Updated translation templates.
[binutils/xnox.git] / gold / ChangeLog
blobf3fabd00a6c1b3403a829b5360f82183e21d034b
1 2010-04-22  Nick Clifton  <nickc@redhat.com>
3         * po/gold.pot: Updated by the Translation project.
4         * po/vi.po: Updated Vietnamese translation.
6 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
8         * testsuite/Makefile.am (check_PROGRAMS): Add
9         icf_virtual_function_folding_test.
10         * testsuite/Makefile.in: Regenerated.
12 2010-04-15  Andrew Haley  <aph@redhat.com>
14         * options.h (merge_exidx_entries): New option.
15         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
16         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
17         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
18         (Target_arm::merge_exidx_entries): New function.
19         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
20         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
21         to Arm_exidx_fixup constructor.
22         Add new arg, merge_exidx_entries.
23         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
24         Arm_output_section::fix_exidx_coverage.
26 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
28         * icf.cc (get_section_contents): Check for preemptible functions.
29         Ignore addend when appropriate.
30         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
31         section folded.
32         (add_from_relobj): Check for section folded.
33         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
34         * symtab.h (should_add_dynsym_entry): Add new parameter.
35         * target-reloc.h (scan_relocs): Check for section folded.
36         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
37         Check reloc types for function pointers in shared objects.
38         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
39         case.
40         (icf_preemptible_functions_test): New test case.
41         (icf_string_merge_test): New test case.
42         * testsuite.Makefile.in: Regenerate.
43         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
44         bar_glob.  Refactor code.
45         * testsuite/icf_preemptible_functions_test.cc: New file.
46         * testsuite/icf_preemptible_functions_test.sh: New file.
47         * testsuite/icf_string_merge_test.cc: New file.
48         * testsuite/icf_string_merge_test.sh: New file.
49         * testsuite/icf_virtual_function_folding_test.cc: New file.
50         * testsuite/icf_virtual_function_folding_test.sh: New file.
52 2010-04-14  Doug Kwan  <dougkwan@google.com>
54         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
55         for local symbol recounting if we remove a section due to ICF.
56         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
57         there are no regular objects in input.
59 2010-04-13  Doug Kwan  <dougkwan@google.com>
61         * arm.cc (Arm_input_section::set_final_data_size): Compute
62         accurate final data size instead of using current data size.
64 2010-04-09  Doug Kwan  <dougkwan@google.com>
66         * layout.cc (Layout::choose_output_section): Handle script section
67         types.
68         (Layout::make_output_section_for_script): Add section type parameter.
69         Handle script section types.
70         * layout.h (Layout::make_output_section_for_script): Add section
71         type parameter.
72         * output.cc (Output_section::Output_section): Initialize data member
73         is_noload_.
74         (Output_section::do_reset_address_and_file_offset): Do not set address
75         to 0 if section is a NOLOAD section.
76         * output.h (Output_section::is_noload): New method.
77         (Output_section::set_is_noload): Ditto.
78         (Output_section::is_noload_): New data member.
79         * script-c.h (Script_section_type): New enum type.
80         (struct Parser_output_section_header): Add new file section_type.
81         * script-sections.cc (Sections_element::output_section_name): Add
82         parameter for returning script section type.
83         (Output_section_definition::output_section_name): Ditto.
84         (Output_section_definition::section_type)P; New method.
85         (Output_section_definiton::script_section_type_name): Ditto.
86         (Output_section_definition::script_section_type_): New data member.
87         (Output_section_definition::Output_section_definition): Initialize
88         data member Output_section_definition::script_section_type_.
89         (Output_section_definition::create_sections): Pass script section type
90         to Layout::make_output_section_for_script.
91         (Output_section_definition::output_section_name): Return script
92         section type to caller.
93         (Output_section_definition::set_section_address): Do not advance
94         dot value and load address if section type is NOLOAD.  Set address
95         of NOLOAD sections regardless of section flags.
96         (Output_section_definition::print): Print section type if it is
97         not SCRIPT_SECTION_TYPE_NONE.
98         (Output_section_definition::section_type): New method.
99         (Output_section_definition::script_section_type_name): Ditto.
100         (Script_sections::output_section_name): Add new parameter
101         PSECTION_TYPE for returning script section type.  Pass it to
102         section elements.  Handle discard sections.
103         (Sort_output_sections::operator()): Handle NOLOAD sections.
104         * script-sections.h (Script_sections::Section_type): New enum type.
105         (Script_sections::output_section_name): Add a new parameter for
106         returning script section type.
107         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
108         INFO and NOLOAD.
109         * yyscript.y (union): Add new field SECTION_TYPE.
110         (COPY, DSECT, INFO, NOLOAD): New tokens.
111         (opt_address_and_section_type): Change type to output_section_header.
112         (section_type): New non-terminal
113         (section_header): Handle section type.
114         (opt_address_and_section_type): Return section type value.
116 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
118         * testsuite/plugin_common_test_1.c (foo): Add prototype.
119         * testsuite/plugin_common_test_2.c (foo): Likewise.
121 2010-04-08  Doug Kwan  <dougkwan@google.com>
123         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
124         Output_merge_data.
125         * output.cc (Output_section::add_merge_input_section): Simplify
126         code and return status of Output_merge_base::add_input_section.
127         Update merge section map only if Output_merge_base::add_input_section 
128         returns true.
130 2010-04-07  Doug Kwan  <dougkwan@google.com>
132         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
133         if section is marked as containing instructions but has no mapping
134         symbols.
135         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
136         correct section index.
137         (Arm_relobj::find_linked_text_section): Ditto.
139 2010-04-07  Cary Coutant  <ccoutant@google.com>
141         * archive.cc (include_member): Destroy Read_symbols_data object before
142         releasing file.
143         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
144         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
145         (Read_symbols_data::~Read_symbols_data) New destructor.
146         (Section_relocs::Section_relocs) New constructor.
147         (Section_relocs::~Section_relocs) New destructor.
148         (Read_relocs_data::Read_relocs_data) New constructor.
149         (Read_relocs_data::~Read_relocs_data) New destructor.
150         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
151         pointers to NULL after deleting.
153 2010-04-07  Doug Kwan  <dougkwan@google.com>
155         * arm.cc: Replace "endianity" with "endianness" in comments.
156         (Arm_exidx_cantunwind): Ditto.
157         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
158         (Arm_relobj::merge_flags_and_attributes): New method.
159         (Arm_relobj::merge_flags_and_attributes_): New data member.
160         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
161         (Arm_relobj::scan_sections_for_stubs): Ditto.
162         (Arm_relobj::do_read_symbols): Check to see if we really want to
163         merge processor-specific flags and attributes.  Exit early if
164         an object is empty except for section names and the undefined symbol.
165         (Target_arm::do_finalize_sections): Move check for ELF format to
166         Arm_relobj::do_read_symbols.  Merge processor specific flags and
167         attributes from a regular object only when we have determined that
168         it is aapropriate.  Do not create an .ARM.attributes section in
169         output if there is no regular input object.
170         (Target_arm::merge_processor_specific_flags): Check
171         --warn-mismatch before printing any error.
172         (Target_arm::merge_object_attributes): Ditto.
173         * gold.cc (queue_middle_tasks): Handle the case in which there is
174         no regular object in input.
175         * options.cc (General_options::parse_EB): New method.
176         (General_options::parse_EL): Same.
177         (General_options::General_options): Initialize endianness_.
178         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
179         New options.
180         (General_options::Endianness): New enum.
181         (General_options::endianness): New method.
182         (General_options::endianness_): New data member.
183         * parameters.cc (Parameters::set_options): Check target endianness.
184         (Parameters::set_target_once): Ditto.
185         (Parameters::check_target_endianness): New method.
186         (parameters_force_valid_target): If either -EL or -EB is specified,
187         use it to define endianness of default target.
188         * parameters.h (Parameters::check_target_endianness): New method
189         declaration.
190         * target.h (class Target): Change "endianity" to "endianness"
191         in comments.
193 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
195         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
196         * configure: Regenerate.
197         * Makefile.in: Regenerate.
198         * testsuite/Makefile.in: Regenerate.
200 2010-04-06  Cary Coutant  <ccoutant@google.com>
202         gcc PR lto/42757
203         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
204         prevailing definitions of common symbols.
205         * testsuite/plugin_test_6.sh: New test case.
206         * testsuite/plugin_common_test_1.c: New test case.
207         * testsuite/plugin_common_test_2.c: New test case.
208         * testsuite/Makefile.am (plugin_test_6): New test case.
209         * testsuite/Makefile.in: Regenerate.
211 2010-04-06  Nick Clifton  <nickc@redhat.com>
213         * po/vi.po: New Vietnamese translation.
215 2010-03-30  Doug Kwan  <dougkwan@google.com>
217         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
219 2010-03-25  Doug Kwan  <dougkwan@google.com>
221         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
222         to avoid a conversion warning on a 32-bit host.
224 2010-03-24  Ian Lance Taylor  <iant@google.com>
226         * testsuite/script_test_3.t: Add a TLS segment.
227         * testsuite/Makefile.am (check_PROGRAMS): Add
228         tls_phdrs_script_test.
229         (tls_phdrs_script_test_SOURCES): Define.
230         (tls_phdrs_script_test_DEPENDENCIES): Define.
231         (tls_phdrs_script_test_LDFLAGS): Define.
232         (tls_phdrs_script_test_LDADD): Define.
233         * testsuite/Makefile.in: Rebuild.
235 2010-03-23  Cary Coutant  <ccoutant@google.com>
237         * fileread.cc (find_or_make_view): Fix comment.
239 2010-03-23  Ian Lance Taylor  <iant@google.com>
241         * script-sections.cc (class Orphan_section_placement): Define
242         PLACE_TLS and PLACE_TLS_BSS.
243         (Orphan_section_placement::Orphan_section_placement): Initialize
244         new places.
245         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
246         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
247         (tls_script_test_SOURCES): Define.
248         (tls_script_test_DEPENDENCIES): Define.
249         (tls_script_test_LDFLAGS): Define.
250         (tls_script_test_LDADD): Define.
251         * testsuite/Makefile.in: Rebuild.
253 2010-03-22  Doug Kwan  <dougkwan@google.com>
255         * arm.cc (Arm_relocate_functions::abs8,
256         Arm_relocate_functions::abs16): Use correct check for overflow
257         specified in the ARM ELF specs.
258         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
259         target of a BLX instruction specially.
260         (Reloc_stub::stub_type_for_reloc): Ditto.
261         (Relocate::relocate): Use symbolic names instead of numeric relocation
262         codes to report error.
263         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
264         workaround.
265         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
266         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
267         thumb2_blx_out_of_range.stdout
268         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
269         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
270         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
271         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
272         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
273         thumb2_blx_in_range, thumb2_blx_in_range.o,
274         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
275         thumb2_blx_out_of_range.o): New rules.
276         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
277         thumb2_blx_in_range and thumb2_blx_out_of_range.
278         * testsuite/Makefile.in: Regenerate.
279         * arm_branch_in_range.sh: Add tests for THUMB BLX.
280         * testsuite/thumb_blx_in_range.s: New file.
281         * testsuite/thumb_blx_out_of_range.s: New file.
283 2010-03-22  Rafael Espindola  <espindola@google.com>
285         * archive.cc (Should_include): Move to archive.h.
286         (should_include_member): Make it a member of Archive.
287         (Lib_group): New.
288         (Add_lib_group_symbols): New.
289         * archive.h: Include options.h.
290         (Archive_member): Moved from Archive.
291         (Should_include): Moved from archive.cc.
292         (Lib_group): New.
293         (Add_lib_group_symbols): New.
294         * dynobj.cc (do_should_include_member): New.
295         * dynobj.h (do_should_include_member): New.
296         * gold.cc (queue_initial_tasks): Update call to queue.
297         * main.cc (main): Print lib group stats.
298         * object.cc (do_should_include_member): New.
299         * object.h: Include archive.h.
300         (Object::should_include_member): New.
301         (Object::do_should_include_member): New.
302         (Sized_relobj::do_should_include_member): New.
303         * options.cc (General_options::parse_start_lib): New.
304         (General_options::parse_end_lib): New.
305         (Input_arguments::add_file): Handle lib groups.
306         (Input_arguments::start_group): Check we are not in a lib.
307         (Input_arguments::start_lib): New.
308         (Input_arguments::end_lib): New.
309         * options.h (General_options): Add start_lib and end_lib.
310         (Input_argument::lib_): New.
311         (Input_argument::lib): New.
312         (Input_argument::is_lib): New.
313         (Input_file_lib): New.
314         (Input_arguments::in_lib_): New.
315         (Input_arguments::in_lib): New.
316         (Input_arguments::start_lib): New.
317         (Input_arguments::end_lib_): New.
318         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
319         in unused members as preempted.
320         (Sized_pluginobj::do_should_include_member): New.
321         * plugin.h (Sized_pluginobj::do_should_include_member): New.
322         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
323         return the blocker.
324         (Read_symbols::do_whole_lib_group): New.
325         (Read_symbols::do_lib_group): New.
326         (Read_symbols::do_read_symbols): Handle lib groups.
327         (Read_symbols::get_name): Handle lib groups.
328         * readsyms.h (Read_symbols): Add an archive member pointer.
329         (Read_symbols::do_whole_lib_group): New.
330         (Read_symbols::do_lib_group): New.
331         (Read_symbols::member_): New.
332         * script.cc (read_input_script): Update call to queue_soon.
334 2010-03-19  Doug Kwan  <dougkwan@google.com>
336         * arm.cc (Stub_table::Stub_table): Initialize new data members
337         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
338         (Stub_table::add_reloc_stub): Assign stub offset and update
339         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
340         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
341         New data members.
342         (Stub_table::update_data_size_and_addralign): Use
343         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
344         instead of going over all reloc stubs.
345         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
346         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
347         Stringpool_template::offset_ to size of Stringpool_char.
348         (Stringpool_template::new_key_offset): Remove code to initialize
349         Stringpool_template::offset_.
350         * stringpool.h (Stringpool_template::set_no_zero_null): Set
351         Stringpool_template::offset_ to zero.
353 2010-03-15  Doug Kwan  <dougkwan@google.com>
355         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
356         offset_.
357         (Stringpool_template::new_key_offset): New method.
358         (Stringpool_template::add_string): Assign offsets when adding new
359         strings.
360         (Stringpool_template::set_string_offsets): Do not set string offsets
361         when not optimizing.
362         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
363         member size_.
364         (Chunked_vector::clear): Clear size_.
365         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
366         (Chunked_vector::size): Return size_.
367         (Chunked_vector::push_back): Use size_ to find insert position.
368         (Chunked_vector::size_): New data member. 
369         (Stringpool_template::set_no_zero_null): Assert string set is empty.
370         (Stringpool_template::new_key_offset): New method declaration.
371         (Stringpool_template::offset_): New data member.
373 2010-03-15   Rafael Espindola  <espindola@google.com>
375         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
376         Add_symbols' constructor.
377         * readsyms.h (Add_symbols): Remove the input_group member.
379 2010-03-10  Ian Lance Taylor  <iant@google.com>
381         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
382         target to ask whether a reference to a symbol requires a stack
383         split.
384         * target.h (Target::is_call_to_non_split): New function.
385         (Target::do_is_call_to_non_split): Declare virtual function.
386         * target.cc: Include "symtab.h".
387         (Target::do_is_call_to_non_split): New function.
388         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
390 2010-03-10  Cary Coutant  <ccoutant@google.com>
392         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
393         (File_read::open[1]): Remove initial mapping of whole_file_view_.
394         (File_read::open[2]): Add whole_file_view_ to list of views.
395         (File_read::make_view): Remove test of whole_file_view_.
396         (File_read::find_or_make_view): Create whole_file_view_ if
397         necessary.
398         (File_read::clear_views): Replace bool parameter with enum;
399         adjust all callers.  Don't delete views with permanent data;
400         do delete cached views and views from archives if
401         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
402         if clearing the corresponding view.
403         * fileread.h (File_read::Clear_views_mode): New enum.
404         (File_read::View::is_permanent_view): New method.
405         (File_read::clear_views): Replace bool parameter
406         with enum; adjust all callers.
407         * options.h (General_options): Change keep_files_mapped option;
408         add map_whole_files.
409         * readsyms.cc (Add_symbols::run): Delete sd_ object before
410         releasing the file.
411         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
412         the file.
414 2010-03-10  David S. Miller  <davem@davemloft.net>
416         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
418 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
420         * icf.cc (get_section_contents): Add '@' marker after processing the
421         merge reloc.
423 2010-03-08  Doug Kwan  <dougkwan@google.com>
425         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
426         due to a conversion warning.
427         (Arm_relobj::update_output_local_symbol_count): Check for local
428         symbol with unset output index.
430 2010-03-05  Ian Lance Taylor  <iant@google.com>
432         * options.h (class General_options): Add --spare-dynamic-tags.
433         * output.cc (Output_data_dynamic::set_final_data_size): Implement
434         --spare-dynamic-tags.
436 2010-03-05  Ian Lance Taylor  <iant@google.com>
438         * incremental.cc: Include "libiberty.h".
440 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
442         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
443         function, is_info_ member.
444         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
445         (Versions::Versions): Update caller.
446         (Versions::define_base_version): Likewise.
447         (Versions::add_def): Likewise.
449 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
451         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
452         (Scan::possible_function_pointer_reloc): New function.
453         (Scan::local_reloc_may_be_function_pointer): Change to call
454         possible_function_pointer_reloc.
455         (Scan::global_reloc_may_be_function_pointer): Ditto.
456         * icf.h (Icf::check_section_for_function_pointers): Change to reject
457         relocations in ".data.rel.ro._ZTV" section.
458         * testsuite/icf_safe_so_test.sh: Change to pass i386.
459         * testsuite/icf_safe_so_test.cc: Ditto.
460         * testsuite/icf_safe_test.cc: Ditto.
461         * testsuite/icf_safe_test.sh: Ditto.
463 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
464             Ian Lance Taylor  <iant@google.com>
466         * target-reloc.h (relocate_section): Check the symbol table index
467         for -1U before setting the local symbol index.
468         (scan_relocatable_relocs): If copying the relocation, record that
469         the local symbol is required.
470         * object.h (Symbol_value::is_output_symtab_index_set): New
471         function.
472         (Symbol_value::may_be_discarded_from_output_symtab): New
473         function.
474         (Symbol_value::has_output_symtab_entry): New function.
475         (Symbol_value::needs_output_symtab_entry): Remove.
476         (Symbol_value::output_symtab_index): Make sure the symbol index is
477         set.
478         (Symbol_value::set_output_symtab_index): Make sure the symbol
479         index is not set.  Make sure the new index is valid.
480         (Symbol_value::set_must_have_output_symtab_entry): New function.
481         (Symbol_value::has_output_dynsym_entry): New function.
482         (Symbol_value::set_output_dynsym_index): Make sure the new index
483         is valid.
484         (Sized_relobj::set_must_have_output_symtab_entry): New function.
485         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
486         local symbol if permitted.
487         (Sized_relobj::do_finalize_local_symbols): Call
488         is_output_symtab_index_set rather than needs_output_symtab_entry.
489         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
490         rather than needs_output_symtab_entry.  Call
491         has_output_dynsym_entry rather than needs_output_dynsym_entry.
492         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
493         is_output_symtab_index_set rather than needs_output_symtab_entry.
494         * testsuite/discard_locals_relocatable_test.c: New file.
495         * testsuite/discard_locals_test.sh: Test -r.
496         * testsuite/Makefile.am (check_DATA): Add
497         discard_locals_relocatable_test1.syms,
498         discard_local_relocatable_test2.syms.
499         (MOSTLYCLEANFILES): Likewise.  Also add
500         discard_locals_relocatable_test1.lout and
501         discard_locals_relocatable_test2.out.
502         (discard_locals_relocatable_test1.syms): New target.
503         (discard_locals_relocatable_test.o): New target.
504         (discard_locals_relocatable_test1.out): New target.
505         (discard_locals_relocatable_test2.syms): New target.
506         (discard_locals_relocatable_test2.out): New target.
507         (various): Add missing ../ld-new dependencies.
508         * testsuite/Makefile.in: Rebuild.
510 2010-03-03  Nick Clifton  <nickc@redhat.com>
512         * po/fi.po: New Finnish translation.
514 2010-03-01  Doug Kwan  <dougkwan@google.com>
516         * layout.cc (Layout::Layout): Force section types of .init_array*,
517         .preinit_array* and .fini_array* sections.
518         * output.cc (Output_section::Input_section_sort_entry::has_priority):
519         Fix check of return value of std::string::find.().
520         (Output_section::Input_section_sort_compare::operator()): Remove
521         comment about .init_array.
522         (Output_section::Input_section_sort_init_fini_compare::operator()):
523         New method.
524         (Output_section::sort_attached_input_sections): Handle .init_array
525         and .fini_array specially.
526         * output.h (Output_section::Inut_section_sort_compare): Update
527         comment.
528         (Output_section::Input_section_sort_init_fini_compare): New struct.
530 2010-02-26  Doug Kwan  <dougkwan@google.com>
532         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
533         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
534         * testsuite/debug_msg.sh: Avoid matching source line number for
535         use of global variable undef_int.
537 2010-02-26  Doug Kwan  <dougkwan@google.com>
539         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
540         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
541         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
542         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
543         * options.cc (General_options::General_options): Initialize member
544         fix_v4bx_.
545         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
546         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
547         and rm_no_fix_v4bx.stdout
548         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
549         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
550         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
551         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
552         and arm_no_fix_v4bx.
553         * Makefile.in: Regenerate.
554         * testsuite/arm_fix_v4bx.s: New file.
555         * testsuite/arm_fix_v4bx.sh: Ditto.
557 2010-02-24  Doug Kwan  <dougkwan@google.com>
559         * arm.cc (Target_arm::got_section): Make the .got section the first
560         non RELRO section in the data segment.
561         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
562         suffixes of section names.
564 2010-02-24  Doug Kwan  <dougkwan@google.com>
566         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
567         flags and attributes merging if an input file is a binary file.
568         * fileread.cc (Input_file::open): Record format of original file.
569         * fileread.h (Input_file::Format): New enum type.
570         (Input_file::Input_file): Initialize data member format_.
571         (Input_file::format): New method definition.
572         (Input_file::format_):: New data member.
574 2010-02-24  Doug Kwan  <dougkwan@google.com>
576         * arm.cc (Arm_output_data_got): New class.
577         (ARM_TCB_SIZE): New constant
578         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
579         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
580         If user uses a script with a SECTIONS clause, issue only a warning
581         for a misplaced EXIDX input section.  Otherwise, issue an error.
582         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
583         garbage collection.
584         (Target_arm::got_mode_index_entry): Handle static linking.
585         (Target_arm::Scan::local): Ditto.
586         (Target_arm::Scan::global): Ditto.
587         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
588         all incorrectly implemented relocations.
589         (Target_arm::fix_exidx_coverage): Pass layout to 
590         Arm_output_section::fix_exidx_coverage.
591         * layout.cc (Layout::section_name_mapping): Remove trailing dots
592         from ".ARM.exidx." and ".ARM.extab.".
594 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
596         * arm.cc (Target_arm::do_finalize_sections): Create attribute
597         section if it does not already exist.
598         * attributes.cc (Attributes_section_data::Attributes_section_data):
599         Don't crash if size is zero.
601 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
602             Ian Lance Taylor  <iant@google.com>
604         * gold.cc (queue_middle_tasks): If no input files were opened,
605         exit.
606         * workqueue.h (Task_function::Task_function): Assert that there is
607         a blocker.
609 2010-02-22  Doug Kwan  <dougkwan@google.com>
611         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
612         * icf.cc (get_section_contents): Cast snprintf arguments to long long
613         types to avoid warnings due to different uint64_t implementations
614         on different hosts.
616 2010-02-21  Doug Kwan  <dougkwan@google.com>
618         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
619         handling of the maximum backward branch offset.
620         (Arm_relocate_functions::thumb_branch_common): Ditto.
621         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
622         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
623         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
624         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
625         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
626         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
627         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
628         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
629         thumb_bl_out_of_range thumb_bl_out_of_range.o,
630         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
631         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
632         thumb2_bl_out_of_range.o): New rules.
633         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
634         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
635         thumb2_bl_out_of_range
636         * testsuite/Makefile.in: Regenerate.
637         * testsuite/arm_bl_in_range.s: New file.
638         * testsuite/arm_bl_out_of_range.s: Ditto.
639         * testsuite/arm_branch_in_range.sh: Ditto.
640         * testsuite/arm_branch_range.t: Ditto.
641         * testsuite/thumb2_branch_range.t: Ditto.
642         * testsuite/thumb_bl_in_range.s: Ditto.
643         * testsuite/thumb_bl_out_of_range.s: Ditto.
644         * testsuite/thumb_branch_range.t: Ditto.
646 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
648         * gc.h (gc_process_relocs): Change vectors to point to the new list.
649         Add reloc offset information.
650         * icf.cc (get_section_contents): Change iterators to point to the new
651         vectors. Add reloc offset information to the contents.
652         * icf.h (Icf::Sections_reachable_info): New typedef.
653         (Icf::Sections_reachable_list): New typedef.
654         (Icf::Offset_info): New typedef.
655         (Icf::Reloc_info): New struct typedef.
656         (Icf::Reloc_info_list): New typedef.
657         (Icf::symbol_reloc_list): Delete method.
658         (Icf::addend_reloc_list): Delete method.
659         (Icf::section_reloc_list): Delete method.
660         (Icf::reloc_info_list): New method.
661         (Icf::reloc_info_list_): New member.
663 2010-02-19  Doug Kwan  <dougkwan@google.com>
665         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
666         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
667         * arm.cc (Arm_relocation_functions): New forward declaration.
668         (Target_arm::Target_arm): Initialize new data members
669         got_mod_index_offset_ and tls_base_symbol_defined_.
670         (Target_arm::Relocate::relocate_tls): New method.
671         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
672          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
673         New methods.
674         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
675         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
676         (Target_arm::got_mod_index_offset_,
677         Target_arm::tls_base_symbol_defined_): New data members.
678         (Target_arm::Scan::local, Target::Scan::global,
679         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
680         relocations.
682 2010-02-18  Doug Kwan  <dougkwan@google.com>
684         * arm.cc (Arm_relobj::find_linked_text_section): New method.
685         (Arm_relobj::make_exidx_input_section): Pass section index of linked
686         text section as a parameter becuase some broken tools may not set
687         the link in section header.
688         (Target_arm::has_got_section): New method.
689         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
690         without any mapping symbol as data only.  Remove warning.
691         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
692         link in its section header, try to discover the link by inspecting the
693         REL31 relocation at the beginning of the section.
694         (Target_arm::Scan::check_non_pic): Report name of offending relocation
695         in error message.
696         (Target_arm::Scan::global): Treat any reference to the symbol
697         _GLOBAL_OFFSET_TABLE_ as a GOT access.
699 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
701         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
702         (Scan::global_reloc_may_be_function_pointer): New function.
703         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
704         (Scan::global_reloc_may_be_function_pointer): New function.
705         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
706         (Scan::global_reloc_may_be_function_pointer): New function.
707         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
708         (Scan::global_reloc_may_be_function_pointer): New function.
709         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
710         (Scan::global_reloc_may_be_function_pointer): New function.
711         (Scan::possible_function_pointer_reloc): New function.
712         (Target_x86_64::can_check_for_function_pointers): New function.
713         * gc.h (gc_process_relocs): Scan relocation types to determine if
714         function pointers were taken for targets that support it.
715         * icf.cc (Icf::find_identical_sections): Include functions for
716         folding in safe ICF whose pointer is not taken.
717         * icf.h (Secn_fptr_taken_set): New typedef.
718         (fptr_section_id_): New member.
719         (section_has_function_pointers): New function.
720         (set_section_has_function_pointers): New function.
721         (check_section_for_function_pointers): New function.
722         * options.h: Fix comment for safe ICF option.
723         * target.h (can_check_for_function_pointers): New function.
724         * testsuite/Makefile.am: Add icf_safe_so_test test case.
725         Modify icf_safe_test for X86-64.
726         * testsuite/Makefile.in: Regenerate.
727         * testsuite/icf_safe_so_test.cc: New file.
728         * testsuite/icf_safe_so_test.sh: New file.
729         * testsuite/icf_safe_test.cc (kept_func_3): New function.
730         (main): Change to take pointer to function kept_func_3.
731         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
732         folding is done correctly for X86-64.
734 2010-02-12  David S. Miller  <davem@davemloft.net>
736         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
737         is_symbolless parameter.
738         (Output_reloc<SHT_REL>::is_symbolless): New.
739         (Output_reloc<SHT_REL>::is_symbolless_): New.
740         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
741         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
742         (Output_reloc<SHT_RELA>::is_symbolless): New.
743         (Output_data_reloc::add_global): Handle is_symbolless.
744         (Output_data_reloc::add_global_relative): Likewise.
745         (Output_data_reloc::add_local): Likewise.
746         (Output_data_reloc::add_local_relative): Likewise.
747         (Output_data_reloc::add_symbolless_global_addend): New.
748         (Output_data_reloc::add_symbolless_local_addend): New.
749         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
750         is_symbolless.
751         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
752         instead of ->is_relative_
753         (Output_reloc::write): Likewise.
754         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
755         (Output_reloc::write_rel): Simplify.
757         * sparc.cc (Target_sparc::Scan::local): Use
758         ->add_symbolless_local_addend as needed.
759         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
760         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
761         based upon relocation offset.
763 2010-02-11  Doug Kwan  <dougkwan@google.com>
765         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
766         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
767         beginning of function.
768         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
769         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
770         parameter is_32bit in calls to should_apply_static_reloc.
771         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
772         (check_DATA): Add arm_abs_global.stdout.
773         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
774         arm_abs_global.stdout): New rules.
775         (MOSTLLYCLEANFILES): Add arm_abs_global
776         * Makefile.in: Regenerate.
777         * testsuite/arm_abs_global.s: New file.
778         * testsuite/arm_abs_global.sh: Ditto.
779         * testsuite/arm_abs_lib.s: Ditto.
781 2010-02-11  Ian Lance Taylor  <iant@google.com>
783         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
784         Read_relocs task.
785         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
786         Allocate_commons_task first.
787         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
788         task, rather than symtab_lock_.
789         (Gc_process_relocs::~Gc_process_relocs): New function.
790         (Gc_process_relocs::is_runnable): Check this_blocker_.
791         (Gc_process_relocs::locks): Use next_blocker_ rather than
792         blocker_.
793         (Scan_relocs::~Scan_relocs): New function.
794         (Scan_relocs::is_runnable): Check this_blocker_ rather than
795         symtab_lock_.
796         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
797         next_blocker_.
798         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
799         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
800         constructor accordingly.
801         (class Gc_process_relocs): Likewise.
802         (class Scan_relocs): Likewise.
803         * common.h (class Allocate_commons_task): Remove symtab_lock_
804         field, and corresponding constructor parameter.
805         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
806         symtab_lock_.
807         (Allocate_commons_task::locks): Likewise.
809 2010-02-11  Ian Lance Taylor  <iant@google.com>
811         * gold-threads.h (class Once): Define.
812         (class Initialize_lock): Rewrite as child of Once.
813         * gold-threads.cc (class Once_initialize): Define.
814         (once_pointer_control): New static variable.
815         (once_pointer, once_arg): New static variables.
816         (c_run_once): New static function.
817         (Once::Once, Once::run_once, Once::internal_run): New functions.
818         (class Initialize_lock_once): Remove.
819         (initialize_lock_control): Remove.
820         (initialize_lock_pointer): Remove.
821         (initialize_lock_once): Remove.
822         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
823         (Initialize_lock::initialize): Rewrite.
824         (Initialize_lock::do_run_once): New function.
825         * archive.cc (Archive::interpret_header): Only clear name if it is
826         not already empty.
827         * fileread.cc: Include "gold-threads.h"
828         (file_counts_lock): New static variable.
829         (file_counts_initialize_lock): Likewise.
830         (File_read::release): Only increment counts when using --stats.
831         Use a lock around the increment.
832         * parameters.cc (class Set_parameters_target_once): Define.
833         (set_parameters_target_once): New static variable.
834         (Parameters::Parameters): Move here from parameters.h.
835         (Parameters::set_target): Rewrite.
836         (Parameters::set_target_once): New function.
837         (Parameters::clear_target): Move here and rewrite.
838         * parameters.h (class Parameters): Update declarations.  Add
839         set_parameters_target_once_ field.
840         (Parameters::Parameters): Move to parameters.cc.
841         (Parameters::clear_target): Likewise.
842         * readsyms.cc (Read_symbols::do_group): Create a Start_group
843         task.
844         (Start_group::~Start_group): New function.
845         (Start_group::is_runnable): New function.
846         (Start_group::locks, Start_group::run): New functions.
847         (Finish_group::run): Change saw_undefined to size_t.
848         * readsyms.h (class Start_group): Define.
849         (class Finish_group): Change saw_undefined_ field to size_t.
850         (Finish_group::Finish_group): Remove saw_undefined and
851         this_blocker parameters.  Change all callers.
852         (Finish_group::set_saw_undefined): New function.
853         (Finish_group::set_blocker): New function.
854         * symtab.h (class Symbol_table): Change saw_undefined to return
855         size_t.  Change saw_undefined_ field to size_t.
856         * target-select.cc (Set_target_once::do_run_once): New function.
857         (Target_selector::Target_selector): Initialize set_target_once_
858         field.  Don't initialize lock_ and initialize_lock_ fields.
859         (Target_selector::instantiate_target): Rewrite.
860         (Target_selector::set_target): New function.
861         * target-select.h (class Set_target_once): Define.
862         (class Target_selector): Update declarations.  Make
863         Set_target_once a friend.  Remove lock_ and initialize_lock_
864         fields.  Add set_target_once_ field.
866 2010-02-10  Ian Lance Taylor  <iant@google.com>
868         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
869         queueing any tasks.
870         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
871         (queue_middle_tasks): Add all blockers before queueing any tasks.
872         (queue_final_tasks): Likewise.
873         * token.h (Task_token::add_blockers): New function.
874         * object.h (Input_objects::number_of_relobjs): New function.
876 2010-02-10  Ian Lance Taylor  <iant@google.com>
878         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
879         shared, not if not position independent.
880         * x86_64.cc (Relocate::relocate_tls): Likewise.
881         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
882         (tls_pie_pic_test): New target.
883         * testsuite/Makefile.in: Rebuild.
885         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
886         (tls_test_main_pie.o, tls_test_pie.o): New targets.
887         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
888         * testsuite/Makefile.in: Rebuild.
890 2010-02-09  David S. Miller  <davem@davemloft.net>
892         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
893         R_SPARC_RELATIVE using ->add_local_relative().
894         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
896         * output.h (Output_data_dynamic::add_section_size): New method
897         that takes two Output_data objects.
898         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
899         entry param.  Handle it in initializers.
900         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
901         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
902         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
903         arg.
904         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
905         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
906         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
907         for dynrel_includes_plt.
908         * i386.cc (Target_i386::do_finalize_sections): Likewise.
909         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
910         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
911         before .rela.plt
912         (Target_sparc::do_finalize_sections): Update to pass true for
913         dynrel_includes_plt.
914         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
915         output before .rela.plt
916         (Target_powerpc::do_finalize_sections): Update to pass true for
917         dynrel_includes_plt when 32-bit.
919 2010-02-08  Doug Kwan  <dougkwan@google.com>
921         * arm.cc (Arm_relobj::simple_input_section_output_address): New
922         method.
923         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
924         Arm_relobj::scan_section_for_cortex_a8_stubs,
925         Arm_relobj::do_relocation_section): Instead of calling
926         Output_section::output_address, use faster
927         Arm_relobj::simple_input_section_output_address.
929 2010-02-08  David S. Miller  <davem@davemloft.net>
931         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
932         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
933         relocation helper function.
935         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
936         just like R_SPARC_GOT{10,13,22}.
937         (Target_sparc::Scan::local): Likewise.
938         (Target_sparc::Relocate:relocate): Likewise.
940 2010-02-06  Ian Lance Taylor  <iant@google.com>
942         * configure.ac: Rewrite targetobjs duplicate removal code to use
943         only shell constructs.
944         * configure: Rebuild.
946 2010-02-05  Doug Kwan  <dougkwan@google.com>
948         PR 11247
949         * arm.cc (Arm_relobj::section_is_scannable): New method.
950         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
951         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
953 2010-02-04  Doug Kwan  <dougkwan@google.com>
955         PR 11247
956         * arm-reloc-property.cc (cstdio): Include.
957         * configure.ac (targetobjs): Remove duplicates.
958         * configure: Regenerate.
959         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
960         big and little endian version for a given address size.
962 2010-02-03  Doug Kwan  <dougkwan@google.com>
964         * arm-reloc-property.cc
965         (Arm_reloc_property_table::reloc_name_in_error_message): New method
966         definition.
967         * arm-reloc-property.h
968         (Arm_reloc_property_table::get_implemented_static_reloc_property):
969         New method definition.
970         (Arm_reloc_property_table::reloc_name_in_error_message): New method
971         declaration.
