* archive.cc (Archive::include_member): Adjust call to report_object.
[external/binutils.git] / gold / ChangeLog
1 2011-03-30 Cary Coutant  <ccoutant@google.com>
2
3         * archive.cc (Archive::include_member): Adjust call to report_object.
4         (Add_archive_symbols::run): Add script_info to call to
5         report_archive_begin.
6         (Lib_group::include_member): Adjust call to report_object.
7         (Add_lib_group_symbols::run): Adjust call to report_object.
8         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
9         blocks.  Add object count for script input files.
10         * incremental.cc (Incremental_inputs::report_archive_begin): Add
11         script_info parameter; change all callers.
12         (Incremental_inputs::report_object): Add script_info parameter;
13         change all callers.
14         (Incremental_inputs::report_script): Store backpointer to
15         incremental info entry.
16         (Output_section_incremental_inputs::set_final_data_size): Record
17         additional information for scripts.
18         (Output_section_incremental_inputs::write_info_blocks): Likewise.
19         * incremental.h (Incremental_script_entry::add_object): New function.
20         (Incremental_script_entry::get_object_count): New function.
21         (Incremental_script_entry::get_object): New function.
22         (Incremental_script_entry::objects_): New data member; adjust
23         constructor.
24         (Incremental_inputs::report_archive_begin): Add script_info parameter.
25         (Incremental_inputs::report_object): Add script_info parameter.
26         (Incremental_inputs_reader::get_object_count): New function.
27         (Incremental_inputs_reader::get_object_offset): New function.
28         * options.cc (Input_arguments::add_file): Return reference to
29         new input argument.
30         * options.h (Input_argument::set_script_info): New function.
31         (Input_argument::script_info): New function.
32         (Input_argument::script_info_): New data member; adjust all
33         constructors.
34         (Input_file_group::add_file): Return reference to new input argument.
35         (Input_file_lib::add_file): Likewise.
36         (Input_arguments::add_file): Likewise.
37         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
38         * script.cc (Parser_closure::Parser_closure): Add script_info
39         parameter; adjust all callers.
40         (Parser_closure::script_info): New function.
41         (Parser_closure::script_info_): New data member.
42         (read_input_script): Report scripts earlier to incremental info.
43         (script_add_file): Set script_info in Input_argument.
44         (script_add_library): Likewise.
45         * script.h (Script_options::Script_info): Rewrite class.
46
47 2011-03-29 Cary Coutant  <ccoutant@google.com>
48
49         * archive.cc (Library_base::should_include_member): Move
50         method here from class Archive.
51         (Archive::Archive): Initialize base class.
52         (Archive::should_include_member): Move to base class.
53         (Archive::do_for_all_unused_symbols): New function.
54         (Add_archive_symbols::run): Remove redundant access to
55         incremental_inputs.
56         (Lib_group::Lib_group): Initialize base class.
57         (Lib_group::do_filename): New function.
58         (Lib_group::include_member): Pass pointer to Lib_group to
59         report_object.
60         (Lib_group::do_for_all_unused_symbols): New function.
61         (Add_lib_group_symbols::run): Report archive information for
62         incremental links.
63         * archive.h (class Library_base): New base class.
64         (class Archive): Derive from Library_base.
65         (Archive::filename): Move to base class.
66         (Archive::set_incremental_info): Likewise.
67         (Archive::incremental_info): Likewise.
68         (Archive::Should_include): Likewise.
69         (Archive::should_include_member): Likewise.
70         (Archive::Armap_entry): Remove.
71         (Archive::Unused_symbol_iterator): Remove.
72         (Archive::unused_symbols_begin): Remove.
73         (Archive::unused_symbols_end): Remove.
74         (Archive::do_filename): New function.
75         (Archive::do_get_mtime): New function.
76         (Archive::do_for_all_unused_symbols): New function.
77         (Archive::task_): Move to base class.
78         (Archive::incremental_info_): Likewise.
79         (class Lib_group): Derive from Library_base.
80         (Lib_group::do_filename): New function.
81         (Lib_group::do_get_mtime): New function.
82         (Lib_group::do_for_all_unused_symbols): New function.
83         (Lib_group::task_): Move to base class.
84         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
85         function.
86         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
87         function.
88         * incremental.cc (Incremental_inputs::report_archive_begin):
89         Use Library_base; call library's get_mtime; add incremental inputs
90         entry before members.
91         (class Unused_symbol_visitor): New class.
92         (Incremental_inputs::report_archive_end): Use Library_base; use
93         visitor class to record unused symbols; don't add incremental inputs
94         entry after members.
95         (Incremental_inputs::report_object): Use Library_base.
96         * incremental.h
97         (Incremental_archive_entry::Incremental_archive_entry): Remove
98         unused Archive parameter.
99         (Incremental_inputs::report_archive_begin): Use Library_base.
100         (Incremental_inputs::report_archive_end): Likewise.
101         (Incremental_inputs::report_object): Likewise.
102         * object.cc (Sized_relobj::do_for_all_global_symbols): New
103         function.
104         * object.h (Object::for_all_global_symbols): New function.
105         (Object::do_for_all_global_symbols): New function.
106         (Sized_relobj::do_for_all_global_symbols): New function.
107         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
108         function.
109         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
110         function.
111
112 2011-03-27  Ian Lance Taylor  <iant@google.com>
113
114         * archive.cc (Archive::interpret_header): Return -1 if something
115         goes wrong.  Change callers accordingly.
116
117 2011-03-25  Cary Coutant  <ccoutant@google.com>
118
119         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
120         * testsuite/Makefile.in: Regenerate.
121
122 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
123
124         * plugin.cc (get_view): New.
125         (Plugin::load): Pass get_view to the plugin.
126         (Plugin_manager::get_view): New.
127
128 2011-03-21  Ian Lance Taylor  <iant@google.com>
129
130         * testsuite/final_layout.sh: Rewrite to not use dc.
131         * testsuite/relro_test.sh: Fail if dc is not present.
132
133 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
134
135         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
136         Change == to -eq.
137         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
138         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
139         Change == to -eq.
140         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
141         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
142
143 2011-03-14  Ian Lance Taylor  <iant@google.com>
144
145         * script-sections.cc (Sort_output_sections::script_compare):
146         Rename from is_before, change return type.
147         (Sort_output_sections::operator()): Adjust accordingly.
148
149 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
150
151         PR gold/12572
152         * testsuite/odr_violation2.cc: Add comment to make all error line
153         numbers double digits.
154         * testsuite/debug_msg.sh: Adjust expected errors.
155
156 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
157
158         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
159         but mark earlier ones as non-canonical
160         (offset_to_iterator): Update search target and example
161         (do_addr2line): Return extra lines in a vector*
162         (format_file_lineno): Extract from do_addr2line
163         (one_addr2line): Add vector* out-param
164         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
165         when a lineno entry appeared last for its instruction
166         (Dwarf_line_info): Add vector* out-param
167         * object.cc (Relocate_info): Pass NULL for the vector* out-param
168         * symtab.cc (Odr_violation_compare): Include the lineno in the
169         comparison again.
170         (linenos_from_loc): New. Combine the canonical line for an
171         address with its other lines.
172         (True_if_intersect): New. Helper functor to make
173         std::set_intersection a query.
174         (detect_odr_violations): Compare sets of lines instead of just
175         one line for each function. This became less deterministic, but
176         has fewer false positives.
177         * symtab.h: Declarations.
178         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
179         mix an optimized and non-optimized object in the same binary
180         (odr_violation2.so): Same.
181         * testsuite/Makefile.in: Regenerate from Makefile.am.
182         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
183         * testsuite/debug_msg.sh: Update line numbers and add
184         assertions.
185         * testsuite/odr_violation1.cc: Use OdrDerived, in a
186         non-optimized context.
187         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
188         isn't inlined, and use OdrDerived in an optimized context.
189         * testsuite/odr_header1.h: Defines OdrDerived, where
190         optimization will change the
191         first-instruction-in-the-destructor's file and line number.
192         * testsuite/odr_header2.h: Defines OdrBase.
193
194 2011-03-09  Ian Lance Taylor  <iant@google.com>
195
196         * fileread.cc (File_read::clear_views): Don't delete the whole
197         file view.
198
199 2011-03-08  Ian Lance Taylor  <iant@google.com>
200
201         PR gold/12525
202         * fileread.cc: #include <climits>.
203         (GOLD_IOV_MAX): Define.
204         (File_read::read_multiple): Limit number of entries by iov_max.
205         * fileread.h (class File_read): Always set max_readv_entries to
206         128.
207
208 2011-03-07  Ian Lance Taylor  <iant@google.com>
209
210         PR gold/12525
211         * options.h (class General_options): Add -dy and -dn.
212
213 2011-03-02  Cary Coutant  <ccoutant@google.com>
214
215         * testsuite/script_test_9.t: Add TLS segment.
216
217 2011-03-02  Simon Baldwin  <simonb@google.com>
218
219         * configure.ac: Add check for gnu_indirect_function support in
220         the toolchain building binutils.
221         * configure: Rebuild.
222
223 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
224
225         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
226         plugin only symbols.
227         (Symbol_table::sized_finalize_symbol) Mark symbol only present
228         in plugin files as not needed in the symbol table.
229
230 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
231
232         * output.cc (Output_section::add_input_section): Delay fill
233         generation for section ordering.
234
235 2011-02-09  Ian Lance Taylor  <iant@google.com>
236
237         PR gold/12316
238         * object.h (class Sized_relobj): Remove clear_local_symbols.
239         * reloc.cc (Sized_relobj::do_relocate): Don't call
240         clear_local_symbols.
241
242 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
243
244         * plugin.cc (is_visible_from_outside): Return true for symbols
245         in the -u option.
246
247 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
248
249         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
250         filename.
251
252 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
253
254         * icf.h (is_section_foldable_candidate): Change type of parameter
255         to std::string.
256         * icf.cc (Icf::find_identical_sections): Change type of local variable
257         section_name to be std::string.
258         (is_function_ctor_or_dtor): Change type of parameter to std::string.
259
260 2011-01-25  Ian Lance Taylor  <iant@google.com>
261
262         * script.cc (script_add_extern): Rewrite to use
263         add_symbol_reference.
264
265 2011-01-25  Doug Kwan  <dougkwan@google.com>
266
267         * icf.cc (get_section_contents): Always lock section's object.
268
269 2011-01-24  Ian Lance Taylor  <iant@google.com>
270
271         * options.h (class General_options): Accept
272         --no-detect-odr-violations.
273
274 2011-01-24  Ian Lance Taylor  <iant@google.com>
275
276         * version.cc (version_string): Bump to 1.11.
277
278 2011-01-24  Ian Lance Taylor  <iant@google.com>
279
280         * plugin.cc (class Plugin_rescan): Define new class.
281         (Plugin_manager::claim_file): Set any_claimed_.
282         (Plugin_manager::save_archive): New function.
283         (Plugin_manager::save_input_group): New function.
284         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
285         necessary.
286         (Plugin_manager::new_undefined_symbol): New function.
287         (Plugin_manager::rescan): New function.
288         (Plugin_manager::rescannable_defines): New function.
289         (Plugin_manager::add_input_file): Set any_added_.
290         * plugin.h (class Plugin_manager): define new fields rescannable_,
291         undefined_symbols_, any_claimed_, and any_added_.  Declare
292         Plugin_rescan as friend.  Declare new functions.
293         (Plugin_manager::Rescannable): Define type.
294         (Plugin_manager::Rescannable_list): Define type.
295         (Plugin_manager::Undefined_symbol_list): Define type.
296         (Plugin_manager::Plugin_manager): Initialize new fields.
297         * archive.cc (Archive::defines_symbol): New function.
298         (Add_archive_symbols::run): Pass archive to plugins if any.
299         * archive.h (class Archive): Declare defines_symbol.
300         * readsyms.cc (Input_group::~Input_group): New function.
301         (Finish_group::run): Pass input_group to plugins if any.
302         * readsyms.h (class Input_group): Declare destructor.
303         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
304         any.
305
306 2011-01-10  Ian Lance Taylor  <iant@google.com>
307
308         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
309         section as relro.
310         (Layout::set_segment_offsets): Reset increase_relro before calling
311         set_section_addresses a second time.
312
313 2011-01-04  Cary Coutant  <ccoutant@google.com>
314
315         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
316         sections before NOBITS sections.
317
318 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
319
320         * version.cc (print_version): Update copyright to 2011.
321
322 2010-12-23  Cary Coutant  <ccoutant@google.com>
323
324         * output.h (Output_data_reloc::add_output_section): Pass OD instead
325         of OS to this->add.  Add OD parameter to second form of the function.
326
327 2010-12-20  Ian Lance Taylor  <iant@google.com>
328
329         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
330         second of two consecutive entries with same offset.
331
332 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
333
334         * testsuite/Makefile.am (ifuncmain2static_LDADD)
335         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
336         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
337         to avoid unneeded links against $(LDADD).
338         * testsuite/Makefile.in: Regenerate.
339
340 2010-12-15  Ian Lance Taylor  <iant@google.com>
341
342         PR gold/12324
343         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
344         for R_X86_64_32 and R_X86_64_PC32.
345         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
346         ver_matching_def_pic.o.
347         (ver_matching_def_pic.o): New target.
348
349 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
350
351         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
352         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
353         Move definition before File_read::View member definitions.
354         (File_read::View::~View): Initialize and hold lock before
355         updating current_mapped_bytes.
356
357 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
358
359         * dwarf_reader.cc: Remove outdated comment.
360         * gold-threads.cc: Fix typo in error message.
361         * archive.cc: Fix typos in comments.
362         * archive.h: Likewise.
363         * arm-reloc-property.cc: Likewise.
364         * arm-reloc-property.h: Likewise.
365         * arm-reloc.def: Likewise.
366         * arm.cc: Likewise.
367         * attributes.h: Likewise.
368         * cref.cc: Likewise.
369         * ehframe.cc: Likewise.
370         * fileread.h: Likewise.
371         * gold.h: Likewise.
372         * i386.cc: Likewise.
373         * icf.cc: Likewise.
374         * incremental.h: Likewise.
375         * int_encoding.cc: Likewise.
376         * layout.h: Likewise.
377         * main.cc: Likewise.
378         * merge.h: Likewise.
379         * object.cc: Likewise.
380         * object.h: Likewise.
381         * options.cc: Likewise.
382         * readsyms.cc: Likewise.
383         * reduced_debug_output.cc: Likewise.
384         * reloc.cc: Likewise.
385         * script-sections.cc: Likewise.
386         * sparc.cc: Likewise.
387         * symtab.h: Likewise.
388         * target-reloc.h: Likewise.
389         * target.cc: Likewise.
390         * target.h: Likewise.
391         * timer.cc: Likewise.
392         * timer.h: Likewise.
393         * x86_64.cc: Likewise.
394
395 2010-12-09  Cary Coutant  <ccoutant@google.com>
396
397         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
398         stack.
399         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
400         parameter; change all callers.
401         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
402         * options.h (warn_execstack): New option.
403
404 2010-12-07  Doug Kwan  <dougkwan@google.com>
405
406         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
407         like function call relocations.
408
409 2010-12-07  Ian Lance Taylor  <iant@google.com>
410
411         * archive.cc (Archive::get_elf_object_for_member): Permit
412         punconfigured to be NULL.
413         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
414         (Archive::include_member): Pass NULL to get_elf_object_for_member
415         if we searched for the archive and this is the first included
416         object.
417
418 2010-12-01  Ian Lance Taylor  <iant@google.com>
419
420         * dwarf_reader.h (class Sized_dwarf_line_info): Add
421         track_relocs_type_ field.
422         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
423         Set track_relocs_type_.
424         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
425         contents when using RELA relocs.
426         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
427         reloc_map_.
428         * reloc.cc (Track_relocs::next_addend): New function.
429         * reloc.h (class Track_relocs): Declare next_addend.
430
431 2010-12-01  Ian Lance Taylor  <iant@google.com>
432
433         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
434         virtual destructor.
435
436 2010-12-01  Ian Lance Taylor  <iant@google.com>
437
438         * README: Update compilers known to work and fail.
439
440 2010-11-23  Matthias Klose  <doko@ubuntu.com>
441
442         * configure.in: For --enable-gold, handle value `default' instead of
443         `both*'.  Always install ld as ld.bfd, install as ld if gold is
444         not the default.
445         * configure: Regenerate.
446
447 2010-11-18  Doug Kwan  <dougkwan@google.com>
448
449         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
450         and right_alignment to be zero.  Store result alignment only if it is
451         greater than existing alignment.
452
453 2010-11-16  Cary Coutant  <ccoutant@google.com>
454
455         PR gold/12220
456         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
457         Check for ".zdebug_line".
458
459 2010-11-16  Doug Kwan  <dougkwan@google.com>
460             Cary Coutant  <ccoutant@google.com>
461
462         * output.h (Output_segment::set_section_addresses): Pass increase_relro
463         by reference; adjust all callers.
464         * output.cc (Output_segment::set_section_addresses): Adjust references
465         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
466         list is empty.
467         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
468         end at page boundary.
469
470 2010-11-16  Cary Coutant  <ccoutant@google.com>
471
472         PR gold/12220
473         * layout.cc (Layout::choose_output_section): Transform names of
474         compressed sections even when using a script with a SECTIONS clause.
475         (Layout::output_section_name): Remove code to transform
476         compressed debug section names.
477         * output.cc (Output_section::add_input_section): Use uncompressed
478         section size when tracking input sections.
479
480 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
481
482         * symtab.h (Symbol::NON_PIC_REF): Remove.
483         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
484         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
485         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
486         (Symbol::use_plt_offset): Take a flags argument and pass it
487         directly to needs_dynamic_reloc.  Restrict check for undefined
488         weak symbols to function calls.
489         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
490         (Target_arm::Scan::global): Use it.
491         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
492         (Target_arm::Relocate::relocate): Likewise.
493         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
494         parameter with an r_type parameter.  Use get_reference_flags
495         to get the flags.
496         (Target_arm::Relocate::relocate): Update accordingly.
497         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
498         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
499         (Target_i386::Scan::global): Likewise.
500         (Target_i386::Relocate::relocate): Likewise.
501         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
502         parameter with an r_type parameter.  Use get_reference_flags
503         to get the flags.
504         (Target_i386::Relocate::relocate): Update accordingly.
505         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
506         (Target_powerpc::Scan::global): Use it.
507         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
508         (Target_powerpc::Relocate::relocate): Likewise.
509         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
510         (Target_sparc::Scan::global): Use it.
511         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
512         (Target_sparc::Relocate::relocate): Likewise.
513         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
514         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
515         (Target_x86_64::Scan::global): Likewise.
516         (Target_x86_64::Relocate::relocate): Likewise.
517
518 2010-11-08  Doug Kwan  <dougkwan@google.com>
519             Cary Coutant  <ccoutant@google.com>
520
521         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
522         (Arm_exidx_merge_section::section_contents_): New data member.
523         (Arm_input_section::Arm_input_section): Initialize original_contents_.
524         (Arm_input_section::~Arm_input_section): De-allocate memory.
525         (Arm_input_section::original_contents_): New data member.       
526         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
527         in parameters instead of calling Object::section_contents without
528         locking.
529         (Arm_output_section::group_section): New parameter TASK.  Pass it
530         to callees that need locking objects.
531         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
532         to lock EXIDX input sections.  Fix a formatting issue.  Call
533         Arm_exidx_merged_section::build_contents to create merged section
534         contents.
535         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
536         to lock object of stub table owner.
537         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
538         TEXT_SIZE to initialize data member TEXT_SIZE_.
539         (Arm_exidx_input_section::addralign): Fix typo in comment.
540         (Arm_exidx_input_section::text_size): New method.
541         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
542         that require locking objects.  Lock objects before scanning for stubs
543         and updating local symbols.
544         (Arm_input_section<big_endian>::init): Copy contents of original
545         input section.
546         (Arm_input_section<big_endian>::do_write): Use saved contents of
547         original input section instead of calling Object::section_contents
548         without locking.
549         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
550         size without calling Object::section_size().
551         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
552         for size.  Allocate a buffer for merged EXIDX entries.
553         (Arm_exidx_merged_section::build_contents): New method.
554         (Arm_exidx_merged_section::do_write): Move merge section contents
555         building code to Arm_exidx_merged_section::build_contetns.  Write
556         out contetns in buffer instead of building it on the fly.
557         (Arm_relobj::make_exidx_input_section): Also pass text section size
558         to Arm_exidx_input_section constructor.
559         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
560         (Arm_dynobj::do_read_symbols): Fix memory leak.
561         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
562         * target.h: (class Task): Add forward declaration.
563         (Target::relax): Add new parameter TASK and pass it to
564         Target::do_relax().
565         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
566
567 2010-11-05  Cary Coutant  <ccoutant@google.com>
568
569         PR gold/10708
570         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
571         object when reading from the file.
572         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
573         second layout pass.
574         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
575         when reading section contents.
576         (get_section_contents): Likewise.
577         (icf::find_identical_sections): Likewise.
578         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
579         object when reading from the file.
580         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
581         the object when doing deferred section layout.
582
583 2010-11-03  Nick Clifton  <nickc@redhat.com>
584
585         PR gold/12001
586         * script.h (class Symbol_assignment: name): New member.  Returns
587         the name of the symbol.
588         * scrfipt.cc (Script_options::is_pending_assignment): New member.
589         Returns true if the given symbol name is on the list of
590         assignments wating to be processed.
591         * archive.cc (should_incldue_member): If the symbol is undefined,
592         check to see if it is on the list of symbols pending assignment.
593
594 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
595
596         * script-sections.cc (Script_sections::find_memory_region): Check
597         for a NULL output section pointer.
598
599 2010-10-29  Doug Kwan  <dougkwan@google.com>
600
601         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
602         Output_section::add_relaxed_input_section.
603         * output.cc (Output_section::add_relaxed_input_section): Add new
604         arguments LAYOUT and NAME.  Set section order index.
605         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
606         Copy section order index.
607         * output.h (Output_section::add_relaxed_input_section): Add new
608         arguments LAYOUT and NAME.
609
610 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
611
612         * testsuite/Makefile.am: Move gcctestdir/ld rule to
613         NATIVE_OR_CROSS_LINKER.
614         * testsuite/Makefile.in: Regenerate.
615
616 2010-10-20  Doug Kwan  <dougkwan@google.com>
617
618         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
619         without SHF_LINK_ORDER flags.
620         * layout.cc (Layout::choose_output_section): Do not filter
621         SHF_LINK_ORDER flag in a relocatable link.
622
623 2010-10-17  Cary Coutant  <ccoutant@google.com>
624
625         * output.h (Output_segment::set_section_addresses): Change function
626         signature.  Update all callers.
627         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
628         sections.
629         (Output_segment::set_section_addresses): Align after last TLS
630         section.  Add padding before last relro section instead of after.
631
632 2010-10-17  Doug Kwan  <dougkwan@google.com>
633
634         * gold/arm.cc (Target_arm::got_section): Use correct order and set
635         GOT output section to be writable.
636
637 2010-10-14  Cary Coutant  <ccoutant@google.com>
638
639         * debug.h (DEBUG_INCREMENTAL): New flag.
640         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
641         * gold.cc (queue_initial_tasks): Check parameters for incremental link
642         mode.
643         * incremental.cc (report_command_line): Ignore all forms of
644         --incremental.
645         * layout.cc (Layout::Layout): Check parameters for incremental link
646         mode.
647         * options.cc (General_options::parse_incremental): New function.
648         (General_options::parse_no_incremental): New function.
649         (General_options::parse_incremental_full): New function.
650         (General_options::parse_incremental_update): New function.
651         (General_options::incremental_mode_): New data member.
652         (General_options::finalize): Check incremental_mode_.
653         * options.h (General_options): Update help text for --incremental.
654         Add --no-incremental, --incremental-full, --incremental-update.
655         (General_options::Incremental_mode): New enum type.
656         (General_options::incremental_mode): New function.
657         (General_options::incremental_mode_): New data member.
658         * parameters.cc (Parameters::incremental_mode_): New data member.
659         (Parameters::set_options): Set incremental_mode_.
660         (Parameters::set_incremental_full): New function.
661         (Parameters::incremental): New function.
662         (Parameters::incremental_update): New function.
663         (set_parameters_incremental_full): New function.
664         * parameters.h (Parameters::set_incremental_full): New function.
665         (Parameters::incremental): New function.
666         (Parameters::incremental_update): New function.
667         (Parameters::incremental_mode_): New data member.
668         (set_parameters_incremental_full): New function.
669         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
670         incremental link mode.
671         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
672         (Sized_relobj::do_relocate_sections): Likewise.
673         * testsuite/Makefile.am (incremental_test): Use --incremental-full
674         option.
675         * testsuite/Makefile.in: Regenerate.
676         * testsuite/incremental_test.sh: Filter all forms of --incremental.
677
678 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
679
680         * script-sections.h (class Script_sections): Make
681         Sections_elements typedef public.
682         * script-sections.cc (class Sort_output_sections): Add elements_
683         field.  Add constructor which sets it; change all callers.
684         (Sort_output_sections::is_before): New function.
685         (Sort_output_sections::operator()): Call is_before.
686         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
687         conditional.
688         * testsuite/script_test_10.sh: New test. Test script section
689         order.
690         * testsuite/script_test_10.t: Likewise.
691         * testsuite/script_test_10.s: Likewise.
692         * testsuite/Makefile.am: Wrap the cross linker tests and the
693         common tests into NATIVE_OR_CROSS_LINKER.
694         (check_SCRIPTS): Add script_test_10.sh.
695         (check_DATA): Add script_test_10.stdout.
696         (script_test_10.o, script_test_10): New targets.
697         (script_test_10.stdout): New target.
698         * configure, testsuite/Makefile.in: Regenerate.
699
700 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
701
702         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
703         error for the deprecated relocations.
704         (Target_arm::Scan::global): Likewise.
705         (Target_arm::Relocate::relocate): Likewise.
706
707 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
708
709         * fileread.cc (Input_file::find_file): Initialize *found_name
710         and *namep when using the fallback search for case 4.
711
712 2010-10-11  Cary Coutant  <ccoutant@google.com>
713
714         * options.h (class General_options): Redefine -z lazy as an alias for
715         the negation of -z now.
716
717 2010-10-11  Ian Lance Taylor  <iant@google.com>
718
719         * resolve.cc (symbol_to_bits): Report the value of the unsupported
720         binding.
721
722 2010-10-06  Nick Clifton  <nickc@redhat.com>
723
724         * script-sections.cc(class Memory_region): Remove
725         current_lma_offset_ field.  Rename current_vma_offset_ to
726         current_offset_.  Add last_section_ field.
727         (Memory_region::get_current_vma_address): Rename to
728         get_current_address.
729         (Memory_region::get_current_lma_address): Delete.
730         (Memory_region::increment_vma_offset): Rename to
731         increment_offset.
732         (Memory_region::increment_lma_offset): Delete.
733         (Memory_region::attributes_compatible): New method.  Returns
734         true if the provided section is compatible with the region.
735         (Memory_region::get_last_section): New method.  Returns the last
736         section to use the region.
737         (Memory_region::set_last_section): New method.  Stores the last
738         section to use the region.
739         (Script_sections::block_in_region): New method.  Returns true if
740         a block of memory is contained within a region.
741         (Script_sections::find_memory_region): New method.  Locates a
742         memory region to be used to set a VMA or LMA address.
743         (Output_section_definition::set_section_addresses): Add code to
744         check for addresses set by memory regions.
745         (Output_segment::set_section_addresses): Remove memory region
746         walking code.
747         (Script_sections::create_segment): Add a warning if a header
748         segment is created outside of any region.
749         * script-sections.h (class Script_sections): Add prototypes for
750         find_memory_region and block_in_region methods.
751         * testsuite/memory_test.s: Use .long instead of .word.
752         * testsuite/memory_test.t: Add some more output sections.
753         * testsuite/memory_test.sh: Update expected output.
754
755 2010-10-02  Doug Kwan  <dougkwan@google.com>
756
757         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
758         defintion to symtab.h
759         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
760         declaration to defintion.
761
762 2010-10-01  Nick Clifton  <nickc@redhat.com>
763
764         * expression.cc (eval): Replace dummy argument with NULL.
765         (eval_maybe_dot): Check for a NULL result section pointer.
766         (Symbol_expression::value): Likewise.
767         (Dot_expression::value): Likewise.
768         (BINARY_EXPRESSION): Likewise.
769         (Max_expression::value): Likewise.
770         (Min_expression::value): Likewise.
771         (Absolute_expression::value): Likewise.
772         (Addr_expression::value_from_output_section): Likewise.
773         (Loaddddr_expression::value_from_output_section): Likewise.
774         (Segment_start_expression::value): Likewise.
775         * script-sections.cc
776         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
777         argument with NULL.
778         (Sections_elememt_dot_assignment::set_section_addresses):
779         Likewise.
780         (Output_data_expression::do_write_to_buffer): Likewise.
781         (Output_section_definition::finalize_symbols): Likewise.
782         (Output_section_definition::set_section_addresses): Likewise.
783
784 2010-09-30  Doug Kwan  <dougkwan@google.com>
785
786         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
787
788 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
789
790         * target.h (Target::can_icf_inline_merge_sections): New virtual
791         function.
792         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
793         virtual function.
794         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
795         virtual function.
796         * icf.cc (get_section_contents): Inline merge sections only when
797         target allows it.
798
799 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
800
801         * configure: Regenerate.
802
803 2010-09-17  Ian Lance Taylor  <iant@google.com>
804
805         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
806         * testsuite/Makefile.am (memory_test.o): New target.
807         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
808         memory_test.t.
809         * testsuite/Makefile.in: Rebuild.
