1 2010-04-15 Andrew Haley <aph@redhat.com>
3 * options.h (merge_exidx_entries): New option.
4 * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5 (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6 (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
7 (Target_arm::merge_exidx_entries): New function.
8 (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
9 (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
10 to Arm_exidx_fixup constructor.
11 Add new arg, merge_exidx_entries.
12 (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
13 Arm_output_section::fix_exidx_coverage.
15 2010-04-18 Sriraman Tallam <tmsriram@google.com>
17 * icf.cc (get_section_contents): Check for preemptible functions.
18 Ignore addend when appropriate.
19 * symtab.cc (should_add_dynsym_entry): Add new parameter. Check for
21 (add_from_relobj): Check for section folded.
22 (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
23 * symtab.h (should_add_dynsym_entry): Add new parameter.
24 * target-reloc.h (scan_relocs): Check for section folded.
25 * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
26 Check reloc types for function pointers in shared objects.
27 * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
29 (icf_preemptible_functions_test): New test case.
30 (icf_string_merge_test): New test case.
31 * testsuite.Makefile.in: Regenerate.
32 * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
33 bar_glob. Refactor code.
34 * testsuite/icf_preemptible_functions_test.cc: New file.
35 * testsuite/icf_preemptible_functions_test.sh: New file.
36 * testsuite/icf_string_merge_test.cc: New file.
37 * testsuite/icf_string_merge_test.sh: New file.
38 * testsuite/icf_virtual_function_folding_test.cc: New file.
39 * testsuite/icf_virtual_function_folding_test.sh: New file.
41 2010-04-14 Doug Kwan <dougkwan@google.com>
43 * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
44 for local symbol recounting if we remove a section due to ICF.
45 * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
46 there are no regular objects in input.
48 2010-04-13 Doug Kwan <dougkwan@google.com>
50 * arm.cc (Arm_input_section::set_final_data_size): Compute
51 accurate final data size instead of using current data size.
53 2010-04-09 Doug Kwan <dougkwan@google.com>
55 * layout.cc (Layout::choose_output_section): Handle script section
57 (Layout::make_output_section_for_script): Add section type parameter.
58 Handle script section types.
59 * layout.h (Layout::make_output_section_for_script): Add section
61 * output.cc (Output_section::Output_section): Initialize data member
63 (Output_section::do_reset_address_and_file_offset): Do not set address
64 to 0 if section is a NOLOAD section.
65 * output.h (Output_section::is_noload): New method.
66 (Output_section::set_is_noload): Ditto.
67 (Output_section::is_noload_): New data member.
68 * script-c.h (Script_section_type): New enum type.
69 (struct Parser_output_section_header): Add new file section_type.
70 * script-sections.cc (Sections_element::output_section_name): Add
71 parameter for returning script section type.
72 (Output_section_definition::output_section_name): Ditto.
73 (Output_section_definition::section_type)P; New method.
74 (Output_section_definiton::script_section_type_name): Ditto.
75 (Output_section_definition::script_section_type_): New data member.
76 (Output_section_definition::Output_section_definition): Initialize
77 data member Output_section_definition::script_section_type_.
78 (Output_section_definition::create_sections): Pass script section type
79 to Layout::make_output_section_for_script.
80 (Output_section_definition::output_section_name): Return script
81 section type to caller.
82 (Output_section_definition::set_section_address): Do not advance
83 dot value and load address if section type is NOLOAD. Set address
84 of NOLOAD sections regardless of section flags.
85 (Output_section_definition::print): Print section type if it is
86 not SCRIPT_SECTION_TYPE_NONE.
87 (Output_section_definition::section_type): New method.
88 (Output_section_definition::script_section_type_name): Ditto.
89 (Script_sections::output_section_name): Add new parameter
90 PSECTION_TYPE for returning script section type. Pass it to
91 section elements. Handle discard sections.
92 (Sort_output_sections::operator()): Handle NOLOAD sections.
93 * script-sections.h (Script_sections::Section_type): New enum type.
94 (Script_sections::output_section_name): Add a new parameter for
95 returning script section type.
96 * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
98 * yyscript.y (union): Add new field SECTION_TYPE.
99 (COPY, DSECT, INFO, NOLOAD): New tokens.
100 (opt_address_and_section_type): Change type to output_section_header.
101 (section_type): New non-terminal
102 (section_header): Handle section type.
103 (opt_address_and_section_type): Return section type value.
105 2010-04-09 H.J. Lu <hongjiu.lu@intel.com>
107 * testsuite/plugin_common_test_1.c (foo): Add prototype.
108 * testsuite/plugin_common_test_2.c (foo): Likewise.
110 2010-04-08 Doug Kwan <dougkwan@google.com>
112 * merge.cc (Output_merge_data::set_final_data_size): Handle empty
114 * output.cc (Output_section::add_merge_input_section): Simplify
115 code and return status of Output_merge_base::add_input_section.
116 Update merge section map only if Output_merge_base::add_input_section
119 2010-04-07 Doug Kwan <dougkwan@google.com>
121 * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
122 if section is marked as containing instructions but has no mapping
124 (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
125 correct section index.
126 (Arm_relobj::find_linked_text_section): Ditto.
128 2010-04-07 Cary Coutant <ccoutant@google.com>
130 * archive.cc (include_member): Destroy Read_symbols_data object before
132 * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
133 * object.h (Read_symbols_data::Read_symbols_data) New constructor.
134 (Read_symbols_data::~Read_symbols_data) New destructor.
135 (Section_relocs::Section_relocs) New constructor.
136 (Section_relocs::~Section_relocs) New destructor.
137 (Read_relocs_data::Read_relocs_data) New constructor.
138 (Read_relocs_data::~Read_relocs_data) New destructor.
139 * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
140 pointers to NULL after deleting.
142 2010-04-07 Doug Kwan <dougkwan@google.com>
144 * arm.cc: Replace "endianity" with "endianness" in comments.
145 (Arm_exidx_cantunwind): Ditto.
146 (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
147 (Arm_relobj::merge_flags_and_attributes): New method.
148 (Arm_relobj::merge_flags_and_attributes_): New data member.
149 (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
150 (Arm_relobj::scan_sections_for_stubs): Ditto.
151 (Arm_relobj::do_read_symbols): Check to see if we really want to
152 merge processor-specific flags and attributes. Exit early if
153 an object is empty except for section names and the undefined symbol.
154 (Target_arm::do_finalize_sections): Move check for ELF format to
155 Arm_relobj::do_read_symbols. Merge processor specific flags and
156 attributes from a regular object only when we have determined that
157 it is aapropriate. Do not create an .ARM.attributes section in
158 output if there is no regular input object.
159 (Target_arm::merge_processor_specific_flags): Check
160 --warn-mismatch before printing any error.
161 (Target_arm::merge_object_attributes): Ditto.
162 * gold.cc (queue_middle_tasks): Handle the case in which there is
163 no regular object in input.
164 * options.cc (General_options::parse_EB): New method.
165 (General_options::parse_EL): Same.
166 (General_options::General_options): Initialize endianness_.
167 * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
169 (General_options::Endianness): New enum.
170 (General_options::endianness): New method.
171 (General_options::endianness_): New data member.
172 * parameters.cc (Parameters::set_options): Check target endianness.
173 (Parameters::set_target_once): Ditto.
174 (Parameters::check_target_endianness): New method.
175 (parameters_force_valid_target): If either -EL or -EB is specified,
176 use it to define endianness of default target.
177 * parameters.h (Parameters::check_target_endianness): New method
179 * target.h (class Target): Change "endianity" to "endianness"
182 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
184 * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
185 * configure: Regenerate.
186 * Makefile.in: Regenerate.
187 * testsuite/Makefile.in: Regenerate.
189 2010-04-06 Cary Coutant <ccoutant@google.com>
192 * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
193 prevailing definitions of common symbols.
194 * testsuite/plugin_test_6.sh: New test case.
195 * testsuite/plugin_common_test_1.c: New test case.
196 * testsuite/plugin_common_test_2.c: New test case.
197 * testsuite/Makefile.am (plugin_test_6): New test case.
198 * testsuite/Makefile.in: Regenerate.
200 2010-04-06 Nick Clifton <nickc@redhat.com>
202 * po/vi.po: New Vietnamese translation.
204 2010-03-30 Doug Kwan <dougkwan@google.com>
206 * arm.cc (Target_arm::using_thumb_only): Handle v6-M
208 2010-03-25 Doug Kwan <dougkwan@google.com>
210 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
211 to avoid a conversion warning on a 32-bit host.
213 2010-03-24 Ian Lance Taylor <iant@google.com>
215 * testsuite/script_test_3.t: Add a TLS segment.
216 * testsuite/Makefile.am (check_PROGRAMS): Add
217 tls_phdrs_script_test.
218 (tls_phdrs_script_test_SOURCES): Define.
219 (tls_phdrs_script_test_DEPENDENCIES): Define.
220 (tls_phdrs_script_test_LDFLAGS): Define.
221 (tls_phdrs_script_test_LDADD): Define.
222 * testsuite/Makefile.in: Rebuild.
224 2010-03-23 Cary Coutant <ccoutant@google.com>
226 * fileread.cc (find_or_make_view): Fix comment.
228 2010-03-23 Ian Lance Taylor <iant@google.com>
230 * script-sections.cc (class Orphan_section_placement): Define
231 PLACE_TLS and PLACE_TLS_BSS.
232 (Orphan_section_placement::Orphan_section_placement): Initialize
234 (Orphan_section_placement::find_place): Handle SHF_TLS sections.
235 * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
236 (tls_script_test_SOURCES): Define.
237 (tls_script_test_DEPENDENCIES): Define.
238 (tls_script_test_LDFLAGS): Define.
239 (tls_script_test_LDADD): Define.
240 * testsuite/Makefile.in: Rebuild.
242 2010-03-22 Doug Kwan <dougkwan@google.com>
244 * arm.cc (Arm_relocate_functions::abs8,
245 Arm_relocate_functions::abs16): Use correct check for overflow
246 specified in the ARM ELF specs.
247 (Arm_relocate_functions): thumb_branch_common. Handle bit 1 of branch
248 target of a BLX instruction specially.
249 (Reloc_stub::stub_type_for_reloc): Ditto.
250 (Relocate::relocate): Use symbolic names instead of numeric relocation
251 codes to report error.
252 (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
254 * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
255 thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
256 thumb2_blx_out_of_range.stdout
257 (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
258 thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
259 (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
260 thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
261 thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
262 thumb2_blx_in_range, thumb2_blx_in_range.o,
263 thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
264 thumb2_blx_out_of_range.o): New rules.
265 (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
266 thumb2_blx_in_range and thumb2_blx_out_of_range.
267 * testsuite/Makefile.in: Regenerate.
268 * arm_branch_in_range.sh: Add tests for THUMB BLX.
269 * testsuite/thumb_blx_in_range.s: New file.
270 * testsuite/thumb_blx_out_of_range.s: New file.
272 2010-03-22 Rafael Espindola <espindola@google.com>
274 * archive.cc (Should_include): Move to archive.h.
275 (should_include_member): Make it a member of Archive.
277 (Add_lib_group_symbols): New.
278 * archive.h: Include options.h.
279 (Archive_member): Moved from Archive.
280 (Should_include): Moved from archive.cc.
282 (Add_lib_group_symbols): New.
283 * dynobj.cc (do_should_include_member): New.
284 * dynobj.h (do_should_include_member): New.
285 * gold.cc (queue_initial_tasks): Update call to queue.
286 * main.cc (main): Print lib group stats.
287 * object.cc (do_should_include_member): New.
288 * object.h: Include archive.h.
289 (Object::should_include_member): New.
290 (Object::do_should_include_member): New.
291 (Sized_relobj::do_should_include_member): New.
292 * options.cc (General_options::parse_start_lib): New.
293 (General_options::parse_end_lib): New.
294 (Input_arguments::add_file): Handle lib groups.
295 (Input_arguments::start_group): Check we are not in a lib.
296 (Input_arguments::start_lib): New.
297 (Input_arguments::end_lib): New.
298 * options.h (General_options): Add start_lib and end_lib.
299 (Input_argument::lib_): New.
300 (Input_argument::lib): New.
301 (Input_argument::is_lib): New.
302 (Input_file_lib): New.
303 (Input_arguments::in_lib_): New.
304 (Input_arguments::in_lib): New.
305 (Input_arguments::start_lib): New.
306 (Input_arguments::end_lib_): New.
307 * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
308 in unused members as preempted.
309 (Sized_pluginobj::do_should_include_member): New.
310 * plugin.h (Sized_pluginobj::do_should_include_member): New.
311 * readsyms.cc (Read_symbols::locks): If we are just reading a member,
313 (Read_symbols::do_whole_lib_group): New.
314 (Read_symbols::do_lib_group): New.
315 (Read_symbols::do_read_symbols): Handle lib groups.
316 (Read_symbols::get_name): Handle lib groups.
317 * readsyms.h (Read_symbols): Add an archive member pointer.
318 (Read_symbols::do_whole_lib_group): New.
319 (Read_symbols::do_lib_group): New.
320 (Read_symbols::member_): New.
321 * script.cc (read_input_script): Update call to queue_soon.
323 2010-03-19 Doug Kwan <dougkwan@google.com>
325 * arm.cc (Stub_table::Stub_table): Initialize new data members
326 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
327 (Stub_table::add_reloc_stub): Assign stub offset and update
328 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
329 (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
331 (Stub_table::update_data_size_and_addralign): Use
332 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
333 instead of going over all reloc stubs.
334 (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
335 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
336 Stringpool_template::offset_ to size of Stringpool_char.
337 (Stringpool_template::new_key_offset): Remove code to initialize
338 Stringpool_template::offset_.
339 * stringpool.h (Stringpool_template::set_no_zero_null): Set
340 Stringpool_template::offset_ to zero.
342 2010-03-15 Doug Kwan <dougkwan@google.com>
344 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
346 (Stringpool_template::new_key_offset): New method.
347 (Stringpool_template::add_string): Assign offsets when adding new
349 (Stringpool_template::set_string_offsets): Do not set string offsets
351 * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
353 (Chunked_vector::clear): Clear size_.
354 (Chunked_vector::reserve): Call reserve method of all Element_vectors.
355 (Chunked_vector::size): Return size_.
356 (Chunked_vector::push_back): Use size_ to find insert position.
357 (Chunked_vector::size_): New data member.
358 (Stringpool_template::set_no_zero_null): Assert string set is empty.
359 (Stringpool_template::new_key_offset): New method declaration.
360 (Stringpool_template::offset_): New data member.
362 2010-03-15 Rafael Espindola <espindola@google.com>
364 * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
365 Add_symbols' constructor.
366 * readsyms.h (Add_symbols): Remove the input_group member.
368 2010-03-10 Ian Lance Taylor <iant@google.com>
370 * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
371 target to ask whether a reference to a symbol requires a stack
373 * target.h (Target::is_call_to_non_split): New function.
374 (Target::do_is_call_to_non_split): Declare virtual function.
375 * target.cc: Include "symtab.h".
376 (Target::do_is_call_to_non_split): New function.
377 * i386.cc (Target_i386::do_is_call_to_non_split): New function.
379 2010-03-10 Cary Coutant <ccoutant@google.com>
381 * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
382 (File_read::open[1]): Remove initial mapping of whole_file_view_.
383 (File_read::open[2]): Add whole_file_view_ to list of views.
384 (File_read::make_view): Remove test of whole_file_view_.
385 (File_read::find_or_make_view): Create whole_file_view_ if
387 (File_read::clear_views): Replace bool parameter with enum;
388 adjust all callers. Don't delete views with permanent data;
389 do delete cached views and views from archives if
390 --no-keep-files-mapped is set. Set whole_file_view_ to NULL
391 if clearing the corresponding view.
392 * fileread.h (File_read::Clear_views_mode): New enum.
393 (File_read::View::is_permanent_view): New method.
394 (File_read::clear_views): Replace bool parameter
395 with enum; adjust all callers.
396 * options.h (General_options): Change keep_files_mapped option;
398 * readsyms.cc (Add_symbols::run): Delete sd_ object before
400 * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
403 2010-03-10 David S. Miller <davem@davemloft.net>
405 * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
407 2010-03-09 Sriraman Tallam <tmsriram@google.com>
409 * icf.cc (get_section_contents): Add '@' marker after processing the
412 2010-03-08 Doug Kwan <dougkwan@google.com>
414 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
415 due to a conversion warning.
416 (Arm_relobj::update_output_local_symbol_count): Check for local
417 symbol with unset output index.
419 2010-03-05 Ian Lance Taylor <iant@google.com>
421 * options.h (class General_options): Add --spare-dynamic-tags.
422 * output.cc (Output_data_dynamic::set_final_data_size): Implement
423 --spare-dynamic-tags.
425 2010-03-05 Ian Lance Taylor <iant@google.com>
427 * incremental.cc: Include "libiberty.h".
429 2010-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
431 * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
432 function, is_info_ member.
433 * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
434 (Versions::Versions): Update caller.
435 (Versions::define_base_version): Likewise.
436 (Versions::add_def): Likewise.
438 2010-03-03 Sriraman Tallam <tmsriram@google.com>
440 * i386.cc (Target_i386::can_check_for_function_pointers): New function.
441 (Scan::possible_function_pointer_reloc): New function.
442 (Scan::local_reloc_may_be_function_pointer): Change to call
443 possible_function_pointer_reloc.
444 (Scan::global_reloc_may_be_function_pointer): Ditto.
445 * icf.h (Icf::check_section_for_function_pointers): Change to reject
446 relocations in ".data.rel.ro._ZTV" section.
447 * testsuite/icf_safe_so_test.sh: Change to pass i386.
448 * testsuite/icf_safe_so_test.cc: Ditto.
449 * testsuite/icf_safe_test.cc: Ditto.
450 * testsuite/icf_safe_test.sh: Ditto.
452 2010-03-03 Viktor Kutuzov <vkutuzov@accesssoftek.com>
453 Ian Lance Taylor <iant@google.com>
455 * target-reloc.h (relocate_section): Check the symbol table index
456 for -1U before setting the local symbol index.
457 (scan_relocatable_relocs): If copying the relocation, record that
458 the local symbol is required.
459 * object.h (Symbol_value::is_output_symtab_index_set): New
461 (Symbol_value::may_be_discarded_from_output_symtab): New
463 (Symbol_value::has_output_symtab_entry): New function.
464 (Symbol_value::needs_output_symtab_entry): Remove.
465 (Symbol_value::output_symtab_index): Make sure the symbol index is
467 (Symbol_value::set_output_symtab_index): Make sure the symbol
468 index is not set. Make sure the new index is valid.
469 (Symbol_value::set_must_have_output_symtab_entry): New function.
470 (Symbol_value::has_output_dynsym_entry): New function.
471 (Symbol_value::set_output_dynsym_index): Make sure the new index
473 (Sized_relobj::set_must_have_output_symtab_entry): New function.
474 * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
475 local symbol if permitted.
476 (Sized_relobj::do_finalize_local_symbols): Call
477 is_output_symtab_index_set rather than needs_output_symtab_entry.
478 (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
479 rather than needs_output_symtab_entry. Call
480 has_output_dynsym_entry rather than needs_output_dynsym_entry.
481 * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
482 is_output_symtab_index_set rather than needs_output_symtab_entry.
483 * testsuite/discard_locals_relocatable_test.c: New file.
484 * testsuite/discard_locals_test.sh: Test -r.
485 * testsuite/Makefile.am (check_DATA): Add
486 discard_locals_relocatable_test1.syms,
487 discard_local_relocatable_test2.syms.
488 (MOSTLYCLEANFILES): Likewise. Also add
489 discard_locals_relocatable_test1.lout and
490 discard_locals_relocatable_test2.out.
491 (discard_locals_relocatable_test1.syms): New target.
492 (discard_locals_relocatable_test.o): New target.
493 (discard_locals_relocatable_test1.out): New target.
494 (discard_locals_relocatable_test2.syms): New target.
495 (discard_locals_relocatable_test2.out): New target.
496 (various): Add missing ../ld-new dependencies.
497 * testsuite/Makefile.in: Rebuild.
499 2010-03-03 Nick Clifton <nickc@redhat.com>
501 * po/fi.po: New Finnish translation.
503 2010-03-01 Doug Kwan <dougkwan@google.com>
505 * layout.cc (Layout::Layout): Force section types of .init_array*,
506 .preinit_array* and .fini_array* sections.
507 * output.cc (Output_section::Input_section_sort_entry::has_priority):
508 Fix check of return value of std::string::find.().
509 (Output_section::Input_section_sort_compare::operator()): Remove
510 comment about .init_array.
511 (Output_section::Input_section_sort_init_fini_compare::operator()):
513 (Output_section::sort_attached_input_sections): Handle .init_array
514 and .fini_array specially.
515 * output.h (Output_section::Inut_section_sort_compare): Update
517 (Output_section::Input_section_sort_init_fini_compare): New struct.
519 2010-02-26 Doug Kwan <dougkwan@google.com>
521 * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
522 R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
523 * testsuite/debug_msg.sh: Avoid matching source line number for
524 use of global variable undef_int.
526 2010-02-26 Doug Kwan <dougkwan@google.com>
528 * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
529 R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
530 (Target_arm::scan_reloc_section_for_stubs): Instead of calling
531 scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
532 * options.cc (General_options::General_options): Initialize member
534 * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
535 (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
536 and rm_no_fix_v4bx.stdout
537 (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
538 arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
539 arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
540 (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
542 * Makefile.in: Regenerate.
543 * testsuite/arm_fix_v4bx.s: New file.
544 * testsuite/arm_fix_v4bx.sh: Ditto.
546 2010-02-24 Doug Kwan <dougkwan@google.com>
548 * arm.cc (Target_arm::got_section): Make the .got section the first
549 non RELRO section in the data segment.
550 * testsuite/script_test_5.sh: Fix match patterns to avoid matching
551 suffixes of section names.
553 2010-02-24 Doug Kwan <dougkwan@google.com>
555 * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
556 flags and attributes merging if an input file is a binary file.
557 * fileread.cc (Input_file::open): Record format of original file.
558 * fileread.h (Input_file::Format): New enum type.
559 (Input_file::Input_file): Initialize data member format_.
560 (Input_file::format): New method definition.
561 (Input_file::format_):: New data member.
563 2010-02-24 Doug Kwan <dougkwan@google.com>
565 * arm.cc (Arm_output_data_got): New class.
566 (ARM_TCB_SIZE): New constant
567 (Target_arm): Use Arm_output_data_got instead of Output_data_got.
568 (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
569 If user uses a script with a SECTIONS clause, issue only a warning
570 for a misplaced EXIDX input section. Otherwise, issue an error.
571 (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
573 (Target_arm::got_mode_index_entry): Handle static linking.
574 (Target_arm::Scan::local): Ditto.
575 (Target_arm::Scan::global): Ditto.
576 (Target_arm::Relocate::relocate_tls): Handle static linking. Fix
577 all incorrectly implemented relocations.
578 (Target_arm::fix_exidx_coverage): Pass layout to
579 Arm_output_section::fix_exidx_coverage.
580 * layout.cc (Layout::section_name_mapping): Remove trailing dots
581 from ".ARM.exidx." and ".ARM.extab.".
583 2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
585 * arm.cc (Target_arm::do_finalize_sections): Create attribute
586 section if it does not already exist.
587 * attributes.cc (Attributes_section_data::Attributes_section_data):
588 Don't crash if size is zero.
590 2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
591 Ian Lance Taylor <iant@google.com>
593 * gold.cc (queue_middle_tasks): If no input files were opened,
595 * workqueue.h (Task_function::Task_function): Assert that there is
598 2010-02-22 Doug Kwan <dougkwan@google.com>
600 * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
601 * icf.cc (get_section_contents): Cast snprintf arguments to long long
602 types to avoid warnings due to different uint64_t implementations
605 2010-02-21 Doug Kwan <dougkwan@google.com>
607 * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
608 handling of the maximum backward branch offset.
609 (Arm_relocate_functions::thumb_branch_common): Ditto.
610 * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
611 (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
612 thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
613 thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
614 (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
615 arm_bl_out_of_range.stdout, arm_bl_out_of_range,
616 arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
617 thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
618 thumb_bl_out_of_range thumb_bl_out_of_range.o,
619 thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
620 thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
621 thumb2_bl_out_of_range.o): New rules.
622 (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
623 thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
624 thumb2_bl_out_of_range
625 * testsuite/Makefile.in: Regenerate.
626 * testsuite/arm_bl_in_range.s: New file.
627 * testsuite/arm_bl_out_of_range.s: Ditto.
628 * testsuite/arm_branch_in_range.sh: Ditto.
629 * testsuite/arm_branch_range.t: Ditto.
630 * testsuite/thumb2_branch_range.t: Ditto.
631 * testsuite/thumb_bl_in_range.s: Ditto.
632 * testsuite/thumb_bl_out_of_range.s: Ditto.
633 * testsuite/thumb_branch_range.t: Ditto.
635 2010-02-20 Sriraman Tallam <tmsriram@google.com>
637 * gc.h (gc_process_relocs): Change vectors to point to the new list.
638 Add reloc offset information.
639 * icf.cc (get_section_contents): Change iterators to point to the new
640 vectors. Add reloc offset information to the contents.
641 * icf.h (Icf::Sections_reachable_info): New typedef.
642 (Icf::Sections_reachable_list): New typedef.
643 (Icf::Offset_info): New typedef.
644 (Icf::Reloc_info): New struct typedef.
645 (Icf::Reloc_info_list): New typedef.
646 (Icf::symbol_reloc_list): Delete method.
647 (Icf::addend_reloc_list): Delete method.
648 (Icf::section_reloc_list): Delete method.
649 (Icf::reloc_info_list): New method.
650 (Icf::reloc_info_list_): New member.
652 2010-02-19 Doug Kwan <dougkwan@google.com>
654 * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
655 R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
656 * arm.cc (Arm_relocation_functions): New forward declaration.
657 (Target_arm::Target_arm): Initialize new data members
658 got_mod_index_offset_ and tls_base_symbol_defined_.
659 (Target_arm::Relocate::relocate_tls): New method.
660 (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
661 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
663 (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
664 GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
665 (Target_arm::got_mod_index_offset_,
666 Target_arm::tls_base_symbol_defined_): New data members.
667 (Target_arm::Scan::local, Target::Scan::global,
668 Target_arm::Relocate::relocate): Handle 32-bit initial TLS
671 2010-02-18 Doug Kwan <dougkwan@google.com>
673 * arm.cc (Arm_relobj::find_linked_text_section): New method.
674 (Arm_relobj::make_exidx_input_section): Pass section index of linked
675 text section as a parameter becuase some broken tools may not set
676 the link in section header.
677 (Target_arm::has_got_section): New method.
678 (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
679 without any mapping symbol as data only. Remove warning.
680 (Arm_relobj::do_read_synbols): If an EXIDX input section has no
681 link in its section header, try to discover the link by inspecting the
682 REL31 relocation at the beginning of the section.
683 (Target_arm::Scan::check_non_pic): Report name of offending relocation
685 (Target_arm::Scan::global): Treat any reference to the symbol
686 _GLOBAL_OFFSET_TABLE_ as a GOT access.
688 2010-02-12 Sriraman Tallam <tmsriram@google.com>
690 * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
691 (Scan::global_reloc_may_be_function_pointer): New function.
692 * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
693 (Scan::global_reloc_may_be_function_pointer): New function.
694 * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
695 (Scan::global_reloc_may_be_function_pointer): New function.
696 * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
697 (Scan::global_reloc_may_be_function_pointer): New function.
698 * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
699 (Scan::global_reloc_may_be_function_pointer): New function.
700 (Scan::possible_function_pointer_reloc): New function.
701 (Target_x86_64::can_check_for_function_pointers): New function.
702 * gc.h (gc_process_relocs): Scan relocation types to determine if
703 function pointers were taken for targets that support it.
704 * icf.cc (Icf::find_identical_sections): Include functions for
705 folding in safe ICF whose pointer is not taken.
706 * icf.h (Secn_fptr_taken_set): New typedef.
707 (fptr_section_id_): New member.
708 (section_has_function_pointers): New function.
709 (set_section_has_function_pointers): New function.
710 (check_section_for_function_pointers): New function.
711 * options.h: Fix comment for safe ICF option.
712 * target.h (can_check_for_function_pointers): New function.
713 * testsuite/Makefile.am: Add icf_safe_so_test test case.
714 Modify icf_safe_test for X86-64.
715 * testsuite/Makefile.in: Regenerate.
716 * testsuite/icf_safe_so_test.cc: New file.
717 * testsuite/icf_safe_so_test.sh: New file.
718 * testsuite/icf_safe_test.cc (kept_func_3): New function.
719 (main): Change to take pointer to function kept_func_3.
720 * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
721 folding is done correctly for X86-64.
723 2010-02-12 David S. Miller <davem@davemloft.net>
725 * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
726 is_symbolless parameter.
727 (Output_reloc<SHT_REL>::is_symbolless): New.
728 (Output_reloc<SHT_REL>::is_symbolless_): New.
729 (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
730 (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
731 (Output_reloc<SHT_RELA>::is_symbolless): New.
732 (Output_data_reloc::add_global): Handle is_symbolless.
733 (Output_data_reloc::add_global_relative): Likewise.
734 (Output_data_reloc::add_local): Likewise.
735 (Output_data_reloc::add_local_relative): Likewise.
736 (Output_data_reloc::add_symbolless_global_addend): New.
737 (Output_data_reloc::add_symbolless_local_addend): New.
738 * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
740 (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
741 instead of ->is_relative_
742 (Output_reloc::write): Likewise.
743 (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
744 (Output_reloc::write_rel): Simplify.
746 * sparc.cc (Target_sparc::Scan::local): Use
747 ->add_symbolless_local_addend as needed.
748 (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
749 needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
750 based upon relocation offset.
752 2010-02-11 Doug Kwan <dougkwan@google.com>
754 * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
755 (Target_arm::Scan::global): Ditto. Also remove a comment before the
756 beginning of function.
757 (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
758 and MOVT_ABS relocations. Those are non issued in scanning. Fix
759 parameter is_32bit in calls to should_apply_static_reloc.
760 * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
761 (check_DATA): Add arm_abs_global.stdout.
762 (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
763 arm_abs_global.stdout): New rules.
764 (MOSTLLYCLEANFILES): Add arm_abs_global
765 * Makefile.in: Regenerate.
766 * testsuite/arm_abs_global.s: New file.
767 * testsuite/arm_abs_global.sh: Ditto.
768 * testsuite/arm_abs_lib.s: Ditto.
770 2010-02-11 Ian Lance Taylor <iant@google.com>
772 * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
774 (queue_middle_tasks): Likewise, and also for Scan_relocs. Run
775 Allocate_commons_task first.
776 * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
777 task, rather than symtab_lock_.
778 (Gc_process_relocs::~Gc_process_relocs): New function.
779 (Gc_process_relocs::is_runnable): Check this_blocker_.
780 (Gc_process_relocs::locks): Use next_blocker_ rather than
782 (Scan_relocs::~Scan_relocs): New function.
783 (Scan_relocs::is_runnable): Check this_blocker_ rather than
785 (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add
787 * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
788 fields. Add this_blocker_ and next_blocker_ fields. Adjust
789 constructor accordingly.
790 (class Gc_process_relocs): Likewise.
791 (class Scan_relocs): Likewise.
792 * common.h (class Allocate_commons_task): Remove symtab_lock_
793 field, and corresponding constructor parameter.
794 * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
796 (Allocate_commons_task::locks): Likewise.
798 2010-02-11 Ian Lance Taylor <iant@google.com>
800 * gold-threads.h (class Once): Define.
801 (class Initialize_lock): Rewrite as child of Once.
802 * gold-threads.cc (class Once_initialize): Define.
803 (once_pointer_control): New static variable.
804 (once_pointer, once_arg): New static variables.
805 (c_run_once): New static function.
806 (Once::Once, Once::run_once, Once::internal_run): New functions.
807 (class Initialize_lock_once): Remove.
808 (initialize_lock_control): Remove.
809 (initialize_lock_pointer): Remove.
810 (initialize_lock_once): Remove.
811 (Initialize_lock::Initialize_lock): Move to gold-threads.h.
812 (Initialize_lock::initialize): Rewrite.
813 (Initialize_lock::do_run_once): New function.
814 * archive.cc (Archive::interpret_header): Only clear name if it is
816 * fileread.cc: Include "gold-threads.h"
817 (file_counts_lock): New static variable.
818 (file_counts_initialize_lock): Likewise.
819 (File_read::release): Only increment counts when using --stats.
820 Use a lock around the increment.
821 * parameters.cc (class Set_parameters_target_once): Define.
822 (set_parameters_target_once): New static variable.
823 (Parameters::Parameters): Move here from parameters.h.
824 (Parameters::set_target): Rewrite.
825 (Parameters::set_target_once): New function.
826 (Parameters::clear_target): Move here and rewrite.
827 * parameters.h (class Parameters): Update declarations. Add
828 set_parameters_target_once_ field.
829 (Parameters::Parameters): Move to parameters.cc.
830 (Parameters::clear_target): Likewise.
831 * readsyms.cc (Read_symbols::do_group): Create a Start_group
833 (Start_group::~Start_group): New function.
834 (Start_group::is_runnable): New function.
835 (Start_group::locks, Start_group::run): New functions.
836 (Finish_group::run): Change saw_undefined to size_t.
837 * readsyms.h (class Start_group): Define.
838 (class Finish_group): Change saw_undefined_ field to size_t.
839 (Finish_group::Finish_group): Remove saw_undefined and
840 this_blocker parameters. Change all callers.
841 (Finish_group::set_saw_undefined): New function.
842 (Finish_group::set_blocker): New function.
843 * symtab.h (class Symbol_table): Change saw_undefined to return
844 size_t. Change saw_undefined_ field to size_t.
845 * target-select.cc (Set_target_once::do_run_once): New function.
846 (Target_selector::Target_selector): Initialize set_target_once_
847 field. Don't initialize lock_ and initialize_lock_ fields.
848 (Target_selector::instantiate_target): Rewrite.
849 (Target_selector::set_target): New function.
850 * target-select.h (class Set_target_once): Define.
851 (class Target_selector): Update declarations. Make
852 Set_target_once a friend. Remove lock_ and initialize_lock_
853 fields. Add set_target_once_ field.
855 2010-02-10 Ian Lance Taylor <iant@google.com>
857 * dirsearch.cc (Dirsearch::initialize): Add all blockers before
859 * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker.
860 (queue_middle_tasks): Add all blockers before queueing any tasks.
861 (queue_final_tasks): Likewise.
862 * token.h (Task_token::add_blockers): New function.
863 * object.h (Input_objects::number_of_relobjs): New function.
865 2010-02-10 Ian Lance Taylor <iant@google.com>
867 * i386.cc (Relocate::relocate_tls): A local symbol is final if not
868 shared, not if not position independent.
869 * x86_64.cc (Relocate::relocate_tls): Likewise.
870 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
871 (tls_pie_pic_test): New target.
872 * testsuite/Makefile.in: Rebuild.
874 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
875 (tls_test_main_pie.o, tls_test_pie.o): New targets.
876 (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
877 * testsuite/Makefile.in: Rebuild.
879 2010-02-09 David S. Miller <davem@davemloft.net>
881 * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
882 R_SPARC_RELATIVE using ->add_local_relative().
883 (Target_sparc::Scan::global): Likewise for ->add_global_relative().
885 * output.h (Output_data_dynamic::add_section_size): New method
886 that takes two Output_data objects.
887 (Output_data_dynamic::Dynamic_entry): Create storage for secondary
888 entry param. Handle it in initializers.
889 * output.cc (Output_data_dynamic::Dynamic_entry::write): For
890 DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
891 * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
893 * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
894 and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
895 * arm.cc (Target_arm::do_finalize_sections): Update to pass false
896 for dynrel_includes_plt.
897 * i386.cc (Target_i386::do_finalize_sections): Likewise.
898 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
899 * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
901 (Target_sparc::do_finalize_sections): Update to pass true for
903 * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
904 output before .rela.plt
905 (Target_powerpc::do_finalize_sections): Update to pass true for
906 dynrel_includes_plt when 32-bit.
908 2010-02-08 Doug Kwan <dougkwan@google.com>
910 * arm.cc (Arm_relobj::simple_input_section_output_address): New
912 (Arm_relobj::section_needs_cortex_a8_stub_scanning,
913 Arm_relobj::scan_section_for_cortex_a8_stubs,
914 Arm_relobj::do_relocation_section): Instead of calling
915 Output_section::output_address, use faster
916 Arm_relobj::simple_input_section_output_address.
918 2010-02-08 David S. Miller <davem@davemloft.net>
920 * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
921 unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
922 relocation helper function.
924 * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
925 just like R_SPARC_GOT{10,13,22}.
926 (Target_sparc::Scan::local): Likewise.
927 (Target_sparc::Relocate:relocate): Likewise.
929 2010-02-06 Ian Lance Taylor <iant@google.com>
931 * configure.ac: Rewrite targetobjs duplicate removal code to use
932 only shell constructs.
933 * configure: Rebuild.
935 2010-02-05 Doug Kwan <dougkwan@google.com>
938 * arm.cc (Arm_relobj::section_is_scannable): New method.
