1 2009-07-09 Ian Lance Taylor <iant@google.com>
3 * merge.cc (Object_merge_map::initialize_input_to_output_map):
4 Reserve space in the hash table.
6 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
8 * fileread.cc (File_read::get_mtime): New method.
9 * fileread.h (Timespec): New structure.
10 (File_read::get_mtime): New method.
11 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
12 Renamed from timestamp_nsec.
13 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
15 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
17 (Incremental_inputs::report_archive): Save mtime; style fix.
18 (Incremental_inputs::report_obejct): Save mtime; style fix.
19 (Incremental_inputs::report_script): Save mtime; style fix.
20 (Incremental_inputs::finalize_inputs): Style fix.
21 (Incremental_inputs::finalize): Style fix.
22 (Incremental_inputs::create_input_section_data): Store inputs
24 * incremental.h (Incremental_inputs::report_script): Add mtime
26 (Incremental_inputs::Input_info::Input_info): Intialize only one
28 (Incremental_inputs::Input_info::archive): Move to nameless
30 (Incremental_inputs::Input_info::obejct): Move to nameless union.
31 (Incremental_inputs::Input_info::script): Move to nameless union.
32 (Incremental_inputs::mtime): New field.
33 * script.cc (read_input_script): Pass file mtime to
35 * script.h (Script_info::inputs): Style fix.
37 2009-07-01 Ian Lance Taylor <ian@airs.com>
39 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
42 2009-06-24 Ian Lance Taylor <iant@google.com>
45 * layout.cc (Layout::choose_output_section): If we find an
46 existing section, update the flags.
47 (Layout::create_notes): New function, broken out of
49 (Layout::finalize): Don't create note sections.
50 (Layout::create_note): Don't crash if linker script discards
52 (Layout::create_gold_note): Likewise.
53 (Layout::create_build_id): Likewise. Don't set
54 after_input_sections on the section.
55 (Layout::create_executable_stack_info): Remove target parameter.
57 * layout.h (class Layout): Declare create_notes. Update
58 declaration of create_executable_stack_info.
59 * gold.cc (queue_middle_tasks): Call create_notes.
60 * output.cc (Output_section::update_flags_for_input_section): Move
61 here from output.h. If SHF_ALLOC flag is newly set, mark address
63 * output.h (Output_data::mark_address_invalid): New function.
64 (class Output_section): Only declare, not define,
65 update_flags_for_input_section. Remove set_flags.
67 2009-06-24 Ian Lance Taylor <iant@google.com>
69 * script-sections.cc (Output_section_definition::
70 set_section_addresses): Rename shadowing local load_address to
73 2009-06-24 Ian Lance Taylor <iant@google.com>
76 * reloc.cc (relocate_sections): Skip empty relocation sections.
78 2009-06-23 Ian Lance Taylor <iant@google.com>
81 * layout.cc (Layout::create_note): Use choose_output_section
82 rather than make_output_section.
84 2009-06-23 Ian Lance Taylor <iant@google.com>
87 * options.cc (General_options::parse_V): Set printed_version_.
88 (General_options::General_options): Initialize printed_version_.
89 * options.h (class General_options): Add printed_version_ field.
90 * gold.cc (queue_initial_tasks): If there are no input files,
91 don't give a fatal error if we printed the version information.
92 (queue_middle_tasks): If using -r with a shared object, give a
93 fatal error rather than an ordinary error.
95 2009-06-23 Ian Lance Taylor <iant@google.com>
98 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
99 (Layout::make_output_section): Set have_stabstr_section_ if we see
101 (Layout::finalize): Call link_stabs_sections.
102 (Layout::link_stabs_sections): New file.
103 * layout.h (class Layout): Add have_stabstr_section_ field.
104 Declare link_stabs_sections.
106 2009-06-23 Doug Kwan <dougkwan@google.com>
108 * Makefile.am (libgold_a_LIBADD): New.
109 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
110 * Makefile.in: Regenerate.
111 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
112 * configure: Regenerate.
113 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
114 * fileread.cc: Include sys/state.h
115 * gold.h: Declare memmem and strndup if found missing.
116 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
118 2009-06-23 Ian Lance Taylor <iant@google.com>
120 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
121 * configure: Rebuild.
123 2009-06-23 Ian Lance Taylor <iant@google.com>
126 * object.cc (Object::section_contents): Don't try to get a view if
127 the section has length zero.
128 (Object::handle_gnu_warning_section): If the section is empty, use
129 the name of the section as the warning.
131 2009-06-23 Ian Lance Taylor <iant@google.com>
134 * stringpool.h (class Stringpool_template): Add optimize_ field.
135 (Stringpool_template::set_optimize): New function.
136 * stringpool.cc (Stringpool_template::Stringpool_template):
137 Initialize optimize_ field.
138 (Stringpool_template::set_string_offsets): Test local optimize
139 fild rather than parameter.
140 * layout.cc (Layout::Layout): Call set_optimize on the section
143 2009-06-22 Ian Lance Taylor <iant@google.com>
146 * yyscript.y: Parse TARGET.
147 * script.cc (script_set_target): New function.
148 * script-c.h (script_set_target): Declare.
149 * options.cc (General_options::string_to_object_format): Rename
150 from string_to_object_format in anonymous namespace. Change
152 * options.h (class General_options): Declare
153 string_to_object_format.
155 2009-06-22 Ian Lance Taylor <iant@google.com>
157 * script-sections.cc (Script_sections::create_segments): Don't put
158 program headers in a PT_LOAD segment if -n or -N.
160 2009-06-22 Ian Lance Taylor <iant@google.com>
163 * options.h (class General_options): Add -z lazy and -z now. Sort
164 -z options into alphabetical order.
165 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
167 2009-06-21 Ian Lance Taylor <iant@google.com>
169 * layout.cc (Layout::make_output_section): Call
170 Target::new_output_section.
171 (Layout::attach_allocated_section_to_segment): Put large section
172 sections in a separate load segment with the large segment flag
174 (Layout::segment_precedes): Sort large data segments after other
176 (align_file_offset): New static function.
177 (Layout::set_segment_offsets): Use align_file_offset.
178 * output.h (class Output_section): Add is_small_section_ and
179 is_large_section_ fields.
180 (Output_section::is_small_section): New function.
181 (Output_section::set_is_small_section): New function.
182 (Output_section::is_large_section): New function.
183 (Output_section::set_is_large_section): New function.
184 (Output_section::is_large_data_section): New function.
185 (class Output_segment): Add is_large_data_segment_ field.
186 (Output_segment::is_large_data_segment): New function.
187 (Output_segment::set_is_large_data_segment): New function.
188 * output.cc (Output_section::Output_section): Initialize new
190 (Output_segment::Output_segment): Likewise.
191 (Output_segment::add_output_section): Add assertion that large
192 data sections always go in large data segments. Force small data
193 sections to the end of the list of data sections. Force small BSS
194 sections to the start of the list of BSS sections. For large BSS
195 sections to the end of the list of BSS sections.
196 * symtab.h (class Symbol): Declare is_common_shndx.
197 (Symbol::is_defined): Check Symbol::is_common_shndx.
198 (Symbol::is_common): Likewise.
199 (class Symbol_table): Define enum Commons_section_type. Update
200 declarations. Add small_commons_ and large_commons_ fields.
201 * symtab.cc (Symbol::is_common_shndx): New function.
202 (Symbol_table::Symbol_table): Initialize new fields.
203 (Symbol_table::add_from_object): Put small and large common
204 symbols in the right list.
205 (Symbol_table::sized_finalized_symbol): Check
206 Symbol::is_common_shndx.
207 (Symbol_table::sized_write_globals): Likewise.
208 * common.cc (Symbol_table::do_allocate_commons): Allocate new
209 common symbol lists. Don't call do_allocate_commons_list if the
211 (Symbol_table::do_allocate_commons_list): Remove is_tls
212 parameter. Add comons_section_type parameter. Change all
213 callers. Handle small and large common symbols.
214 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
215 Symbol::is_common_shndx.
216 * resolve.cc (symbol_to_bits): Likewise.
217 * target.h (Target::small_common_shndx): New function.
218 (Target::small_common_section_flags): New function.
219 (Target::large_common_shndx): New function.
220 (Target::large_common_section_flags): New function.
221 (Target::new_output_section): New function.
222 (Target::Target_info): Add small_common_shndx, large_common_shndx,
223 small_common_section_flags, and large_common_section_flags
225 (Target::do_new_output_section): New virtual function.
226 * arm.cc (Target_arm::arm_info): Initialize new fields.
227 * i386.cc (Target_i386::i386_info): Likewise.
228 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
230 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
231 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
232 (Target_x86_64::do_new_output_section): New function.
233 * configure.ac: Define conditional MCMODEL_MEDIUM.
234 * testsuite/Makefile.am (check_PROGRAMS): Add large.
235 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
236 (large_LDFLAGS): Define.
237 * testsuite/large.c: New file.
238 * testsuite/testfile.cc (Target_test::test_target_info):
239 Initialize new fields.
240 * configure, testsuite/Makefile.in: Rebuild.
242 2009-06-05 Doug Kwan <dougkwan@google.com>
244 * Makefile.am (CCFILES): Add target.cc.
245 * Makefile.in: Regenerate.
246 * i386.cc (class Target_i386): Define new virtual method to
247 override do_is_local_label_name in parent.
248 * object.cc (Sized_relobj::do_count_local_symbols): Discard
249 local symbols if --discard-locals or -X is given.
250 * options.h (class General_options): Declare new options
251 '--discard-locals' and '-X' for discarding locals.
252 * target.h (class Target): Define new methods is_local_label_name.
253 Declare new virtual method do_is_local_label_name.
254 * target.cc: New file.
255 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
256 (check_SCRIPTS): Add discard_locals_test.sh.
257 (check_DATA): Add discard_local_tests.syms.
258 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
259 (discard_local_tests.syms, discard_locals_test.o): New make rules.
260 * testsuite/Makefile.in: Regenerate.
261 * testsuite/discard_locals_test.c: New file.
262 * testsuite/discard_locals_test.sh: Same.
264 2009-06-05 Doug Kwan <dougkwan@google.com>
266 * object.cc (Sized_relobj::Sized_relobj): Initialize
267 discarded_eh_frame_shndx_ to -1U.
268 (Sized_relobj::do_layout): Record index of a discard .eh_frame
270 (Sized_relobj::do_count_local_symbols): Skip local symbols in
271 a discarded .eh_frame section.
272 (Sized_relobj::do_finalize_local_symbols): Ditto.
273 * object.h (class Sized_relobj): Declare new member
274 discarded_eh_frame_shndx_.
275 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
276 (local_labels_test.o, local_labels_test): New rules.
277 * testsuite/Makefile.in: Regenerate.
279 2009-06-04 Doug Kwan <dougkwan@google.com>
281 * layout.cc (Layout::section_name_mapping): Add mapping for
282 special ARM sections.
284 2009-06-03 Doug Kwan <dougkwan@google.com>
286 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
287 (utils::has_overflow): Same.
289 2009-06-03 Ian Lance Taylor <iant@google.com>
291 * layout.cc (Layout::section_name_mapping): New array, replacing
292 Layout::linkonce_mapping.
293 (Layout::section_name_mapping_count): New variable, replacing
294 Layout::linkonce_mapping_count.
295 (Layout::linkonce_output_name): Remove.
296 (Layout::output_section_name): Rewrite.
297 * layout.h (class Layout): Rename Linkonce_mapping to
298 Section_name_mapping, linkonce_mapping to section_name_mapping,
299 linkonce_mapping_count to section_name_mapping_count. Don't
300 declare linkonce_output_name.
302 2009-06-03 Doug Kwan <dougkwan@google.com>
304 * gold/arm.cc (namespace utils): New.
305 (Target_arm::reloc_is_non_pic): Define new method.
306 (class Arm_relocate_functions): New.
307 (Target_arm::Relocate::relocate): Handle relocation types used by
310 2009-06-03 Ian Lance Taylor <iant@google.com>
312 * arm.cc (Target_arm::scan::global): Use || instead of |.
314 2009-06-02 Doug Kwan <dougkwan@google.com>
316 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
317 issued_non_pic_error_.
318 (class Target_arm::Scan): Declare new method check_non_pic.
319 Define new method symbol_needs_plt_entry.
320 Declare new data member issued_non_pic_error_.
321 (class Target_arm::Relocate): Declare new method
322 should_apply_static_reloc.
323 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
324 (Target_arm::Scan::check_non_pic): Define new method.
325 (Target_arm::Scan::local): Handle a small subset of reloc types used
327 (Target_arm::Scan::local): Same.
328 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
330 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
332 * incremental.cc (Incremental_inputs::report_command_line): Filter
333 out --incremental-* options.
335 2009-05-29 Doug Kwan <dougkwan@google.com>
337 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
339 (class Target_arm): Update comment.
340 (Target_arm::Target_arm): Initialize new data members GOT_,
341 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
342 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
343 and Target_arm::rel_dyn_section.
344 Declare new_enum Target_arm::Got_type.
345 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
347 Update commments for member do_dynsym_value.
348 (Target_arm::got_size, Target_arm::plt_section,
349 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
350 new methods inside class defintion.
351 (Target_arm::got_section): Define new method.
352 (Target_arm::rel_dyn_section): Same.
353 (Output_data_plt_arm): New template class.
354 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
355 (Output_data_plt_arm:do_adjust_output_section): Define new method.
356 (Output_data_plt_arm::add_entry): Same.
357 (Output_data_plt_arm::first_plt_entry): Define new
358 static data member for PLT instruction template.
359 (Output_data_plt_arm::plt_entry): Same.
360 (Output_data_plt_arm::do_write): Define new method.
361 (Target_arm::make_plt_entry): Same.
362 (Target_arm::do_finalize_sections): Same.
363 (Target_arm::do_dynsym_value): Same.
365 2009-05-28 Doug Kwan <dougkwan@google.com>
367 * Makefile.am (TARGETSOURCES): Add arm.cc.
368 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
369 * Makefile.in: Regenerate.
371 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
373 2009-05-26 Doug Kwan <dougkwan@google.com>
375 * options.cc (General_options::parse_exclude_libs). Fix a comment.
376 (General_options::check_excluded_libs): Strip off directories in
377 archive name before matching like GNU ld does.
378 * testsuite/Makefile.am (MOSTLYCLEANFILES,
379 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
380 (exclude_libs_test_LDFLAGS): Add linker option
381 -Wl,--exclude-libs,libexclude_libs_test_3
382 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
383 an explicit archive without using -l.
384 (alt/libexclude_libs_test_3.a): New make rule.
385 * testsuite/Makefile.in: Regenerate.
386 * testsuite/exclude_libs_test.c : Declare lib3_default().
388 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
389 * exclude_libs_test_3.c: New file.
391 2009-05-26 Nick Clifton <nickc@redhat.com>
393 * po/id.po: New Indonesian translation.
394 * po/gold.pot: Updated template file.
396 2009-05-22 Sriraman Tallam <tmsriram@google.com>
398 * testsuite/Makefile.am: Add -ffunction-sections to compile
399 gc_comdat_test files. Add -Wl,--gc-sections to build
401 * testsuite/Makefile.in: Regenerate.
402 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
404 2009-05-21 Sriraman Tallam <tmsriram@google.com>
406 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
407 kept comdat section was garbage collected.
408 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
409 * testsuite/Makefile.in: Regenerate.
410 * testsuite/gc_comdat_test.sh: New file.
411 * testsuite/gc_comdat_test_1.cc: New file.
412 * testsuite/gc_comdat_test_2.cc: New file.
414 2009-05-19 Doug Kwan <dougkwan@google.com>
416 * archive.cc (Archive::Archive): Move constructor from archive.h
417 to here. Initialize no_export_.
418 (Archive::get_elf_object_for_member): Set no_export flag of object.
419 * archive.h (Archive::Archive): Move constructor body to
421 (Archive::no_export): New method.
422 (Archive::no_export_): New field.
423 * object.h (Object::Object): Initialize no_export_ to false.
424 (Object::no_export, Object::set_no_export): New methods.
425 (Object::no_export_): New field.
426 * options.cc (General_options::parse_exclude_libs): New method.
427 (General_options::check_excluded_libs) Same.
428 * options.h (exclude_libs): New option.
429 (General_options::check_excluded_libs): New method declaration.
430 (General_options::excluded_libs_): New field.
431 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
432 default or protected visibility if an object has no-export flag set.
433 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
434 (check_SCRIPTS): Add exclude_libs_test.sh.
435 (check_DATA): Add exclude_libs_test.syms.
436 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
437 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
438 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
439 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
440 (exclude_libs_test.syms, libexclude_libs_test_1.a,
441 libexclude_libs_test_2.a): New rules.
442 * testsuite/Makefile.in: Regenerate.
443 * testsuite/exclude_libs_test.c: New file.
444 * testsuite/exclude_libs_test.sh: Ditto.
445 * testsuite/exclude_libs_test_1.c: Ditto.
446 * testsuite/exclude_libs_test_2.c: Ditto.
448 2009-05-15 Ian Lance Taylor <iant@google.com>
450 * configure.ac: Check for declarations for cases where libiberty.h
451 checks HAVE_DECL_xxx.
452 * configure, config.in: Rebuild.
454 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
456 * gold.h (Incremental_argument_list): Remove (invalid) forward
458 * incremental.cc (Incremental_inputs::report_achive): New method.
459 (Incremental_inputs::report_object): New method.
460 (Incremental_inputs::report_script): New method.
461 (Incremental_inputs::finalize_inputs): New method.
462 (Incremental_inputs::finalize): Call finalize_inputs().
463 (Incremental_inputs::sized_create_incremental_inputs_section_data):
464 Create inputs entries.
465 * incremental.h (Incremental_input_type): New enum.
466 (Incremental_inputs::Incremental_input): Initialize new fields.
467 (Incremental_inputs::report_inputs): New method.
468 (Incremental_inputs::report_achive): New method.
