2010-05-18 Rafael Espindola <espindola@google.com>
[external/binutils.git] / gold / ChangeLog
1 2010-05-18  Rafael Espindola  <espindola@google.com>
2
3         * options.cc (General_options::finalize): Handle -nostdlib.
4         * options.h (nostdlib): New option.
5         * script.cc (script_add_search_dir): Handle -nostdlib.
6
7 2010-05-12  Doug Kwan  <dougkwan@google.com>
8
9         * arm.cc (Target_arm::do_finalize_sections): Create an empty
10         attributes section only if there no attributes section after merging.
11         (Target_arm::merge_object_attributes): Move value of
12         Tag_MPextension_use_legacy to that of Tag_MPextension_use. 
13         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
14         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
15         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
16         and arm_attr_merge_7.stdout.
17         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
18         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
19         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
20         arm_attr_merge_7b.o): New rules.
21         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
22         arm_attr_merge_7
23         * testsuite/Makefile.in: Regenerate.
24         * testsuite/arm_attr_merge.sh: New file.
25         * testsuite/arm_attr_merge_[67][ab].s: Same.
26
27 2010-05-05  Nick Clifton  <nickc@redhat.com>
28
29         * po/es.po: Updated Spanish translation.
30
31 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
32
33         * Makefile.am (install-exec-local): Properly install gold as
34         default cross linker.
35         * Makefile.in: Regenerated.
36
37 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
38             Nick Clifton  <nickc@redhat.com>
39
40         * configure.ac (install_as_default): Define and set to false
41         unless --enable-gold or --enable-gold=both/gold has been
42         specified.
43         * configure: Regenerate.
44
45         * Makefile.am (install-exec-local): Install the executable as
46         'ld.gold'.  If install_as_default is true then also install it as
47         'ld'.
48         * Makefile.in: Regenerated.
49
50 2010-04-24  Ian Lance Taylor  <iant@google.com>
51
52         * layout.cc (Layout::layout_reloc): In relocatable link don't
53         combine reloc sections for grouped sections.
54
55 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
56
57         * gc.h (gc_process_relocs): Pass information on relocs pointing to
58         sections that are not ordinary to icf.
59         * icf.cc (get_section_contents): Handle relocation pointing to section
60         with no object or shndx information.
61         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
62         * testsuite/Makefile.in: Regenerate.
63         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
64         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
65
66 2010-04-22  Ian Lance Taylor  <iant@google.com>
67
68         * expression.cc (Expression::Expression_eval_info): Add
69         result_alignment_pointer field.
70         (Expression::eval_with_dot): Add result_alignment_pointer
71         parameter.  Change all callers.
72         (Expression::eval_maybe_dot): Likewise.
73         (class Binary_expression): Add alignment_pointer parameter to
74         left_value and right_value.  Change all callers.
75         (BINARY_EXPRESSION): Set result alignment.
76         (class Trinary_expression): Add alignment_pointer parameter to
77         arg2_value and arg3_value.  Change all callers.
78         (Trinary_cond::value): Set result alignment.
79         (Max_expression::value, Min_expression::value): Likewise.
80         (Align_expression::value): Likewise.
81         * script-sections.cc (class Sections_element): Add dot_alignment
82         parameter to set_section_addresses virtual function.  Update
83         instantiations.
84         (class Output_section_element): Likewise.
85         (Script_sections::create_segments): Add dot_alignment parameter.
86         Change all callers.
87         (Script_sections::create_segments_from_phdrs_clause): Likewise.
88         (Script_sections::set_phdrs_clause_addresses): Likewise.
89         * script-sections.h: Update declarations.
90         * script.h: Update declarations.
91         * output.h (Output_segment::set_minimum_p_align): Don't decrease
92         min_p_align.
93         * testsuite/script_test_3.t: Set large alignment.
94         * testsuite/script_test_3.sh: Make sure that at least one LOAD
95         segment has expected alignment.
96
97 2010-04-22  Nick Clifton  <nickc@redhat.com>
98
99         * po/gold.pot: Updated by the Translation project.
100         * po/vi.po: Updated Vietnamese translation.
101
102 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
103
104         * testsuite/Makefile.am (check_PROGRAMS): Add
105         icf_virtual_function_folding_test.
106         * testsuite/Makefile.in: Regenerated.
107
108 2010-04-15  Andrew Haley  <aph@redhat.com>
109
110         * options.h (merge_exidx_entries): New option.
111         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
112         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
113         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
114         (Target_arm::merge_exidx_entries): New function.
115         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
116         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
117         to Arm_exidx_fixup constructor.
118         Add new arg, merge_exidx_entries.
119         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
120         Arm_output_section::fix_exidx_coverage.
121
122 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
123
124         * icf.cc (get_section_contents): Check for preemptible functions.
125         Ignore addend when appropriate.
126         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
127         section folded.
128         (add_from_relobj): Check for section folded.
129         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
130         * symtab.h (should_add_dynsym_entry): Add new parameter.
131         * target-reloc.h (scan_relocs): Check for section folded.
132         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
133         Check reloc types for function pointers in shared objects.
134         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
135         case.
136         (icf_preemptible_functions_test): New test case.
137         (icf_string_merge_test): New test case.
138         * testsuite.Makefile.in: Regenerate.
139         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
140         bar_glob.  Refactor code.
141         * testsuite/icf_preemptible_functions_test.cc: New file.
142         * testsuite/icf_preemptible_functions_test.sh: New file.
143         * testsuite/icf_string_merge_test.cc: New file.
144         * testsuite/icf_string_merge_test.sh: New file.
145         * testsuite/icf_virtual_function_folding_test.cc: New file.
146         * testsuite/icf_virtual_function_folding_test.sh: New file.
147
148 2010-04-14  Doug Kwan  <dougkwan@google.com>
149
150         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
151         for local symbol recounting if we remove a section due to ICF.
152         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
153         there are no regular objects in input.
154
155 2010-04-13  Doug Kwan  <dougkwan@google.com>
156
157         * arm.cc (Arm_input_section::set_final_data_size): Compute
158         accurate final data size instead of using current data size.
159
160 2010-04-09  Doug Kwan  <dougkwan@google.com>
161
162         * layout.cc (Layout::choose_output_section): Handle script section
163         types.
164         (Layout::make_output_section_for_script): Add section type parameter.
165         Handle script section types.
166         * layout.h (Layout::make_output_section_for_script): Add section
167         type parameter.
168         * output.cc (Output_section::Output_section): Initialize data member
169         is_noload_.
170         (Output_section::do_reset_address_and_file_offset): Do not set address
171         to 0 if section is a NOLOAD section.
172         * output.h (Output_section::is_noload): New method.
173         (Output_section::set_is_noload): Ditto.
174         (Output_section::is_noload_): New data member.
175         * script-c.h (Script_section_type): New enum type.
176         (struct Parser_output_section_header): Add new file section_type.
177         * script-sections.cc (Sections_element::output_section_name): Add
178         parameter for returning script section type.
179         (Output_section_definition::output_section_name): Ditto.
180         (Output_section_definition::section_type)P; New method.
181         (Output_section_definiton::script_section_type_name): Ditto.
182         (Output_section_definition::script_section_type_): New data member.
183         (Output_section_definition::Output_section_definition): Initialize
184         data member Output_section_definition::script_section_type_.
185         (Output_section_definition::create_sections): Pass script section type
186         to Layout::make_output_section_for_script.
187         (Output_section_definition::output_section_name): Return script
188         section type to caller.
189         (Output_section_definition::set_section_address): Do not advance
190         dot value and load address if section type is NOLOAD.  Set address
191         of NOLOAD sections regardless of section flags.
192         (Output_section_definition::print): Print section type if it is
193         not SCRIPT_SECTION_TYPE_NONE.
194         (Output_section_definition::section_type): New method.
195         (Output_section_definition::script_section_type_name): Ditto.
196         (Script_sections::output_section_name): Add new parameter
197         PSECTION_TYPE for returning script section type.  Pass it to
198         section elements.  Handle discard sections.
199         (Sort_output_sections::operator()): Handle NOLOAD sections.
200         * script-sections.h (Script_sections::Section_type): New enum type.
201         (Script_sections::output_section_name): Add a new parameter for
202         returning script section type.
203         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
204         INFO and NOLOAD.
205         * yyscript.y (union): Add new field SECTION_TYPE.
206         (COPY, DSECT, INFO, NOLOAD): New tokens.
207         (opt_address_and_section_type): Change type to output_section_header.
208         (section_type): New non-terminal
209         (section_header): Handle section type.
210         (opt_address_and_section_type): Return section type value.
211
212 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
213
214         * testsuite/plugin_common_test_1.c (foo): Add prototype.
215         * testsuite/plugin_common_test_2.c (foo): Likewise.
216
217 2010-04-08  Doug Kwan  <dougkwan@google.com>
218
219         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
220         Output_merge_data.
221         * output.cc (Output_section::add_merge_input_section): Simplify
222         code and return status of Output_merge_base::add_input_section.
223         Update merge section map only if Output_merge_base::add_input_section 
224         returns true.
225
226 2010-04-07  Doug Kwan  <dougkwan@google.com>
227
228         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
229         if section is marked as containing instructions but has no mapping
230         symbols.
231         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
232         correct section index.
233         (Arm_relobj::find_linked_text_section): Ditto.
234
235 2010-04-07  Cary Coutant  <ccoutant@google.com>
236
237         * archive.cc (include_member): Destroy Read_symbols_data object before
238         releasing file.
239         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
240         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
241         (Read_symbols_data::~Read_symbols_data) New destructor.
242         (Section_relocs::Section_relocs) New constructor.
243         (Section_relocs::~Section_relocs) New destructor.
244         (Read_relocs_data::Read_relocs_data) New constructor.
245         (Read_relocs_data::~Read_relocs_data) New destructor.
246         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
247         pointers to NULL after deleting.
248
249 2010-04-07  Doug Kwan  <dougkwan@google.com>
250
251         * arm.cc: Replace "endianity" with "endianness" in comments.
252         (Arm_exidx_cantunwind): Ditto.
253         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
254         (Arm_relobj::merge_flags_and_attributes): New method.
255         (Arm_relobj::merge_flags_and_attributes_): New data member.
256         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
257         (Arm_relobj::scan_sections_for_stubs): Ditto.
258         (Arm_relobj::do_read_symbols): Check to see if we really want to
259         merge processor-specific flags and attributes.  Exit early if
260         an object is empty except for section names and the undefined symbol.
261         (Target_arm::do_finalize_sections): Move check for ELF format to
262         Arm_relobj::do_read_symbols.  Merge processor specific flags and
263         attributes from a regular object only when we have determined that
264         it is aapropriate.  Do not create an .ARM.attributes section in
265         output if there is no regular input object.
266         (Target_arm::merge_processor_specific_flags): Check
267         --warn-mismatch before printing any error.
268         (Target_arm::merge_object_attributes): Ditto.
269         * gold.cc (queue_middle_tasks): Handle the case in which there is
270         no regular object in input.
271         * options.cc (General_options::parse_EB): New method.
272         (General_options::parse_EL): Same.
273         (General_options::General_options): Initialize endianness_.
274         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
275         New options.
276         (General_options::Endianness): New enum.
277         (General_options::endianness): New method.
278         (General_options::endianness_): New data member.
279         * parameters.cc (Parameters::set_options): Check target endianness.
280         (Parameters::set_target_once): Ditto.
281         (Parameters::check_target_endianness): New method.
282         (parameters_force_valid_target): If either -EL or -EB is specified,
283         use it to define endianness of default target.
284         * parameters.h (Parameters::check_target_endianness): New method
285         declaration.
286         * target.h (class Target): Change "endianity" to "endianness"
287         in comments.
288
289 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
290
291         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
292         * configure: Regenerate.
293         * Makefile.in: Regenerate.
294         * testsuite/Makefile.in: Regenerate.
295
296 2010-04-06  Cary Coutant  <ccoutant@google.com>
297
298         gcc PR lto/42757
299         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
300         prevailing definitions of common symbols.
301         * testsuite/plugin_test_6.sh: New test case.
302         * testsuite/plugin_common_test_1.c: New test case.
303         * testsuite/plugin_common_test_2.c: New test case.
304         * testsuite/Makefile.am (plugin_test_6): New test case.
305         * testsuite/Makefile.in: Regenerate.
306
307 2010-04-06  Nick Clifton  <nickc@redhat.com>
308
309         * po/vi.po: New Vietnamese translation.
310
311 2010-03-30  Doug Kwan  <dougkwan@google.com>
312
313         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
314
315 2010-03-25  Doug Kwan  <dougkwan@google.com>
316
317         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
318         to avoid a conversion warning on a 32-bit host.
319
320 2010-03-24  Ian Lance Taylor  <iant@google.com>
321
322         * testsuite/script_test_3.t: Add a TLS segment.
323         * testsuite/Makefile.am (check_PROGRAMS): Add
324         tls_phdrs_script_test.
325         (tls_phdrs_script_test_SOURCES): Define.
326         (tls_phdrs_script_test_DEPENDENCIES): Define.
327         (tls_phdrs_script_test_LDFLAGS): Define.
328         (tls_phdrs_script_test_LDADD): Define.
329         * testsuite/Makefile.in: Rebuild.
330
331 2010-03-23  Cary Coutant  <ccoutant@google.com>
332
333         * fileread.cc (find_or_make_view): Fix comment.
334
335 2010-03-23  Ian Lance Taylor  <iant@google.com>
336
337         * script-sections.cc (class Orphan_section_placement): Define
338         PLACE_TLS and PLACE_TLS_BSS.
339         (Orphan_section_placement::Orphan_section_placement): Initialize
340         new places.
341         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
342         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
343         (tls_script_test_SOURCES): Define.
344         (tls_script_test_DEPENDENCIES): Define.
345         (tls_script_test_LDFLAGS): Define.
346         (tls_script_test_LDADD): Define.
347         * testsuite/Makefile.in: Rebuild.
348
349 2010-03-22  Doug Kwan  <dougkwan@google.com>
350
351         * arm.cc (Arm_relocate_functions::abs8,
352         Arm_relocate_functions::abs16): Use correct check for overflow
353         specified in the ARM ELF specs.
354         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
355         target of a BLX instruction specially.
356         (Reloc_stub::stub_type_for_reloc): Ditto.
357         (Relocate::relocate): Use symbolic names instead of numeric relocation
358         codes to report error.
359         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
360         workaround.
361         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
362         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
363         thumb2_blx_out_of_range.stdout
364         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
365         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
366         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
367         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
368         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
369         thumb2_blx_in_range, thumb2_blx_in_range.o,
370         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
371         thumb2_blx_out_of_range.o): New rules.
372         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
373         thumb2_blx_in_range and thumb2_blx_out_of_range.
374         * testsuite/Makefile.in: Regenerate.
375         * arm_branch_in_range.sh: Add tests for THUMB BLX.
376         * testsuite/thumb_blx_in_range.s: New file.
377         * testsuite/thumb_blx_out_of_range.s: New file.
378
379 2010-03-22  Rafael Espindola  <espindola@google.com>
380
381         * archive.cc (Should_include): Move to archive.h.
382         (should_include_member): Make it a member of Archive.
383         (Lib_group): New.
384         (Add_lib_group_symbols): New.
385         * archive.h: Include options.h.
386         (Archive_member): Moved from Archive.
387         (Should_include): Moved from archive.cc.
388         (Lib_group): New.
389         (Add_lib_group_symbols): New.
390         * dynobj.cc (do_should_include_member): New.
391         * dynobj.h (do_should_include_member): New.
392         * gold.cc (queue_initial_tasks): Update call to queue.
393         * main.cc (main): Print lib group stats.
394         * object.cc (do_should_include_member): New.
395         * object.h: Include archive.h.
396         (Object::should_include_member): New.
397         (Object::do_should_include_member): New.
398         (Sized_relobj::do_should_include_member): New.
399         * options.cc (General_options::parse_start_lib): New.
400         (General_options::parse_end_lib): New.
401         (Input_arguments::add_file): Handle lib groups.
402         (Input_arguments::start_group): Check we are not in a lib.
403         (Input_arguments::start_lib): New.
404         (Input_arguments::end_lib): New.
405         * options.h (General_options): Add start_lib and end_lib.
406         (Input_argument::lib_): New.
407         (Input_argument::lib): New.
408         (Input_argument::is_lib): New.
409         (Input_file_lib): New.
410         (Input_arguments::in_lib_): New.
411         (Input_arguments::in_lib): New.
412         (Input_arguments::start_lib): New.
413         (Input_arguments::end_lib_): New.
414         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
415         in unused members as preempted.
416         (Sized_pluginobj::do_should_include_member): New.
417         * plugin.h (Sized_pluginobj::do_should_include_member): New.
418         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
419         return the blocker.
420         (Read_symbols::do_whole_lib_group): New.
421         (Read_symbols::do_lib_group): New.
422         (Read_symbols::do_read_symbols): Handle lib groups.
423         (Read_symbols::get_name): Handle lib groups.
424         * readsyms.h (Read_symbols): Add an archive member pointer.
425         (Read_symbols::do_whole_lib_group): New.
426         (Read_symbols::do_lib_group): New.
427         (Read_symbols::member_): New.
428         * script.cc (read_input_script): Update call to queue_soon.
429
430 2010-03-19  Doug Kwan  <dougkwan@google.com>
431
432         * arm.cc (Stub_table::Stub_table): Initialize new data members
433         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
434         (Stub_table::add_reloc_stub): Assign stub offset and update
435         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
436         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
437         New data members.
438         (Stub_table::update_data_size_and_addralign): Use
439         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
440         instead of going over all reloc stubs.
441         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
442         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
443         Stringpool_template::offset_ to size of Stringpool_char.
444         (Stringpool_template::new_key_offset): Remove code to initialize
445         Stringpool_template::offset_.
446         * stringpool.h (Stringpool_template::set_no_zero_null): Set
447         Stringpool_template::offset_ to zero.
448
449 2010-03-15  Doug Kwan  <dougkwan@google.com>
450
451         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
452         offset_.
453         (Stringpool_template::new_key_offset): New method.
454         (Stringpool_template::add_string): Assign offsets when adding new
455         strings.
456         (Stringpool_template::set_string_offsets): Do not set string offsets
457         when not optimizing.
458         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
459         member size_.
460         (Chunked_vector::clear): Clear size_.
461         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
462         (Chunked_vector::size): Return size_.
463         (Chunked_vector::push_back): Use size_ to find insert position.
464         (Chunked_vector::size_): New data member. 
465         (Stringpool_template::set_no_zero_null): Assert string set is empty.
466         (Stringpool_template::new_key_offset): New method declaration.
467         (Stringpool_template::offset_): New data member.
468
469 2010-03-15   Rafael Espindola  <espindola@google.com>
470
471         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
472         Add_symbols' constructor.
473         * readsyms.h (Add_symbols): Remove the input_group member.
474
475 2010-03-10  Ian Lance Taylor  <iant@google.com>
476
477         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
478         target to ask whether a reference to a symbol requires a stack
479         split.
480         * target.h (Target::is_call_to_non_split): New function.
481         (Target::do_is_call_to_non_split): Declare virtual function.
482         * target.cc: Include "symtab.h".
483         (Target::do_is_call_to_non_split): New function.
484         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
485
486 2010-03-10  Cary Coutant  <ccoutant@google.com>
487
488         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
489         (File_read::open[1]): Remove initial mapping of whole_file_view_.
490         (File_read::open[2]): Add whole_file_view_ to list of views.
491         (File_read::make_view): Remove test of whole_file_view_.
492         (File_read::find_or_make_view): Create whole_file_view_ if
493         necessary.
494         (File_read::clear_views): Replace bool parameter with enum;
495         adjust all callers.  Don't delete views with permanent data;
496         do delete cached views and views from archives if
497         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
498         if clearing the corresponding view.
499         * fileread.h (File_read::Clear_views_mode): New enum.
500         (File_read::View::is_permanent_view): New method.
501         (File_read::clear_views): Replace bool parameter
502         with enum; adjust all callers.
503         * options.h (General_options): Change keep_files_mapped option;
504         add map_whole_files.
505         * readsyms.cc (Add_symbols::run): Delete sd_ object before
506         releasing the file.
507         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
508         the file.
509
510 2010-03-10  David S. Miller  <davem@davemloft.net>
511
512         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
513
514 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
515
516         * icf.cc (get_section_contents): Add '@' marker after processing the
517         merge reloc.
518
519 2010-03-08  Doug Kwan  <dougkwan@google.com>
520
521         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
522         due to a conversion warning.
523         (Arm_relobj::update_output_local_symbol_count): Check for local
524         symbol with unset output index.
525
526 2010-03-05  Ian Lance Taylor  <iant@google.com>
527
528         * options.h (class General_options): Add --spare-dynamic-tags.
529         * output.cc (Output_data_dynamic::set_final_data_size): Implement
530         --spare-dynamic-tags.
531
532 2010-03-05  Ian Lance Taylor  <iant@google.com>
533
534         * incremental.cc: Include "libiberty.h".
535
536 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
537
538         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
539         function, is_info_ member.
540         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
541         (Versions::Versions): Update caller.
542         (Versions::define_base_version): Likewise.
543         (Versions::add_def): Likewise.
544
545 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
546
547         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
548         (Scan::possible_function_pointer_reloc): New function.
549         (Scan::local_reloc_may_be_function_pointer): Change to call
550         possible_function_pointer_reloc.
551         (Scan::global_reloc_may_be_function_pointer): Ditto.
552         * icf.h (Icf::check_section_for_function_pointers): Change to reject
553         relocations in ".data.rel.ro._ZTV" section.
554         * testsuite/icf_safe_so_test.sh: Change to pass i386.
555         * testsuite/icf_safe_so_test.cc: Ditto.
556         * testsuite/icf_safe_test.cc: Ditto.
557         * testsuite/icf_safe_test.sh: Ditto.
558
559 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
560             Ian Lance Taylor  <iant@google.com>
561
562         * target-reloc.h (relocate_section): Check the symbol table index
563         for -1U before setting the local symbol index.
564         (scan_relocatable_relocs): If copying the relocation, record that
565         the local symbol is required.
566         * object.h (Symbol_value::is_output_symtab_index_set): New
567         function.
568         (Symbol_value::may_be_discarded_from_output_symtab): New
569         function.
570         (Symbol_value::has_output_symtab_entry): New function.
571         (Symbol_value::needs_output_symtab_entry): Remove.
572         (Symbol_value::output_symtab_index): Make sure the symbol index is
573         set.
574         (Symbol_value::set_output_symtab_index): Make sure the symbol
575         index is not set.  Make sure the new index is valid.
576         (Symbol_value::set_must_have_output_symtab_entry): New function.
577         (Symbol_value::has_output_dynsym_entry): New function.
578         (Symbol_value::set_output_dynsym_index): Make sure the new index
579         is valid.
580         (Sized_relobj::set_must_have_output_symtab_entry): New function.
581         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
582         local symbol if permitted.
583         (Sized_relobj::do_finalize_local_symbols): Call
584         is_output_symtab_index_set rather than needs_output_symtab_entry.
585         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
586         rather than needs_output_symtab_entry.  Call
587         has_output_dynsym_entry rather than needs_output_dynsym_entry.
588         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
589         is_output_symtab_index_set rather than needs_output_symtab_entry.
590         * testsuite/discard_locals_relocatable_test.c: New file.
591         * testsuite/discard_locals_test.sh: Test -r.
592         * testsuite/Makefile.am (check_DATA): Add
593         discard_locals_relocatable_test1.syms,
594         discard_local_relocatable_test2.syms.
595         (MOSTLYCLEANFILES): Likewise.  Also add
596         discard_locals_relocatable_test1.lout and
597         discard_locals_relocatable_test2.out.
598         (discard_locals_relocatable_test1.syms): New target.
599         (discard_locals_relocatable_test.o): New target.
600         (discard_locals_relocatable_test1.out): New target.
601         (discard_locals_relocatable_test2.syms): New target.
602         (discard_locals_relocatable_test2.out): New target.
603         (various): Add missing ../ld-new dependencies.
604         * testsuite/Makefile.in: Rebuild.
605
606 2010-03-03  Nick Clifton  <nickc@redhat.com>
607
608         * po/fi.po: New Finnish translation.
609
610 2010-03-01  Doug Kwan  <dougkwan@google.com>
611
612         * layout.cc (Layout::Layout): Force section types of .init_array*,
613         .preinit_array* and .fini_array* sections.
614         * output.cc (Output_section::Input_section_sort_entry::has_priority):
615         Fix check of return value of std::string::find.().
616         (Output_section::Input_section_sort_compare::operator()): Remove
617         comment about .init_array.
618         (Output_section::Input_section_sort_init_fini_compare::operator()):
619         New method.
620         (Output_section::sort_attached_input_sections): Handle .init_array
621         and .fini_array specially.
622         * output.h (Output_section::Inut_section_sort_compare): Update
623         comment.
624         (Output_section::Input_section_sort_init_fini_compare): New struct.
625
626 2010-02-26  Doug Kwan  <dougkwan@google.com>
627
628         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
629         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
630         * testsuite/debug_msg.sh: Avoid matching source line number for
631         use of global variable undef_int.
632
633 2010-02-26  Doug Kwan  <dougkwan@google.com>
634
635         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
636         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
637         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
638         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
639         * options.cc (General_options::General_options): Initialize member
640         fix_v4bx_.
641         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
642         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
643         and rm_no_fix_v4bx.stdout
644         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
645         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
646         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
647         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
648         and arm_no_fix_v4bx.
649         * Makefile.in: Regenerate.
650         * testsuite/arm_fix_v4bx.s: New file.
651         * testsuite/arm_fix_v4bx.sh: Ditto.
652
653 2010-02-24  Doug Kwan  <dougkwan@google.com>
654
655         * arm.cc (Target_arm::got_section): Make the .got section the first
656         non RELRO section in the data segment.
657         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
658         suffixes of section names.
659
660 2010-02-24  Doug Kwan  <dougkwan@google.com>
661
662         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
663         flags and attributes merging if an input file is a binary file.
664         * fileread.cc (Input_file::open): Record format of original file.
665         * fileread.h (Input_file::Format): New enum type.
666         (Input_file::Input_file): Initialize data member format_.
667         (Input_file::format): New method definition.
668         (Input_file::format_):: New data member.
669
670 2010-02-24  Doug Kwan  <dougkwan@google.com>
671
672         * arm.cc (Arm_output_data_got): New class.
673         (ARM_TCB_SIZE): New constant
674         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
675         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
676         If user uses a script with a SECTIONS clause, issue only a warning
677         for a misplaced EXIDX input section.  Otherwise, issue an error.
678         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
679         garbage collection.
680         (Target_arm::got_mode_index_entry): Handle static linking.
681         (Target_arm::Scan::local): Ditto.
682         (Target_arm::Scan::global): Ditto.
683         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
684         all incorrectly implemented relocations.
685         (Target_arm::fix_exidx_coverage): Pass layout to 
686         Arm_output_section::fix_exidx_coverage.
687         * layout.cc (Layout::section_name_mapping): Remove trailing dots
688         from ".ARM.exidx." and ".ARM.extab.".
689
690 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
691
692         * arm.cc (Target_arm::do_finalize_sections): Create attribute
693         section if it does not already exist.
694         * attributes.cc (Attributes_section_data::Attributes_section_data):
695         Don't crash if size is zero.
696
697 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
698             Ian Lance Taylor  <iant@google.com>
699
700         * gold.cc (queue_middle_tasks): If no input files were opened,
701         exit.
702         * workqueue.h (Task_function::Task_function): Assert that there is
703         a blocker.
704
705 2010-02-22  Doug Kwan  <dougkwan@google.com>
706
707         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
708         * icf.cc (get_section_contents): Cast snprintf arguments to long long
709         types to avoid warnings due to different uint64_t implementations
710         on different hosts.
711
712 2010-02-21  Doug Kwan  <dougkwan@google.com>
713
714         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
715         handling of the maximum backward branch offset.
716         (Arm_relocate_functions::thumb_branch_common): Ditto.
717         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
718         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
719         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
720         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
721         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
722         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
723         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
724         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
725         thumb_bl_out_of_range thumb_bl_out_of_range.o,
726         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
727         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
728         thumb2_bl_out_of_range.o): New rules.
729         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
730         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
731         thumb2_bl_out_of_range
732         * testsuite/Makefile.in: Regenerate.
733         * testsuite/arm_bl_in_range.s: New file.
734         * testsuite/arm_bl_out_of_range.s: Ditto.
735         * testsuite/arm_branch_in_range.sh: Ditto.
736         * testsuite/arm_branch_range.t: Ditto.
737         * testsuite/thumb2_branch_range.t: Ditto.
738         * testsuite/thumb_bl_in_range.s: Ditto.
739         * testsuite/thumb_bl_out_of_range.s: Ditto.
740         * testsuite/thumb_branch_range.t: Ditto.
741
742 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
743
744         * gc.h (gc_process_relocs): Change vectors to point to the new list.
745         Add reloc offset information.
746         * icf.cc (get_section_contents): Change iterators to point to the new
747         vectors. Add reloc offset information to the contents.
748         * icf.h (Icf::Sections_reachable_info): New typedef.
749         (Icf::Sections_reachable_list): New typedef.
750         (Icf::Offset_info): New typedef.
751         (Icf::Reloc_info): New struct typedef.
752         (Icf::Reloc_info_list): New typedef.
753         (Icf::symbol_reloc_list): Delete method.
754         (Icf::addend_reloc_list): Delete method.
755         (Icf::section_reloc_list): Delete method.
756         (Icf::reloc_info_list): New method.
757         (Icf::reloc_info_list_): New member.
758
759 2010-02-19  Doug Kwan  <dougkwan@google.com>
760
761         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
762         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
763         * arm.cc (Arm_relocation_functions): New forward declaration.
764         (Target_arm::Target_arm): Initialize new data members
765         got_mod_index_offset_ and tls_base_symbol_defined_.
766         (Target_arm::Relocate::relocate_tls): New method.
767         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
768          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
769         New methods.
770         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
771         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
772         (Target_arm::got_mod_index_offset_,
773         Target_arm::tls_base_symbol_defined_): New data members.
774         (Target_arm::Scan::local, Target::Scan::global,
775         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
776         relocations.
777
778 2010-02-18  Doug Kwan  <dougkwan@google.com>
779
780         * arm.cc (Arm_relobj::find_linked_text_section): New method.
781         (Arm_relobj::make_exidx_input_section): Pass section index of linked
782         text section as a parameter becuase some broken tools may not set
783         the link in section header.
784         (Target_arm::has_got_section): New method.
785         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
786         without any mapping symbol as data only.  Remove warning.
787         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
788         link in its section header, try to discover the link by inspecting the
789         REL31 relocation at the beginning of the section.
790         (Target_arm::Scan::check_non_pic): Report name of offending relocation
791         in error message.
792         (Target_arm::Scan::global): Treat any reference to the symbol
793         _GLOBAL_OFFSET_TABLE_ as a GOT access.
794
795 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
796
797         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
798         (Scan::global_reloc_may_be_function_pointer): New function.
799         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
800         (Scan::global_reloc_may_be_function_pointer): New function.
801         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
802         (Scan::global_reloc_may_be_function_pointer): New function.
803         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
804         (Scan::global_reloc_may_be_function_pointer): New function.
805         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
806         (Scan::global_reloc_may_be_function_pointer): New function.
807         (Scan::possible_function_pointer_reloc): New function.
808         (Target_x86_64::can_check_for_function_pointers): New function.
809         * gc.h (gc_process_relocs): Scan relocation types to determine if
810         function pointers were taken for targets that support it.
811         * icf.cc (Icf::find_identical_sections): Include functions for
812         folding in safe ICF whose pointer is not taken.
813         * icf.h (Secn_fptr_taken_set): New typedef.
814         (fptr_section_id_): New member.
815         (section_has_function_pointers): New function.
816         (set_section_has_function_pointers): New function.
817         (check_section_for_function_pointers): New function.
818         * options.h: Fix comment for safe ICF option.
819         * target.h (can_check_for_function_pointers): New function.
820         * testsuite/Makefile.am: Add icf_safe_so_test test case.
821         Modify icf_safe_test for X86-64.
822         * testsuite/Makefile.in: Regenerate.
823         * testsuite/icf_safe_so_test.cc: New file.
824         * testsuite/icf_safe_so_test.sh: New file.
825         * testsuite/icf_safe_test.cc (kept_func_3): New function.
826         (main): Change to take pointer to function kept_func_3.
827         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
828         folding is done correctly for X86-64.
829
830 2010-02-12  David S. Miller  <davem@davemloft.net>
831
832         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
833         is_symbolless parameter.
834         (Output_reloc<SHT_REL>::is_symbolless): New.
835         (Output_reloc<SHT_REL>::is_symbolless_): New.
836         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
837         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
838         (Output_reloc<SHT_RELA>::is_symbolless): New.
839         (Output_data_reloc::add_global): Handle is_symbolless.
840         (Output_data_reloc::add_global_relative): Likewise.
841         (Output_data_reloc::add_local): Likewise.
842         (Output_data_reloc::add_local_relative): Likewise.
843         (Output_data_reloc::add_symbolless_global_addend): New.
844         (Output_data_reloc::add_symbolless_local_addend): New.
845         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
846         is_symbolless.
847         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
848         instead of ->is_relative_
849         (Output_reloc::write): Likewise.
850         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
851         (Output_reloc::write_rel): Simplify.
852
853         * sparc.cc (Target_sparc::Scan::local): Use
854         ->add_symbolless_local_addend as needed.
855         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
856         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
857         based upon relocation offset.
858
859 2010-02-11  Doug Kwan  <dougkwan@google.com>
860
861         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
862         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
863         beginning of function.
864         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
865         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
866         parameter is_32bit in calls to should_apply_static_reloc.
867         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
868         (check_DATA): Add arm_abs_global.stdout.
869         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
870         arm_abs_global.stdout): New rules.
871         (MOSTLLYCLEANFILES): Add arm_abs_global
872         * Makefile.in: Regenerate.
873         * testsuite/arm_abs_global.s: New file.
874         * testsuite/arm_abs_global.sh: Ditto.
875         * testsuite/arm_abs_lib.s: Ditto.
876
877 2010-02-11  Ian Lance Taylor  <iant@google.com>
878
879         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
880         Read_relocs task.
881         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
882         Allocate_commons_task first.
883         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
884         task, rather than symtab_lock_.
885         (Gc_process_relocs::~Gc_process_relocs): New function.
886         (Gc_process_relocs::is_runnable): Check this_blocker_.
887         (Gc_process_relocs::locks): Use next_blocker_ rather than
888         blocker_.
889         (Scan_relocs::~Scan_relocs): New function.
890         (Scan_relocs::is_runnable): Check this_blocker_ rather than
891         symtab_lock_.
892         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
893         next_blocker_.
894         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
895         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
896         constructor accordingly.
897         (class Gc_process_relocs): Likewise.
898         (class Scan_relocs): Likewise.
899         * common.h (class Allocate_commons_task): Remove symtab_lock_
900         field, and corresponding constructor parameter.
901         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
902         symtab_lock_.
903         (Allocate_commons_task::locks): Likewise.
904
905 2010-02-11  Ian Lance Taylor  <iant@google.com>
906
907         * gold-threads.h (class Once): Define.
908         (class Initialize_lock): Rewrite as child of Once.
909         * gold-threads.cc (class Once_initialize): Define.
910         (once_pointer_control): New static variable.
911         (once_pointer, once_arg): New static variables.
912         (c_run_once): New static function.
913         (Once::Once, Once::run_once, Once::internal_run): New functions.
914         (class Initialize_lock_once): Remove.
915         (initialize_lock_control): Remove.
916         (initialize_lock_pointer): Remove.
917         (initialize_lock_once): Remove.
918         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
919         (Initialize_lock::initialize): Rewrite.
920         (Initialize_lock::do_run_once): New function.
921         * archive.cc (Archive::interpret_header): Only clear name if it is
922         not already empty.
923         * fileread.cc: Include "gold-threads.h"
924         (file_counts_lock): New static variable.
925         (file_counts_initialize_lock): Likewise.
926         (File_read::release): Only increment counts when using --stats.
927         Use a lock around the increment.
928         * parameters.cc (class Set_parameters_target_once): Define.
929         (set_parameters_target_once): New static variable.
930         (Parameters::Parameters): Move here from parameters.h.
931         (Parameters::set_target): Rewrite.
932         (Parameters::set_target_once): New function.
933         (Parameters::clear_target): Move here and rewrite.
934         * parameters.h (class Parameters): Update declarations.  Add
935         set_parameters_target_once_ field.
936         (Parameters::Parameters): Move to parameters.cc.
937         (Parameters::clear_target): Likewise.
938         * readsyms.cc (Read_symbols::do_group): Create a Start_group
939         task.
940         (Start_group::~Start_group): New function.
941         (Start_group::is_runnable): New function.
942         (Start_group::locks, Start_group::run): New functions.
943         (Finish_group::run): Change saw_undefined to size_t.
944         * readsyms.h (class Start_group): Define.
945         (class Finish_group): Change saw_undefined_ field to size_t.
946         (Finish_group::Finish_group): Remove saw_undefined and
947         this_blocker parameters.  Change all callers.
948         (Finish_group::set_saw_undefined): New function.
949         (Finish_group::set_blocker): New function.
950         * symtab.h (class Symbol_table): Change saw_undefined to return
951         size_t.  Change saw_undefined_ field to size_t.
952         * target-select.cc (Set_target_once::do_run_once): New function.
953         (Target_selector::Target_selector): Initialize set_target_once_
954         field.  Don't initialize lock_ and initialize_lock_ fields.
955         (Target_selector::instantiate_target): Rewrite.
956         (Target_selector::set_target): New function.
957         * target-select.h (class Set_target_once): Define.
958         (class Target_selector): Update declarations.  Make
959         Set_target_once a friend.  Remove lock_ and initialize_lock_
960         fields.  Add set_target_once_ field.
961
962 2010-02-10  Ian Lance Taylor  <iant@google.com>
963
964         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
965         queueing any tasks.
966         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
967         (queue_middle_tasks): Add all blockers before queueing any tasks.
968         (queue_final_tasks): Likewise.
969         * token.h (Task_token::add_blockers): New function.
970         * object.h (Input_objects::number_of_relobjs): New function.