939 (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
940 (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
942 2010-02-04 Doug Kwan <dougkwan@google.com>
945 * arm-reloc-property.cc (cstdio): Include.
946 * configure.ac (targetobjs): Remove duplicates.
947 * configure: Regenerate.
948 * resolve.cc (Symbol_table::resolve): Explicit instantiate both
949 big and little endian version for a given address size.
951 2010-02-03 Doug Kwan <dougkwan@google.com>
953 * arm-reloc-property.cc
954 (Arm_reloc_property_table::reloc_name_in_error_message): New method
956 * arm-reloc-property.h
957 (Arm_reloc_property_table::get_implemented_static_reloc_property):
958 New method definition.
959 (Arm_reloc_property_table::reloc_name_in_error_message): New method
961 * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
963 (GOT_PREL): Change implemented to Y.
964 * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
965 (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
966 (Arm_relocate_functions::movw_abs_nc): Remove method.
967 (Arm_relocate_functions::movt_abs): Ditto.
968 (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
969 (Arm_relocate_functions::thm_movt_abs): Ditto.
970 (Arm_relocate_functions::movw_rel_nc): Ditto.
971 (Arm_relocate_functions::movw_rel): Ditto.
972 (Arm_relocate_functions::movt_rel): Ditto.
973 (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
974 (Arm_relocate_functions:thm_movw_rel): Ditto.
975 (Arm_relocate_functions:thm_movt_rel): Ditto.
976 (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
977 (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
978 New method definitions.
979 (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
980 (Arm_relocation_functions::arm_grp_ldr): Ditto.
981 (Arm_relocation_functions::arm_grp_ldrs): Ditto.
982 (Arm_relocation_functions::arm_grp_ldc): Ditto.
983 (Target_arm::Relocate::relocate): Check for non-static or
984 unimplemented relocation code and exit early. Change calls to
985 Target_arm::reloc_uses_thumb_bit and
986 Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
987 instead. Refactor code to handle similar relocations to increase
988 code sharing. Remove check for unsupported relocation code in switch
990 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
991 relocation property table to find out size. Change error message to
992 print out the name of a relocation code instead of the numeric value.
993 (Target_arm::scan_reloc_for_stub): Use relocation property table
994 instead of calling Target_arm::reloc_uses_thumb_bit().
996 2010-02-02 Doug Kwan <dougkwan@google.com>
998 * arm.cc (Target_arm::relocate_section): Do view adjustment for all
999 types of relaxed input section.
1001 2010-02-02 Doug Kwan <dougkwan@google.com>
1003 * Makefile.am (HFILES): Add arm-reloc-property.h.
1005 (TARGETSOURCES): Add arm-reloc-property.cc
1006 (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1007 (libgold_a_SOURCES): $(DEFFILES)
1008 * Makefile.in: Regenerate.
1009 * arm-reloc-property.cc: New file.
1010 * arm-reloc-property.h: New file.
1011 * arm-reloc.def: New file.
1012 * arm.cc: Update comments.
1013 (arm-reloc-property.h): New included header.
1014 (arm_reloc_property_table): New global variable.
1015 (Target_arm::do_select_as_default_target): New method definition.
1016 * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1017 arm-reloc-property to targ_extra_obj.
1018 * parameters.cc (set_parameters_target): Call
1019 Target::select_as_default_target().
1020 * target.h (Target::select_as_default_target): New method definition.
1021 (Target::do_select_as_default_target): Same.
1023 2010-02-01 Doug Kwan <dougkwan@google.com>
1025 * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1026 first_output_text_section_.
1027 (Arm_exidx_fixup::first_output_text_section): New method definition.
1028 (Arm_exidx_fixup::first_output_text_section_): New data member.
1029 (Arm_exidx_fixup::process_exidx_section): Record the first text
1030 output section seen.
1031 (Arm_output_section::fix_exidx_coverage): Set correct linked section
1032 and entsize in output section header.
1034 2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1036 * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1037 R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1038 (Arm_relocate_functions::thm_alu11): New Method.
1039 (Arm_relocate_functions::thm_pc8): New Method.
1040 (Arm_relocate_functions::thm_pc12): New Method.
1041 (Target_arm::Scan::local): Handle the relocations.
1042 (Target_arm::Scan::global): Likewise.
1043 (Target_arm::Relocate::relocate): Likewise.
1044 (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1046 2010-01-29 Doug Kwan <dougkwan@google.com>
1048 * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1049 of relocation types as ld.
1051 2010-01-29 Doug Kwan <dougkwan@google.com>
1053 * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1055 (Arm_relocate_functions::thumb_branch_common): Ditto.
1056 (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1057 Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1058 Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1059 Arm_relocate_functions::jump24): Remove.
1060 (Target_arm::Relocate::relocate): Adjust code to call
1061 Arm_relocation_functions::arm_branch_common and
1062 Arm_relocation_functions::thumb_branch_common instead of their removed
1063 wrappers. Merge switch-cases together to reduce source code size.
1065 2010-01-29 Doug Kwan <dougkwan@google.com>
1067 * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1068 output_local_symbol_count_needs_update_.
1069 (Arm_relobj::output_local_symbol_count_needs_update,
1070 Arm_relobj::set_output_local_symbol_count_needs_update,
1071 Arm_relobj::update_output_local_symbol_count): New methods.
1072 (Arm_relobj::output_local_symbol_count_needs_update_): New data
1074 (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1075 of pointed function as in a R_ARM_PREL31 relocation.
1076 (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1077 for output local symbol count updating.
1078 (Target_arm::do_relax): Update output local symbol counts in objects
1080 * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1082 2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1084 * arm.cc: Added support for the ARM relocations:
1085 R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1086 R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1087 (Arm_relocate_functions::movw_rel_nc): Renamed (was
1089 (Arm_relocate_functions::movw_rel): New method.
1090 (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1091 (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1093 (Arm_relocate_functions::thm_movw_rel): New method.
1094 (Arm_relocate_functions::thm_movt_rel): Renamed (was
1096 (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1098 (Target_arm::Scan::global): Likewise.
1099 (Target_arm::Relocate::relocate): Likewise.
1100 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1103 2010-01-27 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1105 * arm.cc: Added support for ARM group relocations.
1106 (Target_arm::reloc_needs_sym_origin): New method.
1107 (Arm_relocate_functions::calc_grp_kn): New method.
1108 (Arm_relocate_functions::calc_grp_residual): New method.
1109 (Arm_relocate_functions::calc_grp_gn): New method.
1110 (Arm_relocate_functions::arm_grp_alu): New Method.
1111 (Arm_relocate_functions::arm_grp_ldr): New Method.
1112 (Arm_relocate_functions::arm_grp_ldrs): New Method.
1113 (Arm_relocate_functions::arm_grp_ldc): New Method.
1114 (Target_arm::Scan::local): Handle the ARM group relocations.
1115 (Target_arm::Scan::global): Likewise.
1116 (Target_arm::Relocate::relocate): Likewise.
1117 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1120 2010-01-26 Doug Kwan <dougkwan@google.com>
1122 * arm.cc (set): Include.
1123 (class Arm_exidx_fixup): Change type of last_input_section_ to const
1125 (Arm_output_section::Text_section_list): New type.
1126 (Arm_output_section::append_text_sections_to_list): New method.
1127 (Arm_output_section::fix_exidx_coverage): Ditto.
1128 (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1129 (Arm_relobj::convert_input_section_to_relaxed_section): Use
1130 Relobj::set_section_offset() instead of
1131 Sized_relobj::invalidate_section_offset().
1132 (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1133 parameter for section headers. Ignore relocation sections for
1134 unallocated sections and EXIDX sections.
1135 (Target_arm::fix_exidx_coverage): New method.
1136 (Target_arm::output_section_address_less_than): New type.
1137 (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1138 linked text section instead of the EXIDX section.
1139 (Arm_output_section::create_stub_group): Add an assertion to check
1140 that this is not an EXIDX output section.
1141 (Arm_output_section::append_text_sections_to_list): New method.
1142 (Arm_output_section::fix_exidx_coverage): Ditto.
1143 (Arm_relobj::scan_sections_for_stubs): Adjust call to
1144 Arm_relobj::section_needs_reloc_stub_scanning.
1145 (Target_arm::do_relax): Fix EXIDX output section coverage in the
1147 (Target_arm::fix_exidx_coverage): New method.
1148 * object.h (Relobj::set_output_section): New method.
1149 (Sized_relobj::invalidate_section_offset): Remove method.
1150 (Sized_relobj::do_invalidate_section_offset): Remove method.
1151 (Sized_relobj::do_set_section_offset): Handle offset value -1.
1153 2010-01-25 Doug Kwan <dougkwan@google.com>
1155 * arm.cc (Arm_exidx_merged_section::do_output_offset):
1156 Fix warning due to signed and unsigned comparison on a 32-bit host.
1158 2010-01-22 Doug Kwan <dougkwan@google.com>
1160 * arm.cc (Target_arm::do_relax): Record an output section for section
1161 offset adjustment it contains any stub table that has changed.
1162 * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1163 offsets in an output section if necessary.
1164 * output.cc (Output_section::Output_section): Initialize
1165 section_offsets_need_adjustments_.
1166 (Output_section::add_input_section_for_script): Renamed to
1167 Output_section::add_simple_input_section.
1168 (Output_section::save_states): Add a comment.
1169 (Output_section::discard_states): New method defintion.
1170 (Output_section::adjust_section_offsets): Same.
1171 * output.h (Output_section::add_input_section_for_script): Renamed to
1172 Output_section::add_simple_input_section.
1173 (Output_section::discard_states): New method declaration.
1174 (Output_section::adjust_section_offsets): Same.
1175 (Output_section::section_offsets_need_adjustment,
1176 Output_section::set_section_offsets_need_adjustment): New method
1178 (Output_section::section_offsets_need_adjustment_): New data member.
1179 * script-sections.cc
1180 (Output_section_element_input::set_section_address): Adjust code for
1181 renaming of Output_section::add_input_section_for_script.
1182 (Orphan_output_section::set_section_address): Same.
1184 2010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1186 * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1187 Fix_v4bx enum values .
1188 * gold/options.h (General_options): New option definitions.
1189 (General_options::fix_v4bx): New method.
1190 (General_options::Fix_v4bx): New enum.
1191 * gold/options.cc (General_options::parse_fix_v4bx): New method.
1192 (General_options::parse_fix_v4bx_interworking): New method.
1194 2010-01-22 Doug Kwan <dougkwan@google.com>
1196 * arm.cc (Arm_exidx_fixup): New class.
1198 2010-01-21 Doug Kwan <dougkwan@google.com>
1200 * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1202 (Arm_exidx_section_offset_map): New type.
1204 2010-01-21 Doug Kwan <dougkwan@google.com>
1206 * arm.cc (Arm_exidx_input_section): New class.
1207 (Arm_relobj::exidx_input_section_by_link,
1208 Arm_relobj::exidx_input_section_by_shndx,
1209 Arm_relobj::make_exidx_input_section): New methods.
1210 (read_arm_attributes_section): Remove.
1211 (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1212 information about them.
1213 (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1216 2010-01-20 Doug Kwan <dougkwan@google.com>
1218 * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1219 Input_section_specifier to Section_id.
1220 (Target_arm::new_arm_input_section: Adjust code for change of key
1222 (Target_arm::find_arm_input_section): Ditto.
1223 * gc.h (object.h): Include for Section_id nand Section_id_hash.
1224 (Section_id): Remove.
1225 (Garbage_collection::Section_id_hash): Remove.
1226 * icf.h (object.h): Include for Section_id nand Section_id_hash.
1227 (Section_id): Remove.
1228 (Icf::Section_id_hash): Remove.
1229 * object.h (Section_id, Const_section_id, Section_id_hash,
1230 Const_section_id_hash): New type definitions.
1231 * output.cc (Output_section::add_relaxed_input_section): Change to
1232 use Const_section_id instead of Input_section_specifier as key type.
1233 (Output_section::add_merge_input_section): Ditto.
1234 (Output_section::build_relaxation_map): Change to use Section_id
1235 instead of Input_section_specifier as key type.
1236 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1238 (Output_section::convert_input_sections_to_relaxed_sections): Change
1239 to use Const_section_id instead of Input_section_specifier as key type.
1240 (Output_section::find_merge_section): Ditto.
1241 (Output_section::find_relaxed_input_section): Ditto.
1242 * output.h (Input_section_specifier): Remove class.
1243 (Output_section::Output_section_data_by_input_section_map): Change
1244 key type to Const_section_id.
1245 (Output_section::Output_relaxed_input_section_by_input_section_map):
1247 (Output_section::Relaxation_map): Change key type to Section_id.
1249 2010-01-20 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1251 * gold/arm.cc: Added support for R_ARM_V4BX relocation
1252 (class Arm_v4bx_stub): New class.
1253 (DEF_STUBS): Updated definition to support v4_veneer_bx.
1254 (Stub_factory::make_arm_v4bx_stub): New method.
1255 (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1256 (Stub_table::empty): Handle v4bx stubs.
1257 (Stub_table::add_arm_v4bx_stub): New method.
1258 (Stub_table::find_arm_v4bx_stub): New method.
1259 (Arm_relocate_functions::v4bx): New method.
1260 (Target_arm::fix_v4bx): New method.
1261 (Target_arm::Target_arm): Handle R_ARM_V4BX.
1262 (Stub_table::relocate_stubs): Likewise.
1263 (Stub_table::do_write): Likewise.
1264 (Stub_table::update_data_size_and_addralign): Likewise.
1265 (Stub_table::finalize_stubs): Likewise.
1266 (Target_arm::Scan::local): Likewise.
1267 (Target_arm::Scan::global): Likewise.
1268 (Target_arm::do_finalize_sections): Likewise.
1269 (Target_arm::Relocate::relocate): Likewise.
1270 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1272 (Target_arm::scan_reloc_for_stub): Likewise.
1273 (Target_arm::scan_reloc_section_for_stubs): Likewise.
1275 2010-01-19 Ian Lance Taylor <iant@google.com>
1277 * output.cc (Output_section_headers::do_sized_write): Write large
1278 segment count to sh_info field.
1279 (Output_file_header::do_sized_write): For large segment count,
1280 write PN_XNUM to e_phnum field.
1282 2010-01-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1284 * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1285 (Arm_relocate_functions::thm_jump8): New function.
1286 (Arm_relocate_functions::thm_jump11): New function.
1287 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1289 (Target_arm::Scan::global): Likewise.
1290 (Target_arm::Relocate::relocate): Likewise.
1291 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1294 2010-01-14 Doug Kwan <dougkwan@google.com>
1296 * arm.cc (map, utility): Include headers.
1297 (Target_arm::apply_cortex_a8_workaround): New method.
1298 (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1299 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1300 (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1301 (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1302 the --[no-]fix-cortex-a8 command line options.
1303 (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1304 (Target_arm::relocate_stub): Use addend in instruction template.
1305 * options.h (DEFINE_bool): Set the user-set flag.
1306 (General_options): Add --[no-]-fix-cortex options.
1307 * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1308 : Update fast look-up map after conversion.
1310 2010-01-14 Sriraman Tallam <tmsriram@google.com>
1312 * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1313 in the first pass of do_layout.
1315 2010-01-13 Doug Kwan <dougkwan@google.com>
1317 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1318 Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1319 apparent compiler problem of not folding static constant integral
1320 data members of elfcpp::Elf_sizes<32>.
1322 2010-01-13 Doug Kwan <dougkwan@google.com>
1324 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1325 Arm_relobj::section_needs_cortex_a8_stub_scanning,
1326 Arm_relobj::scan_section_for_cortex_a8_erratum,
1327 Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1328 (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1329 sections to scan for relocation stubs into a new method
1330 Arm_relobj::section_needs_reloc_stub_scanning. Handle both
1331 relocation and Cortex-A8 stub scanning.
1332 (Target_arm::do_relax): Force stubs to be after stubbed sections
1333 if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
1334 the beginning of a new relaxation pass. Update a comment.
1335 (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1337 2010-01-12 Ian Lance Taylor <iant@google.com>
1339 * target-reloc.h (visibility_error): New inline function.
1340 (relocate_section): Call visibility_error.
1341 * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1342 (MOSTLYCLEANFILES): Likewise.
1343 (protected_4_pic.o, protected_3.err): New targets.
1344 * testsuite/protected_4.cc: New file.
1346 2010-01-12 Doug Kwan <dougkwan@google.com>
1348 * arm.cc (Cortex_a8_reloc): New class.
1349 (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1350 and cortex_a8_relocs_info_.
1351 (Target_arm::fix_cortex_a8): New method definition.
1352 (Target_arm::Cortex_a8_relocs_info): New type.
1353 (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1354 New data member declarations.
1355 (Target_arm::scan_reloc_for_stub): Record information about
1356 relocations for THUMB branches that might be exempted from the
1357 Cortex-A8 workaround.
1358 (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1359 at the beginning of a relaxation pass.
1361 2010-01-12 Doug Kwan <dougkwan@google.com>
1363 * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1364 (Arm_relobj::Mapping_symbol_position,
1365 Arm_reloj::Mapping_symbol_position_less,
1366 Arm_relobj::Mapping_symbols_info): New types.
1367 (Target_arm::is_mapping_symbol_name): New method definition.
1368 (Arm_relobj::do_count_local_symbols): Save information about mapping
1371 2010-01-11 Doug Kwan <dougkwan@google.com>
1373 * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1374 Arm_relocate_functions::thumb32_branch_upper,
1375 Arm_relocate_functions::thumb32_branch_lower,
1376 Arm_relocate_functions::thumb32_cond_branch_offset,
1377 Arm_relocate_functions::thumb32_cond_branch_upper,
1378 Arm_relocate_functions::thumb32_cond_branch_lower,
1379 Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1380 branch offset encoding.
1381 (Arm_relocate_functions::thumb_branch_common): Use new branch
1382 offset encoding methods to avoid code duplication.
1383 (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1384 (Stub_addend_reader::operator()): Use new branch encoding method
1385 to avoid code duplication.
1387 2010-01-11 Doug Kwan <dougkwan@google.com>
1389 * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1390 (Target_arm::do_finalize_sections): Define special EXIDX section
1391 symbols only if referenced.
1392 * gc.h (Garbage_collection::add_reference): New method.
1393 (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1396 2010-01-11 Ian Lance Taylor <iant@google.com>
1398 * script.cc (Version_script_info::build_expression_list_lookup):
1399 Change complaing about duplicate wildcard match from error to
1402 * script.cc (class Lazy_demangler): Recreate--revert part of patch
1404 (Version_script_info::Version_script_info): Initialize globs_,
1405 default_version_, default_is_global_, and exact_. Don't
1406 initialize globals_ or locals_.
1407 (Version_script_info::build_lookup_tables): Build local symbols
1409 (Version_script_info::unquote): New function.
1410 (Version_script_info::add_exact_match): New function.
1411 (Version_script_info::build_expression_list_lookup): Remove lookup
1412 parameter. Add is_global parameter. Change all callers. Handle
1413 wildcard pattern specially. Unquote pattern. Call
1415 (Version_script_info::get_name_to_match): New function.
1416 (Version_script_info::get_symbol_version): New function.
1417 (Version_script_info::get_symbol_version_helper): Remove.
1418 (Version_script_info::check_unmatched_names): Call unquote.
1419 * script.h (class Version_script_info): Change get_symbol_version
1420 to be non-inline and add is_global parameter; change all callers.
1421 Rewrite symbol_is_local. Update declarations. Define struct
1422 Version_tree_match, Exact, Globs. Don't define struct Lookup.
1423 Remove globals_ and locals_ members. Add exact_, globs_,
1424 default_version_, is_global_.
1425 (Version_script_info::Glob): Remove pattern, add expression and
1426 is_global. Update constructor. Change all callers.
1427 * dynobj.cc (Versions::finalize): Mark the version symbol as the
1429 (Versions::symbol_section_contents): If a symbol is undefined, or
1430 defined in a dynamic object, set the version index to
1432 * symtab.cc (Symbol_table::add_from_relobj): Don't call
1434 (Symbol_table::add_from_pluginobj): Likewise.
1435 * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1437 2010-01-11 Doug Kwan <dougkwan@google.com>
1439 * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1440 (incremental_dump_LDADD): Add linking option for libintl.
1441 * Makefile.in: Regenerate.
1443 2010-01-11 H.J. Lu <hongjiu.lu@intel.com>
1446 * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1448 * testsuite/Makefile.in: Regenerated.
1450 2010-01-10 Doug Kwan <dougkwan@google.com>
1452 * options.h (DEFINE_var): Use parentheses around argument varname__
1453 in macro body to avoid any unintended subsequent substitutions.
1455 2010-01-10 Ian Lance Taylor <iant@google.com>
1457 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1458 candidates before doing symbol resolution.
1460 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1461 ODR candidates if only one is weak.
1463 2010-01-08 Ian Lance Taylor <iant@google.com>
1465 * script.cc (Version_script_info::build_expression_list_lookup):
1466 Don't warn about ambiguous version, just record the ambiguity.
1467 (Version_script_info::get_symbol_version_helper): Give error if
1468 version is ambiguous.
1470 2010-01-08 Doug Kwan <dougkwan@google.com>
1472 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1473 prev_data_size_ and prev_addralign_. Remove initializer for
1474 deleted data member has_been_changed_.
1475 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1476 to determine if the table is empty.
1477 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1479 (Stub_table::add_reloc_stub): Define method in class definition
1480 instead of just declaring it there.
1481 (Stub_table::add_cortex_a8_stub): New method definition.
1482 (Stub_table::update_data_size_and_addralign): Ditto.
1483 (Stub_table::finalize_stubs): Ditto.
1484 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1485 (Stub_table::do_addralign_): Return address alignment in the
1486 (Stub_table::do_reset_address_and_file_offset): Define method in
1487 class definition instead of declaring it there. Set current data
1488 size to be the data size of the previous pass.
1489 (Stub_table::set_final_data_size): Use current data size as the
1491 (Stub_table::relocate_stub): Change parameter type of stub from
1492 Reloc_stub pointer to Stub pointer.
1493 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1494 (Stub_table::Cortex_a8_stub_list): New typedef.
1495 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1496 Stub_table::prev_addralign_): New data member.
1497 (Arm_relobj::Arm_relobj): Initialize data member
1498 section_has_cortex_a8_workaround_.
1499 (Arm_relobj::section_has_cortex_a8_workaround,
1500 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1502 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1504 (Target_arm::relocate_stub): Change parameter type of stub from
1505 Reloc_stub pointer to Stub pointer.
1506 (Insn_template::size, Insn_template::alignment): Handle
1507 THUMB16_SPECIAL_TYPE.
1508 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1509 Stub_table::update_data_size_and_addralign,
1510 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1512 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1513 (Stub_table::do_write): Ditto.
1514 (Target_arm::do_relax): Adjust code for changes in Stub_table.
1516 2010-01-08 Ian Lance Taylor <iant@google.com>
1519 * symtab.h (class Symbol): Remove fields is_target_special_ and
1520 has_plt_offset_. Add field is_defined_in_discarded_section_.
1521 (Symbol::is_defined_in_discarded_section): New function.
1522 (Symbol::set_is_defined_in_discarded_section): New function.
1523 (Symbol::has_plt_offset): Rewrite.
1524 (Symbol::set_plt_offset): Verify that new offset is not -1U.
1525 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1526 Don't initialize is_target_special_ or has_plt_offset_.
1527 Initialize is_defined_in_discarded_section_.
1528 (Symbol_table::add_from_relobj): If appropriate, set
1529 is_defined_in_discarded_section.
1530 * resolve.cc (Symbol::override_base_with_special): Don't test
1531 is_target_special_. Change has_plt_offset_ to has_plt_offset().
1532 * target-reloc.h (relocate_section): Do special handling for
1533 symbols defined in discarded sections for global symbols as well
1536 2010-01-08 Ian Lance Taylor <iant@google.com>
1538 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1539 the SHT_SYMTAB case.
1541 2010-01-08 Ian Lance Taylor <iant@google.com>
1543 * object.cc (Sized_relobj::do_layout): Don't get confused if
1544 layout_eh_frame returns NULL.
1546 2010-01-08 Ian Lance Taylor <iant@google.com>
1549 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1550 dynamic symbol table, use the normal symbol table.
1551 (Sized_dynobj::do_read_symbols): Remove assertion about type of
1554 2010-01-08 Ian Lance Taylor <iant@google.com>
1557 * layout.cc (Layout::include_section): Remove .gnu_debuglink
1560 2010-01-08 H.J. Lu <hongjiu.lu@intel.com>
1562 * version.cc (print_version): Change to "Copyright 2010".
1564 2010-01-08 Ian Lance Taylor <iant@google.com>
1568 * i386.cc (class Target_i386): Change return type of plt_section
1570 (class Output_data_plt_i386): Add tls_desc_rel_ field.
1571 (Output_data_plt_i386::Output_data_plt_i386): Initialize
1572 tls_desc_rel_ field.
1573 (Output_data_plt_i386::rel_tls_desc): New function.
1574 (Target_i386::rel_tls_desc_section): New function.
1575 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1576 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1577 R_386_TLS_DESC reloc in rel_tls_desc_section.
1578 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1579 Define struct Tlsdesc_info.
1580 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1581 (Target_x86_64::do_reloc_symbol_index): New function.
1582 (Target_x86_64::add_tlsdesc_info): New function.
1583 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1584 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1586 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
1588 (Output_data_plt_x86_64::rela_tlsdesc): New function.
1589 (Target_x86_64::rela_tlsdesc_section): New function.
1590 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1592 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1593 (Target_x86_64::do_reloc_addend): New function.
1594 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1595 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1596 declarations. Define TARGET_CODE. Add arg field to u1_ union.
1597 (Output_reloc::type): New function.
1598 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1599 (Output_reloc::is_target_specific): New function.
1600 (Output_reloc::target_arg): New function.
1601 (class Output_reloc) [SHT_RELA]: Add four new constructors for
1602 absolute relocs and target specific relocs.
1603 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1604 add_target_specific.
1605 (class Output_data_reloc) [SHT_RELA]: Likewise.
1606 * output.cc (Output_reloc::Output_reloc): Add four new versions
1607 for absolute relocs and target specific relocs.
1608 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1609 (Output_reloc::get_symbol_index): Likewise.
1610 (Output_reloc::local_section_offset): Check that local_sym_index_
1611 is not TARGET_CODE or 0.
1612 (Output_reloc::symbol_value): Likewise.
1613 (Output_reloc::write) [SHT_RELA]: Call target for target specific
1615 * target.h (class Target): Add reloc_symbol_index and reloc_addend
1616 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
1618 * layout.cc (add_target_dynamic_tags): Use output section for
1619 DT_PLTRELSZ and DT_JMPREL.
1621 2010-01-07 Ian Lance Taylor <iant@google.com>
1624 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1626 (class Output_data_reloc_generic): Define.
1627 (class Output_data_reloc_base): Change base class to
1628 Output_data_reloc_generic. Change add() method to call
1629 bump_relative_reloc_count for a relative reloc. Remove
1631 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1633 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1634 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
1636 * layout.h (class Layout): Update declaration.
1638 2010-01-07 Ian Lance Taylor <iant@google.com>
1640 * output.h (class Output_data): Add const version of
1641 output_section and do_output_section.
1642 (class Output_section_data): Add const version of
1644 (class Output_section): Likewise.
1645 * layout.cc (Layout::add_target_dynamic_tags): New function.
1646 * layout.h (class Layout): Update declarations.
1647 * arm.cc (Target_arm::do_finalize_sections): Use
1648 add_target_dynamic_tags.
1649 * i386.cc (Target_i386::do_finalize_sections): Likewise.
1650 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1651 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1652 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1654 2010-01-07 Ian Lance Taylor <iant@google.com>
1657 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1660 2010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
1661 Ian Lance Taylor <iant@google.com>
1664 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1665 Xindex::read_symtab_xindex.
1667 2010-01-07 Doug Kwan <dougkwan@google.com>
1669 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1670 (Insn_template::thumb16_bcond_insn): New method declaration.
1671 (Insn_template): Fix spelling.
1672 (Stub::thumb16_special): New method declaration.
1673 (Stub::do_write): Define virtual method which was previously pure
1675 (Stub::do_thumb16_special): New method declaration.
1676 (Stub::do_fixed_endian_write): New template member.
1677 (Reloc_stub::do_write): Remove.
1678 (Reloc_stub::do_fixed_endian_write): Remove.
1679 (Cortex_a8_stub): New class definition.
1680 (Stub_factory::make_cortex_a8_stub): New method definition.
1681 (Stub_factory::Stub_factory): Add missing static storage class
1682 qualifier for elf32_arm_stub_a8_veneer_blx.
1684 2010-01-07 Ian Lance Taylor <iant@google.com>
1687 * options.h (class General_options): Add --warn-unresolved-symbols
1688 and --error-unresolved-symbols.
1689 * errors.cc (Errors::undefined_symbol): Implement
1690 --warn-unresolved-symbols.
1692 * options.h (class General_options): Add -z text and -z textoff.
1693 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1695 2010-01-06 Sriraman Tallam <tmsriram@google.com>
1697 * gc.h (Garbage_collection::Cident_section_map): New typedef.
1698 (Garbage_collection::cident_sections): New function.
1699 (Garbage_collection::add_cident_section): New function.
1700 (Garbage_collection::cident_sections_): New member.
1701 (gc_process_relocs): Add references to sections whose names are C
1703 * gold.h (cident_section_start_prefix): New constant.
1704 (cident_section_stop_prefix): New constant.
1705 (is_cident): New function.
1706 * layout.cc (Layout::define_section_symbols): Replace string constants
1707 with the newly defined constants.
1708 * object.cc (Sized_relobj::do_layout): Track sections whose names are
1710 * testsuite/Makefile.am: Add gc_orphan_section_test.
1711 * testsuite/Makefile.in: Regenerate.
1712 * testsuite/gc_orphan_section_test.cc: New file.
1713 * testsuite/gc_orphan_section_test.sh: New file.
1715 2010-01-06 Ian Lance Taylor <iant@google.com>
1718 * options.h (class General_options): Add --warn-shared-textrel.
1719 * layout.cc (Layout::finish_dynamic_section): Implement
1720 --warn-shared-textrel.
1723 * options.h (class General_options): Add --warn-multiple-gp.
1725 2010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1727 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1728 $(THREADSLIB) and $(LIBDL).
1729 * Makefile.in: Rebuild.
1731 2010-01-06 Ian Lance Taylor <iant@google.com>
1734 * options.cc (General_options::parse_section_start): New function.
1735 (General_options::section_start): New function.
1736 (General_options::General_options): Initialize all members.
1737 * options.h: Include <map>
1738 (class General_options): Add --section-start. Add section_starts_
1740 * layout.cc (Layout::attach_allocated_section_to_segment): If
1741 --section-start was used, set the address of the segment. Remove
1742 local sort_sections.
1743 (Layout::relaxation_loop_body): If the address of the load segment
1744 has been set by --section-start, don't use it.
1745 * output.h (Output_segment::update_flags_for_output_section): New
1747 * output.cc (Output_segment::add_output_section): Call
1748 update_flags_for_output_section.
1750 2010-01-05 Ian Lance Taylor <iant@google.com>
1753 * options.h (class General_options): Add --undefined-version.
1754 * script.cc (struct Version_expression): Add was_matched_by_symbol
1756 (Version_script_info::matched_symbol): New function.
1757 (Version_script_info::get_symbol_version_helper): Call
1759 (Version_script_info::check_unmatched_names): New function.
1760 * script.h (class Version_script_info): Update declarations.
1761 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1763 * options.h (class General_options): Use DEFINE_bool_alias for
1764 allow_multiple_definition.
1765 * resolve.cc (Symbol_table::should_override): Don't test
1766 allow_multiple_definition.
1769 * options.h (class General_options): Add --cref.
1770 * main.cc (main): Print cref table if --cref. Don't close mapfile
1771 until after printing cref table.
1772 * cref.cc: Include "symtab.h".
1773 (class Cref_inputs): Define Cref_table_compare and Cref_table.
1774 (Cref_table_compare::operator()): New function.
1775 (Cref_inputs::gather_cref): New function.
1776 (filecol): New static const.
1777 (Cref_inputs::print_cref): New function.
1778 (Cref::print_cref): New function.
1779 * cref.h: Include <cstdio>.
1780 (class Cref): Update declarations.
1781 * mapfile.h (Mapfile::file): New function.
1782 * object.h (class Object): Define Symbols. Declare virtual
1783 do_get_global_symbols.
1784 (Object::get_global_symbols): New function.
1785 * object.cc (Input_objects::add_object): Pass object to cref_ if
1787 (Input_objects::archive_start): Likewise.
1788 (Input_objects::archive_stop): Likewise.
1789 (Input_objects::print_cref): New function.
1790 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1791 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1793 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1795 * plugin.h (class Sized_pluginobj): Update declarations.
1797 2010-01-05 Ian Lance Taylor <iant@google.com>
1799 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1800 to is_default_version. Rename insdef to insdefault.
1801 (Symbol_table::add_from_relobj): Rename def to is_default_version
1802 and local to is_forced_local.
1803 (Symbol_table::add_from_pluginobj): Likewise.
1804 (Symbol_table::add_from_dynobj): Likewise.
1805 (Symbol_table::define_special_symbol): Rename insdef to
1808 2010-01-04 Ian Lance Taylor <iant@google.com>
1811 * options.h (class General_options): Add
1812 --allow-multiple-definition and -z muldefs.
1813 * resolve.cc (Symbol_table::should_override): Don't warn about a
1814 multiple symbol definition if --allow-multiple-definition or -z
1818 * options.h (class General_options): Add --add-needed and
1819 --copy-dt-needed-entries. Tweak --as-needed help entry.
1820 * object.cc (Input_objects::check_dynamic_dependencies): Give an
1821 error if --copy-dt-needed-entries aka --add-needed is used and
1822 would cause a change in behaviour.
1825 * options.h (class General_options): Add -G as a short version of
1826 --shared. Add no-op options -assert, -g, and -i.
1828 2010-01-04 Sriraman Tallam <tmsriram@google.com>
1830 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1831 check for .text or .gnu.linkonce.t sections.
1832 * icf.cc (Icf::find_identical_sections): Ditto.
1833 Change the detection for mangled function name within the section
1835 * icf.h (is_section_foldable_candidate): New function.
1837 2009-12-30 Ian Lance Taylor <iant@google.com>
1840 * options.h (class General_options): Permit two dashes with
1841 --retain-symbols-file.
1843 2009-12-30 Ian Lance Taylor <iant@google.com>
1846 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1847 don't put the file header and segment headers in the text
1851 * common.cc (Sort_commons::operator()): Stabilize sort when both
1853 (Symbol_table::do_allocate_commons_list): When allocating common
1854 symbols, skip a symbol which is no longer common.
1855 * symtab.h (Symbol::is_common): Test whether the symbol comes from
1856 an object before checking its type.
1857 * testsuite/common_test_2.c: New file.
1858 * testsuite/common_test_3.c: New file.
1859 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1860 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1861 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1862 (common_test_2_pic.o, common_test_2.so): New targets.
1863 (common_test_3_pic.o, common_test_3.so): New targets.
1864 * testsuite/Makefile.in: Rebuild.
1867 * script.cc (read_input_script): If we see a new SECTIONS clause,
1868 and we have added an input section, give an error.
1869 * layout.h (class Layout): Add have_added_input_section function.
1870 Add have_added_input_section_ field.
1871 * layout.cc (Layout::Layout): Initialize
1872 have_added_input_section_.
1873 (Layout::layout): Set have_added_input_section_.
1874 (Layout::layout_eh_frame): Likewise.
1876 2009-12-30 Ian Lance Taylor <iant@google.com>
1879 * options.h (class General_options): Add --sort-common option.
1880 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1881 * common.cc (Sort_common): Add sort_order parameter to
1882 constructor. Add sort_order_ field.
1883 (Sort_commons::operator): Check sort_order_.
1884 (Symbol_table::allocate_commons): Determine the sort order.
1885 (Symbol_table::do_allocate_commons): Add sort_order parameter.
1887 (Symbol_table::do_allocate_commons_list): Likewise.
1889 2009-12-30 Ian Lance Taylor <iant@google.com>
1892 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1893 symbols from this object, don't change the visibility of an
1895 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1897 2009-12-30 Ian Lance Taylor <iant@google.com>
1900 * script.h (class Version_script_info): Define Language enum.
1901 Update declarations. Define Glob, Exact, and Lookup types. Add
1902 new fields globals_, locals_, and is_finalized_.
1903 * script.cc: Various formatting fixes.
1904 (class Parser_closure): Change language_stack_ from a vector of
1905 std::string to one of Version_script_info::Language. Adjust all
1907 (class Lazy_demangler): Remove.
1908 (struct Version_expression): Change language from std::string to
1909 Version_script_info::Language.
1910 (Version_script_info::Version_script_info): New function.
1911 (Version_script_info::~Version_script_info): Don't call clear.
1912 (Version_script_info::finalize): New function.
1913 (Version_script_info::build_lookup_tables): New function.
