Merge remote branch 'origin/master'
[binutils/dougsmingw.git] / gold / ChangeLog
blob5a2aec3812e8924d2d416bbd26e14086d3d7c2c7
1 2010-05-05  Nick Clifton  <nickc@redhat.com>
3         * po/es.po: Updated Spanish translation.
5 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7         * Makefile.am (install-exec-local): Properly install gold as
8         default cross linker.
9         * Makefile.in: Regenerated.
11 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
12             Nick Clifton  <nickc@redhat.com>
14         * configure.ac (install_as_default): Define and set to false
15         unless --enable-gold or --enable-gold=both/gold has been
16         specified.
17         * configure: Regenerate.
19         * Makefile.am (install-exec-local): Install the executable as
20         'ld.gold'.  If install_as_default is true then also install it as
21         'ld'.
22         * Makefile.in: Regenerated.
24 2010-04-24  Ian Lance Taylor  <iant@google.com>
26         * layout.cc (Layout::layout_reloc): In relocatable link don't
27         combine reloc sections for grouped sections.
29 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
31         * gc.h (gc_process_relocs): Pass information on relocs pointing to
32         sections that are not ordinary to icf.
33         * icf.cc (get_section_contents): Handle relocation pointing to section
34         with no object or shndx information.
35         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
36         * testsuite/Makefile.in: Regenerate.
37         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
38         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
40 2010-04-22  Ian Lance Taylor  <iant@google.com>
42         * expression.cc (Expression::Expression_eval_info): Add
43         result_alignment_pointer field.
44         (Expression::eval_with_dot): Add result_alignment_pointer
45         parameter.  Change all callers.
46         (Expression::eval_maybe_dot): Likewise.
47         (class Binary_expression): Add alignment_pointer parameter to
48         left_value and right_value.  Change all callers.
49         (BINARY_EXPRESSION): Set result alignment.
50         (class Trinary_expression): Add alignment_pointer parameter to
51         arg2_value and arg3_value.  Change all callers.
52         (Trinary_cond::value): Set result alignment.
53         (Max_expression::value, Min_expression::value): Likewise.
54         (Align_expression::value): Likewise.
55         * script-sections.cc (class Sections_element): Add dot_alignment
56         parameter to set_section_addresses virtual function.  Update
57         instantiations.
58         (class Output_section_element): Likewise.
59         (Script_sections::create_segments): Add dot_alignment parameter.
60         Change all callers.
61         (Script_sections::create_segments_from_phdrs_clause): Likewise.
62         (Script_sections::set_phdrs_clause_addresses): Likewise.
63         * script-sections.h: Update declarations.
64         * script.h: Update declarations.
65         * output.h (Output_segment::set_minimum_p_align): Don't decrease
66         min_p_align.
67         * testsuite/script_test_3.t: Set large alignment.
68         * testsuite/script_test_3.sh: Make sure that at least one LOAD
69         segment has expected alignment.
71 2010-04-22  Nick Clifton  <nickc@redhat.com>
73         * po/gold.pot: Updated by the Translation project.
74         * po/vi.po: Updated Vietnamese translation.
76 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
78         * testsuite/Makefile.am (check_PROGRAMS): Add
79         icf_virtual_function_folding_test.
80         * testsuite/Makefile.in: Regenerated.
82 2010-04-15  Andrew Haley  <aph@redhat.com>
84         * options.h (merge_exidx_entries): New option.
85         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
86         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
87         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
88         (Target_arm::merge_exidx_entries): New function.
89         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
90         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
91         to Arm_exidx_fixup constructor.
92         Add new arg, merge_exidx_entries.
93         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
94         Arm_output_section::fix_exidx_coverage.
96 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
98         * icf.cc (get_section_contents): Check for preemptible functions.
99         Ignore addend when appropriate.
100         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
101         section folded.
102         (add_from_relobj): Check for section folded.
103         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
104         * symtab.h (should_add_dynsym_entry): Add new parameter.
105         * target-reloc.h (scan_relocs): Check for section folded.
106         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
107         Check reloc types for function pointers in shared objects.
108         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
109         case.
110         (icf_preemptible_functions_test): New test case.
111         (icf_string_merge_test): New test case.
112         * testsuite.Makefile.in: Regenerate.
113         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
114         bar_glob.  Refactor code.
115         * testsuite/icf_preemptible_functions_test.cc: New file.
116         * testsuite/icf_preemptible_functions_test.sh: New file.
117         * testsuite/icf_string_merge_test.cc: New file.
118         * testsuite/icf_string_merge_test.sh: New file.
119         * testsuite/icf_virtual_function_folding_test.cc: New file.
120         * testsuite/icf_virtual_function_folding_test.sh: New file.
122 2010-04-14  Doug Kwan  <dougkwan@google.com>
124         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
125         for local symbol recounting if we remove a section due to ICF.
126         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
127         there are no regular objects in input.
129 2010-04-13  Doug Kwan  <dougkwan@google.com>
131         * arm.cc (Arm_input_section::set_final_data_size): Compute
132         accurate final data size instead of using current data size.
134 2010-04-09  Doug Kwan  <dougkwan@google.com>
136         * layout.cc (Layout::choose_output_section): Handle script section
137         types.
138         (Layout::make_output_section_for_script): Add section type parameter.
139         Handle script section types.
140         * layout.h (Layout::make_output_section_for_script): Add section
141         type parameter.
142         * output.cc (Output_section::Output_section): Initialize data member
143         is_noload_.
144         (Output_section::do_reset_address_and_file_offset): Do not set address
145         to 0 if section is a NOLOAD section.
146         * output.h (Output_section::is_noload): New method.
147         (Output_section::set_is_noload): Ditto.
148         (Output_section::is_noload_): New data member.
149         * script-c.h (Script_section_type): New enum type.
150         (struct Parser_output_section_header): Add new file section_type.
151         * script-sections.cc (Sections_element::output_section_name): Add
152         parameter for returning script section type.
153         (Output_section_definition::output_section_name): Ditto.
154         (Output_section_definition::section_type)P; New method.
155         (Output_section_definiton::script_section_type_name): Ditto.
156         (Output_section_definition::script_section_type_): New data member.
157         (Output_section_definition::Output_section_definition): Initialize
158         data member Output_section_definition::script_section_type_.
159         (Output_section_definition::create_sections): Pass script section type
160         to Layout::make_output_section_for_script.
161         (Output_section_definition::output_section_name): Return script
162         section type to caller.
163         (Output_section_definition::set_section_address): Do not advance
164         dot value and load address if section type is NOLOAD.  Set address
165         of NOLOAD sections regardless of section flags.
166         (Output_section_definition::print): Print section type if it is
167         not SCRIPT_SECTION_TYPE_NONE.
168         (Output_section_definition::section_type): New method.
169         (Output_section_definition::script_section_type_name): Ditto.
170         (Script_sections::output_section_name): Add new parameter
171         PSECTION_TYPE for returning script section type.  Pass it to
172         section elements.  Handle discard sections.
173         (Sort_output_sections::operator()): Handle NOLOAD sections.
174         * script-sections.h (Script_sections::Section_type): New enum type.
175         (Script_sections::output_section_name): Add a new parameter for
176         returning script section type.
177         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
178         INFO and NOLOAD.
179         * yyscript.y (union): Add new field SECTION_TYPE.
180         (COPY, DSECT, INFO, NOLOAD): New tokens.
181         (opt_address_and_section_type): Change type to output_section_header.
182         (section_type): New non-terminal
183         (section_header): Handle section type.
184         (opt_address_and_section_type): Return section type value.
186 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
188         * testsuite/plugin_common_test_1.c (foo): Add prototype.
189         * testsuite/plugin_common_test_2.c (foo): Likewise.
191 2010-04-08  Doug Kwan  <dougkwan@google.com>
193         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
194         Output_merge_data.
195         * output.cc (Output_section::add_merge_input_section): Simplify
196         code and return status of Output_merge_base::add_input_section.
197         Update merge section map only if Output_merge_base::add_input_section 
198         returns true.
200 2010-04-07  Doug Kwan  <dougkwan@google.com>
202         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
203         if section is marked as containing instructions but has no mapping
204         symbols.
205         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
206         correct section index.
207         (Arm_relobj::find_linked_text_section): Ditto.
209 2010-04-07  Cary Coutant  <ccoutant@google.com>
211         * archive.cc (include_member): Destroy Read_symbols_data object before
212         releasing file.
213         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
214         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
215         (Read_symbols_data::~Read_symbols_data) New destructor.
216         (Section_relocs::Section_relocs) New constructor.
217         (Section_relocs::~Section_relocs) New destructor.
218         (Read_relocs_data::Read_relocs_data) New constructor.
219         (Read_relocs_data::~Read_relocs_data) New destructor.
220         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
221         pointers to NULL after deleting.
223 2010-04-07  Doug Kwan  <dougkwan@google.com>
225         * arm.cc: Replace "endianity" with "endianness" in comments.
226         (Arm_exidx_cantunwind): Ditto.
227         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
228         (Arm_relobj::merge_flags_and_attributes): New method.
229         (Arm_relobj::merge_flags_and_attributes_): New data member.
230         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
231         (Arm_relobj::scan_sections_for_stubs): Ditto.
232         (Arm_relobj::do_read_symbols): Check to see if we really want to
233         merge processor-specific flags and attributes.  Exit early if
234         an object is empty except for section names and the undefined symbol.
235         (Target_arm::do_finalize_sections): Move check for ELF format to
236         Arm_relobj::do_read_symbols.  Merge processor specific flags and
237         attributes from a regular object only when we have determined that
238         it is aapropriate.  Do not create an .ARM.attributes section in
239         output if there is no regular input object.
240         (Target_arm::merge_processor_specific_flags): Check
241         --warn-mismatch before printing any error.
242         (Target_arm::merge_object_attributes): Ditto.
243         * gold.cc (queue_middle_tasks): Handle the case in which there is
244         no regular object in input.
245         * options.cc (General_options::parse_EB): New method.
246         (General_options::parse_EL): Same.
247         (General_options::General_options): Initialize endianness_.
248         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
249         New options.
250         (General_options::Endianness): New enum.
251         (General_options::endianness): New method.
252         (General_options::endianness_): New data member.
253         * parameters.cc (Parameters::set_options): Check target endianness.
254         (Parameters::set_target_once): Ditto.
255         (Parameters::check_target_endianness): New method.
256         (parameters_force_valid_target): If either -EL or -EB is specified,
257         use it to define endianness of default target.
258         * parameters.h (Parameters::check_target_endianness): New method
259         declaration.
260         * target.h (class Target): Change "endianity" to "endianness"
261         in comments.
263 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
265         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
266         * configure: Regenerate.
267         * Makefile.in: Regenerate.
268         * testsuite/Makefile.in: Regenerate.
270 2010-04-06  Cary Coutant  <ccoutant@google.com>
272         gcc PR lto/42757
273         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
274         prevailing definitions of common symbols.
275         * testsuite/plugin_test_6.sh: New test case.
276         * testsuite/plugin_common_test_1.c: New test case.
277         * testsuite/plugin_common_test_2.c: New test case.
278         * testsuite/Makefile.am (plugin_test_6): New test case.
279         * testsuite/Makefile.in: Regenerate.
281 2010-04-06  Nick Clifton  <nickc@redhat.com>
283         * po/vi.po: New Vietnamese translation.
285 2010-03-30  Doug Kwan  <dougkwan@google.com>
287         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
289 2010-03-25  Doug Kwan  <dougkwan@google.com>
291         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
292         to avoid a conversion warning on a 32-bit host.
294 2010-03-24  Ian Lance Taylor  <iant@google.com>
296         * testsuite/script_test_3.t: Add a TLS segment.
297         * testsuite/Makefile.am (check_PROGRAMS): Add
298         tls_phdrs_script_test.
299         (tls_phdrs_script_test_SOURCES): Define.
300         (tls_phdrs_script_test_DEPENDENCIES): Define.
301         (tls_phdrs_script_test_LDFLAGS): Define.
302         (tls_phdrs_script_test_LDADD): Define.
303         * testsuite/Makefile.in: Rebuild.
305 2010-03-23  Cary Coutant  <ccoutant@google.com>
307         * fileread.cc (find_or_make_view): Fix comment.
309 2010-03-23  Ian Lance Taylor  <iant@google.com>
311         * script-sections.cc (class Orphan_section_placement): Define
312         PLACE_TLS and PLACE_TLS_BSS.
313         (Orphan_section_placement::Orphan_section_placement): Initialize
314         new places.
315         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
316         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
317         (tls_script_test_SOURCES): Define.
318         (tls_script_test_DEPENDENCIES): Define.
319         (tls_script_test_LDFLAGS): Define.
320         (tls_script_test_LDADD): Define.
321         * testsuite/Makefile.in: Rebuild.
323 2010-03-22  Doug Kwan  <dougkwan@google.com>
325         * arm.cc (Arm_relocate_functions::abs8,
326         Arm_relocate_functions::abs16): Use correct check for overflow
327         specified in the ARM ELF specs.
328         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
329         target of a BLX instruction specially.
330         (Reloc_stub::stub_type_for_reloc): Ditto.
331         (Relocate::relocate): Use symbolic names instead of numeric relocation
332         codes to report error.
333         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
334         workaround.
335         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
336         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
337         thumb2_blx_out_of_range.stdout
338         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
339         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
340         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
341         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
342         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
343         thumb2_blx_in_range, thumb2_blx_in_range.o,
344         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
345         thumb2_blx_out_of_range.o): New rules.
346         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
347         thumb2_blx_in_range and thumb2_blx_out_of_range.
348         * testsuite/Makefile.in: Regenerate.
349         * arm_branch_in_range.sh: Add tests for THUMB BLX.
350         * testsuite/thumb_blx_in_range.s: New file.
351         * testsuite/thumb_blx_out_of_range.s: New file.
353 2010-03-22  Rafael Espindola  <espindola@google.com>
355         * archive.cc (Should_include): Move to archive.h.
356         (should_include_member): Make it a member of Archive.
357         (Lib_group): New.
358         (Add_lib_group_symbols): New.
359         * archive.h: Include options.h.
360         (Archive_member): Moved from Archive.
361         (Should_include): Moved from archive.cc.
362         (Lib_group): New.
363         (Add_lib_group_symbols): New.
364         * dynobj.cc (do_should_include_member): New.
365         * dynobj.h (do_should_include_member): New.
366         * gold.cc (queue_initial_tasks): Update call to queue.
367         * main.cc (main): Print lib group stats.
368         * object.cc (do_should_include_member): New.
369         * object.h: Include archive.h.
370         (Object::should_include_member): New.
371         (Object::do_should_include_member): New.
372         (Sized_relobj::do_should_include_member): New.
373         * options.cc (General_options::parse_start_lib): New.
374         (General_options::parse_end_lib): New.
375         (Input_arguments::add_file): Handle lib groups.
376         (Input_arguments::start_group): Check we are not in a lib.
377         (Input_arguments::start_lib): New.
378         (Input_arguments::end_lib): New.
379         * options.h (General_options): Add start_lib and end_lib.
380         (Input_argument::lib_): New.
381         (Input_argument::lib): New.
382         (Input_argument::is_lib): New.
383         (Input_file_lib): New.
384         (Input_arguments::in_lib_): New.
385         (Input_arguments::in_lib): New.
386         (Input_arguments::start_lib): New.
387         (Input_arguments::end_lib_): New.
388         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
389         in unused members as preempted.
390         (Sized_pluginobj::do_should_include_member): New.
391         * plugin.h (Sized_pluginobj::do_should_include_member): New.
392         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
393         return the blocker.
394         (Read_symbols::do_whole_lib_group): New.
395         (Read_symbols::do_lib_group): New.
396         (Read_symbols::do_read_symbols): Handle lib groups.
397         (Read_symbols::get_name): Handle lib groups.
398         * readsyms.h (Read_symbols): Add an archive member pointer.
399         (Read_symbols::do_whole_lib_group): New.
400         (Read_symbols::do_lib_group): New.
401         (Read_symbols::member_): New.
402         * script.cc (read_input_script): Update call to queue_soon.
404 2010-03-19  Doug Kwan  <dougkwan@google.com>
406         * arm.cc (Stub_table::Stub_table): Initialize new data members
407         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
408         (Stub_table::add_reloc_stub): Assign stub offset and update
409         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
410         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
411         New data members.
412         (Stub_table::update_data_size_and_addralign): Use
413         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
414         instead of going over all reloc stubs.
415         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
416         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
417         Stringpool_template::offset_ to size of Stringpool_char.
418         (Stringpool_template::new_key_offset): Remove code to initialize
419         Stringpool_template::offset_.
420         * stringpool.h (Stringpool_template::set_no_zero_null): Set
421         Stringpool_template::offset_ to zero.
423 2010-03-15  Doug Kwan  <dougkwan@google.com>
425         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
426         offset_.
427         (Stringpool_template::new_key_offset): New method.
428         (Stringpool_template::add_string): Assign offsets when adding new
429         strings.
430         (Stringpool_template::set_string_offsets): Do not set string offsets
431         when not optimizing.
432         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
433         member size_.
434         (Chunked_vector::clear): Clear size_.
435         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
436         (Chunked_vector::size): Return size_.
437         (Chunked_vector::push_back): Use size_ to find insert position.
438         (Chunked_vector::size_): New data member. 
439         (Stringpool_template::set_no_zero_null): Assert string set is empty.
440         (Stringpool_template::new_key_offset): New method declaration.
441         (Stringpool_template::offset_): New data member.
443 2010-03-15   Rafael Espindola  <espindola@google.com>
445         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
446         Add_symbols' constructor.
447         * readsyms.h (Add_symbols): Remove the input_group member.
449 2010-03-10  Ian Lance Taylor  <iant@google.com>
451         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
452         target to ask whether a reference to a symbol requires a stack
453         split.
454         * target.h (Target::is_call_to_non_split): New function.
455         (Target::do_is_call_to_non_split): Declare virtual function.
456         * target.cc: Include "symtab.h".
457         (Target::do_is_call_to_non_split): New function.
458         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
460 2010-03-10  Cary Coutant  <ccoutant@google.com>
462         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
463         (File_read::open[1]): Remove initial mapping of whole_file_view_.
464         (File_read::open[2]): Add whole_file_view_ to list of views.
465         (File_read::make_view): Remove test of whole_file_view_.
466         (File_read::find_or_make_view): Create whole_file_view_ if
467         necessary.
468         (File_read::clear_views): Replace bool parameter with enum;
469         adjust all callers.  Don't delete views with permanent data;
470         do delete cached views and views from archives if
471         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
472         if clearing the corresponding view.
473         * fileread.h (File_read::Clear_views_mode): New enum.
474         (File_read::View::is_permanent_view): New method.
475         (File_read::clear_views): Replace bool parameter
476         with enum; adjust all callers.
477         * options.h (General_options): Change keep_files_mapped option;
478         add map_whole_files.
479         * readsyms.cc (Add_symbols::run): Delete sd_ object before
480         releasing the file.
481         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
482         the file.
484 2010-03-10  David S. Miller  <davem@davemloft.net>
486         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
488 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
490         * icf.cc (get_section_contents): Add '@' marker after processing the
491         merge reloc.
493 2010-03-08  Doug Kwan  <dougkwan@google.com>
495         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
496         due to a conversion warning.
497         (Arm_relobj::update_output_local_symbol_count): Check for local
498         symbol with unset output index.
500 2010-03-05  Ian Lance Taylor  <iant@google.com>
502         * options.h (class General_options): Add --spare-dynamic-tags.
503         * output.cc (Output_data_dynamic::set_final_data_size): Implement
504         --spare-dynamic-tags.
506 2010-03-05  Ian Lance Taylor  <iant@google.com>
508         * incremental.cc: Include "libiberty.h".
510 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
512         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
513         function, is_info_ member.
514         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
515         (Versions::Versions): Update caller.
516         (Versions::define_base_version): Likewise.
517         (Versions::add_def): Likewise.
519 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
521         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
522         (Scan::possible_function_pointer_reloc): New function.
523         (Scan::local_reloc_may_be_function_pointer): Change to call
524         possible_function_pointer_reloc.
525         (Scan::global_reloc_may_be_function_pointer): Ditto.
526         * icf.h (Icf::check_section_for_function_pointers): Change to reject
527         relocations in ".data.rel.ro._ZTV" section.
528         * testsuite/icf_safe_so_test.sh: Change to pass i386.
529         * testsuite/icf_safe_so_test.cc: Ditto.
530         * testsuite/icf_safe_test.cc: Ditto.
531         * testsuite/icf_safe_test.sh: Ditto.
533 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
534             Ian Lance Taylor  <iant@google.com>
536         * target-reloc.h (relocate_section): Check the symbol table index
537         for -1U before setting the local symbol index.
538         (scan_relocatable_relocs): If copying the relocation, record that
539         the local symbol is required.
540         * object.h (Symbol_value::is_output_symtab_index_set): New
541         function.
542         (Symbol_value::may_be_discarded_from_output_symtab): New
543         function.
544         (Symbol_value::has_output_symtab_entry): New function.
545         (Symbol_value::needs_output_symtab_entry): Remove.
546         (Symbol_value::output_symtab_index): Make sure the symbol index is
547         set.
548         (Symbol_value::set_output_symtab_index): Make sure the symbol
549         index is not set.  Make sure the new index is valid.
550         (Symbol_value::set_must_have_output_symtab_entry): New function.
551         (Symbol_value::has_output_dynsym_entry): New function.
552         (Symbol_value::set_output_dynsym_index): Make sure the new index
553         is valid.
554         (Sized_relobj::set_must_have_output_symtab_entry): New function.
555         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
556         local symbol if permitted.
557         (Sized_relobj::do_finalize_local_symbols): Call
558         is_output_symtab_index_set rather than needs_output_symtab_entry.
559         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
560         rather than needs_output_symtab_entry.  Call
561         has_output_dynsym_entry rather than needs_output_dynsym_entry.
562         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
563         is_output_symtab_index_set rather than needs_output_symtab_entry.
564         * testsuite/discard_locals_relocatable_test.c: New file.
565         * testsuite/discard_locals_test.sh: Test -r.
566         * testsuite/Makefile.am (check_DATA): Add
567         discard_locals_relocatable_test1.syms,
568         discard_local_relocatable_test2.syms.
569         (MOSTLYCLEANFILES): Likewise.  Also add
570         discard_locals_relocatable_test1.lout and
571         discard_locals_relocatable_test2.out.
572         (discard_locals_relocatable_test1.syms): New target.
573         (discard_locals_relocatable_test.o): New target.
574         (discard_locals_relocatable_test1.out): New target.
575         (discard_locals_relocatable_test2.syms): New target.
576         (discard_locals_relocatable_test2.out): New target.
577         (various): Add missing ../ld-new dependencies.
578         * testsuite/Makefile.in: Rebuild.
580 2010-03-03  Nick Clifton  <nickc@redhat.com>
582         * po/fi.po: New Finnish translation.
584 2010-03-01  Doug Kwan  <dougkwan@google.com>
586         * layout.cc (Layout::Layout): Force section types of .init_array*,
587         .preinit_array* and .fini_array* sections.
588         * output.cc (Output_section::Input_section_sort_entry::has_priority):
589         Fix check of return value of std::string::find.().
590         (Output_section::Input_section_sort_compare::operator()): Remove
591         comment about .init_array.
592         (Output_section::Input_section_sort_init_fini_compare::operator()):
593         New method.
594         (Output_section::sort_attached_input_sections): Handle .init_array
595         and .fini_array specially.
596         * output.h (Output_section::Inut_section_sort_compare): Update
597         comment.
598         (Output_section::Input_section_sort_init_fini_compare): New struct.
600 2010-02-26  Doug Kwan  <dougkwan@google.com>
602         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
603         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
604         * testsuite/debug_msg.sh: Avoid matching source line number for
605         use of global variable undef_int.
607 2010-02-26  Doug Kwan  <dougkwan@google.com>
609         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
610         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
611         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
612         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
613         * options.cc (General_options::General_options): Initialize member
614         fix_v4bx_.
615         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
616         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
617         and rm_no_fix_v4bx.stdout
618         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
619         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
620         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
621         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
622         and arm_no_fix_v4bx.
623         * Makefile.in: Regenerate.
624         * testsuite/arm_fix_v4bx.s: New file.
625         * testsuite/arm_fix_v4bx.sh: Ditto.
627 2010-02-24  Doug Kwan  <dougkwan@google.com>
629         * arm.cc (Target_arm::got_section): Make the .got section the first
630         non RELRO section in the data segment.
631         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
632         suffixes of section names.
634 2010-02-24  Doug Kwan  <dougkwan@google.com>
636         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
637         flags and attributes merging if an input file is a binary file.
638         * fileread.cc (Input_file::open): Record format of original file.
639         * fileread.h (Input_file::Format): New enum type.
640         (Input_file::Input_file): Initialize data member format_.
641         (Input_file::format): New method definition.
642         (Input_file::format_):: New data member.
644 2010-02-24  Doug Kwan  <dougkwan@google.com>
646         * arm.cc (Arm_output_data_got): New class.
647         (ARM_TCB_SIZE): New constant
648         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
649         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
650         If user uses a script with a SECTIONS clause, issue only a warning
651         for a misplaced EXIDX input section.  Otherwise, issue an error.
652         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
653         garbage collection.
654         (Target_arm::got_mode_index_entry): Handle static linking.
655         (Target_arm::Scan::local): Ditto.
656         (Target_arm::Scan::global): Ditto.
657         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
658         all incorrectly implemented relocations.
659         (Target_arm::fix_exidx_coverage): Pass layout to 
660         Arm_output_section::fix_exidx_coverage.
661         * layout.cc (Layout::section_name_mapping): Remove trailing dots
662         from ".ARM.exidx." and ".ARM.extab.".
664 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
666         * arm.cc (Target_arm::do_finalize_sections): Create attribute
667         section if it does not already exist.
668         * attributes.cc (Attributes_section_data::Attributes_section_data):
669         Don't crash if size is zero.
671 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
672             Ian Lance Taylor  <iant@google.com>
674         * gold.cc (queue_middle_tasks): If no input files were opened,
675         exit.
676         * workqueue.h (Task_function::Task_function): Assert that there is
677         a blocker.
679 2010-02-22  Doug Kwan  <dougkwan@google.com>
681         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
682         * icf.cc (get_section_contents): Cast snprintf arguments to long long
683         types to avoid warnings due to different uint64_t implementations
684         on different hosts.
686 2010-02-21  Doug Kwan  <dougkwan@google.com>
688         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
689         handling of the maximum backward branch offset.
690         (Arm_relocate_functions::thumb_branch_common): Ditto.
691         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
692         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
693         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
694         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
695         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
696         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
697         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
698         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
699         thumb_bl_out_of_range thumb_bl_out_of_range.o,
700         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
701         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
702         thumb2_bl_out_of_range.o): New rules.
703         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
704         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
705         thumb2_bl_out_of_range
706         * testsuite/Makefile.in: Regenerate.
707         * testsuite/arm_bl_in_range.s: New file.
708         * testsuite/arm_bl_out_of_range.s: Ditto.
709         * testsuite/arm_branch_in_range.sh: Ditto.
710         * testsuite/arm_branch_range.t: Ditto.
711         * testsuite/thumb2_branch_range.t: Ditto.
712         * testsuite/thumb_bl_in_range.s: Ditto.
713         * testsuite/thumb_bl_out_of_range.s: Ditto.
714         * testsuite/thumb_branch_range.t: Ditto.
716 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
718         * gc.h (gc_process_relocs): Change vectors to point to the new list.
719         Add reloc offset information.
720         * icf.cc (get_section_contents): Change iterators to point to the new
721         vectors. Add reloc offset information to the contents.
722         * icf.h (Icf::Sections_reachable_info): New typedef.
723         (Icf::Sections_reachable_list): New typedef.
724         (Icf::Offset_info): New typedef.
725         (Icf::Reloc_info): New struct typedef.
726         (Icf::Reloc_info_list): New typedef.
727         (Icf::symbol_reloc_list): Delete method.
728         (Icf::addend_reloc_list): Delete method.
729         (Icf::section_reloc_list): Delete method.
730         (Icf::reloc_info_list): New method.
731         (Icf::reloc_info_list_): New member.
733 2010-02-19  Doug Kwan  <dougkwan@google.com>
735         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
736         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
737         * arm.cc (Arm_relocation_functions): New forward declaration.
738         (Target_arm::Target_arm): Initialize new data members
739         got_mod_index_offset_ and tls_base_symbol_defined_.
740         (Target_arm::Relocate::relocate_tls): New method.
741         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
742          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
743         New methods.
744         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
745         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
746         (Target_arm::got_mod_index_offset_,
747         Target_arm::tls_base_symbol_defined_): New data members.
748         (Target_arm::Scan::local, Target::Scan::global,
749         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
750         relocations.
752 2010-02-18  Doug Kwan  <dougkwan@google.com>
754         * arm.cc (Arm_relobj::find_linked_text_section): New method.
755         (Arm_relobj::make_exidx_input_section): Pass section index of linked
756         text section as a parameter becuase some broken tools may not set
757         the link in section header.
758         (Target_arm::has_got_section): New method.
759         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
760         without any mapping symbol as data only.  Remove warning.
761         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
762         link in its section header, try to discover the link by inspecting the
763         REL31 relocation at the beginning of the section.
764         (Target_arm::Scan::check_non_pic): Report name of offending relocation
765         in error message.
766         (Target_arm::Scan::global): Treat any reference to the symbol
767         _GLOBAL_OFFSET_TABLE_ as a GOT access.
769 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
771         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
772         (Scan::global_reloc_may_be_function_pointer): New function.
773         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
774         (Scan::global_reloc_may_be_function_pointer): New function.
775         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
776         (Scan::global_reloc_may_be_function_pointer): New function.
777         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
778         (Scan::global_reloc_may_be_function_pointer): New function.
779         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
780         (Scan::global_reloc_may_be_function_pointer): New function.
781         (Scan::possible_function_pointer_reloc): New function.
782         (Target_x86_64::can_check_for_function_pointers): New function.
783         * gc.h (gc_process_relocs): Scan relocation types to determine if
784         function pointers were taken for targets that support it.
785         * icf.cc (Icf::find_identical_sections): Include functions for
786         folding in safe ICF whose pointer is not taken.
787         * icf.h (Secn_fptr_taken_set): New typedef.
788         (fptr_section_id_): New member.
789         (section_has_function_pointers): New function.
790         (set_section_has_function_pointers): New function.
791         (check_section_for_function_pointers): New function.
792         * options.h: Fix comment for safe ICF option.
793         * target.h (can_check_for_function_pointers): New function.
794         * testsuite/Makefile.am: Add icf_safe_so_test test case.
795         Modify icf_safe_test for X86-64.
796         * testsuite/Makefile.in: Regenerate.
797         * testsuite/icf_safe_so_test.cc: New file.
798         * testsuite/icf_safe_so_test.sh: New file.
799         * testsuite/icf_safe_test.cc (kept_func_3): New function.
800         (main): Change to take pointer to function kept_func_3.
801         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
802         folding is done correctly for X86-64.
804 2010-02-12  David S. Miller  <davem@davemloft.net>
806         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
807         is_symbolless parameter.
808         (Output_reloc<SHT_REL>::is_symbolless): New.
809         (Output_reloc<SHT_REL>::is_symbolless_): New.
810         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
811         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
812         (Output_reloc<SHT_RELA>::is_symbolless): New.
813         (Output_data_reloc::add_global): Handle is_symbolless.
814         (Output_data_reloc::add_global_relative): Likewise.
815         (Output_data_reloc::add_local): Likewise.
816         (Output_data_reloc::add_local_relative): Likewise.
817         (Output_data_reloc::add_symbolless_global_addend): New.
818         (Output_data_reloc::add_symbolless_local_addend): New.
819         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
820         is_symbolless.
821         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
822         instead of ->is_relative_
823         (Output_reloc::write): Likewise.
824         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
825         (Output_reloc::write_rel): Simplify.
827         * sparc.cc (Target_sparc::Scan::local): Use
828         ->add_symbolless_local_addend as needed.
829         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
830         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
831         based upon relocation offset.
833 2010-02-11  Doug Kwan  <dougkwan@google.com>
835         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
836         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
837         beginning of function.
838         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
839         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
840         parameter is_32bit in calls to should_apply_static_reloc.
841         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
842         (check_DATA): Add arm_abs_global.stdout.
843         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
844         arm_abs_global.stdout): New rules.
845         (MOSTLLYCLEANFILES): Add arm_abs_global
846         * Makefile.in: Regenerate.
847         * testsuite/arm_abs_global.s: New file.
848         * testsuite/arm_abs_global.sh: Ditto.
849         * testsuite/arm_abs_lib.s: Ditto.
851 2010-02-11  Ian Lance Taylor  <iant@google.com>
853         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
854         Read_relocs task.
855         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
856         Allocate_commons_task first.
857         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
858         task, rather than symtab_lock_.
859         (Gc_process_relocs::~Gc_process_relocs): New function.
860         (Gc_process_relocs::is_runnable): Check this_blocker_.
861         (Gc_process_relocs::locks): Use next_blocker_ rather than
862         blocker_.
863         (Scan_relocs::~Scan_relocs): New function.
864         (Scan_relocs::is_runnable): Check this_blocker_ rather than
865         symtab_lock_.
866         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
867         next_blocker_.
868         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
869         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
870         constructor accordingly.
871         (class Gc_process_relocs): Likewise.
872         (class Scan_relocs): Likewise.
873         * common.h (class Allocate_commons_task): Remove symtab_lock_
874         field, and corresponding constructor parameter.
875         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
876         symtab_lock_.
877         (Allocate_commons_task::locks): Likewise.
879 2010-02-11  Ian Lance Taylor  <iant@google.com>
881         * gold-threads.h (class Once): Define.
882         (class Initialize_lock): Rewrite as child of Once.
883         * gold-threads.cc (class Once_initialize): Define.
884         (once_pointer_control): New static variable.
885         (once_pointer, once_arg): New static variables.
886         (c_run_once): New static function.
887         (Once::Once, Once::run_once, Once::internal_run): New functions.
888         (class Initialize_lock_once): Remove.
889         (initialize_lock_control): Remove.
890         (initialize_lock_pointer): Remove.
891         (initialize_lock_once): Remove.
892         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
893         (Initialize_lock::initialize): Rewrite.
894         (Initialize_lock::do_run_once): New function.
895         * archive.cc (Archive::interpret_header): Only clear name if it is
896         not already empty.
897         * fileread.cc: Include "gold-threads.h"
898         (file_counts_lock): New static variable.
899         (file_counts_initialize_lock): Likewise.
900         (File_read::release): Only increment counts when using --stats.
901         Use a lock around the increment.
902         * parameters.cc (class Set_parameters_target_once): Define.
903         (set_parameters_target_once): New static variable.
904         (Parameters::Parameters): Move here from parameters.h.
905         (Parameters::set_target): Rewrite.
906         (Parameters::set_target_once): New function.
907         (Parameters::clear_target): Move here and rewrite.
908         * parameters.h (class Parameters): Update declarations.  Add
909         set_parameters_target_once_ field.
910         (Parameters::Parameters): Move to parameters.cc.
911         (Parameters::clear_target): Likewise.
912         * readsyms.cc (Read_symbols::do_group): Create a Start_group
913         task.
914         (Start_group::~Start_group): New function.
915         (Start_group::is_runnable): New function.
916         (Start_group::locks, Start_group::run): New functions.
917         (Finish_group::run): Change saw_undefined to size_t.
918         * readsyms.h (class Start_group): Define.
919         (class Finish_group): Change saw_undefined_ field to size_t.
920         (Finish_group::Finish_group): Remove saw_undefined and
921         this_blocker parameters.  Change all callers.
922         (Finish_group::set_saw_undefined): New function.
923         (Finish_group::set_blocker): New function.
924         * symtab.h (class Symbol_table): Change saw_undefined to return
925         size_t.  Change saw_undefined_ field to size_t.
926         * target-select.cc (Set_target_once::do_run_once): New function.
927         (Target_selector::Target_selector): Initialize set_target_once_
928         field.  Don't initialize lock_ and initialize_lock_ fields.
929         (Target_selector::instantiate_target): Rewrite.
930         (Target_selector::set_target): New function.
931         * target-select.h (class Set_target_once): Define.
932         (class Target_selector): Update declarations.  Make
933         Set_target_once a friend.  Remove lock_ and initialize_lock_
934         fields.  Add set_target_once_ field.
936 2010-02-10  Ian Lance Taylor  <iant@google.com>
938         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
939         queueing any tasks.
940         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
941         (queue_middle_tasks): Add all blockers before queueing any tasks.
942         (queue_final_tasks): Likewise.
943         * token.h (Task_token::add_blockers): New function.
944         * object.h (Input_objects::number_of_relobjs): New function.
946 2010-02-10  Ian Lance Taylor  <iant@google.com>
948         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
949         shared, not if not position independent.
950         * x86_64.cc (Relocate::relocate_tls): Likewise.
951         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
952         (tls_pie_pic_test): New target.
953         * testsuite/Makefile.in: Rebuild.
955         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
956         (tls_test_main_pie.o, tls_test_pie.o): New targets.
957         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
958         * testsuite/Makefile.in: Rebuild.