810
811 2010-09-17  Doug Kwan  <dougkwan@google.com>
812
813         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
814         defintion if relocation uses GOT entries of the symbol.
815         * testsuite/icf_safe_test.sh: Fix test.
816         * testsuite/icf_safe_so_test.sh: Fix test.
817
818 2010-09-16  Cary Coutant  <ccoutant@google.com>
819
820         * script_sections.cc (class Memory_region): Remove "NULL" from
821         vector initializations.
822
823 2010-09-15  Cary Coutant  <ccoutant@google.com>
824
825         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
826         Resolve forwarding symbols.
827
828 2010-09-15  Doug Kwan  <dougkwan@google.com>
829
830         * gold/testsuite/script_test_3.t: Add ARM special sections.
831         * gold/testsuite/script_test_4.t: Same.
832         * gold/testsuite/script_test_5.t: Same.
833         * gold/testsuite/script_test_6.t: Same.
834         * gold/testsuite/script_test_7.t: Same.
835         * gold/testsuite/script_test_7.t: Same.
836         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
837
838 2010-09-14  Cary Coutant  <ccoutant@google.com>
839
840         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
841         (Target_x86_64::Relocate::relocate_tls): Replace check for
842         saw_tls_block_reloc_ with test for executable section.
843
844 2010-09-12  Cary Coutant  <ccoutant@google.com>
845
846         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
847         position-independent executables to shared libraries need dynamic
848         relocations.
849         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
850         position-independent executables.
851         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
852         * testsuite/Makefile.in: Regenerate.
853
854 2010-09-10  Nick Clifton  <nickc@redhat.com>
855
856         PR gold/11997
857         * testsuite/memory_test.t: Discard any sections that are not
858         needed.
859
860 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
861
862         PR gold/11996
863         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
864         "This::" to work around a bug in gcc 4.2.
865
866         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
867
868 2010-09-09  Rafael Espindola  <espindola@google.com>
869
870         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
871         sections with different PF_X flags in the same segment.
872         (Layout::find_first_load_seg): Search all segments to find the first
873         one.
874         * options.h (rosegment): New.
875
876 2010-09-08  Rafael Espindola  <espindola@google.com>
877
878         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
879
880 2010-09-08  Doug Kwan  <dougkwan@google.com>
881
882         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
883         (Arm_relobj::do_relocate_sections): Add new parameter for output
884         file to match the parent.
885         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
886         of local symbols instead of input values.  Update code to track
887         changes in gold::relocate_section.
888         * object.cc (Sized_relobj::compute_final_local_value): New methods.
889         (Sized_relobj::compute_final_local_value_internal): New methods.
890         (Sized_relobj::do_finalize_local_symbols): Move code from loop
891         body into private version of Sized_relobj::compute_final_local_value.
892         Call the inline method.
893         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
894         merged symbol value if there is one.
895         (Symbol_value::has_output_value): New method defintiion.
896         (Sized_relobj::Compute_final_local_value_status): New enum type.
897         (Sized_relobj::compute_final_local_value): New methods.
898         (Sized_relobj::compute_final_local_value_internal): New methods.
899         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
900         and arm_cortex_a8.sh.
901         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
902         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
903         New tests.
904         * Makefile.in: Regenerate.
905         * testsuite/arm_bl_out_of_range.s: Update test.
906         * testsuite/thumb_bl_out_of_range.s: Ditto.
907         * testsuite/thumb_blx_out_of_range.s: Ditto.
908         * testsuite/arm_branch_out_of_range.sh: New file.
909         * testsuite/arm_cortex_a8.sh: Ditto.
910         * testsuite/arm_cortex_a8_b.s: Ditto.
911         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
912         * testsuite/arm_cortex_a8_b_local.s: Ditto.
913         * testsuite/arm_cortex_a8_bl.s: Ditto.
914         * testsuite/arm_cortex_a8_blx.s: Ditto.
915         * testsuite/arm_cortex_a8_local.s: Ditto.
916         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
917         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
918
919 2010-09-08  Rafael Espindola  <espindola@google.com>
920
921         * Makefile.am (memory_test.stdout): Run readelf with -W.
922         * Makefile.in: Regenerate.
923         * testsuite/memory_test.sh: Make the regexps accept both 32 and
924         64 bit output.
925
926 2010-09-08  Rafael Espindola  <espindola@google.com>
927
928         * script-sections.cc (Script_sections::add_memory_region): Convert
929         field precision to int.
930         * script.cc (script_set_section_region, script_set_section_region):
931         Convert field precision to int.
932
933 2010-09-08  Rafael Espindola  <espindola@google.com>
934
935         * arm.cc (do_finalize_sections): Create the __exidx_start and
936         __exdix_end symbols even when the section is missing.
937
938 2010-09-08  Nick Clifton  <nickc@redhat.com>
939
940         * README: Remove claim that MEMORY is not supported.
941         * expression.cc (script_exp_function_origin)
942         (script_exp_function_length): Move from here to ...
943         * script.cc: ... here.
944         (script_set_section_region, script_add_memory)
945         (script_parse_memory_attr, script_include_directive): New
946         functions.
947         * script-sections.cc
948         (class Memory_region): New class.
949         (class Output_section_definition): Add set_memory_region,
950         set_section_vma, set_section_lma and get_section_name methods.
951         (class Script_Sections): Add add_memory_region,
952         find_memory_region, find_memory_region_origin,
953         find_memory_region_length and set_memory_region methods.
954         Have set_section_addresses method walk the list of set memory
955         regions.
956         Extend the print methos to display memory regions.
957         * script-sections.h: Add prototypes for new methods.
958         Add enum for MEMORY region attributes.
959         * yyscript.y: Add support for parsing MEMORY regions.
960         * script-c.h: Add prototypes for new functions.
961         * testsuite/Makefile.am: Add test of MEMORY region functionality.
962         * testsuite/Makefile.in: Regenerate.
963         * testsuite/memory_test.sh: New script.
964         * testsuite/memory_test.s: New assembler source file.
965         * testsuite/memory_test.t: New linker script.
966
967 2010-08-27  Doug Kwan  <dougkwan@google.com>
968
969         * gold/resolve.cc (Symbol_table::should_override): Let a weak
970         reference override an existing dynamic weak reference.
971         * testsuite/Makefile.am: Add new test dyn_weak_ref.
972         * testsuite/Makefile.in: Regenerate.
973         * testsuite/dyn_weak_ref.sh: New file.
974         * testsuite/dyn_weak_ref_1.c: Ditto.
975         * testsuite/dyn_weak_ref_2.c: Ditto.
976
977 2010-08-27  Ian Lance Taylor  <iant@google.com>
978
979         * incremental.h (class Incremental_input_entry): Add virtual
980         destructor.
981
982 2010-08-27  Ian Lance Taylor  <iant@google.com>
983
984         * testsuite/start_lib_test_3.c: Mark t3 as used.
985
986 2010-08-27  Nick Clifton  <nickc@redhat.com>
987
988         * options.cc (version_script): Fix small typo in previous
989         whitespace tidyup.
990
991 2010-08-25  Nick Clifton  <nickc@redhat.com>
992
993         * archive.cc: Formatting fixes: Remove whitespace between
994         typename and following asterisk.  Remove whitespace between
995         function name and opening parenthesis.
996         * archive.h: Likewise.
997         * arm.cc: Likewise.
998         * attributes.cc: Likewise.
999         * attributes.h: Likewise.
1000         * common.cc: Likewise.
1001         * copy-relocs.cc: Likewise.
1002         * dirsearch.h: Likewise.
1003         * dynobj.cc: Likewise.
1004         * ehframe.cc: Likewise.
1005         * ehframe.h: Likewise.
1006         * expression.cc: Likewise.
1007         * fileread.cc: Likewise.
1008         * fileread.h: Likewise.
1009         * gc.h: Likewise.
1010         * gold-threads.cc: Likewise.
1011         * gold.cc: Likewise.
1012         * i386.cc: Likewise.
1013         * icf.h: Likewise.
1014         * incremental-dump.cc: Likewise.
1015         * incremental.cc: Likewise.
1016         * layout.cc: Likewise.
1017         * layout.h: Likewise.
1018         * main.cc: Likewise.
1019         * merge.cc: Likewise.
1020         * merge.h: Likewise.
1021         * object.cc: Likewise.
1022         * object.h: Likewise.
1023         * options.cc: Likewise.
1024         * options.h: Likewise.
1025         * output.cc: Likewise.
1026         * output.h: Likewise.
1027         * plugin.cc: Likewise.
1028         * plugin.h: Likewise.
1029         * powerpc.cc: Likewise.
1030         * reloc.cc: Likewise.
1031         * script-c.h: Likewise.
1032         * script-sections.cc: Likewise.
1033         * script.cc: Likewise.
1034         * stringpool.cc: Likewise.
1035         * symtab.cc: Likewise.
1036         * symtab.h: Likewise.
1037         * target.cc: Likewise.
1038         * timer.cc: Likewise.
1039         * timer.h: Likewise.
1040         * version.cc: Likewise.
1041         * x86_64.cc: Likewise.
1042
1043 2010-08-24  Nick Clifton  <nickc@redhat.com>
1044
1045         PR 11899
1046         * layout.cc (segment_precedes): Sort segments by their physical
1047         addresses, if they have been set.
1048
1049 2010-08-23  Cary Coutant  <ccoutant@google.com>
1050
1051         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
1052         symbols data.
1053         (Lib_group::include_member): Unlock object after deleting its
1054         symbols data.
1055         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
1056         the bug fixed here.
1057
1058 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
1059             Cary Coutant  <ccoutant@google.com>
1060
1061         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
1062         constructor, and set_blocker.
1063         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
1064         readsyms_blocker_.
1065         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
1066         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
1067         * testsuite/Makefile.am (start_lib_test): New test case.
1068         * testsuite/Makefile.in: Regenerate.
1069         * testsuite/start_lib_test_main.c: New file.
1070         * testsuite/start_lib_test_1.c: New file.
1071         * testsuite/start_lib_test_2.c: New file.
1072         * testsuite/start_lib_test_3.c: New file.
1073
1074 2010-08-19  Ian Lance Taylor  <iant@google.com>
1075
1076         * Makefile.in: Rebuild with automake 1.11.1.
1077         * aclocal.m4: Likewise.
1078         * testsuite/Makefile.in: Likewise.
1079
1080 2010-08-19  Ian Lance Taylor  <iant@google.com>
1081
1082         PR 10893
1083         * i386.cc (class Output_data_plt_i386): Update declarations.
1084         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
1085         local_ifuncs_ fields.
1086         (Target_i386::do_plt_section_for_global): New function.
1087         (Target_i386::do_plt_section_for_local): New function.
1088         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
1089         parameter; change all callers.  Initialize global_ifuncs_ and
1090         local_ifuncs_.  If doing a static link define __rel_iplt_start and
1091         __rel_iplt_end.
1092         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
1093         (Output_data_plt_i386::add_local_ifunc_entry): New function.
1094         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
1095         symbols.
1096         (Target_i386::make_plt_section): New function, broken out of
1097         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
1098         (Target_i386::make_plt_entry): Call make_plt_section.
1099         (Target_i386::make_local_ifunc_plt_entry): New function.
1100         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
1101         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
1102         R_386_IRELATIVE to switch.
1103         (Target_i386::Scan::global): Likewise.
1104         (Target_i386::Relocate::relocate): Likewise.
1105         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
1106         switch.
1107         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
1108         (Target_x86_64::do_plt_section_for_global): New function.
1109         (Target_x86_64::do_plt_section_for_local): New function.
1110         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
1111         parameter; change all callers.  If doing a static link define
1112         __rela_iplt_start and __rela_iplt_end.
1113         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
1114         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
1115         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
1116         to point to .plt.
1117         (Target_x86_64::make_local_ifunc_plt_entry): New function.
1118         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
1119         switch.
1120         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
1121         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
1122         R_X86_64_IRELATIVE to switch.
1123         (Target_x86_64::Scan::global): Likewise.
1124         (Target_x86_64::Relocate::relocate): Likewise.
1125         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
1126         switch.
1127         * target.h (class Target): Add plt_section_for_global and
1128         plt_section_for_local functions.  Add do_plt_section_for_global
1129         and do_plt_section_for_local virtual functions.
1130         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
1131         clarifying comments.
1132         (Symbol::use_plt_offset): Handle IFUNC symbol.
1133         * object.cc (Sized_relobj::Sized_relobj): Initialize
1134         local_plt_offsets_.
1135         (Sized_relobj::local_has_plt_offset): New function.
1136         (Sized_relobj::local_plt_offset): New function.
1137         (Sized_relobj::set_local_plt_offset): New function.
1138         (Sized_relobj::do_count): Handle IFUNC symbol.
1139         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
1140         a bit away from input_shndx_ field.  Add set_is_func_symbol and
1141         is_ifunc_symbol functions.
1142         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
1143         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
1144         local_plt_offsets_ field.
1145         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
1146         * output.h (class Output_section_data): Add non-const
1147         output_section function.
1148         (class Output_data_got): Update declarations.
1149         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
1150         Add use_plt_offset parameter to global and local constructors.
1151         Change all callers.  Change local_sym_index_ field to 31 bits.
1152         Change GSYM_CODE and CONSTANT_CODE accordingly.
1153         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
1154         doing a static link don't set sh_link field.
1155         (Output_data_got::Got_entry::write): Use PLT offset if
1156         appropriate.
1157         (Output_data_got::add_global_plt): New function.
1158         (Output_data_got::add_local_plt): New function.
1159         * target-reloc.h (relocate_section): Handle IFUNC symbol.
1160         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
1161         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
1162         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
1163         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
1164         IFUNC conditional.
1165         * testsuite/ifunc-sel.h: New file.
1166         * testsuite/ifuncmain1.c: New file.
1167         * testsuite/ifuncmain1vis.c: New file.
1168         * testsuite/ifuncmod1.c: New file.
1169         * testsuite/ifuncdep2.c: New file.
1170         * testsuite/ifuncmain2.c: New file.
1171         * testsuite/ifuncmain3.c: New file.
1172         * testsuite/ifuncmod3.c: New file.
1173         * testsuite/ifuncmain4.c: New file.
1174         * testsuite/ifuncmain5.c: New file.
1175         * testsuite/ifuncmod5.c: New file.
1176         * testsuite/ifuncmain6pie.c: New file.
1177         * testsuite/ifuncmod6.c: New file.
1178         * testsuite/ifuncmain7.c: New file.
1179         * configure, testsuite/Makefile.in: Rebuild.
1180
1181 2010-08-18  Ian Lance Taylor  <iant@google.com>
1182
1183         * incremental.cc
1184         (Output_section_incremental_inputs::write_input_files): Add cast
1185         to avoid signed/unsigned comparison warning.
1186         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1187
1188 2010-08-12  Cary Coutant  <ccoutant@google.com>
1189
1190         * common.cc (Sort_commons::operator()): Remove unnecessary code.
1191
1192 2010-08-13  Ian Lance Taylor  <iant@google.com>
1193
1194         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
1195
1196 2010-08-12  Cary Coutant  <ccoutant@google.com>
1197             Doug Kwan  <dougkwan@google.com>
1198
1199         * resolve.cc (Symbol_table::should_override): When a weak dynamic
1200         defintion overrides non-weak undef, remember that the original undef
1201         is not weak.
1202         * symtab.cc (Symbol_table::sized_write_global): For undef without
1203         an original weak binding, set binding to global in output.
1204         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
1205         * testsuite/Makefile.in: Regenerate.
1206         * testsuite/strong_ref_weak_def.sh: New file.
1207         * testsuite/strong_ref_weak_def_1.c: Ditto.
1208         * testsuite/strong_ref_weak_def_2.c: Ditto.
1209
1210 2010-08-12  Cary Coutant  <ccoutant@google.com>
1211
1212         * testsuite/incremental_test.sh: Rewrite.
1213         * testsuite/incremental_test_1.c: Rewrite.
1214         * testsuite/incremental_test_2.c: Rewrite.
1215
1216 2010-08-12  Cary Coutant  <ccoutant@google.com>
1217
1218         * arm.cc (Target_arm::got_size): Add const.
1219         (Target_arm::got_entry_count): New function.
1220         (Target_arm::plt_entry_count): New function.
1221         (Target_arm::first_plt_entry_offset): New function.
1222         (Target_arm::plt_entry_size): New function.
1223         (Output_data_plt_arm::entry_count): New function.
1224         (Output_data_plt_arm::first_plt_entry_offset): New function.
1225         (Output_data_plt_arm::get_plt_entry_size): New function.
1226         * i386.cc (Target_i386::got_size): Add const.
1227         (Target_i386::got_entry_count): New function.
1228         (Target_i386::plt_entry_count): New function.
1229         (Target_i386::first_plt_entry_offset): New function.
1230         (Target_i386::plt_entry_size): New function.
1231         (Output_data_plt_i386::entry_count): New function.
1232         (Output_data_plt_i386::first_plt_entry_offset): New function.
1233         (Output_data_plt_i386::get_plt_entry_size): New function.
1234         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
1235         find_incremental_inputs_sections.  Dump incremental_got_plt section.
1236         * incremental.cc: Include target.h.
1237         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
1238         parameter.  Adjust all callers.  Find incremental_got_plt section.
1239         (Incremental_inputs::create_data_sections): Create incremental_got_plt
1240         section.
1241         (Output_section_incremental_inputs::set_final_data_size): Calculate
1242         size of incremental_got_plt section.
1243         (Output_section_incremental_inputs::do_write): Write the
1244         incremental_got_plt section.
1245         (Got_plt_view_info): New struct.
1246         (Local_got_offset_visitor): New class.
1247         (Global_got_offset_visitor): New class.
1248         (Global_symbol_visitor_got_plt): New class.
1249         (Output_section_incremental_inputs::write_got_plt): New function.
1250         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
1251         Add parameter.  Adjust all callers.
1252         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1253         (Incremental_inputs::got_plt_section): New function.
1254         (Incremental_inputs::got_plt_section_): New data member.
1255         (Incremental_got_plt_reader): New class.
1256         * layout.cc (Layout::create_incremental_info_sections): Add the
1257         incremental_got_plt section.
1258         * object.h (Got_offset_list::get_list): New function.
1259         (Got offset_list::for_all_got_offsets): New function.
1260         (Sized_relobj::local_got_offset_list): New function.
1261         * powerpc.cc (Target_powerpc::got_size): Add const.
1262         (Target_powerpc::got_entry_count): New function.
1263         (Target_powerpc::plt_entry_count): New function.
1264         (Target_powerpc::first_plt_entry_offset): New function.
1265         (Target_powerpc::plt_entry_size): New function.
1266         (Output_data_plt_powerpc::entry_count): New function.
1267         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1268         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1269         * sparc.cc (Target_sparc::got_size): Add const.
1270         (Target_sparc::got_entry_count): New function.
1271         (Target_sparc::plt_entry_count): New function.
1272         (Target_sparc::first_plt_entry_offset): New function.
1273         (Target_sparc::plt_entry_size): New function.
1274         (Output_data_plt_sparc::entry_count): New function.
1275         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1276         (Output_data_plt_sparc::get_plt_entry_size): New function.
1277         * symtab.h (Symbol::got_offset_list): New function.
1278         (Symbol_table::for_all_symbols): New function.
1279         * target.h (Sized_target::got_entry_count): New function.
1280         (Sized_target::plt_entry_count): New function.
1281         (Sized_target::plt_entry_size): New function.
1282         * x86_64.cc (Target_x86_64::got_size): Add const.
1283         (Target_x86_64::got_entry_count): New function.
1284         (Target_x86_64::plt_entry_count): New function.
1285         (Target_x86_64::first_plt_entry_offset): New function.
1286         (Target_x86_64::plt_entry_size): New function.
1287         (Output_data_plt_x86_64::entry_count): New function.
1288         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1289         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1290
1291 2010-08-12  Cary Coutant  <ccoutant@google.com>
1292
1293         * archive.cc: Include incremental.h.
1294         (Archive::Archive): Initialize incremental_info_.
1295         (Archive::include_member): Record archive members in incremental info.
1296         (Add_archive_symbols::run): Record begin and end of an archive in
1297         incremental info.
1298         (Lib_group::include_member): Record objects in incremental info.
1299         * archive.h (Incremental_archive_entry): Forward declaration.
1300         (Archive::set_incremental_info): New member function.
1301         (Archive::incremental_info): New member function.
1302         (Archive::Unused_symbol_iterator): New class.
1303         (Archive::unused_symbols_begin): New member function.
1304         (Archive::unused_symbols_end): New member function.
1305         (Archive::incremental_info_): New data member.
1306         * incremental-dump.cc (find_input_containing_global): New function.
1307         (dump_incremental_inputs): Dump new incremental info sections.
1308         * incremental.cc: Include symtab.h.
1309         (Output_section_incremental_inputs): New class.
1310         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1311         new incremental info sections.
1312         (Sized_incremental_binary::do_check_inputs): Likewise.
1313         (Incremental_inputs::report_archive): Remove.
1314         (Incremental_inputs::report_archive_begin): New function.
1315         (Incremental_inputs::report_archive_end): New function.
1316         (Incremental_inputs::report_object): New function.
1317         (Incremental_inputs::finalize_inputs): Remove.
1318         (Incremental_inputs::report_input_section): New function.
1319         (Incremental_inputs::report_script): Rewrite.
1320         (Incremental_inputs::finalize): Do nothing but finalize string table.
1321         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1322         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1323         (Incremental_inputs::create_data_sections): New function.
1324         (Incremental_inputs::relocs_entsize): New function.
1325         (Output_section_incremental_inputs::set_final_data_size): New function.
1326         (Output_section_incremental_inputs::do_write): New function.
1327         (Output_section_incremental_inputs::write_header): New function.
1328         (Output_section_incremental_inputs::write_input_files): New function.
1329         (Output_section_incremental_inputs::write_info_blocks): New function.
1330         (Output_section_incremental_inputs::write_symtab): New function.
1331         * incremental.h (Incremental_script_entry): Forward declaration.
1332         (Incremental_object_entry): Forward declaration.
1333         (Incremental_archive_entry): Forward declaration.
1334         (Incremental_inputs): Forward declaration.
1335         (Incremental_inputs_header_data): Remove.
1336         (Incremental_inputs_header): Remove.
1337         (Incremental_inputs_header_write): Remove.
1338         (Incremental_inputs_entry_data): Remove.
1339         (Incremental_inputs_entry): Remove.
1340         (Incremental_inputs_entry_write): Remove.
1341         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1342         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1343         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1344         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1345         Likewise.
1346         (Incremental_input_entry): New class.
1347         (Incremental_script_entry): New class.
1348         (Incremental_object_entry): New class.
1349         (Incremental_archive_entry): New class.
1350         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1351         (Incremental_inputs::report_inputs): Remove.
1352         (Incremental_inputs::report_archive): Remove.
1353         (Incremental_inputs::report_archive_begin): New function.
1354         (Incremental_inputs::report_archive_end): New function.
1355         (Incremental_inputs::report_object): Change prototype.
1356         (Incremental_inputs::report_input_section): New function.
1357         (Incremental_inputs::report_script): Change prototype.
1358         (Incremental_inputs::get_reloc_count): New function.
1359         (Incremental_inputs::set_reloc_count): New function.
1360         (Incremental_inputs::create_data_sections): New function.
1361         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1362         (Incremental_inputs::inputs_section): New function.
1363         (Incremental_inputs::symtab_section): New function.
1364         (Incremental_inputs::relocs_section): New function.
1365         (Incremental_inputs::get_stringpool): Add const.
1366         (Incremental_inputs::command_line): Add const.
1367         (Incremental_inputs::inputs): Remove.
1368         (Incremental_inputs::command_line_key): New function.
1369         (Incremental_inputs::input_file_count): New function.
1370         (Incremental_inputs::input_files): New function.
1371         (Incremental_inputs::relocs_entsize): New function.
1372         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1373         (Incremental_inputs::finalize_inputs): Remove.
1374         (Incremental_inputs::Input_info): Remove.
1375         (Incremental_inputs::lock_): Remove.
1376         (Incremental_inputs::inputs_): Change type.
1377         (Incremental_inputs::inputs_map_): Remove.
1378         (Incremental_inputs::current_object_entry_): New data member.
1379         (Incremental_inputs::inputs_section_): New data member.
1380         (Incremental_inputs::symtab_section_): New data member.
1381         (Incremental_inputs::relocs_section_): New data member.
1382         (Incremental_inputs::reloc_count_): New data member.
1383         (Incremental_inputs_reader): New class.
1384         (Incremental_symtab_reader): New class.
1385         (Incremental_relocs_reader): New class.
1386         * layout.cc (Layout::finalize): Move finalization of incremental info
1387         and creation of incremental info sections to follow finalization of
1388         symbol table.  Set offsets for postprocessing sections.
1389         (Layout::create_incremental_info_sections): Call
1390         Incremental_inputs::create_data_sections.  Add incremental symtab
1391         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1392         sections to layout after input sections.
1393         * layout.h (struct Timespec): Forward declaration.
1394         (Layout::incremental_inputs): Add const.
1395         (Layout::create_incremental_info_sections): Add parameter.
1396         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1397         * object.cc: Include incremental.h.
1398         (Relobj::finalize_incremental_relocs): New function.
1399         (Sized_relobj::do_layout): Record input sections in incremental info.
1400         * object.h (Object::output_section): New function.
1401         (Object::output_section_offset): Moved from Relobj.
1402         (Object::get_incremental_reloc_base): New function.
1403         (Object::get_incremental_reloc_count): New function.
1404         (Object::do_output_section): New function.
1405         (Object::do_output_section_offset): Moved from Relobj.
1406         (Object::do_get_incremental_reloc_base): New function.
1407         (Object::do_get_incremental_reloc_count): New function.
1408         (Object::Object): Initialize new data members.
1409         (Relobj::output_section): Renamed do_output_section and moved to
1410         protected.
1411         (Relobj::output_section_offset): Moved to Object.
1412         (Relobj::do_get_incremental_reloc_base): New function.
1413         (Relobj::do_get_incremental_reloc_count): New function.
1414         (Relobj::allocate_incremental_reloc_counts): New function.
1415         (Relobj::count_incremental_reloc): New function.
1416         (Relobj::finalize_incremental_relocs): New function.
1417         (Relobj::next_incremental_reloc_index): New function.
1418         (Relobj::reloc_counts_): New data member.
1419         (Relobj::reloc_bases_): New data member.
1420         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1421         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1422         (Sized_relobj::incremental_relocs_scan): New function.
1423         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1424         (Sized_relobj::incremental_relocs_write): New function.
1425         (Sized_relobj::incremental_relocs_write_reltype): New function.
1426         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1427         incremental link.
1428         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1429         archives and object files elsewhere.
1430         (Add_symbols::run): Report object files here.
1431         (Finish_group::run): Report end of archive at end of group.
1432         * reloc.cc: Include layout.h, incremental.h.
1433         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1434         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1435         (Sized_relobj::incremental_relocs_scan): New function.
1436         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1437         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1438         (Sized_relobj::incremental_relocs_write): New function.
1439         (Sized_relobj::incremental_relocs_write_reltype): New function.
1440         * script.cc (read_input_script): Rewrite test for incremental link.
1441         Change call to Incremental_inputs::report_script.
1442         * symtab.h (Symbol_table::first_global_index): New function.
1443         (Symbol_table::output_count): New function.
1444
1445 2010-08-12  Doug Kwan  <dougkwan@google.com>
1446
1447         * arm.cc (Target_arm::merge_object_attributes): Check command line
1448         options --no-wchar-size-warning and --no-enum-size-warning.
1449         * options.h (General_options): Add ld-compatible options
1450         --no-enum-size-warning and --no-wchar-size-warning.
1451
1452 2010-08-04  Ian Lance Taylor  <iant@google.com>
1453
1454         * x86_64.cc (Target_x86_64::Scan::local): Use
1455         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1456         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1457         (Target_x86_64::Scan::global): Likewise.
1458         (Target_x86_64::Relocate::relocate): Likewise.
1459         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1460         Likewise.
1461
1462 2010-08-03  Cary Coutant  <ccoutant@google.com>
1463
1464         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1465         to reserve space in merged_strings vector. Keep total input size
1466         for stats.
1467         (Output_merge_string::do_print_merge_stats): Print total input size.
1468         * merge.h (Output_merge_string): Add input_size_ field.
1469         * stringpool.cc (Stringpool_template::string_length): Move
1470         implementations out of Stringpool_template class and place in
1471         stringpool.h.
1472         * stringpool.h (string_length): Move out of Stringpool_template.
1473
1474 2010-08-03  Ian Lance Taylor  <iant@google.com>
1475
1476         PR 11712
1477         * layout.cc (relaxation_loop_body): If address of load segment is
1478         set, adjust address to include headers if possible.
1479
1480 2010-08-03  Ian Lance Taylor  <iant@google.com>
1481
1482         * version.cc (version_string): Bump to 1.10.
1483
1484 2010-08-03  Ian Lance Taylor  <iant@google.com>
1485
1486         PR 11805
1487         * layout.h (enum Output_section_order): Define.
1488         (class Layout): Update declarations.
1489         * layout.cc (Layout::get_output_section): Add order parameter.
1490         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1491         is_first_non_relro parameters.  Change all callers.
1492         (Layout::choose_output_section): Likewise.
1493         (Layout::add_output_section_data): Likewise.
1494         (Layout::make_output_section): Likewise.  Set order.
1495         (Layout::default_section_order): New function.
1496         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1497         * output.cc (Output_section::Output_section): Initialize order_.
1498         Don't initialize deleted fields.
1499         (Output_segment::Output_segment): Don't initialize deleted
1500         fields.
1501         (Output_segment::add_output_section_to_load): New function
1502         replacing add_output_section.  Change all callers to call this or
1503         add_output_section_to_nonload.