1914 (Version_script_info::build_expression_list_lookup): New
1916 (Version_script_info::get_symbol_version_helper): Rewrite to use
1918 (Version_script_info::print_expression_list): Adjust to use
1919 Version_script_info::Language.
1920 (script_push_lex_into_version_mode): Check that the version script
1921 has not been finalized.
1922 (version_script_push_lang): Change language string to
1923 Version_script_info::Language.
1924 * options.cc (Command_line::version_script): New function.
1925 * options.h (class General_options): Add finalize_dynamic_list
1926 function. Change version_script from declaration to definition.
1927 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1928 * testsuite/version_script.map: Remove duplicate def of foo.
1929 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1931 * testsuite/Makefile.in: Rebuild.
1933 2009-12-30 Ian Lance Taylor <iant@google.com>
1936 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1937 if the input symbol index is 0, make the output symbol index 0.
1939 2009-12-30 Ian Lance Taylor <iant@google.com>
1942 * options.h (class General_options): Add -x/--discard-all.
1943 * object.cc (Sized_relobj::do_count_local_symbols): Handle
1944 --discard-all. If the local symbol needs a dynamic entry, check
1945 that before handling --discard-locals.
1947 2009-12-30 Ian Lance Taylor <iant@google.com>
1950 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
1952 (Output_segment::add_output_section): Don't change the flags if
1956 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
1957 GNU hash table if they need a dynamic value. Otherwise, don't add
1958 them if they are defined in a dynamic object or are forced local.
1960 2009-12-29 Ian Lance Taylor <iant@google.com>
1963 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
1964 .gnu.hash table for a 32-bit target.
1967 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
1968 regular and a dynamic object only needs a dynamic symbol table
1969 entry if it is externally visible.
1972 * i386.cc (class Target_i386): Initialize global_offset_table_ in
1973 constructor. Add global_offset_table_ field.
1974 (Target_i386::got_section): Set global_offset_table_.
1975 (Target_i386::do_finalize_sections): Set global_offset_table_
1977 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
1978 in constructor. Add global_offset_table_ field.
1979 (Target_x86_64::got_section): Set global_offset_table_.
1980 (Target_x86_64::do_finalize_sections): Set global_offset_table_
1983 * layout.cc (Layout::Layout): Initialize increase_relro_.
1984 (Layout::get_output_section): Add is_relro, is_last_relro, and
1985 is_first_non_relro parameters. Change all callers.
1986 (Layout::choose_output_section): Likewise.
1987 (Layout::add_output_section_data): Likewise.
1988 (Layout::make_output_section): Likewise.
1989 (Layout::set_segment_offsets): Clear increase_relro when using a
1991 * layout.h (class Layout): Add increase_relro method. Add
1992 increase_relro_ field. Update declarations.
1993 * output.cc (Output_section::Output_section): Initialize
1994 is_last_relro_ and is_first_non_relro_.
1995 (Output_segment::add_output_section): Group relro sections is
1996 do_sort is true. Handle is_last_relro and is_first_non_relro.
1997 (Output_segment::maximum_alignment): Remove relro handling.
1998 (Output_segment::set_section_addresses): Add increase_relro
1999 parameter. Change all callers. Add initial alignment to align
2000 relro sections on separate page. Remove old relro handling.
2001 (Output_segment::set_section_list_addresses): Remove in_relro
2002 parameter. Change all callers.
2003 (Output_segment::set_offset): Add increase parameter. Change all
2004 callers. Remove old relro handling.
2005 * output.h (class Output_section): Add new methods: is_last_relro,
2006 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2007 Add is_last_relro_ and is_first_non_relro_ fields.
2008 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2009 Create separate .got.plt section. Call increase_relro.
2010 * x86_64.cc (Target_x86_64::got_section): Likewise.
2011 * testsuite/relro_script_test.t: Add .got.plt.
2014 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2015 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2016 (Layout::finalize): Call set_dynamic_symbol_size.
2017 (Layout::set_dynamic_symbol_size): New function.
2018 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
2019 set_dynamic_symbol_size.
2022 * output.h (class Output_section): Add is_entsize_zero_ field.
2023 * output.cc (Output_section::Output_section): Initialize
2025 (Output_section::set_entsize): If two different entsizes are
2026 requested, force it to zero.
2027 (Output_section::add_input_section): Set flags for .debug_str
2028 before updating section flags. Set entsize.
2029 (Output_section::update_flags_for_input_section): Set SHF_MERGE
2030 and SHF_STRING if all input sections have those flags.
2032 2009-12-29 Rafael Espindola <espindola@google.com>
2034 * main.cc (main): Fix the sys time reporting.
2035 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2038 2009-12-29 Sriraman Tallam <tmsriram@google.com>
2040 * options.cc (General_options::parse_version): Allow -v to exit
2041 without an error if there is nothing to link.
2043 2009-12-29 Ian Lance Taylor <iant@google.com>
2045 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2046 using a version of gcc before 4.1.
2047 * configure: Rebuild.
2049 2009-12-28 Chris Demetriou <cgd@google.com>
2051 * attributes.cc (Output_attributes_section_data::do_write): Use
2052 std::vector::front rather than std::vector::data.
2054 2009-12-28 Ian Lance Taylor <iant@google.com>
2056 * symtab.h (class Symbol_table): Add enum Defined.
2057 * resolve.cc (Symbol_table::should_override): Add defined
2058 parameter. Change all callers. Test whether object is NULL
2059 before calling a method on it.
2060 (Symbol_table::report_resolve_problem): Add defined parameter.
2062 (Symbol_table::should_override_with_special): Likewise.
2063 * symtab.cc (Symbol_table::define_in_output_data): Add defined
2064 parameter. Change all callers.
2065 (Symbol_table::do_define_in_output_data): Likewise.
2066 (Symbol_table::define_in_output_segment): Likewise.
2067 (Symbol_table::do_define_in_output_segment): Likewise.
2068 (Symbol_table::define_as_constant): Likewise.
2069 (Symbol_table::do_define_as_constant): Likewise.
2070 * script.h (class Symbol_assignment): Add is_defsym parameter to
2071 constructor; change all callers.
2072 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2073 parameter. Change all callers. Add is_defsym_ field.
2074 (class Parser_closure): Add parsing_defsym parameter to
2075 constructor; change all callers. Add parsing_defsym accessor
2076 function. Add parsing_defsym_ field.
2078 2009-12-28 Ian Lance Taylor <iant@google.com>
2080 * gold.cc (queue_middle_tasks): Fix formatting.
2081 * object.cc (Relobj::is_section_name_included): Likewise.
2083 2009-12-23 Ian Lance Taylor <iant@google.com>
2085 * i386.cc (Target_i386::do_calls_non_split): Recognize
2086 -fsplit-stack prologue for a function with a static chain.
2087 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2088 -fsplit-stack prologue when using %r11.
2090 2009-12-21 Sriraman Tallam <tmsriram@google.com>
2092 * options.cc (General_options::parse_version): Make -v continue and do
2093 the link like GNU ld does.
2095 2009-12-17 Rafael Avila de Espindola <espindola@google.com>
2097 * Makefile.am (CCFILES): Add timer.cc.
2098 (HFILES): Add timer.h.
2099 * configure.ac: Check for sysconf and times.
2100 * main.cc: include timer.h.
2101 (main): Use Timer instead of get_run_time.
2104 * workqueue.cc: include timer.h.
2105 (Workqueue::find_and_run_task):
2106 Report user, sys and wall time.
2107 * Makefile.in: Regenerate.
2108 * config.in: Regenerate.
2109 * configure: Regenerate.
2111 2009-12-16 Doug Kwan <dougkwan@google.com>
2113 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2115 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2116 relaxed input sections.
2117 * output.cc (Output_section::find_relaxed_input_section): Change
2118 return type to Output_relaxed_input_section pointer. Adjust code
2119 for new type of relaxed_input_section_map_.
2120 * output.h (Output_section::find_relaxed_input_section): Change
2121 return type to Output_relaxed_input_section pointer.
2122 (Output_section::Output_relaxed_input_section_by_input_section_map):
2124 (Output_section::relaxed_input_section_map_): Change type to
2125 Output_section::Output_relaxed_input_section_by_input_section_map.
2126 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2129 2009-12-15 Ian Lance Taylor <iant@google.com>
2131 * layout.cc (Layout::create_shstrtab): Only write out after input
2132 sections if we are compressing debug sections.
2134 2009-12-15 Ian Lance Taylor <iant@google.com>
2136 * archive.cc (Archive::add_symbols): Only look up a symbol without
2137 a version if there is, in fact, a version.
2139 2009-12-14 Ian Lance Taylor <iant@google.com>
2141 Revert -Wshadow changes, all changes from:
2142 2009-12-11 Doug Kwan <dougkwan@google.com>
2143 2009-12-11 Nick Clifton <nickc@redhat.com>
2144 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2146 2009-12-11 Doug Kwan <dougkwan@google.com>
2148 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2150 * attributes.cc (Object_attribute::size): Ditto.
2151 (Attributes_section_data::size): Ditto.
2152 (Attributes_section_data::Attributes_section_data): Ditto.
2153 (Output_attributes_section_data::do_write): Ditto.
2154 * attributes.h (Object_attribute::set_type): Ditto.
2155 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2157 2009-12-11 Nick Clifton <nickc@redhat.com>
2159 * archive.cc: Fix shadowed variable warnings.
2161 * compressed_output.cc: Likewise.
2162 * compressed_output.h: Likewise.
2163 * configure: Likewise.
2164 * dwarf_reader.cc: Likewise.
2165 * dynobj.cc: Likewise.
2166 * dynobj.h: Likewise.
2167 * ehframe.cc: Likewise.
2168 * ehframe.h: Likewise.
2169 * errors.cc: Likewise.
2170 * expression.cc: Likewise.
2171 * fileread.cc: Likewise.
2172 * fileread.h: Likewise.
2173 * freebsd.h: Likewise.
2174 * i386.cc: Likewise.
2176 * incremental.h: Likewise.
2177 * layout.cc: Likewise.
2178 * layout.h: Likewise.
2179 * mapfile.cc: Likewise.
2180 * merge.cc: Likewise.
2181 * merge.h: Likewise.
2182 * object.cc: Likewise.
2183 * object.h: Likewise.
2184 * options.h: Likewise.
2185 * output.cc: Likewise.
2186 * output.h: Likewise.
2187 * parameters.cc: Likewise.
2188 * plugin.cc: Likewise.
2189 * powerpc.cc: Likewise.
2190 * reduced_debug_output.cc: Likewise.
2191 * reduced_debug_output.h: Likewise.
2192 * reloc.cc: Likewise.
2193 * reloc.h: Likewise.
2194 * resolve.cc: Likewise.
2195 * script-sections.cc: Likewise.
2196 * script.cc: Likewise.
2197 * script.h: Likewise.
2198 * sparc.cc: Likewise.
2199 * symtab.cc: Likewise.
2200 * symtab.h: Likewise.
2201 * target-select.cc: Likewise.
2202 * target-select.h: Likewise.
2203 * token.h: Likewise.
2204 * workqueue.cc: Likewise.
2205 * workqueue.h: Likewise.
2206 * x86_64.cc: Likewise.
2208 2009-12-10 Doug Kwan <dougkwan@google.com>
2210 * arm.cc (attributes.h): New include.
2211 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2212 (Arm_relobj::~Arm_relobj): Delete object pointed by
2213 attributes_section_data_.
2214 (Arm_relobj::attributes_section_data): New method definition.
2215 (Arm_relobj::attributes_section_data_): New data member declaration.
2216 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2217 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2218 attributes_section_data_.
2219 (Arm_dynobj::attributes_section_data): New method definition.
2220 (Arm_dynobj::attributes_section_data_): New data member declaration.
2221 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
2222 initialization value of may_use_blx_ to false.
2223 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2224 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2225 object attributes to compute results instead of hard-coding.
2226 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2227 Target_arm::get_secondary_compatible_arch,
2228 Target_arm::set_secondary_compatible_arch
2229 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2230 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2231 New method declarations.
2232 (Target_arm::get_aeabi_object_attribute): New method definition.
2233 (Target_arm::attributes_section_data_): New data member declaration.
2234 (read_arm_attributes_section): New template definition.
2235 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2236 (Arm_dynobj::do_read_symbols): Ditto.
2237 (Target_arm::do_finalize_sections): Merge attributes sections from
2238 input. Check for BLX use after attributes section merging.
2239 Fix __exidx_start and __exidx_end visibility. Create an
2240 .ARM.attributes section if necessary.
2241 (Target_arm::get_secondary_compatible_arch,
2242 Target_arm::set_secondary_compatible_arch,
2243 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2244 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2245 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
2246 New method definitions.
2248 2009-12-09 Ian Lance Taylor <iant@google.com>
2250 * plugin.cc (Plugin::load): Don't cast from void* to a function
2253 2009-12-09 Ian Lance Taylor <iant@google.com>
2255 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2258 2009-12-09 H.J. Lu <hongjiu.lu@intel.com>
2260 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2261 Replace two_file_shared_1.so with two_file_shared_2.so.
2262 * testsuite/Makefile.in: Regenerated.
2264 2009-12-08 Doug Kwan <dougkwan@google.com>
2266 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2267 (HFILES): Add attributes.h and int_encoding.h.
2268 * Makefile.in: Regenerate.
2269 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2270 function definitions to int_encoding.cc
2271 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2272 prototypes to int_encoding.h
2273 * reduced_debug_output.cc (int_encoding.h): New include.
2274 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2275 function definitions to int_encoding.cc
2276 (insert_into_vector, read_from_pointer): Move template definitions to
2278 * attributes.cc: New file.
2279 * attributes.h: New file.
2280 * int_encoding.cc: New file.
2281 * int_encoding.h: New file.
2283 2009-12-07 Rafael Avila de Espindola <espindola@google.com>
2286 * incremental-dump.cc (dump_incremental_inputs): New.
2287 (main): Use dump_incremental_inputs.
2289 2009-12-07 H.J. Lu <hongjiu.lu@intel.com>
2292 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2293 checking elfcpp::STT_FUNC.
2294 (Target_i386::Relocate::relocate): Likewise.
2295 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2297 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2298 symbols from shared libraries into normal FUNC symbols.
2300 * symtab.h (Symbol): Add is_func and use it.
2302 2009-12-05 Doug Kwan <dougkwan@google.com>
2304 * arm.cc (Target_arm::arm_info): Initialize new fields
2305 attributes_section and attributes_vendor.
2306 * i386.cc (Target_i386::i386_info): Same.
2307 * object.cc (Sized_relobj::do_layout): Skip attribute section.
2308 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2309 fields attributes_section and attributes_vendor.
2310 * sparc.cc (Target_sparc::sparc_info): Same.
2311 * target.h (Target::attributes_section, Target::attributes_vendor,
2312 Target::is_attributes_section, Target::attribute_arg_type,
2313 Target::attributes_order): New method definitions.
2314 (Target::Target_info::attributes_section,
2315 Target::Target_info::attributes_vendor): New fields.
2316 (Target::do_attribute_arg_type, Target::do_attributes_order): New
2317 virtual method definitions.
2318 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2319 attributes_section and attributes_vendor.
2320 * testsuite/testfile.cc (Target_test::test_target_info): Same.
2322 2009-12-05 Doug Kwan <dougkwan@google.com>
2324 * arm.cc: Update comments about interworking and stub generation.
2325 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2326 considered as non-PIC.
2327 (Arm_relocate_functions::base_abs): Fix formatting.
2328 (Arm_relocate_functions::got_prel): Fix comment. Change interface
2329 of function to use GOT entry address instead of offset.
2330 (Target_arm::Scan::global): Issue an error if a symbol would need a
2331 PLT does not get one because it is untyped. Remove code to create
2332 dynamic symbols for relative branches.
2333 (Target_arm::Relocate::relocate: Use 0 instead of false since function
2334 takes unsigned integer instead of boolean.
2336 2009-12-05 H.J. Lu <hongjiu.lu@intel.com>
2338 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2339 (two_file_test_LDADD): Likewise.
2340 (common_test_1_LDADD): Likewise.
2341 (exception_test_LDADD) Likewise.
2342 (weak_test_LDADD): Likewise.
2343 (many_sections_test_LDADD): Likewise.
2344 (initpri1_LDADD): Likewise.
2345 (script_test_1_LDADD): Likewise.
2346 (script_test_2_LDADD): Likewise.
2347 (justsyms_LDADD): Likewise.
2348 (binary_test_LDADD): Likewise.
2349 (large_LDADD): Likewise.
2350 * testsuite/Makefile.in: Regenerated.
2352 2009-12-04 H.J. Lu <hongjiu.lu@intel.com>
2354 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2355 (Symbol_table::override_with_special): Likewise.
2356 (Symbol_table::add_from_object): Likewise.
2358 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
2360 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2361 Don't set the data_offset twice.
2363 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
2365 * testsuite/Makefile.in: Regenerate.
2367 2009-12-03 Doug Kwan <dougkwan@google.com>
2369 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2370 (Target_arm::do_finalize_sections): Add parameter for symbol table
2371 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
2372 * i386.cc (Target_i386::do_finalize_sections): Add an additional
2373 parameter for symbol table pointer.
2374 * layout.cc (Layout::finalize): Call Target::finalize_sections with
2375 an additional parameter for a pointer to symbol table.
2376 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2377 parameter for a symbol table pointer.
2378 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2379 * target.h (Target::finalize_sections, Target::do_finalize_sections):
2381 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2382 parameter for a symbol table pointer.
2384 2009-12-03 Rafael Avila de Espindola <espindola@google.com>
2386 * incremental.cc (Incremental_inputs_header)
2387 (Incremental_inputs_header_write, Incremental_inputs_entry)
2388 (Incremental_inputs_entry_write): Move ...
2389 * incremental.h (Incremental_inputs_header)
2390 (Incremental_inputs_header_write, Incremental_inputs_entry)
2391 (Incremental_inputs_entry_write): here.
2393 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
2395 * incremental.cc (make_sized_incremental_binary): Set the target.
2396 Error if it is incompatible.
2397 * output.h (Output_file): Add filename method.
2399 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
2401 * incremental.cc (Incremental_inputs_entry): Remove unused argument
2402 from the get_* methods.
2404 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
2406 * incremental-dump.cc (main): Check that the offeset of a script is 0.
2407 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2408 Write 0 for the data_offset of scripts.
2410 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
2412 * testsuite/Makefile.am: Add the incremental_test.sh test.
2413 * testsuite/incremental_test.sh: New.
2414 * testsuite/incremental_test_1.c: New.
2415 * testsuite/incremental_test_2.c: New.
2417 2009-12-01 Rafael Avila de Espindola <espindola@google.com>
2419 * incremental-dump.cc (main): Fix typos.
2421 2009-11-27 Rafael Avila de Espindola <espindola@google.com>
2424 * incremental-dump.cc (main): Use llu to print 64 bit values.
2426 2009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
2427 H.J. Lu <hongjiu.lu@intel.com>
2429 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2431 (incremental_dump_LDADD): Likewise.
2432 * Makefile.in: Regenerated.
2434 2009-11-25 Doug Kwan <dougkwan@google.com>
2438 2009-11-25 Doug Kwan <dougkwan@google.com>
2440 * arm.cc (Target_arm::Target_arm): Move method definition
2441 outside of class definition. Add code to handle
2442 --target1-rel, --target1-abs and --target2= options.
2443 (Target_arm::get_reloc_reloc_type): Change method to be
2444 non-static and const.
2445 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2446 New data member declaration.
2447 (Target_arm::Scan::local, Target_arm::Scan::global,
2448 Target_arm::Relocate::relocate,
2449 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2450 Adjust call to Target_arm::get_real_reloc_type.
2451 (Target_arm::get_real_reloc_type): Use command line options
2452 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2453 * options.h (--target1-rel, --target1-abs, --target2): New
2456 2009-11-25 Doug Kwan <dougkwan@google.com>
2458 * arm.cc (Target_arm::Target_arm): Move method definition outside of
2459 class definition. Add code to handle --target1-rel, --target1-abs
2460 and --target2= options.
2461 (Target_arm::get_reloc_reloc_type): Change method to be non-static
2463 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2465 (Target_arm::Scan::local, Target_arm::Scan::global,
2466 Target_arm::Relocate::relocate,
2467 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2468 call to Target_arm::get_real_reloc_type.
2469 (Target_arm::get_real_reloc_type): Use command line options to
2470 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2471 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2474 2009-11-25 Doug Kwan <dougkwan@google.com>
2476 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2477 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2478 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2480 (Arm_relocate_functions::thm_call): Replace body with a call to
2481 Arm_relocate_functions::thumb_branch_common.
2482 (Arm_relocate_functions::thm_jump24,
2483 Arm_relocate_functions::thm_xpc22): New method definitions.
2484 (Arm_relocate_functions::thumb_branch_common): New method definition.
2485 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2487 (Target_arm::Relocate::relocate): Adjust call to thm_call.
2488 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2490 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
2492 * Makefile.am: Build incremental-dump
2493 * Makefile.in: Regenerate.
2494 * incremental-dump.cc: New.
2495 * incremental.cc (Incremental_inputs_header_data,
2496 Incremental_inputs_entry_data): Move to incremental.h
2497 * incremental.h: (Incremental_inputs_header_data,
2498 Incremental_inputs_entry_data): Move from incremental.cc
2500 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
2502 * incremental.cc (Incremental_inputs_header,
2503 Incremental_inputs_header_write, Incremental_inputs_entry,
2504 Incremental_inputs_entry_write): Add a typedef with the data type.
2506 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
2508 * incremental.cc (Incremental_inputs_header,
2509 Incremental_inputs_header_write, Incremental_inputs_entry,
2510 Incremental_inputs_entry_write): Update comment about which
2511 type has the filed descriptions.
2513 2009-11-15 Doug Kwan <dougkwan@google.com>
2515 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2516 (Arm_relocate_functions::arm_branch_common): Change method defintion
2517 in class definition to a method declaration and update list of formal
2519 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2520 Arm_relocation_functions::jump24): Adjust call to
2521 Arm_relocate_functions::arm_branch_common. Update list of formal
2523 (Arm_relocate_functions::xpc25): New method definition.
2524 (Arm_relocate_functions::arm_branch_common): Move method defintion
2525 out from class definition. Use stubs for mode-switching and extending
2527 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2528 specially. Change code to enable use of stubs in ARM branches.
2530 2009-11-10 Doug Kwan <dougkwan@google.com>
2532 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2533 in method declaration.
2534 (Target_arm::relocate_stub): New method declaration.
2535 (Target_arm::default_target): Change to return a pointer instead of
2537 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2538 Target_arm::default_target.
2539 (Arm_Relobj::do_relocate_sections): Remove options paramater in
2541 (Target_arm::relocate_section): Adjust view.
2542 (Target_arm::relocate_stub): New method definition.
2544 2009-11-10 Doug Kwan <dougkwan@google.com>
2546 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2548 * incremental.cc (open_incremental_binary): Initialized local
2549 variables to avoid warnings.
2550 * object.cc (make_elf_object): Ditto.
2551 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2554 009-11-09 H.J. Lu <hongjiu.lu@intel.com>
2557 * testsuite/plugin_test.c: Include "config.h".
2559 2009-11-09 Doug Kwan <dougkwan@google.com>
2561 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2562 (arm_symbol_value): Remove.
2563 (Arm_relocate_functions::arm_branch_common,
2564 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2565 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2566 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2567 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2568 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2569 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2570 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2571 Arm_relocate_functions::thm_mobw_abs_nc,
2572 Arm_relocate_functions::thm_mov_abs,
2573 Arm_relocate_functions::movw_prel_nc,
2574 Arm_relocate_functions::thm_movt_abs,
2575 Arm_relocate_functions::movt_prel,
2576 Arm_relocate_functions::thm_movw_prel_nc,
2577 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2578 (Target_arm::Relocate::relocate): Only decompose address into two
2579 parts if relocation type uses the thumb-bit and pass the actual
2580 bit instead of a flag indicating that the thumb-bit is used. Adjust
2581 calls to methods in Arm_relocate_functions for this change.
2583 2009-11-08 Ian Lance Taylor <iant@google.com>
2586 * reloc.cc: Instantiate
2587 Sized_relobj::initialize_input_to_output_maps and
2588 Sized_relobj:free_input_to_output_maps.
2590 2009-11-06 Ian Lance Taylor <iant@google.com>
2593 * defstd.cc (in_segment): Set only_if_ref true for "end".
2595 2009-11-06 Doug Kwan <dougkwan@google.com>
2597 * arm.cc (class Reloc_stub): Correct a comment.
2598 (Target_arm::Target_arm): Initialize arm_input_section_map_.
2599 (Target_arm::scan_section_for_stubs): New method declaration.
2600 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2601 Change methods from private to protected.
2602 (Target_arm::do_may_relax): New method definition.
2603 (Target_arm::do_relax, Target_arm::group_sections,
2604 Target_arm::scan_reloc_for_stub,
2605 Target_arm::scan_reloc_section_for_stubs): New method declarations.
2606 (Target_arm::arm_input_section_map_): New data member declaration.
2607 (Target_arm::scan_reloc_for_stub,
2608 Target_arm::scan_reloc_section_for_stubs,
2609 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2610 Target_arm::do_relax): New method definitions.
2612 2009-11-06 Mikolaj Zalewski <mikolaj@google.com>
2614 * configure.ac: Check for (struct stat)::st_mtim
2615 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2616 * config.in: Regenerate.
2617 * configure: Regenerate.
2619 2009-11-05 Ian Lance Taylor <iant@google.com>
2622 * output.cc (Output_segment::add_output_section): Add missing
2625 2009-11-04 Ian Lance Taylor <iant@google.com>
2628 * object.h (class Object): Add is_needed and set_is_needed
2629 methods. Add is_needed_ field. Make bool fields into bitfields.
2630 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2631 defined in a dynamic object and referenced by a regular object,
2632 set is_needed for the dynamic object.
2633 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2634 if the file is marked with as_needed and it is not needed.
2636 2009-11-04 Ian Lance Taylor <iant@google.com>
2639 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2640 tags if data is discarded by linker script.
2641 * i386.cc (Target_i386::do_finalize_sections): Likewise.
2642 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2643 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2644 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2646 2009-11-04 Ian Lance Taylor <iant@google.com>
2648 * layout.cc (Layout::get_output_section): Add is_interp and
2649 is_dynamic_linker_section parameters. Change all callers.
2650 (Layout::choose_output_section): Likewise.
2651 (Layout::make_output_section): Likewise.
2652 (Layout::add_output_section_data): Add is_dynamic_linker_section
2653 parameter. Change all callers.
2654 * layout.h (class Layout): Update declarations.
2655 * output.h (class Output_section): Add is_interp, set_is_interp,
2656 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2657 Add is_interp_, is_dynamic_linker_section_ fields. Change
2658 generate_code_fills_at_write_ to a bitfield.
2659 * output.cc (Output_section::Output_sections): Initialize new
2661 (Output_segment::add_output_section): Add do_sort parameter.
2664 2009-11-03 Ian Lance Taylor <iant@google.com>
2667 * options.h (class General_options): Add --warn-common.
2668 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2669 merging two common symbols.
2670 (Symbol_table::should_override): Handle --warn-common when merging
2671 a common symbol with a defined symbol. Use report_resolve_problem
2672 for multiple definitions.
2673 (Symbol_table::report_resolve_problem): New function.
2674 * symtab.h (class Symbol_table): Declare report_resolve_problem.
2676 2009-11-03 Doug Kwan <dougkwan@google.com>
2678 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2680 (Target_arm::stub_factory): New method definition.
2681 (Target_arm::new_arm_input_section,
2682 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2683 Target_arm::reloc_uses_thumb_bit): New method declarations.
2684 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
2685 New type definitions.
2686 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2687 member declarations.
2688 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2689 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2690 New method definitions.
2692 2009-11-03 Ian Lance Taylor <iant@google.com>
2694 * options.h (class General_options): Add --warn_constructors.
2696 2009-11-03 Ian Lance Taylor <iant@google.com>
2699 * defstd.cc (in_section): Add entries for __rel_iplt_start,
2700 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2702 2009-11-03 Ian Lance Taylor <iant@google.com>
2705 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2706 --msgid-bugs-address.
2707 (install-pdf): New target.
2708 (install-data_yes): Look up one directory to find mkinstalldirs.
2710 2009-11-03 H.J. Lu <hongjiu.lu@intel.com>
2712 * po/Make-in (.po.gmo): Don't generate .gmo files in source
2715 2009-10-30 Doug Kwan <dougkwan@google.com>
2717 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2719 2009-10-30 Doug Kwan <dougkwan@google.com>
2721 * arm.cc (Stub_addend_reader): New struct template definition
2722 and partial specializations.
2723 (Stub_addend_reader::operator()): New method definition for a
2724 partially specialized template.
2726 2009-10-30 Doug Kwan <dougkwan@google.com>
2728 * arm.cc (Arm_relobj::processor_specific_flags): New method
2730 (Arm_relobj::do_read_symbols): New method declaration.
2731 (Arm_relobj::processor_specific_flags_): New data member declaration.
2732 (Arm_dynobj): New class definition.
2733 (Target_arm::do_finalize_sections): Add input_objects parameter.
2734 (Target_arm::do_adjust_elf_header): New method declaration.
2735 (Target_arm::are_eabi_versions_compatible,
2736 (Target_arm::merge_processor_specific_flags): New method declaration.
2737 (Target_arm::do_make_elf_object): New overloaded method definitions
2739 (Arm_relobj::do_read_symbols): New method definition.
2740 (Arm_dynobj::do_read_symbols): Ditto.
2741 (Target_arm::do_finalize_sections): Add input_objects parameters.
2742 Merge processor-specific flags from all input objects.
2743 (Target_arm::are_eabi_versions_compatible,
2744 Target_arm::merge_processor_specific_flags,
2745 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2746 New method definitions.
2747 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2748 Input_objects pointer type parameter.
2749 * layout.cc (Layout::finalize): Pass input objects to target's.
2750 finalize_sections function.
2751 * output.cc (Output_file_header::do_sized_write): Set ELF file
2752 header's processor-specific flags.
2753 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2754 Input_objects pointer type parameter.
2755 * sparc.cc (Target_sparc::do_finalize_sections): Same.
2756 * target.h (Input_objects): New forward class declaration.
2757 (Target::processor_specific_flags,
2758 Target::are_processor_specific_flags_sect): New method definitions.
2759 (Target::finalize_sections): Add input_objects parameter.
2760 (Target::Target): Initialize processor_specific_flags_ and
2761 are_processor_specific_flags_set_.
2762 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2764 (Target::set_processor_specific_flags): New method definition.
2765 (Target::processor_specific_flags_,
2766 Target::are_processor_specific_flags_set_): New data member
2768 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2769 Input_objects pointer type parameter.
2771 2009-10-30 Doug Kwan <dougkwan@google.com>
2773 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2775 2009-10-28 Ian Lance Taylor <iant@google.com>
2777 * object.h (class Relobj): Drop options parameter from
2778 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2779 do_scan_relocs, do_relocate. Change all callers.
2780 (class Sized_relobj): Drop options parameters from
2781 do_gc_process_relocs, do_scan_relocs, do_relocate,
2782 do_relocate_sections, relocate_sections, emit_relocs_scan,
2783 emit_relocs_scan_reltype. Change all callers.
2784 (struct Relocate_info): Remove options field and all references to
2786 * reloc.h (class Read_relocs): Remove options constructor
2787 parameter and options_ field. Change all callers.
2788 (class Gc_process_relocs, class Scan_relocs): Likewise.
2789 (class Relocate_task): Likewise.
2790 * target-reloc.h (scan_relocs): Remove options parameter. Change
2792 (scan_relocatable_relocs): Likewise.
2793 * target.h (class Sized_target): Remove options parameter from
2794 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
2796 * gc.h (gc_process_relocs): Remove options parameter. Change all
2798 * arm.cc: Update functions to remove options parameters.
2799 * i386.cc: Likewise.
2800 * powerpc.cc: Likewise.
2801 * sparc.cc: Likewise.
2802 * x86_64.cc: Likewise.
2803 * testsuite/testfile.cc: Likewise.
2805 2009-10-28 Doug Kwan <dougkwan@google.com>
2807 * arm.cc (Arm_relobj): New class definition.
2808 (Arm_relobj::scan_sections_for_stubs,
2809 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2810 New method definitions.
2812 2009-10-28 Cary Coutant <ccoutant@google.com>
2814 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2815 (Plugin::cleanup_done_): New member.
2816 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2817 (Plugin_manager::cleanup_done_): Remove.
2818 (Plugin_manager::add_input_file): Edit error message.
2819 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2820 (Plugin_manager::cleanup): Remove use of cleanup_done_.
2822 2009-10-27 Mikolaj Zalewski <mikolajz@google.com>
2824 * fileread.cc: (File_read::View::~View): Use the new
2825 data_ownership_ filed.
2826 (File_read::~File_read): Dispose the new whole_file_view_.
2827 (File_read::open): Mmap the whole file if needed.
2828 (File_read::open): Use whole_file_view_ instead of contents_.
2829 (File_read::find_view): Use whole_file_view_ if applicable.
2830 (File_read::do_read): Use whole_file_view_ instead of contents_.
2831 (File_read::make_view): Use whole_file_view_ instead of contents_,
2832 update File_read::View::View call.
2833 (File_read::find_or_make_view): Update File_read::View::View
2835 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2837 (File_read::View::Data_ownership): New enum.
2838 (File_read::View::View): Replace bool mapped_ with Data_ownership
2840 (File_read::View::mapped_): Remove (replaced by data_ownership_).
2841 (File_read::View::data_ownership_): New field.
2842 (File_read::contents_): Remove (replaced by whole_file_view_).
2843 (File_read::whole_file_view_): New field.
2844 * options.h (class General_options): Add --keep-files-mapped.
2846 2009-10-27 Cary Coutant <ccoutant@google.com>
2848 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2849 * testsuite/Makefile.am (plugin_test_5): New test case.
2850 * testsuite/Makefile.in: Regenerate.
2852 2009-10-25 Doug Kwan <dougkwan@google.com>
2854 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2855 from private to protected to allow access by child class.
2856 (Sized_relobj::do_relocate_sections): New method declaration.
2857 (Sized_relobj::relocate_sections): Virtualize.
2858 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
2859 Sized_relobj::relocate_sections. Instantiate template explicitly
2860 for different target sizes and endianity.
2862 2009-10-24 Doug Kwan <dougkwan@google.com>
2864 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2865 (Arm_input_section::as_arm_input_section): New method.
2866 (Arm_output_section): New class definition.
2867 (Arm_output_section::create_stub_group,
2868 Arm_output_section::group_sections): New method definitions.
2870 2009-10-22 Doug Kwan <dougkwan@google.com>
2872 * arm.cc (Arm_input_section): New class definition.
2873 (Arm_input_section::init, Arm_input_section:do_write,
2874 Arm_input_section::set_final_data_size,
2875 Arm_input_section::do_reset_address_and_file_offset): New method
2878 2009-10-21 Doug Kwan <dougkwan@google.com>
2880 * arm.cc (Stub_table, Arm_input_section): New forward class
2882 (Stub_table): New class defintion.
2883 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2884 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2885 New method definition.
2887 2009-10-21 Doug Kwan <dougkwan@google.com>
2889 * arm.cc: Update copyright comments.
2890 (Target_arm): New forward class template declaration.
2891 (Arm_address): New type.
2892 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2893 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2894 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2896 (Insn_template): Same.
2897 (DEF_STUBS): New macro.
2898 (Stub_type): New enum type.
2899 (Stub_template): New class definition.
2902 (Stub_factory): Same.
2903 (Target_arm::Target_arm): Initialize may_use_blx_ and
2904 should_force_pic_veneer_.
2905 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2906 Target_arm::should_force_pic_veneer,
2907 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2908 Target_arm::using_thumb_only, Target_arm:;default_target): New
2910 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2911 New data member declarations.
2912 (Insn_template::size, Insn_template::alignment): New method defintions.
2913 (Stub_template::Stub_template): New method definition.
2914 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2915 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2916 (Stub_factory::Stub_factory): New method definition.
2917 * gold.h (string_hash): New template.
2918 * output.h (Input_section_specifier::hash_value): Use
2920 (Input_section_specifier::string_hash): Remove.
2921 * stringpool.cc (Stringpool_template::string_hash): Use
2924 2009-10-20 Doug Kwan <dougkwan@google.com>
2926 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2927 symbols of relaxed input sections.
2928 * output.h (Output_section::find_relaxed_input_section): Make
2931 2009-10-16 Doug Kwan <dougkwan@google.com>
2933 * dynobj.cc (Versions::Versions): Initialize version_script_.
2934 Only insert base version symbol definition for a shared object
2935 if version script defines any version versions.
2936 (Versions::define_base_version): New method definition.
2937 (Versions::add_def): Check that base version is not needed.
2938 (Versions::add_need): Define base version lazily.
2939 * dynobj.h (Versions::define_base_version): New method declaration.
2940 (Versions::needs_base_version_): New data member declaration.
2941 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
2942 (check_DATA): Add no_version_test.stdout.
2943 (libno_version_test.so, no_version_test.o no_version_test.stdout):
2945 * testsuite/Makefile.in: Regenerate.
2946 * testsuite/no_version_test.c: New file.