960 2010-02-09  David S. Miller  <davem@davemloft.net>
962         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
963         R_SPARC_RELATIVE using ->add_local_relative().
964         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
966         * output.h (Output_data_dynamic::add_section_size): New method
967         that takes two Output_data objects.
968         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
969         entry param.  Handle it in initializers.
970         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
971         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
972         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
973         arg.
974         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
975         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
976         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
977         for dynrel_includes_plt.
978         * i386.cc (Target_i386::do_finalize_sections): Likewise.
979         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
980         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
981         before .rela.plt
982         (Target_sparc::do_finalize_sections): Update to pass true for
983         dynrel_includes_plt.
984         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
985         output before .rela.plt
986         (Target_powerpc::do_finalize_sections): Update to pass true for
987         dynrel_includes_plt when 32-bit.
989 2010-02-08  Doug Kwan  <dougkwan@google.com>
991         * arm.cc (Arm_relobj::simple_input_section_output_address): New
992         method.
993         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
994         Arm_relobj::scan_section_for_cortex_a8_stubs,
995         Arm_relobj::do_relocation_section): Instead of calling
996         Output_section::output_address, use faster
997         Arm_relobj::simple_input_section_output_address.
999 2010-02-08  David S. Miller  <davem@davemloft.net>
1001         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1002         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1003         relocation helper function.
1005         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1006         just like R_SPARC_GOT{10,13,22}.
1007         (Target_sparc::Scan::local): Likewise.
1008         (Target_sparc::Relocate:relocate): Likewise.
1010 2010-02-06  Ian Lance Taylor  <iant@google.com>
1012         * configure.ac: Rewrite targetobjs duplicate removal code to use
1013         only shell constructs.
1014         * configure: Rebuild.
1016 2010-02-05  Doug Kwan  <dougkwan@google.com>
1018         PR 11247
1019         * arm.cc (Arm_relobj::section_is_scannable): New method.
1020         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1021         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1023 2010-02-04  Doug Kwan  <dougkwan@google.com>
1025         PR 11247
1026         * arm-reloc-property.cc (cstdio): Include.
1027         * configure.ac (targetobjs): Remove duplicates.
1028         * configure: Regenerate.
1029         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1030         big and little endian version for a given address size.
1032 2010-02-03  Doug Kwan  <dougkwan@google.com>
1034         * arm-reloc-property.cc
1035         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1036         definition.
1037         * arm-reloc-property.h
1038         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1039         New method definition.
1040         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1041         declaration.
1042         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1043         overflow to N.
1044         (GOT_PREL): Change implemented to Y.
1045         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1046         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1047         (Arm_relocate_functions::movw_abs_nc): Remove method.
1048         (Arm_relocate_functions::movt_abs): Ditto.
1049         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1050         (Arm_relocate_functions::thm_movt_abs): Ditto.
1051         (Arm_relocate_functions::movw_rel_nc): Ditto.
1052         (Arm_relocate_functions::movw_rel): Ditto.
1053         (Arm_relocate_functions::movt_rel): Ditto.
1054         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1055         (Arm_relocate_functions:thm_movw_rel): Ditto.
1056         (Arm_relocate_functions:thm_movt_rel): Ditto.
1057         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1058         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1059         New method definitions.
1060         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1061         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1062         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1063         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1064         (Target_arm::Relocate::relocate): Check for non-static or
1065         unimplemented relocation code and exit early.  Change calls to
1066         Target_arm::reloc_uses_thumb_bit and
1067         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1068         instead.  Refactor code to handle similar relocations to increase
1069         code sharing.  Remove check for unsupported relocation code in switch
1070         statement.
1071         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1072         relocation property table to find out size.  Change error message to
1073         print out the name of a relocation code instead of the numeric value.
1074         (Target_arm::scan_reloc_for_stub): Use relocation property table
1075         instead of calling Target_arm::reloc_uses_thumb_bit().
1077 2010-02-02  Doug Kwan  <dougkwan@google.com>
1079         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1080         types of relaxed input section.
1082 2010-02-02  Doug Kwan  <dougkwan@google.com>
1084         * Makefile.am (HFILES): Add arm-reloc-property.h.
1085         (DEFFILES): New.
1086         (TARGETSOURCES): Add arm-reloc-property.cc
1087         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1088         (libgold_a_SOURCES): $(DEFFILES)
1089         * Makefile.in: Regenerate.
1090         * arm-reloc-property.cc: New file.
1091         * arm-reloc-property.h: New file.
1092         * arm-reloc.def: New file.
1093         * arm.cc: Update comments.
1094         (arm-reloc-property.h): New included header.
1095         (arm_reloc_property_table): New global variable.
1096         (Target_arm::do_select_as_default_target): New method definition.
1097         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1098         arm-reloc-property to targ_extra_obj.
1099         * parameters.cc (set_parameters_target): Call
1100         Target::select_as_default_target().
1101         * target.h (Target::select_as_default_target): New method definition.
1102         (Target::do_select_as_default_target): Same.
1104 2010-02-01  Doug Kwan  <dougkwan@google.com>
1106         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1107         first_output_text_section_.
1108         (Arm_exidx_fixup::first_output_text_section): New method definition.
1109         (Arm_exidx_fixup::first_output_text_section_): New data member.
1110         (Arm_exidx_fixup::process_exidx_section): Record the first text
1111         output section seen.
1112         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1113         and entsize in output section header.
1115 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1117         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1118         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1119         (Arm_relocate_functions::thm_alu11): New Method.
1120         (Arm_relocate_functions::thm_pc8): New Method.
1121         (Arm_relocate_functions::thm_pc12): New Method.
1122         (Target_arm::Scan::local): Handle the relocations.
1123         (Target_arm::Scan::global): Likewise.
1124         (Target_arm::Relocate::relocate): Likewise.
1125         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1127 2010-01-29  Doug Kwan  <dougkwan@google.com>
1129         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1130         of relocation types as ld.
1132 2010-01-29  Doug Kwan  <dougkwan@google.com>
1134         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1135         to public.
1136         (Arm_relocate_functions::thumb_branch_common): Ditto.
1137         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1138         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1139         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1140         Arm_relocate_functions::jump24): Remove.
1141         (Target_arm::Relocate::relocate): Adjust code to call
1142         Arm_relocation_functions::arm_branch_common and
1143         Arm_relocation_functions::thumb_branch_common instead of their removed
1144         wrappers.  Merge switch-cases together to reduce source code size.  
1146 2010-01-29  Doug Kwan  <dougkwan@google.com>
1148         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1149         output_local_symbol_count_needs_update_.
1150         (Arm_relobj::output_local_symbol_count_needs_update,
1151          Arm_relobj::set_output_local_symbol_count_needs_update,
1152          Arm_relobj::update_output_local_symbol_count): New methods.
1153         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1154         member.
1155         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1156         of pointed function as in a R_ARM_PREL31 relocation.
1157         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1158         for output local symbol count updating.
1159         (Target_arm::do_relax): Update output local symbol counts in objects
1160         if necessary.
1161         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1163 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1165         * arm.cc: Added support for the ARM relocations:
1166         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1167         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1168         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1169         movw_prel_nc).
1170         (Arm_relocate_functions::movw_rel): New method.
1171         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1172         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1173         thm_movw_prel_nc).
1174         (Arm_relocate_functions::thm_movw_rel): New method.
1175         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1176         thm_movt_prel).
1177         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1178         relocations.
1179         (Target_arm::Scan::global): Likewise.
1180         (Target_arm::Relocate::relocate): Likewise.
1181         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1182         Likewise.
1184 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1186         * arm.cc: Added support for ARM group relocations.
1187         (Target_arm::reloc_needs_sym_origin): New method.
1188         (Arm_relocate_functions::calc_grp_kn): New method.
1189         (Arm_relocate_functions::calc_grp_residual): New method.
1190         (Arm_relocate_functions::calc_grp_gn): New method.
1191         (Arm_relocate_functions::arm_grp_alu): New Method.
1192         (Arm_relocate_functions::arm_grp_ldr): New Method.
1193         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1194         (Arm_relocate_functions::arm_grp_ldc): New Method.
1195         (Target_arm::Scan::local): Handle the ARM group relocations.
1196         (Target_arm::Scan::global): Likewise.
1197         (Target_arm::Relocate::relocate): Likewise.
1198         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1199         Likewise.
1201 2010-01-26  Doug Kwan  <dougkwan@google.com>
1203         * arm.cc (set): Include.
1204         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1205         pointer type.
1206         (Arm_output_section::Text_section_list): New type.
1207         (Arm_output_section::append_text_sections_to_list): New method.
1208         (Arm_output_section::fix_exidx_coverage): Ditto.
1209         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1210         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1211         Relobj::set_section_offset() instead of
1212         Sized_relobj::invalidate_section_offset().
1213         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1214         parameter for section headers. Ignore relocation sections for
1215         unallocated sections and EXIDX sections.
1216         (Target_arm::fix_exidx_coverage): New method.
1217         (Target_arm::output_section_address_less_than): New type.
1218         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1219         linked text section instead of the EXIDX section.
1220         (Arm_output_section::create_stub_group): Add an assertion to check
1221         that this is not an EXIDX output section.
1222         (Arm_output_section::append_text_sections_to_list): New method.
1223         (Arm_output_section::fix_exidx_coverage): Ditto.
1224         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1225         Arm_relobj::section_needs_reloc_stub_scanning.
1226         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1227         first pass.
1228         (Target_arm::fix_exidx_coverage): New method.
1229         * object.h (Relobj::set_output_section): New method.
1230         (Sized_relobj::invalidate_section_offset): Remove method.
1231         (Sized_relobj::do_invalidate_section_offset): Remove method.
1232         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1234 2010-01-25  Doug Kwan  <dougkwan@google.com>
1236         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1237         Fix warning due to signed and unsigned comparison on a 32-bit host.
1239 2010-01-22  Doug Kwan  <dougkwan@google.com>
1241         * arm.cc (Target_arm::do_relax): Record an output section for section
1242         offset adjustment it contains any stub table that has changed.
1243         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1244         offsets in an output section if necessary.
1245         * output.cc (Output_section::Output_section): Initialize
1246         section_offsets_need_adjustments_.
1247         (Output_section::add_input_section_for_script): Renamed to
1248         Output_section::add_simple_input_section.
1249         (Output_section::save_states): Add a comment.
1250         (Output_section::discard_states): New method defintion.
1251         (Output_section::adjust_section_offsets): Same.
1252         * output.h (Output_section::add_input_section_for_script): Renamed to
1253         Output_section::add_simple_input_section.
1254         (Output_section::discard_states): New method declaration.
1255         (Output_section::adjust_section_offsets): Same.
1256         (Output_section::section_offsets_need_adjustment,
1257         Output_section::set_section_offsets_need_adjustment): New method
1258         definitions.
1259         (Output_section::section_offsets_need_adjustment_): New data member.
1260         * script-sections.cc
1261         (Output_section_element_input::set_section_address): Adjust code for
1262         renaming of Output_section::add_input_section_for_script.
1263         (Orphan_output_section::set_section_address): Same.
1265 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1267         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1268         Fix_v4bx enum values .
1269         * gold/options.h (General_options): New option definitions.
1270         (General_options::fix_v4bx): New method.
1271         (General_options::Fix_v4bx): New enum.
1272         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1273         (General_options::parse_fix_v4bx_interworking): New method.
1275 2010-01-22  Doug Kwan  <dougkwan@google.com>
1277         * arm.cc (Arm_exidx_fixup): New class.
1279 2010-01-21  Doug Kwan  <dougkwan@google.com>
1281         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1282         classes.
1283         (Arm_exidx_section_offset_map): New type.
1285 2010-01-21  Doug Kwan  <dougkwan@google.com>
1287         * arm.cc (Arm_exidx_input_section): New class.
1288         (Arm_relobj::exidx_input_section_by_link,
1289         Arm_relobj::exidx_input_section_by_shndx,
1290         Arm_relobj::make_exidx_input_section): New methods.
1291         (read_arm_attributes_section): Remove.
1292         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1293         information about them.
1294         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1295         to here.
1297 2010-01-20  Doug Kwan  <dougkwan@google.com>
1299         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1300         Input_section_specifier to Section_id.
1301         (Target_arm::new_arm_input_section: Adjust code for change of key
1302         type.
1303         (Target_arm::find_arm_input_section): Ditto.
1304         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1305         (Section_id): Remove.
1306         (Garbage_collection::Section_id_hash): Remove.
1307         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1308         (Section_id): Remove.
1309         (Icf::Section_id_hash): Remove.
1310         * object.h (Section_id, Const_section_id, Section_id_hash,
1311         Const_section_id_hash): New type definitions.
1312         * output.cc (Output_section::add_relaxed_input_section): Change to
1313         use Const_section_id instead of Input_section_specifier as key type.
1314         (Output_section::add_merge_input_section): Ditto.
1315         (Output_section::build_relaxation_map): Change to use Section_id
1316         instead of Input_section_specifier as key type.
1317         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1318         Ditto.
1319         (Output_section::convert_input_sections_to_relaxed_sections): Change
1320         to use Const_section_id instead of Input_section_specifier as key type.
1321         (Output_section::find_merge_section): Ditto.
1322         (Output_section::find_relaxed_input_section): Ditto.
1323         * output.h (Input_section_specifier): Remove class.
1324         (Output_section::Output_section_data_by_input_section_map): Change
1325         key type to Const_section_id.
1326         (Output_section::Output_relaxed_input_section_by_input_section_map):
1327         Ditto.
1328         (Output_section::Relaxation_map): Change key type to Section_id.
1330 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1332         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1333         (class Arm_v4bx_stub): New class.
1334         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1335         (Stub_factory::make_arm_v4bx_stub): New method.
1336         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1337         (Stub_table::empty): Handle v4bx stubs.
1338         (Stub_table::add_arm_v4bx_stub): New method.
1339         (Stub_table::find_arm_v4bx_stub): New method.
1340         (Arm_relocate_functions::v4bx): New method.
1341         (Target_arm::fix_v4bx): New method.
1342         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1343         (Stub_table::relocate_stubs): Likewise.
1344         (Stub_table::do_write): Likewise.
1345         (Stub_table::update_data_size_and_addralign): Likewise.
1346         (Stub_table::finalize_stubs):  Likewise.
1347         (Target_arm::Scan::local): Likewise.
1348         (Target_arm::Scan::global): Likewise.
1349         (Target_arm::do_finalize_sections): Likewise.
1350         (Target_arm::Relocate::relocate): Likewise.
1351         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1352         Likewise.
1353         (Target_arm::scan_reloc_for_stub): Likewise.
1354         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1356 2010-01-19  Ian Lance Taylor  <iant@google.com>
1358         * output.cc (Output_section_headers::do_sized_write): Write large
1359         segment count to sh_info field.
1360         (Output_file_header::do_sized_write): For large segment count,
1361         write PN_XNUM to e_phnum field.
1363 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1365         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1366         (Arm_relocate_functions::thm_jump8): New function.
1367         (Arm_relocate_functions::thm_jump11): New function.
1368         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1369         R_ARM_THM_JUMP11.
1370         (Target_arm::Scan::global): Likewise.
1371         (Target_arm::Relocate::relocate): Likewise.
1372         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1373         Likewise.
1375 2010-01-14  Doug Kwan  <dougkwan@google.com>
1377         * arm.cc (map, utility): Include headers.
1378         (Target_arm::apply_cortex_a8_workaround): New method.
1379         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1380         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1381         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1382         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1383         the --[no-]fix-cortex-a8 command line options.
1384         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1385         (Target_arm::relocate_stub): Use addend in instruction template.
1386         * options.h (DEFINE_bool): Set the user-set flag.
1387         (General_options): Add --[no-]-fix-cortex options.
1388         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1389         : Update fast look-up map after conversion. 
1391 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1393         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1394         in the first pass of do_layout.
1396 2010-01-13  Doug Kwan  <dougkwan@google.com>
1398         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1399         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1400         apparent compiler problem of not folding static constant integral
1401         data members of elfcpp::Elf_sizes<32>.
1403 2010-01-13  Doug Kwan  <dougkwan@google.com>
1405         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1406         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1407         Arm_relobj::scan_section_for_cortex_a8_erratum,
1408         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1409         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1410         sections to scan for relocation stubs into a new method
1411         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1412         relocation and Cortex-A8 stub scanning.
1413         (Target_arm::do_relax): Force stubs to be after stubbed sections
1414         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1415         the beginning of a new relaxation pass.  Update a comment. 
1416         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1418 2010-01-12  Ian Lance Taylor  <iant@google.com>
1420         * target-reloc.h (visibility_error): New inline function.
1421         (relocate_section): Call visibility_error.
1422         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1423         (MOSTLYCLEANFILES): Likewise.
1424         (protected_4_pic.o, protected_3.err): New targets.
1425         * testsuite/protected_4.cc: New file.
1427 2010-01-12  Doug Kwan  <dougkwan@google.com>
1429         * arm.cc (Cortex_a8_reloc): New class.
1430         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1431         and cortex_a8_relocs_info_.
1432         (Target_arm::fix_cortex_a8): New method definition.
1433         (Target_arm::Cortex_a8_relocs_info): New type.
1434         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1435         New data member declarations.
1436         (Target_arm::scan_reloc_for_stub): Record information about
1437         relocations for THUMB branches that might be exempted from the
1438         Cortex-A8 workaround.
1439         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1440         at the beginning of a relaxation pass.
1442 2010-01-12  Doug Kwan  <dougkwan@google.com>
1444         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1445         (Arm_relobj::Mapping_symbol_position,
1446          Arm_reloj::Mapping_symbol_position_less,
1447          Arm_relobj::Mapping_symbols_info): New types.
1448         (Target_arm::is_mapping_symbol_name): New method definition.
1449         (Arm_relobj::do_count_local_symbols): Save information about mapping
1450         symbols.
1452 2010-01-11  Doug Kwan  <dougkwan@google.com>
1454         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1455         Arm_relocate_functions::thumb32_branch_upper,
1456         Arm_relocate_functions::thumb32_branch_lower,
1457         Arm_relocate_functions::thumb32_cond_branch_offset,
1458         Arm_relocate_functions::thumb32_cond_branch_upper,
1459         Arm_relocate_functions::thumb32_cond_branch_lower,
1460         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1461         branch offset encoding.
1462         (Arm_relocate_functions::thumb_branch_common): Use new branch
1463         offset encoding methods to avoid code duplication.
1464         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1465         (Stub_addend_reader::operator()): Use new branch encoding method
1466         to avoid code duplication.
1468 2010-01-11  Doug Kwan  <dougkwan@google.com>
1470         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1471         (Target_arm::do_finalize_sections): Define special EXIDX section
1472         symbols only if referenced.
1473         * gc.h (Garbage_collection::add_reference): New method.
1474         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1475         code duplication.
1477 2010-01-11  Ian Lance Taylor  <iant@google.com>
1479         * script.cc (Version_script_info::build_expression_list_lookup):
1480         Change complaing about duplicate wildcard match from error to
1481         warning.
1483         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1484         of 2009-12-30.
1485         (Version_script_info::Version_script_info): Initialize globs_,
1486         default_version_, default_is_global_, and exact_.  Don't
1487         initialize globals_ or locals_.
1488         (Version_script_info::build_lookup_tables): Build local symbols
1489         first.
1490         (Version_script_info::unquote): New function.
1491         (Version_script_info::add_exact_match): New function.
1492         (Version_script_info::build_expression_list_lookup): Remove lookup
1493         parameter.  Add is_global parameter.  Change all callers.  Handle
1494         wildcard pattern specially.  Unquote pattern.  Call
1495         add_exact_match.
1496         (Version_script_info::get_name_to_match): New function.
1497         (Version_script_info::get_symbol_version): New function.
1498         (Version_script_info::get_symbol_version_helper): Remove.
1499         (Version_script_info::check_unmatched_names): Call unquote.
1500         * script.h (class Version_script_info): Change get_symbol_version
1501         to be non-inline and add is_global parameter; change all callers.
1502         Rewrite symbol_is_local.  Update declarations.  Define struct
1503         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1504         Remove globals_ and locals_ members.  Add exact_, globs_,
1505         default_version_, is_global_.
1506         (Version_script_info::Glob): Remove pattern, add expression and
1507         is_global.  Update constructor.  Change all callers.
1508         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1509         default version.
1510         (Versions::symbol_section_contents): If a symbol is undefined, or
1511         defined in a dynamic object, set the version index to
1512         VER_NDX_LOCAL.
1513         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1514         symbol_is_local.
1515         (Symbol_table::add_from_pluginobj): Likewise.
1516         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1518 2010-01-11  Doug Kwan  <dougkwan@google.com>
1520         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1521         (incremental_dump_LDADD): Add linking option for libintl.
1522         * Makefile.in: Regenerate.
1524 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1526         PR gold/11144
1527         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1528         instead of -Ds.
1529         * testsuite/Makefile.in: Regenerated.
1531 2010-01-10  Doug Kwan  <dougkwan@google.com>
1533         * options.h (DEFINE_var): Use parentheses around argument varname__
1534         in macro body to avoid any unintended subsequent substitutions.
1536 2010-01-10  Ian Lance Taylor  <iant@google.com>
1538         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1539         candidates before doing symbol resolution.
1541         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1542         ODR candidates if only one is weak.
1544 2010-01-08  Ian Lance Taylor  <iant@google.com>
1546         * script.cc (Version_script_info::build_expression_list_lookup):
1547         Don't warn about ambiguous version, just record the ambiguity.
1548         (Version_script_info::get_symbol_version_helper): Give error if
1549         version is ambiguous.
1551 2010-01-08  Doug Kwan  <dougkwan@google.com>
1553         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1554           prev_data_size_ and prev_addralign_.  Remove initializer for
1555           deleted data member has_been_changed_.
1556           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1557           to determine if the table is empty.
1558           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1559           Remove.
1560           (Stub_table::add_reloc_stub): Define method in class definition
1561           instead of just declaring it there.
1562           (Stub_table::add_cortex_a8_stub): New method definition.
1563           (Stub_table::update_data_size_and_addralign): Ditto.
1564           (Stub_table::finalize_stubs): Ditto.
1565           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1566           (Stub_table::do_addralign_): Return address alignment in the
1567           (Stub_table::do_reset_address_and_file_offset): Define method in
1568           class definition instead of declaring it there.  Set current data
1569           size to be the data size of the previous pass.
1570           (Stub_table::set_final_data_size): Use current data size as the
1571           final data size.
1572           (Stub_table::relocate_stub): Change parameter type of stub from
1573           Reloc_stub pointer to Stub pointer.
1574           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1575           (Stub_table::Cortex_a8_stub_list): New typedef.
1576           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1577            Stub_table::prev_addralign_): New data member.
1578           (Arm_relobj::Arm_relobj): Initialize data member
1579           section_has_cortex_a8_workaround_.
1580           (Arm_relobj::section_has_cortex_a8_workaround,
1581            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1582            definitions.
1583           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1584           declarations.
1585           (Target_arm::relocate_stub): Change parameter type of stub from
1586           Reloc_stub pointer to Stub pointer.
1587           (Insn_template::size, Insn_template::alignment): Handle
1588           THUMB16_SPECIAL_TYPE.
1589           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1590            Stub_table::update_data_size_and_addralign,
1591            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1592           definitions.
1593           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1594           (Stub_table::do_write): Ditto.
1595           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1597 2010-01-08  Ian Lance Taylor  <iant@google.com>
1599         PR 11108
1600         * symtab.h (class Symbol): Remove fields is_target_special_ and
1601         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1602         (Symbol::is_defined_in_discarded_section): New function.
1603         (Symbol::set_is_defined_in_discarded_section): New function.
1604         (Symbol::has_plt_offset): Rewrite.
1605         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1606         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1607         Don't initialize is_target_special_ or has_plt_offset_.
1608         Initialize is_defined_in_discarded_section_.
1609         (Symbol_table::add_from_relobj): If appropriate, set
1610         is_defined_in_discarded_section.
1611         * resolve.cc (Symbol::override_base_with_special): Don't test
1612         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1613         * target-reloc.h (relocate_section): Do special handling for
1614         symbols defined in discarded sections for global symbols as well
1615         as local symbols.
1617 2010-01-08  Ian Lance Taylor  <iant@google.com>
1619         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1620         the SHT_SYMTAB case.
1622 2010-01-08  Ian Lance Taylor  <iant@google.com>
1624         * object.cc (Sized_relobj::do_layout): Don't get confused if
1625         layout_eh_frame returns NULL.
1627 2010-01-08  Ian Lance Taylor  <iant@google.com>
1629         PR 11084
1630         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1631         dynamic symbol table, use the normal symbol table.
1632         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1633         symbol table.
1635 2010-01-08  Ian Lance Taylor  <iant@google.com>
1637         PR 11072
1638         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1639         sections.
1641 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1643         * version.cc (print_version): Change to "Copyright 2010".
1645 2010-01-08  Ian Lance Taylor  <iant@google.com>
1647         PR 10287
1648         PR 11063
1649         * i386.cc (class Target_i386): Change return type of plt_section
1650         to be non-const.
1651         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1652         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1653         tls_desc_rel_ field.
1654         (Output_data_plt_i386::rel_tls_desc): New function.
1655         (Target_i386::rel_tls_desc_section): New function.
1656         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1657         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1658         R_386_TLS_DESC reloc in rel_tls_desc_section.
1659         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1660         Define struct Tlsdesc_info.
1661         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1662         (Target_x86_64::do_reloc_symbol_index): New function.
1663         (Target_x86_64::add_tlsdesc_info): New function.
1664         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1665         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1666         tlsdesc_rel_ field.
1667         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1668         all callers.
1669         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1670         (Target_x86_64::rela_tlsdesc_section): New function.
1671         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1672         handling.
1673         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1674         (Target_x86_64::do_reloc_addend): New function.
1675         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1676         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1677         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1678         (Output_reloc::type): New function.
1679         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1680         (Output_reloc::is_target_specific): New function.
1681         (Output_reloc::target_arg): New function.
1682         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1683         absolute relocs and target specific relocs.
1684         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1685         add_target_specific.
1686         (class Output_data_reloc) [SHT_RELA]: Likewise.
1687         * output.cc (Output_reloc::Output_reloc): Add four new versions
1688         for absolute relocs and target specific relocs.
1689         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1690         (Output_reloc::get_symbol_index): Likewise.
1691         (Output_reloc::local_section_offset): Check that local_sym_index_
1692         is not TARGET_CODE or 0.
1693         (Output_reloc::symbol_value): Likewise.
1694         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1695         reloc.
1696         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1697         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1698         functions.
1699         * layout.cc (add_target_dynamic_tags): Use output section for
1700         DT_PLTRELSZ and DT_JMPREL.
1702 2010-01-07  Ian Lance Taylor  <iant@google.com>
1704         PR 11061
1705         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1706         function.
1707         (class Output_data_reloc_generic): Define.
1708         (class Output_data_reloc_base): Change base class to
1709         Output_data_reloc_generic.  Change add() method to call
1710         bump_relative_reloc_count for a relative reloc.  Remove
1711         sort_relocs_ field.
1712         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1713         to sort_relocs().
1714         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1715         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1716         appropriate.
1717         * layout.h (class Layout): Update declaration.
1719 2010-01-07  Ian Lance Taylor  <iant@google.com>
1721         * output.h (class Output_data): Add const version of
1722         output_section and do_output_section.
1723         (class Output_section_data): Add const version of
1724         do_output_section.
1725         (class Output_section): Likewise.
1726         * layout.cc (Layout::add_target_dynamic_tags): New function.
1727         * layout.h (class Layout): Update declarations.
1728         * arm.cc (Target_arm::do_finalize_sections): Use
1729         add_target_dynamic_tags.
1730         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1731         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1732         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1733         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1735 2010-01-07  Ian Lance Taylor  <iant@google.com>
1737         PR 11042
1738         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1739         object as needed.
1741 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1742             Ian Lance Taylor  <iant@google.com>
1744         PR 11019
1745         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1746         Xindex::read_symtab_xindex.
1748 2010-01-07  Doug Kwan  <dougkwan@google.com>
1750         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1751         (Insn_template::thumb16_bcond_insn): New method declaration.
1752         (Insn_template): Fix spelling.
1753         (Stub::thumb16_special): New method declaration.
1754         (Stub::do_write): Define virtual method which was previously pure
1755         virtual.
1756         (Stub::do_thumb16_special): New method declaration.
1757         (Stub::do_fixed_endian_write): New template member.
1758         (Reloc_stub::do_write): Remove.
1759         (Reloc_stub::do_fixed_endian_write): Remove.
1760         (Cortex_a8_stub): New class definition.
1761         (Stub_factory::make_cortex_a8_stub): New method definition.
1762         (Stub_factory::Stub_factory): Add missing static storage class
1763         qualifier for elf32_arm_stub_a8_veneer_blx.
1765 2010-01-07  Ian Lance Taylor  <iant@google.com>
1767         PR 10980
1768         * options.h (class General_options): Add --warn-unresolved-symbols
1769         and --error-unresolved-symbols.
1770         * errors.cc (Errors::undefined_symbol): Implement
1771         --warn-unresolved-symbols.
1773         * options.h (class General_options): Add -z text and -z textoff.
1774         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1776 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1778         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1779         (Garbage_collection::cident_sections): New function.
1780         (Garbage_collection::add_cident_section): New function.
1781         (Garbage_collection::cident_sections_): New member.
1782         (gc_process_relocs): Add references to sections whose names are C
1783         identifiers.
1784         * gold.h (cident_section_start_prefix): New constant.
1785         (cident_section_stop_prefix): New constant.
1786         (is_cident): New function.
1787         * layout.cc (Layout::define_section_symbols): Replace string constants
1788         with the newly defined constants.
1789         * object.cc (Sized_relobj::do_layout): Track sections whose names are
1790         C identifiers.
1791         * testsuite/Makefile.am: Add gc_orphan_section_test.
1792         * testsuite/Makefile.in: Regenerate.
1793         * testsuite/gc_orphan_section_test.cc: New file.
1794         * testsuite/gc_orphan_section_test.sh: New file.
1796 2010-01-06  Ian Lance Taylor  <iant@google.com>
1798         PR 10980
1799         * options.h (class General_options): Add --warn-shared-textrel.
1800         * layout.cc (Layout::finish_dynamic_section): Implement
1801         --warn-shared-textrel.
1803         PR 10980
1804         * options.h (class General_options): Add --warn-multiple-gp.
1806 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1808         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1809         $(THREADSLIB) and $(LIBDL).
1810         * Makefile.in: Rebuild.
1812 2010-01-06  Ian Lance Taylor  <iant@google.com>
1814         PR 10980
1815         * options.cc (General_options::parse_section_start): New function.
1816         (General_options::section_start): New function.
1817         (General_options::General_options): Initialize all members.
1818         * options.h: Include <map>
1819         (class General_options): Add --section-start.  Add section_starts_
1820         member.
1821         * layout.cc (Layout::attach_allocated_section_to_segment): If
1822         --section-start was used, set the address of the segment.  Remove
1823         local sort_sections.
1824         (Layout::relaxation_loop_body): If the address of the load segment
1825         has been set by --section-start, don't use it.
1826         * output.h (Output_segment::update_flags_for_output_section): New
1827         function.
1828         * output.cc (Output_segment::add_output_section): Call
1829         update_flags_for_output_section.
1831 2010-01-05  Ian Lance Taylor  <iant@google.com>
1833         PR 10980
1834         * options.h (class General_options): Add --undefined-version.
1835         * script.cc (struct Version_expression): Add was_matched_by_symbol
1836         field.
1837         (Version_script_info::matched_symbol): New function.
1838         (Version_script_info::get_symbol_version_helper): Call
1839         matched_symbol.
1840         (Version_script_info::check_unmatched_names): New function.
1841         * script.h (class Version_script_info): Update declarations.
1842         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1844         * options.h (class General_options): Use DEFINE_bool_alias for
1845         allow_multiple_definition.
1846         * resolve.cc (Symbol_table::should_override): Don't test
1847         allow_multiple_definition.
1849         PR 10980
1850         * options.h (class General_options): Add --cref.
1851         * main.cc (main): Print cref table if --cref.  Don't close mapfile
1852         until after printing cref table.
1853         * cref.cc: Include "symtab.h".
1854         (class Cref_inputs): Define Cref_table_compare and Cref_table.
1855         (Cref_table_compare::operator()): New function.
1856         (Cref_inputs::gather_cref): New function.
1857         (filecol): New static const.
1858         (Cref_inputs::print_cref): New function.
1859         (Cref::print_cref): New function.
1860         * cref.h: Include <cstdio>.
1861         (class Cref): Update declarations.
1862         * mapfile.h (Mapfile::file): New function.
1863         * object.h (class Object): Define Symbols.  Declare virtual
1864         do_get_global_symbols.
1865         (Object::get_global_symbols): New function.
1866         * object.cc (Input_objects::add_object): Pass object to cref_ if
1867         --cref.
1868         (Input_objects::archive_start): Likewise.
1869         (Input_objects::archive_stop): Likewise.
1870         (Input_objects::print_cref): New function.
1871         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1872         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1873         --cref.
1874         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1875         function.
1876         * plugin.h (class Sized_pluginobj): Update declarations.
1878 2010-01-05  Ian Lance Taylor  <iant@google.com>
1880         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1881         to is_default_version.  Rename insdef to insdefault.
1882         (Symbol_table::add_from_relobj): Rename def to is_default_version
1883         and local to is_forced_local.
1884         (Symbol_table::add_from_pluginobj): Likewise.
1885         (Symbol_table::add_from_dynobj): Likewise.
1886         (Symbol_table::define_special_symbol): Rename insdef to
1887         insdefault.
1889 2010-01-04  Ian Lance Taylor  <iant@google.com>
1891         PR 10980
1892         * options.h (class General_options): Add
1893         --allow-multiple-definition and -z muldefs.
1894         * resolve.cc (Symbol_table::should_override): Don't warn about a
1895         multiple symbol definition if --allow-multiple-definition or -z
1896         muldefs.
1898         PR 10980
1899         * options.h (class General_options): Add --add-needed and
1900         --copy-dt-needed-entries.  Tweak --as-needed help entry.
1901         * object.cc (Input_objects::check_dynamic_dependencies): Give an
1902         error if --copy-dt-needed-entries aka --add-needed is used and
1903         would cause a change in behaviour.
1905         PR 10980
1906         * options.h (class General_options): Add -G as a short version of
1907         --shared.  Add no-op options -assert, -g, and -i.
1909 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
1911         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1912         check for .text or .gnu.linkonce.t sections.
1913         * icf.cc (Icf::find_identical_sections): Ditto.
1914         Change the detection for mangled function name within the section
1915         name.
1916         * icf.h (is_section_foldable_candidate): New function.
1918 2009-12-30  Ian Lance Taylor  <iant@google.com>
1920         PR 10980
1921         * options.h (class General_options): Permit two dashes with
1922         --retain-symbols-file.
1924 2009-12-30  Ian Lance Taylor  <iant@google.com>
1926         PR 10979
1927         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1928         don't put the file header and segment headers in the text
1929         segment.
1931         PR 10979
1932         * common.cc (Sort_commons::operator()): Stabilize sort when both
1933         entries are NULL.
1934         (Symbol_table::do_allocate_commons_list): When allocating common
1935         symbols, skip a symbol which is no longer common.
1936         * symtab.h (Symbol::is_common): Test whether the symbol comes from
1937         an object before checking its type.
1938         * testsuite/common_test_2.c: New file.
1939         * testsuite/common_test_3.c: New file.
1940         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1941         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1942         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1943         (common_test_2_pic.o, common_test_2.so): New targets.
1944         (common_test_3_pic.o, common_test_3.so): New targets.
1945         * testsuite/Makefile.in: Rebuild.
1947         PR 10979
1948         * script.cc (read_input_script): If we see a new SECTIONS clause,
1949         and we have added an input section, give an error.
1950         * layout.h (class Layout): Add have_added_input_section function.
1951         Add have_added_input_section_ field.
1952         * layout.cc (Layout::Layout): Initialize
1953         have_added_input_section_.
1954         (Layout::layout): Set have_added_input_section_.
1955         (Layout::layout_eh_frame): Likewise.
1957 2009-12-30  Ian Lance Taylor  <iant@google.com>
1959         PR 10931
1960         * options.h (class General_options): Add --sort-common option.
1961         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1962         * common.cc (Sort_common): Add sort_order parameter to
1963         constructor.  Add sort_order_ field.
1964         (Sort_commons::operator): Check sort_order_.
1965         (Symbol_table::allocate_commons): Determine the sort order.
1966         (Symbol_table::do_allocate_commons): Add sort_order parameter.
1967         Change all callers.
1968         (Symbol_table::do_allocate_commons_list): Likewise.
1970 2009-12-30  Ian Lance Taylor  <iant@google.com>
1972         PR 10916
1973         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1974         symbols from this object, don't change the visibility of an
1975         undefined symbol.
1976         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1978 2009-12-30  Ian Lance Taylor  <iant@google.com>
1980         PR 10861
1981         * script.h (class Version_script_info): Define Language enum.
1982         Update declarations.  Define Glob, Exact, and Lookup types.  Add
1983         new fields globals_, locals_, and is_finalized_.
1984         * script.cc: Various formatting fixes.
1985         (class Parser_closure): Change language_stack_ from a vector of
1986         std::string to one of Version_script_info::Language.  Adjust all
1987         uses accordingly.