972         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
973         overflow to N.
974         (GOT_PREL): Change implemented to Y.
975         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
976         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
977         (Arm_relocate_functions::movw_abs_nc): Remove method.
978         (Arm_relocate_functions::movt_abs): Ditto.
979         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
980         (Arm_relocate_functions::thm_movt_abs): Ditto.
981         (Arm_relocate_functions::movw_rel_nc): Ditto.
982         (Arm_relocate_functions::movw_rel): Ditto.
983         (Arm_relocate_functions::movt_rel): Ditto.
984         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
985         (Arm_relocate_functions:thm_movw_rel): Ditto.
986         (Arm_relocate_functions:thm_movt_rel): Ditto.
987         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
988         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
989         New method definitions.
990         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
991         (Arm_relocation_functions::arm_grp_ldr): Ditto.
992         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
993         (Arm_relocation_functions::arm_grp_ldc): Ditto.
994         (Target_arm::Relocate::relocate): Check for non-static or
995         unimplemented relocation code and exit early.  Change calls to
996         Target_arm::reloc_uses_thumb_bit and
997         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
998         instead.  Refactor code to handle similar relocations to increase
999         code sharing.  Remove check for unsupported relocation code in switch
1000         statement.
1001         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1002         relocation property table to find out size.  Change error message to
1003         print out the name of a relocation code instead of the numeric value.
1004         (Target_arm::scan_reloc_for_stub): Use relocation property table
1005         instead of calling Target_arm::reloc_uses_thumb_bit().
1007 2010-02-02  Doug Kwan  <dougkwan@google.com>
1009         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1010         types of relaxed input section.
1012 2010-02-02  Doug Kwan  <dougkwan@google.com>
1014         * Makefile.am (HFILES): Add arm-reloc-property.h.
1015         (DEFFILES): New.
1016         (TARGETSOURCES): Add arm-reloc-property.cc
1017         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1018         (libgold_a_SOURCES): $(DEFFILES)
1019         * Makefile.in: Regenerate.
1020         * arm-reloc-property.cc: New file.
1021         * arm-reloc-property.h: New file.
1022         * arm-reloc.def: New file.
1023         * arm.cc: Update comments.
1024         (arm-reloc-property.h): New included header.
1025         (arm_reloc_property_table): New global variable.
1026         (Target_arm::do_select_as_default_target): New method definition.
1027         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1028         arm-reloc-property to targ_extra_obj.
1029         * parameters.cc (set_parameters_target): Call
1030         Target::select_as_default_target().
1031         * target.h (Target::select_as_default_target): New method definition.
1032         (Target::do_select_as_default_target): Same.
1034 2010-02-01  Doug Kwan  <dougkwan@google.com>
1036         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1037         first_output_text_section_.
1038         (Arm_exidx_fixup::first_output_text_section): New method definition.
1039         (Arm_exidx_fixup::first_output_text_section_): New data member.
1040         (Arm_exidx_fixup::process_exidx_section): Record the first text
1041         output section seen.
1042         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1043         and entsize in output section header.
1045 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1047         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1048         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1049         (Arm_relocate_functions::thm_alu11): New Method.
1050         (Arm_relocate_functions::thm_pc8): New Method.
1051         (Arm_relocate_functions::thm_pc12): New Method.
1052         (Target_arm::Scan::local): Handle the relocations.
1053         (Target_arm::Scan::global): Likewise.
1054         (Target_arm::Relocate::relocate): Likewise.
1055         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1057 2010-01-29  Doug Kwan  <dougkwan@google.com>
1059         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1060         of relocation types as ld.
1062 2010-01-29  Doug Kwan  <dougkwan@google.com>
1064         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1065         to public.
1066         (Arm_relocate_functions::thumb_branch_common): Ditto.
1067         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1068         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1069         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1070         Arm_relocate_functions::jump24): Remove.
1071         (Target_arm::Relocate::relocate): Adjust code to call
1072         Arm_relocation_functions::arm_branch_common and
1073         Arm_relocation_functions::thumb_branch_common instead of their removed
1074         wrappers.  Merge switch-cases together to reduce source code size.  
1076 2010-01-29  Doug Kwan  <dougkwan@google.com>
1078         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1079         output_local_symbol_count_needs_update_.
1080         (Arm_relobj::output_local_symbol_count_needs_update,
1081          Arm_relobj::set_output_local_symbol_count_needs_update,
1082          Arm_relobj::update_output_local_symbol_count): New methods.
1083         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1084         member.
1085         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1086         of pointed function as in a R_ARM_PREL31 relocation.
1087         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1088         for output local symbol count updating.
1089         (Target_arm::do_relax): Update output local symbol counts in objects
1090         if necessary.
1091         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1093 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1095         * arm.cc: Added support for the ARM relocations:
1096         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1097         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1098         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1099         movw_prel_nc).
1100         (Arm_relocate_functions::movw_rel): New method.
1101         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1102         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1103         thm_movw_prel_nc).
1104         (Arm_relocate_functions::thm_movw_rel): New method.
1105         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1106         thm_movt_prel).
1107         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1108         relocations.
1109         (Target_arm::Scan::global): Likewise.
1110         (Target_arm::Relocate::relocate): Likewise.
1111         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1112         Likewise.
1114 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1116         * arm.cc: Added support for ARM group relocations.
1117         (Target_arm::reloc_needs_sym_origin): New method.
1118         (Arm_relocate_functions::calc_grp_kn): New method.
1119         (Arm_relocate_functions::calc_grp_residual): New method.
1120         (Arm_relocate_functions::calc_grp_gn): New method.
1121         (Arm_relocate_functions::arm_grp_alu): New Method.
1122         (Arm_relocate_functions::arm_grp_ldr): New Method.
1123         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1124         (Arm_relocate_functions::arm_grp_ldc): New Method.
1125         (Target_arm::Scan::local): Handle the ARM group relocations.
1126         (Target_arm::Scan::global): Likewise.
1127         (Target_arm::Relocate::relocate): Likewise.
1128         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1129         Likewise.
1131 2010-01-26  Doug Kwan  <dougkwan@google.com>
1133         * arm.cc (set): Include.
1134         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1135         pointer type.
1136         (Arm_output_section::Text_section_list): New type.
1137         (Arm_output_section::append_text_sections_to_list): New method.
1138         (Arm_output_section::fix_exidx_coverage): Ditto.
1139         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1140         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1141         Relobj::set_section_offset() instead of
1142         Sized_relobj::invalidate_section_offset().
1143         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1144         parameter for section headers. Ignore relocation sections for
1145         unallocated sections and EXIDX sections.
1146         (Target_arm::fix_exidx_coverage): New method.
1147         (Target_arm::output_section_address_less_than): New type.
1148         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1149         linked text section instead of the EXIDX section.
1150         (Arm_output_section::create_stub_group): Add an assertion to check
1151         that this is not an EXIDX output section.
1152         (Arm_output_section::append_text_sections_to_list): New method.
1153         (Arm_output_section::fix_exidx_coverage): Ditto.
1154         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1155         Arm_relobj::section_needs_reloc_stub_scanning.
1156         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1157         first pass.
1158         (Target_arm::fix_exidx_coverage): New method.
1159         * object.h (Relobj::set_output_section): New method.
1160         (Sized_relobj::invalidate_section_offset): Remove method.
1161         (Sized_relobj::do_invalidate_section_offset): Remove method.
1162         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1164 2010-01-25  Doug Kwan  <dougkwan@google.com>
1166         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1167         Fix warning due to signed and unsigned comparison on a 32-bit host.
1169 2010-01-22  Doug Kwan  <dougkwan@google.com>
1171         * arm.cc (Target_arm::do_relax): Record an output section for section
1172         offset adjustment it contains any stub table that has changed.
1173         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1174         offsets in an output section if necessary.
1175         * output.cc (Output_section::Output_section): Initialize
1176         section_offsets_need_adjustments_.
1177         (Output_section::add_input_section_for_script): Renamed to
1178         Output_section::add_simple_input_section.
1179         (Output_section::save_states): Add a comment.
1180         (Output_section::discard_states): New method defintion.
1181         (Output_section::adjust_section_offsets): Same.
1182         * output.h (Output_section::add_input_section_for_script): Renamed to
1183         Output_section::add_simple_input_section.
1184         (Output_section::discard_states): New method declaration.
1185         (Output_section::adjust_section_offsets): Same.
1186         (Output_section::section_offsets_need_adjustment,
1187         Output_section::set_section_offsets_need_adjustment): New method
1188         definitions.
1189         (Output_section::section_offsets_need_adjustment_): New data member.
1190         * script-sections.cc
1191         (Output_section_element_input::set_section_address): Adjust code for
1192         renaming of Output_section::add_input_section_for_script.
1193         (Orphan_output_section::set_section_address): Same.
1195 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1197         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1198         Fix_v4bx enum values .
1199         * gold/options.h (General_options): New option definitions.
1200         (General_options::fix_v4bx): New method.
1201         (General_options::Fix_v4bx): New enum.
1202         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1203         (General_options::parse_fix_v4bx_interworking): New method.
1205 2010-01-22  Doug Kwan  <dougkwan@google.com>
1207         * arm.cc (Arm_exidx_fixup): New class.
1209 2010-01-21  Doug Kwan  <dougkwan@google.com>
1211         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1212         classes.
1213         (Arm_exidx_section_offset_map): New type.
1215 2010-01-21  Doug Kwan  <dougkwan@google.com>
1217         * arm.cc (Arm_exidx_input_section): New class.
1218         (Arm_relobj::exidx_input_section_by_link,
1219         Arm_relobj::exidx_input_section_by_shndx,
1220         Arm_relobj::make_exidx_input_section): New methods.
1221         (read_arm_attributes_section): Remove.
1222         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1223         information about them.
1224         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1225         to here.
1227 2010-01-20  Doug Kwan  <dougkwan@google.com>
1229         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1230         Input_section_specifier to Section_id.
1231         (Target_arm::new_arm_input_section: Adjust code for change of key
1232         type.
1233         (Target_arm::find_arm_input_section): Ditto.
1234         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1235         (Section_id): Remove.
1236         (Garbage_collection::Section_id_hash): Remove.
1237         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1238         (Section_id): Remove.
1239         (Icf::Section_id_hash): Remove.
1240         * object.h (Section_id, Const_section_id, Section_id_hash,
1241         Const_section_id_hash): New type definitions.
1242         * output.cc (Output_section::add_relaxed_input_section): Change to
1243         use Const_section_id instead of Input_section_specifier as key type.
1244         (Output_section::add_merge_input_section): Ditto.
1245         (Output_section::build_relaxation_map): Change to use Section_id
1246         instead of Input_section_specifier as key type.
1247         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1248         Ditto.
1249         (Output_section::convert_input_sections_to_relaxed_sections): Change
1250         to use Const_section_id instead of Input_section_specifier as key type.
1251         (Output_section::find_merge_section): Ditto.
1252         (Output_section::find_relaxed_input_section): Ditto.
1253         * output.h (Input_section_specifier): Remove class.
1254         (Output_section::Output_section_data_by_input_section_map): Change
1255         key type to Const_section_id.
1256         (Output_section::Output_relaxed_input_section_by_input_section_map):
1257         Ditto.
1258         (Output_section::Relaxation_map): Change key type to Section_id.
1260 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1262         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1263         (class Arm_v4bx_stub): New class.
1264         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1265         (Stub_factory::make_arm_v4bx_stub): New method.
1266         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1267         (Stub_table::empty): Handle v4bx stubs.
1268         (Stub_table::add_arm_v4bx_stub): New method.
1269         (Stub_table::find_arm_v4bx_stub): New method.
1270         (Arm_relocate_functions::v4bx): New method.
1271         (Target_arm::fix_v4bx): New method.
1272         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1273         (Stub_table::relocate_stubs): Likewise.
1274         (Stub_table::do_write): Likewise.
1275         (Stub_table::update_data_size_and_addralign): Likewise.
1276         (Stub_table::finalize_stubs):  Likewise.
1277         (Target_arm::Scan::local): Likewise.
1278         (Target_arm::Scan::global): Likewise.
1279         (Target_arm::do_finalize_sections): Likewise.
1280         (Target_arm::Relocate::relocate): Likewise.
1281         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1282         Likewise.
1283         (Target_arm::scan_reloc_for_stub): Likewise.
1284         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1286 2010-01-19  Ian Lance Taylor  <iant@google.com>
1288         * output.cc (Output_section_headers::do_sized_write): Write large
1289         segment count to sh_info field.
1290         (Output_file_header::do_sized_write): For large segment count,
1291         write PN_XNUM to e_phnum field.
1293 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1295         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1296         (Arm_relocate_functions::thm_jump8): New function.
1297         (Arm_relocate_functions::thm_jump11): New function.
1298         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1299         R_ARM_THM_JUMP11.
1300         (Target_arm::Scan::global): Likewise.
1301         (Target_arm::Relocate::relocate): Likewise.
1302         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1303         Likewise.
1305 2010-01-14  Doug Kwan  <dougkwan@google.com>
1307         * arm.cc (map, utility): Include headers.
1308         (Target_arm::apply_cortex_a8_workaround): New method.
1309         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1310         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1311         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1312         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1313         the --[no-]fix-cortex-a8 command line options.
1314         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1315         (Target_arm::relocate_stub): Use addend in instruction template.
1316         * options.h (DEFINE_bool): Set the user-set flag.
1317         (General_options): Add --[no-]-fix-cortex options.
1318         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1319         : Update fast look-up map after conversion. 
1321 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1323         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1324         in the first pass of do_layout.
1326 2010-01-13  Doug Kwan  <dougkwan@google.com>
1328         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1329         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1330         apparent compiler problem of not folding static constant integral
1331         data members of elfcpp::Elf_sizes<32>.
1333 2010-01-13  Doug Kwan  <dougkwan@google.com>
1335         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1336         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1337         Arm_relobj::scan_section_for_cortex_a8_erratum,
1338         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1339         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1340         sections to scan for relocation stubs into a new method
1341         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1342         relocation and Cortex-A8 stub scanning.
1343         (Target_arm::do_relax): Force stubs to be after stubbed sections
1344         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1345         the beginning of a new relaxation pass.  Update a comment. 
1346         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1348 2010-01-12  Ian Lance Taylor  <iant@google.com>
1350         * target-reloc.h (visibility_error): New inline function.
1351         (relocate_section): Call visibility_error.
1352         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1353         (MOSTLYCLEANFILES): Likewise.
1354         (protected_4_pic.o, protected_3.err): New targets.
1355         * testsuite/protected_4.cc: New file.
1357 2010-01-12  Doug Kwan  <dougkwan@google.com>
1359         * arm.cc (Cortex_a8_reloc): New class.
1360         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1361         and cortex_a8_relocs_info_.
1362         (Target_arm::fix_cortex_a8): New method definition.
1363         (Target_arm::Cortex_a8_relocs_info): New type.
1364         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1365         New data member declarations.
1366         (Target_arm::scan_reloc_for_stub): Record information about
1367         relocations for THUMB branches that might be exempted from the
1368         Cortex-A8 workaround.
1369         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1370         at the beginning of a relaxation pass.
1372 2010-01-12  Doug Kwan  <dougkwan@google.com>
1374         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1375         (Arm_relobj::Mapping_symbol_position,
1376          Arm_reloj::Mapping_symbol_position_less,
1377          Arm_relobj::Mapping_symbols_info): New types.
1378         (Target_arm::is_mapping_symbol_name): New method definition.
1379         (Arm_relobj::do_count_local_symbols): Save information about mapping
1380         symbols.
1382 2010-01-11  Doug Kwan  <dougkwan@google.com>
1384         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1385         Arm_relocate_functions::thumb32_branch_upper,
1386         Arm_relocate_functions::thumb32_branch_lower,
1387         Arm_relocate_functions::thumb32_cond_branch_offset,
1388         Arm_relocate_functions::thumb32_cond_branch_upper,
1389         Arm_relocate_functions::thumb32_cond_branch_lower,
1390         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1391         branch offset encoding.
1392         (Arm_relocate_functions::thumb_branch_common): Use new branch
1393         offset encoding methods to avoid code duplication.
1394         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1395         (Stub_addend_reader::operator()): Use new branch encoding method
1396         to avoid code duplication.
1398 2010-01-11  Doug Kwan  <dougkwan@google.com>
1400         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1401         (Target_arm::do_finalize_sections): Define special EXIDX section
1402         symbols only if referenced.
1403         * gc.h (Garbage_collection::add_reference): New method.
1404         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1405         code duplication.
1407 2010-01-11  Ian Lance Taylor  <iant@google.com>
1409         * script.cc (Version_script_info::build_expression_list_lookup):
1410         Change complaing about duplicate wildcard match from error to
1411         warning.
1413         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1414         of 2009-12-30.
1415         (Version_script_info::Version_script_info): Initialize globs_,
1416         default_version_, default_is_global_, and exact_.  Don't
1417         initialize globals_ or locals_.
1418         (Version_script_info::build_lookup_tables): Build local symbols
1419         first.
1420         (Version_script_info::unquote): New function.
1421         (Version_script_info::add_exact_match): New function.
1422         (Version_script_info::build_expression_list_lookup): Remove lookup
1423         parameter.  Add is_global parameter.  Change all callers.  Handle
1424         wildcard pattern specially.  Unquote pattern.  Call
1425         add_exact_match.
1426         (Version_script_info::get_name_to_match): New function.
1427         (Version_script_info::get_symbol_version): New function.
1428         (Version_script_info::get_symbol_version_helper): Remove.
1429         (Version_script_info::check_unmatched_names): Call unquote.
1430         * script.h (class Version_script_info): Change get_symbol_version
1431         to be non-inline and add is_global parameter; change all callers.
1432         Rewrite symbol_is_local.  Update declarations.  Define struct
1433         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1434         Remove globals_ and locals_ members.  Add exact_, globs_,
1435         default_version_, is_global_.
1436         (Version_script_info::Glob): Remove pattern, add expression and
1437         is_global.  Update constructor.  Change all callers.
1438         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1439         default version.
1440         (Versions::symbol_section_contents): If a symbol is undefined, or
1441         defined in a dynamic object, set the version index to
1442         VER_NDX_LOCAL.
1443         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1444         symbol_is_local.
1445         (Symbol_table::add_from_pluginobj): Likewise.
1446         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1448 2010-01-11  Doug Kwan  <dougkwan@google.com>
1450         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1451         (incremental_dump_LDADD): Add linking option for libintl.
1452         * Makefile.in: Regenerate.
1454 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1456         PR gold/11144
1457         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1458         instead of -Ds.
1459         * testsuite/Makefile.in: Regenerated.
1461 2010-01-10  Doug Kwan  <dougkwan@google.com>
1463         * options.h (DEFINE_var): Use parentheses around argument varname__
1464         in macro body to avoid any unintended subsequent substitutions.
1466 2010-01-10  Ian Lance Taylor  <iant@google.com>
1468         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1469         candidates before doing symbol resolution.
1471         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1472         ODR candidates if only one is weak.
1474 2010-01-08  Ian Lance Taylor  <iant@google.com>
1476         * script.cc (Version_script_info::build_expression_list_lookup):
1477         Don't warn about ambiguous version, just record the ambiguity.
1478         (Version_script_info::get_symbol_version_helper): Give error if
1479         version is ambiguous.
1481 2010-01-08  Doug Kwan  <dougkwan@google.com>
1483         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1484           prev_data_size_ and prev_addralign_.  Remove initializer for
1485           deleted data member has_been_changed_.
1486           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1487           to determine if the table is empty.
1488           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1489           Remove.
1490           (Stub_table::add_reloc_stub): Define method in class definition
1491           instead of just declaring it there.
1492           (Stub_table::add_cortex_a8_stub): New method definition.
1493           (Stub_table::update_data_size_and_addralign): Ditto.
1494           (Stub_table::finalize_stubs): Ditto.
1495           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1496           (Stub_table::do_addralign_): Return address alignment in the
1497           (Stub_table::do_reset_address_and_file_offset): Define method in
1498           class definition instead of declaring it there.  Set current data
1499           size to be the data size of the previous pass.
1500           (Stub_table::set_final_data_size): Use current data size as the
1501           final data size.
1502           (Stub_table::relocate_stub): Change parameter type of stub from
1503           Reloc_stub pointer to Stub pointer.
1504           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1505           (Stub_table::Cortex_a8_stub_list): New typedef.
1506           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1507            Stub_table::prev_addralign_): New data member.
1508           (Arm_relobj::Arm_relobj): Initialize data member
1509           section_has_cortex_a8_workaround_.
1510           (Arm_relobj::section_has_cortex_a8_workaround,
1511            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1512            definitions.
1513           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1514           declarations.
1515           (Target_arm::relocate_stub): Change parameter type of stub from
1516           Reloc_stub pointer to Stub pointer.
1517           (Insn_template::size, Insn_template::alignment): Handle
1518           THUMB16_SPECIAL_TYPE.
1519           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1520            Stub_table::update_data_size_and_addralign,
1521            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1522           definitions.
1523           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1524           (Stub_table::do_write): Ditto.
1525           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1527 2010-01-08  Ian Lance Taylor  <iant@google.com>
1529         PR 11108
1530         * symtab.h (class Symbol): Remove fields is_target_special_ and
1531         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1532         (Symbol::is_defined_in_discarded_section): New function.
1533         (Symbol::set_is_defined_in_discarded_section): New function.
1534         (Symbol::has_plt_offset): Rewrite.
1535         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1536         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1537         Don't initialize is_target_special_ or has_plt_offset_.
1538         Initialize is_defined_in_discarded_section_.
1539         (Symbol_table::add_from_relobj): If appropriate, set
1540         is_defined_in_discarded_section.
1541         * resolve.cc (Symbol::override_base_with_special): Don't test
1542         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1543         * target-reloc.h (relocate_section): Do special handling for
1544         symbols defined in discarded sections for global symbols as well
1545         as local symbols.
1547 2010-01-08  Ian Lance Taylor  <iant@google.com>
1549         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1550         the SHT_SYMTAB case.
1552 2010-01-08  Ian Lance Taylor  <iant@google.com>
1554         * object.cc (Sized_relobj::do_layout): Don't get confused if
1555         layout_eh_frame returns NULL.
1557 2010-01-08  Ian Lance Taylor  <iant@google.com>
1559         PR 11084
1560         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1561         dynamic symbol table, use the normal symbol table.
1562         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1563         symbol table.
1565 2010-01-08  Ian Lance Taylor  <iant@google.com>
1567         PR 11072
1568         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1569         sections.
1571 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1573         * version.cc (print_version): Change to "Copyright 2010".
1575 2010-01-08  Ian Lance Taylor  <iant@google.com>
1577         PR 10287
1578         PR 11063
1579         * i386.cc (class Target_i386): Change return type of plt_section
1580         to be non-const.
1581         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1582         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1583         tls_desc_rel_ field.
1584         (Output_data_plt_i386::rel_tls_desc): New function.
1585         (Target_i386::rel_tls_desc_section): New function.
1586         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1587         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1588         R_386_TLS_DESC reloc in rel_tls_desc_section.
1589         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1590         Define struct Tlsdesc_info.
1591         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1592         (Target_x86_64::do_reloc_symbol_index): New function.
1593         (Target_x86_64::add_tlsdesc_info): New function.
1594         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1595         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1596         tlsdesc_rel_ field.
1597         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1598         all callers.
1599         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1600         (Target_x86_64::rela_tlsdesc_section): New function.
1601         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1602         handling.
1603         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1604         (Target_x86_64::do_reloc_addend): New function.
1605         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1606         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1607         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1608         (Output_reloc::type): New function.
1609         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1610         (Output_reloc::is_target_specific): New function.
1611         (Output_reloc::target_arg): New function.
1612         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1613         absolute relocs and target specific relocs.
1614         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1615         add_target_specific.
1616         (class Output_data_reloc) [SHT_RELA]: Likewise.
1617         * output.cc (Output_reloc::Output_reloc): Add four new versions
1618         for absolute relocs and target specific relocs.
1619         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1620         (Output_reloc::get_symbol_index): Likewise.
1621         (Output_reloc::local_section_offset): Check that local_sym_index_
1622         is not TARGET_CODE or 0.
1623         (Output_reloc::symbol_value): Likewise.
1624         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1625         reloc.
1626         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1627         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1628         functions.
1629         * layout.cc (add_target_dynamic_tags): Use output section for
1630         DT_PLTRELSZ and DT_JMPREL.
1632 2010-01-07  Ian Lance Taylor  <iant@google.com>
1634         PR 11061
1635         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1636         function.
1637         (class Output_data_reloc_generic): Define.
1638         (class Output_data_reloc_base): Change base class to
1639         Output_data_reloc_generic.  Change add() method to call
1640         bump_relative_reloc_count for a relative reloc.  Remove
1641         sort_relocs_ field.
1642         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1643         to sort_relocs().
1644         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1645         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1646         appropriate.
1647         * layout.h (class Layout): Update declaration.
1649 2010-01-07  Ian Lance Taylor  <iant@google.com>
1651         * output.h (class Output_data): Add const version of
1652         output_section and do_output_section.
1653         (class Output_section_data): Add const version of
1654         do_output_section.
1655         (class Output_section): Likewise.
1656         * layout.cc (Layout::add_target_dynamic_tags): New function.
1657         * layout.h (class Layout): Update declarations.
1658         * arm.cc (Target_arm::do_finalize_sections): Use
1659         add_target_dynamic_tags.
1660         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1661         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1662         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1663         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1665 2010-01-07  Ian Lance Taylor  <iant@google.com>
1667         PR 11042
1668         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1669         object as needed.
1671 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1672             Ian Lance Taylor  <iant@google.com>
1674         PR 11019
1675         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1676         Xindex::read_symtab_xindex.
1678 2010-01-07  Doug Kwan  <dougkwan@google.com>
1680         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1681         (Insn_template::thumb16_bcond_insn): New method declaration.
1682         (Insn_template): Fix spelling.
1683         (Stub::thumb16_special): New method declaration.
1684         (Stub::do_write): Define virtual method which was previously pure
1685         virtual.
1686         (Stub::do_thumb16_special): New method declaration.
1687         (Stub::do_fixed_endian_write): New template member.
1688         (Reloc_stub::do_write): Remove.
1689         (Reloc_stub::do_fixed_endian_write): Remove.
1690         (Cortex_a8_stub): New class definition.
1691         (Stub_factory::make_cortex_a8_stub): New method definition.
1692         (Stub_factory::Stub_factory): Add missing static storage class
1693         qualifier for elf32_arm_stub_a8_veneer_blx.
1695 2010-01-07  Ian Lance Taylor  <iant@google.com>
1697         PR 10980
1698         * options.h (class General_options): Add --warn-unresolved-symbols
1699         and --error-unresolved-symbols.
1700         * errors.cc (Errors::undefined_symbol): Implement
1701         --warn-unresolved-symbols.
1703         * options.h (class General_options): Add -z text and -z textoff.
1704         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1706 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1708         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1709         (Garbage_collection::cident_sections): New function.
1710         (Garbage_collection::add_cident_section): New function.
1711         (Garbage_collection::cident_sections_): New member.
1712         (gc_process_relocs): Add references to sections whose names are C
1713         identifiers.
1714         * gold.h (cident_section_start_prefix): New constant.
1715         (cident_section_stop_prefix): New constant.
1716         (is_cident): New function.
1717         * layout.cc (Layout::define_section_symbols): Replace string constants
1718         with the newly defined constants.
1719         * object.cc (Sized_relobj::do_layout): Track sections whose names are
1720         C identifiers.
1721         * testsuite/Makefile.am: Add gc_orphan_section_test.
1722         * testsuite/Makefile.in: Regenerate.
1723         * testsuite/gc_orphan_section_test.cc: New file.
1724         * testsuite/gc_orphan_section_test.sh: New file.
1726 2010-01-06  Ian Lance Taylor  <iant@google.com>
1728         PR 10980
1729         * options.h (class General_options): Add --warn-shared-textrel.
1730         * layout.cc (Layout::finish_dynamic_section): Implement
1731         --warn-shared-textrel.
1733         PR 10980
1734         * options.h (class General_options): Add --warn-multiple-gp.
1736 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1738         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1739         $(THREADSLIB) and $(LIBDL).
1740         * Makefile.in: Rebuild.
1742 2010-01-06  Ian Lance Taylor  <iant@google.com>
1744         PR 10980
1745         * options.cc (General_options::parse_section_start): New function.
1746         (General_options::section_start): New function.
1747         (General_options::General_options): Initialize all members.
1748         * options.h: Include <map>
1749         (class General_options): Add --section-start.  Add section_starts_
1750         member.
1751         * layout.cc (Layout::attach_allocated_section_to_segment): If
1752         --section-start was used, set the address of the segment.  Remove
1753         local sort_sections.
1754         (Layout::relaxation_loop_body): If the address of the load segment
1755         has been set by --section-start, don't use it.
1756         * output.h (Output_segment::update_flags_for_output_section): New
1757         function.
1758         * output.cc (Output_segment::add_output_section): Call
1759         update_flags_for_output_section.
1761 2010-01-05  Ian Lance Taylor  <iant@google.com>
1763         PR 10980
1764         * options.h (class General_options): Add --undefined-version.
1765         * script.cc (struct Version_expression): Add was_matched_by_symbol
1766         field.
1767         (Version_script_info::matched_symbol): New function.
1768         (Version_script_info::get_symbol_version_helper): Call
1769         matched_symbol.
1770         (Version_script_info::check_unmatched_names): New function.
1771         * script.h (class Version_script_info): Update declarations.
1772         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1774         * options.h (class General_options): Use DEFINE_bool_alias for
1775         allow_multiple_definition.
1776         * resolve.cc (Symbol_table::should_override): Don't test
1777         allow_multiple_definition.
1779         PR 10980
1780         * options.h (class General_options): Add --cref.
1781         * main.cc (main): Print cref table if --cref.  Don't close mapfile
1782         until after printing cref table.
1783         * cref.cc: Include "symtab.h".
1784         (class Cref_inputs): Define Cref_table_compare and Cref_table.
1785         (Cref_table_compare::operator()): New function.
1786         (Cref_inputs::gather_cref): New function.
1787         (filecol): New static const.
1788         (Cref_inputs::print_cref): New function.
1789         (Cref::print_cref): New function.
1790         * cref.h: Include <cstdio>.
1791         (class Cref): Update declarations.
1792         * mapfile.h (Mapfile::file): New function.
1793         * object.h (class Object): Define Symbols.  Declare virtual
1794         do_get_global_symbols.
1795         (Object::get_global_symbols): New function.
1796         * object.cc (Input_objects::add_object): Pass object to cref_ if
1797         --cref.
1798         (Input_objects::archive_start): Likewise.
1799         (Input_objects::archive_stop): Likewise.
1800         (Input_objects::print_cref): New function.
1801         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1802         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1803         --cref.
1804         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1805         function.
1806         * plugin.h (class Sized_pluginobj): Update declarations.
1808 2010-01-05  Ian Lance Taylor  <iant@google.com>
1810         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1811         to is_default_version.  Rename insdef to insdefault.
1812         (Symbol_table::add_from_relobj): Rename def to is_default_version
1813         and local to is_forced_local.
1814         (Symbol_table::add_from_pluginobj): Likewise.
1815         (Symbol_table::add_from_dynobj): Likewise.
1816         (Symbol_table::define_special_symbol): Rename insdef to
1817         insdefault.
1819 2010-01-04  Ian Lance Taylor  <iant@google.com>
1821         PR 10980
1822         * options.h (class General_options): Add
1823         --allow-multiple-definition and -z muldefs.
1824         * resolve.cc (Symbol_table::should_override): Don't warn about a
1825         multiple symbol definition if --allow-multiple-definition or -z
1826         muldefs.
1828         PR 10980
1829         * options.h (class General_options): Add --add-needed and
1830         --copy-dt-needed-entries.  Tweak --as-needed help entry.
1831         * object.cc (Input_objects::check_dynamic_dependencies): Give an
1832         error if --copy-dt-needed-entries aka --add-needed is used and
1833         would cause a change in behaviour.
1835         PR 10980
1836         * options.h (class General_options): Add -G as a short version of
1837         --shared.  Add no-op options -assert, -g, and -i.
1839 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
1841         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1842         check for .text or .gnu.linkonce.t sections.
1843         * icf.cc (Icf::find_identical_sections): Ditto.
1844         Change the detection for mangled function name within the section
1845         name.
1846         * icf.h (is_section_foldable_candidate): New function.
1848 2009-12-30  Ian Lance Taylor  <iant@google.com>
1850         PR 10980
1851         * options.h (class General_options): Permit two dashes with
1852         --retain-symbols-file.
1854 2009-12-30  Ian Lance Taylor  <iant@google.com>
1856         PR 10979
1857         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1858         don't put the file header and segment headers in the text
1859         segment.
1861         PR 10979
1862         * common.cc (Sort_commons::operator()): Stabilize sort when both
1863         entries are NULL.
1864         (Symbol_table::do_allocate_commons_list): When allocating common
1865         symbols, skip a symbol which is no longer common.
1866         * symtab.h (Symbol::is_common): Test whether the symbol comes from
1867         an object before checking its type.
1868         * testsuite/common_test_2.c: New file.
1869         * testsuite/common_test_3.c: New file.
1870         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1871         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1872         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1873         (common_test_2_pic.o, common_test_2.so): New targets.
1874         (common_test_3_pic.o, common_test_3.so): New targets.
1875         * testsuite/Makefile.in: Rebuild.
1877         PR 10979
1878         * script.cc (read_input_script): If we see a new SECTIONS clause,
1879         and we have added an input section, give an error.
1880         * layout.h (class Layout): Add have_added_input_section function.
1881         Add have_added_input_section_ field.
1882         * layout.cc (Layout::Layout): Initialize
1883         have_added_input_section_.
1884         (Layout::layout): Set have_added_input_section_.
1885         (Layout::layout_eh_frame): Likewise.
1887 2009-12-30  Ian Lance Taylor  <iant@google.com>
1889         PR 10931
1890         * options.h (class General_options): Add --sort-common option.
1891         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1892         * common.cc (Sort_common): Add sort_order parameter to
1893         constructor.  Add sort_order_ field.
1894         (Sort_commons::operator): Check sort_order_.
1895         (Symbol_table::allocate_commons): Determine the sort order.
1896         (Symbol_table::do_allocate_commons): Add sort_order parameter.
1897         Change all callers.
1898         (Symbol_table::do_allocate_commons_list): Likewise.
1900 2009-12-30  Ian Lance Taylor  <iant@google.com>
1902         PR 10916
1903         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1904         symbols from this object, don't change the visibility of an
1905         undefined symbol.
1906         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1908 2009-12-30  Ian Lance Taylor  <iant@google.com>
1910         PR 10861
1911         * script.h (class Version_script_info): Define Language enum.
1912         Update declarations.  Define Glob, Exact, and Lookup types.  Add
1913         new fields globals_, locals_, and is_finalized_.
1914         * script.cc: Various formatting fixes.
1915         (class Parser_closure): Change language_stack_ from a vector of
1916         std::string to one of Version_script_info::Language.  Adjust all
1917         uses accordingly.
1918         (class Lazy_demangler): Remove.
1919         (struct Version_expression): Change language from std::string to
1920         Version_script_info::Language.
1921         (Version_script_info::Version_script_info): New function.
1922         (Version_script_info::~Version_script_info): Don't call clear.
1923         (Version_script_info::finalize): New function.
1924         (Version_script_info::build_lookup_tables): New function.
1925         (Version_script_info::build_expression_list_lookup): New
1926         function.
1927         (Version_script_info::get_symbol_version_helper): Rewrite to use
1928         lookup tables.
1929         (Version_script_info::print_expression_list): Adjust to use
1930         Version_script_info::Language.
1931         (script_push_lex_into_version_mode): Check that the version script
1932         has not been finalized.
1933         (version_script_push_lang): Change language string to
1934         Version_script_info::Language.
1935         * options.cc (Command_line::version_script): New function.
1936         * options.h (class General_options): Add finalize_dynamic_list
1937         function.  Change version_script from declaration to definition.
1938         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1939         * testsuite/version_script.map: Remove duplicate def of foo.
1940         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1941         version_script.map.
1942         * testsuite/Makefile.in: Rebuild.
1944 2009-12-30  Ian Lance Taylor  <iant@google.com>
1946         PR 10843
1947         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1948         if the input symbol index is 0, make the output symbol index 0.
1950 2009-12-30  Ian Lance Taylor  <iant@google.com>
1952         PR 10670
1953         * options.h (class General_options): Add -x/--discard-all.
1954         * object.cc (Sized_relobj::do_count_local_symbols): Handle
1955         --discard-all.  If the local symbol needs a dynamic entry, check
1956         that before handling --discard-locals.
1958 2009-12-30  Ian Lance Taylor  <iant@google.com>
1960         PR 10450
1961         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
1962         flags to PF_R.
1963         (Output_segment::add_output_section): Don't change the flags if
1964         the type is PT_TLS.
1966         PR 10450
1967         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
1968         GNU hash table if they need a dynamic value.  Otherwise, don't add
1969         them if they are defined in a dynamic object or are forced local.