971
972 2010-02-10  Ian Lance Taylor  <iant@google.com>
973
974         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
975         shared, not if not position independent.
976         * x86_64.cc (Relocate::relocate_tls): Likewise.
977         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
978         (tls_pie_pic_test): New target.
979         * testsuite/Makefile.in: Rebuild.
980
981         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
982         (tls_test_main_pie.o, tls_test_pie.o): New targets.
983         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
984         * testsuite/Makefile.in: Rebuild.
985
986 2010-02-09  David S. Miller  <davem@davemloft.net>
987
988         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
989         R_SPARC_RELATIVE using ->add_local_relative().
990         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
991
992         * output.h (Output_data_dynamic::add_section_size): New method
993         that takes two Output_data objects.
994         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
995         entry param.  Handle it in initializers.
996         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
997         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
998         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
999         arg.
1000         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1001         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1002         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1003         for dynrel_includes_plt.
1004         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1005         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1006         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1007         before .rela.plt
1008         (Target_sparc::do_finalize_sections): Update to pass true for
1009         dynrel_includes_plt.
1010         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1011         output before .rela.plt
1012         (Target_powerpc::do_finalize_sections): Update to pass true for
1013         dynrel_includes_plt when 32-bit.
1014
1015 2010-02-08  Doug Kwan  <dougkwan@google.com>
1016
1017         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1018         method.
1019         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1020         Arm_relobj::scan_section_for_cortex_a8_stubs,
1021         Arm_relobj::do_relocation_section): Instead of calling
1022         Output_section::output_address, use faster
1023         Arm_relobj::simple_input_section_output_address.
1024
1025 2010-02-08  David S. Miller  <davem@davemloft.net>
1026
1027         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1028         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1029         relocation helper function.
1030
1031         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1032         just like R_SPARC_GOT{10,13,22}.
1033         (Target_sparc::Scan::local): Likewise.
1034         (Target_sparc::Relocate:relocate): Likewise.
1035
1036 2010-02-06  Ian Lance Taylor  <iant@google.com>
1037
1038         * configure.ac: Rewrite targetobjs duplicate removal code to use
1039         only shell constructs.
1040         * configure: Rebuild.
1041
1042 2010-02-05  Doug Kwan  <dougkwan@google.com>
1043
1044         PR 11247
1045         * arm.cc (Arm_relobj::section_is_scannable): New method.
1046         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1047         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1048
1049 2010-02-04  Doug Kwan  <dougkwan@google.com>
1050
1051         PR 11247
1052         * arm-reloc-property.cc (cstdio): Include.
1053         * configure.ac (targetobjs): Remove duplicates.
1054         * configure: Regenerate.
1055         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1056         big and little endian version for a given address size.
1057
1058 2010-02-03  Doug Kwan  <dougkwan@google.com>
1059
1060         * arm-reloc-property.cc
1061         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1062         definition.
1063         * arm-reloc-property.h
1064         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1065         New method definition.
1066         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1067         declaration.
1068         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1069         overflow to N.
1070         (GOT_PREL): Change implemented to Y.
1071         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1072         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1073         (Arm_relocate_functions::movw_abs_nc): Remove method.
1074         (Arm_relocate_functions::movt_abs): Ditto.
1075         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1076         (Arm_relocate_functions::thm_movt_abs): Ditto.
1077         (Arm_relocate_functions::movw_rel_nc): Ditto.
1078         (Arm_relocate_functions::movw_rel): Ditto.
1079         (Arm_relocate_functions::movt_rel): Ditto.
1080         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1081         (Arm_relocate_functions:thm_movw_rel): Ditto.
1082         (Arm_relocate_functions:thm_movt_rel): Ditto.
1083         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1084         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1085         New method definitions.
1086         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1087         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1088         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1089         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1090         (Target_arm::Relocate::relocate): Check for non-static or
1091         unimplemented relocation code and exit early.  Change calls to
1092         Target_arm::reloc_uses_thumb_bit and
1093         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1094         instead.  Refactor code to handle similar relocations to increase
1095         code sharing.  Remove check for unsupported relocation code in switch
1096         statement.
1097         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1098         relocation property table to find out size.  Change error message to
1099         print out the name of a relocation code instead of the numeric value.
1100         (Target_arm::scan_reloc_for_stub): Use relocation property table
1101         instead of calling Target_arm::reloc_uses_thumb_bit().
1102
1103 2010-02-02  Doug Kwan  <dougkwan@google.com>
1104
1105         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1106         types of relaxed input section.
1107
1108 2010-02-02  Doug Kwan  <dougkwan@google.com>
1109
1110         * Makefile.am (HFILES): Add arm-reloc-property.h.
1111         (DEFFILES): New.
1112         (TARGETSOURCES): Add arm-reloc-property.cc
1113         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1114         (libgold_a_SOURCES): $(DEFFILES)
1115         * Makefile.in: Regenerate.
1116         * arm-reloc-property.cc: New file.
1117         * arm-reloc-property.h: New file.
1118         * arm-reloc.def: New file.
1119         * arm.cc: Update comments.
1120         (arm-reloc-property.h): New included header.
1121         (arm_reloc_property_table): New global variable.
1122         (Target_arm::do_select_as_default_target): New method definition.
1123         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1124         arm-reloc-property to targ_extra_obj.
1125         * parameters.cc (set_parameters_target): Call
1126         Target::select_as_default_target().
1127         * target.h (Target::select_as_default_target): New method definition.
1128         (Target::do_select_as_default_target): Same.
1129
1130 2010-02-01  Doug Kwan  <dougkwan@google.com>
1131
1132         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1133         first_output_text_section_.
1134         (Arm_exidx_fixup::first_output_text_section): New method definition.
1135         (Arm_exidx_fixup::first_output_text_section_): New data member.
1136         (Arm_exidx_fixup::process_exidx_section): Record the first text
1137         output section seen.
1138         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1139         and entsize in output section header.
1140
1141 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1142
1143         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1144         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1145         (Arm_relocate_functions::thm_alu11): New Method.
1146         (Arm_relocate_functions::thm_pc8): New Method.
1147         (Arm_relocate_functions::thm_pc12): New Method.
1148         (Target_arm::Scan::local): Handle the relocations.
1149         (Target_arm::Scan::global): Likewise.
1150         (Target_arm::Relocate::relocate): Likewise.
1151         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1152
1153 2010-01-29  Doug Kwan  <dougkwan@google.com>
1154
1155         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1156         of relocation types as ld.
1157
1158 2010-01-29  Doug Kwan  <dougkwan@google.com>
1159
1160         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1161         to public.
1162         (Arm_relocate_functions::thumb_branch_common): Ditto.
1163         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1164         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1165         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1166         Arm_relocate_functions::jump24): Remove.
1167         (Target_arm::Relocate::relocate): Adjust code to call
1168         Arm_relocation_functions::arm_branch_common and
1169         Arm_relocation_functions::thumb_branch_common instead of their removed
1170         wrappers.  Merge switch-cases together to reduce source code size.  
1171
1172 2010-01-29  Doug Kwan  <dougkwan@google.com>
1173
1174         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1175         output_local_symbol_count_needs_update_.
1176         (Arm_relobj::output_local_symbol_count_needs_update,
1177          Arm_relobj::set_output_local_symbol_count_needs_update,
1178          Arm_relobj::update_output_local_symbol_count): New methods.
1179         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1180         member.
1181         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1182         of pointed function as in a R_ARM_PREL31 relocation.
1183         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1184         for output local symbol count updating.
1185         (Target_arm::do_relax): Update output local symbol counts in objects
1186         if necessary.
1187         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1188
1189 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1190
1191         * arm.cc: Added support for the ARM relocations:
1192         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1193         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1194         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1195         movw_prel_nc).
1196         (Arm_relocate_functions::movw_rel): New method.
1197         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1198         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1199         thm_movw_prel_nc).
1200         (Arm_relocate_functions::thm_movw_rel): New method.
1201         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1202         thm_movt_prel).
1203         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1204         relocations.
1205         (Target_arm::Scan::global): Likewise.
1206         (Target_arm::Relocate::relocate): Likewise.
1207         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1208         Likewise.
1209
1210 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1211
1212         * arm.cc: Added support for ARM group relocations.
1213         (Target_arm::reloc_needs_sym_origin): New method.
1214         (Arm_relocate_functions::calc_grp_kn): New method.
1215         (Arm_relocate_functions::calc_grp_residual): New method.
1216         (Arm_relocate_functions::calc_grp_gn): New method.
1217         (Arm_relocate_functions::arm_grp_alu): New Method.
1218         (Arm_relocate_functions::arm_grp_ldr): New Method.
1219         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1220         (Arm_relocate_functions::arm_grp_ldc): New Method.
1221         (Target_arm::Scan::local): Handle the ARM group relocations.
1222         (Target_arm::Scan::global): Likewise.
1223         (Target_arm::Relocate::relocate): Likewise.
1224         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1225         Likewise.
1226
1227 2010-01-26  Doug Kwan  <dougkwan@google.com>
1228
1229         * arm.cc (set): Include.
1230         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1231         pointer type.
1232         (Arm_output_section::Text_section_list): New type.
1233         (Arm_output_section::append_text_sections_to_list): New method.
1234         (Arm_output_section::fix_exidx_coverage): Ditto.
1235         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1236         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1237         Relobj::set_section_offset() instead of
1238         Sized_relobj::invalidate_section_offset().
1239         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1240         parameter for section headers. Ignore relocation sections for
1241         unallocated sections and EXIDX sections.
1242         (Target_arm::fix_exidx_coverage): New method.
1243         (Target_arm::output_section_address_less_than): New type.
1244         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1245         linked text section instead of the EXIDX section.
1246         (Arm_output_section::create_stub_group): Add an assertion to check
1247         that this is not an EXIDX output section.
1248         (Arm_output_section::append_text_sections_to_list): New method.
1249         (Arm_output_section::fix_exidx_coverage): Ditto.
1250         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1251         Arm_relobj::section_needs_reloc_stub_scanning.
1252         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1253         first pass.
1254         (Target_arm::fix_exidx_coverage): New method.
1255         * object.h (Relobj::set_output_section): New method.
1256         (Sized_relobj::invalidate_section_offset): Remove method.
1257         (Sized_relobj::do_invalidate_section_offset): Remove method.
1258         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1259
1260 2010-01-25  Doug Kwan  <dougkwan@google.com>
1261
1262         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1263         Fix warning due to signed and unsigned comparison on a 32-bit host.
1264
1265 2010-01-22  Doug Kwan  <dougkwan@google.com>
1266
1267         * arm.cc (Target_arm::do_relax): Record an output section for section
1268         offset adjustment it contains any stub table that has changed.
1269         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1270         offsets in an output section if necessary.
1271         * output.cc (Output_section::Output_section): Initialize
1272         section_offsets_need_adjustments_.
1273         (Output_section::add_input_section_for_script): Renamed to
1274         Output_section::add_simple_input_section.
1275         (Output_section::save_states): Add a comment.
1276         (Output_section::discard_states): New method defintion.
1277         (Output_section::adjust_section_offsets): Same.
1278         * output.h (Output_section::add_input_section_for_script): Renamed to
1279         Output_section::add_simple_input_section.
1280         (Output_section::discard_states): New method declaration.
1281         (Output_section::adjust_section_offsets): Same.
1282         (Output_section::section_offsets_need_adjustment,
1283         Output_section::set_section_offsets_need_adjustment): New method
1284         definitions.
1285         (Output_section::section_offsets_need_adjustment_): New data member.
1286         * script-sections.cc
1287         (Output_section_element_input::set_section_address): Adjust code for
1288         renaming of Output_section::add_input_section_for_script.
1289         (Orphan_output_section::set_section_address): Same.
1290
1291 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1292
1293         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1294         Fix_v4bx enum values .
1295         * gold/options.h (General_options): New option definitions.
1296         (General_options::fix_v4bx): New method.
1297         (General_options::Fix_v4bx): New enum.
1298         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1299         (General_options::parse_fix_v4bx_interworking): New method.
1300
1301 2010-01-22  Doug Kwan  <dougkwan@google.com>
1302
1303         * arm.cc (Arm_exidx_fixup): New class.
1304
1305 2010-01-21  Doug Kwan  <dougkwan@google.com>
1306
1307         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1308         classes.
1309         (Arm_exidx_section_offset_map): New type.
1310
1311 2010-01-21  Doug Kwan  <dougkwan@google.com>
1312
1313         * arm.cc (Arm_exidx_input_section): New class.
1314         (Arm_relobj::exidx_input_section_by_link,
1315         Arm_relobj::exidx_input_section_by_shndx,
1316         Arm_relobj::make_exidx_input_section): New methods.
1317         (read_arm_attributes_section): Remove.
1318         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1319         information about them.
1320         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1321         to here.
1322
1323 2010-01-20  Doug Kwan  <dougkwan@google.com>
1324
1325         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1326         Input_section_specifier to Section_id.
1327         (Target_arm::new_arm_input_section: Adjust code for change of key
1328         type.
1329         (Target_arm::find_arm_input_section): Ditto.
1330         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1331         (Section_id): Remove.
1332         (Garbage_collection::Section_id_hash): Remove.
1333         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1334         (Section_id): Remove.
1335         (Icf::Section_id_hash): Remove.
1336         * object.h (Section_id, Const_section_id, Section_id_hash,
1337         Const_section_id_hash): New type definitions.
1338         * output.cc (Output_section::add_relaxed_input_section): Change to
1339         use Const_section_id instead of Input_section_specifier as key type.
1340         (Output_section::add_merge_input_section): Ditto.
1341         (Output_section::build_relaxation_map): Change to use Section_id
1342         instead of Input_section_specifier as key type.
1343         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1344         Ditto.
1345         (Output_section::convert_input_sections_to_relaxed_sections): Change
1346         to use Const_section_id instead of Input_section_specifier as key type.
1347         (Output_section::find_merge_section): Ditto.
1348         (Output_section::find_relaxed_input_section): Ditto.
1349         * output.h (Input_section_specifier): Remove class.
1350         (Output_section::Output_section_data_by_input_section_map): Change
1351         key type to Const_section_id.
1352         (Output_section::Output_relaxed_input_section_by_input_section_map):
1353         Ditto.
1354         (Output_section::Relaxation_map): Change key type to Section_id.
1355
1356 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1357
1358         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1359         (class Arm_v4bx_stub): New class.
1360         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1361         (Stub_factory::make_arm_v4bx_stub): New method.
1362         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1363         (Stub_table::empty): Handle v4bx stubs.
1364         (Stub_table::add_arm_v4bx_stub): New method.
1365         (Stub_table::find_arm_v4bx_stub): New method.
1366         (Arm_relocate_functions::v4bx): New method.
1367         (Target_arm::fix_v4bx): New method.
1368         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1369         (Stub_table::relocate_stubs): Likewise.
1370         (Stub_table::do_write): Likewise.
1371         (Stub_table::update_data_size_and_addralign): Likewise.
1372         (Stub_table::finalize_stubs):  Likewise.
1373         (Target_arm::Scan::local): Likewise.
1374         (Target_arm::Scan::global): Likewise.
1375         (Target_arm::do_finalize_sections): Likewise.
1376         (Target_arm::Relocate::relocate): Likewise.
1377         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1378         Likewise.
1379         (Target_arm::scan_reloc_for_stub): Likewise.
1380         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1381
1382 2010-01-19  Ian Lance Taylor  <iant@google.com>
1383
1384         * output.cc (Output_section_headers::do_sized_write): Write large
1385         segment count to sh_info field.
1386         (Output_file_header::do_sized_write): For large segment count,
1387         write PN_XNUM to e_phnum field.
1388
1389 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1390
1391         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1392         (Arm_relocate_functions::thm_jump8): New function.
1393         (Arm_relocate_functions::thm_jump11): New function.
1394         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1395         R_ARM_THM_JUMP11.
1396         (Target_arm::Scan::global): Likewise.
1397         (Target_arm::Relocate::relocate): Likewise.
1398         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1399         Likewise.
1400
1401 2010-01-14  Doug Kwan  <dougkwan@google.com>
1402
1403         * arm.cc (map, utility): Include headers.
1404         (Target_arm::apply_cortex_a8_workaround): New method.
1405         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1406         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1407         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1408         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1409         the --[no-]fix-cortex-a8 command line options.
1410         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1411         (Target_arm::relocate_stub): Use addend in instruction template.
1412         * options.h (DEFINE_bool): Set the user-set flag.
1413         (General_options): Add --[no-]-fix-cortex options.
1414         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1415         : Update fast look-up map after conversion. 
1416
1417 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1418
1419         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1420         in the first pass of do_layout.
1421
1422 2010-01-13  Doug Kwan  <dougkwan@google.com>
1423
1424         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1425         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1426         apparent compiler problem of not folding static constant integral
1427         data members of elfcpp::Elf_sizes<32>.
1428
1429 2010-01-13  Doug Kwan  <dougkwan@google.com>
1430
1431         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1432         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1433         Arm_relobj::scan_section_for_cortex_a8_erratum,
1434         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1435         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1436         sections to scan for relocation stubs into a new method
1437         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1438         relocation and Cortex-A8 stub scanning.
1439         (Target_arm::do_relax): Force stubs to be after stubbed sections
1440         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1441         the beginning of a new relaxation pass.  Update a comment. 
1442         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1443
1444 2010-01-12  Ian Lance Taylor  <iant@google.com>
1445
1446         * target-reloc.h (visibility_error): New inline function.
1447         (relocate_section): Call visibility_error.
1448         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1449         (MOSTLYCLEANFILES): Likewise.
1450         (protected_4_pic.o, protected_3.err): New targets.
1451         * testsuite/protected_4.cc: New file.
1452
1453 2010-01-12  Doug Kwan  <dougkwan@google.com>
1454
1455         * arm.cc (Cortex_a8_reloc): New class.
1456         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1457         and cortex_a8_relocs_info_.
1458         (Target_arm::fix_cortex_a8): New method definition.
1459         (Target_arm::Cortex_a8_relocs_info): New type.
1460         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1461         New data member declarations.
1462         (Target_arm::scan_reloc_for_stub): Record information about
1463         relocations for THUMB branches that might be exempted from the
1464         Cortex-A8 workaround.
1465         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1466         at the beginning of a relaxation pass.
1467
1468 2010-01-12  Doug Kwan  <dougkwan@google.com>
1469
1470         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1471         (Arm_relobj::Mapping_symbol_position,
1472          Arm_reloj::Mapping_symbol_position_less,
1473          Arm_relobj::Mapping_symbols_info): New types.
1474         (Target_arm::is_mapping_symbol_name): New method definition.
1475         (Arm_relobj::do_count_local_symbols): Save information about mapping
1476         symbols.
1477
1478 2010-01-11  Doug Kwan  <dougkwan@google.com>
1479
1480         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1481         Arm_relocate_functions::thumb32_branch_upper,
1482         Arm_relocate_functions::thumb32_branch_lower,
1483         Arm_relocate_functions::thumb32_cond_branch_offset,
1484         Arm_relocate_functions::thumb32_cond_branch_upper,
1485         Arm_relocate_functions::thumb32_cond_branch_lower,
1486         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1487         branch offset encoding.
1488         (Arm_relocate_functions::thumb_branch_common): Use new branch
1489         offset encoding methods to avoid code duplication.
1490         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1491         (Stub_addend_reader::operator()): Use new branch encoding method
1492         to avoid code duplication.
1493
1494 2010-01-11  Doug Kwan  <dougkwan@google.com>
1495
1496         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1497         (Target_arm::do_finalize_sections): Define special EXIDX section
1498         symbols only if referenced.
1499         * gc.h (Garbage_collection::add_reference): New method.
1500         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1501         code duplication.
1502
1503 2010-01-11  Ian Lance Taylor  <iant@google.com>
1504
1505         * script.cc (Version_script_info::build_expression_list_lookup):
1506         Change complaing about duplicate wildcard match from error to
1507         warning.
1508
1509         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1510         of 2009-12-30.
1511         (Version_script_info::Version_script_info): Initialize globs_,
1512         default_version_, default_is_global_, and exact_.  Don't
1513         initialize globals_ or locals_.
1514         (Version_script_info::build_lookup_tables): Build local symbols
1515         first.
1516         (Version_script_info::unquote): New function.
1517         (Version_script_info::add_exact_match): New function.
1518         (Version_script_info::build_expression_list_lookup): Remove lookup
1519         parameter.  Add is_global parameter.  Change all callers.  Handle
1520         wildcard pattern specially.  Unquote pattern.  Call
1521         add_exact_match.
1522         (Version_script_info::get_name_to_match): New function.
1523         (Version_script_info::get_symbol_version): New function.
1524         (Version_script_info::get_symbol_version_helper): Remove.
1525         (Version_script_info::check_unmatched_names): Call unquote.
1526         * script.h (class Version_script_info): Change get_symbol_version
1527         to be non-inline and add is_global parameter; change all callers.
1528         Rewrite symbol_is_local.  Update declarations.  Define struct
1529         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1530         Remove globals_ and locals_ members.  Add exact_, globs_,
1531         default_version_, is_global_.
1532         (Version_script_info::Glob): Remove pattern, add expression and
1533         is_global.  Update constructor.  Change all callers.
1534         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1535         default version.
1536         (Versions::symbol_section_contents): If a symbol is undefined, or
1537         defined in a dynamic object, set the version index to
1538         VER_NDX_LOCAL.
1539         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1540         symbol_is_local.
1541         (Symbol_table::add_from_pluginobj): Likewise.
1542         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1543
1544 2010-01-11  Doug Kwan  <dougkwan@google.com>
1545
1546         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1547         (incremental_dump_LDADD): Add linking option for libintl.
1548         * Makefile.in: Regenerate.
1549
1550 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1551
1552         PR gold/11144
1553         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1554         instead of -Ds.
1555         * testsuite/Makefile.in: Regenerated.
1556
1557 2010-01-10  Doug Kwan  <dougkwan@google.com>
1558
1559         * options.h (DEFINE_var): Use parentheses around argument varname__
1560         in macro body to avoid any unintended subsequent substitutions.
1561
1562 2010-01-10  Ian Lance Taylor  <iant@google.com>
1563
1564         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1565         candidates before doing symbol resolution.
1566
1567         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1568         ODR candidates if only one is weak.
1569
1570 2010-01-08  Ian Lance Taylor  <iant@google.com>
1571
1572         * script.cc (Version_script_info::build_expression_list_lookup):
1573         Don't warn about ambiguous version, just record the ambiguity.
1574         (Version_script_info::get_symbol_version_helper): Give error if
1575         version is ambiguous.
1576
1577 2010-01-08  Doug Kwan  <dougkwan@google.com>
1578
1579         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1580           prev_data_size_ and prev_addralign_.  Remove initializer for
1581           deleted data member has_been_changed_.
1582           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1583           to determine if the table is empty.
1584           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1585           Remove.
1586           (Stub_table::add_reloc_stub): Define method in class definition
1587           instead of just declaring it there.
1588           (Stub_table::add_cortex_a8_stub): New method definition.
1589           (Stub_table::update_data_size_and_addralign): Ditto.
1590           (Stub_table::finalize_stubs): Ditto.
1591           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1592           (Stub_table::do_addralign_): Return address alignment in the
1593           (Stub_table::do_reset_address_and_file_offset): Define method in
1594           class definition instead of declaring it there.  Set current data
1595           size to be the data size of the previous pass.
1596           (Stub_table::set_final_data_size): Use current data size as the
1597           final data size.
1598           (Stub_table::relocate_stub): Change parameter type of stub from
1599           Reloc_stub pointer to Stub pointer.
1600           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1601           (Stub_table::Cortex_a8_stub_list): New typedef.
1602           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1603            Stub_table::prev_addralign_): New data member.
1604           (Arm_relobj::Arm_relobj): Initialize data member
1605           section_has_cortex_a8_workaround_.
1606           (Arm_relobj::section_has_cortex_a8_workaround,
1607            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1608            definitions.
1609           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1610           declarations.
1611           (Target_arm::relocate_stub): Change parameter type of stub from
1612           Reloc_stub pointer to Stub pointer.
1613           (Insn_template::size, Insn_template::alignment): Handle
1614           THUMB16_SPECIAL_TYPE.
1615           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1616            Stub_table::update_data_size_and_addralign,
1617            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1618           definitions.
1619           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1620           (Stub_table::do_write): Ditto.
1621           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1622
1623 2010-01-08  Ian Lance Taylor  <iant@google.com>
1624
1625         PR 11108
1626         * symtab.h (class Symbol): Remove fields is_target_special_ and
1627         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1628         (Symbol::is_defined_in_discarded_section): New function.
1629         (Symbol::set_is_defined_in_discarded_section): New function.
1630         (Symbol::has_plt_offset): Rewrite.
1631         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1632         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1633         Don't initialize is_target_special_ or has_plt_offset_.
1634         Initialize is_defined_in_discarded_section_.
1635         (Symbol_table::add_from_relobj): If appropriate, set
1636         is_defined_in_discarded_section.
1637         * resolve.cc (Symbol::override_base_with_special): Don't test
1638         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1639         * target-reloc.h (relocate_section): Do special handling for
1640         symbols defined in discarded sections for global symbols as well
1641         as local symbols.
1642
1643 2010-01-08  Ian Lance Taylor  <iant@google.com>
1644
1645         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1646         the SHT_SYMTAB case.
1647
1648 2010-01-08  Ian Lance Taylor  <iant@google.com>
1649
1650         * object.cc (Sized_relobj::do_layout): Don't get confused if
1651         layout_eh_frame returns NULL.
1652
1653 2010-01-08  Ian Lance Taylor  <iant@google.com>
1654
1655         PR 11084
1656         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1657         dynamic symbol table, use the normal symbol table.
1658         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1659         symbol table.
1660
1661 2010-01-08  Ian Lance Taylor  <iant@google.com>
1662
1663         PR 11072
1664         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1665         sections.
1666
1667 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1668
1669         * version.cc (print_version): Change to "Copyright 2010".
1670
1671 2010-01-08  Ian Lance Taylor  <iant@google.com>
1672
1673         PR 10287
1674         PR 11063
1675         * i386.cc (class Target_i386): Change return type of plt_section
1676         to be non-const.
1677         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1678         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1679         tls_desc_rel_ field.
1680         (Output_data_plt_i386::rel_tls_desc): New function.
1681         (Target_i386::rel_tls_desc_section): New function.
1682         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1683         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1684         R_386_TLS_DESC reloc in rel_tls_desc_section.
1685         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1686         Define struct Tlsdesc_info.
1687         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1688         (Target_x86_64::do_reloc_symbol_index): New function.
1689         (Target_x86_64::add_tlsdesc_info): New function.
1690         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1691         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1692         tlsdesc_rel_ field.
1693         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1694         all callers.
1695         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1696         (Target_x86_64::rela_tlsdesc_section): New function.
1697         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1698         handling.
1699         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1700         (Target_x86_64::do_reloc_addend): New function.
1701         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1702         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1703         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1704         (Output_reloc::type): New function.
1705         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1706         (Output_reloc::is_target_specific): New function.
1707         (Output_reloc::target_arg): New function.
1708         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1709         absolute relocs and target specific relocs.
1710         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1711         add_target_specific.
1712         (class Output_data_reloc) [SHT_RELA]: Likewise.
1713         * output.cc (Output_reloc::Output_reloc): Add four new versions
1714         for absolute relocs and target specific relocs.
1715         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1716         (Output_reloc::get_symbol_index): Likewise.
1717         (Output_reloc::local_section_offset): Check that local_sym_index_
1718         is not TARGET_CODE or 0.
1719         (Output_reloc::symbol_value): Likewise.
1720         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1721         reloc.
1722         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1723         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1724         functions.
1725         * layout.cc (add_target_dynamic_tags): Use output section for
1726         DT_PLTRELSZ and DT_JMPREL.
1727
1728 2010-01-07  Ian Lance Taylor  <iant@google.com>
1729
1730         PR 11061
1731         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1732         function.
1733         (class Output_data_reloc_generic): Define.
1734         (class Output_data_reloc_base): Change base class to
1735         Output_data_reloc_generic.  Change add() method to call
1736         bump_relative_reloc_count for a relative reloc.  Remove
1737         sort_relocs_ field.
1738         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1739         to sort_relocs().
1740         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1741         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1742         appropriate.
1743         * layout.h (class Layout): Update declaration.
1744
1745 2010-01-07  Ian Lance Taylor  <iant@google.com>
1746
1747         * output.h (class Output_data): Add const version of
1748         output_section and do_output_section.
1749         (class Output_section_data): Add const version of
1750         do_output_section.
1751         (class Output_section): Likewise.
1752         * layout.cc (Layout::add_target_dynamic_tags): New function.
1753         * layout.h (class Layout): Update declarations.
1754         * arm.cc (Target_arm::do_finalize_sections): Use
1755         add_target_dynamic_tags.
1756         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1757         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1758         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1759         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1760
1761 2010-01-07  Ian Lance Taylor  <iant@google.com>
1762
1763         PR 11042
1764         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1765         object as needed.
1766
1767 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1768             Ian Lance Taylor  <iant@google.com>
1769
1770         PR 11019
1771         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1772         Xindex::read_symtab_xindex.
1773
1774 2010-01-07  Doug Kwan  <dougkwan@google.com>
1775
1776         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1777         (Insn_template::thumb16_bcond_insn): New method declaration.
1778         (Insn_template): Fix spelling.
1779         (Stub::thumb16_special): New method declaration.
1780         (Stub::do_write): Define virtual method which was previously pure
1781         virtual.
1782         (Stub::do_thumb16_special): New method declaration.
1783         (Stub::do_fixed_endian_write): New template member.
1784         (Reloc_stub::do_write): Remove.
1785         (Reloc_stub::do_fixed_endian_write): Remove.
1786         (Cortex_a8_stub): New class definition.
1787         (Stub_factory::make_cortex_a8_stub): New method definition.
1788         (Stub_factory::Stub_factory): Add missing static storage class
1789         qualifier for elf32_arm_stub_a8_veneer_blx.
1790
1791 2010-01-07  Ian Lance Taylor  <iant@google.com>
1792
1793         PR 10980
1794         * options.h (class General_options): Add --warn-unresolved-symbols
1795         and --error-unresolved-symbols.
1796         * errors.cc (Errors::undefined_symbol): Implement
1797         --warn-unresolved-symbols.
1798
1799         * options.h (class General_options): Add -z text and -z textoff.
1800         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1801
1802 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1803
1804         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1805         (Garbage_collection::cident_sections): New function.
1806         (Garbage_collection::add_cident_section): New function.
1807         (Garbage_collection::cident_sections_): New member.
1808         (gc_process_relocs): Add references to sections whose names are C
1809         identifiers.
1810         * gold.h (cident_section_start_prefix): New constant.
1811         (cident_section_stop_prefix): New constant.
1812         (is_cident): New function.
1813         * layout.cc (Layout::define_section_symbols): Replace string constants
1814         with the newly defined constants.
1815         * object.cc (Sized_relobj::do_layout): Track sections whose names are
1816         C identifiers.
1817         * testsuite/Makefile.am: Add gc_orphan_section_test.
1818         * testsuite/Makefile.in: Regenerate.
1819         * testsuite/gc_orphan_section_test.cc: New file.
1820         * testsuite/gc_orphan_section_test.sh: New file.
1821
1822 2010-01-06  Ian Lance Taylor  <iant@google.com>
1823
1824         PR 10980
1825         * options.h (class General_options): Add --warn-shared-textrel.
1826         * layout.cc (Layout::finish_dynamic_section): Implement
1827         --warn-shared-textrel.
1828
1829         PR 10980
1830         * options.h (class General_options): Add --warn-multiple-gp.
1831
1832 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1833
1834         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1835         $(THREADSLIB) and $(LIBDL).
1836         * Makefile.in: Rebuild.
1837
1838 2010-01-06  Ian Lance Taylor  <iant@google.com>
1839
1840         PR 10980
1841         * options.cc (General_options::parse_section_start): New function.
1842         (General_options::section_start): New function.
1843         (General_options::General_options): Initialize all members.
1844         * options.h: Include <map>
1845         (class General_options): Add --section-start.  Add section_starts_
1846         member.
1847         * layout.cc (Layout::attach_allocated_section_to_segment): If
1848         --section-start was used, set the address of the segment.  Remove
1849         local sort_sections.
1850         (Layout::relaxation_loop_body): If the address of the load segment
1851         has been set by --section-start, don't use it.
1852         * output.h (Output_segment::update_flags_for_output_section): New
1853         function.
1854         * output.cc (Output_segment::add_output_section): Call
1855         update_flags_for_output_section.
1856
1857 2010-01-05  Ian Lance Taylor  <iant@google.com>
1858
1859         PR 10980
1860         * options.h (class General_options): Add --undefined-version.
1861         * script.cc (struct Version_expression): Add was_matched_by_symbol
1862         field.
1863         (Version_script_info::matched_symbol): New function.
1864         (Version_script_info::get_symbol_version_helper): Call
1865         matched_symbol.
1866         (Version_script_info::check_unmatched_names): New function.
1867         * script.h (class Version_script_info): Update declarations.
1868         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1869
1870         * options.h (class General_options): Use DEFINE_bool_alias for
1871         allow_multiple_definition.
1872         * resolve.cc (Symbol_table::should_override): Don't test
1873         allow_multiple_definition.
1874
1875         PR 10980
1876         * options.h (class General_options): Add --cref.
1877         * main.cc (main): Print cref table if --cref.  Don't close mapfile
1878         until after printing cref table.
1879         * cref.cc: Include "symtab.h".
1880         (class Cref_inputs): Define Cref_table_compare and Cref_table.
1881         (Cref_table_compare::operator()): New function.
1882         (Cref_inputs::gather_cref): New function.
1883         (filecol): New static const.
1884         (Cref_inputs::print_cref): New function.
1885         (Cref::print_cref): New function.
1886         * cref.h: Include <cstdio>.
1887         (class Cref): Update declarations.
1888         * mapfile.h (Mapfile::file): New function.
1889         * object.h (class Object): Define Symbols.  Declare virtual
1890         do_get_global_symbols.
1891         (Object::get_global_symbols): New function.
1892         * object.cc (Input_objects::add_object): Pass object to cref_ if
1893         --cref.
1894         (Input_objects::archive_start): Likewise.
1895         (Input_objects::archive_stop): Likewise.
1896         (Input_objects::print_cref): New function.
1897         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1898         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1899         --cref.
1900         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1901         function.
1902         * plugin.h (class Sized_pluginobj): Update declarations.
1903
1904 2010-01-05  Ian Lance Taylor  <iant@google.com>
1905
1906         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1907         to is_default_version.  Rename insdef to insdefault.
1908         (Symbol_table::add_from_relobj): Rename def to is_default_version
1909         and local to is_forced_local.
1910         (Symbol_table::add_from_pluginobj): Likewise.
1911         (Symbol_table::add_from_dynobj): Likewise.
1912         (Symbol_table::define_special_symbol): Rename insdef to
1913         insdefault.
1914
1915 2010-01-04  Ian Lance Taylor  <iant@google.com>
1916
1917         PR 10980
1918         * options.h (class General_options): Add
1919         --allow-multiple-definition and -z muldefs.
1920         * resolve.cc (Symbol_table::should_override): Don't warn about a
1921         multiple symbol definition if --allow-multiple-definition or -z
1922         muldefs.
1923
1924         PR 10980
1925         * options.h (class General_options): Add --add-needed and
1926         --copy-dt-needed-entries.  Tweak --as-needed help entry.
1927         * object.cc (Input_objects::check_dynamic_dependencies): Give an
1928         error if --copy-dt-needed-entries aka --add-needed is used and
1929         would cause a change in behaviour.
1930
1931         PR 10980
1932         * options.h (class General_options): Add -G as a short version of
1933         --shared.  Add no-op options -assert, -g, and -i.
1934
1935 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
1936
1937         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1938         check for .text or .gnu.linkonce.t sections.
1939         * icf.cc (Icf::find_identical_sections): Ditto.
1940         Change the detection for mangled function name within the section
1941         name.
1942         * icf.h (is_section_foldable_candidate): New function.
1943
1944 2009-12-30  Ian Lance Taylor  <iant@google.com>
1945
1946         PR 10980
1947         * options.h (class General_options): Permit two dashes with
1948         --retain-symbols-file.
1949
1950 2009-12-30  Ian Lance Taylor  <iant@google.com>
1951
1952         PR 10979
1953         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1954         don't put the file header and segment headers in the text
1955         segment.
1956
1957         PR 10979
1958         * common.cc (Sort_commons::operator()): Stabilize sort when both
1959         entries are NULL.
1960         (Symbol_table::do_allocate_commons_list): When allocating common
1961         symbols, skip a symbol which is no longer common.
1962         * symtab.h (Symbol::is_common): Test whether the symbol comes from
1963         an object before checking its type.
1964         * testsuite/common_test_2.c: New file.
1965         * testsuite/common_test_3.c: New file.
1966         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1967         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1968         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1969         (common_test_2_pic.o, common_test_2.so): New targets.
1970         (common_test_3_pic.o, common_test_3.so): New targets.
1971         * testsuite/Makefile.in: Rebuild.
1972
1973         PR 10979
1974         * script.cc (read_input_script): If we see a new SECTIONS clause,
1975         and we have added an input section, give an error.
1976         * layout.h (class Layout): Add have_added_input_section function.
1977         Add have_added_input_section_ field.
1978         * layout.cc (Layout::Layout): Initialize
1979         have_added_input_section_.
1980         (Layout::layout): Set have_added_input_section_.
1981         (Layout::layout_eh_frame): Likewise.
1982
1983 2009-12-30  Ian Lance Taylor  <iant@google.com>
1984
1985         PR 10931
1986         * options.h (class General_options): Add --sort-common option.
1987         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1988         * common.cc (Sort_common): Add sort_order parameter to
1989         constructor.  Add sort_order_ field.
1990         (Sort_commons::operator): Check sort_order_.
1991         (Symbol_table::allocate_commons): Determine the sort order.
1992         (Symbol_table::do_allocate_commons): Add sort_order parameter.
1993         Change all callers.
1994         (Symbol_table::do_allocate_commons_list): Likewise.
1995
1996 2009-12-30  Ian Lance Taylor  <iant@google.com>
1997
1998         PR 10916
1999         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2000         symbols from this object, don't change the visibility of an
2001         undefined symbol.
