* layout.cc (Layout::layout_reloc): In relocatable link don't
[external/binutils.git] / gold / ChangeLog
1 2010-04-24  Ian Lance Taylor  <iant@google.com>
2
3         * layout.cc (Layout::layout_reloc): In relocatable link don't
4         combine reloc sections for grouped sections.
5
6 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
7
8         * gc.h (gc_process_relocs): Pass information on relocs pointing to
9         sections that are not ordinary to icf.
10         * icf.cc (get_section_contents): Handle relocation pointing to section
11         with no object or shndx information.
12         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
13         * testsuite/Makefile.in: Regenerate.
14         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
15         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
16
17 2010-04-22  Ian Lance Taylor  <iant@google.com>
18
19         * expression.cc (Expression::Expression_eval_info): Add
20         result_alignment_pointer field.
21         (Expression::eval_with_dot): Add result_alignment_pointer
22         parameter.  Change all callers.
23         (Expression::eval_maybe_dot): Likewise.
24         (class Binary_expression): Add alignment_pointer parameter to
25         left_value and right_value.  Change all callers.
26         (BINARY_EXPRESSION): Set result alignment.
27         (class Trinary_expression): Add alignment_pointer parameter to
28         arg2_value and arg3_value.  Change all callers.
29         (Trinary_cond::value): Set result alignment.
30         (Max_expression::value, Min_expression::value): Likewise.
31         (Align_expression::value): Likewise.
32         * script-sections.cc (class Sections_element): Add dot_alignment
33         parameter to set_section_addresses virtual function.  Update
34         instantiations.
35         (class Output_section_element): Likewise.
36         (Script_sections::create_segments): Add dot_alignment parameter.
37         Change all callers.
38         (Script_sections::create_segments_from_phdrs_clause): Likewise.
39         (Script_sections::set_phdrs_clause_addresses): Likewise.
40         * script-sections.h: Update declarations.
41         * script.h: Update declarations.
42         * output.h (Output_segment::set_minimum_p_align): Don't decrease
43         min_p_align.
44         * testsuite/script_test_3.t: Set large alignment.
45         * testsuite/script_test_3.sh: Make sure that at least one LOAD
46         segment has expected alignment.
47
48 2010-04-22  Nick Clifton  <nickc@redhat.com>
49
50         * po/gold.pot: Updated by the Translation project.
51         * po/vi.po: Updated Vietnamese translation.
52
53 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
54
55         * testsuite/Makefile.am (check_PROGRAMS): Add
56         icf_virtual_function_folding_test.
57         * testsuite/Makefile.in: Regenerated.
58
59 2010-04-15  Andrew Haley  <aph@redhat.com>
60
61         * options.h (merge_exidx_entries): New option.
62         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
63         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
64         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
65         (Target_arm::merge_exidx_entries): New function.
66         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
67         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
68         to Arm_exidx_fixup constructor.
69         Add new arg, merge_exidx_entries.
70         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
71         Arm_output_section::fix_exidx_coverage.
72
73 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
74
75         * icf.cc (get_section_contents): Check for preemptible functions.
76         Ignore addend when appropriate.
77         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
78         section folded.
79         (add_from_relobj): Check for section folded.
80         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
81         * symtab.h (should_add_dynsym_entry): Add new parameter.
82         * target-reloc.h (scan_relocs): Check for section folded.
83         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
84         Check reloc types for function pointers in shared objects.
85         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
86         case.
87         (icf_preemptible_functions_test): New test case.
88         (icf_string_merge_test): New test case.
89         * testsuite.Makefile.in: Regenerate.
90         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
91         bar_glob.  Refactor code.
92         * testsuite/icf_preemptible_functions_test.cc: New file.
93         * testsuite/icf_preemptible_functions_test.sh: New file.
94         * testsuite/icf_string_merge_test.cc: New file.
95         * testsuite/icf_string_merge_test.sh: New file.
96         * testsuite/icf_virtual_function_folding_test.cc: New file.
97         * testsuite/icf_virtual_function_folding_test.sh: New file.
98
99 2010-04-14  Doug Kwan  <dougkwan@google.com>
100
101         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
102         for local symbol recounting if we remove a section due to ICF.
103         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
104         there are no regular objects in input.
105
106 2010-04-13  Doug Kwan  <dougkwan@google.com>
107
108         * arm.cc (Arm_input_section::set_final_data_size): Compute
109         accurate final data size instead of using current data size.
110
111 2010-04-09  Doug Kwan  <dougkwan@google.com>
112
113         * layout.cc (Layout::choose_output_section): Handle script section
114         types.
115         (Layout::make_output_section_for_script): Add section type parameter.
116         Handle script section types.
117         * layout.h (Layout::make_output_section_for_script): Add section
118         type parameter.
119         * output.cc (Output_section::Output_section): Initialize data member
120         is_noload_.
121         (Output_section::do_reset_address_and_file_offset): Do not set address
122         to 0 if section is a NOLOAD section.
123         * output.h (Output_section::is_noload): New method.
124         (Output_section::set_is_noload): Ditto.
125         (Output_section::is_noload_): New data member.
126         * script-c.h (Script_section_type): New enum type.
127         (struct Parser_output_section_header): Add new file section_type.
128         * script-sections.cc (Sections_element::output_section_name): Add
129         parameter for returning script section type.
130         (Output_section_definition::output_section_name): Ditto.
131         (Output_section_definition::section_type)P; New method.
132         (Output_section_definiton::script_section_type_name): Ditto.
133         (Output_section_definition::script_section_type_): New data member.
134         (Output_section_definition::Output_section_definition): Initialize
135         data member Output_section_definition::script_section_type_.
136         (Output_section_definition::create_sections): Pass script section type
137         to Layout::make_output_section_for_script.
138         (Output_section_definition::output_section_name): Return script
139         section type to caller.
140         (Output_section_definition::set_section_address): Do not advance
141         dot value and load address if section type is NOLOAD.  Set address
142         of NOLOAD sections regardless of section flags.
143         (Output_section_definition::print): Print section type if it is
144         not SCRIPT_SECTION_TYPE_NONE.
145         (Output_section_definition::section_type): New method.
146         (Output_section_definition::script_section_type_name): Ditto.
147         (Script_sections::output_section_name): Add new parameter
148         PSECTION_TYPE for returning script section type.  Pass it to
149         section elements.  Handle discard sections.
150         (Sort_output_sections::operator()): Handle NOLOAD sections.
151         * script-sections.h (Script_sections::Section_type): New enum type.
152         (Script_sections::output_section_name): Add a new parameter for
153         returning script section type.
154         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
155         INFO and NOLOAD.
156         * yyscript.y (union): Add new field SECTION_TYPE.
157         (COPY, DSECT, INFO, NOLOAD): New tokens.
158         (opt_address_and_section_type): Change type to output_section_header.
159         (section_type): New non-terminal
160         (section_header): Handle section type.
161         (opt_address_and_section_type): Return section type value.
162
163 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
164
165         * testsuite/plugin_common_test_1.c (foo): Add prototype.
166         * testsuite/plugin_common_test_2.c (foo): Likewise.
167
168 2010-04-08  Doug Kwan  <dougkwan@google.com>
169
170         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
171         Output_merge_data.
172         * output.cc (Output_section::add_merge_input_section): Simplify
173         code and return status of Output_merge_base::add_input_section.
174         Update merge section map only if Output_merge_base::add_input_section 
175         returns true.
176
177 2010-04-07  Doug Kwan  <dougkwan@google.com>
178
179         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
180         if section is marked as containing instructions but has no mapping
181         symbols.
182         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
183         correct section index.
184         (Arm_relobj::find_linked_text_section): Ditto.
185
186 2010-04-07  Cary Coutant  <ccoutant@google.com>
187
188         * archive.cc (include_member): Destroy Read_symbols_data object before
189         releasing file.
190         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
191         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
192         (Read_symbols_data::~Read_symbols_data) New destructor.
193         (Section_relocs::Section_relocs) New constructor.
194         (Section_relocs::~Section_relocs) New destructor.
195         (Read_relocs_data::Read_relocs_data) New constructor.
196         (Read_relocs_data::~Read_relocs_data) New destructor.
197         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
198         pointers to NULL after deleting.
199
200 2010-04-07  Doug Kwan  <dougkwan@google.com>
201
202         * arm.cc: Replace "endianity" with "endianness" in comments.
203         (Arm_exidx_cantunwind): Ditto.
204         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
205         (Arm_relobj::merge_flags_and_attributes): New method.
206         (Arm_relobj::merge_flags_and_attributes_): New data member.
207         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
208         (Arm_relobj::scan_sections_for_stubs): Ditto.
209         (Arm_relobj::do_read_symbols): Check to see if we really want to
210         merge processor-specific flags and attributes.  Exit early if
211         an object is empty except for section names and the undefined symbol.
212         (Target_arm::do_finalize_sections): Move check for ELF format to
213         Arm_relobj::do_read_symbols.  Merge processor specific flags and
214         attributes from a regular object only when we have determined that
215         it is aapropriate.  Do not create an .ARM.attributes section in
216         output if there is no regular input object.
217         (Target_arm::merge_processor_specific_flags): Check
218         --warn-mismatch before printing any error.
219         (Target_arm::merge_object_attributes): Ditto.
220         * gold.cc (queue_middle_tasks): Handle the case in which there is
221         no regular object in input.
222         * options.cc (General_options::parse_EB): New method.
223         (General_options::parse_EL): Same.
224         (General_options::General_options): Initialize endianness_.
225         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
226         New options.
227         (General_options::Endianness): New enum.
228         (General_options::endianness): New method.
229         (General_options::endianness_): New data member.
230         * parameters.cc (Parameters::set_options): Check target endianness.
231         (Parameters::set_target_once): Ditto.
232         (Parameters::check_target_endianness): New method.
233         (parameters_force_valid_target): If either -EL or -EB is specified,
234         use it to define endianness of default target.
235         * parameters.h (Parameters::check_target_endianness): New method
236         declaration.
237         * target.h (class Target): Change "endianity" to "endianness"
238         in comments.
239
240 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
241
242         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
243         * configure: Regenerate.
244         * Makefile.in: Regenerate.
245         * testsuite/Makefile.in: Regenerate.
246
247 2010-04-06  Cary Coutant  <ccoutant@google.com>
248
249         gcc PR lto/42757
250         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
251         prevailing definitions of common symbols.
252         * testsuite/plugin_test_6.sh: New test case.
253         * testsuite/plugin_common_test_1.c: New test case.
254         * testsuite/plugin_common_test_2.c: New test case.
255         * testsuite/Makefile.am (plugin_test_6): New test case.
256         * testsuite/Makefile.in: Regenerate.
257
258 2010-04-06  Nick Clifton  <nickc@redhat.com>
259
260         * po/vi.po: New Vietnamese translation.
261
262 2010-03-30  Doug Kwan  <dougkwan@google.com>
263
264         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
265
266 2010-03-25  Doug Kwan  <dougkwan@google.com>
267
268         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
269         to avoid a conversion warning on a 32-bit host.
270
271 2010-03-24  Ian Lance Taylor  <iant@google.com>
272
273         * testsuite/script_test_3.t: Add a TLS segment.
274         * testsuite/Makefile.am (check_PROGRAMS): Add
275         tls_phdrs_script_test.
276         (tls_phdrs_script_test_SOURCES): Define.
277         (tls_phdrs_script_test_DEPENDENCIES): Define.
278         (tls_phdrs_script_test_LDFLAGS): Define.
279         (tls_phdrs_script_test_LDADD): Define.
280         * testsuite/Makefile.in: Rebuild.
281
282 2010-03-23  Cary Coutant  <ccoutant@google.com>
283
284         * fileread.cc (find_or_make_view): Fix comment.
285
286 2010-03-23  Ian Lance Taylor  <iant@google.com>
287
288         * script-sections.cc (class Orphan_section_placement): Define
289         PLACE_TLS and PLACE_TLS_BSS.
290         (Orphan_section_placement::Orphan_section_placement): Initialize
291         new places.
292         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
293         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
294         (tls_script_test_SOURCES): Define.
295         (tls_script_test_DEPENDENCIES): Define.
296         (tls_script_test_LDFLAGS): Define.
297         (tls_script_test_LDADD): Define.
298         * testsuite/Makefile.in: Rebuild.
299
300 2010-03-22  Doug Kwan  <dougkwan@google.com>
301
302         * arm.cc (Arm_relocate_functions::abs8,
303         Arm_relocate_functions::abs16): Use correct check for overflow
304         specified in the ARM ELF specs.
305         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
306         target of a BLX instruction specially.
307         (Reloc_stub::stub_type_for_reloc): Ditto.
308         (Relocate::relocate): Use symbolic names instead of numeric relocation
309         codes to report error.
310         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
311         workaround.
312         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
313         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
314         thumb2_blx_out_of_range.stdout
315         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
316         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
317         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
318         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
319         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
320         thumb2_blx_in_range, thumb2_blx_in_range.o,
321         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
322         thumb2_blx_out_of_range.o): New rules.
323         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
324         thumb2_blx_in_range and thumb2_blx_out_of_range.
325         * testsuite/Makefile.in: Regenerate.
326         * arm_branch_in_range.sh: Add tests for THUMB BLX.
327         * testsuite/thumb_blx_in_range.s: New file.
328         * testsuite/thumb_blx_out_of_range.s: New file.
329
330 2010-03-22  Rafael Espindola  <espindola@google.com>
331
332         * archive.cc (Should_include): Move to archive.h.
333         (should_include_member): Make it a member of Archive.
334         (Lib_group): New.
335         (Add_lib_group_symbols): New.
336         * archive.h: Include options.h.
337         (Archive_member): Moved from Archive.
338         (Should_include): Moved from archive.cc.
339         (Lib_group): New.
340         (Add_lib_group_symbols): New.
341         * dynobj.cc (do_should_include_member): New.
342         * dynobj.h (do_should_include_member): New.
343         * gold.cc (queue_initial_tasks): Update call to queue.
344         * main.cc (main): Print lib group stats.
345         * object.cc (do_should_include_member): New.
346         * object.h: Include archive.h.
347         (Object::should_include_member): New.
348         (Object::do_should_include_member): New.
349         (Sized_relobj::do_should_include_member): New.
350         * options.cc (General_options::parse_start_lib): New.
351         (General_options::parse_end_lib): New.
352         (Input_arguments::add_file): Handle lib groups.
353         (Input_arguments::start_group): Check we are not in a lib.
354         (Input_arguments::start_lib): New.
355         (Input_arguments::end_lib): New.
356         * options.h (General_options): Add start_lib and end_lib.
357         (Input_argument::lib_): New.
358         (Input_argument::lib): New.
359         (Input_argument::is_lib): New.
360         (Input_file_lib): New.
361         (Input_arguments::in_lib_): New.
362         (Input_arguments::in_lib): New.
363         (Input_arguments::start_lib): New.
364         (Input_arguments::end_lib_): New.
365         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
366         in unused members as preempted.
367         (Sized_pluginobj::do_should_include_member): New.
368         * plugin.h (Sized_pluginobj::do_should_include_member): New.
369         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
370         return the blocker.
371         (Read_symbols::do_whole_lib_group): New.
372         (Read_symbols::do_lib_group): New.
373         (Read_symbols::do_read_symbols): Handle lib groups.
374         (Read_symbols::get_name): Handle lib groups.
375         * readsyms.h (Read_symbols): Add an archive member pointer.
376         (Read_symbols::do_whole_lib_group): New.
377         (Read_symbols::do_lib_group): New.
378         (Read_symbols::member_): New.
379         * script.cc (read_input_script): Update call to queue_soon.
380
381 2010-03-19  Doug Kwan  <dougkwan@google.com>
382
383         * arm.cc (Stub_table::Stub_table): Initialize new data members
384         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
385         (Stub_table::add_reloc_stub): Assign stub offset and update
386         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
387         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
388         New data members.
389         (Stub_table::update_data_size_and_addralign): Use
390         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
391         instead of going over all reloc stubs.
392         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
393         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
394         Stringpool_template::offset_ to size of Stringpool_char.
395         (Stringpool_template::new_key_offset): Remove code to initialize
396         Stringpool_template::offset_.
397         * stringpool.h (Stringpool_template::set_no_zero_null): Set
398         Stringpool_template::offset_ to zero.
399
400 2010-03-15  Doug Kwan  <dougkwan@google.com>
401
402         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
403         offset_.
404         (Stringpool_template::new_key_offset): New method.
405         (Stringpool_template::add_string): Assign offsets when adding new
406         strings.
407         (Stringpool_template::set_string_offsets): Do not set string offsets
408         when not optimizing.
409         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
410         member size_.
411         (Chunked_vector::clear): Clear size_.
412         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
413         (Chunked_vector::size): Return size_.
414         (Chunked_vector::push_back): Use size_ to find insert position.
415         (Chunked_vector::size_): New data member. 
416         (Stringpool_template::set_no_zero_null): Assert string set is empty.
417         (Stringpool_template::new_key_offset): New method declaration.
418         (Stringpool_template::offset_): New data member.
419
420 2010-03-15   Rafael Espindola  <espindola@google.com>
421
422         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
423         Add_symbols' constructor.
424         * readsyms.h (Add_symbols): Remove the input_group member.
425
426 2010-03-10  Ian Lance Taylor  <iant@google.com>
427
428         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
429         target to ask whether a reference to a symbol requires a stack
430         split.
431         * target.h (Target::is_call_to_non_split): New function.
432         (Target::do_is_call_to_non_split): Declare virtual function.
433         * target.cc: Include "symtab.h".
434         (Target::do_is_call_to_non_split): New function.
435         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
436
437 2010-03-10  Cary Coutant  <ccoutant@google.com>
438
439         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
440         (File_read::open[1]): Remove initial mapping of whole_file_view_.
441         (File_read::open[2]): Add whole_file_view_ to list of views.
442         (File_read::make_view): Remove test of whole_file_view_.
443         (File_read::find_or_make_view): Create whole_file_view_ if
444         necessary.
445         (File_read::clear_views): Replace bool parameter with enum;
446         adjust all callers.  Don't delete views with permanent data;
447         do delete cached views and views from archives if
448         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
449         if clearing the corresponding view.
450         * fileread.h (File_read::Clear_views_mode): New enum.
451         (File_read::View::is_permanent_view): New method.
452         (File_read::clear_views): Replace bool parameter
453         with enum; adjust all callers.
454         * options.h (General_options): Change keep_files_mapped option;
455         add map_whole_files.
456         * readsyms.cc (Add_symbols::run): Delete sd_ object before
457         releasing the file.
458         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
459         the file.
460
461 2010-03-10  David S. Miller  <davem@davemloft.net>
462
463         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
464
465 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
466
467         * icf.cc (get_section_contents): Add '@' marker after processing the
468         merge reloc.
469
470 2010-03-08  Doug Kwan  <dougkwan@google.com>
471
472         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
473         due to a conversion warning.
474         (Arm_relobj::update_output_local_symbol_count): Check for local
475         symbol with unset output index.
476
477 2010-03-05  Ian Lance Taylor  <iant@google.com>
478
479         * options.h (class General_options): Add --spare-dynamic-tags.
480         * output.cc (Output_data_dynamic::set_final_data_size): Implement
481         --spare-dynamic-tags.
482
483 2010-03-05  Ian Lance Taylor  <iant@google.com>
484
485         * incremental.cc: Include "libiberty.h".
486
487 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
488
489         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
490         function, is_info_ member.
491         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
492         (Versions::Versions): Update caller.
493         (Versions::define_base_version): Likewise.
494         (Versions::add_def): Likewise.
495
496 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
497
498         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
499         (Scan::possible_function_pointer_reloc): New function.
500         (Scan::local_reloc_may_be_function_pointer): Change to call
501         possible_function_pointer_reloc.
502         (Scan::global_reloc_may_be_function_pointer): Ditto.
503         * icf.h (Icf::check_section_for_function_pointers): Change to reject
504         relocations in ".data.rel.ro._ZTV" section.
505         * testsuite/icf_safe_so_test.sh: Change to pass i386.
506         * testsuite/icf_safe_so_test.cc: Ditto.
507         * testsuite/icf_safe_test.cc: Ditto.
508         * testsuite/icf_safe_test.sh: Ditto.
509
510 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
511             Ian Lance Taylor  <iant@google.com>
512
513         * target-reloc.h (relocate_section): Check the symbol table index
514         for -1U before setting the local symbol index.
515         (scan_relocatable_relocs): If copying the relocation, record that
516         the local symbol is required.
517         * object.h (Symbol_value::is_output_symtab_index_set): New
518         function.
519         (Symbol_value::may_be_discarded_from_output_symtab): New
520         function.
521         (Symbol_value::has_output_symtab_entry): New function.
522         (Symbol_value::needs_output_symtab_entry): Remove.
523         (Symbol_value::output_symtab_index): Make sure the symbol index is
524         set.
525         (Symbol_value::set_output_symtab_index): Make sure the symbol
526         index is not set.  Make sure the new index is valid.
527         (Symbol_value::set_must_have_output_symtab_entry): New function.
528         (Symbol_value::has_output_dynsym_entry): New function.
529         (Symbol_value::set_output_dynsym_index): Make sure the new index
530         is valid.
531         (Sized_relobj::set_must_have_output_symtab_entry): New function.
532         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
533         local symbol if permitted.
534         (Sized_relobj::do_finalize_local_symbols): Call
535         is_output_symtab_index_set rather than needs_output_symtab_entry.
536         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
537         rather than needs_output_symtab_entry.  Call
538         has_output_dynsym_entry rather than needs_output_dynsym_entry.
539         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
540         is_output_symtab_index_set rather than needs_output_symtab_entry.
541         * testsuite/discard_locals_relocatable_test.c: New file.
542         * testsuite/discard_locals_test.sh: Test -r.
543         * testsuite/Makefile.am (check_DATA): Add
544         discard_locals_relocatable_test1.syms,
545         discard_local_relocatable_test2.syms.
546         (MOSTLYCLEANFILES): Likewise.  Also add
547         discard_locals_relocatable_test1.lout and
548         discard_locals_relocatable_test2.out.
549         (discard_locals_relocatable_test1.syms): New target.
550         (discard_locals_relocatable_test.o): New target.
551         (discard_locals_relocatable_test1.out): New target.
552         (discard_locals_relocatable_test2.syms): New target.
553         (discard_locals_relocatable_test2.out): New target.
554         (various): Add missing ../ld-new dependencies.
555         * testsuite/Makefile.in: Rebuild.
556
557 2010-03-03  Nick Clifton  <nickc@redhat.com>
558
559         * po/fi.po: New Finnish translation.
560
561 2010-03-01  Doug Kwan  <dougkwan@google.com>
562
563         * layout.cc (Layout::Layout): Force section types of .init_array*,
564         .preinit_array* and .fini_array* sections.
565         * output.cc (Output_section::Input_section_sort_entry::has_priority):
566         Fix check of return value of std::string::find.().
567         (Output_section::Input_section_sort_compare::operator()): Remove
568         comment about .init_array.
569         (Output_section::Input_section_sort_init_fini_compare::operator()):
570         New method.
571         (Output_section::sort_attached_input_sections): Handle .init_array
572         and .fini_array specially.
573         * output.h (Output_section::Inut_section_sort_compare): Update
574         comment.
575         (Output_section::Input_section_sort_init_fini_compare): New struct.
576
577 2010-02-26  Doug Kwan  <dougkwan@google.com>
578
579         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
580         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
581         * testsuite/debug_msg.sh: Avoid matching source line number for
582         use of global variable undef_int.
583
584 2010-02-26  Doug Kwan  <dougkwan@google.com>
585
586         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
587         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
588         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
589         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
590         * options.cc (General_options::General_options): Initialize member
591         fix_v4bx_.
592         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
593         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
594         and rm_no_fix_v4bx.stdout
595         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
596         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
597         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
598         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
599         and arm_no_fix_v4bx.
600         * Makefile.in: Regenerate.
601         * testsuite/arm_fix_v4bx.s: New file.
602         * testsuite/arm_fix_v4bx.sh: Ditto.
603
604 2010-02-24  Doug Kwan  <dougkwan@google.com>
605
606         * arm.cc (Target_arm::got_section): Make the .got section the first
607         non RELRO section in the data segment.
608         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
609         suffixes of section names.
610
611 2010-02-24  Doug Kwan  <dougkwan@google.com>
612
613         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
614         flags and attributes merging if an input file is a binary file.
615         * fileread.cc (Input_file::open): Record format of original file.
616         * fileread.h (Input_file::Format): New enum type.
617         (Input_file::Input_file): Initialize data member format_.
618         (Input_file::format): New method definition.
619         (Input_file::format_):: New data member.
620
621 2010-02-24  Doug Kwan  <dougkwan@google.com>
622
623         * arm.cc (Arm_output_data_got): New class.
624         (ARM_TCB_SIZE): New constant
625         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
626         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
627         If user uses a script with a SECTIONS clause, issue only a warning
628         for a misplaced EXIDX input section.  Otherwise, issue an error.
629         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
630         garbage collection.
631         (Target_arm::got_mode_index_entry): Handle static linking.
632         (Target_arm::Scan::local): Ditto.
633         (Target_arm::Scan::global): Ditto.
634         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
635         all incorrectly implemented relocations.
636         (Target_arm::fix_exidx_coverage): Pass layout to 
637         Arm_output_section::fix_exidx_coverage.
638         * layout.cc (Layout::section_name_mapping): Remove trailing dots
639         from ".ARM.exidx." and ".ARM.extab.".
640
641 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
642
643         * arm.cc (Target_arm::do_finalize_sections): Create attribute
644         section if it does not already exist.
645         * attributes.cc (Attributes_section_data::Attributes_section_data):
646         Don't crash if size is zero.
647
648 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
649             Ian Lance Taylor  <iant@google.com>
650
651         * gold.cc (queue_middle_tasks): If no input files were opened,
652         exit.
653         * workqueue.h (Task_function::Task_function): Assert that there is
654         a blocker.
655
656 2010-02-22  Doug Kwan  <dougkwan@google.com>
657
658         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
659         * icf.cc (get_section_contents): Cast snprintf arguments to long long
660         types to avoid warnings due to different uint64_t implementations
661         on different hosts.
662
663 2010-02-21  Doug Kwan  <dougkwan@google.com>
664
665         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
666         handling of the maximum backward branch offset.
667         (Arm_relocate_functions::thumb_branch_common): Ditto.
668         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
669         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
670         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
671         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
672         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
673         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
674         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
675         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
676         thumb_bl_out_of_range thumb_bl_out_of_range.o,
677         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
678         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
679         thumb2_bl_out_of_range.o): New rules.
680         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
681         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
682         thumb2_bl_out_of_range
683         * testsuite/Makefile.in: Regenerate.
684         * testsuite/arm_bl_in_range.s: New file.
685         * testsuite/arm_bl_out_of_range.s: Ditto.
686         * testsuite/arm_branch_in_range.sh: Ditto.
687         * testsuite/arm_branch_range.t: Ditto.
688         * testsuite/thumb2_branch_range.t: Ditto.
689         * testsuite/thumb_bl_in_range.s: Ditto.
690         * testsuite/thumb_bl_out_of_range.s: Ditto.
691         * testsuite/thumb_branch_range.t: Ditto.
692
693 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
694
695         * gc.h (gc_process_relocs): Change vectors to point to the new list.
696         Add reloc offset information.
697         * icf.cc (get_section_contents): Change iterators to point to the new
698         vectors. Add reloc offset information to the contents.
699         * icf.h (Icf::Sections_reachable_info): New typedef.
700         (Icf::Sections_reachable_list): New typedef.
701         (Icf::Offset_info): New typedef.
702         (Icf::Reloc_info): New struct typedef.
703         (Icf::Reloc_info_list): New typedef.
704         (Icf::symbol_reloc_list): Delete method.
705         (Icf::addend_reloc_list): Delete method.
706         (Icf::section_reloc_list): Delete method.
707         (Icf::reloc_info_list): New method.
708         (Icf::reloc_info_list_): New member.
709
710 2010-02-19  Doug Kwan  <dougkwan@google.com>
711
712         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
713         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
714         * arm.cc (Arm_relocation_functions): New forward declaration.
715         (Target_arm::Target_arm): Initialize new data members
716         got_mod_index_offset_ and tls_base_symbol_defined_.
717         (Target_arm::Relocate::relocate_tls): New method.
718         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
719          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
720         New methods.
721         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
722         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
723         (Target_arm::got_mod_index_offset_,
724         Target_arm::tls_base_symbol_defined_): New data members.
725         (Target_arm::Scan::local, Target::Scan::global,
726         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
727         relocations.
728
729 2010-02-18  Doug Kwan  <dougkwan@google.com>
730
731         * arm.cc (Arm_relobj::find_linked_text_section): New method.
732         (Arm_relobj::make_exidx_input_section): Pass section index of linked
733         text section as a parameter becuase some broken tools may not set
734         the link in section header.
735         (Target_arm::has_got_section): New method.
736         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
737         without any mapping symbol as data only.  Remove warning.
738         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
739         link in its section header, try to discover the link by inspecting the
740         REL31 relocation at the beginning of the section.
741         (Target_arm::Scan::check_non_pic): Report name of offending relocation
742         in error message.
743         (Target_arm::Scan::global): Treat any reference to the symbol
744         _GLOBAL_OFFSET_TABLE_ as a GOT access.
745
746 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
747
748         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
749         (Scan::global_reloc_may_be_function_pointer): New function.
750         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
751         (Scan::global_reloc_may_be_function_pointer): New function.
752         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
753         (Scan::global_reloc_may_be_function_pointer): New function.
754         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
755         (Scan::global_reloc_may_be_function_pointer): New function.
756         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
757         (Scan::global_reloc_may_be_function_pointer): New function.
758         (Scan::possible_function_pointer_reloc): New function.
759         (Target_x86_64::can_check_for_function_pointers): New function.
760         * gc.h (gc_process_relocs): Scan relocation types to determine if
761         function pointers were taken for targets that support it.
762         * icf.cc (Icf::find_identical_sections): Include functions for
763         folding in safe ICF whose pointer is not taken.
764         * icf.h (Secn_fptr_taken_set): New typedef.
765         (fptr_section_id_): New member.
766         (section_has_function_pointers): New function.
767         (set_section_has_function_pointers): New function.
768         (check_section_for_function_pointers): New function.
769         * options.h: Fix comment for safe ICF option.
770         * target.h (can_check_for_function_pointers): New function.
771         * testsuite/Makefile.am: Add icf_safe_so_test test case.
772         Modify icf_safe_test for X86-64.
773         * testsuite/Makefile.in: Regenerate.
774         * testsuite/icf_safe_so_test.cc: New file.
775         * testsuite/icf_safe_so_test.sh: New file.
776         * testsuite/icf_safe_test.cc (kept_func_3): New function.
777         (main): Change to take pointer to function kept_func_3.
778         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
779         folding is done correctly for X86-64.
780
781 2010-02-12  David S. Miller  <davem@davemloft.net>
782
783         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
784         is_symbolless parameter.
785         (Output_reloc<SHT_REL>::is_symbolless): New.
786         (Output_reloc<SHT_REL>::is_symbolless_): New.
787         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
788         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
789         (Output_reloc<SHT_RELA>::is_symbolless): New.
790         (Output_data_reloc::add_global): Handle is_symbolless.
791         (Output_data_reloc::add_global_relative): Likewise.
792         (Output_data_reloc::add_local): Likewise.
793         (Output_data_reloc::add_local_relative): Likewise.
794         (Output_data_reloc::add_symbolless_global_addend): New.
795         (Output_data_reloc::add_symbolless_local_addend): New.
796         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
797         is_symbolless.
798         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
799         instead of ->is_relative_
800         (Output_reloc::write): Likewise.
801         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
802         (Output_reloc::write_rel): Simplify.
803
804         * sparc.cc (Target_sparc::Scan::local): Use
805         ->add_symbolless_local_addend as needed.
806         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
807         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
808         based upon relocation offset.
809
810 2010-02-11  Doug Kwan  <dougkwan@google.com>
811
812         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
813         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
814         beginning of function.
815         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
816         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
817         parameter is_32bit in calls to should_apply_static_reloc.
818         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
819         (check_DATA): Add arm_abs_global.stdout.
820         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
821         arm_abs_global.stdout): New rules.
822         (MOSTLLYCLEANFILES): Add arm_abs_global
823         * Makefile.in: Regenerate.
824         * testsuite/arm_abs_global.s: New file.
825         * testsuite/arm_abs_global.sh: Ditto.
826         * testsuite/arm_abs_lib.s: Ditto.
827
828 2010-02-11  Ian Lance Taylor  <iant@google.com>
829
830         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
831         Read_relocs task.
832         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
833         Allocate_commons_task first.
834         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
835         task, rather than symtab_lock_.
836         (Gc_process_relocs::~Gc_process_relocs): New function.
837         (Gc_process_relocs::is_runnable): Check this_blocker_.
838         (Gc_process_relocs::locks): Use next_blocker_ rather than
839         blocker_.
840         (Scan_relocs::~Scan_relocs): New function.
841         (Scan_relocs::is_runnable): Check this_blocker_ rather than
842         symtab_lock_.
843         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
844         next_blocker_.
845         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
846         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
847         constructor accordingly.
848         (class Gc_process_relocs): Likewise.
849         (class Scan_relocs): Likewise.
850         * common.h (class Allocate_commons_task): Remove symtab_lock_
851         field, and corresponding constructor parameter.
852         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
853         symtab_lock_.
854         (Allocate_commons_task::locks): Likewise.
855
856 2010-02-11  Ian Lance Taylor  <iant@google.com>
857
858         * gold-threads.h (class Once): Define.
859         (class Initialize_lock): Rewrite as child of Once.
860         * gold-threads.cc (class Once_initialize): Define.
861         (once_pointer_control): New static variable.
862         (once_pointer, once_arg): New static variables.
863         (c_run_once): New static function.
864         (Once::Once, Once::run_once, Once::internal_run): New functions.
865         (class Initialize_lock_once): Remove.
866         (initialize_lock_control): Remove.
867         (initialize_lock_pointer): Remove.
868         (initialize_lock_once): Remove.
869         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
870         (Initialize_lock::initialize): Rewrite.
871         (Initialize_lock::do_run_once): New function.
872         * archive.cc (Archive::interpret_header): Only clear name if it is
873         not already empty.
874         * fileread.cc: Include "gold-threads.h"
875         (file_counts_lock): New static variable.
876         (file_counts_initialize_lock): Likewise.
877         (File_read::release): Only increment counts when using --stats.
878         Use a lock around the increment.
879         * parameters.cc (class Set_parameters_target_once): Define.
880         (set_parameters_target_once): New static variable.
881         (Parameters::Parameters): Move here from parameters.h.
882         (Parameters::set_target): Rewrite.
883         (Parameters::set_target_once): New function.
884         (Parameters::clear_target): Move here and rewrite.
885         * parameters.h (class Parameters): Update declarations.  Add
886         set_parameters_target_once_ field.
887         (Parameters::Parameters): Move to parameters.cc.
888         (Parameters::clear_target): Likewise.
889         * readsyms.cc (Read_symbols::do_group): Create a Start_group
890         task.
891         (Start_group::~Start_group): New function.
892         (Start_group::is_runnable): New function.
893         (Start_group::locks, Start_group::run): New functions.
894         (Finish_group::run): Change saw_undefined to size_t.
895         * readsyms.h (class Start_group): Define.
896         (class Finish_group): Change saw_undefined_ field to size_t.
897         (Finish_group::Finish_group): Remove saw_undefined and
898         this_blocker parameters.  Change all callers.
899         (Finish_group::set_saw_undefined): New function.
900         (Finish_group::set_blocker): New function.
901         * symtab.h (class Symbol_table): Change saw_undefined to return
902         size_t.  Change saw_undefined_ field to size_t.
903         * target-select.cc (Set_target_once::do_run_once): New function.
904         (Target_selector::Target_selector): Initialize set_target_once_
905         field.  Don't initialize lock_ and initialize_lock_ fields.
906         (Target_selector::instantiate_target): Rewrite.
907         (Target_selector::set_target): New function.
908         * target-select.h (class Set_target_once): Define.
909         (class Target_selector): Update declarations.  Make
910         Set_target_once a friend.  Remove lock_ and initialize_lock_
911         fields.  Add set_target_once_ field.
912
913 2010-02-10  Ian Lance Taylor  <iant@google.com>
914
915         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
916         queueing any tasks.
917         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
918         (queue_middle_tasks): Add all blockers before queueing any tasks.
919         (queue_final_tasks): Likewise.
920         * token.h (Task_token::add_blockers): New function.
921         * object.h (Input_objects::number_of_relobjs): New function.
922
923 2010-02-10  Ian Lance Taylor  <iant@google.com>
924
925         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
926         shared, not if not position independent.
927         * x86_64.cc (Relocate::relocate_tls): Likewise.
928         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
929         (tls_pie_pic_test): New target.
930         * testsuite/Makefile.in: Rebuild.
931
932         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
933         (tls_test_main_pie.o, tls_test_pie.o): New targets.
934         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
935         * testsuite/Makefile.in: Rebuild.
936
937 2010-02-09  David S. Miller  <davem@davemloft.net>
938
939         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
940         R_SPARC_RELATIVE using ->add_local_relative().
941         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
942
943         * output.h (Output_data_dynamic::add_section_size): New method
944         that takes two Output_data objects.
945         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
946         entry param.  Handle it in initializers.
947         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
948         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
949         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
950         arg.
951         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
952         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
953         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
954         for dynrel_includes_plt.
955         * i386.cc (Target_i386::do_finalize_sections): Likewise.
956         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
957         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
958         before .rela.plt
959         (Target_sparc::do_finalize_sections): Update to pass true for
960         dynrel_includes_plt.
961         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
962         output before .rela.plt
963         (Target_powerpc::do_finalize_sections): Update to pass true for
964         dynrel_includes_plt when 32-bit.
965
966 2010-02-08  Doug Kwan  <dougkwan@google.com>
967
968         * arm.cc (Arm_relobj::simple_input_section_output_address): New
969         method.
