368 don't set the minimum segment alignment to the common page size,
3369 and don't set the file offset to the address modulo the page size.
3370 * script-sections.cc (Script_sections::create_segments): If
3371 -n/--omagic, don't put read-only and read-write sections in
3374 * cref.cc: New file.
3376 * options.h (class General_options): Add --print-symbol-counts.
3377 * main.cc (main): Issue defined symbol report if requested.
3378 * archive.cc (Archive::interpret_header): Make into a const member
3380 (Archive::add_symbols): Call Input_objects::archive_start and
3382 (Archive::const_iterator): Define new class.
3383 (Archive::begin, Archive::end): New functions.
3384 (Archive::include_all_members): Rewrite to use iterator.
3385 (Archive::count_members): New function.
3386 * archive.h (class Archive): Update declarations.
3387 (Archive::filename): New function.
3388 * object.cc: Include "cref.h".
3389 (Sized_relobj::Sized_relobj): Initialize defined_count_.
3390 (Sized_relobj::do_get_global_symbol_counts): New function.
3391 (Input_objects::add_object): Add object to cross-referencer.
3392 (Input_objects::archive_start): New function.
3393 (Input_objects::archive_stop): New function.
3394 (Input_objects::print_symbol_counts): New function.
3395 * object.h: Declare Cref and Archive.
3396 (Object::get_global_symbol_counts): New function.
3397 (Object::do_get_global_symbol_counts): New pure virtual function.
3398 (class Sized_relobj): Add defined_count_ field. Update
3400 (class Input_objects): Add cref_ field. Update constructor.
3401 Update declarations.
3402 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3404 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3406 (Sized_dynobj::do_get_global_symbol_counts): New function.
3407 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3408 defined_count_. Update declarations. Define Symbols typedef.
3409 * symtab.cc (Symbol_table::add_from_relobj): Add defined
3410 parameter. Change all callers.
3411 (Symbol_table::add_from_dynobj): Add sympointers and defined
3412 parameters. Change all callers.
3413 * symtab.h (class Symbol_table): Update declarations.
3414 * Makefile.am (CCFILES): Add cref.cc.
3415 (HFILES): Add cref.h.
3416 * Makefile.in: Rebuild.
3418 2008-07-22 Simon Baldwin <simonb@google.com>
3420 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3421 to zero when writing undefined symbols.
3423 2008-07-22 Ian Lance Taylor <iant@google.com>
3425 * output.cc (Output_section::add_input_section): Don't try to
3426 merge empty merge sections.
3428 2008-07-21 Craig Silverstein <csilvers@google.com>
3430 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3431 Include symbol version in error message.
3433 2008-07-20 Chris Demetriou <cgd@google.com>
3435 * configure.ac (gold_cv_c_random_seed): New configured variable.
3436 (RANDOM_SEED_CFLAGS): New substituted variable.
3437 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3438 * configure: Rebuild.
3439 * Makefile.in: Likewise.
3440 * testsuite/Makefile.in: Likewise.
3442 2008-07-18 Ian Lance Taylor <iant@google.com>
3444 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3445 where we see NAME/NULL and NAME/VERSION as separate symbols.
3446 * testsuite/ver_test_main.cc (main): Call t4.
3447 (t4, t4_2a): Define.
3448 * testsuite/ver_test_2.cc (t4_2): Define.
3449 * testsuite/ver_test_2.script: Put t4_2a in VER2.
3450 * testsuite/ver_test_4.cc (t4_2a): Define.
3451 * testsuite/ver_test_4.script: Put t4_2a in VER2.
3452 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3454 2008-07-17 Ian Lance Taylor <iant@google.com>
3456 * dynobj.cc (Versions::add_def): If we give an error about a
3457 missing version, go ahead and create the version anyhow.
3459 2008-07-10 Ian Lance Taylor <iant@google.com>
3461 Handle output sections with more than 0x7fffffff bytes.
3462 * object.h (class Relobj): Change map_to_output_ to
3463 output_sections_, and just keep a section pointer. Change all
3464 uses. Move comdat group support to Sized_relobj.
3465 (Relobj::is_section_specially_mapped): Remove.
3466 (Relobj::output_section): Remove poff parameter. Change all
3468 (Relobj::output_section_offset): New function.
3469 (Relobj::set_section_offset): Rewrite.
3470 (Relobj::map_to_output): Remove.
3471 (Relobj::output_sections): New function.
3472 (Relobj::do_output_section_offset): New pure virtual function.
3473 (Relobj::do_set_section_offset): Likewise.
3474 (class Sized_relobj): Add section_offsets_ field. Add comdat
3475 group support from Relobj. Update declarations.
3476 (Sized_relobj::get_output_section_offset): New function.
3477 (Sized_relobj::do_output_section_offset): New function.
3478 (Sized_relobj::do_set_section_offset): New function.
3479 * object.cc (Relobj::output_section_address): Remove.
3480 (Sized_relobj::Sized_relobj): Initialize new fields.
3481 (Sized_relobj::include_section_group): Cast find_kept_object to
3483 (Sized_relobj::include_linkonce_section): Likewise.
3484 (Sized_relobj::do_layout): Use separate arrays for output section
3486 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3488 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3489 output_sections and section_offsets.
3490 (Sized_relobj::write_local_symbols): Likewise.
3491 (map_to_kept_section): Compute output address directly.
3492 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3493 output_sections and section_offsets.
3494 (Sized_relobj::write_sections): Likewise.
3495 (Sized_relobj::relocate_sections): Likewise.
3496 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3497 * output.h (class Output_reloc): Update declarations. Change
3498 u2_.relobj to Sized_relobj*.
3499 (class Output_data_reloc): Change add functions to use
3501 * output.cc (Output_reloc::Output_reloc): Change relobj to
3503 (Output_reloc::local_section_offset): Change return type to
3504 Elf_Addr. Use get_output_section_offset.
3505 (Output_reloc::get_address): Likewise.
3506 (Output_section::is_input_address_mapped): Don't call
3507 is_section_specially_mapped.
3508 (Output_section::output_offset): Likewise.
3509 (Output_section::output_address): Likewise.
3510 (Output_section::starting_output_address): Likewise.
3511 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3512 parameter to Sized_relobj*.
3513 (Copy_relocs::need_copy_reloc): Likewise.
3514 (Copy_relocs::save): Likewise.
3515 * copy-relocs.h (class Copy_relocs): Update declarations.
3516 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3517 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3518 * target-reloc.h (relocate_for_relocatable): Change
3519 offset_in_output_section type to Elf_Addr. Change code that uses
3521 * layout.cc (Layout::layout): Always set *off.
3522 * mapfile.cc (Mapfile::print_input_section): Use
3523 output_section_offset.
3524 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3526 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3527 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3528 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3530 2008-07-03 Ian Lance Taylor <iant@google.com>
3532 * layout.cc (Layout::include_section): Do not discard unrecognized
3533 SHT_STRTAB sections.
3535 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3537 * script.cc (Lex::can_continue_name): Make '?' allowable in
3538 version-script names.
3539 * testsuite/version_script.map: Change glob pattern to use '?'
3541 2008-06-30 Manish Singh <yosh@gimp.org>
3544 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3547 2008-06-30 Ian Lance Taylor <iant@google.com>
3551 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3552 versions]: Don't try to read the value in the contents, since we
3553 don't use it. Use the template endianness when writing.
3555 2008-06-25 Cary Coutant <ccoutant@google.com>
3557 * fileread.cc (File_read::make_view): Assert on zero-length view.
3558 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3559 symbol table when there are no symbols to read.
3561 2008-06-23 Craig Silverstein <csilvers@google.com>
3563 * version.cc (version_string): Bump to 1.7
3565 2008-06-18 Craig Silverstein <csilvers@google.com>
3567 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3568 constant 0xFFFF to type Valtype.
3569 (Powerpc_relocate_functions::rel16_ha): Likewise.
3571 2008-06-17 Ian Lance Taylor <iant@google.com>
3573 * output.h (Output_section::Input_section): Initialize p2align_ to
3574 zero for Output_section_data constructors.
3575 (Output_section::Input_section::addralign): If not an input
3576 section, return the alignment of the Output_section_data.
3577 * testsuite/copy_test.cc: New file.
3578 * testsuite/copy_test_1.cc: New file.
3579 * testsuite/copy_test_2.cc: New file.
3580 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3581 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3582 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3583 (copy_test_1_pic.o, copy_test_1.so): New targets.
3584 (copy_test_2_pic.o, copy_test_2.so): New targets.