2002         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2003
2004 2009-12-30  Ian Lance Taylor  <iant@google.com>
2005
2006         PR 10861
2007         * script.h (class Version_script_info): Define Language enum.
2008         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2009         new fields globals_, locals_, and is_finalized_.
2010         * script.cc: Various formatting fixes.
2011         (class Parser_closure): Change language_stack_ from a vector of
2012         std::string to one of Version_script_info::Language.  Adjust all
2013         uses accordingly.
2014         (class Lazy_demangler): Remove.
2015         (struct Version_expression): Change language from std::string to
2016         Version_script_info::Language.
2017         (Version_script_info::Version_script_info): New function.
2018         (Version_script_info::~Version_script_info): Don't call clear.
2019         (Version_script_info::finalize): New function.
2020         (Version_script_info::build_lookup_tables): New function.
2021         (Version_script_info::build_expression_list_lookup): New
2022         function.
2023         (Version_script_info::get_symbol_version_helper): Rewrite to use
2024         lookup tables.
2025         (Version_script_info::print_expression_list): Adjust to use
2026         Version_script_info::Language.
2027         (script_push_lex_into_version_mode): Check that the version script
2028         has not been finalized.
2029         (version_script_push_lang): Change language string to
2030         Version_script_info::Language.
2031         * options.cc (Command_line::version_script): New function.
2032         * options.h (class General_options): Add finalize_dynamic_list
2033         function.  Change version_script from declaration to definition.
2034         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2035         * testsuite/version_script.map: Remove duplicate def of foo.
2036         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2037         version_script.map.
2038         * testsuite/Makefile.in: Rebuild.
2039
2040 2009-12-30  Ian Lance Taylor  <iant@google.com>
2041
2042         PR 10843
2043         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2044         if the input symbol index is 0, make the output symbol index 0.
2045
2046 2009-12-30  Ian Lance Taylor  <iant@google.com>
2047
2048         PR 10670
2049         * options.h (class General_options): Add -x/--discard-all.
2050         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2051         --discard-all.  If the local symbol needs a dynamic entry, check
2052         that before handling --discard-locals.
2053
2054 2009-12-30  Ian Lance Taylor  <iant@google.com>
2055
2056         PR 10450
2057         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2058         flags to PF_R.
2059         (Output_segment::add_output_section): Don't change the flags if
2060         the type is PT_TLS.
2061
2062         PR 10450
2063         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2064         GNU hash table if they need a dynamic value.  Otherwise, don't add
2065         them if they are defined in a dynamic object or are forced local.
2066
2067 2009-12-29  Ian Lance Taylor  <iant@google.com>
2068
2069         PR 10450
2070         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2071         .gnu.hash table for a 32-bit target.
2072
2073         PR 10450
2074         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2075         regular and a dynamic object only needs a dynamic symbol table
2076         entry if it is externally visible.
2077
2078         PR 10450
2079         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2080         constructor.  Add global_offset_table_ field.
2081         (Target_i386::got_section): Set global_offset_table_.
2082         (Target_i386::do_finalize_sections): Set global_offset_table_
2083         size.
2084         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2085         in constructor.  Add global_offset_table_ field.
2086         (Target_x86_64::got_section): Set global_offset_table_.
2087         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2088         size.
2089
2090         * layout.cc (Layout::Layout): Initialize increase_relro_.
2091         (Layout::get_output_section): Add is_relro, is_last_relro, and
2092         is_first_non_relro parameters.  Change all callers.
2093         (Layout::choose_output_section): Likewise.
2094         (Layout::add_output_section_data): Likewise.
2095         (Layout::make_output_section): Likewise.
2096         (Layout::set_segment_offsets): Clear increase_relro when using a
2097         linker script.
2098         * layout.h (class Layout): Add increase_relro method.  Add
2099         increase_relro_ field.  Update declarations.
2100         * output.cc (Output_section::Output_section): Initialize
2101         is_last_relro_ and is_first_non_relro_.
2102         (Output_segment::add_output_section): Group relro sections is
2103         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2104         (Output_segment::maximum_alignment): Remove relro handling.
2105         (Output_segment::set_section_addresses): Add increase_relro
2106         parameter.  Change all callers.  Add initial alignment to align
2107         relro sections on separate page.  Remove old relro handling.
2108         (Output_segment::set_section_list_addresses): Remove in_relro
2109         parameter.  Change all callers.
2110         (Output_segment::set_offset): Add increase parameter.  Change all
2111         callers.  Remove old relro handling.
2112         * output.h (class Output_section): Add new methods: is_last_relro,
2113         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2114         Add is_last_relro_ and is_first_non_relro_ fields.
2115         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2116         Create separate .got.plt section.  Call increase_relro.
2117         * x86_64.cc (Target_x86_64::got_section): Likewise.
2118         * testsuite/relro_script_test.t: Add .got.plt.
2119
2120         PR 10450
2121         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2122         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2123         (Layout::finalize): Call set_dynamic_symbol_size.
2124         (Layout::set_dynamic_symbol_size): New function.
2125         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2126         set_dynamic_symbol_size.
2127
2128         PR 10450
2129         * output.h (class Output_section): Add is_entsize_zero_ field.
2130         * output.cc (Output_section::Output_section): Initialize
2131         is_entsize_zero_.
2132         (Output_section::set_entsize): If two different entsizes are
2133         requested, force it to zero.
2134         (Output_section::add_input_section): Set flags for .debug_str
2135         before updating section flags.  Set entsize.
2136         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2137         and SHF_STRING if all input sections have those flags.
2138
2139 2009-12-29   Rafael Espindola  <espindola@google.com>
2140
2141         * main.cc (main): Fix the sys time reporting.
2142         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2143         reporting.
2144
2145 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2146
2147         * options.cc (General_options::parse_version): Allow -v to exit
2148         without an error if there is nothing to link.
2149
2150 2009-12-29  Ian Lance Taylor  <iant@google.com>
2151
2152         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2153         using a version of gcc before 4.1.
2154         * configure: Rebuild.
2155
2156 2009-12-28  Chris Demetriou  <cgd@google.com>
2157
2158         * attributes.cc (Output_attributes_section_data::do_write): Use
2159         std::vector::front rather than std::vector::data.
2160
2161 2009-12-28  Ian Lance Taylor  <iant@google.com>
2162
2163         * symtab.h (class Symbol_table): Add enum Defined.
2164         * resolve.cc (Symbol_table::should_override): Add defined
2165         parameter.  Change all callers.  Test whether object is NULL
2166         before calling a method on it.
2167         (Symbol_table::report_resolve_problem): Add defined parameter.
2168         Change all callers.
2169         (Symbol_table::should_override_with_special): Likewise.
2170         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2171         parameter.  Change all callers.
2172         (Symbol_table::do_define_in_output_data): Likewise.
2173         (Symbol_table::define_in_output_segment): Likewise.
2174         (Symbol_table::do_define_in_output_segment): Likewise.
2175         (Symbol_table::define_as_constant): Likewise.
2176         (Symbol_table::do_define_as_constant): Likewise.
2177         * script.h (class Symbol_assignment): Add is_defsym parameter to
2178         constructor; change all callers.
2179         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2180         parameter.  Change all callers.  Add is_defsym_ field.
2181         (class Parser_closure): Add parsing_defsym parameter to
2182         constructor; change all callers.  Add parsing_defsym accessor
2183         function.  Add parsing_defsym_ field.
2184
2185 2009-12-28  Ian Lance Taylor  <iant@google.com>
2186
2187         * gold.cc (queue_middle_tasks): Fix formatting.
2188         * object.cc (Relobj::is_section_name_included): Likewise.
2189
2190 2009-12-23  Ian Lance Taylor  <iant@google.com>
2191
2192         * i386.cc (Target_i386::do_calls_non_split): Recognize
2193         -fsplit-stack prologue for a function with a static chain.
2194         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2195         -fsplit-stack prologue when using %r11.
2196
2197 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2198
2199         * options.cc (General_options::parse_version): Make -v continue and do
2200         the link like GNU ld does.
2201
2202 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2203
2204         * Makefile.am (CCFILES): Add timer.cc.
2205         (HFILES): Add timer.h.
2206         * configure.ac: Check for sysconf and times.
2207         * main.cc: include timer.h.
2208         (main): Use Timer instead of get_run_time.
2209         * timer.cc: New.
2210         * timer.h: New.
2211         * workqueue.cc: include timer.h.
2212         (Workqueue::find_and_run_task):
2213         Report user, sys and wall time.
2214         * Makefile.in: Regenerate.
2215         * config.in: Regenerate.
2216         * configure: Regenerate.
2217
2218 2009-12-16  Doug Kwan  <dougkwan@google.com>
2219
2220         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2221         sections.
2222         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2223         relaxed input sections.
2224         * output.cc (Output_section::find_relaxed_input_section): Change
2225         return type to Output_relaxed_input_section pointer.  Adjust code
2226         for new type of relaxed_input_section_map_.
2227         * output.h (Output_section::find_relaxed_input_section): Change
2228         return type to Output_relaxed_input_section pointer.
2229         (Output_section::Output_relaxed_input_section_by_input_section_map):
2230         New type.
2231         (Output_section::relaxed_input_section_map_): Change type to
2232         Output_section::Output_relaxed_input_section_by_input_section_map.
2233         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2234         input section.
2235
2236 2009-12-15  Ian Lance Taylor  <iant@google.com>
2237
2238         * layout.cc (Layout::create_shstrtab): Only write out after input
2239         sections if we are compressing debug sections.
2240
2241 2009-12-15  Ian Lance Taylor  <iant@google.com>
2242
2243         * archive.cc (Archive::add_symbols): Only look up a symbol without
2244         a version if there is, in fact, a version.
2245
2246 2009-12-14  Ian Lance Taylor  <iant@google.com>
2247
2248         Revert -Wshadow changes, all changes from:
2249         2009-12-11  Doug Kwan  <dougkwan@google.com>
2250         2009-12-11  Nick Clifton  <nickc@redhat.com>
2251         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2252
2253 2009-12-11  Doug Kwan  <dougkwan@google.com>
2254
2255         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2256         due to -Wshadow.
2257         * attributes.cc (Object_attribute::size): Ditto.
2258         (Attributes_section_data::size): Ditto.
2259         (Attributes_section_data::Attributes_section_data): Ditto.
2260         (Output_attributes_section_data::do_write): Ditto.
2261         * attributes.h (Object_attribute::set_type): Ditto.
2262         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2263
2264 2009-12-11  Nick Clifton  <nickc@redhat.com>
2265
2266         * archive.cc: Fix shadowed variable warnings.
2267         * arm.cc: Likewise.
2268         * compressed_output.cc: Likewise.
2269         * compressed_output.h: Likewise.
2270         * configure: Likewise.
2271         * dwarf_reader.cc: Likewise.
2272         * dynobj.cc: Likewise.
2273         * dynobj.h: Likewise.
2274         * ehframe.cc: Likewise.
2275         * ehframe.h: Likewise.
2276         * errors.cc: Likewise.
2277         * expression.cc: Likewise.
2278         * fileread.cc: Likewise.
2279         * fileread.h: Likewise.
2280         * freebsd.h: Likewise.
2281         * i386.cc: Likewise.
2282         * icf.cc: Likewise.
2283         * incremental.h: Likewise.
2284         * layout.cc: Likewise.
2285         * layout.h: Likewise.
2286         * mapfile.cc: Likewise.
2287         * merge.cc: Likewise.
2288         * merge.h: Likewise.
2289         * object.cc: Likewise.
2290         * object.h: Likewise.
2291         * options.h: Likewise.
2292         * output.cc: Likewise.
2293         * output.h: Likewise.
2294         * parameters.cc: Likewise.
2295         * plugin.cc: Likewise.
2296         * powerpc.cc: Likewise.
2297         * reduced_debug_output.cc: Likewise.
2298         * reduced_debug_output.h: Likewise.
2299         * reloc.cc: Likewise.
2300         * reloc.h: Likewise.
2301         * resolve.cc: Likewise.
2302         * script-sections.cc: Likewise.
2303         * script.cc: Likewise.
2304         * script.h: Likewise.
2305         * sparc.cc: Likewise.
2306         * symtab.cc: Likewise.
2307         * symtab.h: Likewise.
2308         * target-select.cc: Likewise.
2309         * target-select.h: Likewise.
2310         * token.h: Likewise.
2311         * workqueue.cc: Likewise.
2312         * workqueue.h: Likewise.
2313         * x86_64.cc: Likewise.
2314
2315 2009-12-10  Doug Kwan  <dougkwan@google.com>
2316
2317         * arm.cc (attributes.h): New include.
2318         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2319         (Arm_relobj::~Arm_relobj): Delete object pointed by
2320         attributes_section_data_.
2321         (Arm_relobj::attributes_section_data): New method definition.
2322         (Arm_relobj::attributes_section_data_): New data member declaration.
2323         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2324         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2325         attributes_section_data_.
2326         (Arm_dynobj::attributes_section_data): New method definition.
2327         (Arm_dynobj::attributes_section_data_): New data member declaration.
2328         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2329         initialization value of may_use_blx_ to false.
2330         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2331         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2332         object attributes to compute results instead of hard-coding.
2333         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2334         Target_arm::get_secondary_compatible_arch,
2335         Target_arm::set_secondary_compatible_arch
2336         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2337         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2338         New method declarations.
2339         (Target_arm::get_aeabi_object_attribute): New method definition.
2340         (Target_arm::attributes_section_data_): New data member declaration.
2341         (read_arm_attributes_section): New template definition.
2342         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2343         (Arm_dynobj::do_read_symbols): Ditto.
2344         (Target_arm::do_finalize_sections): Merge attributes sections from
2345         input.  Check for BLX use after attributes section merging.
2346         Fix __exidx_start and __exidx_end visibility.  Create an
2347         .ARM.attributes section if necessary.
2348         (Target_arm::get_secondary_compatible_arch,
2349         Target_arm::set_secondary_compatible_arch,
2350         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2351         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2352         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2353         New method definitions.
2354
2355 2009-12-09  Ian Lance Taylor  <iant@google.com>
2356
2357         * plugin.cc (Plugin::load): Don't cast from void* to a function
2358         pointer.
2359
2360 2009-12-09  Ian Lance Taylor  <iant@google.com>
2361
2362         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2363         information fields.
2364
2365 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2366
2367         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2368         Replace two_file_shared_1.so with two_file_shared_2.so.
2369         * testsuite/Makefile.in: Regenerated.
2370
2371 2009-12-08  Doug Kwan  <dougkwan@google.com>
2372
2373         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2374         (HFILES): Add attributes.h and int_encoding.h.
2375         * Makefile.in: Regenerate.
2376         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2377         function definitions to int_encoding.cc
2378         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2379         prototypes to int_encoding.h
2380         * reduced_debug_output.cc (int_encoding.h): New include.
2381         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2382         function definitions to int_encoding.cc
2383         (insert_into_vector, read_from_pointer): Move template definitions to
2384         int_encoding.h
2385         * attributes.cc: New file.
2386         * attributes.h: New file.
2387         * int_encoding.cc: New file.
2388         * int_encoding.h: New file.
2389
2390 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2391
2392         PR gold/11055
2393         * incremental-dump.cc (dump_incremental_inputs): New.
2394         (main): Use dump_incremental_inputs.
2395
2396 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2397
2398         PR gold/10893
2399         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2400         checking elfcpp::STT_FUNC.
2401         (Target_i386::Relocate::relocate): Likewise.
2402         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2403
2404         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2405         symbols from shared libraries into normal FUNC symbols.
2406
2407         * symtab.h (Symbol): Add is_func and use it.
2408
2409 2009-12-05  Doug Kwan  <dougkwan@google.com>
2410
2411         * arm.cc (Target_arm::arm_info): Initialize new fields
2412         attributes_section and attributes_vendor.
2413         * i386.cc (Target_i386::i386_info): Same.
2414         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2415         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2416         fields attributes_section and attributes_vendor.
2417         * sparc.cc (Target_sparc::sparc_info): Same.
2418         * target.h (Target::attributes_section, Target::attributes_vendor,
2419         Target::is_attributes_section, Target::attribute_arg_type,
2420         Target::attributes_order): New method definitions.
2421         (Target::Target_info::attributes_section,
2422         Target::Target_info::attributes_vendor): New fields.
2423         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2424         virtual method definitions.
2425         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2426         attributes_section and attributes_vendor.
2427         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2428
2429 2009-12-05  Doug Kwan  <dougkwan@google.com>
2430
2431         * arm.cc: Update comments about interworking and stub generation.
2432         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2433         considered as non-PIC.
2434         (Arm_relocate_functions::base_abs): Fix formatting.
2435         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2436         of function to use GOT entry address instead of offset.
2437         (Target_arm::Scan::global): Issue an error if a symbol would need a
2438         PLT does not get one because it is untyped.  Remove code to create
2439         dynamic symbols for relative branches.
2440         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2441         takes unsigned integer instead of boolean.
2442
2443 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2444
2445         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2446         (two_file_test_LDADD): Likewise.
2447         (common_test_1_LDADD): Likewise.
2448         (exception_test_LDADD) Likewise.
2449         (weak_test_LDADD): Likewise.
2450         (many_sections_test_LDADD): Likewise.
2451         (initpri1_LDADD): Likewise.
2452         (script_test_1_LDADD): Likewise.
2453         (script_test_2_LDADD): Likewise.
2454         (justsyms_LDADD): Likewise.
2455         (binary_test_LDADD): Likewise.
2456         (large_LDADD): Likewise.
2457         * testsuite/Makefile.in: Regenerated.
2458
2459 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2460
2461         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2462         (Symbol_table::override_with_special): Likewise.
2463         (Symbol_table::add_from_object): Likewise.
2464
2465 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2466
2467         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2468         Don't set the data_offset twice.
2469
2470 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2471
2472         * testsuite/Makefile.in: Regenerate.
2473
2474 2009-12-03  Doug Kwan  <dougkwan@google.com>
2475
2476         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2477         (Target_arm::do_finalize_sections): Add parameter for symbol table
2478         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2479         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2480         parameter for symbol table pointer.
2481         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2482         an additional parameter for a pointer to symbol table.
2483         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2484         parameter for a symbol table pointer.
2485         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2486         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2487         Ditto.
2488         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2489         parameter for a symbol table pointer.
2490
2491 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2492
2493         * incremental.cc (Incremental_inputs_header)
2494         (Incremental_inputs_header_write, Incremental_inputs_entry)
2495         (Incremental_inputs_entry_write): Move ...
2496         * incremental.h (Incremental_inputs_header)
2497         (Incremental_inputs_header_write, Incremental_inputs_entry)
2498         (Incremental_inputs_entry_write): here.
2499
2500 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2501
2502         * incremental.cc (make_sized_incremental_binary): Set the target.
2503         Error if it is incompatible.
2504         * output.h (Output_file): Add filename method.
2505
2506 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2507
2508         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2509         from the get_* methods.
2510
2511 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2512
2513         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2514         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2515         Write 0 for the data_offset of scripts.
2516
2517 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2518
2519         * testsuite/Makefile.am: Add the incremental_test.sh test.
2520         * testsuite/incremental_test.sh: New.
2521         * testsuite/incremental_test_1.c: New.
2522         * testsuite/incremental_test_2.c: New.
2523
2524 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2525
2526        * incremental-dump.cc (main): Fix typos.
2527
2528 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2529
2530         PR gold/11025
2531         * incremental-dump.cc (main): Use llu to print 64 bit values.
2532
2533 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2534             H.J. Lu  <hongjiu.lu@intel.com>
2535
2536         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2537         $(LIBDL).
2538         (incremental_dump_LDADD): Likewise.
2539         * Makefile.in: Regenerated.
2540
2541 2009-11-25  Doug Kwan  <dougkwan@google.com>
2542         
2543         Revert:
2544
2545         2009-11-25  Doug Kwan  <dougkwan@google.com>
2546
2547                 * arm.cc (Target_arm::Target_arm): Move method definition
2548                 outside of class definition.  Add code to handle
2549                 --target1-rel, --target1-abs and --target2= options.
2550                 (Target_arm::get_reloc_reloc_type): Change method to be
2551                 non-static and const.
2552                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2553                 New data member declaration.
2554                 (Target_arm::Scan::local, Target_arm::Scan::global,
2555                 Target_arm::Relocate::relocate,
2556                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2557                 Adjust call to Target_arm::get_real_reloc_type.
2558                 (Target_arm::get_real_reloc_type): Use command line options
2559                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2560                 * options.h (--target1-rel, --target1-abs, --target2): New
2561                 ARM-only options.
2562
2563 2009-11-25  Doug Kwan  <dougkwan@google.com>
2564
2565         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2566         class definition.  Add code to handle --target1-rel, --target1-abs
2567         and --target2= options.
2568         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2569         and const.
2570         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2571         member declaration.
2572         (Target_arm::Scan::local, Target_arm::Scan::global,
2573         Target_arm::Relocate::relocate,
2574         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2575         call to Target_arm::get_real_reloc_type.
2576         (Target_arm::get_real_reloc_type): Use command line options to
2577         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2578         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2579         options.
2580
2581 2009-11-25  Doug Kwan  <dougkwan@google.com>
2582
2583         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2584         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2585         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2586         formatting.
2587         (Arm_relocate_functions::thm_call): Replace body with a call to
2588         Arm_relocate_functions::thumb_branch_common.
2589         (Arm_relocate_functions::thm_jump24,
2590         Arm_relocate_functions::thm_xpc22): New method definitions.
2591         (Arm_relocate_functions::thumb_branch_common): New method definition.
2592         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2593         operator.
2594         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2595         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2596
2597 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2598
2599         * Makefile.am: Build incremental-dump
2600         * Makefile.in: Regenerate.
2601         * incremental-dump.cc: New.
2602         * incremental.cc (Incremental_inputs_header_data,
2603         Incremental_inputs_entry_data): Move to incremental.h
2604         * incremental.h: (Incremental_inputs_header_data,
2605         Incremental_inputs_entry_data): Move from incremental.cc
2606
2607 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2608
2609         * incremental.cc (Incremental_inputs_header,
2610         Incremental_inputs_header_write, Incremental_inputs_entry,
2611         Incremental_inputs_entry_write): Add a typedef with the data type.
2612
2613 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2614
2615         * incremental.cc (Incremental_inputs_header,
2616         Incremental_inputs_header_write, Incremental_inputs_entry,
2617         Incremental_inputs_entry_write): Update comment about which
2618         type has the filed descriptions.
2619
2620 2009-11-15  Doug Kwan  <dougkwan@google.com>
2621
2622         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2623         (Arm_relocate_functions::arm_branch_common): Change method defintion
2624         in class definition to a method declaration and update list of formal
2625         parameters.
2626         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2627         Arm_relocation_functions::jump24): Adjust call to
2628         Arm_relocate_functions::arm_branch_common.  Update list of formal
2629         parameters.
2630         (Arm_relocate_functions::xpc25): New method definition.
2631         (Arm_relocate_functions::arm_branch_common): Move method defintion
2632         out from class definition.  Use stubs for mode-switching and extending
2633         branch ranges.
2634         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2635         specially.  Change code to enable use of stubs in ARM branches.
2636
2637 2009-11-10  Doug Kwan  <dougkwan@google.com>
2638
2639         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2640         in method declaration.
2641         (Target_arm::relocate_stub): New method declaration.
2642         (Target_arm::default_target): Change to return a pointer instead of
2643         a const reference.
2644         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2645         Target_arm::default_target.
2646         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2647         method definition.
2648         (Target_arm::relocate_section): Adjust view.
2649         (Target_arm::relocate_stub): New method definition.
2650
2651 2009-11-10  Doug Kwan  <dougkwan@google.com>
2652
2653         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2654         a format warning.
2655         * incremental.cc (open_incremental_binary): Initialized local
2656         variables to avoid warnings.
2657         * object.cc (make_elf_object): Ditto.
2658         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2659         a format warning.
2660  
2661 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2662
2663         PR gold/10930
2664         * testsuite/plugin_test.c: Include "config.h".
2665
2666 2009-11-09  Doug Kwan  <dougkwan@google.com>
2667
2668         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2669         (arm_symbol_value): Remove.
2670         (Arm_relocate_functions::arm_branch_common,
2671         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2672         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2673         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2674         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2675         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2676         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2677         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2678         Arm_relocate_functions::thm_mobw_abs_nc,
2679         Arm_relocate_functions::thm_mov_abs,
2680         Arm_relocate_functions::movw_prel_nc,
2681         Arm_relocate_functions::thm_movt_abs,
2682         Arm_relocate_functions::movt_prel,
2683         Arm_relocate_functions::thm_movw_prel_nc,
2684         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2685         (Target_arm::Relocate::relocate): Only decompose address into two
2686         parts if relocation type uses the thumb-bit and pass the actual
2687         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2688         calls to methods in Arm_relocate_functions for this change.
2689
2690 2009-11-08  Ian Lance Taylor  <iant@google.com>
2691
2692         PR 10925
2693         * reloc.cc: Instantiate
2694         Sized_relobj::initialize_input_to_output_maps and
2695         Sized_relobj:free_input_to_output_maps.
2696
2697 2009-11-06  Ian Lance Taylor  <iant@google.com>
2698
2699         PR 10876
2700         * defstd.cc (in_segment): Set only_if_ref true for "end".
2701
2702 2009-11-06  Doug Kwan  <dougkwan@google.com>
2703
2704         * arm.cc (class Reloc_stub): Correct a comment.
2705         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2706         (Target_arm::scan_section_for_stubs): New method declaration.
2707         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2708         Change methods from private to protected.
2709         (Target_arm::do_may_relax): New method definition.
2710         (Target_arm::do_relax, Target_arm::group_sections,
2711         Target_arm::scan_reloc_for_stub,
2712         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2713         (Target_arm::arm_input_section_map_): New data member declaration.
2714         (Target_arm::scan_reloc_for_stub,
2715         Target_arm::scan_reloc_section_for_stubs,
2716         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2717         Target_arm::do_relax): New method definitions.
2718
2719 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2720
2721         * configure.ac: Check for (struct stat)::st_mtim
2722         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2723         * config.in: Regenerate.
2724         * configure: Regenerate.
2725
2726 2009-11-05  Ian Lance Taylor  <iant@google.com>
2727
2728         PR 10910
2729         * output.cc (Output_segment::add_output_section): Add missing
2730         return statement.
2731
2732 2009-11-04  Ian Lance Taylor  <iant@google.com>
2733
2734         PR 10880
2735         * object.h (class Object): Add is_needed and set_is_needed
2736         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2737         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2738         defined in a dynamic object and referenced by a regular object,
2739         set is_needed for the dynamic object.
2740         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2741         if the file is marked with as_needed and it is not needed.
2742
2743 2009-11-04  Ian Lance Taylor  <iant@google.com>
2744
2745         PR 10887
2746         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2747         tags if data is discarded by linker script.
2748         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2749         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2750         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2751         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2752
2753 2009-11-04  Ian Lance Taylor  <iant@google.com>
2754
2755         * layout.cc (Layout::get_output_section): Add is_interp and
2756         is_dynamic_linker_section parameters.  Change all callers.
2757         (Layout::choose_output_section): Likewise.
2758         (Layout::make_output_section): Likewise.
2759         (Layout::add_output_section_data): Add is_dynamic_linker_section
2760         parameter.  Change all callers.
2761         * layout.h (class Layout): Update declarations.
2762         * output.h (class Output_section): Add is_interp, set_is_interp,
2763         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2764         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2765         generate_code_fills_at_write_ to a bitfield.
2766         * output.cc (Output_section::Output_sections): Initialize new
2767         fields.
2768         (Output_segment::add_output_section): Add do_sort parameter.
2769         Change all callers.
2770
2771 2009-11-03  Ian Lance Taylor  <iant@google.com>
2772
2773         PR 10860
2774         * options.h (class General_options): Add --warn-common.
2775         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2776         merging two common symbols.
2777         (Symbol_table::should_override): Handle --warn-common when merging
2778         a common symbol with a defined symbol.  Use report_resolve_problem
2779         for multiple definitions.
2780         (Symbol_table::report_resolve_problem): New function.
2781         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2782
2783 2009-11-03  Doug Kwan  <dougkwan@google.com>
2784
2785         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2786         stub_factory_.
2787         (Target_arm::stub_factory): New method definition.
2788         (Target_arm::new_arm_input_section,
2789         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2790         Target_arm::reloc_uses_thumb_bit): New method declarations.
2791         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2792         New type definitions.
2793         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2794         member declarations.
2795         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2796         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2797         New method definitions.
2798
2799 2009-11-03  Ian Lance Taylor  <iant@google.com>
2800
2801         * options.h (class General_options): Add --warn_constructors.
2802
2803 2009-11-03  Ian Lance Taylor  <iant@google.com>
2804
2805         PR 10893
2806         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2807         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2808
2809 2009-11-03  Ian Lance Taylor  <iant@google.com>
2810
2811         PR 10895
2812         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2813         --msgid-bugs-address.
2814         (install-pdf): New target.
2815         (install-data_yes): Look up one directory to find mkinstalldirs.
2816
2817 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
2818
2819         * po/Make-in (.po.gmo): Don't generate .gmo files in source
2820         tree.
2821
2822 2009-10-30  Doug Kwan  <dougkwan@google.com>
2823
2824         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2825
2826 2009-10-30  Doug Kwan  <dougkwan@google.com>
2827
2828         * arm.cc (Stub_addend_reader): New struct template definition
2829         and partial specializations.
2830         (Stub_addend_reader::operator()): New method definition for a
2831         partially specialized template.
2832
2833 2009-10-30  Doug Kwan  <dougkwan@google.com>
2834
2835         * arm.cc (Arm_relobj::processor_specific_flags): New method
2836         definition.
2837         (Arm_relobj::do_read_symbols): New method declaration.
2838         (Arm_relobj::processor_specific_flags_): New data member declaration.
2839         (Arm_dynobj): New class definition.
2840         (Target_arm::do_finalize_sections): Add input_objects parameter.
2841         (Target_arm::do_adjust_elf_header): New method declaration.
2842         (Target_arm::are_eabi_versions_compatible,
2843         (Target_arm::merge_processor_specific_flags): New method declaration.
2844         (Target_arm::do_make_elf_object): New overloaded method definitions
2845         and declaration.
2846         (Arm_relobj::do_read_symbols): New method definition.
2847         (Arm_dynobj::do_read_symbols): Ditto.
2848         (Target_arm::do_finalize_sections): Add input_objects parameters.
2849         Merge processor-specific flags from all input objects.
2850         (Target_arm::are_eabi_versions_compatible,
2851         Target_arm::merge_processor_specific_flags,
2852         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2853         New method definitions.
2854         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2855         Input_objects pointer type parameter.
2856         * layout.cc (Layout::finalize): Pass input objects to target's.
2857         finalize_sections function.
2858         * output.cc (Output_file_header::do_sized_write): Set ELF file
2859         header's processor-specific flags.
2860         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2861         Input_objects pointer type parameter.
2862         * sparc.cc (Target_sparc::do_finalize_sections): Same.
2863         * target.h (Input_objects): New forward class declaration.
2864         (Target::processor_specific_flags,
2865         Target::are_processor_specific_flags_sect): New method definitions.
2866         (Target::finalize_sections): Add input_objects parameter.
2867         (Target::Target): Initialize processor_specific_flags_ and
2868         are_processor_specific_flags_set_.
2869         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2870         parameter.
2871         (Target::set_processor_specific_flags): New method definition.
2872         (Target::processor_specific_flags_,
2873         Target::are_processor_specific_flags_set_): New data member
2874         declarations.
2875         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2876         Input_objects pointer type parameter.
2877
2878 2009-10-30  Doug Kwan  <dougkwan@google.com>
2879
2880         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2881
2882 2009-10-28  Ian Lance Taylor  <iant@google.com>
2883
2884         * object.h (class Relobj): Drop options parameter from
2885         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2886         do_scan_relocs, do_relocate.  Change all callers.
2887         (class Sized_relobj): Drop options parameters from
2888         do_gc_process_relocs, do_scan_relocs, do_relocate,
2889         do_relocate_sections, relocate_sections, emit_relocs_scan,
2890         emit_relocs_scan_reltype.  Change all callers.
2891         (struct Relocate_info): Remove options field and all references to
2892         it.
2893         * reloc.h (class Read_relocs): Remove options constructor
2894         parameter and options_ field.  Change all callers.
2895         (class Gc_process_relocs, class Scan_relocs): Likewise.
2896         (class Relocate_task): Likewise.
2897         * target-reloc.h (scan_relocs): Remove options parameter.  Change
2898         all callers.
2899         (scan_relocatable_relocs): Likewise.
2900         * target.h (class Sized_target): Remove options parameter from
2901         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
2902         all callers.
2903         * gc.h (gc_process_relocs): Remove options parameter.  Change all
2904         callers.
2905         * arm.cc: Update functions to remove options parameters.
2906         * i386.cc: Likewise.
2907         * powerpc.cc: Likewise.
2908         * sparc.cc: Likewise.
2909         * x86_64.cc: Likewise.
2910         * testsuite/testfile.cc: Likewise.
2911
2912 2009-10-28  Doug Kwan  <dougkwan@google.com>
2913
2914         * arm.cc (Arm_relobj): New class definition.
2915         (Arm_relobj::scan_sections_for_stubs, 
2916         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2917         New method definitions.
2918
2919 2009-10-28  Cary Coutant  <ccoutant@google.com>
2920
2921         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2922         (Plugin::cleanup_done_): New member.
2923         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2924         (Plugin_manager::cleanup_done_): Remove.
2925         (Plugin_manager::add_input_file): Edit error message.
2926         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2927         (Plugin_manager::cleanup): Remove use of cleanup_done_.
2928
2929 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
2930
2931         * fileread.cc: (File_read::View::~View): Use the new
2932         data_ownership_ filed.
2933         (File_read::~File_read): Dispose the new whole_file_view_.
2934         (File_read::open): Mmap the whole file if needed.
2935         (File_read::open): Use whole_file_view_ instead of contents_.
2936         (File_read::find_view): Use whole_file_view_ if applicable.
2937         (File_read::do_read): Use whole_file_view_ instead of contents_.
2938         (File_read::make_view): Use whole_file_view_ instead of contents_,
2939         update File_read::View::View call.
2940         (File_read::find_or_make_view): Update File_read::View::View
2941         call.
2942         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2943         remove contents_
2944         (File_read::View::Data_ownership): New enum.
2945         (File_read::View::View): Replace bool mapped_ with Data_ownership
2946         argument.
2947         (File_read::View::mapped_): Remove (replaced by data_ownership_).
2948         (File_read::View::data_ownership_): New field.
2949         (File_read::contents_): Remove (replaced by whole_file_view_).
2950         (File_read::whole_file_view_): New field.
2951         * options.h (class General_options): Add --keep-files-mapped.
2952
2953 2009-10-27  Cary Coutant  <ccoutant@google.com>
2954
2955         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2956         * testsuite/Makefile.am (plugin_test_5): New test case.
2957         * testsuite/Makefile.in: Regenerate.
2958
2959 2009-10-25  Doug Kwan  <dougkwan@google.com>
2960
2961         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2962         from private to protected to allow access by child class.
2963         (Sized_relobj::do_relocate_sections): New method declaration.
2964         (Sized_relobj::relocate_sections): Virtualize.
2965         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
2966         Sized_relobj::relocate_sections.  Instantiate template explicitly
2967         for different target sizes and endianity.
2968
2969 2009-10-24  Doug Kwan  <dougkwan@google.com>
2970
2971         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2972         (Arm_input_section::as_arm_input_section): New method.
2973         (Arm_output_section): New class definition.
2974         (Arm_output_section::create_stub_group,
2975         Arm_output_section::group_sections): New method definitions.
2976
2977 2009-10-22  Doug Kwan  <dougkwan@google.com>
2978
2979         * arm.cc (Arm_input_section): New class definition.
2980         (Arm_input_section::init, Arm_input_section:do_write,
2981         Arm_input_section::set_final_data_size,
2982         Arm_input_section::do_reset_address_and_file_offset): New method
2983         definitions.
2984
2985 2009-10-21  Doug Kwan  <dougkwan@google.com>
2986
2987         * arm.cc (Stub_table, Arm_input_section): New forward class
2988         declarations.
2989         (Stub_table): New class defintion.
2990         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2991         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2992         New method definition.
2993
2994 2009-10-21  Doug Kwan  <dougkwan@google.com>
2995
2996         * arm.cc: Update copyright comments.
2997         (Target_arm): New forward class template declaration.
2998         (Arm_address): New type.
2999         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3000         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3001         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3002         constants.
3003         (Insn_template): Same.
3004         (DEF_STUBS): New macro.
3005         (Stub_type): New enum type.
3006         (Stub_template): New class definition.
3007         (Stub): Same.
3008         (Reloc_stub): Same.
3009         (Stub_factory): Same.
3010         (Target_arm::Target_arm): Initialize may_use_blx_ and
3011         should_force_pic_veneer_.
3012         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3013         Target_arm::should_force_pic_veneer,
3014         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3015         Target_arm::using_thumb_only, Target_arm:;default_target): New
3016         method defintions.
3017         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3018         New data member declarations.
3019         (Insn_template::size, Insn_template::alignment): New method defintions.
3020         (Stub_template::Stub_template): New method definition.
3021         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3022         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3023         (Stub_factory::Stub_factory): New method definition.
3024         * gold.h (string_hash): New template.
3025         * output.h (Input_section_specifier::hash_value): Use
3026         gold::string_hash.
3027         (Input_section_specifier::string_hash): Remove.
3028         * stringpool.cc (Stringpool_template::string_hash): Use
3029         gold::string_hash.
3030
3031 2009-10-20  Doug Kwan  <dougkwan@google.com>
3032
3033         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3034         symbols of relaxed input sections.
3035         * output.h (Output_section::find_relaxed_input_section): Make
3036         method public.
3037
3038 2009-10-16  Doug Kwan  <dougkwan@google.com>
3039
3040         * dynobj.cc (Versions::Versions): Initialize version_script_.
3041         Only insert base version symbol definition for a shared object
3042         if version script defines any version versions.
3043         (Versions::define_base_version): New method definition.
3044         (Versions::add_def): Check that base version is not needed.