970         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
971         Arm_relobj::scan_section_for_cortex_a8_stubs,
972         Arm_relobj::do_relocation_section): Instead of calling
973         Output_section::output_address, use faster
974         Arm_relobj::simple_input_section_output_address.
975
976 2010-02-08  David S. Miller  <davem@davemloft.net>
977
978         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
979         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
980         relocation helper function.
981
982         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
983         just like R_SPARC_GOT{10,13,22}.
984         (Target_sparc::Scan::local): Likewise.
985         (Target_sparc::Relocate:relocate): Likewise.
986
987 2010-02-06  Ian Lance Taylor  <iant@google.com>
988
989         * configure.ac: Rewrite targetobjs duplicate removal code to use
990         only shell constructs.
991         * configure: Rebuild.
992
993 2010-02-05  Doug Kwan  <dougkwan@google.com>
994
995         PR 11247
996         * arm.cc (Arm_relobj::section_is_scannable): New method.
997         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
998         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
999
1000 2010-02-04  Doug Kwan  <dougkwan@google.com>
1001
1002         PR 11247
1003         * arm-reloc-property.cc (cstdio): Include.
1004         * configure.ac (targetobjs): Remove duplicates.
1005         * configure: Regenerate.
1006         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1007         big and little endian version for a given address size.
1008
1009 2010-02-03  Doug Kwan  <dougkwan@google.com>
1010
1011         * arm-reloc-property.cc
1012         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1013         definition.
1014         * arm-reloc-property.h
1015         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1016         New method definition.
1017         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1018         declaration.
1019         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1020         overflow to N.
1021         (GOT_PREL): Change implemented to Y.
1022         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1023         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1024         (Arm_relocate_functions::movw_abs_nc): Remove method.
1025         (Arm_relocate_functions::movt_abs): Ditto.
1026         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1027         (Arm_relocate_functions::thm_movt_abs): Ditto.
1028         (Arm_relocate_functions::movw_rel_nc): Ditto.
1029         (Arm_relocate_functions::movw_rel): Ditto.
1030         (Arm_relocate_functions::movt_rel): Ditto.
1031         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1032         (Arm_relocate_functions:thm_movw_rel): Ditto.
1033         (Arm_relocate_functions:thm_movt_rel): Ditto.
1034         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1035         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1036         New method definitions.
1037         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1038         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1039         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1040         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1041         (Target_arm::Relocate::relocate): Check for non-static or
1042         unimplemented relocation code and exit early.  Change calls to
1043         Target_arm::reloc_uses_thumb_bit and
1044         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1045         instead.  Refactor code to handle similar relocations to increase
1046         code sharing.  Remove check for unsupported relocation code in switch
1047         statement.
1048         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1049         relocation property table to find out size.  Change error message to
1050         print out the name of a relocation code instead of the numeric value.
1051         (Target_arm::scan_reloc_for_stub): Use relocation property table
1052         instead of calling Target_arm::reloc_uses_thumb_bit().
1053
1054 2010-02-02  Doug Kwan  <dougkwan@google.com>
1055
1056         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1057         types of relaxed input section.
1058
1059 2010-02-02  Doug Kwan  <dougkwan@google.com>
1060
1061         * Makefile.am (HFILES): Add arm-reloc-property.h.
1062         (DEFFILES): New.
1063         (TARGETSOURCES): Add arm-reloc-property.cc
1064         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1065         (libgold_a_SOURCES): $(DEFFILES)
1066         * Makefile.in: Regenerate.
1067         * arm-reloc-property.cc: New file.
1068         * arm-reloc-property.h: New file.
1069         * arm-reloc.def: New file.
1070         * arm.cc: Update comments.
1071         (arm-reloc-property.h): New included header.
1072         (arm_reloc_property_table): New global variable.
1073         (Target_arm::do_select_as_default_target): New method definition.
1074         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1075         arm-reloc-property to targ_extra_obj.
1076         * parameters.cc (set_parameters_target): Call
1077         Target::select_as_default_target().
1078         * target.h (Target::select_as_default_target): New method definition.
1079         (Target::do_select_as_default_target): Same.
1080
1081 2010-02-01  Doug Kwan  <dougkwan@google.com>
1082
1083         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1084         first_output_text_section_.
1085         (Arm_exidx_fixup::first_output_text_section): New method definition.
1086         (Arm_exidx_fixup::first_output_text_section_): New data member.
1087         (Arm_exidx_fixup::process_exidx_section): Record the first text
1088         output section seen.
1089         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1090         and entsize in output section header.
1091
1092 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1093
1094         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1095         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1096         (Arm_relocate_functions::thm_alu11): New Method.
1097         (Arm_relocate_functions::thm_pc8): New Method.
1098         (Arm_relocate_functions::thm_pc12): New Method.
1099         (Target_arm::Scan::local): Handle the relocations.
1100         (Target_arm::Scan::global): Likewise.
1101         (Target_arm::Relocate::relocate): Likewise.
1102         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1103
1104 2010-01-29  Doug Kwan  <dougkwan@google.com>
1105
1106         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1107         of relocation types as ld.
1108
1109 2010-01-29  Doug Kwan  <dougkwan@google.com>
1110
1111         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1112         to public.
1113         (Arm_relocate_functions::thumb_branch_common): Ditto.
1114         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1115         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1116         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1117         Arm_relocate_functions::jump24): Remove.
1118         (Target_arm::Relocate::relocate): Adjust code to call
1119         Arm_relocation_functions::arm_branch_common and
1120         Arm_relocation_functions::thumb_branch_common instead of their removed
1121         wrappers.  Merge switch-cases together to reduce source code size.  
1122
1123 2010-01-29  Doug Kwan  <dougkwan@google.com>
1124
1125         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1126         output_local_symbol_count_needs_update_.
1127         (Arm_relobj::output_local_symbol_count_needs_update,
1128          Arm_relobj::set_output_local_symbol_count_needs_update,
1129          Arm_relobj::update_output_local_symbol_count): New methods.
1130         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1131         member.
1132         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1133         of pointed function as in a R_ARM_PREL31 relocation.
1134         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1135         for output local symbol count updating.
1136         (Target_arm::do_relax): Update output local symbol counts in objects
1137         if necessary.
1138         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1139
1140 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1141
1142         * arm.cc: Added support for the ARM relocations:
1143         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1144         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1145         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1146         movw_prel_nc).
1147         (Arm_relocate_functions::movw_rel): New method.
1148         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1149         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1150         thm_movw_prel_nc).
1151         (Arm_relocate_functions::thm_movw_rel): New method.
1152         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1153         thm_movt_prel).
1154         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1155         relocations.
1156         (Target_arm::Scan::global): Likewise.
1157         (Target_arm::Relocate::relocate): Likewise.
1158         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1159         Likewise.
1160
1161 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1162
1163         * arm.cc: Added support for ARM group relocations.
1164         (Target_arm::reloc_needs_sym_origin): New method.
1165         (Arm_relocate_functions::calc_grp_kn): New method.
1166         (Arm_relocate_functions::calc_grp_residual): New method.
1167         (Arm_relocate_functions::calc_grp_gn): New method.
1168         (Arm_relocate_functions::arm_grp_alu): New Method.
1169         (Arm_relocate_functions::arm_grp_ldr): New Method.
1170         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1171         (Arm_relocate_functions::arm_grp_ldc): New Method.
1172         (Target_arm::Scan::local): Handle the ARM group relocations.
1173         (Target_arm::Scan::global): Likewise.
1174         (Target_arm::Relocate::relocate): Likewise.
1175         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1176         Likewise.
1177
1178 2010-01-26  Doug Kwan  <dougkwan@google.com>
1179
1180         * arm.cc (set): Include.
1181         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1182         pointer type.
1183         (Arm_output_section::Text_section_list): New type.
1184         (Arm_output_section::append_text_sections_to_list): New method.
1185         (Arm_output_section::fix_exidx_coverage): Ditto.
1186         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1187         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1188         Relobj::set_section_offset() instead of
1189         Sized_relobj::invalidate_section_offset().
1190         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1191         parameter for section headers. Ignore relocation sections for
1192         unallocated sections and EXIDX sections.
1193         (Target_arm::fix_exidx_coverage): New method.
1194         (Target_arm::output_section_address_less_than): New type.
1195         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1196         linked text section instead of the EXIDX section.
1197         (Arm_output_section::create_stub_group): Add an assertion to check
1198         that this is not an EXIDX output section.
1199         (Arm_output_section::append_text_sections_to_list): New method.
1200         (Arm_output_section::fix_exidx_coverage): Ditto.
1201         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1202         Arm_relobj::section_needs_reloc_stub_scanning.
1203         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1204         first pass.
1205         (Target_arm::fix_exidx_coverage): New method.
1206         * object.h (Relobj::set_output_section): New method.
1207         (Sized_relobj::invalidate_section_offset): Remove method.
1208         (Sized_relobj::do_invalidate_section_offset): Remove method.
1209         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1210
1211 2010-01-25  Doug Kwan  <dougkwan@google.com>
1212
1213         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1214         Fix warning due to signed and unsigned comparison on a 32-bit host.
1215
1216 2010-01-22  Doug Kwan  <dougkwan@google.com>
1217
1218         * arm.cc (Target_arm::do_relax): Record an output section for section
1219         offset adjustment it contains any stub table that has changed.
1220         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1221         offsets in an output section if necessary.
1222         * output.cc (Output_section::Output_section): Initialize
1223         section_offsets_need_adjustments_.
1224         (Output_section::add_input_section_for_script): Renamed to
1225         Output_section::add_simple_input_section.
1226         (Output_section::save_states): Add a comment.
1227         (Output_section::discard_states): New method defintion.
1228         (Output_section::adjust_section_offsets): Same.
1229         * output.h (Output_section::add_input_section_for_script): Renamed to
1230         Output_section::add_simple_input_section.
1231         (Output_section::discard_states): New method declaration.
1232         (Output_section::adjust_section_offsets): Same.
1233         (Output_section::section_offsets_need_adjustment,
1234         Output_section::set_section_offsets_need_adjustment): New method
1235         definitions.
1236         (Output_section::section_offsets_need_adjustment_): New data member.
1237         * script-sections.cc
1238         (Output_section_element_input::set_section_address): Adjust code for
1239         renaming of Output_section::add_input_section_for_script.
1240         (Orphan_output_section::set_section_address): Same.
1241
1242 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1243
1244         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1245         Fix_v4bx enum values .
1246         * gold/options.h (General_options): New option definitions.
1247         (General_options::fix_v4bx): New method.
1248         (General_options::Fix_v4bx): New enum.
1249         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1250         (General_options::parse_fix_v4bx_interworking): New method.
1251
1252 2010-01-22  Doug Kwan  <dougkwan@google.com>
1253
1254         * arm.cc (Arm_exidx_fixup): New class.
1255
1256 2010-01-21  Doug Kwan  <dougkwan@google.com>
1257
1258         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1259         classes.
1260         (Arm_exidx_section_offset_map): New type.
1261
1262 2010-01-21  Doug Kwan  <dougkwan@google.com>
1263
1264         * arm.cc (Arm_exidx_input_section): New class.
1265         (Arm_relobj::exidx_input_section_by_link,
1266         Arm_relobj::exidx_input_section_by_shndx,
1267         Arm_relobj::make_exidx_input_section): New methods.
1268         (read_arm_attributes_section): Remove.
1269         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1270         information about them.
1271         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1272         to here.
1273
1274 2010-01-20  Doug Kwan  <dougkwan@google.com>
1275
1276         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1277         Input_section_specifier to Section_id.
1278         (Target_arm::new_arm_input_section: Adjust code for change of key
1279         type.
1280         (Target_arm::find_arm_input_section): Ditto.
1281         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1282         (Section_id): Remove.
1283         (Garbage_collection::Section_id_hash): Remove.
1284         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1285         (Section_id): Remove.
1286         (Icf::Section_id_hash): Remove.
1287         * object.h (Section_id, Const_section_id, Section_id_hash,
1288         Const_section_id_hash): New type definitions.
1289         * output.cc (Output_section::add_relaxed_input_section): Change to
1290         use Const_section_id instead of Input_section_specifier as key type.
1291         (Output_section::add_merge_input_section): Ditto.
1292         (Output_section::build_relaxation_map): Change to use Section_id
1293         instead of Input_section_specifier as key type.
1294         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1295         Ditto.
1296         (Output_section::convert_input_sections_to_relaxed_sections): Change
1297         to use Const_section_id instead of Input_section_specifier as key type.
1298         (Output_section::find_merge_section): Ditto.
1299         (Output_section::find_relaxed_input_section): Ditto.
1300         * output.h (Input_section_specifier): Remove class.
1301         (Output_section::Output_section_data_by_input_section_map): Change
1302         key type to Const_section_id.
1303         (Output_section::Output_relaxed_input_section_by_input_section_map):
1304         Ditto.
1305         (Output_section::Relaxation_map): Change key type to Section_id.
1306
1307 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1308
1309         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1310         (class Arm_v4bx_stub): New class.
1311         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1312         (Stub_factory::make_arm_v4bx_stub): New method.
1313         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1314         (Stub_table::empty): Handle v4bx stubs.
1315         (Stub_table::add_arm_v4bx_stub): New method.
1316         (Stub_table::find_arm_v4bx_stub): New method.
1317         (Arm_relocate_functions::v4bx): New method.
1318         (Target_arm::fix_v4bx): New method.
1319         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1320         (Stub_table::relocate_stubs): Likewise.
1321         (Stub_table::do_write): Likewise.
1322         (Stub_table::update_data_size_and_addralign): Likewise.
1323         (Stub_table::finalize_stubs):  Likewise.
1324         (Target_arm::Scan::local): Likewise.
1325         (Target_arm::Scan::global): Likewise.
1326         (Target_arm::do_finalize_sections): Likewise.
1327         (Target_arm::Relocate::relocate): Likewise.
1328         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1329         Likewise.
1330         (Target_arm::scan_reloc_for_stub): Likewise.
1331         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1332
1333 2010-01-19  Ian Lance Taylor  <iant@google.com>
1334
1335         * output.cc (Output_section_headers::do_sized_write): Write large
1336         segment count to sh_info field.
1337         (Output_file_header::do_sized_write): For large segment count,
1338         write PN_XNUM to e_phnum field.
1339
1340 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1341
1342         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1343         (Arm_relocate_functions::thm_jump8): New function.
1344         (Arm_relocate_functions::thm_jump11): New function.
1345         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1346         R_ARM_THM_JUMP11.
1347         (Target_arm::Scan::global): Likewise.
1348         (Target_arm::Relocate::relocate): Likewise.
1349         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1350         Likewise.
1351
1352 2010-01-14  Doug Kwan  <dougkwan@google.com>
1353
1354         * arm.cc (map, utility): Include headers.
1355         (Target_arm::apply_cortex_a8_workaround): New method.
1356         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1357         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1358         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1359         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1360         the --[no-]fix-cortex-a8 command line options.
1361         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1362         (Target_arm::relocate_stub): Use addend in instruction template.
1363         * options.h (DEFINE_bool): Set the user-set flag.
1364         (General_options): Add --[no-]-fix-cortex options.
1365         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1366         : Update fast look-up map after conversion. 
1367
1368 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1369
1370         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1371         in the first pass of do_layout.
1372
1373 2010-01-13  Doug Kwan  <dougkwan@google.com>
1374
1375         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1376         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1377         apparent compiler problem of not folding static constant integral
1378         data members of elfcpp::Elf_sizes<32>.
1379
1380 2010-01-13  Doug Kwan  <dougkwan@google.com>
1381
1382         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1383         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1384         Arm_relobj::scan_section_for_cortex_a8_erratum,
1385         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1386         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1387         sections to scan for relocation stubs into a new method
1388         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1389         relocation and Cortex-A8 stub scanning.
1390         (Target_arm::do_relax): Force stubs to be after stubbed sections
1391         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1392         the beginning of a new relaxation pass.  Update a comment. 
1393         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1394
1395 2010-01-12  Ian Lance Taylor  <iant@google.com>
1396
1397         * target-reloc.h (visibility_error): New inline function.
1398         (relocate_section): Call visibility_error.
1399         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1400         (MOSTLYCLEANFILES): Likewise.
1401         (protected_4_pic.o, protected_3.err): New targets.
1402         * testsuite/protected_4.cc: New file.
1403
1404 2010-01-12  Doug Kwan  <dougkwan@google.com>
1405
1406         * arm.cc (Cortex_a8_reloc): New class.
1407         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1408         and cortex_a8_relocs_info_.
1409         (Target_arm::fix_cortex_a8): New method definition.
1410         (Target_arm::Cortex_a8_relocs_info): New type.
1411         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1412         New data member declarations.
1413         (Target_arm::scan_reloc_for_stub): Record information about
1414         relocations for THUMB branches that might be exempted from the
1415         Cortex-A8 workaround.
1416         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1417         at the beginning of a relaxation pass.
1418
1419 2010-01-12  Doug Kwan  <dougkwan@google.com>
1420
1421         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1422         (Arm_relobj::Mapping_symbol_position,
1423          Arm_reloj::Mapping_symbol_position_less,
1424          Arm_relobj::Mapping_symbols_info): New types.
1425         (Target_arm::is_mapping_symbol_name): New method definition.
1426         (Arm_relobj::do_count_local_symbols): Save information about mapping
1427         symbols.
1428
1429 2010-01-11  Doug Kwan  <dougkwan@google.com>
1430
1431         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1432         Arm_relocate_functions::thumb32_branch_upper,
1433         Arm_relocate_functions::thumb32_branch_lower,
1434         Arm_relocate_functions::thumb32_cond_branch_offset,
1435         Arm_relocate_functions::thumb32_cond_branch_upper,
1436         Arm_relocate_functions::thumb32_cond_branch_lower,
1437         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1438         branch offset encoding.
1439         (Arm_relocate_functions::thumb_branch_common): Use new branch
1440         offset encoding methods to avoid code duplication.
1441         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1442         (Stub_addend_reader::operator()): Use new branch encoding method
1443         to avoid code duplication.
1444
1445 2010-01-11  Doug Kwan  <dougkwan@google.com>
1446
1447         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1448         (Target_arm::do_finalize_sections): Define special EXIDX section
1449         symbols only if referenced.
1450         * gc.h (Garbage_collection::add_reference): New method.
1451         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1452         code duplication.
1453
1454 2010-01-11  Ian Lance Taylor  <iant@google.com>
1455
1456         * script.cc (Version_script_info::build_expression_list_lookup):
1457         Change complaing about duplicate wildcard match from error to
1458         warning.
1459
1460         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1461         of 2009-12-30.
1462         (Version_script_info::Version_script_info): Initialize globs_,
1463         default_version_, default_is_global_, and exact_.  Don't
1464         initialize globals_ or locals_.
1465         (Version_script_info::build_lookup_tables): Build local symbols
1466         first.
1467         (Version_script_info::unquote): New function.
1468         (Version_script_info::add_exact_match): New function.
1469         (Version_script_info::build_expression_list_lookup): Remove lookup
1470         parameter.  Add is_global parameter.  Change all callers.  Handle
1471         wildcard pattern specially.  Unquote pattern.  Call
1472         add_exact_match.
1473         (Version_script_info::get_name_to_match): New function.
1474         (Version_script_info::get_symbol_version): New function.
1475         (Version_script_info::get_symbol_version_helper): Remove.
1476         (Version_script_info::check_unmatched_names): Call unquote.
1477         * script.h (class Version_script_info): Change get_symbol_version
1478         to be non-inline and add is_global parameter; change all callers.
1479         Rewrite symbol_is_local.  Update declarations.  Define struct
1480         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1481         Remove globals_ and locals_ members.  Add exact_, globs_,
1482         default_version_, is_global_.
1483         (Version_script_info::Glob): Remove pattern, add expression and
1484         is_global.  Update constructor.  Change all callers.
1485         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1486         default version.
1487         (Versions::symbol_section_contents): If a symbol is undefined, or
1488         defined in a dynamic object, set the version index to
1489         VER_NDX_LOCAL.
1490         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1491         symbol_is_local.
1492         (Symbol_table::add_from_pluginobj): Likewise.
1493         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1494
1495 2010-01-11  Doug Kwan  <dougkwan@google.com>
1496
1497         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1498         (incremental_dump_LDADD): Add linking option for libintl.
1499         * Makefile.in: Regenerate.
1500
1501 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1502
1503         PR gold/11144
1504         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1505         instead of -Ds.
1506         * testsuite/Makefile.in: Regenerated.
1507
1508 2010-01-10  Doug Kwan  <dougkwan@google.com>
1509
1510         * options.h (DEFINE_var): Use parentheses around argument varname__
1511         in macro body to avoid any unintended subsequent substitutions.
1512
1513 2010-01-10  Ian Lance Taylor  <iant@google.com>
1514
1515         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1516         candidates before doing symbol resolution.
1517
1518         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1519         ODR candidates if only one is weak.
1520
1521 2010-01-08  Ian Lance Taylor  <iant@google.com>
1522
1523         * script.cc (Version_script_info::build_expression_list_lookup):
1524         Don't warn about ambiguous version, just record the ambiguity.
1525         (Version_script_info::get_symbol_version_helper): Give error if
1526         version is ambiguous.
1527
1528 2010-01-08  Doug Kwan  <dougkwan@google.com>
1529
1530         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1531           prev_data_size_ and prev_addralign_.  Remove initializer for
1532           deleted data member has_been_changed_.
1533           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1534           to determine if the table is empty.
1535           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1536           Remove.
1537           (Stub_table::add_reloc_stub): Define method in class definition
1538           instead of just declaring it there.
1539           (Stub_table::add_cortex_a8_stub): New method definition.
1540           (Stub_table::update_data_size_and_addralign): Ditto.
1541           (Stub_table::finalize_stubs): Ditto.
1542           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1543           (Stub_table::do_addralign_): Return address alignment in the
1544           (Stub_table::do_reset_address_and_file_offset): Define method in
1545           class definition instead of declaring it there.  Set current data
1546           size to be the data size of the previous pass.
1547           (Stub_table::set_final_data_size): Use current data size as the
1548           final data size.
1549           (Stub_table::relocate_stub): Change parameter type of stub from
1550           Reloc_stub pointer to Stub pointer.
1551           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1552           (Stub_table::Cortex_a8_stub_list): New typedef.
1553           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1554            Stub_table::prev_addralign_): New data member.
1555           (Arm_relobj::Arm_relobj): Initialize data member
1556           section_has_cortex_a8_workaround_.
1557           (Arm_relobj::section_has_cortex_a8_workaround,
1558            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1559            definitions.
1560           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1561           declarations.
1562           (Target_arm::relocate_stub): Change parameter type of stub from
1563           Reloc_stub pointer to Stub pointer.
1564           (Insn_template::size, Insn_template::alignment): Handle
1565           THUMB16_SPECIAL_TYPE.
1566           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1567            Stub_table::update_data_size_and_addralign,
1568            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1569           definitions.
1570           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1571           (Stub_table::do_write): Ditto.
1572           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1573
1574 2010-01-08  Ian Lance Taylor  <iant@google.com>
1575
1576         PR 11108
1577         * symtab.h (class Symbol): Remove fields is_target_special_ and
1578         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1579         (Symbol::is_defined_in_discarded_section): New function.
1580         (Symbol::set_is_defined_in_discarded_section): New function.
1581         (Symbol::has_plt_offset): Rewrite.
1582         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1583         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1584         Don't initialize is_target_special_ or has_plt_offset_.
1585         Initialize is_defined_in_discarded_section_.
1586         (Symbol_table::add_from_relobj): If appropriate, set
1587         is_defined_in_discarded_section.
1588         * resolve.cc (Symbol::override_base_with_special): Don't test
1589         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1590         * target-reloc.h (relocate_section): Do special handling for
1591         symbols defined in discarded sections for global symbols as well
1592         as local symbols.
1593
1594 2010-01-08  Ian Lance Taylor  <iant@google.com>
1595
1596         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1597         the SHT_SYMTAB case.
1598
1599 2010-01-08  Ian Lance Taylor  <iant@google.com>
1600
1601         * object.cc (Sized_relobj::do_layout): Don't get confused if
1602         layout_eh_frame returns NULL.
1603
1604 2010-01-08  Ian Lance Taylor  <iant@google.com>
1605
1606         PR 11084
1607         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1608         dynamic symbol table, use the normal symbol table.
1609         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1610         symbol table.
1611
1612 2010-01-08  Ian Lance Taylor  <iant@google.com>
1613
1614         PR 11072
1615         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1616         sections.
1617
1618 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1619
1620         * version.cc (print_version): Change to "Copyright 2010".
1621
1622 2010-01-08  Ian Lance Taylor  <iant@google.com>
1623
1624         PR 10287
1625         PR 11063
1626         * i386.cc (class Target_i386): Change return type of plt_section
1627         to be non-const.
1628         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1629         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1630         tls_desc_rel_ field.
1631         (Output_data_plt_i386::rel_tls_desc): New function.
1632         (Target_i386::rel_tls_desc_section): New function.
1633         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1634         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1635         R_386_TLS_DESC reloc in rel_tls_desc_section.
1636         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1637         Define struct Tlsdesc_info.
1638         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1639         (Target_x86_64::do_reloc_symbol_index): New function.
1640         (Target_x86_64::add_tlsdesc_info): New function.
1641         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1642         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1643         tlsdesc_rel_ field.
1644         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1645         all callers.
1646         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1647         (Target_x86_64::rela_tlsdesc_section): New function.
1648         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1649         handling.
1650         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1651         (Target_x86_64::do_reloc_addend): New function.
1652         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1653         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1654         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1655         (Output_reloc::type): New function.
1656         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1657         (Output_reloc::is_target_specific): New function.
1658         (Output_reloc::target_arg): New function.
1659         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1660         absolute relocs and target specific relocs.
1661         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1662         add_target_specific.
1663         (class Output_data_reloc) [SHT_RELA]: Likewise.
1664         * output.cc (Output_reloc::Output_reloc): Add four new versions
1665         for absolute relocs and target specific relocs.
1666         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1667         (Output_reloc::get_symbol_index): Likewise.
1668         (Output_reloc::local_section_offset): Check that local_sym_index_
1669         is not TARGET_CODE or 0.
1670         (Output_reloc::symbol_value): Likewise.
1671         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1672         reloc.
1673         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1674         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1675         functions.
1676         * layout.cc (add_target_dynamic_tags): Use output section for
1677         DT_PLTRELSZ and DT_JMPREL.
1678
1679 2010-01-07  Ian Lance Taylor  <iant@google.com>
1680
1681         PR 11061
1682         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1683         function.
1684         (class Output_data_reloc_generic): Define.
1685         (class Output_data_reloc_base): Change base class to
1686         Output_data_reloc_generic.  Change add() method to call
1687         bump_relative_reloc_count for a relative reloc.  Remove
1688         sort_relocs_ field.
1689         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1690         to sort_relocs().
1691         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1692         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1693         appropriate.
1694         * layout.h (class Layout): Update declaration.
1695
1696 2010-01-07  Ian Lance Taylor  <iant@google.com>
1697
1698         * output.h (class Output_data): Add const version of
1699         output_section and do_output_section.
1700         (class Output_section_data): Add const version of
1701         do_output_section.
1702         (class Output_section): Likewise.
1703         * layout.cc (Layout::add_target_dynamic_tags): New function.
1704         * layout.h (class Layout): Update declarations.
1705         * arm.cc (Target_arm::do_finalize_sections): Use
1706         add_target_dynamic_tags.
1707         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1708         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1709         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1710         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1711
1712 2010-01-07  Ian Lance Taylor  <iant@google.com>
1713
1714         PR 11042
1715         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1716         object as needed.
1717
1718 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1719             Ian Lance Taylor  <iant@google.com>
1720
1721         PR 11019
1722         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1723         Xindex::read_symtab_xindex.
1724
1725 2010-01-07  Doug Kwan  <dougkwan@google.com>
1726
1727         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1728         (Insn_template::thumb16_bcond_insn): New method declaration.
1729         (Insn_template): Fix spelling.
1730         (Stub::thumb16_special): New method declaration.
1731         (Stub::do_write): Define virtual method which was previously pure
1732         virtual.
1733         (Stub::do_thumb16_special): New method declaration.
1734         (Stub::do_fixed_endian_write): New template member.
1735         (Reloc_stub::do_write): Remove.
1736         (Reloc_stub::do_fixed_endian_write): Remove.
1737         (Cortex_a8_stub): New class definition.
1738         (Stub_factory::make_cortex_a8_stub): New method definition.
1739         (Stub_factory::Stub_factory): Add missing static storage class
1740         qualifier for elf32_arm_stub_a8_veneer_blx.
1741
1742 2010-01-07  Ian Lance Taylor  <iant@google.com>
1743
1744         PR 10980
1745         * options.h (class General_options): Add --warn-unresolved-symbols
1746         and --error-unresolved-symbols.
1747         * errors.cc (Errors::undefined_symbol): Implement
1748         --warn-unresolved-symbols.
1749
1750         * options.h (class General_options): Add -z text and -z textoff.
1751         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1752
1753 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1754
1755         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1756         (Garbage_collection::cident_sections): New function.
1757         (Garbage_collection::add_cident_section): New function.
1758         (Garbage_collection::cident_sections_): New member.
1759         (gc_process_relocs): Add references to sections whose names are C
1760         identifiers.
1761         * gold.h (cident_section_start_prefix): New constant.
1762         (cident_section_stop_prefix): New constant.
1763         (is_cident): New function.
1764         * layout.cc (Layout::define_section_symbols): Replace string constants
1765         with the newly defined constants.
1766         * object.cc (Sized_relobj::do_layout): Track sections whose names are
1767         C identifiers.
1768         * testsuite/Makefile.am: Add gc_orphan_section_test.
1769         * testsuite/Makefile.in: Regenerate.
1770         * testsuite/gc_orphan_section_test.cc: New file.
1771         * testsuite/gc_orphan_section_test.sh: New file.
1772
1773 2010-01-06  Ian Lance Taylor  <iant@google.com>
1774
1775         PR 10980
1776         * options.h (class General_options): Add --warn-shared-textrel.
1777         * layout.cc (Layout::finish_dynamic_section): Implement
1778         --warn-shared-textrel.
1779
1780         PR 10980
1781         * options.h (class General_options): Add --warn-multiple-gp.
1782
1783 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1784
1785         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1786         $(THREADSLIB) and $(LIBDL).
1787         * Makefile.in: Rebuild.
1788
1789 2010-01-06  Ian Lance Taylor  <iant@google.com>
1790
1791         PR 10980
1792         * options.cc (General_options::parse_section_start): New function.
1793         (General_options::section_start): New function.
1794         (General_options::General_options): Initialize all members.
1795         * options.h: Include <map>
1796         (class General_options): Add --section-start.  Add section_starts_
1797         member.
1798         * layout.cc (Layout::attach_allocated_section_to_segment): If
1799         --section-start was used, set the address of the segment.  Remove
1800         local sort_sections.
1801         (Layout::relaxation_loop_body): If the address of the load segment
1802         has been set by --section-start, don't use it.
1803         * output.h (Output_segment::update_flags_for_output_section): New
1804         function.
1805         * output.cc (Output_segment::add_output_section): Call
1806         update_flags_for_output_section.
1807
1808 2010-01-05  Ian Lance Taylor  <iant@google.com>
1809
1810         PR 10980
1811         * options.h (class General_options): Add --undefined-version.
1812         * script.cc (struct Version_expression): Add was_matched_by_symbol
1813         field.
1814         (Version_script_info::matched_symbol): New function.
1815         (Version_script_info::get_symbol_version_helper): Call
1816         matched_symbol.
1817         (Version_script_info::check_unmatched_names): New function.
1818         * script.h (class Version_script_info): Update declarations.
1819         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1820
1821         * options.h (class General_options): Use DEFINE_bool_alias for
1822         allow_multiple_definition.
1823         * resolve.cc (Symbol_table::should_override): Don't test
1824         allow_multiple_definition.
1825
1826         PR 10980
1827         * options.h (class General_options): Add --cref.
1828         * main.cc (main): Print cref table if --cref.  Don't close mapfile
1829         until after printing cref table.
1830         * cref.cc: Include "symtab.h".
1831         (class Cref_inputs): Define Cref_table_compare and Cref_table.
1832         (Cref_table_compare::operator()): New function.
1833         (Cref_inputs::gather_cref): New function.
1834         (filecol): New static const.
1835         (Cref_inputs::print_cref): New function.
1836         (Cref::print_cref): New function.
1837         * cref.h: Include <cstdio>.
1838         (class Cref): Update declarations.
1839         * mapfile.h (Mapfile::file): New function.
1840         * object.h (class Object): Define Symbols.  Declare virtual
1841         do_get_global_symbols.
1842         (Object::get_global_symbols): New function.
1843         * object.cc (Input_objects::add_object): Pass object to cref_ if
1844         --cref.
1845         (Input_objects::archive_start): Likewise.
1846         (Input_objects::archive_stop): Likewise.
1847         (Input_objects::print_cref): New function.
1848         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1849         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1850         --cref.
1851         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1852         function.
1853         * plugin.h (class Sized_pluginobj): Update declarations.
1854
1855 2010-01-05  Ian Lance Taylor  <iant@google.com>
1856
1857         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1858         to is_default_version.  Rename insdef to insdefault.
1859         (Symbol_table::add_from_relobj): Rename def to is_default_version
1860         and local to is_forced_local.
1861         (Symbol_table::add_from_pluginobj): Likewise.
1862         (Symbol_table::add_from_dynobj): Likewise.
1863         (Symbol_table::define_special_symbol): Rename insdef to
1864         insdefault.
1865
1866 2010-01-04  Ian Lance Taylor  <iant@google.com>
1867
1868         PR 10980
1869         * options.h (class General_options): Add
1870         --allow-multiple-definition and -z muldefs.
1871         * resolve.cc (Symbol_table::should_override): Don't warn about a
1872         multiple symbol definition if --allow-multiple-definition or -z
1873         muldefs.
1874
1875         PR 10980
1876         * options.h (class General_options): Add --add-needed and
1877         --copy-dt-needed-entries.  Tweak --as-needed help entry.
1878         * object.cc (Input_objects::check_dynamic_dependencies): Give an
1879         error if --copy-dt-needed-entries aka --add-needed is used and
1880         would cause a change in behaviour.
1881
1882         PR 10980
1883         * options.h (class General_options): Add -G as a short version of
1884         --shared.  Add no-op options -assert, -g, and -i.
1885
1886 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
1887
1888         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1889         check for .text or .gnu.linkonce.t sections.
1890         * icf.cc (Icf::find_identical_sections): Ditto.
1891         Change the detection for mangled function name within the section
1892         name.
1893         * icf.h (is_section_foldable_candidate): New function.
1894
1895 2009-12-30  Ian Lance Taylor  <iant@google.com>
1896
1897         PR 10980
1898         * options.h (class General_options): Permit two dashes with
1899         --retain-symbols-file.
1900
1901 2009-12-30  Ian Lance Taylor  <iant@google.com>
1902
1903         PR 10979
1904         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1905         don't put the file header and segment headers in the text
1906         segment.
1907
1908         PR 10979
1909         * common.cc (Sort_commons::operator()): Stabilize sort when both
1910         entries are NULL.
1911         (Symbol_table::do_allocate_commons_list): When allocating common
1912         symbols, skip a symbol which is no longer common.
1913         * symtab.h (Symbol::is_common): Test whether the symbol comes from
1914         an object before checking its type.
1915         * testsuite/common_test_2.c: New file.
1916         * testsuite/common_test_3.c: New file.
1917         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1918         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1919         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1920         (common_test_2_pic.o, common_test_2.so): New targets.
1921         (common_test_3_pic.o, common_test_3.so): New targets.
1922         * testsuite/Makefile.in: Rebuild.
1923
1924         PR 10979
1925         * script.cc (read_input_script): If we see a new SECTIONS clause,
1926         and we have added an input section, give an error.
1927         * layout.h (class Layout): Add have_added_input_section function.
1928         Add have_added_input_section_ field.
1929         * layout.cc (Layout::Layout): Initialize
1930         have_added_input_section_.
1931         (Layout::layout): Set have_added_input_section_.
1932         (Layout::layout_eh_frame): Likewise.
1933
1934 2009-12-30  Ian Lance Taylor  <iant@google.com>
1935
1936         PR 10931
1937         * options.h (class General_options): Add --sort-common option.
1938         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1939         * common.cc (Sort_common): Add sort_order parameter to
1940         constructor.  Add sort_order_ field.
1941         (Sort_commons::operator): Check sort_order_.
1942         (Symbol_table::allocate_commons): Determine the sort order.
1943         (Symbol_table::do_allocate_commons): Add sort_order parameter.
1944         Change all callers.
1945         (Symbol_table::do_allocate_commons_list): Likewise.
1946
1947 2009-12-30  Ian Lance Taylor  <iant@google.com>
1948
1949         PR 10916
1950         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1951         symbols from this object, don't change the visibility of an
1952         undefined symbol.
1953         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1954
1955 2009-12-30  Ian Lance Taylor  <iant@google.com>
1956
1957         PR 10861
1958         * script.h (class Version_script_info): Define Language enum.
1959         Update declarations.  Define Glob, Exact, and Lookup types.  Add
1960         new fields globals_, locals_, and is_finalized_.
1961         * script.cc: Various formatting fixes.
1962         (class Parser_closure): Change language_stack_ from a vector of
1963         std::string to one of Version_script_info::Language.  Adjust all
1964         uses accordingly.
1965         (class Lazy_demangler): Remove.
1966         (struct Version_expression): Change language from std::string to
1967         Version_script_info::Language.
1968         (Version_script_info::Version_script_info): New function.
1969         (Version_script_info::~Version_script_info): Don't call clear.
1970         (Version_script_info::finalize): New function.
1971         (Version_script_info::build_lookup_tables): New function.
1972         (Version_script_info::build_expression_list_lookup): New
1973         function.
1974         (Version_script_info::get_symbol_version_helper): Rewrite to use
1975         lookup tables.
1976         (Version_script_info::print_expression_list): Adjust to use
1977         Version_script_info::Language.
1978         (script_push_lex_into_version_mode): Check that the version script
1979         has not been finalized.