1504         (Output_segment::add_output_section_to_nonload): New function.
1505         (Output_segment::remove_output_section): Rewrite.
1506         (Output_segment::add_initial_output_data): Likewise.
1507         (Output_segment::has_any_data_sections): Likewise.
1508         (Output_segment::is_first_section_relro): Likewise.
1509         (Output_segment::maximum_alignment): Likewise.
1510         (Output_segment::has_dynamic_reloc): New function replacing
1511         dynamic_reloc_count.  Change all callers.
1512         (Output_segment::has_dynamic_reloc_list): New function replacing
1513         dynamic_reloc_count_list.  Change all callers.
1514         (Output_segment::set_section_addresses): Rewrite.
1515         (Output_segment::set_offset): Rewrite.
1516         (Output_segment::find_first_and_last_list): Remove.
1517         (Output_segment::set_tls_offsets): Rewrite.
1518         (Output_segment::first_section_load_address): Likewise.
1519         (Output_segment::output_section_count): Likewise.
1520         (Output_segment::section_with_lowest_load_address): Likewise.
1521         (Output_segment::write_section_headers): Likewise.
1522         (Output_segment::print_sections_to_map): Likewise.
1523         * output.h (class Output_data): Remove dynamic_reloc_count_
1524         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1525         (Output_data::add_dynamic_reloc): Rewrite.
1526         (Output_data::has_dynamic_reloc): New function.
1527         (Output_data::dynamic_reloc_count): Remove.
1528         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1529         is_last_relro_, is_first_non_relro_, is_interp_,
1530         is_dynamic_linker_section_ fields.  Add order and set_order
1531         functions.  Remove is_relro_local, set_is_relro_local,
1532         is_last_relro, set_is_last_relro, is_first_non_relro,
1533         set_is_first_non_relro functions, is_interp, set_is_interp,
1534         is_dynamic_linker_section, and set_is_dynamic_linker_section
1535         functions.
1536         (class Output_segment): Change Output_data_list from std::list to
1537         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1538         output_bss_ fields.  Update declarations.
1539
1540 2010-08-02  Ian Lance Taylor  <iant@google.com>
1541
1542         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1543         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1544         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1545
1546 2010-08-02  Ian Lance Taylor  <iant@google.com>
1547
1548         PR 11855
1549         * script.cc (Script_options::Script_options): Initialize
1550         symbol_definitions_ and symbol_references_.
1551         (Script_options::add_symbol_assignment): Update
1552         symbol_definitions_ and symbol_references_.
1553         (Script_options::add_symbol_reference): New function.
1554         (script_symbol): New function.
1555         * script.h (class Script_options): Add symbol_definitions_ and
1556         symbol_references_ fields.
1557         (Script_options::referenced_const_iterator): New type.
1558         (Script_options::referenced_begin): New function.
1559         (Script_options::referenced_end): New function.
1560         (Script_options::is_referenced): New function.
1561         (Script_options::any_unreferenced): New function.
1562         * script-c.h (script_symbol): Declare.
1563         * yyscript.y (exp): Call script_symbol.
1564         * symtab.cc: Include "script.h".
1565         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1566         Change all callers.  Check symbols referenced by scripts.
1567         (Symbol_table::add_undefined_symbols_from_command_line): Add
1568         layout parameter.  Change all callers.
1569         (Symbol_table::do_add_undefined_symbols_from_command_line):
1570         Likewise.  Break out loop body.  Check symbols referenced by
1571         scripts.
1572         (Symbol_table::add_undefined_symbol_from_command_line): New
1573         function broken out of
1574         do_add_undefined_symbols_from_command_line.
1575         * symtab.h (class Symbol_table): Update declarations.
1576         * archive.cc: Include "layout.h".
1577         (Archive::should_include_member): Add layout parameter.  Change
1578         all callers.  Check for symbol mentioned in expression.
1579         * archive.h (class Archive): Update declaration.
1580         * object.cc (Sized_relobj::do_should_include_member): Add layout
1581         parameter.
1582         * object.h (Object::should_include_member): Add layout parameter.
1583         Change all callers.
1584         (Object::do_should_include_member): Add layout parameter.
1585         (class Sized_relobj): Update declaration.
1586         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1587         parameter.
1588         * dynobj.h (class Sized_dynobj): Update declaration.
1589         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1590         layout parameter.
1591         * plugin.h (class Sized_pluginobj): Update declaration.
1592
1593 2010-08-02  Ian Lance Taylor  <iant@google.com>
1594
1595         PR 11866
1596         * output.cc (Output_segment::set_offset): Search for the first and
1597         last sections rather than assuming that the list is in order.
1598         (Output_segment::find_first_and_last_list): New function.
1599         * output.h (class Output_segment): Update declarations.
1600         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1601         (relro_strip_test_SOURCES): New variable.
1602         (relro_strip_test_DEPENDENCIES): New variable.
1603         (relro_strip_test_LDFLAGS): New variable.
1604         (relro_strip_test_LDADD): New variable.
1605         (relro_strip_test.so): New target.
1606
1607 2010-08-02  Ian Lance Taylor  <iant@google.com>
1608
1609         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1610         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1611         (Target_i386::got_tlsdesc_section): New function.
1612         (Target_i386::got_section): Create space for GOT entries for
1613         TLSDESC relocations.
1614         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1615         R_386_TLS_GOTDESC.
1616         (Target_i386::Scan::global): Likewise.
1617         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1618         using TLSDESC GOT.
1619         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1620         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1621         (Target_x86_64::got_tlsdesc_section): New function.
1622         (Target_x86_64::got_section): Create space for GOT entries for
1623         TLSDESC relocations.
1624         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1625         R_386_TLS_GOTDESC.
1626         (Target_x86_64::Scan::global): Likewise.
1627         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1628         using TLSDESC GOT.
1629
1630 2010-08-02  Ian Lance Taylor  <iant@google.com>
1631
1632         * testsuite/final_layout.sh: Use dc to convert from hex to
1633         decimal.
1634
1635 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1636
1637         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1638         paramter to the call to gold::gc_process_relocs.
1639         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1640         paramter to the call to gold::gc_process_relocs.
1641         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1642         parameter to the call to gold::gc_process_relocs.
1643         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1644         template parameter to the call to gold::gc_process_relocs.
1645         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1646         paramter to the call to gold::gc_process_relocs.
1647         * gc.h (get_embedded_addend_size): New function.
1648         (gc_process_relocs): Save the size of the reloc for use by ICF.
1649         * icf.cc (get_section_contents): Get the addend from the text section
1650         for SHT_REL relocation sections.
1651         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1652         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1653         * int_encoding.h (read_from_pointer): New overloaded function.
1654         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1655         * testsuite/icf_sht_rel_addend_test.sh: New file.
1656         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1657         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1658
1659 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1660
1661         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1662         * Makefile.in: Regenerate.
1663         * testsuite/Makefile.in: Regenerate.
1664
1665 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1666
1667         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1668         * gold/testsuite/debug_msg.cc: Likewise.
1669         * gold/testsuite/odr_violation1.cc
1670         * gold/testsuite/odr_violation2.cc
1671
1672 2010-07-21  Cary Coutant  <ccoutant@google.com>
1673
1674         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1675         string, and length fields.
1676         (Output_merge_string::Merged_strings_list): New type.
1677         (Output_merge_string::Merged_strings_lists): New typedef.
1678         (Output_merge_string): Replace merged_strings_ with
1679         merged_strings_lists_.
1680         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1681         Merged_strings_list per input object and section.  Don't store pointer
1682         to the string.  Don't store length with each merged string entry.
1683         (Output_merge_string::finalize_merged_data): Loop over list of merged
1684         strings lists.  Recompute length of each merged string.
1685
1686 2010-07-15  Cary Coutant  <ccoutant@google.com>
1687
1688         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1689         here.
1690
1691 2010-07-14  Ian Lance Taylor  <iant@google.com>
1692
1693         * descriptors.cc (Descriptors::open): Report correct name in error
1694         message.
1695
1696 2010-07-13  Doug Kwan  <dougkwan@google.com>
1697
1698         * arm.cc (Arm_input_section::Arm_input_section): For a
1699         SHT_ARM_EXIDX section, always keeps the input sections.
1700         (Arm_input_section::set_exidx_section_link): New method.
1701         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1702         has_errors_ to false.
1703         (Arm_exidx_input_section::has_errors,
1704         Arm_exidx_input_section::set_has_errors): New methods.
1705         (Arm_exidx_input_section::has_errors_): New data member.
1706         (Arm_relobj::get_exidx_shndx_list): New method.
1707         (Arm_output_section::append_text_sections_to_list): Do not skip
1708         section without SHF_EXECINSTR.
1709         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1710         errors.
1711         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1712         section header.  Make error messages more verbose.  Check for
1713         a non-executable section linked to an EXIDX section.
1714         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1715         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1716         check that there is no deferred EXIDX section if we exit early.
1717         Instead of not making an EXIDX section in case of an error, make one
1718         and set the has_errors flag of it.
1719         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1720         in a relocatable link.
1721         (Target_arm::do_relax): Look for the EXIDX output section instead of
1722         assuming that it is called .ARM.exidx.
1723         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1724         section list.  Do not check for SHF_EXECINSTR section flags but
1725         skip any input section with errors.
1726         * output.cc (Output_section::Output_section): Initialize
1727         always_keeps_input_sections_ to false.
1728         (Output_section::add_input_section): Check for
1729         always_keeps_input_sections_.
1730         *  output.h (Output_section::always_keeps_input_sections,
1731         Output_section::set_always_keeps_input_sections): New methods.
1732         (Output_section::always_keeps_input_sections): New data member.
1733
1734 2010-07-13  Rafael Espindola  <espindola@google.com>
1735
1736         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1737         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1738
1739 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1740             Ian Lance Taylor  <iant@google.com>
1741
1742         * output.h (Output_section_lookup_maps::add_merge_section):
1743         Correct check of whether value was inserted.
1744         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1745         (Output_section_lookup_maps::add_relaxed_input_section):
1746         Likewise.
1747         * arm.cc (Target_arm::got_section): Remove used local os.
1748         * i386.cc (Target_i386::got_section): Likewise.
1749         * x86_64.cc (Target_x86_64::got_section): Likewise.
1750         * sparc.cc (Target_sparc::got_section): Likewise.
1751         (Target_sparc::relocate): Remove unused local have_got_offset.
1752         * powerpc.cc (Target_powerpc::relocate): Likewise.
1753
1754 2010-07-13  Ian Lance Taylor  <iant@google.com>
1755
1756         * compressed_output.cc (zlib_decompress): Fix signature in
1757         !HAVE_ZLIB_H case.
1758
1759         * archive.cc (Archive::include_member): Unlock an external member
1760         of a thin archive.  Don't bother to delete an object we know is
1761         NULL.
1762
1763 2010-07-12  Cary Coutant  <ccoutant@google.com>
1764
1765         * compressed_output.cc (zlib_decompress): New function.
1766         (get_uncompressed_size): New function.
1767         (decompress_input_section): New function.
1768         * compressed_output.h (get_uncompressed_size): New function.
1769         (decompress_input_section): New function.
1770         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1771         Handle compressed debug sections.
1772         * layout.cc (is_compressed_debug_section): New function.
1773         (Layout::output_section_name): Map compressed section names to
1774         canonical names.
1775         * layout.h (is_compressed_debug_section): New function.
1776         (is_debug_info_section): Recognize compressed debug sections.
1777         * merge.cc: Include compressed_output.h.
1778         (Output_merge_data::do_add_input_section): Handle compressed
1779         debug sections.
1780         (Output_merge_string::do_add_input_section): Handle compressed
1781         debug sections.
1782         * object.cc: Include compressed_output.h.
1783         (Sized_relobj::Sized_relobj): Initialize new data members.
1784         (build_compressed_section_map): New function.
1785         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1786         * object.h (Object::section_is_compressed): New method.
1787         (Object::do_section_is_compressed): New method.
1788         (Sized_relobj::Compressed_section_map): New type.
1789         (Sized_relobj::do_section_is_compressed): New method.
1790         (Sized_relobj::compressed_sections_): New data member.
1791         * output.cc (Output_section::add_input_section): Handle compressed
1792         debug sections.
1793         * reloc.cc: Include compressed_output.h.
1794         (Sized_relobj::write_sections): Handle compressed debug sections.
1795
1796 2010-07-08  Cary Coutant  <ccoutant@google.com>
1797
1798         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1799         weak when resolving to a dynamic def.
1800         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1801         for weak undef/dynamic def cases. Adjust callers.
1802         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1803         undef_binding_weak_.
1804         (Symbol_table::sized_write_globals): Adjust symbol binding.
1805         (Symbol_table::sized_write_symbol): Add binding parameter.
1806         * symtab.h (Symbol::set_undef_binding): New method.
1807         (Symbol::is_undef_binding_weak): New method.
1808         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1809         (Symbol_table::should_override): Add new parameter.
1810         (Symbol_table::sized_write_symbol): Add new parameter.
1811
1812         * testsuite/weak_undef_file1.cc: Add new test case.
1813         * testsuite/weak_undef_file2.cc: Fix header comment.
1814         * testsuite/weak_undef_test.cc: Add new test case.
1815
1816 2010-06-29  Doug Kwan  <dougkwan@google.com>
1817
1818         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1819         Initialize USE_SYMBOL_.
1820         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1821         definition.
1822         (Arm_reloc_property::uses_symbol_): New data member declaration.
1823         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1824         uses symbol value and symbol is undefined but not weakly undefined.
1825
1826 2010-06-28  Rafael Espindola  <espindola@google.com>
1827
1828         * plugin.cc (Plugin::load): Use dlerror.
1829
1830 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1831
1832         * symtab.cc (detect_odr_violations): When reporting an ODR
1833         violation, report an object where the symbol is defined.
1834
1835 2010-06-25  Doug Kwan  <dougkwan@google.com>
1836
1837         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1838         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1839         definition.
1840         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1841         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1842         target hook to detect function points.
1843         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1844         * icf.h (Icf::check_section_for_function_pointers): Change type of
1845         parameter SECTION_NAME to const reference to std::string.  Use
1846         target hook to determine if section may have unsafe pointers.
1847         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1848         method definition.
1849
1850 2010-06-21  Rafael Espindola  <espindola@google.com>
1851
1852         * fileread.cc (Input_file::find_fie): New
1853         (Input_file::open): Use Input_file::find_fie.
1854         * fileread.h (Input_file::find_fie): New
1855         * plugin.cc (set_extra_library_path): New.
1856         (Plugin::load): Add set_extra_library_path to the transfer vector.
1857         (Plugin_manager::set_extra_library_path): New.
1858         (Plugin_manager::add_input_file): Use the extra search path if set.
1859         (set_extra_library_path(): New.
1860         * plugin.h (Plugin_manager): Add set_extra_library_path and
1861         extra_search_path_.
1862
1863 2010-06-19  Cary Coutant  <ccoutant@google.com>
1864
1865         * layout.cc (gdb_sections): Add .debug_types.
1866         (lines_only_debug_sections): Likewise.
1867
1868 2010-06-18  Rafael Espindola  <espindola@google.com>
1869
1870         * plugin.cc (add_input_file,add_input_library)
1871         (Plugin_manager::add_input_file): Make filename arguments const.
1872         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1873         const.
1874
1875 2010-06-16  Doug Kwan  <dougkwan@google.com>
1876
1877         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1878         .ARM.attributes section if we have not merged any input
1879         attributes sections.
1880
1881 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1882
1883         * arm.cc: Allow combining objects with no EABI version
1884         information.
1885
1886 2010-06-15  Rafael Espindola  <espindola@google.com>
1887
1888         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1889
1890 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1891
1892         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1893         (struct iovec): Correct !HAVE_READV definition.
1894
1895 2010-06-10  Cary Coutant  <ccoutant@google.com>
1896
1897         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1898         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1899         reloc sections.
1900         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1901
1902         PR 11683
1903         * symtab.h (Symbol::is_placeholder): New member function.
1904         * target-reloc.h (relocate_section): Check for placeholder symbols.
1905
1906         * testsuite/Makefile.am (plugin_test_8): New test.
1907         (plugin_test_9): New test.
1908         * testsuite/Makefile.in: Regenerate.
1909
1910 2010-06-09  Nick Clifton  <nickc@redhat.com>
1911
1912         * yyscript.y (input_list_element): Allow strings prefixed with
1913         the '-' character.  Treat these as libraries.
1914         * script.cc (script_add_library): New function.  Adds a library
1915         specified by "-l<name>" found in an input script.
1916         * script-c.h: Add prototype for script_add_library.
1917
1918 2010-06-07  Doug Kwan  <dougkwan@google.com>
1919
1920         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1921         Restrict stub-group size to be within long conditional branch
1922         range when working around cortex-A8 erratum.
1923
1924 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1925
1926         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1927         #ifdef typo.
1928
1929 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1930
1931         PR gold/11658
1932         * output.cc
1933         (Output_section::Input_section_sort_entry::compare_section_ordering):
1934         Change to return non-zero correctly.
1935         (Output_section::Input_section_sort_section_order_index_compare
1936         ::operator()): Change to fix ambiguity in comparisons.
1937
1938 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1939
1940         * gold.h (is_wildcard_string): New function.
1941         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1942         (Layout::layout_eh_frame): Ditto.
1943         (Layout::find_section_order_index): New method.
1944         (Layout::read_layout_from_file): New method.
1945         * layout.h (Layout::find_section_order_index): New method.
1946         (Layout::read_layout_from_file): New method.
1947         (Layout::input_section_position_): New private member.
1948         (Layout::input_section_glob_): New private member.
1949         * main.cc (main): Call read_layout_from_file here.
1950         * options.h (--section-ordering-file): New option.
1951         * output.cc (Output_section::input_section_order_specified_): New
1952         member.
1953         (Output_section::Output_section): Initialize new member.
1954         (Output_section::add_input_section): Add new parameter.
1955         Keep input sections when --section-ordering-file is used.
1956         (Output_section::set_final_data_size): Sort input sections when
1957         section ordering file is specified.
1958         (Output_section::Input_section_sort_entry): Add new parameter.
1959         Check sorting type.
1960         (Output_section::Input_section_sort_entry::compare_section_ordering):
1961         New method.
1962         (Output_section::Input_section_sort_compare::operator()): Change to
1963         consider section_order_index.
1964         (Output_section::Input_section_sort_init_fini_compare::operator()):
1965         Change to consider section_order_index.
1966         (Output_section::Input_section_sort_section_order_index_compare
1967         ::operator()): New method.
1968         (Output_section::sort_attached_input_sections): Change to sort
1969         according to section order when specified.
1970         (Output_section::add_input_section<32, true>): Add new parameter.
1971         (Output_section::add_input_section<64, true>): Add new parameter.
1972         (Output_section::add_input_section<32, false>): Add new parameter.
1973         (Output_section::add_input_section<64, false>): Add new parameter.
1974         * output.h (Output_section::add_input_section): Add new parameter.
1975         (Output_section::input_section_order_specified): New
1976         method.
1977         (Output_section::set_input_section_order_specified): New method.
1978         (Input_section::Input_section): Initialize section_order_index_.
1979         (Input_section::section_order_index): New method.
1980         (Input_section::set_section_order_index): New method.
1981         (Input_section::section_order_index_): New member.
1982         (Input_section::Input_section_sort_section_order_index_compare): New
1983         struct.
1984         (Output_section::input_section_order_specified_): New member.
1985         * script-sections.cc (is_wildcard_string): Delete and move modified
1986         method to gold.h.
1987         (Output_section_element_input::Output_section_element_input): Modify
1988         call to is_wildcard_string.
1989         (Output_section_element_input::Input_section_pattern
1990         ::Input_section_pattern): Ditto.
1991         (Output_section_element_input::Output_section_element_input): Ditto.
1992         * testsuite/Makefile.am (final_layout): New test case.
1993         * testsuite/Makefile.in: Regenerate.
1994         * testsuite/final_layout.cc: New file.
1995         * testsuite/final_layout.sh: New file.
1996
1997 2010-06-01  Rafael Espindola  <espindola@google.com>
1998
1999         * plugin.cc (Plugin::load): Pass the output name to the plugin.
2000
2001 2010-06-01  Rafael Espindola  <espindola@google.com>
2002
2003         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
2004         visibility of symbols.
2005
2006 2010-05-27  Doug Kwan  <dougkwan@google.com>
2007
2008         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
2009         from start of output section instead of address for a local symbol
2010         in a merged or relaxed section when doing a relocatable link.
2011
2012 2010-05-26  Rafael Espindola  <espindola@google.com>
2013
2014        PR 11604
2015         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
2016         adding sections the garbage collector removed.
2017         * gold/testsuite/Makefile.am: Add test.
2018         * gold/testsuite/Makefile.in: Regenerate.
2019         * gold/testsuite/plugin_test_7.sh: New.
2020         * gold/testsuite/plugin_test_7_1.c: New.
2021         * gold/testsuite/plugin_test_7_2.c: New.
2022
2023 2010-05-26  Rafael Espindola  <espindola@google.com>
2024
2025         * script-sections.cc (Output_section_definition::set_section_addresses):
2026         Check for --section-start.
2027
2028 2010-05-26  Doug Kwan  <dougkwan@google.com>
2029
2030         * arm.cc (Arm_scan_relocatable_relocs): New class.
2031         (Target_arm::relocate_special_relocatable): New method.
2032         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
2033         (Arm_relocate_functions::thumb_branch_common): Same.
2034         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
2035         instead of Default_scan_relocatable_relocs.
2036         * target-reloc.h (relocate_for_relocatable): Let target handle
2037         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
2038         * target.h (Sized_target::relocate_special_relocatable): New method.
2039
2040 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2041
2042         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
2043
2044 2010-05-23  Doug Kwan  <dougkwan@google.com>
2045
2046         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
2047         instead of a cast.
2048         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
2049         with a direct branch, not a conditional branch, to a stub.
2050         * merge.cc (Output_merge_base::record_input_section): New method
2051         defintion.
2052         (Output_merge_data::do_add_input_section): Record input section if
2053         keeps-input-sections flag is set.
2054         (Output_merge_string::do_add_input_section): Ditto.
2055         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
2056         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
2057         INPUT_SECTIONS_.
2058         (Output_merge_base::keeps_input_sections,
2059         Output_merge_base::set_keeps_input_sections,
2060         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
2061         method definitions.
2062         (Output_merge_base::Input_sections): New type declaration.
2063         (Output_merge_base::input_sections_begin,
2064         Output_merge_base::input_sections_end,
2065         Output_merge_base::do_set_keeps_input_sections): New method definitions.
2066         (Output_merge_base::bool keeps_input_sections_,
2067         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
2068         Output_merge_base::input_sections_): New data members.
2069         (Output_merge_data::do_set_keeps_input_sections): New method
2070         defintion.
2071         (Output_merge_string::do_set_keeps_input_sections): Ditto.
2072         * output.cc (Output_section::Input_section::relobj): Move method
2073         defintion from class declaration to here and handle merge sections.
2074         (Output_section::Input_section::shndx): Ditto.
2075         (Output_section::Output_section): Remove initializations of removed
2076         data members and initialize new data member LOOKUP_MAPS_.
2077         (Output_section::add_input_section): Set keeps-input-sections flag
2078         for a newly created merge output section as appropriate.  Adjust code
2079         to use Output_section_lookup_maps class.
2080         (Output_section::add_relaxed_input_section): Adjst code for lookup
2081         maps code refactoring.
2082         (Output_section::add_merge_input_section): Add a new parameter
2083         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
2084         class.  If adding input section to a newly created merge output
2085         section fails, remove the new merge section.
2086         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
2087         Adjust code for use of the Output_section_lookup_maps class.
2088         (Output_section::find_merge_section): Ditto.
2089         (Output_section::build_lookup_maps): New method defintion.
2090         (Output_section::find_relaxed_input_section): Adjust code to use
2091         Output_section_lookup_maps class.
2092         (Output_section::get_input_sections): Export merge sections.  Adjust
2093         code to use Output_section_lookup_maps class.
2094         (Output_section:::add_script_input_section): Adjust code to use
2095         Output_section_lookup_maps class.  Update lookup maps for merge
2096         sections also.
2097         (Output_section::discard_states): Use Output_section_lookup_maps.
2098         (Output_section::restore_states): Same.
2099         * output.h (Merge_section_properties): Move class defintion out of
2100         Output_section.
2101         (Output_section_lookup_maps): New class.
2102         (Output_section::Input_section::is_merge_section): New method
2103         defintion.
2104         (Output_section::Input_section::relobj): Move defintion out of class
2105         defintion.  Declare method only.
2106         (Output_section::Input_section::shndx): Ditto.
2107         (Output_section::Input_section::output_merge_base): New method defintion.
2108         (Output_section::Input_section::u2_.pomb): New union field.
2109         (Output_section::Merge_section_by_properties_map,
2110         Output_section::Output_section_data_by_input_section_map,
2111         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
2112         Remove types.
2113         (Output_section::add_merge_input_section): Add new parameter
2114         KEEPS_INPUT_SECTIONS.
2115         (Output_section::build_lookup_maps): New method declaration.
2116         (Output_section::merge_section_map_,
2117         Output_section::merge_section_by_properties_map_,
2118         Output_section::relaxed_input_section_map_,
2119         Output_section::is_relaxed_input_section_map_valid_): Remove data
2120         members.
2121         (Output_section::lookup_maps_): New data member.
2122
2123 2010-05-21  Doug Kwan  <dougkwan@google.com>
2124
2125         PR gold/11619
2126         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
2127         avoid a compilation error.
2128
2129 2010-05-19  Rafael Espindola  <espindola@google.com>
2130
2131         * script-sections.cc (Output_section_definition::allocate_to_segment):
2132         Update the phdrs_list even when the output section is NULL.
2133         * testsuite/Makefile.am: Add test.
2134         * testsuite/Makefile.in: Regenerate.
2135         * testsuite/script_test_9.cc: New.
2136         * testsuite/script_test_9.sh: New.
2137         * testsuite/script_test_9.t: New.
2138
2139 2010-05-19  Doug Kwan  <dougkwan@google.com>
2140
2141         * arm.cc (Arm_input_section::original_size): New method.
2142         (Arm_input_section::do_addralign): Add a cast.
2143         (Arm_input_section::do_output_offset): Remove static cast.
2144         (Arm_input_section::original_addralign,
2145          Arm_input_section::original_size_): Change type to uint32_t.
2146         (Arm_input_section::init): Add safe casts for section alignment
2147         and size.
2148         (Arm_input_section::set_final_data_size): Do not set address and
2149         offset of stub table.
2150         (Arm_output_section::fix_exidx_coverage): Change use of of
2151         Output_section::Simple_input_section to that of
2152         Output_section::Input_section.
2153         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
2154         except for the first pass.
2155         * output.cc (Output_section::get_input_sections): Change type of
2156         input_sections to std::list<Input_section>.
2157         (Output_section::add_script_input_section): Rename from
2158         Output_section::add_simple_input_section.  Change type of SIS
2159         parameter from Simple_input_section to Input_section.
2160         * output.h (Output_section::Simple_input_section): Remove class.
2161         (Output_section::Input_section): Change class visibility to public.
2162         (Output_section::Input_section::addralign): Use stored alignments
2163         for special input sections if set.
2164         (Output_section::Input_section::set_addralign): New method.
2165         (Output_section::get_input_sections): Change parameter type from
2166         list of Simple_input_section to list of Input_section.
2167         (Output_section::add_script_input_section): Rename from
2168         Output_section::add_simple_input_section. Change first parameter's
2169         type from Simple_input_section to Input_section and remove the
2170         second and third parameters.
2171         * script-sections.cc (Input_section::Input_section_list): Change
2172         type to list of Output_section::Input_section/
2173         (Input_section_info::Input_section_info): Change parameter type of
2174         INPUT_SECTION to Output_section::Input_section.
2175         (Input_section_info::input_section): Change return type.
2176         (Input_section_info::input_section_): Change type to
2177         Output_section::Input_section.
2178         (Output_section_element_input::set_section_addresses): Adjust code
2179         to use Output_section::Input_section instead of
2180         Output_section::Simple_input_section.  Adjust code for renaming
2181         of Output_section::add_simple_input_section.
2182         (Orphan_output_section::set_section_addresses): Ditto.
2183
2184 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2185
2186         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
2187         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
2188
2189 2010-05-18  Rafael Espindola  <espindola@google.com>
2190
2191         * options.cc (General_options::finalize): Handle -nostdlib.
2192         * options.h (nostdlib): New option.
2193         * script.cc (script_add_search_dir): Handle -nostdlib.
2194
2195 2010-05-12  Doug Kwan  <dougkwan@google.com>
2196
2197         * arm.cc (Target_arm::do_finalize_sections): Create an empty
2198         attributes section only if there no attributes section after merging.
2199         (Target_arm::merge_object_attributes): Move value of
2200         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
2201         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
2202         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
2203         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
2204         and arm_attr_merge_7.stdout.
2205         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
2206         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
2207         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
2208         arm_attr_merge_7b.o): New rules.
2209         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
2210         arm_attr_merge_7
2211         * testsuite/Makefile.in: Regenerate.
2212         * testsuite/arm_attr_merge.sh: New file.
2213         * testsuite/arm_attr_merge_[67][ab].s: Same.
2214
2215 2010-05-05  Nick Clifton  <nickc@redhat.com>
2216
2217         * po/es.po: Updated Spanish translation.
2218
2219 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2220
2221         * Makefile.am (install-exec-local): Properly install gold as
2222         default cross linker.
2223         * Makefile.in: Regenerated.