1988         (class Lazy_demangler): Remove.
1989         (struct Version_expression): Change language from std::string to
1990         Version_script_info::Language.
1991         (Version_script_info::Version_script_info): New function.
1992         (Version_script_info::~Version_script_info): Don't call clear.
1993         (Version_script_info::finalize): New function.
1994         (Version_script_info::build_lookup_tables): New function.
1995         (Version_script_info::build_expression_list_lookup): New
1996         function.
1997         (Version_script_info::get_symbol_version_helper): Rewrite to use
1998         lookup tables.
1999         (Version_script_info::print_expression_list): Adjust to use
2000         Version_script_info::Language.
2001         (script_push_lex_into_version_mode): Check that the version script
2002         has not been finalized.
2003         (version_script_push_lang): Change language string to
2004         Version_script_info::Language.
2005         * options.cc (Command_line::version_script): New function.
2006         * options.h (class General_options): Add finalize_dynamic_list
2007         function.  Change version_script from declaration to definition.
2008         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2009         * testsuite/version_script.map: Remove duplicate def of foo.
2010         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2011         version_script.map.
2012         * testsuite/Makefile.in: Rebuild.
2014 2009-12-30  Ian Lance Taylor  <iant@google.com>
2016         PR 10843
2017         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2018         if the input symbol index is 0, make the output symbol index 0.
2020 2009-12-30  Ian Lance Taylor  <iant@google.com>
2022         PR 10670
2023         * options.h (class General_options): Add -x/--discard-all.
2024         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2025         --discard-all.  If the local symbol needs a dynamic entry, check
2026         that before handling --discard-locals.
2028 2009-12-30  Ian Lance Taylor  <iant@google.com>
2030         PR 10450
2031         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2032         flags to PF_R.
2033         (Output_segment::add_output_section): Don't change the flags if
2034         the type is PT_TLS.
2036         PR 10450
2037         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2038         GNU hash table if they need a dynamic value.  Otherwise, don't add
2039         them if they are defined in a dynamic object or are forced local.
2041 2009-12-29  Ian Lance Taylor  <iant@google.com>
2043         PR 10450
2044         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2045         .gnu.hash table for a 32-bit target.
2047         PR 10450
2048         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2049         regular and a dynamic object only needs a dynamic symbol table
2050         entry if it is externally visible.
2052         PR 10450
2053         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2054         constructor.  Add global_offset_table_ field.
2055         (Target_i386::got_section): Set global_offset_table_.
2056         (Target_i386::do_finalize_sections): Set global_offset_table_
2057         size.
2058         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2059         in constructor.  Add global_offset_table_ field.
2060         (Target_x86_64::got_section): Set global_offset_table_.
2061         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2062         size.
2064         * layout.cc (Layout::Layout): Initialize increase_relro_.
2065         (Layout::get_output_section): Add is_relro, is_last_relro, and
2066         is_first_non_relro parameters.  Change all callers.
2067         (Layout::choose_output_section): Likewise.
2068         (Layout::add_output_section_data): Likewise.
2069         (Layout::make_output_section): Likewise.
2070         (Layout::set_segment_offsets): Clear increase_relro when using a
2071         linker script.
2072         * layout.h (class Layout): Add increase_relro method.  Add
2073         increase_relro_ field.  Update declarations.
2074         * output.cc (Output_section::Output_section): Initialize
2075         is_last_relro_ and is_first_non_relro_.
2076         (Output_segment::add_output_section): Group relro sections is
2077         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2078         (Output_segment::maximum_alignment): Remove relro handling.
2079         (Output_segment::set_section_addresses): Add increase_relro
2080         parameter.  Change all callers.  Add initial alignment to align
2081         relro sections on separate page.  Remove old relro handling.
2082         (Output_segment::set_section_list_addresses): Remove in_relro
2083         parameter.  Change all callers.
2084         (Output_segment::set_offset): Add increase parameter.  Change all
2085         callers.  Remove old relro handling.
2086         * output.h (class Output_section): Add new methods: is_last_relro,
2087         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2088         Add is_last_relro_ and is_first_non_relro_ fields.
2089         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2090         Create separate .got.plt section.  Call increase_relro.
2091         * x86_64.cc (Target_x86_64::got_section): Likewise.
2092         * testsuite/relro_script_test.t: Add .got.plt.
2094         PR 10450
2095         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2096         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2097         (Layout::finalize): Call set_dynamic_symbol_size.
2098         (Layout::set_dynamic_symbol_size): New function.
2099         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2100         set_dynamic_symbol_size.
2102         PR 10450
2103         * output.h (class Output_section): Add is_entsize_zero_ field.
2104         * output.cc (Output_section::Output_section): Initialize
2105         is_entsize_zero_.
2106         (Output_section::set_entsize): If two different entsizes are
2107         requested, force it to zero.
2108         (Output_section::add_input_section): Set flags for .debug_str
2109         before updating section flags.  Set entsize.
2110         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2111         and SHF_STRING if all input sections have those flags.
2113 2009-12-29   Rafael Espindola  <espindola@google.com>
2115         * main.cc (main): Fix the sys time reporting.
2116         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2117         reporting.
2119 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2121         * options.cc (General_options::parse_version): Allow -v to exit
2122         without an error if there is nothing to link.
2124 2009-12-29  Ian Lance Taylor  <iant@google.com>
2126         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2127         using a version of gcc before 4.1.
2128         * configure: Rebuild.
2130 2009-12-28  Chris Demetriou  <cgd@google.com>
2132         * attributes.cc (Output_attributes_section_data::do_write): Use
2133         std::vector::front rather than std::vector::data.
2135 2009-12-28  Ian Lance Taylor  <iant@google.com>
2137         * symtab.h (class Symbol_table): Add enum Defined.
2138         * resolve.cc (Symbol_table::should_override): Add defined
2139         parameter.  Change all callers.  Test whether object is NULL
2140         before calling a method on it.
2141         (Symbol_table::report_resolve_problem): Add defined parameter.
2142         Change all callers.
2143         (Symbol_table::should_override_with_special): Likewise.
2144         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2145         parameter.  Change all callers.
2146         (Symbol_table::do_define_in_output_data): Likewise.
2147         (Symbol_table::define_in_output_segment): Likewise.
2148         (Symbol_table::do_define_in_output_segment): Likewise.
2149         (Symbol_table::define_as_constant): Likewise.
2150         (Symbol_table::do_define_as_constant): Likewise.
2151         * script.h (class Symbol_assignment): Add is_defsym parameter to
2152         constructor; change all callers.
2153         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2154         parameter.  Change all callers.  Add is_defsym_ field.
2155         (class Parser_closure): Add parsing_defsym parameter to
2156         constructor; change all callers.  Add parsing_defsym accessor
2157         function.  Add parsing_defsym_ field.
2159 2009-12-28  Ian Lance Taylor  <iant@google.com>
2161         * gold.cc (queue_middle_tasks): Fix formatting.
2162         * object.cc (Relobj::is_section_name_included): Likewise.
2164 2009-12-23  Ian Lance Taylor  <iant@google.com>
2166         * i386.cc (Target_i386::do_calls_non_split): Recognize
2167         -fsplit-stack prologue for a function with a static chain.
2168         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2169         -fsplit-stack prologue when using %r11.
2171 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2173         * options.cc (General_options::parse_version): Make -v continue and do
2174         the link like GNU ld does.
2176 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2178         * Makefile.am (CCFILES): Add timer.cc.
2179         (HFILES): Add timer.h.
2180         * configure.ac: Check for sysconf and times.
2181         * main.cc: include timer.h.
2182         (main): Use Timer instead of get_run_time.
2183         * timer.cc: New.
2184         * timer.h: New.
2185         * workqueue.cc: include timer.h.
2186         (Workqueue::find_and_run_task):
2187         Report user, sys and wall time.
2188         * Makefile.in: Regenerate.
2189         * config.in: Regenerate.
2190         * configure: Regenerate.
2192 2009-12-16  Doug Kwan  <dougkwan@google.com>
2194         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2195         sections.
2196         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2197         relaxed input sections.
2198         * output.cc (Output_section::find_relaxed_input_section): Change
2199         return type to Output_relaxed_input_section pointer.  Adjust code
2200         for new type of relaxed_input_section_map_.
2201         * output.h (Output_section::find_relaxed_input_section): Change
2202         return type to Output_relaxed_input_section pointer.
2203         (Output_section::Output_relaxed_input_section_by_input_section_map):
2204         New type.
2205         (Output_section::relaxed_input_section_map_): Change type to
2206         Output_section::Output_relaxed_input_section_by_input_section_map.
2207         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2208         input section.
2210 2009-12-15  Ian Lance Taylor  <iant@google.com>
2212         * layout.cc (Layout::create_shstrtab): Only write out after input
2213         sections if we are compressing debug sections.
2215 2009-12-15  Ian Lance Taylor  <iant@google.com>
2217         * archive.cc (Archive::add_symbols): Only look up a symbol without
2218         a version if there is, in fact, a version.
2220 2009-12-14  Ian Lance Taylor  <iant@google.com>
2222         Revert -Wshadow changes, all changes from:
2223         2009-12-11  Doug Kwan  <dougkwan@google.com>
2224         2009-12-11  Nick Clifton  <nickc@redhat.com>
2225         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2227 2009-12-11  Doug Kwan  <dougkwan@google.com>
2229         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2230         due to -Wshadow.
2231         * attributes.cc (Object_attribute::size): Ditto.
2232         (Attributes_section_data::size): Ditto.
2233         (Attributes_section_data::Attributes_section_data): Ditto.
2234         (Output_attributes_section_data::do_write): Ditto.
2235         * attributes.h (Object_attribute::set_type): Ditto.
2236         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2238 2009-12-11  Nick Clifton  <nickc@redhat.com>
2240         * archive.cc: Fix shadowed variable warnings.
2241         * arm.cc: Likewise.
2242         * compressed_output.cc: Likewise.
2243         * compressed_output.h: Likewise.
2244         * configure: Likewise.
2245         * dwarf_reader.cc: Likewise.
2246         * dynobj.cc: Likewise.
2247         * dynobj.h: Likewise.
2248         * ehframe.cc: Likewise.
2249         * ehframe.h: Likewise.
2250         * errors.cc: Likewise.
2251         * expression.cc: Likewise.
2252         * fileread.cc: Likewise.
2253         * fileread.h: Likewise.
2254         * freebsd.h: Likewise.
2255         * i386.cc: Likewise.
2256         * icf.cc: Likewise.
2257         * incremental.h: Likewise.
2258         * layout.cc: Likewise.
2259         * layout.h: Likewise.
2260         * mapfile.cc: Likewise.
2261         * merge.cc: Likewise.
2262         * merge.h: Likewise.
2263         * object.cc: Likewise.
2264         * object.h: Likewise.
2265         * options.h: Likewise.
2266         * output.cc: Likewise.
2267         * output.h: Likewise.
2268         * parameters.cc: Likewise.
2269         * plugin.cc: Likewise.
2270         * powerpc.cc: Likewise.
2271         * reduced_debug_output.cc: Likewise.
2272         * reduced_debug_output.h: Likewise.
2273         * reloc.cc: Likewise.
2274         * reloc.h: Likewise.
2275         * resolve.cc: Likewise.
2276         * script-sections.cc: Likewise.
2277         * script.cc: Likewise.
2278         * script.h: Likewise.
2279         * sparc.cc: Likewise.
2280         * symtab.cc: Likewise.
2281         * symtab.h: Likewise.
2282         * target-select.cc: Likewise.
2283         * target-select.h: Likewise.
2284         * token.h: Likewise.
2285         * workqueue.cc: Likewise.
2286         * workqueue.h: Likewise.
2287         * x86_64.cc: Likewise.
2289 2009-12-10  Doug Kwan  <dougkwan@google.com>
2291         * arm.cc (attributes.h): New include.
2292         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2293         (Arm_relobj::~Arm_relobj): Delete object pointed by
2294         attributes_section_data_.
2295         (Arm_relobj::attributes_section_data): New method definition.
2296         (Arm_relobj::attributes_section_data_): New data member declaration.
2297         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2298         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2299         attributes_section_data_.
2300         (Arm_dynobj::attributes_section_data): New method definition.
2301         (Arm_dynobj::attributes_section_data_): New data member declaration.
2302         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2303         initialization value of may_use_blx_ to false.
2304         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2305         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2306         object attributes to compute results instead of hard-coding.
2307         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2308         Target_arm::get_secondary_compatible_arch,
2309         Target_arm::set_secondary_compatible_arch
2310         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2311         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2312         New method declarations.
2313         (Target_arm::get_aeabi_object_attribute): New method definition.
2314         (Target_arm::attributes_section_data_): New data member declaration.
2315         (read_arm_attributes_section): New template definition.
2316         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2317         (Arm_dynobj::do_read_symbols): Ditto.
2318         (Target_arm::do_finalize_sections): Merge attributes sections from
2319         input.  Check for BLX use after attributes section merging.
2320         Fix __exidx_start and __exidx_end visibility.  Create an
2321         .ARM.attributes section if necessary.
2322         (Target_arm::get_secondary_compatible_arch,
2323         Target_arm::set_secondary_compatible_arch,
2324         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2325         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2326         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2327         New method definitions.
2329 2009-12-09  Ian Lance Taylor  <iant@google.com>
2331         * plugin.cc (Plugin::load): Don't cast from void* to a function
2332         pointer.
2334 2009-12-09  Ian Lance Taylor  <iant@google.com>
2336         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2337         information fields.
2339 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2341         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2342         Replace two_file_shared_1.so with two_file_shared_2.so.
2343         * testsuite/Makefile.in: Regenerated.
2345 2009-12-08  Doug Kwan  <dougkwan@google.com>
2347         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2348         (HFILES): Add attributes.h and int_encoding.h.
2349         * Makefile.in: Regenerate.
2350         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2351         function definitions to int_encoding.cc
2352         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2353         prototypes to int_encoding.h
2354         * reduced_debug_output.cc (int_encoding.h): New include.
2355         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2356         function definitions to int_encoding.cc
2357         (insert_into_vector, read_from_pointer): Move template definitions to
2358         int_encoding.h
2359         * attributes.cc: New file.
2360         * attributes.h: New file.
2361         * int_encoding.cc: New file.
2362         * int_encoding.h: New file.
2364 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2366         PR gold/11055
2367         * incremental-dump.cc (dump_incremental_inputs): New.
2368         (main): Use dump_incremental_inputs.
2370 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2372         PR gold/10893
2373         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2374         checking elfcpp::STT_FUNC.
2375         (Target_i386::Relocate::relocate): Likewise.
2376         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2378         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2379         symbols from shared libraries into normal FUNC symbols.
2381         * symtab.h (Symbol): Add is_func and use it.
2383 2009-12-05  Doug Kwan  <dougkwan@google.com>
2385         * arm.cc (Target_arm::arm_info): Initialize new fields
2386         attributes_section and attributes_vendor.
2387         * i386.cc (Target_i386::i386_info): Same.
2388         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2389         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2390         fields attributes_section and attributes_vendor.
2391         * sparc.cc (Target_sparc::sparc_info): Same.
2392         * target.h (Target::attributes_section, Target::attributes_vendor,
2393         Target::is_attributes_section, Target::attribute_arg_type,
2394         Target::attributes_order): New method definitions.
2395         (Target::Target_info::attributes_section,
2396         Target::Target_info::attributes_vendor): New fields.
2397         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2398         virtual method definitions.
2399         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2400         attributes_section and attributes_vendor.
2401         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2403 2009-12-05  Doug Kwan  <dougkwan@google.com>
2405         * arm.cc: Update comments about interworking and stub generation.
2406         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2407         considered as non-PIC.
2408         (Arm_relocate_functions::base_abs): Fix formatting.
2409         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2410         of function to use GOT entry address instead of offset.
2411         (Target_arm::Scan::global): Issue an error if a symbol would need a
2412         PLT does not get one because it is untyped.  Remove code to create
2413         dynamic symbols for relative branches.
2414         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2415         takes unsigned integer instead of boolean.
2417 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2419         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2420         (two_file_test_LDADD): Likewise.
2421         (common_test_1_LDADD): Likewise.
2422         (exception_test_LDADD) Likewise.
2423         (weak_test_LDADD): Likewise.
2424         (many_sections_test_LDADD): Likewise.
2425         (initpri1_LDADD): Likewise.
2426         (script_test_1_LDADD): Likewise.
2427         (script_test_2_LDADD): Likewise.
2428         (justsyms_LDADD): Likewise.
2429         (binary_test_LDADD): Likewise.
2430         (large_LDADD): Likewise.
2431         * testsuite/Makefile.in: Regenerated.
2433 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2435         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2436         (Symbol_table::override_with_special): Likewise.
2437         (Symbol_table::add_from_object): Likewise.
2439 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2441         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2442         Don't set the data_offset twice.
2444 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2446         * testsuite/Makefile.in: Regenerate.
2448 2009-12-03  Doug Kwan  <dougkwan@google.com>
2450         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2451         (Target_arm::do_finalize_sections): Add parameter for symbol table
2452         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2453         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2454         parameter for symbol table pointer.
2455         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2456         an additional parameter for a pointer to symbol table.
2457         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2458         parameter for a symbol table pointer.
2459         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2460         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2461         Ditto.
2462         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2463         parameter for a symbol table pointer.
2465 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2467         * incremental.cc (Incremental_inputs_header)
2468         (Incremental_inputs_header_write, Incremental_inputs_entry)
2469         (Incremental_inputs_entry_write): Move ...
2470         * incremental.h (Incremental_inputs_header)
2471         (Incremental_inputs_header_write, Incremental_inputs_entry)
2472         (Incremental_inputs_entry_write): here.
2474 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2476         * incremental.cc (make_sized_incremental_binary): Set the target.
2477         Error if it is incompatible.
2478         * output.h (Output_file): Add filename method.
2480 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2482         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2483         from the get_* methods.
2485 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2487         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2488         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2489         Write 0 for the data_offset of scripts.
2491 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2493         * testsuite/Makefile.am: Add the incremental_test.sh test.
2494         * testsuite/incremental_test.sh: New.
2495         * testsuite/incremental_test_1.c: New.
2496         * testsuite/incremental_test_2.c: New.
2498 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2500        * incremental-dump.cc (main): Fix typos.
2502 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2504         PR gold/11025
2505         * incremental-dump.cc (main): Use llu to print 64 bit values.
2507 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2508             H.J. Lu  <hongjiu.lu@intel.com>
2510         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2511         $(LIBDL).
2512         (incremental_dump_LDADD): Likewise.
2513         * Makefile.in: Regenerated.
2515 2009-11-25  Doug Kwan  <dougkwan@google.com>
2516         
2517         Revert:
2519         2009-11-25  Doug Kwan  <dougkwan@google.com>
2521                 * arm.cc (Target_arm::Target_arm): Move method definition
2522                 outside of class definition.  Add code to handle
2523                 --target1-rel, --target1-abs and --target2= options.
2524                 (Target_arm::get_reloc_reloc_type): Change method to be
2525                 non-static and const.
2526                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2527                 New data member declaration.
2528                 (Target_arm::Scan::local, Target_arm::Scan::global,
2529                 Target_arm::Relocate::relocate,
2530                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2531                 Adjust call to Target_arm::get_real_reloc_type.
2532                 (Target_arm::get_real_reloc_type): Use command line options
2533                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2534                 * options.h (--target1-rel, --target1-abs, --target2): New
2535                 ARM-only options.
2537 2009-11-25  Doug Kwan  <dougkwan@google.com>
2539         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2540         class definition.  Add code to handle --target1-rel, --target1-abs
2541         and --target2= options.
2542         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2543         and const.
2544         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2545         member declaration.
2546         (Target_arm::Scan::local, Target_arm::Scan::global,
2547         Target_arm::Relocate::relocate,
2548         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2549         call to Target_arm::get_real_reloc_type.
2550         (Target_arm::get_real_reloc_type): Use command line options to
2551         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2552         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2553         options.
2555 2009-11-25  Doug Kwan  <dougkwan@google.com>
2557         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2558         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2559         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2560         formatting.
2561         (Arm_relocate_functions::thm_call): Replace body with a call to
2562         Arm_relocate_functions::thumb_branch_common.
2563         (Arm_relocate_functions::thm_jump24,
2564         Arm_relocate_functions::thm_xpc22): New method definitions.
2565         (Arm_relocate_functions::thumb_branch_common): New method definition.
2566         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2567         operator.
2568         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2569         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2571 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2573         * Makefile.am: Build incremental-dump
2574         * Makefile.in: Regenerate.
2575         * incremental-dump.cc: New.
2576         * incremental.cc (Incremental_inputs_header_data,
2577         Incremental_inputs_entry_data): Move to incremental.h
2578         * incremental.h: (Incremental_inputs_header_data,
2579         Incremental_inputs_entry_data): Move from incremental.cc
2581 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2583         * incremental.cc (Incremental_inputs_header,
2584         Incremental_inputs_header_write, Incremental_inputs_entry,
2585         Incremental_inputs_entry_write): Add a typedef with the data type.
2587 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2589         * incremental.cc (Incremental_inputs_header,
2590         Incremental_inputs_header_write, Incremental_inputs_entry,
2591         Incremental_inputs_entry_write): Update comment about which
2592         type has the filed descriptions.
2594 2009-11-15  Doug Kwan  <dougkwan@google.com>
2596         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2597         (Arm_relocate_functions::arm_branch_common): Change method defintion
2598         in class definition to a method declaration and update list of formal
2599         parameters.
2600         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2601         Arm_relocation_functions::jump24): Adjust call to
2602         Arm_relocate_functions::arm_branch_common.  Update list of formal
2603         parameters.
2604         (Arm_relocate_functions::xpc25): New method definition.
2605         (Arm_relocate_functions::arm_branch_common): Move method defintion
2606         out from class definition.  Use stubs for mode-switching and extending
2607         branch ranges.
2608         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2609         specially.  Change code to enable use of stubs in ARM branches.
2611 2009-11-10  Doug Kwan  <dougkwan@google.com>
2613         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2614         in method declaration.
2615         (Target_arm::relocate_stub): New method declaration.
2616         (Target_arm::default_target): Change to return a pointer instead of
2617         a const reference.
2618         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2619         Target_arm::default_target.
2620         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2621         method definition.
2622         (Target_arm::relocate_section): Adjust view.
2623         (Target_arm::relocate_stub): New method definition.
2625 2009-11-10  Doug Kwan  <dougkwan@google.com>
2627         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2628         a format warning.
2629         * incremental.cc (open_incremental_binary): Initialized local
2630         variables to avoid warnings.
2631         * object.cc (make_elf_object): Ditto.
2632         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2633         a format warning.
2635 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2637         PR gold/10930
2638         * testsuite/plugin_test.c: Include "config.h".
2640 2009-11-09  Doug Kwan  <dougkwan@google.com>
2642         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2643         (arm_symbol_value): Remove.
2644         (Arm_relocate_functions::arm_branch_common,
2645         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2646         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2647         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2648         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2649         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2650         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2651         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2652         Arm_relocate_functions::thm_mobw_abs_nc,
2653         Arm_relocate_functions::thm_mov_abs,
2654         Arm_relocate_functions::movw_prel_nc,
2655         Arm_relocate_functions::thm_movt_abs,
2656         Arm_relocate_functions::movt_prel,
2657         Arm_relocate_functions::thm_movw_prel_nc,
2658         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2659         (Target_arm::Relocate::relocate): Only decompose address into two
2660         parts if relocation type uses the thumb-bit and pass the actual
2661         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2662         calls to methods in Arm_relocate_functions for this change.
2664 2009-11-08  Ian Lance Taylor  <iant@google.com>
2666         PR 10925
2667         * reloc.cc: Instantiate
2668         Sized_relobj::initialize_input_to_output_maps and
2669         Sized_relobj:free_input_to_output_maps.
2671 2009-11-06  Ian Lance Taylor  <iant@google.com>
2673         PR 10876
2674         * defstd.cc (in_segment): Set only_if_ref true for "end".
2676 2009-11-06  Doug Kwan  <dougkwan@google.com>
2678         * arm.cc (class Reloc_stub): Correct a comment.
2679         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2680         (Target_arm::scan_section_for_stubs): New method declaration.
2681         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2682         Change methods from private to protected.
2683         (Target_arm::do_may_relax): New method definition.
2684         (Target_arm::do_relax, Target_arm::group_sections,
2685         Target_arm::scan_reloc_for_stub,
2686         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2687         (Target_arm::arm_input_section_map_): New data member declaration.
2688         (Target_arm::scan_reloc_for_stub,
2689         Target_arm::scan_reloc_section_for_stubs,
2690         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2691         Target_arm::do_relax): New method definitions.
2693 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2695         * configure.ac: Check for (struct stat)::st_mtim
2696         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2697         * config.in: Regenerate.
2698         * configure: Regenerate.
2700 2009-11-05  Ian Lance Taylor  <iant@google.com>
2702         PR 10910
2703         * output.cc (Output_segment::add_output_section): Add missing
2704         return statement.
2706 2009-11-04  Ian Lance Taylor  <iant@google.com>
2708         PR 10880
2709         * object.h (class Object): Add is_needed and set_is_needed
2710         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2711         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2712         defined in a dynamic object and referenced by a regular object,
2713         set is_needed for the dynamic object.
2714         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2715         if the file is marked with as_needed and it is not needed.
2717 2009-11-04  Ian Lance Taylor  <iant@google.com>
2719         PR 10887
2720         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2721         tags if data is discarded by linker script.
2722         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2723         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2724         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2725         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2727 2009-11-04  Ian Lance Taylor  <iant@google.com>
2729         * layout.cc (Layout::get_output_section): Add is_interp and
2730         is_dynamic_linker_section parameters.  Change all callers.
2731         (Layout::choose_output_section): Likewise.
2732         (Layout::make_output_section): Likewise.
2733         (Layout::add_output_section_data): Add is_dynamic_linker_section
2734         parameter.  Change all callers.
2735         * layout.h (class Layout): Update declarations.
2736         * output.h (class Output_section): Add is_interp, set_is_interp,
2737         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2738         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2739         generate_code_fills_at_write_ to a bitfield.
2740         * output.cc (Output_section::Output_sections): Initialize new
2741         fields.
2742         (Output_segment::add_output_section): Add do_sort parameter.
2743         Change all callers.
2745 2009-11-03  Ian Lance Taylor  <iant@google.com>
2747         PR 10860
2748         * options.h (class General_options): Add --warn-common.
2749         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2750         merging two common symbols.
2751         (Symbol_table::should_override): Handle --warn-common when merging
2752         a common symbol with a defined symbol.  Use report_resolve_problem
2753         for multiple definitions.
2754         (Symbol_table::report_resolve_problem): New function.
2755         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2757 2009-11-03  Doug Kwan  <dougkwan@google.com>
2759         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2760         stub_factory_.
2761         (Target_arm::stub_factory): New method definition.
2762         (Target_arm::new_arm_input_section,
2763         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2764         Target_arm::reloc_uses_thumb_bit): New method declarations.
2765         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2766         New type definitions.
2767         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2768         member declarations.
2769         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2770         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2771         New method definitions.
2773 2009-11-03  Ian Lance Taylor  <iant@google.com>
2775         * options.h (class General_options): Add --warn_constructors.
2777 2009-11-03  Ian Lance Taylor  <iant@google.com>
2779         PR 10893
2780         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2781         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2783 2009-11-03  Ian Lance Taylor  <iant@google.com>
2785         PR 10895
2786         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2787         --msgid-bugs-address.
2788         (install-pdf): New target.
2789         (install-data_yes): Look up one directory to find mkinstalldirs.
2791 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
2793         * po/Make-in (.po.gmo): Don't generate .gmo files in source
2794         tree.
2796 2009-10-30  Doug Kwan  <dougkwan@google.com>
2798         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2800 2009-10-30  Doug Kwan  <dougkwan@google.com>
2802         * arm.cc (Stub_addend_reader): New struct template definition
2803         and partial specializations.
2804         (Stub_addend_reader::operator()): New method definition for a
2805         partially specialized template.
2807 2009-10-30  Doug Kwan  <dougkwan@google.com>
2809         * arm.cc (Arm_relobj::processor_specific_flags): New method
2810         definition.
2811         (Arm_relobj::do_read_symbols): New method declaration.
2812         (Arm_relobj::processor_specific_flags_): New data member declaration.
2813         (Arm_dynobj): New class definition.
2814         (Target_arm::do_finalize_sections): Add input_objects parameter.
2815         (Target_arm::do_adjust_elf_header): New method declaration.
2816         (Target_arm::are_eabi_versions_compatible,
2817         (Target_arm::merge_processor_specific_flags): New method declaration.
2818         (Target_arm::do_make_elf_object): New overloaded method definitions
2819         and declaration.
2820         (Arm_relobj::do_read_symbols): New method definition.
2821         (Arm_dynobj::do_read_symbols): Ditto.
2822         (Target_arm::do_finalize_sections): Add input_objects parameters.
2823         Merge processor-specific flags from all input objects.
2824         (Target_arm::are_eabi_versions_compatible,
2825         Target_arm::merge_processor_specific_flags,
2826         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2827         New method definitions.
2828         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2829         Input_objects pointer type parameter.
2830         * layout.cc (Layout::finalize): Pass input objects to target's.
2831         finalize_sections function.
2832         * output.cc (Output_file_header::do_sized_write): Set ELF file
2833         header's processor-specific flags.
2834         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2835         Input_objects pointer type parameter.
2836         * sparc.cc (Target_sparc::do_finalize_sections): Same.
2837         * target.h (Input_objects): New forward class declaration.
2838         (Target::processor_specific_flags,
2839         Target::are_processor_specific_flags_sect): New method definitions.
2840         (Target::finalize_sections): Add input_objects parameter.
2841         (Target::Target): Initialize processor_specific_flags_ and
2842         are_processor_specific_flags_set_.
2843         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2844         parameter.
2845         (Target::set_processor_specific_flags): New method definition.
2846         (Target::processor_specific_flags_,
2847         Target::are_processor_specific_flags_set_): New data member
2848         declarations.
2849         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2850         Input_objects pointer type parameter.
2852 2009-10-30  Doug Kwan  <dougkwan@google.com>
2854         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2856 2009-10-28  Ian Lance Taylor  <iant@google.com>
2858         * object.h (class Relobj): Drop options parameter from
2859         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2860         do_scan_relocs, do_relocate.  Change all callers.
2861         (class Sized_relobj): Drop options parameters from
2862         do_gc_process_relocs, do_scan_relocs, do_relocate,
2863         do_relocate_sections, relocate_sections, emit_relocs_scan,
2864         emit_relocs_scan_reltype.  Change all callers.
2865         (struct Relocate_info): Remove options field and all references to
2866         it.
2867         * reloc.h (class Read_relocs): Remove options constructor
2868         parameter and options_ field.  Change all callers.
2869         (class Gc_process_relocs, class Scan_relocs): Likewise.
2870         (class Relocate_task): Likewise.
2871         * target-reloc.h (scan_relocs): Remove options parameter.  Change
2872         all callers.
2873         (scan_relocatable_relocs): Likewise.
2874         * target.h (class Sized_target): Remove options parameter from
2875         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
2876         all callers.
2877         * gc.h (gc_process_relocs): Remove options parameter.  Change all
2878         callers.
2879         * arm.cc: Update functions to remove options parameters.
2880         * i386.cc: Likewise.
2881         * powerpc.cc: Likewise.
2882         * sparc.cc: Likewise.
2883         * x86_64.cc: Likewise.
2884         * testsuite/testfile.cc: Likewise.
2886 2009-10-28  Doug Kwan  <dougkwan@google.com>
2888         * arm.cc (Arm_relobj): New class definition.
2889         (Arm_relobj::scan_sections_for_stubs, 
2890         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2891         New method definitions.
2893 2009-10-28  Cary Coutant  <ccoutant@google.com>
2895         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2896         (Plugin::cleanup_done_): New member.
2897         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2898         (Plugin_manager::cleanup_done_): Remove.
2899         (Plugin_manager::add_input_file): Edit error message.
2900         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2901         (Plugin_manager::cleanup): Remove use of cleanup_done_.
2903 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
2905         * fileread.cc: (File_read::View::~View): Use the new
2906         data_ownership_ filed.
2907         (File_read::~File_read): Dispose the new whole_file_view_.
2908         (File_read::open): Mmap the whole file if needed.
2909         (File_read::open): Use whole_file_view_ instead of contents_.
2910         (File_read::find_view): Use whole_file_view_ if applicable.
2911         (File_read::do_read): Use whole_file_view_ instead of contents_.
2912         (File_read::make_view): Use whole_file_view_ instead of contents_,
2913         update File_read::View::View call.
2914         (File_read::find_or_make_view): Update File_read::View::View
2915         call.
2916         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2917         remove contents_
2918         (File_read::View::Data_ownership): New enum.
2919         (File_read::View::View): Replace bool mapped_ with Data_ownership
2920         argument.
2921         (File_read::View::mapped_): Remove (replaced by data_ownership_).
2922         (File_read::View::data_ownership_): New field.
2923         (File_read::contents_): Remove (replaced by whole_file_view_).
2924         (File_read::whole_file_view_): New field.
2925         * options.h (class General_options): Add --keep-files-mapped.
2927 2009-10-27  Cary Coutant  <ccoutant@google.com>
2929         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2930         * testsuite/Makefile.am (plugin_test_5): New test case.
2931         * testsuite/Makefile.in: Regenerate.
2933 2009-10-25  Doug Kwan  <dougkwan@google.com>
2935         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2936         from private to protected to allow access by child class.
2937         (Sized_relobj::do_relocate_sections): New method declaration.
2938         (Sized_relobj::relocate_sections): Virtualize.
2939         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
2940         Sized_relobj::relocate_sections.  Instantiate template explicitly
2941         for different target sizes and endianity.
2943 2009-10-24  Doug Kwan  <dougkwan@google.com>
2945         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2946         (Arm_input_section::as_arm_input_section): New method.
2947         (Arm_output_section): New class definition.
2948         (Arm_output_section::create_stub_group,
2949         Arm_output_section::group_sections): New method definitions.
2951 2009-10-22  Doug Kwan  <dougkwan@google.com>
2953         * arm.cc (Arm_input_section): New class definition.
2954         (Arm_input_section::init, Arm_input_section:do_write,
2955         Arm_input_section::set_final_data_size,
2956         Arm_input_section::do_reset_address_and_file_offset): New method
2957         definitions.
2959 2009-10-21  Doug Kwan  <dougkwan@google.com>
2961         * arm.cc (Stub_table, Arm_input_section): New forward class
2962         declarations.
2963         (Stub_table): New class defintion.
2964         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2965         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2966         New method definition.
2968 2009-10-21  Doug Kwan  <dougkwan@google.com>
2970         * arm.cc: Update copyright comments.
2971         (Target_arm): New forward class template declaration.
2972         (Arm_address): New type.
2973         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2974         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2975         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2976         constants.
2977         (Insn_template): Same.
2978         (DEF_STUBS): New macro.
2979         (Stub_type): New enum type.
2980         (Stub_template): New class definition.
2981         (Stub): Same.
2982         (Reloc_stub): Same.
2983         (Stub_factory): Same.
2984         (Target_arm::Target_arm): Initialize may_use_blx_ and
2985         should_force_pic_veneer_.
2986         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2987         Target_arm::should_force_pic_veneer,
2988         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2989         Target_arm::using_thumb_only, Target_arm:;default_target): New
2990         method defintions.
2991         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2992         New data member declarations.
2993         (Insn_template::size, Insn_template::alignment): New method defintions.
2994         (Stub_template::Stub_template): New method definition.
2995         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2996         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2997         (Stub_factory::Stub_factory): New method definition.
2998         * gold.h (string_hash): New template.
2999         * output.h (Input_section_specifier::hash_value): Use
3000         gold::string_hash.
3001         (Input_section_specifier::string_hash): Remove.
3002         * stringpool.cc (Stringpool_template::string_hash): Use
3003         gold::string_hash.
3005 2009-10-20  Doug Kwan  <dougkwan@google.com>
3007         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3008         symbols of relaxed input sections.
3009         * output.h (Output_section::find_relaxed_input_section): Make
3010         method public.
3012 2009-10-16  Doug Kwan  <dougkwan@google.com>
3014         * dynobj.cc (Versions::Versions): Initialize version_script_.
3015         Only insert base version symbol definition for a shared object
3016         if version script defines any version versions.
3017         (Versions::define_base_version): New method definition.
3018         (Versions::add_def): Check that base version is not needed.
3019         (Versions::add_need): Define base version lazily.
3020         * dynobj.h (Versions::define_base_version): New method declaration.
3021         (Versions::needs_base_version_): New data member declaration.
3022         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3023         (check_DATA): Add no_version_test.stdout.
3024         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3025         New make rules.
3026         * testsuite/Makefile.in: Regenerate.
3027         * testsuite/no_version_test.c: New file.
3028         * testsuite/no_version_test.sh: Ditto.
3030 2009-10-16  Doug Kwan  <dougkwan@google.com>
3032         * expression.cc (class Segment_start_expression): New class definition.
3033         (Segment_start_expression::value): New method definition.
3034         (script_exp_function_segment_start): Return a new
3035         Segment_start_expression.
3036         * gold/script-c.h (script_saw_segment_start_expression): New function
3037         prototype.
