1 2009-08-19 Cary Coutant <ccoutant@google.com>
3 * resolve.cc (Symbol_table::resolve): Don't complain about defined
4 symbols in shared libraries overridden by hidden or internal symbols
7 2009-08-19 Chris Demetriou <cgd@google.com>
9 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10 checking source file names in error messages.
12 2009-08-18 Doug Kwan <dougkwan@google.com>
14 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
15 an elcpp::Ehdr as parameter. Adjust call to set_target.
16 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
17 an elfcpp::Ehdr as parameter.
18 * object.cc (Object::set_target): Remove the version that looks up
20 (Sized_relobj::setup): Take a Target object instead of
21 an elfcpp::Ehdr as parameter. Adjust call to set_target.
22 (make_elf_sized_object): Find target and ask target to
24 * object.h: (Object::set_target): Remove the version that looks up
26 (Sized_relobj::setup): Take a Target object instead of
27 an elfcpp:Ehdr as parameter.
28 * target.cc: Include dynobj.h.
29 (Target::do_make_elf_object_implementation): New.
30 (Target::do_make_elf_object): New.
31 * target.h (Target::make_elf_object): New template declaration.
32 (Target::do_make_elf_object): New method declarations.
33 (Target::do_make_elf_object_implementation): New template declaration.
35 2009-08-14 Ian Lance Taylor <iant@google.com>
37 * gold.h (FUNCTION_NAME): Define.
38 (gold_unreachable): Use FUNCTION_NAME.
40 2009-08-12 Sriraman Tallam <tmsriram@google.com>
42 * icf.cc (Icf::find_identical_sections): Issue a warning when a
43 symbol in the --keep-unique list is not found.
45 2009-08-12 Sriraman Tallam <tmsriram@google.com>
47 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
48 been maked as --keep-unique.
49 (Icf::unfold_section): New function.
50 * icf.h (Icf::unfold_section): New function.
51 * options.h (General_options::keep_unique): New option.
52 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
53 * testsuite/Makefile.in: Regenerate.
54 * testsuite/icf_keep_unique_test.sh: New file.
55 * testsuite/icf_keep_unique_test.cc: New file.
57 2009-08-12 Cary Coutant <ccoutant@google.com>
60 * resolve.cc (Symbol_table::resolve): Check for references from
61 dynamic objects to hidden and internal symbols.
62 * testsuite/Makefile.am (hidden_test.sh): New test.
63 * testsuite/Makefile.in: Regenerate.
64 * testsuite/hidden_test.sh: New script.
65 * testsuite/hidden_test_1.c: New test source.
66 * testsuite/hidden_test_main.c: New test source.
68 2009-08-11 Doug Kwan <dougkwan@google.com>
70 * arm.cc: Update comments.
71 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
72 segment to locate the .ARM.exidx section if present.
74 2009-08-09 Doug Kwan <dougkwan@google.com>
76 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
79 2009-08-07 Sriraman Tallam <tmsriram@google.com>
80 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
83 2009-08-06 Sriraman Tallam <tmsriram@google.com>
85 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
86 valid tls_segment only for non-debug-section relocations.
87 * testsuite/Makefile.am: Add gc_tls_test.
88 * testsuite/Makefile.in: Regenerate.
89 * testsuite/gc_tls_test.cc: New file.
90 * testsuite/gc_tls_test.sh: New file.
92 2009-08-05 Sriraman Tallam <tmsriram@google.com>
96 * Makefile.am (CCFILES): Add icf.cc.
98 * Makefile.in: Regenerate.
99 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
100 * gc.h (gc_process_relocs): Populate lists used by icf to contain
101 section, symbol and addend information for the relocs.
102 * gold.cc (queue_middle_tasks): Call identical code folding.
103 * gold.h: Add defines for multimap.
104 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
105 to the call of finalize_local_symbols.
106 * main.cc (main): Create object of class Icf.
107 * object.cc (Sized_relobj::do_layout): Allow this function to be
108 called twice during icf.
109 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
110 to sections marked as identical by icf.
111 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
113 (Sized_relobj::do_section_entsize): New function.
114 * object.h (Object::section_entsize): New function.
115 (Object::do_section_entsize): New pure virtual function.
116 (Relobj::finalize_local_symbols): Add new parameter.
117 (Relobj::do_section_entsize): New function.
118 * options.h (General_options::icf): New option.
119 (General_options::icf_iterations): New option.
120 (General_options::print_icf_sections): New option.
121 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
122 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
123 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
125 * symtab.cc (Symbol_table::is_section_folded): New function.
126 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
127 to sections marked as identical by icf.
128 * symtab.h (Symbol_table::set_icf): New function.
129 (Symbol_table::icf): New function.
130 (Symbol_table::is_section_folded): New function.
131 (Symbol_table::icf_): New data member.
132 * target-reloc.h (relocate_section): Ignore sections folded by icf.
133 * testsuite/Makefile.am: Add commands to build icf_test.
134 * testsuite/Makefile.in: Regenerate.
135 * testsuite/icf_test.sh: New file.
136 * testsuite/icf_test.cc: New file.
138 2009-07-24 Chris Demetriou <cgd@google.com>
140 * layout.cc (is_compressible_debug_section): Fix incorrect
141 comment about compressed section names.
143 2009-07-20 Ian Lance Taylor <ian@airs.com>
146 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
148 2009-07-16 Ian Lance Taylor <iant@google.com>
151 * layout.h: #include <map>.
152 (class Kept_section): Change from struct to class. Add accessors
153 and setters. Add section size to Comdat_group mapping. Change
154 Comdat_group to std::map. Add is_comdat_ field. Add
155 linkonce_size field in union.
156 (class Layout): Update declaration of find_or_add_kept_section.
157 Don't declare find_kept_object.
158 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
159 parameter. Add object, shndx, is_comdat, and is_group_name
160 parameters. Change all callers. Adjust for new Kept_section.
161 (Layout::find_kept_object): Remove.
162 * object.cc (Sized_relobj::include_section_group): Update use of
163 Kept_section. Rename secnum to shndx. Only record
164 Kept_comdat_section if sections are the same size.
165 (Sized_relobj::include_linkonce_section): Update use of
166 Kept_section. Only record Kept_comdat_section if sections are the
167 same size. Set size of linkonce section.
168 (Sized_relobj::map_to_kept_section): Update call to
169 get_kept_comdat_section.
170 * object.h (class Sized_relobj): Rename fields in
171 Kept_comdat_section to drop trailing underscores; change object
172 field to Relobj*. Change Kept_comdat_section_table to store
173 struct rather than pointer.
174 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
175 Add kept_object and kept_shndx parameters. Change all callers.
176 (Sized_relobj::get_kept_comdat_section): Change return type to
177 bool. Add kept_object and kept_shndx parameters. Change all
179 * plugin.cc (Pluginobj::include_comdat_group): Update call to
180 Layout::find_or_add_kept_section.
182 2009-07-09 Ian Lance Taylor <iant@google.com>
184 * merge.cc (Object_merge_map::initialize_input_to_output_map):
185 Reserve space in the hash table.
187 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
189 * fileread.cc (File_read::get_mtime): New method.
190 * fileread.h (Timespec): New structure.
191 (File_read::get_mtime): New method.
192 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
193 Renamed from timestamp_nsec.
194 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
196 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
198 (Incremental_inputs::report_archive): Save mtime; style fix.
199 (Incremental_inputs::report_obejct): Save mtime; style fix.
200 (Incremental_inputs::report_script): Save mtime; style fix.
201 (Incremental_inputs::finalize_inputs): Style fix.
202 (Incremental_inputs::finalize): Style fix.
203 (Incremental_inputs::create_input_section_data): Store inputs
205 * incremental.h (Incremental_inputs::report_script): Add mtime
207 (Incremental_inputs::Input_info::Input_info): Intialize only one
209 (Incremental_inputs::Input_info::archive): Move to nameless
211 (Incremental_inputs::Input_info::obejct): Move to nameless union.
212 (Incremental_inputs::Input_info::script): Move to nameless union.
213 (Incremental_inputs::mtime): New field.
214 * script.cc (read_input_script): Pass file mtime to
216 * script.h (Script_info::inputs): Style fix.
218 2009-07-01 Ian Lance Taylor <ian@airs.com>
220 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
223 2009-06-24 Ian Lance Taylor <iant@google.com>
226 * layout.cc (Layout::choose_output_section): If we find an
227 existing section, update the flags.
228 (Layout::create_notes): New function, broken out of
230 (Layout::finalize): Don't create note sections.
231 (Layout::create_note): Don't crash if linker script discards
233 (Layout::create_gold_note): Likewise.
234 (Layout::create_build_id): Likewise. Don't set
235 after_input_sections on the section.
236 (Layout::create_executable_stack_info): Remove target parameter.
238 * layout.h (class Layout): Declare create_notes. Update
239 declaration of create_executable_stack_info.
240 * gold.cc (queue_middle_tasks): Call create_notes.
241 * output.cc (Output_section::update_flags_for_input_section): Move
242 here from output.h. If SHF_ALLOC flag is newly set, mark address
244 * output.h (Output_data::mark_address_invalid): New function.
245 (class Output_section): Only declare, not define,
246 update_flags_for_input_section. Remove set_flags.
248 2009-06-24 Ian Lance Taylor <iant@google.com>
250 * script-sections.cc (Output_section_definition::
251 set_section_addresses): Rename shadowing local load_address to
254 2009-06-24 Ian Lance Taylor <iant@google.com>
257 * reloc.cc (relocate_sections): Skip empty relocation sections.
259 2009-06-23 Ian Lance Taylor <iant@google.com>
262 * layout.cc (Layout::create_note): Use choose_output_section
263 rather than make_output_section.
265 2009-06-23 Ian Lance Taylor <iant@google.com>
268 * options.cc (General_options::parse_V): Set printed_version_.
269 (General_options::General_options): Initialize printed_version_.
270 * options.h (class General_options): Add printed_version_ field.
271 * gold.cc (queue_initial_tasks): If there are no input files,
272 don't give a fatal error if we printed the version information.
273 (queue_middle_tasks): If using -r with a shared object, give a
274 fatal error rather than an ordinary error.
276 2009-06-23 Ian Lance Taylor <iant@google.com>
279 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
280 (Layout::make_output_section): Set have_stabstr_section_ if we see
282 (Layout::finalize): Call link_stabs_sections.
283 (Layout::link_stabs_sections): New file.
284 * layout.h (class Layout): Add have_stabstr_section_ field.
285 Declare link_stabs_sections.
287 2009-06-23 Doug Kwan <dougkwan@google.com>
289 * Makefile.am (libgold_a_LIBADD): New.
290 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
291 * Makefile.in: Regenerate.
292 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
293 * configure: Regenerate.
294 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
295 * fileread.cc: Include sys/state.h
296 * gold.h: Declare memmem and strndup if found missing.
297 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
299 2009-06-23 Ian Lance Taylor <iant@google.com>
301 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
302 * configure: Rebuild.
304 2009-06-23 Ian Lance Taylor <iant@google.com>
307 * object.cc (Object::section_contents): Don't try to get a view if
308 the section has length zero.
309 (Object::handle_gnu_warning_section): If the section is empty, use
310 the name of the section as the warning.
312 2009-06-23 Ian Lance Taylor <iant@google.com>
315 * stringpool.h (class Stringpool_template): Add optimize_ field.
316 (Stringpool_template::set_optimize): New function.
317 * stringpool.cc (Stringpool_template::Stringpool_template):
318 Initialize optimize_ field.
319 (Stringpool_template::set_string_offsets): Test local optimize
320 fild rather than parameter.
321 * layout.cc (Layout::Layout): Call set_optimize on the section
324 2009-06-22 Ian Lance Taylor <iant@google.com>
327 * yyscript.y: Parse TARGET.
328 * script.cc (script_set_target): New function.
329 * script-c.h (script_set_target): Declare.
330 * options.cc (General_options::string_to_object_format): Rename
331 from string_to_object_format in anonymous namespace. Change
333 * options.h (class General_options): Declare
334 string_to_object_format.
336 2009-06-22 Ian Lance Taylor <iant@google.com>
338 * script-sections.cc (Script_sections::create_segments): Don't put
339 program headers in a PT_LOAD segment if -n or -N.
341 2009-06-22 Ian Lance Taylor <iant@google.com>
344 * options.h (class General_options): Add -z lazy and -z now. Sort
345 -z options into alphabetical order.
346 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
348 2009-06-21 Ian Lance Taylor <iant@google.com>
350 * layout.cc (Layout::make_output_section): Call
351 Target::new_output_section.
352 (Layout::attach_allocated_section_to_segment): Put large section
353 sections in a separate load segment with the large segment flag
355 (Layout::segment_precedes): Sort large data segments after other
357 (align_file_offset): New static function.
358 (Layout::set_segment_offsets): Use align_file_offset.
359 * output.h (class Output_section): Add is_small_section_ and
360 is_large_section_ fields.
361 (Output_section::is_small_section): New function.
362 (Output_section::set_is_small_section): New function.
363 (Output_section::is_large_section): New function.
364 (Output_section::set_is_large_section): New function.
365 (Output_section::is_large_data_section): New function.
366 (class Output_segment): Add is_large_data_segment_ field.
367 (Output_segment::is_large_data_segment): New function.
368 (Output_segment::set_is_large_data_segment): New function.
369 * output.cc (Output_section::Output_section): Initialize new
371 (Output_segment::Output_segment): Likewise.
372 (Output_segment::add_output_section): Add assertion that large
373 data sections always go in large data segments. Force small data
374 sections to the end of the list of data sections. Force small BSS
375 sections to the start of the list of BSS sections. For large BSS
376 sections to the end of the list of BSS sections.
377 * symtab.h (class Symbol): Declare is_common_shndx.
378 (Symbol::is_defined): Check Symbol::is_common_shndx.
379 (Symbol::is_common): Likewise.
380 (class Symbol_table): Define enum Commons_section_type. Update
381 declarations. Add small_commons_ and large_commons_ fields.
382 * symtab.cc (Symbol::is_common_shndx): New function.
383 (Symbol_table::Symbol_table): Initialize new fields.
384 (Symbol_table::add_from_object): Put small and large common
385 symbols in the right list.
386 (Symbol_table::sized_finalized_symbol): Check
387 Symbol::is_common_shndx.
388 (Symbol_table::sized_write_globals): Likewise.
389 * common.cc (Symbol_table::do_allocate_commons): Allocate new
390 common symbol lists. Don't call do_allocate_commons_list if the
392 (Symbol_table::do_allocate_commons_list): Remove is_tls
393 parameter. Add comons_section_type parameter. Change all
394 callers. Handle small and large common symbols.
395 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
396 Symbol::is_common_shndx.
397 * resolve.cc (symbol_to_bits): Likewise.
398 * target.h (Target::small_common_shndx): New function.
399 (Target::small_common_section_flags): New function.
400 (Target::large_common_shndx): New function.
401 (Target::large_common_section_flags): New function.
402 (Target::new_output_section): New function.
403 (Target::Target_info): Add small_common_shndx, large_common_shndx,
404 small_common_section_flags, and large_common_section_flags
406 (Target::do_new_output_section): New virtual function.
407 * arm.cc (Target_arm::arm_info): Initialize new fields.
408 * i386.cc (Target_i386::i386_info): Likewise.
409 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
411 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
412 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
413 (Target_x86_64::do_new_output_section): New function.
414 * configure.ac: Define conditional MCMODEL_MEDIUM.
415 * testsuite/Makefile.am (check_PROGRAMS): Add large.
416 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
417 (large_LDFLAGS): Define.
418 * testsuite/large.c: New file.
419 * testsuite/testfile.cc (Target_test::test_target_info):
420 Initialize new fields.
421 * configure, testsuite/Makefile.in: Rebuild.
423 2009-06-05 Doug Kwan <dougkwan@google.com>
425 * Makefile.am (CCFILES): Add target.cc.
426 * Makefile.in: Regenerate.
427 * i386.cc (class Target_i386): Define new virtual method to
428 override do_is_local_label_name in parent.
429 * object.cc (Sized_relobj::do_count_local_symbols): Discard
430 local symbols if --discard-locals or -X is given.
431 * options.h (class General_options): Declare new options
432 '--discard-locals' and '-X' for discarding locals.
433 * target.h (class Target): Define new methods is_local_label_name.
434 Declare new virtual method do_is_local_label_name.
435 * target.cc: New file.
436 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
437 (check_SCRIPTS): Add discard_locals_test.sh.
438 (check_DATA): Add discard_local_tests.syms.
439 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
440 (discard_local_tests.syms, discard_locals_test.o): New make rules.
441 * testsuite/Makefile.in: Regenerate.
442 * testsuite/discard_locals_test.c: New file.
443 * testsuite/discard_locals_test.sh: Same.
445 2009-06-05 Doug Kwan <dougkwan@google.com>
447 * object.cc (Sized_relobj::Sized_relobj): Initialize
448 discarded_eh_frame_shndx_ to -1U.
449 (Sized_relobj::do_layout): Record index of a discard .eh_frame
451 (Sized_relobj::do_count_local_symbols): Skip local symbols in
452 a discarded .eh_frame section.
453 (Sized_relobj::do_finalize_local_symbols): Ditto.
454 * object.h (class Sized_relobj): Declare new member
455 discarded_eh_frame_shndx_.
456 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
457 (local_labels_test.o, local_labels_test): New rules.
458 * testsuite/Makefile.in: Regenerate.
460 2009-06-04 Doug Kwan <dougkwan@google.com>
462 * layout.cc (Layout::section_name_mapping): Add mapping for
463 special ARM sections.
465 2009-06-03 Doug Kwan <dougkwan@google.com>
467 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
468 (utils::has_overflow): Same.
470 2009-06-03 Ian Lance Taylor <iant@google.com>
472 * layout.cc (Layout::section_name_mapping): New array, replacing
473 Layout::linkonce_mapping.
474 (Layout::section_name_mapping_count): New variable, replacing
475 Layout::linkonce_mapping_count.
476 (Layout::linkonce_output_name): Remove.
477 (Layout::output_section_name): Rewrite.
478 * layout.h (class Layout): Rename Linkonce_mapping to
479 Section_name_mapping, linkonce_mapping to section_name_mapping,
480 linkonce_mapping_count to section_name_mapping_count. Don't
481 declare linkonce_output_name.
483 2009-06-03 Doug Kwan <dougkwan@google.com>
485 * gold/arm.cc (namespace utils): New.
486 (Target_arm::reloc_is_non_pic): Define new method.
487 (class Arm_relocate_functions): New.
488 (Target_arm::Relocate::relocate): Handle relocation types used by
491 2009-06-03 Ian Lance Taylor <iant@google.com>
493 * arm.cc (Target_arm::scan::global): Use || instead of |.
495 2009-06-02 Doug Kwan <dougkwan@google.com>
497 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
498 issued_non_pic_error_.
