Properly install gold/ld as default cross linker.
[external/binutils.git] / gold / ChangeLog
1 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2
3         * Makefile.am (install-exec-local): Properly install gold as
4         default cross linker.
5         * Makefile.in: Regenerated.
6
7 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
8             Nick Clifton  <nickc@redhat.com>
9
10         * configure.ac (install_as_default): Define and set to false
11         unless --enable-gold or --enable-gold=both/gold has been
12         specified.
13         * configure: Regenerate.
14
15         * Makefile.am (install-exec-local): Install the executable as
16         'ld.gold'.  If install_as_default is true then also install it as
17         'ld'.
18         * Makefile.in: Regenerated.
19
20 2010-04-24  Ian Lance Taylor  <iant@google.com>
21
22         * layout.cc (Layout::layout_reloc): In relocatable link don't
23         combine reloc sections for grouped sections.
24
25 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
26
27         * gc.h (gc_process_relocs): Pass information on relocs pointing to
28         sections that are not ordinary to icf.
29         * icf.cc (get_section_contents): Handle relocation pointing to section
30         with no object or shndx information.
31         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
32         * testsuite/Makefile.in: Regenerate.
33         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
34         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
35
36 2010-04-22  Ian Lance Taylor  <iant@google.com>
37
38         * expression.cc (Expression::Expression_eval_info): Add
39         result_alignment_pointer field.
40         (Expression::eval_with_dot): Add result_alignment_pointer
41         parameter.  Change all callers.
42         (Expression::eval_maybe_dot): Likewise.
43         (class Binary_expression): Add alignment_pointer parameter to
44         left_value and right_value.  Change all callers.
45         (BINARY_EXPRESSION): Set result alignment.
46         (class Trinary_expression): Add alignment_pointer parameter to
47         arg2_value and arg3_value.  Change all callers.
48         (Trinary_cond::value): Set result alignment.
49         (Max_expression::value, Min_expression::value): Likewise.
50         (Align_expression::value): Likewise.
51         * script-sections.cc (class Sections_element): Add dot_alignment
52         parameter to set_section_addresses virtual function.  Update
53         instantiations.
54         (class Output_section_element): Likewise.
55         (Script_sections::create_segments): Add dot_alignment parameter.
56         Change all callers.
57         (Script_sections::create_segments_from_phdrs_clause): Likewise.
58         (Script_sections::set_phdrs_clause_addresses): Likewise.
59         * script-sections.h: Update declarations.
60         * script.h: Update declarations.
61         * output.h (Output_segment::set_minimum_p_align): Don't decrease
62         min_p_align.
63         * testsuite/script_test_3.t: Set large alignment.
64         * testsuite/script_test_3.sh: Make sure that at least one LOAD
65         segment has expected alignment.
66
67 2010-04-22  Nick Clifton  <nickc@redhat.com>
68
69         * po/gold.pot: Updated by the Translation project.
70         * po/vi.po: Updated Vietnamese translation.
71
72 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
73
74         * testsuite/Makefile.am (check_PROGRAMS): Add
75         icf_virtual_function_folding_test.
76         * testsuite/Makefile.in: Regenerated.
77
78 2010-04-15  Andrew Haley  <aph@redhat.com>
79
80         * options.h (merge_exidx_entries): New option.
81         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
82         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
83         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
84         (Target_arm::merge_exidx_entries): New function.
85         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
86         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
87         to Arm_exidx_fixup constructor.
88         Add new arg, merge_exidx_entries.
89         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
90         Arm_output_section::fix_exidx_coverage.
91
92 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
93
94         * icf.cc (get_section_contents): Check for preemptible functions.
95         Ignore addend when appropriate.
96         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
97         section folded.
98         (add_from_relobj): Check for section folded.
99         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
100         * symtab.h (should_add_dynsym_entry): Add new parameter.
101         * target-reloc.h (scan_relocs): Check for section folded.
102         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
103         Check reloc types for function pointers in shared objects.
104         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
105         case.
106         (icf_preemptible_functions_test): New test case.
107         (icf_string_merge_test): New test case.
108         * testsuite.Makefile.in: Regenerate.
109         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
110         bar_glob.  Refactor code.
111         * testsuite/icf_preemptible_functions_test.cc: New file.
112         * testsuite/icf_preemptible_functions_test.sh: New file.
113         * testsuite/icf_string_merge_test.cc: New file.
114         * testsuite/icf_string_merge_test.sh: New file.
115         * testsuite/icf_virtual_function_folding_test.cc: New file.
116         * testsuite/icf_virtual_function_folding_test.sh: New file.
117
118 2010-04-14  Doug Kwan  <dougkwan@google.com>
119
120         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
121         for local symbol recounting if we remove a section due to ICF.
122         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
123         there are no regular objects in input.
124
125 2010-04-13  Doug Kwan  <dougkwan@google.com>
126
127         * arm.cc (Arm_input_section::set_final_data_size): Compute
128         accurate final data size instead of using current data size.
129
130 2010-04-09  Doug Kwan  <dougkwan@google.com>
131
132         * layout.cc (Layout::choose_output_section): Handle script section
133         types.
134         (Layout::make_output_section_for_script): Add section type parameter.
135         Handle script section types.
136         * layout.h (Layout::make_output_section_for_script): Add section
137         type parameter.
138         * output.cc (Output_section::Output_section): Initialize data member
139         is_noload_.
140         (Output_section::do_reset_address_and_file_offset): Do not set address
141         to 0 if section is a NOLOAD section.
142         * output.h (Output_section::is_noload): New method.
143         (Output_section::set_is_noload): Ditto.
144         (Output_section::is_noload_): New data member.
145         * script-c.h (Script_section_type): New enum type.
146         (struct Parser_output_section_header): Add new file section_type.
147         * script-sections.cc (Sections_element::output_section_name): Add
148         parameter for returning script section type.
149         (Output_section_definition::output_section_name): Ditto.
150         (Output_section_definition::section_type)P; New method.
151         (Output_section_definiton::script_section_type_name): Ditto.
152         (Output_section_definition::script_section_type_): New data member.
153         (Output_section_definition::Output_section_definition): Initialize
154         data member Output_section_definition::script_section_type_.
155         (Output_section_definition::create_sections): Pass script section type
156         to Layout::make_output_section_for_script.
157         (Output_section_definition::output_section_name): Return script
158         section type to caller.
159         (Output_section_definition::set_section_address): Do not advance
160         dot value and load address if section type is NOLOAD.  Set address
161         of NOLOAD sections regardless of section flags.
162         (Output_section_definition::print): Print section type if it is
163         not SCRIPT_SECTION_TYPE_NONE.
164         (Output_section_definition::section_type): New method.
165         (Output_section_definition::script_section_type_name): Ditto.
166         (Script_sections::output_section_name): Add new parameter
167         PSECTION_TYPE for returning script section type.  Pass it to
168         section elements.  Handle discard sections.
169         (Sort_output_sections::operator()): Handle NOLOAD sections.
170         * script-sections.h (Script_sections::Section_type): New enum type.
171         (Script_sections::output_section_name): Add a new parameter for
172         returning script section type.
173         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
174         INFO and NOLOAD.
175         * yyscript.y (union): Add new field SECTION_TYPE.
176         (COPY, DSECT, INFO, NOLOAD): New tokens.
177         (opt_address_and_section_type): Change type to output_section_header.
178         (section_type): New non-terminal
179         (section_header): Handle section type.
180         (opt_address_and_section_type): Return section type value.
181
182 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
183
184         * testsuite/plugin_common_test_1.c (foo): Add prototype.
185         * testsuite/plugin_common_test_2.c (foo): Likewise.
186
187 2010-04-08  Doug Kwan  <dougkwan@google.com>
188
189         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
190         Output_merge_data.
191         * output.cc (Output_section::add_merge_input_section): Simplify
192         code and return status of Output_merge_base::add_input_section.
193         Update merge section map only if Output_merge_base::add_input_section 
194         returns true.
195
196 2010-04-07  Doug Kwan  <dougkwan@google.com>
197
198         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
199         if section is marked as containing instructions but has no mapping
200         symbols.
201         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
202         correct section index.
203         (Arm_relobj::find_linked_text_section): Ditto.
204
205 2010-04-07  Cary Coutant  <ccoutant@google.com>
206
207         * archive.cc (include_member): Destroy Read_symbols_data object before
208         releasing file.
209         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
210         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
211         (Read_symbols_data::~Read_symbols_data) New destructor.
212         (Section_relocs::Section_relocs) New constructor.
213         (Section_relocs::~Section_relocs) New destructor.
214         (Read_relocs_data::Read_relocs_data) New constructor.
215         (Read_relocs_data::~Read_relocs_data) New destructor.
216         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
217         pointers to NULL after deleting.
218
219 2010-04-07  Doug Kwan  <dougkwan@google.com>
220
221         * arm.cc: Replace "endianity" with "endianness" in comments.
222         (Arm_exidx_cantunwind): Ditto.
223         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
224         (Arm_relobj::merge_flags_and_attributes): New method.
225         (Arm_relobj::merge_flags_and_attributes_): New data member.
226         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
227         (Arm_relobj::scan_sections_for_stubs): Ditto.
228         (Arm_relobj::do_read_symbols): Check to see if we really want to
229         merge processor-specific flags and attributes.  Exit early if
230         an object is empty except for section names and the undefined symbol.
231         (Target_arm::do_finalize_sections): Move check for ELF format to
232         Arm_relobj::do_read_symbols.  Merge processor specific flags and
233         attributes from a regular object only when we have determined that
234         it is aapropriate.  Do not create an .ARM.attributes section in
235         output if there is no regular input object.
236         (Target_arm::merge_processor_specific_flags): Check
237         --warn-mismatch before printing any error.
238         (Target_arm::merge_object_attributes): Ditto.
239         * gold.cc (queue_middle_tasks): Handle the case in which there is
240         no regular object in input.
241         * options.cc (General_options::parse_EB): New method.
242         (General_options::parse_EL): Same.
243         (General_options::General_options): Initialize endianness_.
244         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
245         New options.
246         (General_options::Endianness): New enum.
247         (General_options::endianness): New method.
248         (General_options::endianness_): New data member.
249         * parameters.cc (Parameters::set_options): Check target endianness.
250         (Parameters::set_target_once): Ditto.
251         (Parameters::check_target_endianness): New method.
252         (parameters_force_valid_target): If either -EL or -EB is specified,
253         use it to define endianness of default target.
254         * parameters.h (Parameters::check_target_endianness): New method
255         declaration.
256         * target.h (class Target): Change "endianity" to "endianness"
257         in comments.
258
259 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
260
261         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
262         * configure: Regenerate.
263         * Makefile.in: Regenerate.
264         * testsuite/Makefile.in: Regenerate.
265
266 2010-04-06  Cary Coutant  <ccoutant@google.com>
267
268         gcc PR lto/42757
269         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
270         prevailing definitions of common symbols.
271         * testsuite/plugin_test_6.sh: New test case.
272         * testsuite/plugin_common_test_1.c: New test case.
273         * testsuite/plugin_common_test_2.c: New test case.
274         * testsuite/Makefile.am (plugin_test_6): New test case.
275         * testsuite/Makefile.in: Regenerate.
276
277 2010-04-06  Nick Clifton  <nickc@redhat.com>
278
279         * po/vi.po: New Vietnamese translation.
280
281 2010-03-30  Doug Kwan  <dougkwan@google.com>
282
283         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
284
285 2010-03-25  Doug Kwan  <dougkwan@google.com>
286
287         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
288         to avoid a conversion warning on a 32-bit host.
289
290 2010-03-24  Ian Lance Taylor  <iant@google.com>
291
292         * testsuite/script_test_3.t: Add a TLS segment.
293         * testsuite/Makefile.am (check_PROGRAMS): Add
294         tls_phdrs_script_test.
295         (tls_phdrs_script_test_SOURCES): Define.
296         (tls_phdrs_script_test_DEPENDENCIES): Define.
297         (tls_phdrs_script_test_LDFLAGS): Define.
298         (tls_phdrs_script_test_LDADD): Define.
299         * testsuite/Makefile.in: Rebuild.
300
301 2010-03-23  Cary Coutant  <ccoutant@google.com>
302
303         * fileread.cc (find_or_make_view): Fix comment.
304
305 2010-03-23  Ian Lance Taylor  <iant@google.com>
306
307         * script-sections.cc (class Orphan_section_placement): Define
308         PLACE_TLS and PLACE_TLS_BSS.
309         (Orphan_section_placement::Orphan_section_placement): Initialize
310         new places.
311         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
312         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
313         (tls_script_test_SOURCES): Define.
314         (tls_script_test_DEPENDENCIES): Define.
315         (tls_script_test_LDFLAGS): Define.
316         (tls_script_test_LDADD): Define.
317         * testsuite/Makefile.in: Rebuild.
318
319 2010-03-22  Doug Kwan  <dougkwan@google.com>
320
321         * arm.cc (Arm_relocate_functions::abs8,
322         Arm_relocate_functions::abs16): Use correct check for overflow
323         specified in the ARM ELF specs.
324         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
325         target of a BLX instruction specially.
326         (Reloc_stub::stub_type_for_reloc): Ditto.
327         (Relocate::relocate): Use symbolic names instead of numeric relocation
328         codes to report error.
329         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
330         workaround.
331         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
332         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
333         thumb2_blx_out_of_range.stdout
334         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
335         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
336         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
337         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
338         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
339         thumb2_blx_in_range, thumb2_blx_in_range.o,
340         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
341         thumb2_blx_out_of_range.o): New rules.
342         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
343         thumb2_blx_in_range and thumb2_blx_out_of_range.
344         * testsuite/Makefile.in: Regenerate.
345         * arm_branch_in_range.sh: Add tests for THUMB BLX.
346         * testsuite/thumb_blx_in_range.s: New file.
347         * testsuite/thumb_blx_out_of_range.s: New file.
348
349 2010-03-22  Rafael Espindola  <espindola@google.com>
350
351         * archive.cc (Should_include): Move to archive.h.
352         (should_include_member): Make it a member of Archive.
353         (Lib_group): New.
354         (Add_lib_group_symbols): New.
355         * archive.h: Include options.h.
356         (Archive_member): Moved from Archive.
357         (Should_include): Moved from archive.cc.
358         (Lib_group): New.
359         (Add_lib_group_symbols): New.
360         * dynobj.cc (do_should_include_member): New.
361         * dynobj.h (do_should_include_member): New.
362         * gold.cc (queue_initial_tasks): Update call to queue.
363         * main.cc (main): Print lib group stats.
364         * object.cc (do_should_include_member): New.
365         * object.h: Include archive.h.
366         (Object::should_include_member): New.
367         (Object::do_should_include_member): New.
368         (Sized_relobj::do_should_include_member): New.
369         * options.cc (General_options::parse_start_lib): New.
370         (General_options::parse_end_lib): New.
371         (Input_arguments::add_file): Handle lib groups.
372         (Input_arguments::start_group): Check we are not in a lib.
373         (Input_arguments::start_lib): New.
374         (Input_arguments::end_lib): New.
375         * options.h (General_options): Add start_lib and end_lib.
376         (Input_argument::lib_): New.
377         (Input_argument::lib): New.
378         (Input_argument::is_lib): New.
379         (Input_file_lib): New.
380         (Input_arguments::in_lib_): New.
381         (Input_arguments::in_lib): New.
382         (Input_arguments::start_lib): New.
383         (Input_arguments::end_lib_): New.
384         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
385         in unused members as preempted.
386         (Sized_pluginobj::do_should_include_member): New.
387         * plugin.h (Sized_pluginobj::do_should_include_member): New.
388         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
389         return the blocker.
390         (Read_symbols::do_whole_lib_group): New.
391         (Read_symbols::do_lib_group): New.
392         (Read_symbols::do_read_symbols): Handle lib groups.
393         (Read_symbols::get_name): Handle lib groups.
394         * readsyms.h (Read_symbols): Add an archive member pointer.
395         (Read_symbols::do_whole_lib_group): New.
396         (Read_symbols::do_lib_group): New.
397         (Read_symbols::member_): New.
398         * script.cc (read_input_script): Update call to queue_soon.
399
400 2010-03-19  Doug Kwan  <dougkwan@google.com>
401
402         * arm.cc (Stub_table::Stub_table): Initialize new data members
403         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
404         (Stub_table::add_reloc_stub): Assign stub offset and update
405         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
406         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
407         New data members.
408         (Stub_table::update_data_size_and_addralign): Use
409         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
410         instead of going over all reloc stubs.
411         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
412         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
413         Stringpool_template::offset_ to size of Stringpool_char.
414         (Stringpool_template::new_key_offset): Remove code to initialize
415         Stringpool_template::offset_.
416         * stringpool.h (Stringpool_template::set_no_zero_null): Set
417         Stringpool_template::offset_ to zero.
418
419 2010-03-15  Doug Kwan  <dougkwan@google.com>
420
421         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
422         offset_.
423         (Stringpool_template::new_key_offset): New method.
424         (Stringpool_template::add_string): Assign offsets when adding new
425         strings.
426         (Stringpool_template::set_string_offsets): Do not set string offsets
427         when not optimizing.
428         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
429         member size_.
430         (Chunked_vector::clear): Clear size_.
431         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
432         (Chunked_vector::size): Return size_.
433         (Chunked_vector::push_back): Use size_ to find insert position.
434         (Chunked_vector::size_): New data member. 
435         (Stringpool_template::set_no_zero_null): Assert string set is empty.
436         (Stringpool_template::new_key_offset): New method declaration.
437         (Stringpool_template::offset_): New data member.
438
439 2010-03-15   Rafael Espindola  <espindola@google.com>
440
441         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
442         Add_symbols' constructor.
443         * readsyms.h (Add_symbols): Remove the input_group member.
444
445 2010-03-10  Ian Lance Taylor  <iant@google.com>
446
447         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
448         target to ask whether a reference to a symbol requires a stack
449         split.
450         * target.h (Target::is_call_to_non_split): New function.
451         (Target::do_is_call_to_non_split): Declare virtual function.
452         * target.cc: Include "symtab.h".
453         (Target::do_is_call_to_non_split): New function.
454         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
455
456 2010-03-10  Cary Coutant  <ccoutant@google.com>
457
458         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
459         (File_read::open[1]): Remove initial mapping of whole_file_view_.
460         (File_read::open[2]): Add whole_file_view_ to list of views.
461         (File_read::make_view): Remove test of whole_file_view_.
462         (File_read::find_or_make_view): Create whole_file_view_ if
463         necessary.
464         (File_read::clear_views): Replace bool parameter with enum;
465         adjust all callers.  Don't delete views with permanent data;
466         do delete cached views and views from archives if
467         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
468         if clearing the corresponding view.
469         * fileread.h (File_read::Clear_views_mode): New enum.
470         (File_read::View::is_permanent_view): New method.
471         (File_read::clear_views): Replace bool parameter
472         with enum; adjust all callers.
473         * options.h (General_options): Change keep_files_mapped option;
474         add map_whole_files.
475         * readsyms.cc (Add_symbols::run): Delete sd_ object before
476         releasing the file.
477         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
478         the file.
479
480 2010-03-10  David S. Miller  <davem@davemloft.net>
481
482         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
483
484 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
485
486         * icf.cc (get_section_contents): Add '@' marker after processing the
487         merge reloc.
488
489 2010-03-08  Doug Kwan  <dougkwan@google.com>
490
491         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
492         due to a conversion warning.
493         (Arm_relobj::update_output_local_symbol_count): Check for local
494         symbol with unset output index.
495
496 2010-03-05  Ian Lance Taylor  <iant@google.com>
497
498         * options.h (class General_options): Add --spare-dynamic-tags.
499         * output.cc (Output_data_dynamic::set_final_data_size): Implement
500         --spare-dynamic-tags.
501
502 2010-03-05  Ian Lance Taylor  <iant@google.com>
503
504         * incremental.cc: Include "libiberty.h".
505
506 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
507
508         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
509         function, is_info_ member.
510         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
511         (Versions::Versions): Update caller.
512         (Versions::define_base_version): Likewise.
513         (Versions::add_def): Likewise.
514
515 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
516
517         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
518         (Scan::possible_function_pointer_reloc): New function.
519         (Scan::local_reloc_may_be_function_pointer): Change to call
520         possible_function_pointer_reloc.
521         (Scan::global_reloc_may_be_function_pointer): Ditto.
522         * icf.h (Icf::check_section_for_function_pointers): Change to reject
523         relocations in ".data.rel.ro._ZTV" section.
524         * testsuite/icf_safe_so_test.sh: Change to pass i386.
525         * testsuite/icf_safe_so_test.cc: Ditto.
526         * testsuite/icf_safe_test.cc: Ditto.
527         * testsuite/icf_safe_test.sh: Ditto.
528
529 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
530             Ian Lance Taylor  <iant@google.com>
531
532         * target-reloc.h (relocate_section): Check the symbol table index
533         for -1U before setting the local symbol index.
534         (scan_relocatable_relocs): If copying the relocation, record that
535         the local symbol is required.
536         * object.h (Symbol_value::is_output_symtab_index_set): New
537         function.
538         (Symbol_value::may_be_discarded_from_output_symtab): New
539         function.
540         (Symbol_value::has_output_symtab_entry): New function.
541         (Symbol_value::needs_output_symtab_entry): Remove.
542         (Symbol_value::output_symtab_index): Make sure the symbol index is
543         set.
544         (Symbol_value::set_output_symtab_index): Make sure the symbol
545         index is not set.  Make sure the new index is valid.
546         (Symbol_value::set_must_have_output_symtab_entry): New function.
547         (Symbol_value::has_output_dynsym_entry): New function.
548         (Symbol_value::set_output_dynsym_index): Make sure the new index
549         is valid.
550         (Sized_relobj::set_must_have_output_symtab_entry): New function.
551         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
552         local symbol if permitted.
553         (Sized_relobj::do_finalize_local_symbols): Call
554         is_output_symtab_index_set rather than needs_output_symtab_entry.
555         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
556         rather than needs_output_symtab_entry.  Call
557         has_output_dynsym_entry rather than needs_output_dynsym_entry.
558         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
559         is_output_symtab_index_set rather than needs_output_symtab_entry.
560         * testsuite/discard_locals_relocatable_test.c: New file.
561         * testsuite/discard_locals_test.sh: Test -r.
562         * testsuite/Makefile.am (check_DATA): Add
563         discard_locals_relocatable_test1.syms,
564         discard_local_relocatable_test2.syms.
565         (MOSTLYCLEANFILES): Likewise.  Also add
566         discard_locals_relocatable_test1.lout and
567         discard_locals_relocatable_test2.out.
568         (discard_locals_relocatable_test1.syms): New target.
569         (discard_locals_relocatable_test.o): New target.
570         (discard_locals_relocatable_test1.out): New target.
571         (discard_locals_relocatable_test2.syms): New target.
572         (discard_locals_relocatable_test2.out): New target.
573         (various): Add missing ../ld-new dependencies.
574         * testsuite/Makefile.in: Rebuild.
575
576 2010-03-03  Nick Clifton  <nickc@redhat.com>
577
578         * po/fi.po: New Finnish translation.
579
580 2010-03-01  Doug Kwan  <dougkwan@google.com>
581
582         * layout.cc (Layout::Layout): Force section types of .init_array*,
583         .preinit_array* and .fini_array* sections.
584         * output.cc (Output_section::Input_section_sort_entry::has_priority):
585         Fix check of return value of std::string::find.().
586         (Output_section::Input_section_sort_compare::operator()): Remove
587         comment about .init_array.
588         (Output_section::Input_section_sort_init_fini_compare::operator()):
589         New method.
590         (Output_section::sort_attached_input_sections): Handle .init_array
591         and .fini_array specially.
592         * output.h (Output_section::Inut_section_sort_compare): Update
593         comment.
594         (Output_section::Input_section_sort_init_fini_compare): New struct.
595
596 2010-02-26  Doug Kwan  <dougkwan@google.com>
597
598         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
599         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
600         * testsuite/debug_msg.sh: Avoid matching source line number for
601         use of global variable undef_int.
602
603 2010-02-26  Doug Kwan  <dougkwan@google.com>
604
605         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
606         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
607         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
608         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
609         * options.cc (General_options::General_options): Initialize member
610         fix_v4bx_.
611         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
612         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
613         and rm_no_fix_v4bx.stdout
614         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
615         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
616         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
617         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
618         and arm_no_fix_v4bx.
619         * Makefile.in: Regenerate.
620         * testsuite/arm_fix_v4bx.s: New file.
621         * testsuite/arm_fix_v4bx.sh: Ditto.
622
623 2010-02-24  Doug Kwan  <dougkwan@google.com>
624
625         * arm.cc (Target_arm::got_section): Make the .got section the first
626         non RELRO section in the data segment.
627         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
628         suffixes of section names.
629
630 2010-02-24  Doug Kwan  <dougkwan@google.com>
631
632         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
633         flags and attributes merging if an input file is a binary file.
634         * fileread.cc (Input_file::open): Record format of original file.
635         * fileread.h (Input_file::Format): New enum type.
636         (Input_file::Input_file): Initialize data member format_.
637         (Input_file::format): New method definition.
638         (Input_file::format_):: New data member.
639
640 2010-02-24  Doug Kwan  <dougkwan@google.com>
641
642         * arm.cc (Arm_output_data_got): New class.
643         (ARM_TCB_SIZE): New constant
644         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
645         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
646         If user uses a script with a SECTIONS clause, issue only a warning
647         for a misplaced EXIDX input section.  Otherwise, issue an error.
648         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
649         garbage collection.
650         (Target_arm::got_mode_index_entry): Handle static linking.
651         (Target_arm::Scan::local): Ditto.
652         (Target_arm::Scan::global): Ditto.
653         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
654         all incorrectly implemented relocations.
655         (Target_arm::fix_exidx_coverage): Pass layout to 
656         Arm_output_section::fix_exidx_coverage.
657         * layout.cc (Layout::section_name_mapping): Remove trailing dots
658         from ".ARM.exidx." and ".ARM.extab.".
659
660 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
661
662         * arm.cc (Target_arm::do_finalize_sections): Create attribute
663         section if it does not already exist.
664         * attributes.cc (Attributes_section_data::Attributes_section_data):
665         Don't crash if size is zero.
666
667 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
668             Ian Lance Taylor  <iant@google.com>
669
670         * gold.cc (queue_middle_tasks): If no input files were opened,
671         exit.
672         * workqueue.h (Task_function::Task_function): Assert that there is
673         a blocker.
674
675 2010-02-22  Doug Kwan  <dougkwan@google.com>
676
677         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
678         * icf.cc (get_section_contents): Cast snprintf arguments to long long
679         types to avoid warnings due to different uint64_t implementations
680         on different hosts.
681
682 2010-02-21  Doug Kwan  <dougkwan@google.com>
683
684         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
685         handling of the maximum backward branch offset.
686         (Arm_relocate_functions::thumb_branch_common): Ditto.
687         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
688         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
689         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
690         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
691         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
692         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
693         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
694         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
695         thumb_bl_out_of_range thumb_bl_out_of_range.o,
696         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
697         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
698         thumb2_bl_out_of_range.o): New rules.
699         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
700         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
701         thumb2_bl_out_of_range
702         * testsuite/Makefile.in: Regenerate.
703         * testsuite/arm_bl_in_range.s: New file.
704         * testsuite/arm_bl_out_of_range.s: Ditto.
705         * testsuite/arm_branch_in_range.sh: Ditto.
706         * testsuite/arm_branch_range.t: Ditto.
707         * testsuite/thumb2_branch_range.t: Ditto.
708         * testsuite/thumb_bl_in_range.s: Ditto.
709         * testsuite/thumb_bl_out_of_range.s: Ditto.
710         * testsuite/thumb_branch_range.t: Ditto.
711
712 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
713
714         * gc.h (gc_process_relocs): Change vectors to point to the new list.
715         Add reloc offset information.
716         * icf.cc (get_section_contents): Change iterators to point to the new
717         vectors. Add reloc offset information to the contents.
718         * icf.h (Icf::Sections_reachable_info): New typedef.
719         (Icf::Sections_reachable_list): New typedef.
720         (Icf::Offset_info): New typedef.
721         (Icf::Reloc_info): New struct typedef.
722         (Icf::Reloc_info_list): New typedef.
723         (Icf::symbol_reloc_list): Delete method.
724         (Icf::addend_reloc_list): Delete method.
725         (Icf::section_reloc_list): Delete method.
726         (Icf::reloc_info_list): New method.
727         (Icf::reloc_info_list_): New member.
728
729 2010-02-19  Doug Kwan  <dougkwan@google.com>
730
731         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
732         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
733         * arm.cc (Arm_relocation_functions): New forward declaration.
734         (Target_arm::Target_arm): Initialize new data members
735         got_mod_index_offset_ and tls_base_symbol_defined_.
736         (Target_arm::Relocate::relocate_tls): New method.
737         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
738          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
739         New methods.
740         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
741         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
742         (Target_arm::got_mod_index_offset_,
743         Target_arm::tls_base_symbol_defined_): New data members.
744         (Target_arm::Scan::local, Target::Scan::global,
745         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
746         relocations.
747
748 2010-02-18  Doug Kwan  <dougkwan@google.com>
749
750         * arm.cc (Arm_relobj::find_linked_text_section): New method.
751         (Arm_relobj::make_exidx_input_section): Pass section index of linked
752         text section as a parameter becuase some broken tools may not set
753         the link in section header.
754         (Target_arm::has_got_section): New method.
755         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
756         without any mapping symbol as data only.  Remove warning.
757         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
758         link in its section header, try to discover the link by inspecting the
759         REL31 relocation at the beginning of the section.
760         (Target_arm::Scan::check_non_pic): Report name of offending relocation
761         in error message.
762         (Target_arm::Scan::global): Treat any reference to the symbol
763         _GLOBAL_OFFSET_TABLE_ as a GOT access.
764
765 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
766
767         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
768         (Scan::global_reloc_may_be_function_pointer): New function.
769         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
770         (Scan::global_reloc_may_be_function_pointer): New function.
771         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
772         (Scan::global_reloc_may_be_function_pointer): New function.
773         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
774         (Scan::global_reloc_may_be_function_pointer): New function.
775         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
776         (Scan::global_reloc_may_be_function_pointer): New function.
777         (Scan::possible_function_pointer_reloc): New function.
778         (Target_x86_64::can_check_for_function_pointers): New function.
779         * gc.h (gc_process_relocs): Scan relocation types to determine if
780         function pointers were taken for targets that support it.
781         * icf.cc (Icf::find_identical_sections): Include functions for
782         folding in safe ICF whose pointer is not taken.
783         * icf.h (Secn_fptr_taken_set): New typedef.
784         (fptr_section_id_): New member.
785         (section_has_function_pointers): New function.
786         (set_section_has_function_pointers): New function.
787         (check_section_for_function_pointers): New function.
788         * options.h: Fix comment for safe ICF option.
789         * target.h (can_check_for_function_pointers): New function.
790         * testsuite/Makefile.am: Add icf_safe_so_test test case.
791         Modify icf_safe_test for X86-64.
792         * testsuite/Makefile.in: Regenerate.
793         * testsuite/icf_safe_so_test.cc: New file.
794         * testsuite/icf_safe_so_test.sh: New file.
795         * testsuite/icf_safe_test.cc (kept_func_3): New function.
796         (main): Change to take pointer to function kept_func_3.
797         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
798         folding is done correctly for X86-64.
799
800 2010-02-12  David S. Miller  <davem@davemloft.net>
801
802         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
803         is_symbolless parameter.
804         (Output_reloc<SHT_REL>::is_symbolless): New.
805         (Output_reloc<SHT_REL>::is_symbolless_): New.
806         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
807         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
808         (Output_reloc<SHT_RELA>::is_symbolless): New.
809         (Output_data_reloc::add_global): Handle is_symbolless.
810         (Output_data_reloc::add_global_relative): Likewise.
811         (Output_data_reloc::add_local): Likewise.
812         (Output_data_reloc::add_local_relative): Likewise.
813         (Output_data_reloc::add_symbolless_global_addend): New.
814         (Output_data_reloc::add_symbolless_local_addend): New.
815         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
816         is_symbolless.
817         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
818         instead of ->is_relative_
819         (Output_reloc::write): Likewise.
820         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
821         (Output_reloc::write_rel): Simplify.
822
823         * sparc.cc (Target_sparc::Scan::local): Use
824         ->add_symbolless_local_addend as needed.
825         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
826         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
827         based upon relocation offset.
828
829 2010-02-11  Doug Kwan  <dougkwan@google.com>
830
831         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
832         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
833         beginning of function.
834         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
835         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
836         parameter is_32bit in calls to should_apply_static_reloc.
837         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
838         (check_DATA): Add arm_abs_global.stdout.
839         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
840         arm_abs_global.stdout): New rules.
841         (MOSTLLYCLEANFILES): Add arm_abs_global
842         * Makefile.in: Regenerate.
843         * testsuite/arm_abs_global.s: New file.
844         * testsuite/arm_abs_global.sh: Ditto.
845         * testsuite/arm_abs_lib.s: Ditto.
846
847 2010-02-11  Ian Lance Taylor  <iant@google.com>
848
849         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
850         Read_relocs task.
851         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
852         Allocate_commons_task first.
853         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
854         task, rather than symtab_lock_.
855         (Gc_process_relocs::~Gc_process_relocs): New function.
856         (Gc_process_relocs::is_runnable): Check this_blocker_.
857         (Gc_process_relocs::locks): Use next_blocker_ rather than
858         blocker_.
859         (Scan_relocs::~Scan_relocs): New function.
860         (Scan_relocs::is_runnable): Check this_blocker_ rather than
861         symtab_lock_.
862         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
863         next_blocker_.
864         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
865         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
866         constructor accordingly.
867         (class Gc_process_relocs): Likewise.
868         (class Scan_relocs): Likewise.
869         * common.h (class Allocate_commons_task): Remove symtab_lock_
870         field, and corresponding constructor parameter.
871         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
872         symtab_lock_.
873         (Allocate_commons_task::locks): Likewise.
874
875 2010-02-11  Ian Lance Taylor  <iant@google.com>
876
877         * gold-threads.h (class Once): Define.
878         (class Initialize_lock): Rewrite as child of Once.
879         * gold-threads.cc (class Once_initialize): Define.
880         (once_pointer_control): New static variable.
881         (once_pointer, once_arg): New static variables.
882         (c_run_once): New static function.
883         (Once::Once, Once::run_once, Once::internal_run): New functions.
884         (class Initialize_lock_once): Remove.
885         (initialize_lock_control): Remove.
886         (initialize_lock_pointer): Remove.
887         (initialize_lock_once): Remove.
888         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
889         (Initialize_lock::initialize): Rewrite.
890         (Initialize_lock::do_run_once): New function.
891         * archive.cc (Archive::interpret_header): Only clear name if it is
892         not already empty.
893         * fileread.cc: Include "gold-threads.h"
894         (file_counts_lock): New static variable.
895         (file_counts_initialize_lock): Likewise.
896         (File_read::release): Only increment counts when using --stats.
897         Use a lock around the increment.
898         * parameters.cc (class Set_parameters_target_once): Define.
899         (set_parameters_target_once): New static variable.
900         (Parameters::Parameters): Move here from parameters.h.
901         (Parameters::set_target): Rewrite.
902         (Parameters::set_target_once): New function.
903         (Parameters::clear_target): Move here and rewrite.
904         * parameters.h (class Parameters): Update declarations.  Add
905         set_parameters_target_once_ field.
906         (Parameters::Parameters): Move to parameters.cc.
907         (Parameters::clear_target): Likewise.
908         * readsyms.cc (Read_symbols::do_group): Create a Start_group
909         task.
910         (Start_group::~Start_group): New function.
911         (Start_group::is_runnable): New function.
912         (Start_group::locks, Start_group::run): New functions.
913         (Finish_group::run): Change saw_undefined to size_t.
914         * readsyms.h (class Start_group): Define.
915         (class Finish_group): Change saw_undefined_ field to size_t.
916         (Finish_group::Finish_group): Remove saw_undefined and
917         this_blocker parameters.  Change all callers.
918         (Finish_group::set_saw_undefined): New function.
919         (Finish_group::set_blocker): New function.
920         * symtab.h (class Symbol_table): Change saw_undefined to return
921         size_t.  Change saw_undefined_ field to size_t.
922         * target-select.cc (Set_target_once::do_run_once): New function.
923         (Target_selector::Target_selector): Initialize set_target_once_
924         field.  Don't initialize lock_ and initialize_lock_ fields.
925         (Target_selector::instantiate_target): Rewrite.
926         (Target_selector::set_target): New function.
927         * target-select.h (class Set_target_once): Define.
928         (class Target_selector): Update declarations.  Make
929         Set_target_once a friend.  Remove lock_ and initialize_lock_
930         fields.  Add set_target_once_ field.
931
932 2010-02-10  Ian Lance Taylor  <iant@google.com>
933
934         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
935         queueing any tasks.
936         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
937         (queue_middle_tasks): Add all blockers before queueing any tasks.
938         (queue_final_tasks): Likewise.
939         * token.h (Task_token::add_blockers): New function.
940         * object.h (Input_objects::number_of_relobjs): New function.
941
942 2010-02-10  Ian Lance Taylor  <iant@google.com>
943
944         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
945         shared, not if not position independent.
946         * x86_64.cc (Relocate::relocate_tls): Likewise.
947         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
948         (tls_pie_pic_test): New target.
949         * testsuite/Makefile.in: Rebuild.
950
951         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
952         (tls_test_main_pie.o, tls_test_pie.o): New targets.
953         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
954         * testsuite/Makefile.in: Rebuild.
955
956 2010-02-09  David S. Miller  <davem@davemloft.net>
957
958         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
959         R_SPARC_RELATIVE using ->add_local_relative().
960         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
961
962         * output.h (Output_data_dynamic::add_section_size): New method
963         that takes two Output_data objects.
964         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
965         entry param.  Handle it in initializers.
966         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
967         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
968         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
969         arg.
970         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
971         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
972         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
973         for dynrel_includes_plt.
974         * i386.cc (Target_i386::do_finalize_sections): Likewise.