3038         * script-sections.cc (Script_sections::Script_sections): Initialize
3039         SAW_SEGMENT_START_EXPRESSION_ to false.
3040         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3041         and -Tbbs options to specify section addresses if given in
3042         command line and no SEGMENT_START expression is seen in a script.
3043         * script-sections.h (Script_sections::saw_segment_start_expression,
3044         Script_sections::set_saw_segment_start_expression): New method
3045         definition.
3046         (Script_sections::saw_segment_start_expression_): New data member
3047         declaration.
3048         * script.cc (script_saw_segment_start_expression): New function.
3049         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3050         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3051         script_test_7.sh and script_test_8.sh.
3052         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3053         script_test_8.stdout.
3054         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3055         (script_test_6, script_test_6.stdout, script_test_7,
3056         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3057         * Makefile.in: Regenerate.
3058         * testsuite/script_test_6.sh: New file.
3059         * testsuite/script_test_6.t: Same.
3060         * testsuite/script_test_7.sh: Same.
3061         * testsuite/script_test_7.t: Same.
3062         * testsuite/script_test_8.sh: Same.
3064 2009-10-16  Doug Kwan  <dougkwan@google.com>
3066         * output.cc (Output_segment::set_section_list_address): Cast
3067         expressions to unsigned long long type to avoid format warnings.
3069 2009-10-15  Ian Lance Taylor  <iant@google.com>
3071         * script.cc (Script_options::add_symbol_assignment): Always add a
3072         dot assignment to script_sections_.
3073         * script-sections.cc (Script_sections::add_dot_assignment):
3074         Initialize if necessary.
3076         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3077         program headers with no load segment if there is a linker script.
3079         * layout.cc (Layout::set_segment_offsets): Align the file offset
3080         to the segment aligment for -N or -n with no load segment.
3081         * output.cc (Output_segment::add_output_section): Don't crash if
3082         the first section is a TLS section.
3083         (Output_segment::set_section_list_addresses): Print an error
3084         message if the address moves backward in a linker script.
3085         * script-sections.cc
3086         (Output_section_element_input::set_section_addresses): Don't
3087         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3088         (Orphan_output_section::set_section_addresses): Likewise.
3090 2009-10-15  Doug Kwan  <dougkwan@google.com>
3092         * layout.cc (Layout::finish_dynamic_section): Generate tags
3093         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3094         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3095         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3097 2009-10-14  Ian Lance Taylor  <iant@google.com>
3099         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3100         fields.
3101         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3102         data_shdr fields of relinfo.
3103         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3104         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3105         R_386_TLS_LDO_32, adjust based on section flags.
3106         (Target_i386::Relocate::fix_up_ldo): Remove.
3108 2009-10-13  Ian Lance Taylor  <iant@google.com>
3110         Add support for -pie.
3111         * options.h (class General_options): Add -pie and
3112         --pic-executable.
3113         (General_options::output_is_position_independent): Test -pie.
3114         (General_options::output_is_executable): Return true if not shared
3115         and not relocatable.
3116         (General_options::output_is_pie): Remove.
3117         * options.cc (General_options::finalize): Reject incompatible uses
3118         of -pie.
3119         * gold.cc (queue_middle_tasks): A -pie link is not static.
3120         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3121         * symtab.cc (Symbol::final_value_is_known): Return false if
3122         output_is_position_independent.
3123         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3124         output_is_position_independent.
3125         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3126         output_is_position_independent.
3127         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3128         output_is_position_independent.
3129         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3130         two_file_pie_test.
3131         (basic_pie_test.o, basic_pie_test): New targets.
3132         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3133         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3134         (two_file_pie_test): New target.
3135         * testsuite/Makefile.in: Rebuild.
3136         * README: Remove note saying that -pie is not supported.
3138 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3140         * options.h (class General_options): Add -init and -fini.
3141         * layout.cc (Layout::finish_dynamic_section): Emit
3142         given init and fini functions.
3144 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3146         * gc.h (gc_process_relocs): Check if icf is enabled using new
3147         function.
3148         * gold.cc (queue_initial_tasks): Likewise.
3149         (queue_middle_tasks): Likewise.
3150         * object.cc (do_layout): Likewise.
3151         * symtab.cc (is_section_folded): Likewise.
3152         * main.cc (main): Likewise.
3153         * reloc.cc (Read_relocs::run): Likewise.
3154         (Sized_relobj::do_scan_relocs): Likewise.
3155         * icf.cc (is_function_ctor_or_dtor): New function.
3156         (Icf::find_identical_sections): Check if function is ctor or dtor when
3157         safe icf is chosen.
3158         * options.h (General_options::icf): Change option to be an enum.
3159         (Icf_status): New enum.
3160         (icf_enabled): New method.
3161         (icf_safe_folding): New method.
3162         (set_icf_status): New method.
3163         (icf_status_): New variable.
3164         * (options.cc) (General_options::finalize): Set icf_status_.
3165         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3166         icf_test and icf_keep_unique_test to use the --icf enum flag.
3167         * testsuite/icf_safe_test.sh: New file.
3168         * testsuite/icf_safe_test.cc: New file. 
3170 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3172         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3173         includes to gc.h and icf.h.
3174         * arm.cc: Include gc.h.
3175         * gold.cc: Likewise.
3176         * i386.cc: Likewise.
3177         * powerpc.cc: Likewise.
3178         * sparc.cc: Likewise.
3179         * x86_64.cc: Likewise.
3180         * gc.h: Include icf.h.
3182 2009-10-11  Ian Lance Taylor  <iant@google.com>
3184         * plugin.cc: Include "gold.h" before other header files.
3186 2009-10-10  Chris Demetriou  <cgd@google.com>
3188         * options.h (Input_file_argument::Input_file_type): New enum.
3189         (Input_file_argument::is_lib_): Replace with...
3190         (Input_file_argument::type_): New member.
3191         (Input_file_argument::Input_file_argument): Take Input_file_type
3192         'type' rather than boolean 'is_lib' as second argument.
3193         (Input_file_argument::is_lib): Use type_.
3194         (Input_file_argument::is_searched_file): New function.
3195         (Input_file_argument::may_need_search): Handle is_searched_file.
3196         * options.cc (General_options::parse_library): Support -l:filename.
3197         (General_options::parse_just_symbols): Update for Input_file_argument
3198         changes.
3199         (Command_line::process): Likewise.
3200         * archive.cc (Archive::get_file_and_offset): Likewise.
3201         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3202         * script.cc (read_script_file, script_add_file): Likewise.
3203         * fileread.cc (Input_file::Input_file): Likewise.
3204         (Input_file::will_search_for): Handle is_searched_file.
3205         (Input_file::open): Likewise.
3206         * readsyms.cc (Read_symbols::get_name): Likewise.
3207         * testsuite/Makefile.am (searched_file_test): New test.
3208         * testsuite/Makefile.in: Regenerate.
3209         * testsuite/searched_file_test.cc: New file.
3210         * testsuite/searched_file_test_lib.cc: New file.
3212 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3213             Ian Lance Taylor  <iant@google.com>
3215         * descriptor.cc: Include <cstdio> and "binary-io.h".
3216         (Descriptors::open): Open the files in binary mode always.
3217         * script.cc (Lex::get_token): Treat \r as whitespace.
3219 2009-10-09  Ian Lance Taylor  <iant@google.com>
3221         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3223 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3224             Ian Lance Taylor  <iant@google.com>
3226         * configure.ac: Check for readv function also.
3227         * fileread.cc (readv): Define if not HAVE_READV.
3228         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3229         does not exist.
3230         * config.in: Regenerate.
3231         * configure: Regenerate.
3233 2009-10-09  Doug Kwan  <dougkwan@google.com>
3235         * layout.cc (Layout::make_output_section): Call target hook to make
3236         ordinary output section.
3237         (Layout::finalize): Adjust parameter list of call the
3238         Target::may_relax().
3239         * layout.h (class Layout::section_list): New method.
3240         * merge.h (Output_merge_base::entsize): Change visibility to public.
3241         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3242         New methods.
3243         (Output_merge_string::do_is_string): New method.
3244         * object.cc (Sized_relobj::do_setup): renamed from
3245         Sized_relobj::set_up.
3246         * object.h (Sized_relobj::adjust_shndx,
3247         Sized_relobj::initializ_input_to_output_maps,
3248         Sized_relobj::free_input_to_output_maps): Change visibilities to
3249         protected.
3250         (Sized_relobj::setup): Virtualize.
3251         (Sized_relobj::do_setup): New method declaration.
3252         (Sized_relobj::invalidate_section_offset,
3253         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3254         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3255         * options.cc (parse_int): New function.
3256         * options.h (parse_int): New declaration.
3257         (DEFINE_int): New macro.
3258         (stub_group_size): New option.
3259         * output.cc (Output_section::Output_section): Initialize memebers
3260         merge_section_map_, merge_section_by_properties_map_,
3261         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3262         (Output_section::add_input_section): Handled deferred code-fill
3263         generation and remove an old comment.
3264         (Output_section::add_relaxed_input_section): New method definition.
3265         (Output_section::add_merge_input_section): Use merge section by
3266         properties map to speed to search.  Update merge section maps
3267         as appropriate.
3268         (Output_section::build_relaxation_map): New method definition.
3269         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3270         Same.
3271         (Output_section::relax_input_section): Renamed to
3272         Output_section::convert_input_sections_to_relaxed_sections and change
3273         interface to take a vector of pointers to relaxed sections.
3274         (Output_section::find_merge_section,
3275         Output_section::find_relaxed_input_section): New method definitions.
3276         (Output_section::is_input_address_mapped,
3277         Output_section::output_offset, Output_section::output_address):
3278         Use output section data maps to speed up searching.
3279         (Output_section::find_starting_output_address): Add comments.
3280         (Output_section::do_write,
3281         Output_section::write_to_postprocessing_buffer): Do code-fill
3282         generation as appropriate.
3283         (Output_section::get_input_sections): Invalidate relaxed input section
3284         map.
3285         (Output_section::restore_states): Adjust type of checkpoint .
3286         Invalidate relaxed input section map.
3287         * output.h (Output_merge_base): New class declaration.
3288         (Input_section_specifier): New class defintion.
3289         (class Output_relaxed_input_section) Change base class to
3290         Output_section_data_build.
3291         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3292         base class initializer.
3293         (Output_section::add_relaxed_input_section): New method declaration.
3294         (Output_section::Input_section): Change visibility to protected.
3295         (Output_section::Input_section::relobj,
3296         Output_section::Input_section::shndx): Handle relaxed input sections.
3297         Output_section::input_sections) Change visibility to protected.  Also
3298         define overload to return a non-const pointer.
3299         (Output_section::Merge_section_properties): New class defintion.
3300         (Output_section::Merge_section_by_properties_map,
3301         Output_section::Output_section_data_by_input_section_map,
3302         Output_section::Relaxation_map): New types.
3303         (Output_section::relax_input_section): Rename method to
3304         Output_section::convert_input_sections_to_relaxed_sections and change
3305         interface to take a vector of relaxed section pointers.
3306         (Output_section::find_merge_section,
3307         Output_section::find_relaxed_input_section,
3308         Output_section::build_relaxation_map,
3309         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3310         New method declarations.
3311         (Output_section::merge_section_map_
3312         Output_section::merge_section_by_properties_map_,
3313         Output_section::relaxed_input_section_map_,
3314         Output_section::is_relaxed_input_section_map_valid_,
3315         Output_section::generate_code_fills_at_write_): New data members.
3316         * script-sections.cc
3317         (Output_section_element_input::set_section_addresses): Call
3318         current_data_size and addralign methods of relaxed input sections.
3319         (Orphan_output_section::set_section_addresses): Call current_data_size
3320         and addralign methods of relaxed input sections.
3321         * symtab.cc (Symbol_table::compute_final_value): Extract template
3322         from the body of Symbol_table::sized_finalize_symbol.
3323         (Symbol_table::sized_finalized_symbol): Call
3324         Symbol_table::compute_final_value.
3325         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3326         (Symbol_table::compute_final_value): New templated method declaration.
3327         * target.cc (Target::do_make_output_section): New method defintion.
3328         * target.h (Target::make_output_section): New method declaration.
3329         (Target::relax): Add more parameters for input objects, symbol table
3330         and layout.  Adjust call to do_relax.
3331         (Target::do_make_output_section): New method declaration.
3332         (Target::do_relax): Add parameters for input objects, symbol table
3333         and layout.
3335 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3337         * pread.c: Include stdio.h.
3339 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3341         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3342         defined.
3344 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3346         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3347         Change read_shndx type to unsigned int.
3348         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3349         int.
3350         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3351         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3352         Change read_shndx type to unsigned int.
3353         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3354         int.
3355         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3356         * layout.cc (Layout::create_symtab_sections): Cast the result of
3357         local_symcount * symsize to off_t in the gold_assert.
3359 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3361         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3362         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3363         R_ARM_BASE_ABS.
3364         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3365         (Arm_relocate_functions::thm_abs5): New function.
3366         (Arm_relocate_functions::abs12): New function.
3367         (Arm_relocate_functions::abs16): New function.
3368         (Arm_relocate_functions::base_abs): New function.
3369         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3370         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3371         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3372         R_ARM_BASE_ABS.
3373         (Scan::global): Likewise.
3374         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3375         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3376         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3377         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3378         R_ARM_BASE_ABS.
3380 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3382         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3383         (Arm_relocate_functions::movt_prel): New function.
3384         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3385         (Arm_relocate_functions::thm_movt_prel): New function.
3386         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3387         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3388         (Scan::global, Relocate::relocate): Likewise.
3389         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3391 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3393         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3394         Incremental_checker.
3395         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3396         unsigned int.
3397         (class Incremental_inputs_header): New class.
3398         (Incremental_inputs_header_writer): Edit comment.
3399         (Incremental_inputs_entry): New class.
3400         (Incremental_inputs_entry_writer): Edit comment.
3401         (Sized_incremental_binary::do_find_incremental_inputs_section):
3402         Add *strtab_shndx parameter, fill it.
3403         (Sized_incremental_binary::do_check_inputs): New method.
3404         (Incremental_checker::can_incrementally_link_output_file): Use
3405         Sized_incremental_binary::check_inputs.
3406         (Incremental_inputs::report_command_line): Save command line in
3407         command_line_.
3408         * incremental.h:
3409         (Incremental_binary::find_incremental_inputs_section): New
3410         method.
3411         (Incremental_binary::do_find_incremental_inputs_section): Add
3412         strtab_shndx parameter.
3413         (Incremental_binary::do_check_inputs): New pure virtual method.
3414         (Sized_incremental_binary::do_check_inputs): Declare.
3415         (Incremental_checker::Incremental_checker): Add incremental_inputs
3416         parameter, use it to initialize incremental_inputs_.
3417         (Incremental_checker::incremental_inputs_): New field.
3418         (Incremental_checker::command_line): New method.
3419         (Incremental_checker::inputs): New method.
3420         (Incremental_checker::command_line_): New field.
3422 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3424         * incremental.cc: Include <cstdarg> and "target-select.h".
3425         (vexplain_no_incremental): New function.
3426         (explain_no_incremental): New function.
3427         (Incremental_binary::error): New method.
3428         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3429         method.
3430         (make_sized_incremental_binary): New function.
3431         (open_incremental_binary): New function.
3432         (can_incrementally_link_file): Add checks if output is ELF and has
3433         inputs section.
3434         * incremental.h: Include "elfcpp_file.h" and "output.h".
3435         (Incremental_binary): New class.
3436         (Sized_incremental_binary): New class.
3437         (open_incremental_binary): Declare.
3438         * object.cc (is_elf_object): Use
3439         elfcpp::Elf_recognizer::is_elf_file.
3440         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3441         * output.h (Output_file::filesize): New method.
3443 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3445         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3446         New function.
3447         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3448         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3449         function.
3450         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3451         function.
3452         (Arm_relocate_functions::movw_abs_nc): New function.
3453         (Arm_relocate_functions::movt_abs): New function.
3454         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3455         (Arm_relocate_functions::thm_movt_abs): New function.
3456         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3457         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3458         (Scan::global): Likewise.
3459         (Relocate::relocate): Likewise.
3460         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3462 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3464         * arm.cc (Arm_relocate_functions::got_prel) New function.
3465         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3466         (Relocate::relocate): Likewise.
3467         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3469 2009-10-06  Ian Lance Taylor  <iant@google.com>
3471         * options.h (class General_options): Define
3472         split_stack_adjust_size parameter.
3473         * object.h (class Object): Add uses_split_stack_ and
3474         has_no_split_stack_ fields.  Add uses_split_stack and
3475         has_no_split_stack accessor functions.  Declare
3476         handle_split_stack_section.
3477         (class Reloc_symbol_changes): Define.
3478         (class Sized_relobj): Define Function_offsets.  Declare
3479         split_stack_adjust, split_stack_adjust_reltype, and
3480         find_functions.
3481         * object.cc (Object::handle_split_stack_section): New function.
3482         (Sized_relobj::do_layout): Call handle_split_stack_section.
3483         * dynobj.cc (Sized_dynobj::do_layout): Call
3484         handle_split_stack_section.
3485         * reloc.cc (Sized_relobj::relocate_sections): Call
3486         split_stack_adjust for executable sections in split_stack
3487         objects.  Pass reloc_map to relocate_section.
3488         (Sized_relobj::split_stack_adjust): New function.
3489         (Sized_relobj::split_stack_adjust_reltype): New function.
3490         (Sized_relobj::find_functions): New function.
3491         * target-reloc.h: Include "object.h".
3492         (relocate_section): Add reloc_symbol_changes parameter.  Change
3493         all callers.
3494         * target.h (class Target): Add calls_non_split method.  Declare
3495         do_calls_non_split virtual method.  Declare match_view and
3496         set_view_to_nop.
3497         * target.cc: Include "elfcpp.h".
3498         (Target::do_calls_non_split): New function.
3499         (Target::match_view): New function.
3500         (Target::set_view_to_nop): New function.
3501         * gold.cc (queue_middle_tasks): Give an error if mixing
3502         split-stack and non-split-stack objects with -r.
3503         * i386.cc (Target_i386::relocate_section): Add
3504         reloc_symbol_changes parameter.
3505         (Target_i386::do_calls_non_split): New function.
3506         * x86_64.cc (Target_x86_64::relocate_section): Add
3507         reloc_symbol_changes parameter.
3508         (Target_x86_64::do_calls_non_split): New function.
3509         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3510         parameter.
3511         * powerpc.cc (Target_powerpc::relocate_section): Add
3512         reloc_symbol_changes parameter.
3513         * sparc.cc (Target_sparc::relocate_section): Add
3514         reloc_symbol_changes parameter.
3515         * configure.ac: Call AM_CONDITIONAL for the default target.
3516         * configure: Rebuild.
3517         * testsuite/Makefile.am (TEST_AS): New variable.
3518         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3519         (check_DATA): Add split_i386 and split_x86_64 files.
3520         (SPLIT_DEFSYMS): Define.
3521         (split_i386_[1234n].o): New targets.
3522         (split_i386_[124]): New targets.
3523         (split_i386_[1234r].stdout): New targets.
3524         (split_x86_64_[1234n].o): New targets.
3525         (split_x86_64_[124]): New targets.
3526         (split_x86_64_[1234r].stdout): New targets.
3527         (MOSTLYCLEANFILES): Add new executables.
3528         * testsuite/split_i386.sh: New file.
3529         * testsuite/split_x86_64.sh: New file.
3530         * testsuite/split_i386_1.s: New file.
3531         * testsuite/split_i386_2.s: New file.
3532         * testsuite/split_i386_3.s: New file.
3533         * testsuite/split_i386_4.s: New file.
3534         * testsuite/split_i386_n.s: New file.
3535         * testsuite/split_x86_64_1.s: New file.
3536         * testsuite/split_x86_64_2.s: New file.
3537         * testsuite/split_x86_64_3.s: New file.
3538         * testsuite/split_x86_64_4.s: New file.
3539         * testsuite/split_x86_64_n.s: New file.
3540         * testsuite/testfile.cc (Target_test): Update relocation_section
3541         function.
3542         * testsuite/Makefile.in: Rebuild.
3544 2009-10-06  Ian Lance Taylor  <iant@google.com>
3546         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3547         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3548         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3549         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3550         the address on ldo_addrs_.
3551         (Target_i386::Relocate::fix_up_ldo): New function.
3553 2009-10-06   Rafael Espindola  <espindola@google.com>
3555         * plugin.cc (add_input_library): New.
3556         (Plugin::load): Add add_input_library to tv.
3557         (Plugin_manager::add_input_file): Add the is_lib argument.
3558         (add_input_file): Update call to Plugin_manager::add_input_file.
3559         (add_input_library): New.
3560         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3562 2009-09-30  Doug Kwan  <dougkwan@google.com>
3564         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3565         symbol and call Symbol::may_need_copy_reloc to determine if
3566         a copy reloc is needed.
3567         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3568         nocopyreloc is given in command line.
3569         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3570         given in command line.
3571         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3572         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3573         of the removed Target_i386::may_need_copy_reloc.
3574         * options.h (copyreloc): New option with default value false.
3575         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3576         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3577         instead of the removed Target_powerpc::may_need_copy_reloc.
3578         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3579         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3580         instead of the removed Target_sparc::may_need_copy_reloc.
3581         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3582         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3583         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3584         instead of the removed Target_x86_64::may_need_copy_reloc.
3586 2009-09-30  Ian Lance Taylor  <iant@google.com>
3588         * object.h (class Object): Remove target_ field, and target,
3589         sized_target, and set_target methods.
3590         (Object::sized_target): Remove.
3591         (class Sized_relobj): Update declarations.  Remove sized_target.
3592         * object.cc (Sized_relobj::setup): Remove target parameter.
3593         Change all callers.
3594         (Input_objects::add_object): Don't do anything with the target.
3595         (make_elf_sized_object): Add punconfigured parameter.  Change all
3596         callers.  Set or test parameter target.
3597         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3598         Change all callers.
3599         * parameters.cc (Parameters::set_target): Change parameter type to
3600         be non-const.
3601         (Parameters::default_target): Remove.
3602         (set_parameters_target): Change parameter type to be non-const.
3603         (parameters_force_valid_target): New function.
3604         (parameters_clear_target): New function.
3605         * parameters.h (class Parameters): Update declarations.  Remove
3606         default_target method.  Add sized_target and clear_target
3607         methods.  Change target_ to be non-const.
3608         (set_parameters_target): Update declaration.
3609         (parameters_force_valid_target): Declare.
3610         (parameters_clear_target): Declare.
3611         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3612         as NULL if we aren't searching.
3613         (Add_symbols::run): Don't check for compatible target.
3614         * fileread.cc (Input_file::open_binary): Call
3615         parameters_force_valid_target.
3616         * gold.cc (queue_middle_tasks): Likewise.
3617         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3618         set_target on object.
3619         * dynobj.h (class Sized_dynobj): Update declarations.
3620         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3621         make_elf_object returns NULL.
3622         (Archive::include_member): Don't check whether object target is
3623         compatible.
3624         * output.cc (Output_section::add_input_section): Get target from
3625         parameters.
3626         (Output_section::relax_input_section): Likewise.
3627         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3628         parameters.
3629         (Sized_relobj::do_scan_relocs): Likewise.
3630         (Sized_relobj::relocate_sections): Likewise.
3631         * resolve.cc (Symbol_table::resolve): Likewise.
3632         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3633         parameter.  Change all callers.
3634         (Symbol_table::add_from_object): Get target from parameters.
3635         (Symbol_table::add_from_relobj): Don't check object target.
3636         (Symbol_table::add_from_dynobj): Likewise.
3637         (Symbol_table::define_special_symbol): Get target from
3638         parameters.
3639         * symtab.h (class Symbol_table): Update declaration.
3640         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3641         parameter.  Change all callers.  Clear parameter target.
3642         (Binary_test): Test target here.
3643         * testsuite/object_unittest.cc (gold_testsuite): Remove
3644         target_test_pointer parameter.  Change all callers.
3645         (Object_test): Test target here.
3647 2009-09-26  Ian Lance Taylor  <iant@google.com>
3649         * testsuite/initpri1.c: Don't try to use constructor priorities if
3650         compiling with gcc before 4.3.
3652 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3654         * testsuite/retain_symbols_file_test.sh (check_present): Change
3655         output file name to retain_symbols_file_test.stdout.
3656         (check_absent): Likewise.
3658 2009-09-18  Craig Silverstein  <csilvers@google.com>
3660         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3661         * options.cc: Include <cerrno> and <fstream>.
3662         (General_options::finalize): Parse -retain-symbols-file tag.
3663         * options.h: New flag.
3664         (General_options): New method should_retain_symbol, new
3665         variable symbols_to_retain.
3666         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3667         should_retain_symbol map.
3668         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3669         * testsuite/Makefile.in: Regenerate.
3670         * testsuite/retain_symbols_file_test.sh: New file.
3672 2009-09-18  Nick Clifton  <nickc@redhat.com>
3674         * po/es.po: Updated Spanish translation.
3676 2009-09-17  Doug Kwan  <dougkwan@google.com>
3678         * debug.h (DEBUG_RELAXATION): New constant.
3679         (DEBUG_ALL): Add DEBUG_RELAXATION.
3680         (debug_string_to_enum): Add relaxation debug option.
3681         * layout.cc
3682         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3683         Layout::Relaxation_debug_check::read_sections,
3684         Layout::Relaxation_debug_check::read_sections): New method definitions.
3685         (Layout::Layout): Initialize data members
3686         record_output_section_data_from_scrips_,
3687         script_output_section_data_list_ and relaxation_debug_check_.
3688         (Layout::save_segments, Layout::restore_segments,
3689         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3690         Layout::relaxation_loop_body): New method definitions.
3691         (Layout::finalize): Support relaxation.  Move section layout code to
3692         Layout::relaxation_loop_body.
3693         (Layout::set_asection_address_from_script): Move code for orphan
3694         section placement out.
3695         (Layout::place_orphan_sections_in_script): New method definition.
3696         * layout.h (Output_segment_headers, Output_file_header):
3697         New forward class declarations.
3698         (Layout::~Layout): Define.
3699         (Layout::new_output_section_data_from_script): New method definition.
3700         (Layout::place_orphan_sections_in_script): New method declaration.
3701         (Layout::Segment_states): New type declaration.
3702         (Layout::save_segments, Layout::restore_segments,
3703         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3704         Layout::relaxation_loop_body): New method declarations.
3705         (Layout::Output_section_data_list): New type declaration.
3706         (Layout::Relaxation_debug_check): New class definition.
3707         (Layout::record_output_section_data_from_script_,
3708         Layout::script_output_section_data_list_, Layout::segment_states_,
3709         Layout::relaxation_debug_check_): New data members.
3710         * output.cc: (Output_section_headers::do_size): New method definition.
3711         (Output_section_headers::Output_section_headers): Move size
3712         computation to Output_section_headers::do_size.
3713         (Output_segment_headers::do_size): New method definition.
3714         (Output_file_header::Output_file_header): Move size computation to 
3715         Output_file_header::do_size and call it.
3716         (Output_file_header::do_size): New method definition.
3717         (Output_data_group::Output_data_group): Adjust call to
3718         Output_section_data.
3719         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3720         (Output_symtab_xindex::do_write): Add array bound check.
3721         (Output_section::Input_section::print_to_mapfile): Handle
3722         RELAXED_INPUT_SECTION_CODE.
3723         (Output_section::Output_section): Initialize data member checkpoint_.
3724         (Output_section::~Output_section): Delete checkpoint object pointed
3725         by checkpoint_.
3726         (Output_section::add_input_section): Always add an Input_section if
3727         relaxing.
3728         (Output_section::add_merge_input_section): Add assert.
3729         (Output_section::relax_input_section): New method definition.
3730         (Output_section::set_final_data_size): Set load address to zero for
3731         an unallocated section.
3732         (Output_section::do_address_and_file_offset_have_reset_values):
3733         New method definition.
3734         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3735         Handle relaxed input section.
3736         (Output_section::sort_attached_input_sections): Checkpoint input
3737         section list lazily.
3738         (Output_section::get_input_sections): Change type of input_sections to
3739         list of Simple_input_section pointers.  Checkpoint input section list
3740         lazily.  Also handle relaxed input sections.
3741         (Output_section::add_input_section_for_script): Take a reference to
3742         a Simple_input_section object instead of Relobj pointer and section
3743         index as parameter.  Handle relaxed input sections.
3744         (Output_section::save_states, Output_section::restore_states): New
3745         method definitions.
3746         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3747         (Output_data::is_data_size_fixed): New method definition.
3748         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3749         if it is fixed.
3750         (Output_data::address_and_file_offset_have_reset_values): New method
3751         definition.
3752         (Output_data::do_address_and_file_offset_have_reset_values): New method
3753         definition.
3754         (Output_data::set_data_size): Check that data size is not fixed.
3755         (Output_data::fix_data_size): New method definition.
3756         (Output_data::is_data_size_fixed_): New data member.
3757         (Output_section_headers::set_final_data_size): New method definition.
3758         (Output_section_headers::do_size): New method declaration.
3759         (Output_segment_headers::set_final_data_size): New method definition.
3760         (Output_segment_headers::do_size): New method declaration.
3761         (Output_file_header::set_final_data_size)::New method definition.
3762         (Output_file_header::do_size)::New method declaration.
3763         (Output_section_data::Output_section_data): Add new parameter
3764         is_data_size_fixed and use it to fix data size.
3765         (Output_data_const::Output_data_const): Adjust call to base class
3766         constructor and fix data size.
3767         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3768         base class constructor and fix data size.
3769         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3770         base class constructor and fix data size.
3771         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3772         class constructor and fix data size.
3773         (Output_data_group::set_final_data_size): New method definition.
3774         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3775         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3776         class constructor and fix data size.
3777         (Output_relaxed_input_section): New class definition.
3778         (Output_section::Simple_input_section): New class definition.
3779         (Output_section::get_input_sections): Adjust parameter list.
3780         (Output_section::add_input_section_for_script): Same.
3781         (Output_section::save_states, Output_section::restore_states,
3782         Output_section::do_address_and_file_offset_have_reset_values,
3783         (Output_section::Input_section::Input_section): Handle
3784         RELAXED_INPUT_SECTION_CODE.  Add new overload for
3785         Output_relaxed_input_section.
3786         (Output_section::Input_section::is_input_section,
3787         Output_section::Input_section::set_output_section): Handle relaxed
3788         input section.
3789         (Output_section::Input_section::is_relaxed_input_section,
3790         Output_section::Input_section::output_section_data,
3791         Output_section::Input_section::relaxed_input_section): New method
3792         definitions.
3793         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3794         value.
3795         (Output_section::Input_section::u1_): Update comments.
3796         (Output_section::Input_section::u2_): Add new union member poris.
3797         (Output_section::Checkpoint_output_section): New classs definition.
3798         (Output_section::relax_input_section): New method declaration.
3799         (Output_section::checkpoint_): New data member.
3800         (Output_segment): Update comments.
3801         (Output_segment::Output_segment): Un-privatize copy constructor.
3802         (Output_segment::operator=): Un-privatize.
3803         * script-sections.cc (Output_section_element::Input_section_list):
3804         Change element type to Output_section::Simple_input_section.
3805         (Output_section_element_dot_assignment::set_section_addresses):
3806         Register output section data for relaxation clean up.
3807         (Output_data_exression::Output_data_expression): Adjust call to base
3808         constructor to fix data size.
3809         (Output_section_element_data::set_section_addresses): Register
3810         Output_data_expression object for relaxation clean up.
3811         (struct Input_section_info): Replace Relobj pointer and section index
3812         pair with Output_section::Simple_input_section and Convert struct to a
3813         class.
3814         (Input_section_sorter::operator()): Adjust access to
3815         Input_section_info data member to use accessors. 
3816         (Output_section_element_input::set_section_addresses): Use layout
3817         parameter.  Adjust code to use Output_section::Simple_input_section
3818         and Input_secction_info classes.  Register filler for relaxation
3819         clean up.
3820         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3821         and section index pair with Output_section::Simple_input_section
3822         class.  Adjust code accordingly.
3823         (Phdrs_element::release_segment): New method definition.
3824         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3825         segment list.
3826         (Script_sections::release_segments): New method definition.
3827         * gold/script-sections.h (Script_sections::release_segments): New
3828         method declaration.
3829         * gold/target.h (Target::may_relax, Target::relax,
3830         Target::do_may_relax, Target::do_relax): New method definitions.
3832 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3834         * arm.cc (has_signed_unsigned_overflow): New function.
3835         (Arm_relocate_functions::abs8): New function.
3836         (Target_arm::Scan::local): Handle R_ARM_ABS8.
3837         (Target_arm::Scan::global): Likewise.
3838         (Target_arm::relocate::relocate): Likewise.
3839         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3840         Likewise.
3842 2009-09-16  Cary Coutant  <ccoutant@google.com>
3844         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3845         * testsuite/Makefile.in: Regenerate.
3847 2009-09-11  Nick Clifton  <nickc@redhat.com>
3849         * po/gold.pot: Updated by the Translation project.
3851 2009-09-08  Cary Coutant  <ccoutant@google.com>
3853         * output.cc (Output_file::open): Add execute permission to empty file.
3854         * testsuite/Makefile.am (permission_test): New test.
3855         * testsuite/Makefile.in: Regenerate.
3857 2009-09-02  Ian Lance Taylor  <iant@google.com>
3859         * output.cc (Output_file::resize): Call map_no_anonymous rather
3860         than map.
3862 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
3864         * gold.cc: Include "incremental.h".
3865         (queue_initial_tasks): Call Incremental_checker methods.
3866         * incremental.cc: Include "output.h".
3867         (Incremental_checker::can_incrementally_link_output_file): New
3868         method.
3869         * incremental.h (Incremental_checker): New class.
3871         * output.cc (Output_file::open_for_modification): New method.
3872         (Output_file::map_anonymous): Changed return type to bool.  Record
3873         map in base_ field.
3874         (Output_file::map_no_anonymous): New method, broken out of map.
3875         (Output_file::map): Use map_no_anonymous and map_anonymous.
3876         * output.h (class Output_file): Update declarations.
3878 2009-08-24  Cary Coutant  <ccoutant@google.com>
3880         * options.h (Command_line::Pre_options): New class.
3881         (Command_line::pre_options): New member.
3882         * options.cc (gold::options::ready_to_register): New variable.
3883         (One_option::register_option): Do nothing if not registering options.
3884         Assert if same short option registered twice.
3885         (General_options::General_options): Turn off option registration when
3886         done constructing.
3887         (Command_line::Pre_options::Pre_options): New constructor.
3889 2009-08-24  Cary Coutant  <ccoutant@google.com>
3891         * options.h (General_options::no_keep_memory): Remove incorrect
3892         short option.
3894 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3896         * Makefile.am (am__skiplex, am__skipyacc): New.
3897         * Makefile.in: Regenerate.
3899 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3901         * Makefile.am (AM_CPPFLAGS): Renamed from ...
3902         (INCLUDES): ... this.
3903         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3904         (AM_CPPFLAGS): Renamed from ...
3905         (INCLUDE): ... this.
3906         * Makefile.in, testsuite/Makefile.in: Regenerate.
3908         * Makefile.in: Regenerate.
3909         * aclocal.m4: Likewise.
3910         * config.in: Likewise.
3911         * configure: Likewise.
3912         * testsuite/Makefile.in: Likewise.
3914         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3915         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3916         * Makefile.in: Regenerate.
3917         * testsuite/Makefile.in: Regenerate.
3919 2009-08-19  Cary Coutant  <ccoutant@google.com>
3921         * resolve.cc (Symbol_table::resolve): Don't complain about defined
3922         symbols in shared libraries overridden by hidden or internal symbols
3923         in the main program.
3925 2009-08-19  Chris Demetriou  <cgd@google.com>
3927         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3928         checking source file names in error messages.
3930 2009-08-18  Doug Kwan  <dougkwan@google.com>
3932         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3933         an elcpp::Ehdr as parameter.  Adjust call to set_target.
3934         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3935         an elfcpp::Ehdr as parameter.
3936         * object.cc (Object::set_target): Remove the version that looks up
3937         a target and sets it.
3938         (Sized_relobj::setup): Take a Target object instead of
3939         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
3940         (make_elf_sized_object): Find target and ask target to
3941         make an ELF object.
3942         * object.h: (Object::set_target): Remove the version that looks up
3943         a target and sets it.
3944         (Sized_relobj::setup): Take a Target object instead of
3945         an elfcpp:Ehdr as parameter.
3946         * target.cc: Include dynobj.h.
3947         (Target::do_make_elf_object_implementation): New.
3948         (Target::do_make_elf_object): New.
3949         * target.h (Target::make_elf_object): New template declaration.
3950         (Target::do_make_elf_object): New method declarations.
3951         (Target::do_make_elf_object_implementation): New template declaration.
3953 2009-08-14  Ian Lance Taylor  <iant@google.com>
3955         * gold.h (FUNCTION_NAME): Define.
3956         (gold_unreachable): Use FUNCTION_NAME.
3958 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3960         * icf.cc (Icf::find_identical_sections): Issue a warning when a
3961         symbol in the --keep-unique list is not found.
3963 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3965         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3966         been maked as --keep-unique.