2947 * testsuite/no_version_test.sh: Ditto.
2949 2009-10-16 Doug Kwan <dougkwan@google.com>
2951 * expression.cc (class Segment_start_expression): New class definition.
2952 (Segment_start_expression::value): New method definition.
2953 (script_exp_function_segment_start): Return a new
2954 Segment_start_expression.
2955 * gold/script-c.h (script_saw_segment_start_expression): New function
2957 * script-sections.cc (Script_sections::Script_sections): Initialize
2958 SAW_SEGMENT_START_EXPRESSION_ to false.
2959 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
2960 and -Tbbs options to specify section addresses if given in
2961 command line and no SEGMENT_START expression is seen in a script.
2962 * script-sections.h (Script_sections::saw_segment_start_expression,
2963 Script_sections::set_saw_segment_start_expression): New method
2965 (Script_sections::saw_segment_start_expression_): New data member
2967 * script.cc (script_saw_segment_start_expression): New function.
2968 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
2969 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
2970 script_test_7.sh and script_test_8.sh.
2971 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
2972 script_test_8.stdout.
2973 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
2974 (script_test_6, script_test_6.stdout, script_test_7,
2975 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
2976 * Makefile.in: Regenerate.
2977 * testsuite/script_test_6.sh: New file.
2978 * testsuite/script_test_6.t: Same.
2979 * testsuite/script_test_7.sh: Same.
2980 * testsuite/script_test_7.t: Same.
2981 * testsuite/script_test_8.sh: Same.
2983 2009-10-16 Doug Kwan <dougkwan@google.com>
2985 * output.cc (Output_segment::set_section_list_address): Cast
2986 expressions to unsigned long long type to avoid format warnings.
2988 2009-10-15 Ian Lance Taylor <iant@google.com>
2990 * script.cc (Script_options::add_symbol_assignment): Always add a
2991 dot assignment to script_sections_.
2992 * script-sections.cc (Script_sections::add_dot_assignment):
2993 Initialize if necessary.
2995 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
2996 program headers with no load segment if there is a linker script.
2998 * layout.cc (Layout::set_segment_offsets): Align the file offset
2999 to the segment aligment for -N or -n with no load segment.
3000 * output.cc (Output_segment::add_output_section): Don't crash if
3001 the first section is a TLS section.
3002 (Output_segment::set_section_list_addresses): Print an error
3003 message if the address moves backward in a linker script.
3004 * script-sections.cc
3005 (Output_section_element_input::set_section_addresses): Don't
3006 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3007 (Orphan_output_section::set_section_addresses): Likewise.
3009 2009-10-15 Doug Kwan <dougkwan@google.com>
3011 * layout.cc (Layout::finish_dynamic_section): Generate tags
3012 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3013 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3014 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3016 2009-10-14 Ian Lance Taylor <iant@google.com>
3018 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3020 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3021 data_shdr fields of relinfo.
3022 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3023 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
3024 R_386_TLS_LDO_32, adjust based on section flags.
3025 (Target_i386::Relocate::fix_up_ldo): Remove.
3027 2009-10-13 Ian Lance Taylor <iant@google.com>
3029 Add support for -pie.
3030 * options.h (class General_options): Add -pie and
3032 (General_options::output_is_position_independent): Test -pie.
3033 (General_options::output_is_executable): Return true if not shared
3034 and not relocatable.
3035 (General_options::output_is_pie): Remove.
3036 * options.cc (General_options::finalize): Reject incompatible uses
3038 * gold.cc (queue_middle_tasks): A -pie link is not static.
3039 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3040 * symtab.cc (Symbol::final_value_is_known): Return false if
3041 output_is_position_independent.
3042 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3043 output_is_position_independent.
3044 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3045 output_is_position_independent.
3046 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3047 output_is_position_independent.
3048 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3050 (basic_pie_test.o, basic_pie_test): New targets.
3051 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3052 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3053 (two_file_pie_test): New target.
3054 * testsuite/Makefile.in: Rebuild.
3055 * README: Remove note saying that -pie is not supported.
3057 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3059 * options.h (class General_options): Add -init and -fini.
3060 * layout.cc (Layout::finish_dynamic_section): Emit
3061 given init and fini functions.
3063 2009-10-13 Sriraman Tallam <tmsriram@google.com>
3065 * gc.h (gc_process_relocs): Check if icf is enabled using new
3067 * gold.cc (queue_initial_tasks): Likewise.
3068 (queue_middle_tasks): Likewise.
3069 * object.cc (do_layout): Likewise.
3070 * symtab.cc (is_section_folded): Likewise.
3071 * main.cc (main): Likewise.
3072 * reloc.cc (Read_relocs::run): Likewise.
3073 (Sized_relobj::do_scan_relocs): Likewise.
3074 * icf.cc (is_function_ctor_or_dtor): New function.
3075 (Icf::find_identical_sections): Check if function is ctor or dtor when
3077 * options.h (General_options::icf): Change option to be an enum.
3078 (Icf_status): New enum.
3079 (icf_enabled): New method.
3080 (icf_safe_folding): New method.
3081 (set_icf_status): New method.
3082 (icf_status_): New variable.
3083 * (options.cc) (General_options::finalize): Set icf_status_.
3084 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3085 icf_test and icf_keep_unique_test to use the --icf enum flag.
3086 * testsuite/icf_safe_test.sh: New file.
3087 * testsuite/icf_safe_test.cc: New file.
3089 2009-10-12 Sriraman Tallam <tmsriram@google.com>
3091 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3092 includes to gc.h and icf.h.
3093 * arm.cc: Include gc.h.
3094 * gold.cc: Likewise.
3095 * i386.cc: Likewise.
3096 * powerpc.cc: Likewise.
3097 * sparc.cc: Likewise.
3098 * x86_64.cc: Likewise.
3099 * gc.h: Include icf.h.
3101 2009-10-11 Ian Lance Taylor <iant@google.com>
3103 * plugin.cc: Include "gold.h" before other header files.
3105 2009-10-10 Chris Demetriou <cgd@google.com>
3107 * options.h (Input_file_argument::Input_file_type): New enum.
3108 (Input_file_argument::is_lib_): Replace with...
3109 (Input_file_argument::type_): New member.
3110 (Input_file_argument::Input_file_argument): Take Input_file_type
3111 'type' rather than boolean 'is_lib' as second argument.
3112 (Input_file_argument::is_lib): Use type_.
3113 (Input_file_argument::is_searched_file): New function.
3114 (Input_file_argument::may_need_search): Handle is_searched_file.
3115 * options.cc (General_options::parse_library): Support -l:filename.
3116 (General_options::parse_just_symbols): Update for Input_file_argument
3118 (Command_line::process): Likewise.
3119 * archive.cc (Archive::get_file_and_offset): Likewise.
3120 * plugin.cc (Plugin_manager::release_input_file): Likewise.
3121 * script.cc (read_script_file, script_add_file): Likewise.
3122 * fileread.cc (Input_file::Input_file): Likewise.
3123 (Input_file::will_search_for): Handle is_searched_file.
3124 (Input_file::open): Likewise.
3125 * readsyms.cc (Read_symbols::get_name): Likewise.
3126 * testsuite/Makefile.am (searched_file_test): New test.
3127 * testsuite/Makefile.in: Regenerate.
3128 * testsuite/searched_file_test.cc: New file.
3129 * testsuite/searched_file_test_lib.cc: New file.
3131 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3132 Ian Lance Taylor <iant@google.com>
3134 * descriptor.cc: Include <cstdio> and "binary-io.h".
3135 (Descriptors::open): Open the files in binary mode always.
3136 * script.cc (Lex::get_token): Treat \r as whitespace.
3138 2009-10-09 Ian Lance Taylor <iant@google.com>
3140 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3142 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3143 Ian Lance Taylor <iant@google.com>
3145 * configure.ac: Check for readv function also.
3146 * fileread.cc (readv): Define if not HAVE_READV.
3147 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3149 * config.in: Regenerate.
3150 * configure: Regenerate.
3152 2009-10-09 Doug Kwan <dougkwan@google.com>
3154 * layout.cc (Layout::make_output_section): Call target hook to make
3155 ordinary output section.
3156 (Layout::finalize): Adjust parameter list of call the
3157 Target::may_relax().
3158 * layout.h (class Layout::section_list): New method.
3159 * merge.h (Output_merge_base::entsize): Change visibility to public.
3160 (Output_merge_base::is_string, Output_merge_base::do_is_string):
3162 (Output_merge_string::do_is_string): New method.
3163 * object.cc (Sized_relobj::do_setup): renamed from
3164 Sized_relobj::set_up.
3165 * object.h (Sized_relobj::adjust_shndx,
3166 Sized_relobj::initializ_input_to_output_maps,
3167 Sized_relobj::free_input_to_output_maps): Change visibilities to
3169 (Sized_relobj::setup): Virtualize.
3170 (Sized_relobj::do_setup): New method declaration.
3171 (Sized_relobj::invalidate_section_offset,
3172 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3173 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3174 * options.cc (parse_int): New function.
3175 * options.h (parse_int): New declaration.
3176 (DEFINE_int): New macro.
3177 (stub_group_size): New option.
3178 * output.cc (Output_section::Output_section): Initialize memebers
3179 merge_section_map_, merge_section_by_properties_map_,
3180 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3181 (Output_section::add_input_section): Handled deferred code-fill
3182 generation and remove an old comment.
3183 (Output_section::add_relaxed_input_section): New method definition.
3184 (Output_section::add_merge_input_section): Use merge section by
3185 properties map to speed to search. Update merge section maps
3187 (Output_section::build_relaxation_map): New method definition.
3188 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3190 (Output_section::relax_input_section): Renamed to
3191 Output_section::convert_input_sections_to_relaxed_sections and change
3192 interface to take a vector of pointers to relaxed sections.
3193 (Output_section::find_merge_section,
3194 Output_section::find_relaxed_input_section): New method definitions.
3195 (Output_section::is_input_address_mapped,
3196 Output_section::output_offset, Output_section::output_address):
3197 Use output section data maps to speed up searching.
3198 (Output_section::find_starting_output_address): Add comments.
3199 (Output_section::do_write,
3200 Output_section::write_to_postprocessing_buffer): Do code-fill
3201 generation as appropriate.
3202 (Output_section::get_input_sections): Invalidate relaxed input section
3204 (Output_section::restore_states): Adjust type of checkpoint .
3205 Invalidate relaxed input section map.
3206 * output.h (Output_merge_base): New class declaration.
3207 (Input_section_specifier): New class defintion.
3208 (class Output_relaxed_input_section) Change base class to
3209 Output_section_data_build.
3210 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3211 base class initializer.
3212 (Output_section::add_relaxed_input_section): New method declaration.
3213 (Output_section::Input_section): Change visibility to protected.
3214 (Output_section::Input_section::relobj,
3215 Output_section::Input_section::shndx): Handle relaxed input sections.
3216 Output_section::input_sections) Change visibility to protected. Also
3217 define overload to return a non-const pointer.
3218 (Output_section::Merge_section_properties): New class defintion.
3219 (Output_section::Merge_section_by_properties_map,
3220 Output_section::Output_section_data_by_input_section_map,
3221 Output_section::Relaxation_map): New types.
3222 (Output_section::relax_input_section): Rename method to
3223 Output_section::convert_input_sections_to_relaxed_sections and change
3224 interface to take a vector of relaxed section pointers.
3225 (Output_section::find_merge_section,
3226 Output_section::find_relaxed_input_section,
3227 Output_section::build_relaxation_map,
3228 Output_section::convert_input_sections_in_list_to_relaxed_sections):
3229 New method declarations.
3230 (Output_section::merge_section_map_
3231 Output_section::merge_section_by_properties_map_,
3232 Output_section::relaxed_input_section_map_,
3233 Output_section::is_relaxed_input_section_map_valid_,
3234 Output_section::generate_code_fills_at_write_): New data members.
3235 * script-sections.cc
3236 (Output_section_element_input::set_section_addresses): Call
3237 current_data_size and addralign methods of relaxed input sections.
3238 (Orphan_output_section::set_section_addresses): Call current_data_size
3239 and addralign methods of relaxed input sections.
3240 * symtab.cc (Symbol_table::compute_final_value): Extract template
3241 from the body of Symbol_table::sized_finalize_symbol.
3242 (Symbol_table::sized_finalized_symbol): Call
3243 Symbol_table::compute_final_value.
3244 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3245 (Symbol_table::compute_final_value): New templated method declaration.
3246 * target.cc (Target::do_make_output_section): New method defintion.
3247 * target.h (Target::make_output_section): New method declaration.
3248 (Target::relax): Add more parameters for input objects, symbol table
3249 and layout. Adjust call to do_relax.
3250 (Target::do_make_output_section): New method declaration.
3251 (Target::do_relax): Add parameters for input objects, symbol table
3254 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3256 * pread.c: Include stdio.h.
3258 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3260 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3263 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3265 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3266 Change read_shndx type to unsigned int.
3267 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3269 (Sized_dwarf_line_info::read_line_mappings): Likewise.
3270 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3271 Change read_shndx type to unsigned int.
3272 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3274 (Sized_dwarf_line_info::read_line_mappings): Likewise.
3275 * layout.cc (Layout::create_symtab_sections): Cast the result of
3276 local_symcount * symsize to off_t in the gold_assert.
3278 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3280 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3281 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3283 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3284 (Arm_relocate_functions::thm_abs5): New function.
3285 (Arm_relocate_functions::abs12): New function.
3286 (Arm_relocate_functions::abs16): New function.
3287 (Arm_relocate_functions::base_abs): New function.
3288 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3289 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
3290 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3292 (Scan::global): Likewise.
3293 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3294 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3295 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3296 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3299 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3301 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3302 (Arm_relocate_functions::movt_prel): New function.
3303 (Arm_relocate_functions::thm_movw_prel_nc): New function.
3304 (Arm_relocate_functions::thm_movt_prel): New function.
3305 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3306 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3307 (Scan::global, Relocate::relocate): Likewise.
3308 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3310 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
3312 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3313 Incremental_checker.
3314 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3316 (class Incremental_inputs_header): New class.
3317 (Incremental_inputs_header_writer): Edit comment.
3318 (Incremental_inputs_entry): New class.
3319 (Incremental_inputs_entry_writer): Edit comment.
3320 (Sized_incremental_binary::do_find_incremental_inputs_section):
3321 Add *strtab_shndx parameter, fill it.
3322 (Sized_incremental_binary::do_check_inputs): New method.
3323 (Incremental_checker::can_incrementally_link_output_file): Use
3324 Sized_incremental_binary::check_inputs.
3325 (Incremental_inputs::report_command_line): Save command line in
3328 (Incremental_binary::find_incremental_inputs_section): New
3330 (Incremental_binary::do_find_incremental_inputs_section): Add
3331 strtab_shndx parameter.
3332 (Incremental_binary::do_check_inputs): New pure virtual method.
3333 (Sized_incremental_binary::do_check_inputs): Declare.
3334 (Incremental_checker::Incremental_checker): Add incremental_inputs
3335 parameter, use it to initialize incremental_inputs_.
3336 (Incremental_checker::incremental_inputs_): New field.
3337 (Incremental_checker::command_line): New method.
3338 (Incremental_checker::inputs): New method.
3339 (Incremental_checker::command_line_): New field.
3341 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
3343 * incremental.cc: Include <cstdarg> and "target-select.h".
3344 (vexplain_no_incremental): New function.
3345 (explain_no_incremental): New function.
3346 (Incremental_binary::error): New method.
3347 (Sized_incremental_binary::do_find_incremental_inputs_section): New
3349 (make_sized_incremental_binary): New function.
3350 (open_incremental_binary): New function.
3351 (can_incrementally_link_file): Add checks if output is ELF and has
3353 * incremental.h: Include "elfcpp_file.h" and "output.h".
3354 (Incremental_binary): New class.
3355 (Sized_incremental_binary): New class.
3356 (open_incremental_binary): Declare.
3357 * object.cc (is_elf_object): Use
3358 elfcpp::Elf_recognizer::is_elf_file.
3359 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3360 * output.h (Output_file::filesize): New method.
3362 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3364 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3366 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3367 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3369 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3371 (Arm_relocate_functions::movw_abs_nc): New function.
3372 (Arm_relocate_functions::movt_abs): New function.
3373 (Arm_relocate_functions::thm_movw_abs_nc): New function.
3374 (Arm_relocate_functions::thm_movt_abs): New function.
3375 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3376 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3377 (Scan::global): Likewise.
3378 (Relocate::relocate): Likewise.
3379 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3381 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3383 * arm.cc (Arm_relocate_functions::got_prel) New function.
3384 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3385 (Relocate::relocate): Likewise.
3386 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3388 2009-10-06 Ian Lance Taylor <iant@google.com>
3390 * options.h (class General_options): Define
3391 split_stack_adjust_size parameter.
3392 * object.h (class Object): Add uses_split_stack_ and
3393 has_no_split_stack_ fields. Add uses_split_stack and
3394 has_no_split_stack accessor functions. Declare
3395 handle_split_stack_section.
3396 (class Reloc_symbol_changes): Define.
3397 (class Sized_relobj): Define Function_offsets. Declare
3398 split_stack_adjust, split_stack_adjust_reltype, and
3400 * object.cc (Object::handle_split_stack_section): New function.
3401 (Sized_relobj::do_layout): Call handle_split_stack_section.
3402 * dynobj.cc (Sized_dynobj::do_layout): Call
3403 handle_split_stack_section.
3404 * reloc.cc (Sized_relobj::relocate_sections): Call
3405 split_stack_adjust for executable sections in split_stack
3406 objects. Pass reloc_map to relocate_section.
3407 (Sized_relobj::split_stack_adjust): New function.
3408 (Sized_relobj::split_stack_adjust_reltype): New function.
3409 (Sized_relobj::find_functions): New function.
3410 * target-reloc.h: Include "object.h".
3411 (relocate_section): Add reloc_symbol_changes parameter. Change
3413 * target.h (class Target): Add calls_non_split method. Declare
3414 do_calls_non_split virtual method. Declare match_view and
3416 * target.cc: Include "elfcpp.h".
3417 (Target::do_calls_non_split): New function.
3418 (Target::match_view): New function.
3419 (Target::set_view_to_nop): New function.
3420 * gold.cc (queue_middle_tasks): Give an error if mixing
3421 split-stack and non-split-stack objects with -r.
3422 * i386.cc (Target_i386::relocate_section): Add
3423 reloc_symbol_changes parameter.
3424 (Target_i386::do_calls_non_split): New function.
3425 * x86_64.cc (Target_x86_64::relocate_section): Add
3426 reloc_symbol_changes parameter.
3427 (Target_x86_64::do_calls_non_split): New function.
3428 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3430 * powerpc.cc (Target_powerpc::relocate_section): Add
3431 reloc_symbol_changes parameter.
3432 * sparc.cc (Target_sparc::relocate_section): Add
3433 reloc_symbol_changes parameter.
3434 * configure.ac: Call AM_CONDITIONAL for the default target.
3435 * configure: Rebuild.
3436 * testsuite/Makefile.am (TEST_AS): New variable.
3437 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3438 (check_DATA): Add split_i386 and split_x86_64 files.
3439 (SPLIT_DEFSYMS): Define.
3440 (split_i386_[1234n].o): New targets.
3441 (split_i386_[124]): New targets.
3442 (split_i386_[1234r].stdout): New targets.
3443 (split_x86_64_[1234n].o): New targets.
3444 (split_x86_64_[124]): New targets.
3445 (split_x86_64_[1234r].stdout): New targets.
3446 (MOSTLYCLEANFILES): Add new executables.
3447 * testsuite/split_i386.sh: New file.
3448 * testsuite/split_x86_64.sh: New file.
3449 * testsuite/split_i386_1.s: New file.
3450 * testsuite/split_i386_2.s: New file.
3451 * testsuite/split_i386_3.s: New file.
3452 * testsuite/split_i386_4.s: New file.
3453 * testsuite/split_i386_n.s: New file.
3454 * testsuite/split_x86_64_1.s: New file.
3455 * testsuite/split_x86_64_2.s: New file.
3456 * testsuite/split_x86_64_3.s: New file.
3457 * testsuite/split_x86_64_4.s: New file.
3458 * testsuite/split_x86_64_n.s: New file.
3459 * testsuite/testfile.cc (Target_test): Update relocation_section
3461 * testsuite/Makefile.in: Rebuild.
3463 2009-10-06 Ian Lance Taylor <iant@google.com>
3465 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3466 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3467 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
3468 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3469 the address on ldo_addrs_.
3470 (Target_i386::Relocate::fix_up_ldo): New function.
3472 2009-10-06 Rafael Espindola <espindola@google.com>
3474 * plugin.cc (add_input_library): New.
3475 (Plugin::load): Add add_input_library to tv.
3476 (Plugin_manager::add_input_file): Add the is_lib argument.
3477 (add_input_file): Update call to Plugin_manager::add_input_file.
3478 (add_input_library): New.
3479 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3481 2009-09-30 Doug Kwan <dougkwan@google.com>
3483 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3484 symbol and call Symbol::may_need_copy_reloc to determine if
3485 a copy reloc is needed.
3486 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3487 nocopyreloc is given in command line.
3488 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3489 given in command line.
3490 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3491 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3492 of the removed Target_i386::may_need_copy_reloc.
3493 * options.h (copyreloc): New option with default value false.
3494 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3495 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3496 instead of the removed Target_powerpc::may_need_copy_reloc.
3497 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3498 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3499 instead of the removed Target_sparc::may_need_copy_reloc.
3500 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3501 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3502 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3503 instead of the removed Target_x86_64::may_need_copy_reloc.
3505 2009-09-30 Ian Lance Taylor <iant@google.com>
3507 * object.h (class Object): Remove target_ field, and target,
3508 sized_target, and set_target methods.
3509 (Object::sized_target): Remove.
3510 (class Sized_relobj): Update declarations. Remove sized_target.
3511 * object.cc (Sized_relobj::setup): Remove target parameter.
3513 (Input_objects::add_object): Don't do anything with the target.
3514 (make_elf_sized_object): Add punconfigured parameter. Change all
3515 callers. Set or test parameter target.
3516 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3518 * parameters.cc (Parameters::set_target): Change parameter type to
3520 (Parameters::default_target): Remove.
3521 (set_parameters_target): Change parameter type to be non-const.
3522 (parameters_force_valid_target): New function.
3523 (parameters_clear_target): New function.
3524 * parameters.h (class Parameters): Update declarations. Remove
3525 default_target method. Add sized_target and clear_target
3526 methods. Change target_ to be non-const.
3527 (set_parameters_target): Update declaration.
3528 (parameters_force_valid_target): Declare.
3529 (parameters_clear_target): Declare.
3530 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3531 as NULL if we aren't searching.
3532 (Add_symbols::run): Don't check for compatible target.
3533 * fileread.cc (Input_file::open_binary): Call
3534 parameters_force_valid_target.
3535 * gold.cc (queue_middle_tasks): Likewise.
3536 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
3537 set_target on object.
3538 * dynobj.h (class Sized_dynobj): Update declarations.
3539 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3540 make_elf_object returns NULL.
3541 (Archive::include_member): Don't check whether object target is
3543 * output.cc (Output_section::add_input_section): Get target from
3545 (Output_section::relax_input_section): Likewise.
3546 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3548 (Sized_relobj::do_scan_relocs): Likewise.
3549 (Sized_relobj::relocate_sections): Likewise.
3550 * resolve.cc (Symbol_table::resolve): Likewise.
3551 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
3552 parameter. Change all callers.
3553 (Symbol_table::add_from_object): Get target from parameters.
3554 (Symbol_table::add_from_relobj): Don't check object target.
3555 (Symbol_table::add_from_dynobj): Likewise.
3556 (Symbol_table::define_special_symbol): Get target from
3558 * symtab.h (class Symbol_table): Update declaration.
3559 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3560 parameter. Change all callers. Clear parameter target.
3561 (Binary_test): Test target here.
3562 * testsuite/object_unittest.cc (gold_testsuite): Remove
3563 target_test_pointer parameter. Change all callers.
3564 (Object_test): Test target here.
3566 2009-09-26 Ian Lance Taylor <iant@google.com>
3568 * testsuite/initpri1.c: Don't try to use constructor priorities if
3569 compiling with gcc before 4.3.
3571 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
3573 * testsuite/retain_symbols_file_test.sh (check_present): Change
3574 output file name to retain_symbols_file_test.stdout.
3575 (check_absent): Likewise.
3577 2009-09-18 Craig Silverstein <csilvers@google.com>
3579 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3580 * options.cc: Include <cerrno> and <fstream>.
3581 (General_options::finalize): Parse -retain-symbols-file tag.
3582 * options.h: New flag.
3583 (General_options): New method should_retain_symbol, new
3584 variable symbols_to_retain.
3585 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3586 should_retain_symbol map.
3587 * testsuite/Makefile.am (retain_symbols_file_test): New test.
3588 * testsuite/Makefile.in: Regenerate.
3589 * testsuite/retain_symbols_file_test.sh: New file.
3591 2009-09-18 Nick Clifton <nickc@redhat.com>
3593 * po/es.po: Updated Spanish translation.
3595 2009-09-17 Doug Kwan <dougkwan@google.com>
3597 * debug.h (DEBUG_RELAXATION): New constant.
3598 (DEBUG_ALL): Add DEBUG_RELAXATION.
3599 (debug_string_to_enum): Add relaxation debug option.
3601 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3602 Layout::Relaxation_debug_check::read_sections,
3603 Layout::Relaxation_debug_check::read_sections): New method definitions.
3604 (Layout::Layout): Initialize data members
3605 record_output_section_data_from_scrips_,
3606 script_output_section_data_list_ and relaxation_debug_check_.
3607 (Layout::save_segments, Layout::restore_segments,
3608 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3609 Layout::relaxation_loop_body): New method definitions.
3610 (Layout::finalize): Support relaxation. Move section layout code to
3611 Layout::relaxation_loop_body.
3612 (Layout::set_asection_address_from_script): Move code for orphan
3613 section placement out.
3614 (Layout::place_orphan_sections_in_script): New method definition.
3615 * layout.h (Output_segment_headers, Output_file_header):
3616 New forward class declarations.
3617 (Layout::~Layout): Define.
3618 (Layout::new_output_section_data_from_script): New method definition.
3619 (Layout::place_orphan_sections_in_script): New method declaration.
3620 (Layout::Segment_states): New type declaration.
3621 (Layout::save_segments, Layout::restore_segments,
3622 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3623 Layout::relaxation_loop_body): New method declarations.
3624 (Layout::Output_section_data_list): New type declaration.
3625 (Layout::Relaxation_debug_check): New class definition.
3626 (Layout::record_output_section_data_from_script_,
3627 Layout::script_output_section_data_list_, Layout::segment_states_,
3628 Layout::relaxation_debug_check_): New data members.
3629 * output.cc: (Output_section_headers::do_size): New method definition.
3630 (Output_section_headers::Output_section_headers): Move size
3631 computation to Output_section_headers::do_size.
3632 (Output_segment_headers::do_size): New method definition.
3633 (Output_file_header::Output_file_header): Move size computation to
3634 Output_file_header::do_size and call it.
3635 (Output_file_header::do_size): New method definition.
3636 (Output_data_group::Output_data_group): Adjust call to
3637 Output_section_data.
3638 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3639 (Output_symtab_xindex::do_write): Add array bound check.
3640 (Output_section::Input_section::print_to_mapfile): Handle
3641 RELAXED_INPUT_SECTION_CODE.
3642 (Output_section::Output_section): Initialize data member checkpoint_.
3643 (Output_section::~Output_section): Delete checkpoint object pointed
3645 (Output_section::add_input_section): Always add an Input_section if
3647 (Output_section::add_merge_input_section): Add assert.
3648 (Output_section::relax_input_section): New method definition.
3649 (Output_section::set_final_data_size): Set load address to zero for
3650 an unallocated section.
3651 (Output_section::do_address_and_file_offset_have_reset_values):
3652 New method definition.
3653 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3654 Handle relaxed input section.
3655 (Output_section::sort_attached_input_sections): Checkpoint input
3656 section list lazily.
3657 (Output_section::get_input_sections): Change type of input_sections to
3658 list of Simple_input_section pointers. Checkpoint input section list
3659 lazily. Also handle relaxed input sections.
3660 (Output_section::add_input_section_for_script): Take a reference to
3661 a Simple_input_section object instead of Relobj pointer and section
3662 index as parameter. Handle relaxed input sections.
3663 (Output_section::save_states, Output_section::restore_states): New
3665 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3666 (Output_data::is_data_size_fixed): New method definition.
3667 (Output_data::reset_addresss_and_file_offset): Do not reset data size
3669 (Output_data::address_and_file_offset_have_reset_values): New method
3671 (Output_data::do_address_and_file_offset_have_reset_values): New method
3673 (Output_data::set_data_size): Check that data size is not fixed.
3674 (Output_data::fix_data_size): New method definition.
3675 (Output_data::is_data_size_fixed_): New data member.
3676 (Output_section_headers::set_final_data_size): New method definition.
3677 (Output_section_headers::do_size): New method declaration.
3678 (Output_segment_headers::set_final_data_size): New method definition.
3679 (Output_segment_headers::do_size): New method declaration.
3680 (Output_file_header::set_final_data_size)::New method definition.
3681 (Output_file_header::do_size)::New method declaration.
3682 (Output_section_data::Output_section_data): Add new parameter
3683 is_data_size_fixed and use it to fix data size.
3684 (Output_data_const::Output_data_const): Adjust call to base class
3685 constructor and fix data size.
3686 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3687 base class constructor and fix data size.
3688 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3689 base class constructor and fix data size.
3690 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3691 class constructor and fix data size.
3692 (Output_data_group::set_final_data_size): New method definition.
3693 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3694 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3695 class constructor and fix data size.
3696 (Output_relaxed_input_section): New class definition.
3697 (Output_section::Simple_input_section): New class definition.
3698 (Output_section::get_input_sections): Adjust parameter list.
3699 (Output_section::add_input_section_for_script): Same.
3700 (Output_section::save_states, Output_section::restore_states,
3701 Output_section::do_address_and_file_offset_have_reset_values,
3702 (Output_section::Input_section::Input_section): Handle
3703 RELAXED_INPUT_SECTION_CODE. Add new overload for
3704 Output_relaxed_input_section.
3705 (Output_section::Input_section::is_input_section,
3706 Output_section::Input_section::set_output_section): Handle relaxed
3708 (Output_section::Input_section::is_relaxed_input_section,
3709 Output_section::Input_section::output_section_data,
3710 Output_section::Input_section::relaxed_input_section): New method
3712 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3714 (Output_section::Input_section::u1_): Update comments.
3715 (Output_section::Input_section::u2_): Add new union member poris.
3716 (Output_section::Checkpoint_output_section): New classs definition.
3717 (Output_section::relax_input_section): New method declaration.
3718 (Output_section::checkpoint_): New data member.
3719 (Output_segment): Update comments.
3720 (Output_segment::Output_segment): Un-privatize copy constructor.
3721 (Output_segment::operator=): Un-privatize.
3722 * script-sections.cc (Output_section_element::Input_section_list):
3723 Change element type to Output_section::Simple_input_section.
3724 (Output_section_element_dot_assignment::set_section_addresses):
3725 Register output section data for relaxation clean up.
3726 (Output_data_exression::Output_data_expression): Adjust call to base
3727 constructor to fix data size.
3728 (Output_section_element_data::set_section_addresses): Register
3729 Output_data_expression object for relaxation clean up.
3730 (struct Input_section_info): Replace Relobj pointer and section index
3731 pair with Output_section::Simple_input_section and Convert struct to a
3733 (Input_section_sorter::operator()): Adjust access to
3734 Input_section_info data member to use accessors.
3735 (Output_section_element_input::set_section_addresses): Use layout
3736 parameter. Adjust code to use Output_section::Simple_input_section
3737 and Input_secction_info classes. Register filler for relaxation
3739 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3740 and section index pair with Output_section::Simple_input_section
3741 class. Adjust code accordingly.
3742 (Phdrs_element::release_segment): New method definition.
3743 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3745 (Script_sections::release_segments): New method definition.
3746 * gold/script-sections.h (Script_sections::release_segments): New
3748 * gold/target.h (Target::may_relax, Target::relax,
3749 Target::do_may_relax, Target::do_relax): New method definitions.
3751 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3753 * arm.cc (has_signed_unsigned_overflow): New function.
3754 (Arm_relocate_functions::abs8): New function.
3755 (Target_arm::Scan::local): Handle R_ARM_ABS8.
3756 (Target_arm::Scan::global): Likewise.
3757 (Target_arm::relocate::relocate): Likewise.
3758 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3761 2009-09-16 Cary Coutant <ccoutant@google.com>
3763 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3764 * testsuite/Makefile.in: Regenerate.
3766 2009-09-11 Nick Clifton <nickc@redhat.com>
3768 * po/gold.pot: Updated by the Translation project.
3770 2009-09-08 Cary Coutant <ccoutant@google.com>
3772 * output.cc (Output_file::open): Add execute permission to empty file.
3773 * testsuite/Makefile.am (permission_test): New test.
3774 * testsuite/Makefile.in: Regenerate.
3776 2009-09-02 Ian Lance Taylor <iant@google.com>
3778 * output.cc (Output_file::resize): Call map_no_anonymous rather
3781 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
3783 * gold.cc: Include "incremental.h".
3784 (queue_initial_tasks): Call Incremental_checker methods.
3785 * incremental.cc: Include "output.h".
3786 (Incremental_checker::can_incrementally_link_output_file): New
3788 * incremental.h (Incremental_checker): New class.
3790 * output.cc (Output_file::open_for_modification): New method.
3791 (Output_file::map_anonymous): Changed return type to bool. Record
3793 (Output_file::map_no_anonymous): New method, broken out of map.
3794 (Output_file::map): Use map_no_anonymous and map_anonymous.
3795 * output.h (class Output_file): Update declarations.
3797 2009-08-24 Cary Coutant <ccoutant@google.com>
3799 * options.h (Command_line::Pre_options): New class.
3800 (Command_line::pre_options): New member.
3801 * options.cc (gold::options::ready_to_register): New variable.
3802 (One_option::register_option): Do nothing if not registering options.
3803 Assert if same short option registered twice.
3804 (General_options::General_options): Turn off option registration when
3806 (Command_line::Pre_options::Pre_options): New constructor.
3808 2009-08-24 Cary Coutant <ccoutant@google.com>
3810 * options.h (General_options::no_keep_memory): Remove incorrect
3813 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3815 * Makefile.am (am__skiplex, am__skipyacc): New.
3816 * Makefile.in: Regenerate.
3818 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3820 * Makefile.am (AM_CPPFLAGS): Renamed from ...
3821 (INCLUDES): ... this.
3822 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3823 (AM_CPPFLAGS): Renamed from ...
3824 (INCLUDE): ... this.
3825 * Makefile.in, testsuite/Makefile.in: Regenerate.
3827 * Makefile.in: Regenerate.
3828 * aclocal.m4: Likewise.
3829 * config.in: Likewise.
3830 * configure: Likewise.
3831 * testsuite/Makefile.in: Likewise.
3833 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3834 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3835 * Makefile.in: Regenerate.
3836 * testsuite/Makefile.in: Regenerate.
3838 2009-08-19 Cary Coutant <ccoutant@google.com>
3840 * resolve.cc (Symbol_table::resolve): Don't complain about defined
3841 symbols in shared libraries overridden by hidden or internal symbols
3842 in the main program.
3844 2009-08-19 Chris Demetriou <cgd@google.com>
3846 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3847 checking source file names in error messages.
3849 2009-08-18 Doug Kwan <dougkwan@google.com>
3851 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3852 an elcpp::Ehdr as parameter. Adjust call to set_target.
3853 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3854 an elfcpp::Ehdr as parameter.
3855 * object.cc (Object::set_target): Remove the version that looks up
3856 a target and sets it.
3857 (Sized_relobj::setup): Take a Target object instead of
3858 an elfcpp::Ehdr as parameter. Adjust call to set_target.
3859 (make_elf_sized_object): Find target and ask target to
3861 * object.h: (Object::set_target): Remove the version that looks up
3862 a target and sets it.
3863 (Sized_relobj::setup): Take a Target object instead of
3864 an elfcpp:Ehdr as parameter.
3865 * target.cc: Include dynobj.h.
3866 (Target::do_make_elf_object_implementation): New.
3867 (Target::do_make_elf_object): New.
3868 * target.h (Target::make_elf_object): New template declaration.
3869 (Target::do_make_elf_object): New method declarations.
3870 (Target::do_make_elf_object_implementation): New template declaration.
3872 2009-08-14 Ian Lance Taylor <iant@google.com>
3874 * gold.h (FUNCTION_NAME): Define.
3875 (gold_unreachable): Use FUNCTION_NAME.
3877 2009-08-12 Sriraman Tallam <tmsriram@google.com>
3879 * icf.cc (Icf::find_identical_sections): Issue a warning when a
3880 symbol in the --keep-unique list is not found.
3882 2009-08-12 Sriraman Tallam <tmsriram@google.com>
3884 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3885 been maked as --keep-unique.
3886 (Icf::unfold_section): New function.
3887 * icf.h (Icf::unfold_section): New function.