1980         (version_script_push_lang): Change language string to
1981         Version_script_info::Language.
1982         * options.cc (Command_line::version_script): New function.
1983         * options.h (class General_options): Add finalize_dynamic_list
1984         function.  Change version_script from declaration to definition.
1985         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1986         * testsuite/version_script.map: Remove duplicate def of foo.
1987         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1988         version_script.map.
1989         * testsuite/Makefile.in: Rebuild.
1990
1991 2009-12-30  Ian Lance Taylor  <iant@google.com>
1992
1993         PR 10843
1994         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1995         if the input symbol index is 0, make the output symbol index 0.
1996
1997 2009-12-30  Ian Lance Taylor  <iant@google.com>
1998
1999         PR 10670
2000         * options.h (class General_options): Add -x/--discard-all.
2001         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2002         --discard-all.  If the local symbol needs a dynamic entry, check
2003         that before handling --discard-locals.
2004
2005 2009-12-30  Ian Lance Taylor  <iant@google.com>
2006
2007         PR 10450
2008         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2009         flags to PF_R.
2010         (Output_segment::add_output_section): Don't change the flags if
2011         the type is PT_TLS.
2012
2013         PR 10450
2014         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2015         GNU hash table if they need a dynamic value.  Otherwise, don't add
2016         them if they are defined in a dynamic object or are forced local.
2017
2018 2009-12-29  Ian Lance Taylor  <iant@google.com>
2019
2020         PR 10450
2021         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2022         .gnu.hash table for a 32-bit target.
2023
2024         PR 10450
2025         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2026         regular and a dynamic object only needs a dynamic symbol table
2027         entry if it is externally visible.
2028
2029         PR 10450
2030         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2031         constructor.  Add global_offset_table_ field.
2032         (Target_i386::got_section): Set global_offset_table_.
2033         (Target_i386::do_finalize_sections): Set global_offset_table_
2034         size.
2035         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2036         in constructor.  Add global_offset_table_ field.
2037         (Target_x86_64::got_section): Set global_offset_table_.
2038         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2039         size.
2040
2041         * layout.cc (Layout::Layout): Initialize increase_relro_.
2042         (Layout::get_output_section): Add is_relro, is_last_relro, and
2043         is_first_non_relro parameters.  Change all callers.
2044         (Layout::choose_output_section): Likewise.
2045         (Layout::add_output_section_data): Likewise.
2046         (Layout::make_output_section): Likewise.
2047         (Layout::set_segment_offsets): Clear increase_relro when using a
2048         linker script.
2049         * layout.h (class Layout): Add increase_relro method.  Add
2050         increase_relro_ field.  Update declarations.
2051         * output.cc (Output_section::Output_section): Initialize
2052         is_last_relro_ and is_first_non_relro_.
2053         (Output_segment::add_output_section): Group relro sections is
2054         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2055         (Output_segment::maximum_alignment): Remove relro handling.
2056         (Output_segment::set_section_addresses): Add increase_relro
2057         parameter.  Change all callers.  Add initial alignment to align
2058         relro sections on separate page.  Remove old relro handling.
2059         (Output_segment::set_section_list_addresses): Remove in_relro
2060         parameter.  Change all callers.
2061         (Output_segment::set_offset): Add increase parameter.  Change all
2062         callers.  Remove old relro handling.
2063         * output.h (class Output_section): Add new methods: is_last_relro,
2064         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2065         Add is_last_relro_ and is_first_non_relro_ fields.
2066         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2067         Create separate .got.plt section.  Call increase_relro.
2068         * x86_64.cc (Target_x86_64::got_section): Likewise.
2069         * testsuite/relro_script_test.t: Add .got.plt.
2070
2071         PR 10450
2072         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2073         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2074         (Layout::finalize): Call set_dynamic_symbol_size.
2075         (Layout::set_dynamic_symbol_size): New function.
2076         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2077         set_dynamic_symbol_size.
2078
2079         PR 10450
2080         * output.h (class Output_section): Add is_entsize_zero_ field.
2081         * output.cc (Output_section::Output_section): Initialize
2082         is_entsize_zero_.
2083         (Output_section::set_entsize): If two different entsizes are
2084         requested, force it to zero.
2085         (Output_section::add_input_section): Set flags for .debug_str
2086         before updating section flags.  Set entsize.
2087         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2088         and SHF_STRING if all input sections have those flags.
2089
2090 2009-12-29   Rafael Espindola  <espindola@google.com>
2091
2092         * main.cc (main): Fix the sys time reporting.
2093         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2094         reporting.
2095
2096 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2097
2098         * options.cc (General_options::parse_version): Allow -v to exit
2099         without an error if there is nothing to link.
2100
2101 2009-12-29  Ian Lance Taylor  <iant@google.com>
2102
2103         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2104         using a version of gcc before 4.1.
2105         * configure: Rebuild.
2106
2107 2009-12-28  Chris Demetriou  <cgd@google.com>
2108
2109         * attributes.cc (Output_attributes_section_data::do_write): Use
2110         std::vector::front rather than std::vector::data.
2111
2112 2009-12-28  Ian Lance Taylor  <iant@google.com>
2113
2114         * symtab.h (class Symbol_table): Add enum Defined.
2115         * resolve.cc (Symbol_table::should_override): Add defined
2116         parameter.  Change all callers.  Test whether object is NULL
2117         before calling a method on it.
2118         (Symbol_table::report_resolve_problem): Add defined parameter.
2119         Change all callers.
2120         (Symbol_table::should_override_with_special): Likewise.
2121         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2122         parameter.  Change all callers.
2123         (Symbol_table::do_define_in_output_data): Likewise.
2124         (Symbol_table::define_in_output_segment): Likewise.
2125         (Symbol_table::do_define_in_output_segment): Likewise.
2126         (Symbol_table::define_as_constant): Likewise.
2127         (Symbol_table::do_define_as_constant): Likewise.
2128         * script.h (class Symbol_assignment): Add is_defsym parameter to
2129         constructor; change all callers.
2130         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2131         parameter.  Change all callers.  Add is_defsym_ field.
2132         (class Parser_closure): Add parsing_defsym parameter to
2133         constructor; change all callers.  Add parsing_defsym accessor
2134         function.  Add parsing_defsym_ field.
2135
2136 2009-12-28  Ian Lance Taylor  <iant@google.com>
2137
2138         * gold.cc (queue_middle_tasks): Fix formatting.
2139         * object.cc (Relobj::is_section_name_included): Likewise.
2140
2141 2009-12-23  Ian Lance Taylor  <iant@google.com>
2142
2143         * i386.cc (Target_i386::do_calls_non_split): Recognize
2144         -fsplit-stack prologue for a function with a static chain.
2145         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2146         -fsplit-stack prologue when using %r11.
2147
2148 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2149
2150         * options.cc (General_options::parse_version): Make -v continue and do
2151         the link like GNU ld does.
2152
2153 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2154
2155         * Makefile.am (CCFILES): Add timer.cc.
2156         (HFILES): Add timer.h.
2157         * configure.ac: Check for sysconf and times.
2158         * main.cc: include timer.h.
2159         (main): Use Timer instead of get_run_time.
2160         * timer.cc: New.
2161         * timer.h: New.
2162         * workqueue.cc: include timer.h.
2163         (Workqueue::find_and_run_task):
2164         Report user, sys and wall time.
2165         * Makefile.in: Regenerate.
2166         * config.in: Regenerate.
2167         * configure: Regenerate.
2168
2169 2009-12-16  Doug Kwan  <dougkwan@google.com>
2170
2171         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2172         sections.
2173         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2174         relaxed input sections.
2175         * output.cc (Output_section::find_relaxed_input_section): Change
2176         return type to Output_relaxed_input_section pointer.  Adjust code
2177         for new type of relaxed_input_section_map_.
2178         * output.h (Output_section::find_relaxed_input_section): Change
2179         return type to Output_relaxed_input_section pointer.
2180         (Output_section::Output_relaxed_input_section_by_input_section_map):
2181         New type.
2182         (Output_section::relaxed_input_section_map_): Change type to
2183         Output_section::Output_relaxed_input_section_by_input_section_map.
2184         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2185         input section.
2186
2187 2009-12-15  Ian Lance Taylor  <iant@google.com>
2188
2189         * layout.cc (Layout::create_shstrtab): Only write out after input
2190         sections if we are compressing debug sections.
2191
2192 2009-12-15  Ian Lance Taylor  <iant@google.com>
2193
2194         * archive.cc (Archive::add_symbols): Only look up a symbol without
2195         a version if there is, in fact, a version.
2196
2197 2009-12-14  Ian Lance Taylor  <iant@google.com>
2198
2199         Revert -Wshadow changes, all changes from:
2200         2009-12-11  Doug Kwan  <dougkwan@google.com>
2201         2009-12-11  Nick Clifton  <nickc@redhat.com>
2202         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2203
2204 2009-12-11  Doug Kwan  <dougkwan@google.com>
2205
2206         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2207         due to -Wshadow.
2208         * attributes.cc (Object_attribute::size): Ditto.
2209         (Attributes_section_data::size): Ditto.
2210         (Attributes_section_data::Attributes_section_data): Ditto.
2211         (Output_attributes_section_data::do_write): Ditto.
2212         * attributes.h (Object_attribute::set_type): Ditto.
2213         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2214
2215 2009-12-11  Nick Clifton  <nickc@redhat.com>
2216
2217         * archive.cc: Fix shadowed variable warnings.
2218         * arm.cc: Likewise.
2219         * compressed_output.cc: Likewise.
2220         * compressed_output.h: Likewise.
2221         * configure: Likewise.
2222         * dwarf_reader.cc: Likewise.
2223         * dynobj.cc: Likewise.
2224         * dynobj.h: Likewise.
2225         * ehframe.cc: Likewise.
2226         * ehframe.h: Likewise.
2227         * errors.cc: Likewise.
2228         * expression.cc: Likewise.
2229         * fileread.cc: Likewise.
2230         * fileread.h: Likewise.
2231         * freebsd.h: Likewise.
2232         * i386.cc: Likewise.
2233         * icf.cc: Likewise.
2234         * incremental.h: Likewise.
2235         * layout.cc: Likewise.
2236         * layout.h: Likewise.
2237         * mapfile.cc: Likewise.
2238         * merge.cc: Likewise.
2239         * merge.h: Likewise.
2240         * object.cc: Likewise.
2241         * object.h: Likewise.
2242         * options.h: Likewise.
2243         * output.cc: Likewise.
2244         * output.h: Likewise.
2245         * parameters.cc: Likewise.
2246         * plugin.cc: Likewise.
2247         * powerpc.cc: Likewise.
2248         * reduced_debug_output.cc: Likewise.
2249         * reduced_debug_output.h: Likewise.
2250         * reloc.cc: Likewise.
2251         * reloc.h: Likewise.
2252         * resolve.cc: Likewise.
2253         * script-sections.cc: Likewise.
2254         * script.cc: Likewise.
2255         * script.h: Likewise.
2256         * sparc.cc: Likewise.
2257         * symtab.cc: Likewise.
2258         * symtab.h: Likewise.
2259         * target-select.cc: Likewise.
2260         * target-select.h: Likewise.
2261         * token.h: Likewise.
2262         * workqueue.cc: Likewise.
2263         * workqueue.h: Likewise.
2264         * x86_64.cc: Likewise.
2265
2266 2009-12-10  Doug Kwan  <dougkwan@google.com>
2267
2268         * arm.cc (attributes.h): New include.
2269         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2270         (Arm_relobj::~Arm_relobj): Delete object pointed by
2271         attributes_section_data_.
2272         (Arm_relobj::attributes_section_data): New method definition.
2273         (Arm_relobj::attributes_section_data_): New data member declaration.
2274         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2275         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2276         attributes_section_data_.
2277         (Arm_dynobj::attributes_section_data): New method definition.
2278         (Arm_dynobj::attributes_section_data_): New data member declaration.
2279         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2280         initialization value of may_use_blx_ to false.
2281         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2282         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2283         object attributes to compute results instead of hard-coding.
2284         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2285         Target_arm::get_secondary_compatible_arch,
2286         Target_arm::set_secondary_compatible_arch
2287         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2288         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2289         New method declarations.
2290         (Target_arm::get_aeabi_object_attribute): New method definition.
2291         (Target_arm::attributes_section_data_): New data member declaration.
2292         (read_arm_attributes_section): New template definition.
2293         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2294         (Arm_dynobj::do_read_symbols): Ditto.
2295         (Target_arm::do_finalize_sections): Merge attributes sections from
2296         input.  Check for BLX use after attributes section merging.
2297         Fix __exidx_start and __exidx_end visibility.  Create an
2298         .ARM.attributes section if necessary.
2299         (Target_arm::get_secondary_compatible_arch,
2300         Target_arm::set_secondary_compatible_arch,
2301         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2302         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2303         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2304         New method definitions.
2305
2306 2009-12-09  Ian Lance Taylor  <iant@google.com>
2307
2308         * plugin.cc (Plugin::load): Don't cast from void* to a function
2309         pointer.
2310
2311 2009-12-09  Ian Lance Taylor  <iant@google.com>
2312
2313         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2314         information fields.
2315
2316 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2317
2318         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2319         Replace two_file_shared_1.so with two_file_shared_2.so.
2320         * testsuite/Makefile.in: Regenerated.
2321
2322 2009-12-08  Doug Kwan  <dougkwan@google.com>
2323
2324         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2325         (HFILES): Add attributes.h and int_encoding.h.
2326         * Makefile.in: Regenerate.
2327         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2328         function definitions to int_encoding.cc
2329         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2330         prototypes to int_encoding.h
2331         * reduced_debug_output.cc (int_encoding.h): New include.
2332         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2333         function definitions to int_encoding.cc
2334         (insert_into_vector, read_from_pointer): Move template definitions to
2335         int_encoding.h
2336         * attributes.cc: New file.
2337         * attributes.h: New file.
2338         * int_encoding.cc: New file.
2339         * int_encoding.h: New file.
2340
2341 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2342
2343         PR gold/11055
2344         * incremental-dump.cc (dump_incremental_inputs): New.
2345         (main): Use dump_incremental_inputs.
2346
2347 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2348
2349         PR gold/10893
2350         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2351         checking elfcpp::STT_FUNC.
2352         (Target_i386::Relocate::relocate): Likewise.
2353         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2354
2355         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2356         symbols from shared libraries into normal FUNC symbols.
2357
2358         * symtab.h (Symbol): Add is_func and use it.
2359
2360 2009-12-05  Doug Kwan  <dougkwan@google.com>
2361
2362         * arm.cc (Target_arm::arm_info): Initialize new fields
2363         attributes_section and attributes_vendor.
2364         * i386.cc (Target_i386::i386_info): Same.
2365         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2366         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2367         fields attributes_section and attributes_vendor.
2368         * sparc.cc (Target_sparc::sparc_info): Same.
2369         * target.h (Target::attributes_section, Target::attributes_vendor,
2370         Target::is_attributes_section, Target::attribute_arg_type,
2371         Target::attributes_order): New method definitions.
2372         (Target::Target_info::attributes_section,
2373         Target::Target_info::attributes_vendor): New fields.
2374         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2375         virtual method definitions.
2376         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2377         attributes_section and attributes_vendor.
2378         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2379
2380 2009-12-05  Doug Kwan  <dougkwan@google.com>
2381
2382         * arm.cc: Update comments about interworking and stub generation.
2383         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2384         considered as non-PIC.
2385         (Arm_relocate_functions::base_abs): Fix formatting.
2386         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2387         of function to use GOT entry address instead of offset.
2388         (Target_arm::Scan::global): Issue an error if a symbol would need a
2389         PLT does not get one because it is untyped.  Remove code to create
2390         dynamic symbols for relative branches.
2391         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2392         takes unsigned integer instead of boolean.
2393
2394 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2395
2396         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2397         (two_file_test_LDADD): Likewise.
2398         (common_test_1_LDADD): Likewise.
2399         (exception_test_LDADD) Likewise.
2400         (weak_test_LDADD): Likewise.
2401         (many_sections_test_LDADD): Likewise.
2402         (initpri1_LDADD): Likewise.
2403         (script_test_1_LDADD): Likewise.
2404         (script_test_2_LDADD): Likewise.
2405         (justsyms_LDADD): Likewise.
2406         (binary_test_LDADD): Likewise.
2407         (large_LDADD): Likewise.
2408         * testsuite/Makefile.in: Regenerated.
2409
2410 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2411
2412         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2413         (Symbol_table::override_with_special): Likewise.
2414         (Symbol_table::add_from_object): Likewise.
2415
2416 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2417
2418         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2419         Don't set the data_offset twice.
2420
2421 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2422
2423         * testsuite/Makefile.in: Regenerate.
2424
2425 2009-12-03  Doug Kwan  <dougkwan@google.com>
2426
2427         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2428         (Target_arm::do_finalize_sections): Add parameter for symbol table
2429         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2430         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2431         parameter for symbol table pointer.
2432         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2433         an additional parameter for a pointer to symbol table.
2434         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2435         parameter for a symbol table pointer.
2436         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2437         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2438         Ditto.
2439         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2440         parameter for a symbol table pointer.
2441
2442 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2443
2444         * incremental.cc (Incremental_inputs_header)
2445         (Incremental_inputs_header_write, Incremental_inputs_entry)
2446         (Incremental_inputs_entry_write): Move ...
2447         * incremental.h (Incremental_inputs_header)
2448         (Incremental_inputs_header_write, Incremental_inputs_entry)
2449         (Incremental_inputs_entry_write): here.
2450
2451 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2452
2453         * incremental.cc (make_sized_incremental_binary): Set the target.
2454         Error if it is incompatible.
2455         * output.h (Output_file): Add filename method.
2456
2457 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2458
2459         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2460         from the get_* methods.
2461
2462 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2463
2464         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2465         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2466         Write 0 for the data_offset of scripts.
2467
2468 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2469
2470         * testsuite/Makefile.am: Add the incremental_test.sh test.
2471         * testsuite/incremental_test.sh: New.
2472         * testsuite/incremental_test_1.c: New.
2473         * testsuite/incremental_test_2.c: New.
2474
2475 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2476
2477        * incremental-dump.cc (main): Fix typos.
2478
2479 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2480
2481         PR gold/11025
2482         * incremental-dump.cc (main): Use llu to print 64 bit values.
2483
2484 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2485             H.J. Lu  <hongjiu.lu@intel.com>
2486
2487         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2488         $(LIBDL).
2489         (incremental_dump_LDADD): Likewise.
2490         * Makefile.in: Regenerated.
2491
2492 2009-11-25  Doug Kwan  <dougkwan@google.com>
2493         
2494         Revert:
2495
2496         2009-11-25  Doug Kwan  <dougkwan@google.com>
2497
2498                 * arm.cc (Target_arm::Target_arm): Move method definition
2499                 outside of class definition.  Add code to handle
2500                 --target1-rel, --target1-abs and --target2= options.
2501                 (Target_arm::get_reloc_reloc_type): Change method to be
2502                 non-static and const.
2503                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2504                 New data member declaration.
2505                 (Target_arm::Scan::local, Target_arm::Scan::global,
2506                 Target_arm::Relocate::relocate,
2507                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2508                 Adjust call to Target_arm::get_real_reloc_type.
2509                 (Target_arm::get_real_reloc_type): Use command line options
2510                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2511                 * options.h (--target1-rel, --target1-abs, --target2): New
2512                 ARM-only options.
2513
2514 2009-11-25  Doug Kwan  <dougkwan@google.com>
2515
2516         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2517         class definition.  Add code to handle --target1-rel, --target1-abs
2518         and --target2= options.
2519         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2520         and const.
2521         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2522         member declaration.
2523         (Target_arm::Scan::local, Target_arm::Scan::global,
2524         Target_arm::Relocate::relocate,
2525         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2526         call to Target_arm::get_real_reloc_type.
2527         (Target_arm::get_real_reloc_type): Use command line options to
2528         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2529         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2530         options.
2531
2532 2009-11-25  Doug Kwan  <dougkwan@google.com>
2533
2534         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2535         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2536         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2537         formatting.
2538         (Arm_relocate_functions::thm_call): Replace body with a call to
2539         Arm_relocate_functions::thumb_branch_common.
2540         (Arm_relocate_functions::thm_jump24,
2541         Arm_relocate_functions::thm_xpc22): New method definitions.
2542         (Arm_relocate_functions::thumb_branch_common): New method definition.
2543         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2544         operator.
2545         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2546         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2547
2548 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2549
2550         * Makefile.am: Build incremental-dump
2551         * Makefile.in: Regenerate.
2552         * incremental-dump.cc: New.
2553         * incremental.cc (Incremental_inputs_header_data,
2554         Incremental_inputs_entry_data): Move to incremental.h
2555         * incremental.h: (Incremental_inputs_header_data,
2556         Incremental_inputs_entry_data): Move from incremental.cc
2557
2558 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2559
2560         * incremental.cc (Incremental_inputs_header,
2561         Incremental_inputs_header_write, Incremental_inputs_entry,
2562         Incremental_inputs_entry_write): Add a typedef with the data type.
2563
2564 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2565
2566         * incremental.cc (Incremental_inputs_header,
2567         Incremental_inputs_header_write, Incremental_inputs_entry,
2568         Incremental_inputs_entry_write): Update comment about which
2569         type has the filed descriptions.
2570
2571 2009-11-15  Doug Kwan  <dougkwan@google.com>
2572
2573         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2574         (Arm_relocate_functions::arm_branch_common): Change method defintion
2575         in class definition to a method declaration and update list of formal
2576         parameters.
2577         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2578         Arm_relocation_functions::jump24): Adjust call to
2579         Arm_relocate_functions::arm_branch_common.  Update list of formal
2580         parameters.
2581         (Arm_relocate_functions::xpc25): New method definition.
2582         (Arm_relocate_functions::arm_branch_common): Move method defintion
2583         out from class definition.  Use stubs for mode-switching and extending
2584         branch ranges.
2585         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2586         specially.  Change code to enable use of stubs in ARM branches.
2587
2588 2009-11-10  Doug Kwan  <dougkwan@google.com>
2589
2590         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2591         in method declaration.
2592         (Target_arm::relocate_stub): New method declaration.
2593         (Target_arm::default_target): Change to return a pointer instead of
2594         a const reference.
2595         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2596         Target_arm::default_target.
2597         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2598         method definition.
2599         (Target_arm::relocate_section): Adjust view.
2600         (Target_arm::relocate_stub): New method definition.
2601
2602 2009-11-10  Doug Kwan  <dougkwan@google.com>
2603
2604         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2605         a format warning.
2606         * incremental.cc (open_incremental_binary): Initialized local
2607         variables to avoid warnings.
2608         * object.cc (make_elf_object): Ditto.
2609         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2610         a format warning.
2611  
2612 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2613
2614         PR gold/10930
2615         * testsuite/plugin_test.c: Include "config.h".
2616
2617 2009-11-09  Doug Kwan  <dougkwan@google.com>
2618
2619         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2620         (arm_symbol_value): Remove.
2621         (Arm_relocate_functions::arm_branch_common,
2622         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2623         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2624         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2625         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2626         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2627         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2628         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2629         Arm_relocate_functions::thm_mobw_abs_nc,
2630         Arm_relocate_functions::thm_mov_abs,
2631         Arm_relocate_functions::movw_prel_nc,
2632         Arm_relocate_functions::thm_movt_abs,
2633         Arm_relocate_functions::movt_prel,
2634         Arm_relocate_functions::thm_movw_prel_nc,
2635         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2636         (Target_arm::Relocate::relocate): Only decompose address into two
2637         parts if relocation type uses the thumb-bit and pass the actual
2638         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2639         calls to methods in Arm_relocate_functions for this change.
2640
2641 2009-11-08  Ian Lance Taylor  <iant@google.com>
2642
2643         PR 10925
2644         * reloc.cc: Instantiate
2645         Sized_relobj::initialize_input_to_output_maps and
2646         Sized_relobj:free_input_to_output_maps.
2647
2648 2009-11-06  Ian Lance Taylor  <iant@google.com>
2649
2650         PR 10876
2651         * defstd.cc (in_segment): Set only_if_ref true for "end".
2652
2653 2009-11-06  Doug Kwan  <dougkwan@google.com>
2654
2655         * arm.cc (class Reloc_stub): Correct a comment.
2656         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2657         (Target_arm::scan_section_for_stubs): New method declaration.
2658         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2659         Change methods from private to protected.
2660         (Target_arm::do_may_relax): New method definition.
2661         (Target_arm::do_relax, Target_arm::group_sections,
2662         Target_arm::scan_reloc_for_stub,
2663         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2664         (Target_arm::arm_input_section_map_): New data member declaration.
2665         (Target_arm::scan_reloc_for_stub,
2666         Target_arm::scan_reloc_section_for_stubs,
2667         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2668         Target_arm::do_relax): New method definitions.
2669
2670 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2671
2672         * configure.ac: Check for (struct stat)::st_mtim
2673         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2674         * config.in: Regenerate.
2675         * configure: Regenerate.
2676
2677 2009-11-05  Ian Lance Taylor  <iant@google.com>
2678
2679         PR 10910
2680         * output.cc (Output_segment::add_output_section): Add missing
2681         return statement.
2682
2683 2009-11-04  Ian Lance Taylor  <iant@google.com>
2684
2685         PR 10880
2686         * object.h (class Object): Add is_needed and set_is_needed
2687         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2688         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2689         defined in a dynamic object and referenced by a regular object,
2690         set is_needed for the dynamic object.
2691         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2692         if the file is marked with as_needed and it is not needed.
2693
2694 2009-11-04  Ian Lance Taylor  <iant@google.com>
2695
2696         PR 10887
2697         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2698         tags if data is discarded by linker script.
2699         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2700         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2701         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2702         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2703
2704 2009-11-04  Ian Lance Taylor  <iant@google.com>
2705
2706         * layout.cc (Layout::get_output_section): Add is_interp and
2707         is_dynamic_linker_section parameters.  Change all callers.
2708         (Layout::choose_output_section): Likewise.
2709         (Layout::make_output_section): Likewise.
2710         (Layout::add_output_section_data): Add is_dynamic_linker_section
2711         parameter.  Change all callers.
2712         * layout.h (class Layout): Update declarations.
2713         * output.h (class Output_section): Add is_interp, set_is_interp,
2714         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2715         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2716         generate_code_fills_at_write_ to a bitfield.
2717         * output.cc (Output_section::Output_sections): Initialize new
2718         fields.
2719         (Output_segment::add_output_section): Add do_sort parameter.
2720         Change all callers.
2721
2722 2009-11-03  Ian Lance Taylor  <iant@google.com>
2723
2724         PR 10860
2725         * options.h (class General_options): Add --warn-common.
2726         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2727         merging two common symbols.
2728         (Symbol_table::should_override): Handle --warn-common when merging
2729         a common symbol with a defined symbol.  Use report_resolve_problem
2730         for multiple definitions.
2731         (Symbol_table::report_resolve_problem): New function.
2732         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2733
2734 2009-11-03  Doug Kwan  <dougkwan@google.com>
2735
2736         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2737         stub_factory_.
2738         (Target_arm::stub_factory): New method definition.
2739         (Target_arm::new_arm_input_section,
2740         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2741         Target_arm::reloc_uses_thumb_bit): New method declarations.
2742         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2743         New type definitions.
2744         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2745         member declarations.
2746         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2747         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2748         New method definitions.
2749
2750 2009-11-03  Ian Lance Taylor  <iant@google.com>
2751
2752         * options.h (class General_options): Add --warn_constructors.
2753
2754 2009-11-03  Ian Lance Taylor  <iant@google.com>
2755
2756         PR 10893
2757         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2758         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2759
2760 2009-11-03  Ian Lance Taylor  <iant@google.com>
2761
2762         PR 10895
2763         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2764         --msgid-bugs-address.
2765         (install-pdf): New target.
2766         (install-data_yes): Look up one directory to find mkinstalldirs.
2767
2768 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
2769
2770         * po/Make-in (.po.gmo): Don't generate .gmo files in source
2771         tree.
2772
2773 2009-10-30  Doug Kwan  <dougkwan@google.com>
2774
2775         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2776
2777 2009-10-30  Doug Kwan  <dougkwan@google.com>
2778
2779         * arm.cc (Stub_addend_reader): New struct template definition
2780         and partial specializations.
2781         (Stub_addend_reader::operator()): New method definition for a
2782         partially specialized template.
2783
2784 2009-10-30  Doug Kwan  <dougkwan@google.com>
2785
2786         * arm.cc (Arm_relobj::processor_specific_flags): New method
2787         definition.
2788         (Arm_relobj::do_read_symbols): New method declaration.
2789         (Arm_relobj::processor_specific_flags_): New data member declaration.
2790         (Arm_dynobj): New class definition.
2791         (Target_arm::do_finalize_sections): Add input_objects parameter.
2792         (Target_arm::do_adjust_elf_header): New method declaration.
2793         (Target_arm::are_eabi_versions_compatible,
2794         (Target_arm::merge_processor_specific_flags): New method declaration.
2795         (Target_arm::do_make_elf_object): New overloaded method definitions
2796         and declaration.
2797         (Arm_relobj::do_read_symbols): New method definition.
2798         (Arm_dynobj::do_read_symbols): Ditto.
2799         (Target_arm::do_finalize_sections): Add input_objects parameters.
2800         Merge processor-specific flags from all input objects.
2801         (Target_arm::are_eabi_versions_compatible,
2802         Target_arm::merge_processor_specific_flags,
2803         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2804         New method definitions.
2805         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2806         Input_objects pointer type parameter.
2807         * layout.cc (Layout::finalize): Pass input objects to target's.
2808         finalize_sections function.
2809         * output.cc (Output_file_header::do_sized_write): Set ELF file
2810         header's processor-specific flags.
2811         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2812         Input_objects pointer type parameter.
2813         * sparc.cc (Target_sparc::do_finalize_sections): Same.
2814         * target.h (Input_objects): New forward class declaration.
2815         (Target::processor_specific_flags,
2816         Target::are_processor_specific_flags_sect): New method definitions.
2817         (Target::finalize_sections): Add input_objects parameter.
2818         (Target::Target): Initialize processor_specific_flags_ and
2819         are_processor_specific_flags_set_.
2820         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2821         parameter.
2822         (Target::set_processor_specific_flags): New method definition.
2823         (Target::processor_specific_flags_,
2824         Target::are_processor_specific_flags_set_): New data member
2825         declarations.
2826         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2827         Input_objects pointer type parameter.
2828
2829 2009-10-30  Doug Kwan  <dougkwan@google.com>
2830
2831         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2832
2833 2009-10-28  Ian Lance Taylor  <iant@google.com>
2834
2835         * object.h (class Relobj): Drop options parameter from
2836         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2837         do_scan_relocs, do_relocate.  Change all callers.
2838         (class Sized_relobj): Drop options parameters from
2839         do_gc_process_relocs, do_scan_relocs, do_relocate,
2840         do_relocate_sections, relocate_sections, emit_relocs_scan,
2841         emit_relocs_scan_reltype.  Change all callers.
2842         (struct Relocate_info): Remove options field and all references to
2843         it.
2844         * reloc.h (class Read_relocs): Remove options constructor
2845         parameter and options_ field.  Change all callers.
2846         (class Gc_process_relocs, class Scan_relocs): Likewise.
2847         (class Relocate_task): Likewise.
2848         * target-reloc.h (scan_relocs): Remove options parameter.  Change
2849         all callers.
2850         (scan_relocatable_relocs): Likewise.
2851         * target.h (class Sized_target): Remove options parameter from
2852         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
2853         all callers.
2854         * gc.h (gc_process_relocs): Remove options parameter.  Change all
2855         callers.
2856         * arm.cc: Update functions to remove options parameters.
2857         * i386.cc: Likewise.
2858         * powerpc.cc: Likewise.
2859         * sparc.cc: Likewise.
2860         * x86_64.cc: Likewise.
2861         * testsuite/testfile.cc: Likewise.
2862
2863 2009-10-28  Doug Kwan  <dougkwan@google.com>
2864
2865         * arm.cc (Arm_relobj): New class definition.
2866         (Arm_relobj::scan_sections_for_stubs, 
2867         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2868         New method definitions.
2869
2870 2009-10-28  Cary Coutant  <ccoutant@google.com>
2871
2872         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2873         (Plugin::cleanup_done_): New member.
2874         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2875         (Plugin_manager::cleanup_done_): Remove.
2876         (Plugin_manager::add_input_file): Edit error message.
2877         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2878         (Plugin_manager::cleanup): Remove use of cleanup_done_.
2879
2880 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
2881
2882         * fileread.cc: (File_read::View::~View): Use the new
2883         data_ownership_ filed.
2884         (File_read::~File_read): Dispose the new whole_file_view_.
2885         (File_read::open): Mmap the whole file if needed.
2886         (File_read::open): Use whole_file_view_ instead of contents_.
2887         (File_read::find_view): Use whole_file_view_ if applicable.
2888         (File_read::do_read): Use whole_file_view_ instead of contents_.
2889         (File_read::make_view): Use whole_file_view_ instead of contents_,
2890         update File_read::View::View call.
2891         (File_read::find_or_make_view): Update File_read::View::View
2892         call.
2893         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2894         remove contents_
2895         (File_read::View::Data_ownership): New enum.
2896         (File_read::View::View): Replace bool mapped_ with Data_ownership
2897         argument.
2898         (File_read::View::mapped_): Remove (replaced by data_ownership_).
2899         (File_read::View::data_ownership_): New field.
2900         (File_read::contents_): Remove (replaced by whole_file_view_).
2901         (File_read::whole_file_view_): New field.
2902         * options.h (class General_options): Add --keep-files-mapped.
2903
2904 2009-10-27  Cary Coutant  <ccoutant@google.com>
2905
2906         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2907         * testsuite/Makefile.am (plugin_test_5): New test case.
2908         * testsuite/Makefile.in: Regenerate.
2909
2910 2009-10-25  Doug Kwan  <dougkwan@google.com>
2911
2912         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2913         from private to protected to allow access by child class.
2914         (Sized_relobj::do_relocate_sections): New method declaration.
2915         (Sized_relobj::relocate_sections): Virtualize.
2916         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
2917         Sized_relobj::relocate_sections.  Instantiate template explicitly
2918         for different target sizes and endianity.
2919
2920 2009-10-24  Doug Kwan  <dougkwan@google.com>
2921
2922         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2923         (Arm_input_section::as_arm_input_section): New method.
2924         (Arm_output_section): New class definition.
2925         (Arm_output_section::create_stub_group,
2926         Arm_output_section::group_sections): New method definitions.
2927
2928 2009-10-22  Doug Kwan  <dougkwan@google.com>
2929
2930         * arm.cc (Arm_input_section): New class definition.
2931         (Arm_input_section::init, Arm_input_section:do_write,
2932         Arm_input_section::set_final_data_size,
2933         Arm_input_section::do_reset_address_and_file_offset): New method
2934         definitions.
2935
2936 2009-10-21  Doug Kwan  <dougkwan@google.com>
2937
2938         * arm.cc (Stub_table, Arm_input_section): New forward class
2939         declarations.
2940         (Stub_table): New class defintion.
2941         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2942         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2943         New method definition.
2944
2945 2009-10-21  Doug Kwan  <dougkwan@google.com>
2946
2947         * arm.cc: Update copyright comments.
2948         (Target_arm): New forward class template declaration.
2949         (Arm_address): New type.
2950         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2951         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2952         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2953         constants.
2954         (Insn_template): Same.
2955         (DEF_STUBS): New macro.
2956         (Stub_type): New enum type.
2957         (Stub_template): New class definition.
2958         (Stub): Same.
2959         (Reloc_stub): Same.
2960         (Stub_factory): Same.
2961         (Target_arm::Target_arm): Initialize may_use_blx_ and
2962         should_force_pic_veneer_.
2963         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2964         Target_arm::should_force_pic_veneer,
2965         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2966         Target_arm::using_thumb_only, Target_arm:;default_target): New
2967         method defintions.
2968         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2969         New data member declarations.
2970         (Insn_template::size, Insn_template::alignment): New method defintions.
2971         (Stub_template::Stub_template): New method definition.
2972         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2973         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2974         (Stub_factory::Stub_factory): New method definition.
2975         * gold.h (string_hash): New template.
2976         * output.h (Input_section_specifier::hash_value): Use
2977         gold::string_hash.
2978         (Input_section_specifier::string_hash): Remove.
2979         * stringpool.cc (Stringpool_template::string_hash): Use
2980         gold::string_hash.
2981
2982 2009-10-20  Doug Kwan  <dougkwan@google.com>
2983
2984         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2985         symbols of relaxed input sections.
2986         * output.h (Output_section::find_relaxed_input_section): Make
2987         method public.
2988
2989 2009-10-16  Doug Kwan  <dougkwan@google.com>
2990
2991         * dynobj.cc (Versions::Versions): Initialize version_script_.
2992         Only insert base version symbol definition for a shared object
2993         if version script defines any version versions.
2994         (Versions::define_base_version): New method definition.
2995         (Versions::add_def): Check that base version is not needed.
2996         (Versions::add_need): Define base version lazily.
2997         * dynobj.h (Versions::define_base_version): New method declaration.
2998         (Versions::needs_base_version_): New data member declaration.
2999         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3000         (check_DATA): Add no_version_test.stdout.
3001         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3002         New make rules.
3003         * testsuite/Makefile.in: Regenerate.
3004         * testsuite/no_version_test.c: New file.
3005         * testsuite/no_version_test.sh: Ditto.
3006
3007 2009-10-16  Doug Kwan  <dougkwan@google.com>
3008
3009         * expression.cc (class Segment_start_expression): New class definition.
3010         (Segment_start_expression::value): New method definition.
3011         (script_exp_function_segment_start): Return a new
3012         Segment_start_expression.
3013         * gold/script-c.h (script_saw_segment_start_expression): New function
3014         prototype.
3015         * script-sections.cc (Script_sections::Script_sections): Initialize
3016         SAW_SEGMENT_START_EXPRESSION_ to false.
3017         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3018         and -Tbbs options to specify section addresses if given in
3019         command line and no SEGMENT_START expression is seen in a script.
