1 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
3 * fileread.cc (File_read::get_mtime): New method.
4 * fileread.h (Timespec): New structure.
5 (File_read::get_mtime): New method.
6 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7 Renamed from timestamp_nsec.
8 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
12 (Incremental_inputs::report_archive): Save mtime; style fix.
13 (Incremental_inputs::report_obejct): Save mtime; style fix.
14 (Incremental_inputs::report_script): Save mtime; style fix.
15 (Incremental_inputs::finalize_inputs): Style fix.
16 (Incremental_inputs::finalize): Style fix.
17 (Incremental_inputs::create_input_section_data): Store inputs
19 * incremental.h (Incremental_inputs::report_script): Add mtime
21 (Incremental_inputs::Input_info::Input_info): Intialize only one
23 (Incremental_inputs::Input_info::archive): Move to nameless
25 (Incremental_inputs::Input_info::obejct): Move to nameless union.
26 (Incremental_inputs::Input_info::script): Move to nameless union.
27 (Incremental_inputs::mtime): New field.
28 * script.cc (read_input_script): Pass file mtime to
30 * script.h (Script_info::inputs): Style fix.
32 2009-07-01 Ian Lance Taylor <ian@airs.com>
34 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
37 2009-06-24 Ian Lance Taylor <iant@google.com>
40 * layout.cc (Layout::choose_output_section): If we find an
41 existing section, update the flags.
42 (Layout::create_notes): New function, broken out of
44 (Layout::finalize): Don't create note sections.
45 (Layout::create_note): Don't crash if linker script discards
47 (Layout::create_gold_note): Likewise.
48 (Layout::create_build_id): Likewise. Don't set
49 after_input_sections on the section.
50 (Layout::create_executable_stack_info): Remove target parameter.
52 * layout.h (class Layout): Declare create_notes. Update
53 declaration of create_executable_stack_info.
54 * gold.cc (queue_middle_tasks): Call create_notes.
55 * output.cc (Output_section::update_flags_for_input_section): Move
56 here from output.h. If SHF_ALLOC flag is newly set, mark address
58 * output.h (Output_data::mark_address_invalid): New function.
59 (class Output_section): Only declare, not define,
60 update_flags_for_input_section. Remove set_flags.
62 2009-06-24 Ian Lance Taylor <iant@google.com>
64 * script-sections.cc (Output_section_definition::
65 set_section_addresses): Rename shadowing local load_address to
68 2009-06-24 Ian Lance Taylor <iant@google.com>
71 * reloc.cc (relocate_sections): Skip empty relocation sections.
73 2009-06-23 Ian Lance Taylor <iant@google.com>
76 * layout.cc (Layout::create_note): Use choose_output_section
77 rather than make_output_section.
79 2009-06-23 Ian Lance Taylor <iant@google.com>
82 * options.cc (General_options::parse_V): Set printed_version_.
83 (General_options::General_options): Initialize printed_version_.
84 * options.h (class General_options): Add printed_version_ field.
85 * gold.cc (queue_initial_tasks): If there are no input files,
86 don't give a fatal error if we printed the version information.
87 (queue_middle_tasks): If using -r with a shared object, give a
88 fatal error rather than an ordinary error.
90 2009-06-23 Ian Lance Taylor <iant@google.com>
93 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
94 (Layout::make_output_section): Set have_stabstr_section_ if we see
96 (Layout::finalize): Call link_stabs_sections.
97 (Layout::link_stabs_sections): New file.
98 * layout.h (class Layout): Add have_stabstr_section_ field.
99 Declare link_stabs_sections.
101 2009-06-23 Doug Kwan <dougkwan@google.com>
103 * Makefile.am (libgold_a_LIBADD): New.
104 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
105 * Makefile.in: Regenerate.
106 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
107 * configure: Regenerate.
108 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
109 * fileread.cc: Include sys/state.h
110 * gold.h: Declare memmem and strndup if found missing.
111 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
113 2009-06-23 Ian Lance Taylor <iant@google.com>
115 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
116 * configure: Rebuild.
118 2009-06-23 Ian Lance Taylor <iant@google.com>
121 * object.cc (Object::section_contents): Don't try to get a view if
122 the section has length zero.
123 (Object::handle_gnu_warning_section): If the section is empty, use
124 the name of the section as the warning.
126 2009-06-23 Ian Lance Taylor <iant@google.com>
129 * stringpool.h (class Stringpool_template): Add optimize_ field.
130 (Stringpool_template::set_optimize): New function.
131 * stringpool.cc (Stringpool_template::Stringpool_template):
132 Initialize optimize_ field.
133 (Stringpool_template::set_string_offsets): Test local optimize
134 fild rather than parameter.
135 * layout.cc (Layout::Layout): Call set_optimize on the section
138 2009-06-22 Ian Lance Taylor <iant@google.com>
141 * yyscript.y: Parse TARGET.
142 * script.cc (script_set_target): New function.
143 * script-c.h (script_set_target): Declare.
144 * options.cc (General_options::string_to_object_format): Rename
145 from string_to_object_format in anonymous namespace. Change
147 * options.h (class General_options): Declare
148 string_to_object_format.
150 2009-06-22 Ian Lance Taylor <iant@google.com>
152 * script-sections.cc (Script_sections::create_segments): Don't put
153 program headers in a PT_LOAD segment if -n or -N.
155 2009-06-22 Ian Lance Taylor <iant@google.com>
158 * options.h (class General_options): Add -z lazy and -z now. Sort
159 -z options into alphabetical order.
160 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
162 2009-06-21 Ian Lance Taylor <iant@google.com>
164 * layout.cc (Layout::make_output_section): Call
165 Target::new_output_section.
166 (Layout::attach_allocated_section_to_segment): Put large section
167 sections in a separate load segment with the large segment flag
169 (Layout::segment_precedes): Sort large data segments after other
171 (align_file_offset): New static function.
172 (Layout::set_segment_offsets): Use align_file_offset.
173 * output.h (class Output_section): Add is_small_section_ and
174 is_large_section_ fields.
175 (Output_section::is_small_section): New function.
176 (Output_section::set_is_small_section): New function.
177 (Output_section::is_large_section): New function.
178 (Output_section::set_is_large_section): New function.
179 (Output_section::is_large_data_section): New function.
180 (class Output_segment): Add is_large_data_segment_ field.
181 (Output_segment::is_large_data_segment): New function.
182 (Output_segment::set_is_large_data_segment): New function.
183 * output.cc (Output_section::Output_section): Initialize new
185 (Output_segment::Output_segment): Likewise.
186 (Output_segment::add_output_section): Add assertion that large
187 data sections always go in large data segments. Force small data
188 sections to the end of the list of data sections. Force small BSS
189 sections to the start of the list of BSS sections. For large BSS
190 sections to the end of the list of BSS sections.
191 * symtab.h (class Symbol): Declare is_common_shndx.
192 (Symbol::is_defined): Check Symbol::is_common_shndx.
193 (Symbol::is_common): Likewise.
194 (class Symbol_table): Define enum Commons_section_type. Update
195 declarations. Add small_commons_ and large_commons_ fields.
196 * symtab.cc (Symbol::is_common_shndx): New function.
197 (Symbol_table::Symbol_table): Initialize new fields.
198 (Symbol_table::add_from_object): Put small and large common
199 symbols in the right list.
200 (Symbol_table::sized_finalized_symbol): Check
201 Symbol::is_common_shndx.
202 (Symbol_table::sized_write_globals): Likewise.
203 * common.cc (Symbol_table::do_allocate_commons): Allocate new
204 common symbol lists. Don't call do_allocate_commons_list if the
206 (Symbol_table::do_allocate_commons_list): Remove is_tls
207 parameter. Add comons_section_type parameter. Change all
208 callers. Handle small and large common symbols.
209 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
210 Symbol::is_common_shndx.
211 * resolve.cc (symbol_to_bits): Likewise.
212 * target.h (Target::small_common_shndx): New function.
213 (Target::small_common_section_flags): New function.
214 (Target::large_common_shndx): New function.
215 (Target::large_common_section_flags): New function.
216 (Target::new_output_section): New function.
217 (Target::Target_info): Add small_common_shndx, large_common_shndx,
218 small_common_section_flags, and large_common_section_flags
220 (Target::do_new_output_section): New virtual function.
221 * arm.cc (Target_arm::arm_info): Initialize new fields.
222 * i386.cc (Target_i386::i386_info): Likewise.
223 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
225 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
226 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
227 (Target_x86_64::do_new_output_section): New function.
228 * configure.ac: Define conditional MCMODEL_MEDIUM.
229 * testsuite/Makefile.am (check_PROGRAMS): Add large.
230 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
231 (large_LDFLAGS): Define.
232 * testsuite/large.c: New file.
233 * testsuite/testfile.cc (Target_test::test_target_info):
234 Initialize new fields.
235 * configure, testsuite/Makefile.in: Rebuild.
237 2009-06-05 Doug Kwan <dougkwan@google.com>
239 * Makefile.am (CCFILES): Add target.cc.
240 * Makefile.in: Regenerate.
241 * i386.cc (class Target_i386): Define new virtual method to
242 override do_is_local_label_name in parent.
243 * object.cc (Sized_relobj::do_count_local_symbols): Discard
244 local symbols if --discard-locals or -X is given.
245 * options.h (class General_options): Declare new options
246 '--discard-locals' and '-X' for discarding locals.
247 * target.h (class Target): Define new methods is_local_label_name.
248 Declare new virtual method do_is_local_label_name.
249 * target.cc: New file.
250 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
251 (check_SCRIPTS): Add discard_locals_test.sh.
252 (check_DATA): Add discard_local_tests.syms.
253 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
254 (discard_local_tests.syms, discard_locals_test.o): New make rules.
255 * testsuite/Makefile.in: Regenerate.
256 * testsuite/discard_locals_test.c: New file.
257 * testsuite/discard_locals_test.sh: Same.
259 2009-06-05 Doug Kwan <dougkwan@google.com>
261 * object.cc (Sized_relobj::Sized_relobj): Initialize
262 discarded_eh_frame_shndx_ to -1U.
263 (Sized_relobj::do_layout): Record index of a discard .eh_frame
265 (Sized_relobj::do_count_local_symbols): Skip local symbols in
266 a discarded .eh_frame section.
267 (Sized_relobj::do_finalize_local_symbols): Ditto.
268 * object.h (class Sized_relobj): Declare new member
269 discarded_eh_frame_shndx_.
270 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
271 (local_labels_test.o, local_labels_test): New rules.
272 * testsuite/Makefile.in: Regenerate.
274 2009-06-04 Doug Kwan <dougkwan@google.com>
276 * layout.cc (Layout::section_name_mapping): Add mapping for
277 special ARM sections.
279 2009-06-03 Doug Kwan <dougkwan@google.com>
281 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
282 (utils::has_overflow): Same.
284 2009-06-03 Ian Lance Taylor <iant@google.com>
286 * layout.cc (Layout::section_name_mapping): New array, replacing
287 Layout::linkonce_mapping.
288 (Layout::section_name_mapping_count): New variable, replacing
289 Layout::linkonce_mapping_count.
290 (Layout::linkonce_output_name): Remove.
291 (Layout::output_section_name): Rewrite.
292 * layout.h (class Layout): Rename Linkonce_mapping to
293 Section_name_mapping, linkonce_mapping to section_name_mapping,
294 linkonce_mapping_count to section_name_mapping_count. Don't
295 declare linkonce_output_name.
297 2009-06-03 Doug Kwan <dougkwan@google.com>
299 * gold/arm.cc (namespace utils): New.
300 (Target_arm::reloc_is_non_pic): Define new method.
301 (class Arm_relocate_functions): New.
302 (Target_arm::Relocate::relocate): Handle relocation types used by
305 2009-06-03 Ian Lance Taylor <iant@google.com>
307 * arm.cc (Target_arm::scan::global): Use || instead of |.
309 2009-06-02 Doug Kwan <dougkwan@google.com>
311 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
312 issued_non_pic_error_.
313 (class Target_arm::Scan): Declare new method check_non_pic.
314 Define new method symbol_needs_plt_entry.
315 Declare new data member issued_non_pic_error_.
316 (class Target_arm::Relocate): Declare new method
317 should_apply_static_reloc.
318 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
319 (Target_arm::Scan::check_non_pic): Define new method.
320 (Target_arm::Scan::local): Handle a small subset of reloc types used
322 (Target_arm::Scan::local): Same.
323 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
325 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
327 * incremental.cc (Incremental_inputs::report_command_line): Filter
328 out --incremental-* options.
330 2009-05-29 Doug Kwan <dougkwan@google.com>
332 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
334 (class Target_arm): Update comment.
335 (Target_arm::Target_arm): Initialize new data members GOT_,
336 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
337 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
338 and Target_arm::rel_dyn_section.
339 Declare new_enum Target_arm::Got_type.
340 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
342 Update commments for member do_dynsym_value.
343 (Target_arm::got_size, Target_arm::plt_section,
344 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
345 new methods inside class defintion.
346 (Target_arm::got_section): Define new method.
347 (Target_arm::rel_dyn_section): Same.
348 (Output_data_plt_arm): New template class.
349 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
350 (Output_data_plt_arm:do_adjust_output_section): Define new method.
351 (Output_data_plt_arm::add_entry): Same.
352 (Output_data_plt_arm::first_plt_entry): Define new
353 static data member for PLT instruction template.
354 (Output_data_plt_arm::plt_entry): Same.
355 (Output_data_plt_arm::do_write): Define new method.
356 (Target_arm::make_plt_entry): Same.
357 (Target_arm::do_finalize_sections): Same.
358 (Target_arm::do_dynsym_value): Same.
360 2009-05-28 Doug Kwan <dougkwan@google.com>
362 * Makefile.am (TARGETSOURCES): Add arm.cc.
363 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
364 * Makefile.in: Regenerate.
366 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
368 2009-05-26 Doug Kwan <dougkwan@google.com>
370 * options.cc (General_options::parse_exclude_libs). Fix a comment.
371 (General_options::check_excluded_libs): Strip off directories in
372 archive name before matching like GNU ld does.
373 * testsuite/Makefile.am (MOSTLYCLEANFILES,
374 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
375 (exclude_libs_test_LDFLAGS): Add linker option
376 -Wl,--exclude-libs,libexclude_libs_test_3
377 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
378 an explicit archive without using -l.
379 (alt/libexclude_libs_test_3.a): New make rule.
380 * testsuite/Makefile.in: Regenerate.
381 * testsuite/exclude_libs_test.c : Declare lib3_default().
383 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
384 * exclude_libs_test_3.c: New file.
386 2009-05-26 Nick Clifton <nickc@redhat.com>
388 * po/id.po: New Indonesian translation.
389 * po/gold.pot: Updated template file.
391 2009-05-22 Sriraman Tallam <tmsriram@google.com>
393 * testsuite/Makefile.am: Add -ffunction-sections to compile
394 gc_comdat_test files. Add -Wl,--gc-sections to build
396 * testsuite/Makefile.in: Regenerate.
397 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
399 2009-05-21 Sriraman Tallam <tmsriram@google.com>
401 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
402 kept comdat section was garbage collected.
403 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
404 * testsuite/Makefile.in: Regenerate.
405 * testsuite/gc_comdat_test.sh: New file.
406 * testsuite/gc_comdat_test_1.cc: New file.
407 * testsuite/gc_comdat_test_2.cc: New file.
409 2009-05-19 Doug Kwan <dougkwan@google.com>
411 * archive.cc (Archive::Archive): Move constructor from archive.h
412 to here. Initialize no_export_.
413 (Archive::get_elf_object_for_member): Set no_export flag of object.
414 * archive.h (Archive::Archive): Move constructor body to
416 (Archive::no_export): New method.
417 (Archive::no_export_): New field.
418 * object.h (Object::Object): Initialize no_export_ to false.
419 (Object::no_export, Object::set_no_export): New methods.
420 (Object::no_export_): New field.
421 * options.cc (General_options::parse_exclude_libs): New method.
422 (General_options::check_excluded_libs) Same.
423 * options.h (exclude_libs): New option.
424 (General_options::check_excluded_libs): New method declaration.
425 (General_options::excluded_libs_): New field.
426 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
427 default or protected visibility if an object has no-export flag set.
428 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
429 (check_SCRIPTS): Add exclude_libs_test.sh.
430 (check_DATA): Add exclude_libs_test.syms.
431 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
432 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
433 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
434 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
435 (exclude_libs_test.syms, libexclude_libs_test_1.a,
436 libexclude_libs_test_2.a): New rules.
437 * testsuite/Makefile.in: Regenerate.
438 * testsuite/exclude_libs_test.c: New file.
439 * testsuite/exclude_libs_test.sh: Ditto.
440 * testsuite/exclude_libs_test_1.c: Ditto.
441 * testsuite/exclude_libs_test_2.c: Ditto.
443 2009-05-15 Ian Lance Taylor <iant@google.com>
445 * configure.ac: Check for declarations for cases where libiberty.h
446 checks HAVE_DECL_xxx.
447 * configure, config.in: Rebuild.
449 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
451 * gold.h (Incremental_argument_list): Remove (invalid) forward
453 * incremental.cc (Incremental_inputs::report_achive): New method.
454 (Incremental_inputs::report_object): New method.
455 (Incremental_inputs::report_script): New method.
456 (Incremental_inputs::finalize_inputs): New method.
457 (Incremental_inputs::finalize): Call finalize_inputs().
458 (Incremental_inputs::sized_create_incremental_inputs_section_data):
459 Create inputs entries.
460 * incremental.h (Incremental_input_type): New enum.
461 (Incremental_inputs::Incremental_input): Initialize new fields.
462 (Incremental_inputs::report_inputs): New method.
463 (Incremental_inputs::report_achive): New method.
464 (Incremental_inputs::report_object): New method.
465 (Incremental_inputs::report_script): New method.
466 (Incremental_inputs::finalize_inputs): New method.
