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