3020         * script-sections.h (Script_sections::saw_segment_start_expression,
3021         Script_sections::set_saw_segment_start_expression): New method
3022         definition.
3023         (Script_sections::saw_segment_start_expression_): New data member
3024         declaration.
3025         * script.cc (script_saw_segment_start_expression): New function.
3026         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3027         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3028         script_test_7.sh and script_test_8.sh.
3029         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3030         script_test_8.stdout.
3031         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3032         (script_test_6, script_test_6.stdout, script_test_7,
3033         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3034         * Makefile.in: Regenerate.
3035         * testsuite/script_test_6.sh: New file.
3036         * testsuite/script_test_6.t: Same.
3037         * testsuite/script_test_7.sh: Same.
3038         * testsuite/script_test_7.t: Same.
3039         * testsuite/script_test_8.sh: Same.
3040
3041 2009-10-16  Doug Kwan  <dougkwan@google.com>
3042
3043         * output.cc (Output_segment::set_section_list_address): Cast
3044         expressions to unsigned long long type to avoid format warnings.
3045
3046 2009-10-15  Ian Lance Taylor  <iant@google.com>
3047
3048         * script.cc (Script_options::add_symbol_assignment): Always add a
3049         dot assignment to script_sections_.
3050         * script-sections.cc (Script_sections::add_dot_assignment):
3051         Initialize if necessary.
3052
3053         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3054         program headers with no load segment if there is a linker script.
3055
3056         * layout.cc (Layout::set_segment_offsets): Align the file offset
3057         to the segment aligment for -N or -n with no load segment.
3058         * output.cc (Output_segment::add_output_section): Don't crash if
3059         the first section is a TLS section.
3060         (Output_segment::set_section_list_addresses): Print an error
3061         message if the address moves backward in a linker script.
3062         * script-sections.cc
3063         (Output_section_element_input::set_section_addresses): Don't
3064         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3065         (Orphan_output_section::set_section_addresses): Likewise.
3066
3067 2009-10-15  Doug Kwan  <dougkwan@google.com>
3068
3069         * layout.cc (Layout::finish_dynamic_section): Generate tags
3070         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3071         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3072         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3073
3074 2009-10-14  Ian Lance Taylor  <iant@google.com>
3075
3076         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3077         fields.
3078         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3079         data_shdr fields of relinfo.
3080         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3081         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3082         R_386_TLS_LDO_32, adjust based on section flags.
3083         (Target_i386::Relocate::fix_up_ldo): Remove.
3084
3085 2009-10-13  Ian Lance Taylor  <iant@google.com>
3086
3087         Add support for -pie.
3088         * options.h (class General_options): Add -pie and
3089         --pic-executable.
3090         (General_options::output_is_position_independent): Test -pie.
3091         (General_options::output_is_executable): Return true if not shared
3092         and not relocatable.
3093         (General_options::output_is_pie): Remove.
3094         * options.cc (General_options::finalize): Reject incompatible uses
3095         of -pie.
3096         * gold.cc (queue_middle_tasks): A -pie link is not static.
3097         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3098         * symtab.cc (Symbol::final_value_is_known): Return false if
3099         output_is_position_independent.
3100         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3101         output_is_position_independent.
3102         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3103         output_is_position_independent.
3104         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3105         output_is_position_independent.
3106         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3107         two_file_pie_test.
3108         (basic_pie_test.o, basic_pie_test): New targets.
3109         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3110         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3111         (two_file_pie_test): New target.
3112         * testsuite/Makefile.in: Rebuild.
3113         * README: Remove note saying that -pie is not supported.
3114
3115 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3116
3117         * options.h (class General_options): Add -init and -fini.
3118         * layout.cc (Layout::finish_dynamic_section): Emit
3119         given init and fini functions.
3120
3121 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3122
3123         * gc.h (gc_process_relocs): Check if icf is enabled using new
3124         function.
3125         * gold.cc (queue_initial_tasks): Likewise.
3126         (queue_middle_tasks): Likewise.
3127         * object.cc (do_layout): Likewise.
3128         * symtab.cc (is_section_folded): Likewise.
3129         * main.cc (main): Likewise.
3130         * reloc.cc (Read_relocs::run): Likewise.
3131         (Sized_relobj::do_scan_relocs): Likewise.
3132         * icf.cc (is_function_ctor_or_dtor): New function.
3133         (Icf::find_identical_sections): Check if function is ctor or dtor when
3134         safe icf is chosen.
3135         * options.h (General_options::icf): Change option to be an enum.
3136         (Icf_status): New enum.
3137         (icf_enabled): New method.
3138         (icf_safe_folding): New method.
3139         (set_icf_status): New method.
3140         (icf_status_): New variable.
3141         * (options.cc) (General_options::finalize): Set icf_status_.
3142         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3143         icf_test and icf_keep_unique_test to use the --icf enum flag.
3144         * testsuite/icf_safe_test.sh: New file.
3145         * testsuite/icf_safe_test.cc: New file. 
3146
3147 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3148
3149         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3150         includes to gc.h and icf.h.
3151         * arm.cc: Include gc.h.
3152         * gold.cc: Likewise.
3153         * i386.cc: Likewise.
3154         * powerpc.cc: Likewise.
3155         * sparc.cc: Likewise.
3156         * x86_64.cc: Likewise.
3157         * gc.h: Include icf.h.
3158
3159 2009-10-11  Ian Lance Taylor  <iant@google.com>
3160
3161         * plugin.cc: Include "gold.h" before other header files.
3162
3163 2009-10-10  Chris Demetriou  <cgd@google.com>
3164
3165         * options.h (Input_file_argument::Input_file_type): New enum.
3166         (Input_file_argument::is_lib_): Replace with...
3167         (Input_file_argument::type_): New member.
3168         (Input_file_argument::Input_file_argument): Take Input_file_type
3169         'type' rather than boolean 'is_lib' as second argument.
3170         (Input_file_argument::is_lib): Use type_.
3171         (Input_file_argument::is_searched_file): New function.
3172         (Input_file_argument::may_need_search): Handle is_searched_file.
3173         * options.cc (General_options::parse_library): Support -l:filename.
3174         (General_options::parse_just_symbols): Update for Input_file_argument
3175         changes.
3176         (Command_line::process): Likewise.
3177         * archive.cc (Archive::get_file_and_offset): Likewise.
3178         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3179         * script.cc (read_script_file, script_add_file): Likewise.
3180         * fileread.cc (Input_file::Input_file): Likewise.
3181         (Input_file::will_search_for): Handle is_searched_file.
3182         (Input_file::open): Likewise.
3183         * readsyms.cc (Read_symbols::get_name): Likewise.
3184         * testsuite/Makefile.am (searched_file_test): New test.
3185         * testsuite/Makefile.in: Regenerate.
3186         * testsuite/searched_file_test.cc: New file.
3187         * testsuite/searched_file_test_lib.cc: New file.
3188
3189 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3190             Ian Lance Taylor  <iant@google.com>
3191
3192         * descriptor.cc: Include <cstdio> and "binary-io.h".
3193         (Descriptors::open): Open the files in binary mode always.
3194         * script.cc (Lex::get_token): Treat \r as whitespace.
3195
3196 2009-10-09  Ian Lance Taylor  <iant@google.com>
3197
3198         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3199
3200 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3201             Ian Lance Taylor  <iant@google.com>
3202
3203         * configure.ac: Check for readv function also.
3204         * fileread.cc (readv): Define if not HAVE_READV.
3205         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3206         does not exist.
3207         * config.in: Regenerate.
3208         * configure: Regenerate.
3209
3210 2009-10-09  Doug Kwan  <dougkwan@google.com>
3211
3212         * layout.cc (Layout::make_output_section): Call target hook to make
3213         ordinary output section.
3214         (Layout::finalize): Adjust parameter list of call the
3215         Target::may_relax().
3216         * layout.h (class Layout::section_list): New method.
3217         * merge.h (Output_merge_base::entsize): Change visibility to public.
3218         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3219         New methods.
3220         (Output_merge_string::do_is_string): New method.
3221         * object.cc (Sized_relobj::do_setup): renamed from
3222         Sized_relobj::set_up.
3223         * object.h (Sized_relobj::adjust_shndx,
3224         Sized_relobj::initializ_input_to_output_maps,
3225         Sized_relobj::free_input_to_output_maps): Change visibilities to
3226         protected.
3227         (Sized_relobj::setup): Virtualize.
3228         (Sized_relobj::do_setup): New method declaration.
3229         (Sized_relobj::invalidate_section_offset,
3230         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3231         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3232         * options.cc (parse_int): New function.
3233         * options.h (parse_int): New declaration.
3234         (DEFINE_int): New macro.
3235         (stub_group_size): New option.
3236         * output.cc (Output_section::Output_section): Initialize memebers
3237         merge_section_map_, merge_section_by_properties_map_,
3238         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3239         (Output_section::add_input_section): Handled deferred code-fill
3240         generation and remove an old comment.
3241         (Output_section::add_relaxed_input_section): New method definition.
3242         (Output_section::add_merge_input_section): Use merge section by
3243         properties map to speed to search.  Update merge section maps
3244         as appropriate.
3245         (Output_section::build_relaxation_map): New method definition.
3246         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3247         Same.
3248         (Output_section::relax_input_section): Renamed to
3249         Output_section::convert_input_sections_to_relaxed_sections and change
3250         interface to take a vector of pointers to relaxed sections.
3251         (Output_section::find_merge_section,
3252         Output_section::find_relaxed_input_section): New method definitions.
3253         (Output_section::is_input_address_mapped,
3254         Output_section::output_offset, Output_section::output_address):
3255         Use output section data maps to speed up searching.
3256         (Output_section::find_starting_output_address): Add comments.
3257         (Output_section::do_write,
3258         Output_section::write_to_postprocessing_buffer): Do code-fill
3259         generation as appropriate.
3260         (Output_section::get_input_sections): Invalidate relaxed input section
3261         map.
3262         (Output_section::restore_states): Adjust type of checkpoint .
3263         Invalidate relaxed input section map.
3264         * output.h (Output_merge_base): New class declaration.
3265         (Input_section_specifier): New class defintion.
3266         (class Output_relaxed_input_section) Change base class to
3267         Output_section_data_build.
3268         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3269         base class initializer.
3270         (Output_section::add_relaxed_input_section): New method declaration.
3271         (Output_section::Input_section): Change visibility to protected.
3272         (Output_section::Input_section::relobj,
3273         Output_section::Input_section::shndx): Handle relaxed input sections.
3274         Output_section::input_sections) Change visibility to protected.  Also
3275         define overload to return a non-const pointer.
3276         (Output_section::Merge_section_properties): New class defintion.
3277         (Output_section::Merge_section_by_properties_map,
3278         Output_section::Output_section_data_by_input_section_map,
3279         Output_section::Relaxation_map): New types.
3280         (Output_section::relax_input_section): Rename method to
3281         Output_section::convert_input_sections_to_relaxed_sections and change
3282         interface to take a vector of relaxed section pointers.
3283         (Output_section::find_merge_section,
3284         Output_section::find_relaxed_input_section,
3285         Output_section::build_relaxation_map,
3286         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3287         New method declarations.
3288         (Output_section::merge_section_map_
3289         Output_section::merge_section_by_properties_map_,
3290         Output_section::relaxed_input_section_map_,
3291         Output_section::is_relaxed_input_section_map_valid_,
3292         Output_section::generate_code_fills_at_write_): New data members.
3293         * script-sections.cc
3294         (Output_section_element_input::set_section_addresses): Call
3295         current_data_size and addralign methods of relaxed input sections.
3296         (Orphan_output_section::set_section_addresses): Call current_data_size
3297         and addralign methods of relaxed input sections.
3298         * symtab.cc (Symbol_table::compute_final_value): Extract template
3299         from the body of Symbol_table::sized_finalize_symbol.
3300         (Symbol_table::sized_finalized_symbol): Call
3301         Symbol_table::compute_final_value.
3302         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3303         (Symbol_table::compute_final_value): New templated method declaration.
3304         * target.cc (Target::do_make_output_section): New method defintion.
3305         * target.h (Target::make_output_section): New method declaration.
3306         (Target::relax): Add more parameters for input objects, symbol table
3307         and layout.  Adjust call to do_relax.
3308         (Target::do_make_output_section): New method declaration.
3309         (Target::do_relax): Add parameters for input objects, symbol table
3310         and layout.
3311
3312 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3313
3314         * pread.c: Include stdio.h.
3315
3316 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3317
3318         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3319         defined.
3320
3321 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3322
3323         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3324         Change read_shndx type to unsigned int.
3325         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3326         int.
3327         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3328         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3329         Change read_shndx type to unsigned int.
3330         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3331         int.
3332         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3333         * layout.cc (Layout::create_symtab_sections): Cast the result of
3334         local_symcount * symsize to off_t in the gold_assert.
3335
3336 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3337
3338         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3339         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3340         R_ARM_BASE_ABS.
3341         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3342         (Arm_relocate_functions::thm_abs5): New function.
3343         (Arm_relocate_functions::abs12): New function.
3344         (Arm_relocate_functions::abs16): New function.
3345         (Arm_relocate_functions::base_abs): New function.
3346         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3347         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3348         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3349         R_ARM_BASE_ABS.
3350         (Scan::global): Likewise.
3351         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3352         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3353         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3354         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3355         R_ARM_BASE_ABS.
3356
3357 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3358
3359         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3360         (Arm_relocate_functions::movt_prel): New function.
3361         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3362         (Arm_relocate_functions::thm_movt_prel): New function.
3363         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3364         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3365         (Scan::global, Relocate::relocate): Likewise.
3366         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3367
3368 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3369
3370         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3371         Incremental_checker.
3372         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3373         unsigned int.
3374         (class Incremental_inputs_header): New class.
3375         (Incremental_inputs_header_writer): Edit comment.
3376         (Incremental_inputs_entry): New class.
3377         (Incremental_inputs_entry_writer): Edit comment.
3378         (Sized_incremental_binary::do_find_incremental_inputs_section):
3379         Add *strtab_shndx parameter, fill it.
3380         (Sized_incremental_binary::do_check_inputs): New method.
3381         (Incremental_checker::can_incrementally_link_output_file): Use
3382         Sized_incremental_binary::check_inputs.
3383         (Incremental_inputs::report_command_line): Save command line in
3384         command_line_.
3385         * incremental.h:
3386         (Incremental_binary::find_incremental_inputs_section): New
3387         method.
3388         (Incremental_binary::do_find_incremental_inputs_section): Add
3389         strtab_shndx parameter.
3390         (Incremental_binary::do_check_inputs): New pure virtual method.
3391         (Sized_incremental_binary::do_check_inputs): Declare.
3392         (Incremental_checker::Incremental_checker): Add incremental_inputs
3393         parameter, use it to initialize incremental_inputs_.
3394         (Incremental_checker::incremental_inputs_): New field.
3395         (Incremental_checker::command_line): New method.
3396         (Incremental_checker::inputs): New method.
3397         (Incremental_checker::command_line_): New field.
3398
3399 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3400
3401         * incremental.cc: Include <cstdarg> and "target-select.h".
3402         (vexplain_no_incremental): New function.
3403         (explain_no_incremental): New function.
3404         (Incremental_binary::error): New method.
3405         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3406         method.
3407         (make_sized_incremental_binary): New function.
3408         (open_incremental_binary): New function.
3409         (can_incrementally_link_file): Add checks if output is ELF and has
3410         inputs section.
3411         * incremental.h: Include "elfcpp_file.h" and "output.h".
3412         (Incremental_binary): New class.
3413         (Sized_incremental_binary): New class.
3414         (open_incremental_binary): Declare.
3415         * object.cc (is_elf_object): Use
3416         elfcpp::Elf_recognizer::is_elf_file.
3417         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3418         * output.h (Output_file::filesize): New method.
3419
3420 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3421
3422         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3423         New function.
3424         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3425         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3426         function.
3427         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3428         function.
3429         (Arm_relocate_functions::movw_abs_nc): New function.
3430         (Arm_relocate_functions::movt_abs): New function.
3431         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3432         (Arm_relocate_functions::thm_movt_abs): New function.
3433         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3434         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3435         (Scan::global): Likewise.
3436         (Relocate::relocate): Likewise.
3437         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3438
3439 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3440
3441         * arm.cc (Arm_relocate_functions::got_prel) New function.
3442         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3443         (Relocate::relocate): Likewise.
3444         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3445
3446 2009-10-06  Ian Lance Taylor  <iant@google.com>
3447
3448         * options.h (class General_options): Define
3449         split_stack_adjust_size parameter.
3450         * object.h (class Object): Add uses_split_stack_ and
3451         has_no_split_stack_ fields.  Add uses_split_stack and
3452         has_no_split_stack accessor functions.  Declare
3453         handle_split_stack_section.
3454         (class Reloc_symbol_changes): Define.
3455         (class Sized_relobj): Define Function_offsets.  Declare
3456         split_stack_adjust, split_stack_adjust_reltype, and
3457         find_functions.
3458         * object.cc (Object::handle_split_stack_section): New function.
3459         (Sized_relobj::do_layout): Call handle_split_stack_section.
3460         * dynobj.cc (Sized_dynobj::do_layout): Call
3461         handle_split_stack_section.
3462         * reloc.cc (Sized_relobj::relocate_sections): Call
3463         split_stack_adjust for executable sections in split_stack
3464         objects.  Pass reloc_map to relocate_section.
3465         (Sized_relobj::split_stack_adjust): New function.
3466         (Sized_relobj::split_stack_adjust_reltype): New function.
3467         (Sized_relobj::find_functions): New function.
3468         * target-reloc.h: Include "object.h".
3469         (relocate_section): Add reloc_symbol_changes parameter.  Change
3470         all callers.
3471         * target.h (class Target): Add calls_non_split method.  Declare
3472         do_calls_non_split virtual method.  Declare match_view and
3473         set_view_to_nop.
3474         * target.cc: Include "elfcpp.h".
3475         (Target::do_calls_non_split): New function.
3476         (Target::match_view): New function.
3477         (Target::set_view_to_nop): New function.
3478         * gold.cc (queue_middle_tasks): Give an error if mixing
3479         split-stack and non-split-stack objects with -r.
3480         * i386.cc (Target_i386::relocate_section): Add
3481         reloc_symbol_changes parameter.
3482         (Target_i386::do_calls_non_split): New function.
3483         * x86_64.cc (Target_x86_64::relocate_section): Add
3484         reloc_symbol_changes parameter.
3485         (Target_x86_64::do_calls_non_split): New function.
3486         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3487         parameter.
3488         * powerpc.cc (Target_powerpc::relocate_section): Add
3489         reloc_symbol_changes parameter.
3490         * sparc.cc (Target_sparc::relocate_section): Add
3491         reloc_symbol_changes parameter.
3492         * configure.ac: Call AM_CONDITIONAL for the default target.
3493         * configure: Rebuild.
3494         * testsuite/Makefile.am (TEST_AS): New variable.
3495         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3496         (check_DATA): Add split_i386 and split_x86_64 files.
3497         (SPLIT_DEFSYMS): Define.
3498         (split_i386_[1234n].o): New targets.
3499         (split_i386_[124]): New targets.
3500         (split_i386_[1234r].stdout): New targets.
3501         (split_x86_64_[1234n].o): New targets.
3502         (split_x86_64_[124]): New targets.
3503         (split_x86_64_[1234r].stdout): New targets.
3504         (MOSTLYCLEANFILES): Add new executables.
3505         * testsuite/split_i386.sh: New file.
3506         * testsuite/split_x86_64.sh: New file.
3507         * testsuite/split_i386_1.s: New file.
3508         * testsuite/split_i386_2.s: New file.
3509         * testsuite/split_i386_3.s: New file.
3510         * testsuite/split_i386_4.s: New file.
3511         * testsuite/split_i386_n.s: New file.
3512         * testsuite/split_x86_64_1.s: New file.
3513         * testsuite/split_x86_64_2.s: New file.
3514         * testsuite/split_x86_64_3.s: New file.
3515         * testsuite/split_x86_64_4.s: New file.
3516         * testsuite/split_x86_64_n.s: New file.
3517         * testsuite/testfile.cc (Target_test): Update relocation_section
3518         function.
3519         * testsuite/Makefile.in: Rebuild.
3520
3521 2009-10-06  Ian Lance Taylor  <iant@google.com>
3522
3523         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3524         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3525         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3526         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3527         the address on ldo_addrs_.
3528         (Target_i386::Relocate::fix_up_ldo): New function.
3529
3530 2009-10-06   Rafael Espindola  <espindola@google.com>
3531
3532         * plugin.cc (add_input_library): New.
3533         (Plugin::load): Add add_input_library to tv.
3534         (Plugin_manager::add_input_file): Add the is_lib argument.
3535         (add_input_file): Update call to Plugin_manager::add_input_file.
3536         (add_input_library): New.
3537         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3538
3539 2009-09-30  Doug Kwan  <dougkwan@google.com>
3540
3541         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3542         symbol and call Symbol::may_need_copy_reloc to determine if
3543         a copy reloc is needed.
3544         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3545         nocopyreloc is given in command line.
3546         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3547         given in command line.
3548         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3549         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3550         of the removed Target_i386::may_need_copy_reloc.
3551         * options.h (copyreloc): New option with default value false.
3552         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3553         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3554         instead of the removed Target_powerpc::may_need_copy_reloc.
3555         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3556         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3557         instead of the removed Target_sparc::may_need_copy_reloc.
3558         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3559         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3560         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3561         instead of the removed Target_x86_64::may_need_copy_reloc.
3562
3563 2009-09-30  Ian Lance Taylor  <iant@google.com>
3564
3565         * object.h (class Object): Remove target_ field, and target,
3566         sized_target, and set_target methods.
3567         (Object::sized_target): Remove.
3568         (class Sized_relobj): Update declarations.  Remove sized_target.
3569         * object.cc (Sized_relobj::setup): Remove target parameter.
3570         Change all callers.
3571         (Input_objects::add_object): Don't do anything with the target.
3572         (make_elf_sized_object): Add punconfigured parameter.  Change all
3573         callers.  Set or test parameter target.
3574         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3575         Change all callers.
3576         * parameters.cc (Parameters::set_target): Change parameter type to
3577         be non-const.
3578         (Parameters::default_target): Remove.
3579         (set_parameters_target): Change parameter type to be non-const.
3580         (parameters_force_valid_target): New function.
3581         (parameters_clear_target): New function.
3582         * parameters.h (class Parameters): Update declarations.  Remove
3583         default_target method.  Add sized_target and clear_target
3584         methods.  Change target_ to be non-const.
3585         (set_parameters_target): Update declaration.
3586         (parameters_force_valid_target): Declare.
3587         (parameters_clear_target): Declare.
3588         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3589         as NULL if we aren't searching.
3590         (Add_symbols::run): Don't check for compatible target.
3591         * fileread.cc (Input_file::open_binary): Call
3592         parameters_force_valid_target.
3593         * gold.cc (queue_middle_tasks): Likewise.
3594         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3595         set_target on object.
3596         * dynobj.h (class Sized_dynobj): Update declarations.
3597         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3598         make_elf_object returns NULL.
3599         (Archive::include_member): Don't check whether object target is
3600         compatible.
3601         * output.cc (Output_section::add_input_section): Get target from
3602         parameters.
3603         (Output_section::relax_input_section): Likewise.
3604         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3605         parameters.
3606         (Sized_relobj::do_scan_relocs): Likewise.
3607         (Sized_relobj::relocate_sections): Likewise.
3608         * resolve.cc (Symbol_table::resolve): Likewise.
3609         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3610         parameter.  Change all callers.
3611         (Symbol_table::add_from_object): Get target from parameters.
3612         (Symbol_table::add_from_relobj): Don't check object target.
3613         (Symbol_table::add_from_dynobj): Likewise.
3614         (Symbol_table::define_special_symbol): Get target from
3615         parameters.
3616         * symtab.h (class Symbol_table): Update declaration.
3617         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3618         parameter.  Change all callers.  Clear parameter target.
3619         (Binary_test): Test target here.
3620         * testsuite/object_unittest.cc (gold_testsuite): Remove
3621         target_test_pointer parameter.  Change all callers.
3622         (Object_test): Test target here.
3623
3624 2009-09-26  Ian Lance Taylor  <iant@google.com>
3625
3626         * testsuite/initpri1.c: Don't try to use constructor priorities if
3627         compiling with gcc before 4.3.
3628
3629 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3630
3631         * testsuite/retain_symbols_file_test.sh (check_present): Change
3632         output file name to retain_symbols_file_test.stdout.
3633         (check_absent): Likewise.
3634
3635 2009-09-18  Craig Silverstein  <csilvers@google.com>
3636
3637         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3638         * options.cc: Include <cerrno> and <fstream>.
3639         (General_options::finalize): Parse -retain-symbols-file tag.
3640         * options.h: New flag.
3641         (General_options): New method should_retain_symbol, new
3642         variable symbols_to_retain.
3643         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3644         should_retain_symbol map.
3645         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3646         * testsuite/Makefile.in: Regenerate.
3647         * testsuite/retain_symbols_file_test.sh: New file.
3648
3649 2009-09-18  Nick Clifton  <nickc@redhat.com>
3650
3651         * po/es.po: Updated Spanish translation.
3652
3653 2009-09-17  Doug Kwan  <dougkwan@google.com>
3654
3655         * debug.h (DEBUG_RELAXATION): New constant.
3656         (DEBUG_ALL): Add DEBUG_RELAXATION.
3657         (debug_string_to_enum): Add relaxation debug option.
3658         * layout.cc
3659         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3660         Layout::Relaxation_debug_check::read_sections,
3661         Layout::Relaxation_debug_check::read_sections): New method definitions.
3662         (Layout::Layout): Initialize data members
3663         record_output_section_data_from_scrips_,
3664         script_output_section_data_list_ and relaxation_debug_check_.
3665         (Layout::save_segments, Layout::restore_segments,
3666         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3667         Layout::relaxation_loop_body): New method definitions.
3668         (Layout::finalize): Support relaxation.  Move section layout code to
3669         Layout::relaxation_loop_body.
3670         (Layout::set_asection_address_from_script): Move code for orphan
3671         section placement out.
3672         (Layout::place_orphan_sections_in_script): New method definition.
3673         * layout.h (Output_segment_headers, Output_file_header):
3674         New forward class declarations.
3675         (Layout::~Layout): Define.
3676         (Layout::new_output_section_data_from_script): New method definition.
3677         (Layout::place_orphan_sections_in_script): New method declaration.
3678         (Layout::Segment_states): New type declaration.
3679         (Layout::save_segments, Layout::restore_segments,
3680         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3681         Layout::relaxation_loop_body): New method declarations.
3682         (Layout::Output_section_data_list): New type declaration.
3683         (Layout::Relaxation_debug_check): New class definition.
3684         (Layout::record_output_section_data_from_script_,
3685         Layout::script_output_section_data_list_, Layout::segment_states_,
3686         Layout::relaxation_debug_check_): New data members.
3687         * output.cc: (Output_section_headers::do_size): New method definition.
3688         (Output_section_headers::Output_section_headers): Move size
3689         computation to Output_section_headers::do_size.
3690         (Output_segment_headers::do_size): New method definition.
3691         (Output_file_header::Output_file_header): Move size computation to 
3692         Output_file_header::do_size and call it.
3693         (Output_file_header::do_size): New method definition.
3694         (Output_data_group::Output_data_group): Adjust call to
3695         Output_section_data.
3696         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3697         (Output_symtab_xindex::do_write): Add array bound check.
3698         (Output_section::Input_section::print_to_mapfile): Handle
3699         RELAXED_INPUT_SECTION_CODE.
3700         (Output_section::Output_section): Initialize data member checkpoint_.
3701         (Output_section::~Output_section): Delete checkpoint object pointed
3702         by checkpoint_.
3703         (Output_section::add_input_section): Always add an Input_section if
3704         relaxing.
3705         (Output_section::add_merge_input_section): Add assert.
3706         (Output_section::relax_input_section): New method definition.
3707         (Output_section::set_final_data_size): Set load address to zero for
3708         an unallocated section.
3709         (Output_section::do_address_and_file_offset_have_reset_values):
3710         New method definition.
3711         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3712         Handle relaxed input section.
3713         (Output_section::sort_attached_input_sections): Checkpoint input
3714         section list lazily.
3715         (Output_section::get_input_sections): Change type of input_sections to
3716         list of Simple_input_section pointers.  Checkpoint input section list
3717         lazily.  Also handle relaxed input sections.
3718         (Output_section::add_input_section_for_script): Take a reference to
3719         a Simple_input_section object instead of Relobj pointer and section
3720         index as parameter.  Handle relaxed input sections.
3721         (Output_section::save_states, Output_section::restore_states): New
3722         method definitions.
3723         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3724         (Output_data::is_data_size_fixed): New method definition.
3725         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3726         if it is fixed.
3727         (Output_data::address_and_file_offset_have_reset_values): New method
3728         definition.
3729         (Output_data::do_address_and_file_offset_have_reset_values): New method
3730         definition.
3731         (Output_data::set_data_size): Check that data size is not fixed.
3732         (Output_data::fix_data_size): New method definition.
3733         (Output_data::is_data_size_fixed_): New data member.
3734         (Output_section_headers::set_final_data_size): New method definition.
3735         (Output_section_headers::do_size): New method declaration.
3736         (Output_segment_headers::set_final_data_size): New method definition.
3737         (Output_segment_headers::do_size): New method declaration.
3738         (Output_file_header::set_final_data_size)::New method definition.
3739         (Output_file_header::do_size)::New method declaration.
3740         (Output_section_data::Output_section_data): Add new parameter
3741         is_data_size_fixed and use it to fix data size.
3742         (Output_data_const::Output_data_const): Adjust call to base class
3743         constructor and fix data size.
3744         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3745         base class constructor and fix data size.
3746         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3747         base class constructor and fix data size.
3748         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3749         class constructor and fix data size.
3750         (Output_data_group::set_final_data_size): New method definition.
3751         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3752         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3753         class constructor and fix data size.
3754         (Output_relaxed_input_section): New class definition.
3755         (Output_section::Simple_input_section): New class definition.
3756         (Output_section::get_input_sections): Adjust parameter list.
3757         (Output_section::add_input_section_for_script): Same.
3758         (Output_section::save_states, Output_section::restore_states,
3759         Output_section::do_address_and_file_offset_have_reset_values,
3760         (Output_section::Input_section::Input_section): Handle
3761         RELAXED_INPUT_SECTION_CODE.  Add new overload for
3762         Output_relaxed_input_section.
3763         (Output_section::Input_section::is_input_section,
3764         Output_section::Input_section::set_output_section): Handle relaxed
3765         input section.
3766         (Output_section::Input_section::is_relaxed_input_section,
3767         Output_section::Input_section::output_section_data,
3768         Output_section::Input_section::relaxed_input_section): New method
3769         definitions.
3770         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3771         value.
3772         (Output_section::Input_section::u1_): Update comments.
3773         (Output_section::Input_section::u2_): Add new union member poris.
3774         (Output_section::Checkpoint_output_section): New classs definition.
3775         (Output_section::relax_input_section): New method declaration.
3776         (Output_section::checkpoint_): New data member.
3777         (Output_segment): Update comments.
3778         (Output_segment::Output_segment): Un-privatize copy constructor.
3779         (Output_segment::operator=): Un-privatize.
3780         * script-sections.cc (Output_section_element::Input_section_list):
3781         Change element type to Output_section::Simple_input_section.
3782         (Output_section_element_dot_assignment::set_section_addresses):
3783         Register output section data for relaxation clean up.
3784         (Output_data_exression::Output_data_expression): Adjust call to base
3785         constructor to fix data size.
3786         (Output_section_element_data::set_section_addresses): Register
3787         Output_data_expression object for relaxation clean up.
3788         (struct Input_section_info): Replace Relobj pointer and section index
3789         pair with Output_section::Simple_input_section and Convert struct to a
3790         class.
3791         (Input_section_sorter::operator()): Adjust access to
3792         Input_section_info data member to use accessors. 
3793         (Output_section_element_input::set_section_addresses): Use layout
3794         parameter.  Adjust code to use Output_section::Simple_input_section
3795         and Input_secction_info classes.  Register filler for relaxation
3796         clean up.
3797         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3798         and section index pair with Output_section::Simple_input_section
3799         class.  Adjust code accordingly.
3800         (Phdrs_element::release_segment): New method definition.
3801         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3802         segment list.
3803         (Script_sections::release_segments): New method definition.
3804         * gold/script-sections.h (Script_sections::release_segments): New
3805         method declaration.
3806         * gold/target.h (Target::may_relax, Target::relax,
3807         Target::do_may_relax, Target::do_relax): New method definitions.
3808
3809 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3810
3811         * arm.cc (has_signed_unsigned_overflow): New function.
3812         (Arm_relocate_functions::abs8): New function.
3813         (Target_arm::Scan::local): Handle R_ARM_ABS8.
3814         (Target_arm::Scan::global): Likewise.
3815         (Target_arm::relocate::relocate): Likewise.
3816         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3817         Likewise.
3818
3819 2009-09-16  Cary Coutant  <ccoutant@google.com>
3820
3821         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3822         * testsuite/Makefile.in: Regenerate.
3823
3824 2009-09-11  Nick Clifton  <nickc@redhat.com>
3825
3826         * po/gold.pot: Updated by the Translation project.
3827
3828 2009-09-08  Cary Coutant  <ccoutant@google.com>
3829
3830         * output.cc (Output_file::open): Add execute permission to empty file.
3831         * testsuite/Makefile.am (permission_test): New test.
3832         * testsuite/Makefile.in: Regenerate.
3833
3834 2009-09-02  Ian Lance Taylor  <iant@google.com>
3835
3836         * output.cc (Output_file::resize): Call map_no_anonymous rather
3837         than map.
3838
3839 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
3840
3841         * gold.cc: Include "incremental.h".
3842         (queue_initial_tasks): Call Incremental_checker methods.
3843         * incremental.cc: Include "output.h".
3844         (Incremental_checker::can_incrementally_link_output_file): New
3845         method.
3846         * incremental.h (Incremental_checker): New class.
3847
3848         * output.cc (Output_file::open_for_modification): New method.
3849         (Output_file::map_anonymous): Changed return type to bool.  Record
3850         map in base_ field.
3851         (Output_file::map_no_anonymous): New method, broken out of map.
3852         (Output_file::map): Use map_no_anonymous and map_anonymous.
3853         * output.h (class Output_file): Update declarations.
3854
3855 2009-08-24  Cary Coutant  <ccoutant@google.com>
3856
3857         * options.h (Command_line::Pre_options): New class.
3858         (Command_line::pre_options): New member.
3859         * options.cc (gold::options::ready_to_register): New variable.
3860         (One_option::register_option): Do nothing if not registering options.
3861         Assert if same short option registered twice.
3862         (General_options::General_options): Turn off option registration when
3863         done constructing.
3864         (Command_line::Pre_options::Pre_options): New constructor.
3865
3866 2009-08-24  Cary Coutant  <ccoutant@google.com>
3867
3868         * options.h (General_options::no_keep_memory): Remove incorrect
3869         short option.
3870
3871 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3872
3873         * Makefile.am (am__skiplex, am__skipyacc): New.
3874         * Makefile.in: Regenerate.
3875
3876 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3877
3878         * Makefile.am (AM_CPPFLAGS): Renamed from ...
3879         (INCLUDES): ... this.
3880         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3881         (AM_CPPFLAGS): Renamed from ...
3882         (INCLUDE): ... this.
3883         * Makefile.in, testsuite/Makefile.in: Regenerate.
3884
3885         * Makefile.in: Regenerate.
3886         * aclocal.m4: Likewise.
3887         * config.in: Likewise.
3888         * configure: Likewise.
3889         * testsuite/Makefile.in: Likewise.
3890
3891         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3892         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3893         * Makefile.in: Regenerate.
3894         * testsuite/Makefile.in: Regenerate.
3895
3896 2009-08-19  Cary Coutant  <ccoutant@google.com>
3897
3898         * resolve.cc (Symbol_table::resolve): Don't complain about defined
3899         symbols in shared libraries overridden by hidden or internal symbols
3900         in the main program.
3901
3902 2009-08-19  Chris Demetriou  <cgd@google.com>
3903
3904         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3905         checking source file names in error messages.
3906
3907 2009-08-18  Doug Kwan  <dougkwan@google.com>
3908
3909         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3910         an elcpp::Ehdr as parameter.  Adjust call to set_target.
3911         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3912         an elfcpp::Ehdr as parameter.
3913         * object.cc (Object::set_target): Remove the version that looks up
3914         a target and sets it.
3915         (Sized_relobj::setup): Take a Target object instead of
3916         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
3917         (make_elf_sized_object): Find target and ask target to
3918         make an ELF object.
3919         * object.h: (Object::set_target): Remove the version that looks up
3920         a target and sets it.
3921         (Sized_relobj::setup): Take a Target object instead of
3922         an elfcpp:Ehdr as parameter.
3923         * target.cc: Include dynobj.h.
3924         (Target::do_make_elf_object_implementation): New.
3925         (Target::do_make_elf_object): New.
3926         * target.h (Target::make_elf_object): New template declaration.
3927         (Target::do_make_elf_object): New method declarations.
3928         (Target::do_make_elf_object_implementation): New template declaration.
3929
3930 2009-08-14  Ian Lance Taylor  <iant@google.com>
3931
3932         * gold.h (FUNCTION_NAME): Define.
3933         (gold_unreachable): Use FUNCTION_NAME.
3934
3935 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3936
3937         * icf.cc (Icf::find_identical_sections): Issue a warning when a
3938         symbol in the --keep-unique list is not found.
3939
3940 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3941
3942         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3943         been maked as --keep-unique.
3944         (Icf::unfold_section): New function.
3945         * icf.h (Icf::unfold_section): New function.
3946         * options.h (General_options::keep_unique): New option.
3947         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3948         * testsuite/Makefile.in: Regenerate.