3967         (Icf::unfold_section): New function.
3968         * icf.h (Icf::unfold_section): New function.
3969         * options.h (General_options::keep_unique): New option.
3970         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3971         * testsuite/Makefile.in: Regenerate.
3972         * testsuite/icf_keep_unique_test.sh: New file.
3973         * testsuite/icf_keep_unique_test.cc: New file.
3975 2009-08-12  Cary Coutant  <ccoutant@google.com>
3977         PR 10471
3978         * resolve.cc (Symbol_table::resolve): Check for references from
3979         dynamic objects to hidden and internal symbols.
3980         * testsuite/Makefile.am (hidden_test.sh): New test.
3981         * testsuite/Makefile.in: Regenerate.
3982         * testsuite/hidden_test.sh: New script.
3983         * testsuite/hidden_test_1.c: New test source.
3984         * testsuite/hidden_test_main.c: New test source.
3986 2009-08-11  Doug Kwan  <dougkwan@google.com>
3988         * arm.cc: Update comments.
3989         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3990         segment to locate the .ARM.exidx section if present.
3992 2009-08-09  Doug Kwan  <dougkwan@google.com>
3994         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3995         patch.
3997 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
3998         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3999         compiler warnings.
4001 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4003         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4004         valid tls_segment only for non-debug-section relocations.
4005         * testsuite/Makefile.am: Add gc_tls_test.
4006         * testsuite/Makefile.in: Regenerate.
4007         * testsuite/gc_tls_test.cc: New file.
4008         * testsuite/gc_tls_test.sh: New file.
4010 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4011         
4012         * icf.cc: New file.
4013         * icf.h: New file.
4014         * Makefile.am (CCFILES): Add icf.cc.
4015         (HFILES): Add icf.h
4016         * Makefile.in: Regenerate.
4017         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4018         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4019         section, symbol and addend information for the relocs.
4020         * gold.cc (queue_middle_tasks): Call identical code folding.
4021         * gold.h: Add defines for multimap.
4022         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4023         to the call of finalize_local_symbols.
4024         * main.cc (main): Create object of class Icf.
4025         * object.cc (Sized_relobj::do_layout): Allow this function to be
4026         called twice during icf.
4027         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4028         to sections marked as identical by icf.
4029         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4030         when available.
4031         (Sized_relobj::do_section_entsize): New function.
4032         * object.h (Object::section_entsize): New function.
4033         (Object::do_section_entsize): New pure virtual function.
4034         (Relobj::finalize_local_symbols): Add new parameter.
4035         (Relobj::do_section_entsize): New function.
4036         * options.h (General_options::icf): New option.
4037         (General_options::icf_iterations): New option.
4038         (General_options::print_icf_sections): New option.
4039         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4040         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4041         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4042         icf.
4043         * symtab.cc (Symbol_table::is_section_folded): New function.
4044         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4045         to sections marked as identical by icf.
4046         * symtab.h (Symbol_table::set_icf): New function.
4047         (Symbol_table::icf): New function.
4048         (Symbol_table::is_section_folded): New function.
4049         (Symbol_table::icf_): New data member.
4050         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4051         * testsuite/Makefile.am: Add commands to build icf_test.
4052         * testsuite/Makefile.in: Regenerate.
4053         * testsuite/icf_test.sh: New file.
4054         * testsuite/icf_test.cc: New file.
4056 2009-07-24  Chris Demetriou  <cgd@google.com>
4058         * layout.cc (is_compressible_debug_section): Fix incorrect
4059         comment about compressed section names.
4061 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4063         PR 10419
4064         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4066 2009-07-16  Ian Lance Taylor  <iant@google.com>
4068         PR 10400
4069         * layout.h: #include <map>.
4070         (class Kept_section): Change from struct to class.  Add accessors
4071         and setters.  Add section size to Comdat_group mapping.  Change
4072         Comdat_group to std::map.  Add is_comdat_ field.  Add
4073         linkonce_size field in union.
4074         (class Layout): Update declaration of find_or_add_kept_section.
4075         Don't declare find_kept_object.
4076         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4077         parameter.  Add object, shndx, is_comdat, and is_group_name
4078         parameters.  Change all callers.  Adjust for new Kept_section.
4079         (Layout::find_kept_object): Remove.
4080         * object.cc (Sized_relobj::include_section_group): Update use of
4081         Kept_section.  Rename secnum to shndx.  Only record
4082         Kept_comdat_section if sections are the same size.
4083         (Sized_relobj::include_linkonce_section): Update use of
4084         Kept_section.  Only record Kept_comdat_section if sections are the
4085         same size.  Set size of linkonce section.
4086         (Sized_relobj::map_to_kept_section): Update call to
4087         get_kept_comdat_section.
4088         * object.h (class Sized_relobj): Rename fields in
4089         Kept_comdat_section to drop trailing underscores; change object
4090         field to Relobj*.  Change Kept_comdat_section_table to store
4091         struct rather than pointer.
4092         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4093         Add kept_object and kept_shndx parameters.  Change all callers.
4094         (Sized_relobj::get_kept_comdat_section): Change return type to
4095         bool.  Add kept_object and kept_shndx parameters.  Change all
4096         callers.
4097         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4098         Layout::find_or_add_kept_section.
4100 2009-07-09  Ian Lance Taylor  <iant@google.com>
4102         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4103         Reserve space in the hash table.
4105 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4107         * fileread.cc (File_read::get_mtime): New method.
4108         * fileread.h (Timespec): New structure.
4109         (File_read::get_mtime): New method.
4110         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4111         Renamed from timestamp_nsec.
4112         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4113         Elf_Xword.
4114         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4115         timestamp_nsec.
4116         (Incremental_inputs::report_archive): Save mtime; style fix. 
4117         (Incremental_inputs::report_obejct): Save mtime; style fix.
4118         (Incremental_inputs::report_script): Save mtime; style fix.
4119         (Incremental_inputs::finalize_inputs): Style fix.
4120         (Incremental_inputs::finalize): Style fix.
4121         (Incremental_inputs::create_input_section_data): Store inputs
4122         mtime.
4123         * incremental.h (Incremental_inputs::report_script): Add mtime
4124         argument.
4125         (Incremental_inputs::Input_info::Input_info): Intialize only one
4126         union member.
4127         (Incremental_inputs::Input_info::archive): Move to nameless
4128         union.
4129         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4130         (Incremental_inputs::Input_info::script): Move to nameless union.
4131         (Incremental_inputs::mtime): New field.
4132         * script.cc (read_input_script): Pass file mtime to
4133         Incremental_input.
4134         * script.h (Script_info::inputs): Style fix.
4136 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4138         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4139         instead of 32.
4141 2009-06-24  Ian Lance Taylor  <iant@google.com>
4143         PR 10156
4144         * layout.cc (Layout::choose_output_section): If we find an
4145         existing section, update the flags.
4146         (Layout::create_notes): New function, broken out of
4147         Layout::finalize.
4148         (Layout::finalize): Don't create note sections.
4149         (Layout::create_note): Don't crash if linker script discards
4150         section.
4151         (Layout::create_gold_note): Likewise.
4152         (Layout::create_build_id): Likewise.  Don't set
4153         after_input_sections on the section.
4154         (Layout::create_executable_stack_info): Remove target parameter.
4155         Change caller.
4156         * layout.h (class Layout): Declare create_notes.  Update
4157         declaration of create_executable_stack_info.
4158         * gold.cc (queue_middle_tasks): Call create_notes.
4159         * output.cc (Output_section::update_flags_for_input_section): Move
4160         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4161         invalid.
4162         * output.h (Output_data::mark_address_invalid): New function.
4163         (class Output_section): Only declare, not define,
4164         update_flags_for_input_section.  Remove set_flags.
4166 2009-06-24  Ian Lance Taylor  <iant@google.com>
4168         * script-sections.cc (Output_section_definition::
4169         set_section_addresses): Rename shadowing local load_address to
4170         laddr.
4172 2009-06-24  Ian Lance Taylor  <iant@google.com>
4174         PR 10244
4175         * reloc.cc (relocate_sections): Skip empty relocation sections.
4177 2009-06-23  Ian Lance Taylor  <iant@google.com>
4179         PR 10156
4180         * layout.cc (Layout::create_note): Use choose_output_section
4181         rather than make_output_section.
4183 2009-06-23  Ian Lance Taylor  <iant@google.com>
4185         PR 10237
4186         * options.cc (General_options::parse_V): Set printed_version_.
4187         (General_options::General_options): Initialize printed_version_.
4188         * options.h (class General_options): Add printed_version_ field.
4189         * gold.cc (queue_initial_tasks): If there are no input files,
4190         don't give a fatal error if we printed the version information.
4191         (queue_middle_tasks): If using -r with a shared object, give a
4192         fatal error rather than an ordinary error.
4194 2009-06-23  Ian Lance Taylor  <iant@google.com>
4196         PR 10219
4197         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4198         (Layout::make_output_section): Set have_stabstr_section_ if we see
4199         a .stab*str section.
4200         (Layout::finalize): Call link_stabs_sections.
4201         (Layout::link_stabs_sections): New file.
4202         * layout.h (class Layout): Add have_stabstr_section_ field.
4203         Declare link_stabs_sections.
4205 2009-06-23  Doug Kwan  <dougkwan@google.com>
4207         * Makefile.am (libgold_a_LIBADD): New.
4208         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4209         * Makefile.in: Regenerate.
4210         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4211         * configure: Regenerate.
4212         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4213         * fileread.cc: Include sys/state.h
4214         * gold.h: Declare memmem and strndup if found missing.
4215         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4217 2009-06-23  Ian Lance Taylor  <iant@google.com>
4219         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4220         * configure: Rebuild.
4222 2009-06-23  Ian Lance Taylor  <iant@google.com>
4224         PR 10147
4225         * object.cc (Object::section_contents): Don't try to get a view if
4226         the section has length zero.
4227         (Object::handle_gnu_warning_section): If the section is empty, use
4228         the name of the section as the warning.
4230 2009-06-23  Ian Lance Taylor  <iant@google.com>
4232         PR 10133
4233         * stringpool.h (class Stringpool_template): Add optimize_ field.
4234         (Stringpool_template::set_optimize): New function.
4235         * stringpool.cc (Stringpool_template::Stringpool_template):
4236         Initialize optimize_ field.
4237         (Stringpool_template::set_string_offsets): Test local optimize
4238         fild rather than parameter.
4239         * layout.cc (Layout::Layout): Call set_optimize on the section
4240         name stringpool.
4242 2009-06-22  Ian Lance Taylor  <iant@google.com>
4244         PR 10030
4245         * yyscript.y: Parse TARGET.
4246         * script.cc (script_set_target): New function.
4247         * script-c.h (script_set_target): Declare.
4248         * options.cc (General_options::string_to_object_format): Rename
4249         from string_to_object_format in anonymous namespace.  Change
4250         callers.
4251         * options.h (class General_options): Declare
4252         string_to_object_format.
4254 2009-06-22  Ian Lance Taylor  <iant@google.com>
4256         * script-sections.cc (Script_sections::create_segments): Don't put
4257         program headers in a PT_LOAD segment if -n or -N.
4259 2009-06-22  Ian Lance Taylor  <iant@google.com>
4261         PR 10141
4262         * options.h (class General_options): Add -z lazy and -z now.  Sort
4263         -z options into alphabetical order.
4264         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4266 2009-06-21  Ian Lance Taylor  <iant@google.com>
4268         * layout.cc (Layout::make_output_section): Call
4269         Target::new_output_section.
4270         (Layout::attach_allocated_section_to_segment): Put large section
4271         sections in a separate load segment with the large segment flag
4272         set.
4273         (Layout::segment_precedes): Sort large data segments after other
4274         load segments.
4275         (align_file_offset): New static function.
4276         (Layout::set_segment_offsets): Use align_file_offset.
4277         * output.h (class Output_section): Add is_small_section_ and
4278         is_large_section_ fields.
4279         (Output_section::is_small_section): New function.
4280         (Output_section::set_is_small_section):  New function.
4281         (Output_section::is_large_section): New function.
4282         (Output_section::set_is_large_section): New function.
4283         (Output_section::is_large_data_section): New function.
4284         (class Output_segment): Add is_large_data_segment_ field.
4285         (Output_segment::is_large_data_segment): New function.
4286         (Output_segment::set_is_large_data_segment): New function.
4287         * output.cc (Output_section::Output_section): Initialize new
4288         fields.
4289         (Output_segment::Output_segment): Likewise.
4290         (Output_segment::add_output_section): Add assertion that large
4291         data sections always go in large data segments.  Force small data
4292         sections to the end of the list of data sections.  Force small BSS
4293         sections to the start of the list of BSS sections.  For large BSS
4294         sections to the end of the list of BSS sections.
4295         * symtab.h (class Symbol): Declare is_common_shndx.
4296         (Symbol::is_defined): Check Symbol::is_common_shndx.
4297         (Symbol::is_common): Likewise.
4298         (class Symbol_table): Define enum Commons_section_type.  Update
4299         declarations.  Add small_commons_ and large_commons_ fields.
4300         * symtab.cc (Symbol::is_common_shndx): New function.
4301         (Symbol_table::Symbol_table): Initialize new fields.
4302         (Symbol_table::add_from_object): Put small and large common
4303         symbols in the right list.
4304         (Symbol_table::sized_finalized_symbol): Check
4305         Symbol::is_common_shndx.
4306         (Symbol_table::sized_write_globals): Likewise.
4307         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4308         common symbol lists.  Don't call do_allocate_commons_list if the
4309         list is empty.
4310         (Symbol_table::do_allocate_commons_list): Remove is_tls
4311         parameter.  Add comons_section_type parameter.  Change all
4312         callers.  Handle small and large common symbols.
4313         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4314         Symbol::is_common_shndx.
4315         * resolve.cc (symbol_to_bits): Likewise.
4316         * target.h (Target::small_common_shndx): New function.
4317         (Target::small_common_section_flags): New function.
4318         (Target::large_common_shndx): New function.
4319         (Target::large_common_section_flags): New function.
4320         (Target::new_output_section): New function.
4321         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4322         small_common_section_flags, and large_common_section_flags
4323         fields.
4324         (Target::do_new_output_section): New virtual function.
4325         * arm.cc (Target_arm::arm_info): Initialize new fields.
4326         * i386.cc (Target_i386::i386_info): Likewise.
4327         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4328         Likewise.
4329         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4330         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4331         (Target_x86_64::do_new_output_section): New function.
4332         * configure.ac: Define conditional MCMODEL_MEDIUM.
4333         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4334         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4335         (large_LDFLAGS): Define.
4336         * testsuite/large.c: New file.
4337         * testsuite/testfile.cc (Target_test::test_target_info):
4338         Initialize new fields.
4339         * configure, testsuite/Makefile.in: Rebuild.
4341 2009-06-05  Doug Kwan  <dougkwan@google.com>
4343         * Makefile.am (CCFILES): Add target.cc.
4344         * Makefile.in: Regenerate. 
4345         * i386.cc (class Target_i386): Define new virtual method to
4346         override do_is_local_label_name in parent.
4347         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4348         local symbols if --discard-locals or -X is given.
4349         * options.h (class General_options): Declare new options
4350         '--discard-locals' and '-X' for discarding locals.
4351         * target.h (class Target): Define new methods is_local_label_name.
4352         Declare new virtual method do_is_local_label_name.
4353         * target.cc: New file.
4354         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4355         (check_SCRIPTS): Add discard_locals_test.sh.
4356         (check_DATA): Add discard_local_tests.syms.
4357         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4358         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4359         * testsuite/Makefile.in: Regenerate.
4360         * testsuite/discard_locals_test.c: New file.
4361         * testsuite/discard_locals_test.sh: Same.
4363 2009-06-05  Doug Kwan  <dougkwan@google.com>
4365         * object.cc (Sized_relobj::Sized_relobj): Initialize
4366         discarded_eh_frame_shndx_ to -1U.
4367         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4368         section.
4369         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4370         a discarded .eh_frame section.
4371         (Sized_relobj::do_finalize_local_symbols): Ditto.
4372         * object.h (class Sized_relobj): Declare new member
4373         discarded_eh_frame_shndx_.
4374         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4375         (local_labels_test.o, local_labels_test): New rules.
4376         * testsuite/Makefile.in: Regenerate.
4378 2009-06-04  Doug Kwan  <dougkwan@google.com>
4380         * layout.cc (Layout::section_name_mapping): Add mapping for
4381         special ARM sections.
4383 2009-06-03  Doug Kwan  <dougkwan@google.com>
4385         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4386         (utils::has_overflow): Same.
4388 2009-06-03  Ian Lance Taylor  <iant@google.com>
4390         * layout.cc (Layout::section_name_mapping): New array, replacing
4391         Layout::linkonce_mapping.
4392         (Layout::section_name_mapping_count): New variable, replacing
4393         Layout::linkonce_mapping_count.
4394         (Layout::linkonce_output_name): Remove.
4395         (Layout::output_section_name): Rewrite.
4396         * layout.h (class Layout): Rename Linkonce_mapping to
4397         Section_name_mapping, linkonce_mapping to section_name_mapping,
4398         linkonce_mapping_count to section_name_mapping_count.  Don't
4399         declare linkonce_output_name.
4401 2009-06-03  Doug Kwan  <dougkwan@google.com>
4403         * gold/arm.cc (namespace utils): New.
4404         (Target_arm::reloc_is_non_pic): Define new method.
4405         (class Arm_relocate_functions): New.
4406         (Target_arm::Relocate::relocate): Handle relocation types used by
4407         Android.
4409 2009-06-03  Ian Lance Taylor  <iant@google.com>
4411         * arm.cc (Target_arm::scan::global): Use || instead of |.
4413 2009-06-02  Doug Kwan  <dougkwan@google.com>
4415         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4416         issued_non_pic_error_.
4417         (class Target_arm::Scan): Declare new method check_non_pic.
4418         Define new method symbol_needs_plt_entry.
4419         Declare new data member issued_non_pic_error_.
4420         (class Target_arm::Relocate): Declare new method
4421         should_apply_static_reloc.
4422         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4423         (Target_arm::Scan::check_non_pic): Define new method.
4424         (Target_arm::Scan::local): Handle a small subset of reloc types used
4425         by Android.
4426         (Target_arm::Scan::local): Same.
4427         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4429 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4431         * incremental.cc (Incremental_inputs::report_command_line): Filter
4432         out --incremental-* options.
4434 2009-05-29  Doug Kwan  <dougkwan@google.com>
4436         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4437         template class.
4438         (class Target_arm): Update comment.
4439         (Target_arm::Target_arm): Initialize new data members GOT_,
4440         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4441         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4442         and Target_arm::rel_dyn_section.
4443         Declare new_enum Target_arm::Got_type.
4444         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4445         and DYNBSS_.
4446         Update commments for member do_dynsym_value.
4447         (Target_arm::got_size, Target_arm::plt_section,
4448         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4449         new methods inside class defintion.
4450         (Target_arm::got_section): Define new method.
4451         (Target_arm::rel_dyn_section): Same.
4452         (Output_data_plt_arm): New template class.
4453         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4454         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4455         (Output_data_plt_arm::add_entry): Same.
4456         (Output_data_plt_arm::first_plt_entry): Define new
4457         static data member for PLT instruction template.
4458         (Output_data_plt_arm::plt_entry): Same.
4459         (Output_data_plt_arm::do_write): Define new method.
4460         (Target_arm::make_plt_entry): Same.
4461         (Target_arm::do_finalize_sections): Same.
4462         (Target_arm::do_dynsym_value): Same.
4464 2009-05-28  Doug Kwan  <dougkwan@google.com>
4466         * Makefile.am (TARGETSOURCES): Add arm.cc.
4467         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4468         * Makefile.in: Regenerate.
4469         * arm.cc: New file.
4470         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4472 2009-05-26  Doug Kwan  <dougkwan@google.com>
4474         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4475         (General_options::check_excluded_libs): Strip off directories in
4476         archive name before matching like GNU ld does.
4477         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4478         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4479         (exclude_libs_test_LDFLAGS): Add linker option
4480         -Wl,--exclude-libs,libexclude_libs_test_3
4481         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4482         an explicit archive without using -l.
4483         (alt/libexclude_libs_test_3.a): New make rule.
4484         * testsuite/Makefile.in: Regenerate.
4485         * testsuite/exclude_libs_test.c : Declare lib3_default().
4486         (main): Call it.
4487         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4488         * exclude_libs_test_3.c: New file.
4490 2009-05-26  Nick Clifton  <nickc@redhat.com>
4492         * po/id.po: New Indonesian translation.
4493         * po/gold.pot: Updated template file.
4495 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4497         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4498         gc_comdat_test files.  Add -Wl,--gc-sections to build
4499         gc_comdat_test.
4500         * testsuite/Makefile.in: Regenerate.
4501         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4503 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4505         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4506         kept comdat section was garbage collected.
4507         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4508         * testsuite/Makefile.in: Regenerate.
4509         * testsuite/gc_comdat_test.sh: New file.
4510         * testsuite/gc_comdat_test_1.cc: New file.
4511         * testsuite/gc_comdat_test_2.cc: New file.
4513 2009-05-19  Doug Kwan  <dougkwan@google.com>
4515         * archive.cc (Archive::Archive): Move constructor from archive.h
4516         to here.  Initialize no_export_.
4517         (Archive::get_elf_object_for_member): Set no_export flag of object.
4518         * archive.h (Archive::Archive): Move constructor body to
4519         archive.cc.
4520         (Archive::no_export): New method.
4521         (Archive::no_export_): New field.
4522         * object.h (Object::Object): Initialize no_export_ to false.
4523         (Object::no_export, Object::set_no_export): New methods.
4524         (Object::no_export_): New field.
4525         * options.cc (General_options::parse_exclude_libs): New method.
4526         (General_options::check_excluded_libs) Same.
4527         * options.h (exclude_libs): New option.
4528         (General_options::check_excluded_libs): New method declaration.
4529         (General_options::excluded_libs_): New field.
4530         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4531         default or protected visibility if an object has no-export flag set.
4532         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4533         (check_SCRIPTS): Add exclude_libs_test.sh.
4534         (check_DATA): Add exclude_libs_test.syms.
4535         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4536         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4537         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4538         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4539         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4540         libexclude_libs_test_2.a): New rules.
4541         * testsuite/Makefile.in: Regenerate.
4542         * testsuite/exclude_libs_test.c: New file.
4543         * testsuite/exclude_libs_test.sh: Ditto.
4544         * testsuite/exclude_libs_test_1.c: Ditto.
4545         * testsuite/exclude_libs_test_2.c: Ditto.
4547 2009-05-15  Ian Lance Taylor  <iant@google.com>
4549         * configure.ac: Check for declarations for cases where libiberty.h
4550         checks HAVE_DECL_xxx.
4551         * configure, config.in: Rebuild.
4553 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4555         * gold.h (Incremental_argument_list): Remove (invalid) forward
4556         declaration.
4557         * incremental.cc (Incremental_inputs::report_achive): New method.
4558         (Incremental_inputs::report_object): New method.
4559         (Incremental_inputs::report_script): New method.
4560         (Incremental_inputs::finalize_inputs): New method.
4561         (Incremental_inputs::finalize): Call finalize_inputs().
4562         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4563         Create inputs entries.
4564         * incremental.h (Incremental_input_type): New enum.
4565         (Incremental_inputs::Incremental_input): Initialize new fields.
4566         (Incremental_inputs::report_inputs): New method.
4567         (Incremental_inputs::report_achive): New method.
4568         (Incremental_inputs::report_object): New method.
4569         (Incremental_inputs::report_script): New method.
4570         (Incremental_inputs::finalize_inputs): New method.
4571         (Incremental_inputs::Input_info): New struct.
4572         (Incremental_inputs::Input_info_map): New typedef.
4573         (Incremental_inputs::lock_): New field.
4574         (Incremental_inputs::Inputs_): New field.
4575         (Incremental_inputs::Inputs_map): New field.
4576         * main.cc (main): Call Incremental_input::report_inputs.
4577         * options.h (Input_argument_list): Typedef moved from
4578         Input_arguments.
4579         (Input_file_group::Files): Remove, use ::Input_argument_list.
4580         (Input_file_group::Input_argument_list): Remove, use
4581         ::Input_argument_list.
4582         * plugin.cc (Plugin_manager::add_input_file): Add error in
4583         incremental build.
4584         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4585         functions.
4586         * script.cc (read_input_script): Call
4587         Incremental_input::report_script.
4588         * script.h (Script_info): New class.
4590 2009-04-27  Ian Lance Taylor  <iant@google.com>
4592         * x86_64.cc (do_adjust_output_section): Set entsize to
4593         plt_entry_size.
4595 2009-04-23  Elliott Hughes  <enh@google.com>
4597         * output.cc (Output_file::close): After short writes, continue
4598         writing from the correct offset in the buffer being written.
4600 2009-04-23  Chris Demetriou  <cgd@google.com>
4602         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4603         * configure: Regenerate.
4604         * config.in: Regenerate.
4605         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4606         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4608 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4610         * incremental.cc (Incremental_inputs_header_data): Renamed from
4611         Incremental_input_header_data.
4612         (Incremental_inputs_header_data::data_size): New field.
4613         (Incremental_inputs_header_data::put_input_file_count): Renamed
4614         from input_file_count.
4615         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4616         from command_line_offset.
4617         (Incremental_inputs_header_data::put_reserved): Renamed from
4618         put_reserved.
4619         (Incremental_inputs_entry_data): Renamed from
4620         Incremental_input_entry_data.
4621         (Incremental_inputs_entry_data::data_size): New field.
4622         (Incremental_inputs::report_command_line): New method.
4623         (Incremental_inputs::finalize): New method.
4624         (Incremental_inputs::create_incremental_inputs_data): New method.
4625         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4626         * incremental.h: New file.
4627         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4628        (Layout::finalize): Create incremental inputs section in
4629         incremental builds.
4630        (Layout::create_incremental_info_sections): New method.
4631         * layout.h (Layout::incremental_inputs): New method.
4632        (Layout::create_incremental_info_sections): New method.
4633        (Layout::incremental_inputs_): New field.
4634         * main.cc (main): Notify Incremental_input of the command line.
4636 2009-04-01  Ian Lance Taylor  <iant@google.com>
4637             Mikolaj Zalewski  <mikolajz@google.com>
4639         * gold.h (reserve_unordered_map): Define, three versions, one for
4640         each version of Unordered_map.
4641         * layout.cc (Layout::Layout): Remove options parameter.  Add
4642         number_of_input_files parameter.  Don't initialize options_.
4643         Initialize number_of_input_files_ and resized_signatures_.  Move
4644         sections_are_attached_.
4645         (Layout::layout_group): Reserve space for group_signatures_.
4646         (Layout::find_or_add_kept_section): Change name parameter to be a
4647         reference.  Resize signatures_ map when it gets large enough.
4648         (Layout::layout_eh_frame): Use parameters->options() instead of
4649         this->options_.
4650         (Layout::make_output_section): Likewise.
4651         (Layout::attach_allocated_section_to_segment): Likewise.
4652         (Layout::finalize, Layout::create_executable_stack): Likewise.
4653         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4654         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4655         * layout.h (class Layout): Update declarations.  Remove options_
4656         field.  Add number_of_input_files_ and resized_signatures_
4657         fields.  Move sections_are_attached_ field.
4658         * main.cc (main): Pass number of input files to Layout
4659         constructor.  Don't pass options.
4661 2009-03-30  Ian Lance Taylor  <iant@google.com>
4663         * ffsll.c (ffsll): Correct implementation.
4665 2009-03-27  Ian Lance Taylor  <iant@google.com>
4667         * ffsll.c: New file.
4668         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4669         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4670         * ftruncate.c (ftruncate): Declare before definition.
4671         * mremap.c (mremap): Likewise.
4672         * pread.c (pread): Likewise.
4673         * configure, Makefile.in, config.in: Rebuild.
4675         * mremap.c: New file.
4676         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4677         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4678         (mremap): Declare if HAVE_MREMAP is not defined.
4679         * configure, Makefile.in, config.in: Rebuild.
4681 2009-03-27  Cary Coutant  <ccoutant@google.com>
4683         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4684         position independent.
4685         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4686         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4688 2009-03-24  Cary Coutant  <ccoutant@google.com>
4690         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4691         an executable.
4692         (needs_dynamic_reloc): Likewise.
4694 2009-03-24  Ian Lance Taylor  <iant@google.com>
4696         * yyscript.y (file_cmd): Recognize EXTERN.
4697         (extern_name_list, extern_name_list_body): New nonterminals.
4698         * script.cc (script_add_extern): Define.
4699         * script-c.h (script_add_extern): Declare.
4701 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4703         * object.cc (is_elf_object): Define.
4704         * object.h (is_elf_object): Declare.
4705         * archive.cc (Archive::get_elf_object_for_member): Call
4706         is_elf_object.
4707         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4709 2009-03-24  Elliott Hughes  <enh@google.com>
4711         * output.cc (Output_file::map_anonymous): Define.
4712         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4713         try an anonymous one.  Report the size if the mmap fails.
4714         * output.h (class Output_file): Declare map_anonymous.
4716 2009-03-24  Ian Lance Taylor  <iant@google.com>
4718         * target-select.cc (instantiate_target): Don't acquire the lock if
4719         the instantiated_target_ field has already been set.
4721 2009-03-23  Ian Lance Taylor  <iant@google.com>
4723         * gold-threads.h (class Initialize_lock): Define.
4724         * gold-threads.cc (class Initialize_lock_once): Define.
4725         (initialize_lock_control): New static variable.
4726         (initialize_lock_pointer): New static variable.
4727         (initialize_lock_once): New static function.
4728         (Initialize_lock::Initialize_lock): Define.
4729         (Initialize_lock::initialize): Define.
4730         * target-select.h: Include "gold-threads.h".
4731         (class Target_selector): Add lock_ and initialize_lock_ fields.
4732         Don't define instantiate_target, just declare it.
4733         * target-select.cc (Target_selector::Target_selector): Initialize
4734         new fields.
4735         (Target_selector::instantiate_target): Define.
4736         * descriptors.h: Include "gold-threads.h".
4737         (class Descriptors): Add initialize_lock_ field.
4738         * descriptors.cc (Descriptors::Descriptors): Initialize new
4739         field.
4740         (Descriptors::open): Use initialize_lock_ field
4741         * errors.h (class Errors): Add initialize_lock_ field.
4742         * errors.cc (Errors::Errors): Initialize new field.
4743         (Errors::initialize_lock): Use initialize_lock_ field.
4744         * powerpc.cc (class Target_selector_powerpc): Remove
4745         instantiated_target_ field.  In do_recognize call
4746         instantiate_target rather than do_instantiate_target.  In
4747         do_instantiate_target just allocate a new target.
4748         * sparc.cc (class Target_selector_sparc): Likewise.
4750         * freebsd.h: New file.
4751         * i386.cc: Include "freebsd.h".
4752         (Target_i386): Derive from Target_freebsd rather than
4753         Sized_target.
4754         (Target_selector_i386): Derive from Target_selector_freebsd rather
4755         than Target_selector.
4756         * x86_64.cc: Include "freebsd.h".
4757         (Target_x86_64): Derive from Target_freebsd rather than
4758         Sized_target.
4759         (Target_selector_x86_64): Derive from Target_selector_freebsd
4760         rather than Target_selector.
4761         * target.h (class Target): Add adjust_elf_header and
4762         do_adjust_elf_header.
4763         * output.cc (Output_file_header:: do_sized_write): Call target
4764         adjust_elf_header routine.
4765         * configure.tgt: Set targ_osabi.
4766         * configure.ac: Define GOLD_DEFAULT_OSABI.
4767         * parameters.cc (Parameters::default_target): Pass
4768         GOLD_DEFAULT_OSABI to select_target.
4769         * target-select.h (class Target_selector): Make instantiate_target
4770         protected rather than private.
4771         * Makefile.am (HFILES): Add freebsd.h.
4772         * configure, Makefile.in, config.in: Rebuild.
4774         * merge.cc (do_add_input_section): Correct pend value.  Change
4775         message about last entry not being null terminated from error to
4776         warning.
4778 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4780         * incremental.cc: New file.
4781         * Makefile.am (CCFILES): Add incremental.cc.
4782         * Makefile.in: Rebuild.
4784 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
4786         * layout.cc (Layout::output_section_name): Preserve names
4787         of '.note.' sections.
4788         
4789 2009-03-19  Ian Lance Taylor  <iant@google.com>
4791         * descriptors.cc (Descriptors::open): Check that the options are
4792         valid before using them.
4794 2009-03-18  Ian Lance Taylor  <iant@google.com>
4796         * script-sections.h: Include <list>.
4797         (class Script_sections): Change Sections_elements from std::vector
4798         to std::list.  Typedef public Elements_iterator.  Add
4799         orphan_section_placement_, data_segment_align_start_, and
4800         saw_data_segment_align_ fields.  Remove data_segment_align_index_
4801         field.
4802         * script-sections.cc (class Orphan_section_placement): New class.
4803         (class Sections_element): Add virtual functions is_relro and
4804         orphan_section_init.  Remove virtual function place_orphan_here.
4805         (class Output_section_definition): Add is_relro and
4806         orphan_section_init.  Remove place_orphan_here.
4807         (class Orphan_output_section): Likewise.
4808         (Script_sections::Script_sections): Update for field changes.
4809         (Script_sections::data_segment_align): Set saw_data_segment_align_
4810         and data_segment_align_start_, not data_segment_align_index.
4811         (Script_sections::data_segment_relro_end): Check
4812         saw_data_segment_align_.  Use data_segment_align_start_ rather
4813         than data_segment_align_index_.
4814         (Script_sections::place_orphan): Rewrite to use
4815         Orphan_section_placement.
4817 2009-03-17  Ian Lance Taylor  <iant@google.com>
4819         * archive.cc (Archive::add_symbols): Check for a version attached
4820         to the symbol name in the archive map.
4821         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4822         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4823         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4824         (ver_test_11.a): New target.
4825         * testsuite/Makefile.in: Rebuild.
4827         * configure.ac: Check for chsize and posix_fallocate.  Replace
4828         ftruncate.
4829         * ftruncate.c: New file, from gnulib.
4830         * output.cc (posix_fallocate): Define dummy version if not
4831         HAVE_POSIX_FALLOCATE.
4832         (Output_file::map): Call posix_fallocate rather than lseek and
4833         write.
4834         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4835         * configure, Makefile.in, config.in: Rebuild.
4837 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
4838         
4839         * layout.h (Layout::create_note): Add section_name parameter.
4840         * layout.cc (Layout::create_note): Likewise.
4841         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4842         
4843 2009-03-17  Ian Lance Taylor  <iant@google.com>
4845         * descriptors.cc: Include "options.h".
4846         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4847         (Descriptors::open): Always use O_CLOEXEC when opening a new
4848         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
4849         then set FD_CLOEXEC.
4851         * sparc.cc (class Target_sparc): Add has_got_section.
4852         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4853         make sure we have a GOT section.
4855         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4856         (Target_sparc::Scan::local): Likewise.
4857         (Target_sparc::Scan::global): Likewise.
4858         (Target_sparc::Relocate::relocate): Likewise.
4859         (Target_sparc::Relocate::relocate_tls): Likewise.
4861         * symtab.cc (Symbol_table::define_default_version): New function,
4862         broken out of add_from_object.
4863         (Symbol_table::add_from_object): Call define_default_version.
4864         (Symbol_table::define_special_symbol): Add resolve_oldsym
4865         parameter.  Change all callers.  If the version for a symbol comes
4866         from a version script, resolve it with the symbol with the same
4867         name with no version.  Also add the symbol without a version if
4868         appropriate.
4869         (do_define_in_output_data): If resolving with oldsym, don't delete
4870         sym.
4871         (do_define_in_output_segment): Likewise.
4872         (do_define_as_constant): Likewise.
4873         * symtab.h (class Symbol_table): Update declarations.
4875 2009-03-13  Ian Lance Taylor  <iant@google.com>
4877         * readsyms.cc (Read_symbols::incompatible_warning): New function.
4878         (Read_symbols::requeue): New function.
4879         (Read_symbols::do_read_symbols): If make_elf_object fails because
4880         the target type is not configured, and the file was searched for,
4881         issue a warning and retry with the next directory.
4882         (Add_symbols::run): If the file has an incompatible format, and
4883         it was searched for, requeue the Read_symbols task.  On error,
4884         release the object.
4885         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
4886         dirindex parameter to constructor.  Change all callers.  Declare
4887         incompatible_warning and requeue.
4888         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4889         input_argument_ and input_group_ fields.  Add them to
4890         constructor.  Change all callers.
4891         (class Read_script): Add dirindex_ field.  Add it to constructor.
4892         Change all callers.
4893         * archive.cc (Archive::setup): Remove input_objects parameter.
4894         Change all callers.
4895         (Archive::get_file_and_offset): Likewise.
4896         (Archive::read_all_symbols): Likewise.
4897         (Archive::read_symbols): Likewise.
4898         (Archive::get_elf_object_for_member): Remove input_objects
4899         parameter.  Add punconfigured parameter.  Change all callers.
4900         (Archive::add_symbols): Change return type to bool.  Check return
4901         value of include_member.
4902         (Archive::include_all_members): Likewise.