469 (Incremental_inputs::report_object): New method.
470 (Incremental_inputs::report_script): New method.
471 (Incremental_inputs::finalize_inputs): New method.
472 (Incremental_inputs::Input_info): New struct.
473 (Incremental_inputs::Input_info_map): New typedef.
474 (Incremental_inputs::lock_): New field.
475 (Incremental_inputs::Inputs_): New field.
476 (Incremental_inputs::Inputs_map): New field.
477 * main.cc (main): Call Incremental_input::report_inputs.
478 * options.h (Input_argument_list): Typedef moved from
480 (Input_file_group::Files): Remove, use ::Input_argument_list.
481 (Input_file_group::Input_argument_list): Remove, use
482 ::Input_argument_list.
483 * plugin.cc (Plugin_manager::add_input_file): Add error in
485 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
487 * script.cc (read_input_script): Call
488 Incremental_input::report_script.
489 * script.h (Script_info): New class.
491 2009-04-27 Ian Lance Taylor <iant@google.com>
493 * x86_64.cc (do_adjust_output_section): Set entsize to
496 2009-04-23 Elliott Hughes <enh@google.com>
498 * output.cc (Output_file::close): After short writes, continue
499 writing from the correct offset in the buffer being written.
501 2009-04-23 Chris Demetriou <cgd@google.com>
503 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
504 * configure: Regenerate.
505 * config.in: Regenerate.
506 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
507 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
509 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
511 * incremental.cc (Incremental_inputs_header_data): Renamed from
512 Incremental_input_header_data.
513 (Incremental_inputs_header_data::data_size): New field.
514 (Incremental_inputs_header_data::put_input_file_count): Renamed
515 from input_file_count.
516 (Incremental_inputs_header_data::put_command_line_offset): Renamed
517 from command_line_offset.
518 (Incremental_inputs_header_data::put_reserved): Renamed from
520 (Incremental_inputs_entry_data): Renamed from
521 Incremental_input_entry_data.
522 (Incremental_inputs_entry_data::data_size): New field.
523 (Incremental_inputs::report_command_line): New method.
524 (Incremental_inputs::finalize): New method.
525 (Incremental_inputs::create_incremental_inputs_data): New method.
526 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
527 * incremental.h: New file.
528 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
529 (Layout::finalize): Create incremental inputs section in
531 (Layout::create_incremental_info_sections): New method.
532 * layout.h (Layout::incremental_inputs): New method.
533 (Layout::create_incremental_info_sections): New method.
534 (Layout::incremental_inputs_): New field.
535 * main.cc (main): Notify Incremental_input of the command line.
537 2009-04-01 Ian Lance Taylor <iant@google.com>
538 Mikolaj Zalewski <mikolajz@google.com>
540 * gold.h (reserve_unordered_map): Define, three versions, one for
541 each version of Unordered_map.
542 * layout.cc (Layout::Layout): Remove options parameter. Add
543 number_of_input_files parameter. Don't initialize options_.
544 Initialize number_of_input_files_ and resized_signatures_. Move
545 sections_are_attached_.
546 (Layout::layout_group): Reserve space for group_signatures_.
547 (Layout::find_or_add_kept_section): Change name parameter to be a
548 reference. Resize signatures_ map when it gets large enough.
549 (Layout::layout_eh_frame): Use parameters->options() instead of
551 (Layout::make_output_section): Likewise.
552 (Layout::attach_allocated_section_to_segment): Likewise.
553 (Layout::finalize, Layout::create_executable_stack): Likewise.
554 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
555 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
556 * layout.h (class Layout): Update declarations. Remove options_
557 field. Add number_of_input_files_ and resized_signatures_
558 fields. Move sections_are_attached_ field.
559 * main.cc (main): Pass number of input files to Layout
560 constructor. Don't pass options.
562 2009-03-30 Ian Lance Taylor <iant@google.com>
564 * ffsll.c (ffsll): Correct implementation.
566 2009-03-27 Ian Lance Taylor <iant@google.com>
569 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
570 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
571 * ftruncate.c (ftruncate): Declare before definition.
572 * mremap.c (mremap): Likewise.
573 * pread.c (pread): Likewise.
574 * configure, Makefile.in, config.in: Rebuild.
576 * mremap.c: New file.
577 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
578 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
579 (mremap): Declare if HAVE_MREMAP is not defined.
580 * configure, Makefile.in, config.in: Rebuild.
582 2009-03-27 Cary Coutant <ccoutant@google.com>
584 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
585 position independent.
586 * sparc.cc (Target_sparc::check_non_pic): Likewise.
587 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
589 2009-03-24 Cary Coutant <ccoutant@google.com>
591 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
593 (needs_dynamic_reloc): Likewise.
595 2009-03-24 Ian Lance Taylor <iant@google.com>
597 * yyscript.y (file_cmd): Recognize EXTERN.
598 (extern_name_list, extern_name_list_body): New nonterminals.
599 * script.cc (script_add_extern): Define.
600 * script-c.h (script_add_extern): Declare.
602 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
604 * object.cc (is_elf_object): Define.
605 * object.h (is_elf_object): Declare.
606 * archive.cc (Archive::get_elf_object_for_member): Call
608 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
610 2009-03-24 Elliott Hughes <enh@google.com>
612 * output.cc (Output_file::map_anonymous): Define.
613 (Output_file::map): Use map_anonymous. If the regular mmap fails,
614 try an anonymous one. Report the size if the mmap fails.
615 * output.h (class Output_file): Declare map_anonymous.
617 2009-03-24 Ian Lance Taylor <iant@google.com>
619 * target-select.cc (instantiate_target): Don't acquire the lock if
620 the instantiated_target_ field has already been set.
622 2009-03-23 Ian Lance Taylor <iant@google.com>
624 * gold-threads.h (class Initialize_lock): Define.
625 * gold-threads.cc (class Initialize_lock_once): Define.
626 (initialize_lock_control): New static variable.
627 (initialize_lock_pointer): New static variable.
628 (initialize_lock_once): New static function.
629 (Initialize_lock::Initialize_lock): Define.
630 (Initialize_lock::initialize): Define.
631 * target-select.h: Include "gold-threads.h".
632 (class Target_selector): Add lock_ and initialize_lock_ fields.
633 Don't define instantiate_target, just declare it.
634 * target-select.cc (Target_selector::Target_selector): Initialize
636 (Target_selector::instantiate_target): Define.
637 * descriptors.h: Include "gold-threads.h".
638 (class Descriptors): Add initialize_lock_ field.
639 * descriptors.cc (Descriptors::Descriptors): Initialize new
641 (Descriptors::open): Use initialize_lock_ field
642 * errors.h (class Errors): Add initialize_lock_ field.
643 * errors.cc (Errors::Errors): Initialize new field.
644 (Errors::initialize_lock): Use initialize_lock_ field.
645 * powerpc.cc (class Target_selector_powerpc): Remove
646 instantiated_target_ field. In do_recognize call
647 instantiate_target rather than do_instantiate_target. In
648 do_instantiate_target just allocate a new target.
649 * sparc.cc (class Target_selector_sparc): Likewise.
651 * freebsd.h: New file.
652 * i386.cc: Include "freebsd.h".
653 (Target_i386): Derive from Target_freebsd rather than
655 (Target_selector_i386): Derive from Target_selector_freebsd rather
656 than Target_selector.
657 * x86_64.cc: Include "freebsd.h".
658 (Target_x86_64): Derive from Target_freebsd rather than
660 (Target_selector_x86_64): Derive from Target_selector_freebsd
661 rather than Target_selector.
662 * target.h (class Target): Add adjust_elf_header and
663 do_adjust_elf_header.
664 * output.cc (Output_file_header:: do_sized_write): Call target
665 adjust_elf_header routine.
666 * configure.tgt: Set targ_osabi.
667 * configure.ac: Define GOLD_DEFAULT_OSABI.
668 * parameters.cc (Parameters::default_target): Pass
669 GOLD_DEFAULT_OSABI to select_target.
670 * target-select.h (class Target_selector): Make instantiate_target
671 protected rather than private.
672 * Makefile.am (HFILES): Add freebsd.h.
673 * configure, Makefile.in, config.in: Rebuild.
675 * merge.cc (do_add_input_section): Correct pend value. Change
676 message about last entry not being null terminated from error to
679 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
681 * incremental.cc: New file.
682 * Makefile.am (CCFILES): Add incremental.cc.
683 * Makefile.in: Rebuild.
685 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
687 * layout.cc (Layout::output_section_name): Preserve names
688 of '.note.' sections.
690 2009-03-19 Ian Lance Taylor <iant@google.com>
692 * descriptors.cc (Descriptors::open): Check that the options are
693 valid before using them.
695 2009-03-18 Ian Lance Taylor <iant@google.com>
697 * script-sections.h: Include <list>.
698 (class Script_sections): Change Sections_elements from std::vector
699 to std::list. Typedef public Elements_iterator. Add
700 orphan_section_placement_, data_segment_align_start_, and
701 saw_data_segment_align_ fields. Remove data_segment_align_index_
703 * script-sections.cc (class Orphan_section_placement): New class.
704 (class Sections_element): Add virtual functions is_relro and
705 orphan_section_init. Remove virtual function place_orphan_here.
706 (class Output_section_definition): Add is_relro and
707 orphan_section_init. Remove place_orphan_here.
708 (class Orphan_output_section): Likewise.
709 (Script_sections::Script_sections): Update for field changes.
710 (Script_sections::data_segment_align): Set saw_data_segment_align_
711 and data_segment_align_start_, not data_segment_align_index.
712 (Script_sections::data_segment_relro_end): Check
713 saw_data_segment_align_. Use data_segment_align_start_ rather
714 than data_segment_align_index_.
715 (Script_sections::place_orphan): Rewrite to use
716 Orphan_section_placement.
718 2009-03-17 Ian Lance Taylor <iant@google.com>
720 * archive.cc (Archive::add_symbols): Check for a version attached
721 to the symbol name in the archive map.
722 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
723 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
724 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
725 (ver_test_11.a): New target.
726 * testsuite/Makefile.in: Rebuild.
728 * configure.ac: Check for chsize and posix_fallocate. Replace
730 * ftruncate.c: New file, from gnulib.
731 * output.cc (posix_fallocate): Define dummy version if not
732 HAVE_POSIX_FALLOCATE.
733 (Output_file::map): Call posix_fallocate rather than lseek and
735 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
736 * configure, Makefile.in, config.in: Rebuild.
738 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
740 * layout.h (Layout::create_note): Add section_name parameter.
741 * layout.cc (Layout::create_note): Likewise.
742 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
744 2009-03-17 Ian Lance Taylor <iant@google.com>
746 * descriptors.cc: Include "options.h".
747 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
748 (Descriptors::open): Always use O_CLOEXEC when opening a new
749 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
752 * sparc.cc (class Target_sparc): Add has_got_section.
753 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
754 make sure we have a GOT section.
756 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
757 (Target_sparc::Scan::local): Likewise.
758 (Target_sparc::Scan::global): Likewise.
759 (Target_sparc::Relocate::relocate): Likewise.
760 (Target_sparc::Relocate::relocate_tls): Likewise.
762 * symtab.cc (Symbol_table::define_default_version): New function,
763 broken out of add_from_object.
764 (Symbol_table::add_from_object): Call define_default_version.
765 (Symbol_table::define_special_symbol): Add resolve_oldsym
766 parameter. Change all callers. If the version for a symbol comes
767 from a version script, resolve it with the symbol with the same
768 name with no version. Also add the symbol without a version if
770 (do_define_in_output_data): If resolving with oldsym, don't delete
772 (do_define_in_output_segment): Likewise.
773 (do_define_as_constant): Likewise.
774 * symtab.h (class Symbol_table): Update declarations.
776 2009-03-13 Ian Lance Taylor <iant@google.com>
778 * readsyms.cc (Read_symbols::incompatible_warning): New function.
779 (Read_symbols::requeue): New function.
780 (Read_symbols::do_read_symbols): If make_elf_object fails because
781 the target type is not configured, and the file was searched for,
782 issue a warning and retry with the next directory.
783 (Add_symbols::run): If the file has an incompatible format, and
784 it was searched for, requeue the Read_symbols task. On error,
786 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
787 dirindex parameter to constructor. Change all callers. Declare
788 incompatible_warning and requeue.
789 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
790 input_argument_ and input_group_ fields. Add them to
791 constructor. Change all callers.
792 (class Read_script): Add dirindex_ field. Add it to constructor.
794 * archive.cc (Archive::setup): Remove input_objects parameter.
796 (Archive::get_file_and_offset): Likewise.
797 (Archive::read_all_symbols): Likewise.
798 (Archive::read_symbols): Likewise.
799 (Archive::get_elf_object_for_member): Remove input_objects
800 parameter. Add punconfigured parameter. Change all callers.
801 (Archive::add_symbols): Change return type to bool. Check return
802 value of include_member.
803 (Archive::include_all_members): Likewise.
804 (Archive::include_member): Change return type to bool. Return
805 false if first included object has incompatible target. Set
806 included_member_ field.
807 (Add_archive_symbols::run): If add_symbols returns false, requeue
809 * archive.h (class Archive): Add included_member_ field.
810 Initialize it in constructor. Add input_file and searched_for
811 methods. Update declarations.
812 (class Add_archive_symbols): Add dirpath_, dirindex_, and
813 input_argument_ fields. Add them to constructor. Change all
815 * script.cc: Include "target-select.h".
816 (class Parser_closure): Add skip_on_incompatible_target_ and
817 found_incompatible_target_ fields. Add
818 skip_on_incompatible_target parameter to constructor. Change all
819 callers. Add methods skip_on_incompatible_target,
820 clear_skip_on_incompatible_target, found_incompatible_target, and
821 set_found_incompatible_target.
822 (read_input_script): Add dirindex parameter. Change all callers.
823 If parser finds an incompatible target, requeue Read_symbols
825 (script_set_symbol): Clear skip_on_incompatible_target in
827 (script_add_assertion, script_parse_option): Likewise.
828 (script_start_sections, script_add_phdr): Likewise.
829 (script_check_output_format): New function.
830 * script.h (read_input_script): Update declaration.
831 * script-c.h (script_check_output_format): Declare.
832 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
833 (ignore_cmd): Remove OUTPUT_FORMAT.
834 * fileread.cc (Input_file::Input_file): Add explicit this.
835 (Input_file::will_search_for): New function.
836 (Input_file::open): Add pindex parameter. Change all callers.
837 * fileread.h (class Input_file): Add input_file_argument method.
838 Declare will_search_for. Update declarations.
839 * object.cc (make_elf_object): Add punconfigured parameter.
841 * object.h (class Object): Make input_file public. Add
843 (make_elf_object): Update declaration.
844 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
846 * dirsearch.h (class Dirsearch): Update declaration.
847 * options.h (class General_options): Add --warn-search-mismatch.
848 * parameters.cc (Parameters::is_compatible_target): New function.
849 * parameters.h (class Parameters): Declare is_compatible_target.
850 * workqueue.cc (Workqueue::add_blocker): New function.
851 * workqueue.h (class Workqueue): Declare add_blocker.
853 * fileread.cc (Input_file::open): Remove options parameter.
855 (Input_file::open_binary): Likewise.
856 * script.cc (read_input_script): Likewise.
857 * readsyms.h (class Read_symbols): Remove options_ field. Remove
858 options parameter from constructor. Change all callers.
859 (class Read_script): Likewise.
860 * fileread.h (class Input_file): Update declarations.
861 * script.h (read_input_script): Update declaration.
863 2009-03-10 Nick Clifton <nickc@redhat.com>
865 * po/es.po: New Spanish translation.
867 2009-03-06 Cary Coutant <ccoutant@google.com>
869 * options.cc (parse_short_option): Keep dash_z from registering itself.
871 2009-03-03 Ian Lance Taylor <iant@google.com>
874 * target-reloc.h (relocate_section): Pass output_section to
876 * i386.cc (Target_i386::should_apply_static_reloc): Add
877 output_section parameter. Change all callers.
878 (Target_i386::Relocate::relocate): Add output_section parameter.
879 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
880 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
881 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
882 * testsuite/two_file_shared.sh: New script.
883 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
884 (check_DATA): Add two_file_shared.dbg.
885 (two_file_shared.dbg): New target.
886 * testsuite/Makefile.in: Rebuild.
888 2009-03-01 Ian Lance Taylor <iant@google.com>
890 * configure.ac: Check for byteswap.h.
891 * configure: Rebuild.
892 * config.in: Rebuild.
894 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
896 * layout.cc (Layout::find_or_add_kept_section): New function.
897 (Layout::add_comdat): Removed.
898 * layout.h (struct Kept_section): Move out of class Layout.
899 Remove trailing underscores from field names. Add group_sections
900 field. Rename group_ field to is_group. Change all uses.
901 (class Layout): Declare find_or_add_kept_section, not add_comdat.
902 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
903 comdat_groups_ field.
904 (Sized_relobj::include_section_group): Use
905 find_or_add_kept_section and Kept_section::group_sections.
906 (Sized_relobj::include_linkonce_section): Likewise.
907 * object.cc (class Sized_relobj): Don't define Comdat_group or
908 Comdat_group_table. Remove find_comdat_group and
909 add_comdat_group. Remove comdat_groups_ field.
910 * plugin.cc (include_comdat_group): Use
911 Layout::find_or_add_kept_section.
913 2009-02-28 Ian Lance Taylor <iant@google.com>
915 * README: --gc-sections and map files are now supported. Document
916 some build requirements.
919 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
920 relocatable link set the value of the section symbol to zero.
921 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
922 relocatable link don't include the section address in the local
925 2009-02-27 Ian Lance Taylor <iant@google.com>
928 * options.h (class Search_directory): Add is_system_directory.
929 (class General_options): Declare is_in_system_directory.
930 * options.cc (get_relative_sysroot): Make static.
931 (get_default_sysroot): Make static.
932 (General_optoins::is_in_system_directory): New function.