3888 * options.h (General_options::keep_unique): New option.
3889 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3890 * testsuite/Makefile.in: Regenerate.
3891 * testsuite/icf_keep_unique_test.sh: New file.
3892 * testsuite/icf_keep_unique_test.cc: New file.
3894 2009-08-12 Cary Coutant <ccoutant@google.com>
3897 * resolve.cc (Symbol_table::resolve): Check for references from
3898 dynamic objects to hidden and internal symbols.
3899 * testsuite/Makefile.am (hidden_test.sh): New test.
3900 * testsuite/Makefile.in: Regenerate.
3901 * testsuite/hidden_test.sh: New script.
3902 * testsuite/hidden_test_1.c: New test source.
3903 * testsuite/hidden_test_main.c: New test source.
3905 2009-08-11 Doug Kwan <dougkwan@google.com>
3907 * arm.cc: Update comments.
3908 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3909 segment to locate the .ARM.exidx section if present.
3911 2009-08-09 Doug Kwan <dougkwan@google.com>
3913 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3916 2009-08-07 Sriraman Tallam <tmsriram@google.com>
3917 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3920 2009-08-06 Sriraman Tallam <tmsriram@google.com>
3922 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3923 valid tls_segment only for non-debug-section relocations.
3924 * testsuite/Makefile.am: Add gc_tls_test.
3925 * testsuite/Makefile.in: Regenerate.
3926 * testsuite/gc_tls_test.cc: New file.
3927 * testsuite/gc_tls_test.sh: New file.
3929 2009-08-05 Sriraman Tallam <tmsriram@google.com>
3933 * Makefile.am (CCFILES): Add icf.cc.
3935 * Makefile.in: Regenerate.
3936 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3937 * gc.h (gc_process_relocs): Populate lists used by icf to contain
3938 section, symbol and addend information for the relocs.
3939 * gold.cc (queue_middle_tasks): Call identical code folding.
3940 * gold.h: Add defines for multimap.
3941 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
3942 to the call of finalize_local_symbols.
3943 * main.cc (main): Create object of class Icf.
3944 * object.cc (Sized_relobj::do_layout): Allow this function to be
3945 called twice during icf.
3946 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
3947 to sections marked as identical by icf.
3948 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
3950 (Sized_relobj::do_section_entsize): New function.
3951 * object.h (Object::section_entsize): New function.
3952 (Object::do_section_entsize): New pure virtual function.
3953 (Relobj::finalize_local_symbols): Add new parameter.
3954 (Relobj::do_section_entsize): New function.
3955 * options.h (General_options::icf): New option.
3956 (General_options::icf_iterations): New option.
3957 (General_options::print_icf_sections): New option.
3958 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
3959 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
3960 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
3962 * symtab.cc (Symbol_table::is_section_folded): New function.
3963 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
3964 to sections marked as identical by icf.
3965 * symtab.h (Symbol_table::set_icf): New function.
3966 (Symbol_table::icf): New function.
3967 (Symbol_table::is_section_folded): New function.
3968 (Symbol_table::icf_): New data member.
3969 * target-reloc.h (relocate_section): Ignore sections folded by icf.
3970 * testsuite/Makefile.am: Add commands to build icf_test.
3971 * testsuite/Makefile.in: Regenerate.
3972 * testsuite/icf_test.sh: New file.
3973 * testsuite/icf_test.cc: New file.
3975 2009-07-24 Chris Demetriou <cgd@google.com>
3977 * layout.cc (is_compressible_debug_section): Fix incorrect
3978 comment about compressed section names.
3980 2009-07-20 Ian Lance Taylor <ian@airs.com>
3983 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
3985 2009-07-16 Ian Lance Taylor <iant@google.com>
3988 * layout.h: #include <map>.
3989 (class Kept_section): Change from struct to class. Add accessors
3990 and setters. Add section size to Comdat_group mapping. Change
3991 Comdat_group to std::map. Add is_comdat_ field. Add
3992 linkonce_size field in union.
3993 (class Layout): Update declaration of find_or_add_kept_section.
3994 Don't declare find_kept_object.
3995 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
3996 parameter. Add object, shndx, is_comdat, and is_group_name
3997 parameters. Change all callers. Adjust for new Kept_section.
3998 (Layout::find_kept_object): Remove.
3999 * object.cc (Sized_relobj::include_section_group): Update use of
4000 Kept_section. Rename secnum to shndx. Only record
4001 Kept_comdat_section if sections are the same size.
4002 (Sized_relobj::include_linkonce_section): Update use of
4003 Kept_section. Only record Kept_comdat_section if sections are the
4004 same size. Set size of linkonce section.
4005 (Sized_relobj::map_to_kept_section): Update call to
4006 get_kept_comdat_section.
4007 * object.h (class Sized_relobj): Rename fields in
4008 Kept_comdat_section to drop trailing underscores; change object
4009 field to Relobj*. Change Kept_comdat_section_table to store
4010 struct rather than pointer.
4011 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4012 Add kept_object and kept_shndx parameters. Change all callers.
4013 (Sized_relobj::get_kept_comdat_section): Change return type to
4014 bool. Add kept_object and kept_shndx parameters. Change all
4016 * plugin.cc (Pluginobj::include_comdat_group): Update call to
4017 Layout::find_or_add_kept_section.
4019 2009-07-09 Ian Lance Taylor <iant@google.com>
4021 * merge.cc (Object_merge_map::initialize_input_to_output_map):
4022 Reserve space in the hash table.
4024 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
4026 * fileread.cc (File_read::get_mtime): New method.
4027 * fileread.h (Timespec): New structure.
4028 (File_read::get_mtime): New method.
4029 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4030 Renamed from timestamp_nsec.
4031 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4033 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
4035 (Incremental_inputs::report_archive): Save mtime; style fix.
4036 (Incremental_inputs::report_obejct): Save mtime; style fix.
4037 (Incremental_inputs::report_script): Save mtime; style fix.
4038 (Incremental_inputs::finalize_inputs): Style fix.
4039 (Incremental_inputs::finalize): Style fix.
4040 (Incremental_inputs::create_input_section_data): Store inputs
4042 * incremental.h (Incremental_inputs::report_script): Add mtime
4044 (Incremental_inputs::Input_info::Input_info): Intialize only one
4046 (Incremental_inputs::Input_info::archive): Move to nameless
4048 (Incremental_inputs::Input_info::obejct): Move to nameless union.
4049 (Incremental_inputs::Input_info::script): Move to nameless union.
4050 (Incremental_inputs::mtime): New field.
4051 * script.cc (read_input_script): Pass file mtime to
4053 * script.h (Script_info::inputs): Style fix.
4055 2009-07-01 Ian Lance Taylor <ian@airs.com>
4057 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4060 2009-06-24 Ian Lance Taylor <iant@google.com>
4063 * layout.cc (Layout::choose_output_section): If we find an
4064 existing section, update the flags.
4065 (Layout::create_notes): New function, broken out of
4067 (Layout::finalize): Don't create note sections.
4068 (Layout::create_note): Don't crash if linker script discards
4070 (Layout::create_gold_note): Likewise.
4071 (Layout::create_build_id): Likewise. Don't set
4072 after_input_sections on the section.
4073 (Layout::create_executable_stack_info): Remove target parameter.
4075 * layout.h (class Layout): Declare create_notes. Update
4076 declaration of create_executable_stack_info.
4077 * gold.cc (queue_middle_tasks): Call create_notes.
4078 * output.cc (Output_section::update_flags_for_input_section): Move
4079 here from output.h. If SHF_ALLOC flag is newly set, mark address
4081 * output.h (Output_data::mark_address_invalid): New function.
4082 (class Output_section): Only declare, not define,
4083 update_flags_for_input_section. Remove set_flags.
4085 2009-06-24 Ian Lance Taylor <iant@google.com>
4087 * script-sections.cc (Output_section_definition::
4088 set_section_addresses): Rename shadowing local load_address to
4091 2009-06-24 Ian Lance Taylor <iant@google.com>
4094 * reloc.cc (relocate_sections): Skip empty relocation sections.
4096 2009-06-23 Ian Lance Taylor <iant@google.com>
4099 * layout.cc (Layout::create_note): Use choose_output_section
4100 rather than make_output_section.
4102 2009-06-23 Ian Lance Taylor <iant@google.com>
4105 * options.cc (General_options::parse_V): Set printed_version_.
4106 (General_options::General_options): Initialize printed_version_.
4107 * options.h (class General_options): Add printed_version_ field.
4108 * gold.cc (queue_initial_tasks): If there are no input files,
4109 don't give a fatal error if we printed the version information.
4110 (queue_middle_tasks): If using -r with a shared object, give a
4111 fatal error rather than an ordinary error.
4113 2009-06-23 Ian Lance Taylor <iant@google.com>
4116 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4117 (Layout::make_output_section): Set have_stabstr_section_ if we see
4118 a .stab*str section.
4119 (Layout::finalize): Call link_stabs_sections.
4120 (Layout::link_stabs_sections): New file.
4121 * layout.h (class Layout): Add have_stabstr_section_ field.
4122 Declare link_stabs_sections.
4124 2009-06-23 Doug Kwan <dougkwan@google.com>
4126 * Makefile.am (libgold_a_LIBADD): New.
4127 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4128 * Makefile.in: Regenerate.
4129 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4130 * configure: Regenerate.
4131 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4132 * fileread.cc: Include sys/state.h
4133 * gold.h: Declare memmem and strndup if found missing.
4134 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4136 2009-06-23 Ian Lance Taylor <iant@google.com>
4138 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4139 * configure: Rebuild.
4141 2009-06-23 Ian Lance Taylor <iant@google.com>
4144 * object.cc (Object::section_contents): Don't try to get a view if
4145 the section has length zero.
4146 (Object::handle_gnu_warning_section): If the section is empty, use
4147 the name of the section as the warning.
4149 2009-06-23 Ian Lance Taylor <iant@google.com>
4152 * stringpool.h (class Stringpool_template): Add optimize_ field.
4153 (Stringpool_template::set_optimize): New function.
4154 * stringpool.cc (Stringpool_template::Stringpool_template):
4155 Initialize optimize_ field.
4156 (Stringpool_template::set_string_offsets): Test local optimize
4157 fild rather than parameter.
4158 * layout.cc (Layout::Layout): Call set_optimize on the section
4161 2009-06-22 Ian Lance Taylor <iant@google.com>
4164 * yyscript.y: Parse TARGET.
4165 * script.cc (script_set_target): New function.
4166 * script-c.h (script_set_target): Declare.
4167 * options.cc (General_options::string_to_object_format): Rename
4168 from string_to_object_format in anonymous namespace. Change
4170 * options.h (class General_options): Declare
4171 string_to_object_format.
4173 2009-06-22 Ian Lance Taylor <iant@google.com>
4175 * script-sections.cc (Script_sections::create_segments): Don't put
4176 program headers in a PT_LOAD segment if -n or -N.
4178 2009-06-22 Ian Lance Taylor <iant@google.com>
4181 * options.h (class General_options): Add -z lazy and -z now. Sort
4182 -z options into alphabetical order.
4183 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4185 2009-06-21 Ian Lance Taylor <iant@google.com>
4187 * layout.cc (Layout::make_output_section): Call
4188 Target::new_output_section.
4189 (Layout::attach_allocated_section_to_segment): Put large section
4190 sections in a separate load segment with the large segment flag
4192 (Layout::segment_precedes): Sort large data segments after other
4194 (align_file_offset): New static function.
4195 (Layout::set_segment_offsets): Use align_file_offset.
4196 * output.h (class Output_section): Add is_small_section_ and
4197 is_large_section_ fields.
4198 (Output_section::is_small_section): New function.
4199 (Output_section::set_is_small_section): New function.
4200 (Output_section::is_large_section): New function.
4201 (Output_section::set_is_large_section): New function.
4202 (Output_section::is_large_data_section): New function.
4203 (class Output_segment): Add is_large_data_segment_ field.
4204 (Output_segment::is_large_data_segment): New function.
4205 (Output_segment::set_is_large_data_segment): New function.
4206 * output.cc (Output_section::Output_section): Initialize new
4208 (Output_segment::Output_segment): Likewise.
4209 (Output_segment::add_output_section): Add assertion that large
4210 data sections always go in large data segments. Force small data
4211 sections to the end of the list of data sections. Force small BSS
4212 sections to the start of the list of BSS sections. For large BSS
4213 sections to the end of the list of BSS sections.
4214 * symtab.h (class Symbol): Declare is_common_shndx.
4215 (Symbol::is_defined): Check Symbol::is_common_shndx.
4216 (Symbol::is_common): Likewise.
4217 (class Symbol_table): Define enum Commons_section_type. Update
4218 declarations. Add small_commons_ and large_commons_ fields.
4219 * symtab.cc (Symbol::is_common_shndx): New function.
4220 (Symbol_table::Symbol_table): Initialize new fields.
4221 (Symbol_table::add_from_object): Put small and large common
4222 symbols in the right list.
4223 (Symbol_table::sized_finalized_symbol): Check
4224 Symbol::is_common_shndx.
4225 (Symbol_table::sized_write_globals): Likewise.
4226 * common.cc (Symbol_table::do_allocate_commons): Allocate new
4227 common symbol lists. Don't call do_allocate_commons_list if the
4229 (Symbol_table::do_allocate_commons_list): Remove is_tls
4230 parameter. Add comons_section_type parameter. Change all
4231 callers. Handle small and large common symbols.
4232 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4233 Symbol::is_common_shndx.
4234 * resolve.cc (symbol_to_bits): Likewise.
4235 * target.h (Target::small_common_shndx): New function.
4236 (Target::small_common_section_flags): New function.
4237 (Target::large_common_shndx): New function.
4238 (Target::large_common_section_flags): New function.
4239 (Target::new_output_section): New function.
4240 (Target::Target_info): Add small_common_shndx, large_common_shndx,
4241 small_common_section_flags, and large_common_section_flags
4243 (Target::do_new_output_section): New virtual function.
4244 * arm.cc (Target_arm::arm_info): Initialize new fields.
4245 * i386.cc (Target_i386::i386_info): Likewise.
4246 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4248 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4249 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4250 (Target_x86_64::do_new_output_section): New function.
4251 * configure.ac: Define conditional MCMODEL_MEDIUM.
4252 * testsuite/Makefile.am (check_PROGRAMS): Add large.
4253 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4254 (large_LDFLAGS): Define.
4255 * testsuite/large.c: New file.
4256 * testsuite/testfile.cc (Target_test::test_target_info):
4257 Initialize new fields.
4258 * configure, testsuite/Makefile.in: Rebuild.
4260 2009-06-05 Doug Kwan <dougkwan@google.com>
4262 * Makefile.am (CCFILES): Add target.cc.
4263 * Makefile.in: Regenerate.
4264 * i386.cc (class Target_i386): Define new virtual method to
4265 override do_is_local_label_name in parent.
4266 * object.cc (Sized_relobj::do_count_local_symbols): Discard
4267 local symbols if --discard-locals or -X is given.
4268 * options.h (class General_options): Declare new options
4269 '--discard-locals' and '-X' for discarding locals.
4270 * target.h (class Target): Define new methods is_local_label_name.
4271 Declare new virtual method do_is_local_label_name.
4272 * target.cc: New file.
4273 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4274 (check_SCRIPTS): Add discard_locals_test.sh.
4275 (check_DATA): Add discard_local_tests.syms.
4276 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4277 (discard_local_tests.syms, discard_locals_test.o): New make rules.
4278 * testsuite/Makefile.in: Regenerate.
4279 * testsuite/discard_locals_test.c: New file.
4280 * testsuite/discard_locals_test.sh: Same.
4282 2009-06-05 Doug Kwan <dougkwan@google.com>
4284 * object.cc (Sized_relobj::Sized_relobj): Initialize
4285 discarded_eh_frame_shndx_ to -1U.
4286 (Sized_relobj::do_layout): Record index of a discard .eh_frame
4288 (Sized_relobj::do_count_local_symbols): Skip local symbols in
4289 a discarded .eh_frame section.
4290 (Sized_relobj::do_finalize_local_symbols): Ditto.
4291 * object.h (class Sized_relobj): Declare new member
4292 discarded_eh_frame_shndx_.
4293 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4294 (local_labels_test.o, local_labels_test): New rules.
4295 * testsuite/Makefile.in: Regenerate.
4297 2009-06-04 Doug Kwan <dougkwan@google.com>
4299 * layout.cc (Layout::section_name_mapping): Add mapping for
4300 special ARM sections.
4302 2009-06-03 Doug Kwan <dougkwan@google.com>
4304 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4305 (utils::has_overflow): Same.
4307 2009-06-03 Ian Lance Taylor <iant@google.com>
4309 * layout.cc (Layout::section_name_mapping): New array, replacing
4310 Layout::linkonce_mapping.
4311 (Layout::section_name_mapping_count): New variable, replacing
4312 Layout::linkonce_mapping_count.
4313 (Layout::linkonce_output_name): Remove.
4314 (Layout::output_section_name): Rewrite.
4315 * layout.h (class Layout): Rename Linkonce_mapping to
4316 Section_name_mapping, linkonce_mapping to section_name_mapping,
4317 linkonce_mapping_count to section_name_mapping_count. Don't
4318 declare linkonce_output_name.
4320 2009-06-03 Doug Kwan <dougkwan@google.com>
4322 * gold/arm.cc (namespace utils): New.
4323 (Target_arm::reloc_is_non_pic): Define new method.
4324 (class Arm_relocate_functions): New.
4325 (Target_arm::Relocate::relocate): Handle relocation types used by
4328 2009-06-03 Ian Lance Taylor <iant@google.com>
4330 * arm.cc (Target_arm::scan::global): Use || instead of |.
4332 2009-06-02 Doug Kwan <dougkwan@google.com>
4334 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
4335 issued_non_pic_error_.
4336 (class Target_arm::Scan): Declare new method check_non_pic.
4337 Define new method symbol_needs_plt_entry.
4338 Declare new data member issued_non_pic_error_.
4339 (class Target_arm::Relocate): Declare new method
4340 should_apply_static_reloc.
4341 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4342 (Target_arm::Scan::check_non_pic): Define new method.
4343 (Target_arm::Scan::local): Handle a small subset of reloc types used
4345 (Target_arm::Scan::local): Same.
4346 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4348 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
4350 * incremental.cc (Incremental_inputs::report_command_line): Filter
4351 out --incremental-* options.
4353 2009-05-29 Doug Kwan <dougkwan@google.com>
4355 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4357 (class Target_arm): Update comment.
4358 (Target_arm::Target_arm): Initialize new data members GOT_,
4359 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4360 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4361 and Target_arm::rel_dyn_section.
4362 Declare new_enum Target_arm::Got_type.
4363 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4365 Update commments for member do_dynsym_value.
4366 (Target_arm::got_size, Target_arm::plt_section,
4367 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4368 new methods inside class defintion.
4369 (Target_arm::got_section): Define new method.
4370 (Target_arm::rel_dyn_section): Same.
4371 (Output_data_plt_arm): New template class.
4372 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4373 (Output_data_plt_arm:do_adjust_output_section): Define new method.
4374 (Output_data_plt_arm::add_entry): Same.
4375 (Output_data_plt_arm::first_plt_entry): Define new
4376 static data member for PLT instruction template.
4377 (Output_data_plt_arm::plt_entry): Same.
4378 (Output_data_plt_arm::do_write): Define new method.
4379 (Target_arm::make_plt_entry): Same.
4380 (Target_arm::do_finalize_sections): Same.
4381 (Target_arm::do_dynsym_value): Same.
4383 2009-05-28 Doug Kwan <dougkwan@google.com>
4385 * Makefile.am (TARGETSOURCES): Add arm.cc.
4386 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4387 * Makefile.in: Regenerate.
4389 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4391 2009-05-26 Doug Kwan <dougkwan@google.com>
4393 * options.cc (General_options::parse_exclude_libs). Fix a comment.
4394 (General_options::check_excluded_libs): Strip off directories in
4395 archive name before matching like GNU ld does.
4396 * testsuite/Makefile.am (MOSTLYCLEANFILES,
4397 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4398 (exclude_libs_test_LDFLAGS): Add linker option
4399 -Wl,--exclude-libs,libexclude_libs_test_3
4400 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4401 an explicit archive without using -l.
4402 (alt/libexclude_libs_test_3.a): New make rule.
4403 * testsuite/Makefile.in: Regenerate.
4404 * testsuite/exclude_libs_test.c : Declare lib3_default().
4406 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4407 * exclude_libs_test_3.c: New file.
4409 2009-05-26 Nick Clifton <nickc@redhat.com>
4411 * po/id.po: New Indonesian translation.
4412 * po/gold.pot: Updated template file.
4414 2009-05-22 Sriraman Tallam <tmsriram@google.com>
4416 * testsuite/Makefile.am: Add -ffunction-sections to compile
4417 gc_comdat_test files. Add -Wl,--gc-sections to build
4419 * testsuite/Makefile.in: Regenerate.
4420 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4422 2009-05-21 Sriraman Tallam <tmsriram@google.com>
4424 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4425 kept comdat section was garbage collected.
4426 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4427 * testsuite/Makefile.in: Regenerate.
4428 * testsuite/gc_comdat_test.sh: New file.
4429 * testsuite/gc_comdat_test_1.cc: New file.
4430 * testsuite/gc_comdat_test_2.cc: New file.
4432 2009-05-19 Doug Kwan <dougkwan@google.com>
4434 * archive.cc (Archive::Archive): Move constructor from archive.h
4435 to here. Initialize no_export_.
4436 (Archive::get_elf_object_for_member): Set no_export flag of object.
4437 * archive.h (Archive::Archive): Move constructor body to
4439 (Archive::no_export): New method.
4440 (Archive::no_export_): New field.
4441 * object.h (Object::Object): Initialize no_export_ to false.
4442 (Object::no_export, Object::set_no_export): New methods.
4443 (Object::no_export_): New field.
4444 * options.cc (General_options::parse_exclude_libs): New method.
4445 (General_options::check_excluded_libs) Same.
4446 * options.h (exclude_libs): New option.
4447 (General_options::check_excluded_libs): New method declaration.
4448 (General_options::excluded_libs_): New field.
4449 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4450 default or protected visibility if an object has no-export flag set.
4451 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4452 (check_SCRIPTS): Add exclude_libs_test.sh.
4453 (check_DATA): Add exclude_libs_test.syms.
4454 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4455 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4456 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4457 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4458 (exclude_libs_test.syms, libexclude_libs_test_1.a,
4459 libexclude_libs_test_2.a): New rules.
4460 * testsuite/Makefile.in: Regenerate.
4461 * testsuite/exclude_libs_test.c: New file.
4462 * testsuite/exclude_libs_test.sh: Ditto.
4463 * testsuite/exclude_libs_test_1.c: Ditto.
4464 * testsuite/exclude_libs_test_2.c: Ditto.
4466 2009-05-15 Ian Lance Taylor <iant@google.com>
4468 * configure.ac: Check for declarations for cases where libiberty.h
4469 checks HAVE_DECL_xxx.
4470 * configure, config.in: Rebuild.
4472 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
4474 * gold.h (Incremental_argument_list): Remove (invalid) forward
4476 * incremental.cc (Incremental_inputs::report_achive): New method.
4477 (Incremental_inputs::report_object): New method.
4478 (Incremental_inputs::report_script): New method.
4479 (Incremental_inputs::finalize_inputs): New method.
4480 (Incremental_inputs::finalize): Call finalize_inputs().
4481 (Incremental_inputs::sized_create_incremental_inputs_section_data):
4482 Create inputs entries.
4483 * incremental.h (Incremental_input_type): New enum.
4484 (Incremental_inputs::Incremental_input): Initialize new fields.
4485 (Incremental_inputs::report_inputs): New method.
4486 (Incremental_inputs::report_achive): New method.
4487 (Incremental_inputs::report_object): New method.
4488 (Incremental_inputs::report_script): New method.
4489 (Incremental_inputs::finalize_inputs): New method.
4490 (Incremental_inputs::Input_info): New struct.
4491 (Incremental_inputs::Input_info_map): New typedef.
4492 (Incremental_inputs::lock_): New field.
4493 (Incremental_inputs::Inputs_): New field.
4494 (Incremental_inputs::Inputs_map): New field.
4495 * main.cc (main): Call Incremental_input::report_inputs.
4496 * options.h (Input_argument_list): Typedef moved from
4498 (Input_file_group::Files): Remove, use ::Input_argument_list.
4499 (Input_file_group::Input_argument_list): Remove, use
4500 ::Input_argument_list.
4501 * plugin.cc (Plugin_manager::add_input_file): Add error in
4503 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4505 * script.cc (read_input_script): Call
4506 Incremental_input::report_script.
4507 * script.h (Script_info): New class.
4509 2009-04-27 Ian Lance Taylor <iant@google.com>
4511 * x86_64.cc (do_adjust_output_section): Set entsize to
4514 2009-04-23 Elliott Hughes <enh@google.com>
4516 * output.cc (Output_file::close): After short writes, continue
4517 writing from the correct offset in the buffer being written.
4519 2009-04-23 Chris Demetriou <cgd@google.com>
4521 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4522 * configure: Regenerate.
4523 * config.in: Regenerate.
4524 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4525 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4527 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
4529 * incremental.cc (Incremental_inputs_header_data): Renamed from
4530 Incremental_input_header_data.
4531 (Incremental_inputs_header_data::data_size): New field.
4532 (Incremental_inputs_header_data::put_input_file_count): Renamed
4533 from input_file_count.
4534 (Incremental_inputs_header_data::put_command_line_offset): Renamed
4535 from command_line_offset.
4536 (Incremental_inputs_header_data::put_reserved): Renamed from
4538 (Incremental_inputs_entry_data): Renamed from
4539 Incremental_input_entry_data.
4540 (Incremental_inputs_entry_data::data_size): New field.
4541 (Incremental_inputs::report_command_line): New method.
4542 (Incremental_inputs::finalize): New method.
4543 (Incremental_inputs::create_incremental_inputs_data): New method.
4544 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4545 * incremental.h: New file.
4546 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4547 (Layout::finalize): Create incremental inputs section in
4549 (Layout::create_incremental_info_sections): New method.
4550 * layout.h (Layout::incremental_inputs): New method.
4551 (Layout::create_incremental_info_sections): New method.
4552 (Layout::incremental_inputs_): New field.
4553 * main.cc (main): Notify Incremental_input of the command line.
4555 2009-04-01 Ian Lance Taylor <iant@google.com>
4556 Mikolaj Zalewski <mikolajz@google.com>
4558 * gold.h (reserve_unordered_map): Define, three versions, one for
4559 each version of Unordered_map.
4560 * layout.cc (Layout::Layout): Remove options parameter. Add
4561 number_of_input_files parameter. Don't initialize options_.
4562 Initialize number_of_input_files_ and resized_signatures_. Move
4563 sections_are_attached_.
4564 (Layout::layout_group): Reserve space for group_signatures_.
4565 (Layout::find_or_add_kept_section): Change name parameter to be a
4566 reference. Resize signatures_ map when it gets large enough.
4567 (Layout::layout_eh_frame): Use parameters->options() instead of
4569 (Layout::make_output_section): Likewise.
4570 (Layout::attach_allocated_section_to_segment): Likewise.
4571 (Layout::finalize, Layout::create_executable_stack): Likewise.
4572 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4573 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4574 * layout.h (class Layout): Update declarations. Remove options_
4575 field. Add number_of_input_files_ and resized_signatures_
4576 fields. Move sections_are_attached_ field.
4577 * main.cc (main): Pass number of input files to Layout
4578 constructor. Don't pass options.
4580 2009-03-30 Ian Lance Taylor <iant@google.com>
4582 * ffsll.c (ffsll): Correct implementation.
4584 2009-03-27 Ian Lance Taylor <iant@google.com>
4586 * ffsll.c: New file.
4587 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4588 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4589 * ftruncate.c (ftruncate): Declare before definition.
4590 * mremap.c (mremap): Likewise.
4591 * pread.c (pread): Likewise.
4592 * configure, Makefile.in, config.in: Rebuild.
4594 * mremap.c: New file.
4595 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4596 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4597 (mremap): Declare if HAVE_MREMAP is not defined.
4598 * configure, Makefile.in, config.in: Rebuild.
4600 2009-03-27 Cary Coutant <ccoutant@google.com>
4602 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4603 position independent.
4604 * sparc.cc (Target_sparc::check_non_pic): Likewise.
4605 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4607 2009-03-24 Cary Coutant <ccoutant@google.com>
4609 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4611 (needs_dynamic_reloc): Likewise.
4613 2009-03-24 Ian Lance Taylor <iant@google.com>
4615 * yyscript.y (file_cmd): Recognize EXTERN.
4616 (extern_name_list, extern_name_list_body): New nonterminals.
4617 * script.cc (script_add_extern): Define.
4618 * script-c.h (script_add_extern): Declare.
4620 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
4622 * object.cc (is_elf_object): Define.
4623 * object.h (is_elf_object): Declare.
4624 * archive.cc (Archive::get_elf_object_for_member): Call
4626 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4628 2009-03-24 Elliott Hughes <enh@google.com>
4630 * output.cc (Output_file::map_anonymous): Define.
4631 (Output_file::map): Use map_anonymous. If the regular mmap fails,
4632 try an anonymous one. Report the size if the mmap fails.
4633 * output.h (class Output_file): Declare map_anonymous.
4635 2009-03-24 Ian Lance Taylor <iant@google.com>
4637 * target-select.cc (instantiate_target): Don't acquire the lock if
4638 the instantiated_target_ field has already been set.
4640 2009-03-23 Ian Lance Taylor <iant@google.com>
4642 * gold-threads.h (class Initialize_lock): Define.
4643 * gold-threads.cc (class Initialize_lock_once): Define.
4644 (initialize_lock_control): New static variable.
4645 (initialize_lock_pointer): New static variable.
4646 (initialize_lock_once): New static function.
4647 (Initialize_lock::Initialize_lock): Define.
4648 (Initialize_lock::initialize): Define.
4649 * target-select.h: Include "gold-threads.h".
4650 (class Target_selector): Add lock_ and initialize_lock_ fields.
4651 Don't define instantiate_target, just declare it.
4652 * target-select.cc (Target_selector::Target_selector): Initialize
4654 (Target_selector::instantiate_target): Define.
4655 * descriptors.h: Include "gold-threads.h".
4656 (class Descriptors): Add initialize_lock_ field.
4657 * descriptors.cc (Descriptors::Descriptors): Initialize new
4659 (Descriptors::open): Use initialize_lock_ field
4660 * errors.h (class Errors): Add initialize_lock_ field.
4661 * errors.cc (Errors::Errors): Initialize new field.
4662 (Errors::initialize_lock): Use initialize_lock_ field.
4663 * powerpc.cc (class Target_selector_powerpc): Remove
4664 instantiated_target_ field. In do_recognize call
4665 instantiate_target rather than do_instantiate_target. In
4666 do_instantiate_target just allocate a new target.
4667 * sparc.cc (class Target_selector_sparc): Likewise.
4669 * freebsd.h: New file.
4670 * i386.cc: Include "freebsd.h".
4671 (Target_i386): Derive from Target_freebsd rather than
4673 (Target_selector_i386): Derive from Target_selector_freebsd rather
4674 than Target_selector.
4675 * x86_64.cc: Include "freebsd.h".
4676 (Target_x86_64): Derive from Target_freebsd rather than
4678 (Target_selector_x86_64): Derive from Target_selector_freebsd
4679 rather than Target_selector.
4680 * target.h (class Target): Add adjust_elf_header and
4681 do_adjust_elf_header.
4682 * output.cc (Output_file_header:: do_sized_write): Call target
4683 adjust_elf_header routine.
4684 * configure.tgt: Set targ_osabi.
4685 * configure.ac: Define GOLD_DEFAULT_OSABI.
4686 * parameters.cc (Parameters::default_target): Pass
4687 GOLD_DEFAULT_OSABI to select_target.
4688 * target-select.h (class Target_selector): Make instantiate_target
4689 protected rather than private.
4690 * Makefile.am (HFILES): Add freebsd.h.
4691 * configure, Makefile.in, config.in: Rebuild.
4693 * merge.cc (do_add_input_section): Correct pend value. Change
4694 message about last entry not being null terminated from error to
4697 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
4699 * incremental.cc: New file.
4700 * Makefile.am (CCFILES): Add incremental.cc.
4701 * Makefile.in: Rebuild.
4703 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
4705 * layout.cc (Layout::output_section_name): Preserve names
4706 of '.note.' sections.
4708 2009-03-19 Ian Lance Taylor <iant@google.com>
4710 * descriptors.cc (Descriptors::open): Check that the options are
4711 valid before using them.
4713 2009-03-18 Ian Lance Taylor <iant@google.com>
4715 * script-sections.h: Include <list>.
4716 (class Script_sections): Change Sections_elements from std::vector
4717 to std::list. Typedef public Elements_iterator. Add
4718 orphan_section_placement_, data_segment_align_start_, and
4719 saw_data_segment_align_ fields. Remove data_segment_align_index_
4721 * script-sections.cc (class Orphan_section_placement): New class.
4722 (class Sections_element): Add virtual functions is_relro and
4723 orphan_section_init. Remove virtual function place_orphan_here.
4724 (class Output_section_definition): Add is_relro and
4725 orphan_section_init. Remove place_orphan_here.
4726 (class Orphan_output_section): Likewise.
4727 (Script_sections::Script_sections): Update for field changes.
4728 (Script_sections::data_segment_align): Set saw_data_segment_align_
4729 and data_segment_align_start_, not data_segment_align_index.
4730 (Script_sections::data_segment_relro_end): Check
4731 saw_data_segment_align_. Use data_segment_align_start_ rather
4732 than data_segment_align_index_.
4733 (Script_sections::place_orphan): Rewrite to use
4734 Orphan_section_placement.
4736 2009-03-17 Ian Lance Taylor <iant@google.com>
4738 * archive.cc (Archive::add_symbols): Check for a version attached
4739 to the symbol name in the archive map.
4740 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4741 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4742 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4743 (ver_test_11.a): New target.
4744 * testsuite/Makefile.in: Rebuild.
4746 * configure.ac: Check for chsize and posix_fallocate. Replace
4748 * ftruncate.c: New file, from gnulib.
4749 * output.cc (posix_fallocate): Define dummy version if not
4750 HAVE_POSIX_FALLOCATE.
4751 (Output_file::map): Call posix_fallocate rather than lseek and
4753 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4754 * configure, Makefile.in, config.in: Rebuild.
4756 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
4758 * layout.h (Layout::create_note): Add section_name parameter.
4759 * layout.cc (Layout::create_note): Likewise.
4760 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4762 2009-03-17 Ian Lance Taylor <iant@google.com>
4764 * descriptors.cc: Include "options.h".
4765 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4766 (Descriptors::open): Always use O_CLOEXEC when opening a new
4767 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
4768 then set FD_CLOEXEC.
4770 * sparc.cc (class Target_sparc): Add has_got_section.
4771 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4772 make sure we have a GOT section.
4774 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4775 (Target_sparc::Scan::local): Likewise.
4776 (Target_sparc::Scan::global): Likewise.
4777 (Target_sparc::Relocate::relocate): Likewise.
4778 (Target_sparc::Relocate::relocate_tls): Likewise.
4780 * symtab.cc (Symbol_table::define_default_version): New function,
4781 broken out of add_from_object.
4782 (Symbol_table::add_from_object): Call define_default_version.
4783 (Symbol_table::define_special_symbol): Add resolve_oldsym
4784 parameter. Change all callers. If the version for a symbol comes
4785 from a version script, resolve it with the symbol with the same
4786 name with no version. Also add the symbol without a version if
4788 (do_define_in_output_data): If resolving with oldsym, don't delete
4790 (do_define_in_output_segment): Likewise.
4791 (do_define_as_constant): Likewise.
4792 * symtab.h (class Symbol_table): Update declarations.
4794 2009-03-13 Ian Lance Taylor <iant@google.com>
4796 * readsyms.cc (Read_symbols::incompatible_warning): New function.
4797 (Read_symbols::requeue): New function.
4798 (Read_symbols::do_read_symbols): If make_elf_object fails because
4799 the target type is not configured, and the file was searched for,
4800 issue a warning and retry with the next directory.
4801 (Add_symbols::run): If the file has an incompatible format, and
4802 it was searched for, requeue the Read_symbols task. On error,
4804 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
4805 dirindex parameter to constructor. Change all callers. Declare
4806 incompatible_warning and requeue.
4807 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4808 input_argument_ and input_group_ fields. Add them to
4809 constructor. Change all callers.
4810 (class Read_script): Add dirindex_ field. Add it to constructor.
4812 * archive.cc (Archive::setup): Remove input_objects parameter.
4814 (Archive::get_file_and_offset): Likewise.
4815 (Archive::read_all_symbols): Likewise.
4816 (Archive::read_symbols): Likewise.
4817 (Archive::get_elf_object_for_member): Remove input_objects
4818 parameter. Add punconfigured parameter. Change all callers.
4819 (Archive::add_symbols): Change return type to bool. Check return
4820 value of include_member.
4821 (Archive::include_all_members): Likewise.
4822 (Archive::include_member): Change return type to bool. Return
4823 false if first included object has incompatible target. Set
4824 included_member_ field.