3585 * testsuite/Makefile.in: Rebuild.
3587 * script-sections.cc (Script_sections::place_orphan): Initialize
3588 local variable exact.
3590 2008-06-13 David Edelsohn <edelsohn@gnu.org>
3592 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3594 2008-06-12 David Edelsohn <edelsohn@gnu.org>
3595 David S. Miller <davem@davemloft.net>
3597 * powerpc.cc: New file.
3598 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3599 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3600 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3601 * Makefile.in: Rebuild.
3603 2008-06-09 Ian Lance Taylor <iant@google.com>
3605 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3607 (throwing, orig_terminate): New static variables.
3608 (terminate_handler): New static function.
3609 (t2): Set terminate handler.
3611 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3614 * binary.cc (Binary_to_elf::sized_convert): Fix .data
3617 2008-05-30 Cary Coutant <ccoutant@google.com>
3619 * archive.cc (Archive::include_all_members) Correct to step
3620 over symbol table and extended name table in thin archives.
3622 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3625 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3628 2008-05-28 Caleb Howe <cshowe@google.com>
3630 * reduced_debug_output.cc: New file.
3631 * reduced_debug_output.h: New file.
3632 * options.h (class General_options): Add --strip-debug-non-line.
3633 * options.cc (General_options::finalize): Add strip_debug_non_line
3634 to the strip heirarchy.
3635 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3637 * layout.cc: Include "reduced_debug_output.h".
3638 (Layout::Layout): Initialize new fields.
3639 (line_only_debug_sections): New static array.
3640 (is_lines_only_debug_sections): New static inline function.
3641 (Layout::include_section): Handle --strip-debug-non-line.
3642 (Layout::make_output_section): If --strip-debug-non-line, build
3643 new output sections for .debug_abbrev and .debug_info.
3644 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3645 gold. Warn about possible overflow.
3646 (read_signed_LEB_128): Likewise.
3647 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3648 (read_signed_LEB_128): Declare.
3649 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3650 (HFILES): Add reduced_debug_output.h.
3651 * Makefile.in: Rebuild.
3653 2008-05-21 Ian Lance Taylor <iant@google.com>
3655 * mapfile.cc: New file.
3656 * mapfile.h: New file.
3657 * options.h (class General_options): Add -M/--print-map and -Map.
3658 * options.cc (General_options::finalize): Make -M equivalent to
3660 * main.cc: Include <cstdio> and "mapfile.h".
3661 (main): Open mapfile if requested.
3662 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3663 constructor. Change caller.
3664 (queue_initial_tasks): Add mapfile parameter. Change caller.
3665 (queue_middle_tasks): Likewise.
3666 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3668 * archive.cc: Include "mapfile.h".
3669 (Archive::add_symbols): Add mapfile parameter. Change all
3670 callers. Pass mapfile, symbol, and reason to include_member.
3671 (Archive::include_all_members): Add mapfile parameter. Change all
3673 (Archive::include_member): Add mapfile, sym, and why parameters.
3674 Change all callers. Report inclusion to map file.
3675 * archive.h: Include "fileread.h".
3676 (class Archive): Update declarations.
3677 (Archive::file): New const method.
3678 (class Add_archive_symbols): Add mapfile_ field. Update
3679 constructor. Change all callers.
3680 * readsyms.h (class Read_symbols): Likewise.
3681 (class Finish_group): Likewise.
3682 (class Read_script): Likewise.
3683 * common.cc: Include "mapfile.h".
3684 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3686 (Symbol_table::do_allocate_commons): Likewise.
3687 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3688 symbol allocation to mapfile.
3689 * common.h (class Allocate_commons_task): Add mapfile_ field.
3690 Update constructor. Change all callers.
3691 * symtab.h (class Symbol_table): Update declarations.
3692 * layout.cc: Include "mapfile.h".
3693 (Layout_task_runner::run): Print information to mapfile.
3694 (Layout::create_gold_note): Change Output_data_fixed_space to
3695 Output_data_zero_fill.
3696 (Layout::create_build_id): Likewise.
3697 (Layout::print_to_mapfile): New function.
3698 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3699 constructor. Change caller.
3700 (class Layout): Declare print_to_mapfile.
3701 * output.cc (Output_section::Input_section::print_to_mapfile): New
3703 (Output_section::add_input_section): If producing a map, always
3704 add to input_sections_ list.
3705 (Output_section::do_print_to_mapfile): New function.
3706 (Output_segment::print_sections_to_mapfile): New function.
3707 (Output_segment::print_section_list_to_mapfile): New function.
3708 * output.h: Include "mapfile.h".
3709 (Output_data::print_to_mapfile): New function.
3710 (Output_data::do_print_to_mapfile): New virtual function.
3711 (Output_segment_headers::do_print_to_mapfile): New function.
3712 (Output_file_header::do_print_to_mapfile): New function.
3713 (Output_data_const::do_print_to_mapfile): New function.
3714 (class Output_data_const_buffer): Add map_name_ field. Update
3715 constructor. Change all callers. Add do_print_to_mapfile
3717 (class Output_data_fixed_space): Likewise.
3718 (class Output_data_space): Likewise.
3719 (class Output_data_zero_fill): New class.
3720 (Output_data_strtab::do_print_to_mapfile): New function.
3721 (Output_data_reloc_base::do_print_to_mapfile): New function.
3722 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3723 (Output_data_group::do_print_to_mapfile): New function.
3724 (Output_data_got::do_print_to_mapfile): New function.
3725 (Output_data_dynamic::do_print_to_mapfile): New function.
3726 (Output_symtab_xindex::do_print_to_mapfile): New function.
3727 (class Output_section): Declare do_print_to_mapflie. Declare
3728 print_to_mapfile in Input_section.
3729 (class Output_segment): Declare new functions.
3730 * object.h (Sized_relobj::symbol_count): New function.
3731 * script-sections.cc
3732 (Output_section_element_dot_assignment::set_section_addresses):
3733 Change Output_data_fixed_space to Output_data_zero_fill.
3734 (Output_data_expression::do_print_to_mapfile): New function.
3735 * script.cc (read_input_script): Add mapfile parameter. Change
3737 * script.h (read_input_script): Update declaration.
3738 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3739 (Eh_frame::do_print_to_mapfile): New function.
3740 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3741 (Output_merge_string::do_print_to_mapfile): New function.
3742 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3744 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3746 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3748 * Makefile.am (CCFILES): Add mapfile.cc.
3749 (HFILES): Add mapfile.h.
3750 * Makefile.in: Rebuild.
3752 2008-05-19 Ian Lance Taylor <iant@google.com>
3754 * options.h (class General_options): Add -z relro.
3755 * layout.cc (Layout::Layout): Initialize relro_segment_.
3756 (Layout::add_output_section_data): Return the output section.
3757 (Layout::make_output_section): Rcognize relro sections and mark
3759 (Layout::attach_allocated_section_to_segment): Put relro sections
3760 in a PT_GNU_RELRO segment.
3761 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3763 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3765 (Layout::linkonce_mapping): Map d.rel.ro.local to
3767 (Layout::output_section_name): Us .data.rel.ro.local for any
3768 section which begins with that.
3769 * layout.h (class Layout): Update add_output_section_data
3770 declaration. Add relro_segment_ field.
3771 * output.cc (Output_section::Output_section): Initialize is_relro_
3772 and is_relro_local_ fields.
3773 (Output_segment::add_output_section): Group relro sections.
3774 (Output_segment::is_first_section_relro): New function.
3775 (Output_segment::maximum_alignment): If there is a relro section,
3776 align the segment to the common page size.
3777 (Output_segment::set_section_addresses): Track whether we are
3778 looking at relro sections. If the last section is a relro
3779 section, align to the common page size.
3780 (Output_segment::set_section_list_addresses): Add in_relro
3781 parameter. Change all callers. Align to the page size when
3782 moving from relro to non-relro section.
3783 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3785 * output.h (class Output_section): Add is_relro_ and
3786 is_relro_local_ fields.
3787 (Output_section::is_relro): New function.
3788 (Output_section::set_is_relro): New function.
3789 (Output_section::is_relro_local): New function.
3790 (Output_section::set_is_relro_local): New function.
3791 (class Output_segment): Update declarations.
3792 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3793 * sparc.cc (Target_sparc::got_section): Likewise.
3794 * x86_64.cc (Target_x86_64::got_section): Likewise.
3795 * testsuite/relro_test_main.cc: New file.
3796 * testsuite/relro_test.cc: New file.