3949         * testsuite/icf_keep_unique_test.sh: New file.
3950         * testsuite/icf_keep_unique_test.cc: New file.
3951
3952 2009-08-12  Cary Coutant  <ccoutant@google.com>
3953
3954         PR 10471
3955         * resolve.cc (Symbol_table::resolve): Check for references from
3956         dynamic objects to hidden and internal symbols.
3957         * testsuite/Makefile.am (hidden_test.sh): New test.
3958         * testsuite/Makefile.in: Regenerate.
3959         * testsuite/hidden_test.sh: New script.
3960         * testsuite/hidden_test_1.c: New test source.
3961         * testsuite/hidden_test_main.c: New test source.
3962
3963 2009-08-11  Doug Kwan  <dougkwan@google.com>
3964
3965         * arm.cc: Update comments.
3966         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3967         segment to locate the .ARM.exidx section if present.
3968
3969 2009-08-09  Doug Kwan  <dougkwan@google.com>
3970
3971         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3972         patch.
3973
3974 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
3975         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3976         compiler warnings.
3977
3978 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
3979
3980         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3981         valid tls_segment only for non-debug-section relocations.
3982         * testsuite/Makefile.am: Add gc_tls_test.
3983         * testsuite/Makefile.in: Regenerate.
3984         * testsuite/gc_tls_test.cc: New file.
3985         * testsuite/gc_tls_test.sh: New file.
3986
3987 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
3988         
3989         * icf.cc: New file.
3990         * icf.h: New file.
3991         * Makefile.am (CCFILES): Add icf.cc.
3992         (HFILES): Add icf.h
3993         * Makefile.in: Regenerate.
3994         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3995         * gc.h (gc_process_relocs): Populate lists used by icf to contain
3996         section, symbol and addend information for the relocs.
3997         * gold.cc (queue_middle_tasks): Call identical code folding.
3998         * gold.h: Add defines for multimap.
3999         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4000         to the call of finalize_local_symbols.
4001         * main.cc (main): Create object of class Icf.
4002         * object.cc (Sized_relobj::do_layout): Allow this function to be
4003         called twice during icf.
4004         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4005         to sections marked as identical by icf.
4006         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4007         when available.
4008         (Sized_relobj::do_section_entsize): New function.
4009         * object.h (Object::section_entsize): New function.
4010         (Object::do_section_entsize): New pure virtual function.
4011         (Relobj::finalize_local_symbols): Add new parameter.
4012         (Relobj::do_section_entsize): New function.
4013         * options.h (General_options::icf): New option.
4014         (General_options::icf_iterations): New option.
4015         (General_options::print_icf_sections): New option.
4016         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4017         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4018         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4019         icf.
4020         * symtab.cc (Symbol_table::is_section_folded): New function.
4021         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4022         to sections marked as identical by icf.
4023         * symtab.h (Symbol_table::set_icf): New function.
4024         (Symbol_table::icf): New function.
4025         (Symbol_table::is_section_folded): New function.
4026         (Symbol_table::icf_): New data member.
4027         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4028         * testsuite/Makefile.am: Add commands to build icf_test.
4029         * testsuite/Makefile.in: Regenerate.
4030         * testsuite/icf_test.sh: New file.
4031         * testsuite/icf_test.cc: New file.
4032
4033 2009-07-24  Chris Demetriou  <cgd@google.com>
4034
4035         * layout.cc (is_compressible_debug_section): Fix incorrect
4036         comment about compressed section names.
4037
4038 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4039
4040         PR 10419
4041         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4042
4043 2009-07-16  Ian Lance Taylor  <iant@google.com>
4044
4045         PR 10400
4046         * layout.h: #include <map>.
4047         (class Kept_section): Change from struct to class.  Add accessors
4048         and setters.  Add section size to Comdat_group mapping.  Change
4049         Comdat_group to std::map.  Add is_comdat_ field.  Add
4050         linkonce_size field in union.
4051         (class Layout): Update declaration of find_or_add_kept_section.
4052         Don't declare find_kept_object.
4053         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4054         parameter.  Add object, shndx, is_comdat, and is_group_name
4055         parameters.  Change all callers.  Adjust for new Kept_section.
4056         (Layout::find_kept_object): Remove.
4057         * object.cc (Sized_relobj::include_section_group): Update use of
4058         Kept_section.  Rename secnum to shndx.  Only record
4059         Kept_comdat_section if sections are the same size.
4060         (Sized_relobj::include_linkonce_section): Update use of
4061         Kept_section.  Only record Kept_comdat_section if sections are the
4062         same size.  Set size of linkonce section.
4063         (Sized_relobj::map_to_kept_section): Update call to
4064         get_kept_comdat_section.
4065         * object.h (class Sized_relobj): Rename fields in
4066         Kept_comdat_section to drop trailing underscores; change object
4067         field to Relobj*.  Change Kept_comdat_section_table to store
4068         struct rather than pointer.
4069         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4070         Add kept_object and kept_shndx parameters.  Change all callers.
4071         (Sized_relobj::get_kept_comdat_section): Change return type to
4072         bool.  Add kept_object and kept_shndx parameters.  Change all
4073         callers.
4074         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4075         Layout::find_or_add_kept_section.
4076
4077 2009-07-09  Ian Lance Taylor  <iant@google.com>
4078
4079         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4080         Reserve space in the hash table.
4081
4082 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4083
4084         * fileread.cc (File_read::get_mtime): New method.
4085         * fileread.h (Timespec): New structure.
4086         (File_read::get_mtime): New method.
4087         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4088         Renamed from timestamp_nsec.
4089         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4090         Elf_Xword.
4091         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4092         timestamp_nsec.
4093         (Incremental_inputs::report_archive): Save mtime; style fix. 
4094         (Incremental_inputs::report_obejct): Save mtime; style fix.
4095         (Incremental_inputs::report_script): Save mtime; style fix.
4096         (Incremental_inputs::finalize_inputs): Style fix.
4097         (Incremental_inputs::finalize): Style fix.
4098         (Incremental_inputs::create_input_section_data): Store inputs
4099         mtime.
4100         * incremental.h (Incremental_inputs::report_script): Add mtime
4101         argument.
4102         (Incremental_inputs::Input_info::Input_info): Intialize only one
4103         union member.
4104         (Incremental_inputs::Input_info::archive): Move to nameless
4105         union.
4106         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4107         (Incremental_inputs::Input_info::script): Move to nameless union.
4108         (Incremental_inputs::mtime): New field.
4109         * script.cc (read_input_script): Pass file mtime to
4110         Incremental_input.
4111         * script.h (Script_info::inputs): Style fix.
4112
4113 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4114
4115         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4116         instead of 32.
4117
4118 2009-06-24  Ian Lance Taylor  <iant@google.com>
4119
4120         PR 10156
4121         * layout.cc (Layout::choose_output_section): If we find an
4122         existing section, update the flags.
4123         (Layout::create_notes): New function, broken out of
4124         Layout::finalize.
4125         (Layout::finalize): Don't create note sections.
4126         (Layout::create_note): Don't crash if linker script discards
4127         section.
4128         (Layout::create_gold_note): Likewise.
4129         (Layout::create_build_id): Likewise.  Don't set
4130         after_input_sections on the section.
4131         (Layout::create_executable_stack_info): Remove target parameter.
4132         Change caller.
4133         * layout.h (class Layout): Declare create_notes.  Update
4134         declaration of create_executable_stack_info.
4135         * gold.cc (queue_middle_tasks): Call create_notes.
4136         * output.cc (Output_section::update_flags_for_input_section): Move
4137         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4138         invalid.
4139         * output.h (Output_data::mark_address_invalid): New function.
4140         (class Output_section): Only declare, not define,
4141         update_flags_for_input_section.  Remove set_flags.
4142
4143 2009-06-24  Ian Lance Taylor  <iant@google.com>
4144
4145         * script-sections.cc (Output_section_definition::
4146         set_section_addresses): Rename shadowing local load_address to
4147         laddr.
4148
4149 2009-06-24  Ian Lance Taylor  <iant@google.com>
4150
4151         PR 10244
4152         * reloc.cc (relocate_sections): Skip empty relocation sections.
4153
4154 2009-06-23  Ian Lance Taylor  <iant@google.com>
4155
4156         PR 10156
4157         * layout.cc (Layout::create_note): Use choose_output_section
4158         rather than make_output_section.
4159
4160 2009-06-23  Ian Lance Taylor  <iant@google.com>
4161
4162         PR 10237
4163         * options.cc (General_options::parse_V): Set printed_version_.
4164         (General_options::General_options): Initialize printed_version_.
4165         * options.h (class General_options): Add printed_version_ field.
4166         * gold.cc (queue_initial_tasks): If there are no input files,
4167         don't give a fatal error if we printed the version information.
4168         (queue_middle_tasks): If using -r with a shared object, give a
4169         fatal error rather than an ordinary error.
4170
4171 2009-06-23  Ian Lance Taylor  <iant@google.com>
4172
4173         PR 10219
4174         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4175         (Layout::make_output_section): Set have_stabstr_section_ if we see
4176         a .stab*str section.
4177         (Layout::finalize): Call link_stabs_sections.
4178         (Layout::link_stabs_sections): New file.
4179         * layout.h (class Layout): Add have_stabstr_section_ field.
4180         Declare link_stabs_sections.
4181
4182 2009-06-23  Doug Kwan  <dougkwan@google.com>
4183
4184         * Makefile.am (libgold_a_LIBADD): New.
4185         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4186         * Makefile.in: Regenerate.
4187         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4188         * configure: Regenerate.
4189         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4190         * fileread.cc: Include sys/state.h
4191         * gold.h: Declare memmem and strndup if found missing.
4192         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4193
4194 2009-06-23  Ian Lance Taylor  <iant@google.com>
4195
4196         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4197         * configure: Rebuild.
4198
4199 2009-06-23  Ian Lance Taylor  <iant@google.com>
4200
4201         PR 10147
4202         * object.cc (Object::section_contents): Don't try to get a view if
4203         the section has length zero.
4204         (Object::handle_gnu_warning_section): If the section is empty, use
4205         the name of the section as the warning.
4206
4207 2009-06-23  Ian Lance Taylor  <iant@google.com>
4208
4209         PR 10133
4210         * stringpool.h (class Stringpool_template): Add optimize_ field.
4211         (Stringpool_template::set_optimize): New function.
4212         * stringpool.cc (Stringpool_template::Stringpool_template):
4213         Initialize optimize_ field.
4214         (Stringpool_template::set_string_offsets): Test local optimize
4215         fild rather than parameter.
4216         * layout.cc (Layout::Layout): Call set_optimize on the section
4217         name stringpool.
4218
4219 2009-06-22  Ian Lance Taylor  <iant@google.com>
4220
4221         PR 10030
4222         * yyscript.y: Parse TARGET.
4223         * script.cc (script_set_target): New function.
4224         * script-c.h (script_set_target): Declare.
4225         * options.cc (General_options::string_to_object_format): Rename
4226         from string_to_object_format in anonymous namespace.  Change
4227         callers.
4228         * options.h (class General_options): Declare
4229         string_to_object_format.
4230
4231 2009-06-22  Ian Lance Taylor  <iant@google.com>
4232
4233         * script-sections.cc (Script_sections::create_segments): Don't put
4234         program headers in a PT_LOAD segment if -n or -N.
4235
4236 2009-06-22  Ian Lance Taylor  <iant@google.com>
4237
4238         PR 10141
4239         * options.h (class General_options): Add -z lazy and -z now.  Sort
4240         -z options into alphabetical order.
4241         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4242
4243 2009-06-21  Ian Lance Taylor  <iant@google.com>
4244
4245         * layout.cc (Layout::make_output_section): Call
4246         Target::new_output_section.
4247         (Layout::attach_allocated_section_to_segment): Put large section
4248         sections in a separate load segment with the large segment flag
4249         set.
4250         (Layout::segment_precedes): Sort large data segments after other
4251         load segments.
4252         (align_file_offset): New static function.
4253         (Layout::set_segment_offsets): Use align_file_offset.
4254         * output.h (class Output_section): Add is_small_section_ and
4255         is_large_section_ fields.
4256         (Output_section::is_small_section): New function.
4257         (Output_section::set_is_small_section):  New function.
4258         (Output_section::is_large_section): New function.
4259         (Output_section::set_is_large_section): New function.
4260         (Output_section::is_large_data_section): New function.
4261         (class Output_segment): Add is_large_data_segment_ field.
4262         (Output_segment::is_large_data_segment): New function.
4263         (Output_segment::set_is_large_data_segment): New function.
4264         * output.cc (Output_section::Output_section): Initialize new
4265         fields.
4266         (Output_segment::Output_segment): Likewise.
4267         (Output_segment::add_output_section): Add assertion that large
4268         data sections always go in large data segments.  Force small data
4269         sections to the end of the list of data sections.  Force small BSS
4270         sections to the start of the list of BSS sections.  For large BSS
4271         sections to the end of the list of BSS sections.
4272         * symtab.h (class Symbol): Declare is_common_shndx.
4273         (Symbol::is_defined): Check Symbol::is_common_shndx.
4274         (Symbol::is_common): Likewise.
4275         (class Symbol_table): Define enum Commons_section_type.  Update
4276         declarations.  Add small_commons_ and large_commons_ fields.
4277         * symtab.cc (Symbol::is_common_shndx): New function.
4278         (Symbol_table::Symbol_table): Initialize new fields.
4279         (Symbol_table::add_from_object): Put small and large common
4280         symbols in the right list.
4281         (Symbol_table::sized_finalized_symbol): Check
4282         Symbol::is_common_shndx.
4283         (Symbol_table::sized_write_globals): Likewise.
4284         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4285         common symbol lists.  Don't call do_allocate_commons_list if the
4286         list is empty.
4287         (Symbol_table::do_allocate_commons_list): Remove is_tls
4288         parameter.  Add comons_section_type parameter.  Change all
4289         callers.  Handle small and large common symbols.
4290         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4291         Symbol::is_common_shndx.
4292         * resolve.cc (symbol_to_bits): Likewise.
4293         * target.h (Target::small_common_shndx): New function.
4294         (Target::small_common_section_flags): New function.
4295         (Target::large_common_shndx): New function.
4296         (Target::large_common_section_flags): New function.
4297         (Target::new_output_section): New function.
4298         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4299         small_common_section_flags, and large_common_section_flags
4300         fields.
4301         (Target::do_new_output_section): New virtual function.
4302         * arm.cc (Target_arm::arm_info): Initialize new fields.
4303         * i386.cc (Target_i386::i386_info): Likewise.
4304         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4305         Likewise.
4306         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4307         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4308         (Target_x86_64::do_new_output_section): New function.
4309         * configure.ac: Define conditional MCMODEL_MEDIUM.
4310         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4311         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4312         (large_LDFLAGS): Define.
4313         * testsuite/large.c: New file.
4314         * testsuite/testfile.cc (Target_test::test_target_info):
4315         Initialize new fields.
4316         * configure, testsuite/Makefile.in: Rebuild.
4317
4318 2009-06-05  Doug Kwan  <dougkwan@google.com>
4319
4320         * Makefile.am (CCFILES): Add target.cc.
4321         * Makefile.in: Regenerate. 
4322         * i386.cc (class Target_i386): Define new virtual method to
4323         override do_is_local_label_name in parent.
4324         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4325         local symbols if --discard-locals or -X is given.
4326         * options.h (class General_options): Declare new options
4327         '--discard-locals' and '-X' for discarding locals.
4328         * target.h (class Target): Define new methods is_local_label_name.
4329         Declare new virtual method do_is_local_label_name.
4330         * target.cc: New file.
4331         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4332         (check_SCRIPTS): Add discard_locals_test.sh.
4333         (check_DATA): Add discard_local_tests.syms.
4334         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4335         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4336         * testsuite/Makefile.in: Regenerate.
4337         * testsuite/discard_locals_test.c: New file.
4338         * testsuite/discard_locals_test.sh: Same.
4339
4340 2009-06-05  Doug Kwan  <dougkwan@google.com>
4341
4342         * object.cc (Sized_relobj::Sized_relobj): Initialize
4343         discarded_eh_frame_shndx_ to -1U.
4344         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4345         section.
4346         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4347         a discarded .eh_frame section.
4348         (Sized_relobj::do_finalize_local_symbols): Ditto.
4349         * object.h (class Sized_relobj): Declare new member
4350         discarded_eh_frame_shndx_.
4351         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4352         (local_labels_test.o, local_labels_test): New rules.
4353         * testsuite/Makefile.in: Regenerate.
4354
4355 2009-06-04  Doug Kwan  <dougkwan@google.com>
4356
4357         * layout.cc (Layout::section_name_mapping): Add mapping for
4358         special ARM sections.
4359
4360 2009-06-03  Doug Kwan  <dougkwan@google.com>
4361
4362         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4363         (utils::has_overflow): Same.
4364
4365 2009-06-03  Ian Lance Taylor  <iant@google.com>
4366
4367         * layout.cc (Layout::section_name_mapping): New array, replacing
4368         Layout::linkonce_mapping.
4369         (Layout::section_name_mapping_count): New variable, replacing
4370         Layout::linkonce_mapping_count.
4371         (Layout::linkonce_output_name): Remove.
4372         (Layout::output_section_name): Rewrite.
4373         * layout.h (class Layout): Rename Linkonce_mapping to
4374         Section_name_mapping, linkonce_mapping to section_name_mapping,
4375         linkonce_mapping_count to section_name_mapping_count.  Don't
4376         declare linkonce_output_name.
4377
4378 2009-06-03  Doug Kwan  <dougkwan@google.com>
4379
4380         * gold/arm.cc (namespace utils): New.
4381         (Target_arm::reloc_is_non_pic): Define new method.
4382         (class Arm_relocate_functions): New.
4383         (Target_arm::Relocate::relocate): Handle relocation types used by
4384         Android.
4385
4386 2009-06-03  Ian Lance Taylor  <iant@google.com>
4387
4388         * arm.cc (Target_arm::scan::global): Use || instead of |.
4389
4390 2009-06-02  Doug Kwan  <dougkwan@google.com>
4391
4392         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4393         issued_non_pic_error_.
4394         (class Target_arm::Scan): Declare new method check_non_pic.
4395         Define new method symbol_needs_plt_entry.
4396         Declare new data member issued_non_pic_error_.
4397         (class Target_arm::Relocate): Declare new method
4398         should_apply_static_reloc.
4399         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4400         (Target_arm::Scan::check_non_pic): Define new method.
4401         (Target_arm::Scan::local): Handle a small subset of reloc types used
4402         by Android.
4403         (Target_arm::Scan::local): Same.
4404         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4405
4406 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4407
4408         * incremental.cc (Incremental_inputs::report_command_line): Filter
4409         out --incremental-* options.
4410
4411 2009-05-29  Doug Kwan  <dougkwan@google.com>
4412
4413         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4414         template class.
4415         (class Target_arm): Update comment.
4416         (Target_arm::Target_arm): Initialize new data members GOT_,
4417         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4418         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4419         and Target_arm::rel_dyn_section.
4420         Declare new_enum Target_arm::Got_type.
4421         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4422         and DYNBSS_.
4423         Update commments for member do_dynsym_value.
4424         (Target_arm::got_size, Target_arm::plt_section,
4425         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4426         new methods inside class defintion.
4427         (Target_arm::got_section): Define new method.
4428         (Target_arm::rel_dyn_section): Same.
4429         (Output_data_plt_arm): New template class.
4430         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4431         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4432         (Output_data_plt_arm::add_entry): Same.
4433         (Output_data_plt_arm::first_plt_entry): Define new
4434         static data member for PLT instruction template.
4435         (Output_data_plt_arm::plt_entry): Same.
4436         (Output_data_plt_arm::do_write): Define new method.
4437         (Target_arm::make_plt_entry): Same.
4438         (Target_arm::do_finalize_sections): Same.
4439         (Target_arm::do_dynsym_value): Same.
4440
4441 2009-05-28  Doug Kwan  <dougkwan@google.com>
4442
4443         * Makefile.am (TARGETSOURCES): Add arm.cc.
4444         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4445         * Makefile.in: Regenerate.
4446         * arm.cc: New file.
4447         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4448
4449 2009-05-26  Doug Kwan  <dougkwan@google.com>
4450
4451         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4452         (General_options::check_excluded_libs): Strip off directories in
4453         archive name before matching like GNU ld does.
4454         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4455         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4456         (exclude_libs_test_LDFLAGS): Add linker option
4457         -Wl,--exclude-libs,libexclude_libs_test_3
4458         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4459         an explicit archive without using -l.
4460         (alt/libexclude_libs_test_3.a): New make rule.
4461         * testsuite/Makefile.in: Regenerate.
4462         * testsuite/exclude_libs_test.c : Declare lib3_default().
4463         (main): Call it.
4464         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4465         * exclude_libs_test_3.c: New file.
4466
4467 2009-05-26  Nick Clifton  <nickc@redhat.com>
4468
4469         * po/id.po: New Indonesian translation.
4470         * po/gold.pot: Updated template file.
4471
4472 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4473
4474         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4475         gc_comdat_test files.  Add -Wl,--gc-sections to build
4476         gc_comdat_test.
4477         * testsuite/Makefile.in: Regenerate.
4478         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4479
4480 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4481
4482         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4483         kept comdat section was garbage collected.
4484         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4485         * testsuite/Makefile.in: Regenerate.
4486         * testsuite/gc_comdat_test.sh: New file.
4487         * testsuite/gc_comdat_test_1.cc: New file.
4488         * testsuite/gc_comdat_test_2.cc: New file.
4489
4490 2009-05-19  Doug Kwan  <dougkwan@google.com>
4491
4492         * archive.cc (Archive::Archive): Move constructor from archive.h
4493         to here.  Initialize no_export_.
4494         (Archive::get_elf_object_for_member): Set no_export flag of object.
4495         * archive.h (Archive::Archive): Move constructor body to
4496         archive.cc.
4497         (Archive::no_export): New method.
4498         (Archive::no_export_): New field.
4499         * object.h (Object::Object): Initialize no_export_ to false.
4500         (Object::no_export, Object::set_no_export): New methods.
4501         (Object::no_export_): New field.
4502         * options.cc (General_options::parse_exclude_libs): New method.
4503         (General_options::check_excluded_libs) Same.
4504         * options.h (exclude_libs): New option.
4505         (General_options::check_excluded_libs): New method declaration.
4506         (General_options::excluded_libs_): New field.
4507         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4508         default or protected visibility if an object has no-export flag set.
4509         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4510         (check_SCRIPTS): Add exclude_libs_test.sh.
4511         (check_DATA): Add exclude_libs_test.syms.
4512         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4513         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4514         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4515         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4516         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4517         libexclude_libs_test_2.a): New rules.
4518         * testsuite/Makefile.in: Regenerate.
4519         * testsuite/exclude_libs_test.c: New file.
4520         * testsuite/exclude_libs_test.sh: Ditto.
4521         * testsuite/exclude_libs_test_1.c: Ditto.
4522         * testsuite/exclude_libs_test_2.c: Ditto.
4523
4524 2009-05-15  Ian Lance Taylor  <iant@google.com>
4525
4526         * configure.ac: Check for declarations for cases where libiberty.h
4527         checks HAVE_DECL_xxx.
4528         * configure, config.in: Rebuild.
4529
4530 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4531
4532         * gold.h (Incremental_argument_list): Remove (invalid) forward
4533         declaration.
4534         * incremental.cc (Incremental_inputs::report_achive): New method.
4535         (Incremental_inputs::report_object): New method.
4536         (Incremental_inputs::report_script): New method.
4537         (Incremental_inputs::finalize_inputs): New method.
4538         (Incremental_inputs::finalize): Call finalize_inputs().
4539         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4540         Create inputs entries.
4541         * incremental.h (Incremental_input_type): New enum.
4542         (Incremental_inputs::Incremental_input): Initialize new fields.
4543         (Incremental_inputs::report_inputs): New method.
4544         (Incremental_inputs::report_achive): New method.
4545         (Incremental_inputs::report_object): New method.
4546         (Incremental_inputs::report_script): New method.
4547         (Incremental_inputs::finalize_inputs): New method.
4548         (Incremental_inputs::Input_info): New struct.
4549         (Incremental_inputs::Input_info_map): New typedef.
4550         (Incremental_inputs::lock_): New field.
4551         (Incremental_inputs::Inputs_): New field.
4552         (Incremental_inputs::Inputs_map): New field.
4553         * main.cc (main): Call Incremental_input::report_inputs.
4554         * options.h (Input_argument_list): Typedef moved from
4555         Input_arguments.
4556         (Input_file_group::Files): Remove, use ::Input_argument_list.
4557         (Input_file_group::Input_argument_list): Remove, use
4558         ::Input_argument_list.
4559         * plugin.cc (Plugin_manager::add_input_file): Add error in
4560         incremental build.
4561         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4562         functions.
4563         * script.cc (read_input_script): Call
4564         Incremental_input::report_script.
4565         * script.h (Script_info): New class.
4566
4567 2009-04-27  Ian Lance Taylor  <iant@google.com>
4568
4569         * x86_64.cc (do_adjust_output_section): Set entsize to
4570         plt_entry_size.
4571
4572 2009-04-23  Elliott Hughes  <enh@google.com>
4573
4574         * output.cc (Output_file::close): After short writes, continue
4575         writing from the correct offset in the buffer being written.
4576
4577 2009-04-23  Chris Demetriou  <cgd@google.com>
4578
4579         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4580         * configure: Regenerate.
4581         * config.in: Regenerate.
4582         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4583         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4584
4585 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4586
4587         * incremental.cc (Incremental_inputs_header_data): Renamed from
4588         Incremental_input_header_data.
4589         (Incremental_inputs_header_data::data_size): New field.
4590         (Incremental_inputs_header_data::put_input_file_count): Renamed
4591         from input_file_count.
4592         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4593         from command_line_offset.
4594         (Incremental_inputs_header_data::put_reserved): Renamed from
4595         put_reserved.
4596         (Incremental_inputs_entry_data): Renamed from
4597         Incremental_input_entry_data.
4598         (Incremental_inputs_entry_data::data_size): New field.
4599         (Incremental_inputs::report_command_line): New method.
4600         (Incremental_inputs::finalize): New method.
4601         (Incremental_inputs::create_incremental_inputs_data): New method.
4602         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4603         * incremental.h: New file.
4604         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4605        (Layout::finalize): Create incremental inputs section in
4606         incremental builds.
4607        (Layout::create_incremental_info_sections): New method.
4608         * layout.h (Layout::incremental_inputs): New method.
4609        (Layout::create_incremental_info_sections): New method.
4610        (Layout::incremental_inputs_): New field.
4611         * main.cc (main): Notify Incremental_input of the command line.
4612
4613 2009-04-01  Ian Lance Taylor  <iant@google.com>
4614             Mikolaj Zalewski  <mikolajz@google.com>
4615
4616         * gold.h (reserve_unordered_map): Define, three versions, one for
4617         each version of Unordered_map.
4618         * layout.cc (Layout::Layout): Remove options parameter.  Add
4619         number_of_input_files parameter.  Don't initialize options_.
4620         Initialize number_of_input_files_ and resized_signatures_.  Move
4621         sections_are_attached_.
4622         (Layout::layout_group): Reserve space for group_signatures_.
4623         (Layout::find_or_add_kept_section): Change name parameter to be a
4624         reference.  Resize signatures_ map when it gets large enough.
4625         (Layout::layout_eh_frame): Use parameters->options() instead of
4626         this->options_.
4627         (Layout::make_output_section): Likewise.
4628         (Layout::attach_allocated_section_to_segment): Likewise.
4629         (Layout::finalize, Layout::create_executable_stack): Likewise.
4630         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4631         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4632         * layout.h (class Layout): Update declarations.  Remove options_
4633         field.  Add number_of_input_files_ and resized_signatures_
4634         fields.  Move sections_are_attached_ field.
4635         * main.cc (main): Pass number of input files to Layout
4636         constructor.  Don't pass options.
4637
4638 2009-03-30  Ian Lance Taylor  <iant@google.com>
4639
4640         * ffsll.c (ffsll): Correct implementation.
4641
4642 2009-03-27  Ian Lance Taylor  <iant@google.com>
4643
4644         * ffsll.c: New file.
4645         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4646         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4647         * ftruncate.c (ftruncate): Declare before definition.
4648         * mremap.c (mremap): Likewise.
4649         * pread.c (pread): Likewise.
4650         * configure, Makefile.in, config.in: Rebuild.
4651
4652         * mremap.c: New file.
4653         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4654         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4655         (mremap): Declare if HAVE_MREMAP is not defined.
4656         * configure, Makefile.in, config.in: Rebuild.
4657
4658 2009-03-27  Cary Coutant  <ccoutant@google.com>
4659
4660         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4661         position independent.
4662         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4663         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4664
4665 2009-03-24  Cary Coutant  <ccoutant@google.com>
4666
4667         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4668         an executable.
4669         (needs_dynamic_reloc): Likewise.
4670
4671 2009-03-24  Ian Lance Taylor  <iant@google.com>
4672
4673         * yyscript.y (file_cmd): Recognize EXTERN.
4674         (extern_name_list, extern_name_list_body): New nonterminals.
4675         * script.cc (script_add_extern): Define.
4676         * script-c.h (script_add_extern): Declare.
4677
4678 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4679
4680         * object.cc (is_elf_object): Define.
4681         * object.h (is_elf_object): Declare.
4682         * archive.cc (Archive::get_elf_object_for_member): Call
4683         is_elf_object.
4684         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4685
4686 2009-03-24  Elliott Hughes  <enh@google.com>
4687
4688         * output.cc (Output_file::map_anonymous): Define.
4689         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4690         try an anonymous one.  Report the size if the mmap fails.
4691         * output.h (class Output_file): Declare map_anonymous.
4692
4693 2009-03-24  Ian Lance Taylor  <iant@google.com>
4694
4695         * target-select.cc (instantiate_target): Don't acquire the lock if
4696         the instantiated_target_ field has already been set.
4697
4698 2009-03-23  Ian Lance Taylor  <iant@google.com>
4699
4700         * gold-threads.h (class Initialize_lock): Define.
4701         * gold-threads.cc (class Initialize_lock_once): Define.
4702         (initialize_lock_control): New static variable.
4703         (initialize_lock_pointer): New static variable.
4704         (initialize_lock_once): New static function.
4705         (Initialize_lock::Initialize_lock): Define.
4706         (Initialize_lock::initialize): Define.
4707         * target-select.h: Include "gold-threads.h".
4708         (class Target_selector): Add lock_ and initialize_lock_ fields.
4709         Don't define instantiate_target, just declare it.
4710         * target-select.cc (Target_selector::Target_selector): Initialize
4711         new fields.
4712         (Target_selector::instantiate_target): Define.
4713         * descriptors.h: Include "gold-threads.h".
4714         (class Descriptors): Add initialize_lock_ field.
4715         * descriptors.cc (Descriptors::Descriptors): Initialize new
4716         field.
4717         (Descriptors::open): Use initialize_lock_ field
4718         * errors.h (class Errors): Add initialize_lock_ field.
4719         * errors.cc (Errors::Errors): Initialize new field.
4720         (Errors::initialize_lock): Use initialize_lock_ field.
4721         * powerpc.cc (class Target_selector_powerpc): Remove
4722         instantiated_target_ field.  In do_recognize call
4723         instantiate_target rather than do_instantiate_target.  In
4724         do_instantiate_target just allocate a new target.
4725         * sparc.cc (class Target_selector_sparc): Likewise.
4726
4727         * freebsd.h: New file.
4728         * i386.cc: Include "freebsd.h".
4729         (Target_i386): Derive from Target_freebsd rather than
4730         Sized_target.
4731         (Target_selector_i386): Derive from Target_selector_freebsd rather
4732         than Target_selector.
4733         * x86_64.cc: Include "freebsd.h".
4734         (Target_x86_64): Derive from Target_freebsd rather than
4735         Sized_target.
4736         (Target_selector_x86_64): Derive from Target_selector_freebsd
4737         rather than Target_selector.
4738         * target.h (class Target): Add adjust_elf_header and
4739         do_adjust_elf_header.
4740         * output.cc (Output_file_header:: do_sized_write): Call target
4741         adjust_elf_header routine.
4742         * configure.tgt: Set targ_osabi.
4743         * configure.ac: Define GOLD_DEFAULT_OSABI.
4744         * parameters.cc (Parameters::default_target): Pass
4745         GOLD_DEFAULT_OSABI to select_target.
4746         * target-select.h (class Target_selector): Make instantiate_target
4747         protected rather than private.
4748         * Makefile.am (HFILES): Add freebsd.h.
4749         * configure, Makefile.in, config.in: Rebuild.
4750
4751         * merge.cc (do_add_input_section): Correct pend value.  Change
4752         message about last entry not being null terminated from error to
4753         warning.
4754
4755 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4756
4757         * incremental.cc: New file.
4758         * Makefile.am (CCFILES): Add incremental.cc.
4759         * Makefile.in: Rebuild.
4760
4761 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
4762
4763         * layout.cc (Layout::output_section_name): Preserve names
4764         of '.note.' sections.
4765         
4766 2009-03-19  Ian Lance Taylor  <iant@google.com>
4767
4768         * descriptors.cc (Descriptors::open): Check that the options are
4769         valid before using them.
4770
4771 2009-03-18  Ian Lance Taylor  <iant@google.com>
4772
4773         * script-sections.h: Include <list>.
4774         (class Script_sections): Change Sections_elements from std::vector
4775         to std::list.  Typedef public Elements_iterator.  Add
4776         orphan_section_placement_, data_segment_align_start_, and
4777         saw_data_segment_align_ fields.  Remove data_segment_align_index_
4778         field.
4779         * script-sections.cc (class Orphan_section_placement): New class.
4780         (class Sections_element): Add virtual functions is_relro and
4781         orphan_section_init.  Remove virtual function place_orphan_here.
4782         (class Output_section_definition): Add is_relro and
4783         orphan_section_init.  Remove place_orphan_here.
4784         (class Orphan_output_section): Likewise.
4785         (Script_sections::Script_sections): Update for field changes.
4786         (Script_sections::data_segment_align): Set saw_data_segment_align_
4787         and data_segment_align_start_, not data_segment_align_index.
4788         (Script_sections::data_segment_relro_end): Check
4789         saw_data_segment_align_.  Use data_segment_align_start_ rather
4790         than data_segment_align_index_.
4791         (Script_sections::place_orphan): Rewrite to use
4792         Orphan_section_placement.
4793
4794 2009-03-17  Ian Lance Taylor  <iant@google.com>
4795
4796         * archive.cc (Archive::add_symbols): Check for a version attached
4797         to the symbol name in the archive map.
4798         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4799         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4800         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4801         (ver_test_11.a): New target.
4802         * testsuite/Makefile.in: Rebuild.
4803
4804         * configure.ac: Check for chsize and posix_fallocate.  Replace
4805         ftruncate.
4806         * ftruncate.c: New file, from gnulib.
4807         * output.cc (posix_fallocate): Define dummy version if not
4808         HAVE_POSIX_FALLOCATE.
4809         (Output_file::map): Call posix_fallocate rather than lseek and
4810         write.
4811         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4812         * configure, Makefile.in, config.in: Rebuild.
4813
4814 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
4815         
4816         * layout.h (Layout::create_note): Add section_name parameter.
4817         * layout.cc (Layout::create_note): Likewise.
4818         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4819         
4820 2009-03-17  Ian Lance Taylor  <iant@google.com>
4821
4822         * descriptors.cc: Include "options.h".
4823         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4824         (Descriptors::open): Always use O_CLOEXEC when opening a new
4825         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
4826         then set FD_CLOEXEC.
4827
4828         * sparc.cc (class Target_sparc): Add has_got_section.
4829         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4830         make sure we have a GOT section.
4831
4832         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4833         (Target_sparc::Scan::local): Likewise.
4834         (Target_sparc::Scan::global): Likewise.
4835         (Target_sparc::Relocate::relocate): Likewise.
4836         (Target_sparc::Relocate::relocate_tls): Likewise.
4837
4838         * symtab.cc (Symbol_table::define_default_version): New function,
4839         broken out of add_from_object.
4840         (Symbol_table::add_from_object): Call define_default_version.
4841         (Symbol_table::define_special_symbol): Add resolve_oldsym
4842         parameter.  Change all callers.  If the version for a symbol comes
4843         from a version script, resolve it with the symbol with the same
4844         name with no version.  Also add the symbol without a version if
4845         appropriate.
4846         (do_define_in_output_data): If resolving with oldsym, don't delete
4847         sym.
4848         (do_define_in_output_segment): Likewise.
4849         (do_define_as_constant): Likewise.
4850         * symtab.h (class Symbol_table): Update declarations.
4851
4852 2009-03-13  Ian Lance Taylor  <iant@google.com>
4853
4854         * readsyms.cc (Read_symbols::incompatible_warning): New function.
4855         (Read_symbols::requeue): New function.
4856         (Read_symbols::do_read_symbols): If make_elf_object fails because
4857         the target type is not configured, and the file was searched for,
4858         issue a warning and retry with the next directory.
4859         (Add_symbols::run): If the file has an incompatible format, and
4860         it was searched for, requeue the Read_symbols task.  On error,
4861         release the object.
4862         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
4863         dirindex parameter to constructor.  Change all callers.  Declare
4864         incompatible_warning and requeue.
4865         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4866         input_argument_ and input_group_ fields.  Add them to
4867         constructor.  Change all callers.
4868         (class Read_script): Add dirindex_ field.  Add it to constructor.
4869         Change all callers.
4870         * archive.cc (Archive::setup): Remove input_objects parameter.
4871         Change all callers.
4872         (Archive::get_file_and_offset): Likewise.
4873         (Archive::read_all_symbols): Likewise.
4874         (Archive::read_symbols): Likewise.
4875         (Archive::get_elf_object_for_member): Remove input_objects
4876         parameter.  Add punconfigured parameter.  Change all callers.
4877         (Archive::add_symbols): Change return type to bool.  Check return
4878         value of include_member.
4879         (Archive::include_all_members): Likewise.