2224
2225 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2226             Nick Clifton  <nickc@redhat.com>
2227
2228         * configure.ac (install_as_default): Define and set to false
2229         unless --enable-gold or --enable-gold=both/gold has been
2230         specified.
2231         * configure: Regenerate.
2232
2233         * Makefile.am (install-exec-local): Install the executable as
2234         'ld.gold'.  If install_as_default is true then also install it as
2235         'ld'.
2236         * Makefile.in: Regenerated.
2237
2238 2010-04-24  Ian Lance Taylor  <iant@google.com>
2239
2240         * layout.cc (Layout::layout_reloc): In relocatable link don't
2241         combine reloc sections for grouped sections.
2242
2243 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
2244
2245         * gc.h (gc_process_relocs): Pass information on relocs pointing to
2246         sections that are not ordinary to icf.
2247         * icf.cc (get_section_contents): Handle relocation pointing to section
2248         with no object or shndx information.
2249         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
2250         * testsuite/Makefile.in: Regenerate.
2251         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
2252         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2253
2254 2010-04-22  Ian Lance Taylor  <iant@google.com>
2255
2256         * expression.cc (Expression::Expression_eval_info): Add
2257         result_alignment_pointer field.
2258         (Expression::eval_with_dot): Add result_alignment_pointer
2259         parameter.  Change all callers.
2260         (Expression::eval_maybe_dot): Likewise.
2261         (class Binary_expression): Add alignment_pointer parameter to
2262         left_value and right_value.  Change all callers.
2263         (BINARY_EXPRESSION): Set result alignment.
2264         (class Trinary_expression): Add alignment_pointer parameter to
2265         arg2_value and arg3_value.  Change all callers.
2266         (Trinary_cond::value): Set result alignment.
2267         (Max_expression::value, Min_expression::value): Likewise.
2268         (Align_expression::value): Likewise.
2269         * script-sections.cc (class Sections_element): Add dot_alignment
2270         parameter to set_section_addresses virtual function.  Update
2271         instantiations.
2272         (class Output_section_element): Likewise.
2273         (Script_sections::create_segments): Add dot_alignment parameter.
2274         Change all callers.
2275         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2276         (Script_sections::set_phdrs_clause_addresses): Likewise.
2277         * script-sections.h: Update declarations.
2278         * script.h: Update declarations.
2279         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2280         min_p_align.
2281         * testsuite/script_test_3.t: Set large alignment.
2282         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2283         segment has expected alignment.
2284
2285 2010-04-22  Nick Clifton  <nickc@redhat.com>
2286
2287         * po/gold.pot: Updated by the Translation project.
2288         * po/vi.po: Updated Vietnamese translation.
2289
2290 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2291
2292         * testsuite/Makefile.am (check_PROGRAMS): Add
2293         icf_virtual_function_folding_test.
2294         * testsuite/Makefile.in: Regenerated.
2295
2296 2010-04-15  Andrew Haley  <aph@redhat.com>
2297
2298         * options.h (merge_exidx_entries): New option.
2299         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2300         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2301         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2302         (Target_arm::merge_exidx_entries): New function.
2303         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2304         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2305         to Arm_exidx_fixup constructor.
2306         Add new arg, merge_exidx_entries.
2307         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2308         Arm_output_section::fix_exidx_coverage.
2309
2310 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2311
2312         * icf.cc (get_section_contents): Check for preemptible functions.
2313         Ignore addend when appropriate.
2314         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2315         section folded.
2316         (add_from_relobj): Check for section folded.
2317         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2318         * symtab.h (should_add_dynsym_entry): Add new parameter.
2319         * target-reloc.h (scan_relocs): Check for section folded.
2320         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2321         Check reloc types for function pointers in shared objects.
2322         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2323         case.
2324         (icf_preemptible_functions_test): New test case.
2325         (icf_string_merge_test): New test case.
2326         * testsuite.Makefile.in: Regenerate.
2327         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2328         bar_glob.  Refactor code.
2329         * testsuite/icf_preemptible_functions_test.cc: New file.
2330         * testsuite/icf_preemptible_functions_test.sh: New file.
2331         * testsuite/icf_string_merge_test.cc: New file.
2332         * testsuite/icf_string_merge_test.sh: New file.
2333         * testsuite/icf_virtual_function_folding_test.cc: New file.
2334         * testsuite/icf_virtual_function_folding_test.sh: New file.
2335
2336 2010-04-14  Doug Kwan  <dougkwan@google.com>
2337
2338         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2339         for local symbol recounting if we remove a section due to ICF.
2340         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2341         there are no regular objects in input.
2342
2343 2010-04-13  Doug Kwan  <dougkwan@google.com>
2344
2345         * arm.cc (Arm_input_section::set_final_data_size): Compute
2346         accurate final data size instead of using current data size.
2347
2348 2010-04-09  Doug Kwan  <dougkwan@google.com>
2349
2350         * layout.cc (Layout::choose_output_section): Handle script section
2351         types.
2352         (Layout::make_output_section_for_script): Add section type parameter.
2353         Handle script section types.
2354         * layout.h (Layout::make_output_section_for_script): Add section
2355         type parameter.
2356         * output.cc (Output_section::Output_section): Initialize data member
2357         is_noload_.
2358         (Output_section::do_reset_address_and_file_offset): Do not set address
2359         to 0 if section is a NOLOAD section.
2360         * output.h (Output_section::is_noload): New method.
2361         (Output_section::set_is_noload): Ditto.
2362         (Output_section::is_noload_): New data member.
2363         * script-c.h (Script_section_type): New enum type.
2364         (struct Parser_output_section_header): Add new file section_type.
2365         * script-sections.cc (Sections_element::output_section_name): Add
2366         parameter for returning script section type.
2367         (Output_section_definition::output_section_name): Ditto.
2368         (Output_section_definition::section_type)P; New method.
2369         (Output_section_definiton::script_section_type_name): Ditto.
2370         (Output_section_definition::script_section_type_): New data member.
2371         (Output_section_definition::Output_section_definition): Initialize
2372         data member Output_section_definition::script_section_type_.
2373         (Output_section_definition::create_sections): Pass script section type
2374         to Layout::make_output_section_for_script.
2375         (Output_section_definition::output_section_name): Return script
2376         section type to caller.
2377         (Output_section_definition::set_section_address): Do not advance
2378         dot value and load address if section type is NOLOAD.  Set address
2379         of NOLOAD sections regardless of section flags.
2380         (Output_section_definition::print): Print section type if it is
2381         not SCRIPT_SECTION_TYPE_NONE.
2382         (Output_section_definition::section_type): New method.
2383         (Output_section_definition::script_section_type_name): Ditto.
2384         (Script_sections::output_section_name): Add new parameter
2385         PSECTION_TYPE for returning script section type.  Pass it to
2386         section elements.  Handle discard sections.
2387         (Sort_output_sections::operator()): Handle NOLOAD sections.
2388         * script-sections.h (Script_sections::Section_type): New enum type.
2389         (Script_sections::output_section_name): Add a new parameter for
2390         returning script section type.
2391         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2392         INFO and NOLOAD.
2393         * yyscript.y (union): Add new field SECTION_TYPE.
2394         (COPY, DSECT, INFO, NOLOAD): New tokens.
2395         (opt_address_and_section_type): Change type to output_section_header.
2396         (section_type): New non-terminal
2397         (section_header): Handle section type.
2398         (opt_address_and_section_type): Return section type value.
2399
2400 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2401
2402         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2403         * testsuite/plugin_common_test_2.c (foo): Likewise.
2404
2405 2010-04-08  Doug Kwan  <dougkwan@google.com>
2406
2407         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2408         Output_merge_data.
2409         * output.cc (Output_section::add_merge_input_section): Simplify
2410         code and return status of Output_merge_base::add_input_section.
2411         Update merge section map only if Output_merge_base::add_input_section
2412         returns true.
2413
2414 2010-04-07  Doug Kwan  <dougkwan@google.com>
2415
2416         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2417         if section is marked as containing instructions but has no mapping
2418         symbols.
2419         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2420         correct section index.
2421         (Arm_relobj::find_linked_text_section): Ditto.
2422
2423 2010-04-07  Cary Coutant  <ccoutant@google.com>
2424
2425         * archive.cc (include_member): Destroy Read_symbols_data object before
2426         releasing file.
2427         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2428         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2429         (Read_symbols_data::~Read_symbols_data) New destructor.
2430         (Section_relocs::Section_relocs) New constructor.
2431         (Section_relocs::~Section_relocs) New destructor.
2432         (Read_relocs_data::Read_relocs_data) New constructor.
2433         (Read_relocs_data::~Read_relocs_data) New destructor.
2434         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2435         pointers to NULL after deleting.
2436
2437 2010-04-07  Doug Kwan  <dougkwan@google.com>
2438
2439         * arm.cc: Replace "endianity" with "endianness" in comments.
2440         (Arm_exidx_cantunwind): Ditto.
2441         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2442         (Arm_relobj::merge_flags_and_attributes): New method.
2443         (Arm_relobj::merge_flags_and_attributes_): New data member.
2444         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2445         (Arm_relobj::scan_sections_for_stubs): Ditto.
2446         (Arm_relobj::do_read_symbols): Check to see if we really want to
2447         merge processor-specific flags and attributes.  Exit early if
2448         an object is empty except for section names and the undefined symbol.
2449         (Target_arm::do_finalize_sections): Move check for ELF format to
2450         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2451         attributes from a regular object only when we have determined that
2452         it is aapropriate.  Do not create an .ARM.attributes section in
2453         output if there is no regular input object.
2454         (Target_arm::merge_processor_specific_flags): Check
2455         --warn-mismatch before printing any error.
2456         (Target_arm::merge_object_attributes): Ditto.
2457         * gold.cc (queue_middle_tasks): Handle the case in which there is
2458         no regular object in input.
2459         * options.cc (General_options::parse_EB): New method.
2460         (General_options::parse_EL): Same.
2461         (General_options::General_options): Initialize endianness_.
2462         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2463         New options.
2464         (General_options::Endianness): New enum.
2465         (General_options::endianness): New method.
2466         (General_options::endianness_): New data member.
2467         * parameters.cc (Parameters::set_options): Check target endianness.
2468         (Parameters::set_target_once): Ditto.
2469         (Parameters::check_target_endianness): New method.
2470         (parameters_force_valid_target): If either -EL or -EB is specified,
2471         use it to define endianness of default target.
2472         * parameters.h (Parameters::check_target_endianness): New method
2473         declaration.
2474         * target.h (class Target): Change "endianity" to "endianness"
2475         in comments.
2476
2477 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2478
2479         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2480         * configure: Regenerate.
2481         * Makefile.in: Regenerate.
2482         * testsuite/Makefile.in: Regenerate.
2483
2484 2010-04-06  Cary Coutant  <ccoutant@google.com>
2485
2486         gcc PR lto/42757
2487         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2488         prevailing definitions of common symbols.
2489         * testsuite/plugin_test_6.sh: New test case.
2490         * testsuite/plugin_common_test_1.c: New test case.
2491         * testsuite/plugin_common_test_2.c: New test case.
2492         * testsuite/Makefile.am (plugin_test_6): New test case.
2493         * testsuite/Makefile.in: Regenerate.
2494
2495 2010-04-06  Nick Clifton  <nickc@redhat.com>
2496
2497         * po/vi.po: New Vietnamese translation.
2498
2499 2010-03-30  Doug Kwan  <dougkwan@google.com>
2500
2501         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2502
2503 2010-03-25  Doug Kwan  <dougkwan@google.com>
2504
2505         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2506         to avoid a conversion warning on a 32-bit host.
2507
2508 2010-03-24  Ian Lance Taylor  <iant@google.com>
2509
2510         * testsuite/script_test_3.t: Add a TLS segment.
2511         * testsuite/Makefile.am (check_PROGRAMS): Add
2512         tls_phdrs_script_test.
2513         (tls_phdrs_script_test_SOURCES): Define.
2514         (tls_phdrs_script_test_DEPENDENCIES): Define.
2515         (tls_phdrs_script_test_LDFLAGS): Define.
2516         (tls_phdrs_script_test_LDADD): Define.
2517         * testsuite/Makefile.in: Rebuild.
2518
2519 2010-03-23  Cary Coutant  <ccoutant@google.com>
2520
2521         * fileread.cc (find_or_make_view): Fix comment.
2522
2523 2010-03-23  Ian Lance Taylor  <iant@google.com>
2524
2525         * script-sections.cc (class Orphan_section_placement): Define
2526         PLACE_TLS and PLACE_TLS_BSS.
2527         (Orphan_section_placement::Orphan_section_placement): Initialize
2528         new places.
2529         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2530         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2531         (tls_script_test_SOURCES): Define.
2532         (tls_script_test_DEPENDENCIES): Define.
2533         (tls_script_test_LDFLAGS): Define.
2534         (tls_script_test_LDADD): Define.
2535         * testsuite/Makefile.in: Rebuild.
2536
2537 2010-03-22  Doug Kwan  <dougkwan@google.com>
2538
2539         * arm.cc (Arm_relocate_functions::abs8,
2540         Arm_relocate_functions::abs16): Use correct check for overflow
2541         specified in the ARM ELF specs.
2542         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2543         target of a BLX instruction specially.
2544         (Reloc_stub::stub_type_for_reloc): Ditto.
2545         (Relocate::relocate): Use symbolic names instead of numeric relocation
2546         codes to report error.
2547         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2548         workaround.
2549         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2550         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2551         thumb2_blx_out_of_range.stdout
2552         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2553         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2554         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2555         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2556         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2557         thumb2_blx_in_range, thumb2_blx_in_range.o,
2558         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2559         thumb2_blx_out_of_range.o): New rules.
2560         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2561         thumb2_blx_in_range and thumb2_blx_out_of_range.
2562         * testsuite/Makefile.in: Regenerate.
2563         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2564         * testsuite/thumb_blx_in_range.s: New file.
2565         * testsuite/thumb_blx_out_of_range.s: New file.
2566
2567 2010-03-22  Rafael Espindola  <espindola@google.com>
2568
2569         * archive.cc (Should_include): Move to archive.h.
2570         (should_include_member): Make it a member of Archive.
2571         (Lib_group): New.
2572         (Add_lib_group_symbols): New.
2573         * archive.h: Include options.h.
2574         (Archive_member): Moved from Archive.
2575         (Should_include): Moved from archive.cc.
2576         (Lib_group): New.
2577         (Add_lib_group_symbols): New.
2578         * dynobj.cc (do_should_include_member): New.
2579         * dynobj.h (do_should_include_member): New.
2580         * gold.cc (queue_initial_tasks): Update call to queue.
2581         * main.cc (main): Print lib group stats.
2582         * object.cc (do_should_include_member): New.
2583         * object.h: Include archive.h.
2584         (Object::should_include_member): New.
2585         (Object::do_should_include_member): New.
2586         (Sized_relobj::do_should_include_member): New.
2587         * options.cc (General_options::parse_start_lib): New.
2588         (General_options::parse_end_lib): New.
2589         (Input_arguments::add_file): Handle lib groups.
2590         (Input_arguments::start_group): Check we are not in a lib.
2591         (Input_arguments::start_lib): New.
2592         (Input_arguments::end_lib): New.
2593         * options.h (General_options): Add start_lib and end_lib.
2594         (Input_argument::lib_): New.
2595         (Input_argument::lib): New.
2596         (Input_argument::is_lib): New.
2597         (Input_file_lib): New.
2598         (Input_arguments::in_lib_): New.
2599         (Input_arguments::in_lib): New.
2600         (Input_arguments::start_lib): New.
2601         (Input_arguments::end_lib_): New.
2602         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2603         in unused members as preempted.
2604         (Sized_pluginobj::do_should_include_member): New.
2605         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2606         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2607         return the blocker.
2608         (Read_symbols::do_whole_lib_group): New.
2609         (Read_symbols::do_lib_group): New.
2610         (Read_symbols::do_read_symbols): Handle lib groups.
2611         (Read_symbols::get_name): Handle lib groups.
2612         * readsyms.h (Read_symbols): Add an archive member pointer.
2613         (Read_symbols::do_whole_lib_group): New.
2614         (Read_symbols::do_lib_group): New.
2615         (Read_symbols::member_): New.
2616         * script.cc (read_input_script): Update call to queue_soon.
2617
2618 2010-03-19  Doug Kwan  <dougkwan@google.com>
2619
2620         * arm.cc (Stub_table::Stub_table): Initialize new data members
2621         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2622         (Stub_table::add_reloc_stub): Assign stub offset and update
2623         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2624         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2625         New data members.
2626         (Stub_table::update_data_size_and_addralign): Use
2627         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2628         instead of going over all reloc stubs.
2629         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2630         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2631         Stringpool_template::offset_ to size of Stringpool_char.
2632         (Stringpool_template::new_key_offset): Remove code to initialize
2633         Stringpool_template::offset_.
2634         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2635         Stringpool_template::offset_ to zero.
2636
2637 2010-03-15  Doug Kwan  <dougkwan@google.com>
2638
2639         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2640         offset_.
2641         (Stringpool_template::new_key_offset): New method.
2642         (Stringpool_template::add_string): Assign offsets when adding new
2643         strings.
2644         (Stringpool_template::set_string_offsets): Do not set string offsets
2645         when not optimizing.
2646         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2647         member size_.
2648         (Chunked_vector::clear): Clear size_.
2649         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2650         (Chunked_vector::size): Return size_.
2651         (Chunked_vector::push_back): Use size_ to find insert position.
2652         (Chunked_vector::size_): New data member.
2653         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2654         (Stringpool_template::new_key_offset): New method declaration.
2655         (Stringpool_template::offset_): New data member.
2656
2657 2010-03-15   Rafael Espindola  <espindola@google.com>
2658
2659         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2660         Add_symbols' constructor.
2661         * readsyms.h (Add_symbols): Remove the input_group member.
2662
2663 2010-03-10  Ian Lance Taylor  <iant@google.com>
2664
2665         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2666         target to ask whether a reference to a symbol requires a stack
2667         split.
2668         * target.h (Target::is_call_to_non_split): New function.
2669         (Target::do_is_call_to_non_split): Declare virtual function.
2670         * target.cc: Include "symtab.h".
2671         (Target::do_is_call_to_non_split): New function.
2672         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2673
2674 2010-03-10  Cary Coutant  <ccoutant@google.com>
2675
2676         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2677         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2678         (File_read::open[2]): Add whole_file_view_ to list of views.
2679         (File_read::make_view): Remove test of whole_file_view_.
2680         (File_read::find_or_make_view): Create whole_file_view_ if
2681         necessary.
2682         (File_read::clear_views): Replace bool parameter with enum;
2683         adjust all callers.  Don't delete views with permanent data;
2684         do delete cached views and views from archives if
2685         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2686         if clearing the corresponding view.
2687         * fileread.h (File_read::Clear_views_mode): New enum.
2688         (File_read::View::is_permanent_view): New method.
2689         (File_read::clear_views): Replace bool parameter
2690         with enum; adjust all callers.
2691         * options.h (General_options): Change keep_files_mapped option;
2692         add map_whole_files.
2693         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2694         releasing the file.
2695         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2696         the file.
2697
2698 2010-03-10  David S. Miller  <davem@davemloft.net>
2699
2700         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2701
2702 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2703
2704         * icf.cc (get_section_contents): Add '@' marker after processing the
2705         merge reloc.
2706
2707 2010-03-08  Doug Kwan  <dougkwan@google.com>
2708
2709         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2710         due to a conversion warning.
2711         (Arm_relobj::update_output_local_symbol_count): Check for local
2712         symbol with unset output index.
2713
2714 2010-03-05  Ian Lance Taylor  <iant@google.com>
2715
2716         * options.h (class General_options): Add --spare-dynamic-tags.
2717         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2718         --spare-dynamic-tags.
2719
2720 2010-03-05  Ian Lance Taylor  <iant@google.com>
2721
2722         * incremental.cc: Include "libiberty.h".
2723
2724 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2725
2726         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2727         function, is_info_ member.
2728         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2729         (Versions::Versions): Update caller.
2730         (Versions::define_base_version): Likewise.
2731         (Versions::add_def): Likewise.
2732
2733 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2734
2735         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2736         (Scan::possible_function_pointer_reloc): New function.
2737         (Scan::local_reloc_may_be_function_pointer): Change to call
2738         possible_function_pointer_reloc.
2739         (Scan::global_reloc_may_be_function_pointer): Ditto.
2740         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2741         relocations in ".data.rel.ro._ZTV" section.
2742         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2743         * testsuite/icf_safe_so_test.cc: Ditto.
2744         * testsuite/icf_safe_test.cc: Ditto.
2745         * testsuite/icf_safe_test.sh: Ditto.
2746
2747 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2748             Ian Lance Taylor  <iant@google.com>
2749
2750         * target-reloc.h (relocate_section): Check the symbol table index
2751         for -1U before setting the local symbol index.
2752         (scan_relocatable_relocs): If copying the relocation, record that
2753         the local symbol is required.
2754         * object.h (Symbol_value::is_output_symtab_index_set): New
2755         function.
2756         (Symbol_value::may_be_discarded_from_output_symtab): New
2757         function.
2758         (Symbol_value::has_output_symtab_entry): New function.
2759         (Symbol_value::needs_output_symtab_entry): Remove.
2760         (Symbol_value::output_symtab_index): Make sure the symbol index is
2761         set.
2762         (Symbol_value::set_output_symtab_index): Make sure the symbol
2763         index is not set.  Make sure the new index is valid.
2764         (Symbol_value::set_must_have_output_symtab_entry): New function.
2765         (Symbol_value::has_output_dynsym_entry): New function.
2766         (Symbol_value::set_output_dynsym_index): Make sure the new index
2767         is valid.
2768         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2769         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2770         local symbol if permitted.
2771         (Sized_relobj::do_finalize_local_symbols): Call
2772         is_output_symtab_index_set rather than needs_output_symtab_entry.
2773         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2774         rather than needs_output_symtab_entry.  Call
2775         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2776         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2777         is_output_symtab_index_set rather than needs_output_symtab_entry.
2778         * testsuite/discard_locals_relocatable_test.c: New file.
2779         * testsuite/discard_locals_test.sh: Test -r.
2780         * testsuite/Makefile.am (check_DATA): Add
2781         discard_locals_relocatable_test1.syms,
2782         discard_local_relocatable_test2.syms.
2783         (MOSTLYCLEANFILES): Likewise.  Also add
2784         discard_locals_relocatable_test1.lout and
2785         discard_locals_relocatable_test2.out.
2786         (discard_locals_relocatable_test1.syms): New target.
2787         (discard_locals_relocatable_test.o): New target.
2788         (discard_locals_relocatable_test1.out): New target.
2789         (discard_locals_relocatable_test2.syms): New target.
2790         (discard_locals_relocatable_test2.out): New target.
2791         (various): Add missing ../ld-new dependencies.
2792         * testsuite/Makefile.in: Rebuild.
2793
2794 2010-03-03  Nick Clifton  <nickc@redhat.com>
2795
2796         * po/fi.po: New Finnish translation.
2797
2798 2010-03-01  Doug Kwan  <dougkwan@google.com>
2799
2800         * layout.cc (Layout::Layout): Force section types of .init_array*,
2801         .preinit_array* and .fini_array* sections.
2802         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2803         Fix check of return value of std::string::find.().
2804         (Output_section::Input_section_sort_compare::operator()): Remove
2805         comment about .init_array.
2806         (Output_section::Input_section_sort_init_fini_compare::operator()):
2807         New method.
2808         (Output_section::sort_attached_input_sections): Handle .init_array
2809         and .fini_array specially.
2810         * output.h (Output_section::Inut_section_sort_compare): Update
2811         comment.
2812         (Output_section::Input_section_sort_init_fini_compare): New struct.
2813
2814 2010-02-26  Doug Kwan  <dougkwan@google.com>
2815
2816         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2817         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2818         * testsuite/debug_msg.sh: Avoid matching source line number for
2819         use of global variable undef_int.
2820
2821 2010-02-26  Doug Kwan  <dougkwan@google.com>
2822
2823         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2824         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2825         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2826         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2827         * options.cc (General_options::General_options): Initialize member
2828         fix_v4bx_.
2829         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2830         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2831         and rm_no_fix_v4bx.stdout
2832         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2833         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2834         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2835         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2836         and arm_no_fix_v4bx.
2837         * Makefile.in: Regenerate.
2838         * testsuite/arm_fix_v4bx.s: New file.
2839         * testsuite/arm_fix_v4bx.sh: Ditto.
2840
2841 2010-02-24  Doug Kwan  <dougkwan@google.com>
2842
2843         * arm.cc (Target_arm::got_section): Make the .got section the first
2844         non RELRO section in the data segment.
2845         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2846         suffixes of section names.
2847
2848 2010-02-24  Doug Kwan  <dougkwan@google.com>
2849
2850         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2851         flags and attributes merging if an input file is a binary file.
2852         * fileread.cc (Input_file::open): Record format of original file.
2853         * fileread.h (Input_file::Format): New enum type.
2854         (Input_file::Input_file): Initialize data member format_.
2855         (Input_file::format): New method definition.
2856         (Input_file::format_):: New data member.
2857
2858 2010-02-24  Doug Kwan  <dougkwan@google.com>
2859
2860         * arm.cc (Arm_output_data_got): New class.
2861         (ARM_TCB_SIZE): New constant
2862         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2863         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2864         If user uses a script with a SECTIONS clause, issue only a warning
2865         for a misplaced EXIDX input section.  Otherwise, issue an error.
2866         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2867         garbage collection.
2868         (Target_arm::got_mode_index_entry): Handle static linking.
2869         (Target_arm::Scan::local): Ditto.
2870         (Target_arm::Scan::global): Ditto.
2871         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2872         all incorrectly implemented relocations.
2873         (Target_arm::fix_exidx_coverage): Pass layout to
2874         Arm_output_section::fix_exidx_coverage.
2875         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2876         from ".ARM.exidx." and ".ARM.extab.".
2877
2878 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2879
2880         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2881         section if it does not already exist.
2882         * attributes.cc (Attributes_section_data::Attributes_section_data):
2883         Don't crash if size is zero.
2884
2885 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2886             Ian Lance Taylor  <iant@google.com>
2887
2888         * gold.cc (queue_middle_tasks): If no input files were opened,
2889         exit.
2890         * workqueue.h (Task_function::Task_function): Assert that there is
2891         a blocker.
2892
2893 2010-02-22  Doug Kwan  <dougkwan@google.com>
2894
2895         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2896         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2897         types to avoid warnings due to different uint64_t implementations
2898         on different hosts.
2899
2900 2010-02-21  Doug Kwan  <dougkwan@google.com>
2901
2902         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2903         handling of the maximum backward branch offset.
2904         (Arm_relocate_functions::thumb_branch_common): Ditto.
2905         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2906         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2907         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2908         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2909         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2910         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2911         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2912         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2913         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2914         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2915         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2916         thumb2_bl_out_of_range.o): New rules.
2917         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2918         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2919         thumb2_bl_out_of_range
2920         * testsuite/Makefile.in: Regenerate.
2921         * testsuite/arm_bl_in_range.s: New file.
2922         * testsuite/arm_bl_out_of_range.s: Ditto.
2923         * testsuite/arm_branch_in_range.sh: Ditto.
2924         * testsuite/arm_branch_range.t: Ditto.
2925         * testsuite/thumb2_branch_range.t: Ditto.
2926         * testsuite/thumb_bl_in_range.s: Ditto.
2927         * testsuite/thumb_bl_out_of_range.s: Ditto.
2928         * testsuite/thumb_branch_range.t: Ditto.
2929
2930 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2931
2932         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2933         Add reloc offset information.
2934         * icf.cc (get_section_contents): Change iterators to point to the new
2935         vectors. Add reloc offset information to the contents.
2936         * icf.h (Icf::Sections_reachable_info): New typedef.
2937         (Icf::Sections_reachable_list): New typedef.
2938         (Icf::Offset_info): New typedef.
2939         (Icf::Reloc_info): New struct typedef.
2940         (Icf::Reloc_info_list): New typedef.
2941         (Icf::symbol_reloc_list): Delete method.
2942         (Icf::addend_reloc_list): Delete method.
2943         (Icf::section_reloc_list): Delete method.
2944         (Icf::reloc_info_list): New method.
2945         (Icf::reloc_info_list_): New member.
2946
2947 2010-02-19  Doug Kwan  <dougkwan@google.com>
2948
2949         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2950         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2951         * arm.cc (Arm_relocation_functions): New forward declaration.
2952         (Target_arm::Target_arm): Initialize new data members
2953         got_mod_index_offset_ and tls_base_symbol_defined_.
2954         (Target_arm::Relocate::relocate_tls): New method.
2955         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2956          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2957         New methods.
2958         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2959         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2960         (Target_arm::got_mod_index_offset_,
2961         Target_arm::tls_base_symbol_defined_): New data members.
2962         (Target_arm::Scan::local, Target::Scan::global,
2963         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2964         relocations.
2965
2966 2010-02-18  Doug Kwan  <dougkwan@google.com>
2967
2968         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2969         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2970         text section as a parameter becuase some broken tools may not set
2971         the link in section header.
2972         (Target_arm::has_got_section): New method.
2973         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2974         without any mapping symbol as data only.  Remove warning.
2975         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2976         link in its section header, try to discover the link by inspecting the
2977         REL31 relocation at the beginning of the section.
2978         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2979         in error message.
2980         (Target_arm::Scan::global): Treat any reference to the symbol
2981         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2982
2983 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2984
2985         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2986         (Scan::global_reloc_may_be_function_pointer): New function.
2987         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2988         (Scan::global_reloc_may_be_function_pointer): New function.
2989         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2990         (Scan::global_reloc_may_be_function_pointer): New function.
2991         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2992         (Scan::global_reloc_may_be_function_pointer): New function.
