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