975         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
976         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
977         before .rela.plt
978         (Target_sparc::do_finalize_sections): Update to pass true for
979         dynrel_includes_plt.
980         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
981         output before .rela.plt
982         (Target_powerpc::do_finalize_sections): Update to pass true for
983         dynrel_includes_plt when 32-bit.
984
985 2010-02-08  Doug Kwan  <dougkwan@google.com>
986
987         * arm.cc (Arm_relobj::simple_input_section_output_address): New
988         method.
989         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
990         Arm_relobj::scan_section_for_cortex_a8_stubs,
991         Arm_relobj::do_relocation_section): Instead of calling
992         Output_section::output_address, use faster
993         Arm_relobj::simple_input_section_output_address.
994
995 2010-02-08  David S. Miller  <davem@davemloft.net>
996
997         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
998         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
999         relocation helper function.
1000
1001         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1002         just like R_SPARC_GOT{10,13,22}.
1003         (Target_sparc::Scan::local): Likewise.
1004         (Target_sparc::Relocate:relocate): Likewise.
1005
1006 2010-02-06  Ian Lance Taylor  <iant@google.com>
1007
1008         * configure.ac: Rewrite targetobjs duplicate removal code to use
1009         only shell constructs.
1010         * configure: Rebuild.
1011
1012 2010-02-05  Doug Kwan  <dougkwan@google.com>
1013
1014         PR 11247
1015         * arm.cc (Arm_relobj::section_is_scannable): New method.
1016         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1017         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1018
1019 2010-02-04  Doug Kwan  <dougkwan@google.com>
1020
1021         PR 11247
1022         * arm-reloc-property.cc (cstdio): Include.
1023         * configure.ac (targetobjs): Remove duplicates.
1024         * configure: Regenerate.
1025         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1026         big and little endian version for a given address size.
1027
1028 2010-02-03  Doug Kwan  <dougkwan@google.com>
1029
1030         * arm-reloc-property.cc
1031         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1032         definition.
1033         * arm-reloc-property.h
1034         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1035         New method definition.
1036         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1037         declaration.
1038         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1039         overflow to N.
1040         (GOT_PREL): Change implemented to Y.
1041         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1042         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1043         (Arm_relocate_functions::movw_abs_nc): Remove method.
1044         (Arm_relocate_functions::movt_abs): Ditto.
1045         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1046         (Arm_relocate_functions::thm_movt_abs): Ditto.
1047         (Arm_relocate_functions::movw_rel_nc): Ditto.
1048         (Arm_relocate_functions::movw_rel): Ditto.
1049         (Arm_relocate_functions::movt_rel): Ditto.
1050         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1051         (Arm_relocate_functions:thm_movw_rel): Ditto.
1052         (Arm_relocate_functions:thm_movt_rel): Ditto.
1053         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1054         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1055         New method definitions.
1056         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1057         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1058         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1059         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1060         (Target_arm::Relocate::relocate): Check for non-static or
1061         unimplemented relocation code and exit early.  Change calls to
1062         Target_arm::reloc_uses_thumb_bit and
1063         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1064         instead.  Refactor code to handle similar relocations to increase
1065         code sharing.  Remove check for unsupported relocation code in switch
1066         statement.
1067         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1068         relocation property table to find out size.  Change error message to
1069         print out the name of a relocation code instead of the numeric value.
1070         (Target_arm::scan_reloc_for_stub): Use relocation property table
1071         instead of calling Target_arm::reloc_uses_thumb_bit().
1072
1073 2010-02-02  Doug Kwan  <dougkwan@google.com>
1074
1075         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1076         types of relaxed input section.
1077
1078 2010-02-02  Doug Kwan  <dougkwan@google.com>
1079
1080         * Makefile.am (HFILES): Add arm-reloc-property.h.
1081         (DEFFILES): New.
1082         (TARGETSOURCES): Add arm-reloc-property.cc
1083         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1084         (libgold_a_SOURCES): $(DEFFILES)
1085         * Makefile.in: Regenerate.
1086         * arm-reloc-property.cc: New file.
1087         * arm-reloc-property.h: New file.
1088         * arm-reloc.def: New file.
1089         * arm.cc: Update comments.
1090         (arm-reloc-property.h): New included header.
1091         (arm_reloc_property_table): New global variable.
1092         (Target_arm::do_select_as_default_target): New method definition.
1093         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1094         arm-reloc-property to targ_extra_obj.
1095         * parameters.cc (set_parameters_target): Call
1096         Target::select_as_default_target().
1097         * target.h (Target::select_as_default_target): New method definition.
1098         (Target::do_select_as_default_target): Same.
1099
1100 2010-02-01  Doug Kwan  <dougkwan@google.com>
1101
1102         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1103         first_output_text_section_.
1104         (Arm_exidx_fixup::first_output_text_section): New method definition.
1105         (Arm_exidx_fixup::first_output_text_section_): New data member.
1106         (Arm_exidx_fixup::process_exidx_section): Record the first text
1107         output section seen.
1108         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1109         and entsize in output section header.
1110
1111 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1112
1113         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1114         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1115         (Arm_relocate_functions::thm_alu11): New Method.
1116         (Arm_relocate_functions::thm_pc8): New Method.
1117         (Arm_relocate_functions::thm_pc12): New Method.
1118         (Target_arm::Scan::local): Handle the relocations.
1119         (Target_arm::Scan::global): Likewise.
1120         (Target_arm::Relocate::relocate): Likewise.
1121         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1122
1123 2010-01-29  Doug Kwan  <dougkwan@google.com>
1124
1125         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1126         of relocation types as ld.
1127
1128 2010-01-29  Doug Kwan  <dougkwan@google.com>
1129
1130         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1131         to public.
1132         (Arm_relocate_functions::thumb_branch_common): Ditto.
1133         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1134         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1135         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1136         Arm_relocate_functions::jump24): Remove.
1137         (Target_arm::Relocate::relocate): Adjust code to call
1138         Arm_relocation_functions::arm_branch_common and
1139         Arm_relocation_functions::thumb_branch_common instead of their removed
1140         wrappers.  Merge switch-cases together to reduce source code size.  
1141
1142 2010-01-29  Doug Kwan  <dougkwan@google.com>
1143
1144         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1145         output_local_symbol_count_needs_update_.
1146         (Arm_relobj::output_local_symbol_count_needs_update,
1147          Arm_relobj::set_output_local_symbol_count_needs_update,
1148          Arm_relobj::update_output_local_symbol_count): New methods.
1149         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1150         member.
1151         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1152         of pointed function as in a R_ARM_PREL31 relocation.
1153         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1154         for output local symbol count updating.
1155         (Target_arm::do_relax): Update output local symbol counts in objects
1156         if necessary.
1157         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1158
1159 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1160
1161         * arm.cc: Added support for the ARM relocations:
1162         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1163         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1164         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1165         movw_prel_nc).
1166         (Arm_relocate_functions::movw_rel): New method.
1167         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1168         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1169         thm_movw_prel_nc).
1170         (Arm_relocate_functions::thm_movw_rel): New method.
1171         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1172         thm_movt_prel).
1173         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1174         relocations.
1175         (Target_arm::Scan::global): Likewise.
1176         (Target_arm::Relocate::relocate): Likewise.
1177         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1178         Likewise.
1179
1180 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1181
1182         * arm.cc: Added support for ARM group relocations.
1183         (Target_arm::reloc_needs_sym_origin): New method.
1184         (Arm_relocate_functions::calc_grp_kn): New method.
1185         (Arm_relocate_functions::calc_grp_residual): New method.
1186         (Arm_relocate_functions::calc_grp_gn): New method.
1187         (Arm_relocate_functions::arm_grp_alu): New Method.
1188         (Arm_relocate_functions::arm_grp_ldr): New Method.
1189         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1190         (Arm_relocate_functions::arm_grp_ldc): New Method.
1191         (Target_arm::Scan::local): Handle the ARM group relocations.
1192         (Target_arm::Scan::global): Likewise.
1193         (Target_arm::Relocate::relocate): Likewise.
1194         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1195         Likewise.
1196
1197 2010-01-26  Doug Kwan  <dougkwan@google.com>
1198
1199         * arm.cc (set): Include.
1200         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1201         pointer type.
1202         (Arm_output_section::Text_section_list): New type.
1203         (Arm_output_section::append_text_sections_to_list): New method.
1204         (Arm_output_section::fix_exidx_coverage): Ditto.
1205         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1206         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1207         Relobj::set_section_offset() instead of
1208         Sized_relobj::invalidate_section_offset().
1209         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1210         parameter for section headers. Ignore relocation sections for
1211         unallocated sections and EXIDX sections.
1212         (Target_arm::fix_exidx_coverage): New method.
1213         (Target_arm::output_section_address_less_than): New type.
1214         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1215         linked text section instead of the EXIDX section.
1216         (Arm_output_section::create_stub_group): Add an assertion to check
1217         that this is not an EXIDX output section.
1218         (Arm_output_section::append_text_sections_to_list): New method.
1219         (Arm_output_section::fix_exidx_coverage): Ditto.
1220         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1221         Arm_relobj::section_needs_reloc_stub_scanning.
1222         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1223         first pass.
1224         (Target_arm::fix_exidx_coverage): New method.
1225         * object.h (Relobj::set_output_section): New method.
1226         (Sized_relobj::invalidate_section_offset): Remove method.
1227         (Sized_relobj::do_invalidate_section_offset): Remove method.
1228         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1229
1230 2010-01-25  Doug Kwan  <dougkwan@google.com>
1231
1232         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1233         Fix warning due to signed and unsigned comparison on a 32-bit host.
1234
1235 2010-01-22  Doug Kwan  <dougkwan@google.com>
1236
1237         * arm.cc (Target_arm::do_relax): Record an output section for section
1238         offset adjustment it contains any stub table that has changed.
1239         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1240         offsets in an output section if necessary.
1241         * output.cc (Output_section::Output_section): Initialize
1242         section_offsets_need_adjustments_.
1243         (Output_section::add_input_section_for_script): Renamed to
1244         Output_section::add_simple_input_section.
1245         (Output_section::save_states): Add a comment.
1246         (Output_section::discard_states): New method defintion.
1247         (Output_section::adjust_section_offsets): Same.
1248         * output.h (Output_section::add_input_section_for_script): Renamed to
1249         Output_section::add_simple_input_section.
1250         (Output_section::discard_states): New method declaration.
1251         (Output_section::adjust_section_offsets): Same.
1252         (Output_section::section_offsets_need_adjustment,
1253         Output_section::set_section_offsets_need_adjustment): New method
1254         definitions.
1255         (Output_section::section_offsets_need_adjustment_): New data member.
1256         * script-sections.cc
1257         (Output_section_element_input::set_section_address): Adjust code for
1258         renaming of Output_section::add_input_section_for_script.
1259         (Orphan_output_section::set_section_address): Same.
1260
1261 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1262
1263         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1264         Fix_v4bx enum values .
1265         * gold/options.h (General_options): New option definitions.
1266         (General_options::fix_v4bx): New method.
1267         (General_options::Fix_v4bx): New enum.
1268         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1269         (General_options::parse_fix_v4bx_interworking): New method.
1270
1271 2010-01-22  Doug Kwan  <dougkwan@google.com>
1272
1273         * arm.cc (Arm_exidx_fixup): New class.
1274
1275 2010-01-21  Doug Kwan  <dougkwan@google.com>
1276
1277         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1278         classes.
1279         (Arm_exidx_section_offset_map): New type.
1280
1281 2010-01-21  Doug Kwan  <dougkwan@google.com>
1282
1283         * arm.cc (Arm_exidx_input_section): New class.
1284         (Arm_relobj::exidx_input_section_by_link,
1285         Arm_relobj::exidx_input_section_by_shndx,
1286         Arm_relobj::make_exidx_input_section): New methods.
1287         (read_arm_attributes_section): Remove.
1288         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1289         information about them.
1290         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1291         to here.
1292
1293 2010-01-20  Doug Kwan  <dougkwan@google.com>
1294
1295         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1296         Input_section_specifier to Section_id.
1297         (Target_arm::new_arm_input_section: Adjust code for change of key
1298         type.
1299         (Target_arm::find_arm_input_section): Ditto.
1300         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1301         (Section_id): Remove.
1302         (Garbage_collection::Section_id_hash): Remove.
1303         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1304         (Section_id): Remove.
1305         (Icf::Section_id_hash): Remove.
1306         * object.h (Section_id, Const_section_id, Section_id_hash,
1307         Const_section_id_hash): New type definitions.
1308         * output.cc (Output_section::add_relaxed_input_section): Change to
1309         use Const_section_id instead of Input_section_specifier as key type.
1310         (Output_section::add_merge_input_section): Ditto.
1311         (Output_section::build_relaxation_map): Change to use Section_id
1312         instead of Input_section_specifier as key type.
1313         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1314         Ditto.
1315         (Output_section::convert_input_sections_to_relaxed_sections): Change
1316         to use Const_section_id instead of Input_section_specifier as key type.
1317         (Output_section::find_merge_section): Ditto.
1318         (Output_section::find_relaxed_input_section): Ditto.
1319         * output.h (Input_section_specifier): Remove class.
1320         (Output_section::Output_section_data_by_input_section_map): Change
1321         key type to Const_section_id.
1322         (Output_section::Output_relaxed_input_section_by_input_section_map):
1323         Ditto.
1324         (Output_section::Relaxation_map): Change key type to Section_id.
1325
1326 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1327
1328         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1329         (class Arm_v4bx_stub): New class.
1330         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1331         (Stub_factory::make_arm_v4bx_stub): New method.
1332         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1333         (Stub_table::empty): Handle v4bx stubs.
1334         (Stub_table::add_arm_v4bx_stub): New method.
1335         (Stub_table::find_arm_v4bx_stub): New method.
1336         (Arm_relocate_functions::v4bx): New method.
1337         (Target_arm::fix_v4bx): New method.
1338         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1339         (Stub_table::relocate_stubs): Likewise.
1340         (Stub_table::do_write): Likewise.
1341         (Stub_table::update_data_size_and_addralign): Likewise.
1342         (Stub_table::finalize_stubs):  Likewise.
1343         (Target_arm::Scan::local): Likewise.
1344         (Target_arm::Scan::global): Likewise.
1345         (Target_arm::do_finalize_sections): Likewise.
1346         (Target_arm::Relocate::relocate): Likewise.
1347         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1348         Likewise.
1349         (Target_arm::scan_reloc_for_stub): Likewise.
1350         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1351
1352 2010-01-19  Ian Lance Taylor  <iant@google.com>
1353
1354         * output.cc (Output_section_headers::do_sized_write): Write large
1355         segment count to sh_info field.
1356         (Output_file_header::do_sized_write): For large segment count,
1357         write PN_XNUM to e_phnum field.
1358
1359 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1360
1361         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1362         (Arm_relocate_functions::thm_jump8): New function.
1363         (Arm_relocate_functions::thm_jump11): New function.
1364         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1365         R_ARM_THM_JUMP11.
1366         (Target_arm::Scan::global): Likewise.
1367         (Target_arm::Relocate::relocate): Likewise.
1368         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1369         Likewise.
1370
1371 2010-01-14  Doug Kwan  <dougkwan@google.com>
1372
1373         * arm.cc (map, utility): Include headers.
1374         (Target_arm::apply_cortex_a8_workaround): New method.
1375         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1376         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1377         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1378         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1379         the --[no-]fix-cortex-a8 command line options.
1380         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1381         (Target_arm::relocate_stub): Use addend in instruction template.
1382         * options.h (DEFINE_bool): Set the user-set flag.
1383         (General_options): Add --[no-]-fix-cortex options.
1384         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1385         : Update fast look-up map after conversion. 
1386
1387 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1388
1389         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1390         in the first pass of do_layout.
1391
1392 2010-01-13  Doug Kwan  <dougkwan@google.com>
1393
1394         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1395         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1396         apparent compiler problem of not folding static constant integral
1397         data members of elfcpp::Elf_sizes<32>.
1398
1399 2010-01-13  Doug Kwan  <dougkwan@google.com>
1400
1401         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1402         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1403         Arm_relobj::scan_section_for_cortex_a8_erratum,
1404         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1405         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1406         sections to scan for relocation stubs into a new method
1407         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1408         relocation and Cortex-A8 stub scanning.
1409         (Target_arm::do_relax): Force stubs to be after stubbed sections
1410         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1411         the beginning of a new relaxation pass.  Update a comment. 
1412         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1413
1414 2010-01-12  Ian Lance Taylor  <iant@google.com>
1415
1416         * target-reloc.h (visibility_error): New inline function.
1417         (relocate_section): Call visibility_error.
1418         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1419         (MOSTLYCLEANFILES): Likewise.
1420         (protected_4_pic.o, protected_3.err): New targets.
1421         * testsuite/protected_4.cc: New file.
1422
1423 2010-01-12  Doug Kwan  <dougkwan@google.com>
1424
1425         * arm.cc (Cortex_a8_reloc): New class.
1426         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1427         and cortex_a8_relocs_info_.
1428         (Target_arm::fix_cortex_a8): New method definition.
1429         (Target_arm::Cortex_a8_relocs_info): New type.
1430         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1431         New data member declarations.
1432         (Target_arm::scan_reloc_for_stub): Record information about
1433         relocations for THUMB branches that might be exempted from the
1434         Cortex-A8 workaround.
1435         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1436         at the beginning of a relaxation pass.
1437
1438 2010-01-12  Doug Kwan  <dougkwan@google.com>
1439
1440         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1441         (Arm_relobj::Mapping_symbol_position,
1442          Arm_reloj::Mapping_symbol_position_less,
1443          Arm_relobj::Mapping_symbols_info): New types.
1444         (Target_arm::is_mapping_symbol_name): New method definition.
1445         (Arm_relobj::do_count_local_symbols): Save information about mapping
1446         symbols.
1447
1448 2010-01-11  Doug Kwan  <dougkwan@google.com>
1449
1450         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1451         Arm_relocate_functions::thumb32_branch_upper,
1452         Arm_relocate_functions::thumb32_branch_lower,
1453         Arm_relocate_functions::thumb32_cond_branch_offset,
1454         Arm_relocate_functions::thumb32_cond_branch_upper,
1455         Arm_relocate_functions::thumb32_cond_branch_lower,
1456         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1457         branch offset encoding.
1458         (Arm_relocate_functions::thumb_branch_common): Use new branch
1459         offset encoding methods to avoid code duplication.
1460         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1461         (Stub_addend_reader::operator()): Use new branch encoding method
1462         to avoid code duplication.
1463
1464 2010-01-11  Doug Kwan  <dougkwan@google.com>
1465
1466         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1467         (Target_arm::do_finalize_sections): Define special EXIDX section
1468         symbols only if referenced.
1469         * gc.h (Garbage_collection::add_reference): New method.
1470         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1471         code duplication.
1472
1473 2010-01-11  Ian Lance Taylor  <iant@google.com>
1474
1475         * script.cc (Version_script_info::build_expression_list_lookup):
1476         Change complaing about duplicate wildcard match from error to
1477         warning.
1478
1479         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1480         of 2009-12-30.
1481         (Version_script_info::Version_script_info): Initialize globs_,
1482         default_version_, default_is_global_, and exact_.  Don't
1483         initialize globals_ or locals_.
1484         (Version_script_info::build_lookup_tables): Build local symbols
1485         first.
1486         (Version_script_info::unquote): New function.
1487         (Version_script_info::add_exact_match): New function.
1488         (Version_script_info::build_expression_list_lookup): Remove lookup
1489         parameter.  Add is_global parameter.  Change all callers.  Handle
1490         wildcard pattern specially.  Unquote pattern.  Call
1491         add_exact_match.
1492         (Version_script_info::get_name_to_match): New function.
1493         (Version_script_info::get_symbol_version): New function.
1494         (Version_script_info::get_symbol_version_helper): Remove.
1495         (Version_script_info::check_unmatched_names): Call unquote.
1496         * script.h (class Version_script_info): Change get_symbol_version
1497         to be non-inline and add is_global parameter; change all callers.
1498         Rewrite symbol_is_local.  Update declarations.  Define struct
1499         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1500         Remove globals_ and locals_ members.  Add exact_, globs_,
1501         default_version_, is_global_.
1502         (Version_script_info::Glob): Remove pattern, add expression and
1503         is_global.  Update constructor.  Change all callers.
1504         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1505         default version.
1506         (Versions::symbol_section_contents): If a symbol is undefined, or
1507         defined in a dynamic object, set the version index to
1508         VER_NDX_LOCAL.
1509         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1510         symbol_is_local.
1511         (Symbol_table::add_from_pluginobj): Likewise.
1512         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1513
1514 2010-01-11  Doug Kwan  <dougkwan@google.com>
1515
1516         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1517         (incremental_dump_LDADD): Add linking option for libintl.
1518         * Makefile.in: Regenerate.
1519
1520 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1521
1522         PR gold/11144
1523         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1524         instead of -Ds.
1525         * testsuite/Makefile.in: Regenerated.
1526
1527 2010-01-10  Doug Kwan  <dougkwan@google.com>
1528
1529         * options.h (DEFINE_var): Use parentheses around argument varname__
1530         in macro body to avoid any unintended subsequent substitutions.
1531
1532 2010-01-10  Ian Lance Taylor  <iant@google.com>
1533
1534         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1535         candidates before doing symbol resolution.
1536
1537         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1538         ODR candidates if only one is weak.
1539
1540 2010-01-08  Ian Lance Taylor  <iant@google.com>
1541
1542         * script.cc (Version_script_info::build_expression_list_lookup):
1543         Don't warn about ambiguous version, just record the ambiguity.
1544         (Version_script_info::get_symbol_version_helper): Give error if
1545         version is ambiguous.
1546
1547 2010-01-08  Doug Kwan  <dougkwan@google.com>
1548
1549         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1550           prev_data_size_ and prev_addralign_.  Remove initializer for
1551           deleted data member has_been_changed_.
1552           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1553           to determine if the table is empty.
1554           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1555           Remove.
1556           (Stub_table::add_reloc_stub): Define method in class definition
1557           instead of just declaring it there.
1558           (Stub_table::add_cortex_a8_stub): New method definition.
1559           (Stub_table::update_data_size_and_addralign): Ditto.
1560           (Stub_table::finalize_stubs): Ditto.
1561           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1562           (Stub_table::do_addralign_): Return address alignment in the
1563           (Stub_table::do_reset_address_and_file_offset): Define method in
1564           class definition instead of declaring it there.  Set current data
1565           size to be the data size of the previous pass.
1566           (Stub_table::set_final_data_size): Use current data size as the
1567           final data size.
1568           (Stub_table::relocate_stub): Change parameter type of stub from
1569           Reloc_stub pointer to Stub pointer.
1570           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1571           (Stub_table::Cortex_a8_stub_list): New typedef.
1572           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1573            Stub_table::prev_addralign_): New data member.
1574           (Arm_relobj::Arm_relobj): Initialize data member
1575           section_has_cortex_a8_workaround_.
1576           (Arm_relobj::section_has_cortex_a8_workaround,
1577            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1578            definitions.
1579           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1580           declarations.
1581           (Target_arm::relocate_stub): Change parameter type of stub from
1582           Reloc_stub pointer to Stub pointer.
1583           (Insn_template::size, Insn_template::alignment): Handle
1584           THUMB16_SPECIAL_TYPE.
1585           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1586            Stub_table::update_data_size_and_addralign,
1587            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1588           definitions.
1589           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1590           (Stub_table::do_write): Ditto.
1591           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1592
1593 2010-01-08  Ian Lance Taylor  <iant@google.com>
1594
1595         PR 11108
1596         * symtab.h (class Symbol): Remove fields is_target_special_ and
1597         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1598         (Symbol::is_defined_in_discarded_section): New function.
1599         (Symbol::set_is_defined_in_discarded_section): New function.
1600         (Symbol::has_plt_offset): Rewrite.
1601         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1602         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1603         Don't initialize is_target_special_ or has_plt_offset_.
1604         Initialize is_defined_in_discarded_section_.
1605         (Symbol_table::add_from_relobj): If appropriate, set
1606         is_defined_in_discarded_section.
1607         * resolve.cc (Symbol::override_base_with_special): Don't test
1608         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1609         * target-reloc.h (relocate_section): Do special handling for
1610         symbols defined in discarded sections for global symbols as well
1611         as local symbols.
1612
1613 2010-01-08  Ian Lance Taylor  <iant@google.com>
1614
1615         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1616         the SHT_SYMTAB case.
1617
1618 2010-01-08  Ian Lance Taylor  <iant@google.com>
1619
1620         * object.cc (Sized_relobj::do_layout): Don't get confused if
1621         layout_eh_frame returns NULL.
1622
1623 2010-01-08  Ian Lance Taylor  <iant@google.com>
1624
1625         PR 11084
1626         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1627         dynamic symbol table, use the normal symbol table.
1628         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1629         symbol table.
1630
1631 2010-01-08  Ian Lance Taylor  <iant@google.com>
1632
1633         PR 11072
1634         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1635         sections.
1636
1637 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1638
1639         * version.cc (print_version): Change to "Copyright 2010".
1640
1641 2010-01-08  Ian Lance Taylor  <iant@google.com>
1642
1643         PR 10287
1644         PR 11063
1645         * i386.cc (class Target_i386): Change return type of plt_section
1646         to be non-const.
1647         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1648         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1649         tls_desc_rel_ field.
1650         (Output_data_plt_i386::rel_tls_desc): New function.
1651         (Target_i386::rel_tls_desc_section): New function.
1652         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1653         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1654         R_386_TLS_DESC reloc in rel_tls_desc_section.
1655         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1656         Define struct Tlsdesc_info.
1657         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1658         (Target_x86_64::do_reloc_symbol_index): New function.
1659         (Target_x86_64::add_tlsdesc_info): New function.
1660         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1661         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1662         tlsdesc_rel_ field.
1663         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1664         all callers.
1665         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1666         (Target_x86_64::rela_tlsdesc_section): New function.
1667         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1668         handling.
1669         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1670         (Target_x86_64::do_reloc_addend): New function.
1671         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1672         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1673         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1674         (Output_reloc::type): New function.
1675         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1676         (Output_reloc::is_target_specific): New function.
1677         (Output_reloc::target_arg): New function.
1678         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1679         absolute relocs and target specific relocs.
1680         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1681         add_target_specific.
1682         (class Output_data_reloc) [SHT_RELA]: Likewise.
1683         * output.cc (Output_reloc::Output_reloc): Add four new versions
1684         for absolute relocs and target specific relocs.
1685         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1686         (Output_reloc::get_symbol_index): Likewise.
1687         (Output_reloc::local_section_offset): Check that local_sym_index_
1688         is not TARGET_CODE or 0.
1689         (Output_reloc::symbol_value): Likewise.
1690         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1691         reloc.
1692         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1693         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1694         functions.
1695         * layout.cc (add_target_dynamic_tags): Use output section for
1696         DT_PLTRELSZ and DT_JMPREL.
1697
1698 2010-01-07  Ian Lance Taylor  <iant@google.com>
1699
1700         PR 11061
1701         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1702         function.
1703         (class Output_data_reloc_generic): Define.
1704         (class Output_data_reloc_base): Change base class to
1705         Output_data_reloc_generic.  Change add() method to call
1706         bump_relative_reloc_count for a relative reloc.  Remove
1707         sort_relocs_ field.
1708         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1709         to sort_relocs().
1710         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1711         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1712         appropriate.
1713         * layout.h (class Layout): Update declaration.
1714
1715 2010-01-07  Ian Lance Taylor  <iant@google.com>
1716
1717         * output.h (class Output_data): Add const version of
1718         output_section and do_output_section.
1719         (class Output_section_data): Add const version of
1720         do_output_section.
1721         (class Output_section): Likewise.
1722         * layout.cc (Layout::add_target_dynamic_tags): New function.
1723         * layout.h (class Layout): Update declarations.
1724         * arm.cc (Target_arm::do_finalize_sections): Use
1725         add_target_dynamic_tags.
1726         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1727         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1728         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1729         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1730
1731 2010-01-07  Ian Lance Taylor  <iant@google.com>
1732
1733         PR 11042
1734         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1735         object as needed.
1736
1737 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1738             Ian Lance Taylor  <iant@google.com>
1739
1740         PR 11019
1741         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1742         Xindex::read_symtab_xindex.
1743
1744 2010-01-07  Doug Kwan  <dougkwan@google.com>
1745
1746         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1747         (Insn_template::thumb16_bcond_insn): New method declaration.
1748         (Insn_template): Fix spelling.
1749         (Stub::thumb16_special): New method declaration.
1750         (Stub::do_write): Define virtual method which was previously pure
1751         virtual.
1752         (Stub::do_thumb16_special): New method declaration.
1753         (Stub::do_fixed_endian_write): New template member.
1754         (Reloc_stub::do_write): Remove.
1755         (Reloc_stub::do_fixed_endian_write): Remove.
1756         (Cortex_a8_stub): New class definition.
1757         (Stub_factory::make_cortex_a8_stub): New method definition.
1758         (Stub_factory::Stub_factory): Add missing static storage class
1759         qualifier for elf32_arm_stub_a8_veneer_blx.
1760
1761 2010-01-07  Ian Lance Taylor  <iant@google.com>
1762
1763         PR 10980
1764         * options.h (class General_options): Add --warn-unresolved-symbols
1765         and --error-unresolved-symbols.
1766         * errors.cc (Errors::undefined_symbol): Implement
1767         --warn-unresolved-symbols.
1768
1769         * options.h (class General_options): Add -z text and -z textoff.
1770         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1771
1772 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1773
1774         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1775         (Garbage_collection::cident_sections): New function.
1776         (Garbage_collection::add_cident_section): New function.
1777         (Garbage_collection::cident_sections_): New member.
1778         (gc_process_relocs): Add references to sections whose names are C
1779         identifiers.
1780         * gold.h (cident_section_start_prefix): New constant.
1781         (cident_section_stop_prefix): New constant.
1782         (is_cident): New function.
1783         * layout.cc (Layout::define_section_symbols): Replace string constants
1784         with the newly defined constants.
1785         * object.cc (Sized_relobj::do_layout): Track sections whose names are
1786         C identifiers.
1787         * testsuite/Makefile.am: Add gc_orphan_section_test.
1788         * testsuite/Makefile.in: Regenerate.
1789         * testsuite/gc_orphan_section_test.cc: New file.
1790         * testsuite/gc_orphan_section_test.sh: New file.
1791
1792 2010-01-06  Ian Lance Taylor  <iant@google.com>
1793
1794         PR 10980
1795         * options.h (class General_options): Add --warn-shared-textrel.
1796         * layout.cc (Layout::finish_dynamic_section): Implement
1797         --warn-shared-textrel.
1798
1799         PR 10980
1800         * options.h (class General_options): Add --warn-multiple-gp.
1801
1802 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1803
1804         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1805         $(THREADSLIB) and $(LIBDL).
1806         * Makefile.in: Rebuild.
1807
1808 2010-01-06  Ian Lance Taylor  <iant@google.com>
1809
1810         PR 10980
1811         * options.cc (General_options::parse_section_start): New function.
1812         (General_options::section_start): New function.
1813         (General_options::General_options): Initialize all members.
1814         * options.h: Include <map>
1815         (class General_options): Add --section-start.  Add section_starts_
1816         member.
1817         * layout.cc (Layout::attach_allocated_section_to_segment): If
1818         --section-start was used, set the address of the segment.  Remove
1819         local sort_sections.
1820         (Layout::relaxation_loop_body): If the address of the load segment
1821         has been set by --section-start, don't use it.
1822         * output.h (Output_segment::update_flags_for_output_section): New
1823         function.
1824         * output.cc (Output_segment::add_output_section): Call
1825         update_flags_for_output_section.
1826
1827 2010-01-05  Ian Lance Taylor  <iant@google.com>
1828
1829         PR 10980
1830         * options.h (class General_options): Add --undefined-version.
1831         * script.cc (struct Version_expression): Add was_matched_by_symbol
1832         field.
1833         (Version_script_info::matched_symbol): New function.
1834         (Version_script_info::get_symbol_version_helper): Call
1835         matched_symbol.
1836         (Version_script_info::check_unmatched_names): New function.
1837         * script.h (class Version_script_info): Update declarations.
1838         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1839
1840         * options.h (class General_options): Use DEFINE_bool_alias for
1841         allow_multiple_definition.
1842         * resolve.cc (Symbol_table::should_override): Don't test
1843         allow_multiple_definition.
1844
1845         PR 10980
1846         * options.h (class General_options): Add --cref.
1847         * main.cc (main): Print cref table if --cref.  Don't close mapfile
1848         until after printing cref table.
1849         * cref.cc: Include "symtab.h".
1850         (class Cref_inputs): Define Cref_table_compare and Cref_table.
1851         (Cref_table_compare::operator()): New function.
1852         (Cref_inputs::gather_cref): New function.
1853         (filecol): New static const.
1854         (Cref_inputs::print_cref): New function.
1855         (Cref::print_cref): New function.
1856         * cref.h: Include <cstdio>.
1857         (class Cref): Update declarations.
1858         * mapfile.h (Mapfile::file): New function.
1859         * object.h (class Object): Define Symbols.  Declare virtual
1860         do_get_global_symbols.
1861         (Object::get_global_symbols): New function.
1862         * object.cc (Input_objects::add_object): Pass object to cref_ if
1863         --cref.
1864         (Input_objects::archive_start): Likewise.
1865         (Input_objects::archive_stop): Likewise.
1866         (Input_objects::print_cref): New function.
1867         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1868         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1869         --cref.
1870         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1871         function.
1872         * plugin.h (class Sized_pluginobj): Update declarations.
1873
1874 2010-01-05  Ian Lance Taylor  <iant@google.com>
1875
1876         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1877         to is_default_version.  Rename insdef to insdefault.
1878         (Symbol_table::add_from_relobj): Rename def to is_default_version
1879         and local to is_forced_local.
1880         (Symbol_table::add_from_pluginobj): Likewise.
1881         (Symbol_table::add_from_dynobj): Likewise.
1882         (Symbol_table::define_special_symbol): Rename insdef to
1883         insdefault.
1884
1885 2010-01-04  Ian Lance Taylor  <iant@google.com>
1886
1887         PR 10980
1888         * options.h (class General_options): Add
1889         --allow-multiple-definition and -z muldefs.
1890         * resolve.cc (Symbol_table::should_override): Don't warn about a
1891         multiple symbol definition if --allow-multiple-definition or -z
1892         muldefs.
1893
1894         PR 10980
1895         * options.h (class General_options): Add --add-needed and
1896         --copy-dt-needed-entries.  Tweak --as-needed help entry.
1897         * object.cc (Input_objects::check_dynamic_dependencies): Give an
1898         error if --copy-dt-needed-entries aka --add-needed is used and
1899         would cause a change in behaviour.
1900
1901         PR 10980
1902         * options.h (class General_options): Add -G as a short version of
1903         --shared.  Add no-op options -assert, -g, and -i.
1904
1905 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
1906
1907         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1908         check for .text or .gnu.linkonce.t sections.
1909         * icf.cc (Icf::find_identical_sections): Ditto.
1910         Change the detection for mangled function name within the section
1911         name.
1912         * icf.h (is_section_foldable_candidate): New function.
1913
1914 2009-12-30  Ian Lance Taylor  <iant@google.com>
1915
1916         PR 10980
1917         * options.h (class General_options): Permit two dashes with
1918         --retain-symbols-file.
1919
1920 2009-12-30  Ian Lance Taylor  <iant@google.com>
1921
1922         PR 10979
1923         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1924         don't put the file header and segment headers in the text
1925         segment.
1926
1927         PR 10979
1928         * common.cc (Sort_commons::operator()): Stabilize sort when both
1929         entries are NULL.
1930         (Symbol_table::do_allocate_commons_list): When allocating common
1931         symbols, skip a symbol which is no longer common.
1932         * symtab.h (Symbol::is_common): Test whether the symbol comes from
1933         an object before checking its type.
1934         * testsuite/common_test_2.c: New file.
1935         * testsuite/common_test_3.c: New file.
1936         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1937         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1938         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1939         (common_test_2_pic.o, common_test_2.so): New targets.
1940         (common_test_3_pic.o, common_test_3.so): New targets.
1941         * testsuite/Makefile.in: Rebuild.
1942
1943         PR 10979
1944         * script.cc (read_input_script): If we see a new SECTIONS clause,
1945         and we have added an input section, give an error.
1946         * layout.h (class Layout): Add have_added_input_section function.
1947         Add have_added_input_section_ field.
1948         * layout.cc (Layout::Layout): Initialize
1949         have_added_input_section_.
1950         (Layout::layout): Set have_added_input_section_.
1951         (Layout::layout_eh_frame): Likewise.
1952
1953 2009-12-30  Ian Lance Taylor  <iant@google.com>
1954
1955         PR 10931
1956         * options.h (class General_options): Add --sort-common option.
1957         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1958         * common.cc (Sort_common): Add sort_order parameter to
1959         constructor.  Add sort_order_ field.
1960         (Sort_commons::operator): Check sort_order_.
1961         (Symbol_table::allocate_commons): Determine the sort order.
1962         (Symbol_table::do_allocate_commons): Add sort_order parameter.
1963         Change all callers.
1964         (Symbol_table::do_allocate_commons_list): Likewise.
1965
1966 2009-12-30  Ian Lance Taylor  <iant@google.com>
1967
1968         PR 10916
1969         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1970         symbols from this object, don't change the visibility of an
1971         undefined symbol.
1972         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1973
1974 2009-12-30  Ian Lance Taylor  <iant@google.com>
1975
1976         PR 10861
1977         * script.h (class Version_script_info): Define Language enum.
1978         Update declarations.  Define Glob, Exact, and Lookup types.  Add
1979         new fields globals_, locals_, and is_finalized_.
1980         * script.cc: Various formatting fixes.
1981         (class Parser_closure): Change language_stack_ from a vector of
1982         std::string to one of Version_script_info::Language.  Adjust all
1983         uses accordingly.
1984         (class Lazy_demangler): Remove.
1985         (struct Version_expression): Change language from std::string to
1986         Version_script_info::Language.
1987         (Version_script_info::Version_script_info): New function.
1988         (Version_script_info::~Version_script_info): Don't call clear.
