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