1971 2009-12-29  Ian Lance Taylor  <iant@google.com>
1973         PR 10450
1974         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
1975         .gnu.hash table for a 32-bit target.
1977         PR 10450
1978         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
1979         regular and a dynamic object only needs a dynamic symbol table
1980         entry if it is externally visible.
1982         PR 10450
1983         * i386.cc (class Target_i386): Initialize global_offset_table_ in
1984         constructor.  Add global_offset_table_ field.
1985         (Target_i386::got_section): Set global_offset_table_.
1986         (Target_i386::do_finalize_sections): Set global_offset_table_
1987         size.
1988         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
1989         in constructor.  Add global_offset_table_ field.
1990         (Target_x86_64::got_section): Set global_offset_table_.
1991         (Target_x86_64::do_finalize_sections): Set global_offset_table_
1992         size.
1994         * layout.cc (Layout::Layout): Initialize increase_relro_.
1995         (Layout::get_output_section): Add is_relro, is_last_relro, and
1996         is_first_non_relro parameters.  Change all callers.
1997         (Layout::choose_output_section): Likewise.
1998         (Layout::add_output_section_data): Likewise.
1999         (Layout::make_output_section): Likewise.
2000         (Layout::set_segment_offsets): Clear increase_relro when using a
2001         linker script.
2002         * layout.h (class Layout): Add increase_relro method.  Add
2003         increase_relro_ field.  Update declarations.
2004         * output.cc (Output_section::Output_section): Initialize
2005         is_last_relro_ and is_first_non_relro_.
2006         (Output_segment::add_output_section): Group relro sections is
2007         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2008         (Output_segment::maximum_alignment): Remove relro handling.
2009         (Output_segment::set_section_addresses): Add increase_relro
2010         parameter.  Change all callers.  Add initial alignment to align
2011         relro sections on separate page.  Remove old relro handling.
2012         (Output_segment::set_section_list_addresses): Remove in_relro
2013         parameter.  Change all callers.
2014         (Output_segment::set_offset): Add increase parameter.  Change all
2015         callers.  Remove old relro handling.
2016         * output.h (class Output_section): Add new methods: is_last_relro,
2017         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2018         Add is_last_relro_ and is_first_non_relro_ fields.
2019         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2020         Create separate .got.plt section.  Call increase_relro.
2021         * x86_64.cc (Target_x86_64::got_section): Likewise.
2022         * testsuite/relro_script_test.t: Add .got.plt.
2024         PR 10450
2025         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2026         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2027         (Layout::finalize): Call set_dynamic_symbol_size.
2028         (Layout::set_dynamic_symbol_size): New function.
2029         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2030         set_dynamic_symbol_size.
2032         PR 10450
2033         * output.h (class Output_section): Add is_entsize_zero_ field.
2034         * output.cc (Output_section::Output_section): Initialize
2035         is_entsize_zero_.
2036         (Output_section::set_entsize): If two different entsizes are
2037         requested, force it to zero.
2038         (Output_section::add_input_section): Set flags for .debug_str
2039         before updating section flags.  Set entsize.
2040         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2041         and SHF_STRING if all input sections have those flags.
2043 2009-12-29   Rafael Espindola  <espindola@google.com>
2045         * main.cc (main): Fix the sys time reporting.
2046         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2047         reporting.
2049 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2051         * options.cc (General_options::parse_version): Allow -v to exit
2052         without an error if there is nothing to link.
2054 2009-12-29  Ian Lance Taylor  <iant@google.com>
2056         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2057         using a version of gcc before 4.1.
2058         * configure: Rebuild.
2060 2009-12-28  Chris Demetriou  <cgd@google.com>
2062         * attributes.cc (Output_attributes_section_data::do_write): Use
2063         std::vector::front rather than std::vector::data.
2065 2009-12-28  Ian Lance Taylor  <iant@google.com>
2067         * symtab.h (class Symbol_table): Add enum Defined.
2068         * resolve.cc (Symbol_table::should_override): Add defined
2069         parameter.  Change all callers.  Test whether object is NULL
2070         before calling a method on it.
2071         (Symbol_table::report_resolve_problem): Add defined parameter.
2072         Change all callers.
2073         (Symbol_table::should_override_with_special): Likewise.
2074         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2075         parameter.  Change all callers.
2076         (Symbol_table::do_define_in_output_data): Likewise.
2077         (Symbol_table::define_in_output_segment): Likewise.
2078         (Symbol_table::do_define_in_output_segment): Likewise.
2079         (Symbol_table::define_as_constant): Likewise.
2080         (Symbol_table::do_define_as_constant): Likewise.
2081         * script.h (class Symbol_assignment): Add is_defsym parameter to
2082         constructor; change all callers.
2083         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2084         parameter.  Change all callers.  Add is_defsym_ field.
2085         (class Parser_closure): Add parsing_defsym parameter to
2086         constructor; change all callers.  Add parsing_defsym accessor
2087         function.  Add parsing_defsym_ field.
2089 2009-12-28  Ian Lance Taylor  <iant@google.com>
2091         * gold.cc (queue_middle_tasks): Fix formatting.
2092         * object.cc (Relobj::is_section_name_included): Likewise.
2094 2009-12-23  Ian Lance Taylor  <iant@google.com>
2096         * i386.cc (Target_i386::do_calls_non_split): Recognize
2097         -fsplit-stack prologue for a function with a static chain.
2098         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2099         -fsplit-stack prologue when using %r11.
2101 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2103         * options.cc (General_options::parse_version): Make -v continue and do
2104         the link like GNU ld does.
2106 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2108         * Makefile.am (CCFILES): Add timer.cc.
2109         (HFILES): Add timer.h.
2110         * configure.ac: Check for sysconf and times.
2111         * main.cc: include timer.h.
2112         (main): Use Timer instead of get_run_time.
2113         * timer.cc: New.
2114         * timer.h: New.
2115         * workqueue.cc: include timer.h.
2116         (Workqueue::find_and_run_task):
2117         Report user, sys and wall time.
2118         * Makefile.in: Regenerate.
2119         * config.in: Regenerate.
2120         * configure: Regenerate.
2122 2009-12-16  Doug Kwan  <dougkwan@google.com>
2124         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2125         sections.
2126         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2127         relaxed input sections.
2128         * output.cc (Output_section::find_relaxed_input_section): Change
2129         return type to Output_relaxed_input_section pointer.  Adjust code
2130         for new type of relaxed_input_section_map_.
2131         * output.h (Output_section::find_relaxed_input_section): Change
2132         return type to Output_relaxed_input_section pointer.
2133         (Output_section::Output_relaxed_input_section_by_input_section_map):
2134         New type.
2135         (Output_section::relaxed_input_section_map_): Change type to
2136         Output_section::Output_relaxed_input_section_by_input_section_map.
2137         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2138         input section.
2140 2009-12-15  Ian Lance Taylor  <iant@google.com>
2142         * layout.cc (Layout::create_shstrtab): Only write out after input
2143         sections if we are compressing debug sections.
2145 2009-12-15  Ian Lance Taylor  <iant@google.com>
2147         * archive.cc (Archive::add_symbols): Only look up a symbol without
2148         a version if there is, in fact, a version.
2150 2009-12-14  Ian Lance Taylor  <iant@google.com>
2152         Revert -Wshadow changes, all changes from:
2153         2009-12-11  Doug Kwan  <dougkwan@google.com>
2154         2009-12-11  Nick Clifton  <nickc@redhat.com>
2155         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2157 2009-12-11  Doug Kwan  <dougkwan@google.com>
2159         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2160         due to -Wshadow.
2161         * attributes.cc (Object_attribute::size): Ditto.
2162         (Attributes_section_data::size): Ditto.
2163         (Attributes_section_data::Attributes_section_data): Ditto.
2164         (Output_attributes_section_data::do_write): Ditto.
2165         * attributes.h (Object_attribute::set_type): Ditto.
2166         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2168 2009-12-11  Nick Clifton  <nickc@redhat.com>
2170         * archive.cc: Fix shadowed variable warnings.
2171         * arm.cc: Likewise.
2172         * compressed_output.cc: Likewise.
2173         * compressed_output.h: Likewise.
2174         * configure: Likewise.
2175         * dwarf_reader.cc: Likewise.
2176         * dynobj.cc: Likewise.
2177         * dynobj.h: Likewise.
2178         * ehframe.cc: Likewise.
2179         * ehframe.h: Likewise.
2180         * errors.cc: Likewise.
2181         * expression.cc: Likewise.
2182         * fileread.cc: Likewise.
2183         * fileread.h: Likewise.
2184         * freebsd.h: Likewise.
2185         * i386.cc: Likewise.
2186         * icf.cc: Likewise.
2187         * incremental.h: Likewise.
2188         * layout.cc: Likewise.
2189         * layout.h: Likewise.
2190         * mapfile.cc: Likewise.
2191         * merge.cc: Likewise.
2192         * merge.h: Likewise.
2193         * object.cc: Likewise.
2194         * object.h: Likewise.
2195         * options.h: Likewise.
2196         * output.cc: Likewise.
2197         * output.h: Likewise.
2198         * parameters.cc: Likewise.
2199         * plugin.cc: Likewise.
2200         * powerpc.cc: Likewise.
2201         * reduced_debug_output.cc: Likewise.
2202         * reduced_debug_output.h: Likewise.
2203         * reloc.cc: Likewise.
2204         * reloc.h: Likewise.
2205         * resolve.cc: Likewise.
2206         * script-sections.cc: Likewise.
2207         * script.cc: Likewise.
2208         * script.h: Likewise.
2209         * sparc.cc: Likewise.
2210         * symtab.cc: Likewise.
2211         * symtab.h: Likewise.
2212         * target-select.cc: Likewise.
2213         * target-select.h: Likewise.
2214         * token.h: Likewise.
2215         * workqueue.cc: Likewise.
2216         * workqueue.h: Likewise.
2217         * x86_64.cc: Likewise.
2219 2009-12-10  Doug Kwan  <dougkwan@google.com>
2221         * arm.cc (attributes.h): New include.
2222         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2223         (Arm_relobj::~Arm_relobj): Delete object pointed by
2224         attributes_section_data_.
2225         (Arm_relobj::attributes_section_data): New method definition.
2226         (Arm_relobj::attributes_section_data_): New data member declaration.
2227         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2228         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2229         attributes_section_data_.
2230         (Arm_dynobj::attributes_section_data): New method definition.
2231         (Arm_dynobj::attributes_section_data_): New data member declaration.
2232         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2233         initialization value of may_use_blx_ to false.
2234         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2235         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2236         object attributes to compute results instead of hard-coding.
2237         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2238         Target_arm::get_secondary_compatible_arch,
2239         Target_arm::set_secondary_compatible_arch
2240         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2241         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2242         New method declarations.
2243         (Target_arm::get_aeabi_object_attribute): New method definition.
2244         (Target_arm::attributes_section_data_): New data member declaration.
2245         (read_arm_attributes_section): New template definition.
2246         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2247         (Arm_dynobj::do_read_symbols): Ditto.
2248         (Target_arm::do_finalize_sections): Merge attributes sections from
2249         input.  Check for BLX use after attributes section merging.
2250         Fix __exidx_start and __exidx_end visibility.  Create an
2251         .ARM.attributes section if necessary.
2252         (Target_arm::get_secondary_compatible_arch,
2253         Target_arm::set_secondary_compatible_arch,
2254         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2255         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2256         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2257         New method definitions.
2259 2009-12-09  Ian Lance Taylor  <iant@google.com>
2261         * plugin.cc (Plugin::load): Don't cast from void* to a function
2262         pointer.
2264 2009-12-09  Ian Lance Taylor  <iant@google.com>
2266         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2267         information fields.
2269 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2271         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2272         Replace two_file_shared_1.so with two_file_shared_2.so.
2273         * testsuite/Makefile.in: Regenerated.
2275 2009-12-08  Doug Kwan  <dougkwan@google.com>
2277         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2278         (HFILES): Add attributes.h and int_encoding.h.
2279         * Makefile.in: Regenerate.
2280         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2281         function definitions to int_encoding.cc
2282         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2283         prototypes to int_encoding.h
2284         * reduced_debug_output.cc (int_encoding.h): New include.
2285         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2286         function definitions to int_encoding.cc
2287         (insert_into_vector, read_from_pointer): Move template definitions to
2288         int_encoding.h
2289         * attributes.cc: New file.
2290         * attributes.h: New file.
2291         * int_encoding.cc: New file.
2292         * int_encoding.h: New file.
2294 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2296         PR gold/11055
2297         * incremental-dump.cc (dump_incremental_inputs): New.
2298         (main): Use dump_incremental_inputs.
2300 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2302         PR gold/10893
2303         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2304         checking elfcpp::STT_FUNC.
2305         (Target_i386::Relocate::relocate): Likewise.
2306         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2308         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2309         symbols from shared libraries into normal FUNC symbols.
2311         * symtab.h (Symbol): Add is_func and use it.
2313 2009-12-05  Doug Kwan  <dougkwan@google.com>
2315         * arm.cc (Target_arm::arm_info): Initialize new fields
2316         attributes_section and attributes_vendor.
2317         * i386.cc (Target_i386::i386_info): Same.
2318         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2319         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2320         fields attributes_section and attributes_vendor.
2321         * sparc.cc (Target_sparc::sparc_info): Same.
2322         * target.h (Target::attributes_section, Target::attributes_vendor,
2323         Target::is_attributes_section, Target::attribute_arg_type,
2324         Target::attributes_order): New method definitions.
2325         (Target::Target_info::attributes_section,
2326         Target::Target_info::attributes_vendor): New fields.
2327         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2328         virtual method definitions.
2329         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2330         attributes_section and attributes_vendor.
2331         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2333 2009-12-05  Doug Kwan  <dougkwan@google.com>
2335         * arm.cc: Update comments about interworking and stub generation.
2336         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2337         considered as non-PIC.
2338         (Arm_relocate_functions::base_abs): Fix formatting.
2339         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2340         of function to use GOT entry address instead of offset.
2341         (Target_arm::Scan::global): Issue an error if a symbol would need a
2342         PLT does not get one because it is untyped.  Remove code to create
2343         dynamic symbols for relative branches.
2344         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2345         takes unsigned integer instead of boolean.
2347 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2349         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2350         (two_file_test_LDADD): Likewise.
2351         (common_test_1_LDADD): Likewise.
2352         (exception_test_LDADD) Likewise.
2353         (weak_test_LDADD): Likewise.
2354         (many_sections_test_LDADD): Likewise.
2355         (initpri1_LDADD): Likewise.
2356         (script_test_1_LDADD): Likewise.
2357         (script_test_2_LDADD): Likewise.
2358         (justsyms_LDADD): Likewise.
2359         (binary_test_LDADD): Likewise.
2360         (large_LDADD): Likewise.
2361         * testsuite/Makefile.in: Regenerated.
2363 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2365         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2366         (Symbol_table::override_with_special): Likewise.
2367         (Symbol_table::add_from_object): Likewise.
2369 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2371         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2372         Don't set the data_offset twice.
2374 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2376         * testsuite/Makefile.in: Regenerate.
2378 2009-12-03  Doug Kwan  <dougkwan@google.com>
2380         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2381         (Target_arm::do_finalize_sections): Add parameter for symbol table
2382         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2383         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2384         parameter for symbol table pointer.
2385         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2386         an additional parameter for a pointer to symbol table.
2387         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2388         parameter for a symbol table pointer.
2389         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2390         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2391         Ditto.
2392         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2393         parameter for a symbol table pointer.
2395 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2397         * incremental.cc (Incremental_inputs_header)
2398         (Incremental_inputs_header_write, Incremental_inputs_entry)
2399         (Incremental_inputs_entry_write): Move ...
2400         * incremental.h (Incremental_inputs_header)
2401         (Incremental_inputs_header_write, Incremental_inputs_entry)
2402         (Incremental_inputs_entry_write): here.
2404 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2406         * incremental.cc (make_sized_incremental_binary): Set the target.
2407         Error if it is incompatible.
2408         * output.h (Output_file): Add filename method.
2410 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2412         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2413         from the get_* methods.
2415 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2417         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2418         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2419         Write 0 for the data_offset of scripts.
2421 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2423         * testsuite/Makefile.am: Add the incremental_test.sh test.
2424         * testsuite/incremental_test.sh: New.
2425         * testsuite/incremental_test_1.c: New.
2426         * testsuite/incremental_test_2.c: New.
2428 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2430        * incremental-dump.cc (main): Fix typos.
2432 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2434         PR gold/11025
2435         * incremental-dump.cc (main): Use llu to print 64 bit values.
2437 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2438             H.J. Lu  <hongjiu.lu@intel.com>
2440         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2441         $(LIBDL).
2442         (incremental_dump_LDADD): Likewise.
2443         * Makefile.in: Regenerated.
2445 2009-11-25  Doug Kwan  <dougkwan@google.com>
2446         
2447         Revert:
2449         2009-11-25  Doug Kwan  <dougkwan@google.com>
2451                 * arm.cc (Target_arm::Target_arm): Move method definition
2452                 outside of class definition.  Add code to handle
2453                 --target1-rel, --target1-abs and --target2= options.
2454                 (Target_arm::get_reloc_reloc_type): Change method to be
2455                 non-static and const.
2456                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2457                 New data member declaration.
2458                 (Target_arm::Scan::local, Target_arm::Scan::global,
2459                 Target_arm::Relocate::relocate,
2460                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2461                 Adjust call to Target_arm::get_real_reloc_type.
2462                 (Target_arm::get_real_reloc_type): Use command line options
2463                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2464                 * options.h (--target1-rel, --target1-abs, --target2): New
2465                 ARM-only options.
2467 2009-11-25  Doug Kwan  <dougkwan@google.com>
2469         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2470         class definition.  Add code to handle --target1-rel, --target1-abs
2471         and --target2= options.
2472         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2473         and const.
2474         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2475         member declaration.
2476         (Target_arm::Scan::local, Target_arm::Scan::global,
2477         Target_arm::Relocate::relocate,
2478         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2479         call to Target_arm::get_real_reloc_type.
2480         (Target_arm::get_real_reloc_type): Use command line options to
2481         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2482         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2483         options.
2485 2009-11-25  Doug Kwan  <dougkwan@google.com>
2487         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2488         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2489         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2490         formatting.
2491         (Arm_relocate_functions::thm_call): Replace body with a call to
2492         Arm_relocate_functions::thumb_branch_common.
2493         (Arm_relocate_functions::thm_jump24,
2494         Arm_relocate_functions::thm_xpc22): New method definitions.
2495         (Arm_relocate_functions::thumb_branch_common): New method definition.
2496         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2497         operator.
2498         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2499         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2501 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2503         * Makefile.am: Build incremental-dump
2504         * Makefile.in: Regenerate.
2505         * incremental-dump.cc: New.
2506         * incremental.cc (Incremental_inputs_header_data,
2507         Incremental_inputs_entry_data): Move to incremental.h
2508         * incremental.h: (Incremental_inputs_header_data,
2509         Incremental_inputs_entry_data): Move from incremental.cc
2511 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2513         * incremental.cc (Incremental_inputs_header,
2514         Incremental_inputs_header_write, Incremental_inputs_entry,
2515         Incremental_inputs_entry_write): Add a typedef with the data type.
2517 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2519         * incremental.cc (Incremental_inputs_header,
2520         Incremental_inputs_header_write, Incremental_inputs_entry,
2521         Incremental_inputs_entry_write): Update comment about which
2522         type has the filed descriptions.
2524 2009-11-15  Doug Kwan  <dougkwan@google.com>
2526         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2527         (Arm_relocate_functions::arm_branch_common): Change method defintion
2528         in class definition to a method declaration and update list of formal
2529         parameters.
2530         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2531         Arm_relocation_functions::jump24): Adjust call to
2532         Arm_relocate_functions::arm_branch_common.  Update list of formal
2533         parameters.
2534         (Arm_relocate_functions::xpc25): New method definition.
2535         (Arm_relocate_functions::arm_branch_common): Move method defintion
2536         out from class definition.  Use stubs for mode-switching and extending
2537         branch ranges.
2538         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2539         specially.  Change code to enable use of stubs in ARM branches.
2541 2009-11-10  Doug Kwan  <dougkwan@google.com>
2543         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2544         in method declaration.
2545         (Target_arm::relocate_stub): New method declaration.
2546         (Target_arm::default_target): Change to return a pointer instead of
2547         a const reference.
2548         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2549         Target_arm::default_target.
2550         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2551         method definition.
2552         (Target_arm::relocate_section): Adjust view.
2553         (Target_arm::relocate_stub): New method definition.
2555 2009-11-10  Doug Kwan  <dougkwan@google.com>
2557         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2558         a format warning.
2559         * incremental.cc (open_incremental_binary): Initialized local
2560         variables to avoid warnings.
2561         * object.cc (make_elf_object): Ditto.
2562         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2563         a format warning.
2565 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2567         PR gold/10930
2568         * testsuite/plugin_test.c: Include "config.h".
2570 2009-11-09  Doug Kwan  <dougkwan@google.com>
2572         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2573         (arm_symbol_value): Remove.
2574         (Arm_relocate_functions::arm_branch_common,
2575         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2576         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2577         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2578         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2579         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2580         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2581         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2582         Arm_relocate_functions::thm_mobw_abs_nc,
2583         Arm_relocate_functions::thm_mov_abs,
2584         Arm_relocate_functions::movw_prel_nc,
2585         Arm_relocate_functions::thm_movt_abs,
2586         Arm_relocate_functions::movt_prel,
2587         Arm_relocate_functions::thm_movw_prel_nc,
2588         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2589         (Target_arm::Relocate::relocate): Only decompose address into two
2590         parts if relocation type uses the thumb-bit and pass the actual
2591         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2592         calls to methods in Arm_relocate_functions for this change.
2594 2009-11-08  Ian Lance Taylor  <iant@google.com>
2596         PR 10925
2597         * reloc.cc: Instantiate
2598         Sized_relobj::initialize_input_to_output_maps and
2599         Sized_relobj:free_input_to_output_maps.
2601 2009-11-06  Ian Lance Taylor  <iant@google.com>
2603         PR 10876
2604         * defstd.cc (in_segment): Set only_if_ref true for "end".
2606 2009-11-06  Doug Kwan  <dougkwan@google.com>
2608         * arm.cc (class Reloc_stub): Correct a comment.
2609         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2610         (Target_arm::scan_section_for_stubs): New method declaration.
2611         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2612         Change methods from private to protected.
2613         (Target_arm::do_may_relax): New method definition.
2614         (Target_arm::do_relax, Target_arm::group_sections,
2615         Target_arm::scan_reloc_for_stub,
2616         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2617         (Target_arm::arm_input_section_map_): New data member declaration.
2618         (Target_arm::scan_reloc_for_stub,
2619         Target_arm::scan_reloc_section_for_stubs,
2620         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2621         Target_arm::do_relax): New method definitions.
2623 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2625         * configure.ac: Check for (struct stat)::st_mtim
2626         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2627         * config.in: Regenerate.
2628         * configure: Regenerate.
2630 2009-11-05  Ian Lance Taylor  <iant@google.com>
2632         PR 10910
2633         * output.cc (Output_segment::add_output_section): Add missing
2634         return statement.
2636 2009-11-04  Ian Lance Taylor  <iant@google.com>
2638         PR 10880
2639         * object.h (class Object): Add is_needed and set_is_needed
2640         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2641         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2642         defined in a dynamic object and referenced by a regular object,
2643         set is_needed for the dynamic object.
2644         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2645         if the file is marked with as_needed and it is not needed.
2647 2009-11-04  Ian Lance Taylor  <iant@google.com>
2649         PR 10887
2650         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2651         tags if data is discarded by linker script.
2652         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2653         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2654         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2655         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2657 2009-11-04  Ian Lance Taylor  <iant@google.com>
2659         * layout.cc (Layout::get_output_section): Add is_interp and
2660         is_dynamic_linker_section parameters.  Change all callers.
2661         (Layout::choose_output_section): Likewise.
2662         (Layout::make_output_section): Likewise.
2663         (Layout::add_output_section_data): Add is_dynamic_linker_section
2664         parameter.  Change all callers.
2665         * layout.h (class Layout): Update declarations.
2666         * output.h (class Output_section): Add is_interp, set_is_interp,
2667         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2668         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2669         generate_code_fills_at_write_ to a bitfield.
2670         * output.cc (Output_section::Output_sections): Initialize new
2671         fields.
2672         (Output_segment::add_output_section): Add do_sort parameter.
2673         Change all callers.
2675 2009-11-03  Ian Lance Taylor  <iant@google.com>
2677         PR 10860
2678         * options.h (class General_options): Add --warn-common.
2679         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2680         merging two common symbols.
2681         (Symbol_table::should_override): Handle --warn-common when merging
2682         a common symbol with a defined symbol.  Use report_resolve_problem
2683         for multiple definitions.
2684         (Symbol_table::report_resolve_problem): New function.
2685         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2687 2009-11-03  Doug Kwan  <dougkwan@google.com>
2689         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2690         stub_factory_.
2691         (Target_arm::stub_factory): New method definition.
2692         (Target_arm::new_arm_input_section,
2693         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2694         Target_arm::reloc_uses_thumb_bit): New method declarations.
2695         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2696         New type definitions.
2697         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2698         member declarations.
2699         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2700         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2701         New method definitions.
2703 2009-11-03  Ian Lance Taylor  <iant@google.com>
2705         * options.h (class General_options): Add --warn_constructors.
2707 2009-11-03  Ian Lance Taylor  <iant@google.com>
2709         PR 10893
2710         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2711         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2713 2009-11-03  Ian Lance Taylor  <iant@google.com>
2715         PR 10895
2716         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2717         --msgid-bugs-address.
2718         (install-pdf): New target.
2719         (install-data_yes): Look up one directory to find mkinstalldirs.
2721 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
2723         * po/Make-in (.po.gmo): Don't generate .gmo files in source
2724         tree.
2726 2009-10-30  Doug Kwan  <dougkwan@google.com>
2728         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2730 2009-10-30  Doug Kwan  <dougkwan@google.com>
2732         * arm.cc (Stub_addend_reader): New struct template definition
2733         and partial specializations.
2734         (Stub_addend_reader::operator()): New method definition for a
2735         partially specialized template.
2737 2009-10-30  Doug Kwan  <dougkwan@google.com>
2739         * arm.cc (Arm_relobj::processor_specific_flags): New method
2740         definition.
2741         (Arm_relobj::do_read_symbols): New method declaration.
2742         (Arm_relobj::processor_specific_flags_): New data member declaration.
2743         (Arm_dynobj): New class definition.
2744         (Target_arm::do_finalize_sections): Add input_objects parameter.
2745         (Target_arm::do_adjust_elf_header): New method declaration.
2746         (Target_arm::are_eabi_versions_compatible,
2747         (Target_arm::merge_processor_specific_flags): New method declaration.
2748         (Target_arm::do_make_elf_object): New overloaded method definitions
2749         and declaration.
2750         (Arm_relobj::do_read_symbols): New method definition.
2751         (Arm_dynobj::do_read_symbols): Ditto.
2752         (Target_arm::do_finalize_sections): Add input_objects parameters.
2753         Merge processor-specific flags from all input objects.
2754         (Target_arm::are_eabi_versions_compatible,
2755         Target_arm::merge_processor_specific_flags,
2756         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2757         New method definitions.
2758         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2759         Input_objects pointer type parameter.
2760         * layout.cc (Layout::finalize): Pass input objects to target's.
2761         finalize_sections function.
2762         * output.cc (Output_file_header::do_sized_write): Set ELF file
2763         header's processor-specific flags.
2764         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2765         Input_objects pointer type parameter.
2766         * sparc.cc (Target_sparc::do_finalize_sections): Same.
2767         * target.h (Input_objects): New forward class declaration.
2768         (Target::processor_specific_flags,
2769         Target::are_processor_specific_flags_sect): New method definitions.
2770         (Target::finalize_sections): Add input_objects parameter.
2771         (Target::Target): Initialize processor_specific_flags_ and
2772         are_processor_specific_flags_set_.
2773         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2774         parameter.
2775         (Target::set_processor_specific_flags): New method definition.
2776         (Target::processor_specific_flags_,
2777         Target::are_processor_specific_flags_set_): New data member
2778         declarations.
2779         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2780         Input_objects pointer type parameter.
2782 2009-10-30  Doug Kwan  <dougkwan@google.com>
2784         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2786 2009-10-28  Ian Lance Taylor  <iant@google.com>
2788         * object.h (class Relobj): Drop options parameter from
2789         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2790         do_scan_relocs, do_relocate.  Change all callers.
2791         (class Sized_relobj): Drop options parameters from
2792         do_gc_process_relocs, do_scan_relocs, do_relocate,
2793         do_relocate_sections, relocate_sections, emit_relocs_scan,
2794         emit_relocs_scan_reltype.  Change all callers.
2795         (struct Relocate_info): Remove options field and all references to
2796         it.
2797         * reloc.h (class Read_relocs): Remove options constructor
2798         parameter and options_ field.  Change all callers.
2799         (class Gc_process_relocs, class Scan_relocs): Likewise.
2800         (class Relocate_task): Likewise.
2801         * target-reloc.h (scan_relocs): Remove options parameter.  Change
2802         all callers.
2803         (scan_relocatable_relocs): Likewise.
2804         * target.h (class Sized_target): Remove options parameter from
2805         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
2806         all callers.
2807         * gc.h (gc_process_relocs): Remove options parameter.  Change all
2808         callers.
2809         * arm.cc: Update functions to remove options parameters.
2810         * i386.cc: Likewise.
2811         * powerpc.cc: Likewise.
2812         * sparc.cc: Likewise.
2813         * x86_64.cc: Likewise.
2814         * testsuite/testfile.cc: Likewise.
2816 2009-10-28  Doug Kwan  <dougkwan@google.com>
2818         * arm.cc (Arm_relobj): New class definition.
2819         (Arm_relobj::scan_sections_for_stubs, 
2820         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2821         New method definitions.
2823 2009-10-28  Cary Coutant  <ccoutant@google.com>
2825         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2826         (Plugin::cleanup_done_): New member.
2827         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2828         (Plugin_manager::cleanup_done_): Remove.
2829         (Plugin_manager::add_input_file): Edit error message.
2830         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2831         (Plugin_manager::cleanup): Remove use of cleanup_done_.
2833 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
2835         * fileread.cc: (File_read::View::~View): Use the new
2836         data_ownership_ filed.
2837         (File_read::~File_read): Dispose the new whole_file_view_.
2838         (File_read::open): Mmap the whole file if needed.
2839         (File_read::open): Use whole_file_view_ instead of contents_.
2840         (File_read::find_view): Use whole_file_view_ if applicable.
2841         (File_read::do_read): Use whole_file_view_ instead of contents_.
2842         (File_read::make_view): Use whole_file_view_ instead of contents_,
2843         update File_read::View::View call.
2844         (File_read::find_or_make_view): Update File_read::View::View
2845         call.
2846         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2847         remove contents_
2848         (File_read::View::Data_ownership): New enum.
2849         (File_read::View::View): Replace bool mapped_ with Data_ownership
2850         argument.
2851         (File_read::View::mapped_): Remove (replaced by data_ownership_).
2852         (File_read::View::data_ownership_): New field.
2853         (File_read::contents_): Remove (replaced by whole_file_view_).
2854         (File_read::whole_file_view_): New field.
2855         * options.h (class General_options): Add --keep-files-mapped.
2857 2009-10-27  Cary Coutant  <ccoutant@google.com>
2859         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2860         * testsuite/Makefile.am (plugin_test_5): New test case.
2861         * testsuite/Makefile.in: Regenerate.
2863 2009-10-25  Doug Kwan  <dougkwan@google.com>
2865         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2866         from private to protected to allow access by child class.
2867         (Sized_relobj::do_relocate_sections): New method declaration.
2868         (Sized_relobj::relocate_sections): Virtualize.
2869         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
2870         Sized_relobj::relocate_sections.  Instantiate template explicitly
2871         for different target sizes and endianity.
2873 2009-10-24  Doug Kwan  <dougkwan@google.com>
2875         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2876         (Arm_input_section::as_arm_input_section): New method.
2877         (Arm_output_section): New class definition.
2878         (Arm_output_section::create_stub_group,
2879         Arm_output_section::group_sections): New method definitions.
2881 2009-10-22  Doug Kwan  <dougkwan@google.com>
2883         * arm.cc (Arm_input_section): New class definition.
2884         (Arm_input_section::init, Arm_input_section:do_write,
2885         Arm_input_section::set_final_data_size,
2886         Arm_input_section::do_reset_address_and_file_offset): New method
2887         definitions.
2889 2009-10-21  Doug Kwan  <dougkwan@google.com>
2891         * arm.cc (Stub_table, Arm_input_section): New forward class
2892         declarations.
2893         (Stub_table): New class defintion.
2894         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2895         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2896         New method definition.
2898 2009-10-21  Doug Kwan  <dougkwan@google.com>
2900         * arm.cc: Update copyright comments.
2901         (Target_arm): New forward class template declaration.
2902         (Arm_address): New type.
2903         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2904         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2905         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2906         constants.
2907         (Insn_template): Same.
2908         (DEF_STUBS): New macro.
2909         (Stub_type): New enum type.
2910         (Stub_template): New class definition.
2911         (Stub): Same.
2912         (Reloc_stub): Same.
2913         (Stub_factory): Same.
2914         (Target_arm::Target_arm): Initialize may_use_blx_ and
2915         should_force_pic_veneer_.
2916         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2917         Target_arm::should_force_pic_veneer,
2918         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2919         Target_arm::using_thumb_only, Target_arm:;default_target): New
2920         method defintions.
2921         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2922         New data member declarations.
2923         (Insn_template::size, Insn_template::alignment): New method defintions.
2924         (Stub_template::Stub_template): New method definition.
2925         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2926         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2927         (Stub_factory::Stub_factory): New method definition.
2928         * gold.h (string_hash): New template.
2929         * output.h (Input_section_specifier::hash_value): Use
2930         gold::string_hash.
2931         (Input_section_specifier::string_hash): Remove.
2932         * stringpool.cc (Stringpool_template::string_hash): Use
2933         gold::string_hash.
2935 2009-10-20  Doug Kwan  <dougkwan@google.com>
2937         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2938         symbols of relaxed input sections.
2939         * output.h (Output_section::find_relaxed_input_section): Make
2940         method public.
2942 2009-10-16  Doug Kwan  <dougkwan@google.com>
2944         * dynobj.cc (Versions::Versions): Initialize version_script_.
2945         Only insert base version symbol definition for a shared object
2946         if version script defines any version versions.
2947         (Versions::define_base_version): New method definition.
2948         (Versions::add_def): Check that base version is not needed.
2949         (Versions::add_need): Define base version lazily.
2950         * dynobj.h (Versions::define_base_version): New method declaration.
2951         (Versions::needs_base_version_): New data member declaration.
2952         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
2953         (check_DATA): Add no_version_test.stdout.
2954         (libno_version_test.so, no_version_test.o no_version_test.stdout):
2955         New make rules.
2956         * testsuite/Makefile.in: Regenerate.
2957         * testsuite/no_version_test.c: New file.
2958         * testsuite/no_version_test.sh: Ditto.
2960 2009-10-16  Doug Kwan  <dougkwan@google.com>
2962         * expression.cc (class Segment_start_expression): New class definition.
2963         (Segment_start_expression::value): New method definition.
2964         (script_exp_function_segment_start): Return a new
2965         Segment_start_expression.
2966         * gold/script-c.h (script_saw_segment_start_expression): New function
2967         prototype.
2968         * script-sections.cc (Script_sections::Script_sections): Initialize
2969         SAW_SEGMENT_START_EXPRESSION_ to false.
2970         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
2971         and -Tbbs options to specify section addresses if given in
2972         command line and no SEGMENT_START expression is seen in a script.
2973         * script-sections.h (Script_sections::saw_segment_start_expression,
2974         Script_sections::set_saw_segment_start_expression): New method
2975         definition.
2976         (Script_sections::saw_segment_start_expression_): New data member
2977         declaration.
2978         * script.cc (script_saw_segment_start_expression): New function.
2979         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
2980         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
2981         script_test_7.sh and script_test_8.sh.
2982         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
2983         script_test_8.stdout.
2984         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
2985         (script_test_6, script_test_6.stdout, script_test_7,
2986         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
2987         * Makefile.in: Regenerate.
2988         * testsuite/script_test_6.sh: New file.
2989         * testsuite/script_test_6.t: Same.
2990         * testsuite/script_test_7.sh: Same.
2991         * testsuite/script_test_7.t: Same.
2992         * testsuite/script_test_8.sh: Same.
2994 2009-10-16  Doug Kwan  <dougkwan@google.com>
2996         * output.cc (Output_segment::set_section_list_address): Cast
2997         expressions to unsigned long long type to avoid format warnings.
2999 2009-10-15  Ian Lance Taylor  <iant@google.com>
3001         * script.cc (Script_options::add_symbol_assignment): Always add a
3002         dot assignment to script_sections_.
3003         * script-sections.cc (Script_sections::add_dot_assignment):
3004         Initialize if necessary.
3006         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3007         program headers with no load segment if there is a linker script.