1989         (Version_script_info::finalize): New function.
1990         (Version_script_info::build_lookup_tables): New function.
1991         (Version_script_info::build_expression_list_lookup): New
1992         function.
1993         (Version_script_info::get_symbol_version_helper): Rewrite to use
1994         lookup tables.
1995         (Version_script_info::print_expression_list): Adjust to use
1996         Version_script_info::Language.
1997         (script_push_lex_into_version_mode): Check that the version script
1998         has not been finalized.
1999         (version_script_push_lang): Change language string to
2000         Version_script_info::Language.
2001         * options.cc (Command_line::version_script): New function.
2002         * options.h (class General_options): Add finalize_dynamic_list
2003         function.  Change version_script from declaration to definition.
2004         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2005         * testsuite/version_script.map: Remove duplicate def of foo.
2006         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2007         version_script.map.
2008         * testsuite/Makefile.in: Rebuild.
2009
2010 2009-12-30  Ian Lance Taylor  <iant@google.com>
2011
2012         PR 10843
2013         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2014         if the input symbol index is 0, make the output symbol index 0.
2015
2016 2009-12-30  Ian Lance Taylor  <iant@google.com>
2017
2018         PR 10670
2019         * options.h (class General_options): Add -x/--discard-all.
2020         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2021         --discard-all.  If the local symbol needs a dynamic entry, check
2022         that before handling --discard-locals.
2023
2024 2009-12-30  Ian Lance Taylor  <iant@google.com>
2025
2026         PR 10450
2027         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2028         flags to PF_R.
2029         (Output_segment::add_output_section): Don't change the flags if
2030         the type is PT_TLS.
2031
2032         PR 10450
2033         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2034         GNU hash table if they need a dynamic value.  Otherwise, don't add
2035         them if they are defined in a dynamic object or are forced local.
2036
2037 2009-12-29  Ian Lance Taylor  <iant@google.com>
2038
2039         PR 10450
2040         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2041         .gnu.hash table for a 32-bit target.
2042
2043         PR 10450
2044         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2045         regular and a dynamic object only needs a dynamic symbol table
2046         entry if it is externally visible.
2047
2048         PR 10450
2049         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2050         constructor.  Add global_offset_table_ field.
2051         (Target_i386::got_section): Set global_offset_table_.
2052         (Target_i386::do_finalize_sections): Set global_offset_table_
2053         size.
2054         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2055         in constructor.  Add global_offset_table_ field.
2056         (Target_x86_64::got_section): Set global_offset_table_.
2057         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2058         size.
2059
2060         * layout.cc (Layout::Layout): Initialize increase_relro_.
2061         (Layout::get_output_section): Add is_relro, is_last_relro, and
2062         is_first_non_relro parameters.  Change all callers.
2063         (Layout::choose_output_section): Likewise.
2064         (Layout::add_output_section_data): Likewise.
2065         (Layout::make_output_section): Likewise.
2066         (Layout::set_segment_offsets): Clear increase_relro when using a
2067         linker script.
2068         * layout.h (class Layout): Add increase_relro method.  Add
2069         increase_relro_ field.  Update declarations.
2070         * output.cc (Output_section::Output_section): Initialize
2071         is_last_relro_ and is_first_non_relro_.
2072         (Output_segment::add_output_section): Group relro sections is
2073         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2074         (Output_segment::maximum_alignment): Remove relro handling.
2075         (Output_segment::set_section_addresses): Add increase_relro
2076         parameter.  Change all callers.  Add initial alignment to align
2077         relro sections on separate page.  Remove old relro handling.
2078         (Output_segment::set_section_list_addresses): Remove in_relro
2079         parameter.  Change all callers.
2080         (Output_segment::set_offset): Add increase parameter.  Change all
2081         callers.  Remove old relro handling.
2082         * output.h (class Output_section): Add new methods: is_last_relro,
2083         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2084         Add is_last_relro_ and is_first_non_relro_ fields.
2085         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2086         Create separate .got.plt section.  Call increase_relro.
2087         * x86_64.cc (Target_x86_64::got_section): Likewise.
2088         * testsuite/relro_script_test.t: Add .got.plt.
2089
2090         PR 10450
2091         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2092         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2093         (Layout::finalize): Call set_dynamic_symbol_size.
2094         (Layout::set_dynamic_symbol_size): New function.
2095         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2096         set_dynamic_symbol_size.
2097
2098         PR 10450
2099         * output.h (class Output_section): Add is_entsize_zero_ field.
2100         * output.cc (Output_section::Output_section): Initialize
2101         is_entsize_zero_.
2102         (Output_section::set_entsize): If two different entsizes are
2103         requested, force it to zero.
2104         (Output_section::add_input_section): Set flags for .debug_str
2105         before updating section flags.  Set entsize.
2106         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2107         and SHF_STRING if all input sections have those flags.
2108
2109 2009-12-29   Rafael Espindola  <espindola@google.com>
2110
2111         * main.cc (main): Fix the sys time reporting.
2112         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2113         reporting.
2114
2115 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2116
2117         * options.cc (General_options::parse_version): Allow -v to exit
2118         without an error if there is nothing to link.
2119
2120 2009-12-29  Ian Lance Taylor  <iant@google.com>
2121
2122         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2123         using a version of gcc before 4.1.
2124         * configure: Rebuild.
2125
2126 2009-12-28  Chris Demetriou  <cgd@google.com>
2127
2128         * attributes.cc (Output_attributes_section_data::do_write): Use
2129         std::vector::front rather than std::vector::data.
2130
2131 2009-12-28  Ian Lance Taylor  <iant@google.com>
2132
2133         * symtab.h (class Symbol_table): Add enum Defined.
2134         * resolve.cc (Symbol_table::should_override): Add defined
2135         parameter.  Change all callers.  Test whether object is NULL
2136         before calling a method on it.
2137         (Symbol_table::report_resolve_problem): Add defined parameter.
2138         Change all callers.
2139         (Symbol_table::should_override_with_special): Likewise.
2140         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2141         parameter.  Change all callers.
2142         (Symbol_table::do_define_in_output_data): Likewise.
2143         (Symbol_table::define_in_output_segment): Likewise.
2144         (Symbol_table::do_define_in_output_segment): Likewise.
2145         (Symbol_table::define_as_constant): Likewise.
2146         (Symbol_table::do_define_as_constant): Likewise.
2147         * script.h (class Symbol_assignment): Add is_defsym parameter to
2148         constructor; change all callers.
2149         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2150         parameter.  Change all callers.  Add is_defsym_ field.
2151         (class Parser_closure): Add parsing_defsym parameter to
2152         constructor; change all callers.  Add parsing_defsym accessor
2153         function.  Add parsing_defsym_ field.
2154
2155 2009-12-28  Ian Lance Taylor  <iant@google.com>
2156
2157         * gold.cc (queue_middle_tasks): Fix formatting.
2158         * object.cc (Relobj::is_section_name_included): Likewise.
2159
2160 2009-12-23  Ian Lance Taylor  <iant@google.com>
2161
2162         * i386.cc (Target_i386::do_calls_non_split): Recognize
2163         -fsplit-stack prologue for a function with a static chain.
2164         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2165         -fsplit-stack prologue when using %r11.
2166
2167 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2168
2169         * options.cc (General_options::parse_version): Make -v continue and do
2170         the link like GNU ld does.
2171
2172 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2173
2174         * Makefile.am (CCFILES): Add timer.cc.
2175         (HFILES): Add timer.h.
2176         * configure.ac: Check for sysconf and times.
2177         * main.cc: include timer.h.
2178         (main): Use Timer instead of get_run_time.
2179         * timer.cc: New.
2180         * timer.h: New.
2181         * workqueue.cc: include timer.h.
2182         (Workqueue::find_and_run_task):
2183         Report user, sys and wall time.
2184         * Makefile.in: Regenerate.
2185         * config.in: Regenerate.
2186         * configure: Regenerate.
2187
2188 2009-12-16  Doug Kwan  <dougkwan@google.com>
2189
2190         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2191         sections.
2192         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2193         relaxed input sections.
2194         * output.cc (Output_section::find_relaxed_input_section): Change
2195         return type to Output_relaxed_input_section pointer.  Adjust code
2196         for new type of relaxed_input_section_map_.
2197         * output.h (Output_section::find_relaxed_input_section): Change
2198         return type to Output_relaxed_input_section pointer.
2199         (Output_section::Output_relaxed_input_section_by_input_section_map):
2200         New type.
2201         (Output_section::relaxed_input_section_map_): Change type to
2202         Output_section::Output_relaxed_input_section_by_input_section_map.
2203         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2204         input section.
2205
2206 2009-12-15  Ian Lance Taylor  <iant@google.com>
2207
2208         * layout.cc (Layout::create_shstrtab): Only write out after input
2209         sections if we are compressing debug sections.
2210
2211 2009-12-15  Ian Lance Taylor  <iant@google.com>
2212
2213         * archive.cc (Archive::add_symbols): Only look up a symbol without
2214         a version if there is, in fact, a version.
2215
2216 2009-12-14  Ian Lance Taylor  <iant@google.com>
2217
2218         Revert -Wshadow changes, all changes from:
2219         2009-12-11  Doug Kwan  <dougkwan@google.com>
2220         2009-12-11  Nick Clifton  <nickc@redhat.com>
2221         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2222
2223 2009-12-11  Doug Kwan  <dougkwan@google.com>
2224
2225         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2226         due to -Wshadow.
2227         * attributes.cc (Object_attribute::size): Ditto.
2228         (Attributes_section_data::size): Ditto.
2229         (Attributes_section_data::Attributes_section_data): Ditto.
2230         (Output_attributes_section_data::do_write): Ditto.
2231         * attributes.h (Object_attribute::set_type): Ditto.
2232         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2233
2234 2009-12-11  Nick Clifton  <nickc@redhat.com>
2235
2236         * archive.cc: Fix shadowed variable warnings.
2237         * arm.cc: Likewise.
2238         * compressed_output.cc: Likewise.
2239         * compressed_output.h: Likewise.
2240         * configure: Likewise.
2241         * dwarf_reader.cc: Likewise.
2242         * dynobj.cc: Likewise.
2243         * dynobj.h: Likewise.
2244         * ehframe.cc: Likewise.
2245         * ehframe.h: Likewise.
2246         * errors.cc: Likewise.
2247         * expression.cc: Likewise.
2248         * fileread.cc: Likewise.
2249         * fileread.h: Likewise.
2250         * freebsd.h: Likewise.
2251         * i386.cc: Likewise.
2252         * icf.cc: Likewise.
2253         * incremental.h: Likewise.
2254         * layout.cc: Likewise.
2255         * layout.h: Likewise.
2256         * mapfile.cc: Likewise.
2257         * merge.cc: Likewise.
2258         * merge.h: Likewise.
2259         * object.cc: Likewise.
2260         * object.h: Likewise.
2261         * options.h: Likewise.
2262         * output.cc: Likewise.
2263         * output.h: Likewise.
2264         * parameters.cc: Likewise.
2265         * plugin.cc: Likewise.
2266         * powerpc.cc: Likewise.
2267         * reduced_debug_output.cc: Likewise.
2268         * reduced_debug_output.h: Likewise.
2269         * reloc.cc: Likewise.
2270         * reloc.h: Likewise.
2271         * resolve.cc: Likewise.
2272         * script-sections.cc: Likewise.
2273         * script.cc: Likewise.
2274         * script.h: Likewise.
2275         * sparc.cc: Likewise.
2276         * symtab.cc: Likewise.
2277         * symtab.h: Likewise.
2278         * target-select.cc: Likewise.
2279         * target-select.h: Likewise.
2280         * token.h: Likewise.
2281         * workqueue.cc: Likewise.
2282         * workqueue.h: Likewise.
2283         * x86_64.cc: Likewise.
2284
2285 2009-12-10  Doug Kwan  <dougkwan@google.com>
2286
2287         * arm.cc (attributes.h): New include.
2288         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2289         (Arm_relobj::~Arm_relobj): Delete object pointed by
2290         attributes_section_data_.
2291         (Arm_relobj::attributes_section_data): New method definition.
2292         (Arm_relobj::attributes_section_data_): New data member declaration.
2293         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2294         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2295         attributes_section_data_.
2296         (Arm_dynobj::attributes_section_data): New method definition.
2297         (Arm_dynobj::attributes_section_data_): New data member declaration.
2298         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2299         initialization value of may_use_blx_ to false.
2300         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2301         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2302         object attributes to compute results instead of hard-coding.
2303         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2304         Target_arm::get_secondary_compatible_arch,
2305         Target_arm::set_secondary_compatible_arch
2306         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2307         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2308         New method declarations.
2309         (Target_arm::get_aeabi_object_attribute): New method definition.
2310         (Target_arm::attributes_section_data_): New data member declaration.
2311         (read_arm_attributes_section): New template definition.
2312         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2313         (Arm_dynobj::do_read_symbols): Ditto.
2314         (Target_arm::do_finalize_sections): Merge attributes sections from
2315         input.  Check for BLX use after attributes section merging.
2316         Fix __exidx_start and __exidx_end visibility.  Create an
2317         .ARM.attributes section if necessary.
2318         (Target_arm::get_secondary_compatible_arch,
2319         Target_arm::set_secondary_compatible_arch,
2320         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2321         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2322         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2323         New method definitions.
2324
2325 2009-12-09  Ian Lance Taylor  <iant@google.com>
2326
2327         * plugin.cc (Plugin::load): Don't cast from void* to a function
2328         pointer.
2329
2330 2009-12-09  Ian Lance Taylor  <iant@google.com>
2331
2332         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2333         information fields.
2334
2335 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2336
2337         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2338         Replace two_file_shared_1.so with two_file_shared_2.so.
2339         * testsuite/Makefile.in: Regenerated.
2340
2341 2009-12-08  Doug Kwan  <dougkwan@google.com>
2342
2343         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2344         (HFILES): Add attributes.h and int_encoding.h.
2345         * Makefile.in: Regenerate.
2346         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2347         function definitions to int_encoding.cc
2348         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2349         prototypes to int_encoding.h
2350         * reduced_debug_output.cc (int_encoding.h): New include.
2351         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2352         function definitions to int_encoding.cc
2353         (insert_into_vector, read_from_pointer): Move template definitions to
2354         int_encoding.h
2355         * attributes.cc: New file.
2356         * attributes.h: New file.
2357         * int_encoding.cc: New file.
2358         * int_encoding.h: New file.
2359
2360 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2361
2362         PR gold/11055
2363         * incremental-dump.cc (dump_incremental_inputs): New.
2364         (main): Use dump_incremental_inputs.
2365
2366 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2367
2368         PR gold/10893
2369         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2370         checking elfcpp::STT_FUNC.
2371         (Target_i386::Relocate::relocate): Likewise.
2372         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2373
2374         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2375         symbols from shared libraries into normal FUNC symbols.
2376
2377         * symtab.h (Symbol): Add is_func and use it.
2378
2379 2009-12-05  Doug Kwan  <dougkwan@google.com>
2380
2381         * arm.cc (Target_arm::arm_info): Initialize new fields
2382         attributes_section and attributes_vendor.
2383         * i386.cc (Target_i386::i386_info): Same.
2384         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2385         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2386         fields attributes_section and attributes_vendor.
2387         * sparc.cc (Target_sparc::sparc_info): Same.
2388         * target.h (Target::attributes_section, Target::attributes_vendor,
2389         Target::is_attributes_section, Target::attribute_arg_type,
2390         Target::attributes_order): New method definitions.
2391         (Target::Target_info::attributes_section,
2392         Target::Target_info::attributes_vendor): New fields.
2393         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2394         virtual method definitions.
2395         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2396         attributes_section and attributes_vendor.
2397         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2398
2399 2009-12-05  Doug Kwan  <dougkwan@google.com>
2400
2401         * arm.cc: Update comments about interworking and stub generation.
2402         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2403         considered as non-PIC.
2404         (Arm_relocate_functions::base_abs): Fix formatting.
2405         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2406         of function to use GOT entry address instead of offset.
2407         (Target_arm::Scan::global): Issue an error if a symbol would need a
2408         PLT does not get one because it is untyped.  Remove code to create
2409         dynamic symbols for relative branches.
2410         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2411         takes unsigned integer instead of boolean.
2412
2413 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2414
2415         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2416         (two_file_test_LDADD): Likewise.
2417         (common_test_1_LDADD): Likewise.
2418         (exception_test_LDADD) Likewise.
2419         (weak_test_LDADD): Likewise.
2420         (many_sections_test_LDADD): Likewise.
2421         (initpri1_LDADD): Likewise.
2422         (script_test_1_LDADD): Likewise.
2423         (script_test_2_LDADD): Likewise.
2424         (justsyms_LDADD): Likewise.
2425         (binary_test_LDADD): Likewise.
2426         (large_LDADD): Likewise.
2427         * testsuite/Makefile.in: Regenerated.
2428
2429 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2430
2431         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2432         (Symbol_table::override_with_special): Likewise.
2433         (Symbol_table::add_from_object): Likewise.
2434
2435 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2436
2437         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2438         Don't set the data_offset twice.
2439
2440 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2441
2442         * testsuite/Makefile.in: Regenerate.
2443
2444 2009-12-03  Doug Kwan  <dougkwan@google.com>
2445
2446         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2447         (Target_arm::do_finalize_sections): Add parameter for symbol table
2448         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2449         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2450         parameter for symbol table pointer.
2451         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2452         an additional parameter for a pointer to symbol table.
2453         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2454         parameter for a symbol table pointer.
2455         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2456         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2457         Ditto.
2458         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2459         parameter for a symbol table pointer.
2460
2461 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2462
2463         * incremental.cc (Incremental_inputs_header)
2464         (Incremental_inputs_header_write, Incremental_inputs_entry)
2465         (Incremental_inputs_entry_write): Move ...
2466         * incremental.h (Incremental_inputs_header)
2467         (Incremental_inputs_header_write, Incremental_inputs_entry)
2468         (Incremental_inputs_entry_write): here.
2469
2470 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2471
2472         * incremental.cc (make_sized_incremental_binary): Set the target.
2473         Error if it is incompatible.
2474         * output.h (Output_file): Add filename method.
2475
2476 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2477
2478         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2479         from the get_* methods.
2480
2481 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2482
2483         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2484         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2485         Write 0 for the data_offset of scripts.
2486
2487 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2488
2489         * testsuite/Makefile.am: Add the incremental_test.sh test.
2490         * testsuite/incremental_test.sh: New.
2491         * testsuite/incremental_test_1.c: New.
2492         * testsuite/incremental_test_2.c: New.
2493
2494 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2495
2496        * incremental-dump.cc (main): Fix typos.
2497
2498 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2499
2500         PR gold/11025
2501         * incremental-dump.cc (main): Use llu to print 64 bit values.
2502
2503 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2504             H.J. Lu  <hongjiu.lu@intel.com>
2505
2506         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2507         $(LIBDL).
2508         (incremental_dump_LDADD): Likewise.
2509         * Makefile.in: Regenerated.
2510
2511 2009-11-25  Doug Kwan  <dougkwan@google.com>
2512         
2513         Revert:
2514
2515         2009-11-25  Doug Kwan  <dougkwan@google.com>
2516
2517                 * arm.cc (Target_arm::Target_arm): Move method definition
2518                 outside of class definition.  Add code to handle
2519                 --target1-rel, --target1-abs and --target2= options.
2520                 (Target_arm::get_reloc_reloc_type): Change method to be
2521                 non-static and const.
2522                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2523                 New data member declaration.
2524                 (Target_arm::Scan::local, Target_arm::Scan::global,
2525                 Target_arm::Relocate::relocate,
2526                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2527                 Adjust call to Target_arm::get_real_reloc_type.
2528                 (Target_arm::get_real_reloc_type): Use command line options
2529                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2530                 * options.h (--target1-rel, --target1-abs, --target2): New
2531                 ARM-only options.
2532
2533 2009-11-25  Doug Kwan  <dougkwan@google.com>
2534
2535         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2536         class definition.  Add code to handle --target1-rel, --target1-abs
2537         and --target2= options.
2538         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2539         and const.
2540         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2541         member declaration.
2542         (Target_arm::Scan::local, Target_arm::Scan::global,
2543         Target_arm::Relocate::relocate,
2544         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2545         call to Target_arm::get_real_reloc_type.
2546         (Target_arm::get_real_reloc_type): Use command line options to
2547         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2548         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2549         options.
2550
2551 2009-11-25  Doug Kwan  <dougkwan@google.com>
2552
2553         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2554         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2555         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2556         formatting.
2557         (Arm_relocate_functions::thm_call): Replace body with a call to
2558         Arm_relocate_functions::thumb_branch_common.
2559         (Arm_relocate_functions::thm_jump24,
2560         Arm_relocate_functions::thm_xpc22): New method definitions.
2561         (Arm_relocate_functions::thumb_branch_common): New method definition.
2562         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2563         operator.
2564         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2565         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2566
2567 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2568
2569         * Makefile.am: Build incremental-dump
2570         * Makefile.in: Regenerate.
2571         * incremental-dump.cc: New.
2572         * incremental.cc (Incremental_inputs_header_data,
2573         Incremental_inputs_entry_data): Move to incremental.h
2574         * incremental.h: (Incremental_inputs_header_data,
2575         Incremental_inputs_entry_data): Move from incremental.cc
2576
2577 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2578
2579         * incremental.cc (Incremental_inputs_header,
2580         Incremental_inputs_header_write, Incremental_inputs_entry,
2581         Incremental_inputs_entry_write): Add a typedef with the data type.
2582
2583 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2584
2585         * incremental.cc (Incremental_inputs_header,
2586         Incremental_inputs_header_write, Incremental_inputs_entry,
2587         Incremental_inputs_entry_write): Update comment about which
2588         type has the filed descriptions.
2589
2590 2009-11-15  Doug Kwan  <dougkwan@google.com>
2591
2592         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2593         (Arm_relocate_functions::arm_branch_common): Change method defintion
2594         in class definition to a method declaration and update list of formal
2595         parameters.
2596         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2597         Arm_relocation_functions::jump24): Adjust call to
2598         Arm_relocate_functions::arm_branch_common.  Update list of formal
2599         parameters.
2600         (Arm_relocate_functions::xpc25): New method definition.
2601         (Arm_relocate_functions::arm_branch_common): Move method defintion
2602         out from class definition.  Use stubs for mode-switching and extending
2603         branch ranges.
2604         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2605         specially.  Change code to enable use of stubs in ARM branches.
2606
2607 2009-11-10  Doug Kwan  <dougkwan@google.com>
2608
2609         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2610         in method declaration.
2611         (Target_arm::relocate_stub): New method declaration.
2612         (Target_arm::default_target): Change to return a pointer instead of
2613         a const reference.
2614         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2615         Target_arm::default_target.
2616         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2617         method definition.
2618         (Target_arm::relocate_section): Adjust view.
2619         (Target_arm::relocate_stub): New method definition.
2620
2621 2009-11-10  Doug Kwan  <dougkwan@google.com>
2622
2623         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2624         a format warning.
2625         * incremental.cc (open_incremental_binary): Initialized local
2626         variables to avoid warnings.
2627         * object.cc (make_elf_object): Ditto.
2628         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2629         a format warning.
2630  
2631 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2632
2633         PR gold/10930
2634         * testsuite/plugin_test.c: Include "config.h".
2635
2636 2009-11-09  Doug Kwan  <dougkwan@google.com>
2637
2638         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2639         (arm_symbol_value): Remove.
2640         (Arm_relocate_functions::arm_branch_common,
2641         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2642         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2643         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2644         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2645         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2646         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2647         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2648         Arm_relocate_functions::thm_mobw_abs_nc,
2649         Arm_relocate_functions::thm_mov_abs,
2650         Arm_relocate_functions::movw_prel_nc,
2651         Arm_relocate_functions::thm_movt_abs,
2652         Arm_relocate_functions::movt_prel,
2653         Arm_relocate_functions::thm_movw_prel_nc,
2654         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2655         (Target_arm::Relocate::relocate): Only decompose address into two
2656         parts if relocation type uses the thumb-bit and pass the actual
2657         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2658         calls to methods in Arm_relocate_functions for this change.
2659
2660 2009-11-08  Ian Lance Taylor  <iant@google.com>
2661
2662         PR 10925
2663         * reloc.cc: Instantiate
2664         Sized_relobj::initialize_input_to_output_maps and
2665         Sized_relobj:free_input_to_output_maps.
2666
2667 2009-11-06  Ian Lance Taylor  <iant@google.com>
2668
2669         PR 10876
2670         * defstd.cc (in_segment): Set only_if_ref true for "end".
2671
2672 2009-11-06  Doug Kwan  <dougkwan@google.com>
2673
2674         * arm.cc (class Reloc_stub): Correct a comment.
2675         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2676         (Target_arm::scan_section_for_stubs): New method declaration.
2677         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2678         Change methods from private to protected.
2679         (Target_arm::do_may_relax): New method definition.
2680         (Target_arm::do_relax, Target_arm::group_sections,
2681         Target_arm::scan_reloc_for_stub,
2682         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2683         (Target_arm::arm_input_section_map_): New data member declaration.
2684         (Target_arm::scan_reloc_for_stub,
2685         Target_arm::scan_reloc_section_for_stubs,
2686         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2687         Target_arm::do_relax): New method definitions.
2688
2689 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2690
2691         * configure.ac: Check for (struct stat)::st_mtim
2692         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2693         * config.in: Regenerate.
2694         * configure: Regenerate.
2695
2696 2009-11-05  Ian Lance Taylor  <iant@google.com>
2697
2698         PR 10910
2699         * output.cc (Output_segment::add_output_section): Add missing
2700         return statement.
2701
2702 2009-11-04  Ian Lance Taylor  <iant@google.com>
2703
2704         PR 10880
2705         * object.h (class Object): Add is_needed and set_is_needed
2706         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2707         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2708         defined in a dynamic object and referenced by a regular object,
2709         set is_needed for the dynamic object.
2710         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2711         if the file is marked with as_needed and it is not needed.
2712
2713 2009-11-04  Ian Lance Taylor  <iant@google.com>
2714
2715         PR 10887
2716         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2717         tags if data is discarded by linker script.
2718         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2719         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2720         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2721         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2722
2723 2009-11-04  Ian Lance Taylor  <iant@google.com>
2724
2725         * layout.cc (Layout::get_output_section): Add is_interp and
2726         is_dynamic_linker_section parameters.  Change all callers.
2727         (Layout::choose_output_section): Likewise.
2728         (Layout::make_output_section): Likewise.
2729         (Layout::add_output_section_data): Add is_dynamic_linker_section
2730         parameter.  Change all callers.
2731         * layout.h (class Layout): Update declarations.
2732         * output.h (class Output_section): Add is_interp, set_is_interp,
2733         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2734         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2735         generate_code_fills_at_write_ to a bitfield.
2736         * output.cc (Output_section::Output_sections): Initialize new
2737         fields.
2738         (Output_segment::add_output_section): Add do_sort parameter.
2739         Change all callers.
2740
2741 2009-11-03  Ian Lance Taylor  <iant@google.com>
2742
2743         PR 10860
2744         * options.h (class General_options): Add --warn-common.
2745         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2746         merging two common symbols.
2747         (Symbol_table::should_override): Handle --warn-common when merging
2748         a common symbol with a defined symbol.  Use report_resolve_problem
2749         for multiple definitions.
2750         (Symbol_table::report_resolve_problem): New function.
2751         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2752
2753 2009-11-03  Doug Kwan  <dougkwan@google.com>
2754
2755         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2756         stub_factory_.
2757         (Target_arm::stub_factory): New method definition.
2758         (Target_arm::new_arm_input_section,
2759         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2760         Target_arm::reloc_uses_thumb_bit): New method declarations.
2761         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2762         New type definitions.
2763         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2764         member declarations.
2765         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2766         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2767         New method definitions.
2768
2769 2009-11-03  Ian Lance Taylor  <iant@google.com>
2770
2771         * options.h (class General_options): Add --warn_constructors.
2772
2773 2009-11-03  Ian Lance Taylor  <iant@google.com>
2774
2775         PR 10893
2776         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2777         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2778
2779 2009-11-03  Ian Lance Taylor  <iant@google.com>
2780
2781         PR 10895
2782         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2783         --msgid-bugs-address.
2784         (install-pdf): New target.
2785         (install-data_yes): Look up one directory to find mkinstalldirs.
2786
2787 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
2788
2789         * po/Make-in (.po.gmo): Don't generate .gmo files in source
2790         tree.
2791
2792 2009-10-30  Doug Kwan  <dougkwan@google.com>
2793
2794         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2795
2796 2009-10-30  Doug Kwan  <dougkwan@google.com>
2797
2798         * arm.cc (Stub_addend_reader): New struct template definition
2799         and partial specializations.
2800         (Stub_addend_reader::operator()): New method definition for a
2801         partially specialized template.
2802
2803 2009-10-30  Doug Kwan  <dougkwan@google.com>
2804
2805         * arm.cc (Arm_relobj::processor_specific_flags): New method
2806         definition.
2807         (Arm_relobj::do_read_symbols): New method declaration.
2808         (Arm_relobj::processor_specific_flags_): New data member declaration.
2809         (Arm_dynobj): New class definition.
2810         (Target_arm::do_finalize_sections): Add input_objects parameter.
2811         (Target_arm::do_adjust_elf_header): New method declaration.
2812         (Target_arm::are_eabi_versions_compatible,
2813         (Target_arm::merge_processor_specific_flags): New method declaration.
2814         (Target_arm::do_make_elf_object): New overloaded method definitions
2815         and declaration.
2816         (Arm_relobj::do_read_symbols): New method definition.
2817         (Arm_dynobj::do_read_symbols): Ditto.
2818         (Target_arm::do_finalize_sections): Add input_objects parameters.
2819         Merge processor-specific flags from all input objects.
2820         (Target_arm::are_eabi_versions_compatible,
2821         Target_arm::merge_processor_specific_flags,
2822         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2823         New method definitions.
2824         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2825         Input_objects pointer type parameter.
2826         * layout.cc (Layout::finalize): Pass input objects to target's.
2827         finalize_sections function.
2828         * output.cc (Output_file_header::do_sized_write): Set ELF file
2829         header's processor-specific flags.
2830         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2831         Input_objects pointer type parameter.
2832         * sparc.cc (Target_sparc::do_finalize_sections): Same.
2833         * target.h (Input_objects): New forward class declaration.
2834         (Target::processor_specific_flags,
2835         Target::are_processor_specific_flags_sect): New method definitions.
2836         (Target::finalize_sections): Add input_objects parameter.
2837         (Target::Target): Initialize processor_specific_flags_ and
2838         are_processor_specific_flags_set_.
2839         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2840         parameter.
2841         (Target::set_processor_specific_flags): New method definition.
2842         (Target::processor_specific_flags_,
2843         Target::are_processor_specific_flags_set_): New data member
2844         declarations.
2845         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2846         Input_objects pointer type parameter.
2847
2848 2009-10-30  Doug Kwan  <dougkwan@google.com>
2849
2850         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2851
2852 2009-10-28  Ian Lance Taylor  <iant@google.com>
2853
2854         * object.h (class Relobj): Drop options parameter from
2855         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2856         do_scan_relocs, do_relocate.  Change all callers.
2857         (class Sized_relobj): Drop options parameters from
2858         do_gc_process_relocs, do_scan_relocs, do_relocate,
2859         do_relocate_sections, relocate_sections, emit_relocs_scan,
2860         emit_relocs_scan_reltype.  Change all callers.
2861         (struct Relocate_info): Remove options field and all references to
2862         it.
2863         * reloc.h (class Read_relocs): Remove options constructor
2864         parameter and options_ field.  Change all callers.
2865         (class Gc_process_relocs, class Scan_relocs): Likewise.
2866         (class Relocate_task): Likewise.
2867         * target-reloc.h (scan_relocs): Remove options parameter.  Change
2868         all callers.
2869         (scan_relocatable_relocs): Likewise.
2870         * target.h (class Sized_target): Remove options parameter from
2871         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
2872         all callers.
2873         * gc.h (gc_process_relocs): Remove options parameter.  Change all
2874         callers.
2875         * arm.cc: Update functions to remove options parameters.
2876         * i386.cc: Likewise.
2877         * powerpc.cc: Likewise.
2878         * sparc.cc: Likewise.
2879         * x86_64.cc: Likewise.
2880         * testsuite/testfile.cc: Likewise.
2881
2882 2009-10-28  Doug Kwan  <dougkwan@google.com>
2883
2884         * arm.cc (Arm_relobj): New class definition.
2885         (Arm_relobj::scan_sections_for_stubs, 
2886         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2887         New method definitions.
2888
2889 2009-10-28  Cary Coutant  <ccoutant@google.com>
2890
2891         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2892         (Plugin::cleanup_done_): New member.
2893         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2894         (Plugin_manager::cleanup_done_): Remove.
2895         (Plugin_manager::add_input_file): Edit error message.
2896         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2897         (Plugin_manager::cleanup): Remove use of cleanup_done_.
2898
2899 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
2900
2901         * fileread.cc: (File_read::View::~View): Use the new
2902         data_ownership_ filed.
2903         (File_read::~File_read): Dispose the new whole_file_view_.
2904         (File_read::open): Mmap the whole file if needed.
2905         (File_read::open): Use whole_file_view_ instead of contents_.
2906         (File_read::find_view): Use whole_file_view_ if applicable.
2907         (File_read::do_read): Use whole_file_view_ instead of contents_.
2908         (File_read::make_view): Use whole_file_view_ instead of contents_,
2909         update File_read::View::View call.
2910         (File_read::find_or_make_view): Update File_read::View::View
2911         call.
2912         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2913         remove contents_
2914         (File_read::View::Data_ownership): New enum.
2915         (File_read::View::View): Replace bool mapped_ with Data_ownership
2916         argument.
2917         (File_read::View::mapped_): Remove (replaced by data_ownership_).
2918         (File_read::View::data_ownership_): New field.
2919         (File_read::contents_): Remove (replaced by whole_file_view_).
2920         (File_read::whole_file_view_): New field.
2921         * options.h (class General_options): Add --keep-files-mapped.
2922
2923 2009-10-27  Cary Coutant  <ccoutant@google.com>
2924
2925         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2926         * testsuite/Makefile.am (plugin_test_5): New test case.
2927         * testsuite/Makefile.in: Regenerate.
2928
2929 2009-10-25  Doug Kwan  <dougkwan@google.com>
2930
2931         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2932         from private to protected to allow access by child class.
2933         (Sized_relobj::do_relocate_sections): New method declaration.
2934         (Sized_relobj::relocate_sections): Virtualize.
2935         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
2936         Sized_relobj::relocate_sections.  Instantiate template explicitly
2937         for different target sizes and endianity.
2938
2939 2009-10-24  Doug Kwan  <dougkwan@google.com>
2940
2941         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2942         (Arm_input_section::as_arm_input_section): New method.
2943         (Arm_output_section): New class definition.
2944         (Arm_output_section::create_stub_group,
2945         Arm_output_section::group_sections): New method definitions.
2946
2947 2009-10-22  Doug Kwan  <dougkwan@google.com>
2948
2949         * arm.cc (Arm_input_section): New class definition.
2950         (Arm_input_section::init, Arm_input_section:do_write,
2951         Arm_input_section::set_final_data_size,
2952         Arm_input_section::do_reset_address_and_file_offset): New method
2953         definitions.
2954
2955 2009-10-21  Doug Kwan  <dougkwan@google.com>
2956
2957         * arm.cc (Stub_table, Arm_input_section): New forward class
2958         declarations.
2959         (Stub_table): New class defintion.
2960         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2961         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2962         New method definition.
2963
2964 2009-10-21  Doug Kwan  <dougkwan@google.com>
2965
2966         * arm.cc: Update copyright comments.
2967         (Target_arm): New forward class template declaration.
2968         (Arm_address): New type.
2969         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2970         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2971         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2972         constants.
2973         (Insn_template): Same.
2974         (DEF_STUBS): New macro.
2975         (Stub_type): New enum type.
2976         (Stub_template): New class definition.
2977         (Stub): Same.
2978         (Reloc_stub): Same.
2979         (Stub_factory): Same.
2980         (Target_arm::Target_arm): Initialize may_use_blx_ and
2981         should_force_pic_veneer_.
2982         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2983         Target_arm::should_force_pic_veneer,
2984         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2985         Target_arm::using_thumb_only, Target_arm:;default_target): New
2986         method defintions.
2987         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2988         New data member declarations.
2989         (Insn_template::size, Insn_template::alignment): New method defintions.
2990         (Stub_template::Stub_template): New method definition.
2991         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2992         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2993         (Stub_factory::Stub_factory): New method definition.
2994         * gold.h (string_hash): New template.
2995         * output.h (Input_section_specifier::hash_value): Use
2996         gold::string_hash.
2997         (Input_section_specifier::string_hash): Remove.
2998         * stringpool.cc (Stringpool_template::string_hash): Use
2999         gold::string_hash.
3000
3001 2009-10-20  Doug Kwan  <dougkwan@google.com>
3002
3003         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3004         symbols of relaxed input sections.
3005         * output.h (Output_section::find_relaxed_input_section): Make
3006         method public.
3007
3008 2009-10-16  Doug Kwan  <dougkwan@google.com>
3009
3010         * dynobj.cc (Versions::Versions): Initialize version_script_.
3011         Only insert base version symbol definition for a shared object
3012         if version script defines any version versions.
3013         (Versions::define_base_version): New method definition.
3014         (Versions::add_def): Check that base version is not needed.
3015         (Versions::add_need): Define base version lazily.
3016         * dynobj.h (Versions::define_base_version): New method declaration.
3017         (Versions::needs_base_version_): New data member declaration.
3018         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3019         (check_DATA): Add no_version_test.stdout.
3020         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3021         New make rules.
3022         * testsuite/Makefile.in: Regenerate.
3023         * testsuite/no_version_test.c: New file.
3024         * testsuite/no_version_test.sh: Ditto.
3025
3026 2009-10-16  Doug Kwan  <dougkwan@google.com>
3027
3028         * expression.cc (class Segment_start_expression): New class definition.
3029         (Segment_start_expression::value): New method definition.