467 (Incremental_inputs::Input_info): New struct.
468 (Incremental_inputs::Input_info_map): New typedef.
469 (Incremental_inputs::lock_): New field.
470 (Incremental_inputs::Inputs_): New field.
471 (Incremental_inputs::Inputs_map): New field.
472 * main.cc (main): Call Incremental_input::report_inputs.
473 * options.h (Input_argument_list): Typedef moved from
475 (Input_file_group::Files): Remove, use ::Input_argument_list.
476 (Input_file_group::Input_argument_list): Remove, use
477 ::Input_argument_list.
478 * plugin.cc (Plugin_manager::add_input_file): Add error in
480 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
482 * script.cc (read_input_script): Call
483 Incremental_input::report_script.
484 * script.h (Script_info): New class.
486 2009-04-27 Ian Lance Taylor <iant@google.com>
488 * x86_64.cc (do_adjust_output_section): Set entsize to
491 2009-04-23 Elliott Hughes <enh@google.com>
493 * output.cc (Output_file::close): After short writes, continue
494 writing from the correct offset in the buffer being written.
496 2009-04-23 Chris Demetriou <cgd@google.com>
498 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
499 * configure: Regenerate.
500 * config.in: Regenerate.
501 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
502 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
504 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
506 * incremental.cc (Incremental_inputs_header_data): Renamed from
507 Incremental_input_header_data.
508 (Incremental_inputs_header_data::data_size): New field.
509 (Incremental_inputs_header_data::put_input_file_count): Renamed
510 from input_file_count.
511 (Incremental_inputs_header_data::put_command_line_offset): Renamed
512 from command_line_offset.
513 (Incremental_inputs_header_data::put_reserved): Renamed from
515 (Incremental_inputs_entry_data): Renamed from
516 Incremental_input_entry_data.
517 (Incremental_inputs_entry_data::data_size): New field.
518 (Incremental_inputs::report_command_line): New method.
519 (Incremental_inputs::finalize): New method.
520 (Incremental_inputs::create_incremental_inputs_data): New method.
521 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
522 * incremental.h: New file.
523 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
524 (Layout::finalize): Create incremental inputs section in
526 (Layout::create_incremental_info_sections): New method.
527 * layout.h (Layout::incremental_inputs): New method.
528 (Layout::create_incremental_info_sections): New method.
529 (Layout::incremental_inputs_): New field.
530 * main.cc (main): Notify Incremental_input of the command line.
532 2009-04-01 Ian Lance Taylor <iant@google.com>
533 Mikolaj Zalewski <mikolajz@google.com>
535 * gold.h (reserve_unordered_map): Define, three versions, one for
536 each version of Unordered_map.
537 * layout.cc (Layout::Layout): Remove options parameter. Add
538 number_of_input_files parameter. Don't initialize options_.
539 Initialize number_of_input_files_ and resized_signatures_. Move
540 sections_are_attached_.
541 (Layout::layout_group): Reserve space for group_signatures_.
542 (Layout::find_or_add_kept_section): Change name parameter to be a
543 reference. Resize signatures_ map when it gets large enough.
544 (Layout::layout_eh_frame): Use parameters->options() instead of
546 (Layout::make_output_section): Likewise.
547 (Layout::attach_allocated_section_to_segment): Likewise.
548 (Layout::finalize, Layout::create_executable_stack): Likewise.
549 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
550 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
551 * layout.h (class Layout): Update declarations. Remove options_
552 field. Add number_of_input_files_ and resized_signatures_
553 fields. Move sections_are_attached_ field.
554 * main.cc (main): Pass number of input files to Layout
555 constructor. Don't pass options.
557 2009-03-30 Ian Lance Taylor <iant@google.com>
559 * ffsll.c (ffsll): Correct implementation.
561 2009-03-27 Ian Lance Taylor <iant@google.com>
564 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
565 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
566 * ftruncate.c (ftruncate): Declare before definition.
567 * mremap.c (mremap): Likewise.
568 * pread.c (pread): Likewise.
569 * configure, Makefile.in, config.in: Rebuild.
571 * mremap.c: New file.
572 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
573 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
574 (mremap): Declare if HAVE_MREMAP is not defined.
575 * configure, Makefile.in, config.in: Rebuild.
577 2009-03-27 Cary Coutant <ccoutant@google.com>
579 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
580 position independent.
581 * sparc.cc (Target_sparc::check_non_pic): Likewise.
582 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
584 2009-03-24 Cary Coutant <ccoutant@google.com>
586 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
588 (needs_dynamic_reloc): Likewise.
590 2009-03-24 Ian Lance Taylor <iant@google.com>
592 * yyscript.y (file_cmd): Recognize EXTERN.
593 (extern_name_list, extern_name_list_body): New nonterminals.
594 * script.cc (script_add_extern): Define.
595 * script-c.h (script_add_extern): Declare.
597 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
599 * object.cc (is_elf_object): Define.
600 * object.h (is_elf_object): Declare.
601 * archive.cc (Archive::get_elf_object_for_member): Call
603 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
605 2009-03-24 Elliott Hughes <enh@google.com>
607 * output.cc (Output_file::map_anonymous): Define.
608 (Output_file::map): Use map_anonymous. If the regular mmap fails,
609 try an anonymous one. Report the size if the mmap fails.
610 * output.h (class Output_file): Declare map_anonymous.
612 2009-03-24 Ian Lance Taylor <iant@google.com>
614 * target-select.cc (instantiate_target): Don't acquire the lock if
615 the instantiated_target_ field has already been set.
617 2009-03-23 Ian Lance Taylor <iant@google.com>
619 * gold-threads.h (class Initialize_lock): Define.
620 * gold-threads.cc (class Initialize_lock_once): Define.
621 (initialize_lock_control): New static variable.
622 (initialize_lock_pointer): New static variable.
623 (initialize_lock_once): New static function.
624 (Initialize_lock::Initialize_lock): Define.
625 (Initialize_lock::initialize): Define.
626 * target-select.h: Include "gold-threads.h".
627 (class Target_selector): Add lock_ and initialize_lock_ fields.
628 Don't define instantiate_target, just declare it.
629 * target-select.cc (Target_selector::Target_selector): Initialize
631 (Target_selector::instantiate_target): Define.
632 * descriptors.h: Include "gold-threads.h".
633 (class Descriptors): Add initialize_lock_ field.
634 * descriptors.cc (Descriptors::Descriptors): Initialize new
636 (Descriptors::open): Use initialize_lock_ field
637 * errors.h (class Errors): Add initialize_lock_ field.
638 * errors.cc (Errors::Errors): Initialize new field.
639 (Errors::initialize_lock): Use initialize_lock_ field.
640 * powerpc.cc (class Target_selector_powerpc): Remove
641 instantiated_target_ field. In do_recognize call
642 instantiate_target rather than do_instantiate_target. In
643 do_instantiate_target just allocate a new target.
644 * sparc.cc (class Target_selector_sparc): Likewise.
646 * freebsd.h: New file.
647 * i386.cc: Include "freebsd.h".
648 (Target_i386): Derive from Target_freebsd rather than
650 (Target_selector_i386): Derive from Target_selector_freebsd rather
651 than Target_selector.
652 * x86_64.cc: Include "freebsd.h".
653 (Target_x86_64): Derive from Target_freebsd rather than
655 (Target_selector_x86_64): Derive from Target_selector_freebsd
656 rather than Target_selector.
657 * target.h (class Target): Add adjust_elf_header and
658 do_adjust_elf_header.
659 * output.cc (Output_file_header:: do_sized_write): Call target
660 adjust_elf_header routine.
661 * configure.tgt: Set targ_osabi.
662 * configure.ac: Define GOLD_DEFAULT_OSABI.
663 * parameters.cc (Parameters::default_target): Pass
664 GOLD_DEFAULT_OSABI to select_target.
665 * target-select.h (class Target_selector): Make instantiate_target
666 protected rather than private.
667 * Makefile.am (HFILES): Add freebsd.h.
668 * configure, Makefile.in, config.in: Rebuild.
670 * merge.cc (do_add_input_section): Correct pend value. Change
671 message about last entry not being null terminated from error to
674 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
676 * incremental.cc: New file.
677 * Makefile.am (CCFILES): Add incremental.cc.
678 * Makefile.in: Rebuild.
680 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
682 * layout.cc (Layout::output_section_name): Preserve names
683 of '.note.' sections.
685 2009-03-19 Ian Lance Taylor <iant@google.com>
687 * descriptors.cc (Descriptors::open): Check that the options are
688 valid before using them.
690 2009-03-18 Ian Lance Taylor <iant@google.com>
692 * script-sections.h: Include <list>.
693 (class Script_sections): Change Sections_elements from std::vector
694 to std::list. Typedef public Elements_iterator. Add
695 orphan_section_placement_, data_segment_align_start_, and
696 saw_data_segment_align_ fields. Remove data_segment_align_index_
698 * script-sections.cc (class Orphan_section_placement): New class.
699 (class Sections_element): Add virtual functions is_relro and
700 orphan_section_init. Remove virtual function place_orphan_here.
701 (class Output_section_definition): Add is_relro and
702 orphan_section_init. Remove place_orphan_here.
703 (class Orphan_output_section): Likewise.
704 (Script_sections::Script_sections): Update for field changes.
705 (Script_sections::data_segment_align): Set saw_data_segment_align_
706 and data_segment_align_start_, not data_segment_align_index.
707 (Script_sections::data_segment_relro_end): Check
708 saw_data_segment_align_. Use data_segment_align_start_ rather
709 than data_segment_align_index_.
710 (Script_sections::place_orphan): Rewrite to use
711 Orphan_section_placement.
713 2009-03-17 Ian Lance Taylor <iant@google.com>
715 * archive.cc (Archive::add_symbols): Check for a version attached
716 to the symbol name in the archive map.
717 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
718 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
719 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
720 (ver_test_11.a): New target.
721 * testsuite/Makefile.in: Rebuild.
723 * configure.ac: Check for chsize and posix_fallocate. Replace
725 * ftruncate.c: New file, from gnulib.
726 * output.cc (posix_fallocate): Define dummy version if not
727 HAVE_POSIX_FALLOCATE.
728 (Output_file::map): Call posix_fallocate rather than lseek and
730 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
731 * configure, Makefile.in, config.in: Rebuild.
733 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
735 * layout.h (Layout::create_note): Add section_name parameter.
736 * layout.cc (Layout::create_note): Likewise.
737 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
739 2009-03-17 Ian Lance Taylor <iant@google.com>
741 * descriptors.cc: Include "options.h".
742 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
743 (Descriptors::open): Always use O_CLOEXEC when opening a new
744 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
747 * sparc.cc (class Target_sparc): Add has_got_section.
748 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
749 make sure we have a GOT section.
751 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
752 (Target_sparc::Scan::local): Likewise.
753 (Target_sparc::Scan::global): Likewise.
754 (Target_sparc::Relocate::relocate): Likewise.
755 (Target_sparc::Relocate::relocate_tls): Likewise.
757 * symtab.cc (Symbol_table::define_default_version): New function,
758 broken out of add_from_object.
759 (Symbol_table::add_from_object): Call define_default_version.
760 (Symbol_table::define_special_symbol): Add resolve_oldsym
761 parameter. Change all callers. If the version for a symbol comes
762 from a version script, resolve it with the symbol with the same
763 name with no version. Also add the symbol without a version if
765 (do_define_in_output_data): If resolving with oldsym, don't delete
767 (do_define_in_output_segment): Likewise.
768 (do_define_as_constant): Likewise.
769 * symtab.h (class Symbol_table): Update declarations.
771 2009-03-13 Ian Lance Taylor <iant@google.com>
773 * readsyms.cc (Read_symbols::incompatible_warning): New function.
774 (Read_symbols::requeue): New function.
775 (Read_symbols::do_read_symbols): If make_elf_object fails because
776 the target type is not configured, and the file was searched for,
777 issue a warning and retry with the next directory.
778 (Add_symbols::run): If the file has an incompatible format, and
779 it was searched for, requeue the Read_symbols task. On error,
781 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
782 dirindex parameter to constructor. Change all callers. Declare
783 incompatible_warning and requeue.
784 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
785 input_argument_ and input_group_ fields. Add them to
786 constructor. Change all callers.
787 (class Read_script): Add dirindex_ field. Add it to constructor.
789 * archive.cc (Archive::setup): Remove input_objects parameter.
791 (Archive::get_file_and_offset): Likewise.
792 (Archive::read_all_symbols): Likewise.
793 (Archive::read_symbols): Likewise.
794 (Archive::get_elf_object_for_member): Remove input_objects
795 parameter. Add punconfigured parameter. Change all callers.
796 (Archive::add_symbols): Change return type to bool. Check return
797 value of include_member.
798 (Archive::include_all_members): Likewise.
799 (Archive::include_member): Change return type to bool. Return
800 false if first included object has incompatible target. Set
801 included_member_ field.
802 (Add_archive_symbols::run): If add_symbols returns false, requeue
804 * archive.h (class Archive): Add included_member_ field.
805 Initialize it in constructor. Add input_file and searched_for
806 methods. Update declarations.
807 (class Add_archive_symbols): Add dirpath_, dirindex_, and
808 input_argument_ fields. Add them to constructor. Change all
810 * script.cc: Include "target-select.h".
811 (class Parser_closure): Add skip_on_incompatible_target_ and
812 found_incompatible_target_ fields. Add
813 skip_on_incompatible_target parameter to constructor. Change all
814 callers. Add methods skip_on_incompatible_target,
815 clear_skip_on_incompatible_target, found_incompatible_target, and
816 set_found_incompatible_target.
817 (read_input_script): Add dirindex parameter. Change all callers.
818 If parser finds an incompatible target, requeue Read_symbols
820 (script_set_symbol): Clear skip_on_incompatible_target in
822 (script_add_assertion, script_parse_option): Likewise.
823 (script_start_sections, script_add_phdr): Likewise.
824 (script_check_output_format): New function.
825 * script.h (read_input_script): Update declaration.
826 * script-c.h (script_check_output_format): Declare.
827 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
828 (ignore_cmd): Remove OUTPUT_FORMAT.
829 * fileread.cc (Input_file::Input_file): Add explicit this.
830 (Input_file::will_search_for): New function.
831 (Input_file::open): Add pindex parameter. Change all callers.
832 * fileread.h (class Input_file): Add input_file_argument method.
833 Declare will_search_for. Update declarations.
834 * object.cc (make_elf_object): Add punconfigured parameter.
836 * object.h (class Object): Make input_file public. Add
838 (make_elf_object): Update declaration.
839 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
841 * dirsearch.h (class Dirsearch): Update declaration.
842 * options.h (class General_options): Add --warn-search-mismatch.
843 * parameters.cc (Parameters::is_compatible_target): New function.
844 * parameters.h (class Parameters): Declare is_compatible_target.
845 * workqueue.cc (Workqueue::add_blocker): New function.
846 * workqueue.h (class Workqueue): Declare add_blocker.
848 * fileread.cc (Input_file::open): Remove options parameter.
850 (Input_file::open_binary): Likewise.
851 * script.cc (read_input_script): Likewise.
852 * readsyms.h (class Read_symbols): Remove options_ field. Remove
853 options parameter from constructor. Change all callers.
854 (class Read_script): Likewise.
855 * fileread.h (class Input_file): Update declarations.
856 * script.h (read_input_script): Update declaration.
858 2009-03-10 Nick Clifton <nickc@redhat.com>
860 * po/es.po: New Spanish translation.
862 2009-03-06 Cary Coutant <ccoutant@google.com>
864 * options.cc (parse_short_option): Keep dash_z from registering itself.
866 2009-03-03 Ian Lance Taylor <iant@google.com>
869 * target-reloc.h (relocate_section): Pass output_section to
871 * i386.cc (Target_i386::should_apply_static_reloc): Add
872 output_section parameter. Change all callers.
873 (Target_i386::Relocate::relocate): Add output_section parameter.
874 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
875 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
876 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
877 * testsuite/two_file_shared.sh: New script.
878 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
879 (check_DATA): Add two_file_shared.dbg.
880 (two_file_shared.dbg): New target.
881 * testsuite/Makefile.in: Rebuild.
883 2009-03-01 Ian Lance Taylor <iant@google.com>
885 * configure.ac: Check for byteswap.h.
886 * configure: Rebuild.
887 * config.in: Rebuild.
889 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
891 * layout.cc (Layout::find_or_add_kept_section): New function.
892 (Layout::add_comdat): Removed.
893 * layout.h (struct Kept_section): Move out of class Layout.
894 Remove trailing underscores from field names. Add group_sections
895 field. Rename group_ field to is_group. Change all uses.
896 (class Layout): Declare find_or_add_kept_section, not add_comdat.
897 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
898 comdat_groups_ field.
899 (Sized_relobj::include_section_group): Use
900 find_or_add_kept_section and Kept_section::group_sections.
901 (Sized_relobj::include_linkonce_section): Likewise.
902 * object.cc (class Sized_relobj): Don't define Comdat_group or
903 Comdat_group_table. Remove find_comdat_group and
904 add_comdat_group. Remove comdat_groups_ field.
905 * plugin.cc (include_comdat_group): Use
906 Layout::find_or_add_kept_section.
908 2009-02-28 Ian Lance Taylor <iant@google.com>
910 * README: --gc-sections and map files are now supported. Document
911 some build requirements.
914 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
915 relocatable link set the value of the section symbol to zero.
916 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
917 relocatable link don't include the section address in the local
920 2009-02-27 Ian Lance Taylor <iant@google.com>
923 * options.h (class Search_directory): Add is_system_directory.
924 (class General_options): Declare is_in_system_directory.
925 * options.cc (get_relative_sysroot): Make static.
926 (get_default_sysroot): Make static.
927 (General_optoins::is_in_system_directory): New function.
928 * fileread.cc (Input_file::is_in_system_directory): New function.
929 * fileread.h (class Input_file): Declare is_in_system_directory.