499 (class Target_arm::Scan): Declare new method check_non_pic.
500 Define new method symbol_needs_plt_entry.
501 Declare new data member issued_non_pic_error_.
502 (class Target_arm::Relocate): Declare new method
503 should_apply_static_reloc.
504 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
505 (Target_arm::Scan::check_non_pic): Define new method.
506 (Target_arm::Scan::local): Handle a small subset of reloc types used
508 (Target_arm::Scan::local): Same.
509 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
511 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
513 * incremental.cc (Incremental_inputs::report_command_line): Filter
514 out --incremental-* options.
516 2009-05-29 Doug Kwan <dougkwan@google.com>
518 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
520 (class Target_arm): Update comment.
521 (Target_arm::Target_arm): Initialize new data members GOT_,
522 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
523 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
524 and Target_arm::rel_dyn_section.
525 Declare new_enum Target_arm::Got_type.
526 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
528 Update commments for member do_dynsym_value.
529 (Target_arm::got_size, Target_arm::plt_section,
530 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
531 new methods inside class defintion.
532 (Target_arm::got_section): Define new method.
533 (Target_arm::rel_dyn_section): Same.
534 (Output_data_plt_arm): New template class.
535 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
536 (Output_data_plt_arm:do_adjust_output_section): Define new method.
537 (Output_data_plt_arm::add_entry): Same.
538 (Output_data_plt_arm::first_plt_entry): Define new
539 static data member for PLT instruction template.
540 (Output_data_plt_arm::plt_entry): Same.
541 (Output_data_plt_arm::do_write): Define new method.
542 (Target_arm::make_plt_entry): Same.
543 (Target_arm::do_finalize_sections): Same.
544 (Target_arm::do_dynsym_value): Same.
546 2009-05-28 Doug Kwan <dougkwan@google.com>
548 * Makefile.am (TARGETSOURCES): Add arm.cc.
549 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
550 * Makefile.in: Regenerate.
552 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
554 2009-05-26 Doug Kwan <dougkwan@google.com>
556 * options.cc (General_options::parse_exclude_libs). Fix a comment.
557 (General_options::check_excluded_libs): Strip off directories in
558 archive name before matching like GNU ld does.
559 * testsuite/Makefile.am (MOSTLYCLEANFILES,
560 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
561 (exclude_libs_test_LDFLAGS): Add linker option
562 -Wl,--exclude-libs,libexclude_libs_test_3
563 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
564 an explicit archive without using -l.
565 (alt/libexclude_libs_test_3.a): New make rule.
566 * testsuite/Makefile.in: Regenerate.
567 * testsuite/exclude_libs_test.c : Declare lib3_default().
569 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
570 * exclude_libs_test_3.c: New file.
572 2009-05-26 Nick Clifton <nickc@redhat.com>
574 * po/id.po: New Indonesian translation.
575 * po/gold.pot: Updated template file.
577 2009-05-22 Sriraman Tallam <tmsriram@google.com>
579 * testsuite/Makefile.am: Add -ffunction-sections to compile
580 gc_comdat_test files. Add -Wl,--gc-sections to build
582 * testsuite/Makefile.in: Regenerate.
583 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
585 2009-05-21 Sriraman Tallam <tmsriram@google.com>
587 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
588 kept comdat section was garbage collected.
589 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
590 * testsuite/Makefile.in: Regenerate.
591 * testsuite/gc_comdat_test.sh: New file.
592 * testsuite/gc_comdat_test_1.cc: New file.
593 * testsuite/gc_comdat_test_2.cc: New file.
595 2009-05-19 Doug Kwan <dougkwan@google.com>
597 * archive.cc (Archive::Archive): Move constructor from archive.h
598 to here. Initialize no_export_.
599 (Archive::get_elf_object_for_member): Set no_export flag of object.
600 * archive.h (Archive::Archive): Move constructor body to
602 (Archive::no_export): New method.
603 (Archive::no_export_): New field.
604 * object.h (Object::Object): Initialize no_export_ to false.
605 (Object::no_export, Object::set_no_export): New methods.
606 (Object::no_export_): New field.
607 * options.cc (General_options::parse_exclude_libs): New method.
608 (General_options::check_excluded_libs) Same.
609 * options.h (exclude_libs): New option.
610 (General_options::check_excluded_libs): New method declaration.
611 (General_options::excluded_libs_): New field.
612 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
613 default or protected visibility if an object has no-export flag set.
614 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
615 (check_SCRIPTS): Add exclude_libs_test.sh.
616 (check_DATA): Add exclude_libs_test.syms.
617 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
618 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
619 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
620 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
621 (exclude_libs_test.syms, libexclude_libs_test_1.a,
622 libexclude_libs_test_2.a): New rules.
623 * testsuite/Makefile.in: Regenerate.
624 * testsuite/exclude_libs_test.c: New file.
625 * testsuite/exclude_libs_test.sh: Ditto.
626 * testsuite/exclude_libs_test_1.c: Ditto.
627 * testsuite/exclude_libs_test_2.c: Ditto.
629 2009-05-15 Ian Lance Taylor <iant@google.com>
631 * configure.ac: Check for declarations for cases where libiberty.h
632 checks HAVE_DECL_xxx.
633 * configure, config.in: Rebuild.
635 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
637 * gold.h (Incremental_argument_list): Remove (invalid) forward
639 * incremental.cc (Incremental_inputs::report_achive): New method.
640 (Incremental_inputs::report_object): New method.
641 (Incremental_inputs::report_script): New method.
642 (Incremental_inputs::finalize_inputs): New method.
643 (Incremental_inputs::finalize): Call finalize_inputs().
644 (Incremental_inputs::sized_create_incremental_inputs_section_data):
645 Create inputs entries.
646 * incremental.h (Incremental_input_type): New enum.
647 (Incremental_inputs::Incremental_input): Initialize new fields.
648 (Incremental_inputs::report_inputs): New method.
649 (Incremental_inputs::report_achive): New method.
650 (Incremental_inputs::report_object): New method.
651 (Incremental_inputs::report_script): New method.
652 (Incremental_inputs::finalize_inputs): New method.
653 (Incremental_inputs::Input_info): New struct.
654 (Incremental_inputs::Input_info_map): New typedef.
655 (Incremental_inputs::lock_): New field.
656 (Incremental_inputs::Inputs_): New field.
657 (Incremental_inputs::Inputs_map): New field.
658 * main.cc (main): Call Incremental_input::report_inputs.
659 * options.h (Input_argument_list): Typedef moved from
661 (Input_file_group::Files): Remove, use ::Input_argument_list.
662 (Input_file_group::Input_argument_list): Remove, use
663 ::Input_argument_list.
664 * plugin.cc (Plugin_manager::add_input_file): Add error in
666 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
668 * script.cc (read_input_script): Call
669 Incremental_input::report_script.
670 * script.h (Script_info): New class.
672 2009-04-27 Ian Lance Taylor <iant@google.com>
674 * x86_64.cc (do_adjust_output_section): Set entsize to
677 2009-04-23 Elliott Hughes <enh@google.com>
679 * output.cc (Output_file::close): After short writes, continue
680 writing from the correct offset in the buffer being written.
682 2009-04-23 Chris Demetriou <cgd@google.com>
684 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
685 * configure: Regenerate.
686 * config.in: Regenerate.
687 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
688 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
690 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
692 * incremental.cc (Incremental_inputs_header_data): Renamed from
693 Incremental_input_header_data.
694 (Incremental_inputs_header_data::data_size): New field.
695 (Incremental_inputs_header_data::put_input_file_count): Renamed
696 from input_file_count.
697 (Incremental_inputs_header_data::put_command_line_offset): Renamed
698 from command_line_offset.
699 (Incremental_inputs_header_data::put_reserved): Renamed from
701 (Incremental_inputs_entry_data): Renamed from
702 Incremental_input_entry_data.
703 (Incremental_inputs_entry_data::data_size): New field.
704 (Incremental_inputs::report_command_line): New method.
705 (Incremental_inputs::finalize): New method.
706 (Incremental_inputs::create_incremental_inputs_data): New method.
707 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
708 * incremental.h: New file.
709 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
710 (Layout::finalize): Create incremental inputs section in
712 (Layout::create_incremental_info_sections): New method.
713 * layout.h (Layout::incremental_inputs): New method.
714 (Layout::create_incremental_info_sections): New method.
715 (Layout::incremental_inputs_): New field.
716 * main.cc (main): Notify Incremental_input of the command line.
718 2009-04-01 Ian Lance Taylor <iant@google.com>
719 Mikolaj Zalewski <mikolajz@google.com>
721 * gold.h (reserve_unordered_map): Define, three versions, one for
722 each version of Unordered_map.
723 * layout.cc (Layout::Layout): Remove options parameter. Add
724 number_of_input_files parameter. Don't initialize options_.
725 Initialize number_of_input_files_ and resized_signatures_. Move
726 sections_are_attached_.
727 (Layout::layout_group): Reserve space for group_signatures_.
728 (Layout::find_or_add_kept_section): Change name parameter to be a
729 reference. Resize signatures_ map when it gets large enough.
730 (Layout::layout_eh_frame): Use parameters->options() instead of
732 (Layout::make_output_section): Likewise.
733 (Layout::attach_allocated_section_to_segment): Likewise.
734 (Layout::finalize, Layout::create_executable_stack): Likewise.
735 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
736 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
737 * layout.h (class Layout): Update declarations. Remove options_
738 field. Add number_of_input_files_ and resized_signatures_
739 fields. Move sections_are_attached_ field.
740 * main.cc (main): Pass number of input files to Layout
741 constructor. Don't pass options.
743 2009-03-30 Ian Lance Taylor <iant@google.com>
745 * ffsll.c (ffsll): Correct implementation.
747 2009-03-27 Ian Lance Taylor <iant@google.com>
750 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
751 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
752 * ftruncate.c (ftruncate): Declare before definition.
753 * mremap.c (mremap): Likewise.
754 * pread.c (pread): Likewise.
755 * configure, Makefile.in, config.in: Rebuild.
757 * mremap.c: New file.
758 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
759 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
760 (mremap): Declare if HAVE_MREMAP is not defined.
761 * configure, Makefile.in, config.in: Rebuild.
763 2009-03-27 Cary Coutant <ccoutant@google.com>
765 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
766 position independent.
767 * sparc.cc (Target_sparc::check_non_pic): Likewise.
768 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
770 2009-03-24 Cary Coutant <ccoutant@google.com>
772 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
774 (needs_dynamic_reloc): Likewise.
776 2009-03-24 Ian Lance Taylor <iant@google.com>
778 * yyscript.y (file_cmd): Recognize EXTERN.
779 (extern_name_list, extern_name_list_body): New nonterminals.
780 * script.cc (script_add_extern): Define.
781 * script-c.h (script_add_extern): Declare.
783 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
785 * object.cc (is_elf_object): Define.
786 * object.h (is_elf_object): Declare.
787 * archive.cc (Archive::get_elf_object_for_member): Call
789 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
791 2009-03-24 Elliott Hughes <enh@google.com>
793 * output.cc (Output_file::map_anonymous): Define.
794 (Output_file::map): Use map_anonymous. If the regular mmap fails,
795 try an anonymous one. Report the size if the mmap fails.
796 * output.h (class Output_file): Declare map_anonymous.
798 2009-03-24 Ian Lance Taylor <iant@google.com>
800 * target-select.cc (instantiate_target): Don't acquire the lock if
801 the instantiated_target_ field has already been set.
803 2009-03-23 Ian Lance Taylor <iant@google.com>
805 * gold-threads.h (class Initialize_lock): Define.
806 * gold-threads.cc (class Initialize_lock_once): Define.
807 (initialize_lock_control): New static variable.
808 (initialize_lock_pointer): New static variable.
809 (initialize_lock_once): New static function.
810 (Initialize_lock::Initialize_lock): Define.
811 (Initialize_lock::initialize): Define.
812 * target-select.h: Include "gold-threads.h".
813 (class Target_selector): Add lock_ and initialize_lock_ fields.
814 Don't define instantiate_target, just declare it.
815 * target-select.cc (Target_selector::Target_selector): Initialize
817 (Target_selector::instantiate_target): Define.
818 * descriptors.h: Include "gold-threads.h".
819 (class Descriptors): Add initialize_lock_ field.
820 * descriptors.cc (Descriptors::Descriptors): Initialize new
822 (Descriptors::open): Use initialize_lock_ field
823 * errors.h (class Errors): Add initialize_lock_ field.
824 * errors.cc (Errors::Errors): Initialize new field.
825 (Errors::initialize_lock): Use initialize_lock_ field.
826 * powerpc.cc (class Target_selector_powerpc): Remove
827 instantiated_target_ field. In do_recognize call
828 instantiate_target rather than do_instantiate_target. In
829 do_instantiate_target just allocate a new target.
830 * sparc.cc (class Target_selector_sparc): Likewise.
832 * freebsd.h: New file.
833 * i386.cc: Include "freebsd.h".
834 (Target_i386): Derive from Target_freebsd rather than
836 (Target_selector_i386): Derive from Target_selector_freebsd rather
837 than Target_selector.
838 * x86_64.cc: Include "freebsd.h".
839 (Target_x86_64): Derive from Target_freebsd rather than
841 (Target_selector_x86_64): Derive from Target_selector_freebsd
842 rather than Target_selector.
843 * target.h (class Target): Add adjust_elf_header and
844 do_adjust_elf_header.
845 * output.cc (Output_file_header:: do_sized_write): Call target
846 adjust_elf_header routine.
847 * configure.tgt: Set targ_osabi.
848 * configure.ac: Define GOLD_DEFAULT_OSABI.
849 * parameters.cc (Parameters::default_target): Pass
850 GOLD_DEFAULT_OSABI to select_target.
851 * target-select.h (class Target_selector): Make instantiate_target
852 protected rather than private.
853 * Makefile.am (HFILES): Add freebsd.h.
854 * configure, Makefile.in, config.in: Rebuild.
856 * merge.cc (do_add_input_section): Correct pend value. Change
857 message about last entry not being null terminated from error to
860 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
862 * incremental.cc: New file.
863 * Makefile.am (CCFILES): Add incremental.cc.
864 * Makefile.in: Rebuild.
866 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
868 * layout.cc (Layout::output_section_name): Preserve names
869 of '.note.' sections.
871 2009-03-19 Ian Lance Taylor <iant@google.com>
873 * descriptors.cc (Descriptors::open): Check that the options are
874 valid before using them.
876 2009-03-18 Ian Lance Taylor <iant@google.com>
878 * script-sections.h: Include <list>.
879 (class Script_sections): Change Sections_elements from std::vector
880 to std::list. Typedef public Elements_iterator. Add
881 orphan_section_placement_, data_segment_align_start_, and
882 saw_data_segment_align_ fields. Remove data_segment_align_index_
884 * script-sections.cc (class Orphan_section_placement): New class.
885 (class Sections_element): Add virtual functions is_relro and
886 orphan_section_init. Remove virtual function place_orphan_here.
887 (class Output_section_definition): Add is_relro and
888 orphan_section_init. Remove place_orphan_here.
889 (class Orphan_output_section): Likewise.
890 (Script_sections::Script_sections): Update for field changes.
891 (Script_sections::data_segment_align): Set saw_data_segment_align_
892 and data_segment_align_start_, not data_segment_align_index.
893 (Script_sections::data_segment_relro_end): Check
894 saw_data_segment_align_. Use data_segment_align_start_ rather
895 than data_segment_align_index_.
896 (Script_sections::place_orphan): Rewrite to use
897 Orphan_section_placement.
899 2009-03-17 Ian Lance Taylor <iant@google.com>
901 * archive.cc (Archive::add_symbols): Check for a version attached
902 to the symbol name in the archive map.
903 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
904 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
905 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
906 (ver_test_11.a): New target.
907 * testsuite/Makefile.in: Rebuild.
909 * configure.ac: Check for chsize and posix_fallocate. Replace
911 * ftruncate.c: New file, from gnulib.
912 * output.cc (posix_fallocate): Define dummy version if not
913 HAVE_POSIX_FALLOCATE.
914 (Output_file::map): Call posix_fallocate rather than lseek and
916 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
917 * configure, Makefile.in, config.in: Rebuild.
919 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
921 * layout.h (Layout::create_note): Add section_name parameter.
922 * layout.cc (Layout::create_note): Likewise.
923 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
925 2009-03-17 Ian Lance Taylor <iant@google.com>
927 * descriptors.cc: Include "options.h".
928 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
929 (Descriptors::open): Always use O_CLOEXEC when opening a new
930 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
933 * sparc.cc (class Target_sparc): Add has_got_section.
934 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
935 make sure we have a GOT section.
937 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
938 (Target_sparc::Scan::local): Likewise.
939 (Target_sparc::Scan::global): Likewise.
940 (Target_sparc::Relocate::relocate): Likewise.
941 (Target_sparc::Relocate::relocate_tls): Likewise.
943 * symtab.cc (Symbol_table::define_default_version): New function,
944 broken out of add_from_object.
945 (Symbol_table::add_from_object): Call define_default_version.
946 (Symbol_table::define_special_symbol): Add resolve_oldsym
947 parameter. Change all callers. If the version for a symbol comes
948 from a version script, resolve it with the symbol with the same
949 name with no version. Also add the symbol without a version if
951 (do_define_in_output_data): If resolving with oldsym, don't delete
953 (do_define_in_output_segment): Likewise.
954 (do_define_as_constant): Likewise.
955 * symtab.h (class Symbol_table): Update declarations.
957 2009-03-13 Ian Lance Taylor <iant@google.com>
959 * readsyms.cc (Read_symbols::incompatible_warning): New function.
960 (Read_symbols::requeue): New function.
961 (Read_symbols::do_read_symbols): If make_elf_object fails because
962 the target type is not configured, and the file was searched for,
963 issue a warning and retry with the next directory.
964 (Add_symbols::run): If the file has an incompatible format, and
965 it was searched for, requeue the Read_symbols task. On error,
967 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
968 dirindex parameter to constructor. Change all callers. Declare
969 incompatible_warning and requeue.
970 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
971 input_argument_ and input_group_ fields. Add them to
972 constructor. Change all callers.
973 (class Read_script): Add dirindex_ field. Add it to constructor.
975 * archive.cc (Archive::setup): Remove input_objects parameter.
977 (Archive::get_file_and_offset): Likewise.
978 (Archive::read_all_symbols): Likewise.
979 (Archive::read_symbols): Likewise.
980 (Archive::get_elf_object_for_member): Remove input_objects
981 parameter. Add punconfigured parameter. Change all callers.
982 (Archive::add_symbols): Change return type to bool. Check return
983 value of include_member.
984 (Archive::include_all_members): Likewise.
985 (Archive::include_member): Change return type to bool. Return
986 false if first included object has incompatible target. Set
987 included_member_ field.