3009         * layout.cc (Layout::set_segment_offsets): Align the file offset
3010         to the segment aligment for -N or -n with no load segment.
3011         * output.cc (Output_segment::add_output_section): Don't crash if
3012         the first section is a TLS section.
3013         (Output_segment::set_section_list_addresses): Print an error
3014         message if the address moves backward in a linker script.
3015         * script-sections.cc
3016         (Output_section_element_input::set_section_addresses): Don't
3017         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3018         (Orphan_output_section::set_section_addresses): Likewise.
3020 2009-10-15  Doug Kwan  <dougkwan@google.com>
3022         * layout.cc (Layout::finish_dynamic_section): Generate tags
3023         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3024         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3025         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3027 2009-10-14  Ian Lance Taylor  <iant@google.com>
3029         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3030         fields.
3031         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3032         data_shdr fields of relinfo.
3033         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3034         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3035         R_386_TLS_LDO_32, adjust based on section flags.
3036         (Target_i386::Relocate::fix_up_ldo): Remove.
3038 2009-10-13  Ian Lance Taylor  <iant@google.com>
3040         Add support for -pie.
3041         * options.h (class General_options): Add -pie and
3042         --pic-executable.
3043         (General_options::output_is_position_independent): Test -pie.
3044         (General_options::output_is_executable): Return true if not shared
3045         and not relocatable.
3046         (General_options::output_is_pie): Remove.
3047         * options.cc (General_options::finalize): Reject incompatible uses
3048         of -pie.
3049         * gold.cc (queue_middle_tasks): A -pie link is not static.
3050         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3051         * symtab.cc (Symbol::final_value_is_known): Return false if
3052         output_is_position_independent.
3053         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3054         output_is_position_independent.
3055         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3056         output_is_position_independent.
3057         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3058         output_is_position_independent.
3059         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3060         two_file_pie_test.
3061         (basic_pie_test.o, basic_pie_test): New targets.
3062         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3063         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3064         (two_file_pie_test): New target.
3065         * testsuite/Makefile.in: Rebuild.
3066         * README: Remove note saying that -pie is not supported.
3068 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3070         * options.h (class General_options): Add -init and -fini.
3071         * layout.cc (Layout::finish_dynamic_section): Emit
3072         given init and fini functions.
3074 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3076         * gc.h (gc_process_relocs): Check if icf is enabled using new
3077         function.
3078         * gold.cc (queue_initial_tasks): Likewise.
3079         (queue_middle_tasks): Likewise.
3080         * object.cc (do_layout): Likewise.
3081         * symtab.cc (is_section_folded): Likewise.
3082         * main.cc (main): Likewise.
3083         * reloc.cc (Read_relocs::run): Likewise.
3084         (Sized_relobj::do_scan_relocs): Likewise.
3085         * icf.cc (is_function_ctor_or_dtor): New function.
3086         (Icf::find_identical_sections): Check if function is ctor or dtor when
3087         safe icf is chosen.
3088         * options.h (General_options::icf): Change option to be an enum.
3089         (Icf_status): New enum.
3090         (icf_enabled): New method.
3091         (icf_safe_folding): New method.
3092         (set_icf_status): New method.
3093         (icf_status_): New variable.
3094         * (options.cc) (General_options::finalize): Set icf_status_.
3095         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3096         icf_test and icf_keep_unique_test to use the --icf enum flag.
3097         * testsuite/icf_safe_test.sh: New file.
3098         * testsuite/icf_safe_test.cc: New file. 
3100 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3102         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3103         includes to gc.h and icf.h.
3104         * arm.cc: Include gc.h.
3105         * gold.cc: Likewise.
3106         * i386.cc: Likewise.
3107         * powerpc.cc: Likewise.
3108         * sparc.cc: Likewise.
3109         * x86_64.cc: Likewise.
3110         * gc.h: Include icf.h.
3112 2009-10-11  Ian Lance Taylor  <iant@google.com>
3114         * plugin.cc: Include "gold.h" before other header files.
3116 2009-10-10  Chris Demetriou  <cgd@google.com>
3118         * options.h (Input_file_argument::Input_file_type): New enum.
3119         (Input_file_argument::is_lib_): Replace with...
3120         (Input_file_argument::type_): New member.
3121         (Input_file_argument::Input_file_argument): Take Input_file_type
3122         'type' rather than boolean 'is_lib' as second argument.
3123         (Input_file_argument::is_lib): Use type_.
3124         (Input_file_argument::is_searched_file): New function.
3125         (Input_file_argument::may_need_search): Handle is_searched_file.
3126         * options.cc (General_options::parse_library): Support -l:filename.
3127         (General_options::parse_just_symbols): Update for Input_file_argument
3128         changes.
3129         (Command_line::process): Likewise.
3130         * archive.cc (Archive::get_file_and_offset): Likewise.
3131         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3132         * script.cc (read_script_file, script_add_file): Likewise.
3133         * fileread.cc (Input_file::Input_file): Likewise.
3134         (Input_file::will_search_for): Handle is_searched_file.
3135         (Input_file::open): Likewise.
3136         * readsyms.cc (Read_symbols::get_name): Likewise.
3137         * testsuite/Makefile.am (searched_file_test): New test.
3138         * testsuite/Makefile.in: Regenerate.
3139         * testsuite/searched_file_test.cc: New file.
3140         * testsuite/searched_file_test_lib.cc: New file.
3142 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3143             Ian Lance Taylor  <iant@google.com>
3145         * descriptor.cc: Include <cstdio> and "binary-io.h".
3146         (Descriptors::open): Open the files in binary mode always.
3147         * script.cc (Lex::get_token): Treat \r as whitespace.
3149 2009-10-09  Ian Lance Taylor  <iant@google.com>
3151         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3153 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3154             Ian Lance Taylor  <iant@google.com>
3156         * configure.ac: Check for readv function also.
3157         * fileread.cc (readv): Define if not HAVE_READV.
3158         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3159         does not exist.
3160         * config.in: Regenerate.
3161         * configure: Regenerate.
3163 2009-10-09  Doug Kwan  <dougkwan@google.com>
3165         * layout.cc (Layout::make_output_section): Call target hook to make
3166         ordinary output section.
3167         (Layout::finalize): Adjust parameter list of call the
3168         Target::may_relax().
3169         * layout.h (class Layout::section_list): New method.
3170         * merge.h (Output_merge_base::entsize): Change visibility to public.
3171         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3172         New methods.
3173         (Output_merge_string::do_is_string): New method.
3174         * object.cc (Sized_relobj::do_setup): renamed from
3175         Sized_relobj::set_up.
3176         * object.h (Sized_relobj::adjust_shndx,
3177         Sized_relobj::initializ_input_to_output_maps,
3178         Sized_relobj::free_input_to_output_maps): Change visibilities to
3179         protected.
3180         (Sized_relobj::setup): Virtualize.
3181         (Sized_relobj::do_setup): New method declaration.
3182         (Sized_relobj::invalidate_section_offset,
3183         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3184         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3185         * options.cc (parse_int): New function.
3186         * options.h (parse_int): New declaration.
3187         (DEFINE_int): New macro.
3188         (stub_group_size): New option.
3189         * output.cc (Output_section::Output_section): Initialize memebers
3190         merge_section_map_, merge_section_by_properties_map_,
3191         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3192         (Output_section::add_input_section): Handled deferred code-fill
3193         generation and remove an old comment.
3194         (Output_section::add_relaxed_input_section): New method definition.
3195         (Output_section::add_merge_input_section): Use merge section by
3196         properties map to speed to search.  Update merge section maps
3197         as appropriate.
3198         (Output_section::build_relaxation_map): New method definition.
3199         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3200         Same.
3201         (Output_section::relax_input_section): Renamed to
3202         Output_section::convert_input_sections_to_relaxed_sections and change
3203         interface to take a vector of pointers to relaxed sections.
3204         (Output_section::find_merge_section,
3205         Output_section::find_relaxed_input_section): New method definitions.
3206         (Output_section::is_input_address_mapped,
3207         Output_section::output_offset, Output_section::output_address):
3208         Use output section data maps to speed up searching.
3209         (Output_section::find_starting_output_address): Add comments.
3210         (Output_section::do_write,
3211         Output_section::write_to_postprocessing_buffer): Do code-fill
3212         generation as appropriate.
3213         (Output_section::get_input_sections): Invalidate relaxed input section
3214         map.
3215         (Output_section::restore_states): Adjust type of checkpoint .
3216         Invalidate relaxed input section map.
3217         * output.h (Output_merge_base): New class declaration.
3218         (Input_section_specifier): New class defintion.
3219         (class Output_relaxed_input_section) Change base class to
3220         Output_section_data_build.
3221         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3222         base class initializer.
3223         (Output_section::add_relaxed_input_section): New method declaration.
3224         (Output_section::Input_section): Change visibility to protected.
3225         (Output_section::Input_section::relobj,
3226         Output_section::Input_section::shndx): Handle relaxed input sections.
3227         Output_section::input_sections) Change visibility to protected.  Also
3228         define overload to return a non-const pointer.
3229         (Output_section::Merge_section_properties): New class defintion.
3230         (Output_section::Merge_section_by_properties_map,
3231         Output_section::Output_section_data_by_input_section_map,
3232         Output_section::Relaxation_map): New types.
3233         (Output_section::relax_input_section): Rename method to
3234         Output_section::convert_input_sections_to_relaxed_sections and change
3235         interface to take a vector of relaxed section pointers.
3236         (Output_section::find_merge_section,
3237         Output_section::find_relaxed_input_section,
3238         Output_section::build_relaxation_map,
3239         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3240         New method declarations.
3241         (Output_section::merge_section_map_
3242         Output_section::merge_section_by_properties_map_,
3243         Output_section::relaxed_input_section_map_,
3244         Output_section::is_relaxed_input_section_map_valid_,
3245         Output_section::generate_code_fills_at_write_): New data members.
3246         * script-sections.cc
3247         (Output_section_element_input::set_section_addresses): Call
3248         current_data_size and addralign methods of relaxed input sections.
3249         (Orphan_output_section::set_section_addresses): Call current_data_size
3250         and addralign methods of relaxed input sections.
3251         * symtab.cc (Symbol_table::compute_final_value): Extract template
3252         from the body of Symbol_table::sized_finalize_symbol.
3253         (Symbol_table::sized_finalized_symbol): Call
3254         Symbol_table::compute_final_value.
3255         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3256         (Symbol_table::compute_final_value): New templated method declaration.
3257         * target.cc (Target::do_make_output_section): New method defintion.
3258         * target.h (Target::make_output_section): New method declaration.
3259         (Target::relax): Add more parameters for input objects, symbol table
3260         and layout.  Adjust call to do_relax.
3261         (Target::do_make_output_section): New method declaration.
3262         (Target::do_relax): Add parameters for input objects, symbol table
3263         and layout.
3265 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3267         * pread.c: Include stdio.h.
3269 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3271         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3272         defined.
3274 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3276         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3277         Change read_shndx type to unsigned int.
3278         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3279         int.
3280         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3281         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3282         Change read_shndx type to unsigned int.
3283         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3284         int.
3285         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3286         * layout.cc (Layout::create_symtab_sections): Cast the result of
3287         local_symcount * symsize to off_t in the gold_assert.
3289 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3291         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3292         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3293         R_ARM_BASE_ABS.
3294         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3295         (Arm_relocate_functions::thm_abs5): New function.
3296         (Arm_relocate_functions::abs12): New function.
3297         (Arm_relocate_functions::abs16): New function.
3298         (Arm_relocate_functions::base_abs): New function.
3299         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3300         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3301         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3302         R_ARM_BASE_ABS.
3303         (Scan::global): Likewise.
3304         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3305         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3306         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3307         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3308         R_ARM_BASE_ABS.
3310 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3312         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3313         (Arm_relocate_functions::movt_prel): New function.
3314         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3315         (Arm_relocate_functions::thm_movt_prel): New function.
3316         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3317         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3318         (Scan::global, Relocate::relocate): Likewise.
3319         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3321 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3323         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3324         Incremental_checker.
3325         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3326         unsigned int.
3327         (class Incremental_inputs_header): New class.
3328         (Incremental_inputs_header_writer): Edit comment.
3329         (Incremental_inputs_entry): New class.
3330         (Incremental_inputs_entry_writer): Edit comment.
3331         (Sized_incremental_binary::do_find_incremental_inputs_section):
3332         Add *strtab_shndx parameter, fill it.
3333         (Sized_incremental_binary::do_check_inputs): New method.
3334         (Incremental_checker::can_incrementally_link_output_file): Use
3335         Sized_incremental_binary::check_inputs.
3336         (Incremental_inputs::report_command_line): Save command line in
3337         command_line_.
3338         * incremental.h:
3339         (Incremental_binary::find_incremental_inputs_section): New
3340         method.
3341         (Incremental_binary::do_find_incremental_inputs_section): Add
3342         strtab_shndx parameter.
3343         (Incremental_binary::do_check_inputs): New pure virtual method.
3344         (Sized_incremental_binary::do_check_inputs): Declare.
3345         (Incremental_checker::Incremental_checker): Add incremental_inputs
3346         parameter, use it to initialize incremental_inputs_.
3347         (Incremental_checker::incremental_inputs_): New field.
3348         (Incremental_checker::command_line): New method.
3349         (Incremental_checker::inputs): New method.
3350         (Incremental_checker::command_line_): New field.
3352 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3354         * incremental.cc: Include <cstdarg> and "target-select.h".
3355         (vexplain_no_incremental): New function.
3356         (explain_no_incremental): New function.
3357         (Incremental_binary::error): New method.
3358         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3359         method.
3360         (make_sized_incremental_binary): New function.
3361         (open_incremental_binary): New function.
3362         (can_incrementally_link_file): Add checks if output is ELF and has
3363         inputs section.
3364         * incremental.h: Include "elfcpp_file.h" and "output.h".
3365         (Incremental_binary): New class.
3366         (Sized_incremental_binary): New class.
3367         (open_incremental_binary): Declare.
3368         * object.cc (is_elf_object): Use
3369         elfcpp::Elf_recognizer::is_elf_file.
3370         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3371         * output.h (Output_file::filesize): New method.
3373 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3375         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3376         New function.
3377         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3378         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3379         function.
3380         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3381         function.
3382         (Arm_relocate_functions::movw_abs_nc): New function.
3383         (Arm_relocate_functions::movt_abs): New function.
3384         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3385         (Arm_relocate_functions::thm_movt_abs): New function.
3386         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3387         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3388         (Scan::global): Likewise.
3389         (Relocate::relocate): Likewise.
3390         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3392 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3394         * arm.cc (Arm_relocate_functions::got_prel) New function.
3395         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3396         (Relocate::relocate): Likewise.
3397         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3399 2009-10-06  Ian Lance Taylor  <iant@google.com>
3401         * options.h (class General_options): Define
3402         split_stack_adjust_size parameter.
3403         * object.h (class Object): Add uses_split_stack_ and
3404         has_no_split_stack_ fields.  Add uses_split_stack and
3405         has_no_split_stack accessor functions.  Declare
3406         handle_split_stack_section.
3407         (class Reloc_symbol_changes): Define.
3408         (class Sized_relobj): Define Function_offsets.  Declare
3409         split_stack_adjust, split_stack_adjust_reltype, and
3410         find_functions.
3411         * object.cc (Object::handle_split_stack_section): New function.
3412         (Sized_relobj::do_layout): Call handle_split_stack_section.
3413         * dynobj.cc (Sized_dynobj::do_layout): Call
3414         handle_split_stack_section.
3415         * reloc.cc (Sized_relobj::relocate_sections): Call
3416         split_stack_adjust for executable sections in split_stack
3417         objects.  Pass reloc_map to relocate_section.
3418         (Sized_relobj::split_stack_adjust): New function.
3419         (Sized_relobj::split_stack_adjust_reltype): New function.
3420         (Sized_relobj::find_functions): New function.
3421         * target-reloc.h: Include "object.h".
3422         (relocate_section): Add reloc_symbol_changes parameter.  Change
3423         all callers.
3424         * target.h (class Target): Add calls_non_split method.  Declare
3425         do_calls_non_split virtual method.  Declare match_view and
3426         set_view_to_nop.
3427         * target.cc: Include "elfcpp.h".
3428         (Target::do_calls_non_split): New function.
3429         (Target::match_view): New function.
3430         (Target::set_view_to_nop): New function.
3431         * gold.cc (queue_middle_tasks): Give an error if mixing
3432         split-stack and non-split-stack objects with -r.
3433         * i386.cc (Target_i386::relocate_section): Add
3434         reloc_symbol_changes parameter.
3435         (Target_i386::do_calls_non_split): New function.
3436         * x86_64.cc (Target_x86_64::relocate_section): Add
3437         reloc_symbol_changes parameter.
3438         (Target_x86_64::do_calls_non_split): New function.
3439         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3440         parameter.
3441         * powerpc.cc (Target_powerpc::relocate_section): Add
3442         reloc_symbol_changes parameter.
3443         * sparc.cc (Target_sparc::relocate_section): Add
3444         reloc_symbol_changes parameter.
3445         * configure.ac: Call AM_CONDITIONAL for the default target.
3446         * configure: Rebuild.
3447         * testsuite/Makefile.am (TEST_AS): New variable.
3448         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3449         (check_DATA): Add split_i386 and split_x86_64 files.
3450         (SPLIT_DEFSYMS): Define.
3451         (split_i386_[1234n].o): New targets.
3452         (split_i386_[124]): New targets.
3453         (split_i386_[1234r].stdout): New targets.
3454         (split_x86_64_[1234n].o): New targets.
3455         (split_x86_64_[124]): New targets.
3456         (split_x86_64_[1234r].stdout): New targets.
3457         (MOSTLYCLEANFILES): Add new executables.
3458         * testsuite/split_i386.sh: New file.
3459         * testsuite/split_x86_64.sh: New file.
3460         * testsuite/split_i386_1.s: New file.
3461         * testsuite/split_i386_2.s: New file.
3462         * testsuite/split_i386_3.s: New file.
3463         * testsuite/split_i386_4.s: New file.
3464         * testsuite/split_i386_n.s: New file.
3465         * testsuite/split_x86_64_1.s: New file.
3466         * testsuite/split_x86_64_2.s: New file.
3467         * testsuite/split_x86_64_3.s: New file.
3468         * testsuite/split_x86_64_4.s: New file.
3469         * testsuite/split_x86_64_n.s: New file.
3470         * testsuite/testfile.cc (Target_test): Update relocation_section
3471         function.
3472         * testsuite/Makefile.in: Rebuild.
3474 2009-10-06  Ian Lance Taylor  <iant@google.com>
3476         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3477         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3478         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3479         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3480         the address on ldo_addrs_.
3481         (Target_i386::Relocate::fix_up_ldo): New function.
3483 2009-10-06   Rafael Espindola  <espindola@google.com>
3485         * plugin.cc (add_input_library): New.
3486         (Plugin::load): Add add_input_library to tv.
3487         (Plugin_manager::add_input_file): Add the is_lib argument.
3488         (add_input_file): Update call to Plugin_manager::add_input_file.
3489         (add_input_library): New.
3490         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3492 2009-09-30  Doug Kwan  <dougkwan@google.com>
3494         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3495         symbol and call Symbol::may_need_copy_reloc to determine if
3496         a copy reloc is needed.
3497         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3498         nocopyreloc is given in command line.
3499         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3500         given in command line.
3501         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3502         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3503         of the removed Target_i386::may_need_copy_reloc.
3504         * options.h (copyreloc): New option with default value false.
3505         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3506         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3507         instead of the removed Target_powerpc::may_need_copy_reloc.
3508         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3509         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3510         instead of the removed Target_sparc::may_need_copy_reloc.
3511         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3512         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3513         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3514         instead of the removed Target_x86_64::may_need_copy_reloc.
3516 2009-09-30  Ian Lance Taylor  <iant@google.com>
3518         * object.h (class Object): Remove target_ field, and target,
3519         sized_target, and set_target methods.
3520         (Object::sized_target): Remove.
3521         (class Sized_relobj): Update declarations.  Remove sized_target.
3522         * object.cc (Sized_relobj::setup): Remove target parameter.
3523         Change all callers.
3524         (Input_objects::add_object): Don't do anything with the target.
3525         (make_elf_sized_object): Add punconfigured parameter.  Change all
3526         callers.  Set or test parameter target.
3527         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3528         Change all callers.
3529         * parameters.cc (Parameters::set_target): Change parameter type to
3530         be non-const.
3531         (Parameters::default_target): Remove.
3532         (set_parameters_target): Change parameter type to be non-const.
3533         (parameters_force_valid_target): New function.
3534         (parameters_clear_target): New function.
3535         * parameters.h (class Parameters): Update declarations.  Remove
3536         default_target method.  Add sized_target and clear_target
3537         methods.  Change target_ to be non-const.
3538         (set_parameters_target): Update declaration.
3539         (parameters_force_valid_target): Declare.
3540         (parameters_clear_target): Declare.
3541         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3542         as NULL if we aren't searching.
3543         (Add_symbols::run): Don't check for compatible target.
3544         * fileread.cc (Input_file::open_binary): Call
3545         parameters_force_valid_target.
3546         * gold.cc (queue_middle_tasks): Likewise.
3547         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3548         set_target on object.
3549         * dynobj.h (class Sized_dynobj): Update declarations.
3550         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3551         make_elf_object returns NULL.
3552         (Archive::include_member): Don't check whether object target is
3553         compatible.
3554         * output.cc (Output_section::add_input_section): Get target from
3555         parameters.
3556         (Output_section::relax_input_section): Likewise.
3557         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3558         parameters.
3559         (Sized_relobj::do_scan_relocs): Likewise.
3560         (Sized_relobj::relocate_sections): Likewise.
3561         * resolve.cc (Symbol_table::resolve): Likewise.
3562         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3563         parameter.  Change all callers.
3564         (Symbol_table::add_from_object): Get target from parameters.
3565         (Symbol_table::add_from_relobj): Don't check object target.
3566         (Symbol_table::add_from_dynobj): Likewise.
3567         (Symbol_table::define_special_symbol): Get target from
3568         parameters.
3569         * symtab.h (class Symbol_table): Update declaration.
3570         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3571         parameter.  Change all callers.  Clear parameter target.
3572         (Binary_test): Test target here.
3573         * testsuite/object_unittest.cc (gold_testsuite): Remove
3574         target_test_pointer parameter.  Change all callers.
3575         (Object_test): Test target here.
3577 2009-09-26  Ian Lance Taylor  <iant@google.com>
3579         * testsuite/initpri1.c: Don't try to use constructor priorities if
3580         compiling with gcc before 4.3.
3582 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3584         * testsuite/retain_symbols_file_test.sh (check_present): Change
3585         output file name to retain_symbols_file_test.stdout.
3586         (check_absent): Likewise.
3588 2009-09-18  Craig Silverstein  <csilvers@google.com>
3590         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3591         * options.cc: Include <cerrno> and <fstream>.
3592         (General_options::finalize): Parse -retain-symbols-file tag.
3593         * options.h: New flag.
3594         (General_options): New method should_retain_symbol, new
3595         variable symbols_to_retain.
3596         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3597         should_retain_symbol map.
3598         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3599         * testsuite/Makefile.in: Regenerate.
3600         * testsuite/retain_symbols_file_test.sh: New file.
3602 2009-09-18  Nick Clifton  <nickc@redhat.com>
3604         * po/es.po: Updated Spanish translation.
3606 2009-09-17  Doug Kwan  <dougkwan@google.com>
3608         * debug.h (DEBUG_RELAXATION): New constant.
3609         (DEBUG_ALL): Add DEBUG_RELAXATION.
3610         (debug_string_to_enum): Add relaxation debug option.
3611         * layout.cc
3612         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3613         Layout::Relaxation_debug_check::read_sections,
3614         Layout::Relaxation_debug_check::read_sections): New method definitions.
3615         (Layout::Layout): Initialize data members
3616         record_output_section_data_from_scrips_,
3617         script_output_section_data_list_ and relaxation_debug_check_.
3618         (Layout::save_segments, Layout::restore_segments,
3619         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3620         Layout::relaxation_loop_body): New method definitions.
3621         (Layout::finalize): Support relaxation.  Move section layout code to
3622         Layout::relaxation_loop_body.
3623         (Layout::set_asection_address_from_script): Move code for orphan
3624         section placement out.
3625         (Layout::place_orphan_sections_in_script): New method definition.
3626         * layout.h (Output_segment_headers, Output_file_header):
3627         New forward class declarations.
3628         (Layout::~Layout): Define.
3629         (Layout::new_output_section_data_from_script): New method definition.
3630         (Layout::place_orphan_sections_in_script): New method declaration.
3631         (Layout::Segment_states): New type declaration.
3632         (Layout::save_segments, Layout::restore_segments,
3633         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3634         Layout::relaxation_loop_body): New method declarations.
3635         (Layout::Output_section_data_list): New type declaration.
3636         (Layout::Relaxation_debug_check): New class definition.
3637         (Layout::record_output_section_data_from_script_,
3638         Layout::script_output_section_data_list_, Layout::segment_states_,
3639         Layout::relaxation_debug_check_): New data members.
3640         * output.cc: (Output_section_headers::do_size): New method definition.
3641         (Output_section_headers::Output_section_headers): Move size
3642         computation to Output_section_headers::do_size.
3643         (Output_segment_headers::do_size): New method definition.
3644         (Output_file_header::Output_file_header): Move size computation to 
3645         Output_file_header::do_size and call it.
3646         (Output_file_header::do_size): New method definition.
3647         (Output_data_group::Output_data_group): Adjust call to
3648         Output_section_data.
3649         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3650         (Output_symtab_xindex::do_write): Add array bound check.
3651         (Output_section::Input_section::print_to_mapfile): Handle
3652         RELAXED_INPUT_SECTION_CODE.
3653         (Output_section::Output_section): Initialize data member checkpoint_.
3654         (Output_section::~Output_section): Delete checkpoint object pointed
3655         by checkpoint_.
3656         (Output_section::add_input_section): Always add an Input_section if
3657         relaxing.
3658         (Output_section::add_merge_input_section): Add assert.
3659         (Output_section::relax_input_section): New method definition.
3660         (Output_section::set_final_data_size): Set load address to zero for
3661         an unallocated section.
3662         (Output_section::do_address_and_file_offset_have_reset_values):
3663         New method definition.
3664         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3665         Handle relaxed input section.
3666         (Output_section::sort_attached_input_sections): Checkpoint input
3667         section list lazily.
3668         (Output_section::get_input_sections): Change type of input_sections to
3669         list of Simple_input_section pointers.  Checkpoint input section list
3670         lazily.  Also handle relaxed input sections.
3671         (Output_section::add_input_section_for_script): Take a reference to
3672         a Simple_input_section object instead of Relobj pointer and section
3673         index as parameter.  Handle relaxed input sections.
3674         (Output_section::save_states, Output_section::restore_states): New
3675         method definitions.
3676         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3677         (Output_data::is_data_size_fixed): New method definition.
3678         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3679         if it is fixed.
3680         (Output_data::address_and_file_offset_have_reset_values): New method
3681         definition.
3682         (Output_data::do_address_and_file_offset_have_reset_values): New method
3683         definition.
3684         (Output_data::set_data_size): Check that data size is not fixed.
3685         (Output_data::fix_data_size): New method definition.
3686         (Output_data::is_data_size_fixed_): New data member.
3687         (Output_section_headers::set_final_data_size): New method definition.
3688         (Output_section_headers::do_size): New method declaration.
3689         (Output_segment_headers::set_final_data_size): New method definition.
3690         (Output_segment_headers::do_size): New method declaration.
3691         (Output_file_header::set_final_data_size)::New method definition.
3692         (Output_file_header::do_size)::New method declaration.
3693         (Output_section_data::Output_section_data): Add new parameter
3694         is_data_size_fixed and use it to fix data size.
3695         (Output_data_const::Output_data_const): Adjust call to base class
3696         constructor and fix data size.
3697         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3698         base class constructor and fix data size.
3699         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3700         base class constructor and fix data size.
3701         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3702         class constructor and fix data size.
3703         (Output_data_group::set_final_data_size): New method definition.
3704         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3705         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3706         class constructor and fix data size.
3707         (Output_relaxed_input_section): New class definition.
3708         (Output_section::Simple_input_section): New class definition.
3709         (Output_section::get_input_sections): Adjust parameter list.
3710         (Output_section::add_input_section_for_script): Same.
3711         (Output_section::save_states, Output_section::restore_states,
3712         Output_section::do_address_and_file_offset_have_reset_values,
3713         (Output_section::Input_section::Input_section): Handle
3714         RELAXED_INPUT_SECTION_CODE.  Add new overload for
3715         Output_relaxed_input_section.
3716         (Output_section::Input_section::is_input_section,
3717         Output_section::Input_section::set_output_section): Handle relaxed
3718         input section.
3719         (Output_section::Input_section::is_relaxed_input_section,
3720         Output_section::Input_section::output_section_data,
3721         Output_section::Input_section::relaxed_input_section): New method
3722         definitions.
3723         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3724         value.
3725         (Output_section::Input_section::u1_): Update comments.
3726         (Output_section::Input_section::u2_): Add new union member poris.
3727         (Output_section::Checkpoint_output_section): New classs definition.
3728         (Output_section::relax_input_section): New method declaration.
3729         (Output_section::checkpoint_): New data member.
3730         (Output_segment): Update comments.
3731         (Output_segment::Output_segment): Un-privatize copy constructor.
3732         (Output_segment::operator=): Un-privatize.
3733         * script-sections.cc (Output_section_element::Input_section_list):
3734         Change element type to Output_section::Simple_input_section.
3735         (Output_section_element_dot_assignment::set_section_addresses):
3736         Register output section data for relaxation clean up.
3737         (Output_data_exression::Output_data_expression): Adjust call to base
3738         constructor to fix data size.
3739         (Output_section_element_data::set_section_addresses): Register
3740         Output_data_expression object for relaxation clean up.
3741         (struct Input_section_info): Replace Relobj pointer and section index
3742         pair with Output_section::Simple_input_section and Convert struct to a
3743         class.
3744         (Input_section_sorter::operator()): Adjust access to
3745         Input_section_info data member to use accessors. 
3746         (Output_section_element_input::set_section_addresses): Use layout
3747         parameter.  Adjust code to use Output_section::Simple_input_section
3748         and Input_secction_info classes.  Register filler for relaxation
3749         clean up.
3750         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3751         and section index pair with Output_section::Simple_input_section
3752         class.  Adjust code accordingly.
3753         (Phdrs_element::release_segment): New method definition.
3754         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3755         segment list.
3756         (Script_sections::release_segments): New method definition.
3757         * gold/script-sections.h (Script_sections::release_segments): New
3758         method declaration.
3759         * gold/target.h (Target::may_relax, Target::relax,
3760         Target::do_may_relax, Target::do_relax): New method definitions.
3762 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3764         * arm.cc (has_signed_unsigned_overflow): New function.
3765         (Arm_relocate_functions::abs8): New function.
3766         (Target_arm::Scan::local): Handle R_ARM_ABS8.
3767         (Target_arm::Scan::global): Likewise.
3768         (Target_arm::relocate::relocate): Likewise.
3769         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3770         Likewise.
3772 2009-09-16  Cary Coutant  <ccoutant@google.com>
3774         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3775         * testsuite/Makefile.in: Regenerate.
3777 2009-09-11  Nick Clifton  <nickc@redhat.com>
3779         * po/gold.pot: Updated by the Translation project.
3781 2009-09-08  Cary Coutant  <ccoutant@google.com>
3783         * output.cc (Output_file::open): Add execute permission to empty file.
3784         * testsuite/Makefile.am (permission_test): New test.
3785         * testsuite/Makefile.in: Regenerate.
3787 2009-09-02  Ian Lance Taylor  <iant@google.com>
3789         * output.cc (Output_file::resize): Call map_no_anonymous rather
3790         than map.
3792 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
3794         * gold.cc: Include "incremental.h".
3795         (queue_initial_tasks): Call Incremental_checker methods.
3796         * incremental.cc: Include "output.h".
3797         (Incremental_checker::can_incrementally_link_output_file): New
3798         method.
3799         * incremental.h (Incremental_checker): New class.
3801         * output.cc (Output_file::open_for_modification): New method.
3802         (Output_file::map_anonymous): Changed return type to bool.  Record
3803         map in base_ field.
3804         (Output_file::map_no_anonymous): New method, broken out of map.
3805         (Output_file::map): Use map_no_anonymous and map_anonymous.
3806         * output.h (class Output_file): Update declarations.
3808 2009-08-24  Cary Coutant  <ccoutant@google.com>
3810         * options.h (Command_line::Pre_options): New class.
3811         (Command_line::pre_options): New member.
3812         * options.cc (gold::options::ready_to_register): New variable.
3813         (One_option::register_option): Do nothing if not registering options.
3814         Assert if same short option registered twice.
3815         (General_options::General_options): Turn off option registration when
3816         done constructing.
3817         (Command_line::Pre_options::Pre_options): New constructor.
3819 2009-08-24  Cary Coutant  <ccoutant@google.com>
3821         * options.h (General_options::no_keep_memory): Remove incorrect
3822         short option.
3824 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3826         * Makefile.am (am__skiplex, am__skipyacc): New.
3827         * Makefile.in: Regenerate.
3829 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3831         * Makefile.am (AM_CPPFLAGS): Renamed from ...
3832         (INCLUDES): ... this.
3833         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3834         (AM_CPPFLAGS): Renamed from ...
3835         (INCLUDE): ... this.
3836         * Makefile.in, testsuite/Makefile.in: Regenerate.
3838         * Makefile.in: Regenerate.
3839         * aclocal.m4: Likewise.
3840         * config.in: Likewise.
3841         * configure: Likewise.
3842         * testsuite/Makefile.in: Likewise.
3844         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3845         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3846         * Makefile.in: Regenerate.
3847         * testsuite/Makefile.in: Regenerate.
3849 2009-08-19  Cary Coutant  <ccoutant@google.com>
3851         * resolve.cc (Symbol_table::resolve): Don't complain about defined
3852         symbols in shared libraries overridden by hidden or internal symbols
3853         in the main program.
3855 2009-08-19  Chris Demetriou  <cgd@google.com>
3857         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3858         checking source file names in error messages.
3860 2009-08-18  Doug Kwan  <dougkwan@google.com>
3862         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3863         an elcpp::Ehdr as parameter.  Adjust call to set_target.
3864         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3865         an elfcpp::Ehdr as parameter.
3866         * object.cc (Object::set_target): Remove the version that looks up
3867         a target and sets it.
3868         (Sized_relobj::setup): Take a Target object instead of
3869         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
3870         (make_elf_sized_object): Find target and ask target to
3871         make an ELF object.
3872         * object.h: (Object::set_target): Remove the version that looks up
3873         a target and sets it.
3874         (Sized_relobj::setup): Take a Target object instead of
3875         an elfcpp:Ehdr as parameter.
3876         * target.cc: Include dynobj.h.
3877         (Target::do_make_elf_object_implementation): New.
3878         (Target::do_make_elf_object): New.
3879         * target.h (Target::make_elf_object): New template declaration.
3880         (Target::do_make_elf_object): New method declarations.
3881         (Target::do_make_elf_object_implementation): New template declaration.
3883 2009-08-14  Ian Lance Taylor  <iant@google.com>
3885         * gold.h (FUNCTION_NAME): Define.
3886         (gold_unreachable): Use FUNCTION_NAME.
3888 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3890         * icf.cc (Icf::find_identical_sections): Issue a warning when a
3891         symbol in the --keep-unique list is not found.
3893 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3895         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3896         been maked as --keep-unique.
3897         (Icf::unfold_section): New function.
3898         * icf.h (Icf::unfold_section): New function.
3899         * options.h (General_options::keep_unique): New option.
3900         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3901         * testsuite/Makefile.in: Regenerate.
3902         * testsuite/icf_keep_unique_test.sh: New file.
3903         * testsuite/icf_keep_unique_test.cc: New file.
3905 2009-08-12  Cary Coutant  <ccoutant@google.com>
3907         PR 10471
3908         * resolve.cc (Symbol_table::resolve): Check for references from
3909         dynamic objects to hidden and internal symbols.
3910         * testsuite/Makefile.am (hidden_test.sh): New test.
3911         * testsuite/Makefile.in: Regenerate.
3912         * testsuite/hidden_test.sh: New script.
3913         * testsuite/hidden_test_1.c: New test source.
3914         * testsuite/hidden_test_main.c: New test source.
3916 2009-08-11  Doug Kwan  <dougkwan@google.com>
3918         * arm.cc: Update comments.
3919         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3920         segment to locate the .ARM.exidx section if present.
3922 2009-08-09  Doug Kwan  <dougkwan@google.com>
3924         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3925         patch.
3927 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
3928         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3929         compiler warnings.
3931 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
3933         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3934         valid tls_segment only for non-debug-section relocations.
3935         * testsuite/Makefile.am: Add gc_tls_test.
3936         * testsuite/Makefile.in: Regenerate.
