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