4903         (Archive::include_member): Change return type to bool.  Return
4904         false if first included object has incompatible target.  Set
4905         included_member_ field.
4906         (Add_archive_symbols::run): If add_symbols returns false, requeue
4907         Read_symbols task.
4908         * archive.h (class Archive): Add included_member_ field.
4909         Initialize it in constructor.  Add input_file and searched_for
4910         methods.  Update declarations.
4911         (class Add_archive_symbols): Add dirpath_, dirindex_, and
4912         input_argument_ fields.  Add them to constructor.  Change all
4913         callers.
4914         * script.cc: Include "target-select.h".
4915         (class Parser_closure): Add skip_on_incompatible_target_ and
4916         found_incompatible_target_ fields.  Add
4917         skip_on_incompatible_target parameter to constructor.  Change all
4918         callers.  Add methods skip_on_incompatible_target,
4919         clear_skip_on_incompatible_target, found_incompatible_target, and
4920         set_found_incompatible_target.
4921         (read_input_script): Add dirindex parameter.  Change all callers.
4922         If parser finds an incompatible target, requeue Read_symbols
4923         task.
4924         (script_set_symbol): Clear skip_on_incompatible_target in
4925         closure.
4926         (script_add_assertion, script_parse_option): Likewise.
4927         (script_start_sections, script_add_phdr): Likewise.
4928         (script_check_output_format): New function.
4929         * script.h (read_input_script): Update declaration.
4930         * script-c.h (script_check_output_format): Declare.
4931         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4932         (ignore_cmd): Remove OUTPUT_FORMAT.
4933         * fileread.cc (Input_file::Input_file): Add explicit this.
4934         (Input_file::will_search_for): New function.
4935         (Input_file::open): Add pindex parameter.  Change all callers.
4936         * fileread.h (class Input_file): Add input_file_argument method.
4937         Declare will_search_for.  Update declarations.
4938         * object.cc (make_elf_object): Add punconfigured parameter.
4939         Change all callers.
4940         * object.h (class Object): Make input_file public.  Add
4941         searched_for method.
4942         (make_elf_object): Update declaration.
4943         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
4944         restart search.
4945         * dirsearch.h (class Dirsearch): Update declaration.
4946         * options.h (class General_options): Add --warn-search-mismatch.
4947         * parameters.cc (Parameters::is_compatible_target): New function.
4948         * parameters.h (class Parameters): Declare is_compatible_target.
4949         * workqueue.cc (Workqueue::add_blocker): New function.
4950         * workqueue.h (class Workqueue): Declare add_blocker.
4952         * fileread.cc (Input_file::open): Remove options parameter.
4953         Change all callers.
4954         (Input_file::open_binary): Likewise.
4955         * script.cc (read_input_script): Likewise.
4956         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
4957         options parameter from constructor.  Change all callers.
4958         (class Read_script): Likewise.
4959         * fileread.h (class Input_file): Update declarations.
4960         * script.h (read_input_script): Update declaration.
4962 2009-03-10  Nick Clifton  <nickc@redhat.com>
4964         * po/es.po: New Spanish translation.
4966 2009-03-06  Cary Coutant  <ccoutant@google.com>
4968         * options.cc (parse_short_option): Keep dash_z from registering itself.
4970 2009-03-03  Ian Lance Taylor  <iant@google.com>
4972         PR 9918
4973         * target-reloc.h (relocate_section): Pass output_section to
4974         relocate.
4975         * i386.cc (Target_i386::should_apply_static_reloc): Add
4976         output_section parameter.  Change all callers.
4977         (Target_i386::Relocate::relocate): Add output_section parameter.
4978         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4979         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4980         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4981         * testsuite/two_file_shared.sh: New script.
4982         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4983         (check_DATA): Add two_file_shared.dbg.
4984         (two_file_shared.dbg): New target.
4985         * testsuite/Makefile.in: Rebuild.
4987 2009-03-01  Ian Lance Taylor  <iant@google.com>
4989         * configure.ac: Check for byteswap.h.
4990         * configure: Rebuild.
4991         * config.in: Rebuild.
4993 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
4995         * layout.cc (Layout::find_or_add_kept_section): New function.
4996         (Layout::add_comdat): Removed.
4997         * layout.h (struct Kept_section): Move out of class Layout.
4998         Remove trailing underscores from field names.  Add group_sections
4999         field.  Rename group_ field to is_group.  Change all uses.
5000         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5001         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5002         comdat_groups_ field.
5003         (Sized_relobj::include_section_group): Use
5004         find_or_add_kept_section and Kept_section::group_sections.
5005         (Sized_relobj::include_linkonce_section): Likewise.
5006         * object.cc (class Sized_relobj): Don't define Comdat_group or
5007         Comdat_group_table.  Remove find_comdat_group and
5008         add_comdat_group.  Remove comdat_groups_ field.
5009         * plugin.cc (include_comdat_group): Use
5010         Layout::find_or_add_kept_section.
5012 2009-02-28  Ian Lance Taylor  <iant@google.com>
5014         * README: --gc-sections and map files are now supported.  Document
5015         some build requirements.
5017         PR 6992
5018         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5019         relocatable link set the value of the section symbol to zero.
5020         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5021         relocatable link don't include the section address in the local
5022         symbol value.
5024 2009-02-27  Ian Lance Taylor  <iant@google.com>
5026         PR 6811
5027         * options.h (class Search_directory): Add is_system_directory.
5028         (class General_options): Declare is_in_system_directory.
5029         * options.cc (get_relative_sysroot): Make static.
5030         (get_default_sysroot): Make static.
5031         (General_optoins::is_in_system_directory): New function.
5032         * fileread.cc (Input_file::is_in_system_directory): New function.
5033         * fileread.h (class Input_file): Declare is_in_system_directory.
5034         * object.h (class Object): Add is_in_system_directory.
5035         (class Input_objects): Remove system_library_directory_ field.
5036         * object.cc (Input_objects::add_object): Don't set
5037         system_library_directory_.
5038         (input_objects::found_in_system_library_directory): Remove.
5039         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5040         parameter.  Change all callers.
5041         (Symbol_table::sized_write_globals): Likewise.
5042         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5043         Call Object::is_in_system_directory.
5044         * symtab.h (class Symbol_table): Update declarations.
5046         PR 5990
5047         * descriptors.h (Open_descriptor): Add is_on_stack field.
5048         * descriptors.cc (Descriptors::open): If the descriptor is on the
5049         top of the stack, remove it.  Initialize is_on_stack field.
5050         (Descriptors::release): Only add pod to stack if it is not on the
5051         stack already.
5052         (Descriptors::close_some_descriptor): Clear stack_next and
5053         is_on_stack fields.
5055         PR 7091
5056         * output.cc (Output_section::find_starting_output_address): Rename
5057         from starting_output_address; add PADDR parameter; change return
5058         type.
5059         * output.h (class Output_section): Declare
5060         find_starting_output_address instead of starting_output_address.
5061         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5062         section symbol for which we can't find a merge section.
5064         PR 9836
5065         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5066         hidden or internal, force the symbol to be local.
5067         * resolve.cc (Symbol::override_visibility): Define.
5068         (Symbol::override_base): Use override_visibility.
5069         (Symbol_table::resolve): Likewise.
5070         (Symbol::override_base_with_special): Likewise.
5071         (Symbol_table::override_with_special): If the visibility is hidden
5072         or internal, force the symbol to be local.
5073         * symtab.h (class Symbol): Add set_visibility and
5074         override_visibility.
5075         * testsuite/ver_test_1.sh: New file.
5076         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5077         (check_DATA): Add ver_test_1.syms.
5078         (ver_test_1.syms): New target.
5079         * testsuite/Makefile.in: Rebuild.
5081 2009-02-25  Cary Coutant  <ccoutant@google.com>
5083         * layout.cc (Layout::choose_output_section): Don't rename sections
5084         when using a linker script that has a SECTIONS clause.
5085         * Makefile.in: Regenerate.
5087         * testsuite/Makefile.am (script_test_5.sh): New test case.
5088         * testsuite/Makefile.in: Regenerate.
5089         * testsuite/script_test_5.cc: New file.
5090         * testsuite/script_test_5.sh: New file.
5091         * testsuite/script_test_5.t: New file.
5093 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5095         * archive.cc (Archive::include_member): Update calls to add_symbols.
5096         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5097         the Layout argument.
5098         * dynobj.h (do_add_symbols): Add the Layout argument.
5099         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5100         Layout argument.
5101         * object.h (Object::add_symbols): Add the Layout argument.
5102         (Object::do_add_symbols): Add the Layout argument.
5103         (Sized_relobj::do_add_symbols): Add the Layout argument.
5104         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5105         Unify the two versions.
5106         (Add_plugin_symbols): Remove.
5107         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5108         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5109         (Add_plugin_symbols): Remove.
5110         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5111         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5112         (Add_symbols::run): Make it work with Pulginobj.
5114 2009-02-06  Ian Lance Taylor  <iant@google.com>
5116         * object.cc (Sized_relobj::do_layout): Make info message start
5117         with lower case letter.
5119 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5121         * binary.cc: Fix file comment.
5123         * options.h (enum Incremental_disposition): Define.
5124         (class General_options): Add new options: --incremental,
5125         --incremental_changed, --incremental_unchanged,
5126         --incremental_unknown.  Add incremental_disposition_ and
5127         implicit_incremental_ fields.
5128         (General_options::incremental_disposition): New function.
5129         (class Position_dependent_options): Add incremental_disposition
5130         option.
5131         (Position_dependent_options::copy_from_options): Set incremental
5132         dispositions.
5133         * options.cc (General_options::parse_incremental_changed): New
5134         function.
5135         (General_options::parse_incremental_unchanged): New function.
5136         (General_options::parse_incremental_unknown): New function.
5137         (General_options::General_options): Initialize new fields
5138         incremental_disposition_ and implicit_incremental_.
5139         (General_options::finalize): Check for uasge of --incremental-*
5140         without --incremental.
5142 2009-02-06  Chris Demetriou  <cgd@google.com>
5144         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5145         pointer and to report location as the file name associated with
5146         the symbol.
5147         (gold_undefined_symbol_at_location): New function to replace the
5148         old gold_undefined_symbol functionality.
5149         * target-reloc.h (relocate_section): Update to use
5150         gold_undefined_symbol_at_location.
5151         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5152         Call gold_undefined_symbol function rather than gold_error.
5153         * errors.h (Errors::undefined_symbol): Take location as a
5154         string, rather than calculating it from a relocation.
5155         * errors.cc (Errors::fatal): Print "fatal error:" before the
5156         formatted message.
5157         (Errors::error, Errors::error_at_location): Print "error: "
5158         before the formatted message.
5159         (Errors::undefined_symbol): Take location as a string, rather
5160         than calculating it from a relocation.
5161         (gold_undefined_symbol_at_location): New function akin to
5162         old gold_undefined_symbol, calculates location from relocation.
5163         (gold_undefined_symbol): Change to take only a Symbol pointer
5164         and to report location as the file name associated with the symbol.
5165         * testsuite/debug_msg.sh: Update for changed error messages.
5166         * testsuite/undef_symbol.sh: Likewise.
5168 2009-02-04  Duncan Sands  <baldrick@free.fr>
5170         PR 9812
5171         * reduced_debug_output.h
5172         (Output_reduced_debug_abbrev_section::failed): Use format for
5173         gold_warning.
5174         (Output_reduced_debug_info_section::faild): Likewise.
5176 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5178         * script.cc (Lazy_demangler): New class.
5179         (Version_script_info::get_symbol_version_helper): Demangle a
5180         symbol only once.
5182 2009-01-29  Cary Coutant  <ccoutant@google.com>
5184         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5185         to __tls_get_addr.
5186         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5188 2009-01-28  Ian Lance Taylor  <iant@google.com>
5190         * version.cc (version_string): Bump to 1.9.
5192         * gold.h: Include <cstring> and <stdint.h>.
5193         * version.cc: Include <cstdio>.
5194         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5195         warning.
5196         * reduced_debug_output.cc (insert_into_vector): Rename from
5197         Insert_into_vector; change all callers.  Use Swap_unaligned to
5198         avoid aliasing issue; remove union since it is unnecessary.
5200 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5202         * Makefile.am (CCFILES): Add gc.cc.
5203         (HFILES): Add gc.h.
5204         * Makefile.in: Regenerate.
5205         * gold.cc (Gc_runner): New class.
5206         (queue_initial_tasks): Call garbage collection related tasks
5207         when corresponding options are invoked.
5208         (queue_middle_gc_tasks): New function.
5209         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5210         processed early before laying out sections during garbage collection.
5211         * gold.h (queue_middle_gc_tasks): New function.
5212         (is_prefix_of): Move from "layout.cc".
5213         * i386.cc (Target_i386::gc_process_relocs): New function.
5214         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5215         * main.cc (main): Create object of class "Garbage_collection".
5216         * object.cc (Relobj::copy_symbols_data): New function.
5217         (Relobj::is_section_name_included): New function.
5218         (Sized_relobj::do_layout): Allow this function to be called twice 
5219         during garbage collection and defer layout of section during the 
5220         first call.
5221         * object.h (Relobj::get_symbols_data): New function.
5222         (Relobj::is_section_name_included): New function.
5223         (Relobj::copy_symbols_data): New function.
5224         (Relobj::set_symbols_data): New function.
5225         (Relobj::get_relocs_data): New function.
5226         (Relobj::set_relocs_data): New function.
5227         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5228         (Relobj::gc_process_relocs): New function.
5229         (Relobj::do_gc_process_relocs): New pure virtual function.
5230         (Relobj::sd_): New data member.
5231         (Sized_relobj::is_output_section_offset_invalid): New function.
5232         (Sized_relobj::do_gc_process_relocs): New function.
5233         * options.h (General_options::gc_sections): Modify to not be a no-op.
5234         (General_options::print_gc_sections): New option.
5235         * plugin.cc (Plugin_finish::run): Remove function call to
5236         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5237         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5238         * reloc.cc (Read_relocs::run): Add task to process relocs and
5239         determine unreferenced sections when doing garbage collection.
5240         (Gc_process_relocs): New class.
5241         (Sized_relobj::do_gc_process_relocs): New function.
5242         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5243         sections that are garbage collected.
5244         * reloc.h (Gc_process_relocs): New class.
5245         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5246         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5247         symbols whose corresponding sections are garbage collected.
5248         (Symbol_table::Symbol_table): Add new parameter for the garbage
5249         collection object.
5250         (Symbol_table::gc_mark_undef_symbols): New function.
5251         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5252         (Symbol_table::gc_mark_dyn_syms): New function.
5253         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5254         as garbage.
5255         (Symbol_table::add_from_object): Likewise.
5256         (Symbol_table::add_from_relobj): When building shared objects, do not
5257         treat externally visible symbols as garbage.
5258         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5259         table information for static and relocatable links.
5260         * symtab.h (Symbol_table::set_gc): New function.
5261         (Symbol_table::gc): New function.
5262         (Symbol_table::gc_mark_undef_symbols): New function.
5263         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5264         (Symbol_table::gc_mark_dyn_syms): New function.
5265         (Symbol_table::gc_): New data member.
5266         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5267         function.
5268         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5269         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5271 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5273         * options.h (General_options::gc_sections): Define as a no-op for now.
5274         (General_options::no_keep_memory): Ditto.
5275         (General_options::Bshareable): Define.
5276         * options.cc (General_options::finalize): Honor -Bshareable.
5278 2009-01-20  Andreas Schwab  <schwab@suse.de>
5280         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5281         read the value in the contents, since we don't use it.  Use the
5282         template endianness when writing.
5283         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5285 2009-01-19  Andreas Schwab  <schwab@suse.de>
5287         * configure.tgt (powerpc64-*): Fix targ_obj.
5289 2009-01-15  Ian Lance Taylor  <iant@google.com>
5291         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5292         local symbols when stripping all symbols.
5294 2009-01-14  Cary Coutant  <ccoutant@google.com>
5296         * output.cc (Output_reloc): Add explicit instantiations.
5298 2009-01-14  Cary Coutant  <ccoutant@google.com>
5300         * archive.cc (Archive::get_elf_object_for_member): Remove call
5301         to File_read::claim_for_plugin.
5302         * descriptors.cc (Descriptors::open): Remove reference to
5303         is_claimed.
5304         (Descriptors::claim_for_plugin): Remove.
5305         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5306         (Descriptors::is_claimed): Remove.
5307         (claim_descriptor_for_plugin): Remove.
5308         * fileread.cc (File_read::claim_for_plugin): Remove.
5309         * fileread.h (File_read::claim_for_plugin): Remove.
5310         (File_read::descriptor): Reopen descriptor if necessary.
5311         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5312         (Plugin_manager::all_symbols_read): Add task parameter. Change
5313         all callers.
5314         (Plugin_manager::get_input_file): New function.
5315         (Plugin_manager::release_input_file): New function.
5316         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5317         corresponding data member.
5318         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5319         and pass to base constructor. Change all callers.
5320         (get_input_file, release_input_file): New functions.
5321         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5322         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5323         (Plugin_manager::all_symbols_read): Add task parameter.
5324         (Plugin_manager::get_input_file): New function.
5325         (Plugin_manager::release_input_file): New function.
5326         (Plugin_manager::task_): New data member.
5327         (Pluginobj::Pluginobj): Add filesize parameter.
5328         (Pluginobj::filename): New function.
5329         (Pluginobj::descriptor): New function.
5330         (Pluginobj::filesize): New function.
5331         (Pluginobj::filesize_): New data member.
5332         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5333         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5334         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5336         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5337         with archive libraries.
5338         * testsuite/Makefile.in: Regenerate.
5339         * testsuite/plugin_test.c (struct sym_info): New type.
5340         (get_input_file, release_input_file): New static variables.
5341         (onload): Capture new transfer vector entries.
5342         (claim_file_hook): Stop reading at end of file according to filesize.
5343         Factor out parsing of readelf output into separate function.
5344         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5345         APIs and get the source file name from the symbol table.  Convert
5346         source file name to corresponding object file name.  Print info
5347         message when adding new input files.
5348         (parse_readelf_line): New function.
5349         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5350         * testsuite/plugin_test_2.sh: Likewise.
5351         * testsuite/plugin_test_3.sh: Likewise.
5352         * testsuite/plugin_test_4.sh: New test case.
5354 2009-01-07  Ian Lance Taylor  <iant@google.com>
5356         * version.cc (version_string): Bump to 1.8.
5358 2008-12-23  Cary Coutant  <ccoutant@google.com>
5360         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5361         * plugin.cc (Plugin_manager::finish): Rename as
5362         layout_deferred_objects.  Move cleanup to separate function.
5363         (Plugin_manager::cleanup): New function.
5364         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5365         separately.
5366         * plugin.h (Plugin_manager::finish): Rename as
5367         layout_deferred_objects.
5368         (Plugin_manager::cleanup): New function.
5369         (Plugin_manager::cleanup_done): New field.
5371 2008-12-23  Cary Coutant  <ccoutant@google.com>
5373         * plugin.cc (is_visible_from_outside): New function.
5374         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5375         so we don't return "IR only" status for exported symbols or -r links.
5377         * testsuite/Makefile.am (plugin_test_3): New test case.
5378         * testsuite/Makefile.in: Regenerate.
5379         * testsuite/plugin_test_3.sh: New file.
5381 2008-12-22  Cary Coutant  <ccoutant@google.com>
5383         * object.cc (Sized_relobj::layout_section): New function.
5384         (Sized_relobj::do_layout): Defer layout of input sections until after
5385         plugin has provided replacement files.
5386         (Sized_relobj::do_layout_deferred_sections): New function.
5387         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5388         (Relobj::layout_deferred_sections): New function.
5389         (Relobj::do_layout_deferred_sections): New function.
5390         (Sized_relobj::do_layout_deferred_sections): New function.
5391         (Sized_relobj::layout_section): New function.
5392         (Sized_relobj::Deferred_layout): New structure.
5393         (Sized_relobj::deferred_layout_): New field.
5394         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5395         Change all callers.  Layout deferred sections.
5396         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5397         references.
5398         (Plugin_hook::run): Move code from do_plugin_hook inline.
5399         (Plugin_hook::do_plugin_hook): Remove.
5400         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5401         (Plugin_manager::finish): Renamed, was cleanup.
5402         (Plugin_manager::should_defer_layout): New function.
5403         (Plugin_manager::add_deferred_layout_object): New function.
5404         (Plugin_manager::Deferred_layout_list): New type.
5405         (Plugin_manager::deferred_layout_objects_): New field.
5406         (Plugin_hook::do_plugin_hook): Remove.
5408 2008-12-17  Ian Lance Taylor  <iant@google.com>
5410         * options.h (class General_options): Add --no case for
5411         --export-dynamic.
5413 2008-12-16  Cary Coutant  <ccoutant@google.com>
5415         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5416         vector.
5417         (Plugin_manager::claim_file): Create plugin object even if
5418         plugin did not call the add_symbols callback.
5419         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5420         asking for more symbols than were added.
5421         * testsuite/Makefile.am (plugin_test_1): Add test case with
5422         no global symbols.
5423         (empty.syms): New target.
5424         * testsuite/Makefile.in: Regenerate.
5425         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5426         message. Don't call add_symbols if no globals.
5427         (all_symbols_read_hook): Don't provide replacement for empty
5428         claimed file.
5430 2008-12-12  Ian Lance Taylor  <iant@google.com>
5432         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5433         r_type == 0 for a local symbol with r_sym == 0.
5434         (scan_relocatable_relocs): Pass r_sym to
5435         local_non_section_strategy.
5436         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5437         r_sym parameter.
5439         * configure.ac: Update test for TLS descriptors: they are
5440         supported as of glibc 2.9.
5441         * configure: Rebuild.
5443 2008-12-11  Ian Lance Taylor  <iant@google.com>
5445         PR 7091
5446         * target-reloc.h (Default_scan_relocatable_relocs): For each
5447         function, map r_type == 0 to RELOC_DISCARD.
5449 2008-12-10  Cary Coutant  <ccoutant@google.com>
5451         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5452         object to override a kept COMDAT group from a plugin object.
5454 2008-12-09  Ian Lance Taylor  <iant@google.com>
5456         PR 7088
5457         * yyscript.y (file_cmd): Handle INPUT.
5459         * testsuite/initpri1.c: Change all declarations to be full
5460         prototypes by adding void, to avoid compiler warnings.
5462 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5464         * options.cc (General_options::parse_plugin_opt): New.
5465         (General_options::add_plugin): The argument now is just the filename.
5466         (General_options::add_plugin_option): New.
5467         * options.h (plugin_opt): New.
5468         (add_plugin): Change argument name.
5469         (add_plugin_option): New.
5470         * plugin.cc (Plugin::load): Don't parse the plugin option.
5471         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5472         (Plugin::add_option): New.
5473         (Plugin::args_): Change type.
5474         (Plugin::filename_): New.
5475         (Plugin_manager::add_plugin_option): New.
5476         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5477         * testsuite/Makefile.in: Regenerate.
5479 2008-12-05  Cary Coutant  <ccoutant@google.com>
5481         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5482         Handle --strip-lto-sections option.
5483         * options.h (strip_lto_sections): New option.
5485 2008-12-01  Cary Coutant  <ccoutant@google.com>
5487         * plugin.cc (ld_plugin_message): Change format parameter to const.
5488         Fix mismatch between new[] and delete.
5490 2008-11-14  Cary Coutant  <ccoutant@google.com>
5492         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5493         instead of -1U.
5495 2008-11-05  Craig Silverstein  <csilvers@google.com>
5497         * options.cc (General_options::parse_dynamic_list): New function.
5498         * options.h (General_options): New flags dynamic_list,
5499         dynamic_list_data, dynamic_list_cpp_new, and
5500         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5501         (General_options::in_dynamic_list): New function.
5502         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5503         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5504         (Lex::can_continue_name): Likewise.
5505         (yylex): Likewise.
5506         (read_script_file): New parameter script_options.
5507         (read_dynamic_list): New function.
5508         (Script_options::define_dynamic_list): New function.
5509         (dynamic_list_keyword_parsecodes): New variable.
5510         (dynamic_list_keywords): New variable.
5511         * script.h (Script_options::define_dynamic_list): New function
5512         prototype.
5513         (read_dynamic_list): New function prototype.
5514         * symtab.cc (strprefix): New macro.
5515         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5516         dynamic_list_data, dynamic_list_cpp_new, and
5517         dynamic_list_cpp_typeinfo.
5518         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5519         (dynamic_list_expr): New rule.
5520         (dynamic_list_nodes): Likewise.
5521         (dynamic_list_node): Likewise.
5522         * testsuite/Makefile.am (dynamic_list): New test.
5523         * testsuite/Makefile.in: Regenerated.
5524         * testsuite/dynamic_list.t: New file.
5525         * testsuite/dynamic_list.sh: New file.
5527 2008-11-05  Craig Silverstein  <csilvers@google.com>
5529         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5530         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5531         (t11_last): Likewise.
5532         * testsuite/ver_test_6.c (main): Likewise.
5534 2008-10-07  Cary Coutant  <ccoutant@google.com>
5536         * options.c (General_options::finalize): Add check for -static and
5537         -shared.
5538         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5539         is not empty.
5541 2008-10-02  Cary Coutant  <ccoutant@google.com>
5543         * plugin.cc (make_sized_plugin_object): Fix conditional
5544         compilation to work when not all targets are enabled.
5546 2008-09-29  Cary Coutant  <ccoutant@google.com>
5548         * archive.cc (Archive::get_file_and_offset): Use filename instead
5549         of name to get library path.
5550         (Archive::include_member): Unlock external member of a thin archive.
5552         * testsuite/Makefile.am (TEST_AR): New variable.
5553         (thin_archive_test_1): New test.
5554         (thin_archive_test_2): New test.
5555         * testsuite/Makefile.in: Regenerate.
5556         * testsuite/thin_archive_main.cc: New file.
5557         * testsuite/thin_archive_test_1.cc: New file.
5558         * testsuite/thin_archive_test_2.cc: New file.
5559         * testsuite/thin_archive_test_3.cc: New file.
5560         * testsuite/thin_archive_test_4.cc: New file.
5562 2008-09-29  Cary Coutant  <ccoutant@google.com>
5564         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5565         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5566         instead of -1U.
5567         (Sized_relobj::do_finalize_local_symbols): Likewise.
5568         (Sized_relobj::map_to_kept_section): Likewise.
5569         * object.h (Sized_relobj::invalid_address): New constant.
5570         (Sized_relobj::do_output_section_offset): Check for invalid_address
5571         and return -1ULL.
5572         * output.cc (Output_reloc::local_section_offset): Use constant
5573         invalid_address instead of -1U.
5574         (Output_reloc::get_address): Likewise.
5575         (Output_section::output_address): Change -1U to -1ULL.
5576         * output.h (Output_reloc::invalid_address): New constant.
5577         * reloc.cc (Sized_relobj::write_sections): Use constant
5578         invalid_address instead of -1U.
5579         (Sized_relobj::relocate_sections): Likewise.
5580         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5581         values for merge sections.
5582         * target-reloc.h (relocate_for_relocatable): Use constant
5583         invalid_address instead of -1U.
5585 2008-09-19  Cary Coutant  <ccoutant@google.com>
5587         Add plugin functionality for link-time optimization (LTO).
5588         * configure.ac (plugins): Add --enable-plugins option.
5589         * configure: Regenerate.
5590         * config.in: Regenerate.
5591         * Makefile.am (LIBDL): New variable.
5592         (CCFILES): Add plugin.cc.
5593         (HFILES): Add plugin.h.
5594         (ldadd_var): Add LIBDL.
5595         * Makefile.in: Regenerate.
5597         * archive.cc: Include "plugin.h".
5598         (Archive::setup): Don't preread archive symbols when using a plugin.
5599         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5600         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5601         files.
5602         (Archive::include_member): Add symbols from plugin objects.
5603         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5604         * descriptors.cc (Descriptors::open): Check for file descriptors
5605         abandoned by plugins.
5606         (Descriptors::claim_for_plugin): New function.
5607         * descriptors.h (Descriptors::claim_for_plugin): New function.
5608         (Open_descriptor::is_claimed): New field.
5609         (claim_descriptor_for_plugin): New function.
5610         * fileread.cc (File_read::claim_for_plugin): New function.
5611         * fileread.h (File_read::claim_for_plugin): New function.
5612         (File_read::descriptor): New function.
5613         * gold.cc: Include "plugin.h".
5614         (queue_initial_tasks): Add task to call plugin hooks for generating
5615         new object files.
5616         * main.cc: Include "plugin.h".
5617         (main): Load plugin libraries.
5618         * object.h (Pluginobj): Declare.
5619         (Object::pluginobj): New function.
5620         (Object::do_pluginobj): New function.
5621         (Object::set_target): New function.
5622         * options.cc: Include "plugin.h".
5623         (General_options::parse_plugin): New function.
5624         (General_options::General_options): Initialize plugins_ field.
5625         (General_options::add_plugin): New function.
5626         * options.h (Plugin_manager): Declare.
5627         (General_options): Add --plugin option.
5628         (General_options::has_plugins): New function.
5629         (General_options::plugins): New function.
5630         (General_options::add_plugin): New function.
5631         (General_options::plugins_): New field.
5632         * plugin.cc: New file.
5633         * plugin.h: New file.
5634         * readsyms.cc: Include "plugin.h".
5635         (Read_symbols::do_read_symbols): Check for archive before checking
5636         for ELF file.  Call plugin hooks to claim files.
5637         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5638         from a real object file; force override when processing replacement
5639         files.
5640         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5641         (Symbol::init_base_object): Likewise.
5642         (Symbol::init_base_output_data): Likewise.
5643         (Symbol::init_base_output_segment): Likewise.
5644         (Symbol::init_base_constant): Likewise.
5645         (Symbol::init_base_undefined): Likewise.
5646         (Symbol::output_section): Assert that object is not a plugin.
5647         (Symbol_table::add_from_pluginobj): New function.
5648         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5649         undefined.
5650         (Symbol_table::sized_write_globals): Likewise.
5651         (Symbol_table::add_from_pluginobj): Instantiate template.
5652         * symtab.h (Sized_pluginobj): Declare.
5653         (Symbol::in_real_elf): New function.
5654         (Symbol::set_in_real_elf): New function.
5655         (Symbol::in_real_elf_): New field.
5656         (Symbol_table::add_from_pluginobj): New function.
5658         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5659         (LIBDL): New variable.
5660         (LDADD): Add LIBDL.
5661         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5662         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5663         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5664         (MOSTLYCLEANFILES): Likewise.
5665         * testsuite/Makefile.in: Regenerate.
5666         * testsuite/plugin_test.c: New file.
5667         * testsuite/plugin_test_1.sh: New file.
5668         * testsuite/plugin_test_2.sh: New file.
5670 2008-09-16  Ian Lance Taylor  <iant@google.com>
5672         * target-reloc.h (relocate_section): Check whether a symbol is
5673         defined by the ABI before reporting an undefined symbol error.
5674         * target.h (Target::is_defined_by_abi): Make parameter const.
5675         (Target::do_is_defined_by_abi): Likewise.
5676         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5677         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5678         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5679         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5680         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5681         * testsuite/Makefile.in: Rebuild.
5683         * fileread.cc (make_view): Add casts to avoid warning.
5685 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5687         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5688         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5690 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5692         * options.h (General_options::output_is_executable): New.
5693         (General_options::output_is_pie): New.
5694         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5695         for shared libraries.
5696         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5698 2008-09-11  Chris Demetriou  <cgd@google.com>
5700         * options.h (origin): New -z option.
5701         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5702         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5703         in DT_FLAGS_1.
5705 2008-09-05  Cary Coutant  <ccoutant@google.com>
5707         * fileread.cc (File_read::make_view): Add check for attempt to map
5708         beyond end of file.
5710 2008-09-05  Cary Coutant  <ccoutant@google.com>
5712         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5713         explicit instantiations.
5715 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5717         PR gold/6858
5718         * options.cc (General_options::finalize): Allow undefined symbols
5719         in shlibs if linking -shared.
5721         PR gold/6859
5722         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5723         symbols as not needing a dynsym entry.
5725 2008-08-20  Craig Silverstein  <csilvers@google.com>
5727         * fileread.cc (File_read::open): Do not lock the file unless it
5728         was successfully opened.
5730 2008-08-14  Cary Coutant  <ccoutant@google.com>
5732         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5733         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5734         * testsuite/tls_test.cc (struct int128): 128-bit struct
5735         for testing TLS relocs with non-zero addend.
5736         (v12): New TLS variable.
5737         (t12): New test.
5738         (t_last): Add check for v12.
5739         * testsuite/tls_test.h (t12): New function.
5740         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5742 2008-08-13  Ian Lance Taylor  <iant@google.com>
5744         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5745         set tls_segment_ or relro_segment_.
5746         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5747         when appropriate.
5748         * output.h (Output_section::clear_is_relro): New function.
5749         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5750         sections specially even when output_data_ is empty.
5751         (Output_segment::maximum_alignment): When first section is relro,
5752         only force alignment for PT_LOAD segments.
5753         * script.cc (script_data_segment_align): New function.
5754         (script_data_segment_relro_end): New function.
5755         * script-c.h (script_data_segment_align): Declare.
5756         (script_data_segment_relro_end): Declare.
5757         * script-sections.h (class Script_sections): Declare
5758         data_segment_align and data_segment_relro_end.  Add fields
5759         segment_align_index_ and saw_relro_end_.
5760         * script-sections.cc (class Sections_element): Add set_is_relro
5761         virtual function.  Add new bool* parameter to place_orphan_here.
5762         Add get_output_section virtual function.
5763         (class Output_section_definition): Add set_is_relro.  Add new
5764         bool* parameter to place_orphan_here.  Add get_output_section.
5765         Add is_relro_ field.
5766         (Output_section_definition::Output_section_definition): Initialize
5767         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5768         and is_relro_ fields.
5769         (Output_section_definition::place_orphan_here): Add is_relro
5770         parameter.
5771         (Output_section_definition::set_section_addresses): Set relro for
5772         output section.
5773         (Output_section_definition::alternate_constraint): Likewise.
5774         (class Orphan_output_section): Add new bool* parameter to
5775         place_orphan_here.  Add get_output_section.
5776         (Orphan_output_section::place_orphan_here): Add is_relro
5777         parameter.
5778         (Script_sections::Script_sections): Initialize
5779         data_segment_align_index_ and saw_relro_end_.
5780         (Script_sections::data_segment_align): New function.
5781         (Script_sections::data_segment_relro_end): New function.
5782         (Script_sections::place_orphan): Set or clear is_relro.
5783         (Script_sections::set_section_addresses): Force alignment of first
5784         TLS section.
5785         * yyscript.y (exp): Call script_data_segment_align and
5786         script_data_segment_relro_end.
5787         * testsuite/relro_script_test.t: New file.
5788         * testsuite/relro_test.cc (using_script): Declare.
5789         (t1, t2): Test using_script.
5790         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5791         (relro_script_test_SOURCES): Define.
5792         (relro_script_test_DEPENDENCIES): Define.
5793         (relro_script_test_LDFLAGS): Define.
5794         (relro_script_test_LDADD): Define.
5795         (relro_script_test.so): New target.
5796         * testsuite/Makefile.in: Rebuild.
5798 2008-08-06  Cary Coutant <ccoutant@google.com>
5800         * archive.cc (Archive::total_archives, Archive::total_members)
5801         (Archive::total_members_loaded): New variables.
5802         (Archive::setup): Add parameter.  Add option to preread
5803         archive symbols.
5804         (Archive::read_armap): Add counter.
5805         (Archive::get_file_and_offset): New function.
5806         (Archive::get_elf_object_for_member): New function.
5807         (Archive::read_all_symbols): New function.
5808         (Archive::read_symbols): New function.
5809         (Archive::add_symbols): Add counters.
5810         (Archive::include_all_members): Use armap to find members if it's
5811         already built.
5812         (Archive::include_member): Skip reading symbols if already read.
5813         Factored code into Archive::get_file_and_offset and
5814         Archive::get_elf_object_for_member.  Changed call to
5815         Mapfile::report_include_archive_member.
5816         (Archive::print_stats): New function.
5817         * archive.h: Declare Object and Read_symbols_data classes.
5818         (Archive::Archive): Add initializers for new members.
5819         (Archive::setup): Add parameter.
5820         (Archive::print_stats): New function.
5821         (Archive::total_archives, Archive::total_members)
5822         (Archive::total_members_loaded): New variables.
5823         (Archive::get_file_and_offset): New function.
5824         (Archive::get_elf_object_for_member): New function.
5825         (Archive::read_all_symbols): New function.
5826         (Archive::read_symbols): New function.
5827         (Archive::Archive_member): New class.
5828         (Archive::members_): New member.
5829         (Archive::num_members_): New member.
5830         * main.cc: Include archive.h.
5831         (main): Call Archive::print_stats.
5832         * mapfile.cc (Mapfile::report_include_archive_member): Delete
5833         archive parameter; member_name is now the fully-decorated name.
5834         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5835         * options.h: (General_options): Add --preread-archive-symbols option.
5836         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5837         Archive::setup.
5839 2008-08-04  Ian Lance Taylor  <iant@google.com>
5841         * symtab.h (Symbol::use_plt_offset): New function.
5842         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5843         * powerpc.cc (Relocate::relocate): Likewise.