3030         (script_exp_function_segment_start): Return a new
3031         Segment_start_expression.
3032         * gold/script-c.h (script_saw_segment_start_expression): New function
3033         prototype.
3034         * script-sections.cc (Script_sections::Script_sections): Initialize
3035         SAW_SEGMENT_START_EXPRESSION_ to false.
3036         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3037         and -Tbbs options to specify section addresses if given in
3038         command line and no SEGMENT_START expression is seen in a script.
3039         * script-sections.h (Script_sections::saw_segment_start_expression,
3040         Script_sections::set_saw_segment_start_expression): New method
3041         definition.
3042         (Script_sections::saw_segment_start_expression_): New data member
3043         declaration.
3044         * script.cc (script_saw_segment_start_expression): New function.
3045         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3046         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3047         script_test_7.sh and script_test_8.sh.
3048         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3049         script_test_8.stdout.
3050         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3051         (script_test_6, script_test_6.stdout, script_test_7,
3052         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3053         * Makefile.in: Regenerate.
3054         * testsuite/script_test_6.sh: New file.
3055         * testsuite/script_test_6.t: Same.
3056         * testsuite/script_test_7.sh: Same.
3057         * testsuite/script_test_7.t: Same.
3058         * testsuite/script_test_8.sh: Same.
3059
3060 2009-10-16  Doug Kwan  <dougkwan@google.com>
3061
3062         * output.cc (Output_segment::set_section_list_address): Cast
3063         expressions to unsigned long long type to avoid format warnings.
3064
3065 2009-10-15  Ian Lance Taylor  <iant@google.com>
3066
3067         * script.cc (Script_options::add_symbol_assignment): Always add a
3068         dot assignment to script_sections_.
3069         * script-sections.cc (Script_sections::add_dot_assignment):
3070         Initialize if necessary.
3071
3072         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3073         program headers with no load segment if there is a linker script.
3074
3075         * layout.cc (Layout::set_segment_offsets): Align the file offset
3076         to the segment aligment for -N or -n with no load segment.
3077         * output.cc (Output_segment::add_output_section): Don't crash if
3078         the first section is a TLS section.
3079         (Output_segment::set_section_list_addresses): Print an error
3080         message if the address moves backward in a linker script.
3081         * script-sections.cc
3082         (Output_section_element_input::set_section_addresses): Don't
3083         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3084         (Orphan_output_section::set_section_addresses): Likewise.
3085
3086 2009-10-15  Doug Kwan  <dougkwan@google.com>
3087
3088         * layout.cc (Layout::finish_dynamic_section): Generate tags
3089         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3090         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3091         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3092
3093 2009-10-14  Ian Lance Taylor  <iant@google.com>
3094
3095         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3096         fields.
3097         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3098         data_shdr fields of relinfo.
3099         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3100         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3101         R_386_TLS_LDO_32, adjust based on section flags.
3102         (Target_i386::Relocate::fix_up_ldo): Remove.
3103
3104 2009-10-13  Ian Lance Taylor  <iant@google.com>
3105
3106         Add support for -pie.
3107         * options.h (class General_options): Add -pie and
3108         --pic-executable.
3109         (General_options::output_is_position_independent): Test -pie.
3110         (General_options::output_is_executable): Return true if not shared
3111         and not relocatable.
3112         (General_options::output_is_pie): Remove.
3113         * options.cc (General_options::finalize): Reject incompatible uses
3114         of -pie.
3115         * gold.cc (queue_middle_tasks): A -pie link is not static.
3116         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3117         * symtab.cc (Symbol::final_value_is_known): Return false if
3118         output_is_position_independent.
3119         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3120         output_is_position_independent.
3121         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3122         output_is_position_independent.
3123         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3124         output_is_position_independent.
3125         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3126         two_file_pie_test.
3127         (basic_pie_test.o, basic_pie_test): New targets.
3128         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3129         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3130         (two_file_pie_test): New target.
3131         * testsuite/Makefile.in: Rebuild.
3132         * README: Remove note saying that -pie is not supported.
3133
3134 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3135
3136         * options.h (class General_options): Add -init and -fini.
3137         * layout.cc (Layout::finish_dynamic_section): Emit
3138         given init and fini functions.
3139
3140 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3141
3142         * gc.h (gc_process_relocs): Check if icf is enabled using new
3143         function.
3144         * gold.cc (queue_initial_tasks): Likewise.
3145         (queue_middle_tasks): Likewise.
3146         * object.cc (do_layout): Likewise.
3147         * symtab.cc (is_section_folded): Likewise.
3148         * main.cc (main): Likewise.
3149         * reloc.cc (Read_relocs::run): Likewise.
3150         (Sized_relobj::do_scan_relocs): Likewise.
3151         * icf.cc (is_function_ctor_or_dtor): New function.
3152         (Icf::find_identical_sections): Check if function is ctor or dtor when
3153         safe icf is chosen.
3154         * options.h (General_options::icf): Change option to be an enum.
3155         (Icf_status): New enum.
3156         (icf_enabled): New method.
3157         (icf_safe_folding): New method.
3158         (set_icf_status): New method.
3159         (icf_status_): New variable.
3160         * (options.cc) (General_options::finalize): Set icf_status_.
3161         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3162         icf_test and icf_keep_unique_test to use the --icf enum flag.
3163         * testsuite/icf_safe_test.sh: New file.
3164         * testsuite/icf_safe_test.cc: New file. 
3165
3166 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3167
3168         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3169         includes to gc.h and icf.h.
3170         * arm.cc: Include gc.h.
3171         * gold.cc: Likewise.
3172         * i386.cc: Likewise.
3173         * powerpc.cc: Likewise.
3174         * sparc.cc: Likewise.
3175         * x86_64.cc: Likewise.
3176         * gc.h: Include icf.h.
3177
3178 2009-10-11  Ian Lance Taylor  <iant@google.com>
3179
3180         * plugin.cc: Include "gold.h" before other header files.
3181
3182 2009-10-10  Chris Demetriou  <cgd@google.com>
3183
3184         * options.h (Input_file_argument::Input_file_type): New enum.
3185         (Input_file_argument::is_lib_): Replace with...
3186         (Input_file_argument::type_): New member.
3187         (Input_file_argument::Input_file_argument): Take Input_file_type
3188         'type' rather than boolean 'is_lib' as second argument.
3189         (Input_file_argument::is_lib): Use type_.
3190         (Input_file_argument::is_searched_file): New function.
3191         (Input_file_argument::may_need_search): Handle is_searched_file.
3192         * options.cc (General_options::parse_library): Support -l:filename.
3193         (General_options::parse_just_symbols): Update for Input_file_argument
3194         changes.
3195         (Command_line::process): Likewise.
3196         * archive.cc (Archive::get_file_and_offset): Likewise.
3197         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3198         * script.cc (read_script_file, script_add_file): Likewise.
3199         * fileread.cc (Input_file::Input_file): Likewise.
3200         (Input_file::will_search_for): Handle is_searched_file.
3201         (Input_file::open): Likewise.
3202         * readsyms.cc (Read_symbols::get_name): Likewise.
3203         * testsuite/Makefile.am (searched_file_test): New test.
3204         * testsuite/Makefile.in: Regenerate.
3205         * testsuite/searched_file_test.cc: New file.
3206         * testsuite/searched_file_test_lib.cc: New file.
3207
3208 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3209             Ian Lance Taylor  <iant@google.com>
3210
3211         * descriptor.cc: Include <cstdio> and "binary-io.h".
3212         (Descriptors::open): Open the files in binary mode always.
3213         * script.cc (Lex::get_token): Treat \r as whitespace.
3214
3215 2009-10-09  Ian Lance Taylor  <iant@google.com>
3216
3217         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3218
3219 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3220             Ian Lance Taylor  <iant@google.com>
3221
3222         * configure.ac: Check for readv function also.
3223         * fileread.cc (readv): Define if not HAVE_READV.
3224         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3225         does not exist.
3226         * config.in: Regenerate.
3227         * configure: Regenerate.
3228
3229 2009-10-09  Doug Kwan  <dougkwan@google.com>
3230
3231         * layout.cc (Layout::make_output_section): Call target hook to make
3232         ordinary output section.
3233         (Layout::finalize): Adjust parameter list of call the
3234         Target::may_relax().
3235         * layout.h (class Layout::section_list): New method.
3236         * merge.h (Output_merge_base::entsize): Change visibility to public.
3237         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3238         New methods.
3239         (Output_merge_string::do_is_string): New method.
3240         * object.cc (Sized_relobj::do_setup): renamed from
3241         Sized_relobj::set_up.
3242         * object.h (Sized_relobj::adjust_shndx,
3243         Sized_relobj::initializ_input_to_output_maps,
3244         Sized_relobj::free_input_to_output_maps): Change visibilities to
3245         protected.
3246         (Sized_relobj::setup): Virtualize.
3247         (Sized_relobj::do_setup): New method declaration.
3248         (Sized_relobj::invalidate_section_offset,
3249         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3250         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3251         * options.cc (parse_int): New function.
3252         * options.h (parse_int): New declaration.
3253         (DEFINE_int): New macro.
3254         (stub_group_size): New option.
3255         * output.cc (Output_section::Output_section): Initialize memebers
3256         merge_section_map_, merge_section_by_properties_map_,
3257         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3258         (Output_section::add_input_section): Handled deferred code-fill
3259         generation and remove an old comment.
3260         (Output_section::add_relaxed_input_section): New method definition.
3261         (Output_section::add_merge_input_section): Use merge section by
3262         properties map to speed to search.  Update merge section maps
3263         as appropriate.
3264         (Output_section::build_relaxation_map): New method definition.
3265         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3266         Same.
3267         (Output_section::relax_input_section): Renamed to
3268         Output_section::convert_input_sections_to_relaxed_sections and change
3269         interface to take a vector of pointers to relaxed sections.
3270         (Output_section::find_merge_section,
3271         Output_section::find_relaxed_input_section): New method definitions.
3272         (Output_section::is_input_address_mapped,
3273         Output_section::output_offset, Output_section::output_address):
3274         Use output section data maps to speed up searching.
3275         (Output_section::find_starting_output_address): Add comments.
3276         (Output_section::do_write,
3277         Output_section::write_to_postprocessing_buffer): Do code-fill
3278         generation as appropriate.
3279         (Output_section::get_input_sections): Invalidate relaxed input section
3280         map.
3281         (Output_section::restore_states): Adjust type of checkpoint .
3282         Invalidate relaxed input section map.
3283         * output.h (Output_merge_base): New class declaration.
3284         (Input_section_specifier): New class defintion.
3285         (class Output_relaxed_input_section) Change base class to
3286         Output_section_data_build.
3287         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3288         base class initializer.
3289         (Output_section::add_relaxed_input_section): New method declaration.
3290         (Output_section::Input_section): Change visibility to protected.
3291         (Output_section::Input_section::relobj,
3292         Output_section::Input_section::shndx): Handle relaxed input sections.
3293         Output_section::input_sections) Change visibility to protected.  Also
3294         define overload to return a non-const pointer.
3295         (Output_section::Merge_section_properties): New class defintion.
3296         (Output_section::Merge_section_by_properties_map,
3297         Output_section::Output_section_data_by_input_section_map,
3298         Output_section::Relaxation_map): New types.
3299         (Output_section::relax_input_section): Rename method to
3300         Output_section::convert_input_sections_to_relaxed_sections and change
3301         interface to take a vector of relaxed section pointers.
3302         (Output_section::find_merge_section,
3303         Output_section::find_relaxed_input_section,
3304         Output_section::build_relaxation_map,
3305         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3306         New method declarations.
3307         (Output_section::merge_section_map_
3308         Output_section::merge_section_by_properties_map_,
3309         Output_section::relaxed_input_section_map_,
3310         Output_section::is_relaxed_input_section_map_valid_,
3311         Output_section::generate_code_fills_at_write_): New data members.
3312         * script-sections.cc
3313         (Output_section_element_input::set_section_addresses): Call
3314         current_data_size and addralign methods of relaxed input sections.
3315         (Orphan_output_section::set_section_addresses): Call current_data_size
3316         and addralign methods of relaxed input sections.
3317         * symtab.cc (Symbol_table::compute_final_value): Extract template
3318         from the body of Symbol_table::sized_finalize_symbol.
3319         (Symbol_table::sized_finalized_symbol): Call
3320         Symbol_table::compute_final_value.
3321         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3322         (Symbol_table::compute_final_value): New templated method declaration.
3323         * target.cc (Target::do_make_output_section): New method defintion.
3324         * target.h (Target::make_output_section): New method declaration.
3325         (Target::relax): Add more parameters for input objects, symbol table
3326         and layout.  Adjust call to do_relax.
3327         (Target::do_make_output_section): New method declaration.
3328         (Target::do_relax): Add parameters for input objects, symbol table
3329         and layout.
3330
3331 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3332
3333         * pread.c: Include stdio.h.
3334
3335 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3336
3337         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3338         defined.
3339
3340 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3341
3342         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3343         Change read_shndx type to unsigned int.
3344         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3345         int.
3346         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3347         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3348         Change read_shndx type to unsigned int.
3349         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3350         int.
3351         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3352         * layout.cc (Layout::create_symtab_sections): Cast the result of
3353         local_symcount * symsize to off_t in the gold_assert.
3354
3355 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3356
3357         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3358         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3359         R_ARM_BASE_ABS.
3360         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3361         (Arm_relocate_functions::thm_abs5): New function.
3362         (Arm_relocate_functions::abs12): New function.
3363         (Arm_relocate_functions::abs16): New function.
3364         (Arm_relocate_functions::base_abs): New function.
3365         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3366         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3367         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3368         R_ARM_BASE_ABS.
3369         (Scan::global): Likewise.
3370         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3371         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3372         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3373         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3374         R_ARM_BASE_ABS.
3375
3376 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3377
3378         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3379         (Arm_relocate_functions::movt_prel): New function.
3380         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3381         (Arm_relocate_functions::thm_movt_prel): New function.
3382         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3383         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3384         (Scan::global, Relocate::relocate): Likewise.
3385         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3386
3387 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3388
3389         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3390         Incremental_checker.
3391         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3392         unsigned int.
3393         (class Incremental_inputs_header): New class.
3394         (Incremental_inputs_header_writer): Edit comment.
3395         (Incremental_inputs_entry): New class.
3396         (Incremental_inputs_entry_writer): Edit comment.
3397         (Sized_incremental_binary::do_find_incremental_inputs_section):
3398         Add *strtab_shndx parameter, fill it.
3399         (Sized_incremental_binary::do_check_inputs): New method.
3400         (Incremental_checker::can_incrementally_link_output_file): Use
3401         Sized_incremental_binary::check_inputs.
3402         (Incremental_inputs::report_command_line): Save command line in
3403         command_line_.
3404         * incremental.h:
3405         (Incremental_binary::find_incremental_inputs_section): New
3406         method.
3407         (Incremental_binary::do_find_incremental_inputs_section): Add
3408         strtab_shndx parameter.
3409         (Incremental_binary::do_check_inputs): New pure virtual method.
3410         (Sized_incremental_binary::do_check_inputs): Declare.
3411         (Incremental_checker::Incremental_checker): Add incremental_inputs
3412         parameter, use it to initialize incremental_inputs_.
3413         (Incremental_checker::incremental_inputs_): New field.
3414         (Incremental_checker::command_line): New method.
3415         (Incremental_checker::inputs): New method.
3416         (Incremental_checker::command_line_): New field.
3417
3418 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3419
3420         * incremental.cc: Include <cstdarg> and "target-select.h".
3421         (vexplain_no_incremental): New function.
3422         (explain_no_incremental): New function.
3423         (Incremental_binary::error): New method.
3424         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3425         method.
3426         (make_sized_incremental_binary): New function.
3427         (open_incremental_binary): New function.
3428         (can_incrementally_link_file): Add checks if output is ELF and has
3429         inputs section.
3430         * incremental.h: Include "elfcpp_file.h" and "output.h".
3431         (Incremental_binary): New class.
3432         (Sized_incremental_binary): New class.
3433         (open_incremental_binary): Declare.
3434         * object.cc (is_elf_object): Use
3435         elfcpp::Elf_recognizer::is_elf_file.
3436         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3437         * output.h (Output_file::filesize): New method.
3438
3439 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3440
3441         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3442         New function.
3443         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3444         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3445         function.
3446         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3447         function.
3448         (Arm_relocate_functions::movw_abs_nc): New function.
3449         (Arm_relocate_functions::movt_abs): New function.
3450         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3451         (Arm_relocate_functions::thm_movt_abs): New function.
3452         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3453         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3454         (Scan::global): Likewise.
3455         (Relocate::relocate): Likewise.
3456         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3457
3458 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3459
3460         * arm.cc (Arm_relocate_functions::got_prel) New function.
3461         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3462         (Relocate::relocate): Likewise.
3463         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3464
3465 2009-10-06  Ian Lance Taylor  <iant@google.com>
3466
3467         * options.h (class General_options): Define
3468         split_stack_adjust_size parameter.
3469         * object.h (class Object): Add uses_split_stack_ and
3470         has_no_split_stack_ fields.  Add uses_split_stack and
3471         has_no_split_stack accessor functions.  Declare
3472         handle_split_stack_section.
3473         (class Reloc_symbol_changes): Define.
3474         (class Sized_relobj): Define Function_offsets.  Declare
3475         split_stack_adjust, split_stack_adjust_reltype, and
3476         find_functions.
3477         * object.cc (Object::handle_split_stack_section): New function.
3478         (Sized_relobj::do_layout): Call handle_split_stack_section.
3479         * dynobj.cc (Sized_dynobj::do_layout): Call
3480         handle_split_stack_section.
3481         * reloc.cc (Sized_relobj::relocate_sections): Call
3482         split_stack_adjust for executable sections in split_stack
3483         objects.  Pass reloc_map to relocate_section.
3484         (Sized_relobj::split_stack_adjust): New function.
3485         (Sized_relobj::split_stack_adjust_reltype): New function.
3486         (Sized_relobj::find_functions): New function.
3487         * target-reloc.h: Include "object.h".
3488         (relocate_section): Add reloc_symbol_changes parameter.  Change
3489         all callers.
3490         * target.h (class Target): Add calls_non_split method.  Declare
3491         do_calls_non_split virtual method.  Declare match_view and
3492         set_view_to_nop.
3493         * target.cc: Include "elfcpp.h".
3494         (Target::do_calls_non_split): New function.
3495         (Target::match_view): New function.
3496         (Target::set_view_to_nop): New function.
3497         * gold.cc (queue_middle_tasks): Give an error if mixing
3498         split-stack and non-split-stack objects with -r.
3499         * i386.cc (Target_i386::relocate_section): Add
3500         reloc_symbol_changes parameter.
3501         (Target_i386::do_calls_non_split): New function.
3502         * x86_64.cc (Target_x86_64::relocate_section): Add
3503         reloc_symbol_changes parameter.
3504         (Target_x86_64::do_calls_non_split): New function.
3505         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3506         parameter.
3507         * powerpc.cc (Target_powerpc::relocate_section): Add
3508         reloc_symbol_changes parameter.
3509         * sparc.cc (Target_sparc::relocate_section): Add
3510         reloc_symbol_changes parameter.
3511         * configure.ac: Call AM_CONDITIONAL for the default target.
3512         * configure: Rebuild.
3513         * testsuite/Makefile.am (TEST_AS): New variable.
3514         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3515         (check_DATA): Add split_i386 and split_x86_64 files.
3516         (SPLIT_DEFSYMS): Define.
3517         (split_i386_[1234n].o): New targets.
3518         (split_i386_[124]): New targets.
3519         (split_i386_[1234r].stdout): New targets.
3520         (split_x86_64_[1234n].o): New targets.
3521         (split_x86_64_[124]): New targets.
3522         (split_x86_64_[1234r].stdout): New targets.
3523         (MOSTLYCLEANFILES): Add new executables.
3524         * testsuite/split_i386.sh: New file.
3525         * testsuite/split_x86_64.sh: New file.
3526         * testsuite/split_i386_1.s: New file.
3527         * testsuite/split_i386_2.s: New file.
3528         * testsuite/split_i386_3.s: New file.
3529         * testsuite/split_i386_4.s: New file.
3530         * testsuite/split_i386_n.s: New file.
3531         * testsuite/split_x86_64_1.s: New file.
3532         * testsuite/split_x86_64_2.s: New file.
3533         * testsuite/split_x86_64_3.s: New file.
3534         * testsuite/split_x86_64_4.s: New file.
3535         * testsuite/split_x86_64_n.s: New file.
3536         * testsuite/testfile.cc (Target_test): Update relocation_section
3537         function.
3538         * testsuite/Makefile.in: Rebuild.
3539
3540 2009-10-06  Ian Lance Taylor  <iant@google.com>
3541
3542         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3543         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3544         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3545         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3546         the address on ldo_addrs_.
3547         (Target_i386::Relocate::fix_up_ldo): New function.
3548
3549 2009-10-06   Rafael Espindola  <espindola@google.com>
3550
3551         * plugin.cc (add_input_library): New.
3552         (Plugin::load): Add add_input_library to tv.
3553         (Plugin_manager::add_input_file): Add the is_lib argument.
3554         (add_input_file): Update call to Plugin_manager::add_input_file.
3555         (add_input_library): New.
3556         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3557
3558 2009-09-30  Doug Kwan  <dougkwan@google.com>
3559
3560         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3561         symbol and call Symbol::may_need_copy_reloc to determine if
3562         a copy reloc is needed.
3563         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3564         nocopyreloc is given in command line.
3565         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3566         given in command line.
3567         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3568         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3569         of the removed Target_i386::may_need_copy_reloc.
3570         * options.h (copyreloc): New option with default value false.
3571         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3572         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3573         instead of the removed Target_powerpc::may_need_copy_reloc.
3574         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3575         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3576         instead of the removed Target_sparc::may_need_copy_reloc.
3577         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3578         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3579         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3580         instead of the removed Target_x86_64::may_need_copy_reloc.
3581
3582 2009-09-30  Ian Lance Taylor  <iant@google.com>
3583
3584         * object.h (class Object): Remove target_ field, and target,
3585         sized_target, and set_target methods.
3586         (Object::sized_target): Remove.
3587         (class Sized_relobj): Update declarations.  Remove sized_target.
3588         * object.cc (Sized_relobj::setup): Remove target parameter.
3589         Change all callers.
3590         (Input_objects::add_object): Don't do anything with the target.
3591         (make_elf_sized_object): Add punconfigured parameter.  Change all
3592         callers.  Set or test parameter target.
3593         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3594         Change all callers.
3595         * parameters.cc (Parameters::set_target): Change parameter type to
3596         be non-const.
3597         (Parameters::default_target): Remove.
3598         (set_parameters_target): Change parameter type to be non-const.
3599         (parameters_force_valid_target): New function.
3600         (parameters_clear_target): New function.
3601         * parameters.h (class Parameters): Update declarations.  Remove
3602         default_target method.  Add sized_target and clear_target
3603         methods.  Change target_ to be non-const.
3604         (set_parameters_target): Update declaration.
3605         (parameters_force_valid_target): Declare.
3606         (parameters_clear_target): Declare.
3607         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3608         as NULL if we aren't searching.
3609         (Add_symbols::run): Don't check for compatible target.
3610         * fileread.cc (Input_file::open_binary): Call
3611         parameters_force_valid_target.
3612         * gold.cc (queue_middle_tasks): Likewise.
3613         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3614         set_target on object.
3615         * dynobj.h (class Sized_dynobj): Update declarations.
3616         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3617         make_elf_object returns NULL.
3618         (Archive::include_member): Don't check whether object target is
3619         compatible.
3620         * output.cc (Output_section::add_input_section): Get target from
3621         parameters.
3622         (Output_section::relax_input_section): Likewise.
3623         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3624         parameters.
3625         (Sized_relobj::do_scan_relocs): Likewise.
3626         (Sized_relobj::relocate_sections): Likewise.
3627         * resolve.cc (Symbol_table::resolve): Likewise.
3628         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3629         parameter.  Change all callers.
3630         (Symbol_table::add_from_object): Get target from parameters.
3631         (Symbol_table::add_from_relobj): Don't check object target.
3632         (Symbol_table::add_from_dynobj): Likewise.
3633         (Symbol_table::define_special_symbol): Get target from
3634         parameters.
3635         * symtab.h (class Symbol_table): Update declaration.
3636         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3637         parameter.  Change all callers.  Clear parameter target.
3638         (Binary_test): Test target here.
3639         * testsuite/object_unittest.cc (gold_testsuite): Remove
3640         target_test_pointer parameter.  Change all callers.
3641         (Object_test): Test target here.
3642
3643 2009-09-26  Ian Lance Taylor  <iant@google.com>
3644
3645         * testsuite/initpri1.c: Don't try to use constructor priorities if
3646         compiling with gcc before 4.3.
3647
3648 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3649
3650         * testsuite/retain_symbols_file_test.sh (check_present): Change
3651         output file name to retain_symbols_file_test.stdout.
3652         (check_absent): Likewise.
3653
3654 2009-09-18  Craig Silverstein  <csilvers@google.com>
3655
3656         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3657         * options.cc: Include <cerrno> and <fstream>.
3658         (General_options::finalize): Parse -retain-symbols-file tag.
3659         * options.h: New flag.
3660         (General_options): New method should_retain_symbol, new
3661         variable symbols_to_retain.
3662         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3663         should_retain_symbol map.
3664         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3665         * testsuite/Makefile.in: Regenerate.
3666         * testsuite/retain_symbols_file_test.sh: New file.
3667
3668 2009-09-18  Nick Clifton  <nickc@redhat.com>
3669
3670         * po/es.po: Updated Spanish translation.
3671
3672 2009-09-17  Doug Kwan  <dougkwan@google.com>
3673
3674         * debug.h (DEBUG_RELAXATION): New constant.
3675         (DEBUG_ALL): Add DEBUG_RELAXATION.
3676         (debug_string_to_enum): Add relaxation debug option.
3677         * layout.cc
3678         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3679         Layout::Relaxation_debug_check::read_sections,
3680         Layout::Relaxation_debug_check::read_sections): New method definitions.
3681         (Layout::Layout): Initialize data members
3682         record_output_section_data_from_scrips_,
3683         script_output_section_data_list_ and relaxation_debug_check_.
3684         (Layout::save_segments, Layout::restore_segments,
3685         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3686         Layout::relaxation_loop_body): New method definitions.
3687         (Layout::finalize): Support relaxation.  Move section layout code to
3688         Layout::relaxation_loop_body.
3689         (Layout::set_asection_address_from_script): Move code for orphan
3690         section placement out.
3691         (Layout::place_orphan_sections_in_script): New method definition.
3692         * layout.h (Output_segment_headers, Output_file_header):
3693         New forward class declarations.
3694         (Layout::~Layout): Define.
3695         (Layout::new_output_section_data_from_script): New method definition.
3696         (Layout::place_orphan_sections_in_script): New method declaration.
3697         (Layout::Segment_states): New type declaration.
3698         (Layout::save_segments, Layout::restore_segments,
3699         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3700         Layout::relaxation_loop_body): New method declarations.
3701         (Layout::Output_section_data_list): New type declaration.
3702         (Layout::Relaxation_debug_check): New class definition.
3703         (Layout::record_output_section_data_from_script_,
3704         Layout::script_output_section_data_list_, Layout::segment_states_,
3705         Layout::relaxation_debug_check_): New data members.
3706         * output.cc: (Output_section_headers::do_size): New method definition.
3707         (Output_section_headers::Output_section_headers): Move size
3708         computation to Output_section_headers::do_size.
3709         (Output_segment_headers::do_size): New method definition.
3710         (Output_file_header::Output_file_header): Move size computation to 
3711         Output_file_header::do_size and call it.
3712         (Output_file_header::do_size): New method definition.
3713         (Output_data_group::Output_data_group): Adjust call to
3714         Output_section_data.
3715         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3716         (Output_symtab_xindex::do_write): Add array bound check.
3717         (Output_section::Input_section::print_to_mapfile): Handle
3718         RELAXED_INPUT_SECTION_CODE.
3719         (Output_section::Output_section): Initialize data member checkpoint_.
3720         (Output_section::~Output_section): Delete checkpoint object pointed
3721         by checkpoint_.
3722         (Output_section::add_input_section): Always add an Input_section if
3723         relaxing.
3724         (Output_section::add_merge_input_section): Add assert.
3725         (Output_section::relax_input_section): New method definition.
3726         (Output_section::set_final_data_size): Set load address to zero for
3727         an unallocated section.
3728         (Output_section::do_address_and_file_offset_have_reset_values):
3729         New method definition.
3730         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3731         Handle relaxed input section.
3732         (Output_section::sort_attached_input_sections): Checkpoint input
3733         section list lazily.
3734         (Output_section::get_input_sections): Change type of input_sections to
3735         list of Simple_input_section pointers.  Checkpoint input section list
3736         lazily.  Also handle relaxed input sections.
3737         (Output_section::add_input_section_for_script): Take a reference to
3738         a Simple_input_section object instead of Relobj pointer and section
3739         index as parameter.  Handle relaxed input sections.
3740         (Output_section::save_states, Output_section::restore_states): New
3741         method definitions.
3742         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3743         (Output_data::is_data_size_fixed): New method definition.
3744         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3745         if it is fixed.
3746         (Output_data::address_and_file_offset_have_reset_values): New method
3747         definition.
3748         (Output_data::do_address_and_file_offset_have_reset_values): New method
3749         definition.
3750         (Output_data::set_data_size): Check that data size is not fixed.
3751         (Output_data::fix_data_size): New method definition.
3752         (Output_data::is_data_size_fixed_): New data member.
3753         (Output_section_headers::set_final_data_size): New method definition.
3754         (Output_section_headers::do_size): New method declaration.
3755         (Output_segment_headers::set_final_data_size): New method definition.
3756         (Output_segment_headers::do_size): New method declaration.
3757         (Output_file_header::set_final_data_size)::New method definition.
3758         (Output_file_header::do_size)::New method declaration.
3759         (Output_section_data::Output_section_data): Add new parameter
3760         is_data_size_fixed and use it to fix data size.
3761         (Output_data_const::Output_data_const): Adjust call to base class
3762         constructor and fix data size.
3763         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3764         base class constructor and fix data size.
3765         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3766         base class constructor and fix data size.
3767         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3768         class constructor and fix data size.
3769         (Output_data_group::set_final_data_size): New method definition.
3770         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3771         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3772         class constructor and fix data size.
3773         (Output_relaxed_input_section): New class definition.
3774         (Output_section::Simple_input_section): New class definition.
3775         (Output_section::get_input_sections): Adjust parameter list.
3776         (Output_section::add_input_section_for_script): Same.
3777         (Output_section::save_states, Output_section::restore_states,
3778         Output_section::do_address_and_file_offset_have_reset_values,
3779         (Output_section::Input_section::Input_section): Handle
3780         RELAXED_INPUT_SECTION_CODE.  Add new overload for
3781         Output_relaxed_input_section.
3782         (Output_section::Input_section::is_input_section,
3783         Output_section::Input_section::set_output_section): Handle relaxed
3784         input section.
3785         (Output_section::Input_section::is_relaxed_input_section,
3786         Output_section::Input_section::output_section_data,
3787         Output_section::Input_section::relaxed_input_section): New method
3788         definitions.
3789         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3790         value.
3791         (Output_section::Input_section::u1_): Update comments.
3792         (Output_section::Input_section::u2_): Add new union member poris.
3793         (Output_section::Checkpoint_output_section): New classs definition.
3794         (Output_section::relax_input_section): New method declaration.
3795         (Output_section::checkpoint_): New data member.
3796         (Output_segment): Update comments.
3797         (Output_segment::Output_segment): Un-privatize copy constructor.
3798         (Output_segment::operator=): Un-privatize.
3799         * script-sections.cc (Output_section_element::Input_section_list):
3800         Change element type to Output_section::Simple_input_section.
3801         (Output_section_element_dot_assignment::set_section_addresses):
3802         Register output section data for relaxation clean up.
3803         (Output_data_exression::Output_data_expression): Adjust call to base
3804         constructor to fix data size.
3805         (Output_section_element_data::set_section_addresses): Register
3806         Output_data_expression object for relaxation clean up.
3807         (struct Input_section_info): Replace Relobj pointer and section index
3808         pair with Output_section::Simple_input_section and Convert struct to a
3809         class.
3810         (Input_section_sorter::operator()): Adjust access to
3811         Input_section_info data member to use accessors. 
3812         (Output_section_element_input::set_section_addresses): Use layout
3813         parameter.  Adjust code to use Output_section::Simple_input_section
3814         and Input_secction_info classes.  Register filler for relaxation
3815         clean up.
3816         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3817         and section index pair with Output_section::Simple_input_section
3818         class.  Adjust code accordingly.
3819         (Phdrs_element::release_segment): New method definition.
3820         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3821         segment list.
3822         (Script_sections::release_segments): New method definition.
3823         * gold/script-sections.h (Script_sections::release_segments): New
3824         method declaration.
3825         * gold/target.h (Target::may_relax, Target::relax,
3826         Target::do_may_relax, Target::do_relax): New method definitions.
3827
3828 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3829
3830         * arm.cc (has_signed_unsigned_overflow): New function.
3831         (Arm_relocate_functions::abs8): New function.
3832         (Target_arm::Scan::local): Handle R_ARM_ABS8.
3833         (Target_arm::Scan::global): Likewise.
3834         (Target_arm::relocate::relocate): Likewise.
3835         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3836         Likewise.
3837
3838 2009-09-16  Cary Coutant  <ccoutant@google.com>
3839
3840         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3841         * testsuite/Makefile.in: Regenerate.
3842
3843 2009-09-11  Nick Clifton  <nickc@redhat.com>
3844
3845         * po/gold.pot: Updated by the Translation project.
3846
3847 2009-09-08  Cary Coutant  <ccoutant@google.com>
3848
3849         * output.cc (Output_file::open): Add execute permission to empty file.
3850         * testsuite/Makefile.am (permission_test): New test.
3851         * testsuite/Makefile.in: Regenerate.
3852
3853 2009-09-02  Ian Lance Taylor  <iant@google.com>
3854
3855         * output.cc (Output_file::resize): Call map_no_anonymous rather
3856         than map.
3857
3858 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
3859
3860         * gold.cc: Include "incremental.h".
3861         (queue_initial_tasks): Call Incremental_checker methods.
3862         * incremental.cc: Include "output.h".
3863         (Incremental_checker::can_incrementally_link_output_file): New
3864         method.
3865         * incremental.h (Incremental_checker): New class.
3866
3867         * output.cc (Output_file::open_for_modification): New method.
3868         (Output_file::map_anonymous): Changed return type to bool.  Record
3869         map in base_ field.
3870         (Output_file::map_no_anonymous): New method, broken out of map.
3871         (Output_file::map): Use map_no_anonymous and map_anonymous.
3872         * output.h (class Output_file): Update declarations.
3873
3874 2009-08-24  Cary Coutant  <ccoutant@google.com>
3875
3876         * options.h (Command_line::Pre_options): New class.
3877         (Command_line::pre_options): New member.
3878         * options.cc (gold::options::ready_to_register): New variable.
3879         (One_option::register_option): Do nothing if not registering options.
3880         Assert if same short option registered twice.
3881         (General_options::General_options): Turn off option registration when
3882         done constructing.
3883         (Command_line::Pre_options::Pre_options): New constructor.
3884
3885 2009-08-24  Cary Coutant  <ccoutant@google.com>
3886
3887         * options.h (General_options::no_keep_memory): Remove incorrect
3888         short option.
3889
3890 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3891
3892         * Makefile.am (am__skiplex, am__skipyacc): New.
3893         * Makefile.in: Regenerate.
3894
3895 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3896
3897         * Makefile.am (AM_CPPFLAGS): Renamed from ...
3898         (INCLUDES): ... this.
3899         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3900         (AM_CPPFLAGS): Renamed from ...
3901         (INCLUDE): ... this.
3902         * Makefile.in, testsuite/Makefile.in: Regenerate.
3903
3904         * Makefile.in: Regenerate.
3905         * aclocal.m4: Likewise.
3906         * config.in: Likewise.
3907         * configure: Likewise.
3908         * testsuite/Makefile.in: Likewise.
3909
3910         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3911         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3912         * Makefile.in: Regenerate.
3913         * testsuite/Makefile.in: Regenerate.
3914
3915 2009-08-19  Cary Coutant  <ccoutant@google.com>
3916
3917         * resolve.cc (Symbol_table::resolve): Don't complain about defined
3918         symbols in shared libraries overridden by hidden or internal symbols
3919         in the main program.
3920
3921 2009-08-19  Chris Demetriou  <cgd@google.com>
3922
3923         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3924         checking source file names in error messages.
3925
3926 2009-08-18  Doug Kwan  <dougkwan@google.com>
3927
3928         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3929         an elcpp::Ehdr as parameter.  Adjust call to set_target.
3930         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3931         an elfcpp::Ehdr as parameter.
3932         * object.cc (Object::set_target): Remove the version that looks up
3933         a target and sets it.
3934         (Sized_relobj::setup): Take a Target object instead of
3935         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
3936         (make_elf_sized_object): Find target and ask target to
3937         make an ELF object.
3938         * object.h: (Object::set_target): Remove the version that looks up
3939         a target and sets it.
3940         (Sized_relobj::setup): Take a Target object instead of
3941         an elfcpp:Ehdr as parameter.
3942         * target.cc: Include dynobj.h.
3943         (Target::do_make_elf_object_implementation): New.
3944         (Target::do_make_elf_object): New.
3945         * target.h (Target::make_elf_object): New template declaration.
3946         (Target::do_make_elf_object): New method declarations.
3947         (Target::do_make_elf_object_implementation): New template declaration.
3948
3949 2009-08-14  Ian Lance Taylor  <iant@google.com>
3950
3951         * gold.h (FUNCTION_NAME): Define.
3952         (gold_unreachable): Use FUNCTION_NAME.
3953
3954 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3955
3956         * icf.cc (Icf::find_identical_sections): Issue a warning when a
3957         symbol in the --keep-unique list is not found.
3958
3959 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3960
3961         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3962         been maked as --keep-unique.