3045         (Versions::add_need): Define base version lazily.
3046         * dynobj.h (Versions::define_base_version): New method declaration.
3047         (Versions::needs_base_version_): New data member declaration.
3048         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3049         (check_DATA): Add no_version_test.stdout.
3050         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3051         New make rules.
3052         * testsuite/Makefile.in: Regenerate.
3053         * testsuite/no_version_test.c: New file.
3054         * testsuite/no_version_test.sh: Ditto.
3055
3056 2009-10-16  Doug Kwan  <dougkwan@google.com>
3057
3058         * expression.cc (class Segment_start_expression): New class definition.
3059         (Segment_start_expression::value): New method definition.
3060         (script_exp_function_segment_start): Return a new
3061         Segment_start_expression.
3062         * gold/script-c.h (script_saw_segment_start_expression): New function
3063         prototype.
3064         * script-sections.cc (Script_sections::Script_sections): Initialize
3065         SAW_SEGMENT_START_EXPRESSION_ to false.
3066         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3067         and -Tbbs options to specify section addresses if given in
3068         command line and no SEGMENT_START expression is seen in a script.
3069         * script-sections.h (Script_sections::saw_segment_start_expression,
3070         Script_sections::set_saw_segment_start_expression): New method
3071         definition.
3072         (Script_sections::saw_segment_start_expression_): New data member
3073         declaration.
3074         * script.cc (script_saw_segment_start_expression): New function.
3075         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3076         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3077         script_test_7.sh and script_test_8.sh.
3078         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3079         script_test_8.stdout.
3080         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3081         (script_test_6, script_test_6.stdout, script_test_7,
3082         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3083         * Makefile.in: Regenerate.
3084         * testsuite/script_test_6.sh: New file.
3085         * testsuite/script_test_6.t: Same.
3086         * testsuite/script_test_7.sh: Same.
3087         * testsuite/script_test_7.t: Same.
3088         * testsuite/script_test_8.sh: Same.
3089
3090 2009-10-16  Doug Kwan  <dougkwan@google.com>
3091
3092         * output.cc (Output_segment::set_section_list_address): Cast
3093         expressions to unsigned long long type to avoid format warnings.
3094
3095 2009-10-15  Ian Lance Taylor  <iant@google.com>
3096
3097         * script.cc (Script_options::add_symbol_assignment): Always add a
3098         dot assignment to script_sections_.
3099         * script-sections.cc (Script_sections::add_dot_assignment):
3100         Initialize if necessary.
3101
3102         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3103         program headers with no load segment if there is a linker script.
3104
3105         * layout.cc (Layout::set_segment_offsets): Align the file offset
3106         to the segment aligment for -N or -n with no load segment.
3107         * output.cc (Output_segment::add_output_section): Don't crash if
3108         the first section is a TLS section.
3109         (Output_segment::set_section_list_addresses): Print an error
3110         message if the address moves backward in a linker script.
3111         * script-sections.cc
3112         (Output_section_element_input::set_section_addresses): Don't
3113         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3114         (Orphan_output_section::set_section_addresses): Likewise.
3115
3116 2009-10-15  Doug Kwan  <dougkwan@google.com>
3117
3118         * layout.cc (Layout::finish_dynamic_section): Generate tags
3119         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3120         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3121         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3122
3123 2009-10-14  Ian Lance Taylor  <iant@google.com>
3124
3125         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3126         fields.
3127         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3128         data_shdr fields of relinfo.
3129         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3130         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3131         R_386_TLS_LDO_32, adjust based on section flags.
3132         (Target_i386::Relocate::fix_up_ldo): Remove.
3133
3134 2009-10-13  Ian Lance Taylor  <iant@google.com>
3135
3136         Add support for -pie.
3137         * options.h (class General_options): Add -pie and
3138         --pic-executable.
3139         (General_options::output_is_position_independent): Test -pie.
3140         (General_options::output_is_executable): Return true if not shared
3141         and not relocatable.
3142         (General_options::output_is_pie): Remove.
3143         * options.cc (General_options::finalize): Reject incompatible uses
3144         of -pie.
3145         * gold.cc (queue_middle_tasks): A -pie link is not static.
3146         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3147         * symtab.cc (Symbol::final_value_is_known): Return false if
3148         output_is_position_independent.
3149         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3150         output_is_position_independent.
3151         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3152         output_is_position_independent.
3153         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3154         output_is_position_independent.
3155         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3156         two_file_pie_test.
3157         (basic_pie_test.o, basic_pie_test): New targets.
3158         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3159         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3160         (two_file_pie_test): New target.
3161         * testsuite/Makefile.in: Rebuild.
3162         * README: Remove note saying that -pie is not supported.
3163
3164 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3165
3166         * options.h (class General_options): Add -init and -fini.
3167         * layout.cc (Layout::finish_dynamic_section): Emit
3168         given init and fini functions.
3169
3170 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3171
3172         * gc.h (gc_process_relocs): Check if icf is enabled using new
3173         function.
3174         * gold.cc (queue_initial_tasks): Likewise.
3175         (queue_middle_tasks): Likewise.
3176         * object.cc (do_layout): Likewise.
3177         * symtab.cc (is_section_folded): Likewise.
3178         * main.cc (main): Likewise.
3179         * reloc.cc (Read_relocs::run): Likewise.
3180         (Sized_relobj::do_scan_relocs): Likewise.
3181         * icf.cc (is_function_ctor_or_dtor): New function.
3182         (Icf::find_identical_sections): Check if function is ctor or dtor when
3183         safe icf is chosen.
3184         * options.h (General_options::icf): Change option to be an enum.
3185         (Icf_status): New enum.
3186         (icf_enabled): New method.
3187         (icf_safe_folding): New method.
3188         (set_icf_status): New method.
3189         (icf_status_): New variable.
3190         * (options.cc) (General_options::finalize): Set icf_status_.
3191         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3192         icf_test and icf_keep_unique_test to use the --icf enum flag.
3193         * testsuite/icf_safe_test.sh: New file.
3194         * testsuite/icf_safe_test.cc: New file. 
3195
3196 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3197
3198         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3199         includes to gc.h and icf.h.
3200         * arm.cc: Include gc.h.
3201         * gold.cc: Likewise.
3202         * i386.cc: Likewise.
3203         * powerpc.cc: Likewise.
3204         * sparc.cc: Likewise.
3205         * x86_64.cc: Likewise.
3206         * gc.h: Include icf.h.
3207
3208 2009-10-11  Ian Lance Taylor  <iant@google.com>
3209
3210         * plugin.cc: Include "gold.h" before other header files.
3211
3212 2009-10-10  Chris Demetriou  <cgd@google.com>
3213
3214         * options.h (Input_file_argument::Input_file_type): New enum.
3215         (Input_file_argument::is_lib_): Replace with...
3216         (Input_file_argument::type_): New member.
3217         (Input_file_argument::Input_file_argument): Take Input_file_type
3218         'type' rather than boolean 'is_lib' as second argument.
3219         (Input_file_argument::is_lib): Use type_.
3220         (Input_file_argument::is_searched_file): New function.
3221         (Input_file_argument::may_need_search): Handle is_searched_file.
3222         * options.cc (General_options::parse_library): Support -l:filename.
3223         (General_options::parse_just_symbols): Update for Input_file_argument
3224         changes.
3225         (Command_line::process): Likewise.
3226         * archive.cc (Archive::get_file_and_offset): Likewise.
3227         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3228         * script.cc (read_script_file, script_add_file): Likewise.
3229         * fileread.cc (Input_file::Input_file): Likewise.
3230         (Input_file::will_search_for): Handle is_searched_file.
3231         (Input_file::open): Likewise.
3232         * readsyms.cc (Read_symbols::get_name): Likewise.
3233         * testsuite/Makefile.am (searched_file_test): New test.
3234         * testsuite/Makefile.in: Regenerate.
3235         * testsuite/searched_file_test.cc: New file.
3236         * testsuite/searched_file_test_lib.cc: New file.
3237
3238 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3239             Ian Lance Taylor  <iant@google.com>
3240
3241         * descriptor.cc: Include <cstdio> and "binary-io.h".
3242         (Descriptors::open): Open the files in binary mode always.
3243         * script.cc (Lex::get_token): Treat \r as whitespace.
3244
3245 2009-10-09  Ian Lance Taylor  <iant@google.com>
3246
3247         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3248
3249 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3250             Ian Lance Taylor  <iant@google.com>
3251
3252         * configure.ac: Check for readv function also.
3253         * fileread.cc (readv): Define if not HAVE_READV.
3254         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3255         does not exist.
3256         * config.in: Regenerate.
3257         * configure: Regenerate.
3258
3259 2009-10-09  Doug Kwan  <dougkwan@google.com>
3260
3261         * layout.cc (Layout::make_output_section): Call target hook to make
3262         ordinary output section.
3263         (Layout::finalize): Adjust parameter list of call the
3264         Target::may_relax().
3265         * layout.h (class Layout::section_list): New method.
3266         * merge.h (Output_merge_base::entsize): Change visibility to public.
3267         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3268         New methods.
3269         (Output_merge_string::do_is_string): New method.
3270         * object.cc (Sized_relobj::do_setup): renamed from
3271         Sized_relobj::set_up.
3272         * object.h (Sized_relobj::adjust_shndx,
3273         Sized_relobj::initializ_input_to_output_maps,
3274         Sized_relobj::free_input_to_output_maps): Change visibilities to
3275         protected.
3276         (Sized_relobj::setup): Virtualize.
3277         (Sized_relobj::do_setup): New method declaration.
3278         (Sized_relobj::invalidate_section_offset,
3279         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3280         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3281         * options.cc (parse_int): New function.
3282         * options.h (parse_int): New declaration.
3283         (DEFINE_int): New macro.
3284         (stub_group_size): New option.
3285         * output.cc (Output_section::Output_section): Initialize memebers
3286         merge_section_map_, merge_section_by_properties_map_,
3287         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3288         (Output_section::add_input_section): Handled deferred code-fill
3289         generation and remove an old comment.
3290         (Output_section::add_relaxed_input_section): New method definition.
3291         (Output_section::add_merge_input_section): Use merge section by
3292         properties map to speed to search.  Update merge section maps
3293         as appropriate.
3294         (Output_section::build_relaxation_map): New method definition.
3295         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3296         Same.
3297         (Output_section::relax_input_section): Renamed to
3298         Output_section::convert_input_sections_to_relaxed_sections and change
3299         interface to take a vector of pointers to relaxed sections.
3300         (Output_section::find_merge_section,
3301         Output_section::find_relaxed_input_section): New method definitions.
3302         (Output_section::is_input_address_mapped,
3303         Output_section::output_offset, Output_section::output_address):
3304         Use output section data maps to speed up searching.
3305         (Output_section::find_starting_output_address): Add comments.
3306         (Output_section::do_write,
3307         Output_section::write_to_postprocessing_buffer): Do code-fill
3308         generation as appropriate.
3309         (Output_section::get_input_sections): Invalidate relaxed input section
3310         map.
3311         (Output_section::restore_states): Adjust type of checkpoint .
3312         Invalidate relaxed input section map.
3313         * output.h (Output_merge_base): New class declaration.
3314         (Input_section_specifier): New class defintion.
3315         (class Output_relaxed_input_section) Change base class to
3316         Output_section_data_build.
3317         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3318         base class initializer.
3319         (Output_section::add_relaxed_input_section): New method declaration.
3320         (Output_section::Input_section): Change visibility to protected.
3321         (Output_section::Input_section::relobj,
3322         Output_section::Input_section::shndx): Handle relaxed input sections.
3323         Output_section::input_sections) Change visibility to protected.  Also
3324         define overload to return a non-const pointer.
3325         (Output_section::Merge_section_properties): New class defintion.
3326         (Output_section::Merge_section_by_properties_map,
3327         Output_section::Output_section_data_by_input_section_map,
3328         Output_section::Relaxation_map): New types.
3329         (Output_section::relax_input_section): Rename method to
3330         Output_section::convert_input_sections_to_relaxed_sections and change
3331         interface to take a vector of relaxed section pointers.
3332         (Output_section::find_merge_section,
3333         Output_section::find_relaxed_input_section,
3334         Output_section::build_relaxation_map,
3335         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3336         New method declarations.
3337         (Output_section::merge_section_map_
3338         Output_section::merge_section_by_properties_map_,
3339         Output_section::relaxed_input_section_map_,
3340         Output_section::is_relaxed_input_section_map_valid_,
3341         Output_section::generate_code_fills_at_write_): New data members.
3342         * script-sections.cc
3343         (Output_section_element_input::set_section_addresses): Call
3344         current_data_size and addralign methods of relaxed input sections.
3345         (Orphan_output_section::set_section_addresses): Call current_data_size
3346         and addralign methods of relaxed input sections.
3347         * symtab.cc (Symbol_table::compute_final_value): Extract template
3348         from the body of Symbol_table::sized_finalize_symbol.
3349         (Symbol_table::sized_finalized_symbol): Call
3350         Symbol_table::compute_final_value.
3351         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3352         (Symbol_table::compute_final_value): New templated method declaration.
3353         * target.cc (Target::do_make_output_section): New method defintion.
3354         * target.h (Target::make_output_section): New method declaration.
3355         (Target::relax): Add more parameters for input objects, symbol table
3356         and layout.  Adjust call to do_relax.
3357         (Target::do_make_output_section): New method declaration.
3358         (Target::do_relax): Add parameters for input objects, symbol table
3359         and layout.
3360
3361 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3362
3363         * pread.c: Include stdio.h.
3364
3365 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3366
3367         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3368         defined.
3369
3370 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3371
3372         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3373         Change read_shndx type to unsigned int.
3374         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3375         int.
3376         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3377         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3378         Change read_shndx type to unsigned int.
3379         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3380         int.
3381         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3382         * layout.cc (Layout::create_symtab_sections): Cast the result of
3383         local_symcount * symsize to off_t in the gold_assert.
3384
3385 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3386
3387         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3388         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3389         R_ARM_BASE_ABS.
3390         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3391         (Arm_relocate_functions::thm_abs5): New function.
3392         (Arm_relocate_functions::abs12): New function.
3393         (Arm_relocate_functions::abs16): New function.
3394         (Arm_relocate_functions::base_abs): New function.
3395         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3396         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3397         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3398         R_ARM_BASE_ABS.
3399         (Scan::global): Likewise.
3400         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3401         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3402         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3403         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3404         R_ARM_BASE_ABS.
3405
3406 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3407
3408         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3409         (Arm_relocate_functions::movt_prel): New function.
3410         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3411         (Arm_relocate_functions::thm_movt_prel): New function.
3412         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3413         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3414         (Scan::global, Relocate::relocate): Likewise.
3415         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3416
3417 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3418
3419         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3420         Incremental_checker.
3421         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3422         unsigned int.
3423         (class Incremental_inputs_header): New class.
3424         (Incremental_inputs_header_writer): Edit comment.
3425         (Incremental_inputs_entry): New class.
3426         (Incremental_inputs_entry_writer): Edit comment.
3427         (Sized_incremental_binary::do_find_incremental_inputs_section):
3428         Add *strtab_shndx parameter, fill it.
3429         (Sized_incremental_binary::do_check_inputs): New method.
3430         (Incremental_checker::can_incrementally_link_output_file): Use
3431         Sized_incremental_binary::check_inputs.
3432         (Incremental_inputs::report_command_line): Save command line in
3433         command_line_.
3434         * incremental.h:
3435         (Incremental_binary::find_incremental_inputs_section): New
3436         method.
3437         (Incremental_binary::do_find_incremental_inputs_section): Add
3438         strtab_shndx parameter.
3439         (Incremental_binary::do_check_inputs): New pure virtual method.
3440         (Sized_incremental_binary::do_check_inputs): Declare.
3441         (Incremental_checker::Incremental_checker): Add incremental_inputs
3442         parameter, use it to initialize incremental_inputs_.
3443         (Incremental_checker::incremental_inputs_): New field.
3444         (Incremental_checker::command_line): New method.
3445         (Incremental_checker::inputs): New method.
3446         (Incremental_checker::command_line_): New field.
3447
3448 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3449
3450         * incremental.cc: Include <cstdarg> and "target-select.h".
3451         (vexplain_no_incremental): New function.
3452         (explain_no_incremental): New function.
3453         (Incremental_binary::error): New method.
3454         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3455         method.
3456         (make_sized_incremental_binary): New function.
3457         (open_incremental_binary): New function.
3458         (can_incrementally_link_file): Add checks if output is ELF and has
3459         inputs section.
3460         * incremental.h: Include "elfcpp_file.h" and "output.h".
3461         (Incremental_binary): New class.
3462         (Sized_incremental_binary): New class.
3463         (open_incremental_binary): Declare.
3464         * object.cc (is_elf_object): Use
3465         elfcpp::Elf_recognizer::is_elf_file.
3466         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3467         * output.h (Output_file::filesize): New method.
3468
3469 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3470
3471         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3472         New function.
3473         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3474         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3475         function.
3476         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3477         function.
3478         (Arm_relocate_functions::movw_abs_nc): New function.
3479         (Arm_relocate_functions::movt_abs): New function.
3480         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3481         (Arm_relocate_functions::thm_movt_abs): New function.
3482         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3483         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3484         (Scan::global): Likewise.
3485         (Relocate::relocate): Likewise.
3486         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3487
3488 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3489
3490         * arm.cc (Arm_relocate_functions::got_prel) New function.
3491         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3492         (Relocate::relocate): Likewise.
3493         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3494
3495 2009-10-06  Ian Lance Taylor  <iant@google.com>
3496
3497         * options.h (class General_options): Define
3498         split_stack_adjust_size parameter.
3499         * object.h (class Object): Add uses_split_stack_ and
3500         has_no_split_stack_ fields.  Add uses_split_stack and
3501         has_no_split_stack accessor functions.  Declare
3502         handle_split_stack_section.
3503         (class Reloc_symbol_changes): Define.
3504         (class Sized_relobj): Define Function_offsets.  Declare
3505         split_stack_adjust, split_stack_adjust_reltype, and
3506         find_functions.
3507         * object.cc (Object::handle_split_stack_section): New function.
3508         (Sized_relobj::do_layout): Call handle_split_stack_section.
3509         * dynobj.cc (Sized_dynobj::do_layout): Call
3510         handle_split_stack_section.
3511         * reloc.cc (Sized_relobj::relocate_sections): Call
3512         split_stack_adjust for executable sections in split_stack
3513         objects.  Pass reloc_map to relocate_section.
3514         (Sized_relobj::split_stack_adjust): New function.
3515         (Sized_relobj::split_stack_adjust_reltype): New function.
3516         (Sized_relobj::find_functions): New function.
3517         * target-reloc.h: Include "object.h".
3518         (relocate_section): Add reloc_symbol_changes parameter.  Change
3519         all callers.
3520         * target.h (class Target): Add calls_non_split method.  Declare
3521         do_calls_non_split virtual method.  Declare match_view and
3522         set_view_to_nop.
3523         * target.cc: Include "elfcpp.h".
3524         (Target::do_calls_non_split): New function.
3525         (Target::match_view): New function.
3526         (Target::set_view_to_nop): New function.
3527         * gold.cc (queue_middle_tasks): Give an error if mixing
3528         split-stack and non-split-stack objects with -r.
3529         * i386.cc (Target_i386::relocate_section): Add
3530         reloc_symbol_changes parameter.
3531         (Target_i386::do_calls_non_split): New function.
3532         * x86_64.cc (Target_x86_64::relocate_section): Add
3533         reloc_symbol_changes parameter.
3534         (Target_x86_64::do_calls_non_split): New function.
3535         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3536         parameter.
3537         * powerpc.cc (Target_powerpc::relocate_section): Add
3538         reloc_symbol_changes parameter.
3539         * sparc.cc (Target_sparc::relocate_section): Add
3540         reloc_symbol_changes parameter.
3541         * configure.ac: Call AM_CONDITIONAL for the default target.
3542         * configure: Rebuild.
3543         * testsuite/Makefile.am (TEST_AS): New variable.
3544         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3545         (check_DATA): Add split_i386 and split_x86_64 files.
3546         (SPLIT_DEFSYMS): Define.
3547         (split_i386_[1234n].o): New targets.
3548         (split_i386_[124]): New targets.
3549         (split_i386_[1234r].stdout): New targets.
3550         (split_x86_64_[1234n].o): New targets.
3551         (split_x86_64_[124]): New targets.
3552         (split_x86_64_[1234r].stdout): New targets.
3553         (MOSTLYCLEANFILES): Add new executables.
3554         * testsuite/split_i386.sh: New file.
3555         * testsuite/split_x86_64.sh: New file.
3556         * testsuite/split_i386_1.s: New file.
3557         * testsuite/split_i386_2.s: New file.
3558         * testsuite/split_i386_3.s: New file.
3559         * testsuite/split_i386_4.s: New file.
3560         * testsuite/split_i386_n.s: New file.
3561         * testsuite/split_x86_64_1.s: New file.
3562         * testsuite/split_x86_64_2.s: New file.
3563         * testsuite/split_x86_64_3.s: New file.
3564         * testsuite/split_x86_64_4.s: New file.
3565         * testsuite/split_x86_64_n.s: New file.
3566         * testsuite/testfile.cc (Target_test): Update relocation_section
3567         function.
3568         * testsuite/Makefile.in: Rebuild.
3569
3570 2009-10-06  Ian Lance Taylor  <iant@google.com>
3571
3572         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3573         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3574         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3575         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3576         the address on ldo_addrs_.
3577         (Target_i386::Relocate::fix_up_ldo): New function.
3578
3579 2009-10-06   Rafael Espindola  <espindola@google.com>
3580
3581         * plugin.cc (add_input_library): New.
3582         (Plugin::load): Add add_input_library to tv.
3583         (Plugin_manager::add_input_file): Add the is_lib argument.
3584         (add_input_file): Update call to Plugin_manager::add_input_file.
3585         (add_input_library): New.
3586         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3587
3588 2009-09-30  Doug Kwan  <dougkwan@google.com>
3589
3590         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3591         symbol and call Symbol::may_need_copy_reloc to determine if
3592         a copy reloc is needed.
3593         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3594         nocopyreloc is given in command line.
3595         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3596         given in command line.
3597         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3598         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3599         of the removed Target_i386::may_need_copy_reloc.
3600         * options.h (copyreloc): New option with default value false.
3601         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3602         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3603         instead of the removed Target_powerpc::may_need_copy_reloc.
3604         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3605         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3606         instead of the removed Target_sparc::may_need_copy_reloc.
3607         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3608         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3609         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3610         instead of the removed Target_x86_64::may_need_copy_reloc.
3611
3612 2009-09-30  Ian Lance Taylor  <iant@google.com>
3613
3614         * object.h (class Object): Remove target_ field, and target,
3615         sized_target, and set_target methods.
3616         (Object::sized_target): Remove.
3617         (class Sized_relobj): Update declarations.  Remove sized_target.
3618         * object.cc (Sized_relobj::setup): Remove target parameter.
3619         Change all callers.
3620         (Input_objects::add_object): Don't do anything with the target.
3621         (make_elf_sized_object): Add punconfigured parameter.  Change all
3622         callers.  Set or test parameter target.
3623         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3624         Change all callers.
3625         * parameters.cc (Parameters::set_target): Change parameter type to
3626         be non-const.
3627         (Parameters::default_target): Remove.
3628         (set_parameters_target): Change parameter type to be non-const.
3629         (parameters_force_valid_target): New function.
3630         (parameters_clear_target): New function.
3631         * parameters.h (class Parameters): Update declarations.  Remove
3632         default_target method.  Add sized_target and clear_target
3633         methods.  Change target_ to be non-const.
3634         (set_parameters_target): Update declaration.
3635         (parameters_force_valid_target): Declare.
3636         (parameters_clear_target): Declare.
3637         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3638         as NULL if we aren't searching.
3639         (Add_symbols::run): Don't check for compatible target.
3640         * fileread.cc (Input_file::open_binary): Call
3641         parameters_force_valid_target.
3642         * gold.cc (queue_middle_tasks): Likewise.
3643         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3644         set_target on object.
3645         * dynobj.h (class Sized_dynobj): Update declarations.
3646         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3647         make_elf_object returns NULL.
3648         (Archive::include_member): Don't check whether object target is
3649         compatible.
3650         * output.cc (Output_section::add_input_section): Get target from
3651         parameters.
3652         (Output_section::relax_input_section): Likewise.
3653         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3654         parameters.
3655         (Sized_relobj::do_scan_relocs): Likewise.
3656         (Sized_relobj::relocate_sections): Likewise.
3657         * resolve.cc (Symbol_table::resolve): Likewise.
3658         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3659         parameter.  Change all callers.
3660         (Symbol_table::add_from_object): Get target from parameters.
3661         (Symbol_table::add_from_relobj): Don't check object target.
3662         (Symbol_table::add_from_dynobj): Likewise.
3663         (Symbol_table::define_special_symbol): Get target from
3664         parameters.
3665         * symtab.h (class Symbol_table): Update declaration.
3666         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3667         parameter.  Change all callers.  Clear parameter target.
3668         (Binary_test): Test target here.
3669         * testsuite/object_unittest.cc (gold_testsuite): Remove
3670         target_test_pointer parameter.  Change all callers.
3671         (Object_test): Test target here.
3672
3673 2009-09-26  Ian Lance Taylor  <iant@google.com>
3674
3675         * testsuite/initpri1.c: Don't try to use constructor priorities if
3676         compiling with gcc before 4.3.
3677
3678 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3679
3680         * testsuite/retain_symbols_file_test.sh (check_present): Change
3681         output file name to retain_symbols_file_test.stdout.
3682         (check_absent): Likewise.
3683
3684 2009-09-18  Craig Silverstein  <csilvers@google.com>
3685
3686         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3687         * options.cc: Include <cerrno> and <fstream>.
3688         (General_options::finalize): Parse -retain-symbols-file tag.
3689         * options.h: New flag.
3690         (General_options): New method should_retain_symbol, new
3691         variable symbols_to_retain.
3692         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3693         should_retain_symbol map.
3694         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3695         * testsuite/Makefile.in: Regenerate.
3696         * testsuite/retain_symbols_file_test.sh: New file.
3697
3698 2009-09-18  Nick Clifton  <nickc@redhat.com>
3699
3700         * po/es.po: Updated Spanish translation.
3701
3702 2009-09-17  Doug Kwan  <dougkwan@google.com>
3703
3704         * debug.h (DEBUG_RELAXATION): New constant.
3705         (DEBUG_ALL): Add DEBUG_RELAXATION.
3706         (debug_string_to_enum): Add relaxation debug option.
3707         * layout.cc
3708         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3709         Layout::Relaxation_debug_check::read_sections,
3710         Layout::Relaxation_debug_check::read_sections): New method definitions.
3711         (Layout::Layout): Initialize data members
3712         record_output_section_data_from_scrips_,
3713         script_output_section_data_list_ and relaxation_debug_check_.
3714         (Layout::save_segments, Layout::restore_segments,
3715         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3716         Layout::relaxation_loop_body): New method definitions.
3717         (Layout::finalize): Support relaxation.  Move section layout code to
3718         Layout::relaxation_loop_body.
3719         (Layout::set_asection_address_from_script): Move code for orphan
3720         section placement out.
3721         (Layout::place_orphan_sections_in_script): New method definition.
3722         * layout.h (Output_segment_headers, Output_file_header):
3723         New forward class declarations.
3724         (Layout::~Layout): Define.
3725         (Layout::new_output_section_data_from_script): New method definition.
3726         (Layout::place_orphan_sections_in_script): New method declaration.
3727         (Layout::Segment_states): New type declaration.
3728         (Layout::save_segments, Layout::restore_segments,
3729         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3730         Layout::relaxation_loop_body): New method declarations.
3731         (Layout::Output_section_data_list): New type declaration.
3732         (Layout::Relaxation_debug_check): New class definition.
3733         (Layout::record_output_section_data_from_script_,
3734         Layout::script_output_section_data_list_, Layout::segment_states_,
3735         Layout::relaxation_debug_check_): New data members.
3736         * output.cc: (Output_section_headers::do_size): New method definition.
3737         (Output_section_headers::Output_section_headers): Move size
3738         computation to Output_section_headers::do_size.
3739         (Output_segment_headers::do_size): New method definition.
3740         (Output_file_header::Output_file_header): Move size computation to 
3741         Output_file_header::do_size and call it.
3742         (Output_file_header::do_size): New method definition.
3743         (Output_data_group::Output_data_group): Adjust call to
3744         Output_section_data.
3745         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3746         (Output_symtab_xindex::do_write): Add array bound check.
3747         (Output_section::Input_section::print_to_mapfile): Handle
3748         RELAXED_INPUT_SECTION_CODE.
3749         (Output_section::Output_section): Initialize data member checkpoint_.
3750         (Output_section::~Output_section): Delete checkpoint object pointed
3751         by checkpoint_.
3752         (Output_section::add_input_section): Always add an Input_section if
3753         relaxing.
3754         (Output_section::add_merge_input_section): Add assert.
3755         (Output_section::relax_input_section): New method definition.
3756         (Output_section::set_final_data_size): Set load address to zero for
3757         an unallocated section.
3758         (Output_section::do_address_and_file_offset_have_reset_values):
3759         New method definition.
3760         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3761         Handle relaxed input section.
3762         (Output_section::sort_attached_input_sections): Checkpoint input
3763         section list lazily.
3764         (Output_section::get_input_sections): Change type of input_sections to
3765         list of Simple_input_section pointers.  Checkpoint input section list
3766         lazily.  Also handle relaxed input sections.
3767         (Output_section::add_input_section_for_script): Take a reference to
3768         a Simple_input_section object instead of Relobj pointer and section
3769         index as parameter.  Handle relaxed input sections.
3770         (Output_section::save_states, Output_section::restore_states): New
3771         method definitions.
3772         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3773         (Output_data::is_data_size_fixed): New method definition.
3774         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3775         if it is fixed.
3776         (Output_data::address_and_file_offset_have_reset_values): New method
3777         definition.
3778         (Output_data::do_address_and_file_offset_have_reset_values): New method
3779         definition.
3780         (Output_data::set_data_size): Check that data size is not fixed.
3781         (Output_data::fix_data_size): New method definition.
3782         (Output_data::is_data_size_fixed_): New data member.
3783         (Output_section_headers::set_final_data_size): New method definition.
3784         (Output_section_headers::do_size): New method declaration.
3785         (Output_segment_headers::set_final_data_size): New method definition.
3786         (Output_segment_headers::do_size): New method declaration.
3787         (Output_file_header::set_final_data_size)::New method definition.
3788         (Output_file_header::do_size)::New method declaration.
3789         (Output_section_data::Output_section_data): Add new parameter
3790         is_data_size_fixed and use it to fix data size.
3791         (Output_data_const::Output_data_const): Adjust call to base class
3792         constructor and fix data size.
3793         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3794         base class constructor and fix data size.
3795         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3796         base class constructor and fix data size.
3797         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3798         class constructor and fix data size.
3799         (Output_data_group::set_final_data_size): New method definition.
3800         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3801         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3802         class constructor and fix data size.
3803         (Output_relaxed_input_section): New class definition.
3804         (Output_section::Simple_input_section): New class definition.
3805         (Output_section::get_input_sections): Adjust parameter list.
3806         (Output_section::add_input_section_for_script): Same.
3807         (Output_section::save_states, Output_section::restore_states,
3808         Output_section::do_address_and_file_offset_have_reset_values,
3809         (Output_section::Input_section::Input_section): Handle
3810         RELAXED_INPUT_SECTION_CODE.  Add new overload for
3811         Output_relaxed_input_section.
3812         (Output_section::Input_section::is_input_section,
3813         Output_section::Input_section::set_output_section): Handle relaxed
3814         input section.
3815         (Output_section::Input_section::is_relaxed_input_section,
3816         Output_section::Input_section::output_section_data,
3817         Output_section::Input_section::relaxed_input_section): New method
3818         definitions.
3819         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3820         value.
3821         (Output_section::Input_section::u1_): Update comments.
3822         (Output_section::Input_section::u2_): Add new union member poris.
3823         (Output_section::Checkpoint_output_section): New classs definition.
3824         (Output_section::relax_input_section): New method declaration.
3825         (Output_section::checkpoint_): New data member.
3826         (Output_segment): Update comments.
3827         (Output_segment::Output_segment): Un-privatize copy constructor.
3828         (Output_segment::operator=): Un-privatize.
3829         * script-sections.cc (Output_section_element::Input_section_list):
3830         Change element type to Output_section::Simple_input_section.
3831         (Output_section_element_dot_assignment::set_section_addresses):
3832         Register output section data for relaxation clean up.
3833         (Output_data_exression::Output_data_expression): Adjust call to base
3834         constructor to fix data size.
3835         (Output_section_element_data::set_section_addresses): Register
3836         Output_data_expression object for relaxation clean up.
3837         (struct Input_section_info): Replace Relobj pointer and section index
3838         pair with Output_section::Simple_input_section and Convert struct to a
3839         class.
3840         (Input_section_sorter::operator()): Adjust access to
3841         Input_section_info data member to use accessors. 
3842         (Output_section_element_input::set_section_addresses): Use layout
3843         parameter.  Adjust code to use Output_section::Simple_input_section
3844         and Input_secction_info classes.  Register filler for relaxation
3845         clean up.
3846         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3847         and section index pair with Output_section::Simple_input_section
3848         class.  Adjust code accordingly.
3849         (Phdrs_element::release_segment): New method definition.
3850         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3851         segment list.
3852         (Script_sections::release_segments): New method definition.
3853         * gold/script-sections.h (Script_sections::release_segments): New
3854         method declaration.
3855         * gold/target.h (Target::may_relax, Target::relax,
3856         Target::do_may_relax, Target::do_relax): New method definitions.
3857
3858 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3859
3860         * arm.cc (has_signed_unsigned_overflow): New function.
3861         (Arm_relocate_functions::abs8): New function.
3862         (Target_arm::Scan::local): Handle R_ARM_ABS8.
3863         (Target_arm::Scan::global): Likewise.
3864         (Target_arm::relocate::relocate): Likewise.
3865         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3866         Likewise.
3867
3868 2009-09-16  Cary Coutant  <ccoutant@google.com>
3869
3870         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3871         * testsuite/Makefile.in: Regenerate.
3872
3873 2009-09-11  Nick Clifton  <nickc@redhat.com>
3874
3875         * po/gold.pot: Updated by the Translation project.
3876
3877 2009-09-08  Cary Coutant  <ccoutant@google.com>
3878
3879         * output.cc (Output_file::open): Add execute permission to empty file.
3880         * testsuite/Makefile.am (permission_test): New test.
3881         * testsuite/Makefile.in: Regenerate.
3882
3883 2009-09-02  Ian Lance Taylor  <iant@google.com>
3884
3885         * output.cc (Output_file::resize): Call map_no_anonymous rather
3886         than map.
3887
3888 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
3889
3890         * gold.cc: Include "incremental.h".
3891         (queue_initial_tasks): Call Incremental_checker methods.
3892         * incremental.cc: Include "output.h".
3893         (Incremental_checker::can_incrementally_link_output_file): New
3894         method.
3895         * incremental.h (Incremental_checker): New class.
3896
3897         * output.cc (Output_file::open_for_modification): New method.
3898         (Output_file::map_anonymous): Changed return type to bool.  Record
3899         map in base_ field.
3900         (Output_file::map_no_anonymous): New method, broken out of map.
3901         (Output_file::map): Use map_no_anonymous and map_anonymous.
3902         * output.h (class Output_file): Update declarations.
3903
3904 2009-08-24  Cary Coutant  <ccoutant@google.com>
3905
3906         * options.h (Command_line::Pre_options): New class.
3907         (Command_line::pre_options): New member.
3908         * options.cc (gold::options::ready_to_register): New variable.
3909         (One_option::register_option): Do nothing if not registering options.
3910         Assert if same short option registered twice.
3911         (General_options::General_options): Turn off option registration when
3912         done constructing.
3913         (Command_line::Pre_options::Pre_options): New constructor.
3914
3915 2009-08-24  Cary Coutant  <ccoutant@google.com>
3916
3917         * options.h (General_options::no_keep_memory): Remove incorrect
3918         short option.
3919
3920 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3921
3922         * Makefile.am (am__skiplex, am__skipyacc): New.
3923         * Makefile.in: Regenerate.
3924
3925 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3926
3927         * Makefile.am (AM_CPPFLAGS): Renamed from ...
3928         (INCLUDES): ... this.
3929         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3930         (AM_CPPFLAGS): Renamed from ...
3931         (INCLUDE): ... this.
3932         * Makefile.in, testsuite/Makefile.in: Regenerate.
3933
3934         * Makefile.in: Regenerate.
3935         * aclocal.m4: Likewise.
3936         * config.in: Likewise.
3937         * configure: Likewise.
3938         * testsuite/Makefile.in: Likewise.
3939
3940         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3941         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3942         * Makefile.in: Regenerate.
3943         * testsuite/Makefile.in: Regenerate.
3944
3945 2009-08-19  Cary Coutant  <ccoutant@google.com>
3946
3947         * resolve.cc (Symbol_table::resolve): Don't complain about defined
3948         symbols in shared libraries overridden by hidden or internal symbols
3949         in the main program.
3950
3951 2009-08-19  Chris Demetriou  <cgd@google.com>
3952
3953         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3954         checking source file names in error messages.
3955
3956 2009-08-18  Doug Kwan  <dougkwan@google.com>
3957
3958         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3959         an elcpp::Ehdr as parameter.  Adjust call to set_target.
3960         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3961         an elfcpp::Ehdr as parameter.
3962         * object.cc (Object::set_target): Remove the version that looks up
3963         a target and sets it.
3964         (Sized_relobj::setup): Take a Target object instead of
3965         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
3966         (make_elf_sized_object): Find target and ask target to
3967         make an ELF object.
3968         * object.h: (Object::set_target): Remove the version that looks up
3969         a target and sets it.
3970         (Sized_relobj::setup): Take a Target object instead of
3971         an elfcpp:Ehdr as parameter.
3972         * target.cc: Include dynobj.h.
3973         (Target::do_make_elf_object_implementation): New.
3974         (Target::do_make_elf_object): New.
3975         * target.h (Target::make_elf_object): New template declaration.