3937         * testsuite/gc_tls_test.cc: New file.
3938         * testsuite/gc_tls_test.sh: New file.
3940 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
3941         
3942         * icf.cc: New file.
3943         * icf.h: New file.
3944         * Makefile.am (CCFILES): Add icf.cc.
3945         (HFILES): Add icf.h
3946         * Makefile.in: Regenerate.
3947         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3948         * gc.h (gc_process_relocs): Populate lists used by icf to contain
3949         section, symbol and addend information for the relocs.
3950         * gold.cc (queue_middle_tasks): Call identical code folding.
3951         * gold.h: Add defines for multimap.
3952         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
3953         to the call of finalize_local_symbols.
3954         * main.cc (main): Create object of class Icf.
3955         * object.cc (Sized_relobj::do_layout): Allow this function to be
3956         called twice during icf.
3957         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
3958         to sections marked as identical by icf.
3959         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
3960         when available.
3961         (Sized_relobj::do_section_entsize): New function.
3962         * object.h (Object::section_entsize): New function.
3963         (Object::do_section_entsize): New pure virtual function.
3964         (Relobj::finalize_local_symbols): Add new parameter.
3965         (Relobj::do_section_entsize): New function.
3966         * options.h (General_options::icf): New option.
3967         (General_options::icf_iterations): New option.
3968         (General_options::print_icf_sections): New option.
3969         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
3970         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
3971         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
3972         icf.
3973         * symtab.cc (Symbol_table::is_section_folded): New function.
3974         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
3975         to sections marked as identical by icf.
3976         * symtab.h (Symbol_table::set_icf): New function.
3977         (Symbol_table::icf): New function.
3978         (Symbol_table::is_section_folded): New function.
3979         (Symbol_table::icf_): New data member.
3980         * target-reloc.h (relocate_section): Ignore sections folded by icf.
3981         * testsuite/Makefile.am: Add commands to build icf_test.
3982         * testsuite/Makefile.in: Regenerate.
3983         * testsuite/icf_test.sh: New file.
3984         * testsuite/icf_test.cc: New file.
3986 2009-07-24  Chris Demetriou  <cgd@google.com>
3988         * layout.cc (is_compressible_debug_section): Fix incorrect
3989         comment about compressed section names.
3991 2009-07-20  Ian Lance Taylor  <ian@airs.com>
3993         PR 10419
3994         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
3996 2009-07-16  Ian Lance Taylor  <iant@google.com>
3998         PR 10400
3999         * layout.h: #include <map>.
4000         (class Kept_section): Change from struct to class.  Add accessors
4001         and setters.  Add section size to Comdat_group mapping.  Change
4002         Comdat_group to std::map.  Add is_comdat_ field.  Add
4003         linkonce_size field in union.
4004         (class Layout): Update declaration of find_or_add_kept_section.
4005         Don't declare find_kept_object.
4006         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4007         parameter.  Add object, shndx, is_comdat, and is_group_name
4008         parameters.  Change all callers.  Adjust for new Kept_section.
4009         (Layout::find_kept_object): Remove.
4010         * object.cc (Sized_relobj::include_section_group): Update use of
4011         Kept_section.  Rename secnum to shndx.  Only record
4012         Kept_comdat_section if sections are the same size.
4013         (Sized_relobj::include_linkonce_section): Update use of
4014         Kept_section.  Only record Kept_comdat_section if sections are the
4015         same size.  Set size of linkonce section.
4016         (Sized_relobj::map_to_kept_section): Update call to
4017         get_kept_comdat_section.
4018         * object.h (class Sized_relobj): Rename fields in
4019         Kept_comdat_section to drop trailing underscores; change object
4020         field to Relobj*.  Change Kept_comdat_section_table to store
4021         struct rather than pointer.
4022         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4023         Add kept_object and kept_shndx parameters.  Change all callers.
4024         (Sized_relobj::get_kept_comdat_section): Change return type to
4025         bool.  Add kept_object and kept_shndx parameters.  Change all
4026         callers.
4027         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4028         Layout::find_or_add_kept_section.
4030 2009-07-09  Ian Lance Taylor  <iant@google.com>
4032         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4033         Reserve space in the hash table.
4035 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4037         * fileread.cc (File_read::get_mtime): New method.
4038         * fileread.h (Timespec): New structure.
4039         (File_read::get_mtime): New method.
4040         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4041         Renamed from timestamp_nsec.
4042         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4043         Elf_Xword.
4044         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4045         timestamp_nsec.
4046         (Incremental_inputs::report_archive): Save mtime; style fix. 
4047         (Incremental_inputs::report_obejct): Save mtime; style fix.
4048         (Incremental_inputs::report_script): Save mtime; style fix.
4049         (Incremental_inputs::finalize_inputs): Style fix.
4050         (Incremental_inputs::finalize): Style fix.
4051         (Incremental_inputs::create_input_section_data): Store inputs
4052         mtime.
4053         * incremental.h (Incremental_inputs::report_script): Add mtime
4054         argument.
4055         (Incremental_inputs::Input_info::Input_info): Intialize only one
4056         union member.
4057         (Incremental_inputs::Input_info::archive): Move to nameless
4058         union.
4059         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4060         (Incremental_inputs::Input_info::script): Move to nameless union.
4061         (Incremental_inputs::mtime): New field.
4062         * script.cc (read_input_script): Pass file mtime to
4063         Incremental_input.
4064         * script.h (Script_info::inputs): Style fix.
4066 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4068         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4069         instead of 32.
4071 2009-06-24  Ian Lance Taylor  <iant@google.com>
4073         PR 10156
4074         * layout.cc (Layout::choose_output_section): If we find an
4075         existing section, update the flags.
4076         (Layout::create_notes): New function, broken out of
4077         Layout::finalize.
4078         (Layout::finalize): Don't create note sections.
4079         (Layout::create_note): Don't crash if linker script discards
4080         section.
4081         (Layout::create_gold_note): Likewise.
4082         (Layout::create_build_id): Likewise.  Don't set
4083         after_input_sections on the section.
4084         (Layout::create_executable_stack_info): Remove target parameter.
4085         Change caller.
4086         * layout.h (class Layout): Declare create_notes.  Update
4087         declaration of create_executable_stack_info.
4088         * gold.cc (queue_middle_tasks): Call create_notes.
4089         * output.cc (Output_section::update_flags_for_input_section): Move
4090         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4091         invalid.
4092         * output.h (Output_data::mark_address_invalid): New function.
4093         (class Output_section): Only declare, not define,
4094         update_flags_for_input_section.  Remove set_flags.
4096 2009-06-24  Ian Lance Taylor  <iant@google.com>
4098         * script-sections.cc (Output_section_definition::
4099         set_section_addresses): Rename shadowing local load_address to
4100         laddr.
4102 2009-06-24  Ian Lance Taylor  <iant@google.com>
4104         PR 10244
4105         * reloc.cc (relocate_sections): Skip empty relocation sections.
4107 2009-06-23  Ian Lance Taylor  <iant@google.com>
4109         PR 10156
4110         * layout.cc (Layout::create_note): Use choose_output_section
4111         rather than make_output_section.
4113 2009-06-23  Ian Lance Taylor  <iant@google.com>
4115         PR 10237
4116         * options.cc (General_options::parse_V): Set printed_version_.
4117         (General_options::General_options): Initialize printed_version_.
4118         * options.h (class General_options): Add printed_version_ field.
4119         * gold.cc (queue_initial_tasks): If there are no input files,
4120         don't give a fatal error if we printed the version information.
4121         (queue_middle_tasks): If using -r with a shared object, give a
4122         fatal error rather than an ordinary error.
4124 2009-06-23  Ian Lance Taylor  <iant@google.com>
4126         PR 10219
4127         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4128         (Layout::make_output_section): Set have_stabstr_section_ if we see
4129         a .stab*str section.
4130         (Layout::finalize): Call link_stabs_sections.
4131         (Layout::link_stabs_sections): New file.
4132         * layout.h (class Layout): Add have_stabstr_section_ field.
4133         Declare link_stabs_sections.
4135 2009-06-23  Doug Kwan  <dougkwan@google.com>
4137         * Makefile.am (libgold_a_LIBADD): New.
4138         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4139         * Makefile.in: Regenerate.
4140         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4141         * configure: Regenerate.
4142         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4143         * fileread.cc: Include sys/state.h
4144         * gold.h: Declare memmem and strndup if found missing.
4145         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4147 2009-06-23  Ian Lance Taylor  <iant@google.com>
4149         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4150         * configure: Rebuild.
4152 2009-06-23  Ian Lance Taylor  <iant@google.com>
4154         PR 10147
4155         * object.cc (Object::section_contents): Don't try to get a view if
4156         the section has length zero.
4157         (Object::handle_gnu_warning_section): If the section is empty, use
4158         the name of the section as the warning.
4160 2009-06-23  Ian Lance Taylor  <iant@google.com>
4162         PR 10133
4163         * stringpool.h (class Stringpool_template): Add optimize_ field.
4164         (Stringpool_template::set_optimize): New function.
4165         * stringpool.cc (Stringpool_template::Stringpool_template):
4166         Initialize optimize_ field.
4167         (Stringpool_template::set_string_offsets): Test local optimize
4168         fild rather than parameter.
4169         * layout.cc (Layout::Layout): Call set_optimize on the section
4170         name stringpool.
4172 2009-06-22  Ian Lance Taylor  <iant@google.com>
4174         PR 10030
4175         * yyscript.y: Parse TARGET.
4176         * script.cc (script_set_target): New function.
4177         * script-c.h (script_set_target): Declare.
4178         * options.cc (General_options::string_to_object_format): Rename
4179         from string_to_object_format in anonymous namespace.  Change
4180         callers.
4181         * options.h (class General_options): Declare
4182         string_to_object_format.
4184 2009-06-22  Ian Lance Taylor  <iant@google.com>
4186         * script-sections.cc (Script_sections::create_segments): Don't put
4187         program headers in a PT_LOAD segment if -n or -N.
4189 2009-06-22  Ian Lance Taylor  <iant@google.com>
4191         PR 10141
4192         * options.h (class General_options): Add -z lazy and -z now.  Sort
4193         -z options into alphabetical order.
4194         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4196 2009-06-21  Ian Lance Taylor  <iant@google.com>
4198         * layout.cc (Layout::make_output_section): Call
4199         Target::new_output_section.
4200         (Layout::attach_allocated_section_to_segment): Put large section
4201         sections in a separate load segment with the large segment flag
4202         set.
4203         (Layout::segment_precedes): Sort large data segments after other
4204         load segments.
4205         (align_file_offset): New static function.
4206         (Layout::set_segment_offsets): Use align_file_offset.
4207         * output.h (class Output_section): Add is_small_section_ and
4208         is_large_section_ fields.
4209         (Output_section::is_small_section): New function.
4210         (Output_section::set_is_small_section):  New function.
4211         (Output_section::is_large_section): New function.
4212         (Output_section::set_is_large_section): New function.
4213         (Output_section::is_large_data_section): New function.
4214         (class Output_segment): Add is_large_data_segment_ field.
4215         (Output_segment::is_large_data_segment): New function.
4216         (Output_segment::set_is_large_data_segment): New function.
4217         * output.cc (Output_section::Output_section): Initialize new
4218         fields.
4219         (Output_segment::Output_segment): Likewise.
4220         (Output_segment::add_output_section): Add assertion that large
4221         data sections always go in large data segments.  Force small data
4222         sections to the end of the list of data sections.  Force small BSS
4223         sections to the start of the list of BSS sections.  For large BSS
4224         sections to the end of the list of BSS sections.
4225         * symtab.h (class Symbol): Declare is_common_shndx.
4226         (Symbol::is_defined): Check Symbol::is_common_shndx.
4227         (Symbol::is_common): Likewise.
4228         (class Symbol_table): Define enum Commons_section_type.  Update
4229         declarations.  Add small_commons_ and large_commons_ fields.
4230         * symtab.cc (Symbol::is_common_shndx): New function.
4231         (Symbol_table::Symbol_table): Initialize new fields.
4232         (Symbol_table::add_from_object): Put small and large common
4233         symbols in the right list.
4234         (Symbol_table::sized_finalized_symbol): Check
4235         Symbol::is_common_shndx.
4236         (Symbol_table::sized_write_globals): Likewise.
4237         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4238         common symbol lists.  Don't call do_allocate_commons_list if the
4239         list is empty.
4240         (Symbol_table::do_allocate_commons_list): Remove is_tls
4241         parameter.  Add comons_section_type parameter.  Change all
4242         callers.  Handle small and large common symbols.
4243         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4244         Symbol::is_common_shndx.
4245         * resolve.cc (symbol_to_bits): Likewise.
4246         * target.h (Target::small_common_shndx): New function.
4247         (Target::small_common_section_flags): New function.
4248         (Target::large_common_shndx): New function.
4249         (Target::large_common_section_flags): New function.
4250         (Target::new_output_section): New function.
4251         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4252         small_common_section_flags, and large_common_section_flags
4253         fields.
4254         (Target::do_new_output_section): New virtual function.
4255         * arm.cc (Target_arm::arm_info): Initialize new fields.
4256         * i386.cc (Target_i386::i386_info): Likewise.
4257         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4258         Likewise.
4259         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4260         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4261         (Target_x86_64::do_new_output_section): New function.
4262         * configure.ac: Define conditional MCMODEL_MEDIUM.
4263         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4264         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4265         (large_LDFLAGS): Define.
4266         * testsuite/large.c: New file.
4267         * testsuite/testfile.cc (Target_test::test_target_info):
4268         Initialize new fields.
4269         * configure, testsuite/Makefile.in: Rebuild.
4271 2009-06-05  Doug Kwan  <dougkwan@google.com>
4273         * Makefile.am (CCFILES): Add target.cc.
4274         * Makefile.in: Regenerate. 
4275         * i386.cc (class Target_i386): Define new virtual method to
4276         override do_is_local_label_name in parent.
4277         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4278         local symbols if --discard-locals or -X is given.
4279         * options.h (class General_options): Declare new options
4280         '--discard-locals' and '-X' for discarding locals.
4281         * target.h (class Target): Define new methods is_local_label_name.
4282         Declare new virtual method do_is_local_label_name.
4283         * target.cc: New file.
4284         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4285         (check_SCRIPTS): Add discard_locals_test.sh.
4286         (check_DATA): Add discard_local_tests.syms.
4287         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4288         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4289         * testsuite/Makefile.in: Regenerate.
4290         * testsuite/discard_locals_test.c: New file.
4291         * testsuite/discard_locals_test.sh: Same.
4293 2009-06-05  Doug Kwan  <dougkwan@google.com>
4295         * object.cc (Sized_relobj::Sized_relobj): Initialize
4296         discarded_eh_frame_shndx_ to -1U.
4297         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4298         section.
4299         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4300         a discarded .eh_frame section.
4301         (Sized_relobj::do_finalize_local_symbols): Ditto.
4302         * object.h (class Sized_relobj): Declare new member
4303         discarded_eh_frame_shndx_.
4304         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4305         (local_labels_test.o, local_labels_test): New rules.
4306         * testsuite/Makefile.in: Regenerate.
4308 2009-06-04  Doug Kwan  <dougkwan@google.com>
4310         * layout.cc (Layout::section_name_mapping): Add mapping for
4311         special ARM sections.
4313 2009-06-03  Doug Kwan  <dougkwan@google.com>
4315         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4316         (utils::has_overflow): Same.
4318 2009-06-03  Ian Lance Taylor  <iant@google.com>
4320         * layout.cc (Layout::section_name_mapping): New array, replacing
4321         Layout::linkonce_mapping.
4322         (Layout::section_name_mapping_count): New variable, replacing
4323         Layout::linkonce_mapping_count.
4324         (Layout::linkonce_output_name): Remove.
4325         (Layout::output_section_name): Rewrite.
4326         * layout.h (class Layout): Rename Linkonce_mapping to
4327         Section_name_mapping, linkonce_mapping to section_name_mapping,
4328         linkonce_mapping_count to section_name_mapping_count.  Don't
4329         declare linkonce_output_name.
4331 2009-06-03  Doug Kwan  <dougkwan@google.com>
4333         * gold/arm.cc (namespace utils): New.
4334         (Target_arm::reloc_is_non_pic): Define new method.
4335         (class Arm_relocate_functions): New.
4336         (Target_arm::Relocate::relocate): Handle relocation types used by
4337         Android.
4339 2009-06-03  Ian Lance Taylor  <iant@google.com>
4341         * arm.cc (Target_arm::scan::global): Use || instead of |.
4343 2009-06-02  Doug Kwan  <dougkwan@google.com>
4345         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4346         issued_non_pic_error_.
4347         (class Target_arm::Scan): Declare new method check_non_pic.
4348         Define new method symbol_needs_plt_entry.
4349         Declare new data member issued_non_pic_error_.
4350         (class Target_arm::Relocate): Declare new method
4351         should_apply_static_reloc.
4352         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4353         (Target_arm::Scan::check_non_pic): Define new method.
4354         (Target_arm::Scan::local): Handle a small subset of reloc types used
4355         by Android.
4356         (Target_arm::Scan::local): Same.
4357         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4359 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4361         * incremental.cc (Incremental_inputs::report_command_line): Filter
4362         out --incremental-* options.
4364 2009-05-29  Doug Kwan  <dougkwan@google.com>
4366         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4367         template class.
4368         (class Target_arm): Update comment.
4369         (Target_arm::Target_arm): Initialize new data members GOT_,
4370         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4371         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4372         and Target_arm::rel_dyn_section.
4373         Declare new_enum Target_arm::Got_type.
4374         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4375         and DYNBSS_.
4376         Update commments for member do_dynsym_value.
4377         (Target_arm::got_size, Target_arm::plt_section,
4378         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4379         new methods inside class defintion.
4380         (Target_arm::got_section): Define new method.
4381         (Target_arm::rel_dyn_section): Same.
4382         (Output_data_plt_arm): New template class.
4383         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4384         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4385         (Output_data_plt_arm::add_entry): Same.
4386         (Output_data_plt_arm::first_plt_entry): Define new
4387         static data member for PLT instruction template.
4388         (Output_data_plt_arm::plt_entry): Same.
4389         (Output_data_plt_arm::do_write): Define new method.
4390         (Target_arm::make_plt_entry): Same.
4391         (Target_arm::do_finalize_sections): Same.
4392         (Target_arm::do_dynsym_value): Same.
4394 2009-05-28  Doug Kwan  <dougkwan@google.com>
4396         * Makefile.am (TARGETSOURCES): Add arm.cc.
4397         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4398         * Makefile.in: Regenerate.
4399         * arm.cc: New file.
4400         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4402 2009-05-26  Doug Kwan  <dougkwan@google.com>
4404         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4405         (General_options::check_excluded_libs): Strip off directories in
4406         archive name before matching like GNU ld does.
4407         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4408         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4409         (exclude_libs_test_LDFLAGS): Add linker option
4410         -Wl,--exclude-libs,libexclude_libs_test_3
4411         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4412         an explicit archive without using -l.
4413         (alt/libexclude_libs_test_3.a): New make rule.
4414         * testsuite/Makefile.in: Regenerate.
4415         * testsuite/exclude_libs_test.c : Declare lib3_default().
4416         (main): Call it.
4417         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4418         * exclude_libs_test_3.c: New file.
4420 2009-05-26  Nick Clifton  <nickc@redhat.com>
4422         * po/id.po: New Indonesian translation.
4423         * po/gold.pot: Updated template file.
4425 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4427         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4428         gc_comdat_test files.  Add -Wl,--gc-sections to build
4429         gc_comdat_test.
4430         * testsuite/Makefile.in: Regenerate.
4431         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4433 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4435         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4436         kept comdat section was garbage collected.
4437         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4438         * testsuite/Makefile.in: Regenerate.
4439         * testsuite/gc_comdat_test.sh: New file.
4440         * testsuite/gc_comdat_test_1.cc: New file.
4441         * testsuite/gc_comdat_test_2.cc: New file.
4443 2009-05-19  Doug Kwan  <dougkwan@google.com>
4445         * archive.cc (Archive::Archive): Move constructor from archive.h
4446         to here.  Initialize no_export_.
4447         (Archive::get_elf_object_for_member): Set no_export flag of object.
4448         * archive.h (Archive::Archive): Move constructor body to
4449         archive.cc.
4450         (Archive::no_export): New method.
4451         (Archive::no_export_): New field.
4452         * object.h (Object::Object): Initialize no_export_ to false.
4453         (Object::no_export, Object::set_no_export): New methods.
4454         (Object::no_export_): New field.
4455         * options.cc (General_options::parse_exclude_libs): New method.
4456         (General_options::check_excluded_libs) Same.
4457         * options.h (exclude_libs): New option.
4458         (General_options::check_excluded_libs): New method declaration.
4459         (General_options::excluded_libs_): New field.
4460         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4461         default or protected visibility if an object has no-export flag set.
4462         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4463         (check_SCRIPTS): Add exclude_libs_test.sh.
4464         (check_DATA): Add exclude_libs_test.syms.
4465         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4466         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4467         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4468         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4469         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4470         libexclude_libs_test_2.a): New rules.
4471         * testsuite/Makefile.in: Regenerate.
4472         * testsuite/exclude_libs_test.c: New file.
4473         * testsuite/exclude_libs_test.sh: Ditto.
4474         * testsuite/exclude_libs_test_1.c: Ditto.
4475         * testsuite/exclude_libs_test_2.c: Ditto.
4477 2009-05-15  Ian Lance Taylor  <iant@google.com>
4479         * configure.ac: Check for declarations for cases where libiberty.h
4480         checks HAVE_DECL_xxx.
4481         * configure, config.in: Rebuild.
4483 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4485         * gold.h (Incremental_argument_list): Remove (invalid) forward
4486         declaration.
4487         * incremental.cc (Incremental_inputs::report_achive): New method.
4488         (Incremental_inputs::report_object): New method.
4489         (Incremental_inputs::report_script): New method.
4490         (Incremental_inputs::finalize_inputs): New method.
4491         (Incremental_inputs::finalize): Call finalize_inputs().
4492         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4493         Create inputs entries.
4494         * incremental.h (Incremental_input_type): New enum.
4495         (Incremental_inputs::Incremental_input): Initialize new fields.
4496         (Incremental_inputs::report_inputs): New method.
4497         (Incremental_inputs::report_achive): New method.
4498         (Incremental_inputs::report_object): New method.
4499         (Incremental_inputs::report_script): New method.
4500         (Incremental_inputs::finalize_inputs): New method.
4501         (Incremental_inputs::Input_info): New struct.
4502         (Incremental_inputs::Input_info_map): New typedef.
4503         (Incremental_inputs::lock_): New field.
4504         (Incremental_inputs::Inputs_): New field.
4505         (Incremental_inputs::Inputs_map): New field.
4506         * main.cc (main): Call Incremental_input::report_inputs.
4507         * options.h (Input_argument_list): Typedef moved from
4508         Input_arguments.
4509         (Input_file_group::Files): Remove, use ::Input_argument_list.
4510         (Input_file_group::Input_argument_list): Remove, use
4511         ::Input_argument_list.
4512         * plugin.cc (Plugin_manager::add_input_file): Add error in
4513         incremental build.
4514         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4515         functions.
4516         * script.cc (read_input_script): Call
4517         Incremental_input::report_script.
4518         * script.h (Script_info): New class.
4520 2009-04-27  Ian Lance Taylor  <iant@google.com>
4522         * x86_64.cc (do_adjust_output_section): Set entsize to
4523         plt_entry_size.
4525 2009-04-23  Elliott Hughes  <enh@google.com>
4527         * output.cc (Output_file::close): After short writes, continue
4528         writing from the correct offset in the buffer being written.
4530 2009-04-23  Chris Demetriou  <cgd@google.com>
4532         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4533         * configure: Regenerate.
4534         * config.in: Regenerate.
4535         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4536         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4538 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4540         * incremental.cc (Incremental_inputs_header_data): Renamed from
4541         Incremental_input_header_data.
4542         (Incremental_inputs_header_data::data_size): New field.
4543         (Incremental_inputs_header_data::put_input_file_count): Renamed
4544         from input_file_count.
4545         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4546         from command_line_offset.
4547         (Incremental_inputs_header_data::put_reserved): Renamed from
4548         put_reserved.
4549         (Incremental_inputs_entry_data): Renamed from
4550         Incremental_input_entry_data.
4551         (Incremental_inputs_entry_data::data_size): New field.
4552         (Incremental_inputs::report_command_line): New method.
4553         (Incremental_inputs::finalize): New method.
4554         (Incremental_inputs::create_incremental_inputs_data): New method.
4555         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4556         * incremental.h: New file.
4557         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4558        (Layout::finalize): Create incremental inputs section in
4559         incremental builds.
4560        (Layout::create_incremental_info_sections): New method.
4561         * layout.h (Layout::incremental_inputs): New method.
4562        (Layout::create_incremental_info_sections): New method.
4563        (Layout::incremental_inputs_): New field.
4564         * main.cc (main): Notify Incremental_input of the command line.
4566 2009-04-01  Ian Lance Taylor  <iant@google.com>
4567             Mikolaj Zalewski  <mikolajz@google.com>
4569         * gold.h (reserve_unordered_map): Define, three versions, one for
4570         each version of Unordered_map.
4571         * layout.cc (Layout::Layout): Remove options parameter.  Add
4572         number_of_input_files parameter.  Don't initialize options_.
4573         Initialize number_of_input_files_ and resized_signatures_.  Move
4574         sections_are_attached_.
4575         (Layout::layout_group): Reserve space for group_signatures_.
4576         (Layout::find_or_add_kept_section): Change name parameter to be a
4577         reference.  Resize signatures_ map when it gets large enough.
4578         (Layout::layout_eh_frame): Use parameters->options() instead of
4579         this->options_.
4580         (Layout::make_output_section): Likewise.
4581         (Layout::attach_allocated_section_to_segment): Likewise.
4582         (Layout::finalize, Layout::create_executable_stack): Likewise.
4583         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4584         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4585         * layout.h (class Layout): Update declarations.  Remove options_
4586         field.  Add number_of_input_files_ and resized_signatures_
4587         fields.  Move sections_are_attached_ field.
4588         * main.cc (main): Pass number of input files to Layout
4589         constructor.  Don't pass options.
4591 2009-03-30  Ian Lance Taylor  <iant@google.com>
4593         * ffsll.c (ffsll): Correct implementation.
4595 2009-03-27  Ian Lance Taylor  <iant@google.com>
4597         * ffsll.c: New file.
4598         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4599         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4600         * ftruncate.c (ftruncate): Declare before definition.
4601         * mremap.c (mremap): Likewise.
4602         * pread.c (pread): Likewise.
4603         * configure, Makefile.in, config.in: Rebuild.
4605         * mremap.c: New file.
4606         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4607         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4608         (mremap): Declare if HAVE_MREMAP is not defined.
4609         * configure, Makefile.in, config.in: Rebuild.
4611 2009-03-27  Cary Coutant  <ccoutant@google.com>
4613         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4614         position independent.
4615         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4616         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4618 2009-03-24  Cary Coutant  <ccoutant@google.com>
4620         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4621         an executable.
4622         (needs_dynamic_reloc): Likewise.
4624 2009-03-24  Ian Lance Taylor  <iant@google.com>
4626         * yyscript.y (file_cmd): Recognize EXTERN.
4627         (extern_name_list, extern_name_list_body): New nonterminals.
4628         * script.cc (script_add_extern): Define.
4629         * script-c.h (script_add_extern): Declare.
4631 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4633         * object.cc (is_elf_object): Define.
4634         * object.h (is_elf_object): Declare.
4635         * archive.cc (Archive::get_elf_object_for_member): Call
4636         is_elf_object.
4637         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4639 2009-03-24  Elliott Hughes  <enh@google.com>
4641         * output.cc (Output_file::map_anonymous): Define.
4642         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4643         try an anonymous one.  Report the size if the mmap fails.
4644         * output.h (class Output_file): Declare map_anonymous.
4646 2009-03-24  Ian Lance Taylor  <iant@google.com>
4648         * target-select.cc (instantiate_target): Don't acquire the lock if
4649         the instantiated_target_ field has already been set.
4651 2009-03-23  Ian Lance Taylor  <iant@google.com>
4653         * gold-threads.h (class Initialize_lock): Define.
4654         * gold-threads.cc (class Initialize_lock_once): Define.
4655         (initialize_lock_control): New static variable.
4656         (initialize_lock_pointer): New static variable.
4657         (initialize_lock_once): New static function.
4658         (Initialize_lock::Initialize_lock): Define.
4659         (Initialize_lock::initialize): Define.
4660         * target-select.h: Include "gold-threads.h".
4661         (class Target_selector): Add lock_ and initialize_lock_ fields.
4662         Don't define instantiate_target, just declare it.
4663         * target-select.cc (Target_selector::Target_selector): Initialize
4664         new fields.
4665         (Target_selector::instantiate_target): Define.
4666         * descriptors.h: Include "gold-threads.h".
4667         (class Descriptors): Add initialize_lock_ field.
4668         * descriptors.cc (Descriptors::Descriptors): Initialize new
4669         field.
4670         (Descriptors::open): Use initialize_lock_ field
4671         * errors.h (class Errors): Add initialize_lock_ field.
4672         * errors.cc (Errors::Errors): Initialize new field.
4673         (Errors::initialize_lock): Use initialize_lock_ field.
4674         * powerpc.cc (class Target_selector_powerpc): Remove
4675         instantiated_target_ field.  In do_recognize call
4676         instantiate_target rather than do_instantiate_target.  In
4677         do_instantiate_target just allocate a new target.
4678         * sparc.cc (class Target_selector_sparc): Likewise.
4680         * freebsd.h: New file.
4681         * i386.cc: Include "freebsd.h".
4682         (Target_i386): Derive from Target_freebsd rather than
4683         Sized_target.
4684         (Target_selector_i386): Derive from Target_selector_freebsd rather
4685         than Target_selector.
4686         * x86_64.cc: Include "freebsd.h".
4687         (Target_x86_64): Derive from Target_freebsd rather than
4688         Sized_target.
4689         (Target_selector_x86_64): Derive from Target_selector_freebsd
4690         rather than Target_selector.
4691         * target.h (class Target): Add adjust_elf_header and
4692         do_adjust_elf_header.
4693         * output.cc (Output_file_header:: do_sized_write): Call target
4694         adjust_elf_header routine.
4695         * configure.tgt: Set targ_osabi.
4696         * configure.ac: Define GOLD_DEFAULT_OSABI.
4697         * parameters.cc (Parameters::default_target): Pass
4698         GOLD_DEFAULT_OSABI to select_target.
4699         * target-select.h (class Target_selector): Make instantiate_target
4700         protected rather than private.
4701         * Makefile.am (HFILES): Add freebsd.h.
4702         * configure, Makefile.in, config.in: Rebuild.
4704         * merge.cc (do_add_input_section): Correct pend value.  Change
4705         message about last entry not being null terminated from error to
4706         warning.
4708 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4710         * incremental.cc: New file.
4711         * Makefile.am (CCFILES): Add incremental.cc.
4712         * Makefile.in: Rebuild.
4714 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
4716         * layout.cc (Layout::output_section_name): Preserve names
4717         of '.note.' sections.
4718         
4719 2009-03-19  Ian Lance Taylor  <iant@google.com>
4721         * descriptors.cc (Descriptors::open): Check that the options are
4722         valid before using them.
4724 2009-03-18  Ian Lance Taylor  <iant@google.com>
4726         * script-sections.h: Include <list>.
4727         (class Script_sections): Change Sections_elements from std::vector
4728         to std::list.  Typedef public Elements_iterator.  Add
4729         orphan_section_placement_, data_segment_align_start_, and
4730         saw_data_segment_align_ fields.  Remove data_segment_align_index_
4731         field.
4732         * script-sections.cc (class Orphan_section_placement): New class.
4733         (class Sections_element): Add virtual functions is_relro and
4734         orphan_section_init.  Remove virtual function place_orphan_here.
4735         (class Output_section_definition): Add is_relro and
4736         orphan_section_init.  Remove place_orphan_here.
4737         (class Orphan_output_section): Likewise.
4738         (Script_sections::Script_sections): Update for field changes.
4739         (Script_sections::data_segment_align): Set saw_data_segment_align_
4740         and data_segment_align_start_, not data_segment_align_index.
4741         (Script_sections::data_segment_relro_end): Check
4742         saw_data_segment_align_.  Use data_segment_align_start_ rather
4743         than data_segment_align_index_.
4744         (Script_sections::place_orphan): Rewrite to use
4745         Orphan_section_placement.
4747 2009-03-17  Ian Lance Taylor  <iant@google.com>
4749         * archive.cc (Archive::add_symbols): Check for a version attached
4750         to the symbol name in the archive map.
4751         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4752         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4753         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4754         (ver_test_11.a): New target.
4755         * testsuite/Makefile.in: Rebuild.
4757         * configure.ac: Check for chsize and posix_fallocate.  Replace
4758         ftruncate.
4759         * ftruncate.c: New file, from gnulib.
4760         * output.cc (posix_fallocate): Define dummy version if not
4761         HAVE_POSIX_FALLOCATE.
4762         (Output_file::map): Call posix_fallocate rather than lseek and
4763         write.
4764         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4765         * configure, Makefile.in, config.in: Rebuild.
4767 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
4768         
4769         * layout.h (Layout::create_note): Add section_name parameter.
4770         * layout.cc (Layout::create_note): Likewise.
4771         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4772         
4773 2009-03-17  Ian Lance Taylor  <iant@google.com>
4775         * descriptors.cc: Include "options.h".
4776         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4777         (Descriptors::open): Always use O_CLOEXEC when opening a new
4778         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
4779         then set FD_CLOEXEC.
4781         * sparc.cc (class Target_sparc): Add has_got_section.
4782         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4783         make sure we have a GOT section.
4785         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4786         (Target_sparc::Scan::local): Likewise.
4787         (Target_sparc::Scan::global): Likewise.
4788         (Target_sparc::Relocate::relocate): Likewise.
4789         (Target_sparc::Relocate::relocate_tls): Likewise.
4791         * symtab.cc (Symbol_table::define_default_version): New function,
4792         broken out of add_from_object.
4793         (Symbol_table::add_from_object): Call define_default_version.
4794         (Symbol_table::define_special_symbol): Add resolve_oldsym
4795         parameter.  Change all callers.  If the version for a symbol comes
4796         from a version script, resolve it with the symbol with the same
4797         name with no version.  Also add the symbol without a version if
4798         appropriate.
4799         (do_define_in_output_data): If resolving with oldsym, don't delete
4800         sym.
4801         (do_define_in_output_segment): Likewise.
4802         (do_define_as_constant): Likewise.
4803         * symtab.h (class Symbol_table): Update declarations.
4805 2009-03-13  Ian Lance Taylor  <iant@google.com>
4807         * readsyms.cc (Read_symbols::incompatible_warning): New function.
4808         (Read_symbols::requeue): New function.
4809         (Read_symbols::do_read_symbols): If make_elf_object fails because
4810         the target type is not configured, and the file was searched for,
4811         issue a warning and retry with the next directory.
4812         (Add_symbols::run): If the file has an incompatible format, and
4813         it was searched for, requeue the Read_symbols task.  On error,
4814         release the object.
4815         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
4816         dirindex parameter to constructor.  Change all callers.  Declare
4817         incompatible_warning and requeue.
4818         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4819         input_argument_ and input_group_ fields.  Add them to
4820         constructor.  Change all callers.
4821         (class Read_script): Add dirindex_ field.  Add it to constructor.
4822         Change all callers.
4823         * archive.cc (Archive::setup): Remove input_objects parameter.
4824         Change all callers.
4825         (Archive::get_file_and_offset): Likewise.
4826         (Archive::read_all_symbols): Likewise.
4827         (Archive::read_symbols): Likewise.
4828         (Archive::get_elf_object_for_member): Remove input_objects
4829         parameter.  Add punconfigured parameter.  Change all callers.
4830         (Archive::add_symbols): Change return type to bool.  Check return
4831         value of include_member.
4832         (Archive::include_all_members): Likewise.
4833         (Archive::include_member): Change return type to bool.  Return
4834         false if first included object has incompatible target.  Set
4835         included_member_ field.
4836         (Add_archive_symbols::run): If add_symbols returns false, requeue
4837         Read_symbols task.
4838         * archive.h (class Archive): Add included_member_ field.
4839         Initialize it in constructor.  Add input_file and searched_for
4840         methods.  Update declarations.
4841         (class Add_archive_symbols): Add dirpath_, dirindex_, and
4842         input_argument_ fields.  Add them to constructor.  Change all
4843         callers.
4844         * script.cc: Include "target-select.h".
4845         (class Parser_closure): Add skip_on_incompatible_target_ and
4846         found_incompatible_target_ fields.  Add
4847         skip_on_incompatible_target parameter to constructor.  Change all
4848         callers.  Add methods skip_on_incompatible_target,
4849         clear_skip_on_incompatible_target, found_incompatible_target, and
4850         set_found_incompatible_target.
4851         (read_input_script): Add dirindex parameter.  Change all callers.