930 * object.h (class Object): Add is_in_system_directory.
931 (class Input_objects): Remove system_library_directory_ field.
932 * object.cc (Input_objects::add_object): Don't set
933 system_library_directory_.
934 (input_objects::found_in_system_library_directory): Remove.
935 * symtab.cc (Symbol_table::write_globals): Remove input_objects
936 parameter. Change all callers.
937 (Symbol_table::sized_write_globals): Likewise.
938 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
939 Call Object::is_in_system_directory.
940 * symtab.h (class Symbol_table): Update declarations.
943 * descriptors.h (Open_descriptor): Add is_on_stack field.
944 * descriptors.cc (Descriptors::open): If the descriptor is on the
945 top of the stack, remove it. Initialize is_on_stack field.
946 (Descriptors::release): Only add pod to stack if it is not on the
948 (Descriptors::close_some_descriptor): Clear stack_next and
952 * output.cc (Output_section::find_starting_output_address): Rename
953 from starting_output_address; add PADDR parameter; change return
955 * output.h (class Output_section): Declare
956 find_starting_output_address instead of starting_output_address.
957 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
958 section symbol for which we can't find a merge section.
961 * symtab.cc (Symbol_table::add_from_object): If the visibility is
962 hidden or internal, force the symbol to be local.
963 * resolve.cc (Symbol::override_visibility): Define.
964 (Symbol::override_base): Use override_visibility.
965 (Symbol_table::resolve): Likewise.
966 (Symbol::override_base_with_special): Likewise.
967 (Symbol_table::override_with_special): If the visibility is hidden
968 or internal, force the symbol to be local.
969 * symtab.h (class Symbol): Add set_visibility and
971 * testsuite/ver_test_1.sh: New file.
972 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
973 (check_DATA): Add ver_test_1.syms.
974 (ver_test_1.syms): New target.
975 * testsuite/Makefile.in: Rebuild.
977 2009-02-25 Cary Coutant <ccoutant@google.com>
979 * layout.cc (Layout::choose_output_section): Don't rename sections
980 when using a linker script that has a SECTIONS clause.
981 * Makefile.in: Regenerate.
983 * testsuite/Makefile.am (script_test_5.sh): New test case.
984 * testsuite/Makefile.in: Regenerate.
985 * testsuite/script_test_5.cc: New file.
986 * testsuite/script_test_5.sh: New file.
987 * testsuite/script_test_5.t: New file.
989 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
991 * archive.cc (Archive::include_member): Update calls to add_symbols.
992 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
994 * dynobj.h (do_add_symbols): Add the Layout argument.
995 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
997 * object.h (Object::add_symbols): Add the Layout argument.
998 (Object::do_add_symbols): Add the Layout argument.
999 (Sized_relobj::do_add_symbols): Add the Layout argument.
1000 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
1001 Unify the two versions.
1002 (Add_plugin_symbols): Remove.
1003 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
1004 (Sized_pluginobj::do_add_symbols): Unify the two versions.
1005 (Add_plugin_symbols): Remove.
1006 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
1007 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
1008 (Add_symbols::run): Make it work with Pulginobj.
1010 2009-02-06 Ian Lance Taylor <iant@google.com>
1012 * object.cc (Sized_relobj::do_layout): Make info message start
1013 with lower case letter.
1015 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
1017 * binary.cc: Fix file comment.
1019 * options.h (enum Incremental_disposition): Define.
1020 (class General_options): Add new options: --incremental,
1021 --incremental_changed, --incremental_unchanged,
1022 --incremental_unknown. Add incremental_disposition_ and
1023 implicit_incremental_ fields.
1024 (General_options::incremental_disposition): New function.
1025 (class Position_dependent_options): Add incremental_disposition
1027 (Position_dependent_options::copy_from_options): Set incremental
1029 * options.cc (General_options::parse_incremental_changed): New
1031 (General_options::parse_incremental_unchanged): New function.
1032 (General_options::parse_incremental_unknown): New function.
1033 (General_options::General_options): Initialize new fields
1034 incremental_disposition_ and implicit_incremental_.
1035 (General_options::finalize): Check for uasge of --incremental-*
1036 without --incremental.
1038 2009-02-06 Chris Demetriou <cgd@google.com>
1040 * gold.h (gold_undefined_symbol): Change to take only a Symbol
1041 pointer and to report location as the file name associated with
1043 (gold_undefined_symbol_at_location): New function to replace the
1044 old gold_undefined_symbol functionality.
1045 * target-reloc.h (relocate_section): Update to use
1046 gold_undefined_symbol_at_location.
1047 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1048 Call gold_undefined_symbol function rather than gold_error.
1049 * errors.h (Errors::undefined_symbol): Take location as a
1050 string, rather than calculating it from a relocation.
1051 * errors.cc (Errors::fatal): Print "fatal error:" before the
1053 (Errors::error, Errors::error_at_location): Print "error: "
1054 before the formatted message.
1055 (Errors::undefined_symbol): Take location as a string, rather
1056 than calculating it from a relocation.
1057 (gold_undefined_symbol_at_location): New function akin to
1058 old gold_undefined_symbol, calculates location from relocation.
1059 (gold_undefined_symbol): Change to take only a Symbol pointer
1060 and to report location as the file name associated with the symbol.
1061 * testsuite/debug_msg.sh: Update for changed error messages.
1062 * testsuite/undef_symbol.sh: Likewise.
1064 2009-02-04 Duncan Sands <baldrick@free.fr>
1067 * reduced_debug_output.h
1068 (Output_reduced_debug_abbrev_section::failed): Use format for
1070 (Output_reduced_debug_info_section::faild): Likewise.
1072 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
1074 * script.cc (Lazy_demangler): New class.
1075 (Version_script_info::get_symbol_version_helper): Demangle a
1078 2009-01-29 Cary Coutant <ccoutant@google.com>
1080 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
1082 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1084 2009-01-28 Ian Lance Taylor <iant@google.com>
1086 * version.cc (version_string): Bump to 1.9.
1088 * gold.h: Include <cstring> and <stdint.h>.
1089 * version.cc: Include <cstdio>.
1090 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
1092 * reduced_debug_output.cc (insert_into_vector): Rename from
1093 Insert_into_vector; change all callers. Use Swap_unaligned to
1094 avoid aliasing issue; remove union since it is unnecessary.
1096 2009-01-27 Sriraman Tallam <tmsriram@google.com>
1098 * Makefile.am (CCFILES): Add gc.cc.
1100 * Makefile.in: Regenerate.
1101 * gold.cc (Gc_runner): New class.
1102 (queue_initial_tasks): Call garbage collection related tasks
1103 when corresponding options are invoked.
1104 (queue_middle_gc_tasks): New function.
1105 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
1106 processed early before laying out sections during garbage collection.
1107 * gold.h (queue_middle_gc_tasks): New function.
1108 (is_prefix_of): Move from "layout.cc".
1109 * i386.cc (Target_i386::gc_process_relocs): New function.
1110 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
1111 * main.cc (main): Create object of class "Garbage_collection".
1112 * object.cc (Relobj::copy_symbols_data): New function.
1113 (Relobj::is_section_name_included): New function.
1114 (Sized_relobj::do_layout): Allow this function to be called twice
1115 during garbage collection and defer layout of section during the
1117 * object.h (Relobj::get_symbols_data): New function.
1118 (Relobj::is_section_name_included): New function.
1119 (Relobj::copy_symbols_data): New function.
1120 (Relobj::set_symbols_data): New function.
1121 (Relobj::get_relocs_data): New function.
1122 (Relobj::set_relocs_data): New function.
1123 (Relobj::is_output_section_offset_invalid): New pure virtual function.
1124 (Relobj::gc_process_relocs): New function.
1125 (Relobj::do_gc_process_relocs): New pure virtual function.
1126 (Relobj::sd_): New data member.
1127 (Sized_relobj::is_output_section_offset_invalid): New function.
1128 (Sized_relobj::do_gc_process_relocs): New function.
1129 * options.h (General_options::gc_sections): Modify to not be a no-op.
1130 (General_options::print_gc_sections): New option.
1131 * plugin.cc (Plugin_finish::run): Remove function call to
1132 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
1133 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
1134 * reloc.cc (Read_relocs::run): Add task to process relocs and
1135 determine unreferenced sections when doing garbage collection.
1136 (Gc_process_relocs): New class.
1137 (Sized_relobj::do_gc_process_relocs): New function.
1138 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
1139 sections that are garbage collected.
1140 * reloc.h (Gc_process_relocs): New class.
1141 * sparc.cc (Target_sparc::gc_process_relocs): New function.
1142 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
1143 symbols whose corresponding sections are garbage collected.
1144 (Symbol_table::Symbol_table): Add new parameter for the garbage
1146 (Symbol_table::gc_mark_undef_symbols): New function.
1147 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1148 (Symbol_table::gc_mark_dyn_syms): New function.
1149 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
1151 (Symbol_table::add_from_object): Likewise.
1152 (Symbol_table::add_from_relobj): When building shared objects, do not
1153 treat externally visible symbols as garbage.
1154 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
1155 table information for static and relocatable links.
1156 * symtab.h (Symbol_table::set_gc): New function.
1157 (Symbol_table::gc): New function.
1158 (Symbol_table::gc_mark_undef_symbols): New function.
1159 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1160 (Symbol_table::gc_mark_dyn_syms): New function.
1161 (Symbol_table::gc_): New data member.
1162 * target.h (Sized_target::gc_process_relocs): New pure virtual
1164 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
1165 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
1167 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
1169 * options.h (General_options::gc_sections): Define as a no-op for now.
1170 (General_options::no_keep_memory): Ditto.
1171 (General_options::Bshareable): Define.
1172 * options.cc (General_options::finalize): Honor -Bshareable.
1174 2009-01-20 Andreas Schwab <schwab@suse.de>
1176 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
1177 read the value in the contents, since we don't use it. Use the
1178 template endianness when writing.
1179 (Relocate::relocate): Use it for R_PPC_REL16_HA.
1181 2009-01-19 Andreas Schwab <schwab@suse.de>
1183 * configure.tgt (powerpc64-*): Fix targ_obj.
1185 2009-01-15 Ian Lance Taylor <iant@google.com>
1187 * object.cc (Sized_relobj::write_local_symbols): Don't write out
1188 local symbols when stripping all symbols.
1190 2009-01-14 Cary Coutant <ccoutant@google.com>
1192 * output.cc (Output_reloc): Add explicit instantiations.
1194 2009-01-14 Cary Coutant <ccoutant@google.com>
1196 * archive.cc (Archive::get_elf_object_for_member): Remove call
1197 to File_read::claim_for_plugin.
1198 * descriptors.cc (Descriptors::open): Remove reference to
1200 (Descriptors::claim_for_plugin): Remove.
1201 * descriptors.h (Descriptors::claim_for_plugin): Remove.
1202 (Descriptors::is_claimed): Remove.
1203 (claim_descriptor_for_plugin): Remove.
1204 * fileread.cc (File_read::claim_for_plugin): Remove.
1205 * fileread.h (File_read::claim_for_plugin): Remove.
1206 (File_read::descriptor): Reopen descriptor if necessary.
1207 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
1208 (Plugin_manager::all_symbols_read): Add task parameter. Change
1210 (Plugin_manager::get_input_file): New function.
1211 (Plugin_manager::release_input_file): New function.
1212 (Pluginobj::Pluginobj): Add filesize parameter and initialize
1213 corresponding data member.
1214 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
1215 and pass to base constructor. Change all callers.
1216 (get_input_file, release_input_file): New functions.
1217 (make_sized_plugin_object): Add filesize parameter. Change all callers.
1218 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
1219 (Plugin_manager::all_symbols_read): Add task parameter.
1220 (Plugin_manager::get_input_file): New function.
1221 (Plugin_manager::release_input_file): New function.
1222 (Plugin_manager::task_): New data member.
1223 (Pluginobj::Pluginobj): Add filesize parameter.
1224 (Pluginobj::filename): New function.
1225 (Pluginobj::descriptor): New function.
1226 (Pluginobj::filesize): New function.
1227 (Pluginobj::filesize_): New data member.
1228 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
1229 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
1230 File_read::claim_for_plugin; use Object::unlock to unlock the file.
1232 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
1233 with archive libraries.
1234 * testsuite/Makefile.in: Regenerate.
1235 * testsuite/plugin_test.c (struct sym_info): New type.
1236 (get_input_file, release_input_file): New static variables.
1237 (onload): Capture new transfer vector entries.
1238 (claim_file_hook): Stop reading at end of file according to filesize.
1239 Factor out parsing of readelf output into separate function.
1240 (all_symbols_read_hook): Exercise get_input_file and release_input_file
1241 APIs and get the source file name from the symbol table. Convert
1242 source file name to corresponding object file name. Print info
1243 message when adding new input files.
1244 (parse_readelf_line): New function.
1245 * testsuite/plugin_test_1.sh: Add checks for new info messages.
1246 * testsuite/plugin_test_2.sh: Likewise.
1247 * testsuite/plugin_test_3.sh: Likewise.
1248 * testsuite/plugin_test_4.sh: New test case.
1250 2009-01-07 Ian Lance Taylor <iant@google.com>
1252 * version.cc (version_string): Bump to 1.8.
1254 2008-12-23 Cary Coutant <ccoutant@google.com>
1256 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
1257 * plugin.cc (Plugin_manager::finish): Rename as
1258 layout_deferred_objects. Move cleanup to separate function.
1259 (Plugin_manager::cleanup): New function.
1260 (Plugin_finish::run): Call layout_deferred_objects and cleanup
1262 * plugin.h (Plugin_manager::finish): Rename as
1263 layout_deferred_objects.
1264 (Plugin_manager::cleanup): New function.
1265 (Plugin_manager::cleanup_done): New field.
1267 2008-12-23 Cary Coutant <ccoutant@google.com>
1269 * plugin.cc (is_visible_from_outside): New function.
1270 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
1271 so we don't return "IR only" status for exported symbols or -r links.
1273 * testsuite/Makefile.am (plugin_test_3): New test case.
1274 * testsuite/Makefile.in: Regenerate.
1275 * testsuite/plugin_test_3.sh: New file.
1277 2008-12-22 Cary Coutant <ccoutant@google.com>
1279 * object.cc (Sized_relobj::layout_section): New function.
1280 (Sized_relobj::do_layout): Defer layout of input sections until after
1281 plugin has provided replacement files.
1282 (Sized_relobj::do_layout_deferred_sections): New function.
1283 * object.h (Relobj::set_section_offset): Remove virtual keyword.
1284 (Relobj::layout_deferred_sections): New function.
1285 (Relobj::do_layout_deferred_sections): New function.
1286 (Sized_relobj::do_layout_deferred_sections): New function.
1287 (Sized_relobj::layout_section): New function.
1288 (Sized_relobj::Deferred_layout): New structure.
1289 (Sized_relobj::deferred_layout_): New field.
1290 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
1291 Change all callers. Layout deferred sections.
1292 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
1294 (Plugin_hook::run): Move code from do_plugin_hook inline.
1295 (Plugin_hook::do_plugin_hook): Remove.
1296 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
1297 (Plugin_manager::finish): Renamed, was cleanup.
1298 (Plugin_manager::should_defer_layout): New function.
1299 (Plugin_manager::add_deferred_layout_object): New function.
1300 (Plugin_manager::Deferred_layout_list): New type.
1301 (Plugin_manager::deferred_layout_objects_): New field.
1302 (Plugin_hook::do_plugin_hook): Remove.
1304 2008-12-17 Ian Lance Taylor <iant@google.com>
1306 * options.h (class General_options): Add --no case for
1309 2008-12-16 Cary Coutant <ccoutant@google.com>
1311 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
1313 (Plugin_manager::claim_file): Create plugin object even if
1314 plugin did not call the add_symbols callback.
1315 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
1316 asking for more symbols than were added.
1317 * testsuite/Makefile.am (plugin_test_1): Add test case with
1319 (empty.syms): New target.
1320 * testsuite/Makefile.in: Regenerate.
1321 * testsuite/plugin_test.c (claim_file_hook): Add new debug
1322 message. Don't call add_symbols if no globals.
1323 (all_symbols_read_hook): Don't provide replacement for empty
1326 2008-12-12 Ian Lance Taylor <iant@google.com>
1328 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
1329 r_type == 0 for a local symbol with r_sym == 0.
1330 (scan_relocatable_relocs): Pass r_sym to
1331 local_non_section_strategy.
1332 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
1335 * configure.ac: Update test for TLS descriptors: they are
1336 supported as of glibc 2.9.
1337 * configure: Rebuild.
1339 2008-12-11 Ian Lance Taylor <iant@google.com>
1342 * target-reloc.h (Default_scan_relocatable_relocs): For each
1343 function, map r_type == 0 to RELOC_DISCARD.
1345 2008-12-10 Cary Coutant <ccoutant@google.com>
1347 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
1348 object to override a kept COMDAT group from a plugin object.
1350 2008-12-09 Ian Lance Taylor <iant@google.com>
1353 * yyscript.y (file_cmd): Handle INPUT.
1355 * testsuite/initpri1.c: Change all declarations to be full
1356 prototypes by adding void, to avoid compiler warnings.
1358 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
1360 * options.cc (General_options::parse_plugin_opt): New.
1361 (General_options::add_plugin): The argument now is just the filename.
1362 (General_options::add_plugin_option): New.
1363 * options.h (plugin_opt): New.
1364 (add_plugin): Change argument name.
1365 (add_plugin_option): New.
1366 * plugin.cc (Plugin::load): Don't parse the plugin option.
1367 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
1368 (Plugin::add_option): New.
1369 (Plugin::args_): Change type.
1370 (Plugin::filename_): New.
1371 (Plugin_manager::add_plugin_option): New.
1372 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
1373 * testsuite/Makefile.in: Regenerate.
1375 2008-12-05 Cary Coutant <ccoutant@google.com>
1377 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
1378 Handle --strip-lto-sections option.
1379 * options.h (strip_lto_sections): New option.