2993         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2994         (Scan::global_reloc_may_be_function_pointer): New function.
2995         (Scan::possible_function_pointer_reloc): New function.
2996         (Target_x86_64::can_check_for_function_pointers): New function.
2997         * gc.h (gc_process_relocs): Scan relocation types to determine if
2998         function pointers were taken for targets that support it.
2999         * icf.cc (Icf::find_identical_sections): Include functions for
3000         folding in safe ICF whose pointer is not taken.
3001         * icf.h (Secn_fptr_taken_set): New typedef.
3002         (fptr_section_id_): New member.
3003         (section_has_function_pointers): New function.
3004         (set_section_has_function_pointers): New function.
3005         (check_section_for_function_pointers): New function.
3006         * options.h: Fix comment for safe ICF option.
3007         * target.h (can_check_for_function_pointers): New function.
3008         * testsuite/Makefile.am: Add icf_safe_so_test test case.
3009         Modify icf_safe_test for X86-64.
3010         * testsuite/Makefile.in: Regenerate.
3011         * testsuite/icf_safe_so_test.cc: New file.
3012         * testsuite/icf_safe_so_test.sh: New file.
3013         * testsuite/icf_safe_test.cc (kept_func_3): New function.
3014         (main): Change to take pointer to function kept_func_3.
3015         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
3016         folding is done correctly for X86-64.
3017
3018 2010-02-12  David S. Miller  <davem@davemloft.net>
3019
3020         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
3021         is_symbolless parameter.
3022         (Output_reloc<SHT_REL>::is_symbolless): New.
3023         (Output_reloc<SHT_REL>::is_symbolless_): New.
3024         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
3025         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
3026         (Output_reloc<SHT_RELA>::is_symbolless): New.
3027         (Output_data_reloc::add_global): Handle is_symbolless.
3028         (Output_data_reloc::add_global_relative): Likewise.
3029         (Output_data_reloc::add_local): Likewise.
3030         (Output_data_reloc::add_local_relative): Likewise.
3031         (Output_data_reloc::add_symbolless_global_addend): New.
3032         (Output_data_reloc::add_symbolless_local_addend): New.
3033         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
3034         is_symbolless.
3035         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
3036         instead of ->is_relative_
3037         (Output_reloc::write): Likewise.
3038         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
3039         (Output_reloc::write_rel): Simplify.
3040
3041         * sparc.cc (Target_sparc::Scan::local): Use
3042         ->add_symbolless_local_addend as needed.
3043         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
3044         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
3045         based upon relocation offset.
3046
3047 2010-02-11  Doug Kwan  <dougkwan@google.com>
3048
3049         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
3050         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
3051         beginning of function.
3052         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
3053         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
3054         parameter is_32bit in calls to should_apply_static_reloc.
3055         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
3056         (check_DATA): Add arm_abs_global.stdout.
3057         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
3058         arm_abs_global.stdout): New rules.
3059         (MOSTLLYCLEANFILES): Add arm_abs_global
3060         * Makefile.in: Regenerate.
3061         * testsuite/arm_abs_global.s: New file.
3062         * testsuite/arm_abs_global.sh: Ditto.
3063         * testsuite/arm_abs_lib.s: Ditto.
3064
3065 2010-02-11  Ian Lance Taylor  <iant@google.com>
3066
3067         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
3068         Read_relocs task.
3069         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
3070         Allocate_commons_task first.
3071         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
3072         task, rather than symtab_lock_.
3073         (Gc_process_relocs::~Gc_process_relocs): New function.
3074         (Gc_process_relocs::is_runnable): Check this_blocker_.
3075         (Gc_process_relocs::locks): Use next_blocker_ rather than
3076         blocker_.
3077         (Scan_relocs::~Scan_relocs): New function.
3078         (Scan_relocs::is_runnable): Check this_blocker_ rather than
3079         symtab_lock_.
3080         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
3081         next_blocker_.
3082         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
3083         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
3084         constructor accordingly.
3085         (class Gc_process_relocs): Likewise.
3086         (class Scan_relocs): Likewise.
3087         * common.h (class Allocate_commons_task): Remove symtab_lock_
3088         field, and corresponding constructor parameter.
3089         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
3090         symtab_lock_.
3091         (Allocate_commons_task::locks): Likewise.
3092
3093 2010-02-11  Ian Lance Taylor  <iant@google.com>
3094
3095         * gold-threads.h (class Once): Define.
3096         (class Initialize_lock): Rewrite as child of Once.
3097         * gold-threads.cc (class Once_initialize): Define.
3098         (once_pointer_control): New static variable.
3099         (once_pointer, once_arg): New static variables.
3100         (c_run_once): New static function.
3101         (Once::Once, Once::run_once, Once::internal_run): New functions.
3102         (class Initialize_lock_once): Remove.
3103         (initialize_lock_control): Remove.
3104         (initialize_lock_pointer): Remove.
3105         (initialize_lock_once): Remove.
3106         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
3107         (Initialize_lock::initialize): Rewrite.
3108         (Initialize_lock::do_run_once): New function.
3109         * archive.cc (Archive::interpret_header): Only clear name if it is
3110         not already empty.
3111         * fileread.cc: Include "gold-threads.h"
3112         (file_counts_lock): New static variable.
3113         (file_counts_initialize_lock): Likewise.
3114         (File_read::release): Only increment counts when using --stats.
3115         Use a lock around the increment.
3116         * parameters.cc (class Set_parameters_target_once): Define.
3117         (set_parameters_target_once): New static variable.
3118         (Parameters::Parameters): Move here from parameters.h.
3119         (Parameters::set_target): Rewrite.
3120         (Parameters::set_target_once): New function.
3121         (Parameters::clear_target): Move here and rewrite.
3122         * parameters.h (class Parameters): Update declarations.  Add
3123         set_parameters_target_once_ field.
3124         (Parameters::Parameters): Move to parameters.cc.
3125         (Parameters::clear_target): Likewise.
3126         * readsyms.cc (Read_symbols::do_group): Create a Start_group
3127         task.
3128         (Start_group::~Start_group): New function.
3129         (Start_group::is_runnable): New function.
3130         (Start_group::locks, Start_group::run): New functions.
3131         (Finish_group::run): Change saw_undefined to size_t.
3132         * readsyms.h (class Start_group): Define.
3133         (class Finish_group): Change saw_undefined_ field to size_t.
3134         (Finish_group::Finish_group): Remove saw_undefined and
3135         this_blocker parameters.  Change all callers.
3136         (Finish_group::set_saw_undefined): New function.
3137         (Finish_group::set_blocker): New function.
3138         * symtab.h (class Symbol_table): Change saw_undefined to return
3139         size_t.  Change saw_undefined_ field to size_t.
3140         * target-select.cc (Set_target_once::do_run_once): New function.
3141         (Target_selector::Target_selector): Initialize set_target_once_
3142         field.  Don't initialize lock_ and initialize_lock_ fields.
3143         (Target_selector::instantiate_target): Rewrite.
3144         (Target_selector::set_target): New function.
3145         * target-select.h (class Set_target_once): Define.
3146         (class Target_selector): Update declarations.  Make
3147         Set_target_once a friend.  Remove lock_ and initialize_lock_
3148         fields.  Add set_target_once_ field.
3149
3150 2010-02-10  Ian Lance Taylor  <iant@google.com>
3151
3152         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
3153         queueing any tasks.
3154         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
3155         (queue_middle_tasks): Add all blockers before queueing any tasks.
3156         (queue_final_tasks): Likewise.
3157         * token.h (Task_token::add_blockers): New function.
3158         * object.h (Input_objects::number_of_relobjs): New function.
3159
3160 2010-02-10  Ian Lance Taylor  <iant@google.com>
3161
3162         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
3163         shared, not if not position independent.
3164         * x86_64.cc (Relocate::relocate_tls): Likewise.
3165         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
3166         (tls_pie_pic_test): New target.
3167         * testsuite/Makefile.in: Rebuild.
3168
3169         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
3170         (tls_test_main_pie.o, tls_test_pie.o): New targets.
3171         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
3172         * testsuite/Makefile.in: Rebuild.
3173
3174 2010-02-09  David S. Miller  <davem@davemloft.net>
3175
3176         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
3177         R_SPARC_RELATIVE using ->add_local_relative().
3178         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
3179
3180         * output.h (Output_data_dynamic::add_section_size): New method
3181         that takes two Output_data objects.
3182         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
3183         entry param.  Handle it in initializers.
3184         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
3185         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
3186         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
3187         arg.
3188         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
3189         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
3190         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
3191         for dynrel_includes_plt.
3192         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3193         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3194         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
3195         before .rela.plt
3196         (Target_sparc::do_finalize_sections): Update to pass true for
3197         dynrel_includes_plt.
3198         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
3199         output before .rela.plt
3200         (Target_powerpc::do_finalize_sections): Update to pass true for
3201         dynrel_includes_plt when 32-bit.
3202
3203 2010-02-08  Doug Kwan  <dougkwan@google.com>
3204
3205         * arm.cc (Arm_relobj::simple_input_section_output_address): New
3206         method.
3207         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
3208         Arm_relobj::scan_section_for_cortex_a8_stubs,
3209         Arm_relobj::do_relocation_section): Instead of calling
3210         Output_section::output_address, use faster
3211         Arm_relobj::simple_input_section_output_address.
3212
3213 2010-02-08  David S. Miller  <davem@davemloft.net>
3214
3215         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
3216         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
3217         relocation helper function.
3218
3219         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
3220         just like R_SPARC_GOT{10,13,22}.
3221         (Target_sparc::Scan::local): Likewise.
3222         (Target_sparc::Relocate:relocate): Likewise.
3223
3224 2010-02-06  Ian Lance Taylor  <iant@google.com>
3225
3226         * configure.ac: Rewrite targetobjs duplicate removal code to use
3227         only shell constructs.
3228         * configure: Rebuild.
3229
3230 2010-02-05  Doug Kwan  <dougkwan@google.com>
3231
3232         PR 11247
3233         * arm.cc (Arm_relobj::section_is_scannable): New method.
3234         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
3235         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
3236
3237 2010-02-04  Doug Kwan  <dougkwan@google.com>
3238
3239         PR 11247
3240         * arm-reloc-property.cc (cstdio): Include.
3241         * configure.ac (targetobjs): Remove duplicates.
3242         * configure: Regenerate.
3243         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
3244         big and little endian version for a given address size.
3245
3246 2010-02-03  Doug Kwan  <dougkwan@google.com>
3247
3248         * arm-reloc-property.cc
3249         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3250         definition.
3251         * arm-reloc-property.h
3252         (Arm_reloc_property_table::get_implemented_static_reloc_property):
3253         New method definition.
3254         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3255         declaration.
3256         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
3257         overflow to N.
3258         (GOT_PREL): Change implemented to Y.
3259         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3260         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3261         (Arm_relocate_functions::movw_abs_nc): Remove method.
3262         (Arm_relocate_functions::movt_abs): Ditto.
3263         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3264         (Arm_relocate_functions::thm_movt_abs): Ditto.
3265         (Arm_relocate_functions::movw_rel_nc): Ditto.
3266         (Arm_relocate_functions::movw_rel): Ditto.
3267         (Arm_relocate_functions::movt_rel): Ditto.
3268         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3269         (Arm_relocate_functions:thm_movw_rel): Ditto.
3270         (Arm_relocate_functions:thm_movt_rel): Ditto.
3271         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3272         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3273         New method definitions.
3274         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3275         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3276         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3277         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3278         (Target_arm::Relocate::relocate): Check for non-static or
3279         unimplemented relocation code and exit early.  Change calls to
3280         Target_arm::reloc_uses_thumb_bit and
3281         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3282         instead.  Refactor code to handle similar relocations to increase
3283         code sharing.  Remove check for unsupported relocation code in switch
3284         statement.
3285         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3286         relocation property table to find out size.  Change error message to
3287         print out the name of a relocation code instead of the numeric value.
3288         (Target_arm::scan_reloc_for_stub): Use relocation property table
3289         instead of calling Target_arm::reloc_uses_thumb_bit().
3290
3291 2010-02-02  Doug Kwan  <dougkwan@google.com>
3292
3293         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3294         types of relaxed input section.
3295
3296 2010-02-02  Doug Kwan  <dougkwan@google.com>
3297
3298         * Makefile.am (HFILES): Add arm-reloc-property.h.
3299         (DEFFILES): New.
3300         (TARGETSOURCES): Add arm-reloc-property.cc
3301         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3302         (libgold_a_SOURCES): $(DEFFILES)
3303         * Makefile.in: Regenerate.
3304         * arm-reloc-property.cc: New file.
3305         * arm-reloc-property.h: New file.
3306         * arm-reloc.def: New file.
3307         * arm.cc: Update comments.
3308         (arm-reloc-property.h): New included header.
3309         (arm_reloc_property_table): New global variable.
3310         (Target_arm::do_select_as_default_target): New method definition.
3311         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3312         arm-reloc-property to targ_extra_obj.
3313         * parameters.cc (set_parameters_target): Call
3314         Target::select_as_default_target().
3315         * target.h (Target::select_as_default_target): New method definition.
3316         (Target::do_select_as_default_target): Same.
3317
3318 2010-02-01  Doug Kwan  <dougkwan@google.com>
3319
3320         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3321         first_output_text_section_.
3322         (Arm_exidx_fixup::first_output_text_section): New method definition.
3323         (Arm_exidx_fixup::first_output_text_section_): New data member.
3324         (Arm_exidx_fixup::process_exidx_section): Record the first text
3325         output section seen.
3326         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3327         and entsize in output section header.
3328
3329 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3330
3331         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3332         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3333         (Arm_relocate_functions::thm_alu11): New Method.
3334         (Arm_relocate_functions::thm_pc8): New Method.
3335         (Arm_relocate_functions::thm_pc12): New Method.
3336         (Target_arm::Scan::local): Handle the relocations.
3337         (Target_arm::Scan::global): Likewise.
3338         (Target_arm::Relocate::relocate): Likewise.
3339         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3340
3341 2010-01-29  Doug Kwan  <dougkwan@google.com>
3342
3343         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3344         of relocation types as ld.
3345
3346 2010-01-29  Doug Kwan  <dougkwan@google.com>
3347
3348         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3349         to public.
3350         (Arm_relocate_functions::thumb_branch_common): Ditto.
3351         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3352         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3353         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3354         Arm_relocate_functions::jump24): Remove.
3355         (Target_arm::Relocate::relocate): Adjust code to call
3356         Arm_relocation_functions::arm_branch_common and
3357         Arm_relocation_functions::thumb_branch_common instead of their removed
3358         wrappers.  Merge switch-cases together to reduce source code size.
3359
3360 2010-01-29  Doug Kwan  <dougkwan@google.com>
3361
3362         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3363         output_local_symbol_count_needs_update_.
3364         (Arm_relobj::output_local_symbol_count_needs_update,
3365          Arm_relobj::set_output_local_symbol_count_needs_update,
3366          Arm_relobj::update_output_local_symbol_count): New methods.
3367         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3368         member.
3369         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3370         of pointed function as in a R_ARM_PREL31 relocation.
3371         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3372         for output local symbol count updating.
3373         (Target_arm::do_relax): Update output local symbol counts in objects
3374         if necessary.
3375         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3376
3377 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3378
3379         * arm.cc: Added support for the ARM relocations:
3380         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3381         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3382         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3383         movw_prel_nc).
3384         (Arm_relocate_functions::movw_rel): New method.
3385         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3386         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3387         thm_movw_prel_nc).
3388         (Arm_relocate_functions::thm_movw_rel): New method.
3389         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3390         thm_movt_prel).
3391         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3392         relocations.
3393         (Target_arm::Scan::global): Likewise.
3394         (Target_arm::Relocate::relocate): Likewise.
3395         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3396         Likewise.
3397
3398 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3399
3400         * arm.cc: Added support for ARM group relocations.
3401         (Target_arm::reloc_needs_sym_origin): New method.
3402         (Arm_relocate_functions::calc_grp_kn): New method.
3403         (Arm_relocate_functions::calc_grp_residual): New method.
3404         (Arm_relocate_functions::calc_grp_gn): New method.
3405         (Arm_relocate_functions::arm_grp_alu): New Method.
3406         (Arm_relocate_functions::arm_grp_ldr): New Method.
3407         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3408         (Arm_relocate_functions::arm_grp_ldc): New Method.
3409         (Target_arm::Scan::local): Handle the ARM group relocations.
3410         (Target_arm::Scan::global): Likewise.
3411         (Target_arm::Relocate::relocate): Likewise.
3412         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3413         Likewise.
3414
3415 2010-01-26  Doug Kwan  <dougkwan@google.com>
3416
3417         * arm.cc (set): Include.
3418         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3419         pointer type.
3420         (Arm_output_section::Text_section_list): New type.
3421         (Arm_output_section::append_text_sections_to_list): New method.
3422         (Arm_output_section::fix_exidx_coverage): Ditto.
3423         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3424         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3425         Relobj::set_section_offset() instead of
3426         Sized_relobj::invalidate_section_offset().
3427         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3428         parameter for section headers. Ignore relocation sections for
3429         unallocated sections and EXIDX sections.
3430         (Target_arm::fix_exidx_coverage): New method.
3431         (Target_arm::output_section_address_less_than): New type.
3432         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3433         linked text section instead of the EXIDX section.
3434         (Arm_output_section::create_stub_group): Add an assertion to check
3435         that this is not an EXIDX output section.
3436         (Arm_output_section::append_text_sections_to_list): New method.
3437         (Arm_output_section::fix_exidx_coverage): Ditto.
3438         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3439         Arm_relobj::section_needs_reloc_stub_scanning.
3440         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3441         first pass.
3442         (Target_arm::fix_exidx_coverage): New method.
3443         * object.h (Relobj::set_output_section): New method.
3444         (Sized_relobj::invalidate_section_offset): Remove method.
3445         (Sized_relobj::do_invalidate_section_offset): Remove method.
3446         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3447
3448 2010-01-25  Doug Kwan  <dougkwan@google.com>
3449
3450         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3451         Fix warning due to signed and unsigned comparison on a 32-bit host.
3452
3453 2010-01-22  Doug Kwan  <dougkwan@google.com>
3454
3455         * arm.cc (Target_arm::do_relax): Record an output section for section
3456         offset adjustment it contains any stub table that has changed.
3457         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3458         offsets in an output section if necessary.
3459         * output.cc (Output_section::Output_section): Initialize
3460         section_offsets_need_adjustments_.
3461         (Output_section::add_input_section_for_script): Renamed to
3462         Output_section::add_simple_input_section.
3463         (Output_section::save_states): Add a comment.
3464         (Output_section::discard_states): New method defintion.
3465         (Output_section::adjust_section_offsets): Same.
3466         * output.h (Output_section::add_input_section_for_script): Renamed to
3467         Output_section::add_simple_input_section.
3468         (Output_section::discard_states): New method declaration.
3469         (Output_section::adjust_section_offsets): Same.
3470         (Output_section::section_offsets_need_adjustment,
3471         Output_section::set_section_offsets_need_adjustment): New method
3472         definitions.
3473         (Output_section::section_offsets_need_adjustment_): New data member.
3474         * script-sections.cc
3475         (Output_section_element_input::set_section_address): Adjust code for
3476         renaming of Output_section::add_input_section_for_script.
3477         (Orphan_output_section::set_section_address): Same.
3478
3479 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3480
3481         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3482         Fix_v4bx enum values .
3483         * gold/options.h (General_options): New option definitions.
3484         (General_options::fix_v4bx): New method.
3485         (General_options::Fix_v4bx): New enum.
3486         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3487         (General_options::parse_fix_v4bx_interworking): New method.
3488
3489 2010-01-22  Doug Kwan  <dougkwan@google.com>
3490
3491         * arm.cc (Arm_exidx_fixup): New class.
3492
3493 2010-01-21  Doug Kwan  <dougkwan@google.com>
3494
3495         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3496         classes.
3497         (Arm_exidx_section_offset_map): New type.
3498
3499 2010-01-21  Doug Kwan  <dougkwan@google.com>
3500
3501         * arm.cc (Arm_exidx_input_section): New class.
3502         (Arm_relobj::exidx_input_section_by_link,
3503         Arm_relobj::exidx_input_section_by_shndx,
3504         Arm_relobj::make_exidx_input_section): New methods.
3505         (read_arm_attributes_section): Remove.
3506         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3507         information about them.
3508         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3509         to here.
3510
3511 2010-01-20  Doug Kwan  <dougkwan@google.com>
3512
3513         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3514         Input_section_specifier to Section_id.
3515         (Target_arm::new_arm_input_section: Adjust code for change of key
3516         type.
3517         (Target_arm::find_arm_input_section): Ditto.
3518         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3519         (Section_id): Remove.
3520         (Garbage_collection::Section_id_hash): Remove.
3521         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3522         (Section_id): Remove.
3523         (Icf::Section_id_hash): Remove.
3524         * object.h (Section_id, Const_section_id, Section_id_hash,
3525         Const_section_id_hash): New type definitions.
3526         * output.cc (Output_section::add_relaxed_input_section): Change to
3527         use Const_section_id instead of Input_section_specifier as key type.
3528         (Output_section::add_merge_input_section): Ditto.
3529         (Output_section::build_relaxation_map): Change to use Section_id
3530         instead of Input_section_specifier as key type.
3531         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3532         Ditto.
3533         (Output_section::convert_input_sections_to_relaxed_sections): Change
3534         to use Const_section_id instead of Input_section_specifier as key type.
3535         (Output_section::find_merge_section): Ditto.
3536         (Output_section::find_relaxed_input_section): Ditto.
3537         * output.h (Input_section_specifier): Remove class.
3538         (Output_section::Output_section_data_by_input_section_map): Change
3539         key type to Const_section_id.
3540         (Output_section::Output_relaxed_input_section_by_input_section_map):
3541         Ditto.
3542         (Output_section::Relaxation_map): Change key type to Section_id.
3543
3544 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3545
3546         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3547         (class Arm_v4bx_stub): New class.
3548         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3549         (Stub_factory::make_arm_v4bx_stub): New method.
3550         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3551         (Stub_table::empty): Handle v4bx stubs.
3552         (Stub_table::add_arm_v4bx_stub): New method.
3553         (Stub_table::find_arm_v4bx_stub): New method.
3554         (Arm_relocate_functions::v4bx): New method.
3555         (Target_arm::fix_v4bx): New method.
3556         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3557         (Stub_table::relocate_stubs): Likewise.
3558         (Stub_table::do_write): Likewise.
3559         (Stub_table::update_data_size_and_addralign): Likewise.
3560         (Stub_table::finalize_stubs):  Likewise.
3561         (Target_arm::Scan::local): Likewise.
3562         (Target_arm::Scan::global): Likewise.
3563         (Target_arm::do_finalize_sections): Likewise.
3564         (Target_arm::Relocate::relocate): Likewise.
3565         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3566         Likewise.
3567         (Target_arm::scan_reloc_for_stub): Likewise.
3568         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3569
3570 2010-01-19  Ian Lance Taylor  <iant@google.com>
3571
3572         * output.cc (Output_section_headers::do_sized_write): Write large
3573         segment count to sh_info field.
3574         (Output_file_header::do_sized_write): For large segment count,
3575         write PN_XNUM to e_phnum field.
3576
3577 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3578
3579         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3580         (Arm_relocate_functions::thm_jump8): New function.
3581         (Arm_relocate_functions::thm_jump11): New function.
3582         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3583         R_ARM_THM_JUMP11.
3584         (Target_arm::Scan::global): Likewise.
3585         (Target_arm::Relocate::relocate): Likewise.
3586         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3587         Likewise.
3588
3589 2010-01-14  Doug Kwan  <dougkwan@google.com>
3590
3591         * arm.cc (map, utility): Include headers.
3592         (Target_arm::apply_cortex_a8_workaround): New method.
3593         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3594         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3595         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3596         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3597         the --[no-]fix-cortex-a8 command line options.
3598         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3599         (Target_arm::relocate_stub): Use addend in instruction template.
3600         * options.h (DEFINE_bool): Set the user-set flag.
3601         (General_options): Add --[no-]-fix-cortex options.
3602         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3603         : Update fast look-up map after conversion.
3604
3605 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3606
3607         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3608         in the first pass of do_layout.
3609
3610 2010-01-13  Doug Kwan  <dougkwan@google.com>
3611
3612         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3613         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3614         apparent compiler problem of not folding static constant integral
3615         data members of elfcpp::Elf_sizes<32>.
3616
3617 2010-01-13  Doug Kwan  <dougkwan@google.com>
3618
3619         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3620         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3621         Arm_relobj::scan_section_for_cortex_a8_erratum,
3622         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3623         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3624         sections to scan for relocation stubs into a new method
3625         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3626         relocation and Cortex-A8 stub scanning.
3627         (Target_arm::do_relax): Force stubs to be after stubbed sections
3628         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3629         the beginning of a new relaxation pass.  Update a comment.
3630         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3631
3632 2010-01-12  Ian Lance Taylor  <iant@google.com>
3633
3634         * target-reloc.h (visibility_error): New inline function.
3635         (relocate_section): Call visibility_error.
3636         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3637         (MOSTLYCLEANFILES): Likewise.
3638         (protected_4_pic.o, protected_3.err): New targets.
3639         * testsuite/protected_4.cc: New file.
3640
3641 2010-01-12  Doug Kwan  <dougkwan@google.com>
3642
3643         * arm.cc (Cortex_a8_reloc): New class.
3644         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3645         and cortex_a8_relocs_info_.
3646         (Target_arm::fix_cortex_a8): New method definition.
3647         (Target_arm::Cortex_a8_relocs_info): New type.
3648         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3649         New data member declarations.
3650         (Target_arm::scan_reloc_for_stub): Record information about
3651         relocations for THUMB branches that might be exempted from the
3652         Cortex-A8 workaround.
3653         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3654         at the beginning of a relaxation pass.
3655
3656 2010-01-12  Doug Kwan  <dougkwan@google.com>
3657
3658         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3659         (Arm_relobj::Mapping_symbol_position,
3660          Arm_reloj::Mapping_symbol_position_less,
3661          Arm_relobj::Mapping_symbols_info): New types.
3662         (Target_arm::is_mapping_symbol_name): New method definition.
3663         (Arm_relobj::do_count_local_symbols): Save information about mapping
3664         symbols.
3665
3666 2010-01-11  Doug Kwan  <dougkwan@google.com>
3667
3668         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3669         Arm_relocate_functions::thumb32_branch_upper,
3670         Arm_relocate_functions::thumb32_branch_lower,
3671         Arm_relocate_functions::thumb32_cond_branch_offset,
3672         Arm_relocate_functions::thumb32_cond_branch_upper,
3673         Arm_relocate_functions::thumb32_cond_branch_lower,
3674         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3675         branch offset encoding.
3676         (Arm_relocate_functions::thumb_branch_common): Use new branch
3677         offset encoding methods to avoid code duplication.
3678         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3679         (Stub_addend_reader::operator()): Use new branch encoding method
3680         to avoid code duplication.
3681
3682 2010-01-11  Doug Kwan  <dougkwan@google.com>
3683
3684         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3685         (Target_arm::do_finalize_sections): Define special EXIDX section
3686         symbols only if referenced.
3687         * gc.h (Garbage_collection::add_reference): New method.
3688         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3689         code duplication.
3690
3691 2010-01-11  Ian Lance Taylor  <iant@google.com>
3692
3693         * script.cc (Version_script_info::build_expression_list_lookup):
3694         Change complaing about duplicate wildcard match from error to
3695         warning.
3696
3697         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3698         of 2009-12-30.
3699         (Version_script_info::Version_script_info): Initialize globs_,
3700         default_version_, default_is_global_, and exact_.  Don't
3701         initialize globals_ or locals_.
3702         (Version_script_info::build_lookup_tables): Build local symbols
3703         first.
3704         (Version_script_info::unquote): New function.
3705         (Version_script_info::add_exact_match): New function.
3706         (Version_script_info::build_expression_list_lookup): Remove lookup
3707         parameter.  Add is_global parameter.  Change all callers.  Handle
3708         wildcard pattern specially.  Unquote pattern.  Call
3709         add_exact_match.
3710         (Version_script_info::get_name_to_match): New function.
3711         (Version_script_info::get_symbol_version): New function.
3712         (Version_script_info::get_symbol_version_helper): Remove.
3713         (Version_script_info::check_unmatched_names): Call unquote.
3714         * script.h (class Version_script_info): Change get_symbol_version
3715         to be non-inline and add is_global parameter; change all callers.
3716         Rewrite symbol_is_local.  Update declarations.  Define struct
3717         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3718         Remove globals_ and locals_ members.  Add exact_, globs_,
3719         default_version_, is_global_.
3720         (Version_script_info::Glob): Remove pattern, add expression and
3721         is_global.  Update constructor.  Change all callers.
3722         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3723         default version.
3724         (Versions::symbol_section_contents): If a symbol is undefined, or
3725         defined in a dynamic object, set the version index to
3726         VER_NDX_LOCAL.
3727         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3728         symbol_is_local.
3729         (Symbol_table::add_from_pluginobj): Likewise.
3730         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3731
3732 2010-01-11  Doug Kwan  <dougkwan@google.com>
3733
3734         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3735         (incremental_dump_LDADD): Add linking option for libintl.
3736         * Makefile.in: Regenerate.
3737
3738 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3739
3740         PR gold/11144
3741         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3742         instead of -Ds.
3743         * testsuite/Makefile.in: Regenerated.
3744
3745 2010-01-10  Doug Kwan  <dougkwan@google.com>
3746
3747         * options.h (DEFINE_var): Use parentheses around argument varname__
3748         in macro body to avoid any unintended subsequent substitutions.