4852         If parser finds an incompatible target, requeue Read_symbols
4853         task.
4854         (script_set_symbol): Clear skip_on_incompatible_target in
4855         closure.
4856         (script_add_assertion, script_parse_option): Likewise.
4857         (script_start_sections, script_add_phdr): Likewise.
4858         (script_check_output_format): New function.
4859         * script.h (read_input_script): Update declaration.
4860         * script-c.h (script_check_output_format): Declare.
4861         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4862         (ignore_cmd): Remove OUTPUT_FORMAT.
4863         * fileread.cc (Input_file::Input_file): Add explicit this.
4864         (Input_file::will_search_for): New function.
4865         (Input_file::open): Add pindex parameter.  Change all callers.
4866         * fileread.h (class Input_file): Add input_file_argument method.
4867         Declare will_search_for.  Update declarations.
4868         * object.cc (make_elf_object): Add punconfigured parameter.
4869         Change all callers.
4870         * object.h (class Object): Make input_file public.  Add
4871         searched_for method.
4872         (make_elf_object): Update declaration.
4873         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
4874         restart search.
4875         * dirsearch.h (class Dirsearch): Update declaration.
4876         * options.h (class General_options): Add --warn-search-mismatch.
4877         * parameters.cc (Parameters::is_compatible_target): New function.
4878         * parameters.h (class Parameters): Declare is_compatible_target.
4879         * workqueue.cc (Workqueue::add_blocker): New function.
4880         * workqueue.h (class Workqueue): Declare add_blocker.
4882         * fileread.cc (Input_file::open): Remove options parameter.
4883         Change all callers.
4884         (Input_file::open_binary): Likewise.
4885         * script.cc (read_input_script): Likewise.
4886         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
4887         options parameter from constructor.  Change all callers.
4888         (class Read_script): Likewise.
4889         * fileread.h (class Input_file): Update declarations.
4890         * script.h (read_input_script): Update declaration.
4892 2009-03-10  Nick Clifton  <nickc@redhat.com>
4894         * po/es.po: New Spanish translation.
4896 2009-03-06  Cary Coutant  <ccoutant@google.com>
4898         * options.cc (parse_short_option): Keep dash_z from registering itself.
4900 2009-03-03  Ian Lance Taylor  <iant@google.com>
4902         PR 9918
4903         * target-reloc.h (relocate_section): Pass output_section to
4904         relocate.
4905         * i386.cc (Target_i386::should_apply_static_reloc): Add
4906         output_section parameter.  Change all callers.
4907         (Target_i386::Relocate::relocate): Add output_section parameter.
4908         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4909         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4910         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4911         * testsuite/two_file_shared.sh: New script.
4912         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4913         (check_DATA): Add two_file_shared.dbg.
4914         (two_file_shared.dbg): New target.
4915         * testsuite/Makefile.in: Rebuild.
4917 2009-03-01  Ian Lance Taylor  <iant@google.com>
4919         * configure.ac: Check for byteswap.h.
4920         * configure: Rebuild.
4921         * config.in: Rebuild.
4923 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
4925         * layout.cc (Layout::find_or_add_kept_section): New function.
4926         (Layout::add_comdat): Removed.
4927         * layout.h (struct Kept_section): Move out of class Layout.
4928         Remove trailing underscores from field names.  Add group_sections
4929         field.  Rename group_ field to is_group.  Change all uses.
4930         (class Layout): Declare find_or_add_kept_section, not add_comdat.
4931         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4932         comdat_groups_ field.
4933         (Sized_relobj::include_section_group): Use
4934         find_or_add_kept_section and Kept_section::group_sections.
4935         (Sized_relobj::include_linkonce_section): Likewise.
4936         * object.cc (class Sized_relobj): Don't define Comdat_group or
4937         Comdat_group_table.  Remove find_comdat_group and
4938         add_comdat_group.  Remove comdat_groups_ field.
4939         * plugin.cc (include_comdat_group): Use
4940         Layout::find_or_add_kept_section.
4942 2009-02-28  Ian Lance Taylor  <iant@google.com>
4944         * README: --gc-sections and map files are now supported.  Document
4945         some build requirements.
4947         PR 6992
4948         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4949         relocatable link set the value of the section symbol to zero.
4950         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4951         relocatable link don't include the section address in the local
4952         symbol value.
4954 2009-02-27  Ian Lance Taylor  <iant@google.com>
4956         PR 6811
4957         * options.h (class Search_directory): Add is_system_directory.
4958         (class General_options): Declare is_in_system_directory.
4959         * options.cc (get_relative_sysroot): Make static.
4960         (get_default_sysroot): Make static.
4961         (General_optoins::is_in_system_directory): New function.
4962         * fileread.cc (Input_file::is_in_system_directory): New function.
4963         * fileread.h (class Input_file): Declare is_in_system_directory.
4964         * object.h (class Object): Add is_in_system_directory.
4965         (class Input_objects): Remove system_library_directory_ field.
4966         * object.cc (Input_objects::add_object): Don't set
4967         system_library_directory_.
4968         (input_objects::found_in_system_library_directory): Remove.
4969         * symtab.cc (Symbol_table::write_globals): Remove input_objects
4970         parameter.  Change all callers.
4971         (Symbol_table::sized_write_globals): Likewise.
4972         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
4973         Call Object::is_in_system_directory.
4974         * symtab.h (class Symbol_table): Update declarations.
4976         PR 5990
4977         * descriptors.h (Open_descriptor): Add is_on_stack field.
4978         * descriptors.cc (Descriptors::open): If the descriptor is on the
4979         top of the stack, remove it.  Initialize is_on_stack field.
4980         (Descriptors::release): Only add pod to stack if it is not on the
4981         stack already.
4982         (Descriptors::close_some_descriptor): Clear stack_next and
4983         is_on_stack fields.
4985         PR 7091
4986         * output.cc (Output_section::find_starting_output_address): Rename
4987         from starting_output_address; add PADDR parameter; change return
4988         type.
4989         * output.h (class Output_section): Declare
4990         find_starting_output_address instead of starting_output_address.
4991         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
4992         section symbol for which we can't find a merge section.
4994         PR 9836
4995         * symtab.cc (Symbol_table::add_from_object): If the visibility is
4996         hidden or internal, force the symbol to be local.
4997         * resolve.cc (Symbol::override_visibility): Define.
4998         (Symbol::override_base): Use override_visibility.
4999         (Symbol_table::resolve): Likewise.
5000         (Symbol::override_base_with_special): Likewise.
5001         (Symbol_table::override_with_special): If the visibility is hidden
5002         or internal, force the symbol to be local.
5003         * symtab.h (class Symbol): Add set_visibility and
5004         override_visibility.
5005         * testsuite/ver_test_1.sh: New file.
5006         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5007         (check_DATA): Add ver_test_1.syms.
5008         (ver_test_1.syms): New target.
5009         * testsuite/Makefile.in: Rebuild.
5011 2009-02-25  Cary Coutant  <ccoutant@google.com>
5013         * layout.cc (Layout::choose_output_section): Don't rename sections
5014         when using a linker script that has a SECTIONS clause.
5015         * Makefile.in: Regenerate.
5017         * testsuite/Makefile.am (script_test_5.sh): New test case.
5018         * testsuite/Makefile.in: Regenerate.
5019         * testsuite/script_test_5.cc: New file.
5020         * testsuite/script_test_5.sh: New file.
5021         * testsuite/script_test_5.t: New file.
5023 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5025         * archive.cc (Archive::include_member): Update calls to add_symbols.
5026         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5027         the Layout argument.
5028         * dynobj.h (do_add_symbols): Add the Layout argument.
5029         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5030         Layout argument.
5031         * object.h (Object::add_symbols): Add the Layout argument.
5032         (Object::do_add_symbols): Add the Layout argument.
5033         (Sized_relobj::do_add_symbols): Add the Layout argument.
5034         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5035         Unify the two versions.
5036         (Add_plugin_symbols): Remove.
5037         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5038         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5039         (Add_plugin_symbols): Remove.
5040         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5041         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5042         (Add_symbols::run): Make it work with Pulginobj.
5044 2009-02-06  Ian Lance Taylor  <iant@google.com>
5046         * object.cc (Sized_relobj::do_layout): Make info message start
5047         with lower case letter.
5049 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5051         * binary.cc: Fix file comment.
5053         * options.h (enum Incremental_disposition): Define.
5054         (class General_options): Add new options: --incremental,
5055         --incremental_changed, --incremental_unchanged,
5056         --incremental_unknown.  Add incremental_disposition_ and
5057         implicit_incremental_ fields.
5058         (General_options::incremental_disposition): New function.
5059         (class Position_dependent_options): Add incremental_disposition
5060         option.
5061         (Position_dependent_options::copy_from_options): Set incremental
5062         dispositions.
5063         * options.cc (General_options::parse_incremental_changed): New
5064         function.
5065         (General_options::parse_incremental_unchanged): New function.
5066         (General_options::parse_incremental_unknown): New function.
5067         (General_options::General_options): Initialize new fields
5068         incremental_disposition_ and implicit_incremental_.
5069         (General_options::finalize): Check for uasge of --incremental-*
5070         without --incremental.
5072 2009-02-06  Chris Demetriou  <cgd@google.com>
5074         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5075         pointer and to report location as the file name associated with
5076         the symbol.
5077         (gold_undefined_symbol_at_location): New function to replace the
5078         old gold_undefined_symbol functionality.
5079         * target-reloc.h (relocate_section): Update to use
5080         gold_undefined_symbol_at_location.
5081         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5082         Call gold_undefined_symbol function rather than gold_error.
5083         * errors.h (Errors::undefined_symbol): Take location as a
5084         string, rather than calculating it from a relocation.
5085         * errors.cc (Errors::fatal): Print "fatal error:" before the
5086         formatted message.
5087         (Errors::error, Errors::error_at_location): Print "error: "
5088         before the formatted message.
5089         (Errors::undefined_symbol): Take location as a string, rather
5090         than calculating it from a relocation.
5091         (gold_undefined_symbol_at_location): New function akin to
5092         old gold_undefined_symbol, calculates location from relocation.
5093         (gold_undefined_symbol): Change to take only a Symbol pointer
5094         and to report location as the file name associated with the symbol.
5095         * testsuite/debug_msg.sh: Update for changed error messages.
5096         * testsuite/undef_symbol.sh: Likewise.
5098 2009-02-04  Duncan Sands  <baldrick@free.fr>
5100         PR 9812
5101         * reduced_debug_output.h
5102         (Output_reduced_debug_abbrev_section::failed): Use format for
5103         gold_warning.
5104         (Output_reduced_debug_info_section::faild): Likewise.
5106 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5108         * script.cc (Lazy_demangler): New class.
5109         (Version_script_info::get_symbol_version_helper): Demangle a
5110         symbol only once.
5112 2009-01-29  Cary Coutant  <ccoutant@google.com>
5114         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5115         to __tls_get_addr.
5116         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5118 2009-01-28  Ian Lance Taylor  <iant@google.com>
5120         * version.cc (version_string): Bump to 1.9.
5122         * gold.h: Include <cstring> and <stdint.h>.
5123         * version.cc: Include <cstdio>.
5124         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5125         warning.
5126         * reduced_debug_output.cc (insert_into_vector): Rename from
5127         Insert_into_vector; change all callers.  Use Swap_unaligned to
5128         avoid aliasing issue; remove union since it is unnecessary.
5130 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5132         * Makefile.am (CCFILES): Add gc.cc.
5133         (HFILES): Add gc.h.
5134         * Makefile.in: Regenerate.
5135         * gold.cc (Gc_runner): New class.
5136         (queue_initial_tasks): Call garbage collection related tasks
5137         when corresponding options are invoked.
5138         (queue_middle_gc_tasks): New function.
5139         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5140         processed early before laying out sections during garbage collection.
5141         * gold.h (queue_middle_gc_tasks): New function.
5142         (is_prefix_of): Move from "layout.cc".
5143         * i386.cc (Target_i386::gc_process_relocs): New function.
5144         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5145         * main.cc (main): Create object of class "Garbage_collection".
5146         * object.cc (Relobj::copy_symbols_data): New function.
5147         (Relobj::is_section_name_included): New function.
5148         (Sized_relobj::do_layout): Allow this function to be called twice 
5149         during garbage collection and defer layout of section during the 
5150         first call.
5151         * object.h (Relobj::get_symbols_data): New function.
5152         (Relobj::is_section_name_included): New function.
5153         (Relobj::copy_symbols_data): New function.
5154         (Relobj::set_symbols_data): New function.
5155         (Relobj::get_relocs_data): New function.
5156         (Relobj::set_relocs_data): New function.
5157         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5158         (Relobj::gc_process_relocs): New function.
5159         (Relobj::do_gc_process_relocs): New pure virtual function.
5160         (Relobj::sd_): New data member.
5161         (Sized_relobj::is_output_section_offset_invalid): New function.
5162         (Sized_relobj::do_gc_process_relocs): New function.
5163         * options.h (General_options::gc_sections): Modify to not be a no-op.
5164         (General_options::print_gc_sections): New option.
5165         * plugin.cc (Plugin_finish::run): Remove function call to
5166         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5167         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5168         * reloc.cc (Read_relocs::run): Add task to process relocs and
5169         determine unreferenced sections when doing garbage collection.
5170         (Gc_process_relocs): New class.
5171         (Sized_relobj::do_gc_process_relocs): New function.
5172         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5173         sections that are garbage collected.
5174         * reloc.h (Gc_process_relocs): New class.
5175         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5176         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5177         symbols whose corresponding sections are garbage collected.
5178         (Symbol_table::Symbol_table): Add new parameter for the garbage
5179         collection object.
5180         (Symbol_table::gc_mark_undef_symbols): New function.
5181         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5182         (Symbol_table::gc_mark_dyn_syms): New function.
5183         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5184         as garbage.
5185         (Symbol_table::add_from_object): Likewise.
5186         (Symbol_table::add_from_relobj): When building shared objects, do not
5187         treat externally visible symbols as garbage.
5188         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5189         table information for static and relocatable links.
5190         * symtab.h (Symbol_table::set_gc): New function.
5191         (Symbol_table::gc): New function.
5192         (Symbol_table::gc_mark_undef_symbols): New function.
5193         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5194         (Symbol_table::gc_mark_dyn_syms): New function.
5195         (Symbol_table::gc_): New data member.
5196         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5197         function.
5198         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5199         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5201 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5203         * options.h (General_options::gc_sections): Define as a no-op for now.
5204         (General_options::no_keep_memory): Ditto.
5205         (General_options::Bshareable): Define.
5206         * options.cc (General_options::finalize): Honor -Bshareable.
5208 2009-01-20  Andreas Schwab  <schwab@suse.de>
5210         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5211         read the value in the contents, since we don't use it.  Use the
5212         template endianness when writing.
5213         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5215 2009-01-19  Andreas Schwab  <schwab@suse.de>
5217         * configure.tgt (powerpc64-*): Fix targ_obj.
5219 2009-01-15  Ian Lance Taylor  <iant@google.com>
5221         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5222         local symbols when stripping all symbols.
5224 2009-01-14  Cary Coutant  <ccoutant@google.com>
5226         * output.cc (Output_reloc): Add explicit instantiations.
5228 2009-01-14  Cary Coutant  <ccoutant@google.com>
5230         * archive.cc (Archive::get_elf_object_for_member): Remove call
5231         to File_read::claim_for_plugin.
5232         * descriptors.cc (Descriptors::open): Remove reference to
5233         is_claimed.
5234         (Descriptors::claim_for_plugin): Remove.
5235         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5236         (Descriptors::is_claimed): Remove.
5237         (claim_descriptor_for_plugin): Remove.
5238         * fileread.cc (File_read::claim_for_plugin): Remove.
5239         * fileread.h (File_read::claim_for_plugin): Remove.
5240         (File_read::descriptor): Reopen descriptor if necessary.
5241         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5242         (Plugin_manager::all_symbols_read): Add task parameter. Change
5243         all callers.
5244         (Plugin_manager::get_input_file): New function.
5245         (Plugin_manager::release_input_file): New function.
5246         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5247         corresponding data member.
5248         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5249         and pass to base constructor. Change all callers.
5250         (get_input_file, release_input_file): New functions.
5251         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5252         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5253         (Plugin_manager::all_symbols_read): Add task parameter.
5254         (Plugin_manager::get_input_file): New function.
5255         (Plugin_manager::release_input_file): New function.
5256         (Plugin_manager::task_): New data member.
5257         (Pluginobj::Pluginobj): Add filesize parameter.
5258         (Pluginobj::filename): New function.
5259         (Pluginobj::descriptor): New function.
5260         (Pluginobj::filesize): New function.
5261         (Pluginobj::filesize_): New data member.
5262         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5263         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5264         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5266         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5267         with archive libraries.
5268         * testsuite/Makefile.in: Regenerate.
5269         * testsuite/plugin_test.c (struct sym_info): New type.
5270         (get_input_file, release_input_file): New static variables.
5271         (onload): Capture new transfer vector entries.
5272         (claim_file_hook): Stop reading at end of file according to filesize.
5273         Factor out parsing of readelf output into separate function.
5274         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5275         APIs and get the source file name from the symbol table.  Convert
5276         source file name to corresponding object file name.  Print info
5277         message when adding new input files.
5278         (parse_readelf_line): New function.
5279         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5280         * testsuite/plugin_test_2.sh: Likewise.
5281         * testsuite/plugin_test_3.sh: Likewise.
5282         * testsuite/plugin_test_4.sh: New test case.
5284 2009-01-07  Ian Lance Taylor  <iant@google.com>
5286         * version.cc (version_string): Bump to 1.8.
5288 2008-12-23  Cary Coutant  <ccoutant@google.com>
5290         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5291         * plugin.cc (Plugin_manager::finish): Rename as
5292         layout_deferred_objects.  Move cleanup to separate function.
5293         (Plugin_manager::cleanup): New function.
5294         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5295         separately.
5296         * plugin.h (Plugin_manager::finish): Rename as
5297         layout_deferred_objects.
5298         (Plugin_manager::cleanup): New function.
5299         (Plugin_manager::cleanup_done): New field.
5301 2008-12-23  Cary Coutant  <ccoutant@google.com>
5303         * plugin.cc (is_visible_from_outside): New function.
5304         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5305         so we don't return "IR only" status for exported symbols or -r links.
5307         * testsuite/Makefile.am (plugin_test_3): New test case.
5308         * testsuite/Makefile.in: Regenerate.
5309         * testsuite/plugin_test_3.sh: New file.
5311 2008-12-22  Cary Coutant  <ccoutant@google.com>
5313         * object.cc (Sized_relobj::layout_section): New function.
5314         (Sized_relobj::do_layout): Defer layout of input sections until after
5315         plugin has provided replacement files.
5316         (Sized_relobj::do_layout_deferred_sections): New function.
5317         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5318         (Relobj::layout_deferred_sections): New function.
5319         (Relobj::do_layout_deferred_sections): New function.
5320         (Sized_relobj::do_layout_deferred_sections): New function.
5321         (Sized_relobj::layout_section): New function.
5322         (Sized_relobj::Deferred_layout): New structure.
5323         (Sized_relobj::deferred_layout_): New field.
5324         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5325         Change all callers.  Layout deferred sections.
5326         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5327         references.
5328         (Plugin_hook::run): Move code from do_plugin_hook inline.
5329         (Plugin_hook::do_plugin_hook): Remove.
5330         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5331         (Plugin_manager::finish): Renamed, was cleanup.
5332         (Plugin_manager::should_defer_layout): New function.
5333         (Plugin_manager::add_deferred_layout_object): New function.
5334         (Plugin_manager::Deferred_layout_list): New type.
5335         (Plugin_manager::deferred_layout_objects_): New field.
5336         (Plugin_hook::do_plugin_hook): Remove.
5338 2008-12-17  Ian Lance Taylor  <iant@google.com>
5340         * options.h (class General_options): Add --no case for
5341         --export-dynamic.
5343 2008-12-16  Cary Coutant  <ccoutant@google.com>
5345         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5346         vector.
5347         (Plugin_manager::claim_file): Create plugin object even if
5348         plugin did not call the add_symbols callback.
5349         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5350         asking for more symbols than were added.
5351         * testsuite/Makefile.am (plugin_test_1): Add test case with
5352         no global symbols.
5353         (empty.syms): New target.
5354         * testsuite/Makefile.in: Regenerate.
5355         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5356         message. Don't call add_symbols if no globals.
5357         (all_symbols_read_hook): Don't provide replacement for empty
5358         claimed file.
5360 2008-12-12  Ian Lance Taylor  <iant@google.com>
5362         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5363         r_type == 0 for a local symbol with r_sym == 0.
5364         (scan_relocatable_relocs): Pass r_sym to
5365         local_non_section_strategy.
5366         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5367         r_sym parameter.
5369         * configure.ac: Update test for TLS descriptors: they are
5370         supported as of glibc 2.9.
5371         * configure: Rebuild.
5373 2008-12-11  Ian Lance Taylor  <iant@google.com>
5375         PR 7091
5376         * target-reloc.h (Default_scan_relocatable_relocs): For each
5377         function, map r_type == 0 to RELOC_DISCARD.
5379 2008-12-10  Cary Coutant  <ccoutant@google.com>
5381         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5382         object to override a kept COMDAT group from a plugin object.
5384 2008-12-09  Ian Lance Taylor  <iant@google.com>
5386         PR 7088
5387         * yyscript.y (file_cmd): Handle INPUT.
5389         * testsuite/initpri1.c: Change all declarations to be full
5390         prototypes by adding void, to avoid compiler warnings.
5392 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5394         * options.cc (General_options::parse_plugin_opt): New.
5395         (General_options::add_plugin): The argument now is just the filename.
5396         (General_options::add_plugin_option): New.
5397         * options.h (plugin_opt): New.
5398         (add_plugin): Change argument name.
5399         (add_plugin_option): New.
5400         * plugin.cc (Plugin::load): Don't parse the plugin option.
5401         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5402         (Plugin::add_option): New.
5403         (Plugin::args_): Change type.
5404         (Plugin::filename_): New.
5405         (Plugin_manager::add_plugin_option): New.
5406         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5407         * testsuite/Makefile.in: Regenerate.
5409 2008-12-05  Cary Coutant  <ccoutant@google.com>
5411         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5412         Handle --strip-lto-sections option.
5413         * options.h (strip_lto_sections): New option.
5415 2008-12-01  Cary Coutant  <ccoutant@google.com>
5417         * plugin.cc (ld_plugin_message): Change format parameter to const.
5418         Fix mismatch between new[] and delete.
5420 2008-11-14  Cary Coutant  <ccoutant@google.com>
5422         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5423         instead of -1U.
5425 2008-11-05  Craig Silverstein  <csilvers@google.com>
5427         * options.cc (General_options::parse_dynamic_list): New function.
5428         * options.h (General_options): New flags dynamic_list,
5429         dynamic_list_data, dynamic_list_cpp_new, and
5430         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5431         (General_options::in_dynamic_list): New function.
5432         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5433         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5434         (Lex::can_continue_name): Likewise.
5435         (yylex): Likewise.
5436         (read_script_file): New parameter script_options.
5437         (read_dynamic_list): New function.
5438         (Script_options::define_dynamic_list): New function.
5439         (dynamic_list_keyword_parsecodes): New variable.
5440         (dynamic_list_keywords): New variable.
5441         * script.h (Script_options::define_dynamic_list): New function
5442         prototype.
5443         (read_dynamic_list): New function prototype.
5444         * symtab.cc (strprefix): New macro.
5445         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5446         dynamic_list_data, dynamic_list_cpp_new, and
5447         dynamic_list_cpp_typeinfo.
5448         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5449         (dynamic_list_expr): New rule.
5450         (dynamic_list_nodes): Likewise.
5451         (dynamic_list_node): Likewise.
5452         * testsuite/Makefile.am (dynamic_list): New test.
5453         * testsuite/Makefile.in: Regenerated.
5454         * testsuite/dynamic_list.t: New file.
5455         * testsuite/dynamic_list.sh: New file.
5457 2008-11-05  Craig Silverstein  <csilvers@google.com>
5459         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5460         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5461         (t11_last): Likewise.
5462         * testsuite/ver_test_6.c (main): Likewise.
5464 2008-10-07  Cary Coutant  <ccoutant@google.com>
5466         * options.c (General_options::finalize): Add check for -static and
5467         -shared.
5468         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5469         is not empty.
5471 2008-10-02  Cary Coutant  <ccoutant@google.com>
5473         * plugin.cc (make_sized_plugin_object): Fix conditional
5474         compilation to work when not all targets are enabled.
5476 2008-09-29  Cary Coutant  <ccoutant@google.com>
5478         * archive.cc (Archive::get_file_and_offset): Use filename instead
5479         of name to get library path.
5480         (Archive::include_member): Unlock external member of a thin archive.
5482         * testsuite/Makefile.am (TEST_AR): New variable.
5483         (thin_archive_test_1): New test.
5484         (thin_archive_test_2): New test.
5485         * testsuite/Makefile.in: Regenerate.
5486         * testsuite/thin_archive_main.cc: New file.
5487         * testsuite/thin_archive_test_1.cc: New file.
5488         * testsuite/thin_archive_test_2.cc: New file.
5489         * testsuite/thin_archive_test_3.cc: New file.
5490         * testsuite/thin_archive_test_4.cc: New file.
5492 2008-09-29  Cary Coutant  <ccoutant@google.com>
5494         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5495         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5496         instead of -1U.
5497         (Sized_relobj::do_finalize_local_symbols): Likewise.
5498         (Sized_relobj::map_to_kept_section): Likewise.
5499         * object.h (Sized_relobj::invalid_address): New constant.
5500         (Sized_relobj::do_output_section_offset): Check for invalid_address
5501         and return -1ULL.
5502         * output.cc (Output_reloc::local_section_offset): Use constant
5503         invalid_address instead of -1U.
5504         (Output_reloc::get_address): Likewise.
5505         (Output_section::output_address): Change -1U to -1ULL.
5506         * output.h (Output_reloc::invalid_address): New constant.
5507         * reloc.cc (Sized_relobj::write_sections): Use constant
5508         invalid_address instead of -1U.
5509         (Sized_relobj::relocate_sections): Likewise.
5510         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5511         values for merge sections.
5512         * target-reloc.h (relocate_for_relocatable): Use constant
5513         invalid_address instead of -1U.
5515 2008-09-19  Cary Coutant  <ccoutant@google.com>
5517         Add plugin functionality for link-time optimization (LTO).
5518         * configure.ac (plugins): Add --enable-plugins option.
5519         * configure: Regenerate.
5520         * config.in: Regenerate.
5521         * Makefile.am (LIBDL): New variable.
5522         (CCFILES): Add plugin.cc.
5523         (HFILES): Add plugin.h.
5524         (ldadd_var): Add LIBDL.
5525         * Makefile.in: Regenerate.
5527         * archive.cc: Include "plugin.h".
5528         (Archive::setup): Don't preread archive symbols when using a plugin.
5529         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5530         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5531         files.
5532         (Archive::include_member): Add symbols from plugin objects.
5533         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5534         * descriptors.cc (Descriptors::open): Check for file descriptors
5535         abandoned by plugins.
5536         (Descriptors::claim_for_plugin): New function.
5537         * descriptors.h (Descriptors::claim_for_plugin): New function.
5538         (Open_descriptor::is_claimed): New field.
5539         (claim_descriptor_for_plugin): New function.
5540         * fileread.cc (File_read::claim_for_plugin): New function.
5541         * fileread.h (File_read::claim_for_plugin): New function.
5542         (File_read::descriptor): New function.
5543         * gold.cc: Include "plugin.h".
5544         (queue_initial_tasks): Add task to call plugin hooks for generating
5545         new object files.
5546         * main.cc: Include "plugin.h".
5547         (main): Load plugin libraries.
5548         * object.h (Pluginobj): Declare.
5549         (Object::pluginobj): New function.
5550         (Object::do_pluginobj): New function.
5551         (Object::set_target): New function.
5552         * options.cc: Include "plugin.h".
5553         (General_options::parse_plugin): New function.
5554         (General_options::General_options): Initialize plugins_ field.
5555         (General_options::add_plugin): New function.
5556         * options.h (Plugin_manager): Declare.
5557         (General_options): Add --plugin option.
5558         (General_options::has_plugins): New function.
5559         (General_options::plugins): New function.
5560         (General_options::add_plugin): New function.
5561         (General_options::plugins_): New field.
5562         * plugin.cc: New file.
5563         * plugin.h: New file.
5564         * readsyms.cc: Include "plugin.h".
5565         (Read_symbols::do_read_symbols): Check for archive before checking
5566         for ELF file.  Call plugin hooks to claim files.
5567         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5568         from a real object file; force override when processing replacement
5569         files.
5570         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5571         (Symbol::init_base_object): Likewise.
5572         (Symbol::init_base_output_data): Likewise.
5573         (Symbol::init_base_output_segment): Likewise.
5574         (Symbol::init_base_constant): Likewise.
5575         (Symbol::init_base_undefined): Likewise.
5576         (Symbol::output_section): Assert that object is not a plugin.
5577         (Symbol_table::add_from_pluginobj): New function.
5578         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5579         undefined.
5580         (Symbol_table::sized_write_globals): Likewise.
5581         (Symbol_table::add_from_pluginobj): Instantiate template.
5582         * symtab.h (Sized_pluginobj): Declare.
5583         (Symbol::in_real_elf): New function.
5584         (Symbol::set_in_real_elf): New function.
5585         (Symbol::in_real_elf_): New field.
5586         (Symbol_table::add_from_pluginobj): New function.
5588         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5589         (LIBDL): New variable.
5590         (LDADD): Add LIBDL.
5591         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5592         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5593         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5594         (MOSTLYCLEANFILES): Likewise.
5595         * testsuite/Makefile.in: Regenerate.
5596         * testsuite/plugin_test.c: New file.
5597         * testsuite/plugin_test_1.sh: New file.
5598         * testsuite/plugin_test_2.sh: New file.
5600 2008-09-16  Ian Lance Taylor  <iant@google.com>
5602         * target-reloc.h (relocate_section): Check whether a symbol is
5603         defined by the ABI before reporting an undefined symbol error.
5604         * target.h (Target::is_defined_by_abi): Make parameter const.
5605         (Target::do_is_defined_by_abi): Likewise.
5606         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5607         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5608         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5609         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5610         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5611         * testsuite/Makefile.in: Rebuild.
5613         * fileread.cc (make_view): Add casts to avoid warning.
5615 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5617         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5618         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5620 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5622         * options.h (General_options::output_is_executable): New.
5623         (General_options::output_is_pie): New.
5624         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5625         for shared libraries.
5626         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5628 2008-09-11  Chris Demetriou  <cgd@google.com>
5630         * options.h (origin): New -z option.
5631         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5632         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5633         in DT_FLAGS_1.
5635 2008-09-05  Cary Coutant  <ccoutant@google.com>
5637         * fileread.cc (File_read::make_view): Add check for attempt to map
5638         beyond end of file.
5640 2008-09-05  Cary Coutant  <ccoutant@google.com>
5642         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5643         explicit instantiations.
5645 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5647         PR gold/6858
5648         * options.cc (General_options::finalize): Allow undefined symbols
5649         in shlibs if linking -shared.
5651         PR gold/6859
5652         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5653         symbols as not needing a dynsym entry.
5655 2008-08-20  Craig Silverstein  <csilvers@google.com>
5657         * fileread.cc (File_read::open): Do not lock the file unless it
5658         was successfully opened.
5660 2008-08-14  Cary Coutant  <ccoutant@google.com>
5662         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5663         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5664         * testsuite/tls_test.cc (struct int128): 128-bit struct
5665         for testing TLS relocs with non-zero addend.
5666         (v12): New TLS variable.
5667         (t12): New test.
5668         (t_last): Add check for v12.
5669         * testsuite/tls_test.h (t12): New function.
5670         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5672 2008-08-13  Ian Lance Taylor  <iant@google.com>
5674         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5675         set tls_segment_ or relro_segment_.
5676         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5677         when appropriate.
5678         * output.h (Output_section::clear_is_relro): New function.
5679         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5680         sections specially even when output_data_ is empty.
5681         (Output_segment::maximum_alignment): When first section is relro,
5682         only force alignment for PT_LOAD segments.
5683         * script.cc (script_data_segment_align): New function.
5684         (script_data_segment_relro_end): New function.
5685         * script-c.h (script_data_segment_align): Declare.
5686         (script_data_segment_relro_end): Declare.
5687         * script-sections.h (class Script_sections): Declare
5688         data_segment_align and data_segment_relro_end.  Add fields
5689         segment_align_index_ and saw_relro_end_.
5690         * script-sections.cc (class Sections_element): Add set_is_relro
5691         virtual function.  Add new bool* parameter to place_orphan_here.
5692         Add get_output_section virtual function.
5693         (class Output_section_definition): Add set_is_relro.  Add new
5694         bool* parameter to place_orphan_here.  Add get_output_section.
5695         Add is_relro_ field.
5696         (Output_section_definition::Output_section_definition): Initialize
5697         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5698         and is_relro_ fields.
5699         (Output_section_definition::place_orphan_here): Add is_relro
5700         parameter.
5701         (Output_section_definition::set_section_addresses): Set relro for
5702         output section.
5703         (Output_section_definition::alternate_constraint): Likewise.
5704         (class Orphan_output_section): Add new bool* parameter to
5705         place_orphan_here.  Add get_output_section.
5706         (Orphan_output_section::place_orphan_here): Add is_relro
5707         parameter.
5708         (Script_sections::Script_sections): Initialize
5709         data_segment_align_index_ and saw_relro_end_.
5710         (Script_sections::data_segment_align): New function.
5711         (Script_sections::data_segment_relro_end): New function.
5712         (Script_sections::place_orphan): Set or clear is_relro.
5713         (Script_sections::set_section_addresses): Force alignment of first
5714         TLS section.
5715         * yyscript.y (exp): Call script_data_segment_align and
5716         script_data_segment_relro_end.
5717         * testsuite/relro_script_test.t: New file.
5718         * testsuite/relro_test.cc (using_script): Declare.
5719         (t1, t2): Test using_script.
5720         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5721         (relro_script_test_SOURCES): Define.
5722         (relro_script_test_DEPENDENCIES): Define.
5723         (relro_script_test_LDFLAGS): Define.
5724         (relro_script_test_LDADD): Define.
5725         (relro_script_test.so): New target.
5726         * testsuite/Makefile.in: Rebuild.
5728 2008-08-06  Cary Coutant <ccoutant@google.com>
5730         * archive.cc (Archive::total_archives, Archive::total_members)
5731         (Archive::total_members_loaded): New variables.
5732         (Archive::setup): Add parameter.  Add option to preread
5733         archive symbols.
5734         (Archive::read_armap): Add counter.
5735         (Archive::get_file_and_offset): New function.
5736         (Archive::get_elf_object_for_member): New function.
5737         (Archive::read_all_symbols): New function.
5738         (Archive::read_symbols): New function.
5739         (Archive::add_symbols): Add counters.
5740         (Archive::include_all_members): Use armap to find members if it's
5741         already built.
5742         (Archive::include_member): Skip reading symbols if already read.
5743         Factored code into Archive::get_file_and_offset and
5744         Archive::get_elf_object_for_member.  Changed call to
5745         Mapfile::report_include_archive_member.
5746         (Archive::print_stats): New function.
5747         * archive.h: Declare Object and Read_symbols_data classes.
5748         (Archive::Archive): Add initializers for new members.
5749         (Archive::setup): Add parameter.
5750         (Archive::print_stats): New function.
5751         (Archive::total_archives, Archive::total_members)
5752         (Archive::total_members_loaded): New variables.
5753         (Archive::get_file_and_offset): New function.
5754         (Archive::get_elf_object_for_member): New function.
5755         (Archive::read_all_symbols): New function.
5756         (Archive::read_symbols): New function.
5757         (Archive::Archive_member): New class.
5758         (Archive::members_): New member.
5759         (Archive::num_members_): New member.
5760         * main.cc: Include archive.h.
5761         (main): Call Archive::print_stats.
5762         * mapfile.cc (Mapfile::report_include_archive_member): Delete
5763         archive parameter; member_name is now the fully-decorated name.
5764         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5765         * options.h: (General_options): Add --preread-archive-symbols option.
5766         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5767         Archive::setup.
5769 2008-08-04  Ian Lance Taylor  <iant@google.com>
5771         * symtab.h (Symbol::use_plt_offset): New function.
5772         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5773         * powerpc.cc (Relocate::relocate): Likewise.
5774         * sparc.cc (Relocate::relocate): Likewise.
5775         * x86_64.cc (Relocate::relocate): Likewise.
5776         * testsuite/weak_plt.sh: New test.
5777         * testsuite/weak_plt_main.cc: New test.
5778         * testsuite/weak_plt_shared.cc: New test.
5779         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5780         (check_PROGRAMS): Add weak_plt.
5781         (check_DATA): Add weak_plt_shared.so.
5782         (weak_plt_main_pic.o, weak_plt): New targets.
5783         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5784         * testsuite/Makefile.in: Rebuild.
5786         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5787         gcctestdir/ld.