1381 2008-12-01 Cary Coutant <ccoutant@google.com>
1383 * plugin.cc (ld_plugin_message): Change format parameter to const.
1384 Fix mismatch between new[] and delete.
1386 2008-11-14 Cary Coutant <ccoutant@google.com>
1388 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
1391 2008-11-05 Craig Silverstein <csilvers@google.com>
1393 * options.cc (General_options::parse_dynamic_list): New function.
1394 * options.h (General_options): New flags dynamic_list,
1395 dynamic_list_data, dynamic_list_cpp_new, and
1396 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
1397 (General_options::in_dynamic_list): New function.
1398 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
1399 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
1400 (Lex::can_continue_name): Likewise.
1402 (read_script_file): New parameter script_options.
1403 (read_dynamic_list): New function.
1404 (Script_options::define_dynamic_list): New function.
1405 (dynamic_list_keyword_parsecodes): New variable.
1406 (dynamic_list_keywords): New variable.
1407 * script.h (Script_options::define_dynamic_list): New function
1409 (read_dynamic_list): New function prototype.
1410 * symtab.cc (strprefix): New macro.
1411 (Symbol::should_add_dynsym_entry): Support dynamic_list,
1412 dynamic_list_data, dynamic_list_cpp_new, and
1413 dynamic_list_cpp_typeinfo.
1414 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
1415 (dynamic_list_expr): New rule.
1416 (dynamic_list_nodes): Likewise.
1417 (dynamic_list_node): Likewise.
1418 * testsuite/Makefile.am (dynamic_list): New test.
1419 * testsuite/Makefile.in: Regenerated.
1420 * testsuite/dynamic_list.t: New file.
1421 * testsuite/dynamic_list.sh: New file.
1423 2008-11-05 Craig Silverstein <csilvers@google.com>
1425 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
1426 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
1427 (t11_last): Likewise.
1428 * testsuite/ver_test_6.c (main): Likewise.
1430 2008-10-07 Cary Coutant <ccoutant@google.com>
1432 * options.c (General_options::finalize): Add check for -static and
1434 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
1437 2008-10-02 Cary Coutant <ccoutant@google.com>
1439 * plugin.cc (make_sized_plugin_object): Fix conditional
1440 compilation to work when not all targets are enabled.
1442 2008-09-29 Cary Coutant <ccoutant@google.com>
1444 * archive.cc (Archive::get_file_and_offset): Use filename instead
1445 of name to get library path.
1446 (Archive::include_member): Unlock external member of a thin archive.
1448 * testsuite/Makefile.am (TEST_AR): New variable.
1449 (thin_archive_test_1): New test.
1450 (thin_archive_test_2): New test.
1451 * testsuite/Makefile.in: Regenerate.
1452 * testsuite/thin_archive_main.cc: New file.
1453 * testsuite/thin_archive_test_1.cc: New file.
1454 * testsuite/thin_archive_test_2.cc: New file.
1455 * testsuite/thin_archive_test_3.cc: New file.
1456 * testsuite/thin_archive_test_4.cc: New file.
1458 2008-09-29 Cary Coutant <ccoutant@google.com>
1460 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
1461 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
1463 (Sized_relobj::do_finalize_local_symbols): Likewise.
1464 (Sized_relobj::map_to_kept_section): Likewise.
1465 * object.h (Sized_relobj::invalid_address): New constant.
1466 (Sized_relobj::do_output_section_offset): Check for invalid_address
1468 * output.cc (Output_reloc::local_section_offset): Use constant
1469 invalid_address instead of -1U.
1470 (Output_reloc::get_address): Likewise.
1471 (Output_section::output_address): Change -1U to -1ULL.
1472 * output.h (Output_reloc::invalid_address): New constant.
1473 * reloc.cc (Sized_relobj::write_sections): Use constant
1474 invalid_address instead of -1U.
1475 (Sized_relobj::relocate_sections): Likewise.
1476 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
1477 values for merge sections.
1478 * target-reloc.h (relocate_for_relocatable): Use constant
1479 invalid_address instead of -1U.
1481 2008-09-19 Cary Coutant <ccoutant@google.com>
1483 Add plugin functionality for link-time optimization (LTO).
1484 * configure.ac (plugins): Add --enable-plugins option.
1485 * configure: Regenerate.
1486 * config.in: Regenerate.
1487 * Makefile.am (LIBDL): New variable.
1488 (CCFILES): Add plugin.cc.
1489 (HFILES): Add plugin.h.
1490 (ldadd_var): Add LIBDL.
1491 * Makefile.in: Regenerate.
1493 * archive.cc: Include "plugin.h".
1494 (Archive::setup): Don't preread archive symbols when using a plugin.
1495 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
1496 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
1498 (Archive::include_member): Add symbols from plugin objects.
1499 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
1500 * descriptors.cc (Descriptors::open): Check for file descriptors
1501 abandoned by plugins.
1502 (Descriptors::claim_for_plugin): New function.
1503 * descriptors.h (Descriptors::claim_for_plugin): New function.
1504 (Open_descriptor::is_claimed): New field.
1505 (claim_descriptor_for_plugin): New function.
1506 * fileread.cc (File_read::claim_for_plugin): New function.
1507 * fileread.h (File_read::claim_for_plugin): New function.
1508 (File_read::descriptor): New function.
1509 * gold.cc: Include "plugin.h".
1510 (queue_initial_tasks): Add task to call plugin hooks for generating
1512 * main.cc: Include "plugin.h".
1513 (main): Load plugin libraries.
1514 * object.h (Pluginobj): Declare.
1515 (Object::pluginobj): New function.
1516 (Object::do_pluginobj): New function.
1517 (Object::set_target): New function.
1518 * options.cc: Include "plugin.h".
1519 (General_options::parse_plugin): New function.
1520 (General_options::General_options): Initialize plugins_ field.
1521 (General_options::add_plugin): New function.
1522 * options.h (Plugin_manager): Declare.
1523 (General_options): Add --plugin option.
1524 (General_options::has_plugins): New function.
1525 (General_options::plugins): New function.
1526 (General_options::add_plugin): New function.
1527 (General_options::plugins_): New field.
1528 * plugin.cc: New file.
1529 * plugin.h: New file.
1530 * readsyms.cc: Include "plugin.h".
1531 (Read_symbols::do_read_symbols): Check for archive before checking
1532 for ELF file. Call plugin hooks to claim files.
1533 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
1534 from a real object file; force override when processing replacement
1536 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
1537 (Symbol::init_base_object): Likewise.
1538 (Symbol::init_base_output_data): Likewise.
1539 (Symbol::init_base_output_segment): Likewise.
1540 (Symbol::init_base_constant): Likewise.
1541 (Symbol::init_base_undefined): Likewise.
1542 (Symbol::output_section): Assert that object is not a plugin.
1543 (Symbol_table::add_from_pluginobj): New function.
1544 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
1546 (Symbol_table::sized_write_globals): Likewise.
1547 (Symbol_table::add_from_pluginobj): Instantiate template.
1548 * symtab.h (Sized_pluginobj): Declare.
1549 (Symbol::in_real_elf): New function.
1550 (Symbol::set_in_real_elf): New function.
1551 (Symbol::in_real_elf_): New field.
1552 (Symbol_table::add_from_pluginobj): New function.
1554 * testsuite/Makefile.am (AM_CFLAGS): New variable.
1555 (LIBDL): New variable.
1557 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
1558 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
1559 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
1560 (MOSTLYCLEANFILES): Likewise.
1561 * testsuite/Makefile.in: Regenerate.
1562 * testsuite/plugin_test.c: New file.
1563 * testsuite/plugin_test_1.sh: New file.
1564 * testsuite/plugin_test_2.sh: New file.
1566 2008-09-16 Ian Lance Taylor <iant@google.com>
1568 * target-reloc.h (relocate_section): Check whether a symbol is
1569 defined by the ABI before reporting an undefined symbol error.
1570 * target.h (Target::is_defined_by_abi): Make parameter const.
1571 (Target::do_is_defined_by_abi): Likewise.
1572 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
1573 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
1574 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
1575 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
1576 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
1577 * testsuite/Makefile.in: Rebuild.
1579 * fileread.cc (make_view): Add casts to avoid warning.
1581 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1583 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
1584 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1586 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1588 * options.h (General_options::output_is_executable): New.
1589 (General_options::output_is_pie): New.
1590 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
1591 for shared libraries.
1592 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1594 2008-09-11 Chris Demetriou <cgd@google.com>
1596 * options.h (origin): New -z option.
1597 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
1598 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
1601 2008-09-05 Cary Coutant <ccoutant@google.com>
1603 * fileread.cc (File_read::make_view): Add check for attempt to map
1606 2008-09-05 Cary Coutant <ccoutant@google.com>
1608 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
1609 explicit instantiations.
1611 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
1614 * options.cc (General_options::finalize): Allow undefined symbols
1615 in shlibs if linking -shared.
1618 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
1619 symbols as not needing a dynsym entry.
1621 2008-08-20 Craig Silverstein <csilvers@google.com>
1623 * fileread.cc (File_read::open): Do not lock the file unless it
1624 was successfully opened.
1626 2008-08-14 Cary Coutant <ccoutant@google.com>
1628 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
1629 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
1630 * testsuite/tls_test.cc (struct int128): 128-bit struct
1631 for testing TLS relocs with non-zero addend.
1632 (v12): New TLS variable.
1634 (t_last): Add check for v12.
1635 * testsuite/tls_test.h (t12): New function.
1636 * testsuite/tls_test_main.cc (thread_routine): Call new test.
1638 2008-08-13 Ian Lance Taylor <iant@google.com>
1640 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
1641 set tls_segment_ or relro_segment_.
1642 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
1644 * output.h (Output_section::clear_is_relro): New function.
1645 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
1646 sections specially even when output_data_ is empty.
1647 (Output_segment::maximum_alignment): When first section is relro,
1648 only force alignment for PT_LOAD segments.
1649 * script.cc (script_data_segment_align): New function.
1650 (script_data_segment_relro_end): New function.
1651 * script-c.h (script_data_segment_align): Declare.
1652 (script_data_segment_relro_end): Declare.
1653 * script-sections.h (class Script_sections): Declare
1654 data_segment_align and data_segment_relro_end. Add fields
1655 segment_align_index_ and saw_relro_end_.
1656 * script-sections.cc (class Sections_element): Add set_is_relro
1657 virtual function. Add new bool* parameter to place_orphan_here.
1658 Add get_output_section virtual function.
1659 (class Output_section_definition): Add set_is_relro. Add new
1660 bool* parameter to place_orphan_here. Add get_output_section.
1661 Add is_relro_ field.
1662 (Output_section_definition::Output_section_definition): Initialize
1663 evaluated_address_, evaluated_load_address, evaluated_addralign_,
1664 and is_relro_ fields.
1665 (Output_section_definition::place_orphan_here): Add is_relro
1667 (Output_section_definition::set_section_addresses): Set relro for
1669 (Output_section_definition::alternate_constraint): Likewise.
1670 (class Orphan_output_section): Add new bool* parameter to
1671 place_orphan_here. Add get_output_section.
1672 (Orphan_output_section::place_orphan_here): Add is_relro
1674 (Script_sections::Script_sections): Initialize
1675 data_segment_align_index_ and saw_relro_end_.
1676 (Script_sections::data_segment_align): New function.
1677 (Script_sections::data_segment_relro_end): New function.
1678 (Script_sections::place_orphan): Set or clear is_relro.
1679 (Script_sections::set_section_addresses): Force alignment of first
1681 * yyscript.y (exp): Call script_data_segment_align and
1682 script_data_segment_relro_end.
1683 * testsuite/relro_script_test.t: New file.
1684 * testsuite/relro_test.cc (using_script): Declare.
1685 (t1, t2): Test using_script.
1686 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
1687 (relro_script_test_SOURCES): Define.
1688 (relro_script_test_DEPENDENCIES): Define.
1689 (relro_script_test_LDFLAGS): Define.
1690 (relro_script_test_LDADD): Define.
1691 (relro_script_test.so): New target.
1692 * testsuite/Makefile.in: Rebuild.
1694 2008-08-06 Cary Coutant <ccoutant@google.com>
1696 * archive.cc (Archive::total_archives, Archive::total_members)
1697 (Archive::total_members_loaded): New variables.
1698 (Archive::setup): Add parameter. Add option to preread
1700 (Archive::read_armap): Add counter.
1701 (Archive::get_file_and_offset): New function.
1702 (Archive::get_elf_object_for_member): New function.
1703 (Archive::read_all_symbols): New function.
1704 (Archive::read_symbols): New function.
1705 (Archive::add_symbols): Add counters.
1706 (Archive::include_all_members): Use armap to find members if it's
1708 (Archive::include_member): Skip reading symbols if already read.
1709 Factored code into Archive::get_file_and_offset and
1710 Archive::get_elf_object_for_member. Changed call to
1711 Mapfile::report_include_archive_member.
1712 (Archive::print_stats): New function.
1713 * archive.h: Declare Object and Read_symbols_data classes.
1714 (Archive::Archive): Add initializers for new members.
1715 (Archive::setup): Add parameter.
1716 (Archive::print_stats): New function.
1717 (Archive::total_archives, Archive::total_members)
1718 (Archive::total_members_loaded): New variables.
1719 (Archive::get_file_and_offset): New function.
1720 (Archive::get_elf_object_for_member): New function.
1721 (Archive::read_all_symbols): New function.
1722 (Archive::read_symbols): New function.
1723 (Archive::Archive_member): New class.
1724 (Archive::members_): New member.
1725 (Archive::num_members_): New member.
1726 * main.cc: Include archive.h.
1727 (main): Call Archive::print_stats.
1728 * mapfile.cc (Mapfile::report_include_archive_member): Delete
1729 archive parameter; member_name is now the fully-decorated name.
1730 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
1731 * options.h: (General_options): Add --preread-archive-symbols option.
1732 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
1735 2008-08-04 Ian Lance Taylor <iant@google.com>
1737 * symtab.h (Symbol::use_plt_offset): New function.
1738 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
1739 * powerpc.cc (Relocate::relocate): Likewise.
1740 * sparc.cc (Relocate::relocate): Likewise.
1741 * x86_64.cc (Relocate::relocate): Likewise.
1742 * testsuite/weak_plt.sh: New test.
1743 * testsuite/weak_plt_main.cc: New test.
1744 * testsuite/weak_plt_shared.cc: New test.
1745 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
1746 (check_PROGRAMS): Add weak_plt.
1747 (check_DATA): Add weak_plt_shared.so.
1748 (weak_plt_main_pic.o, weak_plt): New targets.
1749 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
1750 * testsuite/Makefile.in: Rebuild.
1752 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
1754 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
1755 * testsuite/Makefile.in: Rebuild.
1757 2008-08-04 Alan Modra <amodra@bigpond.net.au>
1759 * Makefile.am (POTFILES.in): Set LC_ALL=C.
1760 * Makefile.in: Regenerate.
1761 * po/POTFILES.in: Regenerate.
1763 2008-07-29 Ian Lance Taylor <iant@google.com>
1765 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
1766 symbols before other symbols.
1767 * testsuite/script_test_2.cc (test_addr): Declare.
1768 (test_addr_alias): Declare.
1769 (main): Check that test_addr and test_addr_alias have the right
1771 * testsuite/script_test_2.t: Define test_addr_alias and
1774 2008-07-24 Ian Lance Taylor <iant@google.com>
1777 * descriptors.cc: New file.
1778 * descriptors.h: New file.
1779 * gold-threads.h (class Hold_optional_lock): New class.
1780 * fileread.cc: Include "descriptors.h".
1781 (File_read::~File_read): Release descriptor rather than closing
1783 (File_read::open) [file]: Call open_descriptor rather than open.
1784 Set is_descriptor_opened_.
1785 (File_read::open) [memory]: Assert that descriptor is not open.
1786 (File_read::reopen_descriptor): New function.
1787 (File_read::release): Release descriptor.
1788 (File_read::do_read): Make non-const. Reopen descriptor.
1789 (File_read::read): Make non-const.
1790 (File_read::make_view): Reopen descriptor.
1791 (File_read::do_readv): Likewise.
1792 * fileread.h (class File_read): Add is_descriptor_opened_ field.
1793 Update declarations.
1794 * layout.cc: Include "descriptors.h".
1795 (Layout::create_build_id): Use open_descriptor rather than open.
1796 * output.cc: Include "descriptors.h".
1797 (Output_file::open): Use open_descriptor rather than open.
1798 * archive.cc (Archive::const_iterator): Change Archive to be
1800 (Archive::begin, Archive::end): Make non-const.
1801 (Archive::count_members): Likewise.
1802 * archive.h (class Archive): Update declarations.
1803 * object.h (Object::read): Make non-const.
1804 * Makefile.am (CCFILES): Add descriptors.cc.
1805 (HFILES): Add descriptors.h.
1806 * Makefile.in: Rebuild.
1809 * gold.h: Always include <clocale>. Add Solaris workarounds
1810 following code in binutils/sysdep.h.
1813 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
1814 this->eh_frame_hdr_ is NULL before using it.
1816 * dynobj.cc (Versions::Versions): Update comment.
1818 * dynobj.cc (Versions::Versions): If there is an soname, use it as
1819 the base version name.
1821 * stringpool.cc (Stringpool_template::add_with_length): Set key to
1822 array size plus one.
1823 (Stringpool_template::set_string_offsets): Subtract one from key
1824 before using it as an array index.
1825 (Stringpool_template::get_offset_with_length): Likewise.
1826 (Stringpool_template::write_to_buffer): Likewise.
1827 * stringpool.h (Stringpool_template::get_offset_from_key):
1830 2008-07-23 Ian Lance Taylor <iant@google.com>
1833 * object.h (Merged_symbol_value::value): Do our best to handle a
1837 * script.cc (Version_script_info::get_versions): Don't add empty
1838 version tag to return value.