3963         (Icf::unfold_section): New function.
3964         * icf.h (Icf::unfold_section): New function.
3965         * options.h (General_options::keep_unique): New option.
3966         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3967         * testsuite/Makefile.in: Regenerate.
3968         * testsuite/icf_keep_unique_test.sh: New file.
3969         * testsuite/icf_keep_unique_test.cc: New file.
3970
3971 2009-08-12  Cary Coutant  <ccoutant@google.com>
3972
3973         PR 10471
3974         * resolve.cc (Symbol_table::resolve): Check for references from
3975         dynamic objects to hidden and internal symbols.
3976         * testsuite/Makefile.am (hidden_test.sh): New test.
3977         * testsuite/Makefile.in: Regenerate.
3978         * testsuite/hidden_test.sh: New script.
3979         * testsuite/hidden_test_1.c: New test source.
3980         * testsuite/hidden_test_main.c: New test source.
3981
3982 2009-08-11  Doug Kwan  <dougkwan@google.com>
3983
3984         * arm.cc: Update comments.
3985         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3986         segment to locate the .ARM.exidx section if present.
3987
3988 2009-08-09  Doug Kwan  <dougkwan@google.com>
3989
3990         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3991         patch.
3992
3993 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
3994         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3995         compiler warnings.
3996
3997 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
3998
3999         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4000         valid tls_segment only for non-debug-section relocations.
4001         * testsuite/Makefile.am: Add gc_tls_test.
4002         * testsuite/Makefile.in: Regenerate.
4003         * testsuite/gc_tls_test.cc: New file.
4004         * testsuite/gc_tls_test.sh: New file.
4005
4006 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4007         
4008         * icf.cc: New file.
4009         * icf.h: New file.
4010         * Makefile.am (CCFILES): Add icf.cc.
4011         (HFILES): Add icf.h
4012         * Makefile.in: Regenerate.
4013         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4014         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4015         section, symbol and addend information for the relocs.
4016         * gold.cc (queue_middle_tasks): Call identical code folding.
4017         * gold.h: Add defines for multimap.
4018         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4019         to the call of finalize_local_symbols.
4020         * main.cc (main): Create object of class Icf.
4021         * object.cc (Sized_relobj::do_layout): Allow this function to be
4022         called twice during icf.
4023         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4024         to sections marked as identical by icf.
4025         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4026         when available.
4027         (Sized_relobj::do_section_entsize): New function.
4028         * object.h (Object::section_entsize): New function.
4029         (Object::do_section_entsize): New pure virtual function.
4030         (Relobj::finalize_local_symbols): Add new parameter.
4031         (Relobj::do_section_entsize): New function.
4032         * options.h (General_options::icf): New option.
4033         (General_options::icf_iterations): New option.
4034         (General_options::print_icf_sections): New option.
4035         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4036         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4037         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4038         icf.
4039         * symtab.cc (Symbol_table::is_section_folded): New function.
4040         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4041         to sections marked as identical by icf.
4042         * symtab.h (Symbol_table::set_icf): New function.
4043         (Symbol_table::icf): New function.
4044         (Symbol_table::is_section_folded): New function.
4045         (Symbol_table::icf_): New data member.
4046         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4047         * testsuite/Makefile.am: Add commands to build icf_test.
4048         * testsuite/Makefile.in: Regenerate.
4049         * testsuite/icf_test.sh: New file.
4050         * testsuite/icf_test.cc: New file.
4051
4052 2009-07-24  Chris Demetriou  <cgd@google.com>
4053
4054         * layout.cc (is_compressible_debug_section): Fix incorrect
4055         comment about compressed section names.
4056
4057 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4058
4059         PR 10419
4060         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4061
4062 2009-07-16  Ian Lance Taylor  <iant@google.com>
4063
4064         PR 10400
4065         * layout.h: #include <map>.
4066         (class Kept_section): Change from struct to class.  Add accessors
4067         and setters.  Add section size to Comdat_group mapping.  Change
4068         Comdat_group to std::map.  Add is_comdat_ field.  Add
4069         linkonce_size field in union.
4070         (class Layout): Update declaration of find_or_add_kept_section.
4071         Don't declare find_kept_object.
4072         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4073         parameter.  Add object, shndx, is_comdat, and is_group_name
4074         parameters.  Change all callers.  Adjust for new Kept_section.
4075         (Layout::find_kept_object): Remove.
4076         * object.cc (Sized_relobj::include_section_group): Update use of
4077         Kept_section.  Rename secnum to shndx.  Only record
4078         Kept_comdat_section if sections are the same size.
4079         (Sized_relobj::include_linkonce_section): Update use of
4080         Kept_section.  Only record Kept_comdat_section if sections are the
4081         same size.  Set size of linkonce section.
4082         (Sized_relobj::map_to_kept_section): Update call to
4083         get_kept_comdat_section.
4084         * object.h (class Sized_relobj): Rename fields in
4085         Kept_comdat_section to drop trailing underscores; change object
4086         field to Relobj*.  Change Kept_comdat_section_table to store
4087         struct rather than pointer.
4088         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4089         Add kept_object and kept_shndx parameters.  Change all callers.
4090         (Sized_relobj::get_kept_comdat_section): Change return type to
4091         bool.  Add kept_object and kept_shndx parameters.  Change all
4092         callers.
4093         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4094         Layout::find_or_add_kept_section.
4095
4096 2009-07-09  Ian Lance Taylor  <iant@google.com>
4097
4098         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4099         Reserve space in the hash table.
4100
4101 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4102
4103         * fileread.cc (File_read::get_mtime): New method.
4104         * fileread.h (Timespec): New structure.
4105         (File_read::get_mtime): New method.
4106         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4107         Renamed from timestamp_nsec.
4108         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4109         Elf_Xword.
4110         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4111         timestamp_nsec.
4112         (Incremental_inputs::report_archive): Save mtime; style fix. 
4113         (Incremental_inputs::report_obejct): Save mtime; style fix.
4114         (Incremental_inputs::report_script): Save mtime; style fix.
4115         (Incremental_inputs::finalize_inputs): Style fix.
4116         (Incremental_inputs::finalize): Style fix.
4117         (Incremental_inputs::create_input_section_data): Store inputs
4118         mtime.
4119         * incremental.h (Incremental_inputs::report_script): Add mtime
4120         argument.
4121         (Incremental_inputs::Input_info::Input_info): Intialize only one
4122         union member.
4123         (Incremental_inputs::Input_info::archive): Move to nameless
4124         union.
4125         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4126         (Incremental_inputs::Input_info::script): Move to nameless union.
4127         (Incremental_inputs::mtime): New field.
4128         * script.cc (read_input_script): Pass file mtime to
4129         Incremental_input.
4130         * script.h (Script_info::inputs): Style fix.
4131
4132 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4133
4134         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4135         instead of 32.
4136
4137 2009-06-24  Ian Lance Taylor  <iant@google.com>
4138
4139         PR 10156
4140         * layout.cc (Layout::choose_output_section): If we find an
4141         existing section, update the flags.
4142         (Layout::create_notes): New function, broken out of
4143         Layout::finalize.
4144         (Layout::finalize): Don't create note sections.
4145         (Layout::create_note): Don't crash if linker script discards
4146         section.
4147         (Layout::create_gold_note): Likewise.
4148         (Layout::create_build_id): Likewise.  Don't set
4149         after_input_sections on the section.
4150         (Layout::create_executable_stack_info): Remove target parameter.
4151         Change caller.
4152         * layout.h (class Layout): Declare create_notes.  Update
4153         declaration of create_executable_stack_info.
4154         * gold.cc (queue_middle_tasks): Call create_notes.
4155         * output.cc (Output_section::update_flags_for_input_section): Move
4156         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4157         invalid.
4158         * output.h (Output_data::mark_address_invalid): New function.
4159         (class Output_section): Only declare, not define,
4160         update_flags_for_input_section.  Remove set_flags.
4161
4162 2009-06-24  Ian Lance Taylor  <iant@google.com>
4163
4164         * script-sections.cc (Output_section_definition::
4165         set_section_addresses): Rename shadowing local load_address to
4166         laddr.
4167
4168 2009-06-24  Ian Lance Taylor  <iant@google.com>
4169
4170         PR 10244
4171         * reloc.cc (relocate_sections): Skip empty relocation sections.
4172
4173 2009-06-23  Ian Lance Taylor  <iant@google.com>
4174
4175         PR 10156
4176         * layout.cc (Layout::create_note): Use choose_output_section
4177         rather than make_output_section.
4178
4179 2009-06-23  Ian Lance Taylor  <iant@google.com>
4180
4181         PR 10237
4182         * options.cc (General_options::parse_V): Set printed_version_.
4183         (General_options::General_options): Initialize printed_version_.
4184         * options.h (class General_options): Add printed_version_ field.
4185         * gold.cc (queue_initial_tasks): If there are no input files,
4186         don't give a fatal error if we printed the version information.
4187         (queue_middle_tasks): If using -r with a shared object, give a
4188         fatal error rather than an ordinary error.
4189
4190 2009-06-23  Ian Lance Taylor  <iant@google.com>
4191
4192         PR 10219
4193         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4194         (Layout::make_output_section): Set have_stabstr_section_ if we see
4195         a .stab*str section.
4196         (Layout::finalize): Call link_stabs_sections.
4197         (Layout::link_stabs_sections): New file.
4198         * layout.h (class Layout): Add have_stabstr_section_ field.
4199         Declare link_stabs_sections.
4200
4201 2009-06-23  Doug Kwan  <dougkwan@google.com>
4202
4203         * Makefile.am (libgold_a_LIBADD): New.
4204         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4205         * Makefile.in: Regenerate.
4206         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4207         * configure: Regenerate.
4208         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4209         * fileread.cc: Include sys/state.h
4210         * gold.h: Declare memmem and strndup if found missing.
4211         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4212
4213 2009-06-23  Ian Lance Taylor  <iant@google.com>
4214
4215         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4216         * configure: Rebuild.
4217
4218 2009-06-23  Ian Lance Taylor  <iant@google.com>
4219
4220         PR 10147
4221         * object.cc (Object::section_contents): Don't try to get a view if
4222         the section has length zero.
4223         (Object::handle_gnu_warning_section): If the section is empty, use
4224         the name of the section as the warning.
4225
4226 2009-06-23  Ian Lance Taylor  <iant@google.com>
4227
4228         PR 10133
4229         * stringpool.h (class Stringpool_template): Add optimize_ field.
4230         (Stringpool_template::set_optimize): New function.
4231         * stringpool.cc (Stringpool_template::Stringpool_template):
4232         Initialize optimize_ field.
4233         (Stringpool_template::set_string_offsets): Test local optimize
4234         fild rather than parameter.
4235         * layout.cc (Layout::Layout): Call set_optimize on the section
4236         name stringpool.
4237
4238 2009-06-22  Ian Lance Taylor  <iant@google.com>
4239
4240         PR 10030
4241         * yyscript.y: Parse TARGET.
4242         * script.cc (script_set_target): New function.
4243         * script-c.h (script_set_target): Declare.
4244         * options.cc (General_options::string_to_object_format): Rename
4245         from string_to_object_format in anonymous namespace.  Change
4246         callers.
4247         * options.h (class General_options): Declare
4248         string_to_object_format.
4249
4250 2009-06-22  Ian Lance Taylor  <iant@google.com>
4251
4252         * script-sections.cc (Script_sections::create_segments): Don't put
4253         program headers in a PT_LOAD segment if -n or -N.
4254
4255 2009-06-22  Ian Lance Taylor  <iant@google.com>
4256
4257         PR 10141
4258         * options.h (class General_options): Add -z lazy and -z now.  Sort
4259         -z options into alphabetical order.
4260         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4261
4262 2009-06-21  Ian Lance Taylor  <iant@google.com>
4263
4264         * layout.cc (Layout::make_output_section): Call
4265         Target::new_output_section.
4266         (Layout::attach_allocated_section_to_segment): Put large section
4267         sections in a separate load segment with the large segment flag
4268         set.
4269         (Layout::segment_precedes): Sort large data segments after other
4270         load segments.
4271         (align_file_offset): New static function.
4272         (Layout::set_segment_offsets): Use align_file_offset.
4273         * output.h (class Output_section): Add is_small_section_ and
4274         is_large_section_ fields.
4275         (Output_section::is_small_section): New function.
4276         (Output_section::set_is_small_section):  New function.
4277         (Output_section::is_large_section): New function.
4278         (Output_section::set_is_large_section): New function.
4279         (Output_section::is_large_data_section): New function.
4280         (class Output_segment): Add is_large_data_segment_ field.
4281         (Output_segment::is_large_data_segment): New function.
4282         (Output_segment::set_is_large_data_segment): New function.
4283         * output.cc (Output_section::Output_section): Initialize new
4284         fields.
4285         (Output_segment::Output_segment): Likewise.
4286         (Output_segment::add_output_section): Add assertion that large
4287         data sections always go in large data segments.  Force small data
4288         sections to the end of the list of data sections.  Force small BSS
4289         sections to the start of the list of BSS sections.  For large BSS
4290         sections to the end of the list of BSS sections.
4291         * symtab.h (class Symbol): Declare is_common_shndx.
4292         (Symbol::is_defined): Check Symbol::is_common_shndx.
4293         (Symbol::is_common): Likewise.
4294         (class Symbol_table): Define enum Commons_section_type.  Update
4295         declarations.  Add small_commons_ and large_commons_ fields.
4296         * symtab.cc (Symbol::is_common_shndx): New function.
4297         (Symbol_table::Symbol_table): Initialize new fields.
4298         (Symbol_table::add_from_object): Put small and large common
4299         symbols in the right list.
4300         (Symbol_table::sized_finalized_symbol): Check
4301         Symbol::is_common_shndx.
4302         (Symbol_table::sized_write_globals): Likewise.
4303         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4304         common symbol lists.  Don't call do_allocate_commons_list if the
4305         list is empty.
4306         (Symbol_table::do_allocate_commons_list): Remove is_tls
4307         parameter.  Add comons_section_type parameter.  Change all
4308         callers.  Handle small and large common symbols.
4309         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4310         Symbol::is_common_shndx.
4311         * resolve.cc (symbol_to_bits): Likewise.
4312         * target.h (Target::small_common_shndx): New function.
4313         (Target::small_common_section_flags): New function.
4314         (Target::large_common_shndx): New function.
4315         (Target::large_common_section_flags): New function.
4316         (Target::new_output_section): New function.
4317         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4318         small_common_section_flags, and large_common_section_flags
4319         fields.
4320         (Target::do_new_output_section): New virtual function.
4321         * arm.cc (Target_arm::arm_info): Initialize new fields.
4322         * i386.cc (Target_i386::i386_info): Likewise.
4323         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4324         Likewise.
4325         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4326         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4327         (Target_x86_64::do_new_output_section): New function.
4328         * configure.ac: Define conditional MCMODEL_MEDIUM.
4329         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4330         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4331         (large_LDFLAGS): Define.
4332         * testsuite/large.c: New file.
4333         * testsuite/testfile.cc (Target_test::test_target_info):
4334         Initialize new fields.
4335         * configure, testsuite/Makefile.in: Rebuild.
4336
4337 2009-06-05  Doug Kwan  <dougkwan@google.com>
4338
4339         * Makefile.am (CCFILES): Add target.cc.
4340         * Makefile.in: Regenerate. 
4341         * i386.cc (class Target_i386): Define new virtual method to
4342         override do_is_local_label_name in parent.
4343         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4344         local symbols if --discard-locals or -X is given.
4345         * options.h (class General_options): Declare new options
4346         '--discard-locals' and '-X' for discarding locals.
4347         * target.h (class Target): Define new methods is_local_label_name.
4348         Declare new virtual method do_is_local_label_name.
4349         * target.cc: New file.
4350         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4351         (check_SCRIPTS): Add discard_locals_test.sh.
4352         (check_DATA): Add discard_local_tests.syms.
4353         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4354         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4355         * testsuite/Makefile.in: Regenerate.
4356         * testsuite/discard_locals_test.c: New file.
4357         * testsuite/discard_locals_test.sh: Same.
4358
4359 2009-06-05  Doug Kwan  <dougkwan@google.com>
4360
4361         * object.cc (Sized_relobj::Sized_relobj): Initialize
4362         discarded_eh_frame_shndx_ to -1U.
4363         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4364         section.
4365         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4366         a discarded .eh_frame section.
4367         (Sized_relobj::do_finalize_local_symbols): Ditto.
4368         * object.h (class Sized_relobj): Declare new member
4369         discarded_eh_frame_shndx_.
4370         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4371         (local_labels_test.o, local_labels_test): New rules.
4372         * testsuite/Makefile.in: Regenerate.
4373
4374 2009-06-04  Doug Kwan  <dougkwan@google.com>
4375
4376         * layout.cc (Layout::section_name_mapping): Add mapping for
4377         special ARM sections.
4378
4379 2009-06-03  Doug Kwan  <dougkwan@google.com>
4380
4381         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4382         (utils::has_overflow): Same.
4383
4384 2009-06-03  Ian Lance Taylor  <iant@google.com>
4385
4386         * layout.cc (Layout::section_name_mapping): New array, replacing
4387         Layout::linkonce_mapping.
4388         (Layout::section_name_mapping_count): New variable, replacing
4389         Layout::linkonce_mapping_count.
4390         (Layout::linkonce_output_name): Remove.
4391         (Layout::output_section_name): Rewrite.
4392         * layout.h (class Layout): Rename Linkonce_mapping to
4393         Section_name_mapping, linkonce_mapping to section_name_mapping,
4394         linkonce_mapping_count to section_name_mapping_count.  Don't
4395         declare linkonce_output_name.
4396
4397 2009-06-03  Doug Kwan  <dougkwan@google.com>
4398
4399         * gold/arm.cc (namespace utils): New.
4400         (Target_arm::reloc_is_non_pic): Define new method.
4401         (class Arm_relocate_functions): New.
4402         (Target_arm::Relocate::relocate): Handle relocation types used by
4403         Android.
4404
4405 2009-06-03  Ian Lance Taylor  <iant@google.com>
4406
4407         * arm.cc (Target_arm::scan::global): Use || instead of |.
4408
4409 2009-06-02  Doug Kwan  <dougkwan@google.com>
4410
4411         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4412         issued_non_pic_error_.
4413         (class Target_arm::Scan): Declare new method check_non_pic.
4414         Define new method symbol_needs_plt_entry.
4415         Declare new data member issued_non_pic_error_.
4416         (class Target_arm::Relocate): Declare new method
4417         should_apply_static_reloc.
4418         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4419         (Target_arm::Scan::check_non_pic): Define new method.
4420         (Target_arm::Scan::local): Handle a small subset of reloc types used
4421         by Android.
4422         (Target_arm::Scan::local): Same.
4423         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4424
4425 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4426
4427         * incremental.cc (Incremental_inputs::report_command_line): Filter
4428         out --incremental-* options.
4429
4430 2009-05-29  Doug Kwan  <dougkwan@google.com>
4431
4432         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4433         template class.
4434         (class Target_arm): Update comment.
4435         (Target_arm::Target_arm): Initialize new data members GOT_,
4436         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4437         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4438         and Target_arm::rel_dyn_section.
4439         Declare new_enum Target_arm::Got_type.
4440         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4441         and DYNBSS_.
4442         Update commments for member do_dynsym_value.
4443         (Target_arm::got_size, Target_arm::plt_section,
4444         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4445         new methods inside class defintion.
4446         (Target_arm::got_section): Define new method.
4447         (Target_arm::rel_dyn_section): Same.
4448         (Output_data_plt_arm): New template class.
4449         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4450         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4451         (Output_data_plt_arm::add_entry): Same.
4452         (Output_data_plt_arm::first_plt_entry): Define new
4453         static data member for PLT instruction template.
4454         (Output_data_plt_arm::plt_entry): Same.
4455         (Output_data_plt_arm::do_write): Define new method.
4456         (Target_arm::make_plt_entry): Same.
4457         (Target_arm::do_finalize_sections): Same.
4458         (Target_arm::do_dynsym_value): Same.
4459
4460 2009-05-28  Doug Kwan  <dougkwan@google.com>
4461
4462         * Makefile.am (TARGETSOURCES): Add arm.cc.
4463         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4464         * Makefile.in: Regenerate.
4465         * arm.cc: New file.
4466         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4467
4468 2009-05-26  Doug Kwan  <dougkwan@google.com>
4469
4470         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4471         (General_options::check_excluded_libs): Strip off directories in
4472         archive name before matching like GNU ld does.
4473         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4474         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4475         (exclude_libs_test_LDFLAGS): Add linker option
4476         -Wl,--exclude-libs,libexclude_libs_test_3
4477         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4478         an explicit archive without using -l.
4479         (alt/libexclude_libs_test_3.a): New make rule.
4480         * testsuite/Makefile.in: Regenerate.
4481         * testsuite/exclude_libs_test.c : Declare lib3_default().
4482         (main): Call it.
4483         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4484         * exclude_libs_test_3.c: New file.
4485
4486 2009-05-26  Nick Clifton  <nickc@redhat.com>
4487
4488         * po/id.po: New Indonesian translation.
4489         * po/gold.pot: Updated template file.
4490
4491 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4492
4493         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4494         gc_comdat_test files.  Add -Wl,--gc-sections to build
4495         gc_comdat_test.
4496         * testsuite/Makefile.in: Regenerate.
4497         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4498
4499 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4500
4501         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4502         kept comdat section was garbage collected.
4503         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4504         * testsuite/Makefile.in: Regenerate.
4505         * testsuite/gc_comdat_test.sh: New file.
4506         * testsuite/gc_comdat_test_1.cc: New file.
4507         * testsuite/gc_comdat_test_2.cc: New file.
4508
4509 2009-05-19  Doug Kwan  <dougkwan@google.com>
4510
4511         * archive.cc (Archive::Archive): Move constructor from archive.h
4512         to here.  Initialize no_export_.
4513         (Archive::get_elf_object_for_member): Set no_export flag of object.
4514         * archive.h (Archive::Archive): Move constructor body to
4515         archive.cc.
4516         (Archive::no_export): New method.
4517         (Archive::no_export_): New field.
4518         * object.h (Object::Object): Initialize no_export_ to false.
4519         (Object::no_export, Object::set_no_export): New methods.
4520         (Object::no_export_): New field.
4521         * options.cc (General_options::parse_exclude_libs): New method.
4522         (General_options::check_excluded_libs) Same.
4523         * options.h (exclude_libs): New option.
4524         (General_options::check_excluded_libs): New method declaration.
4525         (General_options::excluded_libs_): New field.
4526         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4527         default or protected visibility if an object has no-export flag set.
4528         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4529         (check_SCRIPTS): Add exclude_libs_test.sh.
4530         (check_DATA): Add exclude_libs_test.syms.
4531         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4532         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4533         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4534         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4535         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4536         libexclude_libs_test_2.a): New rules.
4537         * testsuite/Makefile.in: Regenerate.
4538         * testsuite/exclude_libs_test.c: New file.
4539         * testsuite/exclude_libs_test.sh: Ditto.
4540         * testsuite/exclude_libs_test_1.c: Ditto.
4541         * testsuite/exclude_libs_test_2.c: Ditto.
4542
4543 2009-05-15  Ian Lance Taylor  <iant@google.com>
4544
4545         * configure.ac: Check for declarations for cases where libiberty.h
4546         checks HAVE_DECL_xxx.
4547         * configure, config.in: Rebuild.
4548
4549 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4550
4551         * gold.h (Incremental_argument_list): Remove (invalid) forward
4552         declaration.
4553         * incremental.cc (Incremental_inputs::report_achive): New method.
4554         (Incremental_inputs::report_object): New method.
4555         (Incremental_inputs::report_script): New method.
4556         (Incremental_inputs::finalize_inputs): New method.
4557         (Incremental_inputs::finalize): Call finalize_inputs().
4558         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4559         Create inputs entries.
4560         * incremental.h (Incremental_input_type): New enum.
4561         (Incremental_inputs::Incremental_input): Initialize new fields.
4562         (Incremental_inputs::report_inputs): New method.
4563         (Incremental_inputs::report_achive): New method.
4564         (Incremental_inputs::report_object): New method.
4565         (Incremental_inputs::report_script): New method.
4566         (Incremental_inputs::finalize_inputs): New method.
4567         (Incremental_inputs::Input_info): New struct.
4568         (Incremental_inputs::Input_info_map): New typedef.
4569         (Incremental_inputs::lock_): New field.
4570         (Incremental_inputs::Inputs_): New field.
4571         (Incremental_inputs::Inputs_map): New field.
4572         * main.cc (main): Call Incremental_input::report_inputs.
4573         * options.h (Input_argument_list): Typedef moved from
4574         Input_arguments.
4575         (Input_file_group::Files): Remove, use ::Input_argument_list.
4576         (Input_file_group::Input_argument_list): Remove, use
4577         ::Input_argument_list.
4578         * plugin.cc (Plugin_manager::add_input_file): Add error in
4579         incremental build.
4580         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4581         functions.
4582         * script.cc (read_input_script): Call
4583         Incremental_input::report_script.
4584         * script.h (Script_info): New class.
4585
4586 2009-04-27  Ian Lance Taylor  <iant@google.com>
4587
4588         * x86_64.cc (do_adjust_output_section): Set entsize to
4589         plt_entry_size.
4590
4591 2009-04-23  Elliott Hughes  <enh@google.com>
4592
4593         * output.cc (Output_file::close): After short writes, continue
4594         writing from the correct offset in the buffer being written.
4595
4596 2009-04-23  Chris Demetriou  <cgd@google.com>
4597
4598         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4599         * configure: Regenerate.
4600         * config.in: Regenerate.
4601         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4602         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4603
4604 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4605
4606         * incremental.cc (Incremental_inputs_header_data): Renamed from
4607         Incremental_input_header_data.
4608         (Incremental_inputs_header_data::data_size): New field.
4609         (Incremental_inputs_header_data::put_input_file_count): Renamed
4610         from input_file_count.
4611         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4612         from command_line_offset.
4613         (Incremental_inputs_header_data::put_reserved): Renamed from
4614         put_reserved.
4615         (Incremental_inputs_entry_data): Renamed from
4616         Incremental_input_entry_data.
4617         (Incremental_inputs_entry_data::data_size): New field.
4618         (Incremental_inputs::report_command_line): New method.
4619         (Incremental_inputs::finalize): New method.
4620         (Incremental_inputs::create_incremental_inputs_data): New method.
4621         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4622         * incremental.h: New file.
4623         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4624        (Layout::finalize): Create incremental inputs section in
4625         incremental builds.
4626        (Layout::create_incremental_info_sections): New method.
4627         * layout.h (Layout::incremental_inputs): New method.
4628        (Layout::create_incremental_info_sections): New method.
4629        (Layout::incremental_inputs_): New field.
4630         * main.cc (main): Notify Incremental_input of the command line.
4631
4632 2009-04-01  Ian Lance Taylor  <iant@google.com>
4633             Mikolaj Zalewski  <mikolajz@google.com>
4634
4635         * gold.h (reserve_unordered_map): Define, three versions, one for
4636         each version of Unordered_map.
4637         * layout.cc (Layout::Layout): Remove options parameter.  Add
4638         number_of_input_files parameter.  Don't initialize options_.
4639         Initialize number_of_input_files_ and resized_signatures_.  Move
4640         sections_are_attached_.
4641         (Layout::layout_group): Reserve space for group_signatures_.
4642         (Layout::find_or_add_kept_section): Change name parameter to be a
4643         reference.  Resize signatures_ map when it gets large enough.
4644         (Layout::layout_eh_frame): Use parameters->options() instead of
4645         this->options_.
4646         (Layout::make_output_section): Likewise.
4647         (Layout::attach_allocated_section_to_segment): Likewise.
4648         (Layout::finalize, Layout::create_executable_stack): Likewise.
4649         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4650         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4651         * layout.h (class Layout): Update declarations.  Remove options_
4652         field.  Add number_of_input_files_ and resized_signatures_
4653         fields.  Move sections_are_attached_ field.
4654         * main.cc (main): Pass number of input files to Layout
4655         constructor.  Don't pass options.
4656
4657 2009-03-30  Ian Lance Taylor  <iant@google.com>
4658
4659         * ffsll.c (ffsll): Correct implementation.
4660
4661 2009-03-27  Ian Lance Taylor  <iant@google.com>
4662
4663         * ffsll.c: New file.
4664         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4665         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4666         * ftruncate.c (ftruncate): Declare before definition.
4667         * mremap.c (mremap): Likewise.
4668         * pread.c (pread): Likewise.
4669         * configure, Makefile.in, config.in: Rebuild.
4670
4671         * mremap.c: New file.
4672         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4673         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4674         (mremap): Declare if HAVE_MREMAP is not defined.
4675         * configure, Makefile.in, config.in: Rebuild.
4676
4677 2009-03-27  Cary Coutant  <ccoutant@google.com>
4678
4679         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4680         position independent.
4681         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4682         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4683
4684 2009-03-24  Cary Coutant  <ccoutant@google.com>
4685
4686         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4687         an executable.
4688         (needs_dynamic_reloc): Likewise.
4689
4690 2009-03-24  Ian Lance Taylor  <iant@google.com>
4691
4692         * yyscript.y (file_cmd): Recognize EXTERN.
4693         (extern_name_list, extern_name_list_body): New nonterminals.
4694         * script.cc (script_add_extern): Define.
4695         * script-c.h (script_add_extern): Declare.
4696
4697 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4698
4699         * object.cc (is_elf_object): Define.
4700         * object.h (is_elf_object): Declare.
4701         * archive.cc (Archive::get_elf_object_for_member): Call
4702         is_elf_object.
4703         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4704
4705 2009-03-24  Elliott Hughes  <enh@google.com>
4706
4707         * output.cc (Output_file::map_anonymous): Define.
4708         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4709         try an anonymous one.  Report the size if the mmap fails.
4710         * output.h (class Output_file): Declare map_anonymous.
4711
4712 2009-03-24  Ian Lance Taylor  <iant@google.com>
4713
4714         * target-select.cc (instantiate_target): Don't acquire the lock if
4715         the instantiated_target_ field has already been set.
4716
4717 2009-03-23  Ian Lance Taylor  <iant@google.com>
4718
4719         * gold-threads.h (class Initialize_lock): Define.
4720         * gold-threads.cc (class Initialize_lock_once): Define.
4721         (initialize_lock_control): New static variable.
4722         (initialize_lock_pointer): New static variable.
4723         (initialize_lock_once): New static function.
4724         (Initialize_lock::Initialize_lock): Define.
4725         (Initialize_lock::initialize): Define.
4726         * target-select.h: Include "gold-threads.h".
4727         (class Target_selector): Add lock_ and initialize_lock_ fields.
4728         Don't define instantiate_target, just declare it.
4729         * target-select.cc (Target_selector::Target_selector): Initialize
4730         new fields.
4731         (Target_selector::instantiate_target): Define.
4732         * descriptors.h: Include "gold-threads.h".
4733         (class Descriptors): Add initialize_lock_ field.
4734         * descriptors.cc (Descriptors::Descriptors): Initialize new
4735         field.
4736         (Descriptors::open): Use initialize_lock_ field
4737         * errors.h (class Errors): Add initialize_lock_ field.
4738         * errors.cc (Errors::Errors): Initialize new field.
4739         (Errors::initialize_lock): Use initialize_lock_ field.
4740         * powerpc.cc (class Target_selector_powerpc): Remove
4741         instantiated_target_ field.  In do_recognize call
4742         instantiate_target rather than do_instantiate_target.  In
4743         do_instantiate_target just allocate a new target.
4744         * sparc.cc (class Target_selector_sparc): Likewise.
4745
4746         * freebsd.h: New file.
4747         * i386.cc: Include "freebsd.h".
4748         (Target_i386): Derive from Target_freebsd rather than
4749         Sized_target.
4750         (Target_selector_i386): Derive from Target_selector_freebsd rather
4751         than Target_selector.
4752         * x86_64.cc: Include "freebsd.h".
4753         (Target_x86_64): Derive from Target_freebsd rather than
4754         Sized_target.
4755         (Target_selector_x86_64): Derive from Target_selector_freebsd
4756         rather than Target_selector.
4757         * target.h (class Target): Add adjust_elf_header and
4758         do_adjust_elf_header.
4759         * output.cc (Output_file_header:: do_sized_write): Call target
4760         adjust_elf_header routine.
4761         * configure.tgt: Set targ_osabi.
4762         * configure.ac: Define GOLD_DEFAULT_OSABI.
4763         * parameters.cc (Parameters::default_target): Pass
4764         GOLD_DEFAULT_OSABI to select_target.
4765         * target-select.h (class Target_selector): Make instantiate_target
4766         protected rather than private.
4767         * Makefile.am (HFILES): Add freebsd.h.
4768         * configure, Makefile.in, config.in: Rebuild.
4769
4770         * merge.cc (do_add_input_section): Correct pend value.  Change
4771         message about last entry not being null terminated from error to
4772         warning.
4773
4774 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4775
4776         * incremental.cc: New file.
4777         * Makefile.am (CCFILES): Add incremental.cc.
4778         * Makefile.in: Rebuild.
4779
4780 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
4781
4782         * layout.cc (Layout::output_section_name): Preserve names
4783         of '.note.' sections.
4784         
4785 2009-03-19  Ian Lance Taylor  <iant@google.com>
4786
4787         * descriptors.cc (Descriptors::open): Check that the options are
4788         valid before using them.
4789
4790 2009-03-18  Ian Lance Taylor  <iant@google.com>
4791
4792         * script-sections.h: Include <list>.
4793         (class Script_sections): Change Sections_elements from std::vector
4794         to std::list.  Typedef public Elements_iterator.  Add
4795         orphan_section_placement_, data_segment_align_start_, and
4796         saw_data_segment_align_ fields.  Remove data_segment_align_index_
4797         field.
4798         * script-sections.cc (class Orphan_section_placement): New class.
4799         (class Sections_element): Add virtual functions is_relro and
4800         orphan_section_init.  Remove virtual function place_orphan_here.
4801         (class Output_section_definition): Add is_relro and
4802         orphan_section_init.  Remove place_orphan_here.
4803         (class Orphan_output_section): Likewise.
4804         (Script_sections::Script_sections): Update for field changes.
4805         (Script_sections::data_segment_align): Set saw_data_segment_align_
4806         and data_segment_align_start_, not data_segment_align_index.
4807         (Script_sections::data_segment_relro_end): Check
4808         saw_data_segment_align_.  Use data_segment_align_start_ rather
4809         than data_segment_align_index_.
4810         (Script_sections::place_orphan): Rewrite to use
4811         Orphan_section_placement.
4812
4813 2009-03-17  Ian Lance Taylor  <iant@google.com>
4814
4815         * archive.cc (Archive::add_symbols): Check for a version attached
4816         to the symbol name in the archive map.
4817         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4818         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4819         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4820         (ver_test_11.a): New target.
4821         * testsuite/Makefile.in: Rebuild.
4822
4823         * configure.ac: Check for chsize and posix_fallocate.  Replace
4824         ftruncate.
4825         * ftruncate.c: New file, from gnulib.
4826         * output.cc (posix_fallocate): Define dummy version if not
4827         HAVE_POSIX_FALLOCATE.
4828         (Output_file::map): Call posix_fallocate rather than lseek and
4829         write.
4830         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4831         * configure, Makefile.in, config.in: Rebuild.
4832
4833 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
4834         
4835         * layout.h (Layout::create_note): Add section_name parameter.
4836         * layout.cc (Layout::create_note): Likewise.
4837         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4838         
4839 2009-03-17  Ian Lance Taylor  <iant@google.com>
4840
4841         * descriptors.cc: Include "options.h".
4842         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4843         (Descriptors::open): Always use O_CLOEXEC when opening a new
4844         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
4845         then set FD_CLOEXEC.
4846
4847         * sparc.cc (class Target_sparc): Add has_got_section.
4848         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4849         make sure we have a GOT section.
4850
4851         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4852         (Target_sparc::Scan::local): Likewise.
4853         (Target_sparc::Scan::global): Likewise.
4854         (Target_sparc::Relocate::relocate): Likewise.
4855         (Target_sparc::Relocate::relocate_tls): Likewise.
4856
4857         * symtab.cc (Symbol_table::define_default_version): New function,
4858         broken out of add_from_object.
4859         (Symbol_table::add_from_object): Call define_default_version.
4860         (Symbol_table::define_special_symbol): Add resolve_oldsym
4861         parameter.  Change all callers.  If the version for a symbol comes
4862         from a version script, resolve it with the symbol with the same
4863         name with no version.  Also add the symbol without a version if
4864         appropriate.
4865         (do_define_in_output_data): If resolving with oldsym, don't delete
4866         sym.
4867         (do_define_in_output_segment): Likewise.
4868         (do_define_as_constant): Likewise.
4869         * symtab.h (class Symbol_table): Update declarations.
4870
4871 2009-03-13  Ian Lance Taylor  <iant@google.com>
4872
4873         * readsyms.cc (Read_symbols::incompatible_warning): New function.
4874         (Read_symbols::requeue): New function.
4875         (Read_symbols::do_read_symbols): If make_elf_object fails because
4876         the target type is not configured, and the file was searched for,
4877         issue a warning and retry with the next directory.
4878         (Add_symbols::run): If the file has an incompatible format, and
4879         it was searched for, requeue the Read_symbols task.  On error,
4880         release the object.
4881         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
4882         dirindex parameter to constructor.  Change all callers.  Declare
4883         incompatible_warning and requeue.
4884         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4885         input_argument_ and input_group_ fields.  Add them to
4886         constructor.  Change all callers.
4887         (class Read_script): Add dirindex_ field.  Add it to constructor.
4888         Change all callers.
4889         * archive.cc (Archive::setup): Remove input_objects parameter.
4890         Change all callers.
4891         (Archive::get_file_and_offset): Likewise.
4892         (Archive::read_all_symbols): Likewise.
4893         (Archive::read_symbols): Likewise.
4894         (Archive::get_elf_object_for_member): Remove input_objects
4895         parameter.  Add punconfigured parameter.  Change all callers.
4896         (Archive::add_symbols): Change return type to bool.  Check return
4897         value of include_member.