5844         * sparc.cc (Relocate::relocate): Likewise.
5845         * x86_64.cc (Relocate::relocate): Likewise.
5846         * testsuite/weak_plt.sh: New test.
5847         * testsuite/weak_plt_main.cc: New test.
5848         * testsuite/weak_plt_shared.cc: New test.
5849         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5850         (check_PROGRAMS): Add weak_plt.
5851         (check_DATA): Add weak_plt_shared.so.
5852         (weak_plt_main_pic.o, weak_plt): New targets.
5853         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5854         * testsuite/Makefile.in: Rebuild.
5856         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5857         gcctestdir/ld.
5858         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5859         * testsuite/Makefile.in: Rebuild.
5861 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
5863         * Makefile.am (POTFILES.in): Set LC_ALL=C.
5864         * Makefile.in: Regenerate.
5865         * po/POTFILES.in: Regenerate.
5867 2008-07-29  Ian Lance Taylor  <iant@google.com>
5869         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5870         symbols before other symbols.
5871         * testsuite/script_test_2.cc (test_addr): Declare.
5872         (test_addr_alias): Declare.
5873         (main): Check that test_addr and test_addr_alias have the right
5874         values.
5875         * testsuite/script_test_2.t: Define test_addr_alias and
5876         test_addr.
5878 2008-07-24  Ian Lance Taylor  <iant@google.com>
5880         PR 5990
5881         * descriptors.cc: New file.
5882         * descriptors.h: New file.
5883         * gold-threads.h (class Hold_optional_lock): New class.
5884         * fileread.cc: Include "descriptors.h".
5885         (File_read::~File_read): Release descriptor rather than closing
5886         it.
5887         (File_read::open) [file]: Call open_descriptor rather than open.
5888         Set is_descriptor_opened_.
5889         (File_read::open) [memory]: Assert that descriptor is not open.
5890         (File_read::reopen_descriptor): New function.
5891         (File_read::release): Release descriptor.
5892         (File_read::do_read): Make non-const.  Reopen descriptor.
5893         (File_read::read): Make non-const.
5894         (File_read::make_view): Reopen descriptor.
5895         (File_read::do_readv): Likewise.
5896         * fileread.h (class File_read): Add is_descriptor_opened_ field.
5897         Update declarations.
5898         * layout.cc: Include "descriptors.h".
5899         (Layout::create_build_id): Use open_descriptor rather than open.
5900         * output.cc: Include "descriptors.h".
5901         (Output_file::open): Use open_descriptor rather than open.
5902         * archive.cc (Archive::const_iterator): Change Archive to be
5903         non-const.
5904         (Archive::begin, Archive::end): Make non-const.
5905         (Archive::count_members): Likewise.
5906         * archive.h (class Archive): Update declarations.
5907         * object.h (Object::read): Make non-const.
5908         * Makefile.am (CCFILES): Add descriptors.cc.
5909         (HFILES): Add descriptors.h.
5910         * Makefile.in: Rebuild.
5912         PR 6716
5913         * gold.h: Always include <clocale>.  Add Solaris workarounds
5914         following code in binutils/sysdep.h.
5916         PR 6048
5917         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5918         this->eh_frame_hdr_ is NULL before using it.
5920         * dynobj.cc (Versions::Versions): Update comment.
5922         * dynobj.cc (Versions::Versions): If there is an soname, use it as
5923         the base version name.
5925         * stringpool.cc (Stringpool_template::add_with_length): Set key to
5926         array size plus one.
5927         (Stringpool_template::set_string_offsets): Subtract one from key
5928         before using it as an array index.
5929         (Stringpool_template::get_offset_with_length): Likewise.
5930         (Stringpool_template::write_to_buffer): Likewise.
5931         * stringpool.h (Stringpool_template::get_offset_from_key):
5932         Likewise.
5934 2008-07-23  Ian Lance Taylor  <iant@google.com>
5936         PR 6658
5937         * object.h (Merged_symbol_value::value): Do our best to handle a
5938         negative addend.
5940         PR 6647
5941         * script.cc (Version_script_info::get_versions): Don't add empty
5942         version tag to return value.
5943         (Version_script_info::get_symbol_version_helper): Change return
5944         type to bool.  Add pversion parameter.  Change all callers.
5945         (script_register_vers_node): Don't require a non-NULL tag.
5946         * script.h (class Version_script_info): Update declarations.
5947         (Version_script_info::get_symbol_version): Change return type to
5948         bool.  Add version parameter.  Change all callers.
5949         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5950         handling.  Handle an empty version from a version script.
5951         (Symbol_table::define_special_symbol): Likewise.
5952         * testsuite/ver_test_10.script: New file.
5953         * testsuite/ver_test_10.sh: New file.
5954         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5955         (check_DATA): Add ver_test_10.syms.
5956         (ver_test_10.syms, ver_test_10.so): New target.
5957         * testsuite/Makefile.in: Rebuild.
5959 2008-07-23  Simon Baldwin  <simonb@google.com>
5961         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5962         to zero for undefined symbols from dynamic libraries.
5964 2008-07-23  Ian Lance Taylor  <iant@google.com>
5966         * symtab.cc (Symbol_table::resolve): Remove version parameter.
5967         Change all callers.
5968         * symtab.h (class Symbol_table): Update declaration.
5969         * testsuite/ver_test_9.cc: New file.
5970         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5971         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5972         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5973         (ver_test_9.so, ver_test_9.o): New targets.
5974         * testsuite/Makefile.in: Rebuild.
5976 2008-07-22  Ian Lance Taylor  <iant@google.com>
5978         * options.h (class General_options): Define --check-sections.
5979         * layout.cc (Layout::set_segment_offsets): Handle
5980         --check-sections.
5982         * options.h (class General_options): Define -n/--nmagic and
5983         -N/--omagic.
5984         * options.cc (General_options::finalize): For -n/--nmagic or
5985         -N/--omagic, set -static.
5986         * layout.cc (Layout::attach_allocated_section_to_segment): If
5987         -N/--omagic, don't put read-only and read-write sections in
5988         different segments.
5989         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5990         finding a read-only segment.
5991         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5992         don't set the minimum segment alignment to the common page size,
5993         and don't set the file offset to the address modulo the page size.
5994         * script-sections.cc (Script_sections::create_segments): If
5995         -n/--omagic, don't put read-only and read-write sections in
5996         different segments.
5998         * cref.cc: New file.
5999         * cref.h: New file.
6000         * options.h (class General_options): Add --print-symbol-counts.
6001         * main.cc (main): Issue defined symbol report if requested.
6002         * archive.cc (Archive::interpret_header): Make into a const member
6003         function.
6004         (Archive::add_symbols): Call Input_objects::archive_start and
6005         archive_stop.
6006         (Archive::const_iterator): Define new class.
6007         (Archive::begin, Archive::end): New functions.
6008         (Archive::include_all_members): Rewrite to use iterator.
6009         (Archive::count_members): New function.
6010         * archive.h (class Archive): Update declarations.
6011         (Archive::filename): New function.
6012         * object.cc: Include "cref.h".
6013         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6014         (Sized_relobj::do_get_global_symbol_counts): New function.
6015         (Input_objects::add_object): Add object to cross-referencer.
6016         (Input_objects::archive_start): New function.
6017         (Input_objects::archive_stop): New function.
6018         (Input_objects::print_symbol_counts): New function.
6019         * object.h: Declare Cref and Archive.
6020         (Object::get_global_symbol_counts): New function.
6021         (Object::do_get_global_symbol_counts): New pure virtual function.
6022         (class Sized_relobj): Add defined_count_ field.  Update
6023         declarations.
6024         (class Input_objects): Add cref_ field.  Update constructor.
6025         Update declarations.
6026         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6027         defined_count_.
6028         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6029         symbol counts.
6030         (Sized_dynobj::do_get_global_symbol_counts): New function.
6031         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6032         defined_count_.  Update declarations.  Define Symbols typedef.
6033         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6034         parameter.  Change all callers.
6035         (Symbol_table::add_from_dynobj): Add sympointers and defined
6036         parameters.  Change all callers.
6037         * symtab.h (class Symbol_table): Update declarations.
6038         * Makefile.am (CCFILES): Add cref.cc.
6039         (HFILES): Add cref.h.
6040         * Makefile.in: Rebuild.
6042 2008-07-22  Simon Baldwin  <simonb@google.com>
6044         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6045         to zero when writing undefined symbols.
6047 2008-07-22  Ian Lance Taylor  <iant@google.com>
6049         * output.cc (Output_section::add_input_section): Don't try to
6050         merge empty merge sections.
6052 2008-07-21  Craig Silverstein  <csilvers@google.com>
6054         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6055         Include symbol version in error message.
6057 2008-07-20  Chris Demetriou  <cgd@google.com>
6059         * configure.ac (gold_cv_c_random_seed): New configured variable.
6060         (RANDOM_SEED_CFLAGS): New substituted variable.
6061         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6062         * configure: Rebuild.
6063         * Makefile.in: Likewise.
6064         * testsuite/Makefile.in: Likewise.
6066 2008-07-18  Ian Lance Taylor  <iant@google.com>
6068         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6069         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6070         * testsuite/ver_test_main.cc (main): Call t4.
6071         (t4, t4_2a): Define.
6072         * testsuite/ver_test_2.cc (t4_2): Define.
6073         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6074         * testsuite/ver_test_4.cc (t4_2a): Define.
6075         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6076         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6078 2008-07-17  Ian Lance Taylor  <iant@google.com>
6080         * dynobj.cc (Versions::add_def): If we give an error about a
6081         missing version, go ahead and create the version anyhow.
6083 2008-07-10  Ian Lance Taylor  <iant@google.com>
6085         Handle output sections with more than 0x7fffffff bytes.
6086         * object.h (class Relobj): Change map_to_output_ to
6087         output_sections_, and just keep a section pointer.  Change all
6088         uses.  Move comdat group support to Sized_relobj.
6089         (Relobj::is_section_specially_mapped): Remove.
6090         (Relobj::output_section): Remove poff parameter.  Change all
6091         callers.
6092         (Relobj::output_section_offset): New function.
6093         (Relobj::set_section_offset): Rewrite.
6094         (Relobj::map_to_output): Remove.
6095         (Relobj::output_sections): New function.
6096         (Relobj::do_output_section_offset): New pure virtual function.
6097         (Relobj::do_set_section_offset): Likewise.
6098         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6099         group support from Relobj.  Update declarations.
6100         (Sized_relobj::get_output_section_offset): New function.
6101         (Sized_relobj::do_output_section_offset): New function.
6102         (Sized_relobj::do_set_section_offset): New function.
6103         * object.cc (Relobj::output_section_address): Remove.
6104         (Sized_relobj::Sized_relobj): Initialize new fields.
6105         (Sized_relobj::include_section_group): Cast find_kept_object to
6106         Sized_relobj.
6107         (Sized_relobj::include_linkonce_section): Likewise.
6108         (Sized_relobj::do_layout): Use separate arrays for output section
6109         and output offset.
6110         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6111         output_sections.
6112         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6113         output_sections and section_offsets.
6114         (Sized_relobj::write_local_symbols): Likewise.
6115         (map_to_kept_section): Compute output address directly.
6116         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6117         output_sections and section_offsets.
6118         (Sized_relobj::write_sections): Likewise.
6119         (Sized_relobj::relocate_sections): Likewise.
6120         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6121         * output.h (class Output_reloc): Update declarations.  Change
6122         u2_.relobj to Sized_relobj*.
6123         (class Output_data_reloc): Change add functions to use
6124         Sized_relobj*.
6125         * output.cc (Output_reloc::Output_reloc): Change relobj to
6126         Sized_relobj*.
6127         (Output_reloc::local_section_offset): Change return type to
6128         Elf_Addr.  Use get_output_section_offset.
6129         (Output_reloc::get_address): Likewise.
6130         (Output_section::is_input_address_mapped): Don't call
6131         is_section_specially_mapped.
6132         (Output_section::output_offset): Likewise.
6133         (Output_section::output_address): Likewise.
6134         (Output_section::starting_output_address): Likewise.
6135         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6136         parameter to Sized_relobj*.
6137         (Copy_relocs::need_copy_reloc): Likewise.
6138         (Copy_relocs::save): Likewise.
6139         * copy-relocs.h (class Copy_relocs): Update declarations.
6140         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6141         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6142         * target-reloc.h (relocate_for_relocatable): Change
6143         offset_in_output_section type to Elf_Addr.  Change code that uses
6144         it as well.
6145         * layout.cc (Layout::layout): Always set *off.
6146         * mapfile.cc (Mapfile::print_input_section): Use
6147         output_section_offset.
6148         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6149         Sized_relobj*.
6150         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6151         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6152         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6154 2008-07-03  Ian Lance Taylor  <iant@google.com>
6156         * layout.cc (Layout::include_section): Do not discard unrecognized
6157         SHT_STRTAB sections.
6159 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6161         * script.cc (Lex::can_continue_name): Make '?' allowable in
6162         version-script names.
6163         * testsuite/version_script.map: Change glob pattern to use '?'
6165 2008-06-30  Manish Singh  <yosh@gimp.org>
6167         PR 6585
6168         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6169         Correct typo.
6171 2008-06-30  Ian Lance Taylor  <iant@google.com>
6173         PR 6660
6174         PR 6682
6175         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6176         versions]: Don't try to read the value in the contents, since we
6177         don't use it.  Use the template endianness when writing.
6179 2008-06-25  Cary Coutant  <ccoutant@google.com>
6181         * fileread.cc (File_read::make_view): Assert on zero-length view.
6182         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6183         symbol table when there are no symbols to read.
6185 2008-06-23  Craig Silverstein  <csilvers@google.com>
6187         * version.cc (version_string): Bump to 1.7
6189 2008-06-18  Craig Silverstein  <csilvers@google.com>
6191         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6192         constant 0xFFFF to type Valtype.
6193         (Powerpc_relocate_functions::rel16_ha): Likewise.
6195 2008-06-17  Ian Lance Taylor  <iant@google.com>
6197         * output.h (Output_section::Input_section): Initialize p2align_ to
6198         zero for Output_section_data constructors.
6199         (Output_section::Input_section::addralign): If not an input
6200         section, return the alignment of the Output_section_data.
6201         * testsuite/copy_test.cc: New file.
6202         * testsuite/copy_test_1.cc: New file.
6203         * testsuite/copy_test_2.cc: New file.
6204         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6205         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6206         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6207         (copy_test_1_pic.o, copy_test_1.so): New targets.
6208         (copy_test_2_pic.o, copy_test_2.so): New targets.
6209         * testsuite/Makefile.in: Rebuild.
6211         * script-sections.cc (Script_sections::place_orphan): Initialize
6212         local variable exact.
6214 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6216         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6218 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6219             David S. Miller  <davem@davemloft.net>
6221         * powerpc.cc: New file.
6222         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6223         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6224         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6225         * Makefile.in: Rebuild.
6227 2008-06-09  Ian Lance Taylor  <iant@google.com>
6229         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6230         <exception>.
6231         (throwing, orig_terminate): New static variables.
6232         (terminate_handler): New static function.
6233         (t2): Set terminate handler.
6235 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6237         PR 6584
6238         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6239         alignment.
6241 2008-05-30  Cary Coutant  <ccoutant@google.com>
6243         * archive.cc (Archive::include_all_members) Correct to step
6244         over symbol table and extended name table in thin archives.
6246 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6248         PR 6407
6249         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6250         calculation.
6252 2008-05-28  Caleb Howe  <cshowe@google.com>
6254         * reduced_debug_output.cc: New file.
6255         * reduced_debug_output.h: New file.
6256         * options.h (class General_options): Add --strip-debug-non-line.
6257         * options.cc (General_options::finalize): Add strip_debug_non_line
6258         to the strip heirarchy.
6259         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6260         fields.
6261         * layout.cc: Include "reduced_debug_output.h".
6262         (Layout::Layout): Initialize new fields.
6263         (line_only_debug_sections): New static array.
6264         (is_lines_only_debug_sections): New static inline function.
6265         (Layout::include_section): Handle --strip-debug-non-line.
6266         (Layout::make_output_section): If --strip-debug-non-line, build
6267         new output sections for .debug_abbrev and .debug_info.
6268         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6269         gold.  Warn about possible overflow.
6270         (read_signed_LEB_128): Likewise.
6271         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6272         (read_signed_LEB_128): Declare.
6273         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6274         (HFILES): Add reduced_debug_output.h.
6275         * Makefile.in: Rebuild.
6277 2008-05-21  Ian Lance Taylor  <iant@google.com>
6279         * mapfile.cc: New file.
6280         * mapfile.h: New file.
6281         * options.h (class General_options): Add -M/--print-map and -Map.
6282         * options.cc (General_options::finalize): Make -M equivalent to
6283         -Map -.
6284         * main.cc: Include <cstdio> and "mapfile.h".
6285         (main): Open mapfile if requested.
6286         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6287         constructor.  Change caller.
6288         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6289         (queue_middle_tasks): Likewise.
6290         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6291         declarations.
6292         * archive.cc: Include "mapfile.h".
6293         (Archive::add_symbols): Add mapfile parameter.  Change all
6294         callers.  Pass mapfile, symbol, and reason to include_member.
6295         (Archive::include_all_members): Add mapfile parameter.  Change all
6296         callers.
6297         (Archive::include_member): Add mapfile, sym, and why parameters.
6298         Change all callers.  Report inclusion to map file.
6299         * archive.h: Include "fileread.h".
6300         (class Archive): Update declarations.
6301         (Archive::file): New const method.
6302         (class Add_archive_symbols): Add mapfile_ field.  Update
6303         constructor.  Change all callers.
6304         * readsyms.h (class Read_symbols): Likewise.
6305         (class Finish_group): Likewise.
6306         (class Read_script): Likewise.
6307         * common.cc: Include "mapfile.h".
6308         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6309         all callers.
6310         (Symbol_table::do_allocate_commons): Likewise.
6311         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6312         symbol allocation to mapfile.
6313         * common.h (class Allocate_commons_task): Add mapfile_ field.
6314         Update constructor.  Change all callers.
6315         * symtab.h (class Symbol_table): Update declarations.
6316         * layout.cc: Include "mapfile.h".
6317         (Layout_task_runner::run): Print information to mapfile.
6318         (Layout::create_gold_note): Change Output_data_fixed_space to
6319         Output_data_zero_fill.
6320         (Layout::create_build_id): Likewise.
6321         (Layout::print_to_mapfile): New function.
6322         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6323         constructor.  Change caller.
6324         (class Layout): Declare print_to_mapfile.
6325         * output.cc (Output_section::Input_section::print_to_mapfile): New
6326         function.
6327         (Output_section::add_input_section): If producing a map, always
6328         add to input_sections_ list.
6329         (Output_section::do_print_to_mapfile): New function.
6330         (Output_segment::print_sections_to_mapfile): New function.
6331         (Output_segment::print_section_list_to_mapfile): New function.
6332         * output.h: Include "mapfile.h".
6333         (Output_data::print_to_mapfile): New function.
6334         (Output_data::do_print_to_mapfile): New virtual function.
6335         (Output_segment_headers::do_print_to_mapfile): New function.
6336         (Output_file_header::do_print_to_mapfile): New function.
6337         (Output_data_const::do_print_to_mapfile): New function.
6338         (class Output_data_const_buffer): Add map_name_ field.  Update
6339         constructor.  Change all callers.  Add do_print_to_mapfile
6340         function.
6341         (class Output_data_fixed_space): Likewise.
6342         (class Output_data_space): Likewise.
6343         (class Output_data_zero_fill): New class.
6344         (Output_data_strtab::do_print_to_mapfile): New function.
6345         (Output_data_reloc_base::do_print_to_mapfile): New function.
6346         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6347         (Output_data_group::do_print_to_mapfile): New function.
6348         (Output_data_got::do_print_to_mapfile): New function.
6349         (Output_data_dynamic::do_print_to_mapfile): New function.
6350         (Output_symtab_xindex::do_print_to_mapfile): New function.
6351         (class Output_section): Declare do_print_to_mapflie.  Declare
6352         print_to_mapfile in Input_section.
6353         (class Output_segment): Declare new functions.
6354         * object.h (Sized_relobj::symbol_count): New function.
6355         * script-sections.cc
6356         (Output_section_element_dot_assignment::set_section_addresses):
6357         Change Output_data_fixed_space to Output_data_zero_fill.
6358         (Output_data_expression::do_print_to_mapfile): New function.
6359         * script.cc (read_input_script): Add mapfile parameter.  Change
6360         all callers.
6361         * script.h (read_input_script): Update declaration.
6362         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6363         (Eh_frame::do_print_to_mapfile): New function.
6364         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6365         (Output_merge_string::do_print_to_mapfile): New function.
6366         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6367         function.
6368         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6369         function.
6370         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6371         function.
6372         * Makefile.am (CCFILES): Add mapfile.cc.
6373         (HFILES): Add mapfile.h.
6374         * Makefile.in: Rebuild.
6376 2008-05-19  Ian Lance Taylor  <iant@google.com>
6378         * options.h (class General_options): Add -z relro.
6379         * layout.cc (Layout::Layout): Initialize relro_segment_.
6380         (Layout::add_output_section_data): Return the output section.
6381         (Layout::make_output_section): Rcognize relro sections and mark
6382         them appropriately.
6383         (Layout::attach_allocated_section_to_segment): Put relro sections
6384         in a PT_GNU_RELRO segment.
6385         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6386         section as relro.
6387         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6388         PT_TLS segments.
6389         (Layout::linkonce_mapping): Map d.rel.ro.local to
6390         .data.rel.ro.local.
6391         (Layout::output_section_name): Us .data.rel.ro.local for any
6392         section which begins with that.
6393         * layout.h (class Layout): Update add_output_section_data
6394         declaration.  Add relro_segment_ field.
6395         * output.cc (Output_section::Output_section): Initialize is_relro_
6396         and is_relro_local_ fields.
6397         (Output_segment::add_output_section): Group relro sections.
6398         (Output_segment::is_first_section_relro): New function.
6399         (Output_segment::maximum_alignment): If there is a relro section,
6400         align the segment to the common page size.
6401         (Output_segment::set_section_addresses): Track whether we are
6402         looking at relro sections.  If the last section is a relro
6403         section, align to the common page size.
6404         (Output_segment::set_section_list_addresses): Add in_relro
6405         parameter.  Change all callers.  Align to the page size when
6406         moving from relro to non-relro section.
6407         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6408         segment.
6409         * output.h (class Output_section): Add is_relro_ and
6410         is_relro_local_ fields.
6411         (Output_section::is_relro): New function.
6412         (Output_section::set_is_relro): New function.
6413         (Output_section::is_relro_local): New function.
6414         (Output_section::set_is_relro_local): New function.
6415         (class Output_segment): Update declarations.
6416         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6417         * sparc.cc (Target_sparc::got_section): Likewise.
6418         * x86_64.cc (Target_x86_64::got_section): Likewise.
6419         * testsuite/relro_test_main.cc: New file.
6420         * testsuite/relro_test.cc: New file.
6421         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6422         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6423         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6424         (relro_test.so, relro_test_pic.o): New targets.
6425         * testsuite/Makefile.in: Rebuild.
6427 2008-05-16  Ian Lance Taylor  <iant@google.com>
6429         * output.cc (Output_segment::add_output_section): Remove front
6430         parameter.
6431         * output.h (class Output_segment): Remove
6432         add_initial_output_section and overloaded add_output_section.
6433         Update declaration of remaining add_output_section.
6434         * layout.cc (Layout::create_interp): Call add_output_section
6435         rather than add_initial_output_section.
6436         (Layout::finish_dynamic_section): Likewise.
6438         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6439         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6440         know the dynamic type.
6441         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6442         field.  Initialize it in constructor.
6443         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6444         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6445         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6446         reloc.
6448         * output.cc (Output_reloc::get_address): Change return type to
6449         Elf_Addr.
6450         * output.h (class Output_reloc): Update get_address declaration.
6451         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6452         for section addresses.
6454 2008-05-09  Ian Lance Taylor  <iant@google.com>
6456         PR 6493
6457         * gold.cc (gold_nomem): Use return value of write.
6459 2008-05-08  Ian Lance Taylor  <iant@google.com>
6461         * symtab.c (Symbol::init_base_output_data): Add version
6462         parameter.  Change all callers.
6463         (Symbol::init_base_output_segment): Likewise.
6464         (Symbol::init_base_constant): Likewise.
6465         (Symbol::init_base_undefined): Likewise.
6466         (Sized_symbol::init_output_data): Likewise.
6467         (Sized_symbol::init_output_segment): Likewise.
6468         (Sized_symbol::init_constant): Likewise.
6469         (Sized_symbol::init_undefined): Likewise.
6470         (Symbol_table::do_define_in_output_data): If the new symbol has a
6471         version, mark it as the default.
6472         (Symbol_table::do_define_in_output_segment): Likewise.
6473         (Symbol_table::do_define_as_constant): Likewise.
6474         * symtab.h (class Symbol): Update declarations.
6475         (class Sized_symbol): Likewise.
6476         * resolve.cc (Symbol::override_version): New function.
6477         (Symbol::override_base): Call override_version.
6478         (Symbol::override_base_with_special): Likewise.
6479         * testsuite/ver_script_8.script: New file.
6480         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6481         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6482         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6483         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6485 2008-05-06  Ian Lance Taylor  <iant@google.com>
6487         PR 6049
6488         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6489         functions.
6490         (class General_options): Remove existing --undefined, and add
6491         --no-undefined instead.  Add new --undefined as synonym for -u.
6492         * archive.cc (Archive::add_symbols): Check whether symbol was
6493         named with -u.
6494         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6495         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6496         all uses.  Add IS_UNDEFINED.  Update declarations to split
6497         different versions of init_base.  Declare init_base_undefined.
6498         (Symbol::is_defined): Handle IS_UNDEFINED.
6499         (Symbol::is_undefined): Likewise.
6500         (Symbol::is_weak_undefined): Call is_undefined.
6501         (Symbol::is_absolute): Handle IS_CONSTANT.
6502         (class Sized_symbol): Update declarations to split different
6503         versions of init.  Declare init_undefined.
6504         (class Symbol_table): Declare new functions.
6505         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6506         Change all callers.
6507         (Symbol::init_base_output_data): Likewise.
6508         (Symbol::init_base_output_segment): Likewise.
6509         (Symbol::init_base_constant): Likewise.
6510         (Symbol::init_base_undefined): New function.
6511         (Sized_symbol::init_object): Rename from init.  Change all
6512         callers.
6513         (Sized_symbol::init_output_data): Likewise.
6514         (Sized_symbol::init_output_segment): Likewise.
6515         (Sized_symbol::init_constant): Likewise.
6516         (Sized_symbol::init_undefined): New function.
6517         (Symbol_table::add_undefined_symbols_from_command_line): New
6518         function.
6519         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6520         function.
6521         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6522         (Symbol::output_section): Likewise.
6523         (Symbol::set_output_section): Likewise.
6524         (Symbol_table::sized_finalize_symbol): Likewise.
6525         (Symbol_table::sized_write_globals): Likewise.
6526         * resolve.cc (Symbol_table::should_override): Likewise.
6527         (Symbol::override_base_with_special): Likewise.
6529         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6530         symbol, change it to have default visibility.
6531         * testsuite/protected_1.cc: New file.
6532         * testsuite/protected_2.cc: New file.
6533         * testsuite/protected_3.cc: New file.
6534         * testsuite/protected_main_1.cc: New file.
6535         * testsuite/protected_main_2.cc: New file.
6536         * testsuite/protected_main_3.cc: New file.
6537         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6538         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6539         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6540         (protected_1.so): New target.
6541         (protected_1_pic.o, protected_2_pic.o): New targets.
6542         (protected_3_pic.o): New target.
6543         (check_PROGRAMS): Add protected_2.
6544         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6545         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6546         * testsuite/Makefile.in: Rebuild.
6548         * options.h (DEFINE_var): Add set_user_set_##varname__.
6549         (DEFINE_bool_alias): New macro.
6550         (class General_options): Define -Bstatic using DEFINE_bool_alias
6551         rather than DEFINE_special.  Add --undefined as an alias for -z
6552         defs.
6553         * options.cc (General_options::parse_Bstatic): Remove.
6555         * options.h (class General_options): Add --fatal-warnings.
6556         * main.cc (main): Implement --fatal-warnings.
6557         * errors.h (Errors::warning_count): New function.
6559         * options.h (class General_options): Add -Bsymbolic-functions.
6560         * symtab.h (Symbol::is_preemptible): Check for
6561         -Bsymbolic-functions.
6563 2008-05-05  Ian Lance Taylor  <iant@google.com>
6565         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6566         as noVARNAME rather than no-VARNAME.
6567         (class General_options): Add option -z combreloc.
6568         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6569         get_address.
6570         (Output_reloc::sort_before) [SHT_REL]: New function.
6571         (Output_reloc::sort_before) [SHT_RELA]: New function.
6572         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6573         Sort_relocs_comparison.
6574         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6575         parameter.  Change all callers.
6576         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6577         sort_relocs parameter.  Change all callers.
6578         * output.cc (Output_reloc::get_address): New function, broken out
6579         of write_rel.
6580         (Output_reloc::write_rel): Call it.
6581         (Output_reloc::compare): New function.
6582         (Output_data_reloc_base::do_write): Optionally sort relocs.
6584         * configure.ac: If targ_extra_obj is set, link it in.
6585         * configure.tgt: Initialize all variables.
6586         (x86_64*): Set targ_extra_obj and targ_extra_size.
6587         * configure: Rebuild.
6589         * object.cc (Sized_relobj::include_section_group): Adjust section
6590         indexes read from group data.  Build vector to pass to
6591         layout_group.
6592         * layout.cc (Layout::layout_group): Add flags and shndxes
6593         parameters.  Remove contents parameter.  Change caller.  Update
6594         explicit instantiations.
6595         * layout.h (class Layout): Update layout_group declaration.
6596         * output.cc (Output_data_group::Output_data_group): Add flags and
6597         input_shndxes parameters.  Remove contents parameter.  Change
6598         caller.
6599         (Output_data_group::do_write): Change input_sections_ to
6600         input_shndxes_.
6601         * output.h (class Output_data_group): Update constructor
6602         declaration.  Rename input_sections_ to input_shndxes_.
6603         * testsuite/many_sections_test.cc: Add template.
6605 2008-04-30  Cary Coutant  <ccoutant@google.com>
6607         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6609         * layout.cc (Layout::include_section): Refactored check for debug
6610         info section.
6611         (Layout::add_comdat): Add new parameters.  Change type
6612         of signature parameter.  Add object and shndx to signatures table.
6613         (Layout::find_kept_object): New function.
6614         * layout.h: Include <cstring>.
6615         (Layout::is_debug_info_section): New function.
6616         (Layout::add_comdat): Add new parameters.
6617         (Layout::find_kept_object): New function.
6618         (Layout::Kept_section): New struct.
6619         (Layout::Signatures): Change type of map range.
6620         * object.cc (Relobj::output_section_address): New function.
6621         (Sized_relobj::include_section_group): Add new parameters.  Change
6622         calls to Layout::add_comdat.  Change to build table of kept comdat
6623         groups and table mapping discarded sections to kept sections.
6624         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6625         (Sized_relobj::do_layout): Change calls to include_section_group and
6626         include_linkonce_section.
6627         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6628         value to zero when section is discarded.
6629         (Sized_relobj::map_to_kept_section): New function.
6630         * object.h (Relobj::output_section_address): New function.
6631         (Relobj::Comdat_group): New type.
6632         (Relobj::find_comdat_group): New function.
6633         (Relobj::Comdat_group_table): New type.
6634         (Relobj::Kept_comdat_section): New type.
6635         (Relobj::Kept_comdat_section_table): New type.
6636         (Relobj::add_comdat_group): New function.
6637         (Relobj::set_kept_comdat_section): New function.
6638         (Relobj::get_kept_comdat_section): New function.
6639         (Relobj::comdat_groups_): New field.
6640         (Relobj::kept_comdat_sections_): New field.
6641         (Symbol_value::input_value): Update comment.
6642         (Sized_relobj::map_to_kept_section) New function.
6643         (Sized_relobj::include_linkonce_section): Add new parameter.
6644         * target-reloc.h (Comdat_behavior): New type.
6645         (get_comdat_behavior): New function.
6646         (relocate_section): Add code to map a discarded section to the
6647         corresponding kept section when applying a relocation.
6649 2008-04-30  Craig Silverstein  <csilvers@google.com>
6651         * dwarf_reader.cc (next_generation_count): New static var.
6652         (Addr2line_cache_entry): New struct.
6653         (addr2line_cache): New static var.
6654         (Dwarf_line_info::one_addr2line): Added caching.
6655         (Dwarf_line_info::clear_addr2line_cache): New function.
6656         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6657         cache-size parameter.
6658         (Dwarf_line_info::one_addr2line_cache): New function.
6659         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6660         new cache-size argument to one_addr2line(), and clear cache.
6662 2008-04-28  Cary Coutant  <ccoutant@google.com>
6664         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6665         R_386_PC8 relocations.
6667 2008-04-23  Ian Lance Taylor  <iant@google.com>
6669         * object.cc (Sized_relobj::include_section_group): Check for
6670         invalid section group.
6672         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6673         header size.
6675         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6676         than read for file header.
6677         * archive.cc (Archive::include_member): Likewise.
6679 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6681         * aclocal.m4: Regenerate.
6682         * configure: Regenerate.
6684 2008-04-19  Ian Lance Taylor  <iant@google.com>
6686         * version.cc (version_string): Bump to 1.6.
6688         * testsuite/Makefile.am (many_sections_r_test): New target.
6689         (many_sections_r_test_SOURCES): Remove.
6690         (many_sections_r_test_DEPENDENCIES): Remove.
6691         (many_sections_r_test_LDFLAGS): Remove.
6692         (many_sections_r_test_LDADD): Remove.
6694         * object.cc (Sized_relobj::do_add_symbols): Always pass
6695         local_symbol_count_ to add_from_relobj.
6697         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6698         every thousand variables.
6699         * testsuite/Makefile.in: Rebuild.
6701         * object.cc (Xindex::initialize_symtab_xindex): New function.
6702         (Xindex::read_symtab_xindex): New function.
6703         (Xindex::sym_xindex_to_shndx): New function.
6704         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6705         available.
6706         (Sized_relobj::do_initialize_xindex): New function.
6707         (Sized_relobj::do_read_symbols): Adjust section links.
6708         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6709         parameter.  Change all callers.
6710         (Sized_relobj::include_section_group): Adjust section links and
6711         symbol section indexes.
6712         (Sized_relobj::do_layout): Adjust section links.
6713         (Sized_relobj::do_count_local_symbols): Adjust section links and
6714         symbol section indexes.
6715         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6716         ordinary and special symbols.
6717         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6718         dynsym_xindex parameters.  Change all callers.  Adjust section
6719         links.  Use SHN_XINDEX when needed.
6720         (Sized_relobj::get_symbol_location_info): Adjust section links.
6721         Don't get fooled by special symbols.
6722         * object.h (class Xindex): Define.
6723         (class Object): Add xindex_ parameter.  Declare virtual functoin
6724         do_initialize_xindex.
6725         (Object::adjust_sym_shndx): New function.
6726         (Object::set_xindex): New protected function.
6727         (class Symbol_value): Add is_ordinary_shndx_ field.
6728         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6729         (Symbol_value::value): Assert ordinary section.
6730         (Symbol_value::initialize_input_to_output_map): Likewise.
6731         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6732         Change all callers.
6733         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6734         all callers.
6735         (class Sized_relobj): Update declarations.
6736         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6737         parameter.  Change all callers.
6738         (Sized_relobj::adjust_shndx): New function.
6739         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6740         field.
6741         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6742         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6743         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6744         (Sized_dynobj::read_dynsym_section): Adjust section links.
6745         (Sized_dynobj::read_dynamic): Likewise.
6746         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6747         section links.
6748         (Sized_dynobj::do_initialize_xindex): New function.
6749         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6750         do_initialize_xindex.
6751         (Sized_dynobj::adjust_shndx): New function.
6752         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6753         dynsym_xindex_ fields.
6754         (Layout::finalize): Add a call to set_section_indexes before
6755         creating the symtab sections.
6756         (Layout::set_section_indexes): Don't do anything if the section
6757         already has a section index.
6758         (Layout::create_symtab_sections): Add shnum parameter.  Change
6759         caller.  Create .symtab_shndx section if needed.
6760         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6761         caller.
6762         (Layout::allocated_output_section_count): New function.
6763         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6764         needed.
6765         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6766         fields.  Update declarations.
6767         (Layout::symtab_xindex): New function.
6768         (Layout::dynsym_xindex): New function.
6769         (class Write_symbols_task): Add layout_ field.
6770         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6771         Change caller.
6772         * output.cc (Output_section_headers::Output_section_headers): Add
6773         shstrtab_section parameter.  Change all callers.
6774         (Output_section_headers::do_sized_write): Store overflow values
6775         for section count and section string table section index in
6776         section header zero.
6777         (Output_file_header::do_sized_write): Check for overflow of
6778         section count and section string table section index.
6779         (Output_symtab_xindex::do_write): New function.
6780         (Output_symtab_xindex::endian_do_write): New function.
6781         * output.h (class Output_section_headers): Add shstrtab_section_.