988 (Add_archive_symbols::run): If add_symbols returns false, requeue
990 * archive.h (class Archive): Add included_member_ field.
991 Initialize it in constructor. Add input_file and searched_for
992 methods. Update declarations.
993 (class Add_archive_symbols): Add dirpath_, dirindex_, and
994 input_argument_ fields. Add them to constructor. Change all
996 * script.cc: Include "target-select.h".
997 (class Parser_closure): Add skip_on_incompatible_target_ and
998 found_incompatible_target_ fields. Add
999 skip_on_incompatible_target parameter to constructor. Change all
1000 callers. Add methods skip_on_incompatible_target,
1001 clear_skip_on_incompatible_target, found_incompatible_target, and
1002 set_found_incompatible_target.
1003 (read_input_script): Add dirindex parameter. Change all callers.
1004 If parser finds an incompatible target, requeue Read_symbols
1006 (script_set_symbol): Clear skip_on_incompatible_target in
1008 (script_add_assertion, script_parse_option): Likewise.
1009 (script_start_sections, script_add_phdr): Likewise.
1010 (script_check_output_format): New function.
1011 * script.h (read_input_script): Update declaration.
1012 * script-c.h (script_check_output_format): Declare.
1013 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
1014 (ignore_cmd): Remove OUTPUT_FORMAT.
1015 * fileread.cc (Input_file::Input_file): Add explicit this.
1016 (Input_file::will_search_for): New function.
1017 (Input_file::open): Add pindex parameter. Change all callers.
1018 * fileread.h (class Input_file): Add input_file_argument method.
1019 Declare will_search_for. Update declarations.
1020 * object.cc (make_elf_object): Add punconfigured parameter.
1022 * object.h (class Object): Make input_file public. Add
1023 searched_for method.
1024 (make_elf_object): Update declaration.
1025 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
1027 * dirsearch.h (class Dirsearch): Update declaration.
1028 * options.h (class General_options): Add --warn-search-mismatch.
1029 * parameters.cc (Parameters::is_compatible_target): New function.
1030 * parameters.h (class Parameters): Declare is_compatible_target.
1031 * workqueue.cc (Workqueue::add_blocker): New function.
1032 * workqueue.h (class Workqueue): Declare add_blocker.
1034 * fileread.cc (Input_file::open): Remove options parameter.
1036 (Input_file::open_binary): Likewise.
1037 * script.cc (read_input_script): Likewise.
1038 * readsyms.h (class Read_symbols): Remove options_ field. Remove
1039 options parameter from constructor. Change all callers.
1040 (class Read_script): Likewise.
1041 * fileread.h (class Input_file): Update declarations.
1042 * script.h (read_input_script): Update declaration.
1044 2009-03-10 Nick Clifton <nickc@redhat.com>
1046 * po/es.po: New Spanish translation.
1048 2009-03-06 Cary Coutant <ccoutant@google.com>
1050 * options.cc (parse_short_option): Keep dash_z from registering itself.
1052 2009-03-03 Ian Lance Taylor <iant@google.com>
1055 * target-reloc.h (relocate_section): Pass output_section to
1057 * i386.cc (Target_i386::should_apply_static_reloc): Add
1058 output_section parameter. Change all callers.
1059 (Target_i386::Relocate::relocate): Add output_section parameter.
1060 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1061 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1062 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1063 * testsuite/two_file_shared.sh: New script.
1064 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
1065 (check_DATA): Add two_file_shared.dbg.
1066 (two_file_shared.dbg): New target.
1067 * testsuite/Makefile.in: Rebuild.
1069 2009-03-01 Ian Lance Taylor <iant@google.com>
1071 * configure.ac: Check for byteswap.h.
1072 * configure: Rebuild.
1073 * config.in: Rebuild.
1075 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
1077 * layout.cc (Layout::find_or_add_kept_section): New function.
1078 (Layout::add_comdat): Removed.
1079 * layout.h (struct Kept_section): Move out of class Layout.
1080 Remove trailing underscores from field names. Add group_sections
1081 field. Rename group_ field to is_group. Change all uses.
1082 (class Layout): Declare find_or_add_kept_section, not add_comdat.
1083 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
1084 comdat_groups_ field.
1085 (Sized_relobj::include_section_group): Use
1086 find_or_add_kept_section and Kept_section::group_sections.
1087 (Sized_relobj::include_linkonce_section): Likewise.
1088 * object.cc (class Sized_relobj): Don't define Comdat_group or
1089 Comdat_group_table. Remove find_comdat_group and
1090 add_comdat_group. Remove comdat_groups_ field.
1091 * plugin.cc (include_comdat_group): Use
1092 Layout::find_or_add_kept_section.
1094 2009-02-28 Ian Lance Taylor <iant@google.com>
1096 * README: --gc-sections and map files are now supported. Document
1097 some build requirements.
1100 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
1101 relocatable link set the value of the section symbol to zero.
1102 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
1103 relocatable link don't include the section address in the local
1106 2009-02-27 Ian Lance Taylor <iant@google.com>
1109 * options.h (class Search_directory): Add is_system_directory.
1110 (class General_options): Declare is_in_system_directory.
1111 * options.cc (get_relative_sysroot): Make static.
1112 (get_default_sysroot): Make static.
1113 (General_optoins::is_in_system_directory): New function.
1114 * fileread.cc (Input_file::is_in_system_directory): New function.
1115 * fileread.h (class Input_file): Declare is_in_system_directory.
1116 * object.h (class Object): Add is_in_system_directory.
1117 (class Input_objects): Remove system_library_directory_ field.
1118 * object.cc (Input_objects::add_object): Don't set
1119 system_library_directory_.
1120 (input_objects::found_in_system_library_directory): Remove.
1121 * symtab.cc (Symbol_table::write_globals): Remove input_objects
1122 parameter. Change all callers.
1123 (Symbol_table::sized_write_globals): Likewise.
1124 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
1125 Call Object::is_in_system_directory.
1126 * symtab.h (class Symbol_table): Update declarations.
1129 * descriptors.h (Open_descriptor): Add is_on_stack field.
1130 * descriptors.cc (Descriptors::open): If the descriptor is on the
1131 top of the stack, remove it. Initialize is_on_stack field.
1132 (Descriptors::release): Only add pod to stack if it is not on the
1134 (Descriptors::close_some_descriptor): Clear stack_next and
1138 * output.cc (Output_section::find_starting_output_address): Rename
1139 from starting_output_address; add PADDR parameter; change return
1141 * output.h (class Output_section): Declare
1142 find_starting_output_address instead of starting_output_address.
1143 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
1144 section symbol for which we can't find a merge section.
1147 * symtab.cc (Symbol_table::add_from_object): If the visibility is
1148 hidden or internal, force the symbol to be local.
1149 * resolve.cc (Symbol::override_visibility): Define.
1150 (Symbol::override_base): Use override_visibility.
1151 (Symbol_table::resolve): Likewise.
1152 (Symbol::override_base_with_special): Likewise.
1153 (Symbol_table::override_with_special): If the visibility is hidden
1154 or internal, force the symbol to be local.
1155 * symtab.h (class Symbol): Add set_visibility and
1156 override_visibility.
1157 * testsuite/ver_test_1.sh: New file.
1158 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
1159 (check_DATA): Add ver_test_1.syms.
1160 (ver_test_1.syms): New target.
1161 * testsuite/Makefile.in: Rebuild.
1163 2009-02-25 Cary Coutant <ccoutant@google.com>
1165 * layout.cc (Layout::choose_output_section): Don't rename sections
1166 when using a linker script that has a SECTIONS clause.
1167 * Makefile.in: Regenerate.
1169 * testsuite/Makefile.am (script_test_5.sh): New test case.
1170 * testsuite/Makefile.in: Regenerate.
1171 * testsuite/script_test_5.cc: New file.
1172 * testsuite/script_test_5.sh: New file.
1173 * testsuite/script_test_5.t: New file.
1175 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
1177 * archive.cc (Archive::include_member): Update calls to add_symbols.
1178 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
1179 the Layout argument.
1180 * dynobj.h (do_add_symbols): Add the Layout argument.
1181 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
1183 * object.h (Object::add_symbols): Add the Layout argument.
1184 (Object::do_add_symbols): Add the Layout argument.
1185 (Sized_relobj::do_add_symbols): Add the Layout argument.
1186 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
1187 Unify the two versions.
1188 (Add_plugin_symbols): Remove.
1189 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
1190 (Sized_pluginobj::do_add_symbols): Unify the two versions.
1191 (Add_plugin_symbols): Remove.
1192 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
1193 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
1194 (Add_symbols::run): Make it work with Pulginobj.
1196 2009-02-06 Ian Lance Taylor <iant@google.com>
1198 * object.cc (Sized_relobj::do_layout): Make info message start
1199 with lower case letter.
1201 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
1203 * binary.cc: Fix file comment.
1205 * options.h (enum Incremental_disposition): Define.
1206 (class General_options): Add new options: --incremental,
1207 --incremental_changed, --incremental_unchanged,
1208 --incremental_unknown. Add incremental_disposition_ and
1209 implicit_incremental_ fields.
1210 (General_options::incremental_disposition): New function.
1211 (class Position_dependent_options): Add incremental_disposition
1213 (Position_dependent_options::copy_from_options): Set incremental
1215 * options.cc (General_options::parse_incremental_changed): New
1217 (General_options::parse_incremental_unchanged): New function.
1218 (General_options::parse_incremental_unknown): New function.
1219 (General_options::General_options): Initialize new fields
1220 incremental_disposition_ and implicit_incremental_.
1221 (General_options::finalize): Check for uasge of --incremental-*
1222 without --incremental.
1224 2009-02-06 Chris Demetriou <cgd@google.com>
1226 * gold.h (gold_undefined_symbol): Change to take only a Symbol
1227 pointer and to report location as the file name associated with
1229 (gold_undefined_symbol_at_location): New function to replace the
1230 old gold_undefined_symbol functionality.
1231 * target-reloc.h (relocate_section): Update to use
1232 gold_undefined_symbol_at_location.
1233 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1234 Call gold_undefined_symbol function rather than gold_error.
1235 * errors.h (Errors::undefined_symbol): Take location as a
1236 string, rather than calculating it from a relocation.
1237 * errors.cc (Errors::fatal): Print "fatal error:" before the
1239 (Errors::error, Errors::error_at_location): Print "error: "
1240 before the formatted message.
1241 (Errors::undefined_symbol): Take location as a string, rather
1242 than calculating it from a relocation.
1243 (gold_undefined_symbol_at_location): New function akin to
1244 old gold_undefined_symbol, calculates location from relocation.
1245 (gold_undefined_symbol): Change to take only a Symbol pointer
1246 and to report location as the file name associated with the symbol.
1247 * testsuite/debug_msg.sh: Update for changed error messages.
1248 * testsuite/undef_symbol.sh: Likewise.
1250 2009-02-04 Duncan Sands <baldrick@free.fr>
1253 * reduced_debug_output.h
1254 (Output_reduced_debug_abbrev_section::failed): Use format for
1256 (Output_reduced_debug_info_section::faild): Likewise.
1258 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
1260 * script.cc (Lazy_demangler): New class.
1261 (Version_script_info::get_symbol_version_helper): Demangle a
1264 2009-01-29 Cary Coutant <ccoutant@google.com>
1266 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
1268 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1270 2009-01-28 Ian Lance Taylor <iant@google.com>
1272 * version.cc (version_string): Bump to 1.9.
1274 * gold.h: Include <cstring> and <stdint.h>.
1275 * version.cc: Include <cstdio>.
1276 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
1278 * reduced_debug_output.cc (insert_into_vector): Rename from
1279 Insert_into_vector; change all callers. Use Swap_unaligned to
1280 avoid aliasing issue; remove union since it is unnecessary.
1282 2009-01-27 Sriraman Tallam <tmsriram@google.com>
1284 * Makefile.am (CCFILES): Add gc.cc.
1286 * Makefile.in: Regenerate.
1287 * gold.cc (Gc_runner): New class.
1288 (queue_initial_tasks): Call garbage collection related tasks
1289 when corresponding options are invoked.
1290 (queue_middle_gc_tasks): New function.
1291 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
1292 processed early before laying out sections during garbage collection.
1293 * gold.h (queue_middle_gc_tasks): New function.
1294 (is_prefix_of): Move from "layout.cc".
1295 * i386.cc (Target_i386::gc_process_relocs): New function.
1296 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
1297 * main.cc (main): Create object of class "Garbage_collection".
1298 * object.cc (Relobj::copy_symbols_data): New function.
1299 (Relobj::is_section_name_included): New function.
1300 (Sized_relobj::do_layout): Allow this function to be called twice
1301 during garbage collection and defer layout of section during the
1303 * object.h (Relobj::get_symbols_data): New function.
1304 (Relobj::is_section_name_included): New function.
1305 (Relobj::copy_symbols_data): New function.
1306 (Relobj::set_symbols_data): New function.
1307 (Relobj::get_relocs_data): New function.
1308 (Relobj::set_relocs_data): New function.
1309 (Relobj::is_output_section_offset_invalid): New pure virtual function.
1310 (Relobj::gc_process_relocs): New function.
1311 (Relobj::do_gc_process_relocs): New pure virtual function.
1312 (Relobj::sd_): New data member.
1313 (Sized_relobj::is_output_section_offset_invalid): New function.
1314 (Sized_relobj::do_gc_process_relocs): New function.
1315 * options.h (General_options::gc_sections): Modify to not be a no-op.
1316 (General_options::print_gc_sections): New option.
1317 * plugin.cc (Plugin_finish::run): Remove function call to
1318 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
1319 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
1320 * reloc.cc (Read_relocs::run): Add task to process relocs and
1321 determine unreferenced sections when doing garbage collection.
1322 (Gc_process_relocs): New class.
1323 (Sized_relobj::do_gc_process_relocs): New function.
1324 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
1325 sections that are garbage collected.
1326 * reloc.h (Gc_process_relocs): New class.
1327 * sparc.cc (Target_sparc::gc_process_relocs): New function.
1328 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
1329 symbols whose corresponding sections are garbage collected.
1330 (Symbol_table::Symbol_table): Add new parameter for the garbage
1332 (Symbol_table::gc_mark_undef_symbols): New function.
1333 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1334 (Symbol_table::gc_mark_dyn_syms): New function.
1335 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
1337 (Symbol_table::add_from_object): Likewise.
1338 (Symbol_table::add_from_relobj): When building shared objects, do not
1339 treat externally visible symbols as garbage.
1340 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
1341 table information for static and relocatable links.
1342 * symtab.h (Symbol_table::set_gc): New function.
1343 (Symbol_table::gc): New function.
1344 (Symbol_table::gc_mark_undef_symbols): New function.
1345 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1346 (Symbol_table::gc_mark_dyn_syms): New function.
1347 (Symbol_table::gc_): New data member.
1348 * target.h (Sized_target::gc_process_relocs): New pure virtual
1350 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
1351 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
1353 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
1355 * options.h (General_options::gc_sections): Define as a no-op for now.
1356 (General_options::no_keep_memory): Ditto.
1357 (General_options::Bshareable): Define.
1358 * options.cc (General_options::finalize): Honor -Bshareable.
1360 2009-01-20 Andreas Schwab <schwab@suse.de>
1362 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
1363 read the value in the contents, since we don't use it. Use the
1364 template endianness when writing.
1365 (Relocate::relocate): Use it for R_PPC_REL16_HA.
1367 2009-01-19 Andreas Schwab <schwab@suse.de>
1369 * configure.tgt (powerpc64-*): Fix targ_obj.
1371 2009-01-15 Ian Lance Taylor <iant@google.com>
1373 * object.cc (Sized_relobj::write_local_symbols): Don't write out
1374 local symbols when stripping all symbols.
1376 2009-01-14 Cary Coutant <ccoutant@google.com>
1378 * output.cc (Output_reloc): Add explicit instantiations.
1380 2009-01-14 Cary Coutant <ccoutant@google.com>
1382 * archive.cc (Archive::get_elf_object_for_member): Remove call
1383 to File_read::claim_for_plugin.
1384 * descriptors.cc (Descriptors::open): Remove reference to
1386 (Descriptors::claim_for_plugin): Remove.
1387 * descriptors.h (Descriptors::claim_for_plugin): Remove.
1388 (Descriptors::is_claimed): Remove.
1389 (claim_descriptor_for_plugin): Remove.
1390 * fileread.cc (File_read::claim_for_plugin): Remove.
1391 * fileread.h (File_read::claim_for_plugin): Remove.
1392 (File_read::descriptor): Reopen descriptor if necessary.
1393 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
1394 (Plugin_manager::all_symbols_read): Add task parameter. Change
1396 (Plugin_manager::get_input_file): New function.
1397 (Plugin_manager::release_input_file): New function.
1398 (Pluginobj::Pluginobj): Add filesize parameter and initialize
1399 corresponding data member.
1400 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
1401 and pass to base constructor. Change all callers.
1402 (get_input_file, release_input_file): New functions.
1403 (make_sized_plugin_object): Add filesize parameter. Change all callers.
1404 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
1405 (Plugin_manager::all_symbols_read): Add task parameter.
1406 (Plugin_manager::get_input_file): New function.
1407 (Plugin_manager::release_input_file): New function.
1408 (Plugin_manager::task_): New data member.
1409 (Pluginobj::Pluginobj): Add filesize parameter.
1410 (Pluginobj::filename): New function.
1411 (Pluginobj::descriptor): New function.
1412 (Pluginobj::filesize): New function.
1413 (Pluginobj::filesize_): New data member.
1414 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
1415 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
1416 File_read::claim_for_plugin; use Object::unlock to unlock the file.
1418 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
1419 with archive libraries.
1420 * testsuite/Makefile.in: Regenerate.
1421 * testsuite/plugin_test.c (struct sym_info): New type.
1422 (get_input_file, release_input_file): New static variables.
1423 (onload): Capture new transfer vector entries.
1424 (claim_file_hook): Stop reading at end of file according to filesize.
1425 Factor out parsing of readelf output into separate function.
1426 (all_symbols_read_hook): Exercise get_input_file and release_input_file
1427 APIs and get the source file name from the symbol table. Convert
1428 source file name to corresponding object file name. Print info
1429 message when adding new input files.
1430 (parse_readelf_line): New function.
1431 * testsuite/plugin_test_1.sh: Add checks for new info messages.
1432 * testsuite/plugin_test_2.sh: Likewise.
1433 * testsuite/plugin_test_3.sh: Likewise.
1434 * testsuite/plugin_test_4.sh: New test case.
1436 2009-01-07 Ian Lance Taylor <iant@google.com>
1438 * version.cc (version_string): Bump to 1.8.
1440 2008-12-23 Cary Coutant <ccoutant@google.com>
1442 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
1443 * plugin.cc (Plugin_manager::finish): Rename as
1444 layout_deferred_objects. Move cleanup to separate function.