4898         (Archive::include_all_members): Likewise.
4899         (Archive::include_member): Change return type to bool.  Return
4900         false if first included object has incompatible target.  Set
4901         included_member_ field.
4902         (Add_archive_symbols::run): If add_symbols returns false, requeue
4903         Read_symbols task.
4904         * archive.h (class Archive): Add included_member_ field.
4905         Initialize it in constructor.  Add input_file and searched_for
4906         methods.  Update declarations.
4907         (class Add_archive_symbols): Add dirpath_, dirindex_, and
4908         input_argument_ fields.  Add them to constructor.  Change all
4909         callers.
4910         * script.cc: Include "target-select.h".
4911         (class Parser_closure): Add skip_on_incompatible_target_ and
4912         found_incompatible_target_ fields.  Add
4913         skip_on_incompatible_target parameter to constructor.  Change all
4914         callers.  Add methods skip_on_incompatible_target,
4915         clear_skip_on_incompatible_target, found_incompatible_target, and
4916         set_found_incompatible_target.
4917         (read_input_script): Add dirindex parameter.  Change all callers.
4918         If parser finds an incompatible target, requeue Read_symbols
4919         task.
4920         (script_set_symbol): Clear skip_on_incompatible_target in
4921         closure.
4922         (script_add_assertion, script_parse_option): Likewise.
4923         (script_start_sections, script_add_phdr): Likewise.
4924         (script_check_output_format): New function.
4925         * script.h (read_input_script): Update declaration.
4926         * script-c.h (script_check_output_format): Declare.
4927         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4928         (ignore_cmd): Remove OUTPUT_FORMAT.
4929         * fileread.cc (Input_file::Input_file): Add explicit this.
4930         (Input_file::will_search_for): New function.
4931         (Input_file::open): Add pindex parameter.  Change all callers.
4932         * fileread.h (class Input_file): Add input_file_argument method.
4933         Declare will_search_for.  Update declarations.
4934         * object.cc (make_elf_object): Add punconfigured parameter.
4935         Change all callers.
4936         * object.h (class Object): Make input_file public.  Add
4937         searched_for method.
4938         (make_elf_object): Update declaration.
4939         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
4940         restart search.
4941         * dirsearch.h (class Dirsearch): Update declaration.
4942         * options.h (class General_options): Add --warn-search-mismatch.
4943         * parameters.cc (Parameters::is_compatible_target): New function.
4944         * parameters.h (class Parameters): Declare is_compatible_target.
4945         * workqueue.cc (Workqueue::add_blocker): New function.
4946         * workqueue.h (class Workqueue): Declare add_blocker.
4947
4948         * fileread.cc (Input_file::open): Remove options parameter.
4949         Change all callers.
4950         (Input_file::open_binary): Likewise.
4951         * script.cc (read_input_script): Likewise.
4952         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
4953         options parameter from constructor.  Change all callers.
4954         (class Read_script): Likewise.
4955         * fileread.h (class Input_file): Update declarations.
4956         * script.h (read_input_script): Update declaration.
4957
4958 2009-03-10  Nick Clifton  <nickc@redhat.com>
4959
4960         * po/es.po: New Spanish translation.
4961
4962 2009-03-06  Cary Coutant  <ccoutant@google.com>
4963
4964         * options.cc (parse_short_option): Keep dash_z from registering itself.
4965
4966 2009-03-03  Ian Lance Taylor  <iant@google.com>
4967
4968         PR 9918
4969         * target-reloc.h (relocate_section): Pass output_section to
4970         relocate.
4971         * i386.cc (Target_i386::should_apply_static_reloc): Add
4972         output_section parameter.  Change all callers.
4973         (Target_i386::Relocate::relocate): Add output_section parameter.
4974         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4975         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4976         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4977         * testsuite/two_file_shared.sh: New script.
4978         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4979         (check_DATA): Add two_file_shared.dbg.
4980         (two_file_shared.dbg): New target.
4981         * testsuite/Makefile.in: Rebuild.
4982
4983 2009-03-01  Ian Lance Taylor  <iant@google.com>
4984
4985         * configure.ac: Check for byteswap.h.
4986         * configure: Rebuild.
4987         * config.in: Rebuild.
4988
4989 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
4990
4991         * layout.cc (Layout::find_or_add_kept_section): New function.
4992         (Layout::add_comdat): Removed.
4993         * layout.h (struct Kept_section): Move out of class Layout.
4994         Remove trailing underscores from field names.  Add group_sections
4995         field.  Rename group_ field to is_group.  Change all uses.
4996         (class Layout): Declare find_or_add_kept_section, not add_comdat.
4997         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4998         comdat_groups_ field.
4999         (Sized_relobj::include_section_group): Use
5000         find_or_add_kept_section and Kept_section::group_sections.
5001         (Sized_relobj::include_linkonce_section): Likewise.
5002         * object.cc (class Sized_relobj): Don't define Comdat_group or
5003         Comdat_group_table.  Remove find_comdat_group and
5004         add_comdat_group.  Remove comdat_groups_ field.
5005         * plugin.cc (include_comdat_group): Use
5006         Layout::find_or_add_kept_section.
5007
5008 2009-02-28  Ian Lance Taylor  <iant@google.com>
5009
5010         * README: --gc-sections and map files are now supported.  Document
5011         some build requirements.
5012
5013         PR 6992
5014         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5015         relocatable link set the value of the section symbol to zero.
5016         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5017         relocatable link don't include the section address in the local
5018         symbol value.
5019
5020 2009-02-27  Ian Lance Taylor  <iant@google.com>
5021
5022         PR 6811
5023         * options.h (class Search_directory): Add is_system_directory.
5024         (class General_options): Declare is_in_system_directory.
5025         * options.cc (get_relative_sysroot): Make static.
5026         (get_default_sysroot): Make static.
5027         (General_optoins::is_in_system_directory): New function.
5028         * fileread.cc (Input_file::is_in_system_directory): New function.
5029         * fileread.h (class Input_file): Declare is_in_system_directory.
5030         * object.h (class Object): Add is_in_system_directory.
5031         (class Input_objects): Remove system_library_directory_ field.
5032         * object.cc (Input_objects::add_object): Don't set
5033         system_library_directory_.
5034         (input_objects::found_in_system_library_directory): Remove.
5035         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5036         parameter.  Change all callers.
5037         (Symbol_table::sized_write_globals): Likewise.
5038         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5039         Call Object::is_in_system_directory.
5040         * symtab.h (class Symbol_table): Update declarations.
5041
5042         PR 5990
5043         * descriptors.h (Open_descriptor): Add is_on_stack field.
5044         * descriptors.cc (Descriptors::open): If the descriptor is on the
5045         top of the stack, remove it.  Initialize is_on_stack field.
5046         (Descriptors::release): Only add pod to stack if it is not on the
5047         stack already.
5048         (Descriptors::close_some_descriptor): Clear stack_next and
5049         is_on_stack fields.
5050
5051         PR 7091
5052         * output.cc (Output_section::find_starting_output_address): Rename
5053         from starting_output_address; add PADDR parameter; change return
5054         type.
5055         * output.h (class Output_section): Declare
5056         find_starting_output_address instead of starting_output_address.
5057         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5058         section symbol for which we can't find a merge section.
5059
5060         PR 9836
5061         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5062         hidden or internal, force the symbol to be local.
5063         * resolve.cc (Symbol::override_visibility): Define.
5064         (Symbol::override_base): Use override_visibility.
5065         (Symbol_table::resolve): Likewise.
5066         (Symbol::override_base_with_special): Likewise.
5067         (Symbol_table::override_with_special): If the visibility is hidden
5068         or internal, force the symbol to be local.
5069         * symtab.h (class Symbol): Add set_visibility and
5070         override_visibility.
5071         * testsuite/ver_test_1.sh: New file.
5072         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5073         (check_DATA): Add ver_test_1.syms.
5074         (ver_test_1.syms): New target.
5075         * testsuite/Makefile.in: Rebuild.
5076
5077 2009-02-25  Cary Coutant  <ccoutant@google.com>
5078
5079         * layout.cc (Layout::choose_output_section): Don't rename sections
5080         when using a linker script that has a SECTIONS clause.
5081         * Makefile.in: Regenerate.
5082
5083         * testsuite/Makefile.am (script_test_5.sh): New test case.
5084         * testsuite/Makefile.in: Regenerate.
5085         * testsuite/script_test_5.cc: New file.
5086         * testsuite/script_test_5.sh: New file.
5087         * testsuite/script_test_5.t: New file.
5088
5089 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5090
5091         * archive.cc (Archive::include_member): Update calls to add_symbols.
5092         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5093         the Layout argument.
5094         * dynobj.h (do_add_symbols): Add the Layout argument.
5095         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5096         Layout argument.
5097         * object.h (Object::add_symbols): Add the Layout argument.
5098         (Object::do_add_symbols): Add the Layout argument.
5099         (Sized_relobj::do_add_symbols): Add the Layout argument.
5100         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5101         Unify the two versions.
5102         (Add_plugin_symbols): Remove.
5103         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5104         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5105         (Add_plugin_symbols): Remove.
5106         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5107         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5108         (Add_symbols::run): Make it work with Pulginobj.
5109
5110 2009-02-06  Ian Lance Taylor  <iant@google.com>
5111
5112         * object.cc (Sized_relobj::do_layout): Make info message start
5113         with lower case letter.
5114
5115 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5116
5117         * binary.cc: Fix file comment.
5118
5119         * options.h (enum Incremental_disposition): Define.
5120         (class General_options): Add new options: --incremental,
5121         --incremental_changed, --incremental_unchanged,
5122         --incremental_unknown.  Add incremental_disposition_ and
5123         implicit_incremental_ fields.
5124         (General_options::incremental_disposition): New function.
5125         (class Position_dependent_options): Add incremental_disposition
5126         option.
5127         (Position_dependent_options::copy_from_options): Set incremental
5128         dispositions.
5129         * options.cc (General_options::parse_incremental_changed): New
5130         function.
5131         (General_options::parse_incremental_unchanged): New function.
5132         (General_options::parse_incremental_unknown): New function.
5133         (General_options::General_options): Initialize new fields
5134         incremental_disposition_ and implicit_incremental_.
5135         (General_options::finalize): Check for uasge of --incremental-*
5136         without --incremental.
5137
5138 2009-02-06  Chris Demetriou  <cgd@google.com>
5139
5140         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5141         pointer and to report location as the file name associated with
5142         the symbol.
5143         (gold_undefined_symbol_at_location): New function to replace the
5144         old gold_undefined_symbol functionality.
5145         * target-reloc.h (relocate_section): Update to use
5146         gold_undefined_symbol_at_location.
5147         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5148         Call gold_undefined_symbol function rather than gold_error.
5149         * errors.h (Errors::undefined_symbol): Take location as a
5150         string, rather than calculating it from a relocation.
5151         * errors.cc (Errors::fatal): Print "fatal error:" before the
5152         formatted message.
5153         (Errors::error, Errors::error_at_location): Print "error: "
5154         before the formatted message.
5155         (Errors::undefined_symbol): Take location as a string, rather
5156         than calculating it from a relocation.
5157         (gold_undefined_symbol_at_location): New function akin to
5158         old gold_undefined_symbol, calculates location from relocation.
5159         (gold_undefined_symbol): Change to take only a Symbol pointer
5160         and to report location as the file name associated with the symbol.
5161         * testsuite/debug_msg.sh: Update for changed error messages.
5162         * testsuite/undef_symbol.sh: Likewise.
5163
5164 2009-02-04  Duncan Sands  <baldrick@free.fr>
5165
5166         PR 9812
5167         * reduced_debug_output.h
5168         (Output_reduced_debug_abbrev_section::failed): Use format for
5169         gold_warning.
5170         (Output_reduced_debug_info_section::faild): Likewise.
5171
5172 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5173
5174         * script.cc (Lazy_demangler): New class.
5175         (Version_script_info::get_symbol_version_helper): Demangle a
5176         symbol only once.
5177
5178 2009-01-29  Cary Coutant  <ccoutant@google.com>
5179
5180         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5181         to __tls_get_addr.
5182         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5183
5184 2009-01-28  Ian Lance Taylor  <iant@google.com>
5185
5186         * version.cc (version_string): Bump to 1.9.
5187
5188         * gold.h: Include <cstring> and <stdint.h>.
5189         * version.cc: Include <cstdio>.
5190         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5191         warning.
5192         * reduced_debug_output.cc (insert_into_vector): Rename from
5193         Insert_into_vector; change all callers.  Use Swap_unaligned to
5194         avoid aliasing issue; remove union since it is unnecessary.
5195
5196 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5197
5198         * Makefile.am (CCFILES): Add gc.cc.
5199         (HFILES): Add gc.h.
5200         * Makefile.in: Regenerate.
5201         * gold.cc (Gc_runner): New class.
5202         (queue_initial_tasks): Call garbage collection related tasks
5203         when corresponding options are invoked.
5204         (queue_middle_gc_tasks): New function.
5205         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5206         processed early before laying out sections during garbage collection.
5207         * gold.h (queue_middle_gc_tasks): New function.
5208         (is_prefix_of): Move from "layout.cc".
5209         * i386.cc (Target_i386::gc_process_relocs): New function.
5210         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5211         * main.cc (main): Create object of class "Garbage_collection".
5212         * object.cc (Relobj::copy_symbols_data): New function.
5213         (Relobj::is_section_name_included): New function.
5214         (Sized_relobj::do_layout): Allow this function to be called twice 
5215         during garbage collection and defer layout of section during the 
5216         first call.
5217         * object.h (Relobj::get_symbols_data): New function.
5218         (Relobj::is_section_name_included): New function.
5219         (Relobj::copy_symbols_data): New function.
5220         (Relobj::set_symbols_data): New function.
5221         (Relobj::get_relocs_data): New function.
5222         (Relobj::set_relocs_data): New function.
5223         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5224         (Relobj::gc_process_relocs): New function.
5225         (Relobj::do_gc_process_relocs): New pure virtual function.
5226         (Relobj::sd_): New data member.
5227         (Sized_relobj::is_output_section_offset_invalid): New function.
5228         (Sized_relobj::do_gc_process_relocs): New function.
5229         * options.h (General_options::gc_sections): Modify to not be a no-op.
5230         (General_options::print_gc_sections): New option.
5231         * plugin.cc (Plugin_finish::run): Remove function call to
5232         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5233         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5234         * reloc.cc (Read_relocs::run): Add task to process relocs and
5235         determine unreferenced sections when doing garbage collection.
5236         (Gc_process_relocs): New class.
5237         (Sized_relobj::do_gc_process_relocs): New function.
5238         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5239         sections that are garbage collected.
5240         * reloc.h (Gc_process_relocs): New class.
5241         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5242         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5243         symbols whose corresponding sections are garbage collected.
5244         (Symbol_table::Symbol_table): Add new parameter for the garbage
5245         collection object.
5246         (Symbol_table::gc_mark_undef_symbols): New function.
5247         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5248         (Symbol_table::gc_mark_dyn_syms): New function.
5249         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5250         as garbage.
5251         (Symbol_table::add_from_object): Likewise.
5252         (Symbol_table::add_from_relobj): When building shared objects, do not
5253         treat externally visible symbols as garbage.
5254         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5255         table information for static and relocatable links.
5256         * symtab.h (Symbol_table::set_gc): New function.
5257         (Symbol_table::gc): New function.
5258         (Symbol_table::gc_mark_undef_symbols): New function.
5259         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5260         (Symbol_table::gc_mark_dyn_syms): New function.
5261         (Symbol_table::gc_): New data member.
5262         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5263         function.
5264         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5265         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5266
5267 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5268
5269         * options.h (General_options::gc_sections): Define as a no-op for now.
5270         (General_options::no_keep_memory): Ditto.
5271         (General_options::Bshareable): Define.
5272         * options.cc (General_options::finalize): Honor -Bshareable.
5273
5274 2009-01-20  Andreas Schwab  <schwab@suse.de>
5275
5276         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5277         read the value in the contents, since we don't use it.  Use the
5278         template endianness when writing.
5279         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5280
5281 2009-01-19  Andreas Schwab  <schwab@suse.de>
5282
5283         * configure.tgt (powerpc64-*): Fix targ_obj.
5284
5285 2009-01-15  Ian Lance Taylor  <iant@google.com>
5286
5287         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5288         local symbols when stripping all symbols.
5289
5290 2009-01-14  Cary Coutant  <ccoutant@google.com>
5291
5292         * output.cc (Output_reloc): Add explicit instantiations.
5293
5294 2009-01-14  Cary Coutant  <ccoutant@google.com>
5295
5296         * archive.cc (Archive::get_elf_object_for_member): Remove call
5297         to File_read::claim_for_plugin.
5298         * descriptors.cc (Descriptors::open): Remove reference to
5299         is_claimed.
5300         (Descriptors::claim_for_plugin): Remove.
5301         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5302         (Descriptors::is_claimed): Remove.
5303         (claim_descriptor_for_plugin): Remove.
5304         * fileread.cc (File_read::claim_for_plugin): Remove.
5305         * fileread.h (File_read::claim_for_plugin): Remove.
5306         (File_read::descriptor): Reopen descriptor if necessary.
5307         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5308         (Plugin_manager::all_symbols_read): Add task parameter. Change
5309         all callers.
5310         (Plugin_manager::get_input_file): New function.
5311         (Plugin_manager::release_input_file): New function.
5312         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5313         corresponding data member.
5314         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5315         and pass to base constructor. Change all callers.
5316         (get_input_file, release_input_file): New functions.
5317         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5318         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5319         (Plugin_manager::all_symbols_read): Add task parameter.
5320         (Plugin_manager::get_input_file): New function.
5321         (Plugin_manager::release_input_file): New function.
5322         (Plugin_manager::task_): New data member.
5323         (Pluginobj::Pluginobj): Add filesize parameter.
5324         (Pluginobj::filename): New function.
5325         (Pluginobj::descriptor): New function.
5326         (Pluginobj::filesize): New function.
5327         (Pluginobj::filesize_): New data member.
5328         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5329         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5330         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5331
5332         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5333         with archive libraries.
5334         * testsuite/Makefile.in: Regenerate.
5335         * testsuite/plugin_test.c (struct sym_info): New type.
5336         (get_input_file, release_input_file): New static variables.
5337         (onload): Capture new transfer vector entries.
5338         (claim_file_hook): Stop reading at end of file according to filesize.
5339         Factor out parsing of readelf output into separate function.
5340         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5341         APIs and get the source file name from the symbol table.  Convert
5342         source file name to corresponding object file name.  Print info
5343         message when adding new input files.
5344         (parse_readelf_line): New function.
5345         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5346         * testsuite/plugin_test_2.sh: Likewise.
5347         * testsuite/plugin_test_3.sh: Likewise.
5348         * testsuite/plugin_test_4.sh: New test case.
5349
5350 2009-01-07  Ian Lance Taylor  <iant@google.com>
5351
5352         * version.cc (version_string): Bump to 1.8.
5353
5354 2008-12-23  Cary Coutant  <ccoutant@google.com>
5355
5356         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5357         * plugin.cc (Plugin_manager::finish): Rename as
5358         layout_deferred_objects.  Move cleanup to separate function.
5359         (Plugin_manager::cleanup): New function.
5360         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5361         separately.
5362         * plugin.h (Plugin_manager::finish): Rename as
5363         layout_deferred_objects.
5364         (Plugin_manager::cleanup): New function.
5365         (Plugin_manager::cleanup_done): New field.
5366
5367 2008-12-23  Cary Coutant  <ccoutant@google.com>
5368
5369         * plugin.cc (is_visible_from_outside): New function.
5370         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5371         so we don't return "IR only" status for exported symbols or -r links.
5372
5373         * testsuite/Makefile.am (plugin_test_3): New test case.
5374         * testsuite/Makefile.in: Regenerate.
5375         * testsuite/plugin_test_3.sh: New file.
5376
5377 2008-12-22  Cary Coutant  <ccoutant@google.com>
5378
5379         * object.cc (Sized_relobj::layout_section): New function.
5380         (Sized_relobj::do_layout): Defer layout of input sections until after
5381         plugin has provided replacement files.
5382         (Sized_relobj::do_layout_deferred_sections): New function.
5383         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5384         (Relobj::layout_deferred_sections): New function.
5385         (Relobj::do_layout_deferred_sections): New function.
5386         (Sized_relobj::do_layout_deferred_sections): New function.
5387         (Sized_relobj::layout_section): New function.
5388         (Sized_relobj::Deferred_layout): New structure.
5389         (Sized_relobj::deferred_layout_): New field.
5390         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5391         Change all callers.  Layout deferred sections.
5392         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5393         references.
5394         (Plugin_hook::run): Move code from do_plugin_hook inline.
5395         (Plugin_hook::do_plugin_hook): Remove.
5396         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5397         (Plugin_manager::finish): Renamed, was cleanup.
5398         (Plugin_manager::should_defer_layout): New function.
5399         (Plugin_manager::add_deferred_layout_object): New function.
5400         (Plugin_manager::Deferred_layout_list): New type.
5401         (Plugin_manager::deferred_layout_objects_): New field.
5402         (Plugin_hook::do_plugin_hook): Remove.
5403
5404 2008-12-17  Ian Lance Taylor  <iant@google.com>
5405
5406         * options.h (class General_options): Add --no case for
5407         --export-dynamic.
5408
5409 2008-12-16  Cary Coutant  <ccoutant@google.com>
5410
5411         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5412         vector.
5413         (Plugin_manager::claim_file): Create plugin object even if
5414         plugin did not call the add_symbols callback.
5415         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5416         asking for more symbols than were added.
5417         * testsuite/Makefile.am (plugin_test_1): Add test case with
5418         no global symbols.
5419         (empty.syms): New target.
5420         * testsuite/Makefile.in: Regenerate.
5421         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5422         message. Don't call add_symbols if no globals.
5423         (all_symbols_read_hook): Don't provide replacement for empty
5424         claimed file.
5425
5426 2008-12-12  Ian Lance Taylor  <iant@google.com>
5427
5428         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5429         r_type == 0 for a local symbol with r_sym == 0.
5430         (scan_relocatable_relocs): Pass r_sym to
5431         local_non_section_strategy.
5432         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5433         r_sym parameter.
5434
5435         * configure.ac: Update test for TLS descriptors: they are
5436         supported as of glibc 2.9.
5437         * configure: Rebuild.
5438
5439 2008-12-11  Ian Lance Taylor  <iant@google.com>
5440
5441         PR 7091
5442         * target-reloc.h (Default_scan_relocatable_relocs): For each
5443         function, map r_type == 0 to RELOC_DISCARD.
5444
5445 2008-12-10  Cary Coutant  <ccoutant@google.com>
5446
5447         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5448         object to override a kept COMDAT group from a plugin object.
5449
5450 2008-12-09  Ian Lance Taylor  <iant@google.com>
5451
5452         PR 7088
5453         * yyscript.y (file_cmd): Handle INPUT.
5454
5455         * testsuite/initpri1.c: Change all declarations to be full
5456         prototypes by adding void, to avoid compiler warnings.
5457
5458 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5459
5460         * options.cc (General_options::parse_plugin_opt): New.
5461         (General_options::add_plugin): The argument now is just the filename.
5462         (General_options::add_plugin_option): New.
5463         * options.h (plugin_opt): New.
5464         (add_plugin): Change argument name.
5465         (add_plugin_option): New.
5466         * plugin.cc (Plugin::load): Don't parse the plugin option.
5467         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5468         (Plugin::add_option): New.
5469         (Plugin::args_): Change type.
5470         (Plugin::filename_): New.
5471         (Plugin_manager::add_plugin_option): New.
5472         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5473         * testsuite/Makefile.in: Regenerate.
5474
5475 2008-12-05  Cary Coutant  <ccoutant@google.com>
5476
5477         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5478         Handle --strip-lto-sections option.
5479         * options.h (strip_lto_sections): New option.
5480
5481 2008-12-01  Cary Coutant  <ccoutant@google.com>
5482
5483         * plugin.cc (ld_plugin_message): Change format parameter to const.
5484         Fix mismatch between new[] and delete.
5485
5486 2008-11-14  Cary Coutant  <ccoutant@google.com>
5487
5488         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5489         instead of -1U.
5490
5491 2008-11-05  Craig Silverstein  <csilvers@google.com>
5492
5493         * options.cc (General_options::parse_dynamic_list): New function.
5494         * options.h (General_options): New flags dynamic_list,
5495         dynamic_list_data, dynamic_list_cpp_new, and
5496         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5497         (General_options::in_dynamic_list): New function.
5498         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5499         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5500         (Lex::can_continue_name): Likewise.
5501         (yylex): Likewise.
5502         (read_script_file): New parameter script_options.
5503         (read_dynamic_list): New function.
5504         (Script_options::define_dynamic_list): New function.
5505         (dynamic_list_keyword_parsecodes): New variable.
5506         (dynamic_list_keywords): New variable.
5507         * script.h (Script_options::define_dynamic_list): New function
5508         prototype.
5509         (read_dynamic_list): New function prototype.
5510         * symtab.cc (strprefix): New macro.
5511         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5512         dynamic_list_data, dynamic_list_cpp_new, and
5513         dynamic_list_cpp_typeinfo.
5514         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5515         (dynamic_list_expr): New rule.
5516         (dynamic_list_nodes): Likewise.
5517         (dynamic_list_node): Likewise.
5518         * testsuite/Makefile.am (dynamic_list): New test.
5519         * testsuite/Makefile.in: Regenerated.
5520         * testsuite/dynamic_list.t: New file.
5521         * testsuite/dynamic_list.sh: New file.
5522
5523 2008-11-05  Craig Silverstein  <csilvers@google.com>
5524
5525         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5526         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5527         (t11_last): Likewise.
5528         * testsuite/ver_test_6.c (main): Likewise.
5529
5530 2008-10-07  Cary Coutant  <ccoutant@google.com>
5531
5532         * options.c (General_options::finalize): Add check for -static and
5533         -shared.
5534         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5535         is not empty.
5536
5537 2008-10-02  Cary Coutant  <ccoutant@google.com>
5538
5539         * plugin.cc (make_sized_plugin_object): Fix conditional
5540         compilation to work when not all targets are enabled.
5541
5542 2008-09-29  Cary Coutant  <ccoutant@google.com>
5543
5544         * archive.cc (Archive::get_file_and_offset): Use filename instead
5545         of name to get library path.
5546         (Archive::include_member): Unlock external member of a thin archive.
5547
5548         * testsuite/Makefile.am (TEST_AR): New variable.
5549         (thin_archive_test_1): New test.
5550         (thin_archive_test_2): New test.
5551         * testsuite/Makefile.in: Regenerate.
5552         * testsuite/thin_archive_main.cc: New file.
5553         * testsuite/thin_archive_test_1.cc: New file.
5554         * testsuite/thin_archive_test_2.cc: New file.
5555         * testsuite/thin_archive_test_3.cc: New file.
5556         * testsuite/thin_archive_test_4.cc: New file.
5557
5558 2008-09-29  Cary Coutant  <ccoutant@google.com>
5559
5560         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5561         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5562         instead of -1U.
5563         (Sized_relobj::do_finalize_local_symbols): Likewise.
5564         (Sized_relobj::map_to_kept_section): Likewise.
5565         * object.h (Sized_relobj::invalid_address): New constant.
5566         (Sized_relobj::do_output_section_offset): Check for invalid_address
5567         and return -1ULL.
5568         * output.cc (Output_reloc::local_section_offset): Use constant
5569         invalid_address instead of -1U.
5570         (Output_reloc::get_address): Likewise.
5571         (Output_section::output_address): Change -1U to -1ULL.
5572         * output.h (Output_reloc::invalid_address): New constant.
5573         * reloc.cc (Sized_relobj::write_sections): Use constant
5574         invalid_address instead of -1U.
5575         (Sized_relobj::relocate_sections): Likewise.
5576         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5577         values for merge sections.
5578         * target-reloc.h (relocate_for_relocatable): Use constant
5579         invalid_address instead of -1U.
5580
5581 2008-09-19  Cary Coutant  <ccoutant@google.com>
5582
5583         Add plugin functionality for link-time optimization (LTO).
5584         * configure.ac (plugins): Add --enable-plugins option.
5585         * configure: Regenerate.
5586         * config.in: Regenerate.
5587         * Makefile.am (LIBDL): New variable.
5588         (CCFILES): Add plugin.cc.
5589         (HFILES): Add plugin.h.
5590         (ldadd_var): Add LIBDL.
5591         * Makefile.in: Regenerate.
5592
5593         * archive.cc: Include "plugin.h".
5594         (Archive::setup): Don't preread archive symbols when using a plugin.
5595         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5596         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5597         files.
5598         (Archive::include_member): Add symbols from plugin objects.
5599         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5600         * descriptors.cc (Descriptors::open): Check for file descriptors
5601         abandoned by plugins.
5602         (Descriptors::claim_for_plugin): New function.
5603         * descriptors.h (Descriptors::claim_for_plugin): New function.
5604         (Open_descriptor::is_claimed): New field.
5605         (claim_descriptor_for_plugin): New function.
5606         * fileread.cc (File_read::claim_for_plugin): New function.
5607         * fileread.h (File_read::claim_for_plugin): New function.
5608         (File_read::descriptor): New function.
5609         * gold.cc: Include "plugin.h".
5610         (queue_initial_tasks): Add task to call plugin hooks for generating
5611         new object files.
5612         * main.cc: Include "plugin.h".
5613         (main): Load plugin libraries.
5614         * object.h (Pluginobj): Declare.
5615         (Object::pluginobj): New function.
5616         (Object::do_pluginobj): New function.
5617         (Object::set_target): New function.
5618         * options.cc: Include "plugin.h".
5619         (General_options::parse_plugin): New function.
5620         (General_options::General_options): Initialize plugins_ field.
5621         (General_options::add_plugin): New function.
5622         * options.h (Plugin_manager): Declare.
5623         (General_options): Add --plugin option.
5624         (General_options::has_plugins): New function.
5625         (General_options::plugins): New function.
5626         (General_options::add_plugin): New function.
5627         (General_options::plugins_): New field.
5628         * plugin.cc: New file.
5629         * plugin.h: New file.
5630         * readsyms.cc: Include "plugin.h".
5631         (Read_symbols::do_read_symbols): Check for archive before checking
5632         for ELF file.  Call plugin hooks to claim files.
5633         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5634         from a real object file; force override when processing replacement
5635         files.
5636         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5637         (Symbol::init_base_object): Likewise.
5638         (Symbol::init_base_output_data): Likewise.
5639         (Symbol::init_base_output_segment): Likewise.
5640         (Symbol::init_base_constant): Likewise.
5641         (Symbol::init_base_undefined): Likewise.
5642         (Symbol::output_section): Assert that object is not a plugin.
5643         (Symbol_table::add_from_pluginobj): New function.
5644         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5645         undefined.
5646         (Symbol_table::sized_write_globals): Likewise.
5647         (Symbol_table::add_from_pluginobj): Instantiate template.
5648         * symtab.h (Sized_pluginobj): Declare.
5649         (Symbol::in_real_elf): New function.
5650         (Symbol::set_in_real_elf): New function.
5651         (Symbol::in_real_elf_): New field.
5652         (Symbol_table::add_from_pluginobj): New function.
5653
5654         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5655         (LIBDL): New variable.
5656         (LDADD): Add LIBDL.
5657         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5658         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5659         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5660         (MOSTLYCLEANFILES): Likewise.
5661         * testsuite/Makefile.in: Regenerate.
5662         * testsuite/plugin_test.c: New file.
5663         * testsuite/plugin_test_1.sh: New file.
5664         * testsuite/plugin_test_2.sh: New file.
5665
5666 2008-09-16  Ian Lance Taylor  <iant@google.com>
5667
5668         * target-reloc.h (relocate_section): Check whether a symbol is
5669         defined by the ABI before reporting an undefined symbol error.
5670         * target.h (Target::is_defined_by_abi): Make parameter const.
5671         (Target::do_is_defined_by_abi): Likewise.
5672         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5673         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5674         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5675         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5676         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5677         * testsuite/Makefile.in: Rebuild.
5678
5679         * fileread.cc (make_view): Add casts to avoid warning.
5680
5681 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5682
5683         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5684         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5685
5686 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5687
5688         * options.h (General_options::output_is_executable): New.
5689         (General_options::output_is_pie): New.
5690         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5691         for shared libraries.
5692         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5693
5694 2008-09-11  Chris Demetriou  <cgd@google.com>
5695
5696         * options.h (origin): New -z option.
5697         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5698         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5699         in DT_FLAGS_1.
5700
5701 2008-09-05  Cary Coutant  <ccoutant@google.com>
5702
5703         * fileread.cc (File_read::make_view): Add check for attempt to map
5704         beyond end of file.
5705
5706 2008-09-05  Cary Coutant  <ccoutant@google.com>
5707
5708         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5709         explicit instantiations.
5710
5711 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5712
5713         PR gold/6858
5714         * options.cc (General_options::finalize): Allow undefined symbols
5715         in shlibs if linking -shared.
5716
5717         PR gold/6859
5718         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5719         symbols as not needing a dynsym entry.
5720
5721 2008-08-20  Craig Silverstein  <csilvers@google.com>
5722
5723         * fileread.cc (File_read::open): Do not lock the file unless it
5724         was successfully opened.
5725
5726 2008-08-14  Cary Coutant  <ccoutant@google.com>
5727
5728         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5729         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5730         * testsuite/tls_test.cc (struct int128): 128-bit struct
5731         for testing TLS relocs with non-zero addend.
5732         (v12): New TLS variable.
5733         (t12): New test.
5734         (t_last): Add check for v12.
5735         * testsuite/tls_test.h (t12): New function.
5736         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5737
5738 2008-08-13  Ian Lance Taylor  <iant@google.com>
5739
5740         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5741         set tls_segment_ or relro_segment_.
5742         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5743         when appropriate.
5744         * output.h (Output_section::clear_is_relro): New function.
5745         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5746         sections specially even when output_data_ is empty.
5747         (Output_segment::maximum_alignment): When first section is relro,
5748         only force alignment for PT_LOAD segments.
5749         * script.cc (script_data_segment_align): New function.
5750         (script_data_segment_relro_end): New function.
5751         * script-c.h (script_data_segment_align): Declare.
5752         (script_data_segment_relro_end): Declare.
5753         * script-sections.h (class Script_sections): Declare
5754         data_segment_align and data_segment_relro_end.  Add fields
5755         segment_align_index_ and saw_relro_end_.
5756         * script-sections.cc (class Sections_element): Add set_is_relro
5757         virtual function.  Add new bool* parameter to place_orphan_here.
5758         Add get_output_section virtual function.
5759         (class Output_section_definition): Add set_is_relro.  Add new
5760         bool* parameter to place_orphan_here.  Add get_output_section.
5761         Add is_relro_ field.
5762         (Output_section_definition::Output_section_definition): Initialize
5763         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5764         and is_relro_ fields.
5765         (Output_section_definition::place_orphan_here): Add is_relro
5766         parameter.
5767         (Output_section_definition::set_section_addresses): Set relro for
5768         output section.
5769         (Output_section_definition::alternate_constraint): Likewise.
5770         (class Orphan_output_section): Add new bool* parameter to
5771         place_orphan_here.  Add get_output_section.
5772         (Orphan_output_section::place_orphan_here): Add is_relro
5773         parameter.
5774         (Script_sections::Script_sections): Initialize
5775         data_segment_align_index_ and saw_relro_end_.
5776         (Script_sections::data_segment_align): New function.
5777         (Script_sections::data_segment_relro_end): New function.
5778         (Script_sections::place_orphan): Set or clear is_relro.
5779         (Script_sections::set_section_addresses): Force alignment of first
5780         TLS section.
5781         * yyscript.y (exp): Call script_data_segment_align and
5782         script_data_segment_relro_end.
5783         * testsuite/relro_script_test.t: New file.
5784         * testsuite/relro_test.cc (using_script): Declare.
5785         (t1, t2): Test using_script.
5786         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5787         (relro_script_test_SOURCES): Define.
5788         (relro_script_test_DEPENDENCIES): Define.
5789         (relro_script_test_LDFLAGS): Define.
5790         (relro_script_test_LDADD): Define.
5791         (relro_script_test.so): New target.
5792         * testsuite/Makefile.in: Rebuild.
5793
5794 2008-08-06  Cary Coutant <ccoutant@google.com>
5795
5796         * archive.cc (Archive::total_archives, Archive::total_members)
5797         (Archive::total_members_loaded): New variables.
5798         (Archive::setup): Add parameter.  Add option to preread
5799         archive symbols.
5800         (Archive::read_armap): Add counter.
5801         (Archive::get_file_and_offset): New function.
5802         (Archive::get_elf_object_for_member): New function.
5803         (Archive::read_all_symbols): New function.
5804         (Archive::read_symbols): New function.
5805         (Archive::add_symbols): Add counters.
5806         (Archive::include_all_members): Use armap to find members if it's
5807         already built.
5808         (Archive::include_member): Skip reading symbols if already read.
5809         Factored code into Archive::get_file_and_offset and
5810         Archive::get_elf_object_for_member.  Changed call to
5811         Mapfile::report_include_archive_member.
5812         (Archive::print_stats): New function.
5813         * archive.h: Declare Object and Read_symbols_data classes.
5814         (Archive::Archive): Add initializers for new members.
5815         (Archive::setup): Add parameter.
5816         (Archive::print_stats): New function.
5817         (Archive::total_archives, Archive::total_members)
5818         (Archive::total_members_loaded): New variables.
5819         (Archive::get_file_and_offset): New function.
5820         (Archive::get_elf_object_for_member): New function.
5821         (Archive::read_all_symbols): New function.
5822         (Archive::read_symbols): New function.
5823         (Archive::Archive_member): New class.
5824         (Archive::members_): New member.
5825         (Archive::num_members_): New member.
5826         * main.cc: Include archive.h.
5827         (main): Call Archive::print_stats.
5828         * mapfile.cc (Mapfile::report_include_archive_member): Delete
5829         archive parameter; member_name is now the fully-decorated name.
5830         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5831         * options.h: (General_options): Add --preread-archive-symbols option.
5832         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5833         Archive::setup.