4880         (Archive::include_member): Change return type to bool.  Return
4881         false if first included object has incompatible target.  Set
4882         included_member_ field.
4883         (Add_archive_symbols::run): If add_symbols returns false, requeue
4884         Read_symbols task.
4885         * archive.h (class Archive): Add included_member_ field.
4886         Initialize it in constructor.  Add input_file and searched_for
4887         methods.  Update declarations.
4888         (class Add_archive_symbols): Add dirpath_, dirindex_, and
4889         input_argument_ fields.  Add them to constructor.  Change all
4890         callers.
4891         * script.cc: Include "target-select.h".
4892         (class Parser_closure): Add skip_on_incompatible_target_ and
4893         found_incompatible_target_ fields.  Add
4894         skip_on_incompatible_target parameter to constructor.  Change all
4895         callers.  Add methods skip_on_incompatible_target,
4896         clear_skip_on_incompatible_target, found_incompatible_target, and
4897         set_found_incompatible_target.
4898         (read_input_script): Add dirindex parameter.  Change all callers.
4899         If parser finds an incompatible target, requeue Read_symbols
4900         task.
4901         (script_set_symbol): Clear skip_on_incompatible_target in
4902         closure.
4903         (script_add_assertion, script_parse_option): Likewise.
4904         (script_start_sections, script_add_phdr): Likewise.
4905         (script_check_output_format): New function.
4906         * script.h (read_input_script): Update declaration.
4907         * script-c.h (script_check_output_format): Declare.
4908         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4909         (ignore_cmd): Remove OUTPUT_FORMAT.
4910         * fileread.cc (Input_file::Input_file): Add explicit this.
4911         (Input_file::will_search_for): New function.
4912         (Input_file::open): Add pindex parameter.  Change all callers.
4913         * fileread.h (class Input_file): Add input_file_argument method.
4914         Declare will_search_for.  Update declarations.
4915         * object.cc (make_elf_object): Add punconfigured parameter.
4916         Change all callers.
4917         * object.h (class Object): Make input_file public.  Add
4918         searched_for method.
4919         (make_elf_object): Update declaration.
4920         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
4921         restart search.
4922         * dirsearch.h (class Dirsearch): Update declaration.
4923         * options.h (class General_options): Add --warn-search-mismatch.
4924         * parameters.cc (Parameters::is_compatible_target): New function.
4925         * parameters.h (class Parameters): Declare is_compatible_target.
4926         * workqueue.cc (Workqueue::add_blocker): New function.
4927         * workqueue.h (class Workqueue): Declare add_blocker.
4928
4929         * fileread.cc (Input_file::open): Remove options parameter.
4930         Change all callers.
4931         (Input_file::open_binary): Likewise.
4932         * script.cc (read_input_script): Likewise.
4933         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
4934         options parameter from constructor.  Change all callers.
4935         (class Read_script): Likewise.
4936         * fileread.h (class Input_file): Update declarations.
4937         * script.h (read_input_script): Update declaration.
4938
4939 2009-03-10  Nick Clifton  <nickc@redhat.com>
4940
4941         * po/es.po: New Spanish translation.
4942
4943 2009-03-06  Cary Coutant  <ccoutant@google.com>
4944
4945         * options.cc (parse_short_option): Keep dash_z from registering itself.
4946
4947 2009-03-03  Ian Lance Taylor  <iant@google.com>
4948
4949         PR 9918
4950         * target-reloc.h (relocate_section): Pass output_section to
4951         relocate.
4952         * i386.cc (Target_i386::should_apply_static_reloc): Add
4953         output_section parameter.  Change all callers.
4954         (Target_i386::Relocate::relocate): Add output_section parameter.
4955         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4956         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4957         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4958         * testsuite/two_file_shared.sh: New script.
4959         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4960         (check_DATA): Add two_file_shared.dbg.
4961         (two_file_shared.dbg): New target.
4962         * testsuite/Makefile.in: Rebuild.
4963
4964 2009-03-01  Ian Lance Taylor  <iant@google.com>
4965
4966         * configure.ac: Check for byteswap.h.
4967         * configure: Rebuild.
4968         * config.in: Rebuild.
4969
4970 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
4971
4972         * layout.cc (Layout::find_or_add_kept_section): New function.
4973         (Layout::add_comdat): Removed.
4974         * layout.h (struct Kept_section): Move out of class Layout.
4975         Remove trailing underscores from field names.  Add group_sections
4976         field.  Rename group_ field to is_group.  Change all uses.
4977         (class Layout): Declare find_or_add_kept_section, not add_comdat.
4978         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4979         comdat_groups_ field.
4980         (Sized_relobj::include_section_group): Use
4981         find_or_add_kept_section and Kept_section::group_sections.
4982         (Sized_relobj::include_linkonce_section): Likewise.
4983         * object.cc (class Sized_relobj): Don't define Comdat_group or
4984         Comdat_group_table.  Remove find_comdat_group and
4985         add_comdat_group.  Remove comdat_groups_ field.
4986         * plugin.cc (include_comdat_group): Use
4987         Layout::find_or_add_kept_section.
4988
4989 2009-02-28  Ian Lance Taylor  <iant@google.com>
4990
4991         * README: --gc-sections and map files are now supported.  Document
4992         some build requirements.
4993
4994         PR 6992
4995         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4996         relocatable link set the value of the section symbol to zero.
4997         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4998         relocatable link don't include the section address in the local
4999         symbol value.
5000
5001 2009-02-27  Ian Lance Taylor  <iant@google.com>
5002
5003         PR 6811
5004         * options.h (class Search_directory): Add is_system_directory.
5005         (class General_options): Declare is_in_system_directory.
5006         * options.cc (get_relative_sysroot): Make static.
5007         (get_default_sysroot): Make static.
5008         (General_optoins::is_in_system_directory): New function.
5009         * fileread.cc (Input_file::is_in_system_directory): New function.
5010         * fileread.h (class Input_file): Declare is_in_system_directory.
5011         * object.h (class Object): Add is_in_system_directory.
5012         (class Input_objects): Remove system_library_directory_ field.
5013         * object.cc (Input_objects::add_object): Don't set
5014         system_library_directory_.
5015         (input_objects::found_in_system_library_directory): Remove.
5016         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5017         parameter.  Change all callers.
5018         (Symbol_table::sized_write_globals): Likewise.
5019         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5020         Call Object::is_in_system_directory.
5021         * symtab.h (class Symbol_table): Update declarations.
5022
5023         PR 5990
5024         * descriptors.h (Open_descriptor): Add is_on_stack field.
5025         * descriptors.cc (Descriptors::open): If the descriptor is on the
5026         top of the stack, remove it.  Initialize is_on_stack field.
5027         (Descriptors::release): Only add pod to stack if it is not on the
5028         stack already.
5029         (Descriptors::close_some_descriptor): Clear stack_next and
5030         is_on_stack fields.
5031
5032         PR 7091
5033         * output.cc (Output_section::find_starting_output_address): Rename
5034         from starting_output_address; add PADDR parameter; change return
5035         type.
5036         * output.h (class Output_section): Declare
5037         find_starting_output_address instead of starting_output_address.
5038         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5039         section symbol for which we can't find a merge section.
5040
5041         PR 9836
5042         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5043         hidden or internal, force the symbol to be local.
5044         * resolve.cc (Symbol::override_visibility): Define.
5045         (Symbol::override_base): Use override_visibility.
5046         (Symbol_table::resolve): Likewise.
5047         (Symbol::override_base_with_special): Likewise.
5048         (Symbol_table::override_with_special): If the visibility is hidden
5049         or internal, force the symbol to be local.
5050         * symtab.h (class Symbol): Add set_visibility and
5051         override_visibility.
5052         * testsuite/ver_test_1.sh: New file.
5053         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5054         (check_DATA): Add ver_test_1.syms.
5055         (ver_test_1.syms): New target.
5056         * testsuite/Makefile.in: Rebuild.
5057
5058 2009-02-25  Cary Coutant  <ccoutant@google.com>
5059
5060         * layout.cc (Layout::choose_output_section): Don't rename sections
5061         when using a linker script that has a SECTIONS clause.
5062         * Makefile.in: Regenerate.
5063
5064         * testsuite/Makefile.am (script_test_5.sh): New test case.
5065         * testsuite/Makefile.in: Regenerate.
5066         * testsuite/script_test_5.cc: New file.
5067         * testsuite/script_test_5.sh: New file.
5068         * testsuite/script_test_5.t: New file.
5069
5070 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5071
5072         * archive.cc (Archive::include_member): Update calls to add_symbols.
5073         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5074         the Layout argument.
5075         * dynobj.h (do_add_symbols): Add the Layout argument.
5076         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5077         Layout argument.
5078         * object.h (Object::add_symbols): Add the Layout argument.
5079         (Object::do_add_symbols): Add the Layout argument.
5080         (Sized_relobj::do_add_symbols): Add the Layout argument.
5081         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5082         Unify the two versions.
5083         (Add_plugin_symbols): Remove.
5084         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5085         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5086         (Add_plugin_symbols): Remove.
5087         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5088         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5089         (Add_symbols::run): Make it work with Pulginobj.
5090
5091 2009-02-06  Ian Lance Taylor  <iant@google.com>
5092
5093         * object.cc (Sized_relobj::do_layout): Make info message start
5094         with lower case letter.
5095
5096 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5097
5098         * binary.cc: Fix file comment.
5099
5100         * options.h (enum Incremental_disposition): Define.
5101         (class General_options): Add new options: --incremental,
5102         --incremental_changed, --incremental_unchanged,
5103         --incremental_unknown.  Add incremental_disposition_ and
5104         implicit_incremental_ fields.
5105         (General_options::incremental_disposition): New function.
5106         (class Position_dependent_options): Add incremental_disposition
5107         option.
5108         (Position_dependent_options::copy_from_options): Set incremental
5109         dispositions.
5110         * options.cc (General_options::parse_incremental_changed): New
5111         function.
5112         (General_options::parse_incremental_unchanged): New function.
5113         (General_options::parse_incremental_unknown): New function.
5114         (General_options::General_options): Initialize new fields
5115         incremental_disposition_ and implicit_incremental_.
5116         (General_options::finalize): Check for uasge of --incremental-*
5117         without --incremental.
5118
5119 2009-02-06  Chris Demetriou  <cgd@google.com>
5120
5121         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5122         pointer and to report location as the file name associated with
5123         the symbol.
5124         (gold_undefined_symbol_at_location): New function to replace the
5125         old gold_undefined_symbol functionality.
5126         * target-reloc.h (relocate_section): Update to use
5127         gold_undefined_symbol_at_location.
5128         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5129         Call gold_undefined_symbol function rather than gold_error.
5130         * errors.h (Errors::undefined_symbol): Take location as a
5131         string, rather than calculating it from a relocation.
5132         * errors.cc (Errors::fatal): Print "fatal error:" before the
5133         formatted message.
5134         (Errors::error, Errors::error_at_location): Print "error: "
5135         before the formatted message.
5136         (Errors::undefined_symbol): Take location as a string, rather
5137         than calculating it from a relocation.
5138         (gold_undefined_symbol_at_location): New function akin to
5139         old gold_undefined_symbol, calculates location from relocation.
5140         (gold_undefined_symbol): Change to take only a Symbol pointer
5141         and to report location as the file name associated with the symbol.
5142         * testsuite/debug_msg.sh: Update for changed error messages.
5143         * testsuite/undef_symbol.sh: Likewise.
5144
5145 2009-02-04  Duncan Sands  <baldrick@free.fr>
5146
5147         PR 9812
5148         * reduced_debug_output.h
5149         (Output_reduced_debug_abbrev_section::failed): Use format for
5150         gold_warning.
5151         (Output_reduced_debug_info_section::faild): Likewise.
5152
5153 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5154
5155         * script.cc (Lazy_demangler): New class.
5156         (Version_script_info::get_symbol_version_helper): Demangle a
5157         symbol only once.
5158
5159 2009-01-29  Cary Coutant  <ccoutant@google.com>
5160
5161         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5162         to __tls_get_addr.
5163         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5164
5165 2009-01-28  Ian Lance Taylor  <iant@google.com>
5166
5167         * version.cc (version_string): Bump to 1.9.
5168
5169         * gold.h: Include <cstring> and <stdint.h>.
5170         * version.cc: Include <cstdio>.
5171         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5172         warning.
5173         * reduced_debug_output.cc (insert_into_vector): Rename from
5174         Insert_into_vector; change all callers.  Use Swap_unaligned to
5175         avoid aliasing issue; remove union since it is unnecessary.
5176
5177 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5178
5179         * Makefile.am (CCFILES): Add gc.cc.
5180         (HFILES): Add gc.h.
5181         * Makefile.in: Regenerate.
5182         * gold.cc (Gc_runner): New class.
5183         (queue_initial_tasks): Call garbage collection related tasks
5184         when corresponding options are invoked.
5185         (queue_middle_gc_tasks): New function.
5186         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5187         processed early before laying out sections during garbage collection.
5188         * gold.h (queue_middle_gc_tasks): New function.
5189         (is_prefix_of): Move from "layout.cc".
5190         * i386.cc (Target_i386::gc_process_relocs): New function.
5191         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5192         * main.cc (main): Create object of class "Garbage_collection".
5193         * object.cc (Relobj::copy_symbols_data): New function.
5194         (Relobj::is_section_name_included): New function.
5195         (Sized_relobj::do_layout): Allow this function to be called twice 
5196         during garbage collection and defer layout of section during the 
5197         first call.
5198         * object.h (Relobj::get_symbols_data): New function.
5199         (Relobj::is_section_name_included): New function.
5200         (Relobj::copy_symbols_data): New function.
5201         (Relobj::set_symbols_data): New function.
5202         (Relobj::get_relocs_data): New function.
5203         (Relobj::set_relocs_data): New function.
5204         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5205         (Relobj::gc_process_relocs): New function.
5206         (Relobj::do_gc_process_relocs): New pure virtual function.
5207         (Relobj::sd_): New data member.
5208         (Sized_relobj::is_output_section_offset_invalid): New function.
5209         (Sized_relobj::do_gc_process_relocs): New function.
5210         * options.h (General_options::gc_sections): Modify to not be a no-op.
5211         (General_options::print_gc_sections): New option.
5212         * plugin.cc (Plugin_finish::run): Remove function call to
5213         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5214         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5215         * reloc.cc (Read_relocs::run): Add task to process relocs and
5216         determine unreferenced sections when doing garbage collection.
5217         (Gc_process_relocs): New class.
5218         (Sized_relobj::do_gc_process_relocs): New function.
5219         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5220         sections that are garbage collected.
5221         * reloc.h (Gc_process_relocs): New class.
5222         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5223         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5224         symbols whose corresponding sections are garbage collected.
5225         (Symbol_table::Symbol_table): Add new parameter for the garbage
5226         collection object.
5227         (Symbol_table::gc_mark_undef_symbols): New function.
5228         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5229         (Symbol_table::gc_mark_dyn_syms): New function.
5230         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5231         as garbage.
5232         (Symbol_table::add_from_object): Likewise.
5233         (Symbol_table::add_from_relobj): When building shared objects, do not
5234         treat externally visible symbols as garbage.
5235         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5236         table information for static and relocatable links.
5237         * symtab.h (Symbol_table::set_gc): New function.
5238         (Symbol_table::gc): New function.
5239         (Symbol_table::gc_mark_undef_symbols): New function.
5240         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5241         (Symbol_table::gc_mark_dyn_syms): New function.
5242         (Symbol_table::gc_): New data member.
5243         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5244         function.
5245         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5246         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5247
5248 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5249
5250         * options.h (General_options::gc_sections): Define as a no-op for now.
5251         (General_options::no_keep_memory): Ditto.
5252         (General_options::Bshareable): Define.
5253         * options.cc (General_options::finalize): Honor -Bshareable.
5254
5255 2009-01-20  Andreas Schwab  <schwab@suse.de>
5256
5257         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5258         read the value in the contents, since we don't use it.  Use the
5259         template endianness when writing.
5260         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5261
5262 2009-01-19  Andreas Schwab  <schwab@suse.de>
5263
5264         * configure.tgt (powerpc64-*): Fix targ_obj.
5265
5266 2009-01-15  Ian Lance Taylor  <iant@google.com>
5267
5268         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5269         local symbols when stripping all symbols.
5270
5271 2009-01-14  Cary Coutant  <ccoutant@google.com>
5272
5273         * output.cc (Output_reloc): Add explicit instantiations.
5274
5275 2009-01-14  Cary Coutant  <ccoutant@google.com>
5276
5277         * archive.cc (Archive::get_elf_object_for_member): Remove call
5278         to File_read::claim_for_plugin.
5279         * descriptors.cc (Descriptors::open): Remove reference to
5280         is_claimed.
5281         (Descriptors::claim_for_plugin): Remove.
5282         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5283         (Descriptors::is_claimed): Remove.
5284         (claim_descriptor_for_plugin): Remove.
5285         * fileread.cc (File_read::claim_for_plugin): Remove.
5286         * fileread.h (File_read::claim_for_plugin): Remove.
5287         (File_read::descriptor): Reopen descriptor if necessary.
5288         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5289         (Plugin_manager::all_symbols_read): Add task parameter. Change
5290         all callers.
5291         (Plugin_manager::get_input_file): New function.
5292         (Plugin_manager::release_input_file): New function.
5293         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5294         corresponding data member.
5295         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5296         and pass to base constructor. Change all callers.
5297         (get_input_file, release_input_file): New functions.
5298         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5299         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5300         (Plugin_manager::all_symbols_read): Add task parameter.
5301         (Plugin_manager::get_input_file): New function.
5302         (Plugin_manager::release_input_file): New function.
5303         (Plugin_manager::task_): New data member.
5304         (Pluginobj::Pluginobj): Add filesize parameter.
5305         (Pluginobj::filename): New function.
5306         (Pluginobj::descriptor): New function.
5307         (Pluginobj::filesize): New function.
5308         (Pluginobj::filesize_): New data member.
5309         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5310         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5311         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5312
5313         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5314         with archive libraries.
5315         * testsuite/Makefile.in: Regenerate.
5316         * testsuite/plugin_test.c (struct sym_info): New type.
5317         (get_input_file, release_input_file): New static variables.
5318         (onload): Capture new transfer vector entries.
5319         (claim_file_hook): Stop reading at end of file according to filesize.
5320         Factor out parsing of readelf output into separate function.
5321         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5322         APIs and get the source file name from the symbol table.  Convert
5323         source file name to corresponding object file name.  Print info
5324         message when adding new input files.
5325         (parse_readelf_line): New function.
5326         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5327         * testsuite/plugin_test_2.sh: Likewise.
5328         * testsuite/plugin_test_3.sh: Likewise.
5329         * testsuite/plugin_test_4.sh: New test case.
5330
5331 2009-01-07  Ian Lance Taylor  <iant@google.com>
5332
5333         * version.cc (version_string): Bump to 1.8.
5334
5335 2008-12-23  Cary Coutant  <ccoutant@google.com>
5336
5337         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5338         * plugin.cc (Plugin_manager::finish): Rename as
5339         layout_deferred_objects.  Move cleanup to separate function.
5340         (Plugin_manager::cleanup): New function.
5341         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5342         separately.
5343         * plugin.h (Plugin_manager::finish): Rename as
5344         layout_deferred_objects.
5345         (Plugin_manager::cleanup): New function.
5346         (Plugin_manager::cleanup_done): New field.
5347
5348 2008-12-23  Cary Coutant  <ccoutant@google.com>
5349
5350         * plugin.cc (is_visible_from_outside): New function.
5351         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5352         so we don't return "IR only" status for exported symbols or -r links.
5353
5354         * testsuite/Makefile.am (plugin_test_3): New test case.
5355         * testsuite/Makefile.in: Regenerate.
5356         * testsuite/plugin_test_3.sh: New file.
5357
5358 2008-12-22  Cary Coutant  <ccoutant@google.com>
5359
5360         * object.cc (Sized_relobj::layout_section): New function.
5361         (Sized_relobj::do_layout): Defer layout of input sections until after
5362         plugin has provided replacement files.
5363         (Sized_relobj::do_layout_deferred_sections): New function.
5364         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5365         (Relobj::layout_deferred_sections): New function.
5366         (Relobj::do_layout_deferred_sections): New function.
5367         (Sized_relobj::do_layout_deferred_sections): New function.
5368         (Sized_relobj::layout_section): New function.
5369         (Sized_relobj::Deferred_layout): New structure.
5370         (Sized_relobj::deferred_layout_): New field.
5371         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5372         Change all callers.  Layout deferred sections.
5373         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5374         references.
5375         (Plugin_hook::run): Move code from do_plugin_hook inline.
5376         (Plugin_hook::do_plugin_hook): Remove.
5377         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5378         (Plugin_manager::finish): Renamed, was cleanup.
5379         (Plugin_manager::should_defer_layout): New function.
5380         (Plugin_manager::add_deferred_layout_object): New function.
5381         (Plugin_manager::Deferred_layout_list): New type.
5382         (Plugin_manager::deferred_layout_objects_): New field.
5383         (Plugin_hook::do_plugin_hook): Remove.
5384
5385 2008-12-17  Ian Lance Taylor  <iant@google.com>
5386
5387         * options.h (class General_options): Add --no case for
5388         --export-dynamic.
5389
5390 2008-12-16  Cary Coutant  <ccoutant@google.com>
5391
5392         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5393         vector.
5394         (Plugin_manager::claim_file): Create plugin object even if
5395         plugin did not call the add_symbols callback.
5396         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5397         asking for more symbols than were added.
5398         * testsuite/Makefile.am (plugin_test_1): Add test case with
5399         no global symbols.
5400         (empty.syms): New target.
5401         * testsuite/Makefile.in: Regenerate.
5402         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5403         message. Don't call add_symbols if no globals.
5404         (all_symbols_read_hook): Don't provide replacement for empty
5405         claimed file.
5406
5407 2008-12-12  Ian Lance Taylor  <iant@google.com>
5408
5409         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5410         r_type == 0 for a local symbol with r_sym == 0.
5411         (scan_relocatable_relocs): Pass r_sym to
5412         local_non_section_strategy.
5413         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5414         r_sym parameter.
5415
5416         * configure.ac: Update test for TLS descriptors: they are
5417         supported as of glibc 2.9.
5418         * configure: Rebuild.
5419
5420 2008-12-11  Ian Lance Taylor  <iant@google.com>
5421
5422         PR 7091
5423         * target-reloc.h (Default_scan_relocatable_relocs): For each
5424         function, map r_type == 0 to RELOC_DISCARD.
5425
5426 2008-12-10  Cary Coutant  <ccoutant@google.com>
5427
5428         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5429         object to override a kept COMDAT group from a plugin object.
5430
5431 2008-12-09  Ian Lance Taylor  <iant@google.com>
5432
5433         PR 7088
5434         * yyscript.y (file_cmd): Handle INPUT.
5435
5436         * testsuite/initpri1.c: Change all declarations to be full
5437         prototypes by adding void, to avoid compiler warnings.
5438
5439 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5440
5441         * options.cc (General_options::parse_plugin_opt): New.
5442         (General_options::add_plugin): The argument now is just the filename.
5443         (General_options::add_plugin_option): New.
5444         * options.h (plugin_opt): New.
5445         (add_plugin): Change argument name.
5446         (add_plugin_option): New.
5447         * plugin.cc (Plugin::load): Don't parse the plugin option.
5448         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5449         (Plugin::add_option): New.
5450         (Plugin::args_): Change type.
5451         (Plugin::filename_): New.
5452         (Plugin_manager::add_plugin_option): New.
5453         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5454         * testsuite/Makefile.in: Regenerate.
5455
5456 2008-12-05  Cary Coutant  <ccoutant@google.com>
5457
5458         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5459         Handle --strip-lto-sections option.
5460         * options.h (strip_lto_sections): New option.
5461
5462 2008-12-01  Cary Coutant  <ccoutant@google.com>
5463
5464         * plugin.cc (ld_plugin_message): Change format parameter to const.
5465         Fix mismatch between new[] and delete.
5466
5467 2008-11-14  Cary Coutant  <ccoutant@google.com>
5468
5469         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5470         instead of -1U.
5471
5472 2008-11-05  Craig Silverstein  <csilvers@google.com>
5473
5474         * options.cc (General_options::parse_dynamic_list): New function.
5475         * options.h (General_options): New flags dynamic_list,
5476         dynamic_list_data, dynamic_list_cpp_new, and
5477         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5478         (General_options::in_dynamic_list): New function.
5479         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5480         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5481         (Lex::can_continue_name): Likewise.
5482         (yylex): Likewise.
5483         (read_script_file): New parameter script_options.
5484         (read_dynamic_list): New function.
5485         (Script_options::define_dynamic_list): New function.
5486         (dynamic_list_keyword_parsecodes): New variable.
5487         (dynamic_list_keywords): New variable.
5488         * script.h (Script_options::define_dynamic_list): New function
5489         prototype.
5490         (read_dynamic_list): New function prototype.
5491         * symtab.cc (strprefix): New macro.
5492         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5493         dynamic_list_data, dynamic_list_cpp_new, and
5494         dynamic_list_cpp_typeinfo.
5495         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5496         (dynamic_list_expr): New rule.
5497         (dynamic_list_nodes): Likewise.
5498         (dynamic_list_node): Likewise.
5499         * testsuite/Makefile.am (dynamic_list): New test.
5500         * testsuite/Makefile.in: Regenerated.
5501         * testsuite/dynamic_list.t: New file.
5502         * testsuite/dynamic_list.sh: New file.
5503
5504 2008-11-05  Craig Silverstein  <csilvers@google.com>
5505
5506         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5507         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5508         (t11_last): Likewise.
5509         * testsuite/ver_test_6.c (main): Likewise.
5510
5511 2008-10-07  Cary Coutant  <ccoutant@google.com>
5512
5513         * options.c (General_options::finalize): Add check for -static and
5514         -shared.
5515         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5516         is not empty.
5517
5518 2008-10-02  Cary Coutant  <ccoutant@google.com>
5519
5520         * plugin.cc (make_sized_plugin_object): Fix conditional
5521         compilation to work when not all targets are enabled.
5522
5523 2008-09-29  Cary Coutant  <ccoutant@google.com>
5524
5525         * archive.cc (Archive::get_file_and_offset): Use filename instead
5526         of name to get library path.
5527         (Archive::include_member): Unlock external member of a thin archive.
5528
5529         * testsuite/Makefile.am (TEST_AR): New variable.
5530         (thin_archive_test_1): New test.
5531         (thin_archive_test_2): New test.
5532         * testsuite/Makefile.in: Regenerate.
5533         * testsuite/thin_archive_main.cc: New file.
5534         * testsuite/thin_archive_test_1.cc: New file.
5535         * testsuite/thin_archive_test_2.cc: New file.
5536         * testsuite/thin_archive_test_3.cc: New file.
5537         * testsuite/thin_archive_test_4.cc: New file.
5538
5539 2008-09-29  Cary Coutant  <ccoutant@google.com>
5540
5541         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5542         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5543         instead of -1U.
5544         (Sized_relobj::do_finalize_local_symbols): Likewise.
5545         (Sized_relobj::map_to_kept_section): Likewise.
5546         * object.h (Sized_relobj::invalid_address): New constant.
5547         (Sized_relobj::do_output_section_offset): Check for invalid_address
5548         and return -1ULL.
5549         * output.cc (Output_reloc::local_section_offset): Use constant
5550         invalid_address instead of -1U.
5551         (Output_reloc::get_address): Likewise.
5552         (Output_section::output_address): Change -1U to -1ULL.
5553         * output.h (Output_reloc::invalid_address): New constant.
5554         * reloc.cc (Sized_relobj::write_sections): Use constant
5555         invalid_address instead of -1U.
5556         (Sized_relobj::relocate_sections): Likewise.
5557         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5558         values for merge sections.
5559         * target-reloc.h (relocate_for_relocatable): Use constant
5560         invalid_address instead of -1U.
5561
5562 2008-09-19  Cary Coutant  <ccoutant@google.com>
5563
5564         Add plugin functionality for link-time optimization (LTO).
5565         * configure.ac (plugins): Add --enable-plugins option.
5566         * configure: Regenerate.
5567         * config.in: Regenerate.
5568         * Makefile.am (LIBDL): New variable.
5569         (CCFILES): Add plugin.cc.
5570         (HFILES): Add plugin.h.
5571         (ldadd_var): Add LIBDL.
5572         * Makefile.in: Regenerate.
5573
5574         * archive.cc: Include "plugin.h".
5575         (Archive::setup): Don't preread archive symbols when using a plugin.
5576         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5577         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5578         files.
5579         (Archive::include_member): Add symbols from plugin objects.
5580         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5581         * descriptors.cc (Descriptors::open): Check for file descriptors
5582         abandoned by plugins.
5583         (Descriptors::claim_for_plugin): New function.
5584         * descriptors.h (Descriptors::claim_for_plugin): New function.
5585         (Open_descriptor::is_claimed): New field.
5586         (claim_descriptor_for_plugin): New function.
5587         * fileread.cc (File_read::claim_for_plugin): New function.
5588         * fileread.h (File_read::claim_for_plugin): New function.
5589         (File_read::descriptor): New function.
5590         * gold.cc: Include "plugin.h".
5591         (queue_initial_tasks): Add task to call plugin hooks for generating
5592         new object files.
5593         * main.cc: Include "plugin.h".
5594         (main): Load plugin libraries.
5595         * object.h (Pluginobj): Declare.
5596         (Object::pluginobj): New function.
5597         (Object::do_pluginobj): New function.
5598         (Object::set_target): New function.
5599         * options.cc: Include "plugin.h".
5600         (General_options::parse_plugin): New function.
5601         (General_options::General_options): Initialize plugins_ field.
5602         (General_options::add_plugin): New function.
5603         * options.h (Plugin_manager): Declare.
5604         (General_options): Add --plugin option.
5605         (General_options::has_plugins): New function.
5606         (General_options::plugins): New function.
5607         (General_options::add_plugin): New function.
5608         (General_options::plugins_): New field.
5609         * plugin.cc: New file.
5610         * plugin.h: New file.
5611         * readsyms.cc: Include "plugin.h".
5612         (Read_symbols::do_read_symbols): Check for archive before checking
5613         for ELF file.  Call plugin hooks to claim files.
5614         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5615         from a real object file; force override when processing replacement
5616         files.
5617         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5618         (Symbol::init_base_object): Likewise.
5619         (Symbol::init_base_output_data): Likewise.
5620         (Symbol::init_base_output_segment): Likewise.
5621         (Symbol::init_base_constant): Likewise.
5622         (Symbol::init_base_undefined): Likewise.
5623         (Symbol::output_section): Assert that object is not a plugin.
5624         (Symbol_table::add_from_pluginobj): New function.
5625         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5626         undefined.
5627         (Symbol_table::sized_write_globals): Likewise.
5628         (Symbol_table::add_from_pluginobj): Instantiate template.
5629         * symtab.h (Sized_pluginobj): Declare.
5630         (Symbol::in_real_elf): New function.
5631         (Symbol::set_in_real_elf): New function.
5632         (Symbol::in_real_elf_): New field.
5633         (Symbol_table::add_from_pluginobj): New function.
5634
5635         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5636         (LIBDL): New variable.
5637         (LDADD): Add LIBDL.
5638         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5639         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5640         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5641         (MOSTLYCLEANFILES): Likewise.
5642         * testsuite/Makefile.in: Regenerate.
5643         * testsuite/plugin_test.c: New file.
5644         * testsuite/plugin_test_1.sh: New file.
5645         * testsuite/plugin_test_2.sh: New file.
5646
5647 2008-09-16  Ian Lance Taylor  <iant@google.com>
5648
5649         * target-reloc.h (relocate_section): Check whether a symbol is
5650         defined by the ABI before reporting an undefined symbol error.
5651         * target.h (Target::is_defined_by_abi): Make parameter const.
5652         (Target::do_is_defined_by_abi): Likewise.
5653         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5654         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5655         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5656         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5657         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5658         * testsuite/Makefile.in: Rebuild.
5659
5660         * fileread.cc (make_view): Add casts to avoid warning.
5661
5662 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5663
5664         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5665         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5666
5667 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5668
5669         * options.h (General_options::output_is_executable): New.
5670         (General_options::output_is_pie): New.
5671         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5672         for shared libraries.
5673         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5674
5675 2008-09-11  Chris Demetriou  <cgd@google.com>
5676
5677         * options.h (origin): New -z option.
5678         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5679         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5680         in DT_FLAGS_1.
5681
5682 2008-09-05  Cary Coutant  <ccoutant@google.com>
5683
5684         * fileread.cc (File_read::make_view): Add check for attempt to map
5685         beyond end of file.
5686
5687 2008-09-05  Cary Coutant  <ccoutant@google.com>
5688
5689         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5690         explicit instantiations.
5691
5692 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5693
5694         PR gold/6858
5695         * options.cc (General_options::finalize): Allow undefined symbols
5696         in shlibs if linking -shared.
5697
5698         PR gold/6859
5699         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5700         symbols as not needing a dynsym entry.
5701
5702 2008-08-20  Craig Silverstein  <csilvers@google.com>
5703
5704         * fileread.cc (File_read::open): Do not lock the file unless it
5705         was successfully opened.
5706
5707 2008-08-14  Cary Coutant  <ccoutant@google.com>
5708
5709         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5710         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5711         * testsuite/tls_test.cc (struct int128): 128-bit struct
5712         for testing TLS relocs with non-zero addend.
5713         (v12): New TLS variable.
5714         (t12): New test.
5715         (t_last): Add check for v12.
5716         * testsuite/tls_test.h (t12): New function.
5717         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5718
5719 2008-08-13  Ian Lance Taylor  <iant@google.com>
5720
5721         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5722         set tls_segment_ or relro_segment_.
5723         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5724         when appropriate.
5725         * output.h (Output_section::clear_is_relro): New function.
5726         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5727         sections specially even when output_data_ is empty.
5728         (Output_segment::maximum_alignment): When first section is relro,
5729         only force alignment for PT_LOAD segments.
5730         * script.cc (script_data_segment_align): New function.
5731         (script_data_segment_relro_end): New function.
5732         * script-c.h (script_data_segment_align): Declare.
5733         (script_data_segment_relro_end): Declare.
5734         * script-sections.h (class Script_sections): Declare
5735         data_segment_align and data_segment_relro_end.  Add fields
5736         segment_align_index_ and saw_relro_end_.
5737         * script-sections.cc (class Sections_element): Add set_is_relro
5738         virtual function.  Add new bool* parameter to place_orphan_here.
5739         Add get_output_section virtual function.
5740         (class Output_section_definition): Add set_is_relro.  Add new
5741         bool* parameter to place_orphan_here.  Add get_output_section.
5742         Add is_relro_ field.
5743         (Output_section_definition::Output_section_definition): Initialize
5744         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5745         and is_relro_ fields.
5746         (Output_section_definition::place_orphan_here): Add is_relro
5747         parameter.
5748         (Output_section_definition::set_section_addresses): Set relro for
5749         output section.
5750         (Output_section_definition::alternate_constraint): Likewise.
5751         (class Orphan_output_section): Add new bool* parameter to
5752         place_orphan_here.  Add get_output_section.
5753         (Orphan_output_section::place_orphan_here): Add is_relro
5754         parameter.
5755         (Script_sections::Script_sections): Initialize
5756         data_segment_align_index_ and saw_relro_end_.
5757         (Script_sections::data_segment_align): New function.
5758         (Script_sections::data_segment_relro_end): New function.
5759         (Script_sections::place_orphan): Set or clear is_relro.
5760         (Script_sections::set_section_addresses): Force alignment of first
5761         TLS section.
5762         * yyscript.y (exp): Call script_data_segment_align and
5763         script_data_segment_relro_end.
5764         * testsuite/relro_script_test.t: New file.
5765         * testsuite/relro_test.cc (using_script): Declare.
5766         (t1, t2): Test using_script.
5767         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5768         (relro_script_test_SOURCES): Define.
5769         (relro_script_test_DEPENDENCIES): Define.
5770         (relro_script_test_LDFLAGS): Define.
5771         (relro_script_test_LDADD): Define.
5772         (relro_script_test.so): New target.
5773         * testsuite/Makefile.in: Rebuild.
5774
5775 2008-08-06  Cary Coutant <ccoutant@google.com>
5776
5777         * archive.cc (Archive::total_archives, Archive::total_members)
5778         (Archive::total_members_loaded): New variables.
5779         (Archive::setup): Add parameter.  Add option to preread
5780         archive symbols.
5781         (Archive::read_armap): Add counter.
5782         (Archive::get_file_and_offset): New function.
5783         (Archive::get_elf_object_for_member): New function.
5784         (Archive::read_all_symbols): New function.
5785         (Archive::read_symbols): New function.
5786         (Archive::add_symbols): Add counters.
5787         (Archive::include_all_members): Use armap to find members if it's
5788         already built.
5789         (Archive::include_member): Skip reading symbols if already read.
5790         Factored code into Archive::get_file_and_offset and
5791         Archive::get_elf_object_for_member.  Changed call to
5792         Mapfile::report_include_archive_member.
5793         (Archive::print_stats): New function.
5794         * archive.h: Declare Object and Read_symbols_data classes.
5795         (Archive::Archive): Add initializers for new members.
5796         (Archive::setup): Add parameter.
5797         (Archive::print_stats): New function.
5798         (Archive::total_archives, Archive::total_members)
5799         (Archive::total_members_loaded): New variables.
5800         (Archive::get_file_and_offset): New function.
5801         (Archive::get_elf_object_for_member): New function.
5802         (Archive::read_all_symbols): New function.
5803         (Archive::read_symbols): New function.
5804         (Archive::Archive_member): New class.
5805         (Archive::members_): New member.
5806         (Archive::num_members_): New member.
5807         * main.cc: Include archive.h.
5808         (main): Call Archive::print_stats.
5809         * mapfile.cc (Mapfile::report_include_archive_member): Delete
5810         archive parameter; member_name is now the fully-decorated name.
5811         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5812         * options.h: (General_options): Add --preread-archive-symbols option.
5813         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5814         Archive::setup.