933 * fileread.cc (Input_file::is_in_system_directory): New function.
934 * fileread.h (class Input_file): Declare is_in_system_directory.
935 * object.h (class Object): Add is_in_system_directory.
936 (class Input_objects): Remove system_library_directory_ field.
937 * object.cc (Input_objects::add_object): Don't set
938 system_library_directory_.
939 (input_objects::found_in_system_library_directory): Remove.
940 * symtab.cc (Symbol_table::write_globals): Remove input_objects
941 parameter. Change all callers.
942 (Symbol_table::sized_write_globals): Likewise.
943 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
944 Call Object::is_in_system_directory.
945 * symtab.h (class Symbol_table): Update declarations.
948 * descriptors.h (Open_descriptor): Add is_on_stack field.
949 * descriptors.cc (Descriptors::open): If the descriptor is on the
950 top of the stack, remove it. Initialize is_on_stack field.
951 (Descriptors::release): Only add pod to stack if it is not on the
953 (Descriptors::close_some_descriptor): Clear stack_next and
957 * output.cc (Output_section::find_starting_output_address): Rename
958 from starting_output_address; add PADDR parameter; change return
960 * output.h (class Output_section): Declare
961 find_starting_output_address instead of starting_output_address.
962 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
963 section symbol for which we can't find a merge section.
966 * symtab.cc (Symbol_table::add_from_object): If the visibility is
967 hidden or internal, force the symbol to be local.
968 * resolve.cc (Symbol::override_visibility): Define.
969 (Symbol::override_base): Use override_visibility.
970 (Symbol_table::resolve): Likewise.
971 (Symbol::override_base_with_special): Likewise.
972 (Symbol_table::override_with_special): If the visibility is hidden
973 or internal, force the symbol to be local.
974 * symtab.h (class Symbol): Add set_visibility and
976 * testsuite/ver_test_1.sh: New file.
977 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
978 (check_DATA): Add ver_test_1.syms.
979 (ver_test_1.syms): New target.
980 * testsuite/Makefile.in: Rebuild.
982 2009-02-25 Cary Coutant <ccoutant@google.com>
984 * layout.cc (Layout::choose_output_section): Don't rename sections
985 when using a linker script that has a SECTIONS clause.
986 * Makefile.in: Regenerate.
988 * testsuite/Makefile.am (script_test_5.sh): New test case.
989 * testsuite/Makefile.in: Regenerate.
990 * testsuite/script_test_5.cc: New file.
991 * testsuite/script_test_5.sh: New file.
992 * testsuite/script_test_5.t: New file.
994 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
996 * archive.cc (Archive::include_member): Update calls to add_symbols.
997 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
999 * dynobj.h (do_add_symbols): Add the Layout argument.
1000 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
1002 * object.h (Object::add_symbols): Add the Layout argument.
1003 (Object::do_add_symbols): Add the Layout argument.
1004 (Sized_relobj::do_add_symbols): Add the Layout argument.
1005 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
1006 Unify the two versions.
1007 (Add_plugin_symbols): Remove.
1008 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
1009 (Sized_pluginobj::do_add_symbols): Unify the two versions.
1010 (Add_plugin_symbols): Remove.
1011 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
1012 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
1013 (Add_symbols::run): Make it work with Pulginobj.
1015 2009-02-06 Ian Lance Taylor <iant@google.com>
1017 * object.cc (Sized_relobj::do_layout): Make info message start
1018 with lower case letter.
1020 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
1022 * binary.cc: Fix file comment.
1024 * options.h (enum Incremental_disposition): Define.
1025 (class General_options): Add new options: --incremental,
1026 --incremental_changed, --incremental_unchanged,
1027 --incremental_unknown. Add incremental_disposition_ and
1028 implicit_incremental_ fields.
1029 (General_options::incremental_disposition): New function.
1030 (class Position_dependent_options): Add incremental_disposition
1032 (Position_dependent_options::copy_from_options): Set incremental
1034 * options.cc (General_options::parse_incremental_changed): New
1036 (General_options::parse_incremental_unchanged): New function.
1037 (General_options::parse_incremental_unknown): New function.
1038 (General_options::General_options): Initialize new fields
1039 incremental_disposition_ and implicit_incremental_.
1040 (General_options::finalize): Check for uasge of --incremental-*
1041 without --incremental.
1043 2009-02-06 Chris Demetriou <cgd@google.com>
1045 * gold.h (gold_undefined_symbol): Change to take only a Symbol
1046 pointer and to report location as the file name associated with
1048 (gold_undefined_symbol_at_location): New function to replace the
1049 old gold_undefined_symbol functionality.
1050 * target-reloc.h (relocate_section): Update to use
1051 gold_undefined_symbol_at_location.
1052 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1053 Call gold_undefined_symbol function rather than gold_error.
1054 * errors.h (Errors::undefined_symbol): Take location as a
1055 string, rather than calculating it from a relocation.
1056 * errors.cc (Errors::fatal): Print "fatal error:" before the
1058 (Errors::error, Errors::error_at_location): Print "error: "
1059 before the formatted message.
1060 (Errors::undefined_symbol): Take location as a string, rather
1061 than calculating it from a relocation.
1062 (gold_undefined_symbol_at_location): New function akin to
1063 old gold_undefined_symbol, calculates location from relocation.
1064 (gold_undefined_symbol): Change to take only a Symbol pointer
1065 and to report location as the file name associated with the symbol.
1066 * testsuite/debug_msg.sh: Update for changed error messages.
1067 * testsuite/undef_symbol.sh: Likewise.
1069 2009-02-04 Duncan Sands <baldrick@free.fr>
1072 * reduced_debug_output.h
1073 (Output_reduced_debug_abbrev_section::failed): Use format for
1075 (Output_reduced_debug_info_section::faild): Likewise.
1077 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
1079 * script.cc (Lazy_demangler): New class.
1080 (Version_script_info::get_symbol_version_helper): Demangle a
1083 2009-01-29 Cary Coutant <ccoutant@google.com>
1085 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
1087 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1089 2009-01-28 Ian Lance Taylor <iant@google.com>
1091 * version.cc (version_string): Bump to 1.9.
1093 * gold.h: Include <cstring> and <stdint.h>.
1094 * version.cc: Include <cstdio>.
1095 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
1097 * reduced_debug_output.cc (insert_into_vector): Rename from
1098 Insert_into_vector; change all callers. Use Swap_unaligned to
1099 avoid aliasing issue; remove union since it is unnecessary.
1101 2009-01-27 Sriraman Tallam <tmsriram@google.com>
1103 * Makefile.am (CCFILES): Add gc.cc.
1105 * Makefile.in: Regenerate.
1106 * gold.cc (Gc_runner): New class.
1107 (queue_initial_tasks): Call garbage collection related tasks
1108 when corresponding options are invoked.
1109 (queue_middle_gc_tasks): New function.
1110 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
1111 processed early before laying out sections during garbage collection.
1112 * gold.h (queue_middle_gc_tasks): New function.
1113 (is_prefix_of): Move from "layout.cc".
1114 * i386.cc (Target_i386::gc_process_relocs): New function.
1115 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
1116 * main.cc (main): Create object of class "Garbage_collection".
1117 * object.cc (Relobj::copy_symbols_data): New function.
1118 (Relobj::is_section_name_included): New function.
1119 (Sized_relobj::do_layout): Allow this function to be called twice
1120 during garbage collection and defer layout of section during the
1122 * object.h (Relobj::get_symbols_data): New function.
1123 (Relobj::is_section_name_included): New function.
1124 (Relobj::copy_symbols_data): New function.
1125 (Relobj::set_symbols_data): New function.
1126 (Relobj::get_relocs_data): New function.
1127 (Relobj::set_relocs_data): New function.
1128 (Relobj::is_output_section_offset_invalid): New pure virtual function.
1129 (Relobj::gc_process_relocs): New function.
1130 (Relobj::do_gc_process_relocs): New pure virtual function.
1131 (Relobj::sd_): New data member.
1132 (Sized_relobj::is_output_section_offset_invalid): New function.
1133 (Sized_relobj::do_gc_process_relocs): New function.
1134 * options.h (General_options::gc_sections): Modify to not be a no-op.
1135 (General_options::print_gc_sections): New option.
1136 * plugin.cc (Plugin_finish::run): Remove function call to
1137 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
1138 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
1139 * reloc.cc (Read_relocs::run): Add task to process relocs and
1140 determine unreferenced sections when doing garbage collection.
1141 (Gc_process_relocs): New class.
1142 (Sized_relobj::do_gc_process_relocs): New function.
1143 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
1144 sections that are garbage collected.
1145 * reloc.h (Gc_process_relocs): New class.
1146 * sparc.cc (Target_sparc::gc_process_relocs): New function.
1147 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
1148 symbols whose corresponding sections are garbage collected.
1149 (Symbol_table::Symbol_table): Add new parameter for the garbage
1151 (Symbol_table::gc_mark_undef_symbols): New function.
1152 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1153 (Symbol_table::gc_mark_dyn_syms): New function.
1154 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
1156 (Symbol_table::add_from_object): Likewise.
1157 (Symbol_table::add_from_relobj): When building shared objects, do not
1158 treat externally visible symbols as garbage.
1159 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
1160 table information for static and relocatable links.
1161 * symtab.h (Symbol_table::set_gc): New function.
1162 (Symbol_table::gc): New function.
1163 (Symbol_table::gc_mark_undef_symbols): New function.
1164 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1165 (Symbol_table::gc_mark_dyn_syms): New function.
1166 (Symbol_table::gc_): New data member.
1167 * target.h (Sized_target::gc_process_relocs): New pure virtual
1169 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
1170 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
1172 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
1174 * options.h (General_options::gc_sections): Define as a no-op for now.
1175 (General_options::no_keep_memory): Ditto.
1176 (General_options::Bshareable): Define.
1177 * options.cc (General_options::finalize): Honor -Bshareable.
1179 2009-01-20 Andreas Schwab <schwab@suse.de>
1181 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
1182 read the value in the contents, since we don't use it. Use the
1183 template endianness when writing.
1184 (Relocate::relocate): Use it for R_PPC_REL16_HA.
1186 2009-01-19 Andreas Schwab <schwab@suse.de>
1188 * configure.tgt (powerpc64-*): Fix targ_obj.
1190 2009-01-15 Ian Lance Taylor <iant@google.com>
1192 * object.cc (Sized_relobj::write_local_symbols): Don't write out
1193 local symbols when stripping all symbols.
1195 2009-01-14 Cary Coutant <ccoutant@google.com>
1197 * output.cc (Output_reloc): Add explicit instantiations.
1199 2009-01-14 Cary Coutant <ccoutant@google.com>
1201 * archive.cc (Archive::get_elf_object_for_member): Remove call
1202 to File_read::claim_for_plugin.
1203 * descriptors.cc (Descriptors::open): Remove reference to
1205 (Descriptors::claim_for_plugin): Remove.
1206 * descriptors.h (Descriptors::claim_for_plugin): Remove.
1207 (Descriptors::is_claimed): Remove.
1208 (claim_descriptor_for_plugin): Remove.
1209 * fileread.cc (File_read::claim_for_plugin): Remove.
1210 * fileread.h (File_read::claim_for_plugin): Remove.
1211 (File_read::descriptor): Reopen descriptor if necessary.
1212 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
1213 (Plugin_manager::all_symbols_read): Add task parameter. Change
1215 (Plugin_manager::get_input_file): New function.
1216 (Plugin_manager::release_input_file): New function.
1217 (Pluginobj::Pluginobj): Add filesize parameter and initialize
1218 corresponding data member.
1219 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
1220 and pass to base constructor. Change all callers.
1221 (get_input_file, release_input_file): New functions.
1222 (make_sized_plugin_object): Add filesize parameter. Change all callers.
1223 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
1224 (Plugin_manager::all_symbols_read): Add task parameter.
1225 (Plugin_manager::get_input_file): New function.
1226 (Plugin_manager::release_input_file): New function.
1227 (Plugin_manager::task_): New data member.
1228 (Pluginobj::Pluginobj): Add filesize parameter.
1229 (Pluginobj::filename): New function.
1230 (Pluginobj::descriptor): New function.
1231 (Pluginobj::filesize): New function.
1232 (Pluginobj::filesize_): New data member.
1233 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
1234 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
1235 File_read::claim_for_plugin; use Object::unlock to unlock the file.
1237 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
1238 with archive libraries.
1239 * testsuite/Makefile.in: Regenerate.
1240 * testsuite/plugin_test.c (struct sym_info): New type.
1241 (get_input_file, release_input_file): New static variables.
1242 (onload): Capture new transfer vector entries.
1243 (claim_file_hook): Stop reading at end of file according to filesize.
1244 Factor out parsing of readelf output into separate function.
1245 (all_symbols_read_hook): Exercise get_input_file and release_input_file
1246 APIs and get the source file name from the symbol table. Convert
1247 source file name to corresponding object file name. Print info
1248 message when adding new input files.
1249 (parse_readelf_line): New function.
1250 * testsuite/plugin_test_1.sh: Add checks for new info messages.
1251 * testsuite/plugin_test_2.sh: Likewise.
1252 * testsuite/plugin_test_3.sh: Likewise.
1253 * testsuite/plugin_test_4.sh: New test case.
1255 2009-01-07 Ian Lance Taylor <iant@google.com>
1257 * version.cc (version_string): Bump to 1.8.
1259 2008-12-23 Cary Coutant <ccoutant@google.com>
1261 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
1262 * plugin.cc (Plugin_manager::finish): Rename as
1263 layout_deferred_objects. Move cleanup to separate function.
1264 (Plugin_manager::cleanup): New function.
1265 (Plugin_finish::run): Call layout_deferred_objects and cleanup
1267 * plugin.h (Plugin_manager::finish): Rename as
1268 layout_deferred_objects.
1269 (Plugin_manager::cleanup): New function.
1270 (Plugin_manager::cleanup_done): New field.
1272 2008-12-23 Cary Coutant <ccoutant@google.com>
1274 * plugin.cc (is_visible_from_outside): New function.
1275 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
1276 so we don't return "IR only" status for exported symbols or -r links.
1278 * testsuite/Makefile.am (plugin_test_3): New test case.
1279 * testsuite/Makefile.in: Regenerate.
1280 * testsuite/plugin_test_3.sh: New file.
1282 2008-12-22 Cary Coutant <ccoutant@google.com>
1284 * object.cc (Sized_relobj::layout_section): New function.
1285 (Sized_relobj::do_layout): Defer layout of input sections until after
1286 plugin has provided replacement files.
1287 (Sized_relobj::do_layout_deferred_sections): New function.
1288 * object.h (Relobj::set_section_offset): Remove virtual keyword.
1289 (Relobj::layout_deferred_sections): New function.
1290 (Relobj::do_layout_deferred_sections): New function.
1291 (Sized_relobj::do_layout_deferred_sections): New function.
1292 (Sized_relobj::layout_section): New function.
1293 (Sized_relobj::Deferred_layout): New structure.
1294 (Sized_relobj::deferred_layout_): New field.
1295 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
1296 Change all callers. Layout deferred sections.
1297 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
1299 (Plugin_hook::run): Move code from do_plugin_hook inline.
1300 (Plugin_hook::do_plugin_hook): Remove.
1301 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
1302 (Plugin_manager::finish): Renamed, was cleanup.
1303 (Plugin_manager::should_defer_layout): New function.
1304 (Plugin_manager::add_deferred_layout_object): New function.
1305 (Plugin_manager::Deferred_layout_list): New type.
1306 (Plugin_manager::deferred_layout_objects_): New field.
1307 (Plugin_hook::do_plugin_hook): Remove.
1309 2008-12-17 Ian Lance Taylor <iant@google.com>
1311 * options.h (class General_options): Add --no case for
1314 2008-12-16 Cary Coutant <ccoutant@google.com>
1316 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
1318 (Plugin_manager::claim_file): Create plugin object even if
1319 plugin did not call the add_symbols callback.
1320 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
1321 asking for more symbols than were added.
1322 * testsuite/Makefile.am (plugin_test_1): Add test case with
1324 (empty.syms): New target.
1325 * testsuite/Makefile.in: Regenerate.
1326 * testsuite/plugin_test.c (claim_file_hook): Add new debug
1327 message. Don't call add_symbols if no globals.
1328 (all_symbols_read_hook): Don't provide replacement for empty
1331 2008-12-12 Ian Lance Taylor <iant@google.com>
1333 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
1334 r_type == 0 for a local symbol with r_sym == 0.
1335 (scan_relocatable_relocs): Pass r_sym to
1336 local_non_section_strategy.
1337 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
1340 * configure.ac: Update test for TLS descriptors: they are
1341 supported as of glibc 2.9.
1342 * configure: Rebuild.
1344 2008-12-11 Ian Lance Taylor <iant@google.com>
1347 * target-reloc.h (Default_scan_relocatable_relocs): For each
1348 function, map r_type == 0 to RELOC_DISCARD.
1350 2008-12-10 Cary Coutant <ccoutant@google.com>
1352 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
1353 object to override a kept COMDAT group from a plugin object.
1355 2008-12-09 Ian Lance Taylor <iant@google.com>
1358 * yyscript.y (file_cmd): Handle INPUT.
1360 * testsuite/initpri1.c: Change all declarations to be full
1361 prototypes by adding void, to avoid compiler warnings.
1363 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
1365 * options.cc (General_options::parse_plugin_opt): New.
1366 (General_options::add_plugin): The argument now is just the filename.
1367 (General_options::add_plugin_option): New.
1368 * options.h (plugin_opt): New.
1369 (add_plugin): Change argument name.
1370 (add_plugin_option): New.
1371 * plugin.cc (Plugin::load): Don't parse the plugin option.
1372 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
1373 (Plugin::add_option): New.
1374 (Plugin::args_): Change type.
1375 (Plugin::filename_): New.
1376 (Plugin_manager::add_plugin_option): New.
1377 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
1378 * testsuite/Makefile.in: Regenerate.