1445 (Plugin_manager::cleanup): New function.
1446 (Plugin_finish::run): Call layout_deferred_objects and cleanup
1448 * plugin.h (Plugin_manager::finish): Rename as
1449 layout_deferred_objects.
1450 (Plugin_manager::cleanup): New function.
1451 (Plugin_manager::cleanup_done): New field.
1453 2008-12-23 Cary Coutant <ccoutant@google.com>
1455 * plugin.cc (is_visible_from_outside): New function.
1456 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
1457 so we don't return "IR only" status for exported symbols or -r links.
1459 * testsuite/Makefile.am (plugin_test_3): New test case.
1460 * testsuite/Makefile.in: Regenerate.
1461 * testsuite/plugin_test_3.sh: New file.
1463 2008-12-22 Cary Coutant <ccoutant@google.com>
1465 * object.cc (Sized_relobj::layout_section): New function.
1466 (Sized_relobj::do_layout): Defer layout of input sections until after
1467 plugin has provided replacement files.
1468 (Sized_relobj::do_layout_deferred_sections): New function.
1469 * object.h (Relobj::set_section_offset): Remove virtual keyword.
1470 (Relobj::layout_deferred_sections): New function.
1471 (Relobj::do_layout_deferred_sections): New function.
1472 (Sized_relobj::do_layout_deferred_sections): New function.
1473 (Sized_relobj::layout_section): New function.
1474 (Sized_relobj::Deferred_layout): New structure.
1475 (Sized_relobj::deferred_layout_): New field.
1476 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
1477 Change all callers. Layout deferred sections.
1478 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
1480 (Plugin_hook::run): Move code from do_plugin_hook inline.
1481 (Plugin_hook::do_plugin_hook): Remove.
1482 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
1483 (Plugin_manager::finish): Renamed, was cleanup.
1484 (Plugin_manager::should_defer_layout): New function.
1485 (Plugin_manager::add_deferred_layout_object): New function.
1486 (Plugin_manager::Deferred_layout_list): New type.
1487 (Plugin_manager::deferred_layout_objects_): New field.
1488 (Plugin_hook::do_plugin_hook): Remove.
1490 2008-12-17 Ian Lance Taylor <iant@google.com>
1492 * options.h (class General_options): Add --no case for
1495 2008-12-16 Cary Coutant <ccoutant@google.com>
1497 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
1499 (Plugin_manager::claim_file): Create plugin object even if
1500 plugin did not call the add_symbols callback.
1501 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
1502 asking for more symbols than were added.
1503 * testsuite/Makefile.am (plugin_test_1): Add test case with
1505 (empty.syms): New target.
1506 * testsuite/Makefile.in: Regenerate.
1507 * testsuite/plugin_test.c (claim_file_hook): Add new debug
1508 message. Don't call add_symbols if no globals.
1509 (all_symbols_read_hook): Don't provide replacement for empty
1512 2008-12-12 Ian Lance Taylor <iant@google.com>
1514 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
1515 r_type == 0 for a local symbol with r_sym == 0.
1516 (scan_relocatable_relocs): Pass r_sym to
1517 local_non_section_strategy.
1518 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
1521 * configure.ac: Update test for TLS descriptors: they are
1522 supported as of glibc 2.9.
1523 * configure: Rebuild.
1525 2008-12-11 Ian Lance Taylor <iant@google.com>
1528 * target-reloc.h (Default_scan_relocatable_relocs): For each
1529 function, map r_type == 0 to RELOC_DISCARD.
1531 2008-12-10 Cary Coutant <ccoutant@google.com>
1533 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
1534 object to override a kept COMDAT group from a plugin object.
1536 2008-12-09 Ian Lance Taylor <iant@google.com>
1539 * yyscript.y (file_cmd): Handle INPUT.
1541 * testsuite/initpri1.c: Change all declarations to be full
1542 prototypes by adding void, to avoid compiler warnings.
1544 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
1546 * options.cc (General_options::parse_plugin_opt): New.
1547 (General_options::add_plugin): The argument now is just the filename.
1548 (General_options::add_plugin_option): New.
1549 * options.h (plugin_opt): New.
1550 (add_plugin): Change argument name.
1551 (add_plugin_option): New.
1552 * plugin.cc (Plugin::load): Don't parse the plugin option.
1553 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
1554 (Plugin::add_option): New.
1555 (Plugin::args_): Change type.
1556 (Plugin::filename_): New.
1557 (Plugin_manager::add_plugin_option): New.
1558 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
1559 * testsuite/Makefile.in: Regenerate.
1561 2008-12-05 Cary Coutant <ccoutant@google.com>
1563 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
1564 Handle --strip-lto-sections option.
1565 * options.h (strip_lto_sections): New option.
1567 2008-12-01 Cary Coutant <ccoutant@google.com>
1569 * plugin.cc (ld_plugin_message): Change format parameter to const.
1570 Fix mismatch between new[] and delete.
1572 2008-11-14 Cary Coutant <ccoutant@google.com>
1574 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
1577 2008-11-05 Craig Silverstein <csilvers@google.com>
1579 * options.cc (General_options::parse_dynamic_list): New function.
1580 * options.h (General_options): New flags dynamic_list,
1581 dynamic_list_data, dynamic_list_cpp_new, and
1582 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
1583 (General_options::in_dynamic_list): New function.
1584 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
1585 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
1586 (Lex::can_continue_name): Likewise.
1588 (read_script_file): New parameter script_options.
1589 (read_dynamic_list): New function.
1590 (Script_options::define_dynamic_list): New function.
1591 (dynamic_list_keyword_parsecodes): New variable.
1592 (dynamic_list_keywords): New variable.
1593 * script.h (Script_options::define_dynamic_list): New function
1595 (read_dynamic_list): New function prototype.
1596 * symtab.cc (strprefix): New macro.
1597 (Symbol::should_add_dynsym_entry): Support dynamic_list,
1598 dynamic_list_data, dynamic_list_cpp_new, and
1599 dynamic_list_cpp_typeinfo.
1600 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
1601 (dynamic_list_expr): New rule.
1602 (dynamic_list_nodes): Likewise.
1603 (dynamic_list_node): Likewise.
1604 * testsuite/Makefile.am (dynamic_list): New test.
1605 * testsuite/Makefile.in: Regenerated.
1606 * testsuite/dynamic_list.t: New file.
1607 * testsuite/dynamic_list.sh: New file.
1609 2008-11-05 Craig Silverstein <csilvers@google.com>
1611 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
1612 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
1613 (t11_last): Likewise.
1614 * testsuite/ver_test_6.c (main): Likewise.
1616 2008-10-07 Cary Coutant <ccoutant@google.com>
1618 * options.c (General_options::finalize): Add check for -static and
1620 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
1623 2008-10-02 Cary Coutant <ccoutant@google.com>
1625 * plugin.cc (make_sized_plugin_object): Fix conditional
1626 compilation to work when not all targets are enabled.
1628 2008-09-29 Cary Coutant <ccoutant@google.com>
1630 * archive.cc (Archive::get_file_and_offset): Use filename instead
1631 of name to get library path.
1632 (Archive::include_member): Unlock external member of a thin archive.
1634 * testsuite/Makefile.am (TEST_AR): New variable.
1635 (thin_archive_test_1): New test.
1636 (thin_archive_test_2): New test.
1637 * testsuite/Makefile.in: Regenerate.
1638 * testsuite/thin_archive_main.cc: New file.
1639 * testsuite/thin_archive_test_1.cc: New file.
1640 * testsuite/thin_archive_test_2.cc: New file.
1641 * testsuite/thin_archive_test_3.cc: New file.
1642 * testsuite/thin_archive_test_4.cc: New file.
1644 2008-09-29 Cary Coutant <ccoutant@google.com>
1646 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
1647 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
1649 (Sized_relobj::do_finalize_local_symbols): Likewise.
1650 (Sized_relobj::map_to_kept_section): Likewise.
1651 * object.h (Sized_relobj::invalid_address): New constant.
1652 (Sized_relobj::do_output_section_offset): Check for invalid_address
1654 * output.cc (Output_reloc::local_section_offset): Use constant
1655 invalid_address instead of -1U.
1656 (Output_reloc::get_address): Likewise.
1657 (Output_section::output_address): Change -1U to -1ULL.
1658 * output.h (Output_reloc::invalid_address): New constant.
1659 * reloc.cc (Sized_relobj::write_sections): Use constant
1660 invalid_address instead of -1U.
1661 (Sized_relobj::relocate_sections): Likewise.
1662 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
1663 values for merge sections.
1664 * target-reloc.h (relocate_for_relocatable): Use constant
1665 invalid_address instead of -1U.
1667 2008-09-19 Cary Coutant <ccoutant@google.com>
1669 Add plugin functionality for link-time optimization (LTO).
1670 * configure.ac (plugins): Add --enable-plugins option.
1671 * configure: Regenerate.
1672 * config.in: Regenerate.
1673 * Makefile.am (LIBDL): New variable.
1674 (CCFILES): Add plugin.cc.
1675 (HFILES): Add plugin.h.
1676 (ldadd_var): Add LIBDL.
1677 * Makefile.in: Regenerate.
1679 * archive.cc: Include "plugin.h".
1680 (Archive::setup): Don't preread archive symbols when using a plugin.
1681 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
1682 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
1684 (Archive::include_member): Add symbols from plugin objects.
1685 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
1686 * descriptors.cc (Descriptors::open): Check for file descriptors
1687 abandoned by plugins.
1688 (Descriptors::claim_for_plugin): New function.
1689 * descriptors.h (Descriptors::claim_for_plugin): New function.
1690 (Open_descriptor::is_claimed): New field.
1691 (claim_descriptor_for_plugin): New function.
1692 * fileread.cc (File_read::claim_for_plugin): New function.
1693 * fileread.h (File_read::claim_for_plugin): New function.
1694 (File_read::descriptor): New function.
1695 * gold.cc: Include "plugin.h".
1696 (queue_initial_tasks): Add task to call plugin hooks for generating
1698 * main.cc: Include "plugin.h".
1699 (main): Load plugin libraries.
1700 * object.h (Pluginobj): Declare.
1701 (Object::pluginobj): New function.
1702 (Object::do_pluginobj): New function.
1703 (Object::set_target): New function.
1704 * options.cc: Include "plugin.h".
1705 (General_options::parse_plugin): New function.
1706 (General_options::General_options): Initialize plugins_ field.
1707 (General_options::add_plugin): New function.
1708 * options.h (Plugin_manager): Declare.
1709 (General_options): Add --plugin option.
1710 (General_options::has_plugins): New function.
1711 (General_options::plugins): New function.
1712 (General_options::add_plugin): New function.
1713 (General_options::plugins_): New field.
1714 * plugin.cc: New file.
1715 * plugin.h: New file.
1716 * readsyms.cc: Include "plugin.h".
1717 (Read_symbols::do_read_symbols): Check for archive before checking
1718 for ELF file. Call plugin hooks to claim files.
1719 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
1720 from a real object file; force override when processing replacement
1722 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
1723 (Symbol::init_base_object): Likewise.
1724 (Symbol::init_base_output_data): Likewise.
1725 (Symbol::init_base_output_segment): Likewise.
1726 (Symbol::init_base_constant): Likewise.
1727 (Symbol::init_base_undefined): Likewise.
1728 (Symbol::output_section): Assert that object is not a plugin.
1729 (Symbol_table::add_from_pluginobj): New function.
1730 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
1732 (Symbol_table::sized_write_globals): Likewise.
1733 (Symbol_table::add_from_pluginobj): Instantiate template.
1734 * symtab.h (Sized_pluginobj): Declare.
1735 (Symbol::in_real_elf): New function.
1736 (Symbol::set_in_real_elf): New function.
1737 (Symbol::in_real_elf_): New field.
1738 (Symbol_table::add_from_pluginobj): New function.
1740 * testsuite/Makefile.am (AM_CFLAGS): New variable.
1741 (LIBDL): New variable.
1743 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
1744 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
1745 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
1746 (MOSTLYCLEANFILES): Likewise.
1747 * testsuite/Makefile.in: Regenerate.
1748 * testsuite/plugin_test.c: New file.
1749 * testsuite/plugin_test_1.sh: New file.
1750 * testsuite/plugin_test_2.sh: New file.
1752 2008-09-16 Ian Lance Taylor <iant@google.com>
1754 * target-reloc.h (relocate_section): Check whether a symbol is
1755 defined by the ABI before reporting an undefined symbol error.
1756 * target.h (Target::is_defined_by_abi): Make parameter const.
1757 (Target::do_is_defined_by_abi): Likewise.
1758 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
1759 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
1760 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
1761 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
1762 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
1763 * testsuite/Makefile.in: Rebuild.
1765 * fileread.cc (make_view): Add casts to avoid warning.
1767 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1769 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
1770 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1772 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1774 * options.h (General_options::output_is_executable): New.
1775 (General_options::output_is_pie): New.
1776 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
1777 for shared libraries.
1778 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1780 2008-09-11 Chris Demetriou <cgd@google.com>
1782 * options.h (origin): New -z option.
1783 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
1784 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
1787 2008-09-05 Cary Coutant <ccoutant@google.com>
1789 * fileread.cc (File_read::make_view): Add check for attempt to map
1792 2008-09-05 Cary Coutant <ccoutant@google.com>
1794 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
1795 explicit instantiations.
1797 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
1800 * options.cc (General_options::finalize): Allow undefined symbols
1801 in shlibs if linking -shared.
1804 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
1805 symbols as not needing a dynsym entry.
1807 2008-08-20 Craig Silverstein <csilvers@google.com>
1809 * fileread.cc (File_read::open): Do not lock the file unless it
1810 was successfully opened.
1812 2008-08-14 Cary Coutant <ccoutant@google.com>
1814 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
1815 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
1816 * testsuite/tls_test.cc (struct int128): 128-bit struct
1817 for testing TLS relocs with non-zero addend.
1818 (v12): New TLS variable.
1820 (t_last): Add check for v12.
1821 * testsuite/tls_test.h (t12): New function.
1822 * testsuite/tls_test_main.cc (thread_routine): Call new test.
1824 2008-08-13 Ian Lance Taylor <iant@google.com>
1826 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
1827 set tls_segment_ or relro_segment_.
1828 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
1830 * output.h (Output_section::clear_is_relro): New function.
1831 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
1832 sections specially even when output_data_ is empty.
1833 (Output_segment::maximum_alignment): When first section is relro,
1834 only force alignment for PT_LOAD segments.
1835 * script.cc (script_data_segment_align): New function.
1836 (script_data_segment_relro_end): New function.
1837 * script-c.h (script_data_segment_align): Declare.
1838 (script_data_segment_relro_end): Declare.
1839 * script-sections.h (class Script_sections): Declare
1840 data_segment_align and data_segment_relro_end. Add fields
1841 segment_align_index_ and saw_relro_end_.
1842 * script-sections.cc (class Sections_element): Add set_is_relro
1843 virtual function. Add new bool* parameter to place_orphan_here.
1844 Add get_output_section virtual function.
1845 (class Output_section_definition): Add set_is_relro. Add new
1846 bool* parameter to place_orphan_here. Add get_output_section.
1847 Add is_relro_ field.
1848 (Output_section_definition::Output_section_definition): Initialize
1849 evaluated_address_, evaluated_load_address, evaluated_addralign_,
1850 and is_relro_ fields.
1851 (Output_section_definition::place_orphan_here): Add is_relro
1853 (Output_section_definition::set_section_addresses): Set relro for
1855 (Output_section_definition::alternate_constraint): Likewise.
1856 (class Orphan_output_section): Add new bool* parameter to
1857 place_orphan_here. Add get_output_section.
1858 (Orphan_output_section::place_orphan_here): Add is_relro
1860 (Script_sections::Script_sections): Initialize
1861 data_segment_align_index_ and saw_relro_end_.
1862 (Script_sections::data_segment_align): New function.
1863 (Script_sections::data_segment_relro_end): New function.
1864 (Script_sections::place_orphan): Set or clear is_relro.
1865 (Script_sections::set_section_addresses): Force alignment of first
1867 * yyscript.y (exp): Call script_data_segment_align and
1868 script_data_segment_relro_end.
1869 * testsuite/relro_script_test.t: New file.
1870 * testsuite/relro_test.cc (using_script): Declare.
1871 (t1, t2): Test using_script.
1872 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
1873 (relro_script_test_SOURCES): Define.
1874 (relro_script_test_DEPENDENCIES): Define.
1875 (relro_script_test_LDFLAGS): Define.
1876 (relro_script_test_LDADD): Define.
1877 (relro_script_test.so): New target.
1878 * testsuite/Makefile.in: Rebuild.
1880 2008-08-06 Cary Coutant <ccoutant@google.com>
1882 * archive.cc (Archive::total_archives, Archive::total_members)
1883 (Archive::total_members_loaded): New variables.
1884 (Archive::setup): Add parameter. Add option to preread
1886 (Archive::read_armap): Add counter.
1887 (Archive::get_file_and_offset): New function.
1888 (Archive::get_elf_object_for_member): New function.
1889 (Archive::read_all_symbols): New function.
1890 (Archive::read_symbols): New function.
1891 (Archive::add_symbols): Add counters.
1892 (Archive::include_all_members): Use armap to find members if it's
1894 (Archive::include_member): Skip reading symbols if already read.
1895 Factored code into Archive::get_file_and_offset and
1896 Archive::get_elf_object_for_member. Changed call to
1897 Mapfile::report_include_archive_member.
1898 (Archive::print_stats): New function.
1899 * archive.h: Declare Object and Read_symbols_data classes.
1900 (Archive::Archive): Add initializers for new members.
1901 (Archive::setup): Add parameter.
1902 (Archive::print_stats): New function.
1903 (Archive::total_archives, Archive::total_members)
1904 (Archive::total_members_loaded): New variables.
1905 (Archive::get_file_and_offset): New function.
1906 (Archive::get_elf_object_for_member): New function.
1907 (Archive::read_all_symbols): New function.
1908 (Archive::read_symbols): New function.
1909 (Archive::Archive_member): New class.
1910 (Archive::members_): New member.
1911 (Archive::num_members_): New member.
1912 * main.cc: Include archive.h.
1913 (main): Call Archive::print_stats.
1914 * mapfile.cc (Mapfile::report_include_archive_member): Delete
1915 archive parameter; member_name is now the fully-decorated name.
1916 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
1917 * options.h: (General_options): Add --preread-archive-symbols option.
1918 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
1921 2008-08-04 Ian Lance Taylor <iant@google.com>
1923 * symtab.h (Symbol::use_plt_offset): New function.
1924 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
1925 * powerpc.cc (Relocate::relocate): Likewise.
1926 * sparc.cc (Relocate::relocate): Likewise.