1839 (Version_script_info::get_symbol_version_helper): Change return
1840 type to bool. Add pversion parameter. Change all callers.
1841 (script_register_vers_node): Don't require a non-NULL tag.
1842 * script.h (class Version_script_info): Update declarations.
1843 (Version_script_info::get_symbol_version): Change return type to
1844 bool. Add version parameter. Change all callers.
1845 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
1846 handling. Handle an empty version from a version script.
1847 (Symbol_table::define_special_symbol): Likewise.
1848 * testsuite/ver_test_10.script: New file.
1849 * testsuite/ver_test_10.sh: New file.
1850 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
1851 (check_DATA): Add ver_test_10.syms.
1852 (ver_test_10.syms, ver_test_10.so): New target.
1853 * testsuite/Makefile.in: Rebuild.
1855 2008-07-23 Simon Baldwin <simonb@google.com>
1857 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
1858 to zero for undefined symbols from dynamic libraries.
1860 2008-07-23 Ian Lance Taylor <iant@google.com>
1862 * symtab.cc (Symbol_table::resolve): Remove version parameter.
1864 * symtab.h (class Symbol_table): Update declaration.
1865 * testsuite/ver_test_9.cc: New file.
1866 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
1867 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
1868 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
1869 (ver_test_9.so, ver_test_9.o): New targets.
1870 * testsuite/Makefile.in: Rebuild.
1872 2008-07-22 Ian Lance Taylor <iant@google.com>
1874 * options.h (class General_options): Define --check-sections.
1875 * layout.cc (Layout::set_segment_offsets): Handle
1878 * options.h (class General_options): Define -n/--nmagic and
1880 * options.cc (General_options::finalize): For -n/--nmagic or
1881 -N/--omagic, set -static.
1882 * layout.cc (Layout::attach_allocated_section_to_segment): If
1883 -N/--omagic, don't put read-only and read-write sections in
1885 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
1886 finding a read-only segment.
1887 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
1888 don't set the minimum segment alignment to the common page size,
1889 and don't set the file offset to the address modulo the page size.
1890 * script-sections.cc (Script_sections::create_segments): If
1891 -n/--omagic, don't put read-only and read-write sections in
1894 * cref.cc: New file.
1896 * options.h (class General_options): Add --print-symbol-counts.
1897 * main.cc (main): Issue defined symbol report if requested.
1898 * archive.cc (Archive::interpret_header): Make into a const member
1900 (Archive::add_symbols): Call Input_objects::archive_start and
1902 (Archive::const_iterator): Define new class.
1903 (Archive::begin, Archive::end): New functions.
1904 (Archive::include_all_members): Rewrite to use iterator.
1905 (Archive::count_members): New function.
1906 * archive.h (class Archive): Update declarations.
1907 (Archive::filename): New function.
1908 * object.cc: Include "cref.h".
1909 (Sized_relobj::Sized_relobj): Initialize defined_count_.
1910 (Sized_relobj::do_get_global_symbol_counts): New function.
1911 (Input_objects::add_object): Add object to cross-referencer.
1912 (Input_objects::archive_start): New function.
1913 (Input_objects::archive_stop): New function.
1914 (Input_objects::print_symbol_counts): New function.
1915 * object.h: Declare Cref and Archive.
1916 (Object::get_global_symbol_counts): New function.
1917 (Object::do_get_global_symbol_counts): New pure virtual function.
1918 (class Sized_relobj): Add defined_count_ field. Update
1920 (class Input_objects): Add cref_ field. Update constructor.
1921 Update declarations.
1922 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
1924 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
1926 (Sized_dynobj::do_get_global_symbol_counts): New function.
1927 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
1928 defined_count_. Update declarations. Define Symbols typedef.
1929 * symtab.cc (Symbol_table::add_from_relobj): Add defined
1930 parameter. Change all callers.
1931 (Symbol_table::add_from_dynobj): Add sympointers and defined
1932 parameters. Change all callers.
1933 * symtab.h (class Symbol_table): Update declarations.
1934 * Makefile.am (CCFILES): Add cref.cc.
1935 (HFILES): Add cref.h.
1936 * Makefile.in: Rebuild.
1938 2008-07-22 Simon Baldwin <simonb@google.com>
1940 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
1941 to zero when writing undefined symbols.
1943 2008-07-22 Ian Lance Taylor <iant@google.com>
1945 * output.cc (Output_section::add_input_section): Don't try to
1946 merge empty merge sections.
1948 2008-07-21 Craig Silverstein <csilvers@google.com>
1950 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1951 Include symbol version in error message.
1953 2008-07-20 Chris Demetriou <cgd@google.com>
1955 * configure.ac (gold_cv_c_random_seed): New configured variable.
1956 (RANDOM_SEED_CFLAGS): New substituted variable.
1957 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
1958 * configure: Rebuild.
1959 * Makefile.in: Likewise.
1960 * testsuite/Makefile.in: Likewise.
1962 2008-07-18 Ian Lance Taylor <iant@google.com>
1964 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
1965 where we see NAME/NULL and NAME/VERSION as separate symbols.
1966 * testsuite/ver_test_main.cc (main): Call t4.
1967 (t4, t4_2a): Define.
1968 * testsuite/ver_test_2.cc (t4_2): Define.
1969 * testsuite/ver_test_2.script: Put t4_2a in VER2.
1970 * testsuite/ver_test_4.cc (t4_2a): Define.
1971 * testsuite/ver_test_4.script: Put t4_2a in VER2.
1972 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
1974 2008-07-17 Ian Lance Taylor <iant@google.com>
1976 * dynobj.cc (Versions::add_def): If we give an error about a
1977 missing version, go ahead and create the version anyhow.
1979 2008-07-10 Ian Lance Taylor <iant@google.com>
1981 Handle output sections with more than 0x7fffffff bytes.
1982 * object.h (class Relobj): Change map_to_output_ to
1983 output_sections_, and just keep a section pointer. Change all
1984 uses. Move comdat group support to Sized_relobj.
1985 (Relobj::is_section_specially_mapped): Remove.
1986 (Relobj::output_section): Remove poff parameter. Change all
1988 (Relobj::output_section_offset): New function.
1989 (Relobj::set_section_offset): Rewrite.
1990 (Relobj::map_to_output): Remove.
1991 (Relobj::output_sections): New function.
1992 (Relobj::do_output_section_offset): New pure virtual function.
1993 (Relobj::do_set_section_offset): Likewise.
1994 (class Sized_relobj): Add section_offsets_ field. Add comdat
1995 group support from Relobj. Update declarations.
1996 (Sized_relobj::get_output_section_offset): New function.
1997 (Sized_relobj::do_output_section_offset): New function.
1998 (Sized_relobj::do_set_section_offset): New function.
1999 * object.cc (Relobj::output_section_address): Remove.
2000 (Sized_relobj::Sized_relobj): Initialize new fields.
2001 (Sized_relobj::include_section_group): Cast find_kept_object to
2003 (Sized_relobj::include_linkonce_section): Likewise.
2004 (Sized_relobj::do_layout): Use separate arrays for output section
2006 (Sized_relobj::do_count_local_symbols): Change map_to_output to
2008 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
2009 output_sections and section_offsets.
2010 (Sized_relobj::write_local_symbols): Likewise.
2011 (map_to_kept_section): Compute output address directly.
2012 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
2013 output_sections and section_offsets.
2014 (Sized_relobj::write_sections): Likewise.
2015 (Sized_relobj::relocate_sections): Likewise.
2016 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
2017 * output.h (class Output_reloc): Update declarations. Change
2018 u2_.relobj to Sized_relobj*.
2019 (class Output_data_reloc): Change add functions to use
2021 * output.cc (Output_reloc::Output_reloc): Change relobj to
2023 (Output_reloc::local_section_offset): Change return type to
2024 Elf_Addr. Use get_output_section_offset.
2025 (Output_reloc::get_address): Likewise.
2026 (Output_section::is_input_address_mapped): Don't call
2027 is_section_specially_mapped.
2028 (Output_section::output_offset): Likewise.
2029 (Output_section::output_address): Likewise.
2030 (Output_section::starting_output_address): Likewise.
2031 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
2032 parameter to Sized_relobj*.
2033 (Copy_relocs::need_copy_reloc): Likewise.
2034 (Copy_relocs::save): Likewise.
2035 * copy-relocs.h (class Copy_relocs): Update declarations.
2036 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
2037 Sized_relobj*. Change relobj_ field to Sized_relobj*.
2038 * target-reloc.h (relocate_for_relocatable): Change
2039 offset_in_output_section type to Elf_Addr. Change code that uses
2041 * layout.cc (Layout::layout): Always set *off.
2042 * mapfile.cc (Mapfile::print_input_section): Use
2043 output_section_offset.
2044 * i386.cc (Target_i386::copy_reloc): Change object parameter to
2046 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
2047 * sparc.cc (Target_sparc::copy_reloc): Likewise.
2048 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2050 2008-07-03 Ian Lance Taylor <iant@google.com>
2052 * layout.cc (Layout::include_section): Do not discard unrecognized
2053 SHT_STRTAB sections.
2055 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
2057 * script.cc (Lex::can_continue_name): Make '?' allowable in
2058 version-script names.
2059 * testsuite/version_script.map: Change glob pattern to use '?'
2061 2008-06-30 Manish Singh <yosh@gimp.org>
2064 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
2067 2008-06-30 Ian Lance Taylor <iant@google.com>
2071 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
2072 versions]: Don't try to read the value in the contents, since we
2073 don't use it. Use the template endianness when writing.
2075 2008-06-25 Cary Coutant <ccoutant@google.com>
2077 * fileread.cc (File_read::make_view): Assert on zero-length view.
2078 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
2079 symbol table when there are no symbols to read.
2081 2008-06-23 Craig Silverstein <csilvers@google.com>
2083 * version.cc (version_string): Bump to 1.7
2085 2008-06-18 Craig Silverstein <csilvers@google.com>
2087 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
2088 constant 0xFFFF to type Valtype.
2089 (Powerpc_relocate_functions::rel16_ha): Likewise.
2091 2008-06-17 Ian Lance Taylor <iant@google.com>
2093 * output.h (Output_section::Input_section): Initialize p2align_ to
2094 zero for Output_section_data constructors.
2095 (Output_section::Input_section::addralign): If not an input
2096 section, return the alignment of the Output_section_data.
2097 * testsuite/copy_test.cc: New file.
2098 * testsuite/copy_test_1.cc: New file.
2099 * testsuite/copy_test_2.cc: New file.
2100 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
2101 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
2102 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
2103 (copy_test_1_pic.o, copy_test_1.so): New targets.
2104 (copy_test_2_pic.o, copy_test_2.so): New targets.
2105 * testsuite/Makefile.in: Rebuild.
2107 * script-sections.cc (Script_sections::place_orphan): Initialize
2108 local variable exact.
2110 2008-06-13 David Edelsohn <edelsohn@gnu.org>
2112 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
2114 2008-06-12 David Edelsohn <edelsohn@gnu.org>
2115 David S. Miller <davem@davemloft.net>
2117 * powerpc.cc: New file.
2118 * Makefile.am (TARGETSOURCES): Add powerpc.cc
2119 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
2120 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
2121 * Makefile.in: Rebuild.
2123 2008-06-09 Ian Lance Taylor <iant@google.com>
2125 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
2127 (throwing, orig_terminate): New static variables.
2128 (terminate_handler): New static function.
2129 (t2): Set terminate handler.
2131 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
2134 * binary.cc (Binary_to_elf::sized_convert): Fix .data
2137 2008-05-30 Cary Coutant <ccoutant@google.com>
2139 * archive.cc (Archive::include_all_members) Correct to step
2140 over symbol table and extended name table in thin archives.
2142 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
2145 * target-reloc.h (relocate_for_relocatable): Fix new_offset
2148 2008-05-28 Caleb Howe <cshowe@google.com>
2150 * reduced_debug_output.cc: New file.
2151 * reduced_debug_output.h: New file.
2152 * options.h (class General_options): Add --strip-debug-non-line.
2153 * options.cc (General_options::finalize): Add strip_debug_non_line
2154 to the strip heirarchy.
2155 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
2157 * layout.cc: Include "reduced_debug_output.h".
2158 (Layout::Layout): Initialize new fields.
2159 (line_only_debug_sections): New static array.
2160 (is_lines_only_debug_sections): New static inline function.
2161 (Layout::include_section): Handle --strip-debug-non-line.
2162 (Layout::make_output_section): If --strip-debug-non-line, build
2163 new output sections for .debug_abbrev and .debug_info.
2164 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
2165 gold. Warn about possible overflow.
2166 (read_signed_LEB_128): Likewise.
2167 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
2168 (read_signed_LEB_128): Declare.
2169 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
2170 (HFILES): Add reduced_debug_output.h.
2171 * Makefile.in: Rebuild.
2173 2008-05-21 Ian Lance Taylor <iant@google.com>
2175 * mapfile.cc: New file.
2176 * mapfile.h: New file.
2177 * options.h (class General_options): Add -M/--print-map and -Map.
2178 * options.cc (General_options::finalize): Make -M equivalent to
2180 * main.cc: Include <cstdio> and "mapfile.h".
2181 (main): Open mapfile if requested.
2182 * gold.cc (class Middle_runner): Add mapfile_ field. Update
2183 constructor. Change caller.
2184 (queue_initial_tasks): Add mapfile parameter. Change caller.
2185 (queue_middle_tasks): Likewise.
2186 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
2188 * archive.cc: Include "mapfile.h".
2189 (Archive::add_symbols): Add mapfile parameter. Change all
2190 callers. Pass mapfile, symbol, and reason to include_member.
2191 (Archive::include_all_members): Add mapfile parameter. Change all
2193 (Archive::include_member): Add mapfile, sym, and why parameters.
2194 Change all callers. Report inclusion to map file.
2195 * archive.h: Include "fileread.h".
2196 (class Archive): Update declarations.
2197 (Archive::file): New const method.
2198 (class Add_archive_symbols): Add mapfile_ field. Update
2199 constructor. Change all callers.
2200 * readsyms.h (class Read_symbols): Likewise.
2201 (class Finish_group): Likewise.
2202 (class Read_script): Likewise.
2203 * common.cc: Include "mapfile.h".
2204 (Symbol_table::allocate_commons): Add mapfile parameter. Change
2206 (Symbol_table::do_allocate_commons): Likewise.
2207 (Symbol_table::do_allocate_commons_list): Likewise. Report common
2208 symbol allocation to mapfile.
2209 * common.h (class Allocate_commons_task): Add mapfile_ field.
2210 Update constructor. Change all callers.
2211 * symtab.h (class Symbol_table): Update declarations.
2212 * layout.cc: Include "mapfile.h".
2213 (Layout_task_runner::run): Print information to mapfile.
2214 (Layout::create_gold_note): Change Output_data_fixed_space to
2215 Output_data_zero_fill.
2216 (Layout::create_build_id): Likewise.
2217 (Layout::print_to_mapfile): New function.
2218 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
2219 constructor. Change caller.
2220 (class Layout): Declare print_to_mapfile.
2221 * output.cc (Output_section::Input_section::print_to_mapfile): New
2223 (Output_section::add_input_section): If producing a map, always
2224 add to input_sections_ list.
2225 (Output_section::do_print_to_mapfile): New function.
2226 (Output_segment::print_sections_to_mapfile): New function.
2227 (Output_segment::print_section_list_to_mapfile): New function.
2228 * output.h: Include "mapfile.h".
2229 (Output_data::print_to_mapfile): New function.
2230 (Output_data::do_print_to_mapfile): New virtual function.
2231 (Output_segment_headers::do_print_to_mapfile): New function.
2232 (Output_file_header::do_print_to_mapfile): New function.
2233 (Output_data_const::do_print_to_mapfile): New function.
2234 (class Output_data_const_buffer): Add map_name_ field. Update
2235 constructor. Change all callers. Add do_print_to_mapfile
2237 (class Output_data_fixed_space): Likewise.
2238 (class Output_data_space): Likewise.
2239 (class Output_data_zero_fill): New class.
2240 (Output_data_strtab::do_print_to_mapfile): New function.
2241 (Output_data_reloc_base::do_print_to_mapfile): New function.
2242 (Output_relocatable_relocs::do_print_to_mapfile): New function.
2243 (Output_data_group::do_print_to_mapfile): New function.
2244 (Output_data_got::do_print_to_mapfile): New function.
2245 (Output_data_dynamic::do_print_to_mapfile): New function.
2246 (Output_symtab_xindex::do_print_to_mapfile): New function.
2247 (class Output_section): Declare do_print_to_mapflie. Declare
2248 print_to_mapfile in Input_section.
2249 (class Output_segment): Declare new functions.
2250 * object.h (Sized_relobj::symbol_count): New function.
2251 * script-sections.cc
2252 (Output_section_element_dot_assignment::set_section_addresses):
2253 Change Output_data_fixed_space to Output_data_zero_fill.
2254 (Output_data_expression::do_print_to_mapfile): New function.
2255 * script.cc (read_input_script): Add mapfile parameter. Change
2257 * script.h (read_input_script): Update declaration.
2258 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
2259 (Eh_frame::do_print_to_mapfile): New function.
2260 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
2261 (Output_merge_string::do_print_to_mapfile): New function.
2262 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
2264 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
2266 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
2268 * Makefile.am (CCFILES): Add mapfile.cc.
2269 (HFILES): Add mapfile.h.
2270 * Makefile.in: Rebuild.
2272 2008-05-19 Ian Lance Taylor <iant@google.com>
2274 * options.h (class General_options): Add -z relro.
2275 * layout.cc (Layout::Layout): Initialize relro_segment_.
2276 (Layout::add_output_section_data): Return the output section.
2277 (Layout::make_output_section): Rcognize relro sections and mark
2279 (Layout::attach_allocated_section_to_segment): Put relro sections
2280 in a PT_GNU_RELRO segment.