1380 2008-12-05 Cary Coutant <ccoutant@google.com>
1382 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
1383 Handle --strip-lto-sections option.
1384 * options.h (strip_lto_sections): New option.
1386 2008-12-01 Cary Coutant <ccoutant@google.com>
1388 * plugin.cc (ld_plugin_message): Change format parameter to const.
1389 Fix mismatch between new[] and delete.
1391 2008-11-14 Cary Coutant <ccoutant@google.com>
1393 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
1396 2008-11-05 Craig Silverstein <csilvers@google.com>
1398 * options.cc (General_options::parse_dynamic_list): New function.
1399 * options.h (General_options): New flags dynamic_list,
1400 dynamic_list_data, dynamic_list_cpp_new, and
1401 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
1402 (General_options::in_dynamic_list): New function.
1403 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
1404 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
1405 (Lex::can_continue_name): Likewise.
1407 (read_script_file): New parameter script_options.
1408 (read_dynamic_list): New function.
1409 (Script_options::define_dynamic_list): New function.
1410 (dynamic_list_keyword_parsecodes): New variable.
1411 (dynamic_list_keywords): New variable.
1412 * script.h (Script_options::define_dynamic_list): New function
1414 (read_dynamic_list): New function prototype.
1415 * symtab.cc (strprefix): New macro.
1416 (Symbol::should_add_dynsym_entry): Support dynamic_list,
1417 dynamic_list_data, dynamic_list_cpp_new, and
1418 dynamic_list_cpp_typeinfo.
1419 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
1420 (dynamic_list_expr): New rule.
1421 (dynamic_list_nodes): Likewise.
1422 (dynamic_list_node): Likewise.
1423 * testsuite/Makefile.am (dynamic_list): New test.
1424 * testsuite/Makefile.in: Regenerated.
1425 * testsuite/dynamic_list.t: New file.
1426 * testsuite/dynamic_list.sh: New file.
1428 2008-11-05 Craig Silverstein <csilvers@google.com>
1430 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
1431 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
1432 (t11_last): Likewise.
1433 * testsuite/ver_test_6.c (main): Likewise.
1435 2008-10-07 Cary Coutant <ccoutant@google.com>
1437 * options.c (General_options::finalize): Add check for -static and
1439 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
1442 2008-10-02 Cary Coutant <ccoutant@google.com>
1444 * plugin.cc (make_sized_plugin_object): Fix conditional
1445 compilation to work when not all targets are enabled.
1447 2008-09-29 Cary Coutant <ccoutant@google.com>
1449 * archive.cc (Archive::get_file_and_offset): Use filename instead
1450 of name to get library path.
1451 (Archive::include_member): Unlock external member of a thin archive.
1453 * testsuite/Makefile.am (TEST_AR): New variable.
1454 (thin_archive_test_1): New test.
1455 (thin_archive_test_2): New test.
1456 * testsuite/Makefile.in: Regenerate.
1457 * testsuite/thin_archive_main.cc: New file.
1458 * testsuite/thin_archive_test_1.cc: New file.
1459 * testsuite/thin_archive_test_2.cc: New file.
1460 * testsuite/thin_archive_test_3.cc: New file.
1461 * testsuite/thin_archive_test_4.cc: New file.
1463 2008-09-29 Cary Coutant <ccoutant@google.com>
1465 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
1466 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
1468 (Sized_relobj::do_finalize_local_symbols): Likewise.
1469 (Sized_relobj::map_to_kept_section): Likewise.
1470 * object.h (Sized_relobj::invalid_address): New constant.
1471 (Sized_relobj::do_output_section_offset): Check for invalid_address
1473 * output.cc (Output_reloc::local_section_offset): Use constant
1474 invalid_address instead of -1U.
1475 (Output_reloc::get_address): Likewise.
1476 (Output_section::output_address): Change -1U to -1ULL.
1477 * output.h (Output_reloc::invalid_address): New constant.
1478 * reloc.cc (Sized_relobj::write_sections): Use constant
1479 invalid_address instead of -1U.
1480 (Sized_relobj::relocate_sections): Likewise.
1481 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
1482 values for merge sections.
1483 * target-reloc.h (relocate_for_relocatable): Use constant
1484 invalid_address instead of -1U.
1486 2008-09-19 Cary Coutant <ccoutant@google.com>
1488 Add plugin functionality for link-time optimization (LTO).
1489 * configure.ac (plugins): Add --enable-plugins option.
1490 * configure: Regenerate.
1491 * config.in: Regenerate.
1492 * Makefile.am (LIBDL): New variable.
1493 (CCFILES): Add plugin.cc.
1494 (HFILES): Add plugin.h.
1495 (ldadd_var): Add LIBDL.
1496 * Makefile.in: Regenerate.
1498 * archive.cc: Include "plugin.h".
1499 (Archive::setup): Don't preread archive symbols when using a plugin.
1500 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
1501 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
1503 (Archive::include_member): Add symbols from plugin objects.
1504 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
1505 * descriptors.cc (Descriptors::open): Check for file descriptors
1506 abandoned by plugins.
1507 (Descriptors::claim_for_plugin): New function.
1508 * descriptors.h (Descriptors::claim_for_plugin): New function.
1509 (Open_descriptor::is_claimed): New field.
1510 (claim_descriptor_for_plugin): New function.
1511 * fileread.cc (File_read::claim_for_plugin): New function.
1512 * fileread.h (File_read::claim_for_plugin): New function.
1513 (File_read::descriptor): New function.
1514 * gold.cc: Include "plugin.h".
1515 (queue_initial_tasks): Add task to call plugin hooks for generating
1517 * main.cc: Include "plugin.h".
1518 (main): Load plugin libraries.
1519 * object.h (Pluginobj): Declare.
1520 (Object::pluginobj): New function.
1521 (Object::do_pluginobj): New function.
1522 (Object::set_target): New function.
1523 * options.cc: Include "plugin.h".
1524 (General_options::parse_plugin): New function.
1525 (General_options::General_options): Initialize plugins_ field.
1526 (General_options::add_plugin): New function.
1527 * options.h (Plugin_manager): Declare.
1528 (General_options): Add --plugin option.
1529 (General_options::has_plugins): New function.
1530 (General_options::plugins): New function.
1531 (General_options::add_plugin): New function.
1532 (General_options::plugins_): New field.
1533 * plugin.cc: New file.
1534 * plugin.h: New file.
1535 * readsyms.cc: Include "plugin.h".
1536 (Read_symbols::do_read_symbols): Check for archive before checking
1537 for ELF file. Call plugin hooks to claim files.
1538 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
1539 from a real object file; force override when processing replacement
1541 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
1542 (Symbol::init_base_object): Likewise.
1543 (Symbol::init_base_output_data): Likewise.
1544 (Symbol::init_base_output_segment): Likewise.
1545 (Symbol::init_base_constant): Likewise.
1546 (Symbol::init_base_undefined): Likewise.
1547 (Symbol::output_section): Assert that object is not a plugin.
1548 (Symbol_table::add_from_pluginobj): New function.
1549 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
1551 (Symbol_table::sized_write_globals): Likewise.
1552 (Symbol_table::add_from_pluginobj): Instantiate template.
1553 * symtab.h (Sized_pluginobj): Declare.
1554 (Symbol::in_real_elf): New function.
1555 (Symbol::set_in_real_elf): New function.
1556 (Symbol::in_real_elf_): New field.
1557 (Symbol_table::add_from_pluginobj): New function.
1559 * testsuite/Makefile.am (AM_CFLAGS): New variable.
1560 (LIBDL): New variable.
1562 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
1563 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
1564 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
1565 (MOSTLYCLEANFILES): Likewise.
1566 * testsuite/Makefile.in: Regenerate.
1567 * testsuite/plugin_test.c: New file.
1568 * testsuite/plugin_test_1.sh: New file.
1569 * testsuite/plugin_test_2.sh: New file.
1571 2008-09-16 Ian Lance Taylor <iant@google.com>
1573 * target-reloc.h (relocate_section): Check whether a symbol is
1574 defined by the ABI before reporting an undefined symbol error.
1575 * target.h (Target::is_defined_by_abi): Make parameter const.
1576 (Target::do_is_defined_by_abi): Likewise.
1577 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
1578 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
1579 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
1580 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
1581 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
1582 * testsuite/Makefile.in: Rebuild.
1584 * fileread.cc (make_view): Add casts to avoid warning.
1586 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1588 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
1589 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1591 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1593 * options.h (General_options::output_is_executable): New.
1594 (General_options::output_is_pie): New.
1595 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
1596 for shared libraries.
1597 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1599 2008-09-11 Chris Demetriou <cgd@google.com>
1601 * options.h (origin): New -z option.
1602 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
1603 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
1606 2008-09-05 Cary Coutant <ccoutant@google.com>
1608 * fileread.cc (File_read::make_view): Add check for attempt to map
1611 2008-09-05 Cary Coutant <ccoutant@google.com>
1613 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
1614 explicit instantiations.
1616 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
1619 * options.cc (General_options::finalize): Allow undefined symbols
1620 in shlibs if linking -shared.
1623 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
1624 symbols as not needing a dynsym entry.
1626 2008-08-20 Craig Silverstein <csilvers@google.com>
1628 * fileread.cc (File_read::open): Do not lock the file unless it
1629 was successfully opened.
1631 2008-08-14 Cary Coutant <ccoutant@google.com>
1633 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
1634 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
1635 * testsuite/tls_test.cc (struct int128): 128-bit struct
1636 for testing TLS relocs with non-zero addend.
1637 (v12): New TLS variable.
1639 (t_last): Add check for v12.
1640 * testsuite/tls_test.h (t12): New function.
1641 * testsuite/tls_test_main.cc (thread_routine): Call new test.
1643 2008-08-13 Ian Lance Taylor <iant@google.com>
1645 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
1646 set tls_segment_ or relro_segment_.
1647 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
1649 * output.h (Output_section::clear_is_relro): New function.
1650 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
1651 sections specially even when output_data_ is empty.
1652 (Output_segment::maximum_alignment): When first section is relro,
1653 only force alignment for PT_LOAD segments.
1654 * script.cc (script_data_segment_align): New function.
1655 (script_data_segment_relro_end): New function.
1656 * script-c.h (script_data_segment_align): Declare.
1657 (script_data_segment_relro_end): Declare.
1658 * script-sections.h (class Script_sections): Declare
1659 data_segment_align and data_segment_relro_end. Add fields
1660 segment_align_index_ and saw_relro_end_.
1661 * script-sections.cc (class Sections_element): Add set_is_relro
1662 virtual function. Add new bool* parameter to place_orphan_here.
1663 Add get_output_section virtual function.
1664 (class Output_section_definition): Add set_is_relro. Add new
1665 bool* parameter to place_orphan_here. Add get_output_section.
1666 Add is_relro_ field.
1667 (Output_section_definition::Output_section_definition): Initialize
1668 evaluated_address_, evaluated_load_address, evaluated_addralign_,
1669 and is_relro_ fields.
1670 (Output_section_definition::place_orphan_here): Add is_relro
1672 (Output_section_definition::set_section_addresses): Set relro for
1674 (Output_section_definition::alternate_constraint): Likewise.
1675 (class Orphan_output_section): Add new bool* parameter to
1676 place_orphan_here. Add get_output_section.
1677 (Orphan_output_section::place_orphan_here): Add is_relro
1679 (Script_sections::Script_sections): Initialize
1680 data_segment_align_index_ and saw_relro_end_.
1681 (Script_sections::data_segment_align): New function.
1682 (Script_sections::data_segment_relro_end): New function.
1683 (Script_sections::place_orphan): Set or clear is_relro.
1684 (Script_sections::set_section_addresses): Force alignment of first
1686 * yyscript.y (exp): Call script_data_segment_align and
1687 script_data_segment_relro_end.
1688 * testsuite/relro_script_test.t: New file.
1689 * testsuite/relro_test.cc (using_script): Declare.
1690 (t1, t2): Test using_script.
1691 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
1692 (relro_script_test_SOURCES): Define.
1693 (relro_script_test_DEPENDENCIES): Define.
1694 (relro_script_test_LDFLAGS): Define.
1695 (relro_script_test_LDADD): Define.
1696 (relro_script_test.so): New target.
1697 * testsuite/Makefile.in: Rebuild.
1699 2008-08-06 Cary Coutant <ccoutant@google.com>
1701 * archive.cc (Archive::total_archives, Archive::total_members)
1702 (Archive::total_members_loaded): New variables.
1703 (Archive::setup): Add parameter. Add option to preread
1705 (Archive::read_armap): Add counter.
1706 (Archive::get_file_and_offset): New function.
1707 (Archive::get_elf_object_for_member): New function.
1708 (Archive::read_all_symbols): New function.
1709 (Archive::read_symbols): New function.
1710 (Archive::add_symbols): Add counters.
1711 (Archive::include_all_members): Use armap to find members if it's
1713 (Archive::include_member): Skip reading symbols if already read.
1714 Factored code into Archive::get_file_and_offset and
1715 Archive::get_elf_object_for_member. Changed call to
1716 Mapfile::report_include_archive_member.
1717 (Archive::print_stats): New function.
1718 * archive.h: Declare Object and Read_symbols_data classes.
1719 (Archive::Archive): Add initializers for new members.
1720 (Archive::setup): Add parameter.
1721 (Archive::print_stats): New function.
1722 (Archive::total_archives, Archive::total_members)
1723 (Archive::total_members_loaded): New variables.
1724 (Archive::get_file_and_offset): New function.
1725 (Archive::get_elf_object_for_member): New function.
1726 (Archive::read_all_symbols): New function.
1727 (Archive::read_symbols): New function.
1728 (Archive::Archive_member): New class.
1729 (Archive::members_): New member.
1730 (Archive::num_members_): New member.
1731 * main.cc: Include archive.h.
1732 (main): Call Archive::print_stats.
1733 * mapfile.cc (Mapfile::report_include_archive_member): Delete
1734 archive parameter; member_name is now the fully-decorated name.
1735 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
1736 * options.h: (General_options): Add --preread-archive-symbols option.
1737 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
1740 2008-08-04 Ian Lance Taylor <iant@google.com>
1742 * symtab.h (Symbol::use_plt_offset): New function.
1743 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
1744 * powerpc.cc (Relocate::relocate): Likewise.
1745 * sparc.cc (Relocate::relocate): Likewise.
1746 * x86_64.cc (Relocate::relocate): Likewise.
1747 * testsuite/weak_plt.sh: New test.
1748 * testsuite/weak_plt_main.cc: New test.
1749 * testsuite/weak_plt_shared.cc: New test.
1750 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
1751 (check_PROGRAMS): Add weak_plt.
1752 (check_DATA): Add weak_plt_shared.so.
1753 (weak_plt_main_pic.o, weak_plt): New targets.
1754 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
1755 * testsuite/Makefile.in: Rebuild.
1757 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
1759 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
1760 * testsuite/Makefile.in: Rebuild.
1762 2008-08-04 Alan Modra <amodra@bigpond.net.au>
1764 * Makefile.am (POTFILES.in): Set LC_ALL=C.
1765 * Makefile.in: Regenerate.
1766 * po/POTFILES.in: Regenerate.
1768 2008-07-29 Ian Lance Taylor <iant@google.com>
1770 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
1771 symbols before other symbols.
1772 * testsuite/script_test_2.cc (test_addr): Declare.
1773 (test_addr_alias): Declare.
1774 (main): Check that test_addr and test_addr_alias have the right
1776 * testsuite/script_test_2.t: Define test_addr_alias and
1779 2008-07-24 Ian Lance Taylor <iant@google.com>
1782 * descriptors.cc: New file.
1783 * descriptors.h: New file.
1784 * gold-threads.h (class Hold_optional_lock): New class.
1785 * fileread.cc: Include "descriptors.h".
1786 (File_read::~File_read): Release descriptor rather than closing
1788 (File_read::open) [file]: Call open_descriptor rather than open.
1789 Set is_descriptor_opened_.
1790 (File_read::open) [memory]: Assert that descriptor is not open.
1791 (File_read::reopen_descriptor): New function.
1792 (File_read::release): Release descriptor.
1793 (File_read::do_read): Make non-const. Reopen descriptor.
1794 (File_read::read): Make non-const.
1795 (File_read::make_view): Reopen descriptor.
1796 (File_read::do_readv): Likewise.
1797 * fileread.h (class File_read): Add is_descriptor_opened_ field.
1798 Update declarations.
1799 * layout.cc: Include "descriptors.h".
1800 (Layout::create_build_id): Use open_descriptor rather than open.
1801 * output.cc: Include "descriptors.h".
1802 (Output_file::open): Use open_descriptor rather than open.
1803 * archive.cc (Archive::const_iterator): Change Archive to be
1805 (Archive::begin, Archive::end): Make non-const.
1806 (Archive::count_members): Likewise.
1807 * archive.h (class Archive): Update declarations.
1808 * object.h (Object::read): Make non-const.
1809 * Makefile.am (CCFILES): Add descriptors.cc.
1810 (HFILES): Add descriptors.h.
1811 * Makefile.in: Rebuild.
1814 * gold.h: Always include <clocale>. Add Solaris workarounds
1815 following code in binutils/sysdep.h.
1818 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
1819 this->eh_frame_hdr_ is NULL before using it.
1821 * dynobj.cc (Versions::Versions): Update comment.
1823 * dynobj.cc (Versions::Versions): If there is an soname, use it as
1824 the base version name.
1826 * stringpool.cc (Stringpool_template::add_with_length): Set key to
1827 array size plus one.
1828 (Stringpool_template::set_string_offsets): Subtract one from key
1829 before using it as an array index.
1830 (Stringpool_template::get_offset_with_length): Likewise.
1831 (Stringpool_template::write_to_buffer): Likewise.
1832 * stringpool.h (Stringpool_template::get_offset_from_key):
1835 2008-07-23 Ian Lance Taylor <iant@google.com>
1838 * object.h (Merged_symbol_value::value): Do our best to handle a
1842 * script.cc (Version_script_info::get_versions): Don't add empty
1843 version tag to return value.