4825 (Add_archive_symbols::run): If add_symbols returns false, requeue
4827 * archive.h (class Archive): Add included_member_ field.
4828 Initialize it in constructor. Add input_file and searched_for
4829 methods. Update declarations.
4830 (class Add_archive_symbols): Add dirpath_, dirindex_, and
4831 input_argument_ fields. Add them to constructor. Change all
4833 * script.cc: Include "target-select.h".
4834 (class Parser_closure): Add skip_on_incompatible_target_ and
4835 found_incompatible_target_ fields. Add
4836 skip_on_incompatible_target parameter to constructor. Change all
4837 callers. Add methods skip_on_incompatible_target,
4838 clear_skip_on_incompatible_target, found_incompatible_target, and
4839 set_found_incompatible_target.
4840 (read_input_script): Add dirindex parameter. Change all callers.
4841 If parser finds an incompatible target, requeue Read_symbols
4843 (script_set_symbol): Clear skip_on_incompatible_target in
4845 (script_add_assertion, script_parse_option): Likewise.
4846 (script_start_sections, script_add_phdr): Likewise.
4847 (script_check_output_format): New function.
4848 * script.h (read_input_script): Update declaration.
4849 * script-c.h (script_check_output_format): Declare.
4850 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4851 (ignore_cmd): Remove OUTPUT_FORMAT.
4852 * fileread.cc (Input_file::Input_file): Add explicit this.
4853 (Input_file::will_search_for): New function.
4854 (Input_file::open): Add pindex parameter. Change all callers.
4855 * fileread.h (class Input_file): Add input_file_argument method.
4856 Declare will_search_for. Update declarations.
4857 * object.cc (make_elf_object): Add punconfigured parameter.
4859 * object.h (class Object): Make input_file public. Add
4860 searched_for method.
4861 (make_elf_object): Update declaration.
4862 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
4864 * dirsearch.h (class Dirsearch): Update declaration.
4865 * options.h (class General_options): Add --warn-search-mismatch.
4866 * parameters.cc (Parameters::is_compatible_target): New function.
4867 * parameters.h (class Parameters): Declare is_compatible_target.
4868 * workqueue.cc (Workqueue::add_blocker): New function.
4869 * workqueue.h (class Workqueue): Declare add_blocker.
4871 * fileread.cc (Input_file::open): Remove options parameter.
4873 (Input_file::open_binary): Likewise.
4874 * script.cc (read_input_script): Likewise.
4875 * readsyms.h (class Read_symbols): Remove options_ field. Remove
4876 options parameter from constructor. Change all callers.
4877 (class Read_script): Likewise.
4878 * fileread.h (class Input_file): Update declarations.
4879 * script.h (read_input_script): Update declaration.
4881 2009-03-10 Nick Clifton <nickc@redhat.com>
4883 * po/es.po: New Spanish translation.
4885 2009-03-06 Cary Coutant <ccoutant@google.com>
4887 * options.cc (parse_short_option): Keep dash_z from registering itself.
4889 2009-03-03 Ian Lance Taylor <iant@google.com>
4892 * target-reloc.h (relocate_section): Pass output_section to
4894 * i386.cc (Target_i386::should_apply_static_reloc): Add
4895 output_section parameter. Change all callers.
4896 (Target_i386::Relocate::relocate): Add output_section parameter.
4897 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4898 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4899 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4900 * testsuite/two_file_shared.sh: New script.
4901 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4902 (check_DATA): Add two_file_shared.dbg.
4903 (two_file_shared.dbg): New target.
4904 * testsuite/Makefile.in: Rebuild.
4906 2009-03-01 Ian Lance Taylor <iant@google.com>
4908 * configure.ac: Check for byteswap.h.
4909 * configure: Rebuild.
4910 * config.in: Rebuild.
4912 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
4914 * layout.cc (Layout::find_or_add_kept_section): New function.
4915 (Layout::add_comdat): Removed.
4916 * layout.h (struct Kept_section): Move out of class Layout.
4917 Remove trailing underscores from field names. Add group_sections
4918 field. Rename group_ field to is_group. Change all uses.
4919 (class Layout): Declare find_or_add_kept_section, not add_comdat.
4920 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4921 comdat_groups_ field.
4922 (Sized_relobj::include_section_group): Use
4923 find_or_add_kept_section and Kept_section::group_sections.
4924 (Sized_relobj::include_linkonce_section): Likewise.
4925 * object.cc (class Sized_relobj): Don't define Comdat_group or
4926 Comdat_group_table. Remove find_comdat_group and
4927 add_comdat_group. Remove comdat_groups_ field.
4928 * plugin.cc (include_comdat_group): Use
4929 Layout::find_or_add_kept_section.
4931 2009-02-28 Ian Lance Taylor <iant@google.com>
4933 * README: --gc-sections and map files are now supported. Document
4934 some build requirements.
4937 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4938 relocatable link set the value of the section symbol to zero.
4939 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4940 relocatable link don't include the section address in the local
4943 2009-02-27 Ian Lance Taylor <iant@google.com>
4946 * options.h (class Search_directory): Add is_system_directory.
4947 (class General_options): Declare is_in_system_directory.
4948 * options.cc (get_relative_sysroot): Make static.
4949 (get_default_sysroot): Make static.
4950 (General_optoins::is_in_system_directory): New function.
4951 * fileread.cc (Input_file::is_in_system_directory): New function.
4952 * fileread.h (class Input_file): Declare is_in_system_directory.
4953 * object.h (class Object): Add is_in_system_directory.
4954 (class Input_objects): Remove system_library_directory_ field.
4955 * object.cc (Input_objects::add_object): Don't set
4956 system_library_directory_.
4957 (input_objects::found_in_system_library_directory): Remove.
4958 * symtab.cc (Symbol_table::write_globals): Remove input_objects
4959 parameter. Change all callers.
4960 (Symbol_table::sized_write_globals): Likewise.
4961 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
4962 Call Object::is_in_system_directory.
4963 * symtab.h (class Symbol_table): Update declarations.
4966 * descriptors.h (Open_descriptor): Add is_on_stack field.
4967 * descriptors.cc (Descriptors::open): If the descriptor is on the
4968 top of the stack, remove it. Initialize is_on_stack field.
4969 (Descriptors::release): Only add pod to stack if it is not on the
4971 (Descriptors::close_some_descriptor): Clear stack_next and
4975 * output.cc (Output_section::find_starting_output_address): Rename
4976 from starting_output_address; add PADDR parameter; change return
4978 * output.h (class Output_section): Declare
4979 find_starting_output_address instead of starting_output_address.
4980 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
4981 section symbol for which we can't find a merge section.
4984 * symtab.cc (Symbol_table::add_from_object): If the visibility is
4985 hidden or internal, force the symbol to be local.
4986 * resolve.cc (Symbol::override_visibility): Define.
4987 (Symbol::override_base): Use override_visibility.
4988 (Symbol_table::resolve): Likewise.
4989 (Symbol::override_base_with_special): Likewise.
4990 (Symbol_table::override_with_special): If the visibility is hidden
4991 or internal, force the symbol to be local.
4992 * symtab.h (class Symbol): Add set_visibility and
4993 override_visibility.
4994 * testsuite/ver_test_1.sh: New file.
4995 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
4996 (check_DATA): Add ver_test_1.syms.
4997 (ver_test_1.syms): New target.
4998 * testsuite/Makefile.in: Rebuild.
5000 2009-02-25 Cary Coutant <ccoutant@google.com>
5002 * layout.cc (Layout::choose_output_section): Don't rename sections
5003 when using a linker script that has a SECTIONS clause.
5004 * Makefile.in: Regenerate.
5006 * testsuite/Makefile.am (script_test_5.sh): New test case.
5007 * testsuite/Makefile.in: Regenerate.
5008 * testsuite/script_test_5.cc: New file.
5009 * testsuite/script_test_5.sh: New file.
5010 * testsuite/script_test_5.t: New file.
5012 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
5014 * archive.cc (Archive::include_member): Update calls to add_symbols.
5015 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5016 the Layout argument.
5017 * dynobj.h (do_add_symbols): Add the Layout argument.
5018 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5020 * object.h (Object::add_symbols): Add the Layout argument.
5021 (Object::do_add_symbols): Add the Layout argument.
5022 (Sized_relobj::do_add_symbols): Add the Layout argument.
5023 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5024 Unify the two versions.
5025 (Add_plugin_symbols): Remove.
5026 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5027 (Sized_pluginobj::do_add_symbols): Unify the two versions.
5028 (Add_plugin_symbols): Remove.
5029 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5030 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5031 (Add_symbols::run): Make it work with Pulginobj.
5033 2009-02-06 Ian Lance Taylor <iant@google.com>
5035 * object.cc (Sized_relobj::do_layout): Make info message start
5036 with lower case letter.
5038 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
5040 * binary.cc: Fix file comment.
5042 * options.h (enum Incremental_disposition): Define.
5043 (class General_options): Add new options: --incremental,
5044 --incremental_changed, --incremental_unchanged,
5045 --incremental_unknown. Add incremental_disposition_ and
5046 implicit_incremental_ fields.
5047 (General_options::incremental_disposition): New function.
5048 (class Position_dependent_options): Add incremental_disposition
5050 (Position_dependent_options::copy_from_options): Set incremental
5052 * options.cc (General_options::parse_incremental_changed): New
5054 (General_options::parse_incremental_unchanged): New function.
5055 (General_options::parse_incremental_unknown): New function.
5056 (General_options::General_options): Initialize new fields
5057 incremental_disposition_ and implicit_incremental_.
5058 (General_options::finalize): Check for uasge of --incremental-*
5059 without --incremental.
5061 2009-02-06 Chris Demetriou <cgd@google.com>
5063 * gold.h (gold_undefined_symbol): Change to take only a Symbol
5064 pointer and to report location as the file name associated with
5066 (gold_undefined_symbol_at_location): New function to replace the
5067 old gold_undefined_symbol functionality.
5068 * target-reloc.h (relocate_section): Update to use
5069 gold_undefined_symbol_at_location.
5070 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5071 Call gold_undefined_symbol function rather than gold_error.
5072 * errors.h (Errors::undefined_symbol): Take location as a
5073 string, rather than calculating it from a relocation.
5074 * errors.cc (Errors::fatal): Print "fatal error:" before the
5076 (Errors::error, Errors::error_at_location): Print "error: "
5077 before the formatted message.
5078 (Errors::undefined_symbol): Take location as a string, rather
5079 than calculating it from a relocation.
5080 (gold_undefined_symbol_at_location): New function akin to
5081 old gold_undefined_symbol, calculates location from relocation.
5082 (gold_undefined_symbol): Change to take only a Symbol pointer
5083 and to report location as the file name associated with the symbol.
5084 * testsuite/debug_msg.sh: Update for changed error messages.
5085 * testsuite/undef_symbol.sh: Likewise.
5087 2009-02-04 Duncan Sands <baldrick@free.fr>
5090 * reduced_debug_output.h
5091 (Output_reduced_debug_abbrev_section::failed): Use format for
5093 (Output_reduced_debug_info_section::faild): Likewise.
5095 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
5097 * script.cc (Lazy_demangler): New class.
5098 (Version_script_info::get_symbol_version_helper): Demangle a
5101 2009-01-29 Cary Coutant <ccoutant@google.com>
5103 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5105 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5107 2009-01-28 Ian Lance Taylor <iant@google.com>
5109 * version.cc (version_string): Bump to 1.9.
5111 * gold.h: Include <cstring> and <stdint.h>.
5112 * version.cc: Include <cstdio>.
5113 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5115 * reduced_debug_output.cc (insert_into_vector): Rename from
5116 Insert_into_vector; change all callers. Use Swap_unaligned to
5117 avoid aliasing issue; remove union since it is unnecessary.
5119 2009-01-27 Sriraman Tallam <tmsriram@google.com>
5121 * Makefile.am (CCFILES): Add gc.cc.
5123 * Makefile.in: Regenerate.
5124 * gold.cc (Gc_runner): New class.
5125 (queue_initial_tasks): Call garbage collection related tasks
5126 when corresponding options are invoked.
5127 (queue_middle_gc_tasks): New function.
5128 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5129 processed early before laying out sections during garbage collection.
5130 * gold.h (queue_middle_gc_tasks): New function.
5131 (is_prefix_of): Move from "layout.cc".
5132 * i386.cc (Target_i386::gc_process_relocs): New function.
5133 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5134 * main.cc (main): Create object of class "Garbage_collection".
5135 * object.cc (Relobj::copy_symbols_data): New function.
5136 (Relobj::is_section_name_included): New function.
5137 (Sized_relobj::do_layout): Allow this function to be called twice
5138 during garbage collection and defer layout of section during the
5140 * object.h (Relobj::get_symbols_data): New function.
5141 (Relobj::is_section_name_included): New function.
5142 (Relobj::copy_symbols_data): New function.
5143 (Relobj::set_symbols_data): New function.
5144 (Relobj::get_relocs_data): New function.
5145 (Relobj::set_relocs_data): New function.
5146 (Relobj::is_output_section_offset_invalid): New pure virtual function.
5147 (Relobj::gc_process_relocs): New function.
5148 (Relobj::do_gc_process_relocs): New pure virtual function.
5149 (Relobj::sd_): New data member.
5150 (Sized_relobj::is_output_section_offset_invalid): New function.
5151 (Sized_relobj::do_gc_process_relocs): New function.
5152 * options.h (General_options::gc_sections): Modify to not be a no-op.
5153 (General_options::print_gc_sections): New option.
5154 * plugin.cc (Plugin_finish::run): Remove function call to
5155 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
5156 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5157 * reloc.cc (Read_relocs::run): Add task to process relocs and
5158 determine unreferenced sections when doing garbage collection.
5159 (Gc_process_relocs): New class.
5160 (Sized_relobj::do_gc_process_relocs): New function.
5161 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5162 sections that are garbage collected.
5163 * reloc.h (Gc_process_relocs): New class.
5164 * sparc.cc (Target_sparc::gc_process_relocs): New function.
5165 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5166 symbols whose corresponding sections are garbage collected.
5167 (Symbol_table::Symbol_table): Add new parameter for the garbage
5169 (Symbol_table::gc_mark_undef_symbols): New function.
5170 (Symbol_table::gc_mark_symbol_for_shlib): New function.
5171 (Symbol_table::gc_mark_dyn_syms): New function.
5172 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5174 (Symbol_table::add_from_object): Likewise.
5175 (Symbol_table::add_from_relobj): When building shared objects, do not
5176 treat externally visible symbols as garbage.
5177 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5178 table information for static and relocatable links.
5179 * symtab.h (Symbol_table::set_gc): New function.
5180 (Symbol_table::gc): New function.
5181 (Symbol_table::gc_mark_undef_symbols): New function.
5182 (Symbol_table::gc_mark_symbol_for_shlib): New function.
5183 (Symbol_table::gc_mark_dyn_syms): New function.
5184 (Symbol_table::gc_): New data member.
5185 * target.h (Sized_target::gc_process_relocs): New pure virtual
5187 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5188 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5190 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
5192 * options.h (General_options::gc_sections): Define as a no-op for now.
5193 (General_options::no_keep_memory): Ditto.
5194 (General_options::Bshareable): Define.
5195 * options.cc (General_options::finalize): Honor -Bshareable.
5197 2009-01-20 Andreas Schwab <schwab@suse.de>
5199 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5200 read the value in the contents, since we don't use it. Use the
5201 template endianness when writing.
5202 (Relocate::relocate): Use it for R_PPC_REL16_HA.
5204 2009-01-19 Andreas Schwab <schwab@suse.de>
5206 * configure.tgt (powerpc64-*): Fix targ_obj.
5208 2009-01-15 Ian Lance Taylor <iant@google.com>
5210 * object.cc (Sized_relobj::write_local_symbols): Don't write out
5211 local symbols when stripping all symbols.
5213 2009-01-14 Cary Coutant <ccoutant@google.com>
5215 * output.cc (Output_reloc): Add explicit instantiations.
5217 2009-01-14 Cary Coutant <ccoutant@google.com>
5219 * archive.cc (Archive::get_elf_object_for_member): Remove call
5220 to File_read::claim_for_plugin.
5221 * descriptors.cc (Descriptors::open): Remove reference to
5223 (Descriptors::claim_for_plugin): Remove.
5224 * descriptors.h (Descriptors::claim_for_plugin): Remove.
5225 (Descriptors::is_claimed): Remove.
5226 (claim_descriptor_for_plugin): Remove.
5227 * fileread.cc (File_read::claim_for_plugin): Remove.
5228 * fileread.h (File_read::claim_for_plugin): Remove.
5229 (File_read::descriptor): Reopen descriptor if necessary.
5230 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
5231 (Plugin_manager::all_symbols_read): Add task parameter. Change
5233 (Plugin_manager::get_input_file): New function.
5234 (Plugin_manager::release_input_file): New function.
5235 (Pluginobj::Pluginobj): Add filesize parameter and initialize
5236 corresponding data member.
5237 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5238 and pass to base constructor. Change all callers.
5239 (get_input_file, release_input_file): New functions.
5240 (make_sized_plugin_object): Add filesize parameter. Change all callers.
5241 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5242 (Plugin_manager::all_symbols_read): Add task parameter.
5243 (Plugin_manager::get_input_file): New function.
5244 (Plugin_manager::release_input_file): New function.
5245 (Plugin_manager::task_): New data member.
5246 (Pluginobj::Pluginobj): Add filesize parameter.
5247 (Pluginobj::filename): New function.
5248 (Pluginobj::descriptor): New function.
5249 (Pluginobj::filesize): New function.
5250 (Pluginobj::filesize_): New data member.
5251 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5252 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5253 File_read::claim_for_plugin; use Object::unlock to unlock the file.
5255 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5256 with archive libraries.
5257 * testsuite/Makefile.in: Regenerate.
5258 * testsuite/plugin_test.c (struct sym_info): New type.
5259 (get_input_file, release_input_file): New static variables.
5260 (onload): Capture new transfer vector entries.
5261 (claim_file_hook): Stop reading at end of file according to filesize.
5262 Factor out parsing of readelf output into separate function.
5263 (all_symbols_read_hook): Exercise get_input_file and release_input_file
5264 APIs and get the source file name from the symbol table. Convert
5265 source file name to corresponding object file name. Print info
5266 message when adding new input files.
5267 (parse_readelf_line): New function.
5268 * testsuite/plugin_test_1.sh: Add checks for new info messages.
5269 * testsuite/plugin_test_2.sh: Likewise.
5270 * testsuite/plugin_test_3.sh: Likewise.
5271 * testsuite/plugin_test_4.sh: New test case.
5273 2009-01-07 Ian Lance Taylor <iant@google.com>
5275 * version.cc (version_string): Bump to 1.8.
5277 2008-12-23 Cary Coutant <ccoutant@google.com>
5279 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5280 * plugin.cc (Plugin_manager::finish): Rename as
5281 layout_deferred_objects. Move cleanup to separate function.
5282 (Plugin_manager::cleanup): New function.
5283 (Plugin_finish::run): Call layout_deferred_objects and cleanup
5285 * plugin.h (Plugin_manager::finish): Rename as
5286 layout_deferred_objects.
5287 (Plugin_manager::cleanup): New function.
5288 (Plugin_manager::cleanup_done): New field.
5290 2008-12-23 Cary Coutant <ccoutant@google.com>
5292 * plugin.cc (is_visible_from_outside): New function.
5293 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5294 so we don't return "IR only" status for exported symbols or -r links.
5296 * testsuite/Makefile.am (plugin_test_3): New test case.
5297 * testsuite/Makefile.in: Regenerate.
5298 * testsuite/plugin_test_3.sh: New file.
5300 2008-12-22 Cary Coutant <ccoutant@google.com>
5302 * object.cc (Sized_relobj::layout_section): New function.
5303 (Sized_relobj::do_layout): Defer layout of input sections until after
5304 plugin has provided replacement files.
5305 (Sized_relobj::do_layout_deferred_sections): New function.
5306 * object.h (Relobj::set_section_offset): Remove virtual keyword.
5307 (Relobj::layout_deferred_sections): New function.
5308 (Relobj::do_layout_deferred_sections): New function.
5309 (Sized_relobj::do_layout_deferred_sections): New function.
5310 (Sized_relobj::layout_section): New function.
5311 (Sized_relobj::Deferred_layout): New structure.
5312 (Sized_relobj::deferred_layout_): New field.
5313 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5314 Change all callers. Layout deferred sections.
5315 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
5317 (Plugin_hook::run): Move code from do_plugin_hook inline.
5318 (Plugin_hook::do_plugin_hook): Remove.
5319 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5320 (Plugin_manager::finish): Renamed, was cleanup.
5321 (Plugin_manager::should_defer_layout): New function.
5322 (Plugin_manager::add_deferred_layout_object): New function.
5323 (Plugin_manager::Deferred_layout_list): New type.
5324 (Plugin_manager::deferred_layout_objects_): New field.
5325 (Plugin_hook::do_plugin_hook): Remove.
5327 2008-12-17 Ian Lance Taylor <iant@google.com>
5329 * options.h (class General_options): Add --no case for
5332 2008-12-16 Cary Coutant <ccoutant@google.com>
5334 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5336 (Plugin_manager::claim_file): Create plugin object even if
5337 plugin did not call the add_symbols callback.
5338 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5339 asking for more symbols than were added.
5340 * testsuite/Makefile.am (plugin_test_1): Add test case with
5342 (empty.syms): New target.
5343 * testsuite/Makefile.in: Regenerate.
5344 * testsuite/plugin_test.c (claim_file_hook): Add new debug
5345 message. Don't call add_symbols if no globals.
5346 (all_symbols_read_hook): Don't provide replacement for empty
5349 2008-12-12 Ian Lance Taylor <iant@google.com>
5351 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5352 r_type == 0 for a local symbol with r_sym == 0.
5353 (scan_relocatable_relocs): Pass r_sym to
5354 local_non_section_strategy.
5355 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5358 * configure.ac: Update test for TLS descriptors: they are
5359 supported as of glibc 2.9.
5360 * configure: Rebuild.
5362 2008-12-11 Ian Lance Taylor <iant@google.com>
5365 * target-reloc.h (Default_scan_relocatable_relocs): For each
5366 function, map r_type == 0 to RELOC_DISCARD.
5368 2008-12-10 Cary Coutant <ccoutant@google.com>
5370 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5371 object to override a kept COMDAT group from a plugin object.
5373 2008-12-09 Ian Lance Taylor <iant@google.com>
5376 * yyscript.y (file_cmd): Handle INPUT.
5378 * testsuite/initpri1.c: Change all declarations to be full
5379 prototypes by adding void, to avoid compiler warnings.
5381 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
5383 * options.cc (General_options::parse_plugin_opt): New.
5384 (General_options::add_plugin): The argument now is just the filename.
5385 (General_options::add_plugin_option): New.
5386 * options.h (plugin_opt): New.
5387 (add_plugin): Change argument name.
5388 (add_plugin_option): New.
5389 * plugin.cc (Plugin::load): Don't parse the plugin option.
5390 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5391 (Plugin::add_option): New.
5392 (Plugin::args_): Change type.
5393 (Plugin::filename_): New.
5394 (Plugin_manager::add_plugin_option): New.
5395 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5396 * testsuite/Makefile.in: Regenerate.
5398 2008-12-05 Cary Coutant <ccoutant@google.com>
5400 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5401 Handle --strip-lto-sections option.
5402 * options.h (strip_lto_sections): New option.
5404 2008-12-01 Cary Coutant <ccoutant@google.com>
5406 * plugin.cc (ld_plugin_message): Change format parameter to const.
5407 Fix mismatch between new[] and delete.
5409 2008-11-14 Cary Coutant <ccoutant@google.com>
5411 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5414 2008-11-05 Craig Silverstein <csilvers@google.com>
5416 * options.cc (General_options::parse_dynamic_list): New function.
5417 * options.h (General_options): New flags dynamic_list,
5418 dynamic_list_data, dynamic_list_cpp_new, and
5419 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
5420 (General_options::in_dynamic_list): New function.
5421 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5422 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5423 (Lex::can_continue_name): Likewise.
5425 (read_script_file): New parameter script_options.
5426 (read_dynamic_list): New function.
5427 (Script_options::define_dynamic_list): New function.
5428 (dynamic_list_keyword_parsecodes): New variable.
5429 (dynamic_list_keywords): New variable.
5430 * script.h (Script_options::define_dynamic_list): New function
5432 (read_dynamic_list): New function prototype.
5433 * symtab.cc (strprefix): New macro.
5434 (Symbol::should_add_dynsym_entry): Support dynamic_list,
5435 dynamic_list_data, dynamic_list_cpp_new, and
5436 dynamic_list_cpp_typeinfo.
5437 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5438 (dynamic_list_expr): New rule.
5439 (dynamic_list_nodes): Likewise.
5440 (dynamic_list_node): Likewise.
5441 * testsuite/Makefile.am (dynamic_list): New test.
5442 * testsuite/Makefile.in: Regenerated.
5443 * testsuite/dynamic_list.t: New file.
5444 * testsuite/dynamic_list.sh: New file.
5446 2008-11-05 Craig Silverstein <csilvers@google.com>
5448 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5449 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5450 (t11_last): Likewise.
5451 * testsuite/ver_test_6.c (main): Likewise.
5453 2008-10-07 Cary Coutant <ccoutant@google.com>
5455 * options.c (General_options::finalize): Add check for -static and
5457 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5460 2008-10-02 Cary Coutant <ccoutant@google.com>
5462 * plugin.cc (make_sized_plugin_object): Fix conditional
5463 compilation to work when not all targets are enabled.
5465 2008-09-29 Cary Coutant <ccoutant@google.com>
5467 * archive.cc (Archive::get_file_and_offset): Use filename instead
5468 of name to get library path.
5469 (Archive::include_member): Unlock external member of a thin archive.
5471 * testsuite/Makefile.am (TEST_AR): New variable.
5472 (thin_archive_test_1): New test.
5473 (thin_archive_test_2): New test.
5474 * testsuite/Makefile.in: Regenerate.
5475 * testsuite/thin_archive_main.cc: New file.
5476 * testsuite/thin_archive_test_1.cc: New file.
5477 * testsuite/thin_archive_test_2.cc: New file.
5478 * testsuite/thin_archive_test_3.cc: New file.
5479 * testsuite/thin_archive_test_4.cc: New file.
5481 2008-09-29 Cary Coutant <ccoutant@google.com>
5483 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5484 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5486 (Sized_relobj::do_finalize_local_symbols): Likewise.
5487 (Sized_relobj::map_to_kept_section): Likewise.
5488 * object.h (Sized_relobj::invalid_address): New constant.
5489 (Sized_relobj::do_output_section_offset): Check for invalid_address
5491 * output.cc (Output_reloc::local_section_offset): Use constant
5492 invalid_address instead of -1U.
5493 (Output_reloc::get_address): Likewise.
5494 (Output_section::output_address): Change -1U to -1ULL.
5495 * output.h (Output_reloc::invalid_address): New constant.
5496 * reloc.cc (Sized_relobj::write_sections): Use constant
5497 invalid_address instead of -1U.
5498 (Sized_relobj::relocate_sections): Likewise.
5499 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5500 values for merge sections.
5501 * target-reloc.h (relocate_for_relocatable): Use constant
5502 invalid_address instead of -1U.
5504 2008-09-19 Cary Coutant <ccoutant@google.com>
5506 Add plugin functionality for link-time optimization (LTO).
5507 * configure.ac (plugins): Add --enable-plugins option.
5508 * configure: Regenerate.
5509 * config.in: Regenerate.
5510 * Makefile.am (LIBDL): New variable.
5511 (CCFILES): Add plugin.cc.
5512 (HFILES): Add plugin.h.
5513 (ldadd_var): Add LIBDL.
5514 * Makefile.in: Regenerate.
5516 * archive.cc: Include "plugin.h".
5517 (Archive::setup): Don't preread archive symbols when using a plugin.
5518 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
5519 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5521 (Archive::include_member): Add symbols from plugin objects.
5522 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5523 * descriptors.cc (Descriptors::open): Check for file descriptors
5524 abandoned by plugins.
5525 (Descriptors::claim_for_plugin): New function.
5526 * descriptors.h (Descriptors::claim_for_plugin): New function.
5527 (Open_descriptor::is_claimed): New field.
5528 (claim_descriptor_for_plugin): New function.
5529 * fileread.cc (File_read::claim_for_plugin): New function.
5530 * fileread.h (File_read::claim_for_plugin): New function.
5531 (File_read::descriptor): New function.
5532 * gold.cc: Include "plugin.h".
5533 (queue_initial_tasks): Add task to call plugin hooks for generating
5535 * main.cc: Include "plugin.h".
5536 (main): Load plugin libraries.
5537 * object.h (Pluginobj): Declare.
5538 (Object::pluginobj): New function.
5539 (Object::do_pluginobj): New function.
5540 (Object::set_target): New function.
5541 * options.cc: Include "plugin.h".
5542 (General_options::parse_plugin): New function.
5543 (General_options::General_options): Initialize plugins_ field.
5544 (General_options::add_plugin): New function.
5545 * options.h (Plugin_manager): Declare.
5546 (General_options): Add --plugin option.
5547 (General_options::has_plugins): New function.
5548 (General_options::plugins): New function.
5549 (General_options::add_plugin): New function.
5550 (General_options::plugins_): New field.
5551 * plugin.cc: New file.
5552 * plugin.h: New file.
5553 * readsyms.cc: Include "plugin.h".
5554 (Read_symbols::do_read_symbols): Check for archive before checking
5555 for ELF file. Call plugin hooks to claim files.
5556 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5557 from a real object file; force override when processing replacement
5559 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5560 (Symbol::init_base_object): Likewise.
5561 (Symbol::init_base_output_data): Likewise.
5562 (Symbol::init_base_output_segment): Likewise.
5563 (Symbol::init_base_constant): Likewise.
5564 (Symbol::init_base_undefined): Likewise.
5565 (Symbol::output_section): Assert that object is not a plugin.
5566 (Symbol_table::add_from_pluginobj): New function.
5567 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5569 (Symbol_table::sized_write_globals): Likewise.
5570 (Symbol_table::add_from_pluginobj): Instantiate template.
5571 * symtab.h (Sized_pluginobj): Declare.
5572 (Symbol::in_real_elf): New function.
5573 (Symbol::set_in_real_elf): New function.
5574 (Symbol::in_real_elf_): New field.
5575 (Symbol_table::add_from_pluginobj): New function.
5577 * testsuite/Makefile.am (AM_CFLAGS): New variable.
5578 (LIBDL): New variable.
5580 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5581 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5582 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5583 (MOSTLYCLEANFILES): Likewise.
5584 * testsuite/Makefile.in: Regenerate.
5585 * testsuite/plugin_test.c: New file.
5586 * testsuite/plugin_test_1.sh: New file.
5587 * testsuite/plugin_test_2.sh: New file.
5589 2008-09-16 Ian Lance Taylor <iant@google.com>
5591 * target-reloc.h (relocate_section): Check whether a symbol is
5592 defined by the ABI before reporting an undefined symbol error.
5593 * target.h (Target::is_defined_by_abi): Make parameter const.
5594 (Target::do_is_defined_by_abi): Likewise.
5595 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5596 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5597 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5598 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5599 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5600 * testsuite/Makefile.in: Rebuild.
5602 * fileread.cc (make_view): Add casts to avoid warning.
5604 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
5606 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5607 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5609 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
5611 * options.h (General_options::output_is_executable): New.
5612 (General_options::output_is_pie): New.
5613 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5614 for shared libraries.
5615 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5617 2008-09-11 Chris Demetriou <cgd@google.com>
5619 * options.h (origin): New -z option.
5620 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5621 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5624 2008-09-05 Cary Coutant <ccoutant@google.com>
5626 * fileread.cc (File_read::make_view): Add check for attempt to map
5629 2008-09-05 Cary Coutant <ccoutant@google.com>
5631 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5632 explicit instantiations.
5634 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
5637 * options.cc (General_options::finalize): Allow undefined symbols
5638 in shlibs if linking -shared.
5641 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5642 symbols as not needing a dynsym entry.
5644 2008-08-20 Craig Silverstein <csilvers@google.com>
5646 * fileread.cc (File_read::open): Do not lock the file unless it
5647 was successfully opened.
5649 2008-08-14 Cary Coutant <ccoutant@google.com>
5651 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5652 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5653 * testsuite/tls_test.cc (struct int128): 128-bit struct
5654 for testing TLS relocs with non-zero addend.
5655 (v12): New TLS variable.
5657 (t_last): Add check for v12.
5658 * testsuite/tls_test.h (t12): New function.
5659 * testsuite/tls_test_main.cc (thread_routine): Call new test.
5661 2008-08-13 Ian Lance Taylor <iant@google.com>
5663 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5664 set tls_segment_ or relro_segment_.
5665 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5667 * output.h (Output_section::clear_is_relro): New function.
5668 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5669 sections specially even when output_data_ is empty.
5670 (Output_segment::maximum_alignment): When first section is relro,
5671 only force alignment for PT_LOAD segments.
5672 * script.cc (script_data_segment_align): New function.
5673 (script_data_segment_relro_end): New function.
5674 * script-c.h (script_data_segment_align): Declare.
5675 (script_data_segment_relro_end): Declare.
5676 * script-sections.h (class Script_sections): Declare
5677 data_segment_align and data_segment_relro_end. Add fields
5678 segment_align_index_ and saw_relro_end_.
5679 * script-sections.cc (class Sections_element): Add set_is_relro
5680 virtual function. Add new bool* parameter to place_orphan_here.
5681 Add get_output_section virtual function.
5682 (class Output_section_definition): Add set_is_relro. Add new
5683 bool* parameter to place_orphan_here. Add get_output_section.
5684 Add is_relro_ field.
5685 (Output_section_definition::Output_section_definition): Initialize
5686 evaluated_address_, evaluated_load_address, evaluated_addralign_,
5687 and is_relro_ fields.
5688 (Output_section_definition::place_orphan_here): Add is_relro
5690 (Output_section_definition::set_section_addresses): Set relro for
5692 (Output_section_definition::alternate_constraint): Likewise.
5693 (class Orphan_output_section): Add new bool* parameter to
5694 place_orphan_here. Add get_output_section.
5695 (Orphan_output_section::place_orphan_here): Add is_relro
5697 (Script_sections::Script_sections): Initialize
5698 data_segment_align_index_ and saw_relro_end_.
5699 (Script_sections::data_segment_align): New function.
5700 (Script_sections::data_segment_relro_end): New function.
5701 (Script_sections::place_orphan): Set or clear is_relro.
5702 (Script_sections::set_section_addresses): Force alignment of first
5704 * yyscript.y (exp): Call script_data_segment_align and
5705 script_data_segment_relro_end.
5706 * testsuite/relro_script_test.t: New file.
5707 * testsuite/relro_test.cc (using_script): Declare.
5708 (t1, t2): Test using_script.
5709 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5710 (relro_script_test_SOURCES): Define.
5711 (relro_script_test_DEPENDENCIES): Define.
5712 (relro_script_test_LDFLAGS): Define.
5713 (relro_script_test_LDADD): Define.
5714 (relro_script_test.so): New target.
5715 * testsuite/Makefile.in: Rebuild.
5717 2008-08-06 Cary Coutant <ccoutant@google.com>
5719 * archive.cc (Archive::total_archives, Archive::total_members)
5720 (Archive::total_members_loaded): New variables.
5721 (Archive::setup): Add parameter. Add option to preread
5723 (Archive::read_armap): Add counter.
5724 (Archive::get_file_and_offset): New function.
5725 (Archive::get_elf_object_for_member): New function.
5726 (Archive::read_all_symbols): New function.
5727 (Archive::read_symbols): New function.
5728 (Archive::add_symbols): Add counters.
5729 (Archive::include_all_members): Use armap to find members if it's
5731 (Archive::include_member): Skip reading symbols if already read.
5732 Factored code into Archive::get_file_and_offset and
5733 Archive::get_elf_object_for_member. Changed call to
5734 Mapfile::report_include_archive_member.
5735 (Archive::print_stats): New function.
5736 * archive.h: Declare Object and Read_symbols_data classes.
5737 (Archive::Archive): Add initializers for new members.
5738 (Archive::setup): Add parameter.
5739 (Archive::print_stats): New function.
5740 (Archive::total_archives, Archive::total_members)
5741 (Archive::total_members_loaded): New variables.
5742 (Archive::get_file_and_offset): New function.
5743 (Archive::get_elf_object_for_member): New function.
5744 (Archive::read_all_symbols): New function.
5745 (Archive::read_symbols): New function.
5746 (Archive::Archive_member): New class.
5747 (Archive::members_): New member.
5748 (Archive::num_members_): New member.
5749 * main.cc: Include archive.h.
5750 (main): Call Archive::print_stats.
5751 * mapfile.cc (Mapfile::report_include_archive_member): Delete
5752 archive parameter; member_name is now the fully-decorated name.
5753 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5754 * options.h: (General_options): Add --preread-archive-symbols option.
5755 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5758 2008-08-04 Ian Lance Taylor <iant@google.com>
5760 * symtab.h (Symbol::use_plt_offset): New function.