3797 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3798 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3799 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3800 (relro_test.so, relro_test_pic.o): New targets.
3801 * testsuite/Makefile.in: Rebuild.
3803 2008-05-16 Ian Lance Taylor <iant@google.com>
3805 * output.cc (Output_segment::add_output_section): Remove front
3807 * output.h (class Output_segment): Remove
3808 add_initial_output_section and overloaded add_output_section.
3809 Update declaration of remaining add_output_section.
3810 * layout.cc (Layout::create_interp): Call add_output_section
3811 rather than add_initial_output_section.
3812 (Layout::finish_dynamic_section): Likewise.
3814 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3815 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3816 know the dynamic type.
3817 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3818 field. Initialize it in constructor.
3819 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3820 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3821 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3824 * output.cc (Output_reloc::get_address): Change return type to
3826 * output.h (class Output_reloc): Update get_address declaration.
3827 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3828 for section addresses.
3830 2008-05-09 Ian Lance Taylor <iant@google.com>
3833 * gold.cc (gold_nomem): Use return value of write.
3835 2008-05-08 Ian Lance Taylor <iant@google.com>
3837 * symtab.c (Symbol::init_base_output_data): Add version
3838 parameter. Change all callers.
3839 (Symbol::init_base_output_segment): Likewise.
3840 (Symbol::init_base_constant): Likewise.
3841 (Symbol::init_base_undefined): Likewise.
3842 (Sized_symbol::init_output_data): Likewise.
3843 (Sized_symbol::init_output_segment): Likewise.
3844 (Sized_symbol::init_constant): Likewise.
3845 (Sized_symbol::init_undefined): Likewise.
3846 (Symbol_table::do_define_in_output_data): If the new symbol has a
3847 version, mark it as the default.
3848 (Symbol_table::do_define_in_output_segment): Likewise.
3849 (Symbol_table::do_define_as_constant): Likewise.
3850 * symtab.h (class Symbol): Update declarations.
3851 (class Sized_symbol): Likewise.
3852 * resolve.cc (Symbol::override_version): New function.
3853 (Symbol::override_base): Call override_version.
3854 (Symbol::override_base_with_special): Likewise.
3855 * testsuite/ver_script_8.script: New file.
3856 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3857 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3858 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3859 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3861 2008-05-06 Ian Lance Taylor <iant@google.com>
3864 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3866 (class General_options): Remove existing --undefined, and add
3867 --no-undefined instead. Add new --undefined as synonym for -u.
3868 * archive.cc (Archive::add_symbols): Check whether symbol was
3870 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3871 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3872 all uses. Add IS_UNDEFINED. Update declarations to split
3873 different versions of init_base. Declare init_base_undefined.
3874 (Symbol::is_defined): Handle IS_UNDEFINED.
3875 (Symbol::is_undefined): Likewise.
3876 (Symbol::is_weak_undefined): Call is_undefined.
3877 (Symbol::is_absolute): Handle IS_CONSTANT.
3878 (class Sized_symbol): Update declarations to split different
3879 versions of init. Declare init_undefined.
3880 (class Symbol_table): Declare new functions.
3881 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3883 (Symbol::init_base_output_data): Likewise.
3884 (Symbol::init_base_output_segment): Likewise.
3885 (Symbol::init_base_constant): Likewise.
3886 (Symbol::init_base_undefined): New function.
3887 (Sized_symbol::init_object): Rename from init. Change all
3889 (Sized_symbol::init_output_data): Likewise.
3890 (Sized_symbol::init_output_segment): Likewise.
3891 (Sized_symbol::init_constant): Likewise.
3892 (Sized_symbol::init_undefined): New function.
3893 (Symbol_table::add_undefined_symbols_from_command_line): New
3895 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3897 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3898 (Symbol::output_section): Likewise.
3899 (Symbol::set_output_section): Likewise.
3900 (Symbol_table::sized_finalize_symbol): Likewise.
3901 (Symbol_table::sized_write_globals): Likewise.
3902 * resolve.cc (Symbol_table::should_override): Likewise.
3903 (Symbol::override_base_with_special): Likewise.
3905 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3906 symbol, change it to have default visibility.
3907 * testsuite/protected_1.cc: New file.
3908 * testsuite/protected_2.cc: New file.
3909 * testsuite/protected_3.cc: New file.
3910 * testsuite/protected_main_1.cc: New file.
3911 * testsuite/protected_main_2.cc: New file.
3912 * testsuite/protected_main_3.cc: New file.
3913 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3914 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3915 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3916 (protected_1.so): New target.
3917 (protected_1_pic.o, protected_2_pic.o): New targets.
3918 (protected_3_pic.o): New target.
3919 (check_PROGRAMS): Add protected_2.
3920 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3921 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3922 * testsuite/Makefile.in: Rebuild.
3924 * options.h (DEFINE_var): Add set_user_set_##varname__.
3925 (DEFINE_bool_alias): New macro.
3926 (class General_options): Define -Bstatic using DEFINE_bool_alias
3927 rather than DEFINE_special. Add --undefined as an alias for -z
3929 * options.cc (General_options::parse_Bstatic): Remove.
3931 * options.h (class General_options): Add --fatal-warnings.
3932 * main.cc (main): Implement --fatal-warnings.
3933 * errors.h (Errors::warning_count): New function.
3935 * options.h (class General_options): Add -Bsymbolic-functions.
3936 * symtab.h (Symbol::is_preemptible): Check for
3937 -Bsymbolic-functions.
3939 2008-05-05 Ian Lance Taylor <iant@google.com>
3941 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3942 as noVARNAME rather than no-VARNAME.
3943 (class General_options): Add option -z combreloc.
3944 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3946 (Output_reloc::sort_before) [SHT_REL]: New function.
3947 (Output_reloc::sort_before) [SHT_RELA]: New function.
3948 (class Output_data_reloc_base): Add sort_relocs_ field. Define
3949 Sort_relocs_comparison.
3950 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3951 parameter. Change all callers.
3952 (Output_data_reloc::Output_data_reloc) [both versions]: Add
3953 sort_relocs parameter. Change all callers.
3954 * output.cc (Output_reloc::get_address): New function, broken out
3956 (Output_reloc::write_rel): Call it.
3957 (Output_reloc::compare): New function.
3958 (Output_data_reloc_base::do_write): Optionally sort relocs.
3960 * configure.ac: If targ_extra_obj is set, link it in.
3961 * configure.tgt: Initialize all variables.
3962 (x86_64*): Set targ_extra_obj and targ_extra_size.
3963 * configure: Rebuild.
3965 * object.cc (Sized_relobj::include_section_group): Adjust section
3966 indexes read from group data. Build vector to pass to
3968 * layout.cc (Layout::layout_group): Add flags and shndxes
3969 parameters. Remove contents parameter. Change caller. Update
3970 explicit instantiations.
3971 * layout.h (class Layout): Update layout_group declaration.
3972 * output.cc (Output_data_group::Output_data_group): Add flags and
3973 input_shndxes parameters. Remove contents parameter. Change
3975 (Output_data_group::do_write): Change input_sections_ to
3977 * output.h (class Output_data_group): Update constructor
3978 declaration. Rename input_sections_ to input_shndxes_.
3979 * testsuite/many_sections_test.cc: Add template.
3981 2008-04-30 Cary Coutant <ccoutant@google.com>
3983 * target-reloc.h (relocate_section): Fix dead-pointer bug.
3985 * layout.cc (Layout::include_section): Refactored check for debug
3987 (Layout::add_comdat): Add new parameters. Change type
3988 of signature parameter. Add object and shndx to signatures table.
3989 (Layout::find_kept_object): New function.
3990 * layout.h: Include <cstring>.
3991 (Layout::is_debug_info_section): New function.
3992 (Layout::add_comdat): Add new parameters.
3993 (Layout::find_kept_object): New function.
3994 (Layout::Kept_section): New struct.
3995 (Layout::Signatures): Change type of map range.
3996 * object.cc (Relobj::output_section_address): New function.
3997 (Sized_relobj::include_section_group): Add new parameters. Change
3998 calls to Layout::add_comdat. Change to build table of kept comdat
3999 groups and table mapping discarded sections to kept sections.
4000 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
4001 (Sized_relobj::do_layout): Change calls to include_section_group and
4002 include_linkonce_section.
4003 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4004 value to zero when section is discarded.
4005 (Sized_relobj::map_to_kept_section): New function.
4006 * object.h (Relobj::output_section_address): New function.