1927 * x86_64.cc (Relocate::relocate): Likewise.
1928 * testsuite/weak_plt.sh: New test.
1929 * testsuite/weak_plt_main.cc: New test.
1930 * testsuite/weak_plt_shared.cc: New test.
1931 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
1932 (check_PROGRAMS): Add weak_plt.
1933 (check_DATA): Add weak_plt_shared.so.
1934 (weak_plt_main_pic.o, weak_plt): New targets.
1935 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
1936 * testsuite/Makefile.in: Rebuild.
1938 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
1940 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
1941 * testsuite/Makefile.in: Rebuild.
1943 2008-08-04 Alan Modra <amodra@bigpond.net.au>
1945 * Makefile.am (POTFILES.in): Set LC_ALL=C.
1946 * Makefile.in: Regenerate.
1947 * po/POTFILES.in: Regenerate.
1949 2008-07-29 Ian Lance Taylor <iant@google.com>
1951 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
1952 symbols before other symbols.
1953 * testsuite/script_test_2.cc (test_addr): Declare.
1954 (test_addr_alias): Declare.
1955 (main): Check that test_addr and test_addr_alias have the right
1957 * testsuite/script_test_2.t: Define test_addr_alias and
1960 2008-07-24 Ian Lance Taylor <iant@google.com>
1963 * descriptors.cc: New file.
1964 * descriptors.h: New file.
1965 * gold-threads.h (class Hold_optional_lock): New class.
1966 * fileread.cc: Include "descriptors.h".
1967 (File_read::~File_read): Release descriptor rather than closing
1969 (File_read::open) [file]: Call open_descriptor rather than open.
1970 Set is_descriptor_opened_.
1971 (File_read::open) [memory]: Assert that descriptor is not open.
1972 (File_read::reopen_descriptor): New function.
1973 (File_read::release): Release descriptor.
1974 (File_read::do_read): Make non-const. Reopen descriptor.
1975 (File_read::read): Make non-const.
1976 (File_read::make_view): Reopen descriptor.
1977 (File_read::do_readv): Likewise.
1978 * fileread.h (class File_read): Add is_descriptor_opened_ field.
1979 Update declarations.
1980 * layout.cc: Include "descriptors.h".
1981 (Layout::create_build_id): Use open_descriptor rather than open.
1982 * output.cc: Include "descriptors.h".
1983 (Output_file::open): Use open_descriptor rather than open.
1984 * archive.cc (Archive::const_iterator): Change Archive to be
1986 (Archive::begin, Archive::end): Make non-const.
1987 (Archive::count_members): Likewise.
1988 * archive.h (class Archive): Update declarations.
1989 * object.h (Object::read): Make non-const.
1990 * Makefile.am (CCFILES): Add descriptors.cc.
1991 (HFILES): Add descriptors.h.
1992 * Makefile.in: Rebuild.
1995 * gold.h: Always include <clocale>. Add Solaris workarounds
1996 following code in binutils/sysdep.h.
1999 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
2000 this->eh_frame_hdr_ is NULL before using it.
2002 * dynobj.cc (Versions::Versions): Update comment.
2004 * dynobj.cc (Versions::Versions): If there is an soname, use it as
2005 the base version name.
2007 * stringpool.cc (Stringpool_template::add_with_length): Set key to
2008 array size plus one.
2009 (Stringpool_template::set_string_offsets): Subtract one from key
2010 before using it as an array index.
2011 (Stringpool_template::get_offset_with_length): Likewise.
2012 (Stringpool_template::write_to_buffer): Likewise.
2013 * stringpool.h (Stringpool_template::get_offset_from_key):
2016 2008-07-23 Ian Lance Taylor <iant@google.com>
2019 * object.h (Merged_symbol_value::value): Do our best to handle a
2023 * script.cc (Version_script_info::get_versions): Don't add empty
2024 version tag to return value.
2025 (Version_script_info::get_symbol_version_helper): Change return
2026 type to bool. Add pversion parameter. Change all callers.
2027 (script_register_vers_node): Don't require a non-NULL tag.
2028 * script.h (class Version_script_info): Update declarations.
2029 (Version_script_info::get_symbol_version): Change return type to
2030 bool. Add version parameter. Change all callers.
2031 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
2032 handling. Handle an empty version from a version script.
2033 (Symbol_table::define_special_symbol): Likewise.
2034 * testsuite/ver_test_10.script: New file.
2035 * testsuite/ver_test_10.sh: New file.
2036 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
2037 (check_DATA): Add ver_test_10.syms.
2038 (ver_test_10.syms, ver_test_10.so): New target.
2039 * testsuite/Makefile.in: Rebuild.
2041 2008-07-23 Simon Baldwin <simonb@google.com>
2043 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
2044 to zero for undefined symbols from dynamic libraries.
2046 2008-07-23 Ian Lance Taylor <iant@google.com>
2048 * symtab.cc (Symbol_table::resolve): Remove version parameter.
2050 * symtab.h (class Symbol_table): Update declaration.
2051 * testsuite/ver_test_9.cc: New file.
2052 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
2053 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
2054 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
2055 (ver_test_9.so, ver_test_9.o): New targets.
2056 * testsuite/Makefile.in: Rebuild.
2058 2008-07-22 Ian Lance Taylor <iant@google.com>
2060 * options.h (class General_options): Define --check-sections.
2061 * layout.cc (Layout::set_segment_offsets): Handle
2064 * options.h (class General_options): Define -n/--nmagic and
2066 * options.cc (General_options::finalize): For -n/--nmagic or
2067 -N/--omagic, set -static.
2068 * layout.cc (Layout::attach_allocated_section_to_segment): If
2069 -N/--omagic, don't put read-only and read-write sections in
2071 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
2072 finding a read-only segment.
2073 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
2074 don't set the minimum segment alignment to the common page size,
2075 and don't set the file offset to the address modulo the page size.
2076 * script-sections.cc (Script_sections::create_segments): If
2077 -n/--omagic, don't put read-only and read-write sections in
2080 * cref.cc: New file.
2082 * options.h (class General_options): Add --print-symbol-counts.
2083 * main.cc (main): Issue defined symbol report if requested.
2084 * archive.cc (Archive::interpret_header): Make into a const member
2086 (Archive::add_symbols): Call Input_objects::archive_start and
2088 (Archive::const_iterator): Define new class.
2089 (Archive::begin, Archive::end): New functions.
2090 (Archive::include_all_members): Rewrite to use iterator.
2091 (Archive::count_members): New function.
2092 * archive.h (class Archive): Update declarations.
2093 (Archive::filename): New function.
2094 * object.cc: Include "cref.h".
2095 (Sized_relobj::Sized_relobj): Initialize defined_count_.
2096 (Sized_relobj::do_get_global_symbol_counts): New function.
2097 (Input_objects::add_object): Add object to cross-referencer.
2098 (Input_objects::archive_start): New function.
2099 (Input_objects::archive_stop): New function.
2100 (Input_objects::print_symbol_counts): New function.
2101 * object.h: Declare Cref and Archive.
2102 (Object::get_global_symbol_counts): New function.
2103 (Object::do_get_global_symbol_counts): New pure virtual function.
2104 (class Sized_relobj): Add defined_count_ field. Update
2106 (class Input_objects): Add cref_ field. Update constructor.
2107 Update declarations.
2108 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
2110 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
2112 (Sized_dynobj::do_get_global_symbol_counts): New function.
2113 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
2114 defined_count_. Update declarations. Define Symbols typedef.
2115 * symtab.cc (Symbol_table::add_from_relobj): Add defined
2116 parameter. Change all callers.
2117 (Symbol_table::add_from_dynobj): Add sympointers and defined
2118 parameters. Change all callers.
2119 * symtab.h (class Symbol_table): Update declarations.
2120 * Makefile.am (CCFILES): Add cref.cc.
2121 (HFILES): Add cref.h.
2122 * Makefile.in: Rebuild.
2124 2008-07-22 Simon Baldwin <simonb@google.com>
2126 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
2127 to zero when writing undefined symbols.
2129 2008-07-22 Ian Lance Taylor <iant@google.com>
2131 * output.cc (Output_section::add_input_section): Don't try to
2132 merge empty merge sections.
2134 2008-07-21 Craig Silverstein <csilvers@google.com>
2136 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2137 Include symbol version in error message.
2139 2008-07-20 Chris Demetriou <cgd@google.com>
2141 * configure.ac (gold_cv_c_random_seed): New configured variable.
2142 (RANDOM_SEED_CFLAGS): New substituted variable.
2143 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
2144 * configure: Rebuild.
2145 * Makefile.in: Likewise.
2146 * testsuite/Makefile.in: Likewise.
2148 2008-07-18 Ian Lance Taylor <iant@google.com>
2150 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
2151 where we see NAME/NULL and NAME/VERSION as separate symbols.
2152 * testsuite/ver_test_main.cc (main): Call t4.
2153 (t4, t4_2a): Define.
2154 * testsuite/ver_test_2.cc (t4_2): Define.
2155 * testsuite/ver_test_2.script: Put t4_2a in VER2.
2156 * testsuite/ver_test_4.cc (t4_2a): Define.
2157 * testsuite/ver_test_4.script: Put t4_2a in VER2.
2158 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
2160 2008-07-17 Ian Lance Taylor <iant@google.com>
2162 * dynobj.cc (Versions::add_def): If we give an error about a
2163 missing version, go ahead and create the version anyhow.
2165 2008-07-10 Ian Lance Taylor <iant@google.com>
2167 Handle output sections with more than 0x7fffffff bytes.
2168 * object.h (class Relobj): Change map_to_output_ to
2169 output_sections_, and just keep a section pointer. Change all
2170 uses. Move comdat group support to Sized_relobj.
2171 (Relobj::is_section_specially_mapped): Remove.
2172 (Relobj::output_section): Remove poff parameter. Change all
2174 (Relobj::output_section_offset): New function.
2175 (Relobj::set_section_offset): Rewrite.
2176 (Relobj::map_to_output): Remove.
2177 (Relobj::output_sections): New function.
2178 (Relobj::do_output_section_offset): New pure virtual function.
2179 (Relobj::do_set_section_offset): Likewise.
2180 (class Sized_relobj): Add section_offsets_ field. Add comdat
2181 group support from Relobj. Update declarations.
2182 (Sized_relobj::get_output_section_offset): New function.
2183 (Sized_relobj::do_output_section_offset): New function.
2184 (Sized_relobj::do_set_section_offset): New function.
2185 * object.cc (Relobj::output_section_address): Remove.
2186 (Sized_relobj::Sized_relobj): Initialize new fields.
2187 (Sized_relobj::include_section_group): Cast find_kept_object to
2189 (Sized_relobj::include_linkonce_section): Likewise.
2190 (Sized_relobj::do_layout): Use separate arrays for output section
2192 (Sized_relobj::do_count_local_symbols): Change map_to_output to
2194 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
2195 output_sections and section_offsets.
2196 (Sized_relobj::write_local_symbols): Likewise.
2197 (map_to_kept_section): Compute output address directly.
2198 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
2199 output_sections and section_offsets.
2200 (Sized_relobj::write_sections): Likewise.
2201 (Sized_relobj::relocate_sections): Likewise.
2202 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
2203 * output.h (class Output_reloc): Update declarations. Change
2204 u2_.relobj to Sized_relobj*.
2205 (class Output_data_reloc): Change add functions to use
2207 * output.cc (Output_reloc::Output_reloc): Change relobj to
2209 (Output_reloc::local_section_offset): Change return type to
2210 Elf_Addr. Use get_output_section_offset.
2211 (Output_reloc::get_address): Likewise.
2212 (Output_section::is_input_address_mapped): Don't call
2213 is_section_specially_mapped.
2214 (Output_section::output_offset): Likewise.
2215 (Output_section::output_address): Likewise.
2216 (Output_section::starting_output_address): Likewise.
2217 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
2218 parameter to Sized_relobj*.
2219 (Copy_relocs::need_copy_reloc): Likewise.
2220 (Copy_relocs::save): Likewise.
2221 * copy-relocs.h (class Copy_relocs): Update declarations.
2222 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
2223 Sized_relobj*. Change relobj_ field to Sized_relobj*.
2224 * target-reloc.h (relocate_for_relocatable): Change
2225 offset_in_output_section type to Elf_Addr. Change code that uses
2227 * layout.cc (Layout::layout): Always set *off.
2228 * mapfile.cc (Mapfile::print_input_section): Use
2229 output_section_offset.
2230 * i386.cc (Target_i386::copy_reloc): Change object parameter to
2232 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
2233 * sparc.cc (Target_sparc::copy_reloc): Likewise.
2234 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2236 2008-07-03 Ian Lance Taylor <iant@google.com>
2238 * layout.cc (Layout::include_section): Do not discard unrecognized
2239 SHT_STRTAB sections.
2241 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
2243 * script.cc (Lex::can_continue_name): Make '?' allowable in
2244 version-script names.
2245 * testsuite/version_script.map: Change glob pattern to use '?'
2247 2008-06-30 Manish Singh <yosh@gimp.org>
2250 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
2253 2008-06-30 Ian Lance Taylor <iant@google.com>
2257 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
2258 versions]: Don't try to read the value in the contents, since we
2259 don't use it. Use the template endianness when writing.
2261 2008-06-25 Cary Coutant <ccoutant@google.com>
2263 * fileread.cc (File_read::make_view): Assert on zero-length view.
2264 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
2265 symbol table when there are no symbols to read.
2267 2008-06-23 Craig Silverstein <csilvers@google.com>
2269 * version.cc (version_string): Bump to 1.7
2271 2008-06-18 Craig Silverstein <csilvers@google.com>
2273 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
2274 constant 0xFFFF to type Valtype.
2275 (Powerpc_relocate_functions::rel16_ha): Likewise.
2277 2008-06-17 Ian Lance Taylor <iant@google.com>
2279 * output.h (Output_section::Input_section): Initialize p2align_ to
2280 zero for Output_section_data constructors.
2281 (Output_section::Input_section::addralign): If not an input
2282 section, return the alignment of the Output_section_data.
2283 * testsuite/copy_test.cc: New file.
2284 * testsuite/copy_test_1.cc: New file.
2285 * testsuite/copy_test_2.cc: New file.
2286 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
2287 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
2288 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
2289 (copy_test_1_pic.o, copy_test_1.so): New targets.
2290 (copy_test_2_pic.o, copy_test_2.so): New targets.
2291 * testsuite/Makefile.in: Rebuild.
2293 * script-sections.cc (Script_sections::place_orphan): Initialize
2294 local variable exact.
2296 2008-06-13 David Edelsohn <edelsohn@gnu.org>
2298 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
2300 2008-06-12 David Edelsohn <edelsohn@gnu.org>
2301 David S. Miller <davem@davemloft.net>
2303 * powerpc.cc: New file.
2304 * Makefile.am (TARGETSOURCES): Add powerpc.cc
2305 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
2306 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
2307 * Makefile.in: Rebuild.
2309 2008-06-09 Ian Lance Taylor <iant@google.com>
2311 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
2313 (throwing, orig_terminate): New static variables.
2314 (terminate_handler): New static function.
2315 (t2): Set terminate handler.
2317 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
2320 * binary.cc (Binary_to_elf::sized_convert): Fix .data
2323 2008-05-30 Cary Coutant <ccoutant@google.com>
2325 * archive.cc (Archive::include_all_members) Correct to step
2326 over symbol table and extended name table in thin archives.
2328 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
2331 * target-reloc.h (relocate_for_relocatable): Fix new_offset
2334 2008-05-28 Caleb Howe <cshowe@google.com>
2336 * reduced_debug_output.cc: New file.
2337 * reduced_debug_output.h: New file.
2338 * options.h (class General_options): Add --strip-debug-non-line.
2339 * options.cc (General_options::finalize): Add strip_debug_non_line
2340 to the strip heirarchy.
2341 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
2343 * layout.cc: Include "reduced_debug_output.h".
2344 (Layout::Layout): Initialize new fields.
2345 (line_only_debug_sections): New static array.
2346 (is_lines_only_debug_sections): New static inline function.
2347 (Layout::include_section): Handle --strip-debug-non-line.
2348 (Layout::make_output_section): If --strip-debug-non-line, build
2349 new output sections for .debug_abbrev and .debug_info.
2350 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
2351 gold. Warn about possible overflow.
2352 (read_signed_LEB_128): Likewise.
2353 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
2354 (read_signed_LEB_128): Declare.
2355 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
2356 (HFILES): Add reduced_debug_output.h.
2357 * Makefile.in: Rebuild.
2359 2008-05-21 Ian Lance Taylor <iant@google.com>
2361 * mapfile.cc: New file.
2362 * mapfile.h: New file.
2363 * options.h (class General_options): Add -M/--print-map and -Map.
2364 * options.cc (General_options::finalize): Make -M equivalent to
2366 * main.cc: Include <cstdio> and "mapfile.h".
2367 (main): Open mapfile if requested.
2368 * gold.cc (class Middle_runner): Add mapfile_ field. Update
2369 constructor. Change caller.
2370 (queue_initial_tasks): Add mapfile parameter. Change caller.
2371 (queue_middle_tasks): Likewise.
2372 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
2374 * archive.cc: Include "mapfile.h".
2375 (Archive::add_symbols): Add mapfile parameter. Change all
2376 callers. Pass mapfile, symbol, and reason to include_member.
2377 (Archive::include_all_members): Add mapfile parameter. Change all
2379 (Archive::include_member): Add mapfile, sym, and why parameters.
2380 Change all callers. Report inclusion to map file.
2381 * archive.h: Include "fileread.h".
2382 (class Archive): Update declarations.
2383 (Archive::file): New const method.
2384 (class Add_archive_symbols): Add mapfile_ field. Update
2385 constructor. Change all callers.
2386 * readsyms.h (class Read_symbols): Likewise.
2387 (class Finish_group): Likewise.
2388 (class Read_script): Likewise.
2389 * common.cc: Include "mapfile.h".
2390 (Symbol_table::allocate_commons): Add mapfile parameter. Change
2392 (Symbol_table::do_allocate_commons): Likewise.
2393 (Symbol_table::do_allocate_commons_list): Likewise. Report common
2394 symbol allocation to mapfile.
2395 * common.h (class Allocate_commons_task): Add mapfile_ field.
2396 Update constructor. Change all callers.
2397 * symtab.h (class Symbol_table): Update declarations.
2398 * layout.cc: Include "mapfile.h".
2399 (Layout_task_runner::run): Print information to mapfile.
2400 (Layout::create_gold_note): Change Output_data_fixed_space to
2401 Output_data_zero_fill.
2402 (Layout::create_build_id): Likewise.
2403 (Layout::print_to_mapfile): New function.
2404 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
2405 constructor. Change caller.
2406 (class Layout): Declare print_to_mapfile.