2281 (Layout::create_initial_dynamic_sections): Mark the .dynamic
2283 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
2285 (Layout::linkonce_mapping): Map d.rel.ro.local to
2287 (Layout::output_section_name): Us .data.rel.ro.local for any
2288 section which begins with that.
2289 * layout.h (class Layout): Update add_output_section_data
2290 declaration. Add relro_segment_ field.
2291 * output.cc (Output_section::Output_section): Initialize is_relro_
2292 and is_relro_local_ fields.
2293 (Output_segment::add_output_section): Group relro sections.
2294 (Output_segment::is_first_section_relro): New function.
2295 (Output_segment::maximum_alignment): If there is a relro section,
2296 align the segment to the common page size.
2297 (Output_segment::set_section_addresses): Track whether we are
2298 looking at relro sections. If the last section is a relro
2299 section, align to the common page size.
2300 (Output_segment::set_section_list_addresses): Add in_relro
2301 parameter. Change all callers. Align to the page size when
2302 moving from relro to non-relro section.
2303 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
2305 * output.h (class Output_section): Add is_relro_ and
2306 is_relro_local_ fields.
2307 (Output_section::is_relro): New function.
2308 (Output_section::set_is_relro): New function.
2309 (Output_section::is_relro_local): New function.
2310 (Output_section::set_is_relro_local): New function.
2311 (class Output_segment): Update declarations.
2312 * i386.cc (Target_i386::got_section): Mark .got section as relro.
2313 * sparc.cc (Target_sparc::got_section): Likewise.
2314 * x86_64.cc (Target_x86_64::got_section): Likewise.
2315 * testsuite/relro_test_main.cc: New file.
2316 * testsuite/relro_test.cc: New file.
2317 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
2318 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
2319 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
2320 (relro_test.so, relro_test_pic.o): New targets.
2321 * testsuite/Makefile.in: Rebuild.
2323 2008-05-16 Ian Lance Taylor <iant@google.com>
2325 * output.cc (Output_segment::add_output_section): Remove front
2327 * output.h (class Output_segment): Remove
2328 add_initial_output_section and overloaded add_output_section.
2329 Update declaration of remaining add_output_section.
2330 * layout.cc (Layout::create_interp): Call add_output_section
2331 rather than add_initial_output_section.
2332 (Layout::finish_dynamic_section): Likewise.
2334 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
2335 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
2336 know the dynamic type.
2337 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
2338 field. Initialize it in constructor.
2339 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
2340 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
2341 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
2344 * output.cc (Output_reloc::get_address): Change return type to
2346 * output.h (class Output_reloc): Update get_address declaration.
2347 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
2348 for section addresses.
2350 2008-05-09 Ian Lance Taylor <iant@google.com>
2353 * gold.cc (gold_nomem): Use return value of write.
2355 2008-05-08 Ian Lance Taylor <iant@google.com>
2357 * symtab.c (Symbol::init_base_output_data): Add version
2358 parameter. Change all callers.
2359 (Symbol::init_base_output_segment): Likewise.
2360 (Symbol::init_base_constant): Likewise.
2361 (Symbol::init_base_undefined): Likewise.
2362 (Sized_symbol::init_output_data): Likewise.
2363 (Sized_symbol::init_output_segment): Likewise.
2364 (Sized_symbol::init_constant): Likewise.
2365 (Sized_symbol::init_undefined): Likewise.
2366 (Symbol_table::do_define_in_output_data): If the new symbol has a
2367 version, mark it as the default.
2368 (Symbol_table::do_define_in_output_segment): Likewise.
2369 (Symbol_table::do_define_as_constant): Likewise.
2370 * symtab.h (class Symbol): Update declarations.
2371 (class Sized_symbol): Likewise.
2372 * resolve.cc (Symbol::override_version): New function.
2373 (Symbol::override_base): Call override_version.
2374 (Symbol::override_base_with_special): Likewise.
2375 * testsuite/ver_script_8.script: New file.
2376 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
2377 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
2378 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
2379 (ver_test_8_1.so, ver_test_8_2.so): New targets.
2381 2008-05-06 Ian Lance Taylor <iant@google.com>
2384 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
2386 (class General_options): Remove existing --undefined, and add
2387 --no-undefined instead. Add new --undefined as synonym for -u.
2388 * archive.cc (Archive::add_symbols): Check whether symbol was
2390 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
2391 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
2392 all uses. Add IS_UNDEFINED. Update declarations to split
2393 different versions of init_base. Declare init_base_undefined.
2394 (Symbol::is_defined): Handle IS_UNDEFINED.
2395 (Symbol::is_undefined): Likewise.
2396 (Symbol::is_weak_undefined): Call is_undefined.
2397 (Symbol::is_absolute): Handle IS_CONSTANT.
2398 (class Sized_symbol): Update declarations to split different
2399 versions of init. Declare init_undefined.
2400 (class Symbol_table): Declare new functions.
2401 * symtab.cc (Symbol::init_base_object): Rename from init_base.
2403 (Symbol::init_base_output_data): Likewise.
2404 (Symbol::init_base_output_segment): Likewise.
2405 (Symbol::init_base_constant): Likewise.
2406 (Symbol::init_base_undefined): New function.
2407 (Sized_symbol::init_object): Rename from init. Change all
2409 (Sized_symbol::init_output_data): Likewise.
2410 (Sized_symbol::init_output_segment): Likewise.
2411 (Sized_symbol::init_constant): Likewise.
2412 (Sized_symbol::init_undefined): New function.
2413 (Symbol_table::add_undefined_symbols_from_command_line): New
2415 (Symbol_table::do_add_undefined_symbols_from_command_line): New
2417 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
2418 (Symbol::output_section): Likewise.
2419 (Symbol::set_output_section): Likewise.
2420 (Symbol_table::sized_finalize_symbol): Likewise.
2421 (Symbol_table::sized_write_globals): Likewise.
2422 * resolve.cc (Symbol_table::should_override): Likewise.
2423 (Symbol::override_base_with_special): Likewise.
2425 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
2426 symbol, change it to have default visibility.
2427 * testsuite/protected_1.cc: New file.
2428 * testsuite/protected_2.cc: New file.
2429 * testsuite/protected_3.cc: New file.
2430 * testsuite/protected_main_1.cc: New file.
2431 * testsuite/protected_main_2.cc: New file.
2432 * testsuite/protected_main_3.cc: New file.
2433 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
2434 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
2435 (protected_1_LDFLAGS, protected_1_LDADD): Define.
2436 (protected_1.so): New target.
2437 (protected_1_pic.o, protected_2_pic.o): New targets.
2438 (protected_3_pic.o): New target.
2439 (check_PROGRAMS): Add protected_2.
2440 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
2441 (protected_2_LDFLAGS, protected_2_LDADD): Define.
2442 * testsuite/Makefile.in: Rebuild.
2444 * options.h (DEFINE_var): Add set_user_set_##varname__.
2445 (DEFINE_bool_alias): New macro.
2446 (class General_options): Define -Bstatic using DEFINE_bool_alias
2447 rather than DEFINE_special. Add --undefined as an alias for -z
2449 * options.cc (General_options::parse_Bstatic): Remove.
2451 * options.h (class General_options): Add --fatal-warnings.
2452 * main.cc (main): Implement --fatal-warnings.
2453 * errors.h (Errors::warning_count): New function.
2455 * options.h (class General_options): Add -Bsymbolic-functions.
2456 * symtab.h (Symbol::is_preemptible): Check for
2457 -Bsymbolic-functions.
2459 2008-05-05 Ian Lance Taylor <iant@google.com>
2461 * options.h (DEFINE_bool): For DASH_Z, create the negative option
2462 as noVARNAME rather than no-VARNAME.
2463 (class General_options): Add option -z combreloc.
2464 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
2466 (Output_reloc::sort_before) [SHT_REL]: New function.
2467 (Output_reloc::sort_before) [SHT_RELA]: New function.
2468 (class Output_data_reloc_base): Add sort_relocs_ field. Define
2469 Sort_relocs_comparison.
2470 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
2471 parameter. Change all callers.
2472 (Output_data_reloc::Output_data_reloc) [both versions]: Add
2473 sort_relocs parameter. Change all callers.
2474 * output.cc (Output_reloc::get_address): New function, broken out
2476 (Output_reloc::write_rel): Call it.
2477 (Output_reloc::compare): New function.
2478 (Output_data_reloc_base::do_write): Optionally sort relocs.
2480 * configure.ac: If targ_extra_obj is set, link it in.
2481 * configure.tgt: Initialize all variables.
2482 (x86_64*): Set targ_extra_obj and targ_extra_size.
2483 * configure: Rebuild.
2485 * object.cc (Sized_relobj::include_section_group): Adjust section
2486 indexes read from group data. Build vector to pass to
2488 * layout.cc (Layout::layout_group): Add flags and shndxes
2489 parameters. Remove contents parameter. Change caller. Update
2490 explicit instantiations.
2491 * layout.h (class Layout): Update layout_group declaration.
2492 * output.cc (Output_data_group::Output_data_group): Add flags and
2493 input_shndxes parameters. Remove contents parameter. Change
2495 (Output_data_group::do_write): Change input_sections_ to
2497 * output.h (class Output_data_group): Update constructor
2498 declaration. Rename input_sections_ to input_shndxes_.
2499 * testsuite/many_sections_test.cc: Add template.
2501 2008-04-30 Cary Coutant <ccoutant@google.com>
2503 * target-reloc.h (relocate_section): Fix dead-pointer bug.
2505 * layout.cc (Layout::include_section): Refactored check for debug
2507 (Layout::add_comdat): Add new parameters. Change type
2508 of signature parameter. Add object and shndx to signatures table.
2509 (Layout::find_kept_object): New function.
2510 * layout.h: Include <cstring>.
2511 (Layout::is_debug_info_section): New function.
2512 (Layout::add_comdat): Add new parameters.
2513 (Layout::find_kept_object): New function.
2514 (Layout::Kept_section): New struct.
2515 (Layout::Signatures): Change type of map range.
2516 * object.cc (Relobj::output_section_address): New function.
2517 (Sized_relobj::include_section_group): Add new parameters. Change
2518 calls to Layout::add_comdat. Change to build table of kept comdat
2519 groups and table mapping discarded sections to kept sections.
2520 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
2521 (Sized_relobj::do_layout): Change calls to include_section_group and
2522 include_linkonce_section.
2523 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
2524 value to zero when section is discarded.
2525 (Sized_relobj::map_to_kept_section): New function.
2526 * object.h (Relobj::output_section_address): New function.
2527 (Relobj::Comdat_group): New type.
2528 (Relobj::find_comdat_group): New function.
2529 (Relobj::Comdat_group_table): New type.
2530 (Relobj::Kept_comdat_section): New type.
2531 (Relobj::Kept_comdat_section_table): New type.
2532 (Relobj::add_comdat_group): New function.
2533 (Relobj::set_kept_comdat_section): New function.
2534 (Relobj::get_kept_comdat_section): New function.
2535 (Relobj::comdat_groups_): New field.
2536 (Relobj::kept_comdat_sections_): New field.
2537 (Symbol_value::input_value): Update comment.
2538 (Sized_relobj::map_to_kept_section) New function.
2539 (Sized_relobj::include_linkonce_section): Add new parameter.
2540 * target-reloc.h (Comdat_behavior): New type.
2541 (get_comdat_behavior): New function.
2542 (relocate_section): Add code to map a discarded section to the
2543 corresponding kept section when applying a relocation.
2545 2008-04-30 Craig Silverstein <csilvers@google.com>
2547 * dwarf_reader.cc (next_generation_count): New static var.
2548 (Addr2line_cache_entry): New struct.
2549 (addr2line_cache): New static var.
2550 (Dwarf_line_info::one_addr2line): Added caching.
2551 (Dwarf_line_info::clear_addr2line_cache): New function.
2552 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
2553 cache-size parameter.
2554 (Dwarf_line_info::one_addr2line_cache): New function.
2555 * symtab.cc (Symbol_table::detect_odr_violations): Pass
2556 new cache-size argument to one_addr2line(), and clear cache.
2558 2008-04-28 Cary Coutant <ccoutant@google.com>
2560 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
2561 R_386_PC8 relocations.
2563 2008-04-23 Ian Lance Taylor <iant@google.com>
2565 * object.cc (Sized_relobj::include_section_group): Check for
2566 invalid section group.
2568 * object.cc (make_elf_object): Correct test for 64-bit ELF file
2571 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
2572 than read for file header.
2573 * archive.cc (Archive::include_member): Likewise.
2575 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
2577 * aclocal.m4: Regenerate.
2578 * configure: Regenerate.
2580 2008-04-19 Ian Lance Taylor <iant@google.com>
2582 * version.cc (version_string): Bump to 1.6.
2584 * testsuite/Makefile.am (many_sections_r_test): New target.
2585 (many_sections_r_test_SOURCES): Remove.
2586 (many_sections_r_test_DEPENDENCIES): Remove.
2587 (many_sections_r_test_LDFLAGS): Remove.
2588 (many_sections_r_test_LDADD): Remove.
2590 * object.cc (Sized_relobj::do_add_symbols): Always pass
2591 local_symbol_count_ to add_from_relobj.
2593 * testsuite/Makefile.am (many_sections_check.h): Only check one in
2594 every thousand variables.
2595 * testsuite/Makefile.in: Rebuild.
2597 * object.cc (Xindex::initialize_symtab_xindex): New function.
2598 (Xindex::read_symtab_xindex): New function.
2599 (Xindex::sym_xindex_to_shndx): New function.
2600 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
2602 (Sized_relobj::do_initialize_xindex): New function.
2603 (Sized_relobj::do_read_symbols): Adjust section links.
2604 (Sized_relobj::symbol_section_and_value): Add is_ordinary
2605 parameter. Change all callers.
2606 (Sized_relobj::include_section_group): Adjust section links and
2607 symbol section indexes.
2608 (Sized_relobj::do_layout): Adjust section links.
2609 (Sized_relobj::do_count_local_symbols): Adjust section links and
2610 symbol section indexes.
2611 (Sized_relobj::do_finalize_local_symbols): Distinguish between
2612 ordinary and special symbols.
2613 (Sized_relobj::write_local_symbols): Add symtab_xindex and
2614 dynsym_xindex parameters. Change all callers. Adjust section
2615 links. Use SHN_XINDEX when needed.
2616 (Sized_relobj::get_symbol_location_info): Adjust section links.
2617 Don't get fooled by special symbols.
2618 * object.h (class Xindex): Define.
2619 (class Object): Add xindex_ parameter. Declare virtual functoin
2620 do_initialize_xindex.
2621 (Object::adjust_sym_shndx): New function.
2622 (Object::set_xindex): New protected function.
2623 (class Symbol_value): Add is_ordinary_shndx_ field.
2624 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
2625 (Symbol_value::value): Assert ordinary section.
2626 (Symbol_value::initialize_input_to_output_map): Likewise.
2627 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
2629 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
2631 (class Sized_relobj): Update declarations.
2632 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
2633 parameter. Change all callers.
2634 (Sized_relobj::adjust_shndx): New function.
2635 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
2637 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
2638 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
2639 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
2640 (Sized_dynobj::read_dynsym_section): Adjust section links.
2641 (Sized_dynobj::read_dynamic): Likewise.
2642 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
2644 (Sized_dynobj::do_initialize_xindex): New function.
2645 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
2646 do_initialize_xindex.
2647 (Sized_dynobj::adjust_shndx): New function.
2648 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
2649 dynsym_xindex_ fields.
2650 (Layout::finalize): Add a call to set_section_indexes before
2651 creating the symtab sections.
2652 (Layout::set_section_indexes): Don't do anything if the section
2653 already has a section index.
2654 (Layout::create_symtab_sections): Add shnum parameter. Change
2655 caller. Create .symtab_shndx section if needed.
2656 (Layout::create_shdrs): Add shstrtab_section parameter. Change
2658 (Layout::allocated_output_section_count): New function.
2659 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
2661 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
2662 fields. Update declarations.
2663 (Layout::symtab_xindex): New function.
2664 (Layout::dynsym_xindex): New function.
2665 (class Write_symbols_task): Add layout_ field.
2666 (Write_symbols_task::Write_symbols_task): Add layout parameter.
2668 * output.cc (Output_section_headers::Output_section_headers): Add
2669 shstrtab_section parameter. Change all callers.
2670 (Output_section_headers::do_sized_write): Store overflow values
2671 for section count and section string table section index in
2672 section header zero.
2673 (Output_file_header::do_sized_write): Check for overflow of
2674 section count and section string table section index.
2675 (Output_symtab_xindex::do_write): New function.
2676 (Output_symtab_xindex::endian_do_write): New function.
2677 * output.h (class Output_section_headers): Add shstrtab_section_.
2678 Update declarations.
2679 (class Output_symtab_xindex): Define.
2680 (Output_section::has_out_shndx): New function.
2681 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
2683 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
2685 (Sized_symbol::init): Likewise.
2686 (Symbol::output_section): Check for ordinary symbol.
2687 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
2688 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
2690 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
2691 Change all callers. Simplify handling of symbols from sections
2692 not included in the link.
2693 (Symbol_table::add_from_dynobj): Handle ordinary symbol
2695 (Weak_alias_sorter::operator()): Assert that symbols are
2697 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
2699 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
2700 parameters. Change all callers.
2701 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
2702 symbol distinction. Use SHN_XINDEX when needed.
2703 (Symbol_table::write_section_symbol): Add symtab_xindex
2704 parameter. Change all callers.
2705 (Symbol_table::sized_write_section_symbol): Likewise. Use
2706 SHN_XINDEX when needed.
2707 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
2709 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
2710 (Symbol::is_defined): Check is_ordinary.
2711 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
2712 (Symbol::is_absolute, Symbol::is_common): Likewise.
2713 (class Sized_symbol): Update declarations.
2714 (class Symbol_table): Update declarations.
2715 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
2716 parameters. Change all callers.