4007 (Relobj::Comdat_group): New type.
4008 (Relobj::find_comdat_group): New function.
4009 (Relobj::Comdat_group_table): New type.
4010 (Relobj::Kept_comdat_section): New type.
4011 (Relobj::Kept_comdat_section_table): New type.
4012 (Relobj::add_comdat_group): New function.
4013 (Relobj::set_kept_comdat_section): New function.
4014 (Relobj::get_kept_comdat_section): New function.
4015 (Relobj::comdat_groups_): New field.
4016 (Relobj::kept_comdat_sections_): New field.
4017 (Symbol_value::input_value): Update comment.
4018 (Sized_relobj::map_to_kept_section) New function.
4019 (Sized_relobj::include_linkonce_section): Add new parameter.
4020 * target-reloc.h (Comdat_behavior): New type.
4021 (get_comdat_behavior): New function.
4022 (relocate_section): Add code to map a discarded section to the
4023 corresponding kept section when applying a relocation.
4025 2008-04-30 Craig Silverstein <csilvers@google.com>
4027 * dwarf_reader.cc (next_generation_count): New static var.
4028 (Addr2line_cache_entry): New struct.
4029 (addr2line_cache): New static var.
4030 (Dwarf_line_info::one_addr2line): Added caching.
4031 (Dwarf_line_info::clear_addr2line_cache): New function.
4032 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4033 cache-size parameter.
4034 (Dwarf_line_info::one_addr2line_cache): New function.
4035 * symtab.cc (Symbol_table::detect_odr_violations): Pass
4036 new cache-size argument to one_addr2line(), and clear cache.
4038 2008-04-28 Cary Coutant <ccoutant@google.com>
4040 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4041 R_386_PC8 relocations.
4043 2008-04-23 Ian Lance Taylor <iant@google.com>
4045 * object.cc (Sized_relobj::include_section_group): Check for
4046 invalid section group.
4048 * object.cc (make_elf_object): Correct test for 64-bit ELF file
4051 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4052 than read for file header.
4053 * archive.cc (Archive::include_member): Likewise.
4055 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
4057 * aclocal.m4: Regenerate.
4058 * configure: Regenerate.
4060 2008-04-19 Ian Lance Taylor <iant@google.com>
4062 * version.cc (version_string): Bump to 1.6.
4064 * testsuite/Makefile.am (many_sections_r_test): New target.
4065 (many_sections_r_test_SOURCES): Remove.
4066 (many_sections_r_test_DEPENDENCIES): Remove.
4067 (many_sections_r_test_LDFLAGS): Remove.
4068 (many_sections_r_test_LDADD): Remove.
4070 * object.cc (Sized_relobj::do_add_symbols): Always pass
4071 local_symbol_count_ to add_from_relobj.
4073 * testsuite/Makefile.am (many_sections_check.h): Only check one in
4074 every thousand variables.
4075 * testsuite/Makefile.in: Rebuild.
4077 * object.cc (Xindex::initialize_symtab_xindex): New function.
4078 (Xindex::read_symtab_xindex): New function.
4079 (Xindex::sym_xindex_to_shndx): New function.
4080 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4082 (Sized_relobj::do_initialize_xindex): New function.
4083 (Sized_relobj::do_read_symbols): Adjust section links.
4084 (Sized_relobj::symbol_section_and_value): Add is_ordinary
4085 parameter. Change all callers.
4086 (Sized_relobj::include_section_group): Adjust section links and
4087 symbol section indexes.
4088 (Sized_relobj::do_layout): Adjust section links.
4089 (Sized_relobj::do_count_local_symbols): Adjust section links and
4090 symbol section indexes.
4091 (Sized_relobj::do_finalize_local_symbols): Distinguish between
4092 ordinary and special symbols.
4093 (Sized_relobj::write_local_symbols): Add symtab_xindex and
4094 dynsym_xindex parameters. Change all callers. Adjust section
4095 links. Use SHN_XINDEX when needed.
4096 (Sized_relobj::get_symbol_location_info): Adjust section links.
4097 Don't get fooled by special symbols.
4098 * object.h (class Xindex): Define.
4099 (class Object): Add xindex_ parameter. Declare virtual functoin
4100 do_initialize_xindex.
4101 (Object::adjust_sym_shndx): New function.
4102 (Object::set_xindex): New protected function.
4103 (class Symbol_value): Add is_ordinary_shndx_ field.
4104 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4105 (Symbol_value::value): Assert ordinary section.
4106 (Symbol_value::initialize_input_to_output_map): Likewise.
4107 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4109 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
4111 (class Sized_relobj): Update declarations.
4112 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4113 parameter. Change all callers.
4114 (Sized_relobj::adjust_shndx): New function.
4115 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4117 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4118 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
4119 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
4120 (Sized_dynobj::read_dynsym_section): Adjust section links.
4121 (Sized_dynobj::read_dynamic): Likewise.
4122 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
4124 (Sized_dynobj::do_initialize_xindex): New function.
4125 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
4126 do_initialize_xindex.
4127 (Sized_dynobj::adjust_shndx): New function.
4128 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4129 dynsym_xindex_ fields.
4130 (Layout::finalize): Add a call to set_section_indexes before
4131 creating the symtab sections.
4132 (Layout::set_section_indexes): Don't do anything if the section
4133 already has a section index.
4134 (Layout::create_symtab_sections): Add shnum parameter. Change
4135 caller. Create .symtab_shndx section if needed.
4136 (Layout::create_shdrs): Add shstrtab_section parameter. Change
4138 (Layout::allocated_output_section_count): New function.
4139 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4141 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4142 fields. Update declarations.
4143 (Layout::symtab_xindex): New function.
4144 (Layout::dynsym_xindex): New function.
4145 (class Write_symbols_task): Add layout_ field.
4146 (Write_symbols_task::Write_symbols_task): Add layout parameter.
4148 * output.cc (Output_section_headers::Output_section_headers): Add
4149 shstrtab_section parameter. Change all callers.
4150 (Output_section_headers::do_sized_write): Store overflow values
4151 for section count and section string table section index in
4152 section header zero.
4153 (Output_file_header::do_sized_write): Check for overflow of
4154 section count and section string table section index.
4155 (Output_symtab_xindex::do_write): New function.
4156 (Output_symtab_xindex::endian_do_write): New function.
4157 * output.h (class Output_section_headers): Add shstrtab_section_.
4158 Update declarations.
4159 (class Output_symtab_xindex): Define.
4160 (Output_section::has_out_shndx): New function.
4161 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4163 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4165 (Sized_symbol::init): Likewise.
4166 (Symbol::output_section): Check for ordinary symbol.
4167 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
4168 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
4170 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4171 Change all callers. Simplify handling of symbols from sections
4172 not included in the link.
4173 (Symbol_table::add_from_dynobj): Handle ordinary symbol
4175 (Weak_alias_sorter::operator()): Assert that symbols are
4177 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4179 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4180 parameters. Change all callers.
4181 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
4182 symbol distinction. Use SHN_XINDEX when needed.
4183 (Symbol_table::write_section_symbol): Add symtab_xindex
4184 parameter. Change all callers.
4185 (Symbol_table::sized_write_section_symbol): Likewise. Use
4186 SHN_XINDEX when needed.
4187 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
4189 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
4190 (Symbol::is_defined): Check is_ordinary.
4191 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4192 (Symbol::is_absolute, Symbol::is_common): Likewise.
4193 (class Sized_symbol): Update declarations.
4194 (class Symbol_table): Update declarations.
4195 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4196 parameters. Change all callers.
4197 (Sized_symbol::override): Likewise.
4198 (Symbol_table::override): Likewise.
4199 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
4200 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
4201 is_ordinary, and orig_st_shndx parameters. Change all callers.
4202 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4203 to be in an ordinary section.
4204 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4205 object and is_ordinary parameters. Change all callers.
4206 (Sized_dwarf_line_info::read_relocs): Add object parameter.
4207 Change all callers. Don't add undefined or non-ordinary symbols
4209 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4211 * dwarf_reader.h (class Sized_dwarf_line_info): Update
4213 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4214 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4215 (Sized_relobj::relocate_sections): Likewise.
4216 * target-reloc.h (scan_relocs): Adjust section symbol index.
4217 (scan_relocatable_relocs): Likewise.
4218 * i386.cc (Scan::local): Check for ordinary symbols.
4219 * sparc.cc (Scan::local): Likewise.
4220 * x86_64.cc (Scan::local): Likewise.
4221 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4222 to symbol_section_and_value.