2407 * output.cc (Output_section::Input_section::print_to_mapfile): New
2409 (Output_section::add_input_section): If producing a map, always
2410 add to input_sections_ list.
2411 (Output_section::do_print_to_mapfile): New function.
2412 (Output_segment::print_sections_to_mapfile): New function.
2413 (Output_segment::print_section_list_to_mapfile): New function.
2414 * output.h: Include "mapfile.h".
2415 (Output_data::print_to_mapfile): New function.
2416 (Output_data::do_print_to_mapfile): New virtual function.
2417 (Output_segment_headers::do_print_to_mapfile): New function.
2418 (Output_file_header::do_print_to_mapfile): New function.
2419 (Output_data_const::do_print_to_mapfile): New function.
2420 (class Output_data_const_buffer): Add map_name_ field. Update
2421 constructor. Change all callers. Add do_print_to_mapfile
2423 (class Output_data_fixed_space): Likewise.
2424 (class Output_data_space): Likewise.
2425 (class Output_data_zero_fill): New class.
2426 (Output_data_strtab::do_print_to_mapfile): New function.
2427 (Output_data_reloc_base::do_print_to_mapfile): New function.
2428 (Output_relocatable_relocs::do_print_to_mapfile): New function.
2429 (Output_data_group::do_print_to_mapfile): New function.
2430 (Output_data_got::do_print_to_mapfile): New function.
2431 (Output_data_dynamic::do_print_to_mapfile): New function.
2432 (Output_symtab_xindex::do_print_to_mapfile): New function.
2433 (class Output_section): Declare do_print_to_mapflie. Declare
2434 print_to_mapfile in Input_section.
2435 (class Output_segment): Declare new functions.
2436 * object.h (Sized_relobj::symbol_count): New function.
2437 * script-sections.cc
2438 (Output_section_element_dot_assignment::set_section_addresses):
2439 Change Output_data_fixed_space to Output_data_zero_fill.
2440 (Output_data_expression::do_print_to_mapfile): New function.
2441 * script.cc (read_input_script): Add mapfile parameter. Change
2443 * script.h (read_input_script): Update declaration.
2444 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
2445 (Eh_frame::do_print_to_mapfile): New function.
2446 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
2447 (Output_merge_string::do_print_to_mapfile): New function.
2448 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
2450 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
2452 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
2454 * Makefile.am (CCFILES): Add mapfile.cc.
2455 (HFILES): Add mapfile.h.
2456 * Makefile.in: Rebuild.
2458 2008-05-19 Ian Lance Taylor <iant@google.com>
2460 * options.h (class General_options): Add -z relro.
2461 * layout.cc (Layout::Layout): Initialize relro_segment_.
2462 (Layout::add_output_section_data): Return the output section.
2463 (Layout::make_output_section): Rcognize relro sections and mark
2465 (Layout::attach_allocated_section_to_segment): Put relro sections
2466 in a PT_GNU_RELRO segment.
2467 (Layout::create_initial_dynamic_sections): Mark the .dynamic
2469 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
2471 (Layout::linkonce_mapping): Map d.rel.ro.local to
2473 (Layout::output_section_name): Us .data.rel.ro.local for any
2474 section which begins with that.
2475 * layout.h (class Layout): Update add_output_section_data
2476 declaration. Add relro_segment_ field.
2477 * output.cc (Output_section::Output_section): Initialize is_relro_
2478 and is_relro_local_ fields.
2479 (Output_segment::add_output_section): Group relro sections.
2480 (Output_segment::is_first_section_relro): New function.
2481 (Output_segment::maximum_alignment): If there is a relro section,
2482 align the segment to the common page size.
2483 (Output_segment::set_section_addresses): Track whether we are
2484 looking at relro sections. If the last section is a relro
2485 section, align to the common page size.
2486 (Output_segment::set_section_list_addresses): Add in_relro
2487 parameter. Change all callers. Align to the page size when
2488 moving from relro to non-relro section.
2489 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
2491 * output.h (class Output_section): Add is_relro_ and
2492 is_relro_local_ fields.
2493 (Output_section::is_relro): New function.
2494 (Output_section::set_is_relro): New function.
2495 (Output_section::is_relro_local): New function.
2496 (Output_section::set_is_relro_local): New function.
2497 (class Output_segment): Update declarations.
2498 * i386.cc (Target_i386::got_section): Mark .got section as relro.
2499 * sparc.cc (Target_sparc::got_section): Likewise.
2500 * x86_64.cc (Target_x86_64::got_section): Likewise.
2501 * testsuite/relro_test_main.cc: New file.
2502 * testsuite/relro_test.cc: New file.
2503 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
2504 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
2505 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
2506 (relro_test.so, relro_test_pic.o): New targets.
2507 * testsuite/Makefile.in: Rebuild.
2509 2008-05-16 Ian Lance Taylor <iant@google.com>
2511 * output.cc (Output_segment::add_output_section): Remove front
2513 * output.h (class Output_segment): Remove
2514 add_initial_output_section and overloaded add_output_section.
2515 Update declaration of remaining add_output_section.
2516 * layout.cc (Layout::create_interp): Call add_output_section
2517 rather than add_initial_output_section.
2518 (Layout::finish_dynamic_section): Likewise.
2520 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
2521 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
2522 know the dynamic type.
2523 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
2524 field. Initialize it in constructor.
2525 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
2526 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
2527 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
2530 * output.cc (Output_reloc::get_address): Change return type to
2532 * output.h (class Output_reloc): Update get_address declaration.
2533 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
2534 for section addresses.
2536 2008-05-09 Ian Lance Taylor <iant@google.com>
2539 * gold.cc (gold_nomem): Use return value of write.
2541 2008-05-08 Ian Lance Taylor <iant@google.com>
2543 * symtab.c (Symbol::init_base_output_data): Add version
2544 parameter. Change all callers.
2545 (Symbol::init_base_output_segment): Likewise.
2546 (Symbol::init_base_constant): Likewise.
2547 (Symbol::init_base_undefined): Likewise.
2548 (Sized_symbol::init_output_data): Likewise.
2549 (Sized_symbol::init_output_segment): Likewise.
2550 (Sized_symbol::init_constant): Likewise.
2551 (Sized_symbol::init_undefined): Likewise.
2552 (Symbol_table::do_define_in_output_data): If the new symbol has a
2553 version, mark it as the default.
2554 (Symbol_table::do_define_in_output_segment): Likewise.
2555 (Symbol_table::do_define_as_constant): Likewise.
2556 * symtab.h (class Symbol): Update declarations.
2557 (class Sized_symbol): Likewise.
2558 * resolve.cc (Symbol::override_version): New function.
2559 (Symbol::override_base): Call override_version.
2560 (Symbol::override_base_with_special): Likewise.
2561 * testsuite/ver_script_8.script: New file.
2562 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
2563 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
2564 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
2565 (ver_test_8_1.so, ver_test_8_2.so): New targets.
2567 2008-05-06 Ian Lance Taylor <iant@google.com>
2570 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
2572 (class General_options): Remove existing --undefined, and add
2573 --no-undefined instead. Add new --undefined as synonym for -u.
2574 * archive.cc (Archive::add_symbols): Check whether symbol was
2576 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
2577 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
2578 all uses. Add IS_UNDEFINED. Update declarations to split
2579 different versions of init_base. Declare init_base_undefined.
2580 (Symbol::is_defined): Handle IS_UNDEFINED.
2581 (Symbol::is_undefined): Likewise.
2582 (Symbol::is_weak_undefined): Call is_undefined.
2583 (Symbol::is_absolute): Handle IS_CONSTANT.
2584 (class Sized_symbol): Update declarations to split different
2585 versions of init. Declare init_undefined.
2586 (class Symbol_table): Declare new functions.
2587 * symtab.cc (Symbol::init_base_object): Rename from init_base.
2589 (Symbol::init_base_output_data): Likewise.
2590 (Symbol::init_base_output_segment): Likewise.
2591 (Symbol::init_base_constant): Likewise.
2592 (Symbol::init_base_undefined): New function.
2593 (Sized_symbol::init_object): Rename from init. Change all
2595 (Sized_symbol::init_output_data): Likewise.
2596 (Sized_symbol::init_output_segment): Likewise.
2597 (Sized_symbol::init_constant): Likewise.
2598 (Sized_symbol::init_undefined): New function.
2599 (Symbol_table::add_undefined_symbols_from_command_line): New
2601 (Symbol_table::do_add_undefined_symbols_from_command_line): New
2603 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
2604 (Symbol::output_section): Likewise.
2605 (Symbol::set_output_section): Likewise.
2606 (Symbol_table::sized_finalize_symbol): Likewise.
2607 (Symbol_table::sized_write_globals): Likewise.
2608 * resolve.cc (Symbol_table::should_override): Likewise.
2609 (Symbol::override_base_with_special): Likewise.
2611 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
2612 symbol, change it to have default visibility.
2613 * testsuite/protected_1.cc: New file.
2614 * testsuite/protected_2.cc: New file.
2615 * testsuite/protected_3.cc: New file.
2616 * testsuite/protected_main_1.cc: New file.
2617 * testsuite/protected_main_2.cc: New file.
2618 * testsuite/protected_main_3.cc: New file.
2619 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
2620 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
2621 (protected_1_LDFLAGS, protected_1_LDADD): Define.
2622 (protected_1.so): New target.
2623 (protected_1_pic.o, protected_2_pic.o): New targets.
2624 (protected_3_pic.o): New target.
2625 (check_PROGRAMS): Add protected_2.
2626 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
2627 (protected_2_LDFLAGS, protected_2_LDADD): Define.
2628 * testsuite/Makefile.in: Rebuild.
2630 * options.h (DEFINE_var): Add set_user_set_##varname__.
2631 (DEFINE_bool_alias): New macro.
2632 (class General_options): Define -Bstatic using DEFINE_bool_alias
2633 rather than DEFINE_special. Add --undefined as an alias for -z
2635 * options.cc (General_options::parse_Bstatic): Remove.
2637 * options.h (class General_options): Add --fatal-warnings.
2638 * main.cc (main): Implement --fatal-warnings.
2639 * errors.h (Errors::warning_count): New function.
2641 * options.h (class General_options): Add -Bsymbolic-functions.
2642 * symtab.h (Symbol::is_preemptible): Check for
2643 -Bsymbolic-functions.
2645 2008-05-05 Ian Lance Taylor <iant@google.com>
2647 * options.h (DEFINE_bool): For DASH_Z, create the negative option
2648 as noVARNAME rather than no-VARNAME.
2649 (class General_options): Add option -z combreloc.
2650 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
2652 (Output_reloc::sort_before) [SHT_REL]: New function.
2653 (Output_reloc::sort_before) [SHT_RELA]: New function.
2654 (class Output_data_reloc_base): Add sort_relocs_ field. Define
2655 Sort_relocs_comparison.
2656 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
2657 parameter. Change all callers.
2658 (Output_data_reloc::Output_data_reloc) [both versions]: Add
2659 sort_relocs parameter. Change all callers.
2660 * output.cc (Output_reloc::get_address): New function, broken out
2662 (Output_reloc::write_rel): Call it.
2663 (Output_reloc::compare): New function.
2664 (Output_data_reloc_base::do_write): Optionally sort relocs.
2666 * configure.ac: If targ_extra_obj is set, link it in.
2667 * configure.tgt: Initialize all variables.
2668 (x86_64*): Set targ_extra_obj and targ_extra_size.
2669 * configure: Rebuild.
2671 * object.cc (Sized_relobj::include_section_group): Adjust section
2672 indexes read from group data. Build vector to pass to
2674 * layout.cc (Layout::layout_group): Add flags and shndxes
2675 parameters. Remove contents parameter. Change caller. Update
2676 explicit instantiations.
2677 * layout.h (class Layout): Update layout_group declaration.
2678 * output.cc (Output_data_group::Output_data_group): Add flags and
2679 input_shndxes parameters. Remove contents parameter. Change
2681 (Output_data_group::do_write): Change input_sections_ to
2683 * output.h (class Output_data_group): Update constructor
2684 declaration. Rename input_sections_ to input_shndxes_.
2685 * testsuite/many_sections_test.cc: Add template.
2687 2008-04-30 Cary Coutant <ccoutant@google.com>
2689 * target-reloc.h (relocate_section): Fix dead-pointer bug.
2691 * layout.cc (Layout::include_section): Refactored check for debug
2693 (Layout::add_comdat): Add new parameters. Change type
2694 of signature parameter. Add object and shndx to signatures table.
2695 (Layout::find_kept_object): New function.
2696 * layout.h: Include <cstring>.
2697 (Layout::is_debug_info_section): New function.
2698 (Layout::add_comdat): Add new parameters.
2699 (Layout::find_kept_object): New function.
2700 (Layout::Kept_section): New struct.
2701 (Layout::Signatures): Change type of map range.
2702 * object.cc (Relobj::output_section_address): New function.
2703 (Sized_relobj::include_section_group): Add new parameters. Change
2704 calls to Layout::add_comdat. Change to build table of kept comdat
2705 groups and table mapping discarded sections to kept sections.
2706 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
2707 (Sized_relobj::do_layout): Change calls to include_section_group and
2708 include_linkonce_section.
2709 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
2710 value to zero when section is discarded.
2711 (Sized_relobj::map_to_kept_section): New function.
2712 * object.h (Relobj::output_section_address): New function.
2713 (Relobj::Comdat_group): New type.
2714 (Relobj::find_comdat_group): New function.
2715 (Relobj::Comdat_group_table): New type.
2716 (Relobj::Kept_comdat_section): New type.
2717 (Relobj::Kept_comdat_section_table): New type.
2718 (Relobj::add_comdat_group): New function.
2719 (Relobj::set_kept_comdat_section): New function.
2720 (Relobj::get_kept_comdat_section): New function.
2721 (Relobj::comdat_groups_): New field.
2722 (Relobj::kept_comdat_sections_): New field.
2723 (Symbol_value::input_value): Update comment.
2724 (Sized_relobj::map_to_kept_section) New function.
2725 (Sized_relobj::include_linkonce_section): Add new parameter.
2726 * target-reloc.h (Comdat_behavior): New type.
2727 (get_comdat_behavior): New function.
2728 (relocate_section): Add code to map a discarded section to the
2729 corresponding kept section when applying a relocation.
2731 2008-04-30 Craig Silverstein <csilvers@google.com>
2733 * dwarf_reader.cc (next_generation_count): New static var.
2734 (Addr2line_cache_entry): New struct.
2735 (addr2line_cache): New static var.
2736 (Dwarf_line_info::one_addr2line): Added caching.
2737 (Dwarf_line_info::clear_addr2line_cache): New function.
2738 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
2739 cache-size parameter.
2740 (Dwarf_line_info::one_addr2line_cache): New function.
2741 * symtab.cc (Symbol_table::detect_odr_violations): Pass
2742 new cache-size argument to one_addr2line(), and clear cache.
2744 2008-04-28 Cary Coutant <ccoutant@google.com>
2746 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
2747 R_386_PC8 relocations.
2749 2008-04-23 Ian Lance Taylor <iant@google.com>
2751 * object.cc (Sized_relobj::include_section_group): Check for
2752 invalid section group.
2754 * object.cc (make_elf_object): Correct test for 64-bit ELF file
2757 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
2758 than read for file header.
2759 * archive.cc (Archive::include_member): Likewise.
2761 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
2763 * aclocal.m4: Regenerate.
2764 * configure: Regenerate.
2766 2008-04-19 Ian Lance Taylor <iant@google.com>
2768 * version.cc (version_string): Bump to 1.6.
2770 * testsuite/Makefile.am (many_sections_r_test): New target.
2771 (many_sections_r_test_SOURCES): Remove.
2772 (many_sections_r_test_DEPENDENCIES): Remove.
2773 (many_sections_r_test_LDFLAGS): Remove.
2774 (many_sections_r_test_LDADD): Remove.
2776 * object.cc (Sized_relobj::do_add_symbols): Always pass
2777 local_symbol_count_ to add_from_relobj.
2779 * testsuite/Makefile.am (many_sections_check.h): Only check one in
2780 every thousand variables.
2781 * testsuite/Makefile.in: Rebuild.
2783 * object.cc (Xindex::initialize_symtab_xindex): New function.
2784 (Xindex::read_symtab_xindex): New function.
2785 (Xindex::sym_xindex_to_shndx): New function.
2786 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
2788 (Sized_relobj::do_initialize_xindex): New function.
2789 (Sized_relobj::do_read_symbols): Adjust section links.
2790 (Sized_relobj::symbol_section_and_value): Add is_ordinary
2791 parameter. Change all callers.
2792 (Sized_relobj::include_section_group): Adjust section links and
2793 symbol section indexes.
2794 (Sized_relobj::do_layout): Adjust section links.
2795 (Sized_relobj::do_count_local_symbols): Adjust section links and
2796 symbol section indexes.
2797 (Sized_relobj::do_finalize_local_symbols): Distinguish between
2798 ordinary and special symbols.
2799 (Sized_relobj::write_local_symbols): Add symtab_xindex and
2800 dynsym_xindex parameters. Change all callers. Adjust section
2801 links. Use SHN_XINDEX when needed.
2802 (Sized_relobj::get_symbol_location_info): Adjust section links.
2803 Don't get fooled by special symbols.
2804 * object.h (class Xindex): Define.
2805 (class Object): Add xindex_ parameter. Declare virtual functoin
2806 do_initialize_xindex.
2807 (Object::adjust_sym_shndx): New function.
2808 (Object::set_xindex): New protected function.
2809 (class Symbol_value): Add is_ordinary_shndx_ field.
2810 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
2811 (Symbol_value::value): Assert ordinary section.
2812 (Symbol_value::initialize_input_to_output_map): Likewise.
2813 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
2815 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
2817 (class Sized_relobj): Update declarations.
2818 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
2819 parameter. Change all callers.
2820 (Sized_relobj::adjust_shndx): New function.
2821 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
2823 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
2824 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
2825 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
2826 (Sized_dynobj::read_dynsym_section): Adjust section links.
2827 (Sized_dynobj::read_dynamic): Likewise.
2828 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
2830 (Sized_dynobj::do_initialize_xindex): New function.
2831 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
2832 do_initialize_xindex.
2833 (Sized_dynobj::adjust_shndx): New function.
2834 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
2835 dynsym_xindex_ fields.
2836 (Layout::finalize): Add a call to set_section_indexes before
2837 creating the symtab sections.
2838 (Layout::set_section_indexes): Don't do anything if the section
2839 already has a section index.
2840 (Layout::create_symtab_sections): Add shnum parameter. Change
2841 caller. Create .symtab_shndx section if needed.
2842 (Layout::create_shdrs): Add shstrtab_section parameter. Change
2844 (Layout::allocated_output_section_count): New function.
2845 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
2847 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
2848 fields. Update declarations.
2849 (Layout::symtab_xindex): New function.
2850 (Layout::dynsym_xindex): New function.