3976         (Target::do_make_elf_object): New method declarations.
3977         (Target::do_make_elf_object_implementation): New template declaration.
3978
3979 2009-08-14  Ian Lance Taylor  <iant@google.com>
3980
3981         * gold.h (FUNCTION_NAME): Define.
3982         (gold_unreachable): Use FUNCTION_NAME.
3983
3984 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3985
3986         * icf.cc (Icf::find_identical_sections): Issue a warning when a
3987         symbol in the --keep-unique list is not found.
3988
3989 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3990
3991         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3992         been maked as --keep-unique.
3993         (Icf::unfold_section): New function.
3994         * icf.h (Icf::unfold_section): New function.
3995         * options.h (General_options::keep_unique): New option.
3996         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3997         * testsuite/Makefile.in: Regenerate.
3998         * testsuite/icf_keep_unique_test.sh: New file.
3999         * testsuite/icf_keep_unique_test.cc: New file.
4000
4001 2009-08-12  Cary Coutant  <ccoutant@google.com>
4002
4003         PR 10471
4004         * resolve.cc (Symbol_table::resolve): Check for references from
4005         dynamic objects to hidden and internal symbols.
4006         * testsuite/Makefile.am (hidden_test.sh): New test.
4007         * testsuite/Makefile.in: Regenerate.
4008         * testsuite/hidden_test.sh: New script.
4009         * testsuite/hidden_test_1.c: New test source.
4010         * testsuite/hidden_test_main.c: New test source.
4011
4012 2009-08-11  Doug Kwan  <dougkwan@google.com>
4013
4014         * arm.cc: Update comments.
4015         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4016         segment to locate the .ARM.exidx section if present.
4017
4018 2009-08-09  Doug Kwan  <dougkwan@google.com>
4019
4020         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4021         patch.
4022
4023 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4024         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4025         compiler warnings.
4026
4027 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4028
4029         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4030         valid tls_segment only for non-debug-section relocations.
4031         * testsuite/Makefile.am: Add gc_tls_test.
4032         * testsuite/Makefile.in: Regenerate.
4033         * testsuite/gc_tls_test.cc: New file.
4034         * testsuite/gc_tls_test.sh: New file.
4035
4036 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4037         
4038         * icf.cc: New file.
4039         * icf.h: New file.
4040         * Makefile.am (CCFILES): Add icf.cc.
4041         (HFILES): Add icf.h
4042         * Makefile.in: Regenerate.
4043         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4044         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4045         section, symbol and addend information for the relocs.
4046         * gold.cc (queue_middle_tasks): Call identical code folding.
4047         * gold.h: Add defines for multimap.
4048         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4049         to the call of finalize_local_symbols.
4050         * main.cc (main): Create object of class Icf.
4051         * object.cc (Sized_relobj::do_layout): Allow this function to be
4052         called twice during icf.
4053         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4054         to sections marked as identical by icf.
4055         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4056         when available.
4057         (Sized_relobj::do_section_entsize): New function.
4058         * object.h (Object::section_entsize): New function.
4059         (Object::do_section_entsize): New pure virtual function.
4060         (Relobj::finalize_local_symbols): Add new parameter.
4061         (Relobj::do_section_entsize): New function.
4062         * options.h (General_options::icf): New option.
4063         (General_options::icf_iterations): New option.
4064         (General_options::print_icf_sections): New option.
4065         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4066         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4067         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4068         icf.
4069         * symtab.cc (Symbol_table::is_section_folded): New function.
4070         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4071         to sections marked as identical by icf.
4072         * symtab.h (Symbol_table::set_icf): New function.
4073         (Symbol_table::icf): New function.
4074         (Symbol_table::is_section_folded): New function.
4075         (Symbol_table::icf_): New data member.
4076         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4077         * testsuite/Makefile.am: Add commands to build icf_test.
4078         * testsuite/Makefile.in: Regenerate.
4079         * testsuite/icf_test.sh: New file.
4080         * testsuite/icf_test.cc: New file.
4081
4082 2009-07-24  Chris Demetriou  <cgd@google.com>
4083
4084         * layout.cc (is_compressible_debug_section): Fix incorrect
4085         comment about compressed section names.
4086
4087 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4088
4089         PR 10419
4090         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4091
4092 2009-07-16  Ian Lance Taylor  <iant@google.com>
4093
4094         PR 10400
4095         * layout.h: #include <map>.
4096         (class Kept_section): Change from struct to class.  Add accessors
4097         and setters.  Add section size to Comdat_group mapping.  Change
4098         Comdat_group to std::map.  Add is_comdat_ field.  Add
4099         linkonce_size field in union.
4100         (class Layout): Update declaration of find_or_add_kept_section.
4101         Don't declare find_kept_object.
4102         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4103         parameter.  Add object, shndx, is_comdat, and is_group_name
4104         parameters.  Change all callers.  Adjust for new Kept_section.
4105         (Layout::find_kept_object): Remove.
4106         * object.cc (Sized_relobj::include_section_group): Update use of
4107         Kept_section.  Rename secnum to shndx.  Only record
4108         Kept_comdat_section if sections are the same size.
4109         (Sized_relobj::include_linkonce_section): Update use of
4110         Kept_section.  Only record Kept_comdat_section if sections are the
4111         same size.  Set size of linkonce section.
4112         (Sized_relobj::map_to_kept_section): Update call to
4113         get_kept_comdat_section.
4114         * object.h (class Sized_relobj): Rename fields in
4115         Kept_comdat_section to drop trailing underscores; change object
4116         field to Relobj*.  Change Kept_comdat_section_table to store
4117         struct rather than pointer.
4118         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4119         Add kept_object and kept_shndx parameters.  Change all callers.
4120         (Sized_relobj::get_kept_comdat_section): Change return type to
4121         bool.  Add kept_object and kept_shndx parameters.  Change all
4122         callers.
4123         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4124         Layout::find_or_add_kept_section.
4125
4126 2009-07-09  Ian Lance Taylor  <iant@google.com>
4127
4128         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4129         Reserve space in the hash table.
4130
4131 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4132
4133         * fileread.cc (File_read::get_mtime): New method.
4134         * fileread.h (Timespec): New structure.
4135         (File_read::get_mtime): New method.
4136         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4137         Renamed from timestamp_nsec.
4138         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4139         Elf_Xword.
4140         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4141         timestamp_nsec.
4142         (Incremental_inputs::report_archive): Save mtime; style fix. 
4143         (Incremental_inputs::report_obejct): Save mtime; style fix.
4144         (Incremental_inputs::report_script): Save mtime; style fix.
4145         (Incremental_inputs::finalize_inputs): Style fix.
4146         (Incremental_inputs::finalize): Style fix.
4147         (Incremental_inputs::create_input_section_data): Store inputs
4148         mtime.
4149         * incremental.h (Incremental_inputs::report_script): Add mtime
4150         argument.
4151         (Incremental_inputs::Input_info::Input_info): Intialize only one
4152         union member.
4153         (Incremental_inputs::Input_info::archive): Move to nameless
4154         union.
4155         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4156         (Incremental_inputs::Input_info::script): Move to nameless union.
4157         (Incremental_inputs::mtime): New field.
4158         * script.cc (read_input_script): Pass file mtime to
4159         Incremental_input.
4160         * script.h (Script_info::inputs): Style fix.
4161
4162 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4163
4164         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4165         instead of 32.
4166
4167 2009-06-24  Ian Lance Taylor  <iant@google.com>
4168
4169         PR 10156
4170         * layout.cc (Layout::choose_output_section): If we find an
4171         existing section, update the flags.
4172         (Layout::create_notes): New function, broken out of
4173         Layout::finalize.
4174         (Layout::finalize): Don't create note sections.
4175         (Layout::create_note): Don't crash if linker script discards
4176         section.
4177         (Layout::create_gold_note): Likewise.
4178         (Layout::create_build_id): Likewise.  Don't set
4179         after_input_sections on the section.
4180         (Layout::create_executable_stack_info): Remove target parameter.
4181         Change caller.
4182         * layout.h (class Layout): Declare create_notes.  Update
4183         declaration of create_executable_stack_info.
4184         * gold.cc (queue_middle_tasks): Call create_notes.
4185         * output.cc (Output_section::update_flags_for_input_section): Move
4186         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4187         invalid.
4188         * output.h (Output_data::mark_address_invalid): New function.
4189         (class Output_section): Only declare, not define,
4190         update_flags_for_input_section.  Remove set_flags.
4191
4192 2009-06-24  Ian Lance Taylor  <iant@google.com>
4193
4194         * script-sections.cc (Output_section_definition::
4195         set_section_addresses): Rename shadowing local load_address to
4196         laddr.
4197
4198 2009-06-24  Ian Lance Taylor  <iant@google.com>
4199
4200         PR 10244
4201         * reloc.cc (relocate_sections): Skip empty relocation sections.
4202
4203 2009-06-23  Ian Lance Taylor  <iant@google.com>
4204
4205         PR 10156
4206         * layout.cc (Layout::create_note): Use choose_output_section
4207         rather than make_output_section.
4208
4209 2009-06-23  Ian Lance Taylor  <iant@google.com>
4210
4211         PR 10237
4212         * options.cc (General_options::parse_V): Set printed_version_.
4213         (General_options::General_options): Initialize printed_version_.
4214         * options.h (class General_options): Add printed_version_ field.
4215         * gold.cc (queue_initial_tasks): If there are no input files,
4216         don't give a fatal error if we printed the version information.
4217         (queue_middle_tasks): If using -r with a shared object, give a
4218         fatal error rather than an ordinary error.
4219
4220 2009-06-23  Ian Lance Taylor  <iant@google.com>
4221
4222         PR 10219
4223         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4224         (Layout::make_output_section): Set have_stabstr_section_ if we see
4225         a .stab*str section.
4226         (Layout::finalize): Call link_stabs_sections.
4227         (Layout::link_stabs_sections): New file.
4228         * layout.h (class Layout): Add have_stabstr_section_ field.
4229         Declare link_stabs_sections.
4230
4231 2009-06-23  Doug Kwan  <dougkwan@google.com>
4232
4233         * Makefile.am (libgold_a_LIBADD): New.
4234         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4235         * Makefile.in: Regenerate.
4236         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4237         * configure: Regenerate.
4238         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4239         * fileread.cc: Include sys/state.h
4240         * gold.h: Declare memmem and strndup if found missing.
4241         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4242
4243 2009-06-23  Ian Lance Taylor  <iant@google.com>
4244
4245         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4246         * configure: Rebuild.
4247
4248 2009-06-23  Ian Lance Taylor  <iant@google.com>
4249
4250         PR 10147
4251         * object.cc (Object::section_contents): Don't try to get a view if
4252         the section has length zero.
4253         (Object::handle_gnu_warning_section): If the section is empty, use
4254         the name of the section as the warning.
4255
4256 2009-06-23  Ian Lance Taylor  <iant@google.com>
4257
4258         PR 10133
4259         * stringpool.h (class Stringpool_template): Add optimize_ field.
4260         (Stringpool_template::set_optimize): New function.
4261         * stringpool.cc (Stringpool_template::Stringpool_template):
4262         Initialize optimize_ field.
4263         (Stringpool_template::set_string_offsets): Test local optimize
4264         fild rather than parameter.
4265         * layout.cc (Layout::Layout): Call set_optimize on the section
4266         name stringpool.
4267
4268 2009-06-22  Ian Lance Taylor  <iant@google.com>
4269
4270         PR 10030
4271         * yyscript.y: Parse TARGET.
4272         * script.cc (script_set_target): New function.
4273         * script-c.h (script_set_target): Declare.
4274         * options.cc (General_options::string_to_object_format): Rename
4275         from string_to_object_format in anonymous namespace.  Change
4276         callers.
4277         * options.h (class General_options): Declare
4278         string_to_object_format.
4279
4280 2009-06-22  Ian Lance Taylor  <iant@google.com>
4281
4282         * script-sections.cc (Script_sections::create_segments): Don't put
4283         program headers in a PT_LOAD segment if -n or -N.
4284
4285 2009-06-22  Ian Lance Taylor  <iant@google.com>
4286
4287         PR 10141
4288         * options.h (class General_options): Add -z lazy and -z now.  Sort
4289         -z options into alphabetical order.
4290         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4291
4292 2009-06-21  Ian Lance Taylor  <iant@google.com>
4293
4294         * layout.cc (Layout::make_output_section): Call
4295         Target::new_output_section.
4296         (Layout::attach_allocated_section_to_segment): Put large section
4297         sections in a separate load segment with the large segment flag
4298         set.
4299         (Layout::segment_precedes): Sort large data segments after other
4300         load segments.
4301         (align_file_offset): New static function.
4302         (Layout::set_segment_offsets): Use align_file_offset.
4303         * output.h (class Output_section): Add is_small_section_ and
4304         is_large_section_ fields.
4305         (Output_section::is_small_section): New function.
4306         (Output_section::set_is_small_section):  New function.
4307         (Output_section::is_large_section): New function.
4308         (Output_section::set_is_large_section): New function.
4309         (Output_section::is_large_data_section): New function.
4310         (class Output_segment): Add is_large_data_segment_ field.
4311         (Output_segment::is_large_data_segment): New function.
4312         (Output_segment::set_is_large_data_segment): New function.
4313         * output.cc (Output_section::Output_section): Initialize new
4314         fields.
4315         (Output_segment::Output_segment): Likewise.
4316         (Output_segment::add_output_section): Add assertion that large
4317         data sections always go in large data segments.  Force small data
4318         sections to the end of the list of data sections.  Force small BSS
4319         sections to the start of the list of BSS sections.  For large BSS
4320         sections to the end of the list of BSS sections.
4321         * symtab.h (class Symbol): Declare is_common_shndx.
4322         (Symbol::is_defined): Check Symbol::is_common_shndx.
4323         (Symbol::is_common): Likewise.
4324         (class Symbol_table): Define enum Commons_section_type.  Update
4325         declarations.  Add small_commons_ and large_commons_ fields.
4326         * symtab.cc (Symbol::is_common_shndx): New function.
4327         (Symbol_table::Symbol_table): Initialize new fields.
4328         (Symbol_table::add_from_object): Put small and large common
4329         symbols in the right list.
4330         (Symbol_table::sized_finalized_symbol): Check
4331         Symbol::is_common_shndx.
4332         (Symbol_table::sized_write_globals): Likewise.
4333         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4334         common symbol lists.  Don't call do_allocate_commons_list if the
4335         list is empty.
4336         (Symbol_table::do_allocate_commons_list): Remove is_tls
4337         parameter.  Add comons_section_type parameter.  Change all
4338         callers.  Handle small and large common symbols.
4339         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4340         Symbol::is_common_shndx.
4341         * resolve.cc (symbol_to_bits): Likewise.
4342         * target.h (Target::small_common_shndx): New function.
4343         (Target::small_common_section_flags): New function.
4344         (Target::large_common_shndx): New function.
4345         (Target::large_common_section_flags): New function.
4346         (Target::new_output_section): New function.
4347         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4348         small_common_section_flags, and large_common_section_flags
4349         fields.
4350         (Target::do_new_output_section): New virtual function.
4351         * arm.cc (Target_arm::arm_info): Initialize new fields.
4352         * i386.cc (Target_i386::i386_info): Likewise.
4353         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4354         Likewise.
4355         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4356         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4357         (Target_x86_64::do_new_output_section): New function.
4358         * configure.ac: Define conditional MCMODEL_MEDIUM.
4359         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4360         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4361         (large_LDFLAGS): Define.
4362         * testsuite/large.c: New file.
4363         * testsuite/testfile.cc (Target_test::test_target_info):
4364         Initialize new fields.
4365         * configure, testsuite/Makefile.in: Rebuild.
4366
4367 2009-06-05  Doug Kwan  <dougkwan@google.com>
4368
4369         * Makefile.am (CCFILES): Add target.cc.
4370         * Makefile.in: Regenerate. 
4371         * i386.cc (class Target_i386): Define new virtual method to
4372         override do_is_local_label_name in parent.
4373         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4374         local symbols if --discard-locals or -X is given.
4375         * options.h (class General_options): Declare new options
4376         '--discard-locals' and '-X' for discarding locals.
4377         * target.h (class Target): Define new methods is_local_label_name.
4378         Declare new virtual method do_is_local_label_name.
4379         * target.cc: New file.
4380         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4381         (check_SCRIPTS): Add discard_locals_test.sh.
4382         (check_DATA): Add discard_local_tests.syms.
4383         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4384         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4385         * testsuite/Makefile.in: Regenerate.
4386         * testsuite/discard_locals_test.c: New file.
4387         * testsuite/discard_locals_test.sh: Same.
4388
4389 2009-06-05  Doug Kwan  <dougkwan@google.com>
4390
4391         * object.cc (Sized_relobj::Sized_relobj): Initialize
4392         discarded_eh_frame_shndx_ to -1U.
4393         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4394         section.
4395         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4396         a discarded .eh_frame section.
4397         (Sized_relobj::do_finalize_local_symbols): Ditto.
4398         * object.h (class Sized_relobj): Declare new member
4399         discarded_eh_frame_shndx_.
4400         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4401         (local_labels_test.o, local_labels_test): New rules.
4402         * testsuite/Makefile.in: Regenerate.
4403
4404 2009-06-04  Doug Kwan  <dougkwan@google.com>
4405
4406         * layout.cc (Layout::section_name_mapping): Add mapping for
4407         special ARM sections.
4408
4409 2009-06-03  Doug Kwan  <dougkwan@google.com>
4410
4411         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4412         (utils::has_overflow): Same.
4413
4414 2009-06-03  Ian Lance Taylor  <iant@google.com>
4415
4416         * layout.cc (Layout::section_name_mapping): New array, replacing
4417         Layout::linkonce_mapping.
4418         (Layout::section_name_mapping_count): New variable, replacing
4419         Layout::linkonce_mapping_count.
4420         (Layout::linkonce_output_name): Remove.
4421         (Layout::output_section_name): Rewrite.
4422         * layout.h (class Layout): Rename Linkonce_mapping to
4423         Section_name_mapping, linkonce_mapping to section_name_mapping,
4424         linkonce_mapping_count to section_name_mapping_count.  Don't
4425         declare linkonce_output_name.
4426
4427 2009-06-03  Doug Kwan  <dougkwan@google.com>
4428
4429         * gold/arm.cc (namespace utils): New.
4430         (Target_arm::reloc_is_non_pic): Define new method.
4431         (class Arm_relocate_functions): New.
4432         (Target_arm::Relocate::relocate): Handle relocation types used by
4433         Android.
4434
4435 2009-06-03  Ian Lance Taylor  <iant@google.com>
4436
4437         * arm.cc (Target_arm::scan::global): Use || instead of |.
4438
4439 2009-06-02  Doug Kwan  <dougkwan@google.com>
4440
4441         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4442         issued_non_pic_error_.
4443         (class Target_arm::Scan): Declare new method check_non_pic.
4444         Define new method symbol_needs_plt_entry.
4445         Declare new data member issued_non_pic_error_.
4446         (class Target_arm::Relocate): Declare new method
4447         should_apply_static_reloc.
4448         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4449         (Target_arm::Scan::check_non_pic): Define new method.
4450         (Target_arm::Scan::local): Handle a small subset of reloc types used
4451         by Android.
4452         (Target_arm::Scan::local): Same.
4453         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4454
4455 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4456
4457         * incremental.cc (Incremental_inputs::report_command_line): Filter
4458         out --incremental-* options.
4459
4460 2009-05-29  Doug Kwan  <dougkwan@google.com>
4461
4462         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4463         template class.
4464         (class Target_arm): Update comment.
4465         (Target_arm::Target_arm): Initialize new data members GOT_,
4466         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4467         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4468         and Target_arm::rel_dyn_section.
4469         Declare new_enum Target_arm::Got_type.
4470         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4471         and DYNBSS_.
4472         Update commments for member do_dynsym_value.
4473         (Target_arm::got_size, Target_arm::plt_section,
4474         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4475         new methods inside class defintion.
4476         (Target_arm::got_section): Define new method.
4477         (Target_arm::rel_dyn_section): Same.
4478         (Output_data_plt_arm): New template class.
4479         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4480         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4481         (Output_data_plt_arm::add_entry): Same.
4482         (Output_data_plt_arm::first_plt_entry): Define new
4483         static data member for PLT instruction template.
4484         (Output_data_plt_arm::plt_entry): Same.
4485         (Output_data_plt_arm::do_write): Define new method.
4486         (Target_arm::make_plt_entry): Same.
4487         (Target_arm::do_finalize_sections): Same.
4488         (Target_arm::do_dynsym_value): Same.
4489
4490 2009-05-28  Doug Kwan  <dougkwan@google.com>
4491
4492         * Makefile.am (TARGETSOURCES): Add arm.cc.
4493         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4494         * Makefile.in: Regenerate.
4495         * arm.cc: New file.
4496         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4497
4498 2009-05-26  Doug Kwan  <dougkwan@google.com>
4499
4500         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4501         (General_options::check_excluded_libs): Strip off directories in
4502         archive name before matching like GNU ld does.
4503         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4504         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4505         (exclude_libs_test_LDFLAGS): Add linker option
4506         -Wl,--exclude-libs,libexclude_libs_test_3
4507         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4508         an explicit archive without using -l.
4509         (alt/libexclude_libs_test_3.a): New make rule.
4510         * testsuite/Makefile.in: Regenerate.
4511         * testsuite/exclude_libs_test.c : Declare lib3_default().
4512         (main): Call it.
4513         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4514         * exclude_libs_test_3.c: New file.
4515
4516 2009-05-26  Nick Clifton  <nickc@redhat.com>
4517
4518         * po/id.po: New Indonesian translation.
4519         * po/gold.pot: Updated template file.
4520
4521 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4522
4523         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4524         gc_comdat_test files.  Add -Wl,--gc-sections to build
4525         gc_comdat_test.
4526         * testsuite/Makefile.in: Regenerate.
4527         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4528
4529 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4530
4531         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4532         kept comdat section was garbage collected.
4533         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4534         * testsuite/Makefile.in: Regenerate.
4535         * testsuite/gc_comdat_test.sh: New file.
4536         * testsuite/gc_comdat_test_1.cc: New file.
4537         * testsuite/gc_comdat_test_2.cc: New file.
4538
4539 2009-05-19  Doug Kwan  <dougkwan@google.com>
4540
4541         * archive.cc (Archive::Archive): Move constructor from archive.h
4542         to here.  Initialize no_export_.
4543         (Archive::get_elf_object_for_member): Set no_export flag of object.
4544         * archive.h (Archive::Archive): Move constructor body to
4545         archive.cc.
4546         (Archive::no_export): New method.
4547         (Archive::no_export_): New field.
4548         * object.h (Object::Object): Initialize no_export_ to false.
4549         (Object::no_export, Object::set_no_export): New methods.
4550         (Object::no_export_): New field.
4551         * options.cc (General_options::parse_exclude_libs): New method.
4552         (General_options::check_excluded_libs) Same.
4553         * options.h (exclude_libs): New option.
4554         (General_options::check_excluded_libs): New method declaration.
4555         (General_options::excluded_libs_): New field.
4556         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4557         default or protected visibility if an object has no-export flag set.
4558         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4559         (check_SCRIPTS): Add exclude_libs_test.sh.
4560         (check_DATA): Add exclude_libs_test.syms.
4561         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4562         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4563         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4564         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4565         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4566         libexclude_libs_test_2.a): New rules.
4567         * testsuite/Makefile.in: Regenerate.
4568         * testsuite/exclude_libs_test.c: New file.
4569         * testsuite/exclude_libs_test.sh: Ditto.
4570         * testsuite/exclude_libs_test_1.c: Ditto.
4571         * testsuite/exclude_libs_test_2.c: Ditto.
4572
4573 2009-05-15  Ian Lance Taylor  <iant@google.com>
4574
4575         * configure.ac: Check for declarations for cases where libiberty.h
4576         checks HAVE_DECL_xxx.
4577         * configure, config.in: Rebuild.
4578
4579 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4580
4581         * gold.h (Incremental_argument_list): Remove (invalid) forward
4582         declaration.
4583         * incremental.cc (Incremental_inputs::report_achive): New method.
4584         (Incremental_inputs::report_object): New method.
4585         (Incremental_inputs::report_script): New method.
4586         (Incremental_inputs::finalize_inputs): New method.
4587         (Incremental_inputs::finalize): Call finalize_inputs().
4588         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4589         Create inputs entries.
4590         * incremental.h (Incremental_input_type): New enum.
4591         (Incremental_inputs::Incremental_input): Initialize new fields.
4592         (Incremental_inputs::report_inputs): New method.
4593         (Incremental_inputs::report_achive): New method.
4594         (Incremental_inputs::report_object): New method.
4595         (Incremental_inputs::report_script): New method.
4596         (Incremental_inputs::finalize_inputs): New method.
4597         (Incremental_inputs::Input_info): New struct.
4598         (Incremental_inputs::Input_info_map): New typedef.
4599         (Incremental_inputs::lock_): New field.
4600         (Incremental_inputs::Inputs_): New field.
4601         (Incremental_inputs::Inputs_map): New field.
4602         * main.cc (main): Call Incremental_input::report_inputs.
4603         * options.h (Input_argument_list): Typedef moved from
4604         Input_arguments.
4605         (Input_file_group::Files): Remove, use ::Input_argument_list.
4606         (Input_file_group::Input_argument_list): Remove, use
4607         ::Input_argument_list.
4608         * plugin.cc (Plugin_manager::add_input_file): Add error in
4609         incremental build.
4610         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4611         functions.
4612         * script.cc (read_input_script): Call
4613         Incremental_input::report_script.
4614         * script.h (Script_info): New class.
4615
4616 2009-04-27  Ian Lance Taylor  <iant@google.com>
4617
4618         * x86_64.cc (do_adjust_output_section): Set entsize to
4619         plt_entry_size.
4620
4621 2009-04-23  Elliott Hughes  <enh@google.com>
4622
4623         * output.cc (Output_file::close): After short writes, continue
4624         writing from the correct offset in the buffer being written.
4625
4626 2009-04-23  Chris Demetriou  <cgd@google.com>
4627
4628         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4629         * configure: Regenerate.
4630         * config.in: Regenerate.
4631         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4632         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4633
4634 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4635
4636         * incremental.cc (Incremental_inputs_header_data): Renamed from
4637         Incremental_input_header_data.
4638         (Incremental_inputs_header_data::data_size): New field.
4639         (Incremental_inputs_header_data::put_input_file_count): Renamed
4640         from input_file_count.
4641         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4642         from command_line_offset.
4643         (Incremental_inputs_header_data::put_reserved): Renamed from
4644         put_reserved.
4645         (Incremental_inputs_entry_data): Renamed from
4646         Incremental_input_entry_data.
4647         (Incremental_inputs_entry_data::data_size): New field.
4648         (Incremental_inputs::report_command_line): New method.
4649         (Incremental_inputs::finalize): New method.
4650         (Incremental_inputs::create_incremental_inputs_data): New method.
4651         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4652         * incremental.h: New file.
4653         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4654        (Layout::finalize): Create incremental inputs section in
4655         incremental builds.
4656        (Layout::create_incremental_info_sections): New method.
4657         * layout.h (Layout::incremental_inputs): New method.
4658        (Layout::create_incremental_info_sections): New method.
4659        (Layout::incremental_inputs_): New field.
4660         * main.cc (main): Notify Incremental_input of the command line.
4661
4662 2009-04-01  Ian Lance Taylor  <iant@google.com>
4663             Mikolaj Zalewski  <mikolajz@google.com>
4664
4665         * gold.h (reserve_unordered_map): Define, three versions, one for
4666         each version of Unordered_map.
4667         * layout.cc (Layout::Layout): Remove options parameter.  Add
4668         number_of_input_files parameter.  Don't initialize options_.
4669         Initialize number_of_input_files_ and resized_signatures_.  Move
4670         sections_are_attached_.
4671         (Layout::layout_group): Reserve space for group_signatures_.
4672         (Layout::find_or_add_kept_section): Change name parameter to be a
4673         reference.  Resize signatures_ map when it gets large enough.
4674         (Layout::layout_eh_frame): Use parameters->options() instead of
4675         this->options_.
4676         (Layout::make_output_section): Likewise.
4677         (Layout::attach_allocated_section_to_segment): Likewise.
4678         (Layout::finalize, Layout::create_executable_stack): Likewise.
4679         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4680         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4681         * layout.h (class Layout): Update declarations.  Remove options_
4682         field.  Add number_of_input_files_ and resized_signatures_
4683         fields.  Move sections_are_attached_ field.
4684         * main.cc (main): Pass number of input files to Layout
4685         constructor.  Don't pass options.
4686
4687 2009-03-30  Ian Lance Taylor  <iant@google.com>
4688
4689         * ffsll.c (ffsll): Correct implementation.
4690
4691 2009-03-27  Ian Lance Taylor  <iant@google.com>
4692
4693         * ffsll.c: New file.
4694         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4695         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4696         * ftruncate.c (ftruncate): Declare before definition.
4697         * mremap.c (mremap): Likewise.
4698         * pread.c (pread): Likewise.
4699         * configure, Makefile.in, config.in: Rebuild.
4700
4701         * mremap.c: New file.
4702         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4703         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4704         (mremap): Declare if HAVE_MREMAP is not defined.
4705         * configure, Makefile.in, config.in: Rebuild.
4706
4707 2009-03-27  Cary Coutant  <ccoutant@google.com>
4708
4709         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4710         position independent.
4711         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4712         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4713
4714 2009-03-24  Cary Coutant  <ccoutant@google.com>
4715
4716         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4717         an executable.
4718         (needs_dynamic_reloc): Likewise.
4719
4720 2009-03-24  Ian Lance Taylor  <iant@google.com>
4721
4722         * yyscript.y (file_cmd): Recognize EXTERN.
4723         (extern_name_list, extern_name_list_body): New nonterminals.
4724         * script.cc (script_add_extern): Define.
4725         * script-c.h (script_add_extern): Declare.
4726
4727 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4728
4729         * object.cc (is_elf_object): Define.
4730         * object.h (is_elf_object): Declare.
4731         * archive.cc (Archive::get_elf_object_for_member): Call
4732         is_elf_object.
4733         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4734
4735 2009-03-24  Elliott Hughes  <enh@google.com>
4736
4737         * output.cc (Output_file::map_anonymous): Define.
4738         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4739         try an anonymous one.  Report the size if the mmap fails.
4740         * output.h (class Output_file): Declare map_anonymous.
4741
4742 2009-03-24  Ian Lance Taylor  <iant@google.com>
4743
4744         * target-select.cc (instantiate_target): Don't acquire the lock if
4745         the instantiated_target_ field has already been set.
4746
4747 2009-03-23  Ian Lance Taylor  <iant@google.com>
4748
4749         * gold-threads.h (class Initialize_lock): Define.
4750         * gold-threads.cc (class Initialize_lock_once): Define.
4751         (initialize_lock_control): New static variable.
4752         (initialize_lock_pointer): New static variable.
4753         (initialize_lock_once): New static function.
4754         (Initialize_lock::Initialize_lock): Define.
4755         (Initialize_lock::initialize): Define.
4756         * target-select.h: Include "gold-threads.h".
4757         (class Target_selector): Add lock_ and initialize_lock_ fields.
4758         Don't define instantiate_target, just declare it.
4759         * target-select.cc (Target_selector::Target_selector): Initialize
4760         new fields.
4761         (Target_selector::instantiate_target): Define.
4762         * descriptors.h: Include "gold-threads.h".
4763         (class Descriptors): Add initialize_lock_ field.
4764         * descriptors.cc (Descriptors::Descriptors): Initialize new
4765         field.
4766         (Descriptors::open): Use initialize_lock_ field
4767         * errors.h (class Errors): Add initialize_lock_ field.
4768         * errors.cc (Errors::Errors): Initialize new field.
4769         (Errors::initialize_lock): Use initialize_lock_ field.
4770         * powerpc.cc (class Target_selector_powerpc): Remove
4771         instantiated_target_ field.  In do_recognize call
4772         instantiate_target rather than do_instantiate_target.  In
4773         do_instantiate_target just allocate a new target.
4774         * sparc.cc (class Target_selector_sparc): Likewise.
4775
4776         * freebsd.h: New file.
4777         * i386.cc: Include "freebsd.h".
4778         (Target_i386): Derive from Target_freebsd rather than
4779         Sized_target.
4780         (Target_selector_i386): Derive from Target_selector_freebsd rather
4781         than Target_selector.
4782         * x86_64.cc: Include "freebsd.h".
4783         (Target_x86_64): Derive from Target_freebsd rather than
4784         Sized_target.
4785         (Target_selector_x86_64): Derive from Target_selector_freebsd
4786         rather than Target_selector.
4787         * target.h (class Target): Add adjust_elf_header and
4788         do_adjust_elf_header.
4789         * output.cc (Output_file_header:: do_sized_write): Call target
4790         adjust_elf_header routine.
4791         * configure.tgt: Set targ_osabi.
4792         * configure.ac: Define GOLD_DEFAULT_OSABI.
4793         * parameters.cc (Parameters::default_target): Pass
4794         GOLD_DEFAULT_OSABI to select_target.
4795         * target-select.h (class Target_selector): Make instantiate_target
4796         protected rather than private.
4797         * Makefile.am (HFILES): Add freebsd.h.
4798         * configure, Makefile.in, config.in: Rebuild.
4799
4800         * merge.cc (do_add_input_section): Correct pend value.  Change
4801         message about last entry not being null terminated from error to
4802         warning.
4803
4804 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4805
4806         * incremental.cc: New file.
4807         * Makefile.am (CCFILES): Add incremental.cc.
4808         * Makefile.in: Rebuild.
4809
4810 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
4811
4812         * layout.cc (Layout::output_section_name): Preserve names
4813         of '.note.' sections.
4814         
4815 2009-03-19  Ian Lance Taylor  <iant@google.com>
4816
4817         * descriptors.cc (Descriptors::open): Check that the options are
4818         valid before using them.
4819
4820 2009-03-18  Ian Lance Taylor  <iant@google.com>
4821
4822         * script-sections.h: Include <list>.
4823         (class Script_sections): Change Sections_elements from std::vector
4824         to std::list.  Typedef public Elements_iterator.  Add
4825         orphan_section_placement_, data_segment_align_start_, and
4826         saw_data_segment_align_ fields.  Remove data_segment_align_index_
4827         field.
4828         * script-sections.cc (class Orphan_section_placement): New class.
4829         (class Sections_element): Add virtual functions is_relro and
4830         orphan_section_init.  Remove virtual function place_orphan_here.
4831         (class Output_section_definition): Add is_relro and
4832         orphan_section_init.  Remove place_orphan_here.
4833         (class Orphan_output_section): Likewise.
4834         (Script_sections::Script_sections): Update for field changes.
4835         (Script_sections::data_segment_align): Set saw_data_segment_align_
4836         and data_segment_align_start_, not data_segment_align_index.
4837         (Script_sections::data_segment_relro_end): Check
4838         saw_data_segment_align_.  Use data_segment_align_start_ rather
4839         than data_segment_align_index_.
4840         (Script_sections::place_orphan): Rewrite to use
4841         Orphan_section_placement.
4842
4843 2009-03-17  Ian Lance Taylor  <iant@google.com>
4844
4845         * archive.cc (Archive::add_symbols): Check for a version attached
4846         to the symbol name in the archive map.
4847         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4848         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4849         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4850         (ver_test_11.a): New target.
4851         * testsuite/Makefile.in: Rebuild.
4852
4853         * configure.ac: Check for chsize and posix_fallocate.  Replace
4854         ftruncate.
4855         * ftruncate.c: New file, from gnulib.
4856         * output.cc (posix_fallocate): Define dummy version if not
4857         HAVE_POSIX_FALLOCATE.
4858         (Output_file::map): Call posix_fallocate rather than lseek and
4859         write.
4860         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4861         * configure, Makefile.in, config.in: Rebuild.
4862
4863 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
4864         
4865         * layout.h (Layout::create_note): Add section_name parameter.
4866         * layout.cc (Layout::create_note): Likewise.
4867         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4868         
4869 2009-03-17  Ian Lance Taylor  <iant@google.com>
4870
4871         * descriptors.cc: Include "options.h".
4872         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4873         (Descriptors::open): Always use O_CLOEXEC when opening a new
4874         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
4875         then set FD_CLOEXEC.
4876
4877         * sparc.cc (class Target_sparc): Add has_got_section.
4878         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4879         make sure we have a GOT section.
4880
4881         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4882         (Target_sparc::Scan::local): Likewise.
4883         (Target_sparc::Scan::global): Likewise.
4884         (Target_sparc::Relocate::relocate): Likewise.
4885         (Target_sparc::Relocate::relocate_tls): Likewise.
4886
4887         * symtab.cc (Symbol_table::define_default_version): New function,
4888         broken out of add_from_object.
4889         (Symbol_table::add_from_object): Call define_default_version.
4890         (Symbol_table::define_special_symbol): Add resolve_oldsym
4891         parameter.  Change all callers.  If the version for a symbol comes
4892         from a version script, resolve it with the symbol with the same
4893         name with no version.  Also add the symbol without a version if
4894         appropriate.
4895         (do_define_in_output_data): If resolving with oldsym, don't delete
4896         sym.
4897         (do_define_in_output_segment): Likewise.
4898         (do_define_as_constant): Likewise.
4899         * symtab.h (class Symbol_table): Update declarations.
4900
4901 2009-03-13  Ian Lance Taylor  <iant@google.com>
4902
4903         * readsyms.cc (Read_symbols::incompatible_warning): New function.
4904         (Read_symbols::requeue): New function.
4905         (Read_symbols::do_read_symbols): If make_elf_object fails because
4906         the target type is not configured, and the file was searched for,
4907         issue a warning and retry with the next directory.
4908         (Add_symbols::run): If the file has an incompatible format, and
4909         it was searched for, requeue the Read_symbols task.  On error,
4910         release the object.
4911         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
4912         dirindex parameter to constructor.  Change all callers.  Declare
4913         incompatible_warning and requeue.
4914         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4915         input_argument_ and input_group_ fields.  Add them to
4916         constructor.  Change all callers.
4917         (class Read_script): Add dirindex_ field.  Add it to constructor.
4918         Change all callers.
4919         * archive.cc (Archive::setup): Remove input_objects parameter.