4223 * testsuite/many_sections_test.cc: New file.
4224 * testsuite/Makefile.am (BUILT_SOURCES): Define.
4225 (check_PROGRAMS): Add many_sections_test.
4226 (many_sections_test_SOURCES): Define.
4227 (many_sections_test_DEPENDENCIES): Define.
4228 (many_sections_test_LDFLAGS): Define.
4229 (BUILT_SOURCES): Add many_sections_define.h.
4230 (many_sections_define.h): New target.
4231 (BUILT_SOURCES): Add many_sections_check.h.
4232 (many_sections_check.h): New target.
4233 (check_PROGRAMS): Add many_sections_r_test.
4234 (many_sections_r_test_SOURCES): Define.
4235 (many_sections_r_test_DEPENDENCIES): Define.
4236 (many_sections_r_test_LDFLAGS): Define.
4237 (many_sections_r_test_LDADD): Define.
4238 (many_sections_r_test.o): New target.
4239 * testsuite/Makefile.in: Rebuild.
4241 2008-04-17 Cary Coutant <ccoutant@google.com>
4243 * errors.cc (Errors::info): New function.
4244 (gold_info): New function.
4245 * errors.h (Errors::info): New function.
4246 * gold.h (gold_info): New function.
4247 * object.cc (Input_objects::add_object): Print trace output.
4248 * options.cc (options::parse_set): New function.
4249 (General_options::parse_wrap): Deleted.
4250 (General_options::General_options): Deleted initializer.
4251 * options.h (options::String_set): New typedef.
4252 (options::parse_set): New function.
4253 (DEFINE_set): New macro.
4254 (General_options::wrap): Changed to use DEFINE_set. Changed
4255 callers of any_wrap_symbols and is_wrap_symbol.
4256 (General_options::trace, General_options::trace_symbol):
4258 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4259 (General_options::wrap_symbols_): Deleted.
4260 * symtab.cc (Symbol_table::add_from_object): Print trace output.
4262 2008-04-17 David S. Miller <davem@davemloft.net>
4264 * options.cc (General_options::parse_V): New function.
4265 * options.h: Add entries for -V and -Qy.
4267 2008-04-17 Ian Lance Taylor <iant@google.com>
4269 * common.cc (Symbol_table::allocate_commons): Remove options
4270 parameter. Change caller.
4271 (Symbol_table::do_allocate_commons): Remove options parameter.
4272 Change caller. Just call do_allocate_commons_list twice.
4273 (Symbol_table::do_allocate_commons_list): New function, broken out
4274 of do_allocate_commons.
4275 * common.h (class Allocate_commons_task): Remove options_ field.
4277 * symtab.cc (Symbol_table::Symbol_table): Initialize
4279 (Symbol_table::add_from_object): Put TLS common symbols on
4281 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4282 which are IN_OUTPUT_DATA.
4283 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
4284 allocate_commons and do_allocate_commons declarations. Declare
4285 do_allocate_commons_list.
4286 * gold.cc (queue_middle_tasks): Update creation of
4287 Allocate_commons_task to not pass options.
4288 * testsuite/Makefile.am (INCLUDES): Add -I.. .
4289 (TLS_TEST_C_FLAGS): New variable.
4290 (tls_test_c_pic.o): New target.
4291 (tls_test_shared.so): Link in tls_test_c_pic.o.
4292 (tls_test_c_pic_ie.o): New target.
4293 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4294 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4295 (tls_test_c.o): New target.
4296 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4297 (tls_pic_test_LDADD): Likewise.
4298 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4299 (tls_shared_gd_to_ie_test_LDADD): Likewise.
4300 (tls_test_c_gnu2.o): New target.
4301 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4303 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4304 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4305 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4306 * testsuite/tls_test.cc: Include "config.h".
4307 (t_last): Call t11_last.
4308 * testsuite/tls_test.h (t11, t11_last): Declare.
4309 * testsuite/tls_test_c.c: New file.
4310 * testsuite/tls_test_main.cc (thread_routine): Call t11.
4311 * configure.ac: Check for OpenMP support.
4312 * configure, config.in, Makefile.in: Rebuild.
4313 * testsuite/Makefile.in: Rebuild.
4315 2008-04-16 Cary Coutant <ccoutant@google.com>
4317 * i386.cc (Target_i386::define_tls_base_symbol): New function.
4318 (Target_i386::tls_base_symbol_defined_): New field.
4319 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4320 (Target_i386::Scan::global): Likewise.
4321 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4322 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4323 (Target_x86_64::tls_base_symbol_defined_): New field.
4324 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4325 (Target_x86_64::Scan::global): Likewise.
4327 2008-04-16 Cary Coutant <ccoutant@google.com>
4329 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4330 (Symbol::needs_plt_entry): Allow weak undefined symbols.
4331 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4332 building shared libraries.
4333 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4334 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4335 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4336 * testsuite/Makefile.in: Rebuild.
4337 * testsuite/weak_undef.h: New file.
4338 * testsuite/weak_undef_file1.cc: Add extra test cases.
4339 * testsuite/weak_undef_file2.cc: Likewise.
4340 * testsuite/weak_undef_test.cc: Likewise.
4342 2008-04-16 David S. Miller <davem@davemloft.net>
4344 * sparc.cc (Target_sparc::Scan): Change from struct to class.
4345 Add issued_non_pic_error_ field. Declare check_non_pic.
4346 (Target_sparc::Scan::check_non_pic): New function.
4347 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4348 (Target_sparc::Scan::global): Likewise.
4350 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4351 * configure: Rebuild.
4353 * options.h (DEFINE_enable): New macro.
4354 (new_dtags): New enable option.
4355 (initfirst, interpose, loadfltr, nodefaultlib,
4356 nodelete, nodlopen, nodump): New -z options.
4357 * layout.cc (Layout:finish_dynamic_section): If new
4358 dtags enabled, emit DT_RUNPATH. Also, emit a
4359 DT_FLAGS_1 containing any specified -z flags.
4361 2008-04-16 Ian Lance Taylor <iant@google.com>
4363 * copy-relocs.cc: New file.
4364 * copy-relocs.h: New file.
4365 * reloc.cc: Remove Copy_relocs code.
4366 * reloc.h: Likewise.
4367 * reloc-types.h (struct Reloc_types) [both versions]: Add
4368 get_reloc_addend_noerror.
4369 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4370 variants of add_global which take an addend which must be zero.
4371 * i386.cc: Include "copy-relocs.h".
4372 (class Target_i386): Change type of copy_relocs_ to variable,
4374 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4376 (Target_i386::do_finalize_sections): Change handling of
4378 * sparc.cc: Include "copy-relocs.h".
4379 (class Target_sparc): Change type of copy_relocs_ to variable,
4381 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4383 (Target_sparc::do_finalize_sections): Change handling of
4385 * x86_64.cc: Include "copy-relocs.h".
4386 (class Target_x86_64): Change type of copy_relocs_ to variable,
4388 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4389 class. Change all callers.
4390 (Target_x86_64::do_finalize_sections): Change handling of
4392 * Makefile.am (CCFILES): Add copy-relocs.cc.
4393 (HFILES): Add copy-relocs.h.
4395 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4397 * testsuite/script_test_4.sh: Permit leading zeroes.
4399 2008-04-15 Ian Lance Taylor <iant@google.com>
4401 * script-sections.cc (Script_sections::create_segments): Use
4402 header_size_adjustment even when there is enough room for the
4404 * testsuite/script_test_4.sh: New file.
4405 * testsuite/script_test_4.t: New file.
4406 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4407 (check_DATA): Add script_test_4.stdout.
4408 (MOSTLYCLEANFILES): Likewise.
4409 (script_test_4): New target.
4410 (script_test_4.stdout): New target.
4411 * testsuite/Makefile.in: Rebuild.
4413 * sparc.cc: Add definitions for Output_data_plt_sparc class
4416 2008-04-14 David S. Miller <davem@davemloft.net>
4418 * sparc.cc: New file.
4419 * Makefile.am (TARGETSOURCES): Add sparc.cc
4420 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4421 * configure.tgt: Document targ_extra_size and
4422 targ_extra_big_endian. Add entries for sparc-* and
4424 * configure.ac: Handle targ_extra_size and
4425 targ_extra_big_endian.
4426 * Makefile.in: Rebuild.
4427 * configure: Likewise.
4428 * po/POTFILES.in: Likewise.
4429 * po/gold.pot: Likewise.