2851 (class Write_symbols_task): Add layout_ field.
2852 (Write_symbols_task::Write_symbols_task): Add layout parameter.
2854 * output.cc (Output_section_headers::Output_section_headers): Add
2855 shstrtab_section parameter. Change all callers.
2856 (Output_section_headers::do_sized_write): Store overflow values
2857 for section count and section string table section index in
2858 section header zero.
2859 (Output_file_header::do_sized_write): Check for overflow of
2860 section count and section string table section index.
2861 (Output_symtab_xindex::do_write): New function.
2862 (Output_symtab_xindex::endian_do_write): New function.
2863 * output.h (class Output_section_headers): Add shstrtab_section_.
2864 Update declarations.
2865 (class Output_symtab_xindex): Define.
2866 (Output_section::has_out_shndx): New function.
2867 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
2869 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
2871 (Sized_symbol::init): Likewise.
2872 (Symbol::output_section): Check for ordinary symbol.
2873 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
2874 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
2876 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
2877 Change all callers. Simplify handling of symbols from sections
2878 not included in the link.
2879 (Symbol_table::add_from_dynobj): Handle ordinary symbol
2881 (Weak_alias_sorter::operator()): Assert that symbols are
2883 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
2885 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
2886 parameters. Change all callers.
2887 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
2888 symbol distinction. Use SHN_XINDEX when needed.
2889 (Symbol_table::write_section_symbol): Add symtab_xindex
2890 parameter. Change all callers.
2891 (Symbol_table::sized_write_section_symbol): Likewise. Use
2892 SHN_XINDEX when needed.
2893 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
2895 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
2896 (Symbol::is_defined): Check is_ordinary.
2897 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
2898 (Symbol::is_absolute, Symbol::is_common): Likewise.
2899 (class Sized_symbol): Update declarations.
2900 (class Symbol_table): Update declarations.
2901 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
2902 parameters. Change all callers.
2903 (Sized_symbol::override): Likewise.
2904 (Symbol_table::override): Likewise.
2905 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
2906 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
2907 is_ordinary, and orig_st_shndx parameters. Change all callers.
2908 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
2909 to be in an ordinary section.
2910 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
2911 object and is_ordinary parameters. Change all callers.
2912 (Sized_dwarf_line_info::read_relocs): Add object parameter.
2913 Change all callers. Don't add undefined or non-ordinary symbols
2915 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
2917 * dwarf_reader.h (class Sized_dwarf_line_info): Update
2919 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
2920 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
2921 (Sized_relobj::relocate_sections): Likewise.
2922 * target-reloc.h (scan_relocs): Adjust section symbol index.
2923 (scan_relocatable_relocs): Likewise.
2924 * i386.cc (Scan::local): Check for ordinary symbols.
2925 * sparc.cc (Scan::local): Likewise.
2926 * x86_64.cc (Scan::local): Likewise.
2927 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
2928 to symbol_section_and_value.
2929 * testsuite/many_sections_test.cc: New file.
2930 * testsuite/Makefile.am (BUILT_SOURCES): Define.
2931 (check_PROGRAMS): Add many_sections_test.
2932 (many_sections_test_SOURCES): Define.
2933 (many_sections_test_DEPENDENCIES): Define.
2934 (many_sections_test_LDFLAGS): Define.
2935 (BUILT_SOURCES): Add many_sections_define.h.
2936 (many_sections_define.h): New target.
2937 (BUILT_SOURCES): Add many_sections_check.h.
2938 (many_sections_check.h): New target.
2939 (check_PROGRAMS): Add many_sections_r_test.
2940 (many_sections_r_test_SOURCES): Define.
2941 (many_sections_r_test_DEPENDENCIES): Define.
2942 (many_sections_r_test_LDFLAGS): Define.
2943 (many_sections_r_test_LDADD): Define.
2944 (many_sections_r_test.o): New target.
2945 * testsuite/Makefile.in: Rebuild.
2947 2008-04-17 Cary Coutant <ccoutant@google.com>
2949 * errors.cc (Errors::info): New function.
2950 (gold_info): New function.
2951 * errors.h (Errors::info): New function.
2952 * gold.h (gold_info): New function.
2953 * object.cc (Input_objects::add_object): Print trace output.
2954 * options.cc (options::parse_set): New function.
2955 (General_options::parse_wrap): Deleted.
2956 (General_options::General_options): Deleted initializer.
2957 * options.h (options::String_set): New typedef.
2958 (options::parse_set): New function.
2959 (DEFINE_set): New macro.
2960 (General_options::wrap): Changed to use DEFINE_set. Changed
2961 callers of any_wrap_symbols and is_wrap_symbol.
2962 (General_options::trace, General_options::trace_symbol):
2964 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
2965 (General_options::wrap_symbols_): Deleted.
2966 * symtab.cc (Symbol_table::add_from_object): Print trace output.
2968 2008-04-17 David S. Miller <davem@davemloft.net>
2970 * options.cc (General_options::parse_V): New function.
2971 * options.h: Add entries for -V and -Qy.
2973 2008-04-17 Ian Lance Taylor <iant@google.com>
2975 * common.cc (Symbol_table::allocate_commons): Remove options
2976 parameter. Change caller.
2977 (Symbol_table::do_allocate_commons): Remove options parameter.
2978 Change caller. Just call do_allocate_commons_list twice.
2979 (Symbol_table::do_allocate_commons_list): New function, broken out
2980 of do_allocate_commons.
2981 * common.h (class Allocate_commons_task): Remove options_ field.
2983 * symtab.cc (Symbol_table::Symbol_table): Initialize
2985 (Symbol_table::add_from_object): Put TLS common symbols on
2987 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
2988 which are IN_OUTPUT_DATA.
2989 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
2990 allocate_commons and do_allocate_commons declarations. Declare
2991 do_allocate_commons_list.
2992 * gold.cc (queue_middle_tasks): Update creation of
2993 Allocate_commons_task to not pass options.
2994 * testsuite/Makefile.am (INCLUDES): Add -I.. .
2995 (TLS_TEST_C_FLAGS): New variable.
2996 (tls_test_c_pic.o): New target.
2997 (tls_test_shared.so): Link in tls_test_c_pic.o.
2998 (tls_test_c_pic_ie.o): New target.
2999 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
3000 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
3001 (tls_test_c.o): New target.
3002 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
3003 (tls_pic_test_LDADD): Likewise.
3004 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
3005 (tls_shared_gd_to_ie_test_LDADD): Likewise.
3006 (tls_test_c_gnu2.o): New target.
3007 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
3009 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
3010 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
3011 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
3012 * testsuite/tls_test.cc: Include "config.h".
3013 (t_last): Call t11_last.
3014 * testsuite/tls_test.h (t11, t11_last): Declare.
3015 * testsuite/tls_test_c.c: New file.
3016 * testsuite/tls_test_main.cc (thread_routine): Call t11.
3017 * configure.ac: Check for OpenMP support.
3018 * configure, config.in, Makefile.in: Rebuild.
3019 * testsuite/Makefile.in: Rebuild.
3021 2008-04-16 Cary Coutant <ccoutant@google.com>
3023 * i386.cc (Target_i386::define_tls_base_symbol): New function.
3024 (Target_i386::tls_base_symbol_defined_): New field.
3025 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3026 (Target_i386::Scan::global): Likewise.
3027 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
3028 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
3029 (Target_x86_64::tls_base_symbol_defined_): New field.
3030 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3031 (Target_x86_64::Scan::global): Likewise.
3033 2008-04-16 Cary Coutant <ccoutant@google.com>
3035 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
3036 (Symbol::needs_plt_entry): Allow weak undefined symbols.
3037 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
3038 building shared libraries.
3039 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
3040 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
3041 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
3042 * testsuite/Makefile.in: Rebuild.
3043 * testsuite/weak_undef.h: New file.
3044 * testsuite/weak_undef_file1.cc: Add extra test cases.
3045 * testsuite/weak_undef_file2.cc: Likewise.
3046 * testsuite/weak_undef_test.cc: Likewise.
3048 2008-04-16 David S. Miller <davem@davemloft.net>
3050 * sparc.cc (Target_sparc::Scan): Change from struct to class.
3051 Add issued_non_pic_error_ field. Declare check_non_pic.
3052 (Target_sparc::Scan::check_non_pic): New function.
3053 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
3054 (Target_sparc::Scan::global): Likewise.
3056 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
3057 * configure: Rebuild.
3059 * options.h (DEFINE_enable): New macro.
3060 (new_dtags): New enable option.
3061 (initfirst, interpose, loadfltr, nodefaultlib,
3062 nodelete, nodlopen, nodump): New -z options.
3063 * layout.cc (Layout:finish_dynamic_section): If new
3064 dtags enabled, emit DT_RUNPATH. Also, emit a
3065 DT_FLAGS_1 containing any specified -z flags.
3067 2008-04-16 Ian Lance Taylor <iant@google.com>
3069 * copy-relocs.cc: New file.
3070 * copy-relocs.h: New file.
3071 * reloc.cc: Remove Copy_relocs code.
3072 * reloc.h: Likewise.
3073 * reloc-types.h (struct Reloc_types) [both versions]: Add
3074 get_reloc_addend_noerror.
3075 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
3076 variants of add_global which take an addend which must be zero.
3077 * i386.cc: Include "copy-relocs.h".
3078 (class Target_i386): Change type of copy_relocs_ to variable,
3080 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
3082 (Target_i386::do_finalize_sections): Change handling of
3084 * sparc.cc: Include "copy-relocs.h".
3085 (class Target_sparc): Change type of copy_relocs_ to variable,
3087 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
3089 (Target_sparc::do_finalize_sections): Change handling of
3091 * x86_64.cc: Include "copy-relocs.h".
3092 (class Target_x86_64): Change type of copy_relocs_ to variable,
3094 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
3095 class. Change all callers.
3096 (Target_x86_64::do_finalize_sections): Change handling of
3098 * Makefile.am (CCFILES): Add copy-relocs.cc.
3099 (HFILES): Add copy-relocs.h.
3101 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
3103 * testsuite/script_test_4.sh: Permit leading zeroes.
3105 2008-04-15 Ian Lance Taylor <iant@google.com>
3107 * script-sections.cc (Script_sections::create_segments): Use
3108 header_size_adjustment even when there is enough room for the
3110 * testsuite/script_test_4.sh: New file.
3111 * testsuite/script_test_4.t: New file.
3112 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
3113 (check_DATA): Add script_test_4.stdout.
3114 (MOSTLYCLEANFILES): Likewise.
3115 (script_test_4): New target.
3116 (script_test_4.stdout): New target.
3117 * testsuite/Makefile.in: Rebuild.
3119 * sparc.cc: Add definitions for Output_data_plt_sparc class
3122 2008-04-14 David S. Miller <davem@davemloft.net>
3124 * sparc.cc: New file.
3125 * Makefile.am (TARGETSOURCES): Add sparc.cc
3126 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
3127 * configure.tgt: Document targ_extra_size and
3128 targ_extra_big_endian. Add entries for sparc-* and
3130 * configure.ac: Handle targ_extra_size and
3131 targ_extra_big_endian.
3132 * Makefile.in: Rebuild.
3133 * configure: Likewise.
3134 * po/POTFILES.in: Likewise.
3135 * po/gold.pot: Likewise.
3137 2008-04-14 Ian Lance Taylor <iant@google.com>
3139 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
3140 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
3141 in the name/type/flags to section mapping. Don't call
3142 allocate_output_section.
3143 (Layout::choose_output_section): Change parameter from adjust_name
3144 to is_input_section. Don't permit input sections after sections
3145 are attached to segments. Don't call allocate_output_section.
3146 (Layout::layout_eh_frame): Call update_flags_for_input_section,
3147 not write_enable_output_section.
3148 (Layout::make_output_section): Don't push to
3149 unattached_section_list_ nor call attach_to_segment. Call
3150 attach_section_to_segment if sections are attached.
3151 (Layout::attach_sections_to_segments): New function.
3152 (Layout::attach_section_to_segment): New function.
3153 (Layout::attach_allocated_section_to_segment): Rename from
3154 attach_to_segment. Remove flags parameter.
3155 (Layout::allocate_output_section): Remove function.
3156 (Layout::write_enable_output_section): Remove function.
3157 * layout.h (class Layout): Update for above changes. Add new
3158 field sections_are_attached_.
3159 * output.h (Output_section::update_flags_for_input_section): New
3161 * output.cc (Output_section::add_input_section): Call
3162 update_flags_for_input_section.
3163 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
3165 2008-04-11 Cary Coutant <ccoutant@google.com>
3167 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
3168 thought unnecessary.
3169 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
3171 2008-04-11 Ian Lance Taylor <iant@google.com>
3173 * output.h (class Output_section_data): Remove inline definition
3175 * output.cc (Output_section_data::set_addralign): New function.
3177 2008-04-11 Cary Coutant <ccoutant@google.com>
3179 Add support for TLS descriptors for i386 and x86_64.
3180 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
3181 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
3182 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
3184 (Target_i386::got_mod_index_entry): Remove unnecessary code.
3185 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
3186 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
3188 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
3189 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
3190 Fix problem with initial-exec relocations.
3191 (Target_i386::Relocate::relocate_tls): Likewise.
3192 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
3194 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
3195 support for section-plus-offset dynamic table entries.
3196 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
3197 (Output_data_dynamic::Dynamic_entry): Add support for
3198 section-plus-offset dynamic table entries.
3199 (Output_data_dynamic::Classification): Likewise.
3200 (Output_data_dynamic::classification_): Renamed offset_.
3201 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
3202 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
3203 (Target_x86_64::make_plt_section): New function.
3204 (Target_x86_64::reserve_tlsdesc_entries): New function.
3205 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
3206 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
3207 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
3208 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
3209 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
3210 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
3211 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
3212 add extra PLT entry for TLS descriptors.
3213 (Output_data_plt_x86_64::got_): New field.
3214 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
3215 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
3217 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
3219 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
3220 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
3221 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
3222 R_386_TLS_DESC_CALL relocations.
3223 (Target_x86_64::Scan::global): Likewise.
3224 (Target_x86_64::do_finalize_sections): Add dynamic table entries
3225 for TLS descriptors.
3226 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
3227 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
3228 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
3229 GD-to-IE relaxation.
3230 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
3231 and TLS_DESCRIPTORS.
3232 * Makefile.in: Rebuild.
3233 * configure: Rebuild.
3234 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
3235 (tls_test_shared2.so): New target.
3236 (tls_shared_gd_to_ie_test_SOURCES): New variable.
3237 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
3238 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
3239 (tls_shared_gd_to_ie_test_LDADD): New variable.
3240 (tls_shared_gnu2_gd_to_ie_test): New target.
3241 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
3243 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
3244 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
3245 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
3246 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
3247 (tls_shared_gnu2_test): New target.
3248 (tls_test_gnu2_shared.so): New target.
3249 (tls_shared_gnu2_test_SOURCES): New variable.
3250 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
3251 (tls_shared_gnu2_test_LDFLAGS): New variable.
3252 (tls_shared_gnu2_test_LDADD): New variable.
3253 * testsuite/Makefile.in: Rebuild.
3254 * testsuite/Makefile.
3256 2008-04-11 Ian Lance Taylor <iant@google.com>
3258 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
3260 * testsuite/Makefile.in: Rebuild.
3262 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
3264 * testsuite/script_test_2.cc (main): Adjust test.
3266 2008-04-11 David S. Miller <davem@davemloft.net>
3267 Ian Lance Taylor <iant@google.com>
3269 * options.h (General_options): Add entries for '-Y' and
3271 * options.cc (General_options:finalize): If -Y was used, add those
3272 entries to the library path instead of the default "/lib" and
3275 2008-04-11 David S. Miller <davem@davemloft.net>
3277 * testsuite/justsyms.t: Start at 0x100.
3278 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
3279 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
3281 * testsuite/script_test_2.cc: Adjust string and section length
3284 2008-04-09 Ian Lance Taylor <iant@google.com>
3287 * script-sections.cc (Sections_element::allocate_to_segment): Add
3289 (Output_section_definition::allocate_to_segment): Likewise.
3290 (Orphan_output_section::allocate_to_segment): Likewise.
3291 (Script_sections::attach_sections_using_phdrs_clause): Don't
3292 propagate non-PT_LOAD segments to orphan sections.
3293 * testsuite/Makefile.am (script_test_3.stdout): Generate using
3294 readelf rather than objdump.
3295 * testsuite/script_test_3.sh: Adjust accordingly. Test that
3296 .interp section and PT_INTERP segment are the same size.
3297 * testsuite/Makefile.in: Rebuild.
3299 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
3300 aliases for symbols defined in the same object.
3301 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
3302 (weak_alias_test_SOURCES): New variable.
3303 (weak_alias_test_DEPENDENCIES): New variable.
3304 (weak_alias_test_LDFLAGS): New variable.
3305 (weak_alias_test_LDADD): New variable.
3306 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
3307 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
3308 (weak_alias_test_3.o): New target.
3309 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
3310 * testsuite/weak_alias_test_main.cc: New file.
3311 * testsuite/weak_alias_test_1.cc: New file.
3312 * testsuite/weak_alias_test_2.cc: New file.
3313 * testsuite/weak_alias_test_3.cc: New file.
3315 2008-04-08 Ian Lance Taylor <iant@google.com>
3317 * options.h (class General_options): Add --noinhibit-exec option.
3318 * main.cc (main): Check --noinhibit-exec.
3320 * options.h (class General_options): Define --wrap as a special
3321 option. Add wrap_symbols_ field.
3322 (General_options::any_wrap_symbols): New function.
3323 (General_options::is_wrap_symbol): New function.
3324 * options.cc (General_options::parse_wrap): New function.
3325 (General_options::General_options): Initialize wrap_symbols_.
3326 * symtab.cc (Symbol_table::wrap_symbol): New function.
3327 (Symbol_table::add_from_object): Handle --wrap.
3328 * symtab.h (class Symbol_table): Declare wrap_symbol.
3329 * target.h (Target::wrap_char): New function.
3330 (Target::Target_info): Add wrap_char field.
3331 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
3332 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3333 * testsuite/testfile.cc (Target_test::test_target_info):
3336 * errors.cc (Errors::undefined_symbol): Mention symbol version if
3339 * layout.h (class Layout): Add added_eh_frame_data_ field.
3340 * layout.cc (Layout::Layout): Initialize new field.
3341 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
3342 output section until we find a section we merged successfully.
3343 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
3344 that the size be non-zero.
3346 * merge.cc (Object_merge_map::get_output_offset): Remove inline
3349 2008-04-08 Craig Silverstein <csilvers@google.com>
3351 * configure.ac: Export new conditional variable HAVE_ZLIB.
3352 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
3354 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
3355 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3357 2008-04-07 Ian Lance Taylor <iant@google.com>
3359 * version.cc (version_string): Set to "1.5".