1844 (Version_script_info::get_symbol_version_helper): Change return
1845 type to bool. Add pversion parameter. Change all callers.
1846 (script_register_vers_node): Don't require a non-NULL tag.
1847 * script.h (class Version_script_info): Update declarations.
1848 (Version_script_info::get_symbol_version): Change return type to
1849 bool. Add version parameter. Change all callers.
1850 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
1851 handling. Handle an empty version from a version script.
1852 (Symbol_table::define_special_symbol): Likewise.
1853 * testsuite/ver_test_10.script: New file.
1854 * testsuite/ver_test_10.sh: New file.
1855 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
1856 (check_DATA): Add ver_test_10.syms.
1857 (ver_test_10.syms, ver_test_10.so): New target.
1858 * testsuite/Makefile.in: Rebuild.
1860 2008-07-23 Simon Baldwin <simonb@google.com>
1862 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
1863 to zero for undefined symbols from dynamic libraries.
1865 2008-07-23 Ian Lance Taylor <iant@google.com>
1867 * symtab.cc (Symbol_table::resolve): Remove version parameter.
1869 * symtab.h (class Symbol_table): Update declaration.
1870 * testsuite/ver_test_9.cc: New file.
1871 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
1872 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
1873 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
1874 (ver_test_9.so, ver_test_9.o): New targets.
1875 * testsuite/Makefile.in: Rebuild.
1877 2008-07-22 Ian Lance Taylor <iant@google.com>
1879 * options.h (class General_options): Define --check-sections.
1880 * layout.cc (Layout::set_segment_offsets): Handle
1883 * options.h (class General_options): Define -n/--nmagic and
1885 * options.cc (General_options::finalize): For -n/--nmagic or
1886 -N/--omagic, set -static.
1887 * layout.cc (Layout::attach_allocated_section_to_segment): If
1888 -N/--omagic, don't put read-only and read-write sections in
1890 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
1891 finding a read-only segment.
1892 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
1893 don't set the minimum segment alignment to the common page size,
1894 and don't set the file offset to the address modulo the page size.
1895 * script-sections.cc (Script_sections::create_segments): If
1896 -n/--omagic, don't put read-only and read-write sections in
1899 * cref.cc: New file.
1901 * options.h (class General_options): Add --print-symbol-counts.
1902 * main.cc (main): Issue defined symbol report if requested.
1903 * archive.cc (Archive::interpret_header): Make into a const member
1905 (Archive::add_symbols): Call Input_objects::archive_start and
1907 (Archive::const_iterator): Define new class.
1908 (Archive::begin, Archive::end): New functions.
1909 (Archive::include_all_members): Rewrite to use iterator.
1910 (Archive::count_members): New function.
1911 * archive.h (class Archive): Update declarations.
1912 (Archive::filename): New function.
1913 * object.cc: Include "cref.h".
1914 (Sized_relobj::Sized_relobj): Initialize defined_count_.
1915 (Sized_relobj::do_get_global_symbol_counts): New function.
1916 (Input_objects::add_object): Add object to cross-referencer.
1917 (Input_objects::archive_start): New function.
1918 (Input_objects::archive_stop): New function.
1919 (Input_objects::print_symbol_counts): New function.
1920 * object.h: Declare Cref and Archive.
1921 (Object::get_global_symbol_counts): New function.
1922 (Object::do_get_global_symbol_counts): New pure virtual function.
1923 (class Sized_relobj): Add defined_count_ field. Update
1925 (class Input_objects): Add cref_ field. Update constructor.
1926 Update declarations.
1927 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
1929 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
1931 (Sized_dynobj::do_get_global_symbol_counts): New function.
1932 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
1933 defined_count_. Update declarations. Define Symbols typedef.
1934 * symtab.cc (Symbol_table::add_from_relobj): Add defined
1935 parameter. Change all callers.
1936 (Symbol_table::add_from_dynobj): Add sympointers and defined
1937 parameters. Change all callers.
1938 * symtab.h (class Symbol_table): Update declarations.
1939 * Makefile.am (CCFILES): Add cref.cc.
1940 (HFILES): Add cref.h.
1941 * Makefile.in: Rebuild.
1943 2008-07-22 Simon Baldwin <simonb@google.com>
1945 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
1946 to zero when writing undefined symbols.
1948 2008-07-22 Ian Lance Taylor <iant@google.com>
1950 * output.cc (Output_section::add_input_section): Don't try to
1951 merge empty merge sections.
1953 2008-07-21 Craig Silverstein <csilvers@google.com>
1955 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1956 Include symbol version in error message.
1958 2008-07-20 Chris Demetriou <cgd@google.com>
1960 * configure.ac (gold_cv_c_random_seed): New configured variable.
1961 (RANDOM_SEED_CFLAGS): New substituted variable.
1962 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
1963 * configure: Rebuild.
1964 * Makefile.in: Likewise.
1965 * testsuite/Makefile.in: Likewise.
1967 2008-07-18 Ian Lance Taylor <iant@google.com>
1969 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
1970 where we see NAME/NULL and NAME/VERSION as separate symbols.
1971 * testsuite/ver_test_main.cc (main): Call t4.
1972 (t4, t4_2a): Define.
1973 * testsuite/ver_test_2.cc (t4_2): Define.
1974 * testsuite/ver_test_2.script: Put t4_2a in VER2.
1975 * testsuite/ver_test_4.cc (t4_2a): Define.
1976 * testsuite/ver_test_4.script: Put t4_2a in VER2.
1977 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
1979 2008-07-17 Ian Lance Taylor <iant@google.com>
1981 * dynobj.cc (Versions::add_def): If we give an error about a
1982 missing version, go ahead and create the version anyhow.
1984 2008-07-10 Ian Lance Taylor <iant@google.com>
1986 Handle output sections with more than 0x7fffffff bytes.
1987 * object.h (class Relobj): Change map_to_output_ to
1988 output_sections_, and just keep a section pointer. Change all
1989 uses. Move comdat group support to Sized_relobj.
1990 (Relobj::is_section_specially_mapped): Remove.
1991 (Relobj::output_section): Remove poff parameter. Change all
1993 (Relobj::output_section_offset): New function.
1994 (Relobj::set_section_offset): Rewrite.
1995 (Relobj::map_to_output): Remove.
1996 (Relobj::output_sections): New function.
1997 (Relobj::do_output_section_offset): New pure virtual function.
1998 (Relobj::do_set_section_offset): Likewise.
1999 (class Sized_relobj): Add section_offsets_ field. Add comdat
2000 group support from Relobj. Update declarations.
2001 (Sized_relobj::get_output_section_offset): New function.
2002 (Sized_relobj::do_output_section_offset): New function.
2003 (Sized_relobj::do_set_section_offset): New function.
2004 * object.cc (Relobj::output_section_address): Remove.
2005 (Sized_relobj::Sized_relobj): Initialize new fields.
2006 (Sized_relobj::include_section_group): Cast find_kept_object to
2008 (Sized_relobj::include_linkonce_section): Likewise.
2009 (Sized_relobj::do_layout): Use separate arrays for output section
2011 (Sized_relobj::do_count_local_symbols): Change map_to_output to
2013 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
2014 output_sections and section_offsets.
2015 (Sized_relobj::write_local_symbols): Likewise.
2016 (map_to_kept_section): Compute output address directly.
2017 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
2018 output_sections and section_offsets.
2019 (Sized_relobj::write_sections): Likewise.
2020 (Sized_relobj::relocate_sections): Likewise.
2021 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
2022 * output.h (class Output_reloc): Update declarations. Change
2023 u2_.relobj to Sized_relobj*.
2024 (class Output_data_reloc): Change add functions to use
2026 * output.cc (Output_reloc::Output_reloc): Change relobj to
2028 (Output_reloc::local_section_offset): Change return type to
2029 Elf_Addr. Use get_output_section_offset.
2030 (Output_reloc::get_address): Likewise.
2031 (Output_section::is_input_address_mapped): Don't call
2032 is_section_specially_mapped.
2033 (Output_section::output_offset): Likewise.
2034 (Output_section::output_address): Likewise.
2035 (Output_section::starting_output_address): Likewise.
2036 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
2037 parameter to Sized_relobj*.
2038 (Copy_relocs::need_copy_reloc): Likewise.
2039 (Copy_relocs::save): Likewise.
2040 * copy-relocs.h (class Copy_relocs): Update declarations.
2041 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
2042 Sized_relobj*. Change relobj_ field to Sized_relobj*.
2043 * target-reloc.h (relocate_for_relocatable): Change
2044 offset_in_output_section type to Elf_Addr. Change code that uses
2046 * layout.cc (Layout::layout): Always set *off.
2047 * mapfile.cc (Mapfile::print_input_section): Use
2048 output_section_offset.
2049 * i386.cc (Target_i386::copy_reloc): Change object parameter to
2051 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
2052 * sparc.cc (Target_sparc::copy_reloc): Likewise.
2053 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2055 2008-07-03 Ian Lance Taylor <iant@google.com>
2057 * layout.cc (Layout::include_section): Do not discard unrecognized
2058 SHT_STRTAB sections.
2060 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
2062 * script.cc (Lex::can_continue_name): Make '?' allowable in
2063 version-script names.
2064 * testsuite/version_script.map: Change glob pattern to use '?'
2066 2008-06-30 Manish Singh <yosh@gimp.org>
2069 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
2072 2008-06-30 Ian Lance Taylor <iant@google.com>
2076 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
2077 versions]: Don't try to read the value in the contents, since we
2078 don't use it. Use the template endianness when writing.
2080 2008-06-25 Cary Coutant <ccoutant@google.com>
2082 * fileread.cc (File_read::make_view): Assert on zero-length view.
2083 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
2084 symbol table when there are no symbols to read.
2086 2008-06-23 Craig Silverstein <csilvers@google.com>
2088 * version.cc (version_string): Bump to 1.7
2090 2008-06-18 Craig Silverstein <csilvers@google.com>
2092 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
2093 constant 0xFFFF to type Valtype.
2094 (Powerpc_relocate_functions::rel16_ha): Likewise.
2096 2008-06-17 Ian Lance Taylor <iant@google.com>
2098 * output.h (Output_section::Input_section): Initialize p2align_ to
2099 zero for Output_section_data constructors.
2100 (Output_section::Input_section::addralign): If not an input
2101 section, return the alignment of the Output_section_data.
2102 * testsuite/copy_test.cc: New file.
2103 * testsuite/copy_test_1.cc: New file.
2104 * testsuite/copy_test_2.cc: New file.
2105 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
2106 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
2107 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
2108 (copy_test_1_pic.o, copy_test_1.so): New targets.
2109 (copy_test_2_pic.o, copy_test_2.so): New targets.
2110 * testsuite/Makefile.in: Rebuild.
2112 * script-sections.cc (Script_sections::place_orphan): Initialize
2113 local variable exact.
2115 2008-06-13 David Edelsohn <edelsohn@gnu.org>
2117 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
2119 2008-06-12 David Edelsohn <edelsohn@gnu.org>
2120 David S. Miller <davem@davemloft.net>
2122 * powerpc.cc: New file.
2123 * Makefile.am (TARGETSOURCES): Add powerpc.cc
2124 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
2125 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
2126 * Makefile.in: Rebuild.
2128 2008-06-09 Ian Lance Taylor <iant@google.com>
2130 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
2132 (throwing, orig_terminate): New static variables.
2133 (terminate_handler): New static function.
2134 (t2): Set terminate handler.
2136 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
2139 * binary.cc (Binary_to_elf::sized_convert): Fix .data
2142 2008-05-30 Cary Coutant <ccoutant@google.com>
2144 * archive.cc (Archive::include_all_members) Correct to step
2145 over symbol table and extended name table in thin archives.
2147 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
2150 * target-reloc.h (relocate_for_relocatable): Fix new_offset
2153 2008-05-28 Caleb Howe <cshowe@google.com>
2155 * reduced_debug_output.cc: New file.
2156 * reduced_debug_output.h: New file.
2157 * options.h (class General_options): Add --strip-debug-non-line.
2158 * options.cc (General_options::finalize): Add strip_debug_non_line
2159 to the strip heirarchy.
2160 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
2162 * layout.cc: Include "reduced_debug_output.h".
2163 (Layout::Layout): Initialize new fields.
2164 (line_only_debug_sections): New static array.
2165 (is_lines_only_debug_sections): New static inline function.
2166 (Layout::include_section): Handle --strip-debug-non-line.
2167 (Layout::make_output_section): If --strip-debug-non-line, build
2168 new output sections for .debug_abbrev and .debug_info.
2169 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
2170 gold. Warn about possible overflow.
2171 (read_signed_LEB_128): Likewise.
2172 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
2173 (read_signed_LEB_128): Declare.
2174 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
2175 (HFILES): Add reduced_debug_output.h.
2176 * Makefile.in: Rebuild.
2178 2008-05-21 Ian Lance Taylor <iant@google.com>
2180 * mapfile.cc: New file.
2181 * mapfile.h: New file.
2182 * options.h (class General_options): Add -M/--print-map and -Map.
2183 * options.cc (General_options::finalize): Make -M equivalent to
2185 * main.cc: Include <cstdio> and "mapfile.h".
2186 (main): Open mapfile if requested.
2187 * gold.cc (class Middle_runner): Add mapfile_ field. Update
2188 constructor. Change caller.
2189 (queue_initial_tasks): Add mapfile parameter. Change caller.
2190 (queue_middle_tasks): Likewise.
2191 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
2193 * archive.cc: Include "mapfile.h".
2194 (Archive::add_symbols): Add mapfile parameter. Change all
2195 callers. Pass mapfile, symbol, and reason to include_member.
2196 (Archive::include_all_members): Add mapfile parameter. Change all
2198 (Archive::include_member): Add mapfile, sym, and why parameters.
2199 Change all callers. Report inclusion to map file.
2200 * archive.h: Include "fileread.h".
2201 (class Archive): Update declarations.
2202 (Archive::file): New const method.
2203 (class Add_archive_symbols): Add mapfile_ field. Update
2204 constructor. Change all callers.
2205 * readsyms.h (class Read_symbols): Likewise.
2206 (class Finish_group): Likewise.
2207 (class Read_script): Likewise.
2208 * common.cc: Include "mapfile.h".
2209 (Symbol_table::allocate_commons): Add mapfile parameter. Change
2211 (Symbol_table::do_allocate_commons): Likewise.
2212 (Symbol_table::do_allocate_commons_list): Likewise. Report common
2213 symbol allocation to mapfile.
2214 * common.h (class Allocate_commons_task): Add mapfile_ field.
2215 Update constructor. Change all callers.
2216 * symtab.h (class Symbol_table): Update declarations.
2217 * layout.cc: Include "mapfile.h".
2218 (Layout_task_runner::run): Print information to mapfile.
2219 (Layout::create_gold_note): Change Output_data_fixed_space to
2220 Output_data_zero_fill.
2221 (Layout::create_build_id): Likewise.
2222 (Layout::print_to_mapfile): New function.
2223 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
2224 constructor. Change caller.
2225 (class Layout): Declare print_to_mapfile.
2226 * output.cc (Output_section::Input_section::print_to_mapfile): New
2228 (Output_section::add_input_section): If producing a map, always
2229 add to input_sections_ list.
2230 (Output_section::do_print_to_mapfile): New function.
2231 (Output_segment::print_sections_to_mapfile): New function.
2232 (Output_segment::print_section_list_to_mapfile): New function.
2233 * output.h: Include "mapfile.h".
2234 (Output_data::print_to_mapfile): New function.
2235 (Output_data::do_print_to_mapfile): New virtual function.
2236 (Output_segment_headers::do_print_to_mapfile): New function.
2237 (Output_file_header::do_print_to_mapfile): New function.
2238 (Output_data_const::do_print_to_mapfile): New function.
2239 (class Output_data_const_buffer): Add map_name_ field. Update
2240 constructor. Change all callers. Add do_print_to_mapfile
2242 (class Output_data_fixed_space): Likewise.
2243 (class Output_data_space): Likewise.
2244 (class Output_data_zero_fill): New class.
2245 (Output_data_strtab::do_print_to_mapfile): New function.
2246 (Output_data_reloc_base::do_print_to_mapfile): New function.
2247 (Output_relocatable_relocs::do_print_to_mapfile): New function.
2248 (Output_data_group::do_print_to_mapfile): New function.
2249 (Output_data_got::do_print_to_mapfile): New function.
2250 (Output_data_dynamic::do_print_to_mapfile): New function.
2251 (Output_symtab_xindex::do_print_to_mapfile): New function.
2252 (class Output_section): Declare do_print_to_mapflie. Declare
2253 print_to_mapfile in Input_section.
2254 (class Output_segment): Declare new functions.
2255 * object.h (Sized_relobj::symbol_count): New function.
2256 * script-sections.cc
2257 (Output_section_element_dot_assignment::set_section_addresses):
2258 Change Output_data_fixed_space to Output_data_zero_fill.
2259 (Output_data_expression::do_print_to_mapfile): New function.
2260 * script.cc (read_input_script): Add mapfile parameter. Change
2262 * script.h (read_input_script): Update declaration.
2263 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
2264 (Eh_frame::do_print_to_mapfile): New function.
2265 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
2266 (Output_merge_string::do_print_to_mapfile): New function.
2267 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
2269 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
2271 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
2273 * Makefile.am (CCFILES): Add mapfile.cc.
2274 (HFILES): Add mapfile.h.
2275 * Makefile.in: Rebuild.
2277 2008-05-19 Ian Lance Taylor <iant@google.com>
2279 * options.h (class General_options): Add -z relro.
2280 * layout.cc (Layout::Layout): Initialize relro_segment_.
2281 (Layout::add_output_section_data): Return the output section.
2282 (Layout::make_output_section): Rcognize relro sections and mark
2284 (Layout::attach_allocated_section_to_segment): Put relro sections
2285 in a PT_GNU_RELRO segment.