4920         Change all callers.
4921         (Archive::get_file_and_offset): Likewise.
4922         (Archive::read_all_symbols): Likewise.
4923         (Archive::read_symbols): Likewise.
4924         (Archive::get_elf_object_for_member): Remove input_objects
4925         parameter.  Add punconfigured parameter.  Change all callers.
4926         (Archive::add_symbols): Change return type to bool.  Check return
4927         value of include_member.
4928         (Archive::include_all_members): Likewise.
4929         (Archive::include_member): Change return type to bool.  Return
4930         false if first included object has incompatible target.  Set
4931         included_member_ field.
4932         (Add_archive_symbols::run): If add_symbols returns false, requeue
4933         Read_symbols task.
4934         * archive.h (class Archive): Add included_member_ field.
4935         Initialize it in constructor.  Add input_file and searched_for
4936         methods.  Update declarations.
4937         (class Add_archive_symbols): Add dirpath_, dirindex_, and
4938         input_argument_ fields.  Add them to constructor.  Change all
4939         callers.
4940         * script.cc: Include "target-select.h".
4941         (class Parser_closure): Add skip_on_incompatible_target_ and
4942         found_incompatible_target_ fields.  Add
4943         skip_on_incompatible_target parameter to constructor.  Change all
4944         callers.  Add methods skip_on_incompatible_target,
4945         clear_skip_on_incompatible_target, found_incompatible_target, and
4946         set_found_incompatible_target.
4947         (read_input_script): Add dirindex parameter.  Change all callers.
4948         If parser finds an incompatible target, requeue Read_symbols
4949         task.
4950         (script_set_symbol): Clear skip_on_incompatible_target in
4951         closure.
4952         (script_add_assertion, script_parse_option): Likewise.
4953         (script_start_sections, script_add_phdr): Likewise.
4954         (script_check_output_format): New function.
4955         * script.h (read_input_script): Update declaration.
4956         * script-c.h (script_check_output_format): Declare.
4957         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4958         (ignore_cmd): Remove OUTPUT_FORMAT.
4959         * fileread.cc (Input_file::Input_file): Add explicit this.
4960         (Input_file::will_search_for): New function.
4961         (Input_file::open): Add pindex parameter.  Change all callers.
4962         * fileread.h (class Input_file): Add input_file_argument method.
4963         Declare will_search_for.  Update declarations.
4964         * object.cc (make_elf_object): Add punconfigured parameter.
4965         Change all callers.
4966         * object.h (class Object): Make input_file public.  Add
4967         searched_for method.
4968         (make_elf_object): Update declaration.
4969         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
4970         restart search.
4971         * dirsearch.h (class Dirsearch): Update declaration.
4972         * options.h (class General_options): Add --warn-search-mismatch.
4973         * parameters.cc (Parameters::is_compatible_target): New function.
4974         * parameters.h (class Parameters): Declare is_compatible_target.
4975         * workqueue.cc (Workqueue::add_blocker): New function.
4976         * workqueue.h (class Workqueue): Declare add_blocker.
4977
4978         * fileread.cc (Input_file::open): Remove options parameter.
4979         Change all callers.
4980         (Input_file::open_binary): Likewise.
4981         * script.cc (read_input_script): Likewise.
4982         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
4983         options parameter from constructor.  Change all callers.
4984         (class Read_script): Likewise.
4985         * fileread.h (class Input_file): Update declarations.
4986         * script.h (read_input_script): Update declaration.
4987
4988 2009-03-10  Nick Clifton  <nickc@redhat.com>
4989
4990         * po/es.po: New Spanish translation.
4991
4992 2009-03-06  Cary Coutant  <ccoutant@google.com>
4993
4994         * options.cc (parse_short_option): Keep dash_z from registering itself.
4995
4996 2009-03-03  Ian Lance Taylor  <iant@google.com>
4997
4998         PR 9918
4999         * target-reloc.h (relocate_section): Pass output_section to
5000         relocate.
5001         * i386.cc (Target_i386::should_apply_static_reloc): Add
5002         output_section parameter.  Change all callers.
5003         (Target_i386::Relocate::relocate): Add output_section parameter.
5004         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5005         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5006         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5007         * testsuite/two_file_shared.sh: New script.
5008         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5009         (check_DATA): Add two_file_shared.dbg.
5010         (two_file_shared.dbg): New target.
5011         * testsuite/Makefile.in: Rebuild.
5012
5013 2009-03-01  Ian Lance Taylor  <iant@google.com>
5014
5015         * configure.ac: Check for byteswap.h.
5016         * configure: Rebuild.
5017         * config.in: Rebuild.
5018
5019 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5020
5021         * layout.cc (Layout::find_or_add_kept_section): New function.
5022         (Layout::add_comdat): Removed.
5023         * layout.h (struct Kept_section): Move out of class Layout.
5024         Remove trailing underscores from field names.  Add group_sections
5025         field.  Rename group_ field to is_group.  Change all uses.
5026         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5027         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5028         comdat_groups_ field.
5029         (Sized_relobj::include_section_group): Use
5030         find_or_add_kept_section and Kept_section::group_sections.
5031         (Sized_relobj::include_linkonce_section): Likewise.
5032         * object.cc (class Sized_relobj): Don't define Comdat_group or
5033         Comdat_group_table.  Remove find_comdat_group and
5034         add_comdat_group.  Remove comdat_groups_ field.
5035         * plugin.cc (include_comdat_group): Use
5036         Layout::find_or_add_kept_section.
5037
5038 2009-02-28  Ian Lance Taylor  <iant@google.com>
5039
5040         * README: --gc-sections and map files are now supported.  Document
5041         some build requirements.
5042
5043         PR 6992
5044         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5045         relocatable link set the value of the section symbol to zero.
5046         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5047         relocatable link don't include the section address in the local
5048         symbol value.
5049
5050 2009-02-27  Ian Lance Taylor  <iant@google.com>
5051
5052         PR 6811
5053         * options.h (class Search_directory): Add is_system_directory.
5054         (class General_options): Declare is_in_system_directory.
5055         * options.cc (get_relative_sysroot): Make static.
5056         (get_default_sysroot): Make static.
5057         (General_optoins::is_in_system_directory): New function.
5058         * fileread.cc (Input_file::is_in_system_directory): New function.
5059         * fileread.h (class Input_file): Declare is_in_system_directory.
5060         * object.h (class Object): Add is_in_system_directory.
5061         (class Input_objects): Remove system_library_directory_ field.
5062         * object.cc (Input_objects::add_object): Don't set
5063         system_library_directory_.
5064         (input_objects::found_in_system_library_directory): Remove.
5065         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5066         parameter.  Change all callers.
5067         (Symbol_table::sized_write_globals): Likewise.
5068         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5069         Call Object::is_in_system_directory.
5070         * symtab.h (class Symbol_table): Update declarations.
5071
5072         PR 5990
5073         * descriptors.h (Open_descriptor): Add is_on_stack field.
5074         * descriptors.cc (Descriptors::open): If the descriptor is on the
5075         top of the stack, remove it.  Initialize is_on_stack field.
5076         (Descriptors::release): Only add pod to stack if it is not on the
5077         stack already.
5078         (Descriptors::close_some_descriptor): Clear stack_next and
5079         is_on_stack fields.
5080
5081         PR 7091
5082         * output.cc (Output_section::find_starting_output_address): Rename
5083         from starting_output_address; add PADDR parameter; change return
5084         type.
5085         * output.h (class Output_section): Declare
5086         find_starting_output_address instead of starting_output_address.
5087         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5088         section symbol for which we can't find a merge section.
5089
5090         PR 9836
5091         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5092         hidden or internal, force the symbol to be local.
5093         * resolve.cc (Symbol::override_visibility): Define.
5094         (Symbol::override_base): Use override_visibility.
5095         (Symbol_table::resolve): Likewise.
5096         (Symbol::override_base_with_special): Likewise.
5097         (Symbol_table::override_with_special): If the visibility is hidden
5098         or internal, force the symbol to be local.
5099         * symtab.h (class Symbol): Add set_visibility and
5100         override_visibility.
5101         * testsuite/ver_test_1.sh: New file.
5102         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5103         (check_DATA): Add ver_test_1.syms.
5104         (ver_test_1.syms): New target.
5105         * testsuite/Makefile.in: Rebuild.
5106
5107 2009-02-25  Cary Coutant  <ccoutant@google.com>
5108
5109         * layout.cc (Layout::choose_output_section): Don't rename sections
5110         when using a linker script that has a SECTIONS clause.
5111         * Makefile.in: Regenerate.
5112
5113         * testsuite/Makefile.am (script_test_5.sh): New test case.
5114         * testsuite/Makefile.in: Regenerate.
5115         * testsuite/script_test_5.cc: New file.
5116         * testsuite/script_test_5.sh: New file.
5117         * testsuite/script_test_5.t: New file.
5118
5119 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5120
5121         * archive.cc (Archive::include_member): Update calls to add_symbols.
5122         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5123         the Layout argument.
5124         * dynobj.h (do_add_symbols): Add the Layout argument.
5125         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5126         Layout argument.
5127         * object.h (Object::add_symbols): Add the Layout argument.
5128         (Object::do_add_symbols): Add the Layout argument.
5129         (Sized_relobj::do_add_symbols): Add the Layout argument.
5130         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5131         Unify the two versions.
5132         (Add_plugin_symbols): Remove.
5133         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5134         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5135         (Add_plugin_symbols): Remove.
5136         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5137         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5138         (Add_symbols::run): Make it work with Pulginobj.
5139
5140 2009-02-06  Ian Lance Taylor  <iant@google.com>
5141
5142         * object.cc (Sized_relobj::do_layout): Make info message start
5143         with lower case letter.
5144
5145 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5146
5147         * binary.cc: Fix file comment.
5148
5149         * options.h (enum Incremental_disposition): Define.
5150         (class General_options): Add new options: --incremental,
5151         --incremental_changed, --incremental_unchanged,
5152         --incremental_unknown.  Add incremental_disposition_ and
5153         implicit_incremental_ fields.
5154         (General_options::incremental_disposition): New function.
5155         (class Position_dependent_options): Add incremental_disposition
5156         option.
5157         (Position_dependent_options::copy_from_options): Set incremental
5158         dispositions.
5159         * options.cc (General_options::parse_incremental_changed): New
5160         function.
5161         (General_options::parse_incremental_unchanged): New function.
5162         (General_options::parse_incremental_unknown): New function.
5163         (General_options::General_options): Initialize new fields
5164         incremental_disposition_ and implicit_incremental_.
5165         (General_options::finalize): Check for uasge of --incremental-*
5166         without --incremental.
5167
5168 2009-02-06  Chris Demetriou  <cgd@google.com>
5169
5170         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5171         pointer and to report location as the file name associated with
5172         the symbol.
5173         (gold_undefined_symbol_at_location): New function to replace the
5174         old gold_undefined_symbol functionality.
5175         * target-reloc.h (relocate_section): Update to use
5176         gold_undefined_symbol_at_location.
5177         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5178         Call gold_undefined_symbol function rather than gold_error.
5179         * errors.h (Errors::undefined_symbol): Take location as a
5180         string, rather than calculating it from a relocation.
5181         * errors.cc (Errors::fatal): Print "fatal error:" before the
5182         formatted message.
5183         (Errors::error, Errors::error_at_location): Print "error: "
5184         before the formatted message.
5185         (Errors::undefined_symbol): Take location as a string, rather
5186         than calculating it from a relocation.
5187         (gold_undefined_symbol_at_location): New function akin to
5188         old gold_undefined_symbol, calculates location from relocation.
5189         (gold_undefined_symbol): Change to take only a Symbol pointer
5190         and to report location as the file name associated with the symbol.
5191         * testsuite/debug_msg.sh: Update for changed error messages.
5192         * testsuite/undef_symbol.sh: Likewise.
5193
5194 2009-02-04  Duncan Sands  <baldrick@free.fr>
5195
5196         PR 9812
5197         * reduced_debug_output.h
5198         (Output_reduced_debug_abbrev_section::failed): Use format for
5199         gold_warning.
5200         (Output_reduced_debug_info_section::faild): Likewise.
5201
5202 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5203
5204         * script.cc (Lazy_demangler): New class.
5205         (Version_script_info::get_symbol_version_helper): Demangle a
5206         symbol only once.
5207
5208 2009-01-29  Cary Coutant  <ccoutant@google.com>
5209
5210         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5211         to __tls_get_addr.
5212         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5213
5214 2009-01-28  Ian Lance Taylor  <iant@google.com>
5215
5216         * version.cc (version_string): Bump to 1.9.
5217
5218         * gold.h: Include <cstring> and <stdint.h>.
5219         * version.cc: Include <cstdio>.
5220         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5221         warning.
5222         * reduced_debug_output.cc (insert_into_vector): Rename from
5223         Insert_into_vector; change all callers.  Use Swap_unaligned to
5224         avoid aliasing issue; remove union since it is unnecessary.
5225
5226 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5227
5228         * Makefile.am (CCFILES): Add gc.cc.
5229         (HFILES): Add gc.h.
5230         * Makefile.in: Regenerate.
5231         * gold.cc (Gc_runner): New class.
5232         (queue_initial_tasks): Call garbage collection related tasks
5233         when corresponding options are invoked.
5234         (queue_middle_gc_tasks): New function.
5235         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5236         processed early before laying out sections during garbage collection.
5237         * gold.h (queue_middle_gc_tasks): New function.
5238         (is_prefix_of): Move from "layout.cc".
5239         * i386.cc (Target_i386::gc_process_relocs): New function.
5240         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5241         * main.cc (main): Create object of class "Garbage_collection".
5242         * object.cc (Relobj::copy_symbols_data): New function.
5243         (Relobj::is_section_name_included): New function.
5244         (Sized_relobj::do_layout): Allow this function to be called twice 
5245         during garbage collection and defer layout of section during the 
5246         first call.
5247         * object.h (Relobj::get_symbols_data): New function.
5248         (Relobj::is_section_name_included): New function.
5249         (Relobj::copy_symbols_data): New function.
5250         (Relobj::set_symbols_data): New function.
5251         (Relobj::get_relocs_data): New function.
5252         (Relobj::set_relocs_data): New function.
5253         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5254         (Relobj::gc_process_relocs): New function.
5255         (Relobj::do_gc_process_relocs): New pure virtual function.
5256         (Relobj::sd_): New data member.
5257         (Sized_relobj::is_output_section_offset_invalid): New function.
5258         (Sized_relobj::do_gc_process_relocs): New function.
5259         * options.h (General_options::gc_sections): Modify to not be a no-op.
5260         (General_options::print_gc_sections): New option.
5261         * plugin.cc (Plugin_finish::run): Remove function call to
5262         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5263         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5264         * reloc.cc (Read_relocs::run): Add task to process relocs and
5265         determine unreferenced sections when doing garbage collection.
5266         (Gc_process_relocs): New class.
5267         (Sized_relobj::do_gc_process_relocs): New function.
5268         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5269         sections that are garbage collected.
5270         * reloc.h (Gc_process_relocs): New class.
5271         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5272         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5273         symbols whose corresponding sections are garbage collected.
5274         (Symbol_table::Symbol_table): Add new parameter for the garbage
5275         collection object.
5276         (Symbol_table::gc_mark_undef_symbols): New function.
5277         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5278         (Symbol_table::gc_mark_dyn_syms): New function.
5279         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5280         as garbage.
5281         (Symbol_table::add_from_object): Likewise.
5282         (Symbol_table::add_from_relobj): When building shared objects, do not
5283         treat externally visible symbols as garbage.
5284         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5285         table information for static and relocatable links.
5286         * symtab.h (Symbol_table::set_gc): New function.
5287         (Symbol_table::gc): New function.
5288         (Symbol_table::gc_mark_undef_symbols): New function.
5289         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5290         (Symbol_table::gc_mark_dyn_syms): New function.
5291         (Symbol_table::gc_): New data member.
5292         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5293         function.
5294         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5295         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5296
5297 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5298
5299         * options.h (General_options::gc_sections): Define as a no-op for now.
5300         (General_options::no_keep_memory): Ditto.
5301         (General_options::Bshareable): Define.
5302         * options.cc (General_options::finalize): Honor -Bshareable.
5303
5304 2009-01-20  Andreas Schwab  <schwab@suse.de>
5305
5306         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5307         read the value in the contents, since we don't use it.  Use the
5308         template endianness when writing.
5309         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5310
5311 2009-01-19  Andreas Schwab  <schwab@suse.de>
5312
5313         * configure.tgt (powerpc64-*): Fix targ_obj.
5314
5315 2009-01-15  Ian Lance Taylor  <iant@google.com>
5316
5317         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5318         local symbols when stripping all symbols.
5319
5320 2009-01-14  Cary Coutant  <ccoutant@google.com>
5321
5322         * output.cc (Output_reloc): Add explicit instantiations.
5323
5324 2009-01-14  Cary Coutant  <ccoutant@google.com>
5325
5326         * archive.cc (Archive::get_elf_object_for_member): Remove call
5327         to File_read::claim_for_plugin.
5328         * descriptors.cc (Descriptors::open): Remove reference to
5329         is_claimed.
5330         (Descriptors::claim_for_plugin): Remove.
5331         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5332         (Descriptors::is_claimed): Remove.
5333         (claim_descriptor_for_plugin): Remove.
5334         * fileread.cc (File_read::claim_for_plugin): Remove.
5335         * fileread.h (File_read::claim_for_plugin): Remove.
5336         (File_read::descriptor): Reopen descriptor if necessary.
5337         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5338         (Plugin_manager::all_symbols_read): Add task parameter. Change
5339         all callers.
5340         (Plugin_manager::get_input_file): New function.
5341         (Plugin_manager::release_input_file): New function.
5342         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5343         corresponding data member.
5344         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5345         and pass to base constructor. Change all callers.
5346         (get_input_file, release_input_file): New functions.
5347         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5348         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5349         (Plugin_manager::all_symbols_read): Add task parameter.
5350         (Plugin_manager::get_input_file): New function.
5351         (Plugin_manager::release_input_file): New function.
5352         (Plugin_manager::task_): New data member.
5353         (Pluginobj::Pluginobj): Add filesize parameter.
5354         (Pluginobj::filename): New function.
5355         (Pluginobj::descriptor): New function.
5356         (Pluginobj::filesize): New function.
5357         (Pluginobj::filesize_): New data member.
5358         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5359         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5360         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5361
5362         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5363         with archive libraries.
5364         * testsuite/Makefile.in: Regenerate.
5365         * testsuite/plugin_test.c (struct sym_info): New type.
5366         (get_input_file, release_input_file): New static variables.
5367         (onload): Capture new transfer vector entries.
5368         (claim_file_hook): Stop reading at end of file according to filesize.
5369         Factor out parsing of readelf output into separate function.
5370         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5371         APIs and get the source file name from the symbol table.  Convert
5372         source file name to corresponding object file name.  Print info
5373         message when adding new input files.
5374         (parse_readelf_line): New function.
5375         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5376         * testsuite/plugin_test_2.sh: Likewise.
5377         * testsuite/plugin_test_3.sh: Likewise.
5378         * testsuite/plugin_test_4.sh: New test case.
5379
5380 2009-01-07  Ian Lance Taylor  <iant@google.com>
5381
5382         * version.cc (version_string): Bump to 1.8.
5383
5384 2008-12-23  Cary Coutant  <ccoutant@google.com>
5385
5386         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5387         * plugin.cc (Plugin_manager::finish): Rename as
5388         layout_deferred_objects.  Move cleanup to separate function.
5389         (Plugin_manager::cleanup): New function.
5390         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5391         separately.
5392         * plugin.h (Plugin_manager::finish): Rename as
5393         layout_deferred_objects.
5394         (Plugin_manager::cleanup): New function.
5395         (Plugin_manager::cleanup_done): New field.
5396
5397 2008-12-23  Cary Coutant  <ccoutant@google.com>
5398
5399         * plugin.cc (is_visible_from_outside): New function.
5400         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5401         so we don't return "IR only" status for exported symbols or -r links.
5402
5403         * testsuite/Makefile.am (plugin_test_3): New test case.
5404         * testsuite/Makefile.in: Regenerate.
5405         * testsuite/plugin_test_3.sh: New file.
5406
5407 2008-12-22  Cary Coutant  <ccoutant@google.com>
5408
5409         * object.cc (Sized_relobj::layout_section): New function.
5410         (Sized_relobj::do_layout): Defer layout of input sections until after
5411         plugin has provided replacement files.
5412         (Sized_relobj::do_layout_deferred_sections): New function.
5413         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5414         (Relobj::layout_deferred_sections): New function.
5415         (Relobj::do_layout_deferred_sections): New function.
5416         (Sized_relobj::do_layout_deferred_sections): New function.
5417         (Sized_relobj::layout_section): New function.
5418         (Sized_relobj::Deferred_layout): New structure.
5419         (Sized_relobj::deferred_layout_): New field.
5420         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5421         Change all callers.  Layout deferred sections.
5422         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5423         references.
5424         (Plugin_hook::run): Move code from do_plugin_hook inline.
5425         (Plugin_hook::do_plugin_hook): Remove.
5426         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5427         (Plugin_manager::finish): Renamed, was cleanup.
5428         (Plugin_manager::should_defer_layout): New function.
5429         (Plugin_manager::add_deferred_layout_object): New function.
5430         (Plugin_manager::Deferred_layout_list): New type.
5431         (Plugin_manager::deferred_layout_objects_): New field.
5432         (Plugin_hook::do_plugin_hook): Remove.
5433
5434 2008-12-17  Ian Lance Taylor  <iant@google.com>
5435
5436         * options.h (class General_options): Add --no case for
5437         --export-dynamic.
5438
5439 2008-12-16  Cary Coutant  <ccoutant@google.com>
5440
5441         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5442         vector.
5443         (Plugin_manager::claim_file): Create plugin object even if
5444         plugin did not call the add_symbols callback.
5445         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5446         asking for more symbols than were added.
5447         * testsuite/Makefile.am (plugin_test_1): Add test case with
5448         no global symbols.
5449         (empty.syms): New target.
5450         * testsuite/Makefile.in: Regenerate.
5451         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5452         message. Don't call add_symbols if no globals.
5453         (all_symbols_read_hook): Don't provide replacement for empty
5454         claimed file.
5455
5456 2008-12-12  Ian Lance Taylor  <iant@google.com>
5457
5458         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5459         r_type == 0 for a local symbol with r_sym == 0.
5460         (scan_relocatable_relocs): Pass r_sym to
5461         local_non_section_strategy.
5462         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5463         r_sym parameter.
5464
5465         * configure.ac: Update test for TLS descriptors: they are
5466         supported as of glibc 2.9.
5467         * configure: Rebuild.
5468
5469 2008-12-11  Ian Lance Taylor  <iant@google.com>
5470
5471         PR 7091
5472         * target-reloc.h (Default_scan_relocatable_relocs): For each
5473         function, map r_type == 0 to RELOC_DISCARD.
5474
5475 2008-12-10  Cary Coutant  <ccoutant@google.com>
5476
5477         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5478         object to override a kept COMDAT group from a plugin object.
5479
5480 2008-12-09  Ian Lance Taylor  <iant@google.com>
5481
5482         PR 7088
5483         * yyscript.y (file_cmd): Handle INPUT.
5484
5485         * testsuite/initpri1.c: Change all declarations to be full
5486         prototypes by adding void, to avoid compiler warnings.
5487
5488 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5489
5490         * options.cc (General_options::parse_plugin_opt): New.
5491         (General_options::add_plugin): The argument now is just the filename.
5492         (General_options::add_plugin_option): New.
5493         * options.h (plugin_opt): New.
5494         (add_plugin): Change argument name.
5495         (add_plugin_option): New.
5496         * plugin.cc (Plugin::load): Don't parse the plugin option.
5497         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5498         (Plugin::add_option): New.
5499         (Plugin::args_): Change type.
5500         (Plugin::filename_): New.
5501         (Plugin_manager::add_plugin_option): New.
5502         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5503         * testsuite/Makefile.in: Regenerate.
5504
5505 2008-12-05  Cary Coutant  <ccoutant@google.com>
5506
5507         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5508         Handle --strip-lto-sections option.
5509         * options.h (strip_lto_sections): New option.
5510
5511 2008-12-01  Cary Coutant  <ccoutant@google.com>
5512
5513         * plugin.cc (ld_plugin_message): Change format parameter to const.
5514         Fix mismatch between new[] and delete.
5515
5516 2008-11-14  Cary Coutant  <ccoutant@google.com>
5517
5518         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5519         instead of -1U.
5520
5521 2008-11-05  Craig Silverstein  <csilvers@google.com>
5522
5523         * options.cc (General_options::parse_dynamic_list): New function.
5524         * options.h (General_options): New flags dynamic_list,
5525         dynamic_list_data, dynamic_list_cpp_new, and
5526         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5527         (General_options::in_dynamic_list): New function.
5528         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5529         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5530         (Lex::can_continue_name): Likewise.
5531         (yylex): Likewise.
5532         (read_script_file): New parameter script_options.
5533         (read_dynamic_list): New function.
5534         (Script_options::define_dynamic_list): New function.
5535         (dynamic_list_keyword_parsecodes): New variable.
5536         (dynamic_list_keywords): New variable.
5537         * script.h (Script_options::define_dynamic_list): New function
5538         prototype.
5539         (read_dynamic_list): New function prototype.
5540         * symtab.cc (strprefix): New macro.
5541         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5542         dynamic_list_data, dynamic_list_cpp_new, and
5543         dynamic_list_cpp_typeinfo.
5544         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5545         (dynamic_list_expr): New rule.
5546         (dynamic_list_nodes): Likewise.
5547         (dynamic_list_node): Likewise.
5548         * testsuite/Makefile.am (dynamic_list): New test.
5549         * testsuite/Makefile.in: Regenerated.
5550         * testsuite/dynamic_list.t: New file.
5551         * testsuite/dynamic_list.sh: New file.
5552
5553 2008-11-05  Craig Silverstein  <csilvers@google.com>
5554
5555         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5556         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5557         (t11_last): Likewise.
5558         * testsuite/ver_test_6.c (main): Likewise.
5559
5560 2008-10-07  Cary Coutant  <ccoutant@google.com>
5561
5562         * options.c (General_options::finalize): Add check for -static and
5563         -shared.
5564         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5565         is not empty.
5566
5567 2008-10-02  Cary Coutant  <ccoutant@google.com>
5568
5569         * plugin.cc (make_sized_plugin_object): Fix conditional
5570         compilation to work when not all targets are enabled.
5571
5572 2008-09-29  Cary Coutant  <ccoutant@google.com>
5573
5574         * archive.cc (Archive::get_file_and_offset): Use filename instead
5575         of name to get library path.
5576         (Archive::include_member): Unlock external member of a thin archive.
5577
5578         * testsuite/Makefile.am (TEST_AR): New variable.
5579         (thin_archive_test_1): New test.
5580         (thin_archive_test_2): New test.
5581         * testsuite/Makefile.in: Regenerate.
5582         * testsuite/thin_archive_main.cc: New file.
5583         * testsuite/thin_archive_test_1.cc: New file.
5584         * testsuite/thin_archive_test_2.cc: New file.
5585         * testsuite/thin_archive_test_3.cc: New file.
5586         * testsuite/thin_archive_test_4.cc: New file.
5587
5588 2008-09-29  Cary Coutant  <ccoutant@google.com>
5589
5590         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5591         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5592         instead of -1U.
5593         (Sized_relobj::do_finalize_local_symbols): Likewise.
5594         (Sized_relobj::map_to_kept_section): Likewise.
5595         * object.h (Sized_relobj::invalid_address): New constant.
5596         (Sized_relobj::do_output_section_offset): Check for invalid_address
5597         and return -1ULL.
5598         * output.cc (Output_reloc::local_section_offset): Use constant
5599         invalid_address instead of -1U.
5600         (Output_reloc::get_address): Likewise.
5601         (Output_section::output_address): Change -1U to -1ULL.
5602         * output.h (Output_reloc::invalid_address): New constant.
5603         * reloc.cc (Sized_relobj::write_sections): Use constant
5604         invalid_address instead of -1U.
5605         (Sized_relobj::relocate_sections): Likewise.
5606         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5607         values for merge sections.
5608         * target-reloc.h (relocate_for_relocatable): Use constant
5609         invalid_address instead of -1U.
5610
5611 2008-09-19  Cary Coutant  <ccoutant@google.com>
5612
5613         Add plugin functionality for link-time optimization (LTO).
5614         * configure.ac (plugins): Add --enable-plugins option.
5615         * configure: Regenerate.
5616         * config.in: Regenerate.
5617         * Makefile.am (LIBDL): New variable.
5618         (CCFILES): Add plugin.cc.
5619         (HFILES): Add plugin.h.
5620         (ldadd_var): Add LIBDL.
5621         * Makefile.in: Regenerate.
5622
5623         * archive.cc: Include "plugin.h".
5624         (Archive::setup): Don't preread archive symbols when using a plugin.
5625         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5626         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5627         files.
5628         (Archive::include_member): Add symbols from plugin objects.
5629         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5630         * descriptors.cc (Descriptors::open): Check for file descriptors
5631         abandoned by plugins.
5632         (Descriptors::claim_for_plugin): New function.
5633         * descriptors.h (Descriptors::claim_for_plugin): New function.
5634         (Open_descriptor::is_claimed): New field.
5635         (claim_descriptor_for_plugin): New function.
5636         * fileread.cc (File_read::claim_for_plugin): New function.
5637         * fileread.h (File_read::claim_for_plugin): New function.
5638         (File_read::descriptor): New function.
5639         * gold.cc: Include "plugin.h".
5640         (queue_initial_tasks): Add task to call plugin hooks for generating
5641         new object files.
5642         * main.cc: Include "plugin.h".
5643         (main): Load plugin libraries.
5644         * object.h (Pluginobj): Declare.
5645         (Object::pluginobj): New function.
5646         (Object::do_pluginobj): New function.
5647         (Object::set_target): New function.
5648         * options.cc: Include "plugin.h".
5649         (General_options::parse_plugin): New function.
5650         (General_options::General_options): Initialize plugins_ field.
5651         (General_options::add_plugin): New function.
5652         * options.h (Plugin_manager): Declare.
5653         (General_options): Add --plugin option.
5654         (General_options::has_plugins): New function.
5655         (General_options::plugins): New function.
5656         (General_options::add_plugin): New function.
5657         (General_options::plugins_): New field.
5658         * plugin.cc: New file.
5659         * plugin.h: New file.
5660         * readsyms.cc: Include "plugin.h".
5661         (Read_symbols::do_read_symbols): Check for archive before checking
5662         for ELF file.  Call plugin hooks to claim files.
5663         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5664         from a real object file; force override when processing replacement
5665         files.
5666         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5667         (Symbol::init_base_object): Likewise.
5668         (Symbol::init_base_output_data): Likewise.
5669         (Symbol::init_base_output_segment): Likewise.
5670         (Symbol::init_base_constant): Likewise.
5671         (Symbol::init_base_undefined): Likewise.
5672         (Symbol::output_section): Assert that object is not a plugin.
5673         (Symbol_table::add_from_pluginobj): New function.
5674         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5675         undefined.
5676         (Symbol_table::sized_write_globals): Likewise.
5677         (Symbol_table::add_from_pluginobj): Instantiate template.
5678         * symtab.h (Sized_pluginobj): Declare.
5679         (Symbol::in_real_elf): New function.
5680         (Symbol::set_in_real_elf): New function.
5681         (Symbol::in_real_elf_): New field.
5682         (Symbol_table::add_from_pluginobj): New function.
5683
5684         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5685         (LIBDL): New variable.
5686         (LDADD): Add LIBDL.
5687         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5688         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5689         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5690         (MOSTLYCLEANFILES): Likewise.
5691         * testsuite/Makefile.in: Regenerate.
5692         * testsuite/plugin_test.c: New file.
5693         * testsuite/plugin_test_1.sh: New file.
5694         * testsuite/plugin_test_2.sh: New file.
5695
5696 2008-09-16  Ian Lance Taylor  <iant@google.com>
5697
5698         * target-reloc.h (relocate_section): Check whether a symbol is
5699         defined by the ABI before reporting an undefined symbol error.
5700         * target.h (Target::is_defined_by_abi): Make parameter const.
5701         (Target::do_is_defined_by_abi): Likewise.
5702         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5703         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5704         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5705         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5706         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5707         * testsuite/Makefile.in: Rebuild.
5708
5709         * fileread.cc (make_view): Add casts to avoid warning.
5710
5711 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5712
5713         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5714         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5715
5716 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5717
5718         * options.h (General_options::output_is_executable): New.
5719         (General_options::output_is_pie): New.
5720         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5721         for shared libraries.
5722         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5723
5724 2008-09-11  Chris Demetriou  <cgd@google.com>
5725
5726         * options.h (origin): New -z option.
5727         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5728         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5729         in DT_FLAGS_1.
5730
5731 2008-09-05  Cary Coutant  <ccoutant@google.com>
5732
5733         * fileread.cc (File_read::make_view): Add check for attempt to map
5734         beyond end of file.
5735
5736 2008-09-05  Cary Coutant  <ccoutant@google.com>
5737
5738         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5739         explicit instantiations.
5740
5741 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5742
5743         PR gold/6858
5744         * options.cc (General_options::finalize): Allow undefined symbols
5745         in shlibs if linking -shared.
5746
5747         PR gold/6859
5748         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5749         symbols as not needing a dynsym entry.
5750
5751 2008-08-20  Craig Silverstein  <csilvers@google.com>
5752
5753         * fileread.cc (File_read::open): Do not lock the file unless it
5754         was successfully opened.
5755
5756 2008-08-14  Cary Coutant  <ccoutant@google.com>
5757
5758         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5759         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5760         * testsuite/tls_test.cc (struct int128): 128-bit struct
5761         for testing TLS relocs with non-zero addend.
5762         (v12): New TLS variable.
5763         (t12): New test.
5764         (t_last): Add check for v12.
5765         * testsuite/tls_test.h (t12): New function.
5766         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5767
5768 2008-08-13  Ian Lance Taylor  <iant@google.com>
5769
5770         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5771         set tls_segment_ or relro_segment_.
5772         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5773         when appropriate.
5774         * output.h (Output_section::clear_is_relro): New function.
5775         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5776         sections specially even when output_data_ is empty.
5777         (Output_segment::maximum_alignment): When first section is relro,
5778         only force alignment for PT_LOAD segments.
5779         * script.cc (script_data_segment_align): New function.
5780         (script_data_segment_relro_end): New function.
5781         * script-c.h (script_data_segment_align): Declare.
5782         (script_data_segment_relro_end): Declare.
5783         * script-sections.h (class Script_sections): Declare
5784         data_segment_align and data_segment_relro_end.  Add fields
5785         segment_align_index_ and saw_relro_end_.
5786         * script-sections.cc (class Sections_element): Add set_is_relro
5787         virtual function.  Add new bool* parameter to place_orphan_here.
5788         Add get_output_section virtual function.
5789         (class Output_section_definition): Add set_is_relro.  Add new
5790         bool* parameter to place_orphan_here.  Add get_output_section.
5791         Add is_relro_ field.
5792         (Output_section_definition::Output_section_definition): Initialize
5793         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5794         and is_relro_ fields.
5795         (Output_section_definition::place_orphan_here): Add is_relro
5796         parameter.
5797         (Output_section_definition::set_section_addresses): Set relro for
5798         output section.
5799         (Output_section_definition::alternate_constraint): Likewise.
5800         (class Orphan_output_section): Add new bool* parameter to
5801         place_orphan_here.  Add get_output_section.
5802         (Orphan_output_section::place_orphan_here): Add is_relro
5803         parameter.
5804         (Script_sections::Script_sections): Initialize
5805         data_segment_align_index_ and saw_relro_end_.
5806         (Script_sections::data_segment_align): New function.
5807         (Script_sections::data_segment_relro_end): New function.
5808         (Script_sections::place_orphan): Set or clear is_relro.
5809         (Script_sections::set_section_addresses): Force alignment of first
5810         TLS section.
5811         * yyscript.y (exp): Call script_data_segment_align and
5812         script_data_segment_relro_end.
5813         * testsuite/relro_script_test.t: New file.
5814         * testsuite/relro_test.cc (using_script): Declare.
5815         (t1, t2): Test using_script.
5816         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5817         (relro_script_test_SOURCES): Define.
5818         (relro_script_test_DEPENDENCIES): Define.
5819         (relro_script_test_LDFLAGS): Define.
5820         (relro_script_test_LDADD): Define.
5821         (relro_script_test.so): New target.
5822         * testsuite/Makefile.in: Rebuild.
5823
5824 2008-08-06  Cary Coutant <ccoutant@google.com>
5825
5826         * archive.cc (Archive::total_archives, Archive::total_members)
5827         (Archive::total_members_loaded): New variables.
5828         (Archive::setup): Add parameter.  Add option to preread
5829         archive symbols.
5830         (Archive::read_armap): Add counter.
5831         (Archive::get_file_and_offset): New function.
5832         (Archive::get_elf_object_for_member): New function.
5833         (Archive::read_all_symbols): New function.
5834         (Archive::read_symbols): New function.
5835         (Archive::add_symbols): Add counters.
5836         (Archive::include_all_members): Use armap to find members if it's
5837         already built.
5838         (Archive::include_member): Skip reading symbols if already read.
5839         Factored code into Archive::get_file_and_offset and
5840         Archive::get_elf_object_for_member.  Changed call to
5841         Mapfile::report_include_archive_member.
5842         (Archive::print_stats): New function.
5843         * archive.h: Declare Object and Read_symbols_data classes.
5844         (Archive::Archive): Add initializers for new members.
5845         (Archive::setup): Add parameter.
5846         (Archive::print_stats): New function.
5847         (Archive::total_archives, Archive::total_members)
5848         (Archive::total_members_loaded): New variables.
5849         (Archive::get_file_and_offset): New function.
5850         (Archive::get_elf_object_for_member): New function.
5851         (Archive::read_all_symbols): New function.
5852         (Archive::read_symbols): New function.
5853         (Archive::Archive_member): New class.
5854         (Archive::members_): New member.
5855         (Archive::num_members_): New member.
5856         * main.cc: Include archive.h.
5857         (main): Call Archive::print_stats.