5788         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5789         * testsuite/Makefile.in: Rebuild.
5791 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
5793         * Makefile.am (POTFILES.in): Set LC_ALL=C.
5794         * Makefile.in: Regenerate.
5795         * po/POTFILES.in: Regenerate.
5797 2008-07-29  Ian Lance Taylor  <iant@google.com>
5799         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5800         symbols before other symbols.
5801         * testsuite/script_test_2.cc (test_addr): Declare.
5802         (test_addr_alias): Declare.
5803         (main): Check that test_addr and test_addr_alias have the right
5804         values.
5805         * testsuite/script_test_2.t: Define test_addr_alias and
5806         test_addr.
5808 2008-07-24  Ian Lance Taylor  <iant@google.com>
5810         PR 5990
5811         * descriptors.cc: New file.
5812         * descriptors.h: New file.
5813         * gold-threads.h (class Hold_optional_lock): New class.
5814         * fileread.cc: Include "descriptors.h".
5815         (File_read::~File_read): Release descriptor rather than closing
5816         it.
5817         (File_read::open) [file]: Call open_descriptor rather than open.
5818         Set is_descriptor_opened_.
5819         (File_read::open) [memory]: Assert that descriptor is not open.
5820         (File_read::reopen_descriptor): New function.
5821         (File_read::release): Release descriptor.
5822         (File_read::do_read): Make non-const.  Reopen descriptor.
5823         (File_read::read): Make non-const.
5824         (File_read::make_view): Reopen descriptor.
5825         (File_read::do_readv): Likewise.
5826         * fileread.h (class File_read): Add is_descriptor_opened_ field.
5827         Update declarations.
5828         * layout.cc: Include "descriptors.h".
5829         (Layout::create_build_id): Use open_descriptor rather than open.
5830         * output.cc: Include "descriptors.h".
5831         (Output_file::open): Use open_descriptor rather than open.
5832         * archive.cc (Archive::const_iterator): Change Archive to be
5833         non-const.
5834         (Archive::begin, Archive::end): Make non-const.
5835         (Archive::count_members): Likewise.
5836         * archive.h (class Archive): Update declarations.
5837         * object.h (Object::read): Make non-const.
5838         * Makefile.am (CCFILES): Add descriptors.cc.
5839         (HFILES): Add descriptors.h.
5840         * Makefile.in: Rebuild.
5842         PR 6716
5843         * gold.h: Always include <clocale>.  Add Solaris workarounds
5844         following code in binutils/sysdep.h.
5846         PR 6048
5847         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5848         this->eh_frame_hdr_ is NULL before using it.
5850         * dynobj.cc (Versions::Versions): Update comment.
5852         * dynobj.cc (Versions::Versions): If there is an soname, use it as
5853         the base version name.
5855         * stringpool.cc (Stringpool_template::add_with_length): Set key to
5856         array size plus one.
5857         (Stringpool_template::set_string_offsets): Subtract one from key
5858         before using it as an array index.
5859         (Stringpool_template::get_offset_with_length): Likewise.
5860         (Stringpool_template::write_to_buffer): Likewise.
5861         * stringpool.h (Stringpool_template::get_offset_from_key):
5862         Likewise.
5864 2008-07-23  Ian Lance Taylor  <iant@google.com>
5866         PR 6658
5867         * object.h (Merged_symbol_value::value): Do our best to handle a
5868         negative addend.
5870         PR 6647
5871         * script.cc (Version_script_info::get_versions): Don't add empty
5872         version tag to return value.
5873         (Version_script_info::get_symbol_version_helper): Change return
5874         type to bool.  Add pversion parameter.  Change all callers.
5875         (script_register_vers_node): Don't require a non-NULL tag.
5876         * script.h (class Version_script_info): Update declarations.
5877         (Version_script_info::get_symbol_version): Change return type to
5878         bool.  Add version parameter.  Change all callers.
5879         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5880         handling.  Handle an empty version from a version script.
5881         (Symbol_table::define_special_symbol): Likewise.
5882         * testsuite/ver_test_10.script: New file.
5883         * testsuite/ver_test_10.sh: New file.
5884         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5885         (check_DATA): Add ver_test_10.syms.
5886         (ver_test_10.syms, ver_test_10.so): New target.
5887         * testsuite/Makefile.in: Rebuild.
5889 2008-07-23  Simon Baldwin  <simonb@google.com>
5891         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5892         to zero for undefined symbols from dynamic libraries.
5894 2008-07-23  Ian Lance Taylor  <iant@google.com>
5896         * symtab.cc (Symbol_table::resolve): Remove version parameter.
5897         Change all callers.
5898         * symtab.h (class Symbol_table): Update declaration.
5899         * testsuite/ver_test_9.cc: New file.
5900         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5901         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5902         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5903         (ver_test_9.so, ver_test_9.o): New targets.
5904         * testsuite/Makefile.in: Rebuild.
5906 2008-07-22  Ian Lance Taylor  <iant@google.com>
5908         * options.h (class General_options): Define --check-sections.
5909         * layout.cc (Layout::set_segment_offsets): Handle
5910         --check-sections.
5912         * options.h (class General_options): Define -n/--nmagic and
5913         -N/--omagic.
5914         * options.cc (General_options::finalize): For -n/--nmagic or
5915         -N/--omagic, set -static.
5916         * layout.cc (Layout::attach_allocated_section_to_segment): If
5917         -N/--omagic, don't put read-only and read-write sections in
5918         different segments.
5919         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5920         finding a read-only segment.
5921         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5922         don't set the minimum segment alignment to the common page size,
5923         and don't set the file offset to the address modulo the page size.
5924         * script-sections.cc (Script_sections::create_segments): If
5925         -n/--omagic, don't put read-only and read-write sections in
5926         different segments.
5928         * cref.cc: New file.
5929         * cref.h: New file.
5930         * options.h (class General_options): Add --print-symbol-counts.
5931         * main.cc (main): Issue defined symbol report if requested.
5932         * archive.cc (Archive::interpret_header): Make into a const member
5933         function.
5934         (Archive::add_symbols): Call Input_objects::archive_start and
5935         archive_stop.
5936         (Archive::const_iterator): Define new class.
5937         (Archive::begin, Archive::end): New functions.
5938         (Archive::include_all_members): Rewrite to use iterator.
5939         (Archive::count_members): New function.
5940         * archive.h (class Archive): Update declarations.
5941         (Archive::filename): New function.
5942         * object.cc: Include "cref.h".
5943         (Sized_relobj::Sized_relobj): Initialize defined_count_.
5944         (Sized_relobj::do_get_global_symbol_counts): New function.
5945         (Input_objects::add_object): Add object to cross-referencer.
5946         (Input_objects::archive_start): New function.
5947         (Input_objects::archive_stop): New function.
5948         (Input_objects::print_symbol_counts): New function.
5949         * object.h: Declare Cref and Archive.
5950         (Object::get_global_symbol_counts): New function.
5951         (Object::do_get_global_symbol_counts): New pure virtual function.
5952         (class Sized_relobj): Add defined_count_ field.  Update
5953         declarations.
5954         (class Input_objects): Add cref_ field.  Update constructor.
5955         Update declarations.
5956         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
5957         defined_count_.
5958         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
5959         symbol counts.
5960         (Sized_dynobj::do_get_global_symbol_counts): New function.
5961         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
5962         defined_count_.  Update declarations.  Define Symbols typedef.
5963         * symtab.cc (Symbol_table::add_from_relobj): Add defined
5964         parameter.  Change all callers.
5965         (Symbol_table::add_from_dynobj): Add sympointers and defined
5966         parameters.  Change all callers.
5967         * symtab.h (class Symbol_table): Update declarations.
5968         * Makefile.am (CCFILES): Add cref.cc.
5969         (HFILES): Add cref.h.
5970         * Makefile.in: Rebuild.
5972 2008-07-22  Simon Baldwin  <simonb@google.com>
5974         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
5975         to zero when writing undefined symbols.
5977 2008-07-22  Ian Lance Taylor  <iant@google.com>
5979         * output.cc (Output_section::add_input_section): Don't try to
5980         merge empty merge sections.
5982 2008-07-21  Craig Silverstein  <csilvers@google.com>
5984         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5985         Include symbol version in error message.
5987 2008-07-20  Chris Demetriou  <cgd@google.com>
5989         * configure.ac (gold_cv_c_random_seed): New configured variable.
5990         (RANDOM_SEED_CFLAGS): New substituted variable.
5991         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
5992         * configure: Rebuild.
5993         * Makefile.in: Likewise.
5994         * testsuite/Makefile.in: Likewise.
5996 2008-07-18  Ian Lance Taylor  <iant@google.com>
5998         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
5999         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6000         * testsuite/ver_test_main.cc (main): Call t4.
6001         (t4, t4_2a): Define.
6002         * testsuite/ver_test_2.cc (t4_2): Define.
6003         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6004         * testsuite/ver_test_4.cc (t4_2a): Define.
6005         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6006         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6008 2008-07-17  Ian Lance Taylor  <iant@google.com>
6010         * dynobj.cc (Versions::add_def): If we give an error about a
6011         missing version, go ahead and create the version anyhow.
6013 2008-07-10  Ian Lance Taylor  <iant@google.com>
6015         Handle output sections with more than 0x7fffffff bytes.
6016         * object.h (class Relobj): Change map_to_output_ to
6017         output_sections_, and just keep a section pointer.  Change all
6018         uses.  Move comdat group support to Sized_relobj.
6019         (Relobj::is_section_specially_mapped): Remove.
6020         (Relobj::output_section): Remove poff parameter.  Change all
6021         callers.
6022         (Relobj::output_section_offset): New function.
6023         (Relobj::set_section_offset): Rewrite.
6024         (Relobj::map_to_output): Remove.
6025         (Relobj::output_sections): New function.
6026         (Relobj::do_output_section_offset): New pure virtual function.
6027         (Relobj::do_set_section_offset): Likewise.
6028         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6029         group support from Relobj.  Update declarations.
6030         (Sized_relobj::get_output_section_offset): New function.
6031         (Sized_relobj::do_output_section_offset): New function.
6032         (Sized_relobj::do_set_section_offset): New function.
6033         * object.cc (Relobj::output_section_address): Remove.
6034         (Sized_relobj::Sized_relobj): Initialize new fields.
6035         (Sized_relobj::include_section_group): Cast find_kept_object to
6036         Sized_relobj.
6037         (Sized_relobj::include_linkonce_section): Likewise.
6038         (Sized_relobj::do_layout): Use separate arrays for output section
6039         and output offset.
6040         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6041         output_sections.
6042         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6043         output_sections and section_offsets.
6044         (Sized_relobj::write_local_symbols): Likewise.
6045         (map_to_kept_section): Compute output address directly.
6046         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6047         output_sections and section_offsets.
6048         (Sized_relobj::write_sections): Likewise.
6049         (Sized_relobj::relocate_sections): Likewise.
6050         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6051         * output.h (class Output_reloc): Update declarations.  Change
6052         u2_.relobj to Sized_relobj*.
6053         (class Output_data_reloc): Change add functions to use
6054         Sized_relobj*.
6055         * output.cc (Output_reloc::Output_reloc): Change relobj to
6056         Sized_relobj*.
6057         (Output_reloc::local_section_offset): Change return type to
6058         Elf_Addr.  Use get_output_section_offset.
6059         (Output_reloc::get_address): Likewise.
6060         (Output_section::is_input_address_mapped): Don't call
6061         is_section_specially_mapped.
6062         (Output_section::output_offset): Likewise.
6063         (Output_section::output_address): Likewise.
6064         (Output_section::starting_output_address): Likewise.
6065         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6066         parameter to Sized_relobj*.
6067         (Copy_relocs::need_copy_reloc): Likewise.
6068         (Copy_relocs::save): Likewise.
6069         * copy-relocs.h (class Copy_relocs): Update declarations.
6070         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6071         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6072         * target-reloc.h (relocate_for_relocatable): Change
6073         offset_in_output_section type to Elf_Addr.  Change code that uses
6074         it as well.
6075         * layout.cc (Layout::layout): Always set *off.
6076         * mapfile.cc (Mapfile::print_input_section): Use
6077         output_section_offset.
6078         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6079         Sized_relobj*.
6080         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6081         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6082         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6084 2008-07-03  Ian Lance Taylor  <iant@google.com>
6086         * layout.cc (Layout::include_section): Do not discard unrecognized
6087         SHT_STRTAB sections.
6089 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6091         * script.cc (Lex::can_continue_name): Make '?' allowable in
6092         version-script names.
6093         * testsuite/version_script.map: Change glob pattern to use '?'
6095 2008-06-30  Manish Singh  <yosh@gimp.org>
6097         PR 6585
6098         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6099         Correct typo.
6101 2008-06-30  Ian Lance Taylor  <iant@google.com>
6103         PR 6660
6104         PR 6682
6105         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6106         versions]: Don't try to read the value in the contents, since we
6107         don't use it.  Use the template endianness when writing.
6109 2008-06-25  Cary Coutant  <ccoutant@google.com>
6111         * fileread.cc (File_read::make_view): Assert on zero-length view.
6112         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6113         symbol table when there are no symbols to read.
6115 2008-06-23  Craig Silverstein  <csilvers@google.com>
6117         * version.cc (version_string): Bump to 1.7
6119 2008-06-18  Craig Silverstein  <csilvers@google.com>
6121         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6122         constant 0xFFFF to type Valtype.
6123         (Powerpc_relocate_functions::rel16_ha): Likewise.
6125 2008-06-17  Ian Lance Taylor  <iant@google.com>
6127         * output.h (Output_section::Input_section): Initialize p2align_ to
6128         zero for Output_section_data constructors.
6129         (Output_section::Input_section::addralign): If not an input
6130         section, return the alignment of the Output_section_data.
6131         * testsuite/copy_test.cc: New file.
6132         * testsuite/copy_test_1.cc: New file.
6133         * testsuite/copy_test_2.cc: New file.
6134         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6135         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6136         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6137         (copy_test_1_pic.o, copy_test_1.so): New targets.
6138         (copy_test_2_pic.o, copy_test_2.so): New targets.
6139         * testsuite/Makefile.in: Rebuild.
6141         * script-sections.cc (Script_sections::place_orphan): Initialize
6142         local variable exact.
6144 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6146         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6148 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6149             David S. Miller  <davem@davemloft.net>
6151         * powerpc.cc: New file.
6152         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6153         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6154         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6155         * Makefile.in: Rebuild.
6157 2008-06-09  Ian Lance Taylor  <iant@google.com>
6159         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6160         <exception>.
6161         (throwing, orig_terminate): New static variables.
6162         (terminate_handler): New static function.
6163         (t2): Set terminate handler.
6165 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6167         PR 6584
6168         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6169         alignment.
6171 2008-05-30  Cary Coutant  <ccoutant@google.com>
6173         * archive.cc (Archive::include_all_members) Correct to step
6174         over symbol table and extended name table in thin archives.
6176 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6178         PR 6407
6179         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6180         calculation.
6182 2008-05-28  Caleb Howe  <cshowe@google.com>
6184         * reduced_debug_output.cc: New file.
6185         * reduced_debug_output.h: New file.
6186         * options.h (class General_options): Add --strip-debug-non-line.
6187         * options.cc (General_options::finalize): Add strip_debug_non_line
6188         to the strip heirarchy.
6189         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6190         fields.
6191         * layout.cc: Include "reduced_debug_output.h".
6192         (Layout::Layout): Initialize new fields.
6193         (line_only_debug_sections): New static array.
6194         (is_lines_only_debug_sections): New static inline function.
6195         (Layout::include_section): Handle --strip-debug-non-line.
6196         (Layout::make_output_section): If --strip-debug-non-line, build
6197         new output sections for .debug_abbrev and .debug_info.
6198         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6199         gold.  Warn about possible overflow.
6200         (read_signed_LEB_128): Likewise.
6201         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6202         (read_signed_LEB_128): Declare.
6203         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6204         (HFILES): Add reduced_debug_output.h.
6205         * Makefile.in: Rebuild.
6207 2008-05-21  Ian Lance Taylor  <iant@google.com>
6209         * mapfile.cc: New file.
6210         * mapfile.h: New file.
6211         * options.h (class General_options): Add -M/--print-map and -Map.
6212         * options.cc (General_options::finalize): Make -M equivalent to
6213         -Map -.
6214         * main.cc: Include <cstdio> and "mapfile.h".
6215         (main): Open mapfile if requested.
6216         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6217         constructor.  Change caller.
6218         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6219         (queue_middle_tasks): Likewise.
6220         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6221         declarations.
6222         * archive.cc: Include "mapfile.h".
6223         (Archive::add_symbols): Add mapfile parameter.  Change all
6224         callers.  Pass mapfile, symbol, and reason to include_member.
6225         (Archive::include_all_members): Add mapfile parameter.  Change all
6226         callers.
6227         (Archive::include_member): Add mapfile, sym, and why parameters.
6228         Change all callers.  Report inclusion to map file.
6229         * archive.h: Include "fileread.h".
6230         (class Archive): Update declarations.
6231         (Archive::file): New const method.
6232         (class Add_archive_symbols): Add mapfile_ field.  Update
6233         constructor.  Change all callers.
6234         * readsyms.h (class Read_symbols): Likewise.
6235         (class Finish_group): Likewise.
6236         (class Read_script): Likewise.
6237         * common.cc: Include "mapfile.h".
6238         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6239         all callers.
6240         (Symbol_table::do_allocate_commons): Likewise.
6241         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6242         symbol allocation to mapfile.
6243         * common.h (class Allocate_commons_task): Add mapfile_ field.
6244         Update constructor.  Change all callers.
6245         * symtab.h (class Symbol_table): Update declarations.
6246         * layout.cc: Include "mapfile.h".
6247         (Layout_task_runner::run): Print information to mapfile.
6248         (Layout::create_gold_note): Change Output_data_fixed_space to
6249         Output_data_zero_fill.
6250         (Layout::create_build_id): Likewise.
6251         (Layout::print_to_mapfile): New function.
6252         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6253         constructor.  Change caller.
6254         (class Layout): Declare print_to_mapfile.
6255         * output.cc (Output_section::Input_section::print_to_mapfile): New
6256         function.
6257         (Output_section::add_input_section): If producing a map, always
6258         add to input_sections_ list.
6259         (Output_section::do_print_to_mapfile): New function.
6260         (Output_segment::print_sections_to_mapfile): New function.
6261         (Output_segment::print_section_list_to_mapfile): New function.
6262         * output.h: Include "mapfile.h".
6263         (Output_data::print_to_mapfile): New function.
6264         (Output_data::do_print_to_mapfile): New virtual function.
6265         (Output_segment_headers::do_print_to_mapfile): New function.
6266         (Output_file_header::do_print_to_mapfile): New function.
6267         (Output_data_const::do_print_to_mapfile): New function.
6268         (class Output_data_const_buffer): Add map_name_ field.  Update
6269         constructor.  Change all callers.  Add do_print_to_mapfile
6270         function.
6271         (class Output_data_fixed_space): Likewise.
6272         (class Output_data_space): Likewise.
6273         (class Output_data_zero_fill): New class.
6274         (Output_data_strtab::do_print_to_mapfile): New function.
6275         (Output_data_reloc_base::do_print_to_mapfile): New function.
6276         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6277         (Output_data_group::do_print_to_mapfile): New function.
6278         (Output_data_got::do_print_to_mapfile): New function.
6279         (Output_data_dynamic::do_print_to_mapfile): New function.
6280         (Output_symtab_xindex::do_print_to_mapfile): New function.
6281         (class Output_section): Declare do_print_to_mapflie.  Declare
6282         print_to_mapfile in Input_section.
6283         (class Output_segment): Declare new functions.
6284         * object.h (Sized_relobj::symbol_count): New function.
6285         * script-sections.cc
6286         (Output_section_element_dot_assignment::set_section_addresses):
6287         Change Output_data_fixed_space to Output_data_zero_fill.
6288         (Output_data_expression::do_print_to_mapfile): New function.
6289         * script.cc (read_input_script): Add mapfile parameter.  Change
6290         all callers.
6291         * script.h (read_input_script): Update declaration.
6292         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6293         (Eh_frame::do_print_to_mapfile): New function.
6294         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6295         (Output_merge_string::do_print_to_mapfile): New function.
6296         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6297         function.
6298         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6299         function.
6300         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6301         function.
6302         * Makefile.am (CCFILES): Add mapfile.cc.
6303         (HFILES): Add mapfile.h.
6304         * Makefile.in: Rebuild.
6306 2008-05-19  Ian Lance Taylor  <iant@google.com>
6308         * options.h (class General_options): Add -z relro.
6309         * layout.cc (Layout::Layout): Initialize relro_segment_.
6310         (Layout::add_output_section_data): Return the output section.
6311         (Layout::make_output_section): Rcognize relro sections and mark
6312         them appropriately.
6313         (Layout::attach_allocated_section_to_segment): Put relro sections
6314         in a PT_GNU_RELRO segment.
6315         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6316         section as relro.
6317         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6318         PT_TLS segments.
6319         (Layout::linkonce_mapping): Map d.rel.ro.local to
6320         .data.rel.ro.local.
6321         (Layout::output_section_name): Us .data.rel.ro.local for any
6322         section which begins with that.
6323         * layout.h (class Layout): Update add_output_section_data
6324         declaration.  Add relro_segment_ field.
6325         * output.cc (Output_section::Output_section): Initialize is_relro_
6326         and is_relro_local_ fields.
6327         (Output_segment::add_output_section): Group relro sections.
6328         (Output_segment::is_first_section_relro): New function.
6329         (Output_segment::maximum_alignment): If there is a relro section,
6330         align the segment to the common page size.
6331         (Output_segment::set_section_addresses): Track whether we are
6332         looking at relro sections.  If the last section is a relro
6333         section, align to the common page size.
6334         (Output_segment::set_section_list_addresses): Add in_relro
6335         parameter.  Change all callers.  Align to the page size when
6336         moving from relro to non-relro section.
6337         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6338         segment.
6339         * output.h (class Output_section): Add is_relro_ and
6340         is_relro_local_ fields.
6341         (Output_section::is_relro): New function.
6342         (Output_section::set_is_relro): New function.
6343         (Output_section::is_relro_local): New function.
6344         (Output_section::set_is_relro_local): New function.
6345         (class Output_segment): Update declarations.
6346         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6347         * sparc.cc (Target_sparc::got_section): Likewise.
6348         * x86_64.cc (Target_x86_64::got_section): Likewise.
6349         * testsuite/relro_test_main.cc: New file.
6350         * testsuite/relro_test.cc: New file.
6351         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6352         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6353         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6354         (relro_test.so, relro_test_pic.o): New targets.
6355         * testsuite/Makefile.in: Rebuild.
6357 2008-05-16  Ian Lance Taylor  <iant@google.com>
6359         * output.cc (Output_segment::add_output_section): Remove front
6360         parameter.
6361         * output.h (class Output_segment): Remove
6362         add_initial_output_section and overloaded add_output_section.
6363         Update declaration of remaining add_output_section.
6364         * layout.cc (Layout::create_interp): Call add_output_section
6365         rather than add_initial_output_section.
6366         (Layout::finish_dynamic_section): Likewise.
6368         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6369         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6370         know the dynamic type.
6371         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6372         field.  Initialize it in constructor.
6373         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6374         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6375         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6376         reloc.
6378         * output.cc (Output_reloc::get_address): Change return type to
6379         Elf_Addr.
6380         * output.h (class Output_reloc): Update get_address declaration.
6381         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6382         for section addresses.
6384 2008-05-09  Ian Lance Taylor  <iant@google.com>
6386         PR 6493
6387         * gold.cc (gold_nomem): Use return value of write.
6389 2008-05-08  Ian Lance Taylor  <iant@google.com>
6391         * symtab.c (Symbol::init_base_output_data): Add version
6392         parameter.  Change all callers.
6393         (Symbol::init_base_output_segment): Likewise.
6394         (Symbol::init_base_constant): Likewise.
6395         (Symbol::init_base_undefined): Likewise.
6396         (Sized_symbol::init_output_data): Likewise.
6397         (Sized_symbol::init_output_segment): Likewise.
6398         (Sized_symbol::init_constant): Likewise.
6399         (Sized_symbol::init_undefined): Likewise.
6400         (Symbol_table::do_define_in_output_data): If the new symbol has a
6401         version, mark it as the default.
6402         (Symbol_table::do_define_in_output_segment): Likewise.
6403         (Symbol_table::do_define_as_constant): Likewise.
6404         * symtab.h (class Symbol): Update declarations.
6405         (class Sized_symbol): Likewise.
6406         * resolve.cc (Symbol::override_version): New function.
6407         (Symbol::override_base): Call override_version.
6408         (Symbol::override_base_with_special): Likewise.
6409         * testsuite/ver_script_8.script: New file.
6410         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6411         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6412         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6413         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6415 2008-05-06  Ian Lance Taylor  <iant@google.com>
6417         PR 6049
6418         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6419         functions.
6420         (class General_options): Remove existing --undefined, and add
6421         --no-undefined instead.  Add new --undefined as synonym for -u.
6422         * archive.cc (Archive::add_symbols): Check whether symbol was
6423         named with -u.
6424         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6425         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6426         all uses.  Add IS_UNDEFINED.  Update declarations to split
6427         different versions of init_base.  Declare init_base_undefined.
6428         (Symbol::is_defined): Handle IS_UNDEFINED.
6429         (Symbol::is_undefined): Likewise.
6430         (Symbol::is_weak_undefined): Call is_undefined.
6431         (Symbol::is_absolute): Handle IS_CONSTANT.
6432         (class Sized_symbol): Update declarations to split different
6433         versions of init.  Declare init_undefined.
6434         (class Symbol_table): Declare new functions.
6435         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6436         Change all callers.
6437         (Symbol::init_base_output_data): Likewise.
6438         (Symbol::init_base_output_segment): Likewise.
6439         (Symbol::init_base_constant): Likewise.
6440         (Symbol::init_base_undefined): New function.
6441         (Sized_symbol::init_object): Rename from init.  Change all
6442         callers.
6443         (Sized_symbol::init_output_data): Likewise.
6444         (Sized_symbol::init_output_segment): Likewise.
6445         (Sized_symbol::init_constant): Likewise.
6446         (Sized_symbol::init_undefined): New function.
6447         (Symbol_table::add_undefined_symbols_from_command_line): New
6448         function.
6449         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6450         function.
6451         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6452         (Symbol::output_section): Likewise.
6453         (Symbol::set_output_section): Likewise.
6454         (Symbol_table::sized_finalize_symbol): Likewise.
6455         (Symbol_table::sized_write_globals): Likewise.
6456         * resolve.cc (Symbol_table::should_override): Likewise.
6457         (Symbol::override_base_with_special): Likewise.
6459         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6460         symbol, change it to have default visibility.
6461         * testsuite/protected_1.cc: New file.
6462         * testsuite/protected_2.cc: New file.
6463         * testsuite/protected_3.cc: New file.
6464         * testsuite/protected_main_1.cc: New file.
6465         * testsuite/protected_main_2.cc: New file.
6466         * testsuite/protected_main_3.cc: New file.
6467         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6468         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6469         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6470         (protected_1.so): New target.
6471         (protected_1_pic.o, protected_2_pic.o): New targets.
6472         (protected_3_pic.o): New target.
6473         (check_PROGRAMS): Add protected_2.
6474         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6475         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6476         * testsuite/Makefile.in: Rebuild.
6478         * options.h (DEFINE_var): Add set_user_set_##varname__.
6479         (DEFINE_bool_alias): New macro.
6480         (class General_options): Define -Bstatic using DEFINE_bool_alias
6481         rather than DEFINE_special.  Add --undefined as an alias for -z
6482         defs.
6483         * options.cc (General_options::parse_Bstatic): Remove.
6485         * options.h (class General_options): Add --fatal-warnings.
6486         * main.cc (main): Implement --fatal-warnings.
6487         * errors.h (Errors::warning_count): New function.
6489         * options.h (class General_options): Add -Bsymbolic-functions.
6490         * symtab.h (Symbol::is_preemptible): Check for
6491         -Bsymbolic-functions.
6493 2008-05-05  Ian Lance Taylor  <iant@google.com>
6495         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6496         as noVARNAME rather than no-VARNAME.
6497         (class General_options): Add option -z combreloc.
6498         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6499         get_address.
6500         (Output_reloc::sort_before) [SHT_REL]: New function.
6501         (Output_reloc::sort_before) [SHT_RELA]: New function.
6502         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6503         Sort_relocs_comparison.
6504         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6505         parameter.  Change all callers.
6506         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6507         sort_relocs parameter.  Change all callers.
6508         * output.cc (Output_reloc::get_address): New function, broken out
6509         of write_rel.
6510         (Output_reloc::write_rel): Call it.
6511         (Output_reloc::compare): New function.
6512         (Output_data_reloc_base::do_write): Optionally sort relocs.
6514         * configure.ac: If targ_extra_obj is set, link it in.
6515         * configure.tgt: Initialize all variables.
6516         (x86_64*): Set targ_extra_obj and targ_extra_size.
6517         * configure: Rebuild.
6519         * object.cc (Sized_relobj::include_section_group): Adjust section
6520         indexes read from group data.  Build vector to pass to
6521         layout_group.
6522         * layout.cc (Layout::layout_group): Add flags and shndxes
6523         parameters.  Remove contents parameter.  Change caller.  Update
6524         explicit instantiations.
6525         * layout.h (class Layout): Update layout_group declaration.
6526         * output.cc (Output_data_group::Output_data_group): Add flags and
6527         input_shndxes parameters.  Remove contents parameter.  Change
6528         caller.
6529         (Output_data_group::do_write): Change input_sections_ to
6530         input_shndxes_.
6531         * output.h (class Output_data_group): Update constructor
6532         declaration.  Rename input_sections_ to input_shndxes_.
6533         * testsuite/many_sections_test.cc: Add template.
6535 2008-04-30  Cary Coutant  <ccoutant@google.com>
6537         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6539         * layout.cc (Layout::include_section): Refactored check for debug
6540         info section.
6541         (Layout::add_comdat): Add new parameters.  Change type
6542         of signature parameter.  Add object and shndx to signatures table.
6543         (Layout::find_kept_object): New function.
6544         * layout.h: Include <cstring>.
6545         (Layout::is_debug_info_section): New function.
6546         (Layout::add_comdat): Add new parameters.
6547         (Layout::find_kept_object): New function.
6548         (Layout::Kept_section): New struct.
6549         (Layout::Signatures): Change type of map range.
6550         * object.cc (Relobj::output_section_address): New function.
6551         (Sized_relobj::include_section_group): Add new parameters.  Change
6552         calls to Layout::add_comdat.  Change to build table of kept comdat
6553         groups and table mapping discarded sections to kept sections.
6554         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6555         (Sized_relobj::do_layout): Change calls to include_section_group and
6556         include_linkonce_section.
6557         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6558         value to zero when section is discarded.
6559         (Sized_relobj::map_to_kept_section): New function.
6560         * object.h (Relobj::output_section_address): New function.
6561         (Relobj::Comdat_group): New type.
6562         (Relobj::find_comdat_group): New function.
6563         (Relobj::Comdat_group_table): New type.
6564         (Relobj::Kept_comdat_section): New type.
6565         (Relobj::Kept_comdat_section_table): New type.
6566         (Relobj::add_comdat_group): New function.
6567         (Relobj::set_kept_comdat_section): New function.
6568         (Relobj::get_kept_comdat_section): New function.
6569         (Relobj::comdat_groups_): New field.
6570         (Relobj::kept_comdat_sections_): New field.
6571         (Symbol_value::input_value): Update comment.
6572         (Sized_relobj::map_to_kept_section) New function.
6573         (Sized_relobj::include_linkonce_section): Add new parameter.
6574         * target-reloc.h (Comdat_behavior): New type.
6575         (get_comdat_behavior): New function.
6576         (relocate_section): Add code to map a discarded section to the
6577         corresponding kept section when applying a relocation.
6579 2008-04-30  Craig Silverstein  <csilvers@google.com>
6581         * dwarf_reader.cc (next_generation_count): New static var.
6582         (Addr2line_cache_entry): New struct.
6583         (addr2line_cache): New static var.
6584         (Dwarf_line_info::one_addr2line): Added caching.
6585         (Dwarf_line_info::clear_addr2line_cache): New function.
6586         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6587         cache-size parameter.
6588         (Dwarf_line_info::one_addr2line_cache): New function.
6589         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6590         new cache-size argument to one_addr2line(), and clear cache.
6592 2008-04-28  Cary Coutant  <ccoutant@google.com>
6594         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6595         R_386_PC8 relocations.
6597 2008-04-23  Ian Lance Taylor  <iant@google.com>
6599         * object.cc (Sized_relobj::include_section_group): Check for
6600         invalid section group.
6602         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6603         header size.
6605         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6606         than read for file header.
6607         * archive.cc (Archive::include_member): Likewise.
6609 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6611         * aclocal.m4: Regenerate.
6612         * configure: Regenerate.
6614 2008-04-19  Ian Lance Taylor  <iant@google.com>
6616         * version.cc (version_string): Bump to 1.6.
6618         * testsuite/Makefile.am (many_sections_r_test): New target.
6619         (many_sections_r_test_SOURCES): Remove.
6620         (many_sections_r_test_DEPENDENCIES): Remove.
6621         (many_sections_r_test_LDFLAGS): Remove.
6622         (many_sections_r_test_LDADD): Remove.
6624         * object.cc (Sized_relobj::do_add_symbols): Always pass
6625         local_symbol_count_ to add_from_relobj.
6627         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6628         every thousand variables.
6629         * testsuite/Makefile.in: Rebuild.
6631         * object.cc (Xindex::initialize_symtab_xindex): New function.
6632         (Xindex::read_symtab_xindex): New function.
6633         (Xindex::sym_xindex_to_shndx): New function.
6634         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6635         available.
6636         (Sized_relobj::do_initialize_xindex): New function.
6637         (Sized_relobj::do_read_symbols): Adjust section links.
6638         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6639         parameter.  Change all callers.
6640         (Sized_relobj::include_section_group): Adjust section links and
6641         symbol section indexes.
6642         (Sized_relobj::do_layout): Adjust section links.
6643         (Sized_relobj::do_count_local_symbols): Adjust section links and
6644         symbol section indexes.
6645         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6646         ordinary and special symbols.
6647         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6648         dynsym_xindex parameters.  Change all callers.  Adjust section
6649         links.  Use SHN_XINDEX when needed.
6650         (Sized_relobj::get_symbol_location_info): Adjust section links.
6651         Don't get fooled by special symbols.
6652         * object.h (class Xindex): Define.
6653         (class Object): Add xindex_ parameter.  Declare virtual functoin
6654         do_initialize_xindex.
6655         (Object::adjust_sym_shndx): New function.
6656         (Object::set_xindex): New protected function.
6657         (class Symbol_value): Add is_ordinary_shndx_ field.
6658         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6659         (Symbol_value::value): Assert ordinary section.
6660         (Symbol_value::initialize_input_to_output_map): Likewise.
6661         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6662         Change all callers.
6663         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6664         all callers.
6665         (class Sized_relobj): Update declarations.
6666         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6667         parameter.  Change all callers.
6668         (Sized_relobj::adjust_shndx): New function.
6669         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6670         field.
6671         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6672         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6673         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6674         (Sized_dynobj::read_dynsym_section): Adjust section links.
6675         (Sized_dynobj::read_dynamic): Likewise.
6676         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6677         section links.
6678         (Sized_dynobj::do_initialize_xindex): New function.
6679         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6680         do_initialize_xindex.
6681         (Sized_dynobj::adjust_shndx): New function.
6682         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6683         dynsym_xindex_ fields.
6684         (Layout::finalize): Add a call to set_section_indexes before
6685         creating the symtab sections.
6686         (Layout::set_section_indexes): Don't do anything if the section
6687         already has a section index.
6688         (Layout::create_symtab_sections): Add shnum parameter.  Change
6689         caller.  Create .symtab_shndx section if needed.
6690         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6691         caller.
6692         (Layout::allocated_output_section_count): New function.
6693         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6694         needed.
6695         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6696         fields.  Update declarations.
6697         (Layout::symtab_xindex): New function.
6698         (Layout::dynsym_xindex): New function.
6699         (class Write_symbols_task): Add layout_ field.
6700         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6701         Change caller.
6702         * output.cc (Output_section_headers::Output_section_headers): Add
6703         shstrtab_section parameter.  Change all callers.
6704         (Output_section_headers::do_sized_write): Store overflow values
6705         for section count and section string table section index in
6706         section header zero.
6707         (Output_file_header::do_sized_write): Check for overflow of
6708         section count and section string table section index.
6709         (Output_symtab_xindex::do_write): New function.
6710         (Output_symtab_xindex::endian_do_write): New function.
6711         * output.h (class Output_section_headers): Add shstrtab_section_.
6712         Update declarations.
6713         (class Output_symtab_xindex): Define.
6714         (Output_section::has_out_shndx): New function.
6715         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6716         field.
6717         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6718         Change all callers.
6719         (Sized_symbol::init): Likewise.
6720         (Symbol::output_section): Check for ordinary symbol.