2286 (Layout::create_initial_dynamic_sections): Mark the .dynamic
2288 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
2290 (Layout::linkonce_mapping): Map d.rel.ro.local to
2292 (Layout::output_section_name): Us .data.rel.ro.local for any
2293 section which begins with that.
2294 * layout.h (class Layout): Update add_output_section_data
2295 declaration. Add relro_segment_ field.
2296 * output.cc (Output_section::Output_section): Initialize is_relro_
2297 and is_relro_local_ fields.
2298 (Output_segment::add_output_section): Group relro sections.
2299 (Output_segment::is_first_section_relro): New function.
2300 (Output_segment::maximum_alignment): If there is a relro section,
2301 align the segment to the common page size.
2302 (Output_segment::set_section_addresses): Track whether we are
2303 looking at relro sections. If the last section is a relro
2304 section, align to the common page size.
2305 (Output_segment::set_section_list_addresses): Add in_relro
2306 parameter. Change all callers. Align to the page size when
2307 moving from relro to non-relro section.
2308 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
2310 * output.h (class Output_section): Add is_relro_ and
2311 is_relro_local_ fields.
2312 (Output_section::is_relro): New function.
2313 (Output_section::set_is_relro): New function.
2314 (Output_section::is_relro_local): New function.
2315 (Output_section::set_is_relro_local): New function.
2316 (class Output_segment): Update declarations.
2317 * i386.cc (Target_i386::got_section): Mark .got section as relro.
2318 * sparc.cc (Target_sparc::got_section): Likewise.
2319 * x86_64.cc (Target_x86_64::got_section): Likewise.
2320 * testsuite/relro_test_main.cc: New file.
2321 * testsuite/relro_test.cc: New file.
2322 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
2323 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
2324 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
2325 (relro_test.so, relro_test_pic.o): New targets.
2326 * testsuite/Makefile.in: Rebuild.
2328 2008-05-16 Ian Lance Taylor <iant@google.com>
2330 * output.cc (Output_segment::add_output_section): Remove front
2332 * output.h (class Output_segment): Remove
2333 add_initial_output_section and overloaded add_output_section.
2334 Update declaration of remaining add_output_section.
2335 * layout.cc (Layout::create_interp): Call add_output_section
2336 rather than add_initial_output_section.
2337 (Layout::finish_dynamic_section): Likewise.
2339 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
2340 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
2341 know the dynamic type.
2342 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
2343 field. Initialize it in constructor.
2344 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
2345 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
2346 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
2349 * output.cc (Output_reloc::get_address): Change return type to
2351 * output.h (class Output_reloc): Update get_address declaration.
2352 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
2353 for section addresses.
2355 2008-05-09 Ian Lance Taylor <iant@google.com>
2358 * gold.cc (gold_nomem): Use return value of write.
2360 2008-05-08 Ian Lance Taylor <iant@google.com>
2362 * symtab.c (Symbol::init_base_output_data): Add version
2363 parameter. Change all callers.
2364 (Symbol::init_base_output_segment): Likewise.
2365 (Symbol::init_base_constant): Likewise.
2366 (Symbol::init_base_undefined): Likewise.
2367 (Sized_symbol::init_output_data): Likewise.
2368 (Sized_symbol::init_output_segment): Likewise.
2369 (Sized_symbol::init_constant): Likewise.
2370 (Sized_symbol::init_undefined): Likewise.
2371 (Symbol_table::do_define_in_output_data): If the new symbol has a
2372 version, mark it as the default.
2373 (Symbol_table::do_define_in_output_segment): Likewise.
2374 (Symbol_table::do_define_as_constant): Likewise.
2375 * symtab.h (class Symbol): Update declarations.
2376 (class Sized_symbol): Likewise.
2377 * resolve.cc (Symbol::override_version): New function.
2378 (Symbol::override_base): Call override_version.
2379 (Symbol::override_base_with_special): Likewise.
2380 * testsuite/ver_script_8.script: New file.
2381 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
2382 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
2383 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
2384 (ver_test_8_1.so, ver_test_8_2.so): New targets.
2386 2008-05-06 Ian Lance Taylor <iant@google.com>
2389 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
2391 (class General_options): Remove existing --undefined, and add
2392 --no-undefined instead. Add new --undefined as synonym for -u.
2393 * archive.cc (Archive::add_symbols): Check whether symbol was
2395 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
2396 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
2397 all uses. Add IS_UNDEFINED. Update declarations to split
2398 different versions of init_base. Declare init_base_undefined.
2399 (Symbol::is_defined): Handle IS_UNDEFINED.
2400 (Symbol::is_undefined): Likewise.
2401 (Symbol::is_weak_undefined): Call is_undefined.
2402 (Symbol::is_absolute): Handle IS_CONSTANT.
2403 (class Sized_symbol): Update declarations to split different
2404 versions of init. Declare init_undefined.
2405 (class Symbol_table): Declare new functions.
2406 * symtab.cc (Symbol::init_base_object): Rename from init_base.
2408 (Symbol::init_base_output_data): Likewise.
2409 (Symbol::init_base_output_segment): Likewise.
2410 (Symbol::init_base_constant): Likewise.
2411 (Symbol::init_base_undefined): New function.
2412 (Sized_symbol::init_object): Rename from init. Change all
2414 (Sized_symbol::init_output_data): Likewise.
2415 (Sized_symbol::init_output_segment): Likewise.
2416 (Sized_symbol::init_constant): Likewise.
2417 (Sized_symbol::init_undefined): New function.
2418 (Symbol_table::add_undefined_symbols_from_command_line): New
2420 (Symbol_table::do_add_undefined_symbols_from_command_line): New
2422 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
2423 (Symbol::output_section): Likewise.
2424 (Symbol::set_output_section): Likewise.
2425 (Symbol_table::sized_finalize_symbol): Likewise.
2426 (Symbol_table::sized_write_globals): Likewise.
2427 * resolve.cc (Symbol_table::should_override): Likewise.
2428 (Symbol::override_base_with_special): Likewise.
2430 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
2431 symbol, change it to have default visibility.
2432 * testsuite/protected_1.cc: New file.
2433 * testsuite/protected_2.cc: New file.
2434 * testsuite/protected_3.cc: New file.
2435 * testsuite/protected_main_1.cc: New file.
2436 * testsuite/protected_main_2.cc: New file.
2437 * testsuite/protected_main_3.cc: New file.
2438 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
2439 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
2440 (protected_1_LDFLAGS, protected_1_LDADD): Define.
2441 (protected_1.so): New target.
2442 (protected_1_pic.o, protected_2_pic.o): New targets.
2443 (protected_3_pic.o): New target.
2444 (check_PROGRAMS): Add protected_2.
2445 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
2446 (protected_2_LDFLAGS, protected_2_LDADD): Define.
2447 * testsuite/Makefile.in: Rebuild.
2449 * options.h (DEFINE_var): Add set_user_set_##varname__.
2450 (DEFINE_bool_alias): New macro.
2451 (class General_options): Define -Bstatic using DEFINE_bool_alias
2452 rather than DEFINE_special. Add --undefined as an alias for -z
2454 * options.cc (General_options::parse_Bstatic): Remove.
2456 * options.h (class General_options): Add --fatal-warnings.
2457 * main.cc (main): Implement --fatal-warnings.
2458 * errors.h (Errors::warning_count): New function.
2460 * options.h (class General_options): Add -Bsymbolic-functions.
2461 * symtab.h (Symbol::is_preemptible): Check for
2462 -Bsymbolic-functions.
2464 2008-05-05 Ian Lance Taylor <iant@google.com>
2466 * options.h (DEFINE_bool): For DASH_Z, create the negative option
2467 as noVARNAME rather than no-VARNAME.
2468 (class General_options): Add option -z combreloc.
2469 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
2471 (Output_reloc::sort_before) [SHT_REL]: New function.
2472 (Output_reloc::sort_before) [SHT_RELA]: New function.
2473 (class Output_data_reloc_base): Add sort_relocs_ field. Define
2474 Sort_relocs_comparison.
2475 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
2476 parameter. Change all callers.
2477 (Output_data_reloc::Output_data_reloc) [both versions]: Add
2478 sort_relocs parameter. Change all callers.
2479 * output.cc (Output_reloc::get_address): New function, broken out
2481 (Output_reloc::write_rel): Call it.
2482 (Output_reloc::compare): New function.
2483 (Output_data_reloc_base::do_write): Optionally sort relocs.
2485 * configure.ac: If targ_extra_obj is set, link it in.
2486 * configure.tgt: Initialize all variables.
2487 (x86_64*): Set targ_extra_obj and targ_extra_size.
2488 * configure: Rebuild.
2490 * object.cc (Sized_relobj::include_section_group): Adjust section
2491 indexes read from group data. Build vector to pass to
2493 * layout.cc (Layout::layout_group): Add flags and shndxes
2494 parameters. Remove contents parameter. Change caller. Update
2495 explicit instantiations.
2496 * layout.h (class Layout): Update layout_group declaration.
2497 * output.cc (Output_data_group::Output_data_group): Add flags and
2498 input_shndxes parameters. Remove contents parameter. Change
2500 (Output_data_group::do_write): Change input_sections_ to
2502 * output.h (class Output_data_group): Update constructor
2503 declaration. Rename input_sections_ to input_shndxes_.
2504 * testsuite/many_sections_test.cc: Add template.
2506 2008-04-30 Cary Coutant <ccoutant@google.com>
2508 * target-reloc.h (relocate_section): Fix dead-pointer bug.
2510 * layout.cc (Layout::include_section): Refactored check for debug
2512 (Layout::add_comdat): Add new parameters. Change type
2513 of signature parameter. Add object and shndx to signatures table.
2514 (Layout::find_kept_object): New function.
2515 * layout.h: Include <cstring>.
2516 (Layout::is_debug_info_section): New function.
2517 (Layout::add_comdat): Add new parameters.
2518 (Layout::find_kept_object): New function.
2519 (Layout::Kept_section): New struct.
2520 (Layout::Signatures): Change type of map range.
2521 * object.cc (Relobj::output_section_address): New function.
2522 (Sized_relobj::include_section_group): Add new parameters. Change
2523 calls to Layout::add_comdat. Change to build table of kept comdat
2524 groups and table mapping discarded sections to kept sections.
2525 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
2526 (Sized_relobj::do_layout): Change calls to include_section_group and
2527 include_linkonce_section.
2528 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
2529 value to zero when section is discarded.
2530 (Sized_relobj::map_to_kept_section): New function.
2531 * object.h (Relobj::output_section_address): New function.
2532 (Relobj::Comdat_group): New type.
2533 (Relobj::find_comdat_group): New function.
2534 (Relobj::Comdat_group_table): New type.
2535 (Relobj::Kept_comdat_section): New type.
2536 (Relobj::Kept_comdat_section_table): New type.
2537 (Relobj::add_comdat_group): New function.
2538 (Relobj::set_kept_comdat_section): New function.
2539 (Relobj::get_kept_comdat_section): New function.
2540 (Relobj::comdat_groups_): New field.
2541 (Relobj::kept_comdat_sections_): New field.
2542 (Symbol_value::input_value): Update comment.
2543 (Sized_relobj::map_to_kept_section) New function.
2544 (Sized_relobj::include_linkonce_section): Add new parameter.
2545 * target-reloc.h (Comdat_behavior): New type.
2546 (get_comdat_behavior): New function.
2547 (relocate_section): Add code to map a discarded section to the
2548 corresponding kept section when applying a relocation.
2550 2008-04-30 Craig Silverstein <csilvers@google.com>
2552 * dwarf_reader.cc (next_generation_count): New static var.
2553 (Addr2line_cache_entry): New struct.
2554 (addr2line_cache): New static var.
2555 (Dwarf_line_info::one_addr2line): Added caching.
2556 (Dwarf_line_info::clear_addr2line_cache): New function.
2557 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
2558 cache-size parameter.
2559 (Dwarf_line_info::one_addr2line_cache): New function.
2560 * symtab.cc (Symbol_table::detect_odr_violations): Pass
2561 new cache-size argument to one_addr2line(), and clear cache.
2563 2008-04-28 Cary Coutant <ccoutant@google.com>
2565 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
2566 R_386_PC8 relocations.
2568 2008-04-23 Ian Lance Taylor <iant@google.com>
2570 * object.cc (Sized_relobj::include_section_group): Check for
2571 invalid section group.
2573 * object.cc (make_elf_object): Correct test for 64-bit ELF file
2576 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
2577 than read for file header.
2578 * archive.cc (Archive::include_member): Likewise.
2580 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
2582 * aclocal.m4: Regenerate.
2583 * configure: Regenerate.
2585 2008-04-19 Ian Lance Taylor <iant@google.com>
2587 * version.cc (version_string): Bump to 1.6.
2589 * testsuite/Makefile.am (many_sections_r_test): New target.
2590 (many_sections_r_test_SOURCES): Remove.
2591 (many_sections_r_test_DEPENDENCIES): Remove.
2592 (many_sections_r_test_LDFLAGS): Remove.
2593 (many_sections_r_test_LDADD): Remove.
2595 * object.cc (Sized_relobj::do_add_symbols): Always pass
2596 local_symbol_count_ to add_from_relobj.
2598 * testsuite/Makefile.am (many_sections_check.h): Only check one in
2599 every thousand variables.
2600 * testsuite/Makefile.in: Rebuild.
2602 * object.cc (Xindex::initialize_symtab_xindex): New function.
2603 (Xindex::read_symtab_xindex): New function.
2604 (Xindex::sym_xindex_to_shndx): New function.
2605 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
2607 (Sized_relobj::do_initialize_xindex): New function.
2608 (Sized_relobj::do_read_symbols): Adjust section links.
2609 (Sized_relobj::symbol_section_and_value): Add is_ordinary
2610 parameter. Change all callers.
2611 (Sized_relobj::include_section_group): Adjust section links and
2612 symbol section indexes.
2613 (Sized_relobj::do_layout): Adjust section links.
2614 (Sized_relobj::do_count_local_symbols): Adjust section links and
2615 symbol section indexes.
2616 (Sized_relobj::do_finalize_local_symbols): Distinguish between
2617 ordinary and special symbols.
2618 (Sized_relobj::write_local_symbols): Add symtab_xindex and
2619 dynsym_xindex parameters. Change all callers. Adjust section
2620 links. Use SHN_XINDEX when needed.
2621 (Sized_relobj::get_symbol_location_info): Adjust section links.
2622 Don't get fooled by special symbols.
2623 * object.h (class Xindex): Define.
2624 (class Object): Add xindex_ parameter. Declare virtual functoin
2625 do_initialize_xindex.
2626 (Object::adjust_sym_shndx): New function.
2627 (Object::set_xindex): New protected function.
2628 (class Symbol_value): Add is_ordinary_shndx_ field.
2629 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
2630 (Symbol_value::value): Assert ordinary section.
2631 (Symbol_value::initialize_input_to_output_map): Likewise.
2632 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
2634 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
2636 (class Sized_relobj): Update declarations.
2637 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
2638 parameter. Change all callers.
2639 (Sized_relobj::adjust_shndx): New function.
2640 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
2642 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
2643 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
2644 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
2645 (Sized_dynobj::read_dynsym_section): Adjust section links.
2646 (Sized_dynobj::read_dynamic): Likewise.
2647 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
2649 (Sized_dynobj::do_initialize_xindex): New function.
2650 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
2651 do_initialize_xindex.
2652 (Sized_dynobj::adjust_shndx): New function.
2653 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
2654 dynsym_xindex_ fields.
2655 (Layout::finalize): Add a call to set_section_indexes before
2656 creating the symtab sections.
2657 (Layout::set_section_indexes): Don't do anything if the section
2658 already has a section index.
2659 (Layout::create_symtab_sections): Add shnum parameter. Change
2660 caller. Create .symtab_shndx section if needed.
2661 (Layout::create_shdrs): Add shstrtab_section parameter. Change
2663 (Layout::allocated_output_section_count): New function.
2664 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
2666 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
2667 fields. Update declarations.
2668 (Layout::symtab_xindex): New function.
2669 (Layout::dynsym_xindex): New function.
2670 (class Write_symbols_task): Add layout_ field.
2671 (Write_symbols_task::Write_symbols_task): Add layout parameter.
2673 * output.cc (Output_section_headers::Output_section_headers): Add
2674 shstrtab_section parameter. Change all callers.
2675 (Output_section_headers::do_sized_write): Store overflow values
2676 for section count and section string table section index in
2677 section header zero.
2678 (Output_file_header::do_sized_write): Check for overflow of
2679 section count and section string table section index.
2680 (Output_symtab_xindex::do_write): New function.
2681 (Output_symtab_xindex::endian_do_write): New function.
2682 * output.h (class Output_section_headers): Add shstrtab_section_.
2683 Update declarations.
2684 (class Output_symtab_xindex): Define.
2685 (Output_section::has_out_shndx): New function.
2686 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
2688 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
2690 (Sized_symbol::init): Likewise.
2691 (Symbol::output_section): Check for ordinary symbol.
2692 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
2693 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
2695 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
2696 Change all callers. Simplify handling of symbols from sections
2697 not included in the link.
2698 (Symbol_table::add_from_dynobj): Handle ordinary symbol
2700 (Weak_alias_sorter::operator()): Assert that symbols are
2702 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
2704 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
2705 parameters. Change all callers.
2706 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
2707 symbol distinction. Use SHN_XINDEX when needed.
2708 (Symbol_table::write_section_symbol): Add symtab_xindex
2709 parameter. Change all callers.
2710 (Symbol_table::sized_write_section_symbol): Likewise. Use
2711 SHN_XINDEX when needed.
2712 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
2714 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
2715 (Symbol::is_defined): Check is_ordinary.
2716 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
2717 (Symbol::is_absolute, Symbol::is_common): Likewise.
2718 (class Sized_symbol): Update declarations.
2719 (class Symbol_table): Update declarations.