3749
3750 2010-01-10  Ian Lance Taylor  <iant@google.com>
3751
3752         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3753         candidates before doing symbol resolution.
3754
3755         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3756         ODR candidates if only one is weak.
3757
3758 2010-01-08  Ian Lance Taylor  <iant@google.com>
3759
3760         * script.cc (Version_script_info::build_expression_list_lookup):
3761         Don't warn about ambiguous version, just record the ambiguity.
3762         (Version_script_info::get_symbol_version_helper): Give error if
3763         version is ambiguous.
3764
3765 2010-01-08  Doug Kwan  <dougkwan@google.com>
3766
3767         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3768           prev_data_size_ and prev_addralign_.  Remove initializer for
3769           deleted data member has_been_changed_.
3770           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3771           to determine if the table is empty.
3772           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3773           Remove.
3774           (Stub_table::add_reloc_stub): Define method in class definition
3775           instead of just declaring it there.
3776           (Stub_table::add_cortex_a8_stub): New method definition.
3777           (Stub_table::update_data_size_and_addralign): Ditto.
3778           (Stub_table::finalize_stubs): Ditto.
3779           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3780           (Stub_table::do_addralign_): Return address alignment in the
3781           (Stub_table::do_reset_address_and_file_offset): Define method in
3782           class definition instead of declaring it there.  Set current data
3783           size to be the data size of the previous pass.
3784           (Stub_table::set_final_data_size): Use current data size as the
3785           final data size.
3786           (Stub_table::relocate_stub): Change parameter type of stub from
3787           Reloc_stub pointer to Stub pointer.
3788           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3789           (Stub_table::Cortex_a8_stub_list): New typedef.
3790           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3791            Stub_table::prev_addralign_): New data member.
3792           (Arm_relobj::Arm_relobj): Initialize data member
3793           section_has_cortex_a8_workaround_.
3794           (Arm_relobj::section_has_cortex_a8_workaround,
3795            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3796            definitions.
3797           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3798           declarations.
3799           (Target_arm::relocate_stub): Change parameter type of stub from
3800           Reloc_stub pointer to Stub pointer.
3801           (Insn_template::size, Insn_template::alignment): Handle
3802           THUMB16_SPECIAL_TYPE.
3803           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3804            Stub_table::update_data_size_and_addralign,
3805            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3806           definitions.
3807           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3808           (Stub_table::do_write): Ditto.
3809           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3810
3811 2010-01-08  Ian Lance Taylor  <iant@google.com>
3812
3813         PR 11108
3814         * symtab.h (class Symbol): Remove fields is_target_special_ and
3815         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3816         (Symbol::is_defined_in_discarded_section): New function.
3817         (Symbol::set_is_defined_in_discarded_section): New function.
3818         (Symbol::has_plt_offset): Rewrite.
3819         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3820         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3821         Don't initialize is_target_special_ or has_plt_offset_.
3822         Initialize is_defined_in_discarded_section_.
3823         (Symbol_table::add_from_relobj): If appropriate, set
3824         is_defined_in_discarded_section.
3825         * resolve.cc (Symbol::override_base_with_special): Don't test
3826         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3827         * target-reloc.h (relocate_section): Do special handling for
3828         symbols defined in discarded sections for global symbols as well
3829         as local symbols.
3830
3831 2010-01-08  Ian Lance Taylor  <iant@google.com>
3832
3833         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3834         the SHT_SYMTAB case.
3835
3836 2010-01-08  Ian Lance Taylor  <iant@google.com>
3837
3838         * object.cc (Sized_relobj::do_layout): Don't get confused if
3839         layout_eh_frame returns NULL.
3840
3841 2010-01-08  Ian Lance Taylor  <iant@google.com>
3842
3843         PR 11084
3844         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3845         dynamic symbol table, use the normal symbol table.
3846         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3847         symbol table.
3848
3849 2010-01-08  Ian Lance Taylor  <iant@google.com>
3850
3851         PR 11072
3852         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3853         sections.
3854
3855 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3856
3857         * version.cc (print_version): Change to "Copyright 2010".
3858
3859 2010-01-08  Ian Lance Taylor  <iant@google.com>
3860
3861         PR 10287
3862         PR 11063
3863         * i386.cc (class Target_i386): Change return type of plt_section
3864         to be non-const.
3865         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3866         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3867         tls_desc_rel_ field.
3868         (Output_data_plt_i386::rel_tls_desc): New function.
3869         (Target_i386::rel_tls_desc_section): New function.
3870         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3871         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3872         R_386_TLS_DESC reloc in rel_tls_desc_section.
3873         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3874         Define struct Tlsdesc_info.
3875         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3876         (Target_x86_64::do_reloc_symbol_index): New function.
3877         (Target_x86_64::add_tlsdesc_info): New function.
3878         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3879         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3880         tlsdesc_rel_ field.
3881         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3882         all callers.
3883         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3884         (Target_x86_64::rela_tlsdesc_section): New function.
3885         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3886         handling.
3887         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3888         (Target_x86_64::do_reloc_addend): New function.
3889         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3890         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3891         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3892         (Output_reloc::type): New function.
3893         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3894         (Output_reloc::is_target_specific): New function.
3895         (Output_reloc::target_arg): New function.
3896         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3897         absolute relocs and target specific relocs.
3898         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3899         add_target_specific.
3900         (class Output_data_reloc) [SHT_RELA]: Likewise.
3901         * output.cc (Output_reloc::Output_reloc): Add four new versions
3902         for absolute relocs and target specific relocs.
3903         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3904         (Output_reloc::get_symbol_index): Likewise.
3905         (Output_reloc::local_section_offset): Check that local_sym_index_
3906         is not TARGET_CODE or 0.
3907         (Output_reloc::symbol_value): Likewise.
3908         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3909         reloc.
3910         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3911         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3912         functions.
3913         * layout.cc (add_target_dynamic_tags): Use output section for
3914         DT_PLTRELSZ and DT_JMPREL.
3915
3916 2010-01-07  Ian Lance Taylor  <iant@google.com>
3917
3918         PR 11061
3919         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3920         function.
3921         (class Output_data_reloc_generic): Define.
3922         (class Output_data_reloc_base): Change base class to
3923         Output_data_reloc_generic.  Change add() method to call
3924         bump_relative_reloc_count for a relative reloc.  Remove
3925         sort_relocs_ field.
3926         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3927         to sort_relocs().
3928         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3929         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3930         appropriate.
3931         * layout.h (class Layout): Update declaration.
3932
3933 2010-01-07  Ian Lance Taylor  <iant@google.com>
3934
3935         * output.h (class Output_data): Add const version of
3936         output_section and do_output_section.
3937         (class Output_section_data): Add const version of
3938         do_output_section.
3939         (class Output_section): Likewise.
3940         * layout.cc (Layout::add_target_dynamic_tags): New function.
3941         * layout.h (class Layout): Update declarations.
3942         * arm.cc (Target_arm::do_finalize_sections): Use
3943         add_target_dynamic_tags.
3944         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3945         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3946         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3947         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3948
3949 2010-01-07  Ian Lance Taylor  <iant@google.com>
3950
3951         PR 11042
3952         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3953         object as needed.
3954
3955 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3956             Ian Lance Taylor  <iant@google.com>
3957
3958         PR 11019
3959         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3960         Xindex::read_symtab_xindex.
3961
3962 2010-01-07  Doug Kwan  <dougkwan@google.com>
3963
3964         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3965         (Insn_template::thumb16_bcond_insn): New method declaration.
3966         (Insn_template): Fix spelling.
3967         (Stub::thumb16_special): New method declaration.
3968         (Stub::do_write): Define virtual method which was previously pure
3969         virtual.
3970         (Stub::do_thumb16_special): New method declaration.
3971         (Stub::do_fixed_endian_write): New template member.
3972         (Reloc_stub::do_write): Remove.
3973         (Reloc_stub::do_fixed_endian_write): Remove.
3974         (Cortex_a8_stub): New class definition.
3975         (Stub_factory::make_cortex_a8_stub): New method definition.
3976         (Stub_factory::Stub_factory): Add missing static storage class
3977         qualifier for elf32_arm_stub_a8_veneer_blx.
3978
3979 2010-01-07  Ian Lance Taylor  <iant@google.com>
3980
3981         PR 10980
3982         * options.h (class General_options): Add --warn-unresolved-symbols
3983         and --error-unresolved-symbols.
3984         * errors.cc (Errors::undefined_symbol): Implement
3985         --warn-unresolved-symbols.
3986
3987         * options.h (class General_options): Add -z text and -z textoff.
3988         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3989
3990 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3991
3992         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3993         (Garbage_collection::cident_sections): New function.
3994         (Garbage_collection::add_cident_section): New function.
3995         (Garbage_collection::cident_sections_): New member.
3996         (gc_process_relocs): Add references to sections whose names are C
3997         identifiers.
3998         * gold.h (cident_section_start_prefix): New constant.
3999         (cident_section_stop_prefix): New constant.
4000         (is_cident): New function.
4001         * layout.cc (Layout::define_section_symbols): Replace string constants
4002         with the newly defined constants.
4003         * object.cc (Sized_relobj::do_layout): Track sections whose names are
4004         C identifiers.
4005         * testsuite/Makefile.am: Add gc_orphan_section_test.
4006         * testsuite/Makefile.in: Regenerate.
4007         * testsuite/gc_orphan_section_test.cc: New file.
4008         * testsuite/gc_orphan_section_test.sh: New file.
4009
4010 2010-01-06  Ian Lance Taylor  <iant@google.com>
4011
4012         PR 10980
4013         * options.h (class General_options): Add --warn-shared-textrel.
4014         * layout.cc (Layout::finish_dynamic_section): Implement
4015         --warn-shared-textrel.
4016
4017         PR 10980
4018         * options.h (class General_options): Add --warn-multiple-gp.
4019
4020 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4021
4022         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
4023         $(THREADSLIB) and $(LIBDL).
4024         * Makefile.in: Rebuild.
4025
4026 2010-01-06  Ian Lance Taylor  <iant@google.com>
4027
4028         PR 10980
4029         * options.cc (General_options::parse_section_start): New function.
4030         (General_options::section_start): New function.
4031         (General_options::General_options): Initialize all members.
4032         * options.h: Include <map>
4033         (class General_options): Add --section-start.  Add section_starts_
4034         member.
4035         * layout.cc (Layout::attach_allocated_section_to_segment): If
4036         --section-start was used, set the address of the segment.  Remove
4037         local sort_sections.
4038         (Layout::relaxation_loop_body): If the address of the load segment
4039         has been set by --section-start, don't use it.
4040         * output.h (Output_segment::update_flags_for_output_section): New
4041         function.
4042         * output.cc (Output_segment::add_output_section): Call
4043         update_flags_for_output_section.
4044
4045 2010-01-05  Ian Lance Taylor  <iant@google.com>
4046
4047         PR 10980
4048         * options.h (class General_options): Add --undefined-version.
4049         * script.cc (struct Version_expression): Add was_matched_by_symbol
4050         field.
4051         (Version_script_info::matched_symbol): New function.
4052         (Version_script_info::get_symbol_version_helper): Call
4053         matched_symbol.
4054         (Version_script_info::check_unmatched_names): New function.
4055         * script.h (class Version_script_info): Update declarations.
4056         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
4057
4058         * options.h (class General_options): Use DEFINE_bool_alias for
4059         allow_multiple_definition.
4060         * resolve.cc (Symbol_table::should_override): Don't test
4061         allow_multiple_definition.
4062
4063         PR 10980
4064         * options.h (class General_options): Add --cref.
4065         * main.cc (main): Print cref table if --cref.  Don't close mapfile
4066         until after printing cref table.
4067         * cref.cc: Include "symtab.h".
4068         (class Cref_inputs): Define Cref_table_compare and Cref_table.
4069         (Cref_table_compare::operator()): New function.
4070         (Cref_inputs::gather_cref): New function.
4071         (filecol): New static const.
4072         (Cref_inputs::print_cref): New function.
4073         (Cref::print_cref): New function.
4074         * cref.h: Include <cstdio>.
4075         (class Cref): Update declarations.
4076         * mapfile.h (Mapfile::file): New function.
4077         * object.h (class Object): Define Symbols.  Declare virtual
4078         do_get_global_symbols.
4079         (Object::get_global_symbols): New function.
4080         * object.cc (Input_objects::add_object): Pass object to cref_ if
4081         --cref.
4082         (Input_objects::archive_start): Likewise.
4083         (Input_objects::archive_stop): Likewise.
4084         (Input_objects::print_cref): New function.
4085         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
4086         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
4087         --cref.
4088         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
4089         function.
4090         * plugin.h (class Sized_pluginobj): Update declarations.
4091
4092 2010-01-05  Ian Lance Taylor  <iant@google.com>
4093
4094         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
4095         to is_default_version.  Rename insdef to insdefault.
4096         (Symbol_table::add_from_relobj): Rename def to is_default_version
4097         and local to is_forced_local.
4098         (Symbol_table::add_from_pluginobj): Likewise.
4099         (Symbol_table::add_from_dynobj): Likewise.
4100         (Symbol_table::define_special_symbol): Rename insdef to
4101         insdefault.
4102
4103 2010-01-04  Ian Lance Taylor  <iant@google.com>
4104
4105         PR 10980
4106         * options.h (class General_options): Add
4107         --allow-multiple-definition and -z muldefs.
4108         * resolve.cc (Symbol_table::should_override): Don't warn about a
4109         multiple symbol definition if --allow-multiple-definition or -z
4110         muldefs.
4111
4112         PR 10980
4113         * options.h (class General_options): Add --add-needed and
4114         --copy-dt-needed-entries.  Tweak --as-needed help entry.
4115         * object.cc (Input_objects::check_dynamic_dependencies): Give an
4116         error if --copy-dt-needed-entries aka --add-needed is used and
4117         would cause a change in behaviour.
4118
4119         PR 10980
4120         * options.h (class General_options): Add -G as a short version of
4121         --shared.  Add no-op options -assert, -g, and -i.
4122
4123 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
4124
4125         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
4126         check for .text or .gnu.linkonce.t sections.
4127         * icf.cc (Icf::find_identical_sections): Ditto.
4128         Change the detection for mangled function name within the section
4129         name.
4130         * icf.h (is_section_foldable_candidate): New function.
4131
4132 2009-12-30  Ian Lance Taylor  <iant@google.com>
4133
4134         PR 10980
4135         * options.h (class General_options): Permit two dashes with
4136         --retain-symbols-file.
4137
4138 2009-12-30  Ian Lance Taylor  <iant@google.com>
4139
4140         PR 10979
4141         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
4142         don't put the file header and segment headers in the text
4143         segment.
4144
4145         PR 10979
4146         * common.cc (Sort_commons::operator()): Stabilize sort when both
4147         entries are NULL.
4148         (Symbol_table::do_allocate_commons_list): When allocating common
4149         symbols, skip a symbol which is no longer common.
4150         * symtab.h (Symbol::is_common): Test whether the symbol comes from
4151         an object before checking its type.
4152         * testsuite/common_test_2.c: New file.
4153         * testsuite/common_test_3.c: New file.
4154         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
4155         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
4156         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
4157         (common_test_2_pic.o, common_test_2.so): New targets.
4158         (common_test_3_pic.o, common_test_3.so): New targets.
4159         * testsuite/Makefile.in: Rebuild.
4160
4161         PR 10979
4162         * script.cc (read_input_script): If we see a new SECTIONS clause,
4163         and we have added an input section, give an error.
4164         * layout.h (class Layout): Add have_added_input_section function.
4165         Add have_added_input_section_ field.
4166         * layout.cc (Layout::Layout): Initialize
4167         have_added_input_section_.
4168         (Layout::layout): Set have_added_input_section_.
4169         (Layout::layout_eh_frame): Likewise.
4170
4171 2009-12-30  Ian Lance Taylor  <iant@google.com>
4172
4173         PR 10931
4174         * options.h (class General_options): Add --sort-common option.
4175         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
4176         * common.cc (Sort_common): Add sort_order parameter to
4177         constructor.  Add sort_order_ field.
4178         (Sort_commons::operator): Check sort_order_.
4179         (Symbol_table::allocate_commons): Determine the sort order.
4180         (Symbol_table::do_allocate_commons): Add sort_order parameter.
4181         Change all callers.
4182         (Symbol_table::do_allocate_commons_list): Likewise.
4183
4184 2009-12-30  Ian Lance Taylor  <iant@google.com>
4185
4186         PR 10916
4187         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
4188         symbols from this object, don't change the visibility of an
4189         undefined symbol.
4190         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
4191
4192 2009-12-30  Ian Lance Taylor  <iant@google.com>
4193
4194         PR 10861
4195         * script.h (class Version_script_info): Define Language enum.
4196         Update declarations.  Define Glob, Exact, and Lookup types.  Add
4197         new fields globals_, locals_, and is_finalized_.
4198         * script.cc: Various formatting fixes.
4199         (class Parser_closure): Change language_stack_ from a vector of
4200         std::string to one of Version_script_info::Language.  Adjust all
4201         uses accordingly.
4202         (class Lazy_demangler): Remove.
4203         (struct Version_expression): Change language from std::string to
4204         Version_script_info::Language.
4205         (Version_script_info::Version_script_info): New function.
4206         (Version_script_info::~Version_script_info): Don't call clear.
4207         (Version_script_info::finalize): New function.
4208         (Version_script_info::build_lookup_tables): New function.
4209         (Version_script_info::build_expression_list_lookup): New
4210         function.
4211         (Version_script_info::get_symbol_version_helper): Rewrite to use
4212         lookup tables.
4213         (Version_script_info::print_expression_list): Adjust to use
4214         Version_script_info::Language.
4215         (script_push_lex_into_version_mode): Check that the version script
4216         has not been finalized.
4217         (version_script_push_lang): Change language string to
4218         Version_script_info::Language.
4219         * options.cc (Command_line::version_script): New function.
4220         * options.h (class General_options): Add finalize_dynamic_list
4221         function.  Change version_script from declaration to definition.
4222         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
4223         * testsuite/version_script.map: Remove duplicate def of foo.
4224         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
4225         version_script.map.
4226         * testsuite/Makefile.in: Rebuild.
4227
4228 2009-12-30  Ian Lance Taylor  <iant@google.com>
4229
4230         PR 10843
4231         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
4232         if the input symbol index is 0, make the output symbol index 0.
4233
4234 2009-12-30  Ian Lance Taylor  <iant@google.com>
4235
4236         PR 10670
4237         * options.h (class General_options): Add -x/--discard-all.
4238         * object.cc (Sized_relobj::do_count_local_symbols): Handle
4239         --discard-all.  If the local symbol needs a dynamic entry, check
4240         that before handling --discard-locals.
4241
4242 2009-12-30  Ian Lance Taylor  <iant@google.com>
4243
4244         PR 10450
4245         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
4246         flags to PF_R.
4247         (Output_segment::add_output_section): Don't change the flags if
4248         the type is PT_TLS.
4249
4250         PR 10450
4251         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
4252         GNU hash table if they need a dynamic value.  Otherwise, don't add
4253         them if they are defined in a dynamic object or are forced local.
4254
4255 2009-12-29  Ian Lance Taylor  <iant@google.com>
4256
4257         PR 10450
4258         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4259         .gnu.hash table for a 32-bit target.
4260
4261         PR 10450
4262         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4263         regular and a dynamic object only needs a dynamic symbol table
4264         entry if it is externally visible.
4265
4266         PR 10450
4267         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4268         constructor.  Add global_offset_table_ field.
4269         (Target_i386::got_section): Set global_offset_table_.
4270         (Target_i386::do_finalize_sections): Set global_offset_table_
4271         size.
4272         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4273         in constructor.  Add global_offset_table_ field.
4274         (Target_x86_64::got_section): Set global_offset_table_.
4275         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4276         size.
4277
4278         * layout.cc (Layout::Layout): Initialize increase_relro_.
4279         (Layout::get_output_section): Add is_relro, is_last_relro, and
4280         is_first_non_relro parameters.  Change all callers.
4281         (Layout::choose_output_section): Likewise.
4282         (Layout::add_output_section_data): Likewise.
4283         (Layout::make_output_section): Likewise.
4284         (Layout::set_segment_offsets): Clear increase_relro when using a
4285         linker script.
4286         * layout.h (class Layout): Add increase_relro method.  Add
4287         increase_relro_ field.  Update declarations.
4288         * output.cc (Output_section::Output_section): Initialize
4289         is_last_relro_ and is_first_non_relro_.
4290         (Output_segment::add_output_section): Group relro sections is
4291         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4292         (Output_segment::maximum_alignment): Remove relro handling.
4293         (Output_segment::set_section_addresses): Add increase_relro
4294         parameter.  Change all callers.  Add initial alignment to align
4295         relro sections on separate page.  Remove old relro handling.
4296         (Output_segment::set_section_list_addresses): Remove in_relro
4297         parameter.  Change all callers.
4298         (Output_segment::set_offset): Add increase parameter.  Change all
4299         callers.  Remove old relro handling.
4300         * output.h (class Output_section): Add new methods: is_last_relro,
4301         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4302         Add is_last_relro_ and is_first_non_relro_ fields.
4303         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4304         Create separate .got.plt section.  Call increase_relro.
4305         * x86_64.cc (Target_x86_64::got_section): Likewise.
4306         * testsuite/relro_script_test.t: Add .got.plt.
4307
4308         PR 10450
4309         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4310         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4311         (Layout::finalize): Call set_dynamic_symbol_size.
4312         (Layout::set_dynamic_symbol_size): New function.
4313         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4314         set_dynamic_symbol_size.
4315
4316         PR 10450
4317         * output.h (class Output_section): Add is_entsize_zero_ field.
4318         * output.cc (Output_section::Output_section): Initialize
4319         is_entsize_zero_.
4320         (Output_section::set_entsize): If two different entsizes are
4321         requested, force it to zero.
4322         (Output_section::add_input_section): Set flags for .debug_str
4323         before updating section flags.  Set entsize.
4324         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4325         and SHF_STRING if all input sections have those flags.
4326
4327 2009-12-29   Rafael Espindola  <espindola@google.com>
4328
4329         * main.cc (main): Fix the sys time reporting.
4330         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4331         reporting.
4332
4333 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4334
4335         * options.cc (General_options::parse_version): Allow -v to exit
4336         without an error if there is nothing to link.
4337
4338 2009-12-29  Ian Lance Taylor  <iant@google.com>
4339
4340         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4341         using a version of gcc before 4.1.
4342         * configure: Rebuild.
4343
4344 2009-12-28  Chris Demetriou  <cgd@google.com>
4345
4346         * attributes.cc (Output_attributes_section_data::do_write): Use
4347         std::vector::front rather than std::vector::data.
4348
4349 2009-12-28  Ian Lance Taylor  <iant@google.com>
4350
4351         * symtab.h (class Symbol_table): Add enum Defined.
4352         * resolve.cc (Symbol_table::should_override): Add defined
4353         parameter.  Change all callers.  Test whether object is NULL
4354         before calling a method on it.
4355         (Symbol_table::report_resolve_problem): Add defined parameter.
4356         Change all callers.
4357         (Symbol_table::should_override_with_special): Likewise.
4358         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4359         parameter.  Change all callers.
4360         (Symbol_table::do_define_in_output_data): Likewise.
4361         (Symbol_table::define_in_output_segment): Likewise.
4362         (Symbol_table::do_define_in_output_segment): Likewise.
4363         (Symbol_table::define_as_constant): Likewise.
4364         (Symbol_table::do_define_as_constant): Likewise.
4365         * script.h (class Symbol_assignment): Add is_defsym parameter to
4366         constructor; change all callers.
4367         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4368         parameter.  Change all callers.  Add is_defsym_ field.
4369         (class Parser_closure): Add parsing_defsym parameter to
4370         constructor; change all callers.  Add parsing_defsym accessor
4371         function.  Add parsing_defsym_ field.
4372
4373 2009-12-28  Ian Lance Taylor  <iant@google.com>
4374
4375         * gold.cc (queue_middle_tasks): Fix formatting.
4376         * object.cc (Relobj::is_section_name_included): Likewise.
4377
4378 2009-12-23  Ian Lance Taylor  <iant@google.com>
4379
4380         * i386.cc (Target_i386::do_calls_non_split): Recognize
4381         -fsplit-stack prologue for a function with a static chain.
4382         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4383         -fsplit-stack prologue when using %r11.
4384
4385 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4386
4387         * options.cc (General_options::parse_version): Make -v continue and do
4388         the link like GNU ld does.
4389
4390 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4391
4392         * Makefile.am (CCFILES): Add timer.cc.
4393         (HFILES): Add timer.h.
4394         * configure.ac: Check for sysconf and times.
4395         * main.cc: include timer.h.
4396         (main): Use Timer instead of get_run_time.
4397         * timer.cc: New.
4398         * timer.h: New.
4399         * workqueue.cc: include timer.h.
4400         (Workqueue::find_and_run_task):
4401         Report user, sys and wall time.
4402         * Makefile.in: Regenerate.
4403         * config.in: Regenerate.
4404         * configure: Regenerate.
4405
4406 2009-12-16  Doug Kwan  <dougkwan@google.com>
4407
4408         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4409         sections.
4410         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4411         relaxed input sections.
4412         * output.cc (Output_section::find_relaxed_input_section): Change
4413         return type to Output_relaxed_input_section pointer.  Adjust code
4414         for new type of relaxed_input_section_map_.
4415         * output.h (Output_section::find_relaxed_input_section): Change
4416         return type to Output_relaxed_input_section pointer.
4417         (Output_section::Output_relaxed_input_section_by_input_section_map):
4418         New type.
4419         (Output_section::relaxed_input_section_map_): Change type to
4420         Output_section::Output_relaxed_input_section_by_input_section_map.
4421         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4422         input section.
4423
4424 2009-12-15  Ian Lance Taylor  <iant@google.com>
4425
4426         * layout.cc (Layout::create_shstrtab): Only write out after input
4427         sections if we are compressing debug sections.
4428
4429 2009-12-15  Ian Lance Taylor  <iant@google.com>
4430
4431         * archive.cc (Archive::add_symbols): Only look up a symbol without
4432         a version if there is, in fact, a version.
4433
4434 2009-12-14  Ian Lance Taylor  <iant@google.com>
4435
4436         Revert -Wshadow changes, all changes from:
4437         2009-12-11  Doug Kwan  <dougkwan@google.com>
4438         2009-12-11  Nick Clifton  <nickc@redhat.com>
4439         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4440
4441 2009-12-11  Doug Kwan  <dougkwan@google.com>
4442
4443         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4444         due to -Wshadow.
4445         * attributes.cc (Object_attribute::size): Ditto.
4446         (Attributes_section_data::size): Ditto.
4447         (Attributes_section_data::Attributes_section_data): Ditto.
4448         (Output_attributes_section_data::do_write): Ditto.
4449         * attributes.h (Object_attribute::set_type): Ditto.
4450         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4451
4452 2009-12-11  Nick Clifton  <nickc@redhat.com>
4453
4454         * archive.cc: Fix shadowed variable warnings.
4455         * arm.cc: Likewise.
4456         * compressed_output.cc: Likewise.
4457         * compressed_output.h: Likewise.
4458         * configure: Likewise.
4459         * dwarf_reader.cc: Likewise.
4460         * dynobj.cc: Likewise.
4461         * dynobj.h: Likewise.
4462         * ehframe.cc: Likewise.
4463         * ehframe.h: Likewise.
4464         * errors.cc: Likewise.
4465         * expression.cc: Likewise.
4466         * fileread.cc: Likewise.
4467         * fileread.h: Likewise.
4468         * freebsd.h: Likewise.
4469         * i386.cc: Likewise.
4470         * icf.cc: Likewise.
4471         * incremental.h: Likewise.
4472         * layout.cc: Likewise.
4473         * layout.h: Likewise.
4474         * mapfile.cc: Likewise.
4475         * merge.cc: Likewise.
4476         * merge.h: Likewise.
4477         * object.cc: Likewise.
4478         * object.h: Likewise.
4479         * options.h: Likewise.
4480         * output.cc: Likewise.
4481         * output.h: Likewise.
4482         * parameters.cc: Likewise.
4483         * plugin.cc: Likewise.
4484         * powerpc.cc: Likewise.
4485         * reduced_debug_output.cc: Likewise.
4486         * reduced_debug_output.h: Likewise.
4487         * reloc.cc: Likewise.
4488         * reloc.h: Likewise.
4489         * resolve.cc: Likewise.
4490         * script-sections.cc: Likewise.
4491         * script.cc: Likewise.
4492         * script.h: Likewise.
4493         * sparc.cc: Likewise.
4494         * symtab.cc: Likewise.
4495         * symtab.h: Likewise.
4496         * target-select.cc: Likewise.
4497         * target-select.h: Likewise.
4498         * token.h: Likewise.
4499         * workqueue.cc: Likewise.
4500         * workqueue.h: Likewise.
4501         * x86_64.cc: Likewise.
4502
4503 2009-12-10  Doug Kwan  <dougkwan@google.com>
4504
4505         * arm.cc (attributes.h): New include.
4506         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4507         (Arm_relobj::~Arm_relobj): Delete object pointed by
4508         attributes_section_data_.
4509         (Arm_relobj::attributes_section_data): New method definition.
4510         (Arm_relobj::attributes_section_data_): New data member declaration.
4511         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4512         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4513         attributes_section_data_.
4514         (Arm_dynobj::attributes_section_data): New method definition.
4515         (Arm_dynobj::attributes_section_data_): New data member declaration.
4516         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4517         initialization value of may_use_blx_ to false.
4518         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4519         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4520         object attributes to compute results instead of hard-coding.
4521         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4522         Target_arm::get_secondary_compatible_arch,
4523         Target_arm::set_secondary_compatible_arch
4524         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4525         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4526         New method declarations.
