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