2720 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
2721 parameters. Change all callers.
2722 (Sized_symbol::override): Likewise.
2723 (Symbol_table::override): Likewise.
2724 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
2725 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
2726 is_ordinary, and orig_st_shndx parameters. Change all callers.
2727 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
2728 to be in an ordinary section.
2729 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
2730 object and is_ordinary parameters. Change all callers.
2731 (Sized_dwarf_line_info::read_relocs): Add object parameter.
2732 Change all callers. Don't add undefined or non-ordinary symbols
2734 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
2736 * dwarf_reader.h (class Sized_dwarf_line_info): Update
2738 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
2739 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
2740 (Sized_relobj::relocate_sections): Likewise.
2741 * target-reloc.h (scan_relocs): Adjust section symbol index.
2742 (scan_relocatable_relocs): Likewise.
2743 * i386.cc (Scan::local): Check for ordinary symbols.
2744 * sparc.cc (Scan::local): Likewise.
2745 * x86_64.cc (Scan::local): Likewise.
2746 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
2747 to symbol_section_and_value.
2748 * testsuite/many_sections_test.cc: New file.
2749 * testsuite/Makefile.am (BUILT_SOURCES): Define.
2750 (check_PROGRAMS): Add many_sections_test.
2751 (many_sections_test_SOURCES): Define.
2752 (many_sections_test_DEPENDENCIES): Define.
2753 (many_sections_test_LDFLAGS): Define.
2754 (BUILT_SOURCES): Add many_sections_define.h.
2755 (many_sections_define.h): New target.
2756 (BUILT_SOURCES): Add many_sections_check.h.
2757 (many_sections_check.h): New target.
2758 (check_PROGRAMS): Add many_sections_r_test.
2759 (many_sections_r_test_SOURCES): Define.
2760 (many_sections_r_test_DEPENDENCIES): Define.
2761 (many_sections_r_test_LDFLAGS): Define.
2762 (many_sections_r_test_LDADD): Define.
2763 (many_sections_r_test.o): New target.
2764 * testsuite/Makefile.in: Rebuild.
2766 2008-04-17 Cary Coutant <ccoutant@google.com>
2768 * errors.cc (Errors::info): New function.
2769 (gold_info): New function.
2770 * errors.h (Errors::info): New function.
2771 * gold.h (gold_info): New function.
2772 * object.cc (Input_objects::add_object): Print trace output.
2773 * options.cc (options::parse_set): New function.
2774 (General_options::parse_wrap): Deleted.
2775 (General_options::General_options): Deleted initializer.
2776 * options.h (options::String_set): New typedef.
2777 (options::parse_set): New function.
2778 (DEFINE_set): New macro.
2779 (General_options::wrap): Changed to use DEFINE_set. Changed
2780 callers of any_wrap_symbols and is_wrap_symbol.
2781 (General_options::trace, General_options::trace_symbol):
2783 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
2784 (General_options::wrap_symbols_): Deleted.
2785 * symtab.cc (Symbol_table::add_from_object): Print trace output.
2787 2008-04-17 David S. Miller <davem@davemloft.net>
2789 * options.cc (General_options::parse_V): New function.
2790 * options.h: Add entries for -V and -Qy.
2792 2008-04-17 Ian Lance Taylor <iant@google.com>
2794 * common.cc (Symbol_table::allocate_commons): Remove options
2795 parameter. Change caller.
2796 (Symbol_table::do_allocate_commons): Remove options parameter.
2797 Change caller. Just call do_allocate_commons_list twice.
2798 (Symbol_table::do_allocate_commons_list): New function, broken out
2799 of do_allocate_commons.
2800 * common.h (class Allocate_commons_task): Remove options_ field.
2802 * symtab.cc (Symbol_table::Symbol_table): Initialize
2804 (Symbol_table::add_from_object): Put TLS common symbols on
2806 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
2807 which are IN_OUTPUT_DATA.
2808 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
2809 allocate_commons and do_allocate_commons declarations. Declare
2810 do_allocate_commons_list.
2811 * gold.cc (queue_middle_tasks): Update creation of
2812 Allocate_commons_task to not pass options.
2813 * testsuite/Makefile.am (INCLUDES): Add -I.. .
2814 (TLS_TEST_C_FLAGS): New variable.
2815 (tls_test_c_pic.o): New target.
2816 (tls_test_shared.so): Link in tls_test_c_pic.o.
2817 (tls_test_c_pic_ie.o): New target.
2818 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
2819 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
2820 (tls_test_c.o): New target.
2821 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
2822 (tls_pic_test_LDADD): Likewise.
2823 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
2824 (tls_shared_gd_to_ie_test_LDADD): Likewise.
2825 (tls_test_c_gnu2.o): New target.
2826 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
2828 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
2829 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
2830 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
2831 * testsuite/tls_test.cc: Include "config.h".
2832 (t_last): Call t11_last.
2833 * testsuite/tls_test.h (t11, t11_last): Declare.
2834 * testsuite/tls_test_c.c: New file.
2835 * testsuite/tls_test_main.cc (thread_routine): Call t11.
2836 * configure.ac: Check for OpenMP support.
2837 * configure, config.in, Makefile.in: Rebuild.
2838 * testsuite/Makefile.in: Rebuild.
2840 2008-04-16 Cary Coutant <ccoutant@google.com>
2842 * i386.cc (Target_i386::define_tls_base_symbol): New function.
2843 (Target_i386::tls_base_symbol_defined_): New field.
2844 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2845 (Target_i386::Scan::global): Likewise.
2846 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
2847 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
2848 (Target_x86_64::tls_base_symbol_defined_): New field.
2849 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2850 (Target_x86_64::Scan::global): Likewise.
2852 2008-04-16 Cary Coutant <ccoutant@google.com>
2854 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
2855 (Symbol::needs_plt_entry): Allow weak undefined symbols.
2856 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
2857 building shared libraries.
2858 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
2859 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
2860 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
2861 * testsuite/Makefile.in: Rebuild.
2862 * testsuite/weak_undef.h: New file.
2863 * testsuite/weak_undef_file1.cc: Add extra test cases.
2864 * testsuite/weak_undef_file2.cc: Likewise.
2865 * testsuite/weak_undef_test.cc: Likewise.
2867 2008-04-16 David S. Miller <davem@davemloft.net>
2869 * sparc.cc (Target_sparc::Scan): Change from struct to class.
2870 Add issued_non_pic_error_ field. Declare check_non_pic.
2871 (Target_sparc::Scan::check_non_pic): New function.
2872 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
2873 (Target_sparc::Scan::global): Likewise.
2875 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
2876 * configure: Rebuild.
2878 * options.h (DEFINE_enable): New macro.
2879 (new_dtags): New enable option.
2880 (initfirst, interpose, loadfltr, nodefaultlib,
2881 nodelete, nodlopen, nodump): New -z options.
2882 * layout.cc (Layout:finish_dynamic_section): If new
2883 dtags enabled, emit DT_RUNPATH. Also, emit a
2884 DT_FLAGS_1 containing any specified -z flags.
2886 2008-04-16 Ian Lance Taylor <iant@google.com>
2888 * copy-relocs.cc: New file.
2889 * copy-relocs.h: New file.
2890 * reloc.cc: Remove Copy_relocs code.
2891 * reloc.h: Likewise.
2892 * reloc-types.h (struct Reloc_types) [both versions]: Add
2893 get_reloc_addend_noerror.
2894 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
2895 variants of add_global which take an addend which must be zero.
2896 * i386.cc: Include "copy-relocs.h".
2897 (class Target_i386): Change type of copy_relocs_ to variable,
2899 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
2901 (Target_i386::do_finalize_sections): Change handling of
2903 * sparc.cc: Include "copy-relocs.h".
2904 (class Target_sparc): Change type of copy_relocs_ to variable,
2906 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
2908 (Target_sparc::do_finalize_sections): Change handling of
2910 * x86_64.cc: Include "copy-relocs.h".
2911 (class Target_x86_64): Change type of copy_relocs_ to variable,
2913 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
2914 class. Change all callers.
2915 (Target_x86_64::do_finalize_sections): Change handling of
2917 * Makefile.am (CCFILES): Add copy-relocs.cc.
2918 (HFILES): Add copy-relocs.h.
2920 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
2922 * testsuite/script_test_4.sh: Permit leading zeroes.
2924 2008-04-15 Ian Lance Taylor <iant@google.com>
2926 * script-sections.cc (Script_sections::create_segments): Use
2927 header_size_adjustment even when there is enough room for the
2929 * testsuite/script_test_4.sh: New file.
2930 * testsuite/script_test_4.t: New file.
2931 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
2932 (check_DATA): Add script_test_4.stdout.
2933 (MOSTLYCLEANFILES): Likewise.
2934 (script_test_4): New target.
2935 (script_test_4.stdout): New target.
2936 * testsuite/Makefile.in: Rebuild.
2938 * sparc.cc: Add definitions for Output_data_plt_sparc class
2941 2008-04-14 David S. Miller <davem@davemloft.net>
2943 * sparc.cc: New file.
2944 * Makefile.am (TARGETSOURCES): Add sparc.cc
2945 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
2946 * configure.tgt: Document targ_extra_size and
2947 targ_extra_big_endian. Add entries for sparc-* and
2949 * configure.ac: Handle targ_extra_size and
2950 targ_extra_big_endian.
2951 * Makefile.in: Rebuild.
2952 * configure: Likewise.
2953 * po/POTFILES.in: Likewise.
2954 * po/gold.pot: Likewise.
2956 2008-04-14 Ian Lance Taylor <iant@google.com>
2958 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
2959 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
2960 in the name/type/flags to section mapping. Don't call
2961 allocate_output_section.
2962 (Layout::choose_output_section): Change parameter from adjust_name
2963 to is_input_section. Don't permit input sections after sections
2964 are attached to segments. Don't call allocate_output_section.
2965 (Layout::layout_eh_frame): Call update_flags_for_input_section,
2966 not write_enable_output_section.
2967 (Layout::make_output_section): Don't push to
2968 unattached_section_list_ nor call attach_to_segment. Call
2969 attach_section_to_segment if sections are attached.
2970 (Layout::attach_sections_to_segments): New function.
2971 (Layout::attach_section_to_segment): New function.
2972 (Layout::attach_allocated_section_to_segment): Rename from
2973 attach_to_segment. Remove flags parameter.
2974 (Layout::allocate_output_section): Remove function.
2975 (Layout::write_enable_output_section): Remove function.
2976 * layout.h (class Layout): Update for above changes. Add new
2977 field sections_are_attached_.
2978 * output.h (Output_section::update_flags_for_input_section): New
2980 * output.cc (Output_section::add_input_section): Call
2981 update_flags_for_input_section.
2982 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2984 2008-04-11 Cary Coutant <ccoutant@google.com>
2986 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
2987 thought unnecessary.
2988 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
2990 2008-04-11 Ian Lance Taylor <iant@google.com>
2992 * output.h (class Output_section_data): Remove inline definition
2994 * output.cc (Output_section_data::set_addralign): New function.
2996 2008-04-11 Cary Coutant <ccoutant@google.com>
2998 Add support for TLS descriptors for i386 and x86_64.
2999 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
3000 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
3001 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
3003 (Target_i386::got_mod_index_entry): Remove unnecessary code.
3004 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
3005 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
3007 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
3008 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
3009 Fix problem with initial-exec relocations.
3010 (Target_i386::Relocate::relocate_tls): Likewise.
3011 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
3013 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
3014 support for section-plus-offset dynamic table entries.
3015 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
3016 (Output_data_dynamic::Dynamic_entry): Add support for
3017 section-plus-offset dynamic table entries.
3018 (Output_data_dynamic::Classification): Likewise.
3019 (Output_data_dynamic::classification_): Renamed offset_.
3020 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
3021 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
3022 (Target_x86_64::make_plt_section): New function.
3023 (Target_x86_64::reserve_tlsdesc_entries): New function.
3024 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
3025 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
3026 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
3027 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
3028 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
3029 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
3030 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
3031 add extra PLT entry for TLS descriptors.
3032 (Output_data_plt_x86_64::got_): New field.
3033 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
3034 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
3036 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
3038 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
3039 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
3040 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
3041 R_386_TLS_DESC_CALL relocations.
3042 (Target_x86_64::Scan::global): Likewise.
3043 (Target_x86_64::do_finalize_sections): Add dynamic table entries
3044 for TLS descriptors.
3045 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
3046 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
3047 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
3048 GD-to-IE relaxation.
3049 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
3050 and TLS_DESCRIPTORS.
3051 * Makefile.in: Rebuild.
3052 * configure: Rebuild.
3053 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
3054 (tls_test_shared2.so): New target.
3055 (tls_shared_gd_to_ie_test_SOURCES): New variable.
3056 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
3057 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
3058 (tls_shared_gd_to_ie_test_LDADD): New variable.
3059 (tls_shared_gnu2_gd_to_ie_test): New target.
3060 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
3062 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
3063 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
3064 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
3065 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
3066 (tls_shared_gnu2_test): New target.
3067 (tls_test_gnu2_shared.so): New target.
3068 (tls_shared_gnu2_test_SOURCES): New variable.
3069 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
3070 (tls_shared_gnu2_test_LDFLAGS): New variable.
3071 (tls_shared_gnu2_test_LDADD): New variable.
3072 * testsuite/Makefile.in: Rebuild.
3073 * testsuite/Makefile.
3075 2008-04-11 Ian Lance Taylor <iant@google.com>
3077 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
3079 * testsuite/Makefile.in: Rebuild.
3081 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
3083 * testsuite/script_test_2.cc (main): Adjust test.
3085 2008-04-11 David S. Miller <davem@davemloft.net>
3086 Ian Lance Taylor <iant@google.com>
3088 * options.h (General_options): Add entries for '-Y' and
3090 * options.cc (General_options:finalize): If -Y was used, add those
3091 entries to the library path instead of the default "/lib" and
3094 2008-04-11 David S. Miller <davem@davemloft.net>
3096 * testsuite/justsyms.t: Start at 0x100.
3097 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
3098 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
3100 * testsuite/script_test_2.cc: Adjust string and section length
3103 2008-04-09 Ian Lance Taylor <iant@google.com>
3106 * script-sections.cc (Sections_element::allocate_to_segment): Add
3108 (Output_section_definition::allocate_to_segment): Likewise.
3109 (Orphan_output_section::allocate_to_segment): Likewise.
3110 (Script_sections::attach_sections_using_phdrs_clause): Don't
3111 propagate non-PT_LOAD segments to orphan sections.
3112 * testsuite/Makefile.am (script_test_3.stdout): Generate using
3113 readelf rather than objdump.
3114 * testsuite/script_test_3.sh: Adjust accordingly. Test that
3115 .interp section and PT_INTERP segment are the same size.
3116 * testsuite/Makefile.in: Rebuild.
3118 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
3119 aliases for symbols defined in the same object.
3120 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
3121 (weak_alias_test_SOURCES): New variable.
3122 (weak_alias_test_DEPENDENCIES): New variable.
3123 (weak_alias_test_LDFLAGS): New variable.
3124 (weak_alias_test_LDADD): New variable.
3125 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
3126 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
3127 (weak_alias_test_3.o): New target.
3128 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
3129 * testsuite/weak_alias_test_main.cc: New file.
3130 * testsuite/weak_alias_test_1.cc: New file.
3131 * testsuite/weak_alias_test_2.cc: New file.
3132 * testsuite/weak_alias_test_3.cc: New file.
3134 2008-04-08 Ian Lance Taylor <iant@google.com>
3136 * options.h (class General_options): Add --noinhibit-exec option.
3137 * main.cc (main): Check --noinhibit-exec.
3139 * options.h (class General_options): Define --wrap as a special
3140 option. Add wrap_symbols_ field.
3141 (General_options::any_wrap_symbols): New function.
3142 (General_options::is_wrap_symbol): New function.
3143 * options.cc (General_options::parse_wrap): New function.
3144 (General_options::General_options): Initialize wrap_symbols_.
3145 * symtab.cc (Symbol_table::wrap_symbol): New function.
3146 (Symbol_table::add_from_object): Handle --wrap.
3147 * symtab.h (class Symbol_table): Declare wrap_symbol.
3148 * target.h (Target::wrap_char): New function.
3149 (Target::Target_info): Add wrap_char field.
3150 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
3151 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3152 * testsuite/testfile.cc (Target_test::test_target_info):
3155 * errors.cc (Errors::undefined_symbol): Mention symbol version if
3158 * layout.h (class Layout): Add added_eh_frame_data_ field.
3159 * layout.cc (Layout::Layout): Initialize new field.
3160 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
3161 output section until we find a section we merged successfully.
3162 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
3163 that the size be non-zero.
3165 * merge.cc (Object_merge_map::get_output_offset): Remove inline
3168 2008-04-08 Craig Silverstein <csilvers@google.com>
3170 * configure.ac: Export new conditional variable HAVE_ZLIB.
3171 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
3173 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
3174 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3176 2008-04-07 Ian Lance Taylor <iant@google.com>
3178 * version.cc (version_string): Set to "1.5".
3180 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
3181 Add issued_non_pic_error_ field. Declare check_non_pic.
3182 (Target_x86_64::Scan::check_non_pic): New function.
3183 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
3184 (Target_x86_64::Scan::global): Likewise.
3186 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
3187 addend parameter. Change caller. Handle merge sections.
3188 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
3189 Address to Addend. Don't add in the result of
3190 local_section_offset, pass down the addend and use the returned
3192 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
3193 Update declarations of local_section_offset and symbol_value.
3194 * testsuite/two_file_test_1.cc (t18): New function.
3195 * testsuite/two_file_test_2.cc (f18): New function.
3196 * testsuite/two_file_test_main.cc (main): Call t18.
3197 * testsuite/two_file_test.h (t18, f18): Declare.
3199 * configure.ac: Don't test for objdump, c++filt, or readelf.
3200 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
3202 (TEST_READELF): New variable.