4431 2008-04-14 Ian Lance Taylor <iant@google.com>
4433 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4434 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4435 in the name/type/flags to section mapping. Don't call
4436 allocate_output_section.
4437 (Layout::choose_output_section): Change parameter from adjust_name
4438 to is_input_section. Don't permit input sections after sections
4439 are attached to segments. Don't call allocate_output_section.
4440 (Layout::layout_eh_frame): Call update_flags_for_input_section,
4441 not write_enable_output_section.
4442 (Layout::make_output_section): Don't push to
4443 unattached_section_list_ nor call attach_to_segment. Call
4444 attach_section_to_segment if sections are attached.
4445 (Layout::attach_sections_to_segments): New function.
4446 (Layout::attach_section_to_segment): New function.
4447 (Layout::attach_allocated_section_to_segment): Rename from
4448 attach_to_segment. Remove flags parameter.
4449 (Layout::allocate_output_section): Remove function.
4450 (Layout::write_enable_output_section): Remove function.
4451 * layout.h (class Layout): Update for above changes. Add new
4452 field sections_are_attached_.
4453 * output.h (Output_section::update_flags_for_input_section): New
4455 * output.cc (Output_section::add_input_section): Call
4456 update_flags_for_input_section.
4457 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4459 2008-04-11 Cary Coutant <ccoutant@google.com>
4461 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4462 thought unnecessary.
4463 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4465 2008-04-11 Ian Lance Taylor <iant@google.com>
4467 * output.h (class Output_section_data): Remove inline definition
4469 * output.cc (Output_section_data::set_addralign): New function.
4471 2008-04-11 Cary Coutant <ccoutant@google.com>
4473 Add support for TLS descriptors for i386 and x86_64.
4474 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4475 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4476 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4478 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4479 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4480 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4482 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4483 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4484 Fix problem with initial-exec relocations.
4485 (Target_i386::Relocate::relocate_tls): Likewise.
4486 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4488 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4489 support for section-plus-offset dynamic table entries.
4490 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4491 (Output_data_dynamic::Dynamic_entry): Add support for
4492 section-plus-offset dynamic table entries.
4493 (Output_data_dynamic::Classification): Likewise.
4494 (Output_data_dynamic::classification_): Renamed offset_.
4495 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4496 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4497 (Target_x86_64::make_plt_section): New function.
4498 (Target_x86_64::reserve_tlsdesc_entries): New function.
4499 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4500 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4501 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4502 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4503 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4504 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4505 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4506 add extra PLT entry for TLS descriptors.
4507 (Output_data_plt_x86_64::got_): New field.
4508 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4509 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4511 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4513 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4514 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4515 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4516 R_386_TLS_DESC_CALL relocations.
4517 (Target_x86_64::Scan::global): Likewise.
4518 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4519 for TLS descriptors.
4520 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4521 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4522 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4523 GD-to-IE relaxation.
4524 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4525 and TLS_DESCRIPTORS.
4526 * Makefile.in: Rebuild.
4527 * configure: Rebuild.
4528 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4529 (tls_test_shared2.so): New target.
4530 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4531 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4532 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4533 (tls_shared_gd_to_ie_test_LDADD): New variable.
4534 (tls_shared_gnu2_gd_to_ie_test): New target.
4535 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4537 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4538 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4539 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4540 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4541 (tls_shared_gnu2_test): New target.
4542 (tls_test_gnu2_shared.so): New target.
4543 (tls_shared_gnu2_test_SOURCES): New variable.
4544 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4545 (tls_shared_gnu2_test_LDFLAGS): New variable.
4546 (tls_shared_gnu2_test_LDADD): New variable.
4547 * testsuite/Makefile.in: Rebuild.
4548 * testsuite/Makefile.
4550 2008-04-11 Ian Lance Taylor <iant@google.com>
4552 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4554 * testsuite/Makefile.in: Rebuild.
4556 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4558 * testsuite/script_test_2.cc (main): Adjust test.
4560 2008-04-11 David S. Miller <davem@davemloft.net>
4561 Ian Lance Taylor <iant@google.com>
4563 * options.h (General_options): Add entries for '-Y' and
4565 * options.cc (General_options:finalize): If -Y was used, add those
4566 entries to the library path instead of the default "/lib" and
4569 2008-04-11 David S. Miller <davem@davemloft.net>
4571 * testsuite/justsyms.t: Start at 0x100.
4572 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4573 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4575 * testsuite/script_test_2.cc: Adjust string and section length
4578 2008-04-09 Ian Lance Taylor <iant@google.com>
4581 * script-sections.cc (Sections_element::allocate_to_segment): Add
4583 (Output_section_definition::allocate_to_segment): Likewise.
4584 (Orphan_output_section::allocate_to_segment): Likewise.
4585 (Script_sections::attach_sections_using_phdrs_clause): Don't
4586 propagate non-PT_LOAD segments to orphan sections.
4587 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4588 readelf rather than objdump.
4589 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4590 .interp section and PT_INTERP segment are the same size.
4591 * testsuite/Makefile.in: Rebuild.
4593 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4594 aliases for symbols defined in the same object.
4595 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4596 (weak_alias_test_SOURCES): New variable.
4597 (weak_alias_test_DEPENDENCIES): New variable.
4598 (weak_alias_test_LDFLAGS): New variable.
4599 (weak_alias_test_LDADD): New variable.
4600 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4601 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4602 (weak_alias_test_3.o): New target.
4603 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4604 * testsuite/weak_alias_test_main.cc: New file.
4605 * testsuite/weak_alias_test_1.cc: New file.
4606 * testsuite/weak_alias_test_2.cc: New file.
4607 * testsuite/weak_alias_test_3.cc: New file.
4609 2008-04-08 Ian Lance Taylor <iant@google.com>
4611 * options.h (class General_options): Add --noinhibit-exec option.
4612 * main.cc (main): Check --noinhibit-exec.
4614 * options.h (class General_options): Define --wrap as a special
4615 option. Add wrap_symbols_ field.
4616 (General_options::any_wrap_symbols): New function.
4617 (General_options::is_wrap_symbol): New function.
4618 * options.cc (General_options::parse_wrap): New function.
4619 (General_options::General_options): Initialize wrap_symbols_.
4620 * symtab.cc (Symbol_table::wrap_symbol): New function.
4621 (Symbol_table::add_from_object): Handle --wrap.
4622 * symtab.h (class Symbol_table): Declare wrap_symbol.
4623 * target.h (Target::wrap_char): New function.
4624 (Target::Target_info): Add wrap_char field.
4625 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4626 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4627 * testsuite/testfile.cc (Target_test::test_target_info):
4630 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4633 * layout.h (class Layout): Add added_eh_frame_data_ field.
4634 * layout.cc (Layout::Layout): Initialize new field.
4635 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4636 output section until we find a section we merged successfully.
4637 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4638 that the size be non-zero.
4640 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4643 2008-04-08 Craig Silverstein <csilvers@google.com>
4645 * configure.ac: Export new conditional variable HAVE_ZLIB.
4646 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4648 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4649 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4651 2008-04-07 Ian Lance Taylor <iant@google.com>
4653 * version.cc (version_string): Set to "1.5".
4655 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4656 Add issued_non_pic_error_ field. Declare check_non_pic.
4657 (Target_x86_64::Scan::check_non_pic): New function.
4658 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4659 (Target_x86_64::Scan::global): Likewise.
4661 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4662 addend parameter. Change caller. Handle merge sections.
4663 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4664 Address to Addend. Don't add in the result of
4665 local_section_offset, pass down the addend and use the returned
4667 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4668 Update declarations of local_section_offset and symbol_value.
4669 * testsuite/two_file_test_1.cc (t18): New function.
4670 * testsuite/two_file_test_2.cc (f18): New function.
4671 * testsuite/two_file_test_main.cc (main): Call t18.
4672 * testsuite/two_file_test.h (t18, f18): Declare.
4674 * configure.ac: Don't test for objdump, c++filt, or readelf.
4675 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4677 (TEST_READELF): New variable.
4678 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4679 (check_PROGRAMS): Add two_file_strip_test.
4680 (two_file_strip_test): New target.
4681 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4682 (two_file_same_shared_strip_test_SOURCES): New variable.
4683 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4684 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4685 (two_file_same_shared_strip_test_LDADD): New variable.
4686 (two_file_shared_strip.so): New target.
4687 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4688 (ver_test_5.syms, ver_test_7.syms): Likewise.
4689 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4690 (strip_test_3.stdout): Use TEST_OBJDUMP.