3361 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
3362 Add issued_non_pic_error_ field. Declare check_non_pic.
3363 (Target_x86_64::Scan::check_non_pic): New function.
3364 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
3365 (Target_x86_64::Scan::global): Likewise.
3367 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
3368 addend parameter. Change caller. Handle merge sections.
3369 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
3370 Address to Addend. Don't add in the result of
3371 local_section_offset, pass down the addend and use the returned
3373 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
3374 Update declarations of local_section_offset and symbol_value.
3375 * testsuite/two_file_test_1.cc (t18): New function.
3376 * testsuite/two_file_test_2.cc (f18): New function.
3377 * testsuite/two_file_test_main.cc (main): Call t18.
3378 * testsuite/two_file_test.h (t18, f18): Declare.
3380 * configure.ac: Don't test for objdump, c++filt, or readelf.
3381 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
3383 (TEST_READELF): New variable.
3384 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
3385 (check_PROGRAMS): Add two_file_strip_test.
3386 (two_file_strip_test): New target.
3387 (check_PROGRAMS): Add two_file_same_shared_strip_test.
3388 (two_file_same_shared_strip_test_SOURCES): New variable.
3389 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
3390 (two_file_same_shared_strip_test_LDFLAGS): New variable.
3391 (two_file_same_shared_strip_test_LDADD): New variable.
3392 (two_file_shared_strip.so): New target.
3393 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
3394 (ver_test_5.syms, ver_test_7.syms): Likewise.
3395 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
3396 (strip_test_3.stdout): Use TEST_OBJDUMP.
3397 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3399 2008-04-04 Cary Coutant <ccoutant@google.com>
3401 * symtab.h (Symbol::is_weak_undefined): New function.
3402 (Symbol::is_strong_undefined): New function.
3403 (Symbol::is_absolute): New function.
3404 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
3405 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
3407 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
3408 (weak_undef_test): New target.
3409 * testsuite/Makefile.in: Rebuild.
3410 * testsuite/weak_undef_file1.cc: New file.
3411 * testsuite/weak_undef_file2.cc: New file.
3412 * testsuite/weak_undef_test.cc: New file.
3414 2008-04-03 Craig Silverstein <csilvers@google.com>
3416 * compressed_output.h (class Output_compressed_section): Use
3418 * compressed_output.cc (zlib_compress): Use unsigned buffers,
3420 (zlib_compressed_suffix): Removed.
3421 (Output_compressed_section::set_final_data_size): Use unsigned
3423 * testsuite/Makefile.am (flagstest_compress_debug_sections):
3424 Fix linker invocation.
3425 (flagstest_o_specialfile_and_compress_debug_sections):
3427 * testsuite/Makefile.in: Regenerated.
3429 2008-04-02 David S. Miller <davem@davemloft.net>
3431 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
3432 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
3434 2008-04-02 Craig Silverstein <csilvers@google.com>
3438 2008-04-02 Ian Lance Taylor <iant@google.com>
3440 * fileread.cc (File_read::find_view): Add byteshift and vshifted
3441 parameters. Update for new key type to views_. Change all
3443 (File_read::read): Adjust for byteshift in returned view.
3444 (File_read::add_view): New function, broken out of
3446 (File_read::make_view): New function, broken out of
3448 (File_read::find_or_make_view): Add offset and aligned
3449 parameters. Rewrite accordingly. Change all callers.
3450 (File_read::get_view): Add offset and aligned parameters. Adjust
3451 for byteshift in return value.
3452 (File_read::get_lasting_view): Likewise.
3453 * fileread.h (class File_read): Update declarations.
3454 (class File_read::View): Add byteshift_ field. Add byteshift to
3455 constructor. Add byteshift method.
3456 * archive.h (Archive::clear_uncached_views): New function.
3457 (Archive::get_view): Add aligned parameter. Change all callers.
3458 * object.h (Object::get_view): Add aligned parameter. Change all
3460 (Object::get_lasting_view): Likewise.
3462 * fileread.cc (File_read::release): Don't call clear_views if
3463 there are multiple objects.
3464 * fileread.h (File_read::clear_uncached_views): New function.
3465 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
3468 2008-03-31 Cary Coutant <ccoutant@google.com>
3470 Add thin archive support.
3471 * archive.cc (Archive::armagt): New const.
3472 (Archive::setup): Remove task parameter and calls to unlock.
3473 (Archive::unlock_nested_archives): New function.
3474 (Archive::read_header): Add nested_off parameter. Change
3476 (Archive::interpret_header): Likewise.
3477 (Archive::include_all_members): Change to handle thin
3479 (Archive::include_member): Likewise.
3480 * archive.h (Archive::Archive): Add new parameters and
3482 (Archive::armagt): New const.
3483 (Archive::setup): Remove task parameter.
3484 (Archive::unlock_nested_archives): New function.
3485 (Archive::read_header): Add nested_off parameter.
3486 (Archive::interpret_header): Likewise.
3487 (Archive::Nested_archive_table): New typedef.
3488 (Archive::is_thin_archive_): New field.
3489 (Archive::nested_archives_): New field.
3490 (Archive::options_): New field.
3491 (Archive::dirpath_): New field.
3492 (Archive::task_): New field.
3493 * readsyms.cc (Read_symbols::do_read_symbols): Add check
3494 for thin archives. Pass additional parameters to
3495 Archive::Archive. Unlock the archive file after calling
3498 2008-03-29 Ian Lance Taylor <iant@google.com>
3500 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
3501 version symbol to be local.
3502 * testsuite/ver_test_4.sh: New file.
3503 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
3504 (check_DATA): Add ver_test_4.syms.
3505 (ver_test_4.syms): New target.
3506 * testsuite/Makefile.in: Rebuild.
3509 (Output_section::Input_section_sort_entry::has_priority): New
3511 (Output_section::Input_section_sort_entry::match_file_name): New
3513 (Output_section::Input_section_sort_entry::match_section_name):
3515 (Output_section::Input_section_sort_entry::match_section_name_prefix):
3517 (Output_section::Input_section_sort_entry::match_section_file):
3519 (Output_section::Input_section_sort_compare::operator()): Rewrite
3520 using new Input_section_sort_entry functions. Sort crtbegin and
3521 crtend first. Sort sections with no priority before sections with
3523 * testsuite/initpri1.c (d3): Check j != 4.
3524 (cd5): New constructor/destructor function.
3525 (main): Check j != 2.
3527 * symtab.cc (Symbol_table::add_from_object): If we don't use the
3528 new symbol when resolving, don't call set_is_default.
3529 * testsuite/ver_test_7.cc: New file.
3530 * testsuite/ver_test_7.sh: New file.
3531 * testsuite/Makefile.am (ver_test_7.so): New target.
3532 (ver_test_7.o): New target.
3533 (check_SCRIPTS): Add ver_test_7.sh.
3534 (check_DATA): Add ver_test_7.syms.
3535 (ver_test_7.syms): New target.
3537 2008-03-28 Ian Lance Taylor <iant@google.com>
3539 * layout.cc (Layout::layout): If we see an input section with a
3540 name that needs sorting, set the must_sort flag for the output
3542 (Layout::make_output_section): If the name of the output section
3543 indicates that it might require sorting, set the may_sort flag.
3544 * output.h (Output_section::may_sort_attached_input_sections): New
3546 (Output_section::set_may_sort_attached_input_sections): New
3548 (Output_section::must_sort_attached_input_sections): New
3550 (Output_section::set_must_sort_attached_input_sections): New
3552 (class Output_section): Declare Input_section_sort_entry. Define
3553 Input_section_sort_compare. Declare
3554 sort_attached_input_sections. Add new fields:
3555 may_sort_attached_input_sections_,
3556 must_sort_attached_input_sections_,
3557 attached_input_sections_are_sorted_.
3558 * output.cc (Output_section::Output_section): Initialize new
3560 (Output_section::add_input_section): Add an entry to
3561 input_sections_ if may_sort or must_sort are true.
3562 (Output_section::set_final_data_size): Call
3563 sort_attached_input_sections if necessary.
3564 (Output_section::Input_section_sort_entry): Define new class.
3565 (Output_section::Input_section_sort_compare::operator()): New
3567 (Output_section::sort_attached_input_sections): New function.
3568 * configure.ac: Check whether the compiler supports constructor
3569 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
3570 * testsuite/initpri1.c: New file.
3571 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
3572 CONSTRUCTOR_PRIORITY.
3573 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
3574 (initpri1_LDFLAGS): New variable.
3575 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3577 2008-03-27 Ian Lance Taylor <iant@google.com>
3579 * common.cc (Sort_commons::operator): Correct sorting algorithm.
3580 * testsuite/common_test_1.c: New file.
3581 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
3582 (common_test_1_SOURCES): New variable.
3583 (common_test_1_DEPENDENCIES): New variable.
3584 (common_test_1_LDFLAGS): New variable.
3586 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
3587 and commons_ correctly when NAME/VERSION does not override
3589 * testsuite/ver_test_6.c: New file.
3590 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
3591 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
3592 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
3594 2008-03-26 Ian Lance Taylor <iant@google.com>
3596 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
3597 of an undefined symbol from a version script.
3598 * testsuite/Makefile.am (ver_test_5.so): New target.
3599 (ver_test_5.o): New target.
3600 (check_SCRIPTS): Add ver_test_5.sh.
3601 (check_DATA): Add ver_test_5.syms.
3602 (ver_test_5.syms): New target.
3603 * testsuite/ver_test_5.cc: New file.
3604 * testsuite/ver_test_5.script: New file.
3605 * testsuite/ver_test_5.sh: New file.
3606 * Makefile.in, testsuite/Makefile.in: Rebuild.
3609 Fix problems building gold with gcc 4.3.0.
3610 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
3611 (gold_error_at_location, gold_warning_at_location): Use it.
3612 * configure.ac: Check whether we can compile and use a template
3613 function with a printf attribute.
3614 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
3615 when jumping over bytes.
3616 * object.cc: Instantiate Object::read_section_data.
3617 * debug.h: Include <cstring>
3618 * dwarf_reader.cc: Include <algorithm>
3619 * main.cc: Include <cstring>.
3620 * options.cc: Include <cstring>.
3621 * output.cc: Include <cstring>.
3622 * script.cc: Include <cstring>.
3623 * script.h: Include <string>.
3624 * symtab.cc: Include <cstring> and <algorithm>.
3625 * target-select.cc: Include <cstring>.
3626 * version.cc: Include <string>.
3627 * testsuite/testmain.cc: Include <cstdlib>.
3628 * configure, config.in: Rebuild.
3630 2008-03-25 Ian Lance Taylor <iant@google.com>
3632 * options.cc: Include "../bfd/bfdver.h".
3633 (options::help): Print bug reporting address.
3635 * version.cc (print_version): Adjust output for current value of
3640 * options.cc (options::help): Print list of supported targets.
3641 * target-select.h: Include <vector>.
3642 (class Target_selector): Make machine_, size_, and is_big_endian_
3643 fields const. Add bfd_name_ and instantiated_target_ fields.
3644 (Target_selector::Target_selector): Add bfd_name parameter.
3645 (Target_selector::recognize): Make non-virtual, call
3647 (Target_selector::recognize_by_name): Make non-virtual, call
3648 do_recognize_by_name.
3649 (Target_selector::supported_names): New function.
3650 (Target_selector::bfd_name): New function.
3651 (Target_selector::do_instantiate_target): New pure virtual
3653 (Target_selector::do_recognize): New virtual function.
3654 (Target_selector::do_recognize_by_name): New virtual function.
3655 (Target_selector::instantiate_target): New private function.
3656 (supported_target_names): Declare.
3657 * target-select.cc (Target_selector::Target_selector): Update for
3658 new parameter and fields.
3659 (select_target_by_name): Check that the name matches before
3660 calling recognize_by_name.
3661 (supported_target_names): New function.
3662 * i386.cc (class Target_selector_i386): Update Target_selector
3663 constructor call. Remove recognize and recognize_by_name. Add
3664 do_instantiate_target.
3665 * x86_64.cc (class Target_selector_x86_64): Likewise.
3666 * testsuite/testfile.cc (class Target_selector_test): Update for
3667 changes to Target_selector.
3669 * README: Rewrite, with some notes on unsupported features.
3671 2008-03-24 Cary Coutant <ccoutant@google.com>
3673 * i386.cc (Target_i386::Got_type): New enum declaration.
3674 (Target_i386::Scan::local): Updated callers of Output_data_got
3676 (Target_i386::Scan::global): Likewise.
3677 (Target_i386::Relocate::relocate): Likewise.
3678 (Target_i386::Relocate::relocate_tls): Likewise.
3679 * object.h (Got_offset_list): New class.
3680 (Sized_relobj::local_has_got_offset): Added got_type parameter.
3681 (Sized_relobj::local_got_offset): Likewise.
3682 (Sized_relobj::set_local_got_offset): Likewise.
3683 (Sized_relobj::local_has_tls_got_offset): Removed.
3684 (Sized_relobj::local_tls_got_offset): Removed.
3685 (Sized_relobj::set_local_tls_got_offset): Removed.
3686 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
3687 * output.cc (Output_data_got::add_global): Added got_type parameter.
3688 (Output_data_got::add_global_with_rel): Likewise.
3689 (Output_data_got::add_global_with_rela): Likewise.
3690 (Output_data_got::add_global_pair_with_rel): New function.
3691 (Output_data_got::add_global_pair_with_rela): New function.
3692 (Output_data_got::add_local): Added got_type parameter.
3693 (Output_data_got::add_local_with_rel): Likewise.
3694 (Output_data_got::add_local_with_rela): Likewise.
3695 (Output_data_got::add_local_pair_with_rel): New function.
3696 (Output_data_got::add_local_pair_with_rela): New function.
3697 (Output_data_got::add_global_tls): Removed.
3698 (Output_data_got::add_global_tls_with_rel): Removed.
3699 (Output_data_got::add_global_tls_with_rela): Removed.
3700 (Output_data_got::add_local_tls): Removed.
3701 (Output_data_got::add_local_tls_with_rel): Removed.
3702 (Output_data_got::add_local_tls_with_rela): Removed.
3703 * output.h (Output_data_got::add_global): Added got_type parameter.
3704 (Output_data_got::add_global_with_rel): Likewise.
3705 (Output_data_got::add_global_with_rela): Likewise.
3706 (Output_data_got::add_global_pair_with_rel): New function.
3707 (Output_data_got::add_global_pair_with_rela): New function.
3708 (Output_data_got::add_local): Added got_type parameter.
3709 (Output_data_got::add_local_with_rel): Likewise.
3710 (Output_data_got::add_local_with_rela): Likewise.
3711 (Output_data_got::add_local_pair_with_rel): New function.
3712 (Output_data_got::add_local_pair_with_rela): New function.
3713 (Output_data_got::add_global_tls): Removed.
3714 (Output_data_got::add_global_tls_with_rel): Removed.
3715 (Output_data_got::add_global_tls_with_rela): Removed.
3716 (Output_data_got::add_local_tls): Removed.
3717 (Output_data_got::add_local_tls_with_rel): Removed.
3718 (Output_data_got::add_local_tls_with_rela): Removed.
3719 * resolve.cc (Symbol::override_base_with_special): Removed
3720 reference to has_got_offset_ field.
3721 * symtab.cc (Symbol::init_fields): Replaced initialization
3722 of got_offset_ with got_offsets_. Removed initialization
3724 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
3725 (Symbol::got_offset): Likewise.
3726 (Symbol::set_got_offset): Likewise.
3727 (Symbol::has_tls_got_offset): Removed.
3728 (Symbol::tls_got_offset): Removed.
3729 (Symbol::set_tls_got_offset): Removed.
3730 (Symbol::got_offset_): Removed.
3731 (Symbol::tls_mod_got_offset_): Removed.
3732 (Symbol::tls_pair_got_offset_): Removed.
3733 (Symbol::got_offsets_): New field.
3734 (Symbol::has_got_offset): Removed.
3735 (Symbol::has_tls_mod_got_offset): Removed.
3736 (Symbol::has_tls_pair_got_offset): Removed.
3737 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
3738 (Target_x86_64::Scan::local): Updated callers of Output_data_got
3740 (Target_x86_64::Scan::global): Likewise.
3741 (Target_x86_64::Relocate::relocate): Likewise.
3742 (Target_x86_64::Relocate::relocate_tls): Likewise.
3744 2008-03-25 Ben Elliston <bje@au.ibm.com>
3746 * yyscript.y: Fix spelling error in comment.
3748 2008-03-24 Ian Lance Taylor <iant@google.com>
3750 * options.h (class General_options): Define build_id option.
3751 * layout.h (class Layout): Declare write_build_id, create_note,
3752 create_build_id. Add build_id_note_ member.
3753 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
3754 "libiberty.h", "md5.h", "sha1.h".
3755 (Layout::Layout): Initialize eh_frame_data_,
3756 eh_frame_hdr_section_, and build_id_note_.
3757 (Layout::finalize): Call create_build_id.
3758 (Layout::create_note): New function, broken out of
3759 Layout::create_gold_note.
3760 (Layout::create_gold_note): Call create_note.
3761 (Layout::create_build_id): New function.
3762 (Layout::write_build_id): New function.
3763 (Close_task_runner::run): Call write_build_id.
3765 * x86_64.cc: Correct license to GPLv3.
3767 2008-03-23 Ian Lance Taylor <iant@google.com>
3769 * options.cc: Include "demangle.h".
3770 (parse_optional_string): New function.
3771 (parse_long_option): Handle takes_optional_argument.
3772 (parse_short_option): Update dash_z initializer. Handle
3773 takes_optional_argument.
3774 (General_options::General_options): Initialize do_demangle_.
3775 (General_options::finalize): Set do_demangle_. Handle demangling
3777 * options.h (parse_optional_string): Declare.
3778 (struct One_option): Add optional_arg field. Update constructor.
3779 Update call constructor calls. Add takes_optional_argument
3781 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
3782 (DEFINE_optional_string): Define.
3783 (General_options::demangle): Change from DEFINE_bool to
3784 DEFINE_optional_string.
3785 (General_options::no_demangle): New function.
3786 (General_options::do_demangle): New function.
3787 (General_options::set_do_demangle): New function.
3788 (General_options::execstack_status_): Move definition to end of
3790 (General_options::static_): Likewise.
3791 (General_options::do_demangle_): New field.
3792 * object.cc (big_endian>::get_symbol_location_info): Call
3793 Options::do_demangle, not Options::demangle.
3794 * symtab.cc (demangle): Likewise.
3796 2008-03-22 Ian Lance Taylor <iant@google.com>
3798 * gold.h: Include <cstddef> and <sys/types.h>
3799 * options.h: Include <cstring>.
3801 2008-03-21 Ian Lance Taylor <iant@google.com>
3803 * Added source code to GNU binutils.