6721         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
6722         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
6723         callers.
6724         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6725         Change all callers.  Simplify handling of symbols from sections
6726         not included in the link.
6727         (Symbol_table::add_from_dynobj): Handle ordinary symbol
6728         distinction.
6729         (Weak_alias_sorter::operator()): Assert that symbols are
6730         ordinary.
6731         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6732         distinction.
6733         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6734         parameters.  Change all callers.
6735         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
6736         symbol distinction.  Use SHN_XINDEX when needed.
6737         (Symbol_table::write_section_symbol): Add symtab_xindex
6738         parameter.  Change all callers.
6739         (Symbol_table::sized_write_section_symbol): Likewise.  Use
6740         SHN_XINDEX when needed.
6741         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
6742         declarations.
6743         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
6744         (Symbol::is_defined): Check is_ordinary.
6745         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6746         (Symbol::is_absolute, Symbol::is_common): Likewise.
6747         (class Sized_symbol): Update declarations.
6748         (class Symbol_table): Update declarations.
6749         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6750         parameters.  Change all callers.
6751         (Sized_symbol::override): Likewise.
6752         (Symbol_table::override): Likewise.
6753         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
6754         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
6755         is_ordinary, and orig_st_shndx parameters.  Change all callers.
6756         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6757         to be in an ordinary section.
6758         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6759         object and is_ordinary parameters.  Change all callers.
6760         (Sized_dwarf_line_info::read_relocs): Add object parameter.
6761         Change all callers.  Don't add undefined or non-ordinary symbols
6762         to reloc_map_.
6763         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6764         Change all callers.
6765         * dwarf_reader.h (class Sized_dwarf_line_info): Update
6766         declarations.
6767         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6768         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6769         (Sized_relobj::relocate_sections): Likewise.
6770         * target-reloc.h (scan_relocs): Adjust section symbol index.
6771         (scan_relocatable_relocs): Likewise.
6772         * i386.cc (Scan::local): Check for ordinary symbols.
6773         * sparc.cc (Scan::local): Likewise.
6774         * x86_64.cc (Scan::local): Likewise.
6775         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6776         to symbol_section_and_value.
6777         * testsuite/many_sections_test.cc: New file.
6778         * testsuite/Makefile.am (BUILT_SOURCES): Define.
6779         (check_PROGRAMS): Add many_sections_test.
6780         (many_sections_test_SOURCES): Define.
6781         (many_sections_test_DEPENDENCIES): Define.
6782         (many_sections_test_LDFLAGS): Define.
6783         (BUILT_SOURCES): Add many_sections_define.h.
6784         (many_sections_define.h): New target.
6785         (BUILT_SOURCES): Add many_sections_check.h.
6786         (many_sections_check.h): New target.
6787         (check_PROGRAMS): Add many_sections_r_test.
6788         (many_sections_r_test_SOURCES): Define.
6789         (many_sections_r_test_DEPENDENCIES): Define.
6790         (many_sections_r_test_LDFLAGS): Define.
6791         (many_sections_r_test_LDADD): Define.
6792         (many_sections_r_test.o): New target.
6793         * testsuite/Makefile.in: Rebuild.
6795 2008-04-17  Cary Coutant  <ccoutant@google.com>
6797         * errors.cc (Errors::info): New function.
6798         (gold_info): New function.
6799         * errors.h (Errors::info): New function.
6800         * gold.h (gold_info): New function.
6801         * object.cc (Input_objects::add_object): Print trace output.
6802         * options.cc (options::parse_set): New function.
6803         (General_options::parse_wrap): Deleted.
6804         (General_options::General_options): Deleted initializer.
6805         * options.h (options::String_set): New typedef.
6806         (options::parse_set): New function.
6807         (DEFINE_set): New macro.
6808         (General_options::wrap): Changed to use DEFINE_set. Changed
6809         callers of any_wrap_symbols and is_wrap_symbol.
6810         (General_options::trace, General_options::trace_symbol):
6811         New options.
6812         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6813         (General_options::wrap_symbols_): Deleted.
6814         * symtab.cc (Symbol_table::add_from_object): Print trace output.
6816 2008-04-17  David S. Miller  <davem@davemloft.net>
6818         * options.cc (General_options::parse_V): New function.
6819         * options.h: Add entries for -V and -Qy.
6821 2008-04-17  Ian Lance Taylor  <iant@google.com>
6823         * common.cc (Symbol_table::allocate_commons): Remove options
6824         parameter.  Change caller.
6825         (Symbol_table::do_allocate_commons): Remove options parameter.
6826         Change caller.  Just call do_allocate_commons_list twice.
6827         (Symbol_table::do_allocate_commons_list): New function, broken out
6828         of do_allocate_commons.
6829         * common.h (class Allocate_commons_task): Remove options_ field.
6830         Update constructor.
6831         * symtab.cc (Symbol_table::Symbol_table): Initialize
6832         tls_commons_.
6833         (Symbol_table::add_from_object): Put TLS common symbols on
6834         tls_commons_ list.
6835         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6836         which are IN_OUTPUT_DATA.
6837         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
6838         allocate_commons and do_allocate_commons declarations.  Declare
6839         do_allocate_commons_list.
6840         * gold.cc (queue_middle_tasks): Update creation of
6841         Allocate_commons_task to not pass options.
6842         * testsuite/Makefile.am (INCLUDES): Add -I.. .
6843         (TLS_TEST_C_FLAGS): New variable.
6844         (tls_test_c_pic.o): New target.
6845         (tls_test_shared.so): Link in tls_test_c_pic.o.
6846         (tls_test_c_pic_ie.o): New target.
6847         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6848         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6849         (tls_test_c.o): New target.
6850         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6851         (tls_pic_test_LDADD): Likewise.
6852         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6853         (tls_shared_gd_to_ie_test_LDADD): Likewise.
6854         (tls_test_c_gnu2.o): New target.
6855         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6856         tls_test_c_gnu2.o.
6857         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6858         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6859         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6860         * testsuite/tls_test.cc: Include "config.h".
6861         (t_last): Call t11_last.
6862         * testsuite/tls_test.h (t11, t11_last): Declare.
6863         * testsuite/tls_test_c.c: New file.
6864         * testsuite/tls_test_main.cc (thread_routine): Call t11.
6865         * configure.ac: Check for OpenMP support.
6866         * configure, config.in, Makefile.in: Rebuild.
6867         * testsuite/Makefile.in: Rebuild.
6869 2008-04-16  Cary Coutant  <ccoutant@google.com>
6871         * i386.cc (Target_i386::define_tls_base_symbol): New function.
6872         (Target_i386::tls_base_symbol_defined_): New field.
6873         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6874         (Target_i386::Scan::global): Likewise.
6875         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6876         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6877         (Target_x86_64::tls_base_symbol_defined_): New field.
6878         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6879         (Target_x86_64::Scan::global): Likewise.
6881 2008-04-16  Cary Coutant  <ccoutant@google.com>
6883         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6884         (Symbol::needs_plt_entry): Allow weak undefined symbols.
6885         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6886         building shared libraries.
6887         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6888         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6889         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6890         * testsuite/Makefile.in: Rebuild.
6891         * testsuite/weak_undef.h: New file.
6892         * testsuite/weak_undef_file1.cc: Add extra test cases.
6893         * testsuite/weak_undef_file2.cc: Likewise.
6894         * testsuite/weak_undef_test.cc: Likewise.
6896 2008-04-16  David S. Miller  <davem@davemloft.net>
6898         * sparc.cc (Target_sparc::Scan): Change from struct to class.
6899         Add issued_non_pic_error_ field.  Declare check_non_pic.
6900         (Target_sparc::Scan::check_non_pic): New function.
6901         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6902         (Target_sparc::Scan::global): Likewise.
6904         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6905         * configure: Rebuild.
6907         * options.h (DEFINE_enable): New macro.
6908         (new_dtags): New enable option.
6909         (initfirst, interpose, loadfltr, nodefaultlib,
6910         nodelete, nodlopen, nodump): New -z options.
6911         * layout.cc (Layout:finish_dynamic_section): If new
6912         dtags enabled, emit DT_RUNPATH.  Also, emit a
6913         DT_FLAGS_1 containing any specified -z flags.
6915 2008-04-16  Ian Lance Taylor  <iant@google.com>
6917         * copy-relocs.cc: New file.
6918         * copy-relocs.h: New file.
6919         * reloc.cc: Remove Copy_relocs code.
6920         * reloc.h: Likewise.
6921         * reloc-types.h (struct Reloc_types) [both versions]: Add
6922         get_reloc_addend_noerror.
6923         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6924         variants of add_global which take an addend which must be zero.
6925         * i386.cc: Include "copy-relocs.h".
6926         (class Target_i386): Change type of copy_relocs_ to variable,
6927         update initializer.
6928         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6929         Change all callers.
6930         (Target_i386::do_finalize_sections): Change handling of
6931         copy_relocs_.
6932         * sparc.cc: Include "copy-relocs.h".
6933         (class Target_sparc): Change type of copy_relocs_ to variable,
6934         update initializer.
6935         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6936         Change all callers.
6937         (Target_sparc::do_finalize_sections): Change handling of
6938         copy_relocs_.
6939         * x86_64.cc: Include "copy-relocs.h".
6940         (class Target_x86_64): Change type of copy_relocs_ to variable,
6941         update initializer.
6942         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6943         class.  Change all callers.
6944         (Target_x86_64::do_finalize_sections): Change handling of
6945         copy_relocs_.
6946         * Makefile.am (CCFILES): Add copy-relocs.cc.
6947         (HFILES): Add copy-relocs.h.
6949         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6951         * testsuite/script_test_4.sh: Permit leading zeroes.
6953 2008-04-15  Ian Lance Taylor  <iant@google.com>
6955         * script-sections.cc (Script_sections::create_segments): Use
6956         header_size_adjustment even when there is enough room for the
6957         headers.
6958         * testsuite/script_test_4.sh: New file.
6959         * testsuite/script_test_4.t: New file.
6960         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
6961         (check_DATA): Add script_test_4.stdout.
6962         (MOSTLYCLEANFILES): Likewise.
6963         (script_test_4): New target.
6964         (script_test_4.stdout): New target.
6965         * testsuite/Makefile.in: Rebuild.
6967         * sparc.cc: Add definitions for Output_data_plt_sparc class
6968         constants.
6970 2008-04-14  David S. Miller  <davem@davemloft.net>
6972         * sparc.cc: New file.
6973         * Makefile.am (TARGETSOURCES): Add sparc.cc
6974         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
6975         * configure.tgt: Document targ_extra_size and
6976         targ_extra_big_endian.  Add entries for sparc-* and
6977         sparc64-*.
6978         * configure.ac: Handle targ_extra_size and
6979         targ_extra_big_endian.
6980         * Makefile.in: Rebuild.
6981         * configure: Likewise.
6982         * po/POTFILES.in: Likewise.
6983         * po/gold.pot: Likewise.
6985 2008-04-14  Ian Lance Taylor  <iant@google.com>
6987         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
6988         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
6989         in the name/type/flags to section mapping.  Don't call
6990         allocate_output_section.
6991         (Layout::choose_output_section): Change parameter from adjust_name
6992         to is_input_section.  Don't permit input sections after sections
6993         are attached to segments.  Don't call allocate_output_section.
6994         (Layout::layout_eh_frame): Call update_flags_for_input_section,
6995         not write_enable_output_section.
6996         (Layout::make_output_section): Don't push to
6997         unattached_section_list_ nor call attach_to_segment.  Call
6998         attach_section_to_segment if sections are attached.
6999         (Layout::attach_sections_to_segments): New function.
7000         (Layout::attach_section_to_segment): New function.
7001         (Layout::attach_allocated_section_to_segment): Rename from
7002         attach_to_segment.  Remove flags parameter.
7003         (Layout::allocate_output_section): Remove function.
7004         (Layout::write_enable_output_section): Remove function.
7005         * layout.h (class Layout): Update for above changes.  Add new
7006         field sections_are_attached_.
7007         * output.h (Output_section::update_flags_for_input_section): New
7008         function.
7009         * output.cc (Output_section::add_input_section): Call
7010         update_flags_for_input_section.
7011         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7013 2008-04-11  Cary Coutant  <ccoutant@google.com>
7015         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7016         thought unnecessary.
7017         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7019 2008-04-11  Ian Lance Taylor  <iant@google.com>
7021         * output.h (class Output_section_data): Remove inline definition
7022         of set_addralign.
7023         * output.cc (Output_section_data::set_addralign): New function.
7025 2008-04-11  Cary Coutant  <ccoutant@google.com>
7027         Add support for TLS descriptors for i386 and x86_64.
7028         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7029         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7030         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7031         GOT_TYPE_TLS_DESC.
7032         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7033         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7034         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7035         relocations.
7036         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7037         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7038         Fix problem with initial-exec relocations.
7039         (Target_i386::Relocate::relocate_tls): Likewise.
7040         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7041         relaxation.
7042         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7043         support for section-plus-offset dynamic table entries.
7044         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7045         (Output_data_dynamic::Dynamic_entry): Add support for
7046         section-plus-offset dynamic table entries.
7047         (Output_data_dynamic::Classification): Likewise.
7048         (Output_data_dynamic::classification_): Renamed offset_.
7049         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7050         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7051         (Target_x86_64::make_plt_section): New function.
7052         (Target_x86_64::reserve_tlsdesc_entries): New function.
7053         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7054         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7055         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7056         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7057         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7058         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7059         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7060         add extra PLT entry for TLS descriptors.
7061         (Output_data_plt_x86_64::got_): New field.
7062         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7063         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7064         fields.
7065         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7066         descriptors.
7067         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7068         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7069         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7070         R_386_TLS_DESC_CALL relocations.
7071         (Target_x86_64::Scan::global): Likewise.
7072         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7073         for TLS descriptors.
7074         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7075         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7076         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7077         GD-to-IE relaxation.
7078         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7079         and TLS_DESCRIPTORS.
7080         * Makefile.in: Rebuild.
7081         * configure: Rebuild.
7082         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7083         (tls_test_shared2.so): New target.
7084         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7085         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7086         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7087         (tls_shared_gd_to_ie_test_LDADD): New variable.
7088         (tls_shared_gnu2_gd_to_ie_test): New target.
7089         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7090         New targets.
7091         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7092         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7093         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7094         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7095         (tls_shared_gnu2_test): New target.
7096         (tls_test_gnu2_shared.so): New target.
7097         (tls_shared_gnu2_test_SOURCES): New variable.
7098         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7099         (tls_shared_gnu2_test_LDFLAGS): New variable.
7100         (tls_shared_gnu2_test_LDADD): New variable.
7101         * testsuite/Makefile.in: Rebuild.
7102         * testsuite/Makefile.
7104 2008-04-11  Ian Lance Taylor  <iant@google.com>
7106         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7107         justsyms.t.
7108         * testsuite/Makefile.in: Rebuild.
7110         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7111         long.
7112         * testsuite/script_test_2.cc (main): Adjust test.
7114 2008-04-11  David S. Miller  <davem@davemloft.net>
7115             Ian Lance Taylor  <iant@google.com>
7117         * options.h (General_options): Add entries for '-Y' and
7118         '-relax'.
7119         * options.cc (General_options:finalize): If -Y was used, add those
7120         entries to the library path instead of the default "/lib" and
7121         "/usr/lib".
7123 2008-04-11  David S. Miller  <davem@davemloft.net>
7125         * testsuite/justsyms.t: Start at 0x100.
7126         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7127         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7128         long.
7129         * testsuite/script_test_2.cc: Adjust string and section length
7130         checks.
7132 2008-04-09  Ian Lance Taylor  <iant@google.com>
7134         PR gold/5996
7135         * script-sections.cc (Sections_element::allocate_to_segment): Add
7136         orphan parameter.
7137         (Output_section_definition::allocate_to_segment): Likewise.
7138         (Orphan_output_section::allocate_to_segment): Likewise.
7139         (Script_sections::attach_sections_using_phdrs_clause): Don't
7140         propagate non-PT_LOAD segments to orphan sections.
7141         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7142         readelf rather than objdump.
7143         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7144         .interp section and PT_INTERP segment are the same size.
7145         * testsuite/Makefile.in: Rebuild.
7147         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7148         aliases for symbols defined in the same object.
7149         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7150         (weak_alias_test_SOURCES): New variable.
7151         (weak_alias_test_DEPENDENCIES): New variable.
7152         (weak_alias_test_LDFLAGS): New variable.
7153         (weak_alias_test_LDADD): New variable.
7154         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7155         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7156         (weak_alias_test_3.o): New target.
7157         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7158         * testsuite/weak_alias_test_main.cc: New file.
7159         * testsuite/weak_alias_test_1.cc: New file.
7160         * testsuite/weak_alias_test_2.cc: New file.
7161         * testsuite/weak_alias_test_3.cc: New file.
7163 2008-04-08  Ian Lance Taylor  <iant@google.com>
7165         * options.h (class General_options): Add --noinhibit-exec option.
7166         * main.cc (main): Check --noinhibit-exec.
7168         * options.h (class General_options): Define --wrap as a special
7169         option.  Add wrap_symbols_ field.
7170         (General_options::any_wrap_symbols): New function.
7171         (General_options::is_wrap_symbol): New function.
7172         * options.cc (General_options::parse_wrap): New function.
7173         (General_options::General_options): Initialize wrap_symbols_.
7174         * symtab.cc (Symbol_table::wrap_symbol): New function.
7175         (Symbol_table::add_from_object): Handle --wrap.
7176         * symtab.h (class Symbol_table): Declare wrap_symbol.
7177         * target.h (Target::wrap_char): New function.
7178         (Target::Target_info): Add wrap_char field.
7179         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7180         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7181         * testsuite/testfile.cc (Target_test::test_target_info):
7182         Likewise.
7184         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7185         there is one.
7187         * layout.h (class Layout): Add added_eh_frame_data_ field.
7188         * layout.cc (Layout::Layout): Initialize new field.
7189         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7190         output section until we find a section we merged successfully.
7191         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7192         that the size be non-zero.
7194         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7195         qualifier.
7197 2008-04-08  Craig Silverstein  <csilvers@google.com>
7199         * configure.ac: Export new conditional variable HAVE_ZLIB.
7200         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7201         on HAVE_ZLIB.
7202         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7203         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7205 2008-04-07  Ian Lance Taylor  <iant@google.com>
7207         * version.cc (version_string): Set to "1.5".
7209         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7210         Add issued_non_pic_error_ field.  Declare check_non_pic.
7211         (Target_x86_64::Scan::check_non_pic): New function.
7212         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7213         (Target_x86_64::Scan::global): Likewise.
7215         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7216         addend parameter.  Change caller.  Handle merge sections.
7217         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7218         Address to Addend.  Don't add in the result of
7219         local_section_offset, pass down the addend and use the returned
7220         value.
7221         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7222         Update declarations of local_section_offset and symbol_value.
7223         * testsuite/two_file_test_1.cc (t18): New function.
7224         * testsuite/two_file_test_2.cc (f18): New function.
7225         * testsuite/two_file_test_main.cc (main): Call t18.
7226         * testsuite/two_file_test.h (t18, f18): Declare.
7228         * configure.ac: Don't test for objdump, c++filt, or readelf.
7229         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7230         conditionals.
7231         (TEST_READELF): New variable.
7232         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7233         (check_PROGRAMS): Add two_file_strip_test.
7234         (two_file_strip_test): New target.
7235         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7236         (two_file_same_shared_strip_test_SOURCES): New variable.
7237         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7238         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7239         (two_file_same_shared_strip_test_LDADD): New variable.
7240         (two_file_shared_strip.so): New target.
7241         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7242         (ver_test_5.syms, ver_test_7.syms): Likewise.
7243         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7244         (strip_test_3.stdout): Use TEST_OBJDUMP.
7245         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7247 2008-04-04  Cary Coutant  <ccoutant@google.com>
7249         * symtab.h (Symbol::is_weak_undefined): New function.
7250         (Symbol::is_strong_undefined): New function.
7251         (Symbol::is_absolute): New function.
7252         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7253         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7254         absolute symbols.
7255         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7256         (weak_undef_test): New target.
7257         * testsuite/Makefile.in: Rebuild.
7258         * testsuite/weak_undef_file1.cc: New file.
7259         * testsuite/weak_undef_file2.cc: New file.
7260         * testsuite/weak_undef_test.cc: New file.
7262 2008-04-03  Craig Silverstein  <csilvers@google.com>
7264         * compressed_output.h (class Output_compressed_section): Use
7265         unsigned buffer.
7266         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7267         add zlib header.
7268         (zlib_compressed_suffix): Removed.
7269         (Output_compressed_section::set_final_data_size): Use unsigned
7270         buffers.
7271         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7272         Fix linker invocation.
7273         (flagstest_o_specialfile_and_compress_debug_sections):
7274         Likewise.
7275         * testsuite/Makefile.in: Regenerated.
7277 2008-04-02  David S. Miller  <davem@davemloft.net>
7279         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7280         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7282 2008-04-02  Craig Silverstein  <csilvers@google.com>
7284         * TODO: New file.
7286 2008-04-02  Ian Lance Taylor  <iant@google.com>
7288         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7289         parameters.  Update for new key type to views_.  Change all
7290         callers.
7291         (File_read::read): Adjust for byteshift in returned view.
7292         (File_read::add_view): New function, broken out of
7293         find_and_make_view.
7294         (File_read::make_view): New function, broken out of
7295         find_and_make_view.
7296         (File_read::find_or_make_view): Add offset and aligned
7297         parameters.  Rewrite accordingly.  Change all callers.
7298         (File_read::get_view): Add offset and aligned parameters.  Adjust
7299         for byteshift in return value.
7300         (File_read::get_lasting_view): Likewise.
7301         * fileread.h (class File_read): Update declarations.
7302         (class File_read::View): Add byteshift_ field.  Add byteshift to
7303         constructor.  Add byteshift method.
7304         * archive.h (Archive::clear_uncached_views): New function.
7305         (Archive::get_view): Add aligned parameter.  Change all callers.
7306         * object.h (Object::get_view): Add aligned parameter.  Change all
7307         callers.
7308         (Object::get_lasting_view): Likewise.
7310         * fileread.cc (File_read::release): Don't call clear_views if
7311         there are multiple objects.
7312         * fileread.h (File_read::clear_uncached_views): New function.
7313         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7314         on the archive.
7316 2008-03-31  Cary Coutant  <ccoutant@google.com>
7318         Add thin archive support.
7319         * archive.cc (Archive::armagt): New const.
7320         (Archive::setup): Remove task parameter and calls to unlock.
7321         (Archive::unlock_nested_archives): New function.
7322         (Archive::read_header): Add nested_off parameter. Change
7323         all callers.
7324         (Archive::interpret_header): Likewise.
7325         (Archive::include_all_members): Change to handle thin
7326         archives.
7327         (Archive::include_member): Likewise.
7328         * archive.h (Archive::Archive): Add new parameters and
7329         initializers.
7330         (Archive::armagt): New const.
7331         (Archive::setup): Remove task parameter.
7332         (Archive::unlock_nested_archives): New function.
7333         (Archive::read_header): Add nested_off parameter.
7334         (Archive::interpret_header): Likewise.
7335         (Archive::Nested_archive_table): New typedef.
7336         (Archive::is_thin_archive_): New field.
7337         (Archive::nested_archives_): New field.
7338         (Archive::options_): New field.
7339         (Archive::dirpath_): New field.
7340         (Archive::task_): New field.
7341         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7342         for thin archives.  Pass additional parameters to
7343         Archive::Archive.  Unlock the archive file after calling
7344         Archive::setup.
7346 2008-03-29  Ian Lance Taylor  <iant@google.com>
7348         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7349         version symbol to be local.
7350         * testsuite/ver_test_4.sh: New file.
7351         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7352         (check_DATA): Add ver_test_4.syms.
7353         (ver_test_4.syms): New target.
7354         * testsuite/Makefile.in: Rebuild.
7356         * output.cc
7357         (Output_section::Input_section_sort_entry::has_priority): New
7358         function.
7359         (Output_section::Input_section_sort_entry::match_file_name): New
7360         function.
7361         (Output_section::Input_section_sort_entry::match_section_name):
7362         Remove.
7363         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7364         Remove.
7365         (Output_section::Input_section_sort_entry::match_section_file):
7366         Remove.
7367         (Output_section::Input_section_sort_compare::operator()): Rewrite
7368         using new Input_section_sort_entry functions.  Sort crtbegin and
7369         crtend first.  Sort sections with no priority before sections with
7370         a priority.
7371         * testsuite/initpri1.c (d3): Check j != 4.
7372         (cd5): New constructor/destructor function.
7373         (main): Check j != 2.
7375         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7376         new symbol when resolving, don't call set_is_default.
7377         * testsuite/ver_test_7.cc: New file.
7378         * testsuite/ver_test_7.sh: New file.
7379         * testsuite/Makefile.am (ver_test_7.so): New target.
7380         (ver_test_7.o): New target.
7381         (check_SCRIPTS): Add ver_test_7.sh.
7382         (check_DATA): Add ver_test_7.syms.
7383         (ver_test_7.syms): New target.
7385 2008-03-28  Ian Lance Taylor  <iant@google.com>
7387         * layout.cc (Layout::layout): If we see an input section with a
7388         name that needs sorting, set the must_sort flag for the output
7389         section.
7390         (Layout::make_output_section): If the name of the output section
7391         indicates that it might require sorting, set the may_sort flag.
7392         * output.h (Output_section::may_sort_attached_input_sections): New
7393         function.
7394         (Output_section::set_may_sort_attached_input_sections): New
7395         function.
7396         (Output_section::must_sort_attached_input_sections): New
7397         function.
7398         (Output_section::set_must_sort_attached_input_sections): New
7399         function.
7400         (class Output_section): Declare Input_section_sort_entry.  Define
7401         Input_section_sort_compare.  Declare
7402         sort_attached_input_sections.  Add new fields:
7403         may_sort_attached_input_sections_,
7404         must_sort_attached_input_sections_,
7405         attached_input_sections_are_sorted_.
7406         * output.cc (Output_section::Output_section): Initialize new
7407         fields.
7408         (Output_section::add_input_section): Add an entry to
7409         input_sections_ if may_sort or must_sort are true.
7410         (Output_section::set_final_data_size): Call
7411         sort_attached_input_sections if necessary.
7412         (Output_section::Input_section_sort_entry): Define new class.
7413         (Output_section::Input_section_sort_compare::operator()): New
7414         function.
7415         (Output_section::sort_attached_input_sections): New function.
7416         * configure.ac: Check whether the compiler supports constructor
7417         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7418         * testsuite/initpri1.c: New file.
7419         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7420         CONSTRUCTOR_PRIORITY.
7421         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7422         (initpri1_LDFLAGS): New variable.
7423         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7425 2008-03-27  Ian Lance Taylor  <iant@google.com>
7427         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7428         * testsuite/common_test_1.c: New file.
7429         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7430         (common_test_1_SOURCES): New variable.
7431         (common_test_1_DEPENDENCIES): New variable.
7432         (common_test_1_LDFLAGS): New variable.
7434         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7435         and commons_ correctly when NAME/VERSION does not override
7436         NAME/NULL.
7437         * testsuite/ver_test_6.c: New file.
7438         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7439         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7440         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7442 2008-03-26  Ian Lance Taylor  <iant@google.com>
7444         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7445         of an undefined symbol from a version script.
7446         * testsuite/Makefile.am (ver_test_5.so): New target.
7447         (ver_test_5.o): New target.
7448         (check_SCRIPTS): Add ver_test_5.sh.
7449         (check_DATA): Add ver_test_5.syms.
7450         (ver_test_5.syms): New target.
7451         * testsuite/ver_test_5.cc: New file.
7452         * testsuite/ver_test_5.script: New file.
7453         * testsuite/ver_test_5.sh: New file.
7454         * Makefile.in, testsuite/Makefile.in: Rebuild.
7456         PR gold/5986
7457         Fix problems building gold with gcc 4.3.0.
7458         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7459         (gold_error_at_location, gold_warning_at_location): Use it.
7460         * configure.ac: Check whether we can compile and use a template
7461         function with a printf attribute.
7462         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7463         when jumping over bytes.
7464         * object.cc: Instantiate Object::read_section_data.
7465         * debug.h: Include <cstring>
7466         * dwarf_reader.cc: Include <algorithm>
7467         * main.cc: Include <cstring>.
7468         * options.cc: Include <cstring>.
7469         * output.cc: Include <cstring>.
7470         * script.cc: Include <cstring>.
7471         * script.h: Include <string>.
7472         * symtab.cc: Include <cstring> and <algorithm>.
7473         * target-select.cc: Include <cstring>.
7474         * version.cc: Include <string>.
7475         * testsuite/testmain.cc: Include <cstdlib>.
7476         * configure, config.in: Rebuild.
7478 2008-03-25  Ian Lance Taylor  <iant@google.com>
7480         * options.cc: Include "../bfd/bfdver.h".
7481         (options::help): Print bug reporting address.
7483         * version.cc (print_version): Adjust output for current value of
7484         BFD_VERSION_STRING.
7486         * NEWS: New file.
7488         * options.cc (options::help): Print list of supported targets.
7489         * target-select.h: Include <vector>.
7490         (class Target_selector): Make machine_, size_, and is_big_endian_
7491         fields const.  Add bfd_name_ and instantiated_target_ fields.
7492         (Target_selector::Target_selector): Add bfd_name parameter.
7493         (Target_selector::recognize): Make non-virtual, call
7494         do_recognize.
7495         (Target_selector::recognize_by_name): Make non-virtual, call
7496         do_recognize_by_name.
7497         (Target_selector::supported_names): New function.
7498         (Target_selector::bfd_name): New function.
7499         (Target_selector::do_instantiate_target): New pure virtual
7500         function.
7501         (Target_selector::do_recognize): New virtual function.
7502         (Target_selector::do_recognize_by_name): New virtual function.
7503         (Target_selector::instantiate_target): New private function.
7504         (supported_target_names): Declare.
7505         * target-select.cc (Target_selector::Target_selector): Update for
7506         new parameter and fields.
7507         (select_target_by_name): Check that the name matches before
7508         calling recognize_by_name.
7509         (supported_target_names): New function.
7510         * i386.cc (class Target_selector_i386): Update Target_selector
7511         constructor call.  Remove recognize and recognize_by_name.  Add
7512         do_instantiate_target.
7513         * x86_64.cc (class Target_selector_x86_64): Likewise.
7514         * testsuite/testfile.cc (class Target_selector_test): Update for
7515         changes to Target_selector.
7517         * README: Rewrite, with some notes on unsupported features.
7519 2008-03-24  Cary Coutant  <ccoutant@google.com>
7521         * i386.cc (Target_i386::Got_type): New enum declaration.
7522         (Target_i386::Scan::local): Updated callers of Output_data_got
7523         member functions.
7524         (Target_i386::Scan::global): Likewise.
7525         (Target_i386::Relocate::relocate): Likewise.
7526         (Target_i386::Relocate::relocate_tls): Likewise.
7527         * object.h (Got_offset_list): New class.
7528         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7529         (Sized_relobj::local_got_offset): Likewise.
7530         (Sized_relobj::set_local_got_offset): Likewise.
7531         (Sized_relobj::local_has_tls_got_offset): Removed.
7532         (Sized_relobj::local_tls_got_offset): Removed.
7533         (Sized_relobj::set_local_tls_got_offset): Removed.
7534         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7535         * output.cc (Output_data_got::add_global): Added got_type parameter.
7536         (Output_data_got::add_global_with_rel): Likewise.
7537         (Output_data_got::add_global_with_rela): Likewise.
7538         (Output_data_got::add_global_pair_with_rel): New function.
7539         (Output_data_got::add_global_pair_with_rela): New function.
7540         (Output_data_got::add_local): Added got_type parameter.
7541         (Output_data_got::add_local_with_rel): Likewise.
7542         (Output_data_got::add_local_with_rela): Likewise.
7543         (Output_data_got::add_local_pair_with_rel): New function.
7544         (Output_data_got::add_local_pair_with_rela): New function.
7545         (Output_data_got::add_global_tls): Removed.
7546         (Output_data_got::add_global_tls_with_rel): Removed.
7547         (Output_data_got::add_global_tls_with_rela): Removed.
7548         (Output_data_got::add_local_tls): Removed.
7549         (Output_data_got::add_local_tls_with_rel): Removed.
7550         (Output_data_got::add_local_tls_with_rela): Removed.
7551         * output.h (Output_data_got::add_global): Added got_type parameter.
7552         (Output_data_got::add_global_with_rel): Likewise.
7553         (Output_data_got::add_global_with_rela): Likewise.
7554         (Output_data_got::add_global_pair_with_rel): New function.
7555         (Output_data_got::add_global_pair_with_rela): New function.
7556         (Output_data_got::add_local): Added got_type parameter.
7557         (Output_data_got::add_local_with_rel): Likewise.
7558         (Output_data_got::add_local_with_rela): Likewise.
7559         (Output_data_got::add_local_pair_with_rel): New function.
7560         (Output_data_got::add_local_pair_with_rela): New function.
7561         (Output_data_got::add_global_tls): Removed.
7562         (Output_data_got::add_global_tls_with_rel): Removed.
7563         (Output_data_got::add_global_tls_with_rela): Removed.
7564         (Output_data_got::add_local_tls): Removed.
7565         (Output_data_got::add_local_tls_with_rel): Removed.
7566         (Output_data_got::add_local_tls_with_rela): Removed.
7567         * resolve.cc (Symbol::override_base_with_special): Removed
7568         reference to has_got_offset_ field.
7569         * symtab.cc (Symbol::init_fields): Replaced initialization
7570         of got_offset_ with got_offsets_.  Removed initialization
7571         of has_got_offset_
7572         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7573         (Symbol::got_offset): Likewise.
7574         (Symbol::set_got_offset): Likewise.
7575         (Symbol::has_tls_got_offset): Removed.
7576         (Symbol::tls_got_offset): Removed.
7577         (Symbol::set_tls_got_offset): Removed.
7578         (Symbol::got_offset_): Removed.
7579         (Symbol::tls_mod_got_offset_): Removed.
7580         (Symbol::tls_pair_got_offset_): Removed.
7581         (Symbol::got_offsets_): New field.
7582         (Symbol::has_got_offset): Removed.
7583         (Symbol::has_tls_mod_got_offset): Removed.
7584         (Symbol::has_tls_pair_got_offset): Removed.
7585         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7586         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7587         member functions.
7588         (Target_x86_64::Scan::global): Likewise.
7589         (Target_x86_64::Relocate::relocate): Likewise.
7590         (Target_x86_64::Relocate::relocate_tls): Likewise.
7592 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7594         * yyscript.y: Fix spelling error in comment.
7596 2008-03-24  Ian Lance Taylor  <iant@google.com>
7598         * options.h (class General_options): Define build_id option.
7599         * layout.h (class Layout): Declare write_build_id, create_note,
7600         create_build_id.  Add build_id_note_ member.
7601         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7602         "libiberty.h", "md5.h", "sha1.h".
7603         (Layout::Layout): Initialize eh_frame_data_,
7604         eh_frame_hdr_section_, and build_id_note_.
7605         (Layout::finalize): Call create_build_id.
7606         (Layout::create_note): New function, broken out of
7607         Layout::create_gold_note.
7608         (Layout::create_gold_note): Call create_note.
7609         (Layout::create_build_id): New function.
7610         (Layout::write_build_id): New function.
7611         (Close_task_runner::run): Call write_build_id.
7613         * x86_64.cc: Correct license to GPLv3.
7615 2008-03-23  Ian Lance Taylor  <iant@google.com>
7617         * options.cc: Include "demangle.h".
7618         (parse_optional_string): New function.
7619         (parse_long_option): Handle takes_optional_argument.
7620         (parse_short_option): Update dash_z initializer.  Handle
7621         takes_optional_argument.
7622         (General_options::General_options): Initialize do_demangle_.
7623         (General_options::finalize): Set do_demangle_.  Handle demangling
7624         style.
7625         * options.h (parse_optional_string): Declare.
7626         (struct One_option): Add optional_arg field.  Update constructor.
7627         Update call constructor calls.  Add takes_optional_argument
7628         function.
7629         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7630         (DEFINE_optional_string): Define.
7631         (General_options::demangle): Change from DEFINE_bool to
7632         DEFINE_optional_string.
7633         (General_options::no_demangle): New function.
7634         (General_options::do_demangle): New function.
7635         (General_options::set_do_demangle): New function.
7636         (General_options::execstack_status_): Move definition to end of
7637         class definition.
7638         (General_options::static_): Likewise.
7639         (General_options::do_demangle_): New field.
7640         * object.cc (big_endian>::get_symbol_location_info): Call
7641         Options::do_demangle, not Options::demangle.
7642         * symtab.cc (demangle): Likewise.
7644 2008-03-22  Ian Lance Taylor  <iant@google.com>
7646         * gold.h: Include <cstddef> and <sys/types.h>
7647         * options.h: Include <cstring>.
7649 2008-03-21  Ian Lance Taylor  <iant@google.com>
7651         * Added source code to GNU binutils.