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