5815
5816 2008-08-04  Ian Lance Taylor  <iant@google.com>
5817
5818         * symtab.h (Symbol::use_plt_offset): New function.
5819         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5820         * powerpc.cc (Relocate::relocate): Likewise.
5821         * sparc.cc (Relocate::relocate): Likewise.
5822         * x86_64.cc (Relocate::relocate): Likewise.
5823         * testsuite/weak_plt.sh: New test.
5824         * testsuite/weak_plt_main.cc: New test.
5825         * testsuite/weak_plt_shared.cc: New test.
5826         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5827         (check_PROGRAMS): Add weak_plt.
5828         (check_DATA): Add weak_plt_shared.so.
5829         (weak_plt_main_pic.o, weak_plt): New targets.
5830         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5831         * testsuite/Makefile.in: Rebuild.
5832
5833         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5834         gcctestdir/ld.
5835         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5836         * testsuite/Makefile.in: Rebuild.
5837
5838 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
5839
5840         * Makefile.am (POTFILES.in): Set LC_ALL=C.
5841         * Makefile.in: Regenerate.
5842         * po/POTFILES.in: Regenerate.
5843
5844 2008-07-29  Ian Lance Taylor  <iant@google.com>
5845
5846         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5847         symbols before other symbols.
5848         * testsuite/script_test_2.cc (test_addr): Declare.
5849         (test_addr_alias): Declare.
5850         (main): Check that test_addr and test_addr_alias have the right
5851         values.
5852         * testsuite/script_test_2.t: Define test_addr_alias and
5853         test_addr.
5854
5855 2008-07-24  Ian Lance Taylor  <iant@google.com>
5856
5857         PR 5990
5858         * descriptors.cc: New file.
5859         * descriptors.h: New file.
5860         * gold-threads.h (class Hold_optional_lock): New class.
5861         * fileread.cc: Include "descriptors.h".
5862         (File_read::~File_read): Release descriptor rather than closing
5863         it.
5864         (File_read::open) [file]: Call open_descriptor rather than open.
5865         Set is_descriptor_opened_.
5866         (File_read::open) [memory]: Assert that descriptor is not open.
5867         (File_read::reopen_descriptor): New function.
5868         (File_read::release): Release descriptor.
5869         (File_read::do_read): Make non-const.  Reopen descriptor.
5870         (File_read::read): Make non-const.
5871         (File_read::make_view): Reopen descriptor.
5872         (File_read::do_readv): Likewise.
5873         * fileread.h (class File_read): Add is_descriptor_opened_ field.
5874         Update declarations.
5875         * layout.cc: Include "descriptors.h".
5876         (Layout::create_build_id): Use open_descriptor rather than open.
5877         * output.cc: Include "descriptors.h".
5878         (Output_file::open): Use open_descriptor rather than open.
5879         * archive.cc (Archive::const_iterator): Change Archive to be
5880         non-const.
5881         (Archive::begin, Archive::end): Make non-const.
5882         (Archive::count_members): Likewise.
5883         * archive.h (class Archive): Update declarations.
5884         * object.h (Object::read): Make non-const.
5885         * Makefile.am (CCFILES): Add descriptors.cc.
5886         (HFILES): Add descriptors.h.
5887         * Makefile.in: Rebuild.
5888
5889         PR 6716
5890         * gold.h: Always include <clocale>.  Add Solaris workarounds
5891         following code in binutils/sysdep.h.
5892
5893         PR 6048
5894         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5895         this->eh_frame_hdr_ is NULL before using it.
5896
5897         * dynobj.cc (Versions::Versions): Update comment.
5898
5899         * dynobj.cc (Versions::Versions): If there is an soname, use it as
5900         the base version name.
5901
5902         * stringpool.cc (Stringpool_template::add_with_length): Set key to
5903         array size plus one.
5904         (Stringpool_template::set_string_offsets): Subtract one from key
5905         before using it as an array index.
5906         (Stringpool_template::get_offset_with_length): Likewise.
5907         (Stringpool_template::write_to_buffer): Likewise.
5908         * stringpool.h (Stringpool_template::get_offset_from_key):
5909         Likewise.
5910
5911 2008-07-23  Ian Lance Taylor  <iant@google.com>
5912
5913         PR 6658
5914         * object.h (Merged_symbol_value::value): Do our best to handle a
5915         negative addend.
5916
5917         PR 6647
5918         * script.cc (Version_script_info::get_versions): Don't add empty
5919         version tag to return value.
5920         (Version_script_info::get_symbol_version_helper): Change return
5921         type to bool.  Add pversion parameter.  Change all callers.
5922         (script_register_vers_node): Don't require a non-NULL tag.
5923         * script.h (class Version_script_info): Update declarations.
5924         (Version_script_info::get_symbol_version): Change return type to
5925         bool.  Add version parameter.  Change all callers.
5926         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5927         handling.  Handle an empty version from a version script.
5928         (Symbol_table::define_special_symbol): Likewise.
5929         * testsuite/ver_test_10.script: New file.
5930         * testsuite/ver_test_10.sh: New file.
5931         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5932         (check_DATA): Add ver_test_10.syms.
5933         (ver_test_10.syms, ver_test_10.so): New target.
5934         * testsuite/Makefile.in: Rebuild.
5935
5936 2008-07-23  Simon Baldwin  <simonb@google.com>
5937
5938         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5939         to zero for undefined symbols from dynamic libraries.
5940
5941 2008-07-23  Ian Lance Taylor  <iant@google.com>
5942
5943         * symtab.cc (Symbol_table::resolve): Remove version parameter.
5944         Change all callers.
5945         * symtab.h (class Symbol_table): Update declaration.
5946         * testsuite/ver_test_9.cc: New file.
5947         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5948         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5949         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5950         (ver_test_9.so, ver_test_9.o): New targets.
5951         * testsuite/Makefile.in: Rebuild.
5952
5953 2008-07-22  Ian Lance Taylor  <iant@google.com>
5954
5955         * options.h (class General_options): Define --check-sections.
5956         * layout.cc (Layout::set_segment_offsets): Handle
5957         --check-sections.
5958
5959         * options.h (class General_options): Define -n/--nmagic and
5960         -N/--omagic.
5961         * options.cc (General_options::finalize): For -n/--nmagic or
5962         -N/--omagic, set -static.
5963         * layout.cc (Layout::attach_allocated_section_to_segment): If
5964         -N/--omagic, don't put read-only and read-write sections in
5965         different segments.
5966         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5967         finding a read-only segment.
5968         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5969         don't set the minimum segment alignment to the common page size,
5970         and don't set the file offset to the address modulo the page size.
5971         * script-sections.cc (Script_sections::create_segments): If
5972         -n/--omagic, don't put read-only and read-write sections in
5973         different segments.
5974
5975         * cref.cc: New file.
5976         * cref.h: New file.
5977         * options.h (class General_options): Add --print-symbol-counts.
5978         * main.cc (main): Issue defined symbol report if requested.
5979         * archive.cc (Archive::interpret_header): Make into a const member
5980         function.
5981         (Archive::add_symbols): Call Input_objects::archive_start and
5982         archive_stop.
5983         (Archive::const_iterator): Define new class.
5984         (Archive::begin, Archive::end): New functions.
5985         (Archive::include_all_members): Rewrite to use iterator.
5986         (Archive::count_members): New function.
5987         * archive.h (class Archive): Update declarations.
5988         (Archive::filename): New function.
5989         * object.cc: Include "cref.h".
5990         (Sized_relobj::Sized_relobj): Initialize defined_count_.
5991         (Sized_relobj::do_get_global_symbol_counts): New function.
5992         (Input_objects::add_object): Add object to cross-referencer.
5993         (Input_objects::archive_start): New function.
5994         (Input_objects::archive_stop): New function.
5995         (Input_objects::print_symbol_counts): New function.
5996         * object.h: Declare Cref and Archive.
5997         (Object::get_global_symbol_counts): New function.
5998         (Object::do_get_global_symbol_counts): New pure virtual function.
5999         (class Sized_relobj): Add defined_count_ field.  Update
6000         declarations.
6001         (class Input_objects): Add cref_ field.  Update constructor.
6002         Update declarations.
6003         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6004         defined_count_.
6005         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6006         symbol counts.
6007         (Sized_dynobj::do_get_global_symbol_counts): New function.
6008         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6009         defined_count_.  Update declarations.  Define Symbols typedef.
6010         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6011         parameter.  Change all callers.
6012         (Symbol_table::add_from_dynobj): Add sympointers and defined
6013         parameters.  Change all callers.
6014         * symtab.h (class Symbol_table): Update declarations.
6015         * Makefile.am (CCFILES): Add cref.cc.
6016         (HFILES): Add cref.h.
6017         * Makefile.in: Rebuild.
6018
6019 2008-07-22  Simon Baldwin  <simonb@google.com>
6020
6021         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6022         to zero when writing undefined symbols.
6023
6024 2008-07-22  Ian Lance Taylor  <iant@google.com>
6025
6026         * output.cc (Output_section::add_input_section): Don't try to
6027         merge empty merge sections.
6028
6029 2008-07-21  Craig Silverstein  <csilvers@google.com>
6030
6031         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6032         Include symbol version in error message.
6033
6034 2008-07-20  Chris Demetriou  <cgd@google.com>
6035
6036         * configure.ac (gold_cv_c_random_seed): New configured variable.
6037         (RANDOM_SEED_CFLAGS): New substituted variable.
6038         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6039         * configure: Rebuild.
6040         * Makefile.in: Likewise.
6041         * testsuite/Makefile.in: Likewise.
6042
6043 2008-07-18  Ian Lance Taylor  <iant@google.com>
6044
6045         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6046         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6047         * testsuite/ver_test_main.cc (main): Call t4.
6048         (t4, t4_2a): Define.
6049         * testsuite/ver_test_2.cc (t4_2): Define.
6050         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6051         * testsuite/ver_test_4.cc (t4_2a): Define.
6052         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6053         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6054
6055 2008-07-17  Ian Lance Taylor  <iant@google.com>
6056
6057         * dynobj.cc (Versions::add_def): If we give an error about a
6058         missing version, go ahead and create the version anyhow.
6059
6060 2008-07-10  Ian Lance Taylor  <iant@google.com>
6061
6062         Handle output sections with more than 0x7fffffff bytes.
6063         * object.h (class Relobj): Change map_to_output_ to
6064         output_sections_, and just keep a section pointer.  Change all
6065         uses.  Move comdat group support to Sized_relobj.
6066         (Relobj::is_section_specially_mapped): Remove.
6067         (Relobj::output_section): Remove poff parameter.  Change all
6068         callers.
6069         (Relobj::output_section_offset): New function.
6070         (Relobj::set_section_offset): Rewrite.
6071         (Relobj::map_to_output): Remove.
6072         (Relobj::output_sections): New function.
6073         (Relobj::do_output_section_offset): New pure virtual function.
6074         (Relobj::do_set_section_offset): Likewise.
6075         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6076         group support from Relobj.  Update declarations.
6077         (Sized_relobj::get_output_section_offset): New function.
6078         (Sized_relobj::do_output_section_offset): New function.
6079         (Sized_relobj::do_set_section_offset): New function.
6080         * object.cc (Relobj::output_section_address): Remove.
6081         (Sized_relobj::Sized_relobj): Initialize new fields.
6082         (Sized_relobj::include_section_group): Cast find_kept_object to
6083         Sized_relobj.
6084         (Sized_relobj::include_linkonce_section): Likewise.
6085         (Sized_relobj::do_layout): Use separate arrays for output section
6086         and output offset.
6087         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6088         output_sections.
6089         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6090         output_sections and section_offsets.
6091         (Sized_relobj::write_local_symbols): Likewise.
6092         (map_to_kept_section): Compute output address directly.
6093         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6094         output_sections and section_offsets.
6095         (Sized_relobj::write_sections): Likewise.
6096         (Sized_relobj::relocate_sections): Likewise.
6097         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6098         * output.h (class Output_reloc): Update declarations.  Change
6099         u2_.relobj to Sized_relobj*.
6100         (class Output_data_reloc): Change add functions to use
6101         Sized_relobj*.
6102         * output.cc (Output_reloc::Output_reloc): Change relobj to
6103         Sized_relobj*.
6104         (Output_reloc::local_section_offset): Change return type to
6105         Elf_Addr.  Use get_output_section_offset.
6106         (Output_reloc::get_address): Likewise.
6107         (Output_section::is_input_address_mapped): Don't call
6108         is_section_specially_mapped.
6109         (Output_section::output_offset): Likewise.
6110         (Output_section::output_address): Likewise.
6111         (Output_section::starting_output_address): Likewise.
6112         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6113         parameter to Sized_relobj*.
6114         (Copy_relocs::need_copy_reloc): Likewise.
6115         (Copy_relocs::save): Likewise.
6116         * copy-relocs.h (class Copy_relocs): Update declarations.
6117         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6118         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6119         * target-reloc.h (relocate_for_relocatable): Change
6120         offset_in_output_section type to Elf_Addr.  Change code that uses
6121         it as well.
6122         * layout.cc (Layout::layout): Always set *off.
6123         * mapfile.cc (Mapfile::print_input_section): Use
6124         output_section_offset.
6125         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6126         Sized_relobj*.
6127         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6128         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6129         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6130
6131 2008-07-03  Ian Lance Taylor  <iant@google.com>
6132
6133         * layout.cc (Layout::include_section): Do not discard unrecognized
6134         SHT_STRTAB sections.
6135
6136 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6137
6138         * script.cc (Lex::can_continue_name): Make '?' allowable in
6139         version-script names.
6140         * testsuite/version_script.map: Change glob pattern to use '?'
6141
6142 2008-06-30  Manish Singh  <yosh@gimp.org>
6143
6144         PR 6585
6145         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6146         Correct typo.
6147
6148 2008-06-30  Ian Lance Taylor  <iant@google.com>
6149
6150         PR 6660
6151         PR 6682
6152         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6153         versions]: Don't try to read the value in the contents, since we
6154         don't use it.  Use the template endianness when writing.
6155
6156 2008-06-25  Cary Coutant  <ccoutant@google.com>
6157
6158         * fileread.cc (File_read::make_view): Assert on zero-length view.
6159         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6160         symbol table when there are no symbols to read.
6161
6162 2008-06-23  Craig Silverstein  <csilvers@google.com>
6163
6164         * version.cc (version_string): Bump to 1.7
6165
6166 2008-06-18  Craig Silverstein  <csilvers@google.com>
6167
6168         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6169         constant 0xFFFF to type Valtype.
6170         (Powerpc_relocate_functions::rel16_ha): Likewise.
6171
6172 2008-06-17  Ian Lance Taylor  <iant@google.com>
6173
6174         * output.h (Output_section::Input_section): Initialize p2align_ to
6175         zero for Output_section_data constructors.
6176         (Output_section::Input_section::addralign): If not an input
6177         section, return the alignment of the Output_section_data.
6178         * testsuite/copy_test.cc: New file.
6179         * testsuite/copy_test_1.cc: New file.
6180         * testsuite/copy_test_2.cc: New file.
6181         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6182         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6183         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6184         (copy_test_1_pic.o, copy_test_1.so): New targets.
6185         (copy_test_2_pic.o, copy_test_2.so): New targets.
6186         * testsuite/Makefile.in: Rebuild.
6187
6188         * script-sections.cc (Script_sections::place_orphan): Initialize
6189         local variable exact.
6190
6191 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6192
6193         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6194
6195 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6196             David S. Miller  <davem@davemloft.net>
6197
6198         * powerpc.cc: New file.
6199         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6200         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6201         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6202         * Makefile.in: Rebuild.
6203
6204 2008-06-09  Ian Lance Taylor  <iant@google.com>
6205
6206         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6207         <exception>.
6208         (throwing, orig_terminate): New static variables.
6209         (terminate_handler): New static function.
6210         (t2): Set terminate handler.
6211
6212 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6213
6214         PR 6584
6215         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6216         alignment.
6217
6218 2008-05-30  Cary Coutant  <ccoutant@google.com>
6219
6220         * archive.cc (Archive::include_all_members) Correct to step
6221         over symbol table and extended name table in thin archives.
6222
6223 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6224
6225         PR 6407
6226         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6227         calculation.
6228
6229 2008-05-28  Caleb Howe  <cshowe@google.com>
6230
6231         * reduced_debug_output.cc: New file.
6232         * reduced_debug_output.h: New file.
6233         * options.h (class General_options): Add --strip-debug-non-line.
6234         * options.cc (General_options::finalize): Add strip_debug_non_line
6235         to the strip heirarchy.
6236         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6237         fields.
6238         * layout.cc: Include "reduced_debug_output.h".
6239         (Layout::Layout): Initialize new fields.
6240         (line_only_debug_sections): New static array.
6241         (is_lines_only_debug_sections): New static inline function.
6242         (Layout::include_section): Handle --strip-debug-non-line.
6243         (Layout::make_output_section): If --strip-debug-non-line, build
6244         new output sections for .debug_abbrev and .debug_info.
6245         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6246         gold.  Warn about possible overflow.
6247         (read_signed_LEB_128): Likewise.
6248         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6249         (read_signed_LEB_128): Declare.
6250         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6251         (HFILES): Add reduced_debug_output.h.
6252         * Makefile.in: Rebuild.
6253
6254 2008-05-21  Ian Lance Taylor  <iant@google.com>
6255
6256         * mapfile.cc: New file.
6257         * mapfile.h: New file.
6258         * options.h (class General_options): Add -M/--print-map and -Map.
6259         * options.cc (General_options::finalize): Make -M equivalent to
6260         -Map -.
6261         * main.cc: Include <cstdio> and "mapfile.h".
6262         (main): Open mapfile if requested.
6263         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6264         constructor.  Change caller.
6265         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6266         (queue_middle_tasks): Likewise.
6267         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6268         declarations.
6269         * archive.cc: Include "mapfile.h".
6270         (Archive::add_symbols): Add mapfile parameter.  Change all
6271         callers.  Pass mapfile, symbol, and reason to include_member.
6272         (Archive::include_all_members): Add mapfile parameter.  Change all
6273         callers.
6274         (Archive::include_member): Add mapfile, sym, and why parameters.
6275         Change all callers.  Report inclusion to map file.
6276         * archive.h: Include "fileread.h".
6277         (class Archive): Update declarations.
6278         (Archive::file): New const method.
6279         (class Add_archive_symbols): Add mapfile_ field.  Update
6280         constructor.  Change all callers.
6281         * readsyms.h (class Read_symbols): Likewise.
6282         (class Finish_group): Likewise.
6283         (class Read_script): Likewise.
6284         * common.cc: Include "mapfile.h".
6285         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6286         all callers.
6287         (Symbol_table::do_allocate_commons): Likewise.
6288         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6289         symbol allocation to mapfile.
6290         * common.h (class Allocate_commons_task): Add mapfile_ field.
6291         Update constructor.  Change all callers.
6292         * symtab.h (class Symbol_table): Update declarations.
6293         * layout.cc: Include "mapfile.h".
6294         (Layout_task_runner::run): Print information to mapfile.
6295         (Layout::create_gold_note): Change Output_data_fixed_space to
6296         Output_data_zero_fill.
6297         (Layout::create_build_id): Likewise.
6298         (Layout::print_to_mapfile): New function.
6299         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6300         constructor.  Change caller.
6301         (class Layout): Declare print_to_mapfile.
6302         * output.cc (Output_section::Input_section::print_to_mapfile): New
6303         function.
6304         (Output_section::add_input_section): If producing a map, always
6305         add to input_sections_ list.
6306         (Output_section::do_print_to_mapfile): New function.
6307         (Output_segment::print_sections_to_mapfile): New function.
6308         (Output_segment::print_section_list_to_mapfile): New function.
6309         * output.h: Include "mapfile.h".
6310         (Output_data::print_to_mapfile): New function.
6311         (Output_data::do_print_to_mapfile): New virtual function.
6312         (Output_segment_headers::do_print_to_mapfile): New function.
6313         (Output_file_header::do_print_to_mapfile): New function.
6314         (Output_data_const::do_print_to_mapfile): New function.
6315         (class Output_data_const_buffer): Add map_name_ field.  Update
6316         constructor.  Change all callers.  Add do_print_to_mapfile
6317         function.
6318         (class Output_data_fixed_space): Likewise.
6319         (class Output_data_space): Likewise.
6320         (class Output_data_zero_fill): New class.
6321         (Output_data_strtab::do_print_to_mapfile): New function.
6322         (Output_data_reloc_base::do_print_to_mapfile): New function.
6323         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6324         (Output_data_group::do_print_to_mapfile): New function.
6325         (Output_data_got::do_print_to_mapfile): New function.
6326         (Output_data_dynamic::do_print_to_mapfile): New function.
6327         (Output_symtab_xindex::do_print_to_mapfile): New function.
6328         (class Output_section): Declare do_print_to_mapflie.  Declare
6329         print_to_mapfile in Input_section.
6330         (class Output_segment): Declare new functions.
6331         * object.h (Sized_relobj::symbol_count): New function.
6332         * script-sections.cc
6333         (Output_section_element_dot_assignment::set_section_addresses):
6334         Change Output_data_fixed_space to Output_data_zero_fill.
6335         (Output_data_expression::do_print_to_mapfile): New function.
6336         * script.cc (read_input_script): Add mapfile parameter.  Change
6337         all callers.
6338         * script.h (read_input_script): Update declaration.
6339         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6340         (Eh_frame::do_print_to_mapfile): New function.
6341         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6342         (Output_merge_string::do_print_to_mapfile): New function.
6343         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6344         function.
6345         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6346         function.
6347         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6348         function.
6349         * Makefile.am (CCFILES): Add mapfile.cc.
6350         (HFILES): Add mapfile.h.
6351         * Makefile.in: Rebuild.
6352
6353 2008-05-19  Ian Lance Taylor  <iant@google.com>
6354
6355         * options.h (class General_options): Add -z relro.
6356         * layout.cc (Layout::Layout): Initialize relro_segment_.
6357         (Layout::add_output_section_data): Return the output section.
6358         (Layout::make_output_section): Rcognize relro sections and mark
6359         them appropriately.
6360         (Layout::attach_allocated_section_to_segment): Put relro sections
6361         in a PT_GNU_RELRO segment.
6362         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6363         section as relro.
6364         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6365         PT_TLS segments.
6366         (Layout::linkonce_mapping): Map d.rel.ro.local to
6367         .data.rel.ro.local.
6368         (Layout::output_section_name): Us .data.rel.ro.local for any
6369         section which begins with that.
6370         * layout.h (class Layout): Update add_output_section_data
6371         declaration.  Add relro_segment_ field.
6372         * output.cc (Output_section::Output_section): Initialize is_relro_
6373         and is_relro_local_ fields.
6374         (Output_segment::add_output_section): Group relro sections.
6375         (Output_segment::is_first_section_relro): New function.
6376         (Output_segment::maximum_alignment): If there is a relro section,
6377         align the segment to the common page size.
6378         (Output_segment::set_section_addresses): Track whether we are
6379         looking at relro sections.  If the last section is a relro
6380         section, align to the common page size.
6381         (Output_segment::set_section_list_addresses): Add in_relro
6382         parameter.  Change all callers.  Align to the page size when
6383         moving from relro to non-relro section.
6384         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6385         segment.
6386         * output.h (class Output_section): Add is_relro_ and
6387         is_relro_local_ fields.
6388         (Output_section::is_relro): New function.
6389         (Output_section::set_is_relro): New function.
6390         (Output_section::is_relro_local): New function.
6391         (Output_section::set_is_relro_local): New function.
6392         (class Output_segment): Update declarations.
6393         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6394         * sparc.cc (Target_sparc::got_section): Likewise.
6395         * x86_64.cc (Target_x86_64::got_section): Likewise.
6396         * testsuite/relro_test_main.cc: New file.
6397         * testsuite/relro_test.cc: New file.
6398         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6399         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6400         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6401         (relro_test.so, relro_test_pic.o): New targets.
6402         * testsuite/Makefile.in: Rebuild.
6403
6404 2008-05-16  Ian Lance Taylor  <iant@google.com>
6405
6406         * output.cc (Output_segment::add_output_section): Remove front
6407         parameter.
6408         * output.h (class Output_segment): Remove
6409         add_initial_output_section and overloaded add_output_section.
6410         Update declaration of remaining add_output_section.
6411         * layout.cc (Layout::create_interp): Call add_output_section
6412         rather than add_initial_output_section.
6413         (Layout::finish_dynamic_section): Likewise.
6414
6415         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6416         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6417         know the dynamic type.
6418         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6419         field.  Initialize it in constructor.
6420         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6421         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6422         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6423         reloc.
6424
6425         * output.cc (Output_reloc::get_address): Change return type to
6426         Elf_Addr.
6427         * output.h (class Output_reloc): Update get_address declaration.
6428         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6429         for section addresses.
6430
6431 2008-05-09  Ian Lance Taylor  <iant@google.com>
6432
6433         PR 6493
6434         * gold.cc (gold_nomem): Use return value of write.
6435
6436 2008-05-08  Ian Lance Taylor  <iant@google.com>
6437
6438         * symtab.c (Symbol::init_base_output_data): Add version
6439         parameter.  Change all callers.
6440         (Symbol::init_base_output_segment): Likewise.
6441         (Symbol::init_base_constant): Likewise.
6442         (Symbol::init_base_undefined): Likewise.
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): Likewise.
6447         (Symbol_table::do_define_in_output_data): If the new symbol has a
6448         version, mark it as the default.
6449         (Symbol_table::do_define_in_output_segment): Likewise.
6450         (Symbol_table::do_define_as_constant): Likewise.
6451         * symtab.h (class Symbol): Update declarations.
6452         (class Sized_symbol): Likewise.
6453         * resolve.cc (Symbol::override_version): New function.
6454         (Symbol::override_base): Call override_version.
6455         (Symbol::override_base_with_special): Likewise.
6456         * testsuite/ver_script_8.script: New file.
6457         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6458         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6459         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6460         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6461
6462 2008-05-06  Ian Lance Taylor  <iant@google.com>
6463
6464         PR 6049
6465         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6466         functions.
6467         (class General_options): Remove existing --undefined, and add
6468         --no-undefined instead.  Add new --undefined as synonym for -u.
6469         * archive.cc (Archive::add_symbols): Check whether symbol was
6470         named with -u.
6471         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6472         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6473         all uses.  Add IS_UNDEFINED.  Update declarations to split
6474         different versions of init_base.  Declare init_base_undefined.
6475         (Symbol::is_defined): Handle IS_UNDEFINED.
6476         (Symbol::is_undefined): Likewise.
6477         (Symbol::is_weak_undefined): Call is_undefined.
6478         (Symbol::is_absolute): Handle IS_CONSTANT.
6479         (class Sized_symbol): Update declarations to split different
6480         versions of init.  Declare init_undefined.
6481         (class Symbol_table): Declare new functions.
6482         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6483         Change all callers.
6484         (Symbol::init_base_output_data): Likewise.
6485         (Symbol::init_base_output_segment): Likewise.
6486         (Symbol::init_base_constant): Likewise.
6487         (Symbol::init_base_undefined): New function.
6488         (Sized_symbol::init_object): Rename from init.  Change all
6489         callers.
6490         (Sized_symbol::init_output_data): Likewise.
6491         (Sized_symbol::init_output_segment): Likewise.
6492         (Sized_symbol::init_constant): Likewise.
6493         (Sized_symbol::init_undefined): New function.
6494         (Symbol_table::add_undefined_symbols_from_command_line): New
6495         function.
6496         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6497         function.
6498         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6499         (Symbol::output_section): Likewise.
6500         (Symbol::set_output_section): Likewise.
6501         (Symbol_table::sized_finalize_symbol): Likewise.
6502         (Symbol_table::sized_write_globals): Likewise.
6503         * resolve.cc (Symbol_table::should_override): Likewise.
6504         (Symbol::override_base_with_special): Likewise.
6505
6506         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6507         symbol, change it to have default visibility.
6508         * testsuite/protected_1.cc: New file.
6509         * testsuite/protected_2.cc: New file.
6510         * testsuite/protected_3.cc: New file.
6511         * testsuite/protected_main_1.cc: New file.
6512         * testsuite/protected_main_2.cc: New file.
6513         * testsuite/protected_main_3.cc: New file.
6514         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6515         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6516         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6517         (protected_1.so): New target.
6518         (protected_1_pic.o, protected_2_pic.o): New targets.
6519         (protected_3_pic.o): New target.
6520         (check_PROGRAMS): Add protected_2.
6521         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6522         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6523         * testsuite/Makefile.in: Rebuild.
6524
6525         * options.h (DEFINE_var): Add set_user_set_##varname__.
6526         (DEFINE_bool_alias): New macro.
6527         (class General_options): Define -Bstatic using DEFINE_bool_alias
6528         rather than DEFINE_special.  Add --undefined as an alias for -z
6529         defs.
6530         * options.cc (General_options::parse_Bstatic): Remove.
6531
6532         * options.h (class General_options): Add --fatal-warnings.
6533         * main.cc (main): Implement --fatal-warnings.
6534         * errors.h (Errors::warning_count): New function.
6535
6536         * options.h (class General_options): Add -Bsymbolic-functions.
6537         * symtab.h (Symbol::is_preemptible): Check for
6538         -Bsymbolic-functions.
6539
6540 2008-05-05  Ian Lance Taylor  <iant@google.com>
6541
6542         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6543         as noVARNAME rather than no-VARNAME.
6544         (class General_options): Add option -z combreloc.
6545         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6546         get_address.
6547         (Output_reloc::sort_before) [SHT_REL]: New function.
6548         (Output_reloc::sort_before) [SHT_RELA]: New function.
6549         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6550         Sort_relocs_comparison.
6551         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6552         parameter.  Change all callers.
6553         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6554         sort_relocs parameter.  Change all callers.
6555         * output.cc (Output_reloc::get_address): New function, broken out
6556         of write_rel.
6557         (Output_reloc::write_rel): Call it.
6558         (Output_reloc::compare): New function.
6559         (Output_data_reloc_base::do_write): Optionally sort relocs.
6560
6561         * configure.ac: If targ_extra_obj is set, link it in.
6562         * configure.tgt: Initialize all variables.
6563         (x86_64*): Set targ_extra_obj and targ_extra_size.
6564         * configure: Rebuild.
6565
6566         * object.cc (Sized_relobj::include_section_group): Adjust section
6567         indexes read from group data.  Build vector to pass to
6568         layout_group.
6569         * layout.cc (Layout::layout_group): Add flags and shndxes
6570         parameters.  Remove contents parameter.  Change caller.  Update
6571         explicit instantiations.
6572         * layout.h (class Layout): Update layout_group declaration.
6573         * output.cc (Output_data_group::Output_data_group): Add flags and
6574         input_shndxes parameters.  Remove contents parameter.  Change
6575         caller.
6576         (Output_data_group::do_write): Change input_sections_ to
6577         input_shndxes_.
6578         * output.h (class Output_data_group): Update constructor
6579         declaration.  Rename input_sections_ to input_shndxes_.
6580         * testsuite/many_sections_test.cc: Add template.
6581
6582 2008-04-30  Cary Coutant  <ccoutant@google.com>
6583
6584         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6585
6586         * layout.cc (Layout::include_section): Refactored check for debug
6587         info section.
6588         (Layout::add_comdat): Add new parameters.  Change type
6589         of signature parameter.  Add object and shndx to signatures table.
6590         (Layout::find_kept_object): New function.
6591         * layout.h: Include <cstring>.
6592         (Layout::is_debug_info_section): New function.
6593         (Layout::add_comdat): Add new parameters.
6594         (Layout::find_kept_object): New function.
6595         (Layout::Kept_section): New struct.
6596         (Layout::Signatures): Change type of map range.
6597         * object.cc (Relobj::output_section_address): New function.
6598         (Sized_relobj::include_section_group): Add new parameters.  Change
6599         calls to Layout::add_comdat.  Change to build table of kept comdat
6600         groups and table mapping discarded sections to kept sections.
6601         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6602         (Sized_relobj::do_layout): Change calls to include_section_group and
6603         include_linkonce_section.
6604         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6605         value to zero when section is discarded.
6606         (Sized_relobj::map_to_kept_section): New function.
6607         * object.h (Relobj::output_section_address): New function.
6608         (Relobj::Comdat_group): New type.
6609         (Relobj::find_comdat_group): New function.
6610         (Relobj::Comdat_group_table): New type.
6611         (Relobj::Kept_comdat_section): New type.
6612         (Relobj::Kept_comdat_section_table): New type.
6613         (Relobj::add_comdat_group): New function.
6614         (Relobj::set_kept_comdat_section): New function.
6615         (Relobj::get_kept_comdat_section): New function.
6616         (Relobj::comdat_groups_): New field.
6617         (Relobj::kept_comdat_sections_): New field.
6618         (Symbol_value::input_value): Update comment.
6619         (Sized_relobj::map_to_kept_section) New function.
6620         (Sized_relobj::include_linkonce_section): Add new parameter.
6621         * target-reloc.h (Comdat_behavior): New type.
6622         (get_comdat_behavior): New function.
6623         (relocate_section): Add code to map a discarded section to the
6624         corresponding kept section when applying a relocation.
6625
6626 2008-04-30  Craig Silverstein  <csilvers@google.com>
6627
6628         * dwarf_reader.cc (next_generation_count): New static var.
6629         (Addr2line_cache_entry): New struct.
6630         (addr2line_cache): New static var.
6631         (Dwarf_line_info::one_addr2line): Added caching.
6632         (Dwarf_line_info::clear_addr2line_cache): New function.
6633         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6634         cache-size parameter.
6635         (Dwarf_line_info::one_addr2line_cache): New function.
6636         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6637         new cache-size argument to one_addr2line(), and clear cache.
6638
6639 2008-04-28  Cary Coutant  <ccoutant@google.com>
6640
6641         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6642         R_386_PC8 relocations.
6643
6644 2008-04-23  Ian Lance Taylor  <iant@google.com>
6645
6646         * object.cc (Sized_relobj::include_section_group): Check for
6647         invalid section group.
6648
6649         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6650         header size.
6651
6652         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6653         than read for file header.
6654         * archive.cc (Archive::include_member): Likewise.
6655
6656 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6657
6658         * aclocal.m4: Regenerate.
6659         * configure: Regenerate.
6660
6661 2008-04-19  Ian Lance Taylor  <iant@google.com>
6662
6663         * version.cc (version_string): Bump to 1.6.
6664
6665         * testsuite/Makefile.am (many_sections_r_test): New target.
6666         (many_sections_r_test_SOURCES): Remove.
6667         (many_sections_r_test_DEPENDENCIES): Remove.
6668         (many_sections_r_test_LDFLAGS): Remove.
6669         (many_sections_r_test_LDADD): Remove.
6670
6671         * object.cc (Sized_relobj::do_add_symbols): Always pass
6672         local_symbol_count_ to add_from_relobj.
6673
6674         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6675         every thousand variables.
6676         * testsuite/Makefile.in: Rebuild.
6677
6678         * object.cc (Xindex::initialize_symtab_xindex): New function.
6679         (Xindex::read_symtab_xindex): New function.
6680         (Xindex::sym_xindex_to_shndx): New function.
6681         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6682         available.
6683         (Sized_relobj::do_initialize_xindex): New function.
6684         (Sized_relobj::do_read_symbols): Adjust section links.
6685         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6686         parameter.  Change all callers.
6687         (Sized_relobj::include_section_group): Adjust section links and
6688         symbol section indexes.
6689         (Sized_relobj::do_layout): Adjust section links.
6690         (Sized_relobj::do_count_local_symbols): Adjust section links and
6691         symbol section indexes.
6692         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6693         ordinary and special symbols.
6694         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6695         dynsym_xindex parameters.  Change all callers.  Adjust section
6696         links.  Use SHN_XINDEX when needed.
6697         (Sized_relobj::get_symbol_location_info): Adjust section links.
6698         Don't get fooled by special symbols.
6699         * object.h (class Xindex): Define.
6700         (class Object): Add xindex_ parameter.  Declare virtual functoin
6701         do_initialize_xindex.
6702         (Object::adjust_sym_shndx): New function.
6703         (Object::set_xindex): New protected function.
6704         (class Symbol_value): Add is_ordinary_shndx_ field.
6705         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6706         (Symbol_value::value): Assert ordinary section.
6707         (Symbol_value::initialize_input_to_output_map): Likewise.
6708         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6709         Change all callers.
6710         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6711         all callers.
6712         (class Sized_relobj): Update declarations.
6713         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6714         parameter.  Change all callers.
6715         (Sized_relobj::adjust_shndx): New function.
6716         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6717         field.
6718         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6719         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6720         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6721         (Sized_dynobj::read_dynsym_section): Adjust section links.
6722         (Sized_dynobj::read_dynamic): Likewise.
6723         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6724         section links.
6725         (Sized_dynobj::do_initialize_xindex): New function.
6726         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6727         do_initialize_xindex.
6728         (Sized_dynobj::adjust_shndx): New function.
6729         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6730         dynsym_xindex_ fields.
6731         (Layout::finalize): Add a call to set_section_indexes before
6732         creating the symtab sections.
6733         (Layout::set_section_indexes): Don't do anything if the section
6734         already has a section index.
6735         (Layout::create_symtab_sections): Add shnum parameter.  Change
6736         caller.  Create .symtab_shndx section if needed.
6737         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6738         caller.
6739         (Layout::allocated_output_section_count): New function.
6740         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6741         needed.
6742         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6743         fields.  Update declarations.
6744         (Layout::symtab_xindex): New function.
6745         (Layout::dynsym_xindex): New function.
6746         (class Write_symbols_task): Add layout_ field.
6747         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6748         Change caller.
6749         * output.cc (Output_section_headers::Output_section_headers): Add
6750         shstrtab_section parameter.  Change all callers.
6751         (Output_section_headers::do_sized_write): Store overflow values
6752         for section count and section string table section index in
6753         section header zero.
6754         (Output_file_header::do_sized_write): Check for overflow of
6755         section count and section string table section index.
6756         (Output_symtab_xindex::do_write): New function.
6757         (Output_symtab_xindex::endian_do_write): New function.