5834
5835 2008-08-04  Ian Lance Taylor  <iant@google.com>
5836
5837         * symtab.h (Symbol::use_plt_offset): New function.
5838         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5839         * powerpc.cc (Relocate::relocate): Likewise.
5840         * sparc.cc (Relocate::relocate): Likewise.
5841         * x86_64.cc (Relocate::relocate): Likewise.
5842         * testsuite/weak_plt.sh: New test.
5843         * testsuite/weak_plt_main.cc: New test.
5844         * testsuite/weak_plt_shared.cc: New test.
5845         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5846         (check_PROGRAMS): Add weak_plt.
5847         (check_DATA): Add weak_plt_shared.so.
5848         (weak_plt_main_pic.o, weak_plt): New targets.
5849         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5850         * testsuite/Makefile.in: Rebuild.
5851
5852         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5853         gcctestdir/ld.
5854         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5855         * testsuite/Makefile.in: Rebuild.
5856
5857 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
5858
5859         * Makefile.am (POTFILES.in): Set LC_ALL=C.
5860         * Makefile.in: Regenerate.
5861         * po/POTFILES.in: Regenerate.
5862
5863 2008-07-29  Ian Lance Taylor  <iant@google.com>
5864
5865         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5866         symbols before other symbols.
5867         * testsuite/script_test_2.cc (test_addr): Declare.
5868         (test_addr_alias): Declare.
5869         (main): Check that test_addr and test_addr_alias have the right
5870         values.
5871         * testsuite/script_test_2.t: Define test_addr_alias and
5872         test_addr.
5873
5874 2008-07-24  Ian Lance Taylor  <iant@google.com>
5875
5876         PR 5990
5877         * descriptors.cc: New file.
5878         * descriptors.h: New file.
5879         * gold-threads.h (class Hold_optional_lock): New class.
5880         * fileread.cc: Include "descriptors.h".
5881         (File_read::~File_read): Release descriptor rather than closing
5882         it.
5883         (File_read::open) [file]: Call open_descriptor rather than open.
5884         Set is_descriptor_opened_.
5885         (File_read::open) [memory]: Assert that descriptor is not open.
5886         (File_read::reopen_descriptor): New function.
5887         (File_read::release): Release descriptor.
5888         (File_read::do_read): Make non-const.  Reopen descriptor.
5889         (File_read::read): Make non-const.
5890         (File_read::make_view): Reopen descriptor.
5891         (File_read::do_readv): Likewise.
5892         * fileread.h (class File_read): Add is_descriptor_opened_ field.
5893         Update declarations.
5894         * layout.cc: Include "descriptors.h".
5895         (Layout::create_build_id): Use open_descriptor rather than open.
5896         * output.cc: Include "descriptors.h".
5897         (Output_file::open): Use open_descriptor rather than open.
5898         * archive.cc (Archive::const_iterator): Change Archive to be
5899         non-const.
5900         (Archive::begin, Archive::end): Make non-const.
5901         (Archive::count_members): Likewise.
5902         * archive.h (class Archive): Update declarations.
5903         * object.h (Object::read): Make non-const.
5904         * Makefile.am (CCFILES): Add descriptors.cc.
5905         (HFILES): Add descriptors.h.
5906         * Makefile.in: Rebuild.
5907
5908         PR 6716
5909         * gold.h: Always include <clocale>.  Add Solaris workarounds
5910         following code in binutils/sysdep.h.
5911
5912         PR 6048
5913         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5914         this->eh_frame_hdr_ is NULL before using it.
5915
5916         * dynobj.cc (Versions::Versions): Update comment.
5917
5918         * dynobj.cc (Versions::Versions): If there is an soname, use it as
5919         the base version name.
5920
5921         * stringpool.cc (Stringpool_template::add_with_length): Set key to
5922         array size plus one.
5923         (Stringpool_template::set_string_offsets): Subtract one from key
5924         before using it as an array index.
5925         (Stringpool_template::get_offset_with_length): Likewise.
5926         (Stringpool_template::write_to_buffer): Likewise.
5927         * stringpool.h (Stringpool_template::get_offset_from_key):
5928         Likewise.
5929
5930 2008-07-23  Ian Lance Taylor  <iant@google.com>
5931
5932         PR 6658
5933         * object.h (Merged_symbol_value::value): Do our best to handle a
5934         negative addend.
5935
5936         PR 6647
5937         * script.cc (Version_script_info::get_versions): Don't add empty
5938         version tag to return value.
5939         (Version_script_info::get_symbol_version_helper): Change return
5940         type to bool.  Add pversion parameter.  Change all callers.
5941         (script_register_vers_node): Don't require a non-NULL tag.
5942         * script.h (class Version_script_info): Update declarations.
5943         (Version_script_info::get_symbol_version): Change return type to
5944         bool.  Add version parameter.  Change all callers.
5945         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5946         handling.  Handle an empty version from a version script.
5947         (Symbol_table::define_special_symbol): Likewise.
5948         * testsuite/ver_test_10.script: New file.
5949         * testsuite/ver_test_10.sh: New file.
5950         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5951         (check_DATA): Add ver_test_10.syms.
5952         (ver_test_10.syms, ver_test_10.so): New target.
5953         * testsuite/Makefile.in: Rebuild.
5954
5955 2008-07-23  Simon Baldwin  <simonb@google.com>
5956
5957         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5958         to zero for undefined symbols from dynamic libraries.
5959
5960 2008-07-23  Ian Lance Taylor  <iant@google.com>
5961
5962         * symtab.cc (Symbol_table::resolve): Remove version parameter.
5963         Change all callers.
5964         * symtab.h (class Symbol_table): Update declaration.
5965         * testsuite/ver_test_9.cc: New file.
5966         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5967         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5968         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5969         (ver_test_9.so, ver_test_9.o): New targets.
5970         * testsuite/Makefile.in: Rebuild.
5971
5972 2008-07-22  Ian Lance Taylor  <iant@google.com>
5973
5974         * options.h (class General_options): Define --check-sections.
5975         * layout.cc (Layout::set_segment_offsets): Handle
5976         --check-sections.
5977
5978         * options.h (class General_options): Define -n/--nmagic and
5979         -N/--omagic.
5980         * options.cc (General_options::finalize): For -n/--nmagic or
5981         -N/--omagic, set -static.
5982         * layout.cc (Layout::attach_allocated_section_to_segment): If
5983         -N/--omagic, don't put read-only and read-write sections in
5984         different segments.
5985         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5986         finding a read-only segment.
5987         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5988         don't set the minimum segment alignment to the common page size,
5989         and don't set the file offset to the address modulo the page size.
5990         * script-sections.cc (Script_sections::create_segments): If
5991         -n/--omagic, don't put read-only and read-write sections in
5992         different segments.
5993
5994         * cref.cc: New file.
5995         * cref.h: New file.
5996         * options.h (class General_options): Add --print-symbol-counts.
5997         * main.cc (main): Issue defined symbol report if requested.
5998         * archive.cc (Archive::interpret_header): Make into a const member
5999         function.
6000         (Archive::add_symbols): Call Input_objects::archive_start and
6001         archive_stop.
6002         (Archive::const_iterator): Define new class.
6003         (Archive::begin, Archive::end): New functions.
6004         (Archive::include_all_members): Rewrite to use iterator.
6005         (Archive::count_members): New function.
6006         * archive.h (class Archive): Update declarations.
6007         (Archive::filename): New function.
6008         * object.cc: Include "cref.h".
6009         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6010         (Sized_relobj::do_get_global_symbol_counts): New function.
6011         (Input_objects::add_object): Add object to cross-referencer.
6012         (Input_objects::archive_start): New function.
6013         (Input_objects::archive_stop): New function.
6014         (Input_objects::print_symbol_counts): New function.
6015         * object.h: Declare Cref and Archive.
6016         (Object::get_global_symbol_counts): New function.
6017         (Object::do_get_global_symbol_counts): New pure virtual function.
6018         (class Sized_relobj): Add defined_count_ field.  Update
6019         declarations.
6020         (class Input_objects): Add cref_ field.  Update constructor.
6021         Update declarations.
6022         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6023         defined_count_.
6024         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6025         symbol counts.
6026         (Sized_dynobj::do_get_global_symbol_counts): New function.
6027         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6028         defined_count_.  Update declarations.  Define Symbols typedef.
6029         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6030         parameter.  Change all callers.
6031         (Symbol_table::add_from_dynobj): Add sympointers and defined
6032         parameters.  Change all callers.
6033         * symtab.h (class Symbol_table): Update declarations.
6034         * Makefile.am (CCFILES): Add cref.cc.
6035         (HFILES): Add cref.h.
6036         * Makefile.in: Rebuild.
6037
6038 2008-07-22  Simon Baldwin  <simonb@google.com>
6039
6040         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6041         to zero when writing undefined symbols.
6042
6043 2008-07-22  Ian Lance Taylor  <iant@google.com>
6044
6045         * output.cc (Output_section::add_input_section): Don't try to
6046         merge empty merge sections.
6047
6048 2008-07-21  Craig Silverstein  <csilvers@google.com>
6049
6050         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6051         Include symbol version in error message.
6052
6053 2008-07-20  Chris Demetriou  <cgd@google.com>
6054
6055         * configure.ac (gold_cv_c_random_seed): New configured variable.
6056         (RANDOM_SEED_CFLAGS): New substituted variable.
6057         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6058         * configure: Rebuild.
6059         * Makefile.in: Likewise.
6060         * testsuite/Makefile.in: Likewise.
6061
6062 2008-07-18  Ian Lance Taylor  <iant@google.com>
6063
6064         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6065         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6066         * testsuite/ver_test_main.cc (main): Call t4.
6067         (t4, t4_2a): Define.
6068         * testsuite/ver_test_2.cc (t4_2): Define.
6069         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6070         * testsuite/ver_test_4.cc (t4_2a): Define.
6071         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6072         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6073
6074 2008-07-17  Ian Lance Taylor  <iant@google.com>
6075
6076         * dynobj.cc (Versions::add_def): If we give an error about a
6077         missing version, go ahead and create the version anyhow.
6078
6079 2008-07-10  Ian Lance Taylor  <iant@google.com>
6080
6081         Handle output sections with more than 0x7fffffff bytes.
6082         * object.h (class Relobj): Change map_to_output_ to
6083         output_sections_, and just keep a section pointer.  Change all
6084         uses.  Move comdat group support to Sized_relobj.
6085         (Relobj::is_section_specially_mapped): Remove.
6086         (Relobj::output_section): Remove poff parameter.  Change all
6087         callers.
6088         (Relobj::output_section_offset): New function.
6089         (Relobj::set_section_offset): Rewrite.
6090         (Relobj::map_to_output): Remove.
6091         (Relobj::output_sections): New function.
6092         (Relobj::do_output_section_offset): New pure virtual function.
6093         (Relobj::do_set_section_offset): Likewise.
6094         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6095         group support from Relobj.  Update declarations.
6096         (Sized_relobj::get_output_section_offset): New function.
6097         (Sized_relobj::do_output_section_offset): New function.
6098         (Sized_relobj::do_set_section_offset): New function.
6099         * object.cc (Relobj::output_section_address): Remove.
6100         (Sized_relobj::Sized_relobj): Initialize new fields.
6101         (Sized_relobj::include_section_group): Cast find_kept_object to
6102         Sized_relobj.
6103         (Sized_relobj::include_linkonce_section): Likewise.
6104         (Sized_relobj::do_layout): Use separate arrays for output section
6105         and output offset.
6106         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6107         output_sections.
6108         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6109         output_sections and section_offsets.
6110         (Sized_relobj::write_local_symbols): Likewise.
6111         (map_to_kept_section): Compute output address directly.
6112         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6113         output_sections and section_offsets.
6114         (Sized_relobj::write_sections): Likewise.
6115         (Sized_relobj::relocate_sections): Likewise.
6116         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6117         * output.h (class Output_reloc): Update declarations.  Change
6118         u2_.relobj to Sized_relobj*.
6119         (class Output_data_reloc): Change add functions to use
6120         Sized_relobj*.
6121         * output.cc (Output_reloc::Output_reloc): Change relobj to
6122         Sized_relobj*.
6123         (Output_reloc::local_section_offset): Change return type to
6124         Elf_Addr.  Use get_output_section_offset.
6125         (Output_reloc::get_address): Likewise.
6126         (Output_section::is_input_address_mapped): Don't call
6127         is_section_specially_mapped.
6128         (Output_section::output_offset): Likewise.
6129         (Output_section::output_address): Likewise.
6130         (Output_section::starting_output_address): Likewise.
6131         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6132         parameter to Sized_relobj*.
6133         (Copy_relocs::need_copy_reloc): Likewise.
6134         (Copy_relocs::save): Likewise.
6135         * copy-relocs.h (class Copy_relocs): Update declarations.
6136         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6137         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6138         * target-reloc.h (relocate_for_relocatable): Change
6139         offset_in_output_section type to Elf_Addr.  Change code that uses
6140         it as well.
6141         * layout.cc (Layout::layout): Always set *off.
6142         * mapfile.cc (Mapfile::print_input_section): Use
6143         output_section_offset.
6144         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6145         Sized_relobj*.
6146         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6147         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6148         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6149
6150 2008-07-03  Ian Lance Taylor  <iant@google.com>
6151
6152         * layout.cc (Layout::include_section): Do not discard unrecognized
6153         SHT_STRTAB sections.
6154
6155 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6156
6157         * script.cc (Lex::can_continue_name): Make '?' allowable in
6158         version-script names.
6159         * testsuite/version_script.map: Change glob pattern to use '?'
6160
6161 2008-06-30  Manish Singh  <yosh@gimp.org>
6162
6163         PR 6585
6164         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6165         Correct typo.
6166
6167 2008-06-30  Ian Lance Taylor  <iant@google.com>
6168
6169         PR 6660
6170         PR 6682
6171         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6172         versions]: Don't try to read the value in the contents, since we
6173         don't use it.  Use the template endianness when writing.
6174
6175 2008-06-25  Cary Coutant  <ccoutant@google.com>
6176
6177         * fileread.cc (File_read::make_view): Assert on zero-length view.
6178         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6179         symbol table when there are no symbols to read.
6180
6181 2008-06-23  Craig Silverstein  <csilvers@google.com>
6182
6183         * version.cc (version_string): Bump to 1.7
6184
6185 2008-06-18  Craig Silverstein  <csilvers@google.com>
6186
6187         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6188         constant 0xFFFF to type Valtype.
6189         (Powerpc_relocate_functions::rel16_ha): Likewise.
6190
6191 2008-06-17  Ian Lance Taylor  <iant@google.com>
6192
6193         * output.h (Output_section::Input_section): Initialize p2align_ to
6194         zero for Output_section_data constructors.
6195         (Output_section::Input_section::addralign): If not an input
6196         section, return the alignment of the Output_section_data.
6197         * testsuite/copy_test.cc: New file.
6198         * testsuite/copy_test_1.cc: New file.
6199         * testsuite/copy_test_2.cc: New file.
6200         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6201         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6202         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6203         (copy_test_1_pic.o, copy_test_1.so): New targets.
6204         (copy_test_2_pic.o, copy_test_2.so): New targets.
6205         * testsuite/Makefile.in: Rebuild.
6206
6207         * script-sections.cc (Script_sections::place_orphan): Initialize
6208         local variable exact.
6209
6210 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6211
6212         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6213
6214 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6215             David S. Miller  <davem@davemloft.net>
6216
6217         * powerpc.cc: New file.
6218         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6219         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6220         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6221         * Makefile.in: Rebuild.
6222
6223 2008-06-09  Ian Lance Taylor  <iant@google.com>
6224
6225         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6226         <exception>.
6227         (throwing, orig_terminate): New static variables.
6228         (terminate_handler): New static function.
6229         (t2): Set terminate handler.
6230
6231 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6232
6233         PR 6584
6234         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6235         alignment.
6236
6237 2008-05-30  Cary Coutant  <ccoutant@google.com>
6238
6239         * archive.cc (Archive::include_all_members) Correct to step
6240         over symbol table and extended name table in thin archives.
6241
6242 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6243
6244         PR 6407
6245         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6246         calculation.
6247
6248 2008-05-28  Caleb Howe  <cshowe@google.com>
6249
6250         * reduced_debug_output.cc: New file.
6251         * reduced_debug_output.h: New file.
6252         * options.h (class General_options): Add --strip-debug-non-line.
6253         * options.cc (General_options::finalize): Add strip_debug_non_line
6254         to the strip heirarchy.
6255         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6256         fields.
6257         * layout.cc: Include "reduced_debug_output.h".
6258         (Layout::Layout): Initialize new fields.
6259         (line_only_debug_sections): New static array.
6260         (is_lines_only_debug_sections): New static inline function.
6261         (Layout::include_section): Handle --strip-debug-non-line.
6262         (Layout::make_output_section): If --strip-debug-non-line, build
6263         new output sections for .debug_abbrev and .debug_info.
6264         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6265         gold.  Warn about possible overflow.
6266         (read_signed_LEB_128): Likewise.
6267         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6268         (read_signed_LEB_128): Declare.
6269         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6270         (HFILES): Add reduced_debug_output.h.
6271         * Makefile.in: Rebuild.
6272
6273 2008-05-21  Ian Lance Taylor  <iant@google.com>
6274
6275         * mapfile.cc: New file.
6276         * mapfile.h: New file.
6277         * options.h (class General_options): Add -M/--print-map and -Map.
6278         * options.cc (General_options::finalize): Make -M equivalent to
6279         -Map -.
6280         * main.cc: Include <cstdio> and "mapfile.h".
6281         (main): Open mapfile if requested.
6282         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6283         constructor.  Change caller.
6284         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6285         (queue_middle_tasks): Likewise.
6286         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6287         declarations.
6288         * archive.cc: Include "mapfile.h".
6289         (Archive::add_symbols): Add mapfile parameter.  Change all
6290         callers.  Pass mapfile, symbol, and reason to include_member.
6291         (Archive::include_all_members): Add mapfile parameter.  Change all
6292         callers.
6293         (Archive::include_member): Add mapfile, sym, and why parameters.
6294         Change all callers.  Report inclusion to map file.
6295         * archive.h: Include "fileread.h".
6296         (class Archive): Update declarations.
6297         (Archive::file): New const method.
6298         (class Add_archive_symbols): Add mapfile_ field.  Update
6299         constructor.  Change all callers.
6300         * readsyms.h (class Read_symbols): Likewise.
6301         (class Finish_group): Likewise.
6302         (class Read_script): Likewise.
6303         * common.cc: Include "mapfile.h".
6304         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6305         all callers.
6306         (Symbol_table::do_allocate_commons): Likewise.
6307         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6308         symbol allocation to mapfile.
6309         * common.h (class Allocate_commons_task): Add mapfile_ field.
6310         Update constructor.  Change all callers.
6311         * symtab.h (class Symbol_table): Update declarations.
6312         * layout.cc: Include "mapfile.h".
6313         (Layout_task_runner::run): Print information to mapfile.
6314         (Layout::create_gold_note): Change Output_data_fixed_space to
6315         Output_data_zero_fill.
6316         (Layout::create_build_id): Likewise.
6317         (Layout::print_to_mapfile): New function.
6318         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6319         constructor.  Change caller.
6320         (class Layout): Declare print_to_mapfile.
6321         * output.cc (Output_section::Input_section::print_to_mapfile): New
6322         function.
6323         (Output_section::add_input_section): If producing a map, always
6324         add to input_sections_ list.
6325         (Output_section::do_print_to_mapfile): New function.
6326         (Output_segment::print_sections_to_mapfile): New function.
6327         (Output_segment::print_section_list_to_mapfile): New function.
6328         * output.h: Include "mapfile.h".
6329         (Output_data::print_to_mapfile): New function.
6330         (Output_data::do_print_to_mapfile): New virtual function.
6331         (Output_segment_headers::do_print_to_mapfile): New function.
6332         (Output_file_header::do_print_to_mapfile): New function.
6333         (Output_data_const::do_print_to_mapfile): New function.
6334         (class Output_data_const_buffer): Add map_name_ field.  Update
6335         constructor.  Change all callers.  Add do_print_to_mapfile
6336         function.
6337         (class Output_data_fixed_space): Likewise.
6338         (class Output_data_space): Likewise.
6339         (class Output_data_zero_fill): New class.
6340         (Output_data_strtab::do_print_to_mapfile): New function.
6341         (Output_data_reloc_base::do_print_to_mapfile): New function.
6342         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6343         (Output_data_group::do_print_to_mapfile): New function.
6344         (Output_data_got::do_print_to_mapfile): New function.
6345         (Output_data_dynamic::do_print_to_mapfile): New function.
6346         (Output_symtab_xindex::do_print_to_mapfile): New function.
6347         (class Output_section): Declare do_print_to_mapflie.  Declare
6348         print_to_mapfile in Input_section.
6349         (class Output_segment): Declare new functions.
6350         * object.h (Sized_relobj::symbol_count): New function.
6351         * script-sections.cc
6352         (Output_section_element_dot_assignment::set_section_addresses):
6353         Change Output_data_fixed_space to Output_data_zero_fill.
6354         (Output_data_expression::do_print_to_mapfile): New function.
6355         * script.cc (read_input_script): Add mapfile parameter.  Change
6356         all callers.
6357         * script.h (read_input_script): Update declaration.
6358         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6359         (Eh_frame::do_print_to_mapfile): New function.
6360         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6361         (Output_merge_string::do_print_to_mapfile): New function.
6362         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6363         function.
6364         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6365         function.
6366         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6367         function.
6368         * Makefile.am (CCFILES): Add mapfile.cc.
6369         (HFILES): Add mapfile.h.
6370         * Makefile.in: Rebuild.
6371
6372 2008-05-19  Ian Lance Taylor  <iant@google.com>
6373
6374         * options.h (class General_options): Add -z relro.
6375         * layout.cc (Layout::Layout): Initialize relro_segment_.
6376         (Layout::add_output_section_data): Return the output section.
6377         (Layout::make_output_section): Rcognize relro sections and mark
6378         them appropriately.
6379         (Layout::attach_allocated_section_to_segment): Put relro sections
6380         in a PT_GNU_RELRO segment.
6381         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6382         section as relro.
6383         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6384         PT_TLS segments.
6385         (Layout::linkonce_mapping): Map d.rel.ro.local to
6386         .data.rel.ro.local.
6387         (Layout::output_section_name): Us .data.rel.ro.local for any
6388         section which begins with that.
6389         * layout.h (class Layout): Update add_output_section_data
6390         declaration.  Add relro_segment_ field.
6391         * output.cc (Output_section::Output_section): Initialize is_relro_
6392         and is_relro_local_ fields.
6393         (Output_segment::add_output_section): Group relro sections.
6394         (Output_segment::is_first_section_relro): New function.
6395         (Output_segment::maximum_alignment): If there is a relro section,
6396         align the segment to the common page size.
6397         (Output_segment::set_section_addresses): Track whether we are
6398         looking at relro sections.  If the last section is a relro
6399         section, align to the common page size.
6400         (Output_segment::set_section_list_addresses): Add in_relro
6401         parameter.  Change all callers.  Align to the page size when
6402         moving from relro to non-relro section.
6403         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6404         segment.
6405         * output.h (class Output_section): Add is_relro_ and
6406         is_relro_local_ fields.
6407         (Output_section::is_relro): New function.
6408         (Output_section::set_is_relro): New function.
6409         (Output_section::is_relro_local): New function.
6410         (Output_section::set_is_relro_local): New function.
6411         (class Output_segment): Update declarations.
6412         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6413         * sparc.cc (Target_sparc::got_section): Likewise.
6414         * x86_64.cc (Target_x86_64::got_section): Likewise.
6415         * testsuite/relro_test_main.cc: New file.
6416         * testsuite/relro_test.cc: New file.
6417         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6418         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6419         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6420         (relro_test.so, relro_test_pic.o): New targets.
6421         * testsuite/Makefile.in: Rebuild.
6422
6423 2008-05-16  Ian Lance Taylor  <iant@google.com>
6424
6425         * output.cc (Output_segment::add_output_section): Remove front
6426         parameter.
6427         * output.h (class Output_segment): Remove
6428         add_initial_output_section and overloaded add_output_section.
6429         Update declaration of remaining add_output_section.
6430         * layout.cc (Layout::create_interp): Call add_output_section
6431         rather than add_initial_output_section.
6432         (Layout::finish_dynamic_section): Likewise.
6433
6434         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6435         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6436         know the dynamic type.
6437         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6438         field.  Initialize it in constructor.
6439         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6440         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6441         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6442         reloc.
6443
6444         * output.cc (Output_reloc::get_address): Change return type to
6445         Elf_Addr.
6446         * output.h (class Output_reloc): Update get_address declaration.
6447         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6448         for section addresses.
6449
6450 2008-05-09  Ian Lance Taylor  <iant@google.com>
6451
6452         PR 6493
6453         * gold.cc (gold_nomem): Use return value of write.
6454
6455 2008-05-08  Ian Lance Taylor  <iant@google.com>
6456
6457         * symtab.c (Symbol::init_base_output_data): Add version
6458         parameter.  Change all callers.
6459         (Symbol::init_base_output_segment): Likewise.
6460         (Symbol::init_base_constant): Likewise.
6461         (Symbol::init_base_undefined): Likewise.
6462         (Sized_symbol::init_output_data): Likewise.
6463         (Sized_symbol::init_output_segment): Likewise.
6464         (Sized_symbol::init_constant): Likewise.
6465         (Sized_symbol::init_undefined): Likewise.
6466         (Symbol_table::do_define_in_output_data): If the new symbol has a
6467         version, mark it as the default.
6468         (Symbol_table::do_define_in_output_segment): Likewise.
6469         (Symbol_table::do_define_as_constant): Likewise.
6470         * symtab.h (class Symbol): Update declarations.
6471         (class Sized_symbol): Likewise.
6472         * resolve.cc (Symbol::override_version): New function.
6473         (Symbol::override_base): Call override_version.
6474         (Symbol::override_base_with_special): Likewise.
6475         * testsuite/ver_script_8.script: New file.
6476         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6477         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6478         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6479         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6480
6481 2008-05-06  Ian Lance Taylor  <iant@google.com>
6482
6483         PR 6049
6484         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6485         functions.
6486         (class General_options): Remove existing --undefined, and add
6487         --no-undefined instead.  Add new --undefined as synonym for -u.
6488         * archive.cc (Archive::add_symbols): Check whether symbol was
6489         named with -u.
6490         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6491         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6492         all uses.  Add IS_UNDEFINED.  Update declarations to split
6493         different versions of init_base.  Declare init_base_undefined.
6494         (Symbol::is_defined): Handle IS_UNDEFINED.
6495         (Symbol::is_undefined): Likewise.
6496         (Symbol::is_weak_undefined): Call is_undefined.
6497         (Symbol::is_absolute): Handle IS_CONSTANT.
6498         (class Sized_symbol): Update declarations to split different
6499         versions of init.  Declare init_undefined.
6500         (class Symbol_table): Declare new functions.
6501         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6502         Change all callers.
6503         (Symbol::init_base_output_data): Likewise.
6504         (Symbol::init_base_output_segment): Likewise.
6505         (Symbol::init_base_constant): Likewise.
6506         (Symbol::init_base_undefined): New function.
6507         (Sized_symbol::init_object): Rename from init.  Change all
6508         callers.
6509         (Sized_symbol::init_output_data): Likewise.
6510         (Sized_symbol::init_output_segment): Likewise.
6511         (Sized_symbol::init_constant): Likewise.
6512         (Sized_symbol::init_undefined): New function.
6513         (Symbol_table::add_undefined_symbols_from_command_line): New
6514         function.
6515         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6516         function.
6517         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6518         (Symbol::output_section): Likewise.
6519         (Symbol::set_output_section): Likewise.
6520         (Symbol_table::sized_finalize_symbol): Likewise.
6521         (Symbol_table::sized_write_globals): Likewise.
6522         * resolve.cc (Symbol_table::should_override): Likewise.
6523         (Symbol::override_base_with_special): Likewise.
6524
6525         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6526         symbol, change it to have default visibility.
6527         * testsuite/protected_1.cc: New file.
6528         * testsuite/protected_2.cc: New file.
6529         * testsuite/protected_3.cc: New file.
6530         * testsuite/protected_main_1.cc: New file.
6531         * testsuite/protected_main_2.cc: New file.
6532         * testsuite/protected_main_3.cc: New file.
6533         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6534         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6535         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6536         (protected_1.so): New target.
6537         (protected_1_pic.o, protected_2_pic.o): New targets.
6538         (protected_3_pic.o): New target.
6539         (check_PROGRAMS): Add protected_2.
6540         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6541         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6542         * testsuite/Makefile.in: Rebuild.
6543
6544         * options.h (DEFINE_var): Add set_user_set_##varname__.
6545         (DEFINE_bool_alias): New macro.
6546         (class General_options): Define -Bstatic using DEFINE_bool_alias
6547         rather than DEFINE_special.  Add --undefined as an alias for -z
6548         defs.
6549         * options.cc (General_options::parse_Bstatic): Remove.
6550
6551         * options.h (class General_options): Add --fatal-warnings.
6552         * main.cc (main): Implement --fatal-warnings.
6553         * errors.h (Errors::warning_count): New function.
6554
6555         * options.h (class General_options): Add -Bsymbolic-functions.
6556         * symtab.h (Symbol::is_preemptible): Check for
6557         -Bsymbolic-functions.
6558
6559 2008-05-05  Ian Lance Taylor  <iant@google.com>
6560
6561         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6562         as noVARNAME rather than no-VARNAME.
6563         (class General_options): Add option -z combreloc.
6564         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6565         get_address.
6566         (Output_reloc::sort_before) [SHT_REL]: New function.
6567         (Output_reloc::sort_before) [SHT_RELA]: New function.
6568         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6569         Sort_relocs_comparison.
6570         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6571         parameter.  Change all callers.
6572         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6573         sort_relocs parameter.  Change all callers.
6574         * output.cc (Output_reloc::get_address): New function, broken out
6575         of write_rel.
6576         (Output_reloc::write_rel): Call it.
6577         (Output_reloc::compare): New function.
6578         (Output_data_reloc_base::do_write): Optionally sort relocs.
6579
6580         * configure.ac: If targ_extra_obj is set, link it in.
6581         * configure.tgt: Initialize all variables.
6582         (x86_64*): Set targ_extra_obj and targ_extra_size.
6583         * configure: Rebuild.
6584
6585         * object.cc (Sized_relobj::include_section_group): Adjust section
6586         indexes read from group data.  Build vector to pass to
6587         layout_group.
6588         * layout.cc (Layout::layout_group): Add flags and shndxes
6589         parameters.  Remove contents parameter.  Change caller.  Update
6590         explicit instantiations.
6591         * layout.h (class Layout): Update layout_group declaration.
6592         * output.cc (Output_data_group::Output_data_group): Add flags and
6593         input_shndxes parameters.  Remove contents parameter.  Change
6594         caller.
6595         (Output_data_group::do_write): Change input_sections_ to
6596         input_shndxes_.
6597         * output.h (class Output_data_group): Update constructor
6598         declaration.  Rename input_sections_ to input_shndxes_.
6599         * testsuite/many_sections_test.cc: Add template.
6600
6601 2008-04-30  Cary Coutant  <ccoutant@google.com>
6602
6603         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6604
6605         * layout.cc (Layout::include_section): Refactored check for debug
6606         info section.
6607         (Layout::add_comdat): Add new parameters.  Change type
6608         of signature parameter.  Add object and shndx to signatures table.
6609         (Layout::find_kept_object): New function.
6610         * layout.h: Include <cstring>.
6611         (Layout::is_debug_info_section): New function.
6612         (Layout::add_comdat): Add new parameters.
6613         (Layout::find_kept_object): New function.
6614         (Layout::Kept_section): New struct.
6615         (Layout::Signatures): Change type of map range.
6616         * object.cc (Relobj::output_section_address): New function.
6617         (Sized_relobj::include_section_group): Add new parameters.  Change
6618         calls to Layout::add_comdat.  Change to build table of kept comdat
6619         groups and table mapping discarded sections to kept sections.
6620         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6621         (Sized_relobj::do_layout): Change calls to include_section_group and
6622         include_linkonce_section.
6623         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6624         value to zero when section is discarded.
6625         (Sized_relobj::map_to_kept_section): New function.
6626         * object.h (Relobj::output_section_address): New function.
6627         (Relobj::Comdat_group): New type.
6628         (Relobj::find_comdat_group): New function.
6629         (Relobj::Comdat_group_table): New type.
6630         (Relobj::Kept_comdat_section): New type.
6631         (Relobj::Kept_comdat_section_table): New type.
6632         (Relobj::add_comdat_group): New function.
6633         (Relobj::set_kept_comdat_section): New function.
6634         (Relobj::get_kept_comdat_section): New function.
6635         (Relobj::comdat_groups_): New field.
6636         (Relobj::kept_comdat_sections_): New field.
6637         (Symbol_value::input_value): Update comment.
6638         (Sized_relobj::map_to_kept_section) New function.
6639         (Sized_relobj::include_linkonce_section): Add new parameter.
6640         * target-reloc.h (Comdat_behavior): New type.
6641         (get_comdat_behavior): New function.
6642         (relocate_section): Add code to map a discarded section to the
6643         corresponding kept section when applying a relocation.
6644
6645 2008-04-30  Craig Silverstein  <csilvers@google.com>
6646
6647         * dwarf_reader.cc (next_generation_count): New static var.
6648         (Addr2line_cache_entry): New struct.
6649         (addr2line_cache): New static var.
6650         (Dwarf_line_info::one_addr2line): Added caching.
6651         (Dwarf_line_info::clear_addr2line_cache): New function.
6652         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6653         cache-size parameter.
6654         (Dwarf_line_info::one_addr2line_cache): New function.
6655         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6656         new cache-size argument to one_addr2line(), and clear cache.
6657
6658 2008-04-28  Cary Coutant  <ccoutant@google.com>
6659
6660         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6661         R_386_PC8 relocations.
6662
6663 2008-04-23  Ian Lance Taylor  <iant@google.com>
6664
6665         * object.cc (Sized_relobj::include_section_group): Check for
6666         invalid section group.
6667
6668         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6669         header size.
6670
6671         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6672         than read for file header.
6673         * archive.cc (Archive::include_member): Likewise.
6674
6675 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6676
6677         * aclocal.m4: Regenerate.
6678         * configure: Regenerate.
6679
6680 2008-04-19  Ian Lance Taylor  <iant@google.com>
6681
6682         * version.cc (version_string): Bump to 1.6.
6683
6684         * testsuite/Makefile.am (many_sections_r_test): New target.
6685         (many_sections_r_test_SOURCES): Remove.
6686         (many_sections_r_test_DEPENDENCIES): Remove.
6687         (many_sections_r_test_LDFLAGS): Remove.
6688         (many_sections_r_test_LDADD): Remove.
6689
6690         * object.cc (Sized_relobj::do_add_symbols): Always pass
6691         local_symbol_count_ to add_from_relobj.
6692
6693         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6694         every thousand variables.
6695         * testsuite/Makefile.in: Rebuild.
6696
6697         * object.cc (Xindex::initialize_symtab_xindex): New function.
6698         (Xindex::read_symtab_xindex): New function.
6699         (Xindex::sym_xindex_to_shndx): New function.
6700         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6701         available.
6702         (Sized_relobj::do_initialize_xindex): New function.
6703         (Sized_relobj::do_read_symbols): Adjust section links.
6704         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6705         parameter.  Change all callers.
6706         (Sized_relobj::include_section_group): Adjust section links and
6707         symbol section indexes.
6708         (Sized_relobj::do_layout): Adjust section links.
6709         (Sized_relobj::do_count_local_symbols): Adjust section links and
6710         symbol section indexes.
6711         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6712         ordinary and special symbols.
6713         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6714         dynsym_xindex parameters.  Change all callers.  Adjust section
6715         links.  Use SHN_XINDEX when needed.
6716         (Sized_relobj::get_symbol_location_info): Adjust section links.
6717         Don't get fooled by special symbols.
6718         * object.h (class Xindex): Define.
6719         (class Object): Add xindex_ parameter.  Declare virtual functoin
6720         do_initialize_xindex.
6721         (Object::adjust_sym_shndx): New function.
6722         (Object::set_xindex): New protected function.
6723         (class Symbol_value): Add is_ordinary_shndx_ field.
6724         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6725         (Symbol_value::value): Assert ordinary section.
6726         (Symbol_value::initialize_input_to_output_map): Likewise.
6727         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6728         Change all callers.
6729         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6730         all callers.
6731         (class Sized_relobj): Update declarations.
6732         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6733         parameter.  Change all callers.
6734         (Sized_relobj::adjust_shndx): New function.
6735         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6736         field.
6737         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6738         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6739         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6740         (Sized_dynobj::read_dynsym_section): Adjust section links.
6741         (Sized_dynobj::read_dynamic): Likewise.
6742         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6743         section links.
6744         (Sized_dynobj::do_initialize_xindex): New function.
6745         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6746         do_initialize_xindex.
6747         (Sized_dynobj::adjust_shndx): New function.
6748         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6749         dynsym_xindex_ fields.
6750         (Layout::finalize): Add a call to set_section_indexes before
6751         creating the symtab sections.
6752         (Layout::set_section_indexes): Don't do anything if the section
6753         already has a section index.
6754         (Layout::create_symtab_sections): Add shnum parameter.  Change
6755         caller.  Create .symtab_shndx section if needed.
6756         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6757         caller.
6758         (Layout::allocated_output_section_count): New function.
6759         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6760         needed.
6761         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6762         fields.  Update declarations.
6763         (Layout::symtab_xindex): New function.
6764         (Layout::dynsym_xindex): New function.
6765         (class Write_symbols_task): Add layout_ field.
6766         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6767         Change caller.
6768         * output.cc (Output_section_headers::Output_section_headers): Add
6769         shstrtab_section parameter.  Change all callers.
6770         (Output_section_headers::do_sized_write): Store overflow values
6771         for section count and section string table section index in
6772         section header zero.
6773         (Output_file_header::do_sized_write): Check for overflow of
6774         section count and section string table section index.
6775         (Output_symtab_xindex::do_write): New function.