2717 (Sized_symbol::override): Likewise.
2718 (Symbol_table::override): Likewise.
2719 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
2720 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
2721 is_ordinary, and orig_st_shndx parameters. Change all callers.
2722 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
2723 to be in an ordinary section.
2724 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
2725 object and is_ordinary parameters. Change all callers.
2726 (Sized_dwarf_line_info::read_relocs): Add object parameter.
2727 Change all callers. Don't add undefined or non-ordinary symbols
2729 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
2731 * dwarf_reader.h (class Sized_dwarf_line_info): Update
2733 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
2734 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
2735 (Sized_relobj::relocate_sections): Likewise.
2736 * target-reloc.h (scan_relocs): Adjust section symbol index.
2737 (scan_relocatable_relocs): Likewise.
2738 * i386.cc (Scan::local): Check for ordinary symbols.
2739 * sparc.cc (Scan::local): Likewise.
2740 * x86_64.cc (Scan::local): Likewise.
2741 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
2742 to symbol_section_and_value.
2743 * testsuite/many_sections_test.cc: New file.
2744 * testsuite/Makefile.am (BUILT_SOURCES): Define.
2745 (check_PROGRAMS): Add many_sections_test.
2746 (many_sections_test_SOURCES): Define.
2747 (many_sections_test_DEPENDENCIES): Define.
2748 (many_sections_test_LDFLAGS): Define.
2749 (BUILT_SOURCES): Add many_sections_define.h.
2750 (many_sections_define.h): New target.
2751 (BUILT_SOURCES): Add many_sections_check.h.
2752 (many_sections_check.h): New target.
2753 (check_PROGRAMS): Add many_sections_r_test.
2754 (many_sections_r_test_SOURCES): Define.
2755 (many_sections_r_test_DEPENDENCIES): Define.
2756 (many_sections_r_test_LDFLAGS): Define.
2757 (many_sections_r_test_LDADD): Define.
2758 (many_sections_r_test.o): New target.
2759 * testsuite/Makefile.in: Rebuild.
2761 2008-04-17 Cary Coutant <ccoutant@google.com>
2763 * errors.cc (Errors::info): New function.
2764 (gold_info): New function.
2765 * errors.h (Errors::info): New function.
2766 * gold.h (gold_info): New function.
2767 * object.cc (Input_objects::add_object): Print trace output.
2768 * options.cc (options::parse_set): New function.
2769 (General_options::parse_wrap): Deleted.
2770 (General_options::General_options): Deleted initializer.
2771 * options.h (options::String_set): New typedef.
2772 (options::parse_set): New function.
2773 (DEFINE_set): New macro.
2774 (General_options::wrap): Changed to use DEFINE_set. Changed
2775 callers of any_wrap_symbols and is_wrap_symbol.
2776 (General_options::trace, General_options::trace_symbol):
2778 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
2779 (General_options::wrap_symbols_): Deleted.
2780 * symtab.cc (Symbol_table::add_from_object): Print trace output.
2782 2008-04-17 David S. Miller <davem@davemloft.net>
2784 * options.cc (General_options::parse_V): New function.
2785 * options.h: Add entries for -V and -Qy.
2787 2008-04-17 Ian Lance Taylor <iant@google.com>
2789 * common.cc (Symbol_table::allocate_commons): Remove options
2790 parameter. Change caller.
2791 (Symbol_table::do_allocate_commons): Remove options parameter.
2792 Change caller. Just call do_allocate_commons_list twice.
2793 (Symbol_table::do_allocate_commons_list): New function, broken out
2794 of do_allocate_commons.
2795 * common.h (class Allocate_commons_task): Remove options_ field.
2797 * symtab.cc (Symbol_table::Symbol_table): Initialize
2799 (Symbol_table::add_from_object): Put TLS common symbols on
2801 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
2802 which are IN_OUTPUT_DATA.
2803 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
2804 allocate_commons and do_allocate_commons declarations. Declare
2805 do_allocate_commons_list.
2806 * gold.cc (queue_middle_tasks): Update creation of
2807 Allocate_commons_task to not pass options.
2808 * testsuite/Makefile.am (INCLUDES): Add -I.. .
2809 (TLS_TEST_C_FLAGS): New variable.
2810 (tls_test_c_pic.o): New target.
2811 (tls_test_shared.so): Link in tls_test_c_pic.o.
2812 (tls_test_c_pic_ie.o): New target.
2813 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
2814 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
2815 (tls_test_c.o): New target.
2816 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
2817 (tls_pic_test_LDADD): Likewise.
2818 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
2819 (tls_shared_gd_to_ie_test_LDADD): Likewise.
2820 (tls_test_c_gnu2.o): New target.
2821 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
2823 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
2824 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
2825 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
2826 * testsuite/tls_test.cc: Include "config.h".
2827 (t_last): Call t11_last.
2828 * testsuite/tls_test.h (t11, t11_last): Declare.
2829 * testsuite/tls_test_c.c: New file.
2830 * testsuite/tls_test_main.cc (thread_routine): Call t11.
2831 * configure.ac: Check for OpenMP support.
2832 * configure, config.in, Makefile.in: Rebuild.
2833 * testsuite/Makefile.in: Rebuild.
2835 2008-04-16 Cary Coutant <ccoutant@google.com>
2837 * i386.cc (Target_i386::define_tls_base_symbol): New function.
2838 (Target_i386::tls_base_symbol_defined_): New field.
2839 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2840 (Target_i386::Scan::global): Likewise.
2841 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
2842 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
2843 (Target_x86_64::tls_base_symbol_defined_): New field.
2844 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2845 (Target_x86_64::Scan::global): Likewise.
2847 2008-04-16 Cary Coutant <ccoutant@google.com>
2849 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
2850 (Symbol::needs_plt_entry): Allow weak undefined symbols.
2851 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
2852 building shared libraries.
2853 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
2854 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
2855 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
2856 * testsuite/Makefile.in: Rebuild.
2857 * testsuite/weak_undef.h: New file.
2858 * testsuite/weak_undef_file1.cc: Add extra test cases.
2859 * testsuite/weak_undef_file2.cc: Likewise.
2860 * testsuite/weak_undef_test.cc: Likewise.
2862 2008-04-16 David S. Miller <davem@davemloft.net>
2864 * sparc.cc (Target_sparc::Scan): Change from struct to class.
2865 Add issued_non_pic_error_ field. Declare check_non_pic.
2866 (Target_sparc::Scan::check_non_pic): New function.
2867 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
2868 (Target_sparc::Scan::global): Likewise.
2870 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
2871 * configure: Rebuild.
2873 * options.h (DEFINE_enable): New macro.
2874 (new_dtags): New enable option.
2875 (initfirst, interpose, loadfltr, nodefaultlib,
2876 nodelete, nodlopen, nodump): New -z options.
2877 * layout.cc (Layout:finish_dynamic_section): If new
2878 dtags enabled, emit DT_RUNPATH. Also, emit a
2879 DT_FLAGS_1 containing any specified -z flags.
2881 2008-04-16 Ian Lance Taylor <iant@google.com>
2883 * copy-relocs.cc: New file.
2884 * copy-relocs.h: New file.
2885 * reloc.cc: Remove Copy_relocs code.
2886 * reloc.h: Likewise.
2887 * reloc-types.h (struct Reloc_types) [both versions]: Add
2888 get_reloc_addend_noerror.
2889 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
2890 variants of add_global which take an addend which must be zero.
2891 * i386.cc: Include "copy-relocs.h".
2892 (class Target_i386): Change type of copy_relocs_ to variable,
2894 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
2896 (Target_i386::do_finalize_sections): Change handling of
2898 * sparc.cc: Include "copy-relocs.h".
2899 (class Target_sparc): Change type of copy_relocs_ to variable,
2901 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
2903 (Target_sparc::do_finalize_sections): Change handling of
2905 * x86_64.cc: Include "copy-relocs.h".
2906 (class Target_x86_64): Change type of copy_relocs_ to variable,
2908 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
2909 class. Change all callers.
2910 (Target_x86_64::do_finalize_sections): Change handling of
2912 * Makefile.am (CCFILES): Add copy-relocs.cc.
2913 (HFILES): Add copy-relocs.h.
2915 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
2917 * testsuite/script_test_4.sh: Permit leading zeroes.
2919 2008-04-15 Ian Lance Taylor <iant@google.com>
2921 * script-sections.cc (Script_sections::create_segments): Use
2922 header_size_adjustment even when there is enough room for the
2924 * testsuite/script_test_4.sh: New file.
2925 * testsuite/script_test_4.t: New file.
2926 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
2927 (check_DATA): Add script_test_4.stdout.
2928 (MOSTLYCLEANFILES): Likewise.
2929 (script_test_4): New target.
2930 (script_test_4.stdout): New target.
2931 * testsuite/Makefile.in: Rebuild.
2933 * sparc.cc: Add definitions for Output_data_plt_sparc class
2936 2008-04-14 David S. Miller <davem@davemloft.net>
2938 * sparc.cc: New file.
2939 * Makefile.am (TARGETSOURCES): Add sparc.cc
2940 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
2941 * configure.tgt: Document targ_extra_size and
2942 targ_extra_big_endian. Add entries for sparc-* and
2944 * configure.ac: Handle targ_extra_size and
2945 targ_extra_big_endian.
2946 * Makefile.in: Rebuild.
2947 * configure: Likewise.
2948 * po/POTFILES.in: Likewise.
2949 * po/gold.pot: Likewise.
2951 2008-04-14 Ian Lance Taylor <iant@google.com>
2953 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
2954 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
2955 in the name/type/flags to section mapping. Don't call
2956 allocate_output_section.
2957 (Layout::choose_output_section): Change parameter from adjust_name
2958 to is_input_section. Don't permit input sections after sections
2959 are attached to segments. Don't call allocate_output_section.
2960 (Layout::layout_eh_frame): Call update_flags_for_input_section,
2961 not write_enable_output_section.
2962 (Layout::make_output_section): Don't push to
2963 unattached_section_list_ nor call attach_to_segment. Call
2964 attach_section_to_segment if sections are attached.
2965 (Layout::attach_sections_to_segments): New function.
2966 (Layout::attach_section_to_segment): New function.
2967 (Layout::attach_allocated_section_to_segment): Rename from
2968 attach_to_segment. Remove flags parameter.
2969 (Layout::allocate_output_section): Remove function.
2970 (Layout::write_enable_output_section): Remove function.
2971 * layout.h (class Layout): Update for above changes. Add new
2972 field sections_are_attached_.
2973 * output.h (Output_section::update_flags_for_input_section): New
2975 * output.cc (Output_section::add_input_section): Call
2976 update_flags_for_input_section.
2977 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2979 2008-04-11 Cary Coutant <ccoutant@google.com>
2981 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
2982 thought unnecessary.
2983 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
2985 2008-04-11 Ian Lance Taylor <iant@google.com>
2987 * output.h (class Output_section_data): Remove inline definition
2989 * output.cc (Output_section_data::set_addralign): New function.
2991 2008-04-11 Cary Coutant <ccoutant@google.com>
2993 Add support for TLS descriptors for i386 and x86_64.
2994 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
2995 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
2996 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
2998 (Target_i386::got_mod_index_entry): Remove unnecessary code.
2999 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
3000 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
3002 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
3003 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
3004 Fix problem with initial-exec relocations.
3005 (Target_i386::Relocate::relocate_tls): Likewise.
3006 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
3008 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
3009 support for section-plus-offset dynamic table entries.
3010 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
3011 (Output_data_dynamic::Dynamic_entry): Add support for
3012 section-plus-offset dynamic table entries.
3013 (Output_data_dynamic::Classification): Likewise.
3014 (Output_data_dynamic::classification_): Renamed offset_.
3015 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
3016 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
3017 (Target_x86_64::make_plt_section): New function.
3018 (Target_x86_64::reserve_tlsdesc_entries): New function.
3019 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
3020 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
3021 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
3022 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
3023 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
3024 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
3025 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
3026 add extra PLT entry for TLS descriptors.
3027 (Output_data_plt_x86_64::got_): New field.
3028 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
3029 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
3031 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
3033 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
3034 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
3035 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
3036 R_386_TLS_DESC_CALL relocations.
3037 (Target_x86_64::Scan::global): Likewise.
3038 (Target_x86_64::do_finalize_sections): Add dynamic table entries
3039 for TLS descriptors.
3040 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
3041 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
3042 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
3043 GD-to-IE relaxation.
3044 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
3045 and TLS_DESCRIPTORS.
3046 * Makefile.in: Rebuild.
3047 * configure: Rebuild.
3048 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
3049 (tls_test_shared2.so): New target.
3050 (tls_shared_gd_to_ie_test_SOURCES): New variable.
3051 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
3052 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
3053 (tls_shared_gd_to_ie_test_LDADD): New variable.
3054 (tls_shared_gnu2_gd_to_ie_test): New target.
3055 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
3057 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
3058 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
3059 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
3060 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
3061 (tls_shared_gnu2_test): New target.
3062 (tls_test_gnu2_shared.so): New target.
3063 (tls_shared_gnu2_test_SOURCES): New variable.
3064 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
3065 (tls_shared_gnu2_test_LDFLAGS): New variable.
3066 (tls_shared_gnu2_test_LDADD): New variable.
3067 * testsuite/Makefile.in: Rebuild.
3068 * testsuite/Makefile.
3070 2008-04-11 Ian Lance Taylor <iant@google.com>
3072 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
3074 * testsuite/Makefile.in: Rebuild.
3076 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
3078 * testsuite/script_test_2.cc (main): Adjust test.
3080 2008-04-11 David S. Miller <davem@davemloft.net>
3081 Ian Lance Taylor <iant@google.com>
3083 * options.h (General_options): Add entries for '-Y' and
3085 * options.cc (General_options:finalize): If -Y was used, add those
3086 entries to the library path instead of the default "/lib" and
3089 2008-04-11 David S. Miller <davem@davemloft.net>
3091 * testsuite/justsyms.t: Start at 0x100.
3092 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
3093 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
3095 * testsuite/script_test_2.cc: Adjust string and section length
3098 2008-04-09 Ian Lance Taylor <iant@google.com>
3101 * script-sections.cc (Sections_element::allocate_to_segment): Add
3103 (Output_section_definition::allocate_to_segment): Likewise.
3104 (Orphan_output_section::allocate_to_segment): Likewise.
3105 (Script_sections::attach_sections_using_phdrs_clause): Don't
3106 propagate non-PT_LOAD segments to orphan sections.
3107 * testsuite/Makefile.am (script_test_3.stdout): Generate using
3108 readelf rather than objdump.
3109 * testsuite/script_test_3.sh: Adjust accordingly. Test that
3110 .interp section and PT_INTERP segment are the same size.
3111 * testsuite/Makefile.in: Rebuild.
3113 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
3114 aliases for symbols defined in the same object.
3115 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
3116 (weak_alias_test_SOURCES): New variable.
3117 (weak_alias_test_DEPENDENCIES): New variable.
3118 (weak_alias_test_LDFLAGS): New variable.
3119 (weak_alias_test_LDADD): New variable.
3120 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
3121 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
3122 (weak_alias_test_3.o): New target.
3123 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
3124 * testsuite/weak_alias_test_main.cc: New file.
3125 * testsuite/weak_alias_test_1.cc: New file.
3126 * testsuite/weak_alias_test_2.cc: New file.
3127 * testsuite/weak_alias_test_3.cc: New file.
3129 2008-04-08 Ian Lance Taylor <iant@google.com>
3131 * options.h (class General_options): Add --noinhibit-exec option.
3132 * main.cc (main): Check --noinhibit-exec.
3134 * options.h (class General_options): Define --wrap as a special
3135 option. Add wrap_symbols_ field.
3136 (General_options::any_wrap_symbols): New function.
3137 (General_options::is_wrap_symbol): New function.
3138 * options.cc (General_options::parse_wrap): New function.
3139 (General_options::General_options): Initialize wrap_symbols_.
3140 * symtab.cc (Symbol_table::wrap_symbol): New function.
3141 (Symbol_table::add_from_object): Handle --wrap.
3142 * symtab.h (class Symbol_table): Declare wrap_symbol.
3143 * target.h (Target::wrap_char): New function.
3144 (Target::Target_info): Add wrap_char field.
3145 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
3146 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3147 * testsuite/testfile.cc (Target_test::test_target_info):
3150 * errors.cc (Errors::undefined_symbol): Mention symbol version if
3153 * layout.h (class Layout): Add added_eh_frame_data_ field.
3154 * layout.cc (Layout::Layout): Initialize new field.
3155 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
3156 output section until we find a section we merged successfully.
3157 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
3158 that the size be non-zero.
3160 * merge.cc (Object_merge_map::get_output_offset): Remove inline
3163 2008-04-08 Craig Silverstein <csilvers@google.com>
3165 * configure.ac: Export new conditional variable HAVE_ZLIB.
3166 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
3168 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
3169 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3171 2008-04-07 Ian Lance Taylor <iant@google.com>
3173 * version.cc (version_string): Set to "1.5".
3175 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
3176 Add issued_non_pic_error_ field. Declare check_non_pic.
3177 (Target_x86_64::Scan::check_non_pic): New function.
3178 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
3179 (Target_x86_64::Scan::global): Likewise.
3181 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
3182 addend parameter. Change caller. Handle merge sections.
3183 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
3184 Address to Addend. Don't add in the result of
3185 local_section_offset, pass down the addend and use the returned
3187 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
3188 Update declarations of local_section_offset and symbol_value.
3189 * testsuite/two_file_test_1.cc (t18): New function.
3190 * testsuite/two_file_test_2.cc (f18): New function.
3191 * testsuite/two_file_test_main.cc (main): Call t18.
3192 * testsuite/two_file_test.h (t18, f18): Declare.
3194 * configure.ac: Don't test for objdump, c++filt, or readelf.
3195 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
3197 (TEST_READELF): New variable.