5858         * mapfile.cc (Mapfile::report_include_archive_member): Delete
5859         archive parameter; member_name is now the fully-decorated name.
5860         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5861         * options.h: (General_options): Add --preread-archive-symbols option.
5862         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5863         Archive::setup.
5864
5865 2008-08-04  Ian Lance Taylor  <iant@google.com>
5866
5867         * symtab.h (Symbol::use_plt_offset): New function.
5868         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5869         * powerpc.cc (Relocate::relocate): Likewise.
5870         * sparc.cc (Relocate::relocate): Likewise.
5871         * x86_64.cc (Relocate::relocate): Likewise.
5872         * testsuite/weak_plt.sh: New test.
5873         * testsuite/weak_plt_main.cc: New test.
5874         * testsuite/weak_plt_shared.cc: New test.
5875         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5876         (check_PROGRAMS): Add weak_plt.
5877         (check_DATA): Add weak_plt_shared.so.
5878         (weak_plt_main_pic.o, weak_plt): New targets.
5879         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5880         * testsuite/Makefile.in: Rebuild.
5881
5882         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5883         gcctestdir/ld.
5884         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5885         * testsuite/Makefile.in: Rebuild.
5886
5887 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
5888
5889         * Makefile.am (POTFILES.in): Set LC_ALL=C.
5890         * Makefile.in: Regenerate.
5891         * po/POTFILES.in: Regenerate.
5892
5893 2008-07-29  Ian Lance Taylor  <iant@google.com>
5894
5895         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5896         symbols before other symbols.
5897         * testsuite/script_test_2.cc (test_addr): Declare.
5898         (test_addr_alias): Declare.
5899         (main): Check that test_addr and test_addr_alias have the right
5900         values.
5901         * testsuite/script_test_2.t: Define test_addr_alias and
5902         test_addr.
5903
5904 2008-07-24  Ian Lance Taylor  <iant@google.com>
5905
5906         PR 5990
5907         * descriptors.cc: New file.
5908         * descriptors.h: New file.
5909         * gold-threads.h (class Hold_optional_lock): New class.
5910         * fileread.cc: Include "descriptors.h".
5911         (File_read::~File_read): Release descriptor rather than closing
5912         it.
5913         (File_read::open) [file]: Call open_descriptor rather than open.
5914         Set is_descriptor_opened_.
5915         (File_read::open) [memory]: Assert that descriptor is not open.
5916         (File_read::reopen_descriptor): New function.
5917         (File_read::release): Release descriptor.
5918         (File_read::do_read): Make non-const.  Reopen descriptor.
5919         (File_read::read): Make non-const.
5920         (File_read::make_view): Reopen descriptor.
5921         (File_read::do_readv): Likewise.
5922         * fileread.h (class File_read): Add is_descriptor_opened_ field.
5923         Update declarations.
5924         * layout.cc: Include "descriptors.h".
5925         (Layout::create_build_id): Use open_descriptor rather than open.
5926         * output.cc: Include "descriptors.h".
5927         (Output_file::open): Use open_descriptor rather than open.
5928         * archive.cc (Archive::const_iterator): Change Archive to be
5929         non-const.
5930         (Archive::begin, Archive::end): Make non-const.
5931         (Archive::count_members): Likewise.
5932         * archive.h (class Archive): Update declarations.
5933         * object.h (Object::read): Make non-const.
5934         * Makefile.am (CCFILES): Add descriptors.cc.
5935         (HFILES): Add descriptors.h.
5936         * Makefile.in: Rebuild.
5937
5938         PR 6716
5939         * gold.h: Always include <clocale>.  Add Solaris workarounds
5940         following code in binutils/sysdep.h.
5941
5942         PR 6048
5943         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5944         this->eh_frame_hdr_ is NULL before using it.
5945
5946         * dynobj.cc (Versions::Versions): Update comment.
5947
5948         * dynobj.cc (Versions::Versions): If there is an soname, use it as
5949         the base version name.
5950
5951         * stringpool.cc (Stringpool_template::add_with_length): Set key to
5952         array size plus one.
5953         (Stringpool_template::set_string_offsets): Subtract one from key
5954         before using it as an array index.
5955         (Stringpool_template::get_offset_with_length): Likewise.
5956         (Stringpool_template::write_to_buffer): Likewise.
5957         * stringpool.h (Stringpool_template::get_offset_from_key):
5958         Likewise.
5959
5960 2008-07-23  Ian Lance Taylor  <iant@google.com>
5961
5962         PR 6658
5963         * object.h (Merged_symbol_value::value): Do our best to handle a
5964         negative addend.
5965
5966         PR 6647
5967         * script.cc (Version_script_info::get_versions): Don't add empty
5968         version tag to return value.
5969         (Version_script_info::get_symbol_version_helper): Change return
5970         type to bool.  Add pversion parameter.  Change all callers.
5971         (script_register_vers_node): Don't require a non-NULL tag.
5972         * script.h (class Version_script_info): Update declarations.
5973         (Version_script_info::get_symbol_version): Change return type to
5974         bool.  Add version parameter.  Change all callers.
5975         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5976         handling.  Handle an empty version from a version script.
5977         (Symbol_table::define_special_symbol): Likewise.
5978         * testsuite/ver_test_10.script: New file.
5979         * testsuite/ver_test_10.sh: New file.
5980         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5981         (check_DATA): Add ver_test_10.syms.
5982         (ver_test_10.syms, ver_test_10.so): New target.
5983         * testsuite/Makefile.in: Rebuild.
5984
5985 2008-07-23  Simon Baldwin  <simonb@google.com>
5986
5987         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5988         to zero for undefined symbols from dynamic libraries.
5989
5990 2008-07-23  Ian Lance Taylor  <iant@google.com>
5991
5992         * symtab.cc (Symbol_table::resolve): Remove version parameter.
5993         Change all callers.
5994         * symtab.h (class Symbol_table): Update declaration.
5995         * testsuite/ver_test_9.cc: New file.
5996         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5997         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5998         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5999         (ver_test_9.so, ver_test_9.o): New targets.
6000         * testsuite/Makefile.in: Rebuild.
6001
6002 2008-07-22  Ian Lance Taylor  <iant@google.com>
6003
6004         * options.h (class General_options): Define --check-sections.
6005         * layout.cc (Layout::set_segment_offsets): Handle
6006         --check-sections.
6007
6008         * options.h (class General_options): Define -n/--nmagic and
6009         -N/--omagic.
6010         * options.cc (General_options::finalize): For -n/--nmagic or
6011         -N/--omagic, set -static.
6012         * layout.cc (Layout::attach_allocated_section_to_segment): If
6013         -N/--omagic, don't put read-only and read-write sections in
6014         different segments.
6015         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6016         finding a read-only segment.
6017         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6018         don't set the minimum segment alignment to the common page size,
6019         and don't set the file offset to the address modulo the page size.
6020         * script-sections.cc (Script_sections::create_segments): If
6021         -n/--omagic, don't put read-only and read-write sections in
6022         different segments.
6023
6024         * cref.cc: New file.
6025         * cref.h: New file.
6026         * options.h (class General_options): Add --print-symbol-counts.
6027         * main.cc (main): Issue defined symbol report if requested.
6028         * archive.cc (Archive::interpret_header): Make into a const member
6029         function.
6030         (Archive::add_symbols): Call Input_objects::archive_start and
6031         archive_stop.
6032         (Archive::const_iterator): Define new class.
6033         (Archive::begin, Archive::end): New functions.
6034         (Archive::include_all_members): Rewrite to use iterator.
6035         (Archive::count_members): New function.
6036         * archive.h (class Archive): Update declarations.
6037         (Archive::filename): New function.
6038         * object.cc: Include "cref.h".
6039         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6040         (Sized_relobj::do_get_global_symbol_counts): New function.
6041         (Input_objects::add_object): Add object to cross-referencer.
6042         (Input_objects::archive_start): New function.
6043         (Input_objects::archive_stop): New function.
6044         (Input_objects::print_symbol_counts): New function.
6045         * object.h: Declare Cref and Archive.
6046         (Object::get_global_symbol_counts): New function.
6047         (Object::do_get_global_symbol_counts): New pure virtual function.
6048         (class Sized_relobj): Add defined_count_ field.  Update
6049         declarations.
6050         (class Input_objects): Add cref_ field.  Update constructor.
6051         Update declarations.
6052         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6053         defined_count_.
6054         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6055         symbol counts.
6056         (Sized_dynobj::do_get_global_symbol_counts): New function.
6057         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6058         defined_count_.  Update declarations.  Define Symbols typedef.
6059         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6060         parameter.  Change all callers.
6061         (Symbol_table::add_from_dynobj): Add sympointers and defined
6062         parameters.  Change all callers.
6063         * symtab.h (class Symbol_table): Update declarations.
6064         * Makefile.am (CCFILES): Add cref.cc.
6065         (HFILES): Add cref.h.
6066         * Makefile.in: Rebuild.
6067
6068 2008-07-22  Simon Baldwin  <simonb@google.com>
6069
6070         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6071         to zero when writing undefined symbols.
6072
6073 2008-07-22  Ian Lance Taylor  <iant@google.com>
6074
6075         * output.cc (Output_section::add_input_section): Don't try to
6076         merge empty merge sections.
6077
6078 2008-07-21  Craig Silverstein  <csilvers@google.com>
6079
6080         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6081         Include symbol version in error message.
6082
6083 2008-07-20  Chris Demetriou  <cgd@google.com>
6084
6085         * configure.ac (gold_cv_c_random_seed): New configured variable.
6086         (RANDOM_SEED_CFLAGS): New substituted variable.
6087         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6088         * configure: Rebuild.
6089         * Makefile.in: Likewise.
6090         * testsuite/Makefile.in: Likewise.
6091
6092 2008-07-18  Ian Lance Taylor  <iant@google.com>
6093
6094         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6095         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6096         * testsuite/ver_test_main.cc (main): Call t4.
6097         (t4, t4_2a): Define.
6098         * testsuite/ver_test_2.cc (t4_2): Define.
6099         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6100         * testsuite/ver_test_4.cc (t4_2a): Define.
6101         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6102         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6103
6104 2008-07-17  Ian Lance Taylor  <iant@google.com>
6105
6106         * dynobj.cc (Versions::add_def): If we give an error about a
6107         missing version, go ahead and create the version anyhow.
6108
6109 2008-07-10  Ian Lance Taylor  <iant@google.com>
6110
6111         Handle output sections with more than 0x7fffffff bytes.
6112         * object.h (class Relobj): Change map_to_output_ to
6113         output_sections_, and just keep a section pointer.  Change all
6114         uses.  Move comdat group support to Sized_relobj.
6115         (Relobj::is_section_specially_mapped): Remove.
6116         (Relobj::output_section): Remove poff parameter.  Change all
6117         callers.
6118         (Relobj::output_section_offset): New function.
6119         (Relobj::set_section_offset): Rewrite.
6120         (Relobj::map_to_output): Remove.
6121         (Relobj::output_sections): New function.
6122         (Relobj::do_output_section_offset): New pure virtual function.
6123         (Relobj::do_set_section_offset): Likewise.
6124         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6125         group support from Relobj.  Update declarations.
6126         (Sized_relobj::get_output_section_offset): New function.
6127         (Sized_relobj::do_output_section_offset): New function.
6128         (Sized_relobj::do_set_section_offset): New function.
6129         * object.cc (Relobj::output_section_address): Remove.
6130         (Sized_relobj::Sized_relobj): Initialize new fields.
6131         (Sized_relobj::include_section_group): Cast find_kept_object to
6132         Sized_relobj.
6133         (Sized_relobj::include_linkonce_section): Likewise.
6134         (Sized_relobj::do_layout): Use separate arrays for output section
6135         and output offset.
6136         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6137         output_sections.
6138         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6139         output_sections and section_offsets.
6140         (Sized_relobj::write_local_symbols): Likewise.
6141         (map_to_kept_section): Compute output address directly.
6142         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6143         output_sections and section_offsets.
6144         (Sized_relobj::write_sections): Likewise.
6145         (Sized_relobj::relocate_sections): Likewise.
6146         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6147         * output.h (class Output_reloc): Update declarations.  Change
6148         u2_.relobj to Sized_relobj*.
6149         (class Output_data_reloc): Change add functions to use
6150         Sized_relobj*.
6151         * output.cc (Output_reloc::Output_reloc): Change relobj to
6152         Sized_relobj*.
6153         (Output_reloc::local_section_offset): Change return type to
6154         Elf_Addr.  Use get_output_section_offset.
6155         (Output_reloc::get_address): Likewise.
6156         (Output_section::is_input_address_mapped): Don't call
6157         is_section_specially_mapped.
6158         (Output_section::output_offset): Likewise.
6159         (Output_section::output_address): Likewise.
6160         (Output_section::starting_output_address): Likewise.
6161         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6162         parameter to Sized_relobj*.
6163         (Copy_relocs::need_copy_reloc): Likewise.
6164         (Copy_relocs::save): Likewise.
6165         * copy-relocs.h (class Copy_relocs): Update declarations.
6166         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6167         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6168         * target-reloc.h (relocate_for_relocatable): Change
6169         offset_in_output_section type to Elf_Addr.  Change code that uses
6170         it as well.
6171         * layout.cc (Layout::layout): Always set *off.
6172         * mapfile.cc (Mapfile::print_input_section): Use
6173         output_section_offset.
6174         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6175         Sized_relobj*.
6176         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6177         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6178         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6179
6180 2008-07-03  Ian Lance Taylor  <iant@google.com>
6181
6182         * layout.cc (Layout::include_section): Do not discard unrecognized
6183         SHT_STRTAB sections.
6184
6185 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6186
6187         * script.cc (Lex::can_continue_name): Make '?' allowable in
6188         version-script names.
6189         * testsuite/version_script.map: Change glob pattern to use '?'
6190
6191 2008-06-30  Manish Singh  <yosh@gimp.org>
6192
6193         PR 6585
6194         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6195         Correct typo.
6196
6197 2008-06-30  Ian Lance Taylor  <iant@google.com>
6198
6199         PR 6660
6200         PR 6682
6201         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6202         versions]: Don't try to read the value in the contents, since we
6203         don't use it.  Use the template endianness when writing.
6204
6205 2008-06-25  Cary Coutant  <ccoutant@google.com>
6206
6207         * fileread.cc (File_read::make_view): Assert on zero-length view.
6208         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6209         symbol table when there are no symbols to read.
6210
6211 2008-06-23  Craig Silverstein  <csilvers@google.com>
6212
6213         * version.cc (version_string): Bump to 1.7
6214
6215 2008-06-18  Craig Silverstein  <csilvers@google.com>
6216
6217         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6218         constant 0xFFFF to type Valtype.
6219         (Powerpc_relocate_functions::rel16_ha): Likewise.
6220
6221 2008-06-17  Ian Lance Taylor  <iant@google.com>
6222
6223         * output.h (Output_section::Input_section): Initialize p2align_ to
6224         zero for Output_section_data constructors.
6225         (Output_section::Input_section::addralign): If not an input
6226         section, return the alignment of the Output_section_data.
6227         * testsuite/copy_test.cc: New file.
6228         * testsuite/copy_test_1.cc: New file.
6229         * testsuite/copy_test_2.cc: New file.
6230         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6231         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6232         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6233         (copy_test_1_pic.o, copy_test_1.so): New targets.
6234         (copy_test_2_pic.o, copy_test_2.so): New targets.
6235         * testsuite/Makefile.in: Rebuild.
6236
6237         * script-sections.cc (Script_sections::place_orphan): Initialize
6238         local variable exact.
6239
6240 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6241
6242         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6243
6244 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6245             David S. Miller  <davem@davemloft.net>
6246
6247         * powerpc.cc: New file.
6248         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6249         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6250         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6251         * Makefile.in: Rebuild.
6252
6253 2008-06-09  Ian Lance Taylor  <iant@google.com>
6254
6255         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6256         <exception>.
6257         (throwing, orig_terminate): New static variables.
6258         (terminate_handler): New static function.
6259         (t2): Set terminate handler.
6260
6261 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6262
6263         PR 6584
6264         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6265         alignment.
6266
6267 2008-05-30  Cary Coutant  <ccoutant@google.com>
6268
6269         * archive.cc (Archive::include_all_members) Correct to step
6270         over symbol table and extended name table in thin archives.
6271
6272 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6273
6274         PR 6407
6275         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6276         calculation.
6277
6278 2008-05-28  Caleb Howe  <cshowe@google.com>
6279
6280         * reduced_debug_output.cc: New file.
6281         * reduced_debug_output.h: New file.
6282         * options.h (class General_options): Add --strip-debug-non-line.
6283         * options.cc (General_options::finalize): Add strip_debug_non_line
6284         to the strip heirarchy.
6285         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6286         fields.
6287         * layout.cc: Include "reduced_debug_output.h".
6288         (Layout::Layout): Initialize new fields.
6289         (line_only_debug_sections): New static array.
6290         (is_lines_only_debug_sections): New static inline function.
6291         (Layout::include_section): Handle --strip-debug-non-line.
6292         (Layout::make_output_section): If --strip-debug-non-line, build
6293         new output sections for .debug_abbrev and .debug_info.
6294         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6295         gold.  Warn about possible overflow.
6296         (read_signed_LEB_128): Likewise.
6297         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6298         (read_signed_LEB_128): Declare.
6299         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6300         (HFILES): Add reduced_debug_output.h.
6301         * Makefile.in: Rebuild.
6302
6303 2008-05-21  Ian Lance Taylor  <iant@google.com>
6304
6305         * mapfile.cc: New file.
6306         * mapfile.h: New file.
6307         * options.h (class General_options): Add -M/--print-map and -Map.
6308         * options.cc (General_options::finalize): Make -M equivalent to
6309         -Map -.
6310         * main.cc: Include <cstdio> and "mapfile.h".
6311         (main): Open mapfile if requested.
6312         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6313         constructor.  Change caller.
6314         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6315         (queue_middle_tasks): Likewise.
6316         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6317         declarations.
6318         * archive.cc: Include "mapfile.h".
6319         (Archive::add_symbols): Add mapfile parameter.  Change all
6320         callers.  Pass mapfile, symbol, and reason to include_member.
6321         (Archive::include_all_members): Add mapfile parameter.  Change all
6322         callers.
6323         (Archive::include_member): Add mapfile, sym, and why parameters.
6324         Change all callers.  Report inclusion to map file.
6325         * archive.h: Include "fileread.h".
6326         (class Archive): Update declarations.
6327         (Archive::file): New const method.
6328         (class Add_archive_symbols): Add mapfile_ field.  Update
6329         constructor.  Change all callers.
6330         * readsyms.h (class Read_symbols): Likewise.
6331         (class Finish_group): Likewise.
6332         (class Read_script): Likewise.
6333         * common.cc: Include "mapfile.h".
6334         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6335         all callers.
6336         (Symbol_table::do_allocate_commons): Likewise.
6337         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6338         symbol allocation to mapfile.
6339         * common.h (class Allocate_commons_task): Add mapfile_ field.
6340         Update constructor.  Change all callers.
6341         * symtab.h (class Symbol_table): Update declarations.
6342         * layout.cc: Include "mapfile.h".
6343         (Layout_task_runner::run): Print information to mapfile.
6344         (Layout::create_gold_note): Change Output_data_fixed_space to
6345         Output_data_zero_fill.
6346         (Layout::create_build_id): Likewise.
6347         (Layout::print_to_mapfile): New function.
6348         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6349         constructor.  Change caller.
6350         (class Layout): Declare print_to_mapfile.
6351         * output.cc (Output_section::Input_section::print_to_mapfile): New
6352         function.
6353         (Output_section::add_input_section): If producing a map, always
6354         add to input_sections_ list.
6355         (Output_section::do_print_to_mapfile): New function.
6356         (Output_segment::print_sections_to_mapfile): New function.
6357         (Output_segment::print_section_list_to_mapfile): New function.
6358         * output.h: Include "mapfile.h".
6359         (Output_data::print_to_mapfile): New function.
6360         (Output_data::do_print_to_mapfile): New virtual function.
6361         (Output_segment_headers::do_print_to_mapfile): New function.
6362         (Output_file_header::do_print_to_mapfile): New function.
6363         (Output_data_const::do_print_to_mapfile): New function.
6364         (class Output_data_const_buffer): Add map_name_ field.  Update
6365         constructor.  Change all callers.  Add do_print_to_mapfile
6366         function.
6367         (class Output_data_fixed_space): Likewise.
6368         (class Output_data_space): Likewise.
6369         (class Output_data_zero_fill): New class.
6370         (Output_data_strtab::do_print_to_mapfile): New function.
6371         (Output_data_reloc_base::do_print_to_mapfile): New function.
6372         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6373         (Output_data_group::do_print_to_mapfile): New function.
6374         (Output_data_got::do_print_to_mapfile): New function.
6375         (Output_data_dynamic::do_print_to_mapfile): New function.
6376         (Output_symtab_xindex::do_print_to_mapfile): New function.
6377         (class Output_section): Declare do_print_to_mapflie.  Declare
6378         print_to_mapfile in Input_section.
6379         (class Output_segment): Declare new functions.
6380         * object.h (Sized_relobj::symbol_count): New function.
6381         * script-sections.cc
6382         (Output_section_element_dot_assignment::set_section_addresses):
6383         Change Output_data_fixed_space to Output_data_zero_fill.
6384         (Output_data_expression::do_print_to_mapfile): New function.
6385         * script.cc (read_input_script): Add mapfile parameter.  Change
6386         all callers.
6387         * script.h (read_input_script): Update declaration.
6388         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6389         (Eh_frame::do_print_to_mapfile): New function.
6390         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6391         (Output_merge_string::do_print_to_mapfile): New function.
6392         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6393         function.
6394         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6395         function.
6396         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6397         function.
6398         * Makefile.am (CCFILES): Add mapfile.cc.
6399         (HFILES): Add mapfile.h.
6400         * Makefile.in: Rebuild.
6401
6402 2008-05-19  Ian Lance Taylor  <iant@google.com>
6403
6404         * options.h (class General_options): Add -z relro.
6405         * layout.cc (Layout::Layout): Initialize relro_segment_.
6406         (Layout::add_output_section_data): Return the output section.
6407         (Layout::make_output_section): Rcognize relro sections and mark
6408         them appropriately.
6409         (Layout::attach_allocated_section_to_segment): Put relro sections
6410         in a PT_GNU_RELRO segment.
6411         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6412         section as relro.
6413         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6414         PT_TLS segments.
6415         (Layout::linkonce_mapping): Map d.rel.ro.local to
6416         .data.rel.ro.local.
6417         (Layout::output_section_name): Us .data.rel.ro.local for any
6418         section which begins with that.
6419         * layout.h (class Layout): Update add_output_section_data
6420         declaration.  Add relro_segment_ field.
6421         * output.cc (Output_section::Output_section): Initialize is_relro_
6422         and is_relro_local_ fields.
6423         (Output_segment::add_output_section): Group relro sections.
6424         (Output_segment::is_first_section_relro): New function.
6425         (Output_segment::maximum_alignment): If there is a relro section,
6426         align the segment to the common page size.
6427         (Output_segment::set_section_addresses): Track whether we are
6428         looking at relro sections.  If the last section is a relro
6429         section, align to the common page size.
6430         (Output_segment::set_section_list_addresses): Add in_relro
6431         parameter.  Change all callers.  Align to the page size when
6432         moving from relro to non-relro section.
6433         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6434         segment.
6435         * output.h (class Output_section): Add is_relro_ and
6436         is_relro_local_ fields.
6437         (Output_section::is_relro): New function.
6438         (Output_section::set_is_relro): New function.
6439         (Output_section::is_relro_local): New function.
6440         (Output_section::set_is_relro_local): New function.
6441         (class Output_segment): Update declarations.
6442         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6443         * sparc.cc (Target_sparc::got_section): Likewise.
6444         * x86_64.cc (Target_x86_64::got_section): Likewise.
6445         * testsuite/relro_test_main.cc: New file.
6446         * testsuite/relro_test.cc: New file.
6447         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6448         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6449         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6450         (relro_test.so, relro_test_pic.o): New targets.
6451         * testsuite/Makefile.in: Rebuild.
6452
6453 2008-05-16  Ian Lance Taylor  <iant@google.com>
6454
6455         * output.cc (Output_segment::add_output_section): Remove front
6456         parameter.
6457         * output.h (class Output_segment): Remove
6458         add_initial_output_section and overloaded add_output_section.
6459         Update declaration of remaining add_output_section.
6460         * layout.cc (Layout::create_interp): Call add_output_section
6461         rather than add_initial_output_section.
6462         (Layout::finish_dynamic_section): Likewise.
6463
6464         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6465         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6466         know the dynamic type.
6467         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6468         field.  Initialize it in constructor.
6469         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6470         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6471         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6472         reloc.
6473
6474         * output.cc (Output_reloc::get_address): Change return type to
6475         Elf_Addr.
6476         * output.h (class Output_reloc): Update get_address declaration.
6477         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6478         for section addresses.
6479
6480 2008-05-09  Ian Lance Taylor  <iant@google.com>
6481
6482         PR 6493
6483         * gold.cc (gold_nomem): Use return value of write.
6484
6485 2008-05-08  Ian Lance Taylor  <iant@google.com>
6486
6487         * symtab.c (Symbol::init_base_output_data): Add version
6488         parameter.  Change all callers.
6489         (Symbol::init_base_output_segment): Likewise.
6490         (Symbol::init_base_constant): Likewise.
6491         (Symbol::init_base_undefined): Likewise.
6492         (Sized_symbol::init_output_data): Likewise.
6493         (Sized_symbol::init_output_segment): Likewise.
6494         (Sized_symbol::init_constant): Likewise.
6495         (Sized_symbol::init_undefined): Likewise.
6496         (Symbol_table::do_define_in_output_data): If the new symbol has a
6497         version, mark it as the default.
6498         (Symbol_table::do_define_in_output_segment): Likewise.
6499         (Symbol_table::do_define_as_constant): Likewise.
6500         * symtab.h (class Symbol): Update declarations.
6501         (class Sized_symbol): Likewise.
6502         * resolve.cc (Symbol::override_version): New function.
6503         (Symbol::override_base): Call override_version.
6504         (Symbol::override_base_with_special): Likewise.
6505         * testsuite/ver_script_8.script: New file.
6506         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6507         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6508         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6509         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6510
6511 2008-05-06  Ian Lance Taylor  <iant@google.com>
6512
6513         PR 6049
6514         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6515         functions.
6516         (class General_options): Remove existing --undefined, and add
6517         --no-undefined instead.  Add new --undefined as synonym for -u.
6518         * archive.cc (Archive::add_symbols): Check whether symbol was
6519         named with -u.
6520         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6521         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6522         all uses.  Add IS_UNDEFINED.  Update declarations to split
6523         different versions of init_base.  Declare init_base_undefined.
6524         (Symbol::is_defined): Handle IS_UNDEFINED.
6525         (Symbol::is_undefined): Likewise.
6526         (Symbol::is_weak_undefined): Call is_undefined.
6527         (Symbol::is_absolute): Handle IS_CONSTANT.
6528         (class Sized_symbol): Update declarations to split different
6529         versions of init.  Declare init_undefined.
6530         (class Symbol_table): Declare new functions.
6531         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6532         Change all callers.
6533         (Symbol::init_base_output_data): Likewise.
6534         (Symbol::init_base_output_segment): Likewise.
6535         (Symbol::init_base_constant): Likewise.
6536         (Symbol::init_base_undefined): New function.
6537         (Sized_symbol::init_object): Rename from init.  Change all
6538         callers.
6539         (Sized_symbol::init_output_data): Likewise.
6540         (Sized_symbol::init_output_segment): Likewise.
6541         (Sized_symbol::init_constant): Likewise.
6542         (Sized_symbol::init_undefined): New function.
6543         (Symbol_table::add_undefined_symbols_from_command_line): New
6544         function.
6545         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6546         function.
6547         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6548         (Symbol::output_section): Likewise.
6549         (Symbol::set_output_section): Likewise.
6550         (Symbol_table::sized_finalize_symbol): Likewise.
6551         (Symbol_table::sized_write_globals): Likewise.
6552         * resolve.cc (Symbol_table::should_override): Likewise.
6553         (Symbol::override_base_with_special): Likewise.
6554
6555         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6556         symbol, change it to have default visibility.
6557         * testsuite/protected_1.cc: New file.
6558         * testsuite/protected_2.cc: New file.
6559         * testsuite/protected_3.cc: New file.
6560         * testsuite/protected_main_1.cc: New file.
6561         * testsuite/protected_main_2.cc: New file.
6562         * testsuite/protected_main_3.cc: New file.
6563         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6564         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6565         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6566         (protected_1.so): New target.
6567         (protected_1_pic.o, protected_2_pic.o): New targets.
6568         (protected_3_pic.o): New target.
6569         (check_PROGRAMS): Add protected_2.
6570         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6571         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6572         * testsuite/Makefile.in: Rebuild.
6573
6574         * options.h (DEFINE_var): Add set_user_set_##varname__.
6575         (DEFINE_bool_alias): New macro.
6576         (class General_options): Define -Bstatic using DEFINE_bool_alias
6577         rather than DEFINE_special.  Add --undefined as an alias for -z
6578         defs.
6579         * options.cc (General_options::parse_Bstatic): Remove.
6580
6581         * options.h (class General_options): Add --fatal-warnings.
6582         * main.cc (main): Implement --fatal-warnings.
6583         * errors.h (Errors::warning_count): New function.
6584
6585         * options.h (class General_options): Add -Bsymbolic-functions.
6586         * symtab.h (Symbol::is_preemptible): Check for
6587         -Bsymbolic-functions.
6588
6589 2008-05-05  Ian Lance Taylor  <iant@google.com>
6590
6591         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6592         as noVARNAME rather than no-VARNAME.
6593         (class General_options): Add option -z combreloc.
6594         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6595         get_address.
6596         (Output_reloc::sort_before) [SHT_REL]: New function.
6597         (Output_reloc::sort_before) [SHT_RELA]: New function.
6598         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6599         Sort_relocs_comparison.
6600         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6601         parameter.  Change all callers.
6602         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6603         sort_relocs parameter.  Change all callers.
6604         * output.cc (Output_reloc::get_address): New function, broken out
6605         of write_rel.
6606         (Output_reloc::write_rel): Call it.
6607         (Output_reloc::compare): New function.
6608         (Output_data_reloc_base::do_write): Optionally sort relocs.
6609
6610         * configure.ac: If targ_extra_obj is set, link it in.
6611         * configure.tgt: Initialize all variables.
6612         (x86_64*): Set targ_extra_obj and targ_extra_size.
6613         * configure: Rebuild.
6614
6615         * object.cc (Sized_relobj::include_section_group): Adjust section
6616         indexes read from group data.  Build vector to pass to
6617         layout_group.
6618         * layout.cc (Layout::layout_group): Add flags and shndxes
6619         parameters.  Remove contents parameter.  Change caller.  Update
6620         explicit instantiations.
6621         * layout.h (class Layout): Update layout_group declaration.
6622         * output.cc (Output_data_group::Output_data_group): Add flags and
6623         input_shndxes parameters.  Remove contents parameter.  Change
6624         caller.
6625         (Output_data_group::do_write): Change input_sections_ to
6626         input_shndxes_.
6627         * output.h (class Output_data_group): Update constructor
6628         declaration.  Rename input_sections_ to input_shndxes_.
6629         * testsuite/many_sections_test.cc: Add template.
6630
6631 2008-04-30  Cary Coutant  <ccoutant@google.com>
6632
6633         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6634
6635         * layout.cc (Layout::include_section): Refactored check for debug
6636         info section.
6637         (Layout::add_comdat): Add new parameters.  Change type
6638         of signature parameter.  Add object and shndx to signatures table.
6639         (Layout::find_kept_object): New function.
6640         * layout.h: Include <cstring>.
6641         (Layout::is_debug_info_section): New function.
6642         (Layout::add_comdat): Add new parameters.
6643         (Layout::find_kept_object): New function.
6644         (Layout::Kept_section): New struct.
6645         (Layout::Signatures): Change type of map range.
6646         * object.cc (Relobj::output_section_address): New function.
6647         (Sized_relobj::include_section_group): Add new parameters.  Change
6648         calls to Layout::add_comdat.  Change to build table of kept comdat
6649         groups and table mapping discarded sections to kept sections.
6650         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6651         (Sized_relobj::do_layout): Change calls to include_section_group and
6652         include_linkonce_section.
6653         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6654         value to zero when section is discarded.
6655         (Sized_relobj::map_to_kept_section): New function.
6656         * object.h (Relobj::output_section_address): New function.
6657         (Relobj::Comdat_group): New type.
6658         (Relobj::find_comdat_group): New function.
6659         (Relobj::Comdat_group_table): New type.
6660         (Relobj::Kept_comdat_section): New type.
6661         (Relobj::Kept_comdat_section_table): New type.
6662         (Relobj::add_comdat_group): New function.
6663         (Relobj::set_kept_comdat_section): New function.
6664         (Relobj::get_kept_comdat_section): New function.
6665         (Relobj::comdat_groups_): New field.
6666         (Relobj::kept_comdat_sections_): New field.
6667         (Symbol_value::input_value): Update comment.
6668         (Sized_relobj::map_to_kept_section) New function.
6669         (Sized_relobj::include_linkonce_section): Add new parameter.
6670         * target-reloc.h (Comdat_behavior): New type.
6671         (get_comdat_behavior): New function.
6672         (relocate_section): Add code to map a discarded section to the
6673         corresponding kept section when applying a relocation.
6674
6675 2008-04-30  Craig Silverstein  <csilvers@google.com>
6676
6677         * dwarf_reader.cc (next_generation_count): New static var.
6678         (Addr2line_cache_entry): New struct.
6679         (addr2line_cache): New static var.
6680         (Dwarf_line_info::one_addr2line): Added caching.
6681         (Dwarf_line_info::clear_addr2line_cache): New function.
6682         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6683         cache-size parameter.
6684         (Dwarf_line_info::one_addr2line_cache): New function.
6685         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6686         new cache-size argument to one_addr2line(), and clear cache.
6687
6688 2008-04-28  Cary Coutant  <ccoutant@google.com>
6689
6690         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6691         R_386_PC8 relocations.
6692
6693 2008-04-23  Ian Lance Taylor  <iant@google.com>
6694
6695         * object.cc (Sized_relobj::include_section_group): Check for
6696         invalid section group.
6697
6698         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6699         header size.
6700
6701         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6702         than read for file header.
6703         * archive.cc (Archive::include_member): Likewise.
6704
6705 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6706
6707         * aclocal.m4: Regenerate.
6708         * configure: Regenerate.
6709
6710 2008-04-19  Ian Lance Taylor  <iant@google.com>
6711
6712         * version.cc (version_string): Bump to 1.6.
6713
6714         * testsuite/Makefile.am (many_sections_r_test): New target.
6715         (many_sections_r_test_SOURCES): Remove.
6716         (many_sections_r_test_DEPENDENCIES): Remove.
6717         (many_sections_r_test_LDFLAGS): Remove.
6718         (many_sections_r_test_LDADD): Remove.
6719
6720         * object.cc (Sized_relobj::do_add_symbols): Always pass
6721         local_symbol_count_ to add_from_relobj.
6722
6723         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6724         every thousand variables.
6725         * testsuite/Makefile.in: Rebuild.
6726
6727         * object.cc (Xindex::initialize_symtab_xindex): New function.
6728         (Xindex::read_symtab_xindex): New function.
6729         (Xindex::sym_xindex_to_shndx): New function.
6730         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6731         available.
6732         (Sized_relobj::do_initialize_xindex): New function.
6733         (Sized_relobj::do_read_symbols): Adjust section links.
6734         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6735         parameter.  Change all callers.
6736         (Sized_relobj::include_section_group): Adjust section links and
6737         symbol section indexes.
6738         (Sized_relobj::do_layout): Adjust section links.
6739         (Sized_relobj::do_count_local_symbols): Adjust section links and
6740         symbol section indexes.
6741         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6742         ordinary and special symbols.
6743         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6744         dynsym_xindex parameters.  Change all callers.  Adjust section
6745         links.  Use SHN_XINDEX when needed.
6746         (Sized_relobj::get_symbol_location_info): Adjust section links.
6747         Don't get fooled by special symbols.
6748         * object.h (class Xindex): Define.
6749         (class Object): Add xindex_ parameter.  Declare virtual functoin
6750         do_initialize_xindex.
6751         (Object::adjust_sym_shndx): New function.
6752         (Object::set_xindex): New protected function.
6753         (class Symbol_value): Add is_ordinary_shndx_ field.
6754         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6755         (Symbol_value::value): Assert ordinary section.
6756         (Symbol_value::initialize_input_to_output_map): Likewise.
6757         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6758         Change all callers.
6759         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6760         all callers.
6761         (class Sized_relobj): Update declarations.
6762         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6763         parameter.  Change all callers.
6764         (Sized_relobj::adjust_shndx): New function.
6765         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6766         field.
6767         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6768         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6769         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6770         (Sized_dynobj::read_dynsym_section): Adjust section links.
6771         (Sized_dynobj::read_dynamic): Likewise.
6772         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6773         section links.
6774         (Sized_dynobj::do_initialize_xindex): New function.
6775         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6776         do_initialize_xindex.
6777         (Sized_dynobj::adjust_shndx): New function.
6778         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6779         dynsym_xindex_ fields.
6780         (Layout::finalize): Add a call to set_section_indexes before
6781         creating the symtab sections.
6782         (Layout::set_section_indexes): Don't do anything if the section
6783         already has a section index.
6784         (Layout::create_symtab_sections): Add shnum parameter.  Change
6785         caller.  Create .symtab_shndx section if needed.
6786         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6787         caller.
6788         (Layout::allocated_output_section_count): New function.
6789         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6790         needed.
6791         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6792         fields.  Update declarations.
6793         (Layout::symtab_xindex): New function.
6794         (Layout::dynsym_xindex): New function.
6795         (class Write_symbols_task): Add layout_ field.
6796         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6797         Change caller.
6798         * output.cc (Output_section_headers::Output_section_headers): Add
6799         shstrtab_section parameter.  Change all callers.
6800         (Output_section_headers::do_sized_write): Store overflow values
6801         for section count and section string table section index in
6802         section header zero.