3203 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
3204 (check_PROGRAMS): Add two_file_strip_test.
3205 (two_file_strip_test): New target.
3206 (check_PROGRAMS): Add two_file_same_shared_strip_test.
3207 (two_file_same_shared_strip_test_SOURCES): New variable.
3208 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
3209 (two_file_same_shared_strip_test_LDFLAGS): New variable.
3210 (two_file_same_shared_strip_test_LDADD): New variable.
3211 (two_file_shared_strip.so): New target.
3212 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
3213 (ver_test_5.syms, ver_test_7.syms): Likewise.
3214 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
3215 (strip_test_3.stdout): Use TEST_OBJDUMP.
3216 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3218 2008-04-04 Cary Coutant <ccoutant@google.com>
3220 * symtab.h (Symbol::is_weak_undefined): New function.
3221 (Symbol::is_strong_undefined): New function.
3222 (Symbol::is_absolute): New function.
3223 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
3224 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
3226 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
3227 (weak_undef_test): New target.
3228 * testsuite/Makefile.in: Rebuild.
3229 * testsuite/weak_undef_file1.cc: New file.
3230 * testsuite/weak_undef_file2.cc: New file.
3231 * testsuite/weak_undef_test.cc: New file.
3233 2008-04-03 Craig Silverstein <csilvers@google.com>
3235 * compressed_output.h (class Output_compressed_section): Use
3237 * compressed_output.cc (zlib_compress): Use unsigned buffers,
3239 (zlib_compressed_suffix): Removed.
3240 (Output_compressed_section::set_final_data_size): Use unsigned
3242 * testsuite/Makefile.am (flagstest_compress_debug_sections):
3243 Fix linker invocation.
3244 (flagstest_o_specialfile_and_compress_debug_sections):
3246 * testsuite/Makefile.in: Regenerated.
3248 2008-04-02 David S. Miller <davem@davemloft.net>
3250 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
3251 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
3253 2008-04-02 Craig Silverstein <csilvers@google.com>
3257 2008-04-02 Ian Lance Taylor <iant@google.com>
3259 * fileread.cc (File_read::find_view): Add byteshift and vshifted
3260 parameters. Update for new key type to views_. Change all
3262 (File_read::read): Adjust for byteshift in returned view.
3263 (File_read::add_view): New function, broken out of
3265 (File_read::make_view): New function, broken out of
3267 (File_read::find_or_make_view): Add offset and aligned
3268 parameters. Rewrite accordingly. Change all callers.
3269 (File_read::get_view): Add offset and aligned parameters. Adjust
3270 for byteshift in return value.
3271 (File_read::get_lasting_view): Likewise.
3272 * fileread.h (class File_read): Update declarations.
3273 (class File_read::View): Add byteshift_ field. Add byteshift to
3274 constructor. Add byteshift method.
3275 * archive.h (Archive::clear_uncached_views): New function.
3276 (Archive::get_view): Add aligned parameter. Change all callers.
3277 * object.h (Object::get_view): Add aligned parameter. Change all
3279 (Object::get_lasting_view): Likewise.
3281 * fileread.cc (File_read::release): Don't call clear_views if
3282 there are multiple objects.
3283 * fileread.h (File_read::clear_uncached_views): New function.
3284 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
3287 2008-03-31 Cary Coutant <ccoutant@google.com>
3289 Add thin archive support.
3290 * archive.cc (Archive::armagt): New const.
3291 (Archive::setup): Remove task parameter and calls to unlock.
3292 (Archive::unlock_nested_archives): New function.
3293 (Archive::read_header): Add nested_off parameter. Change
3295 (Archive::interpret_header): Likewise.
3296 (Archive::include_all_members): Change to handle thin
3298 (Archive::include_member): Likewise.
3299 * archive.h (Archive::Archive): Add new parameters and
3301 (Archive::armagt): New const.
3302 (Archive::setup): Remove task parameter.
3303 (Archive::unlock_nested_archives): New function.
3304 (Archive::read_header): Add nested_off parameter.
3305 (Archive::interpret_header): Likewise.
3306 (Archive::Nested_archive_table): New typedef.
3307 (Archive::is_thin_archive_): New field.
3308 (Archive::nested_archives_): New field.
3309 (Archive::options_): New field.
3310 (Archive::dirpath_): New field.
3311 (Archive::task_): New field.
3312 * readsyms.cc (Read_symbols::do_read_symbols): Add check
3313 for thin archives. Pass additional parameters to
3314 Archive::Archive. Unlock the archive file after calling
3317 2008-03-29 Ian Lance Taylor <iant@google.com>
3319 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
3320 version symbol to be local.
3321 * testsuite/ver_test_4.sh: New file.
3322 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
3323 (check_DATA): Add ver_test_4.syms.
3324 (ver_test_4.syms): New target.
3325 * testsuite/Makefile.in: Rebuild.
3328 (Output_section::Input_section_sort_entry::has_priority): New
3330 (Output_section::Input_section_sort_entry::match_file_name): New
3332 (Output_section::Input_section_sort_entry::match_section_name):
3334 (Output_section::Input_section_sort_entry::match_section_name_prefix):
3336 (Output_section::Input_section_sort_entry::match_section_file):
3338 (Output_section::Input_section_sort_compare::operator()): Rewrite
3339 using new Input_section_sort_entry functions. Sort crtbegin and
3340 crtend first. Sort sections with no priority before sections with
3342 * testsuite/initpri1.c (d3): Check j != 4.
3343 (cd5): New constructor/destructor function.
3344 (main): Check j != 2.
3346 * symtab.cc (Symbol_table::add_from_object): If we don't use the
3347 new symbol when resolving, don't call set_is_default.
3348 * testsuite/ver_test_7.cc: New file.
3349 * testsuite/ver_test_7.sh: New file.
3350 * testsuite/Makefile.am (ver_test_7.so): New target.
3351 (ver_test_7.o): New target.
3352 (check_SCRIPTS): Add ver_test_7.sh.
3353 (check_DATA): Add ver_test_7.syms.
3354 (ver_test_7.syms): New target.
3356 2008-03-28 Ian Lance Taylor <iant@google.com>
3358 * layout.cc (Layout::layout): If we see an input section with a
3359 name that needs sorting, set the must_sort flag for the output
3361 (Layout::make_output_section): If the name of the output section
3362 indicates that it might require sorting, set the may_sort flag.
3363 * output.h (Output_section::may_sort_attached_input_sections): New
3365 (Output_section::set_may_sort_attached_input_sections): New
3367 (Output_section::must_sort_attached_input_sections): New
3369 (Output_section::set_must_sort_attached_input_sections): New
3371 (class Output_section): Declare Input_section_sort_entry. Define
3372 Input_section_sort_compare. Declare
3373 sort_attached_input_sections. Add new fields:
3374 may_sort_attached_input_sections_,
3375 must_sort_attached_input_sections_,
3376 attached_input_sections_are_sorted_.
3377 * output.cc (Output_section::Output_section): Initialize new
3379 (Output_section::add_input_section): Add an entry to
3380 input_sections_ if may_sort or must_sort are true.
3381 (Output_section::set_final_data_size): Call
3382 sort_attached_input_sections if necessary.
3383 (Output_section::Input_section_sort_entry): Define new class.
3384 (Output_section::Input_section_sort_compare::operator()): New
3386 (Output_section::sort_attached_input_sections): New function.
3387 * configure.ac: Check whether the compiler supports constructor
3388 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
3389 * testsuite/initpri1.c: New file.
3390 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
3391 CONSTRUCTOR_PRIORITY.
3392 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
3393 (initpri1_LDFLAGS): New variable.
3394 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3396 2008-03-27 Ian Lance Taylor <iant@google.com>
3398 * common.cc (Sort_commons::operator): Correct sorting algorithm.
3399 * testsuite/common_test_1.c: New file.
3400 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
3401 (common_test_1_SOURCES): New variable.
3402 (common_test_1_DEPENDENCIES): New variable.
3403 (common_test_1_LDFLAGS): New variable.
3405 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
3406 and commons_ correctly when NAME/VERSION does not override
3408 * testsuite/ver_test_6.c: New file.
3409 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
3410 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
3411 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
3413 2008-03-26 Ian Lance Taylor <iant@google.com>
3415 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
3416 of an undefined symbol from a version script.
3417 * testsuite/Makefile.am (ver_test_5.so): New target.
3418 (ver_test_5.o): New target.
3419 (check_SCRIPTS): Add ver_test_5.sh.
3420 (check_DATA): Add ver_test_5.syms.
3421 (ver_test_5.syms): New target.
3422 * testsuite/ver_test_5.cc: New file.
3423 * testsuite/ver_test_5.script: New file.
3424 * testsuite/ver_test_5.sh: New file.
3425 * Makefile.in, testsuite/Makefile.in: Rebuild.
3428 Fix problems building gold with gcc 4.3.0.
3429 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
3430 (gold_error_at_location, gold_warning_at_location): Use it.
3431 * configure.ac: Check whether we can compile and use a template
3432 function with a printf attribute.
3433 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
3434 when jumping over bytes.
3435 * object.cc: Instantiate Object::read_section_data.
3436 * debug.h: Include <cstring>
3437 * dwarf_reader.cc: Include <algorithm>
3438 * main.cc: Include <cstring>.
3439 * options.cc: Include <cstring>.
3440 * output.cc: Include <cstring>.
3441 * script.cc: Include <cstring>.
3442 * script.h: Include <string>.
3443 * symtab.cc: Include <cstring> and <algorithm>.
3444 * target-select.cc: Include <cstring>.
3445 * version.cc: Include <string>.
3446 * testsuite/testmain.cc: Include <cstdlib>.
3447 * configure, config.in: Rebuild.
3449 2008-03-25 Ian Lance Taylor <iant@google.com>
3451 * options.cc: Include "../bfd/bfdver.h".
3452 (options::help): Print bug reporting address.
3454 * version.cc (print_version): Adjust output for current value of
3459 * options.cc (options::help): Print list of supported targets.
3460 * target-select.h: Include <vector>.
3461 (class Target_selector): Make machine_, size_, and is_big_endian_
3462 fields const. Add bfd_name_ and instantiated_target_ fields.
3463 (Target_selector::Target_selector): Add bfd_name parameter.
3464 (Target_selector::recognize): Make non-virtual, call
3466 (Target_selector::recognize_by_name): Make non-virtual, call
3467 do_recognize_by_name.
3468 (Target_selector::supported_names): New function.
3469 (Target_selector::bfd_name): New function.
3470 (Target_selector::do_instantiate_target): New pure virtual
3472 (Target_selector::do_recognize): New virtual function.
3473 (Target_selector::do_recognize_by_name): New virtual function.
3474 (Target_selector::instantiate_target): New private function.
3475 (supported_target_names): Declare.
3476 * target-select.cc (Target_selector::Target_selector): Update for
3477 new parameter and fields.
3478 (select_target_by_name): Check that the name matches before
3479 calling recognize_by_name.
3480 (supported_target_names): New function.
3481 * i386.cc (class Target_selector_i386): Update Target_selector
3482 constructor call. Remove recognize and recognize_by_name. Add
3483 do_instantiate_target.
3484 * x86_64.cc (class Target_selector_x86_64): Likewise.
3485 * testsuite/testfile.cc (class Target_selector_test): Update for
3486 changes to Target_selector.
3488 * README: Rewrite, with some notes on unsupported features.
3490 2008-03-24 Cary Coutant <ccoutant@google.com>
3492 * i386.cc (Target_i386::Got_type): New enum declaration.
3493 (Target_i386::Scan::local): Updated callers of Output_data_got
3495 (Target_i386::Scan::global): Likewise.
3496 (Target_i386::Relocate::relocate): Likewise.
3497 (Target_i386::Relocate::relocate_tls): Likewise.
3498 * object.h (Got_offset_list): New class.
3499 (Sized_relobj::local_has_got_offset): Added got_type parameter.
3500 (Sized_relobj::local_got_offset): Likewise.
3501 (Sized_relobj::set_local_got_offset): Likewise.
3502 (Sized_relobj::local_has_tls_got_offset): Removed.
3503 (Sized_relobj::local_tls_got_offset): Removed.
3504 (Sized_relobj::set_local_tls_got_offset): Removed.
3505 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
3506 * output.cc (Output_data_got::add_global): Added got_type parameter.
3507 (Output_data_got::add_global_with_rel): Likewise.
3508 (Output_data_got::add_global_with_rela): Likewise.
3509 (Output_data_got::add_global_pair_with_rel): New function.
3510 (Output_data_got::add_global_pair_with_rela): New function.
3511 (Output_data_got::add_local): Added got_type parameter.
3512 (Output_data_got::add_local_with_rel): Likewise.
3513 (Output_data_got::add_local_with_rela): Likewise.
3514 (Output_data_got::add_local_pair_with_rel): New function.
3515 (Output_data_got::add_local_pair_with_rela): New function.
3516 (Output_data_got::add_global_tls): Removed.
3517 (Output_data_got::add_global_tls_with_rel): Removed.
3518 (Output_data_got::add_global_tls_with_rela): Removed.
3519 (Output_data_got::add_local_tls): Removed.
3520 (Output_data_got::add_local_tls_with_rel): Removed.
3521 (Output_data_got::add_local_tls_with_rela): Removed.
3522 * output.h (Output_data_got::add_global): Added got_type parameter.
3523 (Output_data_got::add_global_with_rel): Likewise.
3524 (Output_data_got::add_global_with_rela): Likewise.
3525 (Output_data_got::add_global_pair_with_rel): New function.
3526 (Output_data_got::add_global_pair_with_rela): New function.
3527 (Output_data_got::add_local): Added got_type parameter.
3528 (Output_data_got::add_local_with_rel): Likewise.
3529 (Output_data_got::add_local_with_rela): Likewise.
3530 (Output_data_got::add_local_pair_with_rel): New function.
3531 (Output_data_got::add_local_pair_with_rela): New function.
3532 (Output_data_got::add_global_tls): Removed.
3533 (Output_data_got::add_global_tls_with_rel): Removed.
3534 (Output_data_got::add_global_tls_with_rela): Removed.
3535 (Output_data_got::add_local_tls): Removed.
3536 (Output_data_got::add_local_tls_with_rel): Removed.
3537 (Output_data_got::add_local_tls_with_rela): Removed.
3538 * resolve.cc (Symbol::override_base_with_special): Removed
3539 reference to has_got_offset_ field.
3540 * symtab.cc (Symbol::init_fields): Replaced initialization
3541 of got_offset_ with got_offsets_. Removed initialization
3543 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
3544 (Symbol::got_offset): Likewise.
3545 (Symbol::set_got_offset): Likewise.
3546 (Symbol::has_tls_got_offset): Removed.
3547 (Symbol::tls_got_offset): Removed.
3548 (Symbol::set_tls_got_offset): Removed.
3549 (Symbol::got_offset_): Removed.
3550 (Symbol::tls_mod_got_offset_): Removed.
3551 (Symbol::tls_pair_got_offset_): Removed.
3552 (Symbol::got_offsets_): New field.
3553 (Symbol::has_got_offset): Removed.
3554 (Symbol::has_tls_mod_got_offset): Removed.
3555 (Symbol::has_tls_pair_got_offset): Removed.
3556 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
3557 (Target_x86_64::Scan::local): Updated callers of Output_data_got
3559 (Target_x86_64::Scan::global): Likewise.
3560 (Target_x86_64::Relocate::relocate): Likewise.
3561 (Target_x86_64::Relocate::relocate_tls): Likewise.
3563 2008-03-25 Ben Elliston <bje@au.ibm.com>
3565 * yyscript.y: Fix spelling error in comment.
3567 2008-03-24 Ian Lance Taylor <iant@google.com>
3569 * options.h (class General_options): Define build_id option.
3570 * layout.h (class Layout): Declare write_build_id, create_note,
3571 create_build_id. Add build_id_note_ member.
3572 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
3573 "libiberty.h", "md5.h", "sha1.h".
3574 (Layout::Layout): Initialize eh_frame_data_,
3575 eh_frame_hdr_section_, and build_id_note_.
3576 (Layout::finalize): Call create_build_id.
3577 (Layout::create_note): New function, broken out of
3578 Layout::create_gold_note.
3579 (Layout::create_gold_note): Call create_note.
3580 (Layout::create_build_id): New function.
3581 (Layout::write_build_id): New function.
3582 (Close_task_runner::run): Call write_build_id.
3584 * x86_64.cc: Correct license to GPLv3.
3586 2008-03-23 Ian Lance Taylor <iant@google.com>
3588 * options.cc: Include "demangle.h".
3589 (parse_optional_string): New function.
3590 (parse_long_option): Handle takes_optional_argument.
3591 (parse_short_option): Update dash_z initializer. Handle
3592 takes_optional_argument.
3593 (General_options::General_options): Initialize do_demangle_.
3594 (General_options::finalize): Set do_demangle_. Handle demangling
3596 * options.h (parse_optional_string): Declare.
3597 (struct One_option): Add optional_arg field. Update constructor.
3598 Update call constructor calls. Add takes_optional_argument
3600 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
3601 (DEFINE_optional_string): Define.
3602 (General_options::demangle): Change from DEFINE_bool to
3603 DEFINE_optional_string.
3604 (General_options::no_demangle): New function.
3605 (General_options::do_demangle): New function.
3606 (General_options::set_do_demangle): New function.
3607 (General_options::execstack_status_): Move definition to end of
3609 (General_options::static_): Likewise.
3610 (General_options::do_demangle_): New field.
3611 * object.cc (big_endian>::get_symbol_location_info): Call
3612 Options::do_demangle, not Options::demangle.
3613 * symtab.cc (demangle): Likewise.
3615 2008-03-22 Ian Lance Taylor <iant@google.com>
3617 * gold.h: Include <cstddef> and <sys/types.h>
3618 * options.h: Include <cstring>.
3620 2008-03-21 Ian Lance Taylor <iant@google.com>
3622 * Added source code to GNU binutils.