6776         (Output_symtab_xindex::endian_do_write): New function.
6777         * output.h (class Output_section_headers): Add shstrtab_section_.
6778         Update declarations.
6779         (class Output_symtab_xindex): Define.
6780         (Output_section::has_out_shndx): New function.
6781         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6782         field.
6783         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6784         Change all callers.
6785         (Sized_symbol::init): Likewise.
6786         (Symbol::output_section): Check for ordinary symbol.
6787         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
6788         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
6789         callers.
6790         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6791         Change all callers.  Simplify handling of symbols from sections
6792         not included in the link.
6793         (Symbol_table::add_from_dynobj): Handle ordinary symbol
6794         distinction.
6795         (Weak_alias_sorter::operator()): Assert that symbols are
6796         ordinary.
6797         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6798         distinction.
6799         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6800         parameters.  Change all callers.
6801         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
6802         symbol distinction.  Use SHN_XINDEX when needed.
6803         (Symbol_table::write_section_symbol): Add symtab_xindex
6804         parameter.  Change all callers.
6805         (Symbol_table::sized_write_section_symbol): Likewise.  Use
6806         SHN_XINDEX when needed.
6807         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
6808         declarations.
6809         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
6810         (Symbol::is_defined): Check is_ordinary.
6811         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6812         (Symbol::is_absolute, Symbol::is_common): Likewise.
6813         (class Sized_symbol): Update declarations.
6814         (class Symbol_table): Update declarations.
6815         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6816         parameters.  Change all callers.
6817         (Sized_symbol::override): Likewise.
6818         (Symbol_table::override): Likewise.
6819         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
6820         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
6821         is_ordinary, and orig_st_shndx parameters.  Change all callers.
6822         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6823         to be in an ordinary section.
6824         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6825         object and is_ordinary parameters.  Change all callers.
6826         (Sized_dwarf_line_info::read_relocs): Add object parameter.
6827         Change all callers.  Don't add undefined or non-ordinary symbols
6828         to reloc_map_.
6829         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6830         Change all callers.
6831         * dwarf_reader.h (class Sized_dwarf_line_info): Update
6832         declarations.
6833         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6834         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6835         (Sized_relobj::relocate_sections): Likewise.
6836         * target-reloc.h (scan_relocs): Adjust section symbol index.
6837         (scan_relocatable_relocs): Likewise.
6838         * i386.cc (Scan::local): Check for ordinary symbols.
6839         * sparc.cc (Scan::local): Likewise.
6840         * x86_64.cc (Scan::local): Likewise.
6841         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6842         to symbol_section_and_value.
6843         * testsuite/many_sections_test.cc: New file.
6844         * testsuite/Makefile.am (BUILT_SOURCES): Define.
6845         (check_PROGRAMS): Add many_sections_test.
6846         (many_sections_test_SOURCES): Define.
6847         (many_sections_test_DEPENDENCIES): Define.
6848         (many_sections_test_LDFLAGS): Define.
6849         (BUILT_SOURCES): Add many_sections_define.h.
6850         (many_sections_define.h): New target.
6851         (BUILT_SOURCES): Add many_sections_check.h.
6852         (many_sections_check.h): New target.
6853         (check_PROGRAMS): Add many_sections_r_test.
6854         (many_sections_r_test_SOURCES): Define.
6855         (many_sections_r_test_DEPENDENCIES): Define.
6856         (many_sections_r_test_LDFLAGS): Define.
6857         (many_sections_r_test_LDADD): Define.
6858         (many_sections_r_test.o): New target.
6859         * testsuite/Makefile.in: Rebuild.
6860
6861 2008-04-17  Cary Coutant  <ccoutant@google.com>
6862
6863         * errors.cc (Errors::info): New function.
6864         (gold_info): New function.
6865         * errors.h (Errors::info): New function.
6866         * gold.h (gold_info): New function.
6867         * object.cc (Input_objects::add_object): Print trace output.
6868         * options.cc (options::parse_set): New function.
6869         (General_options::parse_wrap): Deleted.
6870         (General_options::General_options): Deleted initializer.
6871         * options.h (options::String_set): New typedef.
6872         (options::parse_set): New function.
6873         (DEFINE_set): New macro.
6874         (General_options::wrap): Changed to use DEFINE_set. Changed
6875         callers of any_wrap_symbols and is_wrap_symbol.
6876         (General_options::trace, General_options::trace_symbol):
6877         New options.
6878         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6879         (General_options::wrap_symbols_): Deleted.
6880         * symtab.cc (Symbol_table::add_from_object): Print trace output.
6881
6882 2008-04-17  David S. Miller  <davem@davemloft.net>
6883
6884         * options.cc (General_options::parse_V): New function.
6885         * options.h: Add entries for -V and -Qy.
6886
6887 2008-04-17  Ian Lance Taylor  <iant@google.com>
6888
6889         * common.cc (Symbol_table::allocate_commons): Remove options
6890         parameter.  Change caller.
6891         (Symbol_table::do_allocate_commons): Remove options parameter.
6892         Change caller.  Just call do_allocate_commons_list twice.
6893         (Symbol_table::do_allocate_commons_list): New function, broken out
6894         of do_allocate_commons.
6895         * common.h (class Allocate_commons_task): Remove options_ field.
6896         Update constructor.
6897         * symtab.cc (Symbol_table::Symbol_table): Initialize
6898         tls_commons_.
6899         (Symbol_table::add_from_object): Put TLS common symbols on
6900         tls_commons_ list.
6901         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6902         which are IN_OUTPUT_DATA.
6903         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
6904         allocate_commons and do_allocate_commons declarations.  Declare
6905         do_allocate_commons_list.
6906         * gold.cc (queue_middle_tasks): Update creation of
6907         Allocate_commons_task to not pass options.
6908         * testsuite/Makefile.am (INCLUDES): Add -I.. .
6909         (TLS_TEST_C_FLAGS): New variable.
6910         (tls_test_c_pic.o): New target.
6911         (tls_test_shared.so): Link in tls_test_c_pic.o.
6912         (tls_test_c_pic_ie.o): New target.
6913         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6914         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6915         (tls_test_c.o): New target.
6916         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6917         (tls_pic_test_LDADD): Likewise.
6918         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6919         (tls_shared_gd_to_ie_test_LDADD): Likewise.
6920         (tls_test_c_gnu2.o): New target.
6921         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6922         tls_test_c_gnu2.o.
6923         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6924         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6925         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6926         * testsuite/tls_test.cc: Include "config.h".
6927         (t_last): Call t11_last.
6928         * testsuite/tls_test.h (t11, t11_last): Declare.
6929         * testsuite/tls_test_c.c: New file.
6930         * testsuite/tls_test_main.cc (thread_routine): Call t11.
6931         * configure.ac: Check for OpenMP support.
6932         * configure, config.in, Makefile.in: Rebuild.
6933         * testsuite/Makefile.in: Rebuild.
6934
6935 2008-04-16  Cary Coutant  <ccoutant@google.com>
6936
6937         * i386.cc (Target_i386::define_tls_base_symbol): New function.
6938         (Target_i386::tls_base_symbol_defined_): New field.
6939         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6940         (Target_i386::Scan::global): Likewise.
6941         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6942         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6943         (Target_x86_64::tls_base_symbol_defined_): New field.
6944         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6945         (Target_x86_64::Scan::global): Likewise.
6946
6947 2008-04-16  Cary Coutant  <ccoutant@google.com>
6948
6949         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6950         (Symbol::needs_plt_entry): Allow weak undefined symbols.
6951         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6952         building shared libraries.
6953         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6954         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6955         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6956         * testsuite/Makefile.in: Rebuild.
6957         * testsuite/weak_undef.h: New file.
6958         * testsuite/weak_undef_file1.cc: Add extra test cases.
6959         * testsuite/weak_undef_file2.cc: Likewise.
6960         * testsuite/weak_undef_test.cc: Likewise.
6961
6962 2008-04-16  David S. Miller  <davem@davemloft.net>
6963
6964         * sparc.cc (Target_sparc::Scan): Change from struct to class.
6965         Add issued_non_pic_error_ field.  Declare check_non_pic.
6966         (Target_sparc::Scan::check_non_pic): New function.
6967         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6968         (Target_sparc::Scan::global): Likewise.
6969
6970         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6971         * configure: Rebuild.
6972
6973         * options.h (DEFINE_enable): New macro.
6974         (new_dtags): New enable option.
6975         (initfirst, interpose, loadfltr, nodefaultlib,
6976         nodelete, nodlopen, nodump): New -z options.
6977         * layout.cc (Layout:finish_dynamic_section): If new
6978         dtags enabled, emit DT_RUNPATH.  Also, emit a
6979         DT_FLAGS_1 containing any specified -z flags.
6980
6981 2008-04-16  Ian Lance Taylor  <iant@google.com>
6982
6983         * copy-relocs.cc: New file.
6984         * copy-relocs.h: New file.
6985         * reloc.cc: Remove Copy_relocs code.
6986         * reloc.h: Likewise.
6987         * reloc-types.h (struct Reloc_types) [both versions]: Add
6988         get_reloc_addend_noerror.
6989         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6990         variants of add_global which take an addend which must be zero.
6991         * i386.cc: Include "copy-relocs.h".
6992         (class Target_i386): Change type of copy_relocs_ to variable,
6993         update initializer.
6994         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6995         Change all callers.
6996         (Target_i386::do_finalize_sections): Change handling of
6997         copy_relocs_.
6998         * sparc.cc: Include "copy-relocs.h".
6999         (class Target_sparc): Change type of copy_relocs_ to variable,
7000         update initializer.
7001         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7002         Change all callers.
7003         (Target_sparc::do_finalize_sections): Change handling of
7004         copy_relocs_.
7005         * x86_64.cc: Include "copy-relocs.h".
7006         (class Target_x86_64): Change type of copy_relocs_ to variable,
7007         update initializer.
7008         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7009         class.  Change all callers.
7010         (Target_x86_64::do_finalize_sections): Change handling of
7011         copy_relocs_.
7012         * Makefile.am (CCFILES): Add copy-relocs.cc.
7013         (HFILES): Add copy-relocs.h.
7014
7015         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7016
7017         * testsuite/script_test_4.sh: Permit leading zeroes.
7018
7019 2008-04-15  Ian Lance Taylor  <iant@google.com>
7020
7021         * script-sections.cc (Script_sections::create_segments): Use
7022         header_size_adjustment even when there is enough room for the
7023         headers.
7024         * testsuite/script_test_4.sh: New file.
7025         * testsuite/script_test_4.t: New file.
7026         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7027         (check_DATA): Add script_test_4.stdout.
7028         (MOSTLYCLEANFILES): Likewise.
7029         (script_test_4): New target.
7030         (script_test_4.stdout): New target.
7031         * testsuite/Makefile.in: Rebuild.
7032
7033         * sparc.cc: Add definitions for Output_data_plt_sparc class
7034         constants.
7035
7036 2008-04-14  David S. Miller  <davem@davemloft.net>
7037
7038         * sparc.cc: New file.
7039         * Makefile.am (TARGETSOURCES): Add sparc.cc
7040         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7041         * configure.tgt: Document targ_extra_size and
7042         targ_extra_big_endian.  Add entries for sparc-* and
7043         sparc64-*.
7044         * configure.ac: Handle targ_extra_size and
7045         targ_extra_big_endian.
7046         * Makefile.in: Rebuild.
7047         * configure: Likewise.
7048         * po/POTFILES.in: Likewise.
7049         * po/gold.pot: Likewise.
7050
7051 2008-04-14  Ian Lance Taylor  <iant@google.com>
7052
7053         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7054         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7055         in the name/type/flags to section mapping.  Don't call
7056         allocate_output_section.
7057         (Layout::choose_output_section): Change parameter from adjust_name
7058         to is_input_section.  Don't permit input sections after sections
7059         are attached to segments.  Don't call allocate_output_section.
7060         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7061         not write_enable_output_section.
7062         (Layout::make_output_section): Don't push to
7063         unattached_section_list_ nor call attach_to_segment.  Call
7064         attach_section_to_segment if sections are attached.
7065         (Layout::attach_sections_to_segments): New function.
7066         (Layout::attach_section_to_segment): New function.
7067         (Layout::attach_allocated_section_to_segment): Rename from
7068         attach_to_segment.  Remove flags parameter.
7069         (Layout::allocate_output_section): Remove function.
7070         (Layout::write_enable_output_section): Remove function.
7071         * layout.h (class Layout): Update for above changes.  Add new
7072         field sections_are_attached_.
7073         * output.h (Output_section::update_flags_for_input_section): New
7074         function.
7075         * output.cc (Output_section::add_input_section): Call
7076         update_flags_for_input_section.
7077         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7078
7079 2008-04-11  Cary Coutant  <ccoutant@google.com>
7080
7081         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7082         thought unnecessary.
7083         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7084
7085 2008-04-11  Ian Lance Taylor  <iant@google.com>
7086
7087         * output.h (class Output_section_data): Remove inline definition
7088         of set_addralign.
7089         * output.cc (Output_section_data::set_addralign): New function.
7090
7091 2008-04-11  Cary Coutant  <ccoutant@google.com>
7092
7093         Add support for TLS descriptors for i386 and x86_64.
7094         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7095         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7096         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7097         GOT_TYPE_TLS_DESC.
7098         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7099         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7100         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7101         relocations.
7102         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7103         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7104         Fix problem with initial-exec relocations.
7105         (Target_i386::Relocate::relocate_tls): Likewise.
7106         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7107         relaxation.
7108         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7109         support for section-plus-offset dynamic table entries.
7110         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7111         (Output_data_dynamic::Dynamic_entry): Add support for
7112         section-plus-offset dynamic table entries.
7113         (Output_data_dynamic::Classification): Likewise.
7114         (Output_data_dynamic::classification_): Renamed offset_.
7115         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7116         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7117         (Target_x86_64::make_plt_section): New function.
7118         (Target_x86_64::reserve_tlsdesc_entries): New function.
7119         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7120         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7121         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7122         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7123         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7124         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7125         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7126         add extra PLT entry for TLS descriptors.
7127         (Output_data_plt_x86_64::got_): New field.
7128         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7129         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7130         fields.
7131         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7132         descriptors.
7133         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7134         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7135         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7136         R_386_TLS_DESC_CALL relocations.
7137         (Target_x86_64::Scan::global): Likewise.
7138         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7139         for TLS descriptors.
7140         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7141         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7142         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7143         GD-to-IE relaxation.
7144         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7145         and TLS_DESCRIPTORS.
7146         * Makefile.in: Rebuild.
7147         * configure: Rebuild.
7148         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7149         (tls_test_shared2.so): New target.
7150         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7151         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7152         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7153         (tls_shared_gd_to_ie_test_LDADD): New variable.
7154         (tls_shared_gnu2_gd_to_ie_test): New target.
7155         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7156         New targets.
7157         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7158         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7159         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7160         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7161         (tls_shared_gnu2_test): New target.
7162         (tls_test_gnu2_shared.so): New target.
7163         (tls_shared_gnu2_test_SOURCES): New variable.
7164         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7165         (tls_shared_gnu2_test_LDFLAGS): New variable.
7166         (tls_shared_gnu2_test_LDADD): New variable.
7167         * testsuite/Makefile.in: Rebuild.
7168         * testsuite/Makefile.
7169
7170 2008-04-11  Ian Lance Taylor  <iant@google.com>
7171
7172         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7173         justsyms.t.
7174         * testsuite/Makefile.in: Rebuild.
7175
7176         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7177         long.
7178         * testsuite/script_test_2.cc (main): Adjust test.
7179
7180 2008-04-11  David S. Miller  <davem@davemloft.net>
7181             Ian Lance Taylor  <iant@google.com>
7182
7183         * options.h (General_options): Add entries for '-Y' and
7184         '-relax'.
7185         * options.cc (General_options:finalize): If -Y was used, add those
7186         entries to the library path instead of the default "/lib" and
7187         "/usr/lib".
7188
7189 2008-04-11  David S. Miller  <davem@davemloft.net>
7190
7191         * testsuite/justsyms.t: Start at 0x100.
7192         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7193         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7194         long.
7195         * testsuite/script_test_2.cc: Adjust string and section length
7196         checks.
7197
7198 2008-04-09  Ian Lance Taylor  <iant@google.com>
7199
7200         PR gold/5996
7201         * script-sections.cc (Sections_element::allocate_to_segment): Add
7202         orphan parameter.
7203         (Output_section_definition::allocate_to_segment): Likewise.
7204         (Orphan_output_section::allocate_to_segment): Likewise.
7205         (Script_sections::attach_sections_using_phdrs_clause): Don't
7206         propagate non-PT_LOAD segments to orphan sections.
7207         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7208         readelf rather than objdump.
7209         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7210         .interp section and PT_INTERP segment are the same size.
7211         * testsuite/Makefile.in: Rebuild.
7212
7213         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7214         aliases for symbols defined in the same object.
7215         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7216         (weak_alias_test_SOURCES): New variable.
7217         (weak_alias_test_DEPENDENCIES): New variable.
7218         (weak_alias_test_LDFLAGS): New variable.
7219         (weak_alias_test_LDADD): New variable.
7220         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7221         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7222         (weak_alias_test_3.o): New target.
7223         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7224         * testsuite/weak_alias_test_main.cc: New file.
7225         * testsuite/weak_alias_test_1.cc: New file.
7226         * testsuite/weak_alias_test_2.cc: New file.
7227         * testsuite/weak_alias_test_3.cc: New file.
7228
7229 2008-04-08  Ian Lance Taylor  <iant@google.com>
7230
7231         * options.h (class General_options): Add --noinhibit-exec option.
7232         * main.cc (main): Check --noinhibit-exec.
7233
7234         * options.h (class General_options): Define --wrap as a special
7235         option.  Add wrap_symbols_ field.
7236         (General_options::any_wrap_symbols): New function.
7237         (General_options::is_wrap_symbol): New function.
7238         * options.cc (General_options::parse_wrap): New function.
7239         (General_options::General_options): Initialize wrap_symbols_.
7240         * symtab.cc (Symbol_table::wrap_symbol): New function.
7241         (Symbol_table::add_from_object): Handle --wrap.
7242         * symtab.h (class Symbol_table): Declare wrap_symbol.
7243         * target.h (Target::wrap_char): New function.
7244         (Target::Target_info): Add wrap_char field.
7245         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7246         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7247         * testsuite/testfile.cc (Target_test::test_target_info):
7248         Likewise.
7249
7250         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7251         there is one.
7252
7253         * layout.h (class Layout): Add added_eh_frame_data_ field.
7254         * layout.cc (Layout::Layout): Initialize new field.
7255         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7256         output section until we find a section we merged successfully.
7257         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7258         that the size be non-zero.
7259
7260         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7261         qualifier.
7262
7263 2008-04-08  Craig Silverstein  <csilvers@google.com>
7264
7265         * configure.ac: Export new conditional variable HAVE_ZLIB.
7266         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7267         on HAVE_ZLIB.
7268         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7269         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7270
7271 2008-04-07  Ian Lance Taylor  <iant@google.com>
7272
7273         * version.cc (version_string): Set to "1.5".
7274
7275         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7276         Add issued_non_pic_error_ field.  Declare check_non_pic.
7277         (Target_x86_64::Scan::check_non_pic): New function.
7278         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7279         (Target_x86_64::Scan::global): Likewise.
7280
7281         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7282         addend parameter.  Change caller.  Handle merge sections.
7283         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7284         Address to Addend.  Don't add in the result of
7285         local_section_offset, pass down the addend and use the returned
7286         value.
7287         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7288         Update declarations of local_section_offset and symbol_value.
7289         * testsuite/two_file_test_1.cc (t18): New function.
7290         * testsuite/two_file_test_2.cc (f18): New function.
7291         * testsuite/two_file_test_main.cc (main): Call t18.
7292         * testsuite/two_file_test.h (t18, f18): Declare.
7293
7294         * configure.ac: Don't test for objdump, c++filt, or readelf.
7295         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7296         conditionals.
7297         (TEST_READELF): New variable.
7298         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7299         (check_PROGRAMS): Add two_file_strip_test.
7300         (two_file_strip_test): New target.
7301         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7302         (two_file_same_shared_strip_test_SOURCES): New variable.
7303         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7304         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7305         (two_file_same_shared_strip_test_LDADD): New variable.
7306         (two_file_shared_strip.so): New target.
7307         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7308         (ver_test_5.syms, ver_test_7.syms): Likewise.
7309         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7310         (strip_test_3.stdout): Use TEST_OBJDUMP.
7311         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7312
7313 2008-04-04  Cary Coutant  <ccoutant@google.com>
7314
7315         * symtab.h (Symbol::is_weak_undefined): New function.
7316         (Symbol::is_strong_undefined): New function.
7317         (Symbol::is_absolute): New function.
7318         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7319         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7320         absolute symbols.
7321         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7322         (weak_undef_test): New target.
7323         * testsuite/Makefile.in: Rebuild.
7324         * testsuite/weak_undef_file1.cc: New file.
7325         * testsuite/weak_undef_file2.cc: New file.
7326         * testsuite/weak_undef_test.cc: New file.
7327
7328 2008-04-03  Craig Silverstein  <csilvers@google.com>
7329
7330         * compressed_output.h (class Output_compressed_section): Use
7331         unsigned buffer.
7332         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7333         add zlib header.
7334         (zlib_compressed_suffix): Removed.
7335         (Output_compressed_section::set_final_data_size): Use unsigned
7336         buffers.
7337         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7338         Fix linker invocation.
7339         (flagstest_o_specialfile_and_compress_debug_sections):
7340         Likewise.
7341         * testsuite/Makefile.in: Regenerated.
7342
7343 2008-04-02  David S. Miller  <davem@davemloft.net>
7344
7345         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7346         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7347
7348 2008-04-02  Craig Silverstein  <csilvers@google.com>
7349
7350         * TODO: New file.
7351
7352 2008-04-02  Ian Lance Taylor  <iant@google.com>
7353
7354         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7355         parameters.  Update for new key type to views_.  Change all
7356         callers.
7357         (File_read::read): Adjust for byteshift in returned view.
7358         (File_read::add_view): New function, broken out of
7359         find_and_make_view.
7360         (File_read::make_view): New function, broken out of
7361         find_and_make_view.
7362         (File_read::find_or_make_view): Add offset and aligned
7363         parameters.  Rewrite accordingly.  Change all callers.
7364         (File_read::get_view): Add offset and aligned parameters.  Adjust
7365         for byteshift in return value.
7366         (File_read::get_lasting_view): Likewise.
7367         * fileread.h (class File_read): Update declarations.
7368         (class File_read::View): Add byteshift_ field.  Add byteshift to
7369         constructor.  Add byteshift method.
7370         * archive.h (Archive::clear_uncached_views): New function.
7371         (Archive::get_view): Add aligned parameter.  Change all callers.
7372         * object.h (Object::get_view): Add aligned parameter.  Change all
7373         callers.
7374         (Object::get_lasting_view): Likewise.
7375
7376         * fileread.cc (File_read::release): Don't call clear_views if
7377         there are multiple objects.
7378         * fileread.h (File_read::clear_uncached_views): New function.
7379         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7380         on the archive.
7381
7382 2008-03-31  Cary Coutant  <ccoutant@google.com>
7383
7384         Add thin archive support.
7385         * archive.cc (Archive::armagt): New const.
7386         (Archive::setup): Remove task parameter and calls to unlock.
7387         (Archive::unlock_nested_archives): New function.
7388         (Archive::read_header): Add nested_off parameter. Change
7389         all callers.
7390         (Archive::interpret_header): Likewise.
7391         (Archive::include_all_members): Change to handle thin
7392         archives.
7393         (Archive::include_member): Likewise.
7394         * archive.h (Archive::Archive): Add new parameters and
7395         initializers.
7396         (Archive::armagt): New const.
7397         (Archive::setup): Remove task parameter.
7398         (Archive::unlock_nested_archives): New function.
7399         (Archive::read_header): Add nested_off parameter.
7400         (Archive::interpret_header): Likewise.
7401         (Archive::Nested_archive_table): New typedef.
7402         (Archive::is_thin_archive_): New field.
7403         (Archive::nested_archives_): New field.
7404         (Archive::options_): New field.
7405         (Archive::dirpath_): New field.
7406         (Archive::task_): New field.
7407         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7408         for thin archives.  Pass additional parameters to
7409         Archive::Archive.  Unlock the archive file after calling
7410         Archive::setup.
7411
7412 2008-03-29  Ian Lance Taylor  <iant@google.com>
7413
7414         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7415         version symbol to be local.
7416         * testsuite/ver_test_4.sh: New file.
7417         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7418         (check_DATA): Add ver_test_4.syms.
7419         (ver_test_4.syms): New target.
7420         * testsuite/Makefile.in: Rebuild.
7421
7422         * output.cc
7423         (Output_section::Input_section_sort_entry::has_priority): New
7424         function.
7425         (Output_section::Input_section_sort_entry::match_file_name): New
7426         function.
7427         (Output_section::Input_section_sort_entry::match_section_name):
7428         Remove.
7429         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7430         Remove.
7431         (Output_section::Input_section_sort_entry::match_section_file):
7432         Remove.
7433         (Output_section::Input_section_sort_compare::operator()): Rewrite
7434         using new Input_section_sort_entry functions.  Sort crtbegin and
7435         crtend first.  Sort sections with no priority before sections with
7436         a priority.
7437         * testsuite/initpri1.c (d3): Check j != 4.
7438         (cd5): New constructor/destructor function.
7439         (main): Check j != 2.
7440
7441         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7442         new symbol when resolving, don't call set_is_default.
7443         * testsuite/ver_test_7.cc: New file.
7444         * testsuite/ver_test_7.sh: New file.
7445         * testsuite/Makefile.am (ver_test_7.so): New target.
7446         (ver_test_7.o): New target.
7447         (check_SCRIPTS): Add ver_test_7.sh.
7448         (check_DATA): Add ver_test_7.syms.
7449         (ver_test_7.syms): New target.
7450
7451 2008-03-28  Ian Lance Taylor  <iant@google.com>
7452
7453         * layout.cc (Layout::layout): If we see an input section with a
7454         name that needs sorting, set the must_sort flag for the output
7455         section.
7456         (Layout::make_output_section): If the name of the output section
7457         indicates that it might require sorting, set the may_sort flag.
7458         * output.h (Output_section::may_sort_attached_input_sections): New
7459         function.
7460         (Output_section::set_may_sort_attached_input_sections): New
7461         function.
7462         (Output_section::must_sort_attached_input_sections): New
7463         function.
7464         (Output_section::set_must_sort_attached_input_sections): New
7465         function.
7466         (class Output_section): Declare Input_section_sort_entry.  Define
7467         Input_section_sort_compare.  Declare
7468         sort_attached_input_sections.  Add new fields:
7469         may_sort_attached_input_sections_,
7470         must_sort_attached_input_sections_,
7471         attached_input_sections_are_sorted_.
7472         * output.cc (Output_section::Output_section): Initialize new
7473         fields.
7474         (Output_section::add_input_section): Add an entry to
7475         input_sections_ if may_sort or must_sort are true.
7476         (Output_section::set_final_data_size): Call
7477         sort_attached_input_sections if necessary.
7478         (Output_section::Input_section_sort_entry): Define new class.
7479         (Output_section::Input_section_sort_compare::operator()): New
7480         function.
7481         (Output_section::sort_attached_input_sections): New function.
7482         * configure.ac: Check whether the compiler supports constructor
7483         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7484         * testsuite/initpri1.c: New file.
7485         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7486         CONSTRUCTOR_PRIORITY.
7487         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7488         (initpri1_LDFLAGS): New variable.
7489         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7490
7491 2008-03-27  Ian Lance Taylor  <iant@google.com>
7492
7493         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7494         * testsuite/common_test_1.c: New file.
7495         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7496         (common_test_1_SOURCES): New variable.
7497         (common_test_1_DEPENDENCIES): New variable.
7498         (common_test_1_LDFLAGS): New variable.
7499
7500         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7501         and commons_ correctly when NAME/VERSION does not override
7502         NAME/NULL.
7503         * testsuite/ver_test_6.c: New file.
7504         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7505         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7506         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7507
7508 2008-03-26  Ian Lance Taylor  <iant@google.com>
7509
7510         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7511         of an undefined symbol from a version script.
7512         * testsuite/Makefile.am (ver_test_5.so): New target.
7513         (ver_test_5.o): New target.
7514         (check_SCRIPTS): Add ver_test_5.sh.
7515         (check_DATA): Add ver_test_5.syms.
7516         (ver_test_5.syms): New target.
7517         * testsuite/ver_test_5.cc: New file.
7518         * testsuite/ver_test_5.script: New file.
7519         * testsuite/ver_test_5.sh: New file.
7520         * Makefile.in, testsuite/Makefile.in: Rebuild.
7521
7522         PR gold/5986
7523         Fix problems building gold with gcc 4.3.0.
7524         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7525         (gold_error_at_location, gold_warning_at_location): Use it.
7526         * configure.ac: Check whether we can compile and use a template
7527         function with a printf attribute.
7528         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7529         when jumping over bytes.
7530         * object.cc: Instantiate Object::read_section_data.
7531         * debug.h: Include <cstring>
7532         * dwarf_reader.cc: Include <algorithm>
7533         * main.cc: Include <cstring>.
7534         * options.cc: Include <cstring>.
7535         * output.cc: Include <cstring>.
7536         * script.cc: Include <cstring>.
7537         * script.h: Include <string>.
7538         * symtab.cc: Include <cstring> and <algorithm>.
7539         * target-select.cc: Include <cstring>.
7540         * version.cc: Include <string>.
7541         * testsuite/testmain.cc: Include <cstdlib>.
7542         * configure, config.in: Rebuild.
7543
7544 2008-03-25  Ian Lance Taylor  <iant@google.com>
7545
7546         * options.cc: Include "../bfd/bfdver.h".
7547         (options::help): Print bug reporting address.
7548
7549         * version.cc (print_version): Adjust output for current value of
7550         BFD_VERSION_STRING.
7551
7552         * NEWS: New file.
7553
7554         * options.cc (options::help): Print list of supported targets.
7555         * target-select.h: Include <vector>.
7556         (class Target_selector): Make machine_, size_, and is_big_endian_
7557         fields const.  Add bfd_name_ and instantiated_target_ fields.
7558         (Target_selector::Target_selector): Add bfd_name parameter.
7559         (Target_selector::recognize): Make non-virtual, call
7560         do_recognize.
7561         (Target_selector::recognize_by_name): Make non-virtual, call
7562         do_recognize_by_name.
7563         (Target_selector::supported_names): New function.
7564         (Target_selector::bfd_name): New function.
7565         (Target_selector::do_instantiate_target): New pure virtual
7566         function.
7567         (Target_selector::do_recognize): New virtual function.
7568         (Target_selector::do_recognize_by_name): New virtual function.
7569         (Target_selector::instantiate_target): New private function.
7570         (supported_target_names): Declare.
7571         * target-select.cc (Target_selector::Target_selector): Update for
7572         new parameter and fields.
7573         (select_target_by_name): Check that the name matches before
7574         calling recognize_by_name.
7575         (supported_target_names): New function.
7576         * i386.cc (class Target_selector_i386): Update Target_selector
7577         constructor call.  Remove recognize and recognize_by_name.  Add
7578         do_instantiate_target.
7579         * x86_64.cc (class Target_selector_x86_64): Likewise.
7580         * testsuite/testfile.cc (class Target_selector_test): Update for
7581         changes to Target_selector.
7582
7583         * README: Rewrite, with some notes on unsupported features.
7584
7585 2008-03-24  Cary Coutant  <ccoutant@google.com>
7586
7587         * i386.cc (Target_i386::Got_type): New enum declaration.
7588         (Target_i386::Scan::local): Updated callers of Output_data_got
7589         member functions.
7590         (Target_i386::Scan::global): Likewise.
7591         (Target_i386::Relocate::relocate): Likewise.
7592         (Target_i386::Relocate::relocate_tls): Likewise.
7593         * object.h (Got_offset_list): New class.
7594         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7595         (Sized_relobj::local_got_offset): Likewise.
7596         (Sized_relobj::set_local_got_offset): Likewise.
7597         (Sized_relobj::local_has_tls_got_offset): Removed.
7598         (Sized_relobj::local_tls_got_offset): Removed.
7599         (Sized_relobj::set_local_tls_got_offset): Removed.
7600         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7601         * output.cc (Output_data_got::add_global): Added got_type parameter.
7602         (Output_data_got::add_global_with_rel): Likewise.
7603         (Output_data_got::add_global_with_rela): Likewise.
7604         (Output_data_got::add_global_pair_with_rel): New function.
7605         (Output_data_got::add_global_pair_with_rela): New function.
7606         (Output_data_got::add_local): Added got_type parameter.
7607         (Output_data_got::add_local_with_rel): Likewise.
7608         (Output_data_got::add_local_with_rela): Likewise.
7609         (Output_data_got::add_local_pair_with_rel): New function.
7610         (Output_data_got::add_local_pair_with_rela): New function.
7611         (Output_data_got::add_global_tls): Removed.
7612         (Output_data_got::add_global_tls_with_rel): Removed.
7613         (Output_data_got::add_global_tls_with_rela): Removed.
7614         (Output_data_got::add_local_tls): Removed.
7615         (Output_data_got::add_local_tls_with_rel): Removed.
7616         (Output_data_got::add_local_tls_with_rela): Removed.
7617         * output.h (Output_data_got::add_global): Added got_type parameter.
7618         (Output_data_got::add_global_with_rel): Likewise.
7619         (Output_data_got::add_global_with_rela): Likewise.
7620         (Output_data_got::add_global_pair_with_rel): New function.
7621         (Output_data_got::add_global_pair_with_rela): New function.
7622         (Output_data_got::add_local): Added got_type parameter.
7623         (Output_data_got::add_local_with_rel): Likewise.
7624         (Output_data_got::add_local_with_rela): Likewise.
7625         (Output_data_got::add_local_pair_with_rel): New function.
7626         (Output_data_got::add_local_pair_with_rela): New function.
7627         (Output_data_got::add_global_tls): Removed.
7628         (Output_data_got::add_global_tls_with_rel): Removed.
7629         (Output_data_got::add_global_tls_with_rela): Removed.
7630         (Output_data_got::add_local_tls): Removed.
7631         (Output_data_got::add_local_tls_with_rel): Removed.
7632         (Output_data_got::add_local_tls_with_rela): Removed.
7633         * resolve.cc (Symbol::override_base_with_special): Removed
7634         reference to has_got_offset_ field.
7635         * symtab.cc (Symbol::init_fields): Replaced initialization
7636         of got_offset_ with got_offsets_.  Removed initialization
7637         of has_got_offset_
7638         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7639         (Symbol::got_offset): Likewise.
7640         (Symbol::set_got_offset): Likewise.
7641         (Symbol::has_tls_got_offset): Removed.
7642         (Symbol::tls_got_offset): Removed.
7643         (Symbol::set_tls_got_offset): Removed.
7644         (Symbol::got_offset_): Removed.
7645         (Symbol::tls_mod_got_offset_): Removed.
7646         (Symbol::tls_pair_got_offset_): Removed.
7647         (Symbol::got_offsets_): New field.
7648         (Symbol::has_got_offset): Removed.
7649         (Symbol::has_tls_mod_got_offset): Removed.
7650         (Symbol::has_tls_pair_got_offset): Removed.
7651         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7652         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7653         member functions.
7654         (Target_x86_64::Scan::global): Likewise.
7655         (Target_x86_64::Relocate::relocate): Likewise.
7656         (Target_x86_64::Relocate::relocate_tls): Likewise.
7657
7658 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7659
7660         * yyscript.y: Fix spelling error in comment.
7661
7662 2008-03-24  Ian Lance Taylor  <iant@google.com>
7663
7664         * options.h (class General_options): Define build_id option.
7665         * layout.h (class Layout): Declare write_build_id, create_note,
7666         create_build_id.  Add build_id_note_ member.
7667         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7668         "libiberty.h", "md5.h", "sha1.h".
7669         (Layout::Layout): Initialize eh_frame_data_,
7670         eh_frame_hdr_section_, and build_id_note_.
7671         (Layout::finalize): Call create_build_id.
7672         (Layout::create_note): New function, broken out of
7673         Layout::create_gold_note.
7674         (Layout::create_gold_note): Call create_note.
7675         (Layout::create_build_id): New function.
7676         (Layout::write_build_id): New function.
7677         (Close_task_runner::run): Call write_build_id.
7678
7679         * x86_64.cc: Correct license to GPLv3.
7680
7681 2008-03-23  Ian Lance Taylor  <iant@google.com>
7682
7683         * options.cc: Include "demangle.h".
7684         (parse_optional_string): New function.
7685         (parse_long_option): Handle takes_optional_argument.
7686         (parse_short_option): Update dash_z initializer.  Handle
7687         takes_optional_argument.
7688         (General_options::General_options): Initialize do_demangle_.
7689         (General_options::finalize): Set do_demangle_.  Handle demangling
7690         style.
7691         * options.h (parse_optional_string): Declare.
7692         (struct One_option): Add optional_arg field.  Update constructor.
7693         Update call constructor calls.  Add takes_optional_argument
7694         function.
7695         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7696         (DEFINE_optional_string): Define.
7697         (General_options::demangle): Change from DEFINE_bool to
7698         DEFINE_optional_string.
7699         (General_options::no_demangle): New function.
7700         (General_options::do_demangle): New function.
7701         (General_options::set_do_demangle): New function.
7702         (General_options::execstack_status_): Move definition to end of
7703         class definition.
7704         (General_options::static_): Likewise.
7705         (General_options::do_demangle_): New field.
7706         * object.cc (big_endian>::get_symbol_location_info): Call
7707         Options::do_demangle, not Options::demangle.
7708         * symtab.cc (demangle): Likewise.
7709
7710 2008-03-22  Ian Lance Taylor  <iant@google.com>
7711
7712         * gold.h: Include <cstddef> and <sys/types.h>
7713         * options.h: Include <cstring>.
7714
7715 2008-03-21  Ian Lance Taylor  <iant@google.com>
7716
7717         * Added source code to GNU binutils.