4527         (Target_arm::get_aeabi_object_attribute): New method definition.
4528         (Target_arm::attributes_section_data_): New data member declaration.
4529         (read_arm_attributes_section): New template definition.
4530         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4531         (Arm_dynobj::do_read_symbols): Ditto.
4532         (Target_arm::do_finalize_sections): Merge attributes sections from
4533         input.  Check for BLX use after attributes section merging.
4534         Fix __exidx_start and __exidx_end visibility.  Create an
4535         .ARM.attributes section if necessary.
4536         (Target_arm::get_secondary_compatible_arch,
4537         Target_arm::set_secondary_compatible_arch,
4538         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4539         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4540         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4541         New method definitions.
4542
4543 2009-12-09  Ian Lance Taylor  <iant@google.com>
4544
4545         * plugin.cc (Plugin::load): Don't cast from void* to a function
4546         pointer.
4547
4548 2009-12-09  Ian Lance Taylor  <iant@google.com>
4549
4550         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4551         information fields.
4552
4553 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4554
4555         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4556         Replace two_file_shared_1.so with two_file_shared_2.so.
4557         * testsuite/Makefile.in: Regenerated.
4558
4559 2009-12-08  Doug Kwan  <dougkwan@google.com>
4560
4561         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4562         (HFILES): Add attributes.h and int_encoding.h.
4563         * Makefile.in: Regenerate.
4564         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4565         function definitions to int_encoding.cc
4566         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4567         prototypes to int_encoding.h
4568         * reduced_debug_output.cc (int_encoding.h): New include.
4569         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4570         function definitions to int_encoding.cc
4571         (insert_into_vector, read_from_pointer): Move template definitions to
4572         int_encoding.h
4573         * attributes.cc: New file.
4574         * attributes.h: New file.
4575         * int_encoding.cc: New file.
4576         * int_encoding.h: New file.
4577
4578 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4579
4580         PR gold/11055
4581         * incremental-dump.cc (dump_incremental_inputs): New.
4582         (main): Use dump_incremental_inputs.
4583
4584 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4585
4586         PR gold/10893
4587         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4588         checking elfcpp::STT_FUNC.
4589         (Target_i386::Relocate::relocate): Likewise.
4590         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4591
4592         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4593         symbols from shared libraries into normal FUNC symbols.
4594
4595         * symtab.h (Symbol): Add is_func and use it.
4596
4597 2009-12-05  Doug Kwan  <dougkwan@google.com>
4598
4599         * arm.cc (Target_arm::arm_info): Initialize new fields
4600         attributes_section and attributes_vendor.
4601         * i386.cc (Target_i386::i386_info): Same.
4602         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4603         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4604         fields attributes_section and attributes_vendor.
4605         * sparc.cc (Target_sparc::sparc_info): Same.
4606         * target.h (Target::attributes_section, Target::attributes_vendor,
4607         Target::is_attributes_section, Target::attribute_arg_type,
4608         Target::attributes_order): New method definitions.
4609         (Target::Target_info::attributes_section,
4610         Target::Target_info::attributes_vendor): New fields.
4611         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4612         virtual method definitions.
4613         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4614         attributes_section and attributes_vendor.
4615         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4616
4617 2009-12-05  Doug Kwan  <dougkwan@google.com>
4618
4619         * arm.cc: Update comments about interworking and stub generation.
4620         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4621         considered as non-PIC.
4622         (Arm_relocate_functions::base_abs): Fix formatting.
4623         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4624         of function to use GOT entry address instead of offset.
4625         (Target_arm::Scan::global): Issue an error if a symbol would need a
4626         PLT does not get one because it is untyped.  Remove code to create
4627         dynamic symbols for relative branches.
4628         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4629         takes unsigned integer instead of boolean.
4630
4631 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4632
4633         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4634         (two_file_test_LDADD): Likewise.
4635         (common_test_1_LDADD): Likewise.
4636         (exception_test_LDADD) Likewise.
4637         (weak_test_LDADD): Likewise.
4638         (many_sections_test_LDADD): Likewise.
4639         (initpri1_LDADD): Likewise.
4640         (script_test_1_LDADD): Likewise.
4641         (script_test_2_LDADD): Likewise.
4642         (justsyms_LDADD): Likewise.
4643         (binary_test_LDADD): Likewise.
4644         (large_LDADD): Likewise.
4645         * testsuite/Makefile.in: Regenerated.
4646
4647 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4648
4649         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4650         (Symbol_table::override_with_special): Likewise.
4651         (Symbol_table::add_from_object): Likewise.
4652
4653 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4654
4655         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4656         Don't set the data_offset twice.
4657
4658 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4659
4660         * testsuite/Makefile.in: Regenerate.
4661
4662 2009-12-03  Doug Kwan  <dougkwan@google.com>
4663
4664         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4665         (Target_arm::do_finalize_sections): Add parameter for symbol table
4666         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4667         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4668         parameter for symbol table pointer.
4669         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4670         an additional parameter for a pointer to symbol table.
4671         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4672         parameter for a symbol table pointer.
4673         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4674         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4675         Ditto.
4676         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4677         parameter for a symbol table pointer.
4678
4679 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4680
4681         * incremental.cc (Incremental_inputs_header)
4682         (Incremental_inputs_header_write, Incremental_inputs_entry)
4683         (Incremental_inputs_entry_write): Move ...
4684         * incremental.h (Incremental_inputs_header)
4685         (Incremental_inputs_header_write, Incremental_inputs_entry)
4686         (Incremental_inputs_entry_write): here.
4687
4688 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4689
4690         * incremental.cc (make_sized_incremental_binary): Set the target.
4691         Error if it is incompatible.
4692         * output.h (Output_file): Add filename method.
4693
4694 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4695
4696         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4697         from the get_* methods.
4698
4699 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4700
4701         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4702         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4703         Write 0 for the data_offset of scripts.
4704
4705 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4706
4707         * testsuite/Makefile.am: Add the incremental_test.sh test.
4708         * testsuite/incremental_test.sh: New.
4709         * testsuite/incremental_test_1.c: New.
4710         * testsuite/incremental_test_2.c: New.
4711
4712 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4713
4714        * incremental-dump.cc (main): Fix typos.
4715
4716 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4717
4718         PR gold/11025
4719         * incremental-dump.cc (main): Use llu to print 64 bit values.
4720
4721 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
4722             H.J. Lu  <hongjiu.lu@intel.com>
4723
4724         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4725         $(LIBDL).
4726         (incremental_dump_LDADD): Likewise.
4727         * Makefile.in: Regenerated.
4728
4729 2009-11-25  Doug Kwan  <dougkwan@google.com>
4730
4731         Revert:
4732
4733         2009-11-25  Doug Kwan  <dougkwan@google.com>
4734
4735                 * arm.cc (Target_arm::Target_arm): Move method definition
4736                 outside of class definition.  Add code to handle
4737                 --target1-rel, --target1-abs and --target2= options.
4738                 (Target_arm::get_reloc_reloc_type): Change method to be
4739                 non-static and const.
4740                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4741                 New data member declaration.
4742                 (Target_arm::Scan::local, Target_arm::Scan::global,
4743                 Target_arm::Relocate::relocate,
4744                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4745                 Adjust call to Target_arm::get_real_reloc_type.
4746                 (Target_arm::get_real_reloc_type): Use command line options
4747                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4748                 * options.h (--target1-rel, --target1-abs, --target2): New
4749                 ARM-only options.
4750
4751 2009-11-25  Doug Kwan  <dougkwan@google.com>
4752
4753         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4754         class definition.  Add code to handle --target1-rel, --target1-abs
4755         and --target2= options.
4756         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4757         and const.
4758         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4759         member declaration.
4760         (Target_arm::Scan::local, Target_arm::Scan::global,
4761         Target_arm::Relocate::relocate,
4762         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4763         call to Target_arm::get_real_reloc_type.
4764         (Target_arm::get_real_reloc_type): Use command line options to
4765         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4766         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4767         options.
4768
4769 2009-11-25  Doug Kwan  <dougkwan@google.com>
4770
4771         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4772         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4773         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4774         formatting.
4775         (Arm_relocate_functions::thm_call): Replace body with a call to
4776         Arm_relocate_functions::thumb_branch_common.
4777         (Arm_relocate_functions::thm_jump24,
4778         Arm_relocate_functions::thm_xpc22): New method definitions.
4779         (Arm_relocate_functions::thumb_branch_common): New method definition.
4780         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4781         operator.
4782         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4783         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4784
4785 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4786
4787         * Makefile.am: Build incremental-dump
4788         * Makefile.in: Regenerate.
4789         * incremental-dump.cc: New.
4790         * incremental.cc (Incremental_inputs_header_data,
4791         Incremental_inputs_entry_data): Move to incremental.h
4792         * incremental.h: (Incremental_inputs_header_data,
4793         Incremental_inputs_entry_data): Move from incremental.cc
4794
4795 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4796
4797         * incremental.cc (Incremental_inputs_header,
4798         Incremental_inputs_header_write, Incremental_inputs_entry,
4799         Incremental_inputs_entry_write): Add a typedef with the data type.
4800
4801 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4802
4803         * incremental.cc (Incremental_inputs_header,
4804         Incremental_inputs_header_write, Incremental_inputs_entry,
4805         Incremental_inputs_entry_write): Update comment about which
4806         type has the filed descriptions.
4807
4808 2009-11-15  Doug Kwan  <dougkwan@google.com>
4809
4810         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4811         (Arm_relocate_functions::arm_branch_common): Change method defintion
4812         in class definition to a method declaration and update list of formal
4813         parameters.
4814         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4815         Arm_relocation_functions::jump24): Adjust call to
4816         Arm_relocate_functions::arm_branch_common.  Update list of formal
4817         parameters.
4818         (Arm_relocate_functions::xpc25): New method definition.
4819         (Arm_relocate_functions::arm_branch_common): Move method defintion
4820         out from class definition.  Use stubs for mode-switching and extending
4821         branch ranges.
4822         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4823         specially.  Change code to enable use of stubs in ARM branches.
4824
4825 2009-11-10  Doug Kwan  <dougkwan@google.com>
4826
4827         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4828         in method declaration.
4829         (Target_arm::relocate_stub): New method declaration.
4830         (Target_arm::default_target): Change to return a pointer instead of
4831         a const reference.
4832         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4833         Target_arm::default_target.
4834         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4835         method definition.
4836         (Target_arm::relocate_section): Adjust view.
4837         (Target_arm::relocate_stub): New method definition.
4838
4839 2009-11-10  Doug Kwan  <dougkwan@google.com>
4840
4841         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4842         a format warning.
4843         * incremental.cc (open_incremental_binary): Initialized local
4844         variables to avoid warnings.
4845         * object.cc (make_elf_object): Ditto.
4846         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4847         a format warning.
4848
4849 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4850
4851         PR gold/10930
4852         * testsuite/plugin_test.c: Include "config.h".
4853
4854 2009-11-09  Doug Kwan  <dougkwan@google.com>
4855
4856         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4857         (arm_symbol_value): Remove.
4858         (Arm_relocate_functions::arm_branch_common,
4859         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4860         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4861         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4862         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4863         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4864         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4865         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4866         Arm_relocate_functions::thm_mobw_abs_nc,
4867         Arm_relocate_functions::thm_mov_abs,
4868         Arm_relocate_functions::movw_prel_nc,
4869         Arm_relocate_functions::thm_movt_abs,
4870         Arm_relocate_functions::movt_prel,
4871         Arm_relocate_functions::thm_movw_prel_nc,
4872         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4873         (Target_arm::Relocate::relocate): Only decompose address into two
4874         parts if relocation type uses the thumb-bit and pass the actual
4875         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4876         calls to methods in Arm_relocate_functions for this change.
4877
4878 2009-11-08  Ian Lance Taylor  <iant@google.com>
4879
4880         PR 10925
4881         * reloc.cc: Instantiate
4882         Sized_relobj::initialize_input_to_output_maps and
4883         Sized_relobj:free_input_to_output_maps.
4884
4885 2009-11-06  Ian Lance Taylor  <iant@google.com>
4886
4887         PR 10876
4888         * defstd.cc (in_segment): Set only_if_ref true for "end".
4889
4890 2009-11-06  Doug Kwan  <dougkwan@google.com>
4891
4892         * arm.cc (class Reloc_stub): Correct a comment.
4893         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4894         (Target_arm::scan_section_for_stubs): New method declaration.
4895         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4896         Change methods from private to protected.
4897         (Target_arm::do_may_relax): New method definition.
4898         (Target_arm::do_relax, Target_arm::group_sections,
4899         Target_arm::scan_reloc_for_stub,
4900         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4901         (Target_arm::arm_input_section_map_): New data member declaration.
4902         (Target_arm::scan_reloc_for_stub,
4903         Target_arm::scan_reloc_section_for_stubs,
4904         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4905         Target_arm::do_relax): New method definitions.
4906
4907 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4908
4909         * configure.ac: Check for (struct stat)::st_mtim
4910         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4911         * config.in: Regenerate.
4912         * configure: Regenerate.
4913
4914 2009-11-05  Ian Lance Taylor  <iant@google.com>
4915
4916         PR 10910
4917         * output.cc (Output_segment::add_output_section): Add missing
4918         return statement.
4919
4920 2009-11-04  Ian Lance Taylor  <iant@google.com>
4921
4922         PR 10880
4923         * object.h (class Object): Add is_needed and set_is_needed
4924         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4925         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4926         defined in a dynamic object and referenced by a regular object,
4927         set is_needed for the dynamic object.
4928         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4929         if the file is marked with as_needed and it is not needed.
4930
4931 2009-11-04  Ian Lance Taylor  <iant@google.com>
4932
4933         PR 10887
4934         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4935         tags if data is discarded by linker script.
4936         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4937         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4938         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4939         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4940
4941 2009-11-04  Ian Lance Taylor  <iant@google.com>
4942
4943         * layout.cc (Layout::get_output_section): Add is_interp and
4944         is_dynamic_linker_section parameters.  Change all callers.
4945         (Layout::choose_output_section): Likewise.
4946         (Layout::make_output_section): Likewise.
4947         (Layout::add_output_section_data): Add is_dynamic_linker_section
4948         parameter.  Change all callers.
4949         * layout.h (class Layout): Update declarations.
4950         * output.h (class Output_section): Add is_interp, set_is_interp,
4951         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4952         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4953         generate_code_fills_at_write_ to a bitfield.
4954         * output.cc (Output_section::Output_sections): Initialize new
4955         fields.
4956         (Output_segment::add_output_section): Add do_sort parameter.
4957         Change all callers.
4958
4959 2009-11-03  Ian Lance Taylor  <iant@google.com>
4960
4961         PR 10860
4962         * options.h (class General_options): Add --warn-common.
4963         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4964         merging two common symbols.
4965         (Symbol_table::should_override): Handle --warn-common when merging
4966         a common symbol with a defined symbol.  Use report_resolve_problem
4967         for multiple definitions.
4968         (Symbol_table::report_resolve_problem): New function.
4969         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4970
4971 2009-11-03  Doug Kwan  <dougkwan@google.com>
4972
4973         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4974         stub_factory_.
4975         (Target_arm::stub_factory): New method definition.
4976         (Target_arm::new_arm_input_section,
4977         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4978         Target_arm::reloc_uses_thumb_bit): New method declarations.
4979         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4980         New type definitions.
4981         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4982         member declarations.
4983         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4984         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4985         New method definitions.
4986
4987 2009-11-03  Ian Lance Taylor  <iant@google.com>
4988
4989         * options.h (class General_options): Add --warn_constructors.
4990
4991 2009-11-03  Ian Lance Taylor  <iant@google.com>
4992
4993         PR 10893
4994         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4995         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4996
4997 2009-11-03  Ian Lance Taylor  <iant@google.com>
4998
4999         PR 10895
5000         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
5001         --msgid-bugs-address.
5002         (install-pdf): New target.
5003         (install-data_yes): Look up one directory to find mkinstalldirs.
5004
5005 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
5006
5007         * po/Make-in (.po.gmo): Don't generate .gmo files in source
5008         tree.
5009
5010 2009-10-30  Doug Kwan  <dougkwan@google.com>
5011
5012         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
5013
5014 2009-10-30  Doug Kwan  <dougkwan@google.com>
5015
5016         * arm.cc (Stub_addend_reader): New struct template definition
5017         and partial specializations.
5018         (Stub_addend_reader::operator()): New method definition for a
5019         partially specialized template.
5020
5021 2009-10-30  Doug Kwan  <dougkwan@google.com>
5022
5023         * arm.cc (Arm_relobj::processor_specific_flags): New method
5024         definition.
5025         (Arm_relobj::do_read_symbols): New method declaration.
5026         (Arm_relobj::processor_specific_flags_): New data member declaration.
5027         (Arm_dynobj): New class definition.
5028         (Target_arm::do_finalize_sections): Add input_objects parameter.
5029         (Target_arm::do_adjust_elf_header): New method declaration.
5030         (Target_arm::are_eabi_versions_compatible,
5031         (Target_arm::merge_processor_specific_flags): New method declaration.
5032         (Target_arm::do_make_elf_object): New overloaded method definitions
5033         and declaration.
5034         (Arm_relobj::do_read_symbols): New method definition.
5035         (Arm_dynobj::do_read_symbols): Ditto.
5036         (Target_arm::do_finalize_sections): Add input_objects parameters.
5037         Merge processor-specific flags from all input objects.
5038         (Target_arm::are_eabi_versions_compatible,
5039         Target_arm::merge_processor_specific_flags,
5040         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
5041         New method definitions.
5042         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
5043         Input_objects pointer type parameter.
5044         * layout.cc (Layout::finalize): Pass input objects to target's.
5045         finalize_sections function.
5046         * output.cc (Output_file_header::do_sized_write): Set ELF file
5047         header's processor-specific flags.
5048         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
5049         Input_objects pointer type parameter.
5050         * sparc.cc (Target_sparc::do_finalize_sections): Same.
5051         * target.h (Input_objects): New forward class declaration.
5052         (Target::processor_specific_flags,
5053         Target::are_processor_specific_flags_sect): New method definitions.
5054         (Target::finalize_sections): Add input_objects parameter.
5055         (Target::Target): Initialize processor_specific_flags_ and
5056         are_processor_specific_flags_set_.
5057         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
5058         parameter.
5059         (Target::set_processor_specific_flags): New method definition.
5060         (Target::processor_specific_flags_,
5061         Target::are_processor_specific_flags_set_): New data member
5062         declarations.
5063         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
5064         Input_objects pointer type parameter.
5065
5066 2009-10-30  Doug Kwan  <dougkwan@google.com>
5067
5068         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
5069
5070 2009-10-28  Ian Lance Taylor  <iant@google.com>
5071
5072         * object.h (class Relobj): Drop options parameter from
5073         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
5074         do_scan_relocs, do_relocate.  Change all callers.
5075         (class Sized_relobj): Drop options parameters from
5076         do_gc_process_relocs, do_scan_relocs, do_relocate,
5077         do_relocate_sections, relocate_sections, emit_relocs_scan,
5078         emit_relocs_scan_reltype.  Change all callers.
5079         (struct Relocate_info): Remove options field and all references to
5080         it.
5081         * reloc.h (class Read_relocs): Remove options constructor
5082         parameter and options_ field.  Change all callers.
5083         (class Gc_process_relocs, class Scan_relocs): Likewise.
5084         (class Relocate_task): Likewise.
5085         * target-reloc.h (scan_relocs): Remove options parameter.  Change
5086         all callers.
5087         (scan_relocatable_relocs): Likewise.
5088         * target.h (class Sized_target): Remove options parameter from
5089         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
5090         all callers.
5091         * gc.h (gc_process_relocs): Remove options parameter.  Change all
5092         callers.
5093         * arm.cc: Update functions to remove options parameters.
5094         * i386.cc: Likewise.
5095         * powerpc.cc: Likewise.
5096         * sparc.cc: Likewise.
5097         * x86_64.cc: Likewise.
5098         * testsuite/testfile.cc: Likewise.
5099
5100 2009-10-28  Doug Kwan  <dougkwan@google.com>
5101
5102         * arm.cc (Arm_relobj): New class definition.
5103         (Arm_relobj::scan_sections_for_stubs,
5104         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
5105         New method definitions.
5106
5107 2009-10-28  Cary Coutant  <ccoutant@google.com>
5108
5109         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
5110         (Plugin::cleanup_done_): New member.
5111         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
5112         (Plugin_manager::cleanup_done_): Remove.
5113         (Plugin_manager::add_input_file): Edit error message.
5114         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
5115         (Plugin_manager::cleanup): Remove use of cleanup_done_.
5116
5117 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
5118
5119         * fileread.cc: (File_read::View::~View): Use the new
5120         data_ownership_ filed.
5121         (File_read::~File_read): Dispose the new whole_file_view_.
5122         (File_read::open): Mmap the whole file if needed.
5123         (File_read::open): Use whole_file_view_ instead of contents_.
5124         (File_read::find_view): Use whole_file_view_ if applicable.
5125         (File_read::do_read): Use whole_file_view_ instead of contents_.
5126         (File_read::make_view): Use whole_file_view_ instead of contents_,
5127         update File_read::View::View call.
5128         (File_read::find_or_make_view): Update File_read::View::View
5129         call.
5130         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
5131         remove contents_
5132         (File_read::View::Data_ownership): New enum.
5133         (File_read::View::View): Replace bool mapped_ with Data_ownership
5134         argument.
5135         (File_read::View::mapped_): Remove (replaced by data_ownership_).
5136         (File_read::View::data_ownership_): New field.
5137         (File_read::contents_): Remove (replaced by whole_file_view_).
5138         (File_read::whole_file_view_): New field.
5139         * options.h (class General_options): Add --keep-files-mapped.
5140
5141 2009-10-27  Cary Coutant  <ccoutant@google.com>
5142
5143         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
5144         * testsuite/Makefile.am (plugin_test_5): New test case.
5145         * testsuite/Makefile.in: Regenerate.
5146
5147 2009-10-25  Doug Kwan  <dougkwan@google.com>
5148
5149         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
5150         from private to protected to allow access by child class.
5151         (Sized_relobj::do_relocate_sections): New method declaration.
5152         (Sized_relobj::relocate_sections): Virtualize.
5153         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
5154         Sized_relobj::relocate_sections.  Instantiate template explicitly
5155         for different target sizes and endianity.
5156
5157 2009-10-24  Doug Kwan  <dougkwan@google.com>
5158
5159         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
5160         (Arm_input_section::as_arm_input_section): New method.
5161         (Arm_output_section): New class definition.
5162         (Arm_output_section::create_stub_group,
5163         Arm_output_section::group_sections): New method definitions.
5164
5165 2009-10-22  Doug Kwan  <dougkwan@google.com>
5166
5167         * arm.cc (Arm_input_section): New class definition.
5168         (Arm_input_section::init, Arm_input_section:do_write,
5169         Arm_input_section::set_final_data_size,
5170         Arm_input_section::do_reset_address_and_file_offset): New method
5171         definitions.
5172
5173 2009-10-21  Doug Kwan  <dougkwan@google.com>
5174
5175         * arm.cc (Stub_table, Arm_input_section): New forward class
5176         declarations.
5177         (Stub_table): New class defintion.
5178         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
5179         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
5180         New method definition.
5181
5182 2009-10-21  Doug Kwan  <dougkwan@google.com>
5183
5184         * arm.cc: Update copyright comments.
5185         (Target_arm): New forward class template declaration.
5186         (Arm_address): New type.
5187         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
5188         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
5189         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
5190         constants.
5191         (Insn_template): Same.
5192         (DEF_STUBS): New macro.
5193         (Stub_type): New enum type.
5194         (Stub_template): New class definition.
5195         (Stub): Same.
5196         (Reloc_stub): Same.
5197         (Stub_factory): Same.
5198         (Target_arm::Target_arm): Initialize may_use_blx_ and
5199         should_force_pic_veneer_.
5200         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
5201         Target_arm::should_force_pic_veneer,
5202         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
5203         Target_arm::using_thumb_only, Target_arm:;default_target): New
5204         method defintions.
5205         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
5206         New data member declarations.
5207         (Insn_template::size, Insn_template::alignment): New method defintions.
5208         (Stub_template::Stub_template): New method definition.
5209         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
5210         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
5211         (Stub_factory::Stub_factory): New method definition.
5212         * gold.h (string_hash): New template.
5213         * output.h (Input_section_specifier::hash_value): Use
5214         gold::string_hash.
5215         (Input_section_specifier::string_hash): Remove.
5216         * stringpool.cc (Stringpool_template::string_hash): Use
5217         gold::string_hash.
5218
5219 2009-10-20  Doug Kwan  <dougkwan@google.com>
5220
5221         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
5222         symbols of relaxed input sections.
5223         * output.h (Output_section::find_relaxed_input_section): Make
5224         method public.
5225
5226 2009-10-16  Doug Kwan  <dougkwan@google.com>
5227
5228         * dynobj.cc (Versions::Versions): Initialize version_script_.
5229         Only insert base version symbol definition for a shared object
5230         if version script defines any version versions.
5231         (Versions::define_base_version): New method definition.
5232         (Versions::add_def): Check that base version is not needed.
5233         (Versions::add_need): Define base version lazily.
5234         * dynobj.h (Versions::define_base_version): New method declaration.
5235         (Versions::needs_base_version_): New data member declaration.
5236         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
5237         (check_DATA): Add no_version_test.stdout.
5238         (libno_version_test.so, no_version_test.o no_version_test.stdout):
5239         New make rules.
5240         * testsuite/Makefile.in: Regenerate.
5241         * testsuite/no_version_test.c: New file.
5242         * testsuite/no_version_test.sh: Ditto.
5243
5244 2009-10-16  Doug Kwan  <dougkwan@google.com>
5245
5246         * expression.cc (class Segment_start_expression): New class definition.
5247         (Segment_start_expression::value): New method definition.
5248         (script_exp_function_segment_start): Return a new
5249         Segment_start_expression.
5250         * gold/script-c.h (script_saw_segment_start_expression): New function
5251         prototype.
5252         * script-sections.cc (Script_sections::Script_sections): Initialize
5253         SAW_SEGMENT_START_EXPRESSION_ to false.
5254         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
5255         and -Tbbs options to specify section addresses if given in
5256         command line and no SEGMENT_START expression is seen in a script.
5257         * script-sections.h (Script_sections::saw_segment_start_expression,
5258         Script_sections::set_saw_segment_start_expression): New method
5259         definition.
5260         (Script_sections::saw_segment_start_expression_): New data member
5261         declaration.
5262         * script.cc (script_saw_segment_start_expression): New function.
5263         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5264         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5265         script_test_7.sh and script_test_8.sh.
5266         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5267         script_test_8.stdout.
5268         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5269         (script_test_6, script_test_6.stdout, script_test_7,
5270         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5271         * Makefile.in: Regenerate.
5272         * testsuite/script_test_6.sh: New file.
5273         * testsuite/script_test_6.t: Same.
5274         * testsuite/script_test_7.sh: Same.
5275         * testsuite/script_test_7.t: Same.
5276         * testsuite/script_test_8.sh: Same.
5277
5278 2009-10-16  Doug Kwan  <dougkwan@google.com>
5279
5280         * output.cc (Output_segment::set_section_list_address): Cast
5281         expressions to unsigned long long type to avoid format warnings.
5282
5283 2009-10-15  Ian Lance Taylor  <iant@google.com>
5284
5285         * script.cc (Script_options::add_symbol_assignment): Always add a
5286         dot assignment to script_sections_.
5287         * script-sections.cc (Script_sections::add_dot_assignment):
5288         Initialize if necessary.
5289
5290         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5291         program headers with no load segment if there is a linker script.
5292
5293         * layout.cc (Layout::set_segment_offsets): Align the file offset
5294         to the segment aligment for -N or -n with no load segment.
5295         * output.cc (Output_segment::add_output_section): Don't crash if
5296         the first section is a TLS section.
5297         (Output_segment::set_section_list_addresses): Print an error
5298         message if the address moves backward in a linker script.
5299         * script-sections.cc
5300         (Output_section_element_input::set_section_addresses): Don't
5301         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5302         (Orphan_output_section::set_section_addresses): Likewise.
5303
5304 2009-10-15  Doug Kwan  <dougkwan@google.com>
5305
5306         * layout.cc (Layout::finish_dynamic_section): Generate tags
5307         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5308         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5309         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5310
5311 2009-10-14  Ian Lance Taylor  <iant@google.com>
5312
5313         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5314         fields.
5315         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5316         data_shdr fields of relinfo.
5317         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5318         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5319         R_386_TLS_LDO_32, adjust based on section flags.
5320         (Target_i386::Relocate::fix_up_ldo): Remove.
5321
5322 2009-10-13  Ian Lance Taylor  <iant@google.com>
5323
5324         Add support for -pie.
5325         * options.h (class General_options): Add -pie and
5326         --pic-executable.
5327         (General_options::output_is_position_independent): Test -pie.
5328         (General_options::output_is_executable): Return true if not shared
5329         and not relocatable.
5330         (General_options::output_is_pie): Remove.
5331         * options.cc (General_options::finalize): Reject incompatible uses
5332         of -pie.
5333         * gold.cc (queue_middle_tasks): A -pie link is not static.
5334         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5335         * symtab.cc (Symbol::final_value_is_known): Return false if
5336         output_is_position_independent.
5337         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5338         output_is_position_independent.
5339         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5340         output_is_position_independent.
5341         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5342         output_is_position_independent.
5343         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5344         two_file_pie_test.
5345         (basic_pie_test.o, basic_pie_test): New targets.
5346         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5347         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5348         (two_file_pie_test): New target.
5349         * testsuite/Makefile.in: Rebuild.
