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