4691 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4693 2008-04-04 Cary Coutant <ccoutant@google.com>
4695 * symtab.h (Symbol::is_weak_undefined): New function.
4696 (Symbol::is_strong_undefined): New function.
4697 (Symbol::is_absolute): New function.
4698 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4699 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4701 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4702 (weak_undef_test): New target.
4703 * testsuite/Makefile.in: Rebuild.
4704 * testsuite/weak_undef_file1.cc: New file.
4705 * testsuite/weak_undef_file2.cc: New file.
4706 * testsuite/weak_undef_test.cc: New file.
4708 2008-04-03 Craig Silverstein <csilvers@google.com>
4710 * compressed_output.h (class Output_compressed_section): Use
4712 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4714 (zlib_compressed_suffix): Removed.
4715 (Output_compressed_section::set_final_data_size): Use unsigned
4717 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4718 Fix linker invocation.
4719 (flagstest_o_specialfile_and_compress_debug_sections):
4721 * testsuite/Makefile.in: Regenerated.
4723 2008-04-02 David S. Miller <davem@davemloft.net>
4725 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4726 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4728 2008-04-02 Craig Silverstein <csilvers@google.com>
4732 2008-04-02 Ian Lance Taylor <iant@google.com>
4734 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4735 parameters. Update for new key type to views_. Change all
4737 (File_read::read): Adjust for byteshift in returned view.
4738 (File_read::add_view): New function, broken out of
4740 (File_read::make_view): New function, broken out of
4742 (File_read::find_or_make_view): Add offset and aligned
4743 parameters. Rewrite accordingly. Change all callers.
4744 (File_read::get_view): Add offset and aligned parameters. Adjust
4745 for byteshift in return value.
4746 (File_read::get_lasting_view): Likewise.
4747 * fileread.h (class File_read): Update declarations.
4748 (class File_read::View): Add byteshift_ field. Add byteshift to
4749 constructor. Add byteshift method.
4750 * archive.h (Archive::clear_uncached_views): New function.
4751 (Archive::get_view): Add aligned parameter. Change all callers.
4752 * object.h (Object::get_view): Add aligned parameter. Change all
4754 (Object::get_lasting_view): Likewise.
4756 * fileread.cc (File_read::release): Don't call clear_views if
4757 there are multiple objects.
4758 * fileread.h (File_read::clear_uncached_views): New function.
4759 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4762 2008-03-31 Cary Coutant <ccoutant@google.com>
4764 Add thin archive support.
4765 * archive.cc (Archive::armagt): New const.
4766 (Archive::setup): Remove task parameter and calls to unlock.
4767 (Archive::unlock_nested_archives): New function.
4768 (Archive::read_header): Add nested_off parameter. Change
4770 (Archive::interpret_header): Likewise.
4771 (Archive::include_all_members): Change to handle thin
4773 (Archive::include_member): Likewise.
4774 * archive.h (Archive::Archive): Add new parameters and
4776 (Archive::armagt): New const.
4777 (Archive::setup): Remove task parameter.
4778 (Archive::unlock_nested_archives): New function.
4779 (Archive::read_header): Add nested_off parameter.
4780 (Archive::interpret_header): Likewise.
4781 (Archive::Nested_archive_table): New typedef.
4782 (Archive::is_thin_archive_): New field.
4783 (Archive::nested_archives_): New field.
4784 (Archive::options_): New field.
4785 (Archive::dirpath_): New field.
4786 (Archive::task_): New field.
4787 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4788 for thin archives. Pass additional parameters to
4789 Archive::Archive. Unlock the archive file after calling
4792 2008-03-29 Ian Lance Taylor <iant@google.com>
4794 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4795 version symbol to be local.
4796 * testsuite/ver_test_4.sh: New file.
4797 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4798 (check_DATA): Add ver_test_4.syms.
4799 (ver_test_4.syms): New target.
4800 * testsuite/Makefile.in: Rebuild.
4803 (Output_section::Input_section_sort_entry::has_priority): New
4805 (Output_section::Input_section_sort_entry::match_file_name): New
4807 (Output_section::Input_section_sort_entry::match_section_name):
4809 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4811 (Output_section::Input_section_sort_entry::match_section_file):
4813 (Output_section::Input_section_sort_compare::operator()): Rewrite
4814 using new Input_section_sort_entry functions. Sort crtbegin and
4815 crtend first. Sort sections with no priority before sections with
4817 * testsuite/initpri1.c (d3): Check j != 4.
4818 (cd5): New constructor/destructor function.
4819 (main): Check j != 2.
4821 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4822 new symbol when resolving, don't call set_is_default.
4823 * testsuite/ver_test_7.cc: New file.
4824 * testsuite/ver_test_7.sh: New file.
4825 * testsuite/Makefile.am (ver_test_7.so): New target.
4826 (ver_test_7.o): New target.
4827 (check_SCRIPTS): Add ver_test_7.sh.
4828 (check_DATA): Add ver_test_7.syms.
4829 (ver_test_7.syms): New target.
4831 2008-03-28 Ian Lance Taylor <iant@google.com>
4833 * layout.cc (Layout::layout): If we see an input section with a
4834 name that needs sorting, set the must_sort flag for the output
4836 (Layout::make_output_section): If the name of the output section
4837 indicates that it might require sorting, set the may_sort flag.
4838 * output.h (Output_section::may_sort_attached_input_sections): New
4840 (Output_section::set_may_sort_attached_input_sections): New
4842 (Output_section::must_sort_attached_input_sections): New
4844 (Output_section::set_must_sort_attached_input_sections): New
4846 (class Output_section): Declare Input_section_sort_entry. Define
4847 Input_section_sort_compare. Declare
4848 sort_attached_input_sections. Add new fields:
4849 may_sort_attached_input_sections_,
4850 must_sort_attached_input_sections_,
4851 attached_input_sections_are_sorted_.
4852 * output.cc (Output_section::Output_section): Initialize new
4854 (Output_section::add_input_section): Add an entry to
4855 input_sections_ if may_sort or must_sort are true.
4856 (Output_section::set_final_data_size): Call
4857 sort_attached_input_sections if necessary.
4858 (Output_section::Input_section_sort_entry): Define new class.
4859 (Output_section::Input_section_sort_compare::operator()): New
4861 (Output_section::sort_attached_input_sections): New function.
4862 * configure.ac: Check whether the compiler supports constructor
4863 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4864 * testsuite/initpri1.c: New file.
4865 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4866 CONSTRUCTOR_PRIORITY.
4867 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4868 (initpri1_LDFLAGS): New variable.
4869 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4871 2008-03-27 Ian Lance Taylor <iant@google.com>
4873 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4874 * testsuite/common_test_1.c: New file.
4875 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4876 (common_test_1_SOURCES): New variable.
4877 (common_test_1_DEPENDENCIES): New variable.
4878 (common_test_1_LDFLAGS): New variable.
4880 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4881 and commons_ correctly when NAME/VERSION does not override
4883 * testsuite/ver_test_6.c: New file.
4884 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4885 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4886 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4888 2008-03-26 Ian Lance Taylor <iant@google.com>
4890 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4891 of an undefined symbol from a version script.
4892 * testsuite/Makefile.am (ver_test_5.so): New target.
4893 (ver_test_5.o): New target.
4894 (check_SCRIPTS): Add ver_test_5.sh.
4895 (check_DATA): Add ver_test_5.syms.
4896 (ver_test_5.syms): New target.
4897 * testsuite/ver_test_5.cc: New file.
4898 * testsuite/ver_test_5.script: New file.
4899 * testsuite/ver_test_5.sh: New file.
4900 * Makefile.in, testsuite/Makefile.in: Rebuild.
4903 Fix problems building gold with gcc 4.3.0.
4904 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4905 (gold_error_at_location, gold_warning_at_location): Use it.
4906 * configure.ac: Check whether we can compile and use a template
4907 function with a printf attribute.
4908 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4909 when jumping over bytes.
4910 * object.cc: Instantiate Object::read_section_data.
4911 * debug.h: Include <cstring>
4912 * dwarf_reader.cc: Include <algorithm>
4913 * main.cc: Include <cstring>.
4914 * options.cc: Include <cstring>.
4915 * output.cc: Include <cstring>.
4916 * script.cc: Include <cstring>.
4917 * script.h: Include <string>.
4918 * symtab.cc: Include <cstring> and <algorithm>.
4919 * target-select.cc: Include <cstring>.
4920 * version.cc: Include <string>.
4921 * testsuite/testmain.cc: Include <cstdlib>.