5350         * README: Remove note saying that -pie is not supported.
5351
5352 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5353
5354         * options.h (class General_options): Add -init and -fini.
5355         * layout.cc (Layout::finish_dynamic_section): Emit
5356         given init and fini functions.
5357
5358 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5359
5360         * gc.h (gc_process_relocs): Check if icf is enabled using new
5361         function.
5362         * gold.cc (queue_initial_tasks): Likewise.
5363         (queue_middle_tasks): Likewise.
5364         * object.cc (do_layout): Likewise.
5365         * symtab.cc (is_section_folded): Likewise.
5366         * main.cc (main): Likewise.
5367         * reloc.cc (Read_relocs::run): Likewise.
5368         (Sized_relobj::do_scan_relocs): Likewise.
5369         * icf.cc (is_function_ctor_or_dtor): New function.
5370         (Icf::find_identical_sections): Check if function is ctor or dtor when
5371         safe icf is chosen.
5372         * options.h (General_options::icf): Change option to be an enum.
5373         (Icf_status): New enum.
5374         (icf_enabled): New method.
5375         (icf_safe_folding): New method.
5376         (set_icf_status): New method.
5377         (icf_status_): New variable.
5378         * (options.cc) (General_options::finalize): Set icf_status_.
5379         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5380         icf_test and icf_keep_unique_test to use the --icf enum flag.
5381         * testsuite/icf_safe_test.sh: New file.
5382         * testsuite/icf_safe_test.cc: New file.
5383
5384 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5385
5386         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5387         includes to gc.h and icf.h.
5388         * arm.cc: Include gc.h.
5389         * gold.cc: Likewise.
5390         * i386.cc: Likewise.
5391         * powerpc.cc: Likewise.
5392         * sparc.cc: Likewise.
5393         * x86_64.cc: Likewise.
5394         * gc.h: Include icf.h.
5395
5396 2009-10-11  Ian Lance Taylor  <iant@google.com>
5397
5398         * plugin.cc: Include "gold.h" before other header files.
5399
5400 2009-10-10  Chris Demetriou  <cgd@google.com>
5401
5402         * options.h (Input_file_argument::Input_file_type): New enum.
5403         (Input_file_argument::is_lib_): Replace with...
5404         (Input_file_argument::type_): New member.
5405         (Input_file_argument::Input_file_argument): Take Input_file_type
5406         'type' rather than boolean 'is_lib' as second argument.
5407         (Input_file_argument::is_lib): Use type_.
5408         (Input_file_argument::is_searched_file): New function.
5409         (Input_file_argument::may_need_search): Handle is_searched_file.
5410         * options.cc (General_options::parse_library): Support -l:filename.
5411         (General_options::parse_just_symbols): Update for Input_file_argument
5412         changes.
5413         (Command_line::process): Likewise.
5414         * archive.cc (Archive::get_file_and_offset): Likewise.
5415         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5416         * script.cc (read_script_file, script_add_file): Likewise.
5417         * fileread.cc (Input_file::Input_file): Likewise.
5418         (Input_file::will_search_for): Handle is_searched_file.
5419         (Input_file::open): Likewise.
5420         * readsyms.cc (Read_symbols::get_name): Likewise.
5421         * testsuite/Makefile.am (searched_file_test): New test.
5422         * testsuite/Makefile.in: Regenerate.
5423         * testsuite/searched_file_test.cc: New file.
5424         * testsuite/searched_file_test_lib.cc: New file.
5425
5426 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5427             Ian Lance Taylor  <iant@google.com>
5428
5429         * descriptor.cc: Include <cstdio> and "binary-io.h".
5430         (Descriptors::open): Open the files in binary mode always.
5431         * script.cc (Lex::get_token): Treat \r as whitespace.
5432
5433 2009-10-09  Ian Lance Taylor  <iant@google.com>
5434
5435         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5436
5437 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5438             Ian Lance Taylor  <iant@google.com>
5439
5440         * configure.ac: Check for readv function also.
5441         * fileread.cc (readv): Define if not HAVE_READV.
5442         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5443         does not exist.
5444         * config.in: Regenerate.
5445         * configure: Regenerate.
5446
5447 2009-10-09  Doug Kwan  <dougkwan@google.com>
5448
5449         * layout.cc (Layout::make_output_section): Call target hook to make
5450         ordinary output section.
5451         (Layout::finalize): Adjust parameter list of call the
5452         Target::may_relax().
5453         * layout.h (class Layout::section_list): New method.
5454         * merge.h (Output_merge_base::entsize): Change visibility to public.
5455         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5456         New methods.
5457         (Output_merge_string::do_is_string): New method.
5458         * object.cc (Sized_relobj::do_setup): renamed from
5459         Sized_relobj::set_up.
5460         * object.h (Sized_relobj::adjust_shndx,
5461         Sized_relobj::initializ_input_to_output_maps,
5462         Sized_relobj::free_input_to_output_maps): Change visibilities to
5463         protected.
5464         (Sized_relobj::setup): Virtualize.
5465         (Sized_relobj::do_setup): New method declaration.
5466         (Sized_relobj::invalidate_section_offset,
5467         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5468         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5469         * options.cc (parse_int): New function.
5470         * options.h (parse_int): New declaration.
5471         (DEFINE_int): New macro.
5472         (stub_group_size): New option.
5473         * output.cc (Output_section::Output_section): Initialize memebers
5474         merge_section_map_, merge_section_by_properties_map_,
5475         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5476         (Output_section::add_input_section): Handled deferred code-fill
5477         generation and remove an old comment.
5478         (Output_section::add_relaxed_input_section): New method definition.
5479         (Output_section::add_merge_input_section): Use merge section by
5480         properties map to speed to search.  Update merge section maps
5481         as appropriate.
5482         (Output_section::build_relaxation_map): New method definition.
5483         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5484         Same.
5485         (Output_section::relax_input_section): Renamed to
5486         Output_section::convert_input_sections_to_relaxed_sections and change
5487         interface to take a vector of pointers to relaxed sections.
5488         (Output_section::find_merge_section,
5489         Output_section::find_relaxed_input_section): New method definitions.
5490         (Output_section::is_input_address_mapped,
5491         Output_section::output_offset, Output_section::output_address):
5492         Use output section data maps to speed up searching.
5493         (Output_section::find_starting_output_address): Add comments.
5494         (Output_section::do_write,
5495         Output_section::write_to_postprocessing_buffer): Do code-fill
5496         generation as appropriate.
5497         (Output_section::get_input_sections): Invalidate relaxed input section
5498         map.
5499         (Output_section::restore_states): Adjust type of checkpoint .
5500         Invalidate relaxed input section map.
5501         * output.h (Output_merge_base): New class declaration.
5502         (Input_section_specifier): New class defintion.
5503         (class Output_relaxed_input_section) Change base class to
5504         Output_section_data_build.
5505         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5506         base class initializer.
5507         (Output_section::add_relaxed_input_section): New method declaration.
5508         (Output_section::Input_section): Change visibility to protected.
5509         (Output_section::Input_section::relobj,
5510         Output_section::Input_section::shndx): Handle relaxed input sections.
5511         Output_section::input_sections) Change visibility to protected.  Also
5512         define overload to return a non-const pointer.
5513         (Output_section::Merge_section_properties): New class defintion.
5514         (Output_section::Merge_section_by_properties_map,
5515         Output_section::Output_section_data_by_input_section_map,
5516         Output_section::Relaxation_map): New types.
5517         (Output_section::relax_input_section): Rename method to
5518         Output_section::convert_input_sections_to_relaxed_sections and change
5519         interface to take a vector of relaxed section pointers.
5520         (Output_section::find_merge_section,
5521         Output_section::find_relaxed_input_section,
5522         Output_section::build_relaxation_map,
5523         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5524         New method declarations.
5525         (Output_section::merge_section_map_
5526         Output_section::merge_section_by_properties_map_,
5527         Output_section::relaxed_input_section_map_,
5528         Output_section::is_relaxed_input_section_map_valid_,
5529         Output_section::generate_code_fills_at_write_): New data members.
5530         * script-sections.cc
5531         (Output_section_element_input::set_section_addresses): Call
5532         current_data_size and addralign methods of relaxed input sections.
5533         (Orphan_output_section::set_section_addresses): Call current_data_size
5534         and addralign methods of relaxed input sections.
5535         * symtab.cc (Symbol_table::compute_final_value): Extract template
5536         from the body of Symbol_table::sized_finalize_symbol.
5537         (Symbol_table::sized_finalized_symbol): Call
5538         Symbol_table::compute_final_value.
5539         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5540         (Symbol_table::compute_final_value): New templated method declaration.
5541         * target.cc (Target::do_make_output_section): New method defintion.
5542         * target.h (Target::make_output_section): New method declaration.
5543         (Target::relax): Add more parameters for input objects, symbol table
5544         and layout.  Adjust call to do_relax.
5545         (Target::do_make_output_section): New method declaration.
5546         (Target::do_relax): Add parameters for input objects, symbol table
5547         and layout.
5548
5549 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5550
5551         * pread.c: Include stdio.h.
5552
5553 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5554
5555         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5556         defined.
5557
5558 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5559
5560         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5561         Change read_shndx type to unsigned int.
5562         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5563         int.
5564         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5565         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5566         Change read_shndx type to unsigned int.
5567         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5568         int.
5569         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5570         * layout.cc (Layout::create_symtab_sections): Cast the result of
5571         local_symcount * symsize to off_t in the gold_assert.
5572
5573 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5574
5575         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5576         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5577         R_ARM_BASE_ABS.
5578         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5579         (Arm_relocate_functions::thm_abs5): New function.
5580         (Arm_relocate_functions::abs12): New function.
5581         (Arm_relocate_functions::abs16): New function.
5582         (Arm_relocate_functions::base_abs): New function.
5583         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5584         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5585         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5586         R_ARM_BASE_ABS.
5587         (Scan::global): Likewise.
5588         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5589         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5590         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5591         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5592         R_ARM_BASE_ABS.
5593
5594 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5595
5596         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5597         (Arm_relocate_functions::movt_prel): New function.
5598         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5599         (Arm_relocate_functions::thm_movt_prel): New function.
5600         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5601         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5602         (Scan::global, Relocate::relocate): Likewise.
5603         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5604
5605 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5606
5607         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5608         Incremental_checker.
5609         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5610         unsigned int.
5611         (class Incremental_inputs_header): New class.
5612         (Incremental_inputs_header_writer): Edit comment.
5613         (Incremental_inputs_entry): New class.
5614         (Incremental_inputs_entry_writer): Edit comment.
5615         (Sized_incremental_binary::do_find_incremental_inputs_section):
5616         Add *strtab_shndx parameter, fill it.
5617         (Sized_incremental_binary::do_check_inputs): New method.
5618         (Incremental_checker::can_incrementally_link_output_file): Use
5619         Sized_incremental_binary::check_inputs.
5620         (Incremental_inputs::report_command_line): Save command line in
5621         command_line_.
5622         * incremental.h:
5623         (Incremental_binary::find_incremental_inputs_section): New
5624         method.
5625         (Incremental_binary::do_find_incremental_inputs_section): Add
5626         strtab_shndx parameter.
5627         (Incremental_binary::do_check_inputs): New pure virtual method.
5628         (Sized_incremental_binary::do_check_inputs): Declare.
5629         (Incremental_checker::Incremental_checker): Add incremental_inputs
5630         parameter, use it to initialize incremental_inputs_.
5631         (Incremental_checker::incremental_inputs_): New field.
5632         (Incremental_checker::command_line): New method.
5633         (Incremental_checker::inputs): New method.
5634         (Incremental_checker::command_line_): New field.
5635
5636 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5637
5638         * incremental.cc: Include <cstdarg> and "target-select.h".
5639         (vexplain_no_incremental): New function.
5640         (explain_no_incremental): New function.
5641         (Incremental_binary::error): New method.
5642         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5643         method.
5644         (make_sized_incremental_binary): New function.
5645         (open_incremental_binary): New function.
5646         (can_incrementally_link_file): Add checks if output is ELF and has
5647         inputs section.
5648         * incremental.h: Include "elfcpp_file.h" and "output.h".
5649         (Incremental_binary): New class.
5650         (Sized_incremental_binary): New class.
5651         (open_incremental_binary): Declare.
5652         * object.cc (is_elf_object): Use
5653         elfcpp::Elf_recognizer::is_elf_file.
5654         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5655         * output.h (Output_file::filesize): New method.
5656
5657 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5658
5659         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5660         New function.
5661         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5662         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5663         function.
5664         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5665         function.
5666         (Arm_relocate_functions::movw_abs_nc): New function.
5667         (Arm_relocate_functions::movt_abs): New function.
5668         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5669         (Arm_relocate_functions::thm_movt_abs): New function.
5670         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5671         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5672         (Scan::global): Likewise.
5673         (Relocate::relocate): Likewise.
5674         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5675
5676 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5677
5678         * arm.cc (Arm_relocate_functions::got_prel) New function.
5679         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5680         (Relocate::relocate): Likewise.
5681         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5682
5683 2009-10-06  Ian Lance Taylor  <iant@google.com>
5684
5685         * options.h (class General_options): Define
5686         split_stack_adjust_size parameter.
5687         * object.h (class Object): Add uses_split_stack_ and
5688         has_no_split_stack_ fields.  Add uses_split_stack and
5689         has_no_split_stack accessor functions.  Declare
5690         handle_split_stack_section.
5691         (class Reloc_symbol_changes): Define.
5692         (class Sized_relobj): Define Function_offsets.  Declare
5693         split_stack_adjust, split_stack_adjust_reltype, and
5694         find_functions.
5695         * object.cc (Object::handle_split_stack_section): New function.
5696         (Sized_relobj::do_layout): Call handle_split_stack_section.
5697         * dynobj.cc (Sized_dynobj::do_layout): Call
5698         handle_split_stack_section.
5699         * reloc.cc (Sized_relobj::relocate_sections): Call
5700         split_stack_adjust for executable sections in split_stack
5701         objects.  Pass reloc_map to relocate_section.
5702         (Sized_relobj::split_stack_adjust): New function.
5703         (Sized_relobj::split_stack_adjust_reltype): New function.
5704         (Sized_relobj::find_functions): New function.
5705         * target-reloc.h: Include "object.h".
5706         (relocate_section): Add reloc_symbol_changes parameter.  Change
5707         all callers.
5708         * target.h (class Target): Add calls_non_split method.  Declare
5709         do_calls_non_split virtual method.  Declare match_view and
5710         set_view_to_nop.
5711         * target.cc: Include "elfcpp.h".
5712         (Target::do_calls_non_split): New function.
5713         (Target::match_view): New function.
5714         (Target::set_view_to_nop): New function.
5715         * gold.cc (queue_middle_tasks): Give an error if mixing
5716         split-stack and non-split-stack objects with -r.
5717         * i386.cc (Target_i386::relocate_section): Add
5718         reloc_symbol_changes parameter.
5719         (Target_i386::do_calls_non_split): New function.
5720         * x86_64.cc (Target_x86_64::relocate_section): Add
5721         reloc_symbol_changes parameter.
5722         (Target_x86_64::do_calls_non_split): New function.
5723         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5724         parameter.
5725         * powerpc.cc (Target_powerpc::relocate_section): Add
5726         reloc_symbol_changes parameter.
5727         * sparc.cc (Target_sparc::relocate_section): Add
5728         reloc_symbol_changes parameter.
5729         * configure.ac: Call AM_CONDITIONAL for the default target.
5730         * configure: Rebuild.
5731         * testsuite/Makefile.am (TEST_AS): New variable.
5732         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5733         (check_DATA): Add split_i386 and split_x86_64 files.
5734         (SPLIT_DEFSYMS): Define.
5735         (split_i386_[1234n].o): New targets.
5736         (split_i386_[124]): New targets.
5737         (split_i386_[1234r].stdout): New targets.
5738         (split_x86_64_[1234n].o): New targets.
5739         (split_x86_64_[124]): New targets.
5740         (split_x86_64_[1234r].stdout): New targets.
5741         (MOSTLYCLEANFILES): Add new executables.
5742         * testsuite/split_i386.sh: New file.
5743         * testsuite/split_x86_64.sh: New file.
5744         * testsuite/split_i386_1.s: New file.
5745         * testsuite/split_i386_2.s: New file.
5746         * testsuite/split_i386_3.s: New file.
5747         * testsuite/split_i386_4.s: New file.
5748         * testsuite/split_i386_n.s: New file.
5749         * testsuite/split_x86_64_1.s: New file.
5750         * testsuite/split_x86_64_2.s: New file.
5751         * testsuite/split_x86_64_3.s: New file.
5752         * testsuite/split_x86_64_4.s: New file.
5753         * testsuite/split_x86_64_n.s: New file.
5754         * testsuite/testfile.cc (Target_test): Update relocation_section
5755         function.
5756         * testsuite/Makefile.in: Rebuild.
5757
5758 2009-10-06  Ian Lance Taylor  <iant@google.com>
5759
5760         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5761         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5762         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5763         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5764         the address on ldo_addrs_.
5765         (Target_i386::Relocate::fix_up_ldo): New function.
5766
5767 2009-10-06   Rafael Espindola  <espindola@google.com>
5768
5769         * plugin.cc (add_input_library): New.
5770         (Plugin::load): Add add_input_library to tv.
5771         (Plugin_manager::add_input_file): Add the is_lib argument.
5772         (add_input_file): Update call to Plugin_manager::add_input_file.
5773         (add_input_library): New.
5774         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5775
5776 2009-09-30  Doug Kwan  <dougkwan@google.com>
5777
5778         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5779         symbol and call Symbol::may_need_copy_reloc to determine if
5780         a copy reloc is needed.
5781         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5782         nocopyreloc is given in command line.
5783         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5784         given in command line.
5785         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5786         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5787         of the removed Target_i386::may_need_copy_reloc.
5788         * options.h (copyreloc): New option with default value false.
5789         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5790         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5791         instead of the removed Target_powerpc::may_need_copy_reloc.
5792         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5793         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5794         instead of the removed Target_sparc::may_need_copy_reloc.
5795         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5796         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5797         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5798         instead of the removed Target_x86_64::may_need_copy_reloc.
5799
5800 2009-09-30  Ian Lance Taylor  <iant@google.com>
5801
5802         * object.h (class Object): Remove target_ field, and target,
5803         sized_target, and set_target methods.
5804         (Object::sized_target): Remove.
5805         (class Sized_relobj): Update declarations.  Remove sized_target.
5806         * object.cc (Sized_relobj::setup): Remove target parameter.
5807         Change all callers.
5808         (Input_objects::add_object): Don't do anything with the target.
5809         (make_elf_sized_object): Add punconfigured parameter.  Change all
5810         callers.  Set or test parameter target.
5811         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5812         Change all callers.
5813         * parameters.cc (Parameters::set_target): Change parameter type to
5814         be non-const.
5815         (Parameters::default_target): Remove.
5816         (set_parameters_target): Change parameter type to be non-const.
5817         (parameters_force_valid_target): New function.
5818         (parameters_clear_target): New function.
5819         * parameters.h (class Parameters): Update declarations.  Remove
5820         default_target method.  Add sized_target and clear_target
5821         methods.  Change target_ to be non-const.
5822         (set_parameters_target): Update declaration.
5823         (parameters_force_valid_target): Declare.
5824         (parameters_clear_target): Declare.
5825         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5826         as NULL if we aren't searching.
5827         (Add_symbols::run): Don't check for compatible target.
5828         * fileread.cc (Input_file::open_binary): Call
5829         parameters_force_valid_target.
5830         * gold.cc (queue_middle_tasks): Likewise.
5831         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5832         set_target on object.
5833         * dynobj.h (class Sized_dynobj): Update declarations.
5834         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5835         make_elf_object returns NULL.
5836         (Archive::include_member): Don't check whether object target is
5837         compatible.
5838         * output.cc (Output_section::add_input_section): Get target from
5839         parameters.
5840         (Output_section::relax_input_section): Likewise.
5841         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5842         parameters.
5843         (Sized_relobj::do_scan_relocs): Likewise.
5844         (Sized_relobj::relocate_sections): Likewise.
5845         * resolve.cc (Symbol_table::resolve): Likewise.
5846         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5847         parameter.  Change all callers.
5848         (Symbol_table::add_from_object): Get target from parameters.
5849         (Symbol_table::add_from_relobj): Don't check object target.
5850         (Symbol_table::add_from_dynobj): Likewise.
5851         (Symbol_table::define_special_symbol): Get target from
5852         parameters.
5853         * symtab.h (class Symbol_table): Update declaration.
5854         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5855         parameter.  Change all callers.  Clear parameter target.
5856         (Binary_test): Test target here.
5857         * testsuite/object_unittest.cc (gold_testsuite): Remove
5858         target_test_pointer parameter.  Change all callers.
5859         (Object_test): Test target here.
5860
5861 2009-09-26  Ian Lance Taylor  <iant@google.com>
5862
5863         * testsuite/initpri1.c: Don't try to use constructor priorities if
5864         compiling with gcc before 4.3.
5865
5866 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5867
5868         * testsuite/retain_symbols_file_test.sh (check_present): Change
5869         output file name to retain_symbols_file_test.stdout.
5870         (check_absent): Likewise.
5871
5872 2009-09-18  Craig Silverstein  <csilvers@google.com>
5873
5874         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5875         * options.cc: Include <cerrno> and <fstream>.
5876         (General_options::finalize): Parse -retain-symbols-file tag.
5877         * options.h: New flag.
5878         (General_options): New method should_retain_symbol, new
5879         variable symbols_to_retain.
5880         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5881         should_retain_symbol map.
5882         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5883         * testsuite/Makefile.in: Regenerate.
5884         * testsuite/retain_symbols_file_test.sh: New file.
5885
5886 2009-09-18  Nick Clifton  <nickc@redhat.com>
5887
5888         * po/es.po: Updated Spanish translation.
5889
5890 2009-09-17  Doug Kwan  <dougkwan@google.com>
5891
5892         * debug.h (DEBUG_RELAXATION): New constant.
5893         (DEBUG_ALL): Add DEBUG_RELAXATION.
5894         (debug_string_to_enum): Add relaxation debug option.
5895         * layout.cc
5896         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5897         Layout::Relaxation_debug_check::read_sections,
5898         Layout::Relaxation_debug_check::read_sections): New method definitions.
5899         (Layout::Layout): Initialize data members
5900         record_output_section_data_from_scrips_,
5901         script_output_section_data_list_ and relaxation_debug_check_.
5902         (Layout::save_segments, Layout::restore_segments,
5903         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5904         Layout::relaxation_loop_body): New method definitions.
5905         (Layout::finalize): Support relaxation.  Move section layout code to
5906         Layout::relaxation_loop_body.
5907         (Layout::set_asection_address_from_script): Move code for orphan
5908         section placement out.
5909         (Layout::place_orphan_sections_in_script): New method definition.
5910         * layout.h (Output_segment_headers, Output_file_header):
5911         New forward class declarations.
5912         (Layout::~Layout): Define.
5913         (Layout::new_output_section_data_from_script): New method definition.
5914         (Layout::place_orphan_sections_in_script): New method declaration.
5915         (Layout::Segment_states): New type declaration.
5916         (Layout::save_segments, Layout::restore_segments,
5917         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5918         Layout::relaxation_loop_body): New method declarations.
5919         (Layout::Output_section_data_list): New type declaration.
5920         (Layout::Relaxation_debug_check): New class definition.
5921         (Layout::record_output_section_data_from_script_,
5922         Layout::script_output_section_data_list_, Layout::segment_states_,
5923         Layout::relaxation_debug_check_): New data members.
5924         * output.cc: (Output_section_headers::do_size): New method definition.
5925         (Output_section_headers::Output_section_headers): Move size
5926         computation to Output_section_headers::do_size.
5927         (Output_segment_headers::do_size): New method definition.
5928         (Output_file_header::Output_file_header): Move size computation to
5929         Output_file_header::do_size and call it.
5930         (Output_file_header::do_size): New method definition.
5931         (Output_data_group::Output_data_group): Adjust call to
5932         Output_section_data.
5933         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5934         (Output_symtab_xindex::do_write): Add array bound check.
5935         (Output_section::Input_section::print_to_mapfile): Handle
5936         RELAXED_INPUT_SECTION_CODE.
5937         (Output_section::Output_section): Initialize data member checkpoint_.
5938         (Output_section::~Output_section): Delete checkpoint object pointed
5939         by checkpoint_.
5940         (Output_section::add_input_section): Always add an Input_section if
5941         relaxing.
5942         (Output_section::add_merge_input_section): Add assert.
5943         (Output_section::relax_input_section): New method definition.
5944         (Output_section::set_final_data_size): Set load address to zero for
5945         an unallocated section.
5946         (Output_section::do_address_and_file_offset_have_reset_values):
5947         New method definition.
5948         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5949         Handle relaxed input section.
5950         (Output_section::sort_attached_input_sections): Checkpoint input
5951         section list lazily.
5952         (Output_section::get_input_sections): Change type of input_sections to
5953         list of Simple_input_section pointers.  Checkpoint input section list
5954         lazily.  Also handle relaxed input sections.
5955         (Output_section::add_input_section_for_script): Take a reference to
5956         a Simple_input_section object instead of Relobj pointer and section
5957         index as parameter.  Handle relaxed input sections.
5958         (Output_section::save_states, Output_section::restore_states): New
5959         method definitions.
5960         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5961         (Output_data::is_data_size_fixed): New method definition.
5962         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5963         if it is fixed.
5964         (Output_data::address_and_file_offset_have_reset_values): New method
5965         definition.
5966         (Output_data::do_address_and_file_offset_have_reset_values): New method
5967         definition.
5968         (Output_data::set_data_size): Check that data size is not fixed.
5969         (Output_data::fix_data_size): New method definition.
5970         (Output_data::is_data_size_fixed_): New data member.
5971         (Output_section_headers::set_final_data_size): New method definition.
5972         (Output_section_headers::do_size): New method declaration.
5973         (Output_segment_headers::set_final_data_size): New method definition.
5974         (Output_segment_headers::do_size): New method declaration.
5975         (Output_file_header::set_final_data_size)::New method definition.
5976         (Output_file_header::do_size)::New method declaration.
5977         (Output_section_data::Output_section_data): Add new parameter
5978         is_data_size_fixed and use it to fix data size.
5979         (Output_data_const::Output_data_const): Adjust call to base class
5980         constructor and fix data size.
5981         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5982         base class constructor and fix data size.
5983         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5984         base class constructor and fix data size.
5985         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5986         class constructor and fix data size.
5987         (Output_data_group::set_final_data_size): New method definition.
5988         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5989         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5990         class constructor and fix data size.
5991         (Output_relaxed_input_section): New class definition.
5992         (Output_section::Simple_input_section): New class definition.
5993         (Output_section::get_input_sections): Adjust parameter list.
5994         (Output_section::add_input_section_for_script): Same.
5995         (Output_section::save_states, Output_section::restore_states,
5996         Output_section::do_address_and_file_offset_have_reset_values,
5997         (Output_section::Input_section::Input_section): Handle
5998         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5999         Output_relaxed_input_section.
6000         (Output_section::Input_section::is_input_section,
6001         Output_section::Input_section::set_output_section): Handle relaxed
6002         input section.
6003         (Output_section::Input_section::is_relaxed_input_section,
6004         Output_section::Input_section::output_section_data,
6005         Output_section::Input_section::relaxed_input_section): New method
6006         definitions.
6007         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
6008         value.
6009         (Output_section::Input_section::u1_): Update comments.
6010         (Output_section::Input_section::u2_): Add new union member poris.
6011         (Output_section::Checkpoint_output_section): New classs definition.
6012         (Output_section::relax_input_section): New method declaration.
6013         (Output_section::checkpoint_): New data member.
6014         (Output_segment): Update comments.
6015         (Output_segment::Output_segment): Un-privatize copy constructor.
6016         (Output_segment::operator=): Un-privatize.
6017         * script-sections.cc (Output_section_element::Input_section_list):
6018         Change element type to Output_section::Simple_input_section.
6019         (Output_section_element_dot_assignment::set_section_addresses):
6020         Register output section data for relaxation clean up.
6021         (Output_data_exression::Output_data_expression): Adjust call to base
6022         constructor to fix data size.
6023         (Output_section_element_data::set_section_addresses): Register
6024         Output_data_expression object for relaxation clean up.
6025         (struct Input_section_info): Replace Relobj pointer and section index
6026         pair with Output_section::Simple_input_section and Convert struct to a
6027         class.
6028         (Input_section_sorter::operator()): Adjust access to
6029         Input_section_info data member to use accessors.
6030         (Output_section_element_input::set_section_addresses): Use layout
6031         parameter.  Adjust code to use Output_section::Simple_input_section
6032         and Input_secction_info classes.  Register filler for relaxation
6033         clean up.
6034         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
6035         and section index pair with Output_section::Simple_input_section
6036         class.  Adjust code accordingly.
6037         (Phdrs_element::release_segment): New method definition.
6038         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
6039         segment list.
6040         (Script_sections::release_segments): New method definition.
6041         * gold/script-sections.h (Script_sections::release_segments): New
6042         method declaration.
6043         * gold/target.h (Target::may_relax, Target::relax,
6044         Target::do_may_relax, Target::do_relax): New method definitions.
6045
6046 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6047
6048         * arm.cc (has_signed_unsigned_overflow): New function.
6049         (Arm_relocate_functions::abs8): New function.
6050         (Target_arm::Scan::local): Handle R_ARM_ABS8.
6051         (Target_arm::Scan::global): Likewise.
6052         (Target_arm::relocate::relocate): Likewise.
6053         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6054         Likewise.
6055
6056 2009-09-16  Cary Coutant  <ccoutant@google.