5761 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5762 * powerpc.cc (Relocate::relocate): Likewise.
5763 * sparc.cc (Relocate::relocate): Likewise.
5764 * x86_64.cc (Relocate::relocate): Likewise.
5765 * testsuite/weak_plt.sh: New test.
5766 * testsuite/weak_plt_main.cc: New test.
5767 * testsuite/weak_plt_shared.cc: New test.
5768 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5769 (check_PROGRAMS): Add weak_plt.
5770 (check_DATA): Add weak_plt_shared.so.
5771 (weak_plt_main_pic.o, weak_plt): New targets.
5772 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5773 * testsuite/Makefile.in: Rebuild.
5775 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5777 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5778 * testsuite/Makefile.in: Rebuild.
5780 2008-08-04 Alan Modra <amodra@bigpond.net.au>
5782 * Makefile.am (POTFILES.in): Set LC_ALL=C.
5783 * Makefile.in: Regenerate.
5784 * po/POTFILES.in: Regenerate.
5786 2008-07-29 Ian Lance Taylor <iant@google.com>
5788 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5789 symbols before other symbols.
5790 * testsuite/script_test_2.cc (test_addr): Declare.
5791 (test_addr_alias): Declare.
5792 (main): Check that test_addr and test_addr_alias have the right
5794 * testsuite/script_test_2.t: Define test_addr_alias and
5797 2008-07-24 Ian Lance Taylor <iant@google.com>
5800 * descriptors.cc: New file.
5801 * descriptors.h: New file.
5802 * gold-threads.h (class Hold_optional_lock): New class.
5803 * fileread.cc: Include "descriptors.h".
5804 (File_read::~File_read): Release descriptor rather than closing
5806 (File_read::open) [file]: Call open_descriptor rather than open.
5807 Set is_descriptor_opened_.
5808 (File_read::open) [memory]: Assert that descriptor is not open.
5809 (File_read::reopen_descriptor): New function.
5810 (File_read::release): Release descriptor.
5811 (File_read::do_read): Make non-const. Reopen descriptor.
5812 (File_read::read): Make non-const.
5813 (File_read::make_view): Reopen descriptor.
5814 (File_read::do_readv): Likewise.
5815 * fileread.h (class File_read): Add is_descriptor_opened_ field.
5816 Update declarations.
5817 * layout.cc: Include "descriptors.h".
5818 (Layout::create_build_id): Use open_descriptor rather than open.
5819 * output.cc: Include "descriptors.h".
5820 (Output_file::open): Use open_descriptor rather than open.
5821 * archive.cc (Archive::const_iterator): Change Archive to be
5823 (Archive::begin, Archive::end): Make non-const.
5824 (Archive::count_members): Likewise.
5825 * archive.h (class Archive): Update declarations.
5826 * object.h (Object::read): Make non-const.
5827 * Makefile.am (CCFILES): Add descriptors.cc.
5828 (HFILES): Add descriptors.h.
5829 * Makefile.in: Rebuild.
5832 * gold.h: Always include <clocale>. Add Solaris workarounds
5833 following code in binutils/sysdep.h.
5836 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5837 this->eh_frame_hdr_ is NULL before using it.
5839 * dynobj.cc (Versions::Versions): Update comment.
5841 * dynobj.cc (Versions::Versions): If there is an soname, use it as
5842 the base version name.
5844 * stringpool.cc (Stringpool_template::add_with_length): Set key to
5845 array size plus one.
5846 (Stringpool_template::set_string_offsets): Subtract one from key
5847 before using it as an array index.
5848 (Stringpool_template::get_offset_with_length): Likewise.
5849 (Stringpool_template::write_to_buffer): Likewise.
5850 * stringpool.h (Stringpool_template::get_offset_from_key):
5853 2008-07-23 Ian Lance Taylor <iant@google.com>
5856 * object.h (Merged_symbol_value::value): Do our best to handle a
5860 * script.cc (Version_script_info::get_versions): Don't add empty
5861 version tag to return value.
5862 (Version_script_info::get_symbol_version_helper): Change return
5863 type to bool. Add pversion parameter. Change all callers.
5864 (script_register_vers_node): Don't require a non-NULL tag.
5865 * script.h (class Version_script_info): Update declarations.
5866 (Version_script_info::get_symbol_version): Change return type to
5867 bool. Add version parameter. Change all callers.
5868 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5869 handling. Handle an empty version from a version script.
5870 (Symbol_table::define_special_symbol): Likewise.
5871 * testsuite/ver_test_10.script: New file.
5872 * testsuite/ver_test_10.sh: New file.
5873 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5874 (check_DATA): Add ver_test_10.syms.
5875 (ver_test_10.syms, ver_test_10.so): New target.
5876 * testsuite/Makefile.in: Rebuild.
5878 2008-07-23 Simon Baldwin <simonb@google.com>
5880 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5881 to zero for undefined symbols from dynamic libraries.
5883 2008-07-23 Ian Lance Taylor <iant@google.com>
5885 * symtab.cc (Symbol_table::resolve): Remove version parameter.
5887 * symtab.h (class Symbol_table): Update declaration.
5888 * testsuite/ver_test_9.cc: New file.
5889 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5890 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5891 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5892 (ver_test_9.so, ver_test_9.o): New targets.
5893 * testsuite/Makefile.in: Rebuild.
5895 2008-07-22 Ian Lance Taylor <iant@google.com>
5897 * options.h (class General_options): Define --check-sections.
5898 * layout.cc (Layout::set_segment_offsets): Handle
5901 * options.h (class General_options): Define -n/--nmagic and
5903 * options.cc (General_options::finalize): For -n/--nmagic or
5904 -N/--omagic, set -static.
5905 * layout.cc (Layout::attach_allocated_section_to_segment): If
5906 -N/--omagic, don't put read-only and read-write sections in
5908 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5909 finding a read-only segment.
5910 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5911 don't set the minimum segment alignment to the common page size,
5912 and don't set the file offset to the address modulo the page size.
5913 * script-sections.cc (Script_sections::create_segments): If
5914 -n/--omagic, don't put read-only and read-write sections in
5917 * cref.cc: New file.
5919 * options.h (class General_options): Add --print-symbol-counts.
5920 * main.cc (main): Issue defined symbol report if requested.
5921 * archive.cc (Archive::interpret_header): Make into a const member
5923 (Archive::add_symbols): Call Input_objects::archive_start and
5925 (Archive::const_iterator): Define new class.
5926 (Archive::begin, Archive::end): New functions.
5927 (Archive::include_all_members): Rewrite to use iterator.
5928 (Archive::count_members): New function.
5929 * archive.h (class Archive): Update declarations.
5930 (Archive::filename): New function.
5931 * object.cc: Include "cref.h".
5932 (Sized_relobj::Sized_relobj): Initialize defined_count_.
5933 (Sized_relobj::do_get_global_symbol_counts): New function.
5934 (Input_objects::add_object): Add object to cross-referencer.
5935 (Input_objects::archive_start): New function.
5936 (Input_objects::archive_stop): New function.
5937 (Input_objects::print_symbol_counts): New function.
5938 * object.h: Declare Cref and Archive.
5939 (Object::get_global_symbol_counts): New function.
5940 (Object::do_get_global_symbol_counts): New pure virtual function.
5941 (class Sized_relobj): Add defined_count_ field. Update
5943 (class Input_objects): Add cref_ field. Update constructor.
5944 Update declarations.
5945 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
5947 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
5949 (Sized_dynobj::do_get_global_symbol_counts): New function.
5950 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
5951 defined_count_. Update declarations. Define Symbols typedef.
5952 * symtab.cc (Symbol_table::add_from_relobj): Add defined
5953 parameter. Change all callers.
5954 (Symbol_table::add_from_dynobj): Add sympointers and defined
5955 parameters. Change all callers.
5956 * symtab.h (class Symbol_table): Update declarations.
5957 * Makefile.am (CCFILES): Add cref.cc.
5958 (HFILES): Add cref.h.
5959 * Makefile.in: Rebuild.
5961 2008-07-22 Simon Baldwin <simonb@google.com>
5963 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
5964 to zero when writing undefined symbols.
5966 2008-07-22 Ian Lance Taylor <iant@google.com>
5968 * output.cc (Output_section::add_input_section): Don't try to
5969 merge empty merge sections.
5971 2008-07-21 Craig Silverstein <csilvers@google.com>
5973 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5974 Include symbol version in error message.
5976 2008-07-20 Chris Demetriou <cgd@google.com>
5978 * configure.ac (gold_cv_c_random_seed): New configured variable.
5979 (RANDOM_SEED_CFLAGS): New substituted variable.
5980 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
5981 * configure: Rebuild.
5982 * Makefile.in: Likewise.
5983 * testsuite/Makefile.in: Likewise.
5985 2008-07-18 Ian Lance Taylor <iant@google.com>
5987 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
5988 where we see NAME/NULL and NAME/VERSION as separate symbols.
5989 * testsuite/ver_test_main.cc (main): Call t4.
5990 (t4, t4_2a): Define.
5991 * testsuite/ver_test_2.cc (t4_2): Define.
5992 * testsuite/ver_test_2.script: Put t4_2a in VER2.
5993 * testsuite/ver_test_4.cc (t4_2a): Define.
5994 * testsuite/ver_test_4.script: Put t4_2a in VER2.
5995 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
5997 2008-07-17 Ian Lance Taylor <iant@google.com>
5999 * dynobj.cc (Versions::add_def): If we give an error about a
6000 missing version, go ahead and create the version anyhow.
6002 2008-07-10 Ian Lance Taylor <iant@google.com>
6004 Handle output sections with more than 0x7fffffff bytes.
6005 * object.h (class Relobj): Change map_to_output_ to
6006 output_sections_, and just keep a section pointer. Change all
6007 uses. Move comdat group support to Sized_relobj.
6008 (Relobj::is_section_specially_mapped): Remove.
6009 (Relobj::output_section): Remove poff parameter. Change all
6011 (Relobj::output_section_offset): New function.
6012 (Relobj::set_section_offset): Rewrite.
6013 (Relobj::map_to_output): Remove.
6014 (Relobj::output_sections): New function.
6015 (Relobj::do_output_section_offset): New pure virtual function.
6016 (Relobj::do_set_section_offset): Likewise.
6017 (class Sized_relobj): Add section_offsets_ field. Add comdat
6018 group support from Relobj. Update declarations.
6019 (Sized_relobj::get_output_section_offset): New function.
6020 (Sized_relobj::do_output_section_offset): New function.
6021 (Sized_relobj::do_set_section_offset): New function.
6022 * object.cc (Relobj::output_section_address): Remove.
6023 (Sized_relobj::Sized_relobj): Initialize new fields.
6024 (Sized_relobj::include_section_group): Cast find_kept_object to
6026 (Sized_relobj::include_linkonce_section): Likewise.
6027 (Sized_relobj::do_layout): Use separate arrays for output section
6029 (Sized_relobj::do_count_local_symbols): Change map_to_output to
6031 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6032 output_sections and section_offsets.
6033 (Sized_relobj::write_local_symbols): Likewise.
6034 (map_to_kept_section): Compute output address directly.
6035 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6036 output_sections and section_offsets.
6037 (Sized_relobj::write_sections): Likewise.
6038 (Sized_relobj::relocate_sections): Likewise.
6039 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6040 * output.h (class Output_reloc): Update declarations. Change
6041 u2_.relobj to Sized_relobj*.
6042 (class Output_data_reloc): Change add functions to use
6044 * output.cc (Output_reloc::Output_reloc): Change relobj to
6046 (Output_reloc::local_section_offset): Change return type to
6047 Elf_Addr. Use get_output_section_offset.
6048 (Output_reloc::get_address): Likewise.
6049 (Output_section::is_input_address_mapped): Don't call
6050 is_section_specially_mapped.
6051 (Output_section::output_offset): Likewise.
6052 (Output_section::output_address): Likewise.
6053 (Output_section::starting_output_address): Likewise.
6054 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6055 parameter to Sized_relobj*.
6056 (Copy_relocs::need_copy_reloc): Likewise.
6057 (Copy_relocs::save): Likewise.
6058 * copy-relocs.h (class Copy_relocs): Update declarations.
6059 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6060 Sized_relobj*. Change relobj_ field to Sized_relobj*.
6061 * target-reloc.h (relocate_for_relocatable): Change
6062 offset_in_output_section type to Elf_Addr. Change code that uses
6064 * layout.cc (Layout::layout): Always set *off.
6065 * mapfile.cc (Mapfile::print_input_section): Use
6066 output_section_offset.
6067 * i386.cc (Target_i386::copy_reloc): Change object parameter to
6069 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6070 * sparc.cc (Target_sparc::copy_reloc): Likewise.
6071 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6073 2008-07-03 Ian Lance Taylor <iant@google.com>
6075 * layout.cc (Layout::include_section): Do not discard unrecognized
6076 SHT_STRTAB sections.
6078 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
6080 * script.cc (Lex::can_continue_name): Make '?' allowable in
6081 version-script names.
6082 * testsuite/version_script.map: Change glob pattern to use '?'
6084 2008-06-30 Manish Singh <yosh@gimp.org>
6087 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6090 2008-06-30 Ian Lance Taylor <iant@google.com>
6094 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6095 versions]: Don't try to read the value in the contents, since we
6096 don't use it. Use the template endianness when writing.
6098 2008-06-25 Cary Coutant <ccoutant@google.com>
6100 * fileread.cc (File_read::make_view): Assert on zero-length view.
6101 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6102 symbol table when there are no symbols to read.
6104 2008-06-23 Craig Silverstein <csilvers@google.com>
6106 * version.cc (version_string): Bump to 1.7
6108 2008-06-18 Craig Silverstein <csilvers@google.com>
6110 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6111 constant 0xFFFF to type Valtype.
6112 (Powerpc_relocate_functions::rel16_ha): Likewise.
6114 2008-06-17 Ian Lance Taylor <iant@google.com>
6116 * output.h (Output_section::Input_section): Initialize p2align_ to
6117 zero for Output_section_data constructors.
6118 (Output_section::Input_section::addralign): If not an input
6119 section, return the alignment of the Output_section_data.
6120 * testsuite/copy_test.cc: New file.
6121 * testsuite/copy_test_1.cc: New file.
6122 * testsuite/copy_test_2.cc: New file.
6123 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6124 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6125 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6126 (copy_test_1_pic.o, copy_test_1.so): New targets.
6127 (copy_test_2_pic.o, copy_test_2.so): New targets.
6128 * testsuite/Makefile.in: Rebuild.
6130 * script-sections.cc (Script_sections::place_orphan): Initialize
6131 local variable exact.
6133 2008-06-13 David Edelsohn <edelsohn@gnu.org>
6135 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6137 2008-06-12 David Edelsohn <edelsohn@gnu.org>
6138 David S. Miller <davem@davemloft.net>
6140 * powerpc.cc: New file.
6141 * Makefile.am (TARGETSOURCES): Add powerpc.cc
6142 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6143 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6144 * Makefile.in: Rebuild.
6146 2008-06-09 Ian Lance Taylor <iant@google.com>
6148 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6150 (throwing, orig_terminate): New static variables.
6151 (terminate_handler): New static function.
6152 (t2): Set terminate handler.
6154 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
6157 * binary.cc (Binary_to_elf::sized_convert): Fix .data
6160 2008-05-30 Cary Coutant <ccoutant@google.com>
6162 * archive.cc (Archive::include_all_members) Correct to step
6163 over symbol table and extended name table in thin archives.
6165 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
6168 * target-reloc.h (relocate_for_relocatable): Fix new_offset
6171 2008-05-28 Caleb Howe <cshowe@google.com>
6173 * reduced_debug_output.cc: New file.
6174 * reduced_debug_output.h: New file.
6175 * options.h (class General_options): Add --strip-debug-non-line.
6176 * options.cc (General_options::finalize): Add strip_debug_non_line
6177 to the strip heirarchy.
6178 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6180 * layout.cc: Include "reduced_debug_output.h".
6181 (Layout::Layout): Initialize new fields.
6182 (line_only_debug_sections): New static array.
6183 (is_lines_only_debug_sections): New static inline function.
6184 (Layout::include_section): Handle --strip-debug-non-line.
6185 (Layout::make_output_section): If --strip-debug-non-line, build
6186 new output sections for .debug_abbrev and .debug_info.
6187 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6188 gold. Warn about possible overflow.
6189 (read_signed_LEB_128): Likewise.
6190 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6191 (read_signed_LEB_128): Declare.
6192 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6193 (HFILES): Add reduced_debug_output.h.
6194 * Makefile.in: Rebuild.
6196 2008-05-21 Ian Lance Taylor <iant@google.com>
6198 * mapfile.cc: New file.
6199 * mapfile.h: New file.
6200 * options.h (class General_options): Add -M/--print-map and -Map.
6201 * options.cc (General_options::finalize): Make -M equivalent to
6203 * main.cc: Include <cstdio> and "mapfile.h".
6204 (main): Open mapfile if requested.
6205 * gold.cc (class Middle_runner): Add mapfile_ field. Update
6206 constructor. Change caller.
6207 (queue_initial_tasks): Add mapfile parameter. Change caller.
6208 (queue_middle_tasks): Likewise.
6209 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6211 * archive.cc: Include "mapfile.h".
6212 (Archive::add_symbols): Add mapfile parameter. Change all
6213 callers. Pass mapfile, symbol, and reason to include_member.
6214 (Archive::include_all_members): Add mapfile parameter. Change all
6216 (Archive::include_member): Add mapfile, sym, and why parameters.
6217 Change all callers. Report inclusion to map file.
6218 * archive.h: Include "fileread.h".
6219 (class Archive): Update declarations.
6220 (Archive::file): New const method.
6221 (class Add_archive_symbols): Add mapfile_ field. Update
6222 constructor. Change all callers.
6223 * readsyms.h (class Read_symbols): Likewise.
6224 (class Finish_group): Likewise.
6225 (class Read_script): Likewise.
6226 * common.cc: Include "mapfile.h".
6227 (Symbol_table::allocate_commons): Add mapfile parameter. Change
6229 (Symbol_table::do_allocate_commons): Likewise.
6230 (Symbol_table::do_allocate_commons_list): Likewise. Report common
6231 symbol allocation to mapfile.
6232 * common.h (class Allocate_commons_task): Add mapfile_ field.
6233 Update constructor. Change all callers.
6234 * symtab.h (class Symbol_table): Update declarations.
6235 * layout.cc: Include "mapfile.h".
6236 (Layout_task_runner::run): Print information to mapfile.
6237 (Layout::create_gold_note): Change Output_data_fixed_space to
6238 Output_data_zero_fill.
6239 (Layout::create_build_id): Likewise.
6240 (Layout::print_to_mapfile): New function.
6241 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
6242 constructor. Change caller.
6243 (class Layout): Declare print_to_mapfile.
6244 * output.cc (Output_section::Input_section::print_to_mapfile): New
6246 (Output_section::add_input_section): If producing a map, always
6247 add to input_sections_ list.
6248 (Output_section::do_print_to_mapfile): New function.
6249 (Output_segment::print_sections_to_mapfile): New function.
6250 (Output_segment::print_section_list_to_mapfile): New function.
6251 * output.h: Include "mapfile.h".
6252 (Output_data::print_to_mapfile): New function.
6253 (Output_data::do_print_to_mapfile): New virtual function.
6254 (Output_segment_headers::do_print_to_mapfile): New function.
6255 (Output_file_header::do_print_to_mapfile): New function.
6256 (Output_data_const::do_print_to_mapfile): New function.
6257 (class Output_data_const_buffer): Add map_name_ field. Update
6258 constructor. Change all callers. Add do_print_to_mapfile
6260 (class Output_data_fixed_space): Likewise.
6261 (class Output_data_space): Likewise.
6262 (class Output_data_zero_fill): New class.
6263 (Output_data_strtab::do_print_to_mapfile): New function.
6264 (Output_data_reloc_base::do_print_to_mapfile): New function.
6265 (Output_relocatable_relocs::do_print_to_mapfile): New function.
6266 (Output_data_group::do_print_to_mapfile): New function.
6267 (Output_data_got::do_print_to_mapfile): New function.
6268 (Output_data_dynamic::do_print_to_mapfile): New function.
6269 (Output_symtab_xindex::do_print_to_mapfile): New function.
6270 (class Output_section): Declare do_print_to_mapflie. Declare
6271 print_to_mapfile in Input_section.
6272 (class Output_segment): Declare new functions.
6273 * object.h (Sized_relobj::symbol_count): New function.
6274 * script-sections.cc
6275 (Output_section_element_dot_assignment::set_section_addresses):
6276 Change Output_data_fixed_space to Output_data_zero_fill.
6277 (Output_data_expression::do_print_to_mapfile): New function.
6278 * script.cc (read_input_script): Add mapfile parameter. Change
6280 * script.h (read_input_script): Update declaration.
6281 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6282 (Eh_frame::do_print_to_mapfile): New function.
6283 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6284 (Output_merge_string::do_print_to_mapfile): New function.
6285 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6287 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6289 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6291 * Makefile.am (CCFILES): Add mapfile.cc.
6292 (HFILES): Add mapfile.h.
6293 * Makefile.in: Rebuild.
6295 2008-05-19 Ian Lance Taylor <iant@google.com>
6297 * options.h (class General_options): Add -z relro.
6298 * layout.cc (Layout::Layout): Initialize relro_segment_.
6299 (Layout::add_output_section_data): Return the output section.
6300 (Layout::make_output_section): Rcognize relro sections and mark
6302 (Layout::attach_allocated_section_to_segment): Put relro sections
6303 in a PT_GNU_RELRO segment.
6304 (Layout::create_initial_dynamic_sections): Mark the .dynamic
6306 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6308 (Layout::linkonce_mapping): Map d.rel.ro.local to
6310 (Layout::output_section_name): Us .data.rel.ro.local for any
6311 section which begins with that.
6312 * layout.h (class Layout): Update add_output_section_data
6313 declaration. Add relro_segment_ field.
6314 * output.cc (Output_section::Output_section): Initialize is_relro_
6315 and is_relro_local_ fields.
6316 (Output_segment::add_output_section): Group relro sections.
6317 (Output_segment::is_first_section_relro): New function.
6318 (Output_segment::maximum_alignment): If there is a relro section,
6319 align the segment to the common page size.
6320 (Output_segment::set_section_addresses): Track whether we are
6321 looking at relro sections. If the last section is a relro
6322 section, align to the common page size.
6323 (Output_segment::set_section_list_addresses): Add in_relro
6324 parameter. Change all callers. Align to the page size when
6325 moving from relro to non-relro section.
6326 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6328 * output.h (class Output_section): Add is_relro_ and
6329 is_relro_local_ fields.
6330 (Output_section::is_relro): New function.
6331 (Output_section::set_is_relro): New function.
6332 (Output_section::is_relro_local): New function.
6333 (Output_section::set_is_relro_local): New function.
6334 (class Output_segment): Update declarations.
6335 * i386.cc (Target_i386::got_section): Mark .got section as relro.
6336 * sparc.cc (Target_sparc::got_section): Likewise.
6337 * x86_64.cc (Target_x86_64::got_section): Likewise.
6338 * testsuite/relro_test_main.cc: New file.
6339 * testsuite/relro_test.cc: New file.
6340 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6341 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6342 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6343 (relro_test.so, relro_test_pic.o): New targets.
6344 * testsuite/Makefile.in: Rebuild.
6346 2008-05-16 Ian Lance Taylor <iant@google.com>
6348 * output.cc (Output_segment::add_output_section): Remove front
6350 * output.h (class Output_segment): Remove
6351 add_initial_output_section and overloaded add_output_section.
6352 Update declaration of remaining add_output_section.
6353 * layout.cc (Layout::create_interp): Call add_output_section
6354 rather than add_initial_output_section.
6355 (Layout::finish_dynamic_section): Likewise.
6357 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6358 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
6359 know the dynamic type.
6360 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6361 field. Initialize it in constructor.
6362 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6363 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6364 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6367 * output.cc (Output_reloc::get_address): Change return type to
6369 * output.h (class Output_reloc): Update get_address declaration.
6370 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6371 for section addresses.
6373 2008-05-09 Ian Lance Taylor <iant@google.com>
6376 * gold.cc (gold_nomem): Use return value of write.
6378 2008-05-08 Ian Lance Taylor <iant@google.com>
6380 * symtab.c (Symbol::init_base_output_data): Add version
6381 parameter. Change all callers.
6382 (Symbol::init_base_output_segment): Likewise.
6383 (Symbol::init_base_constant): Likewise.
6384 (Symbol::init_base_undefined): Likewise.
6385 (Sized_symbol::init_output_data): Likewise.
6386 (Sized_symbol::init_output_segment): Likewise.
6387 (Sized_symbol::init_constant): Likewise.
6388 (Sized_symbol::init_undefined): Likewise.
6389 (Symbol_table::do_define_in_output_data): If the new symbol has a
6390 version, mark it as the default.
6391 (Symbol_table::do_define_in_output_segment): Likewise.
6392 (Symbol_table::do_define_as_constant): Likewise.
6393 * symtab.h (class Symbol): Update declarations.
6394 (class Sized_symbol): Likewise.
6395 * resolve.cc (Symbol::override_version): New function.
6396 (Symbol::override_base): Call override_version.
6397 (Symbol::override_base_with_special): Likewise.
6398 * testsuite/ver_script_8.script: New file.
6399 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6400 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6401 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6402 (ver_test_8_1.so, ver_test_8_2.so): New targets.
6404 2008-05-06 Ian Lance Taylor <iant@google.com>
6407 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6409 (class General_options): Remove existing --undefined, and add
6410 --no-undefined instead. Add new --undefined as synonym for -u.
6411 * archive.cc (Archive::add_symbols): Check whether symbol was
6413 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6414 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6415 all uses. Add IS_UNDEFINED. Update declarations to split
6416 different versions of init_base. Declare init_base_undefined.
6417 (Symbol::is_defined): Handle IS_UNDEFINED.
6418 (Symbol::is_undefined): Likewise.
6419 (Symbol::is_weak_undefined): Call is_undefined.
6420 (Symbol::is_absolute): Handle IS_CONSTANT.
6421 (class Sized_symbol): Update declarations to split different
6422 versions of init. Declare init_undefined.
6423 (class Symbol_table): Declare new functions.
6424 * symtab.cc (Symbol::init_base_object): Rename from init_base.
6426 (Symbol::init_base_output_data): Likewise.
6427 (Symbol::init_base_output_segment): Likewise.
6428 (Symbol::init_base_constant): Likewise.
6429 (Symbol::init_base_undefined): New function.
6430 (Sized_symbol::init_object): Rename from init. Change all
6432 (Sized_symbol::init_output_data): Likewise.
6433 (Sized_symbol::init_output_segment): Likewise.
6434 (Sized_symbol::init_constant): Likewise.
6435 (Sized_symbol::init_undefined): New function.
6436 (Symbol_table::add_undefined_symbols_from_command_line): New
6438 (Symbol_table::do_add_undefined_symbols_from_command_line): New
6440 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6441 (Symbol::output_section): Likewise.
6442 (Symbol::set_output_section): Likewise.
6443 (Symbol_table::sized_finalize_symbol): Likewise.
6444 (Symbol_table::sized_write_globals): Likewise.
6445 * resolve.cc (Symbol_table::should_override): Likewise.
6446 (Symbol::override_base_with_special): Likewise.
6448 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6449 symbol, change it to have default visibility.
6450 * testsuite/protected_1.cc: New file.
6451 * testsuite/protected_2.cc: New file.
6452 * testsuite/protected_3.cc: New file.
6453 * testsuite/protected_main_1.cc: New file.
6454 * testsuite/protected_main_2.cc: New file.
6455 * testsuite/protected_main_3.cc: New file.
6456 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6457 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6458 (protected_1_LDFLAGS, protected_1_LDADD): Define.
6459 (protected_1.so): New target.
6460 (protected_1_pic.o, protected_2_pic.o): New targets.
6461 (protected_3_pic.o): New target.
6462 (check_PROGRAMS): Add protected_2.
6463 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6464 (protected_2_LDFLAGS, protected_2_LDADD): Define.
6465 * testsuite/Makefile.in: Rebuild.
6467 * options.h (DEFINE_var): Add set_user_set_##varname__.
6468 (DEFINE_bool_alias): New macro.
6469 (class General_options): Define -Bstatic using DEFINE_bool_alias
6470 rather than DEFINE_special. Add --undefined as an alias for -z
6472 * options.cc (General_options::parse_Bstatic): Remove.
6474 * options.h (class General_options): Add --fatal-warnings.
6475 * main.cc (main): Implement --fatal-warnings.
6476 * errors.h (Errors::warning_count): New function.
6478 * options.h (class General_options): Add -Bsymbolic-functions.
6479 * symtab.h (Symbol::is_preemptible): Check for
6480 -Bsymbolic-functions.
6482 2008-05-05 Ian Lance Taylor <iant@google.com>
6484 * options.h (DEFINE_bool): For DASH_Z, create the negative option
6485 as noVARNAME rather than no-VARNAME.
6486 (class General_options): Add option -z combreloc.
6487 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6489 (Output_reloc::sort_before) [SHT_REL]: New function.
6490 (Output_reloc::sort_before) [SHT_RELA]: New function.
6491 (class Output_data_reloc_base): Add sort_relocs_ field. Define
6492 Sort_relocs_comparison.
6493 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6494 parameter. Change all callers.
6495 (Output_data_reloc::Output_data_reloc) [both versions]: Add
6496 sort_relocs parameter. Change all callers.
6497 * output.cc (Output_reloc::get_address): New function, broken out
6499 (Output_reloc::write_rel): Call it.
6500 (Output_reloc::compare): New function.
6501 (Output_data_reloc_base::do_write): Optionally sort relocs.
6503 * configure.ac: If targ_extra_obj is set, link it in.
6504 * configure.tgt: Initialize all variables.
6505 (x86_64*): Set targ_extra_obj and targ_extra_size.
6506 * configure: Rebuild.
6508 * object.cc (Sized_relobj::include_section_group): Adjust section
6509 indexes read from group data. Build vector to pass to
6511 * layout.cc (Layout::layout_group): Add flags and shndxes
6512 parameters. Remove contents parameter. Change caller. Update
6513 explicit instantiations.
6514 * layout.h (class Layout): Update layout_group declaration.
6515 * output.cc (Output_data_group::Output_data_group): Add flags and
6516 input_shndxes parameters. Remove contents parameter. Change
6518 (Output_data_group::do_write): Change input_sections_ to
6520 * output.h (class Output_data_group): Update constructor
6521 declaration. Rename input_sections_ to input_shndxes_.
6522 * testsuite/many_sections_test.cc: Add template.
6524 2008-04-30 Cary Coutant <ccoutant@google.com>
6526 * target-reloc.h (relocate_section): Fix dead-pointer bug.
6528 * layout.cc (Layout::include_section): Refactored check for debug
6530 (Layout::add_comdat): Add new parameters. Change type
6531 of signature parameter. Add object and shndx to signatures table.
6532 (Layout::find_kept_object): New function.
6533 * layout.h: Include <cstring>.
6534 (Layout::is_debug_info_section): New function.
6535 (Layout::add_comdat): Add new parameters.
6536 (Layout::find_kept_object): New function.
6537 (Layout::Kept_section): New struct.
6538 (Layout::Signatures): Change type of map range.
6539 * object.cc (Relobj::output_section_address): New function.
6540 (Sized_relobj::include_section_group): Add new parameters. Change
6541 calls to Layout::add_comdat. Change to build table of kept comdat
6542 groups and table mapping discarded sections to kept sections.
6543 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
6544 (Sized_relobj::do_layout): Change calls to include_section_group and
6545 include_linkonce_section.
6546 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6547 value to zero when section is discarded.
6548 (Sized_relobj::map_to_kept_section): New function.
6549 * object.h (Relobj::output_section_address): New function.
6550 (Relobj::Comdat_group): New type.
6551 (Relobj::find_comdat_group): New function.
6552 (Relobj::Comdat_group_table): New type.
6553 (Relobj::Kept_comdat_section): New type.
6554 (Relobj::Kept_comdat_section_table): New type.
6555 (Relobj::add_comdat_group): New function.
6556 (Relobj::set_kept_comdat_section): New function.
6557 (Relobj::get_kept_comdat_section): New function.
6558 (Relobj::comdat_groups_): New field.
6559 (Relobj::kept_comdat_sections_): New field.
6560 (Symbol_value::input_value): Update comment.
6561 (Sized_relobj::map_to_kept_section) New function.
6562 (Sized_relobj::include_linkonce_section): Add new parameter.
6563 * target-reloc.h (Comdat_behavior): New type.
6564 (get_comdat_behavior): New function.
6565 (relocate_section): Add code to map a discarded section to the
6566 corresponding kept section when applying a relocation.
6568 2008-04-30 Craig Silverstein <csilvers@google.com>
6570 * dwarf_reader.cc (next_generation_count): New static var.
6571 (Addr2line_cache_entry): New struct.
6572 (addr2line_cache): New static var.
6573 (Dwarf_line_info::one_addr2line): Added caching.
6574 (Dwarf_line_info::clear_addr2line_cache): New function.
6575 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6576 cache-size parameter.
6577 (Dwarf_line_info::one_addr2line_cache): New function.
6578 * symtab.cc (Symbol_table::detect_odr_violations): Pass
6579 new cache-size argument to one_addr2line(), and clear cache.
6581 2008-04-28 Cary Coutant <ccoutant@google.com>
6583 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6584 R_386_PC8 relocations.
6586 2008-04-23 Ian Lance Taylor <iant@google.com>
6588 * object.cc (Sized_relobj::include_section_group): Check for
6589 invalid section group.
6591 * object.cc (make_elf_object): Correct test for 64-bit ELF file
6594 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6595 than read for file header.
6596 * archive.cc (Archive::include_member): Likewise.
6598 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
6600 * aclocal.m4: Regenerate.
6601 * configure: Regenerate.
6603 2008-04-19 Ian Lance Taylor <iant@google.com>
6605 * version.cc (version_string): Bump to 1.6.
6607 * testsuite/Makefile.am (many_sections_r_test): New target.
6608 (many_sections_r_test_SOURCES): Remove.
6609 (many_sections_r_test_DEPENDENCIES): Remove.
6610 (many_sections_r_test_LDFLAGS): Remove.
6611 (many_sections_r_test_LDADD): Remove.
6613 * object.cc (Sized_relobj::do_add_symbols): Always pass
6614 local_symbol_count_ to add_from_relobj.
6616 * testsuite/Makefile.am (many_sections_check.h): Only check one in
6617 every thousand variables.
6618 * testsuite/Makefile.in: Rebuild.
6620 * object.cc (Xindex::initialize_symtab_xindex): New function.
6621 (Xindex::read_symtab_xindex): New function.
6622 (Xindex::sym_xindex_to_shndx): New function.
6623 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6625 (Sized_relobj::do_initialize_xindex): New function.
6626 (Sized_relobj::do_read_symbols): Adjust section links.
6627 (Sized_relobj::symbol_section_and_value): Add is_ordinary
6628 parameter. Change all callers.
6629 (Sized_relobj::include_section_group): Adjust section links and
6630 symbol section indexes.
6631 (Sized_relobj::do_layout): Adjust section links.
6632 (Sized_relobj::do_count_local_symbols): Adjust section links and
6633 symbol section indexes.
6634 (Sized_relobj::do_finalize_local_symbols): Distinguish between
6635 ordinary and special symbols.
6636 (Sized_relobj::write_local_symbols): Add symtab_xindex and
6637 dynsym_xindex parameters. Change all callers. Adjust section
6638 links. Use SHN_XINDEX when needed.
6639 (Sized_relobj::get_symbol_location_info): Adjust section links.
6640 Don't get fooled by special symbols.
6641 * object.h (class Xindex): Define.
6642 (class Object): Add xindex_ parameter. Declare virtual functoin
6643 do_initialize_xindex.
6644 (Object::adjust_sym_shndx): New function.
6645 (Object::set_xindex): New protected function.
6646 (class Symbol_value): Add is_ordinary_shndx_ field.
6647 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6648 (Symbol_value::value): Assert ordinary section.
6649 (Symbol_value::initialize_input_to_output_map): Likewise.
6650 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6652 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
6654 (class Sized_relobj): Update declarations.
6655 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6656 parameter. Change all callers.
6657 (Sized_relobj::adjust_shndx): New function.
6658 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6660 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6661 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
6662 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
6663 (Sized_dynobj::read_dynsym_section): Adjust section links.
6664 (Sized_dynobj::read_dynamic): Likewise.
6665 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
6667 (Sized_dynobj::do_initialize_xindex): New function.
6668 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
6669 do_initialize_xindex.
6670 (Sized_dynobj::adjust_shndx): New function.
6671 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6672 dynsym_xindex_ fields.
6673 (Layout::finalize): Add a call to set_section_indexes before
6674 creating the symtab sections.
6675 (Layout::set_section_indexes): Don't do anything if the section
6676 already has a section index.
6677 (Layout::create_symtab_sections): Add shnum parameter. Change
6678 caller. Create .symtab_shndx section if needed.
6679 (Layout::create_shdrs): Add shstrtab_section parameter. Change
6681 (Layout::allocated_output_section_count): New function.