4922 * configure, config.in: Rebuild.
4924 2008-03-25 Ian Lance Taylor <iant@google.com>
4926 * options.cc: Include "../bfd/bfdver.h".
4927 (options::help): Print bug reporting address.
4929 * version.cc (print_version): Adjust output for current value of
4934 * options.cc (options::help): Print list of supported targets.
4935 * target-select.h: Include <vector>.
4936 (class Target_selector): Make machine_, size_, and is_big_endian_
4937 fields const. Add bfd_name_ and instantiated_target_ fields.
4938 (Target_selector::Target_selector): Add bfd_name parameter.
4939 (Target_selector::recognize): Make non-virtual, call
4941 (Target_selector::recognize_by_name): Make non-virtual, call
4942 do_recognize_by_name.
4943 (Target_selector::supported_names): New function.
4944 (Target_selector::bfd_name): New function.
4945 (Target_selector::do_instantiate_target): New pure virtual
4947 (Target_selector::do_recognize): New virtual function.
4948 (Target_selector::do_recognize_by_name): New virtual function.
4949 (Target_selector::instantiate_target): New private function.
4950 (supported_target_names): Declare.
4951 * target-select.cc (Target_selector::Target_selector): Update for
4952 new parameter and fields.
4953 (select_target_by_name): Check that the name matches before
4954 calling recognize_by_name.
4955 (supported_target_names): New function.
4956 * i386.cc (class Target_selector_i386): Update Target_selector
4957 constructor call. Remove recognize and recognize_by_name. Add
4958 do_instantiate_target.
4959 * x86_64.cc (class Target_selector_x86_64): Likewise.
4960 * testsuite/testfile.cc (class Target_selector_test): Update for
4961 changes to Target_selector.
4963 * README: Rewrite, with some notes on unsupported features.
4965 2008-03-24 Cary Coutant <ccoutant@google.com>
4967 * i386.cc (Target_i386::Got_type): New enum declaration.
4968 (Target_i386::Scan::local): Updated callers of Output_data_got
4970 (Target_i386::Scan::global): Likewise.
4971 (Target_i386::Relocate::relocate): Likewise.
4972 (Target_i386::Relocate::relocate_tls): Likewise.
4973 * object.h (Got_offset_list): New class.
4974 (Sized_relobj::local_has_got_offset): Added got_type parameter.
4975 (Sized_relobj::local_got_offset): Likewise.
4976 (Sized_relobj::set_local_got_offset): Likewise.
4977 (Sized_relobj::local_has_tls_got_offset): Removed.
4978 (Sized_relobj::local_tls_got_offset): Removed.
4979 (Sized_relobj::set_local_tls_got_offset): Removed.
4980 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4981 * output.cc (Output_data_got::add_global): Added got_type parameter.
4982 (Output_data_got::add_global_with_rel): Likewise.
4983 (Output_data_got::add_global_with_rela): Likewise.
4984 (Output_data_got::add_global_pair_with_rel): New function.
4985 (Output_data_got::add_global_pair_with_rela): New function.
4986 (Output_data_got::add_local): Added got_type parameter.
4987 (Output_data_got::add_local_with_rel): Likewise.
4988 (Output_data_got::add_local_with_rela): Likewise.
4989 (Output_data_got::add_local_pair_with_rel): New function.
4990 (Output_data_got::add_local_pair_with_rela): New function.
4991 (Output_data_got::add_global_tls): Removed.
4992 (Output_data_got::add_global_tls_with_rel): Removed.
4993 (Output_data_got::add_global_tls_with_rela): Removed.
4994 (Output_data_got::add_local_tls): Removed.
4995 (Output_data_got::add_local_tls_with_rel): Removed.
4996 (Output_data_got::add_local_tls_with_rela): Removed.
4997 * output.h (Output_data_got::add_global): Added got_type parameter.
4998 (Output_data_got::add_global_with_rel): Likewise.
4999 (Output_data_got::add_global_with_rela): Likewise.
5000 (Output_data_got::add_global_pair_with_rel): New function.
5001 (Output_data_got::add_global_pair_with_rela): New function.
5002 (Output_data_got::add_local): Added got_type parameter.
5003 (Output_data_got::add_local_with_rel): Likewise.
5004 (Output_data_got::add_local_with_rela): Likewise.
5005 (Output_data_got::add_local_pair_with_rel): New function.
5006 (Output_data_got::add_local_pair_with_rela): New function.
5007 (Output_data_got::add_global_tls): Removed.
5008 (Output_data_got::add_global_tls_with_rel): Removed.
5009 (Output_data_got::add_global_tls_with_rela): Removed.
5010 (Output_data_got::add_local_tls): Removed.
5011 (Output_data_got::add_local_tls_with_rel): Removed.
5012 (Output_data_got::add_local_tls_with_rela): Removed.
5013 * resolve.cc (Symbol::override_base_with_special): Removed
5014 reference to has_got_offset_ field.
5015 * symtab.cc (Symbol::init_fields): Replaced initialization
5016 of got_offset_ with got_offsets_. Removed initialization
5018 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5019 (Symbol::got_offset): Likewise.
5020 (Symbol::set_got_offset): Likewise.
5021 (Symbol::has_tls_got_offset): Removed.
5022 (Symbol::tls_got_offset): Removed.
5023 (Symbol::set_tls_got_offset): Removed.
5024 (Symbol::got_offset_): Removed.
5025 (Symbol::tls_mod_got_offset_): Removed.
5026 (Symbol::tls_pair_got_offset_): Removed.
5027 (Symbol::got_offsets_): New field.
5028 (Symbol::has_got_offset): Removed.
5029 (Symbol::has_tls_mod_got_offset): Removed.
5030 (Symbol::has_tls_pair_got_offset): Removed.
5031 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5032 (Target_x86_64::Scan::local): Updated callers of Output_data_got
5034 (Target_x86_64::Scan::global): Likewise.
5035 (Target_x86_64::Relocate::relocate): Likewise.
5036 (Target_x86_64::Relocate::relocate_tls): Likewise.
5038 2008-03-25 Ben Elliston <bje@au.ibm.com>
5040 * yyscript.y: Fix spelling error in comment.
5042 2008-03-24 Ian Lance Taylor <iant@google.com>
5044 * options.h (class General_options): Define build_id option.
5045 * layout.h (class Layout): Declare write_build_id, create_note,
5046 create_build_id. Add build_id_note_ member.
5047 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5048 "libiberty.h", "md5.h", "sha1.h".
5049 (Layout::Layout): Initialize eh_frame_data_,
5050 eh_frame_hdr_section_, and build_id_note_.
5051 (Layout::finalize): Call create_build_id.
5052 (Layout::create_note): New function, broken out of
5053 Layout::create_gold_note.
5054 (Layout::create_gold_note): Call create_note.
5055 (Layout::create_build_id): New function.
5056 (Layout::write_build_id): New function.
5057 (Close_task_runner::run): Call write_build_id.
5059 * x86_64.cc: Correct license to GPLv3.
5061 2008-03-23 Ian Lance Taylor <iant@google.com>
5063 * options.cc: Include "demangle.h".
5064 (parse_optional_string): New function.
5065 (parse_long_option): Handle takes_optional_argument.
5066 (parse_short_option): Update dash_z initializer. Handle
5067 takes_optional_argument.
5068 (General_options::General_options): Initialize do_demangle_.
5069 (General_options::finalize): Set do_demangle_. Handle demangling
5071 * options.h (parse_optional_string): Declare.
5072 (struct One_option): Add optional_arg field. Update constructor.
5073 Update call constructor calls. Add takes_optional_argument
5075 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
5076 (DEFINE_optional_string): Define.
5077 (General_options::demangle): Change from DEFINE_bool to
5078 DEFINE_optional_string.
5079 (General_options::no_demangle): New function.
5080 (General_options::do_demangle): New function.
5081 (General_options::set_do_demangle): New function.
5082 (General_options::execstack_status_): Move definition to end of
5084 (General_options::static_): Likewise.
5085 (General_options::do_demangle_): New field.
5086 * object.cc (big_endian>::get_symbol_location_info): Call
5087 Options::do_demangle, not Options::demangle.
5088 * symtab.cc (demangle): Likewise.
5090 2008-03-22 Ian Lance Taylor <iant@google.com>
5092 * gold.h: Include <cstddef> and <sys/types.h>
5093 * options.h: Include <cstring>.
5095 2008-03-21 Ian Lance Taylor <iant@google.com>
5097 * Added source code to GNU binutils.