6758         * output.h (class Output_section_headers): Add shstrtab_section_.
6759         Update declarations.
6760         (class Output_symtab_xindex): Define.
6761         (Output_section::has_out_shndx): New function.
6762         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6763         field.
6764         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6765         Change all callers.
6766         (Sized_symbol::init): Likewise.
6767         (Symbol::output_section): Check for ordinary symbol.
6768         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
6769         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
6770         callers.
6771         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6772         Change all callers.  Simplify handling of symbols from sections
6773         not included in the link.
6774         (Symbol_table::add_from_dynobj): Handle ordinary symbol
6775         distinction.
6776         (Weak_alias_sorter::operator()): Assert that symbols are
6777         ordinary.
6778         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6779         distinction.
6780         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6781         parameters.  Change all callers.
6782         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
6783         symbol distinction.  Use SHN_XINDEX when needed.
6784         (Symbol_table::write_section_symbol): Add symtab_xindex
6785         parameter.  Change all callers.
6786         (Symbol_table::sized_write_section_symbol): Likewise.  Use
6787         SHN_XINDEX when needed.
6788         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
6789         declarations.
6790         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
6791         (Symbol::is_defined): Check is_ordinary.
6792         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6793         (Symbol::is_absolute, Symbol::is_common): Likewise.
6794         (class Sized_symbol): Update declarations.
6795         (class Symbol_table): Update declarations.
6796         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6797         parameters.  Change all callers.
6798         (Sized_symbol::override): Likewise.
6799         (Symbol_table::override): Likewise.
6800         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
6801         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
6802         is_ordinary, and orig_st_shndx parameters.  Change all callers.
6803         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6804         to be in an ordinary section.
6805         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6806         object and is_ordinary parameters.  Change all callers.
6807         (Sized_dwarf_line_info::read_relocs): Add object parameter.
6808         Change all callers.  Don't add undefined or non-ordinary symbols
6809         to reloc_map_.
6810         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6811         Change all callers.
6812         * dwarf_reader.h (class Sized_dwarf_line_info): Update
6813         declarations.
6814         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6815         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6816         (Sized_relobj::relocate_sections): Likewise.
6817         * target-reloc.h (scan_relocs): Adjust section symbol index.
6818         (scan_relocatable_relocs): Likewise.
6819         * i386.cc (Scan::local): Check for ordinary symbols.
6820         * sparc.cc (Scan::local): Likewise.
6821         * x86_64.cc (Scan::local): Likewise.
6822         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6823         to symbol_section_and_value.
6824         * testsuite/many_sections_test.cc: New file.
6825         * testsuite/Makefile.am (BUILT_SOURCES): Define.
6826         (check_PROGRAMS): Add many_sections_test.
6827         (many_sections_test_SOURCES): Define.
6828         (many_sections_test_DEPENDENCIES): Define.
6829         (many_sections_test_LDFLAGS): Define.
6830         (BUILT_SOURCES): Add many_sections_define.h.
6831         (many_sections_define.h): New target.
6832         (BUILT_SOURCES): Add many_sections_check.h.
6833         (many_sections_check.h): New target.
6834         (check_PROGRAMS): Add many_sections_r_test.
6835         (many_sections_r_test_SOURCES): Define.
6836         (many_sections_r_test_DEPENDENCIES): Define.
6837         (many_sections_r_test_LDFLAGS): Define.
6838         (many_sections_r_test_LDADD): Define.
6839         (many_sections_r_test.o): New target.
6840         * testsuite/Makefile.in: Rebuild.
6841
6842 2008-04-17  Cary Coutant  <ccoutant@google.com>
6843
6844         * errors.cc (Errors::info): New function.
6845         (gold_info): New function.
6846         * errors.h (Errors::info): New function.
6847         * gold.h (gold_info): New function.
6848         * object.cc (Input_objects::add_object): Print trace output.
6849         * options.cc (options::parse_set): New function.
6850         (General_options::parse_wrap): Deleted.
6851         (General_options::General_options): Deleted initializer.
6852         * options.h (options::String_set): New typedef.
6853         (options::parse_set): New function.
6854         (DEFINE_set): New macro.
6855         (General_options::wrap): Changed to use DEFINE_set. Changed
6856         callers of any_wrap_symbols and is_wrap_symbol.
6857         (General_options::trace, General_options::trace_symbol):
6858         New options.
6859         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6860         (General_options::wrap_symbols_): Deleted.
6861         * symtab.cc (Symbol_table::add_from_object): Print trace output.
6862
6863 2008-04-17  David S. Miller  <davem@davemloft.net>
6864
6865         * options.cc (General_options::parse_V): New function.
6866         * options.h: Add entries for -V and -Qy.
6867
6868 2008-04-17  Ian Lance Taylor  <iant@google.com>
6869
6870         * common.cc (Symbol_table::allocate_commons): Remove options
6871         parameter.  Change caller.
6872         (Symbol_table::do_allocate_commons): Remove options parameter.
6873         Change caller.  Just call do_allocate_commons_list twice.
6874         (Symbol_table::do_allocate_commons_list): New function, broken out
6875         of do_allocate_commons.
6876         * common.h (class Allocate_commons_task): Remove options_ field.
6877         Update constructor.
6878         * symtab.cc (Symbol_table::Symbol_table): Initialize
6879         tls_commons_.
6880         (Symbol_table::add_from_object): Put TLS common symbols on
6881         tls_commons_ list.
6882         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6883         which are IN_OUTPUT_DATA.
6884         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
6885         allocate_commons and do_allocate_commons declarations.  Declare
6886         do_allocate_commons_list.
6887         * gold.cc (queue_middle_tasks): Update creation of
6888         Allocate_commons_task to not pass options.
6889         * testsuite/Makefile.am (INCLUDES): Add -I.. .
6890         (TLS_TEST_C_FLAGS): New variable.
6891         (tls_test_c_pic.o): New target.
6892         (tls_test_shared.so): Link in tls_test_c_pic.o.
6893         (tls_test_c_pic_ie.o): New target.
6894         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6895         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6896         (tls_test_c.o): New target.
6897         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6898         (tls_pic_test_LDADD): Likewise.
6899         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6900         (tls_shared_gd_to_ie_test_LDADD): Likewise.
6901         (tls_test_c_gnu2.o): New target.
6902         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6903         tls_test_c_gnu2.o.
6904         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6905         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6906         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6907         * testsuite/tls_test.cc: Include "config.h".
6908         (t_last): Call t11_last.
6909         * testsuite/tls_test.h (t11, t11_last): Declare.
6910         * testsuite/tls_test_c.c: New file.
6911         * testsuite/tls_test_main.cc (thread_routine): Call t11.
6912         * configure.ac: Check for OpenMP support.
6913         * configure, config.in, Makefile.in: Rebuild.
6914         * testsuite/Makefile.in: Rebuild.
6915
6916 2008-04-16  Cary Coutant  <ccoutant@google.com>
6917
6918         * i386.cc (Target_i386::define_tls_base_symbol): New function.
6919         (Target_i386::tls_base_symbol_defined_): New field.
6920         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6921         (Target_i386::Scan::global): Likewise.
6922         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6923         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6924         (Target_x86_64::tls_base_symbol_defined_): New field.
6925         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6926         (Target_x86_64::Scan::global): Likewise.
6927
6928 2008-04-16  Cary Coutant  <ccoutant@google.com>
6929
6930         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6931         (Symbol::needs_plt_entry): Allow weak undefined symbols.
6932         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6933         building shared libraries.
6934         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6935         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6936         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6937         * testsuite/Makefile.in: Rebuild.
6938         * testsuite/weak_undef.h: New file.
6939         * testsuite/weak_undef_file1.cc: Add extra test cases.
6940         * testsuite/weak_undef_file2.cc: Likewise.
6941         * testsuite/weak_undef_test.cc: Likewise.
6942
6943 2008-04-16  David S. Miller  <davem@davemloft.net>
6944
6945         * sparc.cc (Target_sparc::Scan): Change from struct to class.
6946         Add issued_non_pic_error_ field.  Declare check_non_pic.
6947         (Target_sparc::Scan::check_non_pic): New function.
6948         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6949         (Target_sparc::Scan::global): Likewise.
6950
6951         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6952         * configure: Rebuild.
6953
6954         * options.h (DEFINE_enable): New macro.
6955         (new_dtags): New enable option.
6956         (initfirst, interpose, loadfltr, nodefaultlib,
6957         nodelete, nodlopen, nodump): New -z options.
6958         * layout.cc (Layout:finish_dynamic_section): If new
6959         dtags enabled, emit DT_RUNPATH.  Also, emit a
6960         DT_FLAGS_1 containing any specified -z flags.
6961
6962 2008-04-16  Ian Lance Taylor  <iant@google.com>
6963
6964         * copy-relocs.cc: New file.
6965         * copy-relocs.h: New file.
6966         * reloc.cc: Remove Copy_relocs code.
6967         * reloc.h: Likewise.
6968         * reloc-types.h (struct Reloc_types) [both versions]: Add
6969         get_reloc_addend_noerror.
6970         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6971         variants of add_global which take an addend which must be zero.
6972         * i386.cc: Include "copy-relocs.h".
6973         (class Target_i386): Change type of copy_relocs_ to variable,
6974         update initializer.
6975         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6976         Change all callers.
6977         (Target_i386::do_finalize_sections): Change handling of
6978         copy_relocs_.
6979         * sparc.cc: Include "copy-relocs.h".
6980         (class Target_sparc): Change type of copy_relocs_ to variable,
6981         update initializer.
6982         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6983         Change all callers.
6984         (Target_sparc::do_finalize_sections): Change handling of
6985         copy_relocs_.
6986         * x86_64.cc: Include "copy-relocs.h".
6987         (class Target_x86_64): Change type of copy_relocs_ to variable,
6988         update initializer.
6989         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6990         class.  Change all callers.
6991         (Target_x86_64::do_finalize_sections): Change handling of
6992         copy_relocs_.
6993         * Makefile.am (CCFILES): Add copy-relocs.cc.
6994         (HFILES): Add copy-relocs.h.
6995
6996         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6997
6998         * testsuite/script_test_4.sh: Permit leading zeroes.
6999
7000 2008-04-15  Ian Lance Taylor  <iant@google.com>
7001
7002         * script-sections.cc (Script_sections::create_segments): Use
7003         header_size_adjustment even when there is enough room for the
7004         headers.
7005         * testsuite/script_test_4.sh: New file.
7006         * testsuite/script_test_4.t: New file.
7007         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7008         (check_DATA): Add script_test_4.stdout.
7009         (MOSTLYCLEANFILES): Likewise.
7010         (script_test_4): New target.
7011         (script_test_4.stdout): New target.
7012         * testsuite/Makefile.in: Rebuild.
7013
7014         * sparc.cc: Add definitions for Output_data_plt_sparc class
7015         constants.
7016
7017 2008-04-14  David S. Miller  <davem@davemloft.net>
7018
7019         * sparc.cc: New file.
7020         * Makefile.am (TARGETSOURCES): Add sparc.cc
7021         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7022         * configure.tgt: Document targ_extra_size and
7023         targ_extra_big_endian.  Add entries for sparc-* and
7024         sparc64-*.
7025         * configure.ac: Handle targ_extra_size and
7026         targ_extra_big_endian.
7027         * Makefile.in: Rebuild.
7028         * configure: Likewise.
7029         * po/POTFILES.in: Likewise.
7030         * po/gold.pot: Likewise.
7031
7032 2008-04-14  Ian Lance Taylor  <iant@google.com>
7033
7034         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7035         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7036         in the name/type/flags to section mapping.  Don't call
7037         allocate_output_section.
7038         (Layout::choose_output_section): Change parameter from adjust_name
7039         to is_input_section.  Don't permit input sections after sections
7040         are attached to segments.  Don't call allocate_output_section.
7041         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7042         not write_enable_output_section.
7043         (Layout::make_output_section): Don't push to
7044         unattached_section_list_ nor call attach_to_segment.  Call
7045         attach_section_to_segment if sections are attached.
7046         (Layout::attach_sections_to_segments): New function.
7047         (Layout::attach_section_to_segment): New function.
7048         (Layout::attach_allocated_section_to_segment): Rename from
7049         attach_to_segment.  Remove flags parameter.
7050         (Layout::allocate_output_section): Remove function.
7051         (Layout::write_enable_output_section): Remove function.
7052         * layout.h (class Layout): Update for above changes.  Add new
7053         field sections_are_attached_.
7054         * output.h (Output_section::update_flags_for_input_section): New
7055         function.
7056         * output.cc (Output_section::add_input_section): Call
7057         update_flags_for_input_section.
7058         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7059
7060 2008-04-11  Cary Coutant  <ccoutant@google.com>
7061
7062         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7063         thought unnecessary.
7064         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7065
7066 2008-04-11  Ian Lance Taylor  <iant@google.com>
7067
7068         * output.h (class Output_section_data): Remove inline definition
7069         of set_addralign.
7070         * output.cc (Output_section_data::set_addralign): New function.
7071
7072 2008-04-11  Cary Coutant  <ccoutant@google.com>
7073
7074         Add support for TLS descriptors for i386 and x86_64.
7075         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7076         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7077         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7078         GOT_TYPE_TLS_DESC.
7079         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7080         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7081         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7082         relocations.
7083         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7084         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7085         Fix problem with initial-exec relocations.
7086         (Target_i386::Relocate::relocate_tls): Likewise.
7087         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7088         relaxation.
7089         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7090         support for section-plus-offset dynamic table entries.
7091         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7092         (Output_data_dynamic::Dynamic_entry): Add support for
7093         section-plus-offset dynamic table entries.
7094         (Output_data_dynamic::Classification): Likewise.
7095         (Output_data_dynamic::classification_): Renamed offset_.
7096         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7097         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7098         (Target_x86_64::make_plt_section): New function.
7099         (Target_x86_64::reserve_tlsdesc_entries): New function.
7100         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7101         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7102         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7103         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7104         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7105         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7106         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7107         add extra PLT entry for TLS descriptors.
7108         (Output_data_plt_x86_64::got_): New field.
7109         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7110         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7111         fields.
7112         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7113         descriptors.
7114         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7115         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7116         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7117         R_386_TLS_DESC_CALL relocations.
7118         (Target_x86_64::Scan::global): Likewise.
7119         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7120         for TLS descriptors.
7121         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7122         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7123         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7124         GD-to-IE relaxation.
7125         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7126         and TLS_DESCRIPTORS.
7127         * Makefile.in: Rebuild.
7128         * configure: Rebuild.
7129         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7130         (tls_test_shared2.so): New target.
7131         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7132         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7133         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7134         (tls_shared_gd_to_ie_test_LDADD): New variable.
7135         (tls_shared_gnu2_gd_to_ie_test): New target.
7136         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7137         New targets.
7138         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7139         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7140         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7141         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7142         (tls_shared_gnu2_test): New target.
7143         (tls_test_gnu2_shared.so): New target.
7144         (tls_shared_gnu2_test_SOURCES): New variable.
7145         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7146         (tls_shared_gnu2_test_LDFLAGS): New variable.
7147         (tls_shared_gnu2_test_LDADD): New variable.
7148         * testsuite/Makefile.in: Rebuild.
7149         * testsuite/Makefile.
7150
7151 2008-04-11  Ian Lance Taylor  <iant@google.com>
7152
7153         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7154         justsyms.t.
7155         * testsuite/Makefile.in: Rebuild.
7156
7157         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7158         long.
7159         * testsuite/script_test_2.cc (main): Adjust test.
7160
7161 2008-04-11  David S. Miller  <davem@davemloft.net>
7162             Ian Lance Taylor  <iant@google.com>
7163
7164         * options.h (General_options): Add entries for '-Y' and
7165         '-relax'.
7166         * options.cc (General_options:finalize): If -Y was used, add those
7167         entries to the library path instead of the default "/lib" and
7168         "/usr/lib".
7169
7170 2008-04-11  David S. Miller  <davem@davemloft.net>
7171
7172         * testsuite/justsyms.t: Start at 0x100.
7173         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7174         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7175         long.
7176         * testsuite/script_test_2.cc: Adjust string and section length
7177         checks.
7178
7179 2008-04-09  Ian Lance Taylor  <iant@google.com>
7180
7181         PR gold/5996
7182         * script-sections.cc (Sections_element::allocate_to_segment): Add
7183         orphan parameter.
7184         (Output_section_definition::allocate_to_segment): Likewise.
7185         (Orphan_output_section::allocate_to_segment): Likewise.
7186         (Script_sections::attach_sections_using_phdrs_clause): Don't
7187         propagate non-PT_LOAD segments to orphan sections.
7188         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7189         readelf rather than objdump.
7190         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7191         .interp section and PT_INTERP segment are the same size.
7192         * testsuite/Makefile.in: Rebuild.
7193
7194         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7195         aliases for symbols defined in the same object.
7196         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7197         (weak_alias_test_SOURCES): New variable.
7198         (weak_alias_test_DEPENDENCIES): New variable.
7199         (weak_alias_test_LDFLAGS): New variable.
7200         (weak_alias_test_LDADD): New variable.
7201         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7202         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7203         (weak_alias_test_3.o): New target.
7204         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7205         * testsuite/weak_alias_test_main.cc: New file.
7206         * testsuite/weak_alias_test_1.cc: New file.
7207         * testsuite/weak_alias_test_2.cc: New file.
7208         * testsuite/weak_alias_test_3.cc: New file.
7209
7210 2008-04-08  Ian Lance Taylor  <iant@google.com>
7211
7212         * options.h (class General_options): Add --noinhibit-exec option.
7213         * main.cc (main): Check --noinhibit-exec.
7214
7215         * options.h (class General_options): Define --wrap as a special
7216         option.  Add wrap_symbols_ field.
7217         (General_options::any_wrap_symbols): New function.
7218         (General_options::is_wrap_symbol): New function.
7219         * options.cc (General_options::parse_wrap): New function.
7220         (General_options::General_options): Initialize wrap_symbols_.
7221         * symtab.cc (Symbol_table::wrap_symbol): New function.
7222         (Symbol_table::add_from_object): Handle --wrap.
7223         * symtab.h (class Symbol_table): Declare wrap_symbol.
7224         * target.h (Target::wrap_char): New function.
7225         (Target::Target_info): Add wrap_char field.
7226         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7227         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7228         * testsuite/testfile.cc (Target_test::test_target_info):
7229         Likewise.
7230
7231         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7232         there is one.
7233
7234         * layout.h (class Layout): Add added_eh_frame_data_ field.
7235         * layout.cc (Layout::Layout): Initialize new field.
7236         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7237         output section until we find a section we merged successfully.
7238         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7239         that the size be non-zero.
7240
7241         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7242         qualifier.
7243
7244 2008-04-08  Craig Silverstein  <csilvers@google.com>
7245
7246         * configure.ac: Export new conditional variable HAVE_ZLIB.
7247         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7248         on HAVE_ZLIB.
7249         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7250         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7251
7252 2008-04-07  Ian Lance Taylor  <iant@google.com>
7253
7254         * version.cc (version_string): Set to "1.5".
7255
7256         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7257         Add issued_non_pic_error_ field.  Declare check_non_pic.
7258         (Target_x86_64::Scan::check_non_pic): New function.
7259         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7260         (Target_x86_64::Scan::global): Likewise.
7261
7262         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7263         addend parameter.  Change caller.  Handle merge sections.
7264         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7265         Address to Addend.  Don't add in the result of
7266         local_section_offset, pass down the addend and use the returned
7267         value.
7268         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7269         Update declarations of local_section_offset and symbol_value.
7270         * testsuite/two_file_test_1.cc (t18): New function.
7271         * testsuite/two_file_test_2.cc (f18): New function.
7272         * testsuite/two_file_test_main.cc (main): Call t18.
7273         * testsuite/two_file_test.h (t18, f18): Declare.
7274
7275         * configure.ac: Don't test for objdump, c++filt, or readelf.
7276         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7277         conditionals.
7278         (TEST_READELF): New variable.
7279         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7280         (check_PROGRAMS): Add two_file_strip_test.
7281         (two_file_strip_test): New target.
7282         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7283         (two_file_same_shared_strip_test_SOURCES): New variable.
7284         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7285         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7286         (two_file_same_shared_strip_test_LDADD): New variable.
7287         (two_file_shared_strip.so): New target.
7288         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7289         (ver_test_5.syms, ver_test_7.syms): Likewise.
7290         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7291         (strip_test_3.stdout): Use TEST_OBJDUMP.
7292         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7293
7294 2008-04-04  Cary Coutant  <ccoutant@google.com>
7295
7296         * symtab.h (Symbol::is_weak_undefined): New function.
7297         (Symbol::is_strong_undefined): New function.
7298         (Symbol::is_absolute): New function.
7299         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7300         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7301         absolute symbols.
7302         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7303         (weak_undef_test): New target.
7304         * testsuite/Makefile.in: Rebuild.
7305         * testsuite/weak_undef_file1.cc: New file.
7306         * testsuite/weak_undef_file2.cc: New file.
7307         * testsuite/weak_undef_test.cc: New file.
7308
7309 2008-04-03  Craig Silverstein  <csilvers@google.com>
7310
7311         * compressed_output.h (class Output_compressed_section): Use
7312         unsigned buffer.
7313         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7314         add zlib header.
7315         (zlib_compressed_suffix): Removed.
7316         (Output_compressed_section::set_final_data_size): Use unsigned
7317         buffers.
7318         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7319         Fix linker invocation.
7320         (flagstest_o_specialfile_and_compress_debug_sections):
7321         Likewise.
7322         * testsuite/Makefile.in: Regenerated.
7323
7324 2008-04-02  David S. Miller  <davem@davemloft.net>
7325
7326         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7327         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7328
7329 2008-04-02  Craig Silverstein  <csilvers@google.com>
7330
7331         * TODO: New file.
7332
7333 2008-04-02  Ian Lance Taylor  <iant@google.com>
7334
7335         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7336         parameters.  Update for new key type to views_.  Change all
7337         callers.
7338         (File_read::read): Adjust for byteshift in returned view.
7339         (File_read::add_view): New function, broken out of
7340         find_and_make_view.
7341         (File_read::make_view): New function, broken out of
7342         find_and_make_view.
7343         (File_read::find_or_make_view): Add offset and aligned
7344         parameters.  Rewrite accordingly.  Change all callers.
7345         (File_read::get_view): Add offset and aligned parameters.  Adjust
7346         for byteshift in return value.
7347         (File_read::get_lasting_view): Likewise.
7348         * fileread.h (class File_read): Update declarations.
7349         (class File_read::View): Add byteshift_ field.  Add byteshift to
7350         constructor.  Add byteshift method.
7351         * archive.h (Archive::clear_uncached_views): New function.
7352         (Archive::get_view): Add aligned parameter.  Change all callers.
7353         * object.h (Object::get_view): Add aligned parameter.  Change all
7354         callers.
7355         (Object::get_lasting_view): Likewise.
7356
7357         * fileread.cc (File_read::release): Don't call clear_views if
7358         there are multiple objects.
7359         * fileread.h (File_read::clear_uncached_views): New function.
7360         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7361         on the archive.
7362
7363 2008-03-31  Cary Coutant  <ccoutant@google.com>
7364
7365         Add thin archive support.
7366         * archive.cc (Archive::armagt): New const.
7367         (Archive::setup): Remove task parameter and calls to unlock.
7368         (Archive::unlock_nested_archives): New function.
7369         (Archive::read_header): Add nested_off parameter. Change
7370         all callers.
7371         (Archive::interpret_header): Likewise.
7372         (Archive::include_all_members): Change to handle thin
7373         archives.
7374         (Archive::include_member): Likewise.
7375         * archive.h (Archive::Archive): Add new parameters and
7376         initializers.
7377         (Archive::armagt): New const.
7378         (Archive::setup): Remove task parameter.
7379         (Archive::unlock_nested_archives): New function.
7380         (Archive::read_header): Add nested_off parameter.
7381         (Archive::interpret_header): Likewise.
7382         (Archive::Nested_archive_table): New typedef.
7383         (Archive::is_thin_archive_): New field.
7384         (Archive::nested_archives_): New field.
7385         (Archive::options_): New field.
7386         (Archive::dirpath_): New field.
7387         (Archive::task_): New field.
7388         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7389         for thin archives.  Pass additional parameters to
7390         Archive::Archive.  Unlock the archive file after calling
7391         Archive::setup.
7392
7393 2008-03-29  Ian Lance Taylor  <iant@google.com>
7394
7395         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7396         version symbol to be local.
7397         * testsuite/ver_test_4.sh: New file.
7398         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7399         (check_DATA): Add ver_test_4.syms.
7400         (ver_test_4.syms): New target.
7401         * testsuite/Makefile.in: Rebuild.
7402
7403         * output.cc
7404         (Output_section::Input_section_sort_entry::has_priority): New
7405         function.
7406         (Output_section::Input_section_sort_entry::match_file_name): New
7407         function.
7408         (Output_section::Input_section_sort_entry::match_section_name):
7409         Remove.
7410         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7411         Remove.
7412         (Output_section::Input_section_sort_entry::match_section_file):
7413         Remove.
7414         (Output_section::Input_section_sort_compare::operator()): Rewrite
7415         using new Input_section_sort_entry functions.  Sort crtbegin and
7416         crtend first.  Sort sections with no priority before sections with
7417         a priority.
7418         * testsuite/initpri1.c (d3): Check j != 4.
7419         (cd5): New constructor/destructor function.
7420         (main): Check j != 2.
7421
7422         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7423         new symbol when resolving, don't call set_is_default.
7424         * testsuite/ver_test_7.cc: New file.
7425         * testsuite/ver_test_7.sh: New file.
7426         * testsuite/Makefile.am (ver_test_7.so): New target.
7427         (ver_test_7.o): New target.
7428         (check_SCRIPTS): Add ver_test_7.sh.
7429         (check_DATA): Add ver_test_7.syms.
7430         (ver_test_7.syms): New target.
7431
7432 2008-03-28  Ian Lance Taylor  <iant@google.com>
7433
7434         * layout.cc (Layout::layout): If we see an input section with a
7435         name that needs sorting, set the must_sort flag for the output
7436         section.
7437         (Layout::make_output_section): If the name of the output section
7438         indicates that it might require sorting, set the may_sort flag.
7439         * output.h (Output_section::may_sort_attached_input_sections): New
7440         function.
7441         (Output_section::set_may_sort_attached_input_sections): New
7442         function.
7443         (Output_section::must_sort_attached_input_sections): New
7444         function.
7445         (Output_section::set_must_sort_attached_input_sections): New
7446         function.
7447         (class Output_section): Declare Input_section_sort_entry.  Define
7448         Input_section_sort_compare.  Declare
7449         sort_attached_input_sections.  Add new fields:
7450         may_sort_attached_input_sections_,
7451         must_sort_attached_input_sections_,
7452         attached_input_sections_are_sorted_.
7453         * output.cc (Output_section::Output_section): Initialize new
7454         fields.
7455         (Output_section::add_input_section): Add an entry to
7456         input_sections_ if may_sort or must_sort are true.
7457         (Output_section::set_final_data_size): Call
7458         sort_attached_input_sections if necessary.
7459         (Output_section::Input_section_sort_entry): Define new class.
7460         (Output_section::Input_section_sort_compare::operator()): New
7461         function.
7462         (Output_section::sort_attached_input_sections): New function.
7463         * configure.ac: Check whether the compiler supports constructor
7464         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7465         * testsuite/initpri1.c: New file.
7466         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7467         CONSTRUCTOR_PRIORITY.
7468         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7469         (initpri1_LDFLAGS): New variable.
7470         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7471
7472 2008-03-27  Ian Lance Taylor  <iant@google.com>
7473
7474         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7475         * testsuite/common_test_1.c: New file.
7476         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7477         (common_test_1_SOURCES): New variable.
7478         (common_test_1_DEPENDENCIES): New variable.
7479         (common_test_1_LDFLAGS): New variable.
7480
7481         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7482         and commons_ correctly when NAME/VERSION does not override
7483         NAME/NULL.
7484         * testsuite/ver_test_6.c: New file.
7485         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7486         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7487         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7488
7489 2008-03-26  Ian Lance Taylor  <iant@google.com>
7490
7491         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7492         of an undefined symbol from a version script.
7493         * testsuite/Makefile.am (ver_test_5.so): New target.
7494         (ver_test_5.o): New target.
7495         (check_SCRIPTS): Add ver_test_5.sh.
7496         (check_DATA): Add ver_test_5.syms.
7497         (ver_test_5.syms): New target.
7498         * testsuite/ver_test_5.cc: New file.
7499         * testsuite/ver_test_5.script: New file.
7500         * testsuite/ver_test_5.sh: New file.
7501         * Makefile.in, testsuite/Makefile.in: Rebuild.
7502
7503         PR gold/5986
7504         Fix problems building gold with gcc 4.3.0.
7505         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7506         (gold_error_at_location, gold_warning_at_location): Use it.
7507         * configure.ac: Check whether we can compile and use a template
7508         function with a printf attribute.
7509         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7510         when jumping over bytes.
7511         * object.cc: Instantiate Object::read_section_data.
7512         * debug.h: Include <cstring>
7513         * dwarf_reader.cc: Include <algorithm>
7514         * main.cc: Include <cstring>.
7515         * options.cc: Include <cstring>.
7516         * output.cc: Include <cstring>.
7517         * script.cc: Include <cstring>.
7518         * script.h: Include <string>.
7519         * symtab.cc: Include <cstring> and <algorithm>.
7520         * target-select.cc: Include <cstring>.
7521         * version.cc: Include <string>.
7522         * testsuite/testmain.cc: Include <cstdlib>.
7523         * configure, config.in: Rebuild.
7524
7525 2008-03-25  Ian Lance Taylor  <iant@google.com>
7526
7527         * options.cc: Include "../bfd/bfdver.h".
7528         (options::help): Print bug reporting address.
7529
7530         * version.cc (print_version): Adjust output for current value of
7531         BFD_VERSION_STRING.
7532
7533         * NEWS: New file.
7534
7535         * options.cc (options::help): Print list of supported targets.
7536         * target-select.h: Include <vector>.
7537         (class Target_selector): Make machine_, size_, and is_big_endian_
7538         fields const.  Add bfd_name_ and instantiated_target_ fields.
7539         (Target_selector::Target_selector): Add bfd_name parameter.
7540         (Target_selector::recognize): Make non-virtual, call
7541         do_recognize.
7542         (Target_selector::recognize_by_name): Make non-virtual, call
7543         do_recognize_by_name.
7544         (Target_selector::supported_names): New function.
7545         (Target_selector::bfd_name): New function.
7546         (Target_selector::do_instantiate_target): New pure virtual
7547         function.
7548         (Target_selector::do_recognize): New virtual function.
7549         (Target_selector::do_recognize_by_name): New virtual function.
7550         (Target_selector::instantiate_target): New private function.
7551         (supported_target_names): Declare.
7552         * target-select.cc (Target_selector::Target_selector): Update for
7553         new parameter and fields.
7554         (select_target_by_name): Check that the name matches before
7555         calling recognize_by_name.
7556         (supported_target_names): New function.
7557         * i386.cc (class Target_selector_i386): Update Target_selector
7558         constructor call.  Remove recognize and recognize_by_name.  Add
7559         do_instantiate_target.
7560         * x86_64.cc (class Target_selector_x86_64): Likewise.
7561         * testsuite/testfile.cc (class Target_selector_test): Update for
7562         changes to Target_selector.
7563
7564         * README: Rewrite, with some notes on unsupported features.
7565
7566 2008-03-24  Cary Coutant  <ccoutant@google.com>
7567
7568         * i386.cc (Target_i386::Got_type): New enum declaration.
7569         (Target_i386::Scan::local): Updated callers of Output_data_got
7570         member functions.
7571         (Target_i386::Scan::global): Likewise.
7572         (Target_i386::Relocate::relocate): Likewise.
7573         (Target_i386::Relocate::relocate_tls): Likewise.
7574         * object.h (Got_offset_list): New class.
7575         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7576         (Sized_relobj::local_got_offset): Likewise.
7577         (Sized_relobj::set_local_got_offset): Likewise.
7578         (Sized_relobj::local_has_tls_got_offset): Removed.
7579         (Sized_relobj::local_tls_got_offset): Removed.
7580         (Sized_relobj::set_local_tls_got_offset): Removed.
7581         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7582         * output.cc (Output_data_got::add_global): Added got_type parameter.
7583         (Output_data_got::add_global_with_rel): Likewise.
7584         (Output_data_got::add_global_with_rela): Likewise.
7585         (Output_data_got::add_global_pair_with_rel): New function.
7586         (Output_data_got::add_global_pair_with_rela): New function.
7587         (Output_data_got::add_local): Added got_type parameter.
7588         (Output_data_got::add_local_with_rel): Likewise.
7589         (Output_data_got::add_local_with_rela): Likewise.
7590         (Output_data_got::add_local_pair_with_rel): New function.
7591         (Output_data_got::add_local_pair_with_rela): New function.
7592         (Output_data_got::add_global_tls): Removed.
7593         (Output_data_got::add_global_tls_with_rel): Removed.
7594         (Output_data_got::add_global_tls_with_rela): Removed.
7595         (Output_data_got::add_local_tls): Removed.
7596         (Output_data_got::add_local_tls_with_rel): Removed.
7597         (Output_data_got::add_local_tls_with_rela): Removed.
7598         * output.h (Output_data_got::add_global): Added got_type parameter.
7599         (Output_data_got::add_global_with_rel): Likewise.
7600         (Output_data_got::add_global_with_rela): Likewise.
7601         (Output_data_got::add_global_pair_with_rel): New function.
7602         (Output_data_got::add_global_pair_with_rela): New function.
7603         (Output_data_got::add_local): Added got_type parameter.
7604         (Output_data_got::add_local_with_rel): Likewise.
7605         (Output_data_got::add_local_with_rela): Likewise.
7606         (Output_data_got::add_local_pair_with_rel): New function.
7607         (Output_data_got::add_local_pair_with_rela): New function.
7608         (Output_data_got::add_global_tls): Removed.
7609         (Output_data_got::add_global_tls_with_rel): Removed.
7610         (Output_data_got::add_global_tls_with_rela): Removed.
7611         (Output_data_got::add_local_tls): Removed.
7612         (Output_data_got::add_local_tls_with_rel): Removed.
7613         (Output_data_got::add_local_tls_with_rela): Removed.
7614         * resolve.cc (Symbol::override_base_with_special): Removed
7615         reference to has_got_offset_ field.
7616         * symtab.cc (Symbol::init_fields): Replaced initialization
7617         of got_offset_ with got_offsets_.  Removed initialization
7618         of has_got_offset_
7619         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7620         (Symbol::got_offset): Likewise.
7621         (Symbol::set_got_offset): Likewise.
7622         (Symbol::has_tls_got_offset): Removed.
7623         (Symbol::tls_got_offset): Removed.
7624         (Symbol::set_tls_got_offset): Removed.
7625         (Symbol::got_offset_): Removed.
7626         (Symbol::tls_mod_got_offset_): Removed.
7627         (Symbol::tls_pair_got_offset_): Removed.
7628         (Symbol::got_offsets_): New field.
7629         (Symbol::has_got_offset): Removed.
7630         (Symbol::has_tls_mod_got_offset): Removed.
7631         (Symbol::has_tls_pair_got_offset): Removed.
7632         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7633         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7634         member functions.
7635         (Target_x86_64::Scan::global): Likewise.
7636         (Target_x86_64::Relocate::relocate): Likewise.
7637         (Target_x86_64::Relocate::relocate_tls): Likewise.
7638
7639 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7640
7641         * yyscript.y: Fix spelling error in comment.
7642
7643 2008-03-24  Ian Lance Taylor  <iant@google.com>
7644
7645         * options.h (class General_options): Define build_id option.
7646         * layout.h (class Layout): Declare write_build_id, create_note,
7647         create_build_id.  Add build_id_note_ member.
7648         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7649         "libiberty.h", "md5.h", "sha1.h".
7650         (Layout::Layout): Initialize eh_frame_data_,
7651         eh_frame_hdr_section_, and build_id_note_.
7652         (Layout::finalize): Call create_build_id.
7653         (Layout::create_note): New function, broken out of
7654         Layout::create_gold_note.
7655         (Layout::create_gold_note): Call create_note.
7656         (Layout::create_build_id): New function.
7657         (Layout::write_build_id): New function.
7658         (Close_task_runner::run): Call write_build_id.
7659
7660         * x86_64.cc: Correct license to GPLv3.
7661
7662 2008-03-23  Ian Lance Taylor  <iant@google.com>
7663
7664         * options.cc: Include "demangle.h".
7665         (parse_optional_string): New function.
7666         (parse_long_option): Handle takes_optional_argument.
7667         (parse_short_option): Update dash_z initializer.  Handle
7668         takes_optional_argument.
7669         (General_options::General_options): Initialize do_demangle_.
7670         (General_options::finalize): Set do_demangle_.  Handle demangling
7671         style.
7672         * options.h (parse_optional_string): Declare.
7673         (struct One_option): Add optional_arg field.  Update constructor.
7674         Update call constructor calls.  Add takes_optional_argument
7675         function.
7676         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7677         (DEFINE_optional_string): Define.
7678         (General_options::demangle): Change from DEFINE_bool to
7679         DEFINE_optional_string.
7680         (General_options::no_demangle): New function.
7681         (General_options::do_demangle): New function.
7682         (General_options::set_do_demangle): New function.
7683         (General_options::execstack_status_): Move definition to end of
7684         class definition.
7685         (General_options::static_): Likewise.
7686         (General_options::do_demangle_): New field.
7687         * object.cc (big_endian>::get_symbol_location_info): Call
7688         Options::do_demangle, not Options::demangle.
7689         * symtab.cc (demangle): Likewise.
7690
7691 2008-03-22  Ian Lance Taylor  <iant@google.com>
7692
7693         * gold.h: Include <cstddef> and <sys/types.h>
7694         * options.h: Include <cstring>.
7695
7696 2008-03-21  Ian Lance Taylor  <iant@google.com>
7697
7698         * Added source code to GNU binutils.