6803         (Output_file_header::do_sized_write): Check for overflow of
6804         section count and section string table section index.
6805         (Output_symtab_xindex::do_write): New function.
6806         (Output_symtab_xindex::endian_do_write): New function.
6807         * output.h (class Output_section_headers): Add shstrtab_section_.
6808         Update declarations.
6809         (class Output_symtab_xindex): Define.
6810         (Output_section::has_out_shndx): New function.
6811         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6812         field.
6813         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6814         Change all callers.
6815         (Sized_symbol::init): Likewise.
6816         (Symbol::output_section): Check for ordinary symbol.
6817         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
6818         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
6819         callers.
6820         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6821         Change all callers.  Simplify handling of symbols from sections
6822         not included in the link.
6823         (Symbol_table::add_from_dynobj): Handle ordinary symbol
6824         distinction.
6825         (Weak_alias_sorter::operator()): Assert that symbols are
6826         ordinary.
6827         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6828         distinction.
6829         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6830         parameters.  Change all callers.
6831         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
6832         symbol distinction.  Use SHN_XINDEX when needed.
6833         (Symbol_table::write_section_symbol): Add symtab_xindex
6834         parameter.  Change all callers.
6835         (Symbol_table::sized_write_section_symbol): Likewise.  Use
6836         SHN_XINDEX when needed.
6837         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
6838         declarations.
6839         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
6840         (Symbol::is_defined): Check is_ordinary.
6841         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6842         (Symbol::is_absolute, Symbol::is_common): Likewise.
6843         (class Sized_symbol): Update declarations.
6844         (class Symbol_table): Update declarations.
6845         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6846         parameters.  Change all callers.
6847         (Sized_symbol::override): Likewise.
6848         (Symbol_table::override): Likewise.
6849         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
6850         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
6851         is_ordinary, and orig_st_shndx parameters.  Change all callers.
6852         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6853         to be in an ordinary section.
6854         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6855         object and is_ordinary parameters.  Change all callers.
6856         (Sized_dwarf_line_info::read_relocs): Add object parameter.
6857         Change all callers.  Don't add undefined or non-ordinary symbols
6858         to reloc_map_.
6859         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6860         Change all callers.
6861         * dwarf_reader.h (class Sized_dwarf_line_info): Update
6862         declarations.
6863         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6864         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6865         (Sized_relobj::relocate_sections): Likewise.
6866         * target-reloc.h (scan_relocs): Adjust section symbol index.
6867         (scan_relocatable_relocs): Likewise.
6868         * i386.cc (Scan::local): Check for ordinary symbols.
6869         * sparc.cc (Scan::local): Likewise.
6870         * x86_64.cc (Scan::local): Likewise.
6871         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6872         to symbol_section_and_value.
6873         * testsuite/many_sections_test.cc: New file.
6874         * testsuite/Makefile.am (BUILT_SOURCES): Define.
6875         (check_PROGRAMS): Add many_sections_test.
6876         (many_sections_test_SOURCES): Define.
6877         (many_sections_test_DEPENDENCIES): Define.
6878         (many_sections_test_LDFLAGS): Define.
6879         (BUILT_SOURCES): Add many_sections_define.h.
6880         (many_sections_define.h): New target.
6881         (BUILT_SOURCES): Add many_sections_check.h.
6882         (many_sections_check.h): New target.
6883         (check_PROGRAMS): Add many_sections_r_test.
6884         (many_sections_r_test_SOURCES): Define.
6885         (many_sections_r_test_DEPENDENCIES): Define.
6886         (many_sections_r_test_LDFLAGS): Define.
6887         (many_sections_r_test_LDADD): Define.
6888         (many_sections_r_test.o): New target.
6889         * testsuite/Makefile.in: Rebuild.
6890
6891 2008-04-17  Cary Coutant  <ccoutant@google.com>
6892
6893         * errors.cc (Errors::info): New function.
6894         (gold_info): New function.
6895         * errors.h (Errors::info): New function.
6896         * gold.h (gold_info): New function.
6897         * object.cc (Input_objects::add_object): Print trace output.
6898         * options.cc (options::parse_set): New function.
6899         (General_options::parse_wrap): Deleted.
6900         (General_options::General_options): Deleted initializer.
6901         * options.h (options::String_set): New typedef.
6902         (options::parse_set): New function.
6903         (DEFINE_set): New macro.
6904         (General_options::wrap): Changed to use DEFINE_set. Changed
6905         callers of any_wrap_symbols and is_wrap_symbol.
6906         (General_options::trace, General_options::trace_symbol):
6907         New options.
6908         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6909         (General_options::wrap_symbols_): Deleted.
6910         * symtab.cc (Symbol_table::add_from_object): Print trace output.
6911
6912 2008-04-17  David S. Miller  <davem@davemloft.net>
6913
6914         * options.cc (General_options::parse_V): New function.
6915         * options.h: Add entries for -V and -Qy.
6916
6917 2008-04-17  Ian Lance Taylor  <iant@google.com>
6918
6919         * common.cc (Symbol_table::allocate_commons): Remove options
6920         parameter.  Change caller.
6921         (Symbol_table::do_allocate_commons): Remove options parameter.
6922         Change caller.  Just call do_allocate_commons_list twice.
6923         (Symbol_table::do_allocate_commons_list): New function, broken out
6924         of do_allocate_commons.
6925         * common.h (class Allocate_commons_task): Remove options_ field.
6926         Update constructor.
6927         * symtab.cc (Symbol_table::Symbol_table): Initialize
6928         tls_commons_.
6929         (Symbol_table::add_from_object): Put TLS common symbols on
6930         tls_commons_ list.
6931         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6932         which are IN_OUTPUT_DATA.
6933         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
6934         allocate_commons and do_allocate_commons declarations.  Declare
6935         do_allocate_commons_list.
6936         * gold.cc (queue_middle_tasks): Update creation of
6937         Allocate_commons_task to not pass options.
6938         * testsuite/Makefile.am (INCLUDES): Add -I.. .
6939         (TLS_TEST_C_FLAGS): New variable.
6940         (tls_test_c_pic.o): New target.
6941         (tls_test_shared.so): Link in tls_test_c_pic.o.
6942         (tls_test_c_pic_ie.o): New target.
6943         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6944         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6945         (tls_test_c.o): New target.
6946         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6947         (tls_pic_test_LDADD): Likewise.
6948         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6949         (tls_shared_gd_to_ie_test_LDADD): Likewise.
6950         (tls_test_c_gnu2.o): New target.
6951         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6952         tls_test_c_gnu2.o.
6953         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6954         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6955         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6956         * testsuite/tls_test.cc: Include "config.h".
6957         (t_last): Call t11_last.
6958         * testsuite/tls_test.h (t11, t11_last): Declare.
6959         * testsuite/tls_test_c.c: New file.
6960         * testsuite/tls_test_main.cc (thread_routine): Call t11.
6961         * configure.ac: Check for OpenMP support.
6962         * configure, config.in, Makefile.in: Rebuild.
6963         * testsuite/Makefile.in: Rebuild.
6964
6965 2008-04-16  Cary Coutant  <ccoutant@google.com>
6966
6967         * i386.cc (Target_i386::define_tls_base_symbol): New function.
6968         (Target_i386::tls_base_symbol_defined_): New field.
6969         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6970         (Target_i386::Scan::global): Likewise.
6971         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6972         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6973         (Target_x86_64::tls_base_symbol_defined_): New field.
6974         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6975         (Target_x86_64::Scan::global): Likewise.
6976
6977 2008-04-16  Cary Coutant  <ccoutant@google.com>
6978
6979         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6980         (Symbol::needs_plt_entry): Allow weak undefined symbols.
6981         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6982         building shared libraries.
6983         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6984         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6985         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6986         * testsuite/Makefile.in: Rebuild.
6987         * testsuite/weak_undef.h: New file.
6988         * testsuite/weak_undef_file1.cc: Add extra test cases.
6989         * testsuite/weak_undef_file2.cc: Likewise.
6990         * testsuite/weak_undef_test.cc: Likewise.
6991
6992 2008-04-16  David S. Miller  <davem@davemloft.net>
6993
6994         * sparc.cc (Target_sparc::Scan): Change from struct to class.
6995         Add issued_non_pic_error_ field.  Declare check_non_pic.
6996         (Target_sparc::Scan::check_non_pic): New function.
6997         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6998         (Target_sparc::Scan::global): Likewise.
6999
7000         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7001         * configure: Rebuild.
7002
7003         * options.h (DEFINE_enable): New macro.
7004         (new_dtags): New enable option.
7005         (initfirst, interpose, loadfltr, nodefaultlib,
7006         nodelete, nodlopen, nodump): New -z options.
7007         * layout.cc (Layout:finish_dynamic_section): If new
7008         dtags enabled, emit DT_RUNPATH.  Also, emit a
7009         DT_FLAGS_1 containing any specified -z flags.
7010
7011 2008-04-16  Ian Lance Taylor  <iant@google.com>
7012
7013         * copy-relocs.cc: New file.
7014         * copy-relocs.h: New file.
7015         * reloc.cc: Remove Copy_relocs code.
7016         * reloc.h: Likewise.
7017         * reloc-types.h (struct Reloc_types) [both versions]: Add
7018         get_reloc_addend_noerror.
7019         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7020         variants of add_global which take an addend which must be zero.
7021         * i386.cc: Include "copy-relocs.h".
7022         (class Target_i386): Change type of copy_relocs_ to variable,
7023         update initializer.
7024         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7025         Change all callers.
7026         (Target_i386::do_finalize_sections): Change handling of
7027         copy_relocs_.
7028         * sparc.cc: Include "copy-relocs.h".
7029         (class Target_sparc): Change type of copy_relocs_ to variable,
7030         update initializer.
7031         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7032         Change all callers.
7033         (Target_sparc::do_finalize_sections): Change handling of
7034         copy_relocs_.
7035         * x86_64.cc: Include "copy-relocs.h".
7036         (class Target_x86_64): Change type of copy_relocs_ to variable,
7037         update initializer.
7038         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7039         class.  Change all callers.
7040         (Target_x86_64::do_finalize_sections): Change handling of
7041         copy_relocs_.
7042         * Makefile.am (CCFILES): Add copy-relocs.cc.
7043         (HFILES): Add copy-relocs.h.
7044
7045         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7046
7047         * testsuite/script_test_4.sh: Permit leading zeroes.
7048
7049 2008-04-15  Ian Lance Taylor  <iant@google.com>
7050
7051         * script-sections.cc (Script_sections::create_segments): Use
7052         header_size_adjustment even when there is enough room for the
7053         headers.
7054         * testsuite/script_test_4.sh: New file.
7055         * testsuite/script_test_4.t: New file.
7056         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7057         (check_DATA): Add script_test_4.stdout.
7058         (MOSTLYCLEANFILES): Likewise.
7059         (script_test_4): New target.
7060         (script_test_4.stdout): New target.
7061         * testsuite/Makefile.in: Rebuild.
7062
7063         * sparc.cc: Add definitions for Output_data_plt_sparc class
7064         constants.
7065
7066 2008-04-14  David S. Miller  <davem@davemloft.net>
7067
7068         * sparc.cc: New file.
7069         * Makefile.am (TARGETSOURCES): Add sparc.cc
7070         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7071         * configure.tgt: Document targ_extra_size and
7072         targ_extra_big_endian.  Add entries for sparc-* and
7073         sparc64-*.
7074         * configure.ac: Handle targ_extra_size and
7075         targ_extra_big_endian.
7076         * Makefile.in: Rebuild.
7077         * configure: Likewise.
7078         * po/POTFILES.in: Likewise.
7079         * po/gold.pot: Likewise.
7080
7081 2008-04-14  Ian Lance Taylor  <iant@google.com>
7082
7083         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7084         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7085         in the name/type/flags to section mapping.  Don't call
7086         allocate_output_section.
7087         (Layout::choose_output_section): Change parameter from adjust_name
7088         to is_input_section.  Don't permit input sections after sections
7089         are attached to segments.  Don't call allocate_output_section.
7090         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7091         not write_enable_output_section.
7092         (Layout::make_output_section): Don't push to
7093         unattached_section_list_ nor call attach_to_segment.  Call
7094         attach_section_to_segment if sections are attached.
7095         (Layout::attach_sections_to_segments): New function.
7096         (Layout::attach_section_to_segment): New function.
7097         (Layout::attach_allocated_section_to_segment): Rename from
7098         attach_to_segment.  Remove flags parameter.
7099         (Layout::allocate_output_section): Remove function.
7100         (Layout::write_enable_output_section): Remove function.
7101         * layout.h (class Layout): Update for above changes.  Add new
7102         field sections_are_attached_.
7103         * output.h (Output_section::update_flags_for_input_section): New
7104         function.
7105         * output.cc (Output_section::add_input_section): Call
7106         update_flags_for_input_section.
7107         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7108
7109 2008-04-11  Cary Coutant  <ccoutant@google.com>
7110
7111         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7112         thought unnecessary.
7113         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7114
7115 2008-04-11  Ian Lance Taylor  <iant@google.com>
7116
7117         * output.h (class Output_section_data): Remove inline definition
7118         of set_addralign.
7119         * output.cc (Output_section_data::set_addralign): New function.
7120
7121 2008-04-11  Cary Coutant  <ccoutant@google.com>
7122
7123         Add support for TLS descriptors for i386 and x86_64.
7124         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7125         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7126         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7127         GOT_TYPE_TLS_DESC.
7128         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7129         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7130         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7131         relocations.
7132         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7133         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7134         Fix problem with initial-exec relocations.
7135         (Target_i386::Relocate::relocate_tls): Likewise.
7136         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7137         relaxation.
7138         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7139         support for section-plus-offset dynamic table entries.
7140         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7141         (Output_data_dynamic::Dynamic_entry): Add support for
7142         section-plus-offset dynamic table entries.
7143         (Output_data_dynamic::Classification): Likewise.
7144         (Output_data_dynamic::classification_): Renamed offset_.
7145         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7146         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7147         (Target_x86_64::make_plt_section): New function.
7148         (Target_x86_64::reserve_tlsdesc_entries): New function.
7149         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7150         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7151         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7152         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7153         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7154         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7155         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7156         add extra PLT entry for TLS descriptors.
7157         (Output_data_plt_x86_64::got_): New field.
7158         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7159         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7160         fields.
7161         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7162         descriptors.
7163         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7164         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7165         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7166         R_386_TLS_DESC_CALL relocations.
7167         (Target_x86_64::Scan::global): Likewise.
7168         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7169         for TLS descriptors.
7170         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7171         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7172         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7173         GD-to-IE relaxation.
7174         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7175         and TLS_DESCRIPTORS.
7176         * Makefile.in: Rebuild.
7177         * configure: Rebuild.
7178         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7179         (tls_test_shared2.so): New target.
7180         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7181         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7182         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7183         (tls_shared_gd_to_ie_test_LDADD): New variable.
7184         (tls_shared_gnu2_gd_to_ie_test): New target.
7185         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7186         New targets.
7187         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7188         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7189         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7190         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7191         (tls_shared_gnu2_test): New target.
7192         (tls_test_gnu2_shared.so): New target.
7193         (tls_shared_gnu2_test_SOURCES): New variable.
7194         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7195         (tls_shared_gnu2_test_LDFLAGS): New variable.
7196         (tls_shared_gnu2_test_LDADD): New variable.
7197         * testsuite/Makefile.in: Rebuild.
7198         * testsuite/Makefile.
7199
7200 2008-04-11  Ian Lance Taylor  <iant@google.com>
7201
7202         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7203         justsyms.t.
7204         * testsuite/Makefile.in: Rebuild.
7205
7206         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7207         long.
7208         * testsuite/script_test_2.cc (main): Adjust test.
7209
7210 2008-04-11  David S. Miller  <davem@davemloft.net>
7211             Ian Lance Taylor  <iant@google.com>
7212
7213         * options.h (General_options): Add entries for '-Y' and
7214         '-relax'.
7215         * options.cc (General_options:finalize): If -Y was used, add those
7216         entries to the library path instead of the default "/lib" and
7217         "/usr/lib".
7218
7219 2008-04-11  David S. Miller  <davem@davemloft.net>
7220
7221         * testsuite/justsyms.t: Start at 0x100.
7222         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7223         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7224         long.
7225         * testsuite/script_test_2.cc: Adjust string and section length
7226         checks.
7227
7228 2008-04-09  Ian Lance Taylor  <iant@google.com>
7229
7230         PR gold/5996
7231         * script-sections.cc (Sections_element::allocate_to_segment): Add
7232         orphan parameter.
7233         (Output_section_definition::allocate_to_segment): Likewise.
7234         (Orphan_output_section::allocate_to_segment): Likewise.
7235         (Script_sections::attach_sections_using_phdrs_clause): Don't
7236         propagate non-PT_LOAD segments to orphan sections.
7237         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7238         readelf rather than objdump.
7239         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7240         .interp section and PT_INTERP segment are the same size.
7241         * testsuite/Makefile.in: Rebuild.
7242
7243         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7244         aliases for symbols defined in the same object.
7245         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7246         (weak_alias_test_SOURCES): New variable.
7247         (weak_alias_test_DEPENDENCIES): New variable.
7248         (weak_alias_test_LDFLAGS): New variable.
7249         (weak_alias_test_LDADD): New variable.
7250         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7251         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7252         (weak_alias_test_3.o): New target.
7253         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7254         * testsuite/weak_alias_test_main.cc: New file.
7255         * testsuite/weak_alias_test_1.cc: New file.
7256         * testsuite/weak_alias_test_2.cc: New file.
7257         * testsuite/weak_alias_test_3.cc: New file.
7258
7259 2008-04-08  Ian Lance Taylor  <iant@google.com>
7260
7261         * options.h (class General_options): Add --noinhibit-exec option.
7262         * main.cc (main): Check --noinhibit-exec.
7263
7264         * options.h (class General_options): Define --wrap as a special
7265         option.  Add wrap_symbols_ field.
7266         (General_options::any_wrap_symbols): New function.
7267         (General_options::is_wrap_symbol): New function.
7268         * options.cc (General_options::parse_wrap): New function.
7269         (General_options::General_options): Initialize wrap_symbols_.
7270         * symtab.cc (Symbol_table::wrap_symbol): New function.
7271         (Symbol_table::add_from_object): Handle --wrap.
7272         * symtab.h (class Symbol_table): Declare wrap_symbol.
7273         * target.h (Target::wrap_char): New function.
7274         (Target::Target_info): Add wrap_char field.
7275         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7276         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7277         * testsuite/testfile.cc (Target_test::test_target_info):
7278         Likewise.
7279
7280         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7281         there is one.
7282
7283         * layout.h (class Layout): Add added_eh_frame_data_ field.
7284         * layout.cc (Layout::Layout): Initialize new field.
7285         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7286         output section until we find a section we merged successfully.
7287         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7288         that the size be non-zero.
7289
7290         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7291         qualifier.
7292
7293 2008-04-08  Craig Silverstein  <csilvers@google.com>
7294
7295         * configure.ac: Export new conditional variable HAVE_ZLIB.
7296         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7297         on HAVE_ZLIB.
7298         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7299         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7300
7301 2008-04-07  Ian Lance Taylor  <iant@google.com>
7302
7303         * version.cc (version_string): Set to "1.5".
7304
7305         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7306         Add issued_non_pic_error_ field.  Declare check_non_pic.
7307         (Target_x86_64::Scan::check_non_pic): New function.
7308         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7309         (Target_x86_64::Scan::global): Likewise.
7310
7311         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7312         addend parameter.  Change caller.  Handle merge sections.
7313         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7314         Address to Addend.  Don't add in the result of
7315         local_section_offset, pass down the addend and use the returned
7316         value.
7317         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7318         Update declarations of local_section_offset and symbol_value.
7319         * testsuite/two_file_test_1.cc (t18): New function.
7320         * testsuite/two_file_test_2.cc (f18): New function.
7321         * testsuite/two_file_test_main.cc (main): Call t18.
7322         * testsuite/two_file_test.h (t18, f18): Declare.
7323
7324         * configure.ac: Don't test for objdump, c++filt, or readelf.
7325         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7326         conditionals.
7327         (TEST_READELF): New variable.
7328         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7329         (check_PROGRAMS): Add two_file_strip_test.
7330         (two_file_strip_test): New target.
7331         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7332         (two_file_same_shared_strip_test_SOURCES): New variable.
7333         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7334         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7335         (two_file_same_shared_strip_test_LDADD): New variable.
7336         (two_file_shared_strip.so): New target.
7337         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7338         (ver_test_5.syms, ver_test_7.syms): Likewise.
7339         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7340         (strip_test_3.stdout): Use TEST_OBJDUMP.
7341         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7342
7343 2008-04-04  Cary Coutant  <ccoutant@google.com>
7344
7345         * symtab.h (Symbol::is_weak_undefined): New function.
7346         (Symbol::is_strong_undefined): New function.
7347         (Symbol::is_absolute): New function.
7348         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7349         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7350         absolute symbols.
7351         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7352         (weak_undef_test): New target.
7353         * testsuite/Makefile.in: Rebuild.
7354         * testsuite/weak_undef_file1.cc: New file.
7355         * testsuite/weak_undef_file2.cc: New file.
7356         * testsuite/weak_undef_test.cc: New file.
7357
7358 2008-04-03  Craig Silverstein  <csilvers@google.com>
7359
7360         * compressed_output.h (class Output_compressed_section): Use
7361         unsigned buffer.
7362         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7363         add zlib header.
7364         (zlib_compressed_suffix): Removed.
7365         (Output_compressed_section::set_final_data_size): Use unsigned
7366         buffers.
7367         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7368         Fix linker invocation.
7369         (flagstest_o_specialfile_and_compress_debug_sections):
7370         Likewise.
7371         * testsuite/Makefile.in: Regenerated.
7372
7373 2008-04-02  David S. Miller  <davem@davemloft.net>
7374
7375         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7376         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7377
7378 2008-04-02  Craig Silverstein  <csilvers@google.com>
7379
7380         * TODO: New file.
7381
7382 2008-04-02  Ian Lance Taylor  <iant@google.com>
7383
7384         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7385         parameters.  Update for new key type to views_.  Change all
7386         callers.
7387         (File_read::read): Adjust for byteshift in returned view.
7388         (File_read::add_view): New function, broken out of
7389         find_and_make_view.
7390         (File_read::make_view): New function, broken out of
7391         find_and_make_view.
7392         (File_read::find_or_make_view): Add offset and aligned
7393         parameters.  Rewrite accordingly.  Change all callers.
7394         (File_read::get_view): Add offset and aligned parameters.  Adjust
7395         for byteshift in return value.
7396         (File_read::get_lasting_view): Likewise.
7397         * fileread.h (class File_read): Update declarations.
7398         (class File_read::View): Add byteshift_ field.  Add byteshift to
7399         constructor.  Add byteshift method.
7400         * archive.h (Archive::clear_uncached_views): New function.
7401         (Archive::get_view): Add aligned parameter.  Change all callers.
7402         * object.h (Object::get_view): Add aligned parameter.  Change all
7403         callers.
7404         (Object::get_lasting_view): Likewise.
7405
7406         * fileread.cc (File_read::release): Don't call clear_views if
7407         there are multiple objects.
7408         * fileread.h (File_read::clear_uncached_views): New function.
7409         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7410         on the archive.
7411
7412 2008-03-31  Cary Coutant  <ccoutant@google.com>
7413
7414         Add thin archive support.
7415         * archive.cc (Archive::armagt): New const.
7416         (Archive::setup): Remove task parameter and calls to unlock.
7417         (Archive::unlock_nested_archives): New function.
7418         (Archive::read_header): Add nested_off parameter. Change
7419         all callers.
7420         (Archive::interpret_header): Likewise.
7421         (Archive::include_all_members): Change to handle thin
7422         archives.
7423         (Archive::include_member): Likewise.
7424         * archive.h (Archive::Archive): Add new parameters and
7425         initializers.
7426         (Archive::armagt): New const.
7427         (Archive::setup): Remove task parameter.
7428         (Archive::unlock_nested_archives): New function.
7429         (Archive::read_header): Add nested_off parameter.
7430         (Archive::interpret_header): Likewise.
7431         (Archive::Nested_archive_table): New typedef.
7432         (Archive::is_thin_archive_): New field.
7433         (Archive::nested_archives_): New field.
7434         (Archive::options_): New field.
7435         (Archive::dirpath_): New field.
7436         (Archive::task_): New field.
7437         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7438         for thin archives.  Pass additional parameters to
7439         Archive::Archive.  Unlock the archive file after calling
7440         Archive::setup.
7441
7442 2008-03-29  Ian Lance Taylor  <iant@google.com>
7443
7444         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7445         version symbol to be local.
7446         * testsuite/ver_test_4.sh: New file.
7447         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7448         (check_DATA): Add ver_test_4.syms.
7449         (ver_test_4.syms): New target.
7450         * testsuite/Makefile.in: Rebuild.
7451
7452         * output.cc
7453         (Output_section::Input_section_sort_entry::has_priority): New
7454         function.
7455         (Output_section::Input_section_sort_entry::match_file_name): New
7456         function.
7457         (Output_section::Input_section_sort_entry::match_section_name):
7458         Remove.
7459         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7460         Remove.
7461         (Output_section::Input_section_sort_entry::match_section_file):
7462         Remove.
7463         (Output_section::Input_section_sort_compare::operator()): Rewrite
7464         using new Input_section_sort_entry functions.  Sort crtbegin and
7465         crtend first.  Sort sections with no priority before sections with
7466         a priority.
7467         * testsuite/initpri1.c (d3): Check j != 4.
7468         (cd5): New constructor/destructor function.
7469         (main): Check j != 2.
7470
7471         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7472         new symbol when resolving, don't call set_is_default.
7473         * testsuite/ver_test_7.cc: New file.
7474         * testsuite/ver_test_7.sh: New file.
7475         * testsuite/Makefile.am (ver_test_7.so): New target.
7476         (ver_test_7.o): New target.
7477         (check_SCRIPTS): Add ver_test_7.sh.
7478         (check_DATA): Add ver_test_7.syms.
7479         (ver_test_7.syms): New target.
7480
7481 2008-03-28  Ian Lance Taylor  <iant@google.com>
7482
7483         * layout.cc (Layout::layout): If we see an input section with a
7484         name that needs sorting, set the must_sort flag for the output
7485         section.
7486         (Layout::make_output_section): If the name of the output section
7487         indicates that it might require sorting, set the may_sort flag.
7488         * output.h (Output_section::may_sort_attached_input_sections): New
7489         function.
7490         (Output_section::set_may_sort_attached_input_sections): New
7491         function.
7492         (Output_section::must_sort_attached_input_sections): New
7493         function.
7494         (Output_section::set_must_sort_attached_input_sections): New
7495         function.
7496         (class Output_section): Declare Input_section_sort_entry.  Define
7497         Input_section_sort_compare.  Declare
7498         sort_attached_input_sections.  Add new fields:
7499         may_sort_attached_input_sections_,
7500         must_sort_attached_input_sections_,
7501         attached_input_sections_are_sorted_.
7502         * output.cc (Output_section::Output_section): Initialize new
7503         fields.
7504         (Output_section::add_input_section): Add an entry to
7505         input_sections_ if may_sort or must_sort are true.
7506         (Output_section::set_final_data_size): Call
7507         sort_attached_input_sections if necessary.
7508         (Output_section::Input_section_sort_entry): Define new class.
7509         (Output_section::Input_section_sort_compare::operator()): New
7510         function.
7511         (Output_section::sort_attached_input_sections): New function.
7512         * configure.ac: Check whether the compiler supports constructor
7513         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7514         * testsuite/initpri1.c: New file.
7515         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7516         CONSTRUCTOR_PRIORITY.
7517         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7518         (initpri1_LDFLAGS): New variable.
7519         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7520
7521 2008-03-27  Ian Lance Taylor  <iant@google.com>
7522
7523         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7524         * testsuite/common_test_1.c: New file.
7525         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7526         (common_test_1_SOURCES): New variable.
7527         (common_test_1_DEPENDENCIES): New variable.
7528         (common_test_1_LDFLAGS): New variable.
7529
7530         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7531         and commons_ correctly when NAME/VERSION does not override
7532         NAME/NULL.
7533         * testsuite/ver_test_6.c: New file.
7534         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7535         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7536         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7537
7538 2008-03-26  Ian Lance Taylor  <iant@google.com>
7539
7540         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7541         of an undefined symbol from a version script.
7542         * testsuite/Makefile.am (ver_test_5.so): New target.
7543         (ver_test_5.o): New target.
7544         (check_SCRIPTS): Add ver_test_5.sh.
7545         (check_DATA): Add ver_test_5.syms.
7546         (ver_test_5.syms): New target.
7547         * testsuite/ver_test_5.cc: New file.
7548         * testsuite/ver_test_5.script: New file.
7549         * testsuite/ver_test_5.sh: New file.
7550         * Makefile.in, testsuite/Makefile.in: Rebuild.
7551
7552         PR gold/5986
7553         Fix problems building gold with gcc 4.3.0.
7554         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7555         (gold_error_at_location, gold_warning_at_location): Use it.
7556         * configure.ac: Check whether we can compile and use a template
7557         function with a printf attribute.
7558         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7559         when jumping over bytes.
7560         * object.cc: Instantiate Object::read_section_data.
7561         * debug.h: Include <cstring>
7562         * dwarf_reader.cc: Include <algorithm>
7563         * main.cc: Include <cstring>.
7564         * options.cc: Include <cstring>.
7565         * output.cc: Include <cstring>.
7566         * script.cc: Include <cstring>.
7567         * script.h: Include <string>.
7568         * symtab.cc: Include <cstring> and <algorithm>.
7569         * target-select.cc: Include <cstring>.
7570         * version.cc: Include <string>.
7571         * testsuite/testmain.cc: Include <cstdlib>.
7572         * configure, config.in: Rebuild.
7573
7574 2008-03-25  Ian Lance Taylor  <iant@google.com>
7575
7576         * options.cc: Include "../bfd/bfdver.h".
7577         (options::help): Print bug reporting address.
7578
7579         * version.cc (print_version): Adjust output for current value of
7580         BFD_VERSION_STRING.
7581
7582         * NEWS: New file.
7583
7584         * options.cc (options::help): Print list of supported targets.
7585         * target-select.h: Include <vector>.
7586         (class Target_selector): Make machine_, size_, and is_big_endian_
7587         fields const.  Add bfd_name_ and instantiated_target_ fields.
7588         (Target_selector::Target_selector): Add bfd_name parameter.
7589         (Target_selector::recognize): Make non-virtual, call
7590         do_recognize.
7591         (Target_selector::recognize_by_name): Make non-virtual, call
7592         do_recognize_by_name.
7593         (Target_selector::supported_names): New function.
7594         (Target_selector::bfd_name): New function.
7595         (Target_selector::do_instantiate_target): New pure virtual
7596         function.
7597         (Target_selector::do_recognize): New virtual function.
7598         (Target_selector::do_recognize_by_name): New virtual function.
7599         (Target_selector::instantiate_target): New private function.
7600         (supported_target_names): Declare.
7601         * target-select.cc (Target_selector::Target_selector): Update for
7602         new parameter and fields.
7603         (select_target_by_name): Check that the name matches before
7604         calling recognize_by_name.
7605         (supported_target_names): New function.
7606         * i386.cc (class Target_selector_i386): Update Target_selector
7607         constructor call.  Remove recognize and recognize_by_name.  Add
7608         do_instantiate_target.
7609         * x86_64.cc (class Target_selector_x86_64): Likewise.
7610         * testsuite/testfile.cc (class Target_selector_test): Update for
7611         changes to Target_selector.
7612
7613         * README: Rewrite, with some notes on unsupported features.
7614
7615 2008-03-24  Cary Coutant  <ccoutant@google.com>
7616
7617         * i386.cc (Target_i386::Got_type): New enum declaration.
7618         (Target_i386::Scan::local): Updated callers of Output_data_got
7619         member functions.
7620         (Target_i386::Scan::global): Likewise.
7621         (Target_i386::Relocate::relocate): Likewise.
7622         (Target_i386::Relocate::relocate_tls): Likewise.
7623         * object.h (Got_offset_list): New class.
7624         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7625         (Sized_relobj::local_got_offset): Likewise.
7626         (Sized_relobj::set_local_got_offset): Likewise.
7627         (Sized_relobj::local_has_tls_got_offset): Removed.
7628         (Sized_relobj::local_tls_got_offset): Removed.
7629         (Sized_relobj::set_local_tls_got_offset): Removed.
7630         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7631         * output.cc (Output_data_got::add_global): Added got_type parameter.
7632         (Output_data_got::add_global_with_rel): Likewise.
7633         (Output_data_got::add_global_with_rela): Likewise.
7634         (Output_data_got::add_global_pair_with_rel): New function.
7635         (Output_data_got::add_global_pair_with_rela): New function.
7636         (Output_data_got::add_local): Added got_type parameter.
7637         (Output_data_got::add_local_with_rel): Likewise.
7638         (Output_data_got::add_local_with_rela): Likewise.
7639         (Output_data_got::add_local_pair_with_rel): New function.
7640         (Output_data_got::add_local_pair_with_rela): New function.
7641         (Output_data_got::add_global_tls): Removed.
7642         (Output_data_got::add_global_tls_with_rel): Removed.
7643         (Output_data_got::add_global_tls_with_rela): Removed.
7644         (Output_data_got::add_local_tls): Removed.
7645         (Output_data_got::add_local_tls_with_rel): Removed.
7646         (Output_data_got::add_local_tls_with_rela): Removed.
7647         * output.h (Output_data_got::add_global): Added got_type parameter.
7648         (Output_data_got::add_global_with_rel): Likewise.
7649         (Output_data_got::add_global_with_rela): Likewise.
7650         (Output_data_got::add_global_pair_with_rel): New function.
7651         (Output_data_got::add_global_pair_with_rela): New function.
7652         (Output_data_got::add_local): Added got_type parameter.
7653         (Output_data_got::add_local_with_rel): Likewise.
7654         (Output_data_got::add_local_with_rela): Likewise.
7655         (Output_data_got::add_local_pair_with_rel): New function.
7656         (Output_data_got::add_local_pair_with_rela): New function.
7657         (Output_data_got::add_global_tls): Removed.
7658         (Output_data_got::add_global_tls_with_rel): Removed.
7659         (Output_data_got::add_global_tls_with_rela): Removed.
7660         (Output_data_got::add_local_tls): Removed.
7661         (Output_data_got::add_local_tls_with_rel): Removed.
7662         (Output_data_got::add_local_tls_with_rela): Removed.
7663         * resolve.cc (Symbol::override_base_with_special): Removed
7664         reference to has_got_offset_ field.
7665         * symtab.cc (Symbol::init_fields): Replaced initialization
7666         of got_offset_ with got_offsets_.  Removed initialization
7667         of has_got_offset_
7668         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7669         (Symbol::got_offset): Likewise.
7670         (Symbol::set_got_offset): Likewise.
7671         (Symbol::has_tls_got_offset): Removed.
7672         (Symbol::tls_got_offset): Removed.
7673         (Symbol::set_tls_got_offset): Removed.
7674         (Symbol::got_offset_): Removed.
7675         (Symbol::tls_mod_got_offset_): Removed.
7676         (Symbol::tls_pair_got_offset_): Removed.
7677         (Symbol::got_offsets_): New field.
7678         (Symbol::has_got_offset): Removed.
7679         (Symbol::has_tls_mod_got_offset): Removed.
7680         (Symbol::has_tls_pair_got_offset): Removed.
7681         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7682         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7683         member functions.
7684         (Target_x86_64::Scan::global): Likewise.
7685         (Target_x86_64::Relocate::relocate): Likewise.
7686         (Target_x86_64::Relocate::relocate_tls): Likewise.
7687
7688 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7689
7690         * yyscript.y: Fix spelling error in comment.
7691
7692 2008-03-24  Ian Lance Taylor  <iant@google.com>
7693
7694         * options.h (class General_options): Define build_id option.
7695         * layout.h (class Layout): Declare write_build_id, create_note,
7696         create_build_id.  Add build_id_note_ member.
7697         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7698         "libiberty.h", "md5.h", "sha1.h".
7699         (Layout::Layout): Initialize eh_frame_data_,
7700         eh_frame_hdr_section_, and build_id_note_.
7701         (Layout::finalize): Call create_build_id.
7702         (Layout::create_note): New function, broken out of
7703         Layout::create_gold_note.
7704         (Layout::create_gold_note): Call create_note.
7705         (Layout::create_build_id): New function.
7706         (Layout::write_build_id): New function.
7707         (Close_task_runner::run): Call write_build_id.
7708
7709         * x86_64.cc: Correct license to GPLv3.
7710
7711 2008-03-23  Ian Lance Taylor  <iant@google.com>
7712
7713         * options.cc: Include "demangle.h".
7714         (parse_optional_string): New function.
7715         (parse_long_option): Handle takes_optional_argument.
7716         (parse_short_option): Update dash_z initializer.  Handle
7717         takes_optional_argument.
7718         (General_options::General_options): Initialize do_demangle_.
7719         (General_options::finalize): Set do_demangle_.  Handle demangling
7720         style.
7721         * options.h (parse_optional_string): Declare.
7722         (struct One_option): Add optional_arg field.  Update constructor.
7723         Update call constructor calls.  Add takes_optional_argument
7724         function.
7725         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7726         (DEFINE_optional_string): Define.
7727         (General_options::demangle): Change from DEFINE_bool to
7728         DEFINE_optional_string.
7729         (General_options::no_demangle): New function.
7730         (General_options::do_demangle): New function.
7731         (General_options::set_do_demangle): New function.
7732         (General_options::execstack_status_): Move definition to end of
7733         class definition.
7734         (General_options::static_): Likewise.
7735         (General_options::do_demangle_): New field.
7736         * object.cc (big_endian>::get_symbol_location_info): Call
7737         Options::do_demangle, not Options::demangle.
7738         * symtab.cc (demangle): Likewise.
7739
7740 2008-03-22  Ian Lance Taylor  <iant@google.com>
7741
7742         * gold.h: Include <cstddef> and <sys/types.h>
7743         * options.h: Include <cstring>.
7744
7745 2008-03-21  Ian Lance Taylor  <iant@google.com>
7746
7747         * Added source code to GNU binutils.