6782         Update declarations.
6783         (class Output_symtab_xindex): Define.
6784         (Output_section::has_out_shndx): New function.
6785         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6786         field.
6787         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6788         Change all callers.
6789         (Sized_symbol::init): Likewise.
6790         (Symbol::output_section): Check for ordinary symbol.
6791         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
6792         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
6793         callers.
6794         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6795         Change all callers.  Simplify handling of symbols from sections
6796         not included in the link.
6797         (Symbol_table::add_from_dynobj): Handle ordinary symbol
6798         distinction.
6799         (Weak_alias_sorter::operator()): Assert that symbols are
6800         ordinary.
6801         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6802         distinction.
6803         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6804         parameters.  Change all callers.
6805         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
6806         symbol distinction.  Use SHN_XINDEX when needed.
6807         (Symbol_table::write_section_symbol): Add symtab_xindex
6808         parameter.  Change all callers.
6809         (Symbol_table::sized_write_section_symbol): Likewise.  Use
6810         SHN_XINDEX when needed.
6811         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
6812         declarations.
6813         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
6814         (Symbol::is_defined): Check is_ordinary.
6815         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6816         (Symbol::is_absolute, Symbol::is_common): Likewise.
6817         (class Sized_symbol): Update declarations.
6818         (class Symbol_table): Update declarations.
6819         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6820         parameters.  Change all callers.
6821         (Sized_symbol::override): Likewise.
6822         (Symbol_table::override): Likewise.
6823         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
6824         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
6825         is_ordinary, and orig_st_shndx parameters.  Change all callers.
6826         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6827         to be in an ordinary section.
6828         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6829         object and is_ordinary parameters.  Change all callers.
6830         (Sized_dwarf_line_info::read_relocs): Add object parameter.
6831         Change all callers.  Don't add undefined or non-ordinary symbols
6832         to reloc_map_.
6833         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6834         Change all callers.
6835         * dwarf_reader.h (class Sized_dwarf_line_info): Update
6836         declarations.
6837         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6838         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6839         (Sized_relobj::relocate_sections): Likewise.
6840         * target-reloc.h (scan_relocs): Adjust section symbol index.
6841         (scan_relocatable_relocs): Likewise.
6842         * i386.cc (Scan::local): Check for ordinary symbols.
6843         * sparc.cc (Scan::local): Likewise.
6844         * x86_64.cc (Scan::local): Likewise.
6845         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6846         to symbol_section_and_value.
6847         * testsuite/many_sections_test.cc: New file.
6848         * testsuite/Makefile.am (BUILT_SOURCES): Define.
6849         (check_PROGRAMS): Add many_sections_test.
6850         (many_sections_test_SOURCES): Define.
6851         (many_sections_test_DEPENDENCIES): Define.
6852         (many_sections_test_LDFLAGS): Define.
6853         (BUILT_SOURCES): Add many_sections_define.h.
6854         (many_sections_define.h): New target.
6855         (BUILT_SOURCES): Add many_sections_check.h.
6856         (many_sections_check.h): New target.
6857         (check_PROGRAMS): Add many_sections_r_test.
6858         (many_sections_r_test_SOURCES): Define.
6859         (many_sections_r_test_DEPENDENCIES): Define.
6860         (many_sections_r_test_LDFLAGS): Define.
6861         (many_sections_r_test_LDADD): Define.
6862         (many_sections_r_test.o): New target.
6863         * testsuite/Makefile.in: Rebuild.
6865 2008-04-17  Cary Coutant  <ccoutant@google.com>
6867         * errors.cc (Errors::info): New function.
6868         (gold_info): New function.
6869         * errors.h (Errors::info): New function.
6870         * gold.h (gold_info): New function.
6871         * object.cc (Input_objects::add_object): Print trace output.
6872         * options.cc (options::parse_set): New function.
6873         (General_options::parse_wrap): Deleted.
6874         (General_options::General_options): Deleted initializer.
6875         * options.h (options::String_set): New typedef.
6876         (options::parse_set): New function.
6877         (DEFINE_set): New macro.
6878         (General_options::wrap): Changed to use DEFINE_set. Changed
6879         callers of any_wrap_symbols and is_wrap_symbol.
6880         (General_options::trace, General_options::trace_symbol):
6881         New options.
6882         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6883         (General_options::wrap_symbols_): Deleted.
6884         * symtab.cc (Symbol_table::add_from_object): Print trace output.
6886 2008-04-17  David S. Miller  <davem@davemloft.net>
6888         * options.cc (General_options::parse_V): New function.
6889         * options.h: Add entries for -V and -Qy.
6891 2008-04-17  Ian Lance Taylor  <iant@google.com>
6893         * common.cc (Symbol_table::allocate_commons): Remove options
6894         parameter.  Change caller.
6895         (Symbol_table::do_allocate_commons): Remove options parameter.
6896         Change caller.  Just call do_allocate_commons_list twice.
6897         (Symbol_table::do_allocate_commons_list): New function, broken out
6898         of do_allocate_commons.
6899         * common.h (class Allocate_commons_task): Remove options_ field.
6900         Update constructor.
6901         * symtab.cc (Symbol_table::Symbol_table): Initialize
6902         tls_commons_.
6903         (Symbol_table::add_from_object): Put TLS common symbols on
6904         tls_commons_ list.
6905         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6906         which are IN_OUTPUT_DATA.
6907         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
6908         allocate_commons and do_allocate_commons declarations.  Declare
6909         do_allocate_commons_list.
6910         * gold.cc (queue_middle_tasks): Update creation of
6911         Allocate_commons_task to not pass options.
6912         * testsuite/Makefile.am (INCLUDES): Add -I.. .
6913         (TLS_TEST_C_FLAGS): New variable.
6914         (tls_test_c_pic.o): New target.
6915         (tls_test_shared.so): Link in tls_test_c_pic.o.
6916         (tls_test_c_pic_ie.o): New target.
6917         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6918         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6919         (tls_test_c.o): New target.
6920         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6921         (tls_pic_test_LDADD): Likewise.
6922         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6923         (tls_shared_gd_to_ie_test_LDADD): Likewise.
6924         (tls_test_c_gnu2.o): New target.
6925         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6926         tls_test_c_gnu2.o.
6927         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6928         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6929         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6930         * testsuite/tls_test.cc: Include "config.h".
6931         (t_last): Call t11_last.
6932         * testsuite/tls_test.h (t11, t11_last): Declare.
6933         * testsuite/tls_test_c.c: New file.
6934         * testsuite/tls_test_main.cc (thread_routine): Call t11.
6935         * configure.ac: Check for OpenMP support.
6936         * configure, config.in, Makefile.in: Rebuild.
6937         * testsuite/Makefile.in: Rebuild.
6939 2008-04-16  Cary Coutant  <ccoutant@google.com>
6941         * i386.cc (Target_i386::define_tls_base_symbol): New function.
6942         (Target_i386::tls_base_symbol_defined_): New field.
6943         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6944         (Target_i386::Scan::global): Likewise.
6945         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6946         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6947         (Target_x86_64::tls_base_symbol_defined_): New field.
6948         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6949         (Target_x86_64::Scan::global): Likewise.
6951 2008-04-16  Cary Coutant  <ccoutant@google.com>
6953         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6954         (Symbol::needs_plt_entry): Allow weak undefined symbols.
6955         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6956         building shared libraries.
6957         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6958         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6959         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6960         * testsuite/Makefile.in: Rebuild.
6961         * testsuite/weak_undef.h: New file.
6962         * testsuite/weak_undef_file1.cc: Add extra test cases.
6963         * testsuite/weak_undef_file2.cc: Likewise.
6964         * testsuite/weak_undef_test.cc: Likewise.
6966 2008-04-16  David S. Miller  <davem@davemloft.net>
6968         * sparc.cc (Target_sparc::Scan): Change from struct to class.
6969         Add issued_non_pic_error_ field.  Declare check_non_pic.
6970         (Target_sparc::Scan::check_non_pic): New function.
6971         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6972         (Target_sparc::Scan::global): Likewise.
6974         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6975         * configure: Rebuild.
6977         * options.h (DEFINE_enable): New macro.
6978         (new_dtags): New enable option.
6979         (initfirst, interpose, loadfltr, nodefaultlib,
6980         nodelete, nodlopen, nodump): New -z options.
6981         * layout.cc (Layout:finish_dynamic_section): If new
6982         dtags enabled, emit DT_RUNPATH.  Also, emit a
6983         DT_FLAGS_1 containing any specified -z flags.
6985 2008-04-16  Ian Lance Taylor  <iant@google.com>
6987         * copy-relocs.cc: New file.
6988         * copy-relocs.h: New file.
6989         * reloc.cc: Remove Copy_relocs code.
6990         * reloc.h: Likewise.
6991         * reloc-types.h (struct Reloc_types) [both versions]: Add
6992         get_reloc_addend_noerror.
6993         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6994         variants of add_global which take an addend which must be zero.
6995         * i386.cc: Include "copy-relocs.h".
6996         (class Target_i386): Change type of copy_relocs_ to variable,
6997         update initializer.
6998         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6999         Change all callers.
7000         (Target_i386::do_finalize_sections): Change handling of
7001         copy_relocs_.
7002         * sparc.cc: Include "copy-relocs.h".
7003         (class Target_sparc): Change type of copy_relocs_ to variable,
7004         update initializer.
7005         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7006         Change all callers.
7007         (Target_sparc::do_finalize_sections): Change handling of
7008         copy_relocs_.
7009         * x86_64.cc: Include "copy-relocs.h".
7010         (class Target_x86_64): Change type of copy_relocs_ to variable,
7011         update initializer.
7012         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7013         class.  Change all callers.
7014         (Target_x86_64::do_finalize_sections): Change handling of
7015         copy_relocs_.
7016         * Makefile.am (CCFILES): Add copy-relocs.cc.
7017         (HFILES): Add copy-relocs.h.
7019         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7021         * testsuite/script_test_4.sh: Permit leading zeroes.
7023 2008-04-15  Ian Lance Taylor  <iant@google.com>
7025         * script-sections.cc (Script_sections::create_segments): Use
7026         header_size_adjustment even when there is enough room for the
7027         headers.
7028         * testsuite/script_test_4.sh: New file.
7029         * testsuite/script_test_4.t: New file.
7030         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7031         (check_DATA): Add script_test_4.stdout.
7032         (MOSTLYCLEANFILES): Likewise.
7033         (script_test_4): New target.
7034         (script_test_4.stdout): New target.
7035         * testsuite/Makefile.in: Rebuild.
7037         * sparc.cc: Add definitions for Output_data_plt_sparc class
7038         constants.
7040 2008-04-14  David S. Miller  <davem@davemloft.net>
7042         * sparc.cc: New file.
7043         * Makefile.am (TARGETSOURCES): Add sparc.cc
7044         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7045         * configure.tgt: Document targ_extra_size and
7046         targ_extra_big_endian.  Add entries for sparc-* and
7047         sparc64-*.
7048         * configure.ac: Handle targ_extra_size and
7049         targ_extra_big_endian.
7050         * Makefile.in: Rebuild.
7051         * configure: Likewise.
7052         * po/POTFILES.in: Likewise.
7053         * po/gold.pot: Likewise.
7055 2008-04-14  Ian Lance Taylor  <iant@google.com>
7057         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7058         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7059         in the name/type/flags to section mapping.  Don't call
7060         allocate_output_section.
7061         (Layout::choose_output_section): Change parameter from adjust_name
7062         to is_input_section.  Don't permit input sections after sections
7063         are attached to segments.  Don't call allocate_output_section.
7064         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7065         not write_enable_output_section.
7066         (Layout::make_output_section): Don't push to
7067         unattached_section_list_ nor call attach_to_segment.  Call
7068         attach_section_to_segment if sections are attached.
7069         (Layout::attach_sections_to_segments): New function.
7070         (Layout::attach_section_to_segment): New function.
7071         (Layout::attach_allocated_section_to_segment): Rename from
7072         attach_to_segment.  Remove flags parameter.
7073         (Layout::allocate_output_section): Remove function.
7074         (Layout::write_enable_output_section): Remove function.
7075         * layout.h (class Layout): Update for above changes.  Add new
7076         field sections_are_attached_.
7077         * output.h (Output_section::update_flags_for_input_section): New
7078         function.
7079         * output.cc (Output_section::add_input_section): Call
7080         update_flags_for_input_section.
7081         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7083 2008-04-11  Cary Coutant  <ccoutant@google.com>
7085         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7086         thought unnecessary.
7087         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7089 2008-04-11  Ian Lance Taylor  <iant@google.com>
7091         * output.h (class Output_section_data): Remove inline definition
7092         of set_addralign.
7093         * output.cc (Output_section_data::set_addralign): New function.
7095 2008-04-11  Cary Coutant  <ccoutant@google.com>
7097         Add support for TLS descriptors for i386 and x86_64.
7098         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7099         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7100         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7101         GOT_TYPE_TLS_DESC.
7102         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7103         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7104         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7105         relocations.
7106         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7107         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7108         Fix problem with initial-exec relocations.
7109         (Target_i386::Relocate::relocate_tls): Likewise.
7110         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7111         relaxation.
7112         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7113         support for section-plus-offset dynamic table entries.
7114         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7115         (Output_data_dynamic::Dynamic_entry): Add support for
7116         section-plus-offset dynamic table entries.
7117         (Output_data_dynamic::Classification): Likewise.
7118         (Output_data_dynamic::classification_): Renamed offset_.
7119         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7120         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7121         (Target_x86_64::make_plt_section): New function.
7122         (Target_x86_64::reserve_tlsdesc_entries): New function.
7123         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7124         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7125         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7126         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7127         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7128         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7129         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7130         add extra PLT entry for TLS descriptors.
7131         (Output_data_plt_x86_64::got_): New field.
7132         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7133         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7134         fields.
7135         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7136         descriptors.
7137         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7138         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7139         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7140         R_386_TLS_DESC_CALL relocations.
7141         (Target_x86_64::Scan::global): Likewise.
7142         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7143         for TLS descriptors.
7144         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7145         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7146         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7147         GD-to-IE relaxation.
7148         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7149         and TLS_DESCRIPTORS.
7150         * Makefile.in: Rebuild.
7151         * configure: Rebuild.
7152         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7153         (tls_test_shared2.so): New target.
7154         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7155         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7156         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7157         (tls_shared_gd_to_ie_test_LDADD): New variable.
7158         (tls_shared_gnu2_gd_to_ie_test): New target.
7159         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7160         New targets.
7161         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7162         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7163         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7164         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7165         (tls_shared_gnu2_test): New target.
7166         (tls_test_gnu2_shared.so): New target.
7167         (tls_shared_gnu2_test_SOURCES): New variable.
7168         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7169         (tls_shared_gnu2_test_LDFLAGS): New variable.
7170         (tls_shared_gnu2_test_LDADD): New variable.
7171         * testsuite/Makefile.in: Rebuild.
7172         * testsuite/Makefile.
7174 2008-04-11  Ian Lance Taylor  <iant@google.com>
7176         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7177         justsyms.t.
7178         * testsuite/Makefile.in: Rebuild.
7180         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7181         long.
7182         * testsuite/script_test_2.cc (main): Adjust test.
7184 2008-04-11  David S. Miller  <davem@davemloft.net>
7185             Ian Lance Taylor  <iant@google.com>
7187         * options.h (General_options): Add entries for '-Y' and
7188         '-relax'.
7189         * options.cc (General_options:finalize): If -Y was used, add those
7190         entries to the library path instead of the default "/lib" and
7191         "/usr/lib".
7193 2008-04-11  David S. Miller  <davem@davemloft.net>
7195         * testsuite/justsyms.t: Start at 0x100.
7196         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7197         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7198         long.
7199         * testsuite/script_test_2.cc: Adjust string and section length
7200         checks.
7202 2008-04-09  Ian Lance Taylor  <iant@google.com>
7204         PR gold/5996
7205         * script-sections.cc (Sections_element::allocate_to_segment): Add
7206         orphan parameter.
7207         (Output_section_definition::allocate_to_segment): Likewise.
7208         (Orphan_output_section::allocate_to_segment): Likewise.
7209         (Script_sections::attach_sections_using_phdrs_clause): Don't
7210         propagate non-PT_LOAD segments to orphan sections.
7211         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7212         readelf rather than objdump.
7213         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7214         .interp section and PT_INTERP segment are the same size.
7215         * testsuite/Makefile.in: Rebuild.
7217         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7218         aliases for symbols defined in the same object.
7219         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7220         (weak_alias_test_SOURCES): New variable.
7221         (weak_alias_test_DEPENDENCIES): New variable.
7222         (weak_alias_test_LDFLAGS): New variable.
7223         (weak_alias_test_LDADD): New variable.
7224         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7225         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7226         (weak_alias_test_3.o): New target.
7227         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7228         * testsuite/weak_alias_test_main.cc: New file.
7229         * testsuite/weak_alias_test_1.cc: New file.
7230         * testsuite/weak_alias_test_2.cc: New file.
7231         * testsuite/weak_alias_test_3.cc: New file.
7233 2008-04-08  Ian Lance Taylor  <iant@google.com>
7235         * options.h (class General_options): Add --noinhibit-exec option.
7236         * main.cc (main): Check --noinhibit-exec.
7238         * options.h (class General_options): Define --wrap as a special
7239         option.  Add wrap_symbols_ field.
7240         (General_options::any_wrap_symbols): New function.
7241         (General_options::is_wrap_symbol): New function.
7242         * options.cc (General_options::parse_wrap): New function.
7243         (General_options::General_options): Initialize wrap_symbols_.
7244         * symtab.cc (Symbol_table::wrap_symbol): New function.
7245         (Symbol_table::add_from_object): Handle --wrap.
7246         * symtab.h (class Symbol_table): Declare wrap_symbol.
7247         * target.h (Target::wrap_char): New function.
7248         (Target::Target_info): Add wrap_char field.
7249         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7250         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7251         * testsuite/testfile.cc (Target_test::test_target_info):
7252         Likewise.
7254         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7255         there is one.
7257         * layout.h (class Layout): Add added_eh_frame_data_ field.
7258         * layout.cc (Layout::Layout): Initialize new field.
7259         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7260         output section until we find a section we merged successfully.
7261         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7262         that the size be non-zero.
7264         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7265         qualifier.
7267 2008-04-08  Craig Silverstein  <csilvers@google.com>
7269         * configure.ac: Export new conditional variable HAVE_ZLIB.
7270         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7271         on HAVE_ZLIB.
7272         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7273         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7275 2008-04-07  Ian Lance Taylor  <iant@google.com>
7277         * version.cc (version_string): Set to "1.5".
7279         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7280         Add issued_non_pic_error_ field.  Declare check_non_pic.
7281         (Target_x86_64::Scan::check_non_pic): New function.
7282         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7283         (Target_x86_64::Scan::global): Likewise.
7285         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7286         addend parameter.  Change caller.  Handle merge sections.
7287         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7288         Address to Addend.  Don't add in the result of
7289         local_section_offset, pass down the addend and use the returned
7290         value.
7291         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7292         Update declarations of local_section_offset and symbol_value.
7293         * testsuite/two_file_test_1.cc (t18): New function.
7294         * testsuite/two_file_test_2.cc (f18): New function.
7295         * testsuite/two_file_test_main.cc (main): Call t18.
7296         * testsuite/two_file_test.h (t18, f18): Declare.
7298         * configure.ac: Don't test for objdump, c++filt, or readelf.
7299         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7300         conditionals.
7301         (TEST_READELF): New variable.
7302         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7303         (check_PROGRAMS): Add two_file_strip_test.
7304         (two_file_strip_test): New target.
7305         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7306         (two_file_same_shared_strip_test_SOURCES): New variable.
7307         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7308         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7309         (two_file_same_shared_strip_test_LDADD): New variable.
7310         (two_file_shared_strip.so): New target.
7311         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7312         (ver_test_5.syms, ver_test_7.syms): Likewise.
7313         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7314         (strip_test_3.stdout): Use TEST_OBJDUMP.
7315         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7317 2008-04-04  Cary Coutant  <ccoutant@google.com>
7319         * symtab.h (Symbol::is_weak_undefined): New function.
7320         (Symbol::is_strong_undefined): New function.
7321         (Symbol::is_absolute): New function.
7322         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7323         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7324         absolute symbols.
7325         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7326         (weak_undef_test): New target.
7327         * testsuite/Makefile.in: Rebuild.
7328         * testsuite/weak_undef_file1.cc: New file.
7329         * testsuite/weak_undef_file2.cc: New file.
7330         * testsuite/weak_undef_test.cc: New file.
7332 2008-04-03  Craig Silverstein  <csilvers@google.com>
7334         * compressed_output.h (class Output_compressed_section): Use
7335         unsigned buffer.
7336         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7337         add zlib header.
7338         (zlib_compressed_suffix): Removed.
7339         (Output_compressed_section::set_final_data_size): Use unsigned
7340         buffers.
7341         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7342         Fix linker invocation.
7343         (flagstest_o_specialfile_and_compress_debug_sections):
7344         Likewise.
7345         * testsuite/Makefile.in: Regenerated.
7347 2008-04-02  David S. Miller  <davem@davemloft.net>
7349         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7350         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7352 2008-04-02  Craig Silverstein  <csilvers@google.com>
7354         * TODO: New file.
7356 2008-04-02  Ian Lance Taylor  <iant@google.com>
7358         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7359         parameters.  Update for new key type to views_.  Change all
7360         callers.
7361         (File_read::read): Adjust for byteshift in returned view.
7362         (File_read::add_view): New function, broken out of
7363         find_and_make_view.
7364         (File_read::make_view): New function, broken out of
7365         find_and_make_view.
7366         (File_read::find_or_make_view): Add offset and aligned
7367         parameters.  Rewrite accordingly.  Change all callers.
7368         (File_read::get_view): Add offset and aligned parameters.  Adjust
7369         for byteshift in return value.
7370         (File_read::get_lasting_view): Likewise.
7371         * fileread.h (class File_read): Update declarations.
7372         (class File_read::View): Add byteshift_ field.  Add byteshift to
7373         constructor.  Add byteshift method.
7374         * archive.h (Archive::clear_uncached_views): New function.
7375         (Archive::get_view): Add aligned parameter.  Change all callers.
7376         * object.h (Object::get_view): Add aligned parameter.  Change all
7377         callers.
7378         (Object::get_lasting_view): Likewise.
7380         * fileread.cc (File_read::release): Don't call clear_views if
7381         there are multiple objects.
7382         * fileread.h (File_read::clear_uncached_views): New function.
7383         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7384         on the archive.
7386 2008-03-31  Cary Coutant  <ccoutant@google.com>
7388         Add thin archive support.
7389         * archive.cc (Archive::armagt): New const.
7390         (Archive::setup): Remove task parameter and calls to unlock.
7391         (Archive::unlock_nested_archives): New function.
7392         (Archive::read_header): Add nested_off parameter. Change
7393         all callers.
7394         (Archive::interpret_header): Likewise.
7395         (Archive::include_all_members): Change to handle thin
7396         archives.
7397         (Archive::include_member): Likewise.
7398         * archive.h (Archive::Archive): Add new parameters and
7399         initializers.
7400         (Archive::armagt): New const.
7401         (Archive::setup): Remove task parameter.
7402         (Archive::unlock_nested_archives): New function.
7403         (Archive::read_header): Add nested_off parameter.
7404         (Archive::interpret_header): Likewise.
7405         (Archive::Nested_archive_table): New typedef.
7406         (Archive::is_thin_archive_): New field.
7407         (Archive::nested_archives_): New field.
7408         (Archive::options_): New field.
7409         (Archive::dirpath_): New field.
7410         (Archive::task_): New field.
7411         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7412         for thin archives.  Pass additional parameters to
7413         Archive::Archive.  Unlock the archive file after calling
7414         Archive::setup.
7416 2008-03-29  Ian Lance Taylor  <iant@google.com>
7418         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7419         version symbol to be local.
7420         * testsuite/ver_test_4.sh: New file.
7421         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7422         (check_DATA): Add ver_test_4.syms.
7423         (ver_test_4.syms): New target.
7424         * testsuite/Makefile.in: Rebuild.
7426         * output.cc
7427         (Output_section::Input_section_sort_entry::has_priority): New
7428         function.
7429         (Output_section::Input_section_sort_entry::match_file_name): New
7430         function.
7431         (Output_section::Input_section_sort_entry::match_section_name):
7432         Remove.
7433         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7434         Remove.
7435         (Output_section::Input_section_sort_entry::match_section_file):
7436         Remove.
7437         (Output_section::Input_section_sort_compare::operator()): Rewrite
7438         using new Input_section_sort_entry functions.  Sort crtbegin and
7439         crtend first.  Sort sections with no priority before sections with
7440         a priority.
7441         * testsuite/initpri1.c (d3): Check j != 4.
7442         (cd5): New constructor/destructor function.
7443         (main): Check j != 2.
7445         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7446         new symbol when resolving, don't call set_is_default.
7447         * testsuite/ver_test_7.cc: New file.
7448         * testsuite/ver_test_7.sh: New file.
7449         * testsuite/Makefile.am (ver_test_7.so): New target.
7450         (ver_test_7.o): New target.
7451         (check_SCRIPTS): Add ver_test_7.sh.
7452         (check_DATA): Add ver_test_7.syms.
7453         (ver_test_7.syms): New target.
7455 2008-03-28  Ian Lance Taylor  <iant@google.com>
7457         * layout.cc (Layout::layout): If we see an input section with a
7458         name that needs sorting, set the must_sort flag for the output
7459         section.
7460         (Layout::make_output_section): If the name of the output section
7461         indicates that it might require sorting, set the may_sort flag.
7462         * output.h (Output_section::may_sort_attached_input_sections): New
7463         function.
7464         (Output_section::set_may_sort_attached_input_sections): New
7465         function.
7466         (Output_section::must_sort_attached_input_sections): New
7467         function.
7468         (Output_section::set_must_sort_attached_input_sections): New
7469         function.
7470         (class Output_section): Declare Input_section_sort_entry.  Define
7471         Input_section_sort_compare.  Declare
7472         sort_attached_input_sections.  Add new fields:
7473         may_sort_attached_input_sections_,
7474         must_sort_attached_input_sections_,
7475         attached_input_sections_are_sorted_.
7476         * output.cc (Output_section::Output_section): Initialize new
7477         fields.
7478         (Output_section::add_input_section): Add an entry to
7479         input_sections_ if may_sort or must_sort are true.
7480         (Output_section::set_final_data_size): Call
7481         sort_attached_input_sections if necessary.
7482         (Output_section::Input_section_sort_entry): Define new class.
7483         (Output_section::Input_section_sort_compare::operator()): New
7484         function.
7485         (Output_section::sort_attached_input_sections): New function.
7486         * configure.ac: Check whether the compiler supports constructor
7487         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7488         * testsuite/initpri1.c: New file.
7489         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7490         CONSTRUCTOR_PRIORITY.
7491         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7492         (initpri1_LDFLAGS): New variable.
7493         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7495 2008-03-27  Ian Lance Taylor  <iant@google.com>
7497         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7498         * testsuite/common_test_1.c: New file.
7499         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7500         (common_test_1_SOURCES): New variable.
7501         (common_test_1_DEPENDENCIES): New variable.
7502         (common_test_1_LDFLAGS): New variable.
7504         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7505         and commons_ correctly when NAME/VERSION does not override
7506         NAME/NULL.
7507         * testsuite/ver_test_6.c: New file.
7508         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7509         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7510         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7512 2008-03-26  Ian Lance Taylor  <iant@google.com>
7514         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7515         of an undefined symbol from a version script.
7516         * testsuite/Makefile.am (ver_test_5.so): New target.
7517         (ver_test_5.o): New target.
7518         (check_SCRIPTS): Add ver_test_5.sh.
7519         (check_DATA): Add ver_test_5.syms.
7520         (ver_test_5.syms): New target.
7521         * testsuite/ver_test_5.cc: New file.
7522         * testsuite/ver_test_5.script: New file.
7523         * testsuite/ver_test_5.sh: New file.
7524         * Makefile.in, testsuite/Makefile.in: Rebuild.
7526         PR gold/5986
7527         Fix problems building gold with gcc 4.3.0.
7528         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7529         (gold_error_at_location, gold_warning_at_location): Use it.
7530         * configure.ac: Check whether we can compile and use a template
7531         function with a printf attribute.
7532         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7533         when jumping over bytes.
7534         * object.cc: Instantiate Object::read_section_data.
7535         * debug.h: Include <cstring>
7536         * dwarf_reader.cc: Include <algorithm>
7537         * main.cc: Include <cstring>.
7538         * options.cc: Include <cstring>.
7539         * output.cc: Include <cstring>.
7540         * script.cc: Include <cstring>.
7541         * script.h: Include <string>.
7542         * symtab.cc: Include <cstring> and <algorithm>.
7543         * target-select.cc: Include <cstring>.
7544         * version.cc: Include <string>.
7545         * testsuite/testmain.cc: Include <cstdlib>.
7546         * configure, config.in: Rebuild.
7548 2008-03-25  Ian Lance Taylor  <iant@google.com>
7550         * options.cc: Include "../bfd/bfdver.h".
7551         (options::help): Print bug reporting address.
7553         * version.cc (print_version): Adjust output for current value of
7554         BFD_VERSION_STRING.
7556         * NEWS: New file.
7558         * options.cc (options::help): Print list of supported targets.
7559         * target-select.h: Include <vector>.
7560         (class Target_selector): Make machine_, size_, and is_big_endian_
7561         fields const.  Add bfd_name_ and instantiated_target_ fields.
7562         (Target_selector::Target_selector): Add bfd_name parameter.
7563         (Target_selector::recognize): Make non-virtual, call
7564         do_recognize.
7565         (Target_selector::recognize_by_name): Make non-virtual, call
7566         do_recognize_by_name.
7567         (Target_selector::supported_names): New function.
7568         (Target_selector::bfd_name): New function.
7569         (Target_selector::do_instantiate_target): New pure virtual
7570         function.
7571         (Target_selector::do_recognize): New virtual function.
7572         (Target_selector::do_recognize_by_name): New virtual function.
7573         (Target_selector::instantiate_target): New private function.
7574         (supported_target_names): Declare.
7575         * target-select.cc (Target_selector::Target_selector): Update for
7576         new parameter and fields.
7577         (select_target_by_name): Check that the name matches before
7578         calling recognize_by_name.
7579         (supported_target_names): New function.
7580         * i386.cc (class Target_selector_i386): Update Target_selector
7581         constructor call.  Remove recognize and recognize_by_name.  Add
7582         do_instantiate_target.
7583         * x86_64.cc (class Target_selector_x86_64): Likewise.
7584         * testsuite/testfile.cc (class Target_selector_test): Update for
7585         changes to Target_selector.
7587         * README: Rewrite, with some notes on unsupported features.
7589 2008-03-24  Cary Coutant  <ccoutant@google.com>
7591         * i386.cc (Target_i386::Got_type): New enum declaration.
7592         (Target_i386::Scan::local): Updated callers of Output_data_got
7593         member functions.
7594         (Target_i386::Scan::global): Likewise.
7595         (Target_i386::Relocate::relocate): Likewise.
7596         (Target_i386::Relocate::relocate_tls): Likewise.
7597         * object.h (Got_offset_list): New class.
7598         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7599         (Sized_relobj::local_got_offset): Likewise.
7600         (Sized_relobj::set_local_got_offset): Likewise.
7601         (Sized_relobj::local_has_tls_got_offset): Removed.
7602         (Sized_relobj::local_tls_got_offset): Removed.
7603         (Sized_relobj::set_local_tls_got_offset): Removed.
7604         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7605         * output.cc (Output_data_got::add_global): Added got_type parameter.
7606         (Output_data_got::add_global_with_rel): Likewise.
7607         (Output_data_got::add_global_with_rela): Likewise.
7608         (Output_data_got::add_global_pair_with_rel): New function.
7609         (Output_data_got::add_global_pair_with_rela): New function.
7610         (Output_data_got::add_local): Added got_type parameter.
7611         (Output_data_got::add_local_with_rel): Likewise.
7612         (Output_data_got::add_local_with_rela): Likewise.
7613         (Output_data_got::add_local_pair_with_rel): New function.
7614         (Output_data_got::add_local_pair_with_rela): New function.
7615         (Output_data_got::add_global_tls): Removed.
7616         (Output_data_got::add_global_tls_with_rel): Removed.
7617         (Output_data_got::add_global_tls_with_rela): Removed.
7618         (Output_data_got::add_local_tls): Removed.
7619         (Output_data_got::add_local_tls_with_rel): Removed.
7620         (Output_data_got::add_local_tls_with_rela): Removed.
7621         * output.h (Output_data_got::add_global): Added got_type parameter.
7622         (Output_data_got::add_global_with_rel): Likewise.
7623         (Output_data_got::add_global_with_rela): Likewise.
7624         (Output_data_got::add_global_pair_with_rel): New function.
7625         (Output_data_got::add_global_pair_with_rela): New function.
7626         (Output_data_got::add_local): Added got_type parameter.
7627         (Output_data_got::add_local_with_rel): Likewise.
7628         (Output_data_got::add_local_with_rela): Likewise.
7629         (Output_data_got::add_local_pair_with_rel): New function.
7630         (Output_data_got::add_local_pair_with_rela): New function.
7631         (Output_data_got::add_global_tls): Removed.
7632         (Output_data_got::add_global_tls_with_rel): Removed.
7633         (Output_data_got::add_global_tls_with_rela): Removed.
7634         (Output_data_got::add_local_tls): Removed.
7635         (Output_data_got::add_local_tls_with_rel): Removed.
7636         (Output_data_got::add_local_tls_with_rela): Removed.
7637         * resolve.cc (Symbol::override_base_with_special): Removed
7638         reference to has_got_offset_ field.
7639         * symtab.cc (Symbol::init_fields): Replaced initialization
7640         of got_offset_ with got_offsets_.  Removed initialization
7641         of has_got_offset_
7642         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7643         (Symbol::got_offset): Likewise.
7644         (Symbol::set_got_offset): Likewise.
7645         (Symbol::has_tls_got_offset): Removed.
7646         (Symbol::tls_got_offset): Removed.
7647         (Symbol::set_tls_got_offset): Removed.
7648         (Symbol::got_offset_): Removed.
7649         (Symbol::tls_mod_got_offset_): Removed.
7650         (Symbol::tls_pair_got_offset_): Removed.
7651         (Symbol::got_offsets_): New field.
7652         (Symbol::has_got_offset): Removed.
7653         (Symbol::has_tls_mod_got_offset): Removed.
7654         (Symbol::has_tls_pair_got_offset): Removed.
7655         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7656         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7657         member functions.
7658         (Target_x86_64::Scan::global): Likewise.
7659         (Target_x86_64::Relocate::relocate): Likewise.
7660         (Target_x86_64::Relocate::relocate_tls): Likewise.
7662 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7664         * yyscript.y: Fix spelling error in comment.
7666 2008-03-24  Ian Lance Taylor  <iant@google.com>
7668         * options.h (class General_options): Define build_id option.
7669         * layout.h (class Layout): Declare write_build_id, create_note,
7670         create_build_id.  Add build_id_note_ member.
7671         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7672         "libiberty.h", "md5.h", "sha1.h".
7673         (Layout::Layout): Initialize eh_frame_data_,
7674         eh_frame_hdr_section_, and build_id_note_.
7675         (Layout::finalize): Call create_build_id.
7676         (Layout::create_note): New function, broken out of
7677         Layout::create_gold_note.
7678         (Layout::create_gold_note): Call create_note.
7679         (Layout::create_build_id): New function.
7680         (Layout::write_build_id): New function.
7681         (Close_task_runner::run): Call write_build_id.
7683         * x86_64.cc: Correct license to GPLv3.
7685 2008-03-23  Ian Lance Taylor  <iant@google.com>
7687         * options.cc: Include "demangle.h".
7688         (parse_optional_string): New function.
7689         (parse_long_option): Handle takes_optional_argument.
7690         (parse_short_option): Update dash_z initializer.  Handle
7691         takes_optional_argument.
7692         (General_options::General_options): Initialize do_demangle_.
7693         (General_options::finalize): Set do_demangle_.  Handle demangling
7694         style.
7695         * options.h (parse_optional_string): Declare.
7696         (struct One_option): Add optional_arg field.  Update constructor.
7697         Update call constructor calls.  Add takes_optional_argument
7698         function.
7699         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7700         (DEFINE_optional_string): Define.
7701         (General_options::demangle): Change from DEFINE_bool to
7702         DEFINE_optional_string.
7703         (General_options::no_demangle): New function.
7704         (General_options::do_demangle): New function.
7705         (General_options::set_do_demangle): New function.
7706         (General_options::execstack_status_): Move definition to end of
7707         class definition.
7708         (General_options::static_): Likewise.
7709         (General_options::do_demangle_): New field.
7710         * object.cc (big_endian>::get_symbol_location_info): Call
7711         Options::do_demangle, not Options::demangle.
7712         * symtab.cc (demangle): Likewise.
7714 2008-03-22  Ian Lance Taylor  <iant@google.com>
7716         * gold.h: Include <cstddef> and <sys/types.h>
7717         * options.h: Include <cstring>.
7719 2008-03-21  Ian Lance Taylor  <iant@google.com>
7721         * Added source code to GNU binutils.