3198 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
3199 (check_PROGRAMS): Add two_file_strip_test.
3200 (two_file_strip_test): New target.
3201 (check_PROGRAMS): Add two_file_same_shared_strip_test.
3202 (two_file_same_shared_strip_test_SOURCES): New variable.
3203 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
3204 (two_file_same_shared_strip_test_LDFLAGS): New variable.
3205 (two_file_same_shared_strip_test_LDADD): New variable.
3206 (two_file_shared_strip.so): New target.
3207 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
3208 (ver_test_5.syms, ver_test_7.syms): Likewise.
3209 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
3210 (strip_test_3.stdout): Use TEST_OBJDUMP.
3211 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3213 2008-04-04 Cary Coutant <ccoutant@google.com>
3215 * symtab.h (Symbol::is_weak_undefined): New function.
3216 (Symbol::is_strong_undefined): New function.
3217 (Symbol::is_absolute): New function.
3218 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
3219 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
3221 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
3222 (weak_undef_test): New target.
3223 * testsuite/Makefile.in: Rebuild.
3224 * testsuite/weak_undef_file1.cc: New file.
3225 * testsuite/weak_undef_file2.cc: New file.
3226 * testsuite/weak_undef_test.cc: New file.
3228 2008-04-03 Craig Silverstein <csilvers@google.com>
3230 * compressed_output.h (class Output_compressed_section): Use
3232 * compressed_output.cc (zlib_compress): Use unsigned buffers,
3234 (zlib_compressed_suffix): Removed.
3235 (Output_compressed_section::set_final_data_size): Use unsigned
3237 * testsuite/Makefile.am (flagstest_compress_debug_sections):
3238 Fix linker invocation.
3239 (flagstest_o_specialfile_and_compress_debug_sections):
3241 * testsuite/Makefile.in: Regenerated.
3243 2008-04-02 David S. Miller <davem@davemloft.net>
3245 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
3246 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
3248 2008-04-02 Craig Silverstein <csilvers@google.com>
3252 2008-04-02 Ian Lance Taylor <iant@google.com>
3254 * fileread.cc (File_read::find_view): Add byteshift and vshifted
3255 parameters. Update for new key type to views_. Change all
3257 (File_read::read): Adjust for byteshift in returned view.
3258 (File_read::add_view): New function, broken out of
3260 (File_read::make_view): New function, broken out of
3262 (File_read::find_or_make_view): Add offset and aligned
3263 parameters. Rewrite accordingly. Change all callers.
3264 (File_read::get_view): Add offset and aligned parameters. Adjust
3265 for byteshift in return value.
3266 (File_read::get_lasting_view): Likewise.
3267 * fileread.h (class File_read): Update declarations.
3268 (class File_read::View): Add byteshift_ field. Add byteshift to
3269 constructor. Add byteshift method.
3270 * archive.h (Archive::clear_uncached_views): New function.
3271 (Archive::get_view): Add aligned parameter. Change all callers.
3272 * object.h (Object::get_view): Add aligned parameter. Change all
3274 (Object::get_lasting_view): Likewise.
3276 * fileread.cc (File_read::release): Don't call clear_views if
3277 there are multiple objects.
3278 * fileread.h (File_read::clear_uncached_views): New function.
3279 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
3282 2008-03-31 Cary Coutant <ccoutant@google.com>
3284 Add thin archive support.
3285 * archive.cc (Archive::armagt): New const.
3286 (Archive::setup): Remove task parameter and calls to unlock.
3287 (Archive::unlock_nested_archives): New function.
3288 (Archive::read_header): Add nested_off parameter. Change
3290 (Archive::interpret_header): Likewise.
3291 (Archive::include_all_members): Change to handle thin
3293 (Archive::include_member): Likewise.
3294 * archive.h (Archive::Archive): Add new parameters and
3296 (Archive::armagt): New const.
3297 (Archive::setup): Remove task parameter.
3298 (Archive::unlock_nested_archives): New function.
3299 (Archive::read_header): Add nested_off parameter.
3300 (Archive::interpret_header): Likewise.
3301 (Archive::Nested_archive_table): New typedef.
3302 (Archive::is_thin_archive_): New field.
3303 (Archive::nested_archives_): New field.
3304 (Archive::options_): New field.
3305 (Archive::dirpath_): New field.
3306 (Archive::task_): New field.
3307 * readsyms.cc (Read_symbols::do_read_symbols): Add check
3308 for thin archives. Pass additional parameters to
3309 Archive::Archive. Unlock the archive file after calling
3312 2008-03-29 Ian Lance Taylor <iant@google.com>
3314 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
3315 version symbol to be local.
3316 * testsuite/ver_test_4.sh: New file.
3317 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
3318 (check_DATA): Add ver_test_4.syms.
3319 (ver_test_4.syms): New target.
3320 * testsuite/Makefile.in: Rebuild.
3323 (Output_section::Input_section_sort_entry::has_priority): New
3325 (Output_section::Input_section_sort_entry::match_file_name): New
3327 (Output_section::Input_section_sort_entry::match_section_name):
3329 (Output_section::Input_section_sort_entry::match_section_name_prefix):
3331 (Output_section::Input_section_sort_entry::match_section_file):
3333 (Output_section::Input_section_sort_compare::operator()): Rewrite
3334 using new Input_section_sort_entry functions. Sort crtbegin and
3335 crtend first. Sort sections with no priority before sections with
3337 * testsuite/initpri1.c (d3): Check j != 4.
3338 (cd5): New constructor/destructor function.
3339 (main): Check j != 2.
3341 * symtab.cc (Symbol_table::add_from_object): If we don't use the
3342 new symbol when resolving, don't call set_is_default.
3343 * testsuite/ver_test_7.cc: New file.
3344 * testsuite/ver_test_7.sh: New file.
3345 * testsuite/Makefile.am (ver_test_7.so): New target.
3346 (ver_test_7.o): New target.
3347 (check_SCRIPTS): Add ver_test_7.sh.
3348 (check_DATA): Add ver_test_7.syms.
3349 (ver_test_7.syms): New target.
3351 2008-03-28 Ian Lance Taylor <iant@google.com>
3353 * layout.cc (Layout::layout): If we see an input section with a
3354 name that needs sorting, set the must_sort flag for the output
3356 (Layout::make_output_section): If the name of the output section
3357 indicates that it might require sorting, set the may_sort flag.
3358 * output.h (Output_section::may_sort_attached_input_sections): New
3360 (Output_section::set_may_sort_attached_input_sections): New
3362 (Output_section::must_sort_attached_input_sections): New
3364 (Output_section::set_must_sort_attached_input_sections): New
3366 (class Output_section): Declare Input_section_sort_entry. Define
3367 Input_section_sort_compare. Declare
3368 sort_attached_input_sections. Add new fields:
3369 may_sort_attached_input_sections_,
3370 must_sort_attached_input_sections_,
3371 attached_input_sections_are_sorted_.
3372 * output.cc (Output_section::Output_section): Initialize new
3374 (Output_section::add_input_section): Add an entry to
3375 input_sections_ if may_sort or must_sort are true.
3376 (Output_section::set_final_data_size): Call
3377 sort_attached_input_sections if necessary.
3378 (Output_section::Input_section_sort_entry): Define new class.
3379 (Output_section::Input_section_sort_compare::operator()): New
3381 (Output_section::sort_attached_input_sections): New function.
3382 * configure.ac: Check whether the compiler supports constructor
3383 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
3384 * testsuite/initpri1.c: New file.
3385 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
3386 CONSTRUCTOR_PRIORITY.
3387 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
3388 (initpri1_LDFLAGS): New variable.
3389 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3391 2008-03-27 Ian Lance Taylor <iant@google.com>
3393 * common.cc (Sort_commons::operator): Correct sorting algorithm.
3394 * testsuite/common_test_1.c: New file.
3395 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
3396 (common_test_1_SOURCES): New variable.
3397 (common_test_1_DEPENDENCIES): New variable.
3398 (common_test_1_LDFLAGS): New variable.
3400 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
3401 and commons_ correctly when NAME/VERSION does not override
3403 * testsuite/ver_test_6.c: New file.
3404 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
3405 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
3406 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
3408 2008-03-26 Ian Lance Taylor <iant@google.com>
3410 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
3411 of an undefined symbol from a version script.
3412 * testsuite/Makefile.am (ver_test_5.so): New target.
3413 (ver_test_5.o): New target.
3414 (check_SCRIPTS): Add ver_test_5.sh.
3415 (check_DATA): Add ver_test_5.syms.
3416 (ver_test_5.syms): New target.
3417 * testsuite/ver_test_5.cc: New file.
3418 * testsuite/ver_test_5.script: New file.
3419 * testsuite/ver_test_5.sh: New file.
3420 * Makefile.in, testsuite/Makefile.in: Rebuild.
3423 Fix problems building gold with gcc 4.3.0.
3424 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
3425 (gold_error_at_location, gold_warning_at_location): Use it.
3426 * configure.ac: Check whether we can compile and use a template
3427 function with a printf attribute.
3428 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
3429 when jumping over bytes.
3430 * object.cc: Instantiate Object::read_section_data.
3431 * debug.h: Include <cstring>
3432 * dwarf_reader.cc: Include <algorithm>
3433 * main.cc: Include <cstring>.
3434 * options.cc: Include <cstring>.
3435 * output.cc: Include <cstring>.
3436 * script.cc: Include <cstring>.
3437 * script.h: Include <string>.
3438 * symtab.cc: Include <cstring> and <algorithm>.
3439 * target-select.cc: Include <cstring>.
3440 * version.cc: Include <string>.
3441 * testsuite/testmain.cc: Include <cstdlib>.
3442 * configure, config.in: Rebuild.
3444 2008-03-25 Ian Lance Taylor <iant@google.com>
3446 * options.cc: Include "../bfd/bfdver.h".
3447 (options::help): Print bug reporting address.
3449 * version.cc (print_version): Adjust output for current value of
3454 * options.cc (options::help): Print list of supported targets.
3455 * target-select.h: Include <vector>.
3456 (class Target_selector): Make machine_, size_, and is_big_endian_
3457 fields const. Add bfd_name_ and instantiated_target_ fields.
3458 (Target_selector::Target_selector): Add bfd_name parameter.
3459 (Target_selector::recognize): Make non-virtual, call
3461 (Target_selector::recognize_by_name): Make non-virtual, call
3462 do_recognize_by_name.
3463 (Target_selector::supported_names): New function.
3464 (Target_selector::bfd_name): New function.
3465 (Target_selector::do_instantiate_target): New pure virtual
3467 (Target_selector::do_recognize): New virtual function.
3468 (Target_selector::do_recognize_by_name): New virtual function.
3469 (Target_selector::instantiate_target): New private function.
3470 (supported_target_names): Declare.
3471 * target-select.cc (Target_selector::Target_selector): Update for
3472 new parameter and fields.
3473 (select_target_by_name): Check that the name matches before
3474 calling recognize_by_name.
3475 (supported_target_names): New function.
3476 * i386.cc (class Target_selector_i386): Update Target_selector
3477 constructor call. Remove recognize and recognize_by_name. Add
3478 do_instantiate_target.
3479 * x86_64.cc (class Target_selector_x86_64): Likewise.
3480 * testsuite/testfile.cc (class Target_selector_test): Update for
3481 changes to Target_selector.
3483 * README: Rewrite, with some notes on unsupported features.
3485 2008-03-24 Cary Coutant <ccoutant@google.com>
3487 * i386.cc (Target_i386::Got_type): New enum declaration.
3488 (Target_i386::Scan::local): Updated callers of Output_data_got
3490 (Target_i386::Scan::global): Likewise.
3491 (Target_i386::Relocate::relocate): Likewise.
3492 (Target_i386::Relocate::relocate_tls): Likewise.
3493 * object.h (Got_offset_list): New class.
3494 (Sized_relobj::local_has_got_offset): Added got_type parameter.
3495 (Sized_relobj::local_got_offset): Likewise.
3496 (Sized_relobj::set_local_got_offset): Likewise.
3497 (Sized_relobj::local_has_tls_got_offset): Removed.
3498 (Sized_relobj::local_tls_got_offset): Removed.
3499 (Sized_relobj::set_local_tls_got_offset): Removed.
3500 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
3501 * output.cc (Output_data_got::add_global): Added got_type parameter.
3502 (Output_data_got::add_global_with_rel): Likewise.
3503 (Output_data_got::add_global_with_rela): Likewise.
3504 (Output_data_got::add_global_pair_with_rel): New function.
3505 (Output_data_got::add_global_pair_with_rela): New function.
3506 (Output_data_got::add_local): Added got_type parameter.
3507 (Output_data_got::add_local_with_rel): Likewise.
3508 (Output_data_got::add_local_with_rela): Likewise.
3509 (Output_data_got::add_local_pair_with_rel): New function.
3510 (Output_data_got::add_local_pair_with_rela): New function.
3511 (Output_data_got::add_global_tls): Removed.
3512 (Output_data_got::add_global_tls_with_rel): Removed.
3513 (Output_data_got::add_global_tls_with_rela): Removed.
3514 (Output_data_got::add_local_tls): Removed.
3515 (Output_data_got::add_local_tls_with_rel): Removed.
3516 (Output_data_got::add_local_tls_with_rela): Removed.
3517 * output.h (Output_data_got::add_global): Added got_type parameter.
3518 (Output_data_got::add_global_with_rel): Likewise.
3519 (Output_data_got::add_global_with_rela): Likewise.
3520 (Output_data_got::add_global_pair_with_rel): New function.
3521 (Output_data_got::add_global_pair_with_rela): New function.
3522 (Output_data_got::add_local): Added got_type parameter.
3523 (Output_data_got::add_local_with_rel): Likewise.
3524 (Output_data_got::add_local_with_rela): Likewise.
3525 (Output_data_got::add_local_pair_with_rel): New function.
3526 (Output_data_got::add_local_pair_with_rela): New function.
3527 (Output_data_got::add_global_tls): Removed.
3528 (Output_data_got::add_global_tls_with_rel): Removed.
3529 (Output_data_got::add_global_tls_with_rela): Removed.
3530 (Output_data_got::add_local_tls): Removed.
3531 (Output_data_got::add_local_tls_with_rel): Removed.
3532 (Output_data_got::add_local_tls_with_rela): Removed.
3533 * resolve.cc (Symbol::override_base_with_special): Removed
3534 reference to has_got_offset_ field.
3535 * symtab.cc (Symbol::init_fields): Replaced initialization
3536 of got_offset_ with got_offsets_. Removed initialization
3538 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
3539 (Symbol::got_offset): Likewise.
3540 (Symbol::set_got_offset): Likewise.
3541 (Symbol::has_tls_got_offset): Removed.
3542 (Symbol::tls_got_offset): Removed.
3543 (Symbol::set_tls_got_offset): Removed.
3544 (Symbol::got_offset_): Removed.
3545 (Symbol::tls_mod_got_offset_): Removed.
3546 (Symbol::tls_pair_got_offset_): Removed.
3547 (Symbol::got_offsets_): New field.
3548 (Symbol::has_got_offset): Removed.
3549 (Symbol::has_tls_mod_got_offset): Removed.
3550 (Symbol::has_tls_pair_got_offset): Removed.
3551 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
3552 (Target_x86_64::Scan::local): Updated callers of Output_data_got
3554 (Target_x86_64::Scan::global): Likewise.
3555 (Target_x86_64::Relocate::relocate): Likewise.
3556 (Target_x86_64::Relocate::relocate_tls): Likewise.
3558 2008-03-25 Ben Elliston <bje@au.ibm.com>
3560 * yyscript.y: Fix spelling error in comment.
3562 2008-03-24 Ian Lance Taylor <iant@google.com>
3564 * options.h (class General_options): Define build_id option.
3565 * layout.h (class Layout): Declare write_build_id, create_note,
3566 create_build_id. Add build_id_note_ member.
3567 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
3568 "libiberty.h", "md5.h", "sha1.h".
3569 (Layout::Layout): Initialize eh_frame_data_,
3570 eh_frame_hdr_section_, and build_id_note_.
3571 (Layout::finalize): Call create_build_id.
3572 (Layout::create_note): New function, broken out of
3573 Layout::create_gold_note.
3574 (Layout::create_gold_note): Call create_note.
3575 (Layout::create_build_id): New function.
3576 (Layout::write_build_id): New function.
3577 (Close_task_runner::run): Call write_build_id.
3579 * x86_64.cc: Correct license to GPLv3.
3581 2008-03-23 Ian Lance Taylor <iant@google.com>
3583 * options.cc: Include "demangle.h".
3584 (parse_optional_string): New function.
3585 (parse_long_option): Handle takes_optional_argument.
3586 (parse_short_option): Update dash_z initializer. Handle
3587 takes_optional_argument.
3588 (General_options::General_options): Initialize do_demangle_.
3589 (General_options::finalize): Set do_demangle_. Handle demangling
3591 * options.h (parse_optional_string): Declare.
3592 (struct One_option): Add optional_arg field. Update constructor.
3593 Update call constructor calls. Add takes_optional_argument
3595 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
3596 (DEFINE_optional_string): Define.
3597 (General_options::demangle): Change from DEFINE_bool to
3598 DEFINE_optional_string.
3599 (General_options::no_demangle): New function.
3600 (General_options::do_demangle): New function.
3601 (General_options::set_do_demangle): New function.
3602 (General_options::execstack_status_): Move definition to end of
3604 (General_options::static_): Likewise.
3605 (General_options::do_demangle_): New field.
3606 * object.cc (big_endian>::get_symbol_location_info): Call
3607 Options::do_demangle, not Options::demangle.
3608 * symtab.cc (demangle): Likewise.
3610 2008-03-22 Ian Lance Taylor <iant@google.com>
3612 * gold.h: Include <cstddef> and <sys/types.h>
3613 * options.h: Include <cstring>.
3615 2008-03-21 Ian Lance Taylor <iant@google.com>
3617 * Added source code to GNU binutils.