6682 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6684 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6685 fields. Update declarations.
6686 (Layout::symtab_xindex): New function.
6687 (Layout::dynsym_xindex): New function.
6688 (class Write_symbols_task): Add layout_ field.
6689 (Write_symbols_task::Write_symbols_task): Add layout parameter.
6691 * output.cc (Output_section_headers::Output_section_headers): Add
6692 shstrtab_section parameter. Change all callers.
6693 (Output_section_headers::do_sized_write): Store overflow values
6694 for section count and section string table section index in
6695 section header zero.
6696 (Output_file_header::do_sized_write): Check for overflow of
6697 section count and section string table section index.
6698 (Output_symtab_xindex::do_write): New function.
6699 (Output_symtab_xindex::endian_do_write): New function.
6700 * output.h (class Output_section_headers): Add shstrtab_section_.
6701 Update declarations.
6702 (class Output_symtab_xindex): Define.
6703 (Output_section::has_out_shndx): New function.
6704 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6706 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6708 (Sized_symbol::init): Likewise.
6709 (Symbol::output_section): Check for ordinary symbol.
6710 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
6711 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
6713 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6714 Change all callers. Simplify handling of symbols from sections
6715 not included in the link.
6716 (Symbol_table::add_from_dynobj): Handle ordinary symbol
6718 (Weak_alias_sorter::operator()): Assert that symbols are
6720 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6722 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6723 parameters. Change all callers.
6724 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
6725 symbol distinction. Use SHN_XINDEX when needed.
6726 (Symbol_table::write_section_symbol): Add symtab_xindex
6727 parameter. Change all callers.
6728 (Symbol_table::sized_write_section_symbol): Likewise. Use
6729 SHN_XINDEX when needed.
6730 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
6732 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
6733 (Symbol::is_defined): Check is_ordinary.
6734 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6735 (Symbol::is_absolute, Symbol::is_common): Likewise.
6736 (class Sized_symbol): Update declarations.
6737 (class Symbol_table): Update declarations.
6738 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6739 parameters. Change all callers.
6740 (Sized_symbol::override): Likewise.
6741 (Symbol_table::override): Likewise.
6742 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
6743 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
6744 is_ordinary, and orig_st_shndx parameters. Change all callers.
6745 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6746 to be in an ordinary section.
6747 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6748 object and is_ordinary parameters. Change all callers.
6749 (Sized_dwarf_line_info::read_relocs): Add object parameter.
6750 Change all callers. Don't add undefined or non-ordinary symbols
6752 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6754 * dwarf_reader.h (class Sized_dwarf_line_info): Update
6756 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6757 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6758 (Sized_relobj::relocate_sections): Likewise.
6759 * target-reloc.h (scan_relocs): Adjust section symbol index.
6760 (scan_relocatable_relocs): Likewise.
6761 * i386.cc (Scan::local): Check for ordinary symbols.
6762 * sparc.cc (Scan::local): Likewise.
6763 * x86_64.cc (Scan::local): Likewise.
6764 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6765 to symbol_section_and_value.
6766 * testsuite/many_sections_test.cc: New file.
6767 * testsuite/Makefile.am (BUILT_SOURCES): Define.
6768 (check_PROGRAMS): Add many_sections_test.
6769 (many_sections_test_SOURCES): Define.
6770 (many_sections_test_DEPENDENCIES): Define.
6771 (many_sections_test_LDFLAGS): Define.
6772 (BUILT_SOURCES): Add many_sections_define.h.
6773 (many_sections_define.h): New target.
6774 (BUILT_SOURCES): Add many_sections_check.h.
6775 (many_sections_check.h): New target.
6776 (check_PROGRAMS): Add many_sections_r_test.
6777 (many_sections_r_test_SOURCES): Define.
6778 (many_sections_r_test_DEPENDENCIES): Define.
6779 (many_sections_r_test_LDFLAGS): Define.
6780 (many_sections_r_test_LDADD): Define.
6781 (many_sections_r_test.o): New target.
6782 * testsuite/Makefile.in: Rebuild.
6784 2008-04-17 Cary Coutant <ccoutant@google.com>
6786 * errors.cc (Errors::info): New function.
6787 (gold_info): New function.
6788 * errors.h (Errors::info): New function.
6789 * gold.h (gold_info): New function.
6790 * object.cc (Input_objects::add_object): Print trace output.
6791 * options.cc (options::parse_set): New function.
6792 (General_options::parse_wrap): Deleted.
6793 (General_options::General_options): Deleted initializer.
6794 * options.h (options::String_set): New typedef.
6795 (options::parse_set): New function.
6796 (DEFINE_set): New macro.
6797 (General_options::wrap): Changed to use DEFINE_set. Changed
6798 callers of any_wrap_symbols and is_wrap_symbol.
6799 (General_options::trace, General_options::trace_symbol):
6801 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6802 (General_options::wrap_symbols_): Deleted.
6803 * symtab.cc (Symbol_table::add_from_object): Print trace output.
6805 2008-04-17 David S. Miller <davem@davemloft.net>
6807 * options.cc (General_options::parse_V): New function.
6808 * options.h: Add entries for -V and -Qy.
6810 2008-04-17 Ian Lance Taylor <iant@google.com>
6812 * common.cc (Symbol_table::allocate_commons): Remove options
6813 parameter. Change caller.
6814 (Symbol_table::do_allocate_commons): Remove options parameter.
6815 Change caller. Just call do_allocate_commons_list twice.
6816 (Symbol_table::do_allocate_commons_list): New function, broken out
6817 of do_allocate_commons.
6818 * common.h (class Allocate_commons_task): Remove options_ field.
6820 * symtab.cc (Symbol_table::Symbol_table): Initialize
6822 (Symbol_table::add_from_object): Put TLS common symbols on
6824 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6825 which are IN_OUTPUT_DATA.
6826 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
6827 allocate_commons and do_allocate_commons declarations. Declare
6828 do_allocate_commons_list.
6829 * gold.cc (queue_middle_tasks): Update creation of
6830 Allocate_commons_task to not pass options.
6831 * testsuite/Makefile.am (INCLUDES): Add -I.. .
6832 (TLS_TEST_C_FLAGS): New variable.
6833 (tls_test_c_pic.o): New target.
6834 (tls_test_shared.so): Link in tls_test_c_pic.o.
6835 (tls_test_c_pic_ie.o): New target.
6836 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6837 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6838 (tls_test_c.o): New target.
6839 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6840 (tls_pic_test_LDADD): Likewise.
6841 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6842 (tls_shared_gd_to_ie_test_LDADD): Likewise.
6843 (tls_test_c_gnu2.o): New target.
6844 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6846 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6847 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6848 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6849 * testsuite/tls_test.cc: Include "config.h".
6850 (t_last): Call t11_last.
6851 * testsuite/tls_test.h (t11, t11_last): Declare.
6852 * testsuite/tls_test_c.c: New file.
6853 * testsuite/tls_test_main.cc (thread_routine): Call t11.
6854 * configure.ac: Check for OpenMP support.
6855 * configure, config.in, Makefile.in: Rebuild.
6856 * testsuite/Makefile.in: Rebuild.
6858 2008-04-16 Cary Coutant <ccoutant@google.com>
6860 * i386.cc (Target_i386::define_tls_base_symbol): New function.
6861 (Target_i386::tls_base_symbol_defined_): New field.
6862 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6863 (Target_i386::Scan::global): Likewise.
6864 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6865 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6866 (Target_x86_64::tls_base_symbol_defined_): New field.
6867 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6868 (Target_x86_64::Scan::global): Likewise.
6870 2008-04-16 Cary Coutant <ccoutant@google.com>
6872 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6873 (Symbol::needs_plt_entry): Allow weak undefined symbols.
6874 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6875 building shared libraries.
6876 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6877 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6878 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6879 * testsuite/Makefile.in: Rebuild.
6880 * testsuite/weak_undef.h: New file.
6881 * testsuite/weak_undef_file1.cc: Add extra test cases.
6882 * testsuite/weak_undef_file2.cc: Likewise.
6883 * testsuite/weak_undef_test.cc: Likewise.
6885 2008-04-16 David S. Miller <davem@davemloft.net>
6887 * sparc.cc (Target_sparc::Scan): Change from struct to class.
6888 Add issued_non_pic_error_ field. Declare check_non_pic.
6889 (Target_sparc::Scan::check_non_pic): New function.
6890 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6891 (Target_sparc::Scan::global): Likewise.
6893 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6894 * configure: Rebuild.
6896 * options.h (DEFINE_enable): New macro.
6897 (new_dtags): New enable option.
6898 (initfirst, interpose, loadfltr, nodefaultlib,
6899 nodelete, nodlopen, nodump): New -z options.
6900 * layout.cc (Layout:finish_dynamic_section): If new
6901 dtags enabled, emit DT_RUNPATH. Also, emit a
6902 DT_FLAGS_1 containing any specified -z flags.
6904 2008-04-16 Ian Lance Taylor <iant@google.com>
6906 * copy-relocs.cc: New file.
6907 * copy-relocs.h: New file.
6908 * reloc.cc: Remove Copy_relocs code.
6909 * reloc.h: Likewise.
6910 * reloc-types.h (struct Reloc_types) [both versions]: Add
6911 get_reloc_addend_noerror.
6912 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6913 variants of add_global which take an addend which must be zero.
6914 * i386.cc: Include "copy-relocs.h".
6915 (class Target_i386): Change type of copy_relocs_ to variable,
6917 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6919 (Target_i386::do_finalize_sections): Change handling of
6921 * sparc.cc: Include "copy-relocs.h".
6922 (class Target_sparc): Change type of copy_relocs_ to variable,
6924 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6926 (Target_sparc::do_finalize_sections): Change handling of
6928 * x86_64.cc: Include "copy-relocs.h".
6929 (class Target_x86_64): Change type of copy_relocs_ to variable,
6931 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6932 class. Change all callers.
6933 (Target_x86_64::do_finalize_sections): Change handling of
6935 * Makefile.am (CCFILES): Add copy-relocs.cc.
6936 (HFILES): Add copy-relocs.h.
6938 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6940 * testsuite/script_test_4.sh: Permit leading zeroes.
6942 2008-04-15 Ian Lance Taylor <iant@google.com>
6944 * script-sections.cc (Script_sections::create_segments): Use
6945 header_size_adjustment even when there is enough room for the
6947 * testsuite/script_test_4.sh: New file.
6948 * testsuite/script_test_4.t: New file.
6949 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
6950 (check_DATA): Add script_test_4.stdout.
6951 (MOSTLYCLEANFILES): Likewise.
6952 (script_test_4): New target.
6953 (script_test_4.stdout): New target.
6954 * testsuite/Makefile.in: Rebuild.
6956 * sparc.cc: Add definitions for Output_data_plt_sparc class
6959 2008-04-14 David S. Miller <davem@davemloft.net>
6961 * sparc.cc: New file.
6962 * Makefile.am (TARGETSOURCES): Add sparc.cc
6963 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
6964 * configure.tgt: Document targ_extra_size and
6965 targ_extra_big_endian. Add entries for sparc-* and
6967 * configure.ac: Handle targ_extra_size and
6968 targ_extra_big_endian.
6969 * Makefile.in: Rebuild.
6970 * configure: Likewise.
6971 * po/POTFILES.in: Likewise.
6972 * po/gold.pot: Likewise.
6974 2008-04-14 Ian Lance Taylor <iant@google.com>
6976 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
6977 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
6978 in the name/type/flags to section mapping. Don't call
6979 allocate_output_section.
6980 (Layout::choose_output_section): Change parameter from adjust_name
6981 to is_input_section. Don't permit input sections after sections
6982 are attached to segments. Don't call allocate_output_section.
6983 (Layout::layout_eh_frame): Call update_flags_for_input_section,
6984 not write_enable_output_section.
6985 (Layout::make_output_section): Don't push to
6986 unattached_section_list_ nor call attach_to_segment. Call
6987 attach_section_to_segment if sections are attached.
6988 (Layout::attach_sections_to_segments): New function.
6989 (Layout::attach_section_to_segment): New function.
6990 (Layout::attach_allocated_section_to_segment): Rename from
6991 attach_to_segment. Remove flags parameter.
6992 (Layout::allocate_output_section): Remove function.
6993 (Layout::write_enable_output_section): Remove function.
6994 * layout.h (class Layout): Update for above changes. Add new
6995 field sections_are_attached_.
6996 * output.h (Output_section::update_flags_for_input_section): New
6998 * output.cc (Output_section::add_input_section): Call
6999 update_flags_for_input_section.
7000 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7002 2008-04-11 Cary Coutant <ccoutant@google.com>
7004 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7005 thought unnecessary.
7006 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7008 2008-04-11 Ian Lance Taylor <iant@google.com>
7010 * output.h (class Output_section_data): Remove inline definition
7012 * output.cc (Output_section_data::set_addralign): New function.
7014 2008-04-11 Cary Coutant <ccoutant@google.com>
7016 Add support for TLS descriptors for i386 and x86_64.
7017 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7018 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7019 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7021 (Target_i386::got_mod_index_entry): Remove unnecessary code.
7022 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7023 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
7025 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7026 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7027 Fix problem with initial-exec relocations.
7028 (Target_i386::Relocate::relocate_tls): Likewise.
7029 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7031 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7032 support for section-plus-offset dynamic table entries.
7033 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7034 (Output_data_dynamic::Dynamic_entry): Add support for
7035 section-plus-offset dynamic table entries.
7036 (Output_data_dynamic::Classification): Likewise.
7037 (Output_data_dynamic::classification_): Renamed offset_.
7038 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7039 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7040 (Target_x86_64::make_plt_section): New function.
7041 (Target_x86_64::reserve_tlsdesc_entries): New function.
7042 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7043 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7044 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7045 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7046 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7047 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7048 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7049 add extra PLT entry for TLS descriptors.
7050 (Output_data_plt_x86_64::got_): New field.
7051 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7052 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7054 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7056 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7057 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7058 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7059 R_386_TLS_DESC_CALL relocations.
7060 (Target_x86_64::Scan::global): Likewise.
7061 (Target_x86_64::do_finalize_sections): Add dynamic table entries
7062 for TLS descriptors.
7063 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7064 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7065 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7066 GD-to-IE relaxation.
7067 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7068 and TLS_DESCRIPTORS.
7069 * Makefile.in: Rebuild.
7070 * configure: Rebuild.
7071 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7072 (tls_test_shared2.so): New target.
7073 (tls_shared_gd_to_ie_test_SOURCES): New variable.
7074 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7075 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7076 (tls_shared_gd_to_ie_test_LDADD): New variable.
7077 (tls_shared_gnu2_gd_to_ie_test): New target.
7078 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7080 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7081 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7082 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7083 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7084 (tls_shared_gnu2_test): New target.
7085 (tls_test_gnu2_shared.so): New target.
7086 (tls_shared_gnu2_test_SOURCES): New variable.
7087 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7088 (tls_shared_gnu2_test_LDFLAGS): New variable.
7089 (tls_shared_gnu2_test_LDADD): New variable.
7090 * testsuite/Makefile.in: Rebuild.
7091 * testsuite/Makefile.
7093 2008-04-11 Ian Lance Taylor <iant@google.com>
7095 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7097 * testsuite/Makefile.in: Rebuild.
7099 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7101 * testsuite/script_test_2.cc (main): Adjust test.
7103 2008-04-11 David S. Miller <davem@davemloft.net>
7104 Ian Lance Taylor <iant@google.com>
7106 * options.h (General_options): Add entries for '-Y' and
7108 * options.cc (General_options:finalize): If -Y was used, add those
7109 entries to the library path instead of the default "/lib" and
7112 2008-04-11 David S. Miller <davem@davemloft.net>
7114 * testsuite/justsyms.t: Start at 0x100.
7115 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7116 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7118 * testsuite/script_test_2.cc: Adjust string and section length
7121 2008-04-09 Ian Lance Taylor <iant@google.com>
7124 * script-sections.cc (Sections_element::allocate_to_segment): Add
7126 (Output_section_definition::allocate_to_segment): Likewise.
7127 (Orphan_output_section::allocate_to_segment): Likewise.
7128 (Script_sections::attach_sections_using_phdrs_clause): Don't
7129 propagate non-PT_LOAD segments to orphan sections.
7130 * testsuite/Makefile.am (script_test_3.stdout): Generate using
7131 readelf rather than objdump.
7132 * testsuite/script_test_3.sh: Adjust accordingly. Test that
7133 .interp section and PT_INTERP segment are the same size.
7134 * testsuite/Makefile.in: Rebuild.
7136 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7137 aliases for symbols defined in the same object.
7138 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7139 (weak_alias_test_SOURCES): New variable.
7140 (weak_alias_test_DEPENDENCIES): New variable.
7141 (weak_alias_test_LDFLAGS): New variable.
7142 (weak_alias_test_LDADD): New variable.
7143 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7144 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7145 (weak_alias_test_3.o): New target.
7146 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7147 * testsuite/weak_alias_test_main.cc: New file.
7148 * testsuite/weak_alias_test_1.cc: New file.
7149 * testsuite/weak_alias_test_2.cc: New file.
7150 * testsuite/weak_alias_test_3.cc: New file.
7152 2008-04-08 Ian Lance Taylor <iant@google.com>
7154 * options.h (class General_options): Add --noinhibit-exec option.
7155 * main.cc (main): Check --noinhibit-exec.
7157 * options.h (class General_options): Define --wrap as a special
7158 option. Add wrap_symbols_ field.
7159 (General_options::any_wrap_symbols): New function.
7160 (General_options::is_wrap_symbol): New function.
7161 * options.cc (General_options::parse_wrap): New function.
7162 (General_options::General_options): Initialize wrap_symbols_.
7163 * symtab.cc (Symbol_table::wrap_symbol): New function.
7164 (Symbol_table::add_from_object): Handle --wrap.
7165 * symtab.h (class Symbol_table): Declare wrap_symbol.
7166 * target.h (Target::wrap_char): New function.
7167 (Target::Target_info): Add wrap_char field.
7168 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7169 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7170 * testsuite/testfile.cc (Target_test::test_target_info):
7173 * errors.cc (Errors::undefined_symbol): Mention symbol version if
7176 * layout.h (class Layout): Add added_eh_frame_data_ field.
7177 * layout.cc (Layout::Layout): Initialize new field.
7178 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7179 output section until we find a section we merged successfully.
7180 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7181 that the size be non-zero.
7183 * merge.cc (Object_merge_map::get_output_offset): Remove inline
7186 2008-04-08 Craig Silverstein <csilvers@google.com>
7188 * configure.ac: Export new conditional variable HAVE_ZLIB.
7189 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7191 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7192 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7194 2008-04-07 Ian Lance Taylor <iant@google.com>
7196 * version.cc (version_string): Set to "1.5".
7198 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7199 Add issued_non_pic_error_ field. Declare check_non_pic.
7200 (Target_x86_64::Scan::check_non_pic): New function.
7201 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7202 (Target_x86_64::Scan::global): Likewise.
7204 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7205 addend parameter. Change caller. Handle merge sections.
7206 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7207 Address to Addend. Don't add in the result of
7208 local_section_offset, pass down the addend and use the returned
7210 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7211 Update declarations of local_section_offset and symbol_value.
7212 * testsuite/two_file_test_1.cc (t18): New function.
7213 * testsuite/two_file_test_2.cc (f18): New function.
7214 * testsuite/two_file_test_main.cc (main): Call t18.
7215 * testsuite/two_file_test.h (t18, f18): Declare.
7217 * configure.ac: Don't test for objdump, c++filt, or readelf.
7218 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7220 (TEST_READELF): New variable.
7221 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7222 (check_PROGRAMS): Add two_file_strip_test.
7223 (two_file_strip_test): New target.
7224 (check_PROGRAMS): Add two_file_same_shared_strip_test.
7225 (two_file_same_shared_strip_test_SOURCES): New variable.
7226 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7227 (two_file_same_shared_strip_test_LDFLAGS): New variable.
7228 (two_file_same_shared_strip_test_LDADD): New variable.
7229 (two_file_shared_strip.so): New target.
7230 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7231 (ver_test_5.syms, ver_test_7.syms): Likewise.
7232 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7233 (strip_test_3.stdout): Use TEST_OBJDUMP.
7234 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7236 2008-04-04 Cary Coutant <ccoutant@google.com>
7238 * symtab.h (Symbol::is_weak_undefined): New function.
7239 (Symbol::is_strong_undefined): New function.
7240 (Symbol::is_absolute): New function.
7241 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7242 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7244 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7245 (weak_undef_test): New target.
7246 * testsuite/Makefile.in: Rebuild.
7247 * testsuite/weak_undef_file1.cc: New file.
7248 * testsuite/weak_undef_file2.cc: New file.
7249 * testsuite/weak_undef_test.cc: New file.
7251 2008-04-03 Craig Silverstein <csilvers@google.com>
7253 * compressed_output.h (class Output_compressed_section): Use
7255 * compressed_output.cc (zlib_compress): Use unsigned buffers,
7257 (zlib_compressed_suffix): Removed.
7258 (Output_compressed_section::set_final_data_size): Use unsigned
7260 * testsuite/Makefile.am (flagstest_compress_debug_sections):
7261 Fix linker invocation.
7262 (flagstest_o_specialfile_and_compress_debug_sections):
7264 * testsuite/Makefile.in: Regenerated.
7266 2008-04-02 David S. Miller <davem@davemloft.net>
7268 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7269 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7271 2008-04-02 Craig Silverstein <csilvers@google.com>
7275 2008-04-02 Ian Lance Taylor <iant@google.com>
7277 * fileread.cc (File_read::find_view): Add byteshift and vshifted
7278 parameters. Update for new key type to views_. Change all
7280 (File_read::read): Adjust for byteshift in returned view.
7281 (File_read::add_view): New function, broken out of
7283 (File_read::make_view): New function, broken out of
7285 (File_read::find_or_make_view): Add offset and aligned
7286 parameters. Rewrite accordingly. Change all callers.
7287 (File_read::get_view): Add offset and aligned parameters. Adjust
7288 for byteshift in return value.
7289 (File_read::get_lasting_view): Likewise.
7290 * fileread.h (class File_read): Update declarations.
7291 (class File_read::View): Add byteshift_ field. Add byteshift to
7292 constructor. Add byteshift method.
7293 * archive.h (Archive::clear_uncached_views): New function.
7294 (Archive::get_view): Add aligned parameter. Change all callers.
7295 * object.h (Object::get_view): Add aligned parameter. Change all
7297 (Object::get_lasting_view): Likewise.
7299 * fileread.cc (File_read::release): Don't call clear_views if
7300 there are multiple objects.
7301 * fileread.h (File_read::clear_uncached_views): New function.
7302 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7305 2008-03-31 Cary Coutant <ccoutant@google.com>
7307 Add thin archive support.
7308 * archive.cc (Archive::armagt): New const.
7309 (Archive::setup): Remove task parameter and calls to unlock.
7310 (Archive::unlock_nested_archives): New function.
7311 (Archive::read_header): Add nested_off parameter. Change
7313 (Archive::interpret_header): Likewise.
7314 (Archive::include_all_members): Change to handle thin
7316 (Archive::include_member): Likewise.
7317 * archive.h (Archive::Archive): Add new parameters and
7319 (Archive::armagt): New const.
7320 (Archive::setup): Remove task parameter.
7321 (Archive::unlock_nested_archives): New function.
7322 (Archive::read_header): Add nested_off parameter.
7323 (Archive::interpret_header): Likewise.
7324 (Archive::Nested_archive_table): New typedef.
7325 (Archive::is_thin_archive_): New field.
7326 (Archive::nested_archives_): New field.
7327 (Archive::options_): New field.
7328 (Archive::dirpath_): New field.
7329 (Archive::task_): New field.
7330 * readsyms.cc (Read_symbols::do_read_symbols): Add check
7331 for thin archives. Pass additional parameters to
7332 Archive::Archive. Unlock the archive file after calling
7335 2008-03-29 Ian Lance Taylor <iant@google.com>
7337 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7338 version symbol to be local.
7339 * testsuite/ver_test_4.sh: New file.
7340 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7341 (check_DATA): Add ver_test_4.syms.
7342 (ver_test_4.syms): New target.
7343 * testsuite/Makefile.in: Rebuild.
7346 (Output_section::Input_section_sort_entry::has_priority): New
7348 (Output_section::Input_section_sort_entry::match_file_name): New
7350 (Output_section::Input_section_sort_entry::match_section_name):
7352 (Output_section::Input_section_sort_entry::match_section_name_prefix):
7354 (Output_section::Input_section_sort_entry::match_section_file):
7356 (Output_section::Input_section_sort_compare::operator()): Rewrite
7357 using new Input_section_sort_entry functions. Sort crtbegin and
7358 crtend first. Sort sections with no priority before sections with
7360 * testsuite/initpri1.c (d3): Check j != 4.
7361 (cd5): New constructor/destructor function.
7362 (main): Check j != 2.
7364 * symtab.cc (Symbol_table::add_from_object): If we don't use the
7365 new symbol when resolving, don't call set_is_default.
7366 * testsuite/ver_test_7.cc: New file.
7367 * testsuite/ver_test_7.sh: New file.
7368 * testsuite/Makefile.am (ver_test_7.so): New target.
7369 (ver_test_7.o): New target.
7370 (check_SCRIPTS): Add ver_test_7.sh.
7371 (check_DATA): Add ver_test_7.syms.
7372 (ver_test_7.syms): New target.
7374 2008-03-28 Ian Lance Taylor <iant@google.com>
7376 * layout.cc (Layout::layout): If we see an input section with a
7377 name that needs sorting, set the must_sort flag for the output
7379 (Layout::make_output_section): If the name of the output section
7380 indicates that it might require sorting, set the may_sort flag.
7381 * output.h (Output_section::may_sort_attached_input_sections): New
7383 (Output_section::set_may_sort_attached_input_sections): New
7385 (Output_section::must_sort_attached_input_sections): New
7387 (Output_section::set_must_sort_attached_input_sections): New
7389 (class Output_section): Declare Input_section_sort_entry. Define
7390 Input_section_sort_compare. Declare
7391 sort_attached_input_sections. Add new fields:
7392 may_sort_attached_input_sections_,
7393 must_sort_attached_input_sections_,
7394 attached_input_sections_are_sorted_.
7395 * output.cc (Output_section::Output_section): Initialize new
7397 (Output_section::add_input_section): Add an entry to
7398 input_sections_ if may_sort or must_sort are true.
7399 (Output_section::set_final_data_size): Call
7400 sort_attached_input_sections if necessary.
7401 (Output_section::Input_section_sort_entry): Define new class.
7402 (Output_section::Input_section_sort_compare::operator()): New
7404 (Output_section::sort_attached_input_sections): New function.
7405 * configure.ac: Check whether the compiler supports constructor
7406 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
7407 * testsuite/initpri1.c: New file.
7408 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7409 CONSTRUCTOR_PRIORITY.
7410 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7411 (initpri1_LDFLAGS): New variable.
7412 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7414 2008-03-27 Ian Lance Taylor <iant@google.com>
7416 * common.cc (Sort_commons::operator): Correct sorting algorithm.
7417 * testsuite/common_test_1.c: New file.
7418 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7419 (common_test_1_SOURCES): New variable.
7420 (common_test_1_DEPENDENCIES): New variable.
7421 (common_test_1_LDFLAGS): New variable.
7423 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7424 and commons_ correctly when NAME/VERSION does not override
7426 * testsuite/ver_test_6.c: New file.
7427 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7428 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7429 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7431 2008-03-26 Ian Lance Taylor <iant@google.com>
7433 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7434 of an undefined symbol from a version script.
7435 * testsuite/Makefile.am (ver_test_5.so): New target.
7436 (ver_test_5.o): New target.
7437 (check_SCRIPTS): Add ver_test_5.sh.
7438 (check_DATA): Add ver_test_5.syms.
7439 (ver_test_5.syms): New target.
7440 * testsuite/ver_test_5.cc: New file.
7441 * testsuite/ver_test_5.script: New file.
7442 * testsuite/ver_test_5.sh: New file.
7443 * Makefile.in, testsuite/Makefile.in: Rebuild.
7446 Fix problems building gold with gcc 4.3.0.
7447 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7448 (gold_error_at_location, gold_warning_at_location): Use it.
7449 * configure.ac: Check whether we can compile and use a template
7450 function with a printf attribute.
7451 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7452 when jumping over bytes.
7453 * object.cc: Instantiate Object::read_section_data.
7454 * debug.h: Include <cstring>
7455 * dwarf_reader.cc: Include <algorithm>
7456 * main.cc: Include <cstring>.
7457 * options.cc: Include <cstring>.
7458 * output.cc: Include <cstring>.
7459 * script.cc: Include <cstring>.
7460 * script.h: Include <string>.
7461 * symtab.cc: Include <cstring> and <algorithm>.
7462 * target-select.cc: Include <cstring>.
7463 * version.cc: Include <string>.
7464 * testsuite/testmain.cc: Include <cstdlib>.
7465 * configure, config.in: Rebuild.
7467 2008-03-25 Ian Lance Taylor <iant@google.com>
7469 * options.cc: Include "../bfd/bfdver.h".
7470 (options::help): Print bug reporting address.
7472 * version.cc (print_version): Adjust output for current value of
7477 * options.cc (options::help): Print list of supported targets.
7478 * target-select.h: Include <vector>.
7479 (class Target_selector): Make machine_, size_, and is_big_endian_
7480 fields const. Add bfd_name_ and instantiated_target_ fields.
7481 (Target_selector::Target_selector): Add bfd_name parameter.
7482 (Target_selector::recognize): Make non-virtual, call
7484 (Target_selector::recognize_by_name): Make non-virtual, call
7485 do_recognize_by_name.
7486 (Target_selector::supported_names): New function.
7487 (Target_selector::bfd_name): New function.
7488 (Target_selector::do_instantiate_target): New pure virtual
7490 (Target_selector::do_recognize): New virtual function.
7491 (Target_selector::do_recognize_by_name): New virtual function.
7492 (Target_selector::instantiate_target): New private function.
7493 (supported_target_names): Declare.
7494 * target-select.cc (Target_selector::Target_selector): Update for
7495 new parameter and fields.
7496 (select_target_by_name): Check that the name matches before
7497 calling recognize_by_name.
7498 (supported_target_names): New function.
7499 * i386.cc (class Target_selector_i386): Update Target_selector
7500 constructor call. Remove recognize and recognize_by_name. Add
7501 do_instantiate_target.
7502 * x86_64.cc (class Target_selector_x86_64): Likewise.
7503 * testsuite/testfile.cc (class Target_selector_test): Update for
7504 changes to Target_selector.
7506 * README: Rewrite, with some notes on unsupported features.
7508 2008-03-24 Cary Coutant <ccoutant@google.com>
7510 * i386.cc (Target_i386::Got_type): New enum declaration.
7511 (Target_i386::Scan::local): Updated callers of Output_data_got
7513 (Target_i386::Scan::global): Likewise.
7514 (Target_i386::Relocate::relocate): Likewise.
7515 (Target_i386::Relocate::relocate_tls): Likewise.
7516 * object.h (Got_offset_list): New class.
7517 (Sized_relobj::local_has_got_offset): Added got_type parameter.
7518 (Sized_relobj::local_got_offset): Likewise.
7519 (Sized_relobj::set_local_got_offset): Likewise.
7520 (Sized_relobj::local_has_tls_got_offset): Removed.
7521 (Sized_relobj::local_tls_got_offset): Removed.
7522 (Sized_relobj::set_local_tls_got_offset): Removed.
7523 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7524 * output.cc (Output_data_got::add_global): Added got_type parameter.
7525 (Output_data_got::add_global_with_rel): Likewise.
7526 (Output_data_got::add_global_with_rela): Likewise.
7527 (Output_data_got::add_global_pair_with_rel): New function.
7528 (Output_data_got::add_global_pair_with_rela): New function.
7529 (Output_data_got::add_local): Added got_type parameter.
7530 (Output_data_got::add_local_with_rel): Likewise.
7531 (Output_data_got::add_local_with_rela): Likewise.
7532 (Output_data_got::add_local_pair_with_rel): New function.
7533 (Output_data_got::add_local_pair_with_rela): New function.
7534 (Output_data_got::add_global_tls): Removed.
7535 (Output_data_got::add_global_tls_with_rel): Removed.
7536 (Output_data_got::add_global_tls_with_rela): Removed.
7537 (Output_data_got::add_local_tls): Removed.
7538 (Output_data_got::add_local_tls_with_rel): Removed.
7539 (Output_data_got::add_local_tls_with_rela): Removed.
7540 * output.h (Output_data_got::add_global): Added got_type parameter.
7541 (Output_data_got::add_global_with_rel): Likewise.
7542 (Output_data_got::add_global_with_rela): Likewise.
7543 (Output_data_got::add_global_pair_with_rel): New function.
7544 (Output_data_got::add_global_pair_with_rela): New function.
7545 (Output_data_got::add_local): Added got_type parameter.
7546 (Output_data_got::add_local_with_rel): Likewise.
7547 (Output_data_got::add_local_with_rela): Likewise.
7548 (Output_data_got::add_local_pair_with_rel): New function.
7549 (Output_data_got::add_local_pair_with_rela): New function.
7550 (Output_data_got::add_global_tls): Removed.
7551 (Output_data_got::add_global_tls_with_rel): Removed.
7552 (Output_data_got::add_global_tls_with_rela): Removed.
7553 (Output_data_got::add_local_tls): Removed.
7554 (Output_data_got::add_local_tls_with_rel): Removed.
7555 (Output_data_got::add_local_tls_with_rela): Removed.
7556 * resolve.cc (Symbol::override_base_with_special): Removed
7557 reference to has_got_offset_ field.
7558 * symtab.cc (Symbol::init_fields): Replaced initialization
7559 of got_offset_ with got_offsets_. Removed initialization
7561 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7562 (Symbol::got_offset): Likewise.
7563 (Symbol::set_got_offset): Likewise.
7564 (Symbol::has_tls_got_offset): Removed.
7565 (Symbol::tls_got_offset): Removed.
7566 (Symbol::set_tls_got_offset): Removed.
7567 (Symbol::got_offset_): Removed.
7568 (Symbol::tls_mod_got_offset_): Removed.
7569 (Symbol::tls_pair_got_offset_): Removed.
7570 (Symbol::got_offsets_): New field.
7571 (Symbol::has_got_offset): Removed.
7572 (Symbol::has_tls_mod_got_offset): Removed.
7573 (Symbol::has_tls_pair_got_offset): Removed.
7574 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7575 (Target_x86_64::Scan::local): Updated callers of Output_data_got
7577 (Target_x86_64::Scan::global): Likewise.
7578 (Target_x86_64::Relocate::relocate): Likewise.
7579 (Target_x86_64::Relocate::relocate_tls): Likewise.
7581 2008-03-25 Ben Elliston <bje@au.ibm.com>
7583 * yyscript.y: Fix spelling error in comment.
7585 2008-03-24 Ian Lance Taylor <iant@google.com>
7587 * options.h (class General_options): Define build_id option.
7588 * layout.h (class Layout): Declare write_build_id, create_note,
7589 create_build_id. Add build_id_note_ member.
7590 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7591 "libiberty.h", "md5.h", "sha1.h".
7592 (Layout::Layout): Initialize eh_frame_data_,
7593 eh_frame_hdr_section_, and build_id_note_.
7594 (Layout::finalize): Call create_build_id.
7595 (Layout::create_note): New function, broken out of
7596 Layout::create_gold_note.
7597 (Layout::create_gold_note): Call create_note.
7598 (Layout::create_build_id): New function.
7599 (Layout::write_build_id): New function.
7600 (Close_task_runner::run): Call write_build_id.
7602 * x86_64.cc: Correct license to GPLv3.
7604 2008-03-23 Ian Lance Taylor <iant@google.com>
7606 * options.cc: Include "demangle.h".
7607 (parse_optional_string): New function.
7608 (parse_long_option): Handle takes_optional_argument.
7609 (parse_short_option): Update dash_z initializer. Handle
7610 takes_optional_argument.
7611 (General_options::General_options): Initialize do_demangle_.
7612 (General_options::finalize): Set do_demangle_. Handle demangling
7614 * options.h (parse_optional_string): Declare.
7615 (struct One_option): Add optional_arg field. Update constructor.
7616 Update call constructor calls. Add takes_optional_argument
7618 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
7619 (DEFINE_optional_string): Define.
7620 (General_options::demangle): Change from DEFINE_bool to
7621 DEFINE_optional_string.
7622 (General_options::no_demangle): New function.
7623 (General_options::do_demangle): New function.
7624 (General_options::set_do_demangle): New function.
7625 (General_options::execstack_status_): Move definition to end of
7627 (General_options::static_): Likewise.
7628 (General_options::do_demangle_): New field.
7629 * object.cc (big_endian>::get_symbol_location_info): Call
7630 Options::do_demangle, not Options::demangle.
7631 * symtab.cc (demangle): Likewise.
7633 2008-03-22 Ian Lance Taylor <iant@google.com>
7635 * gold.h: Include <cstddef> and <sys/types.h>
7636 * options.h: Include <cstring>.
7638 2008-03-21 Ian Lance Taylor <iant@google.com>
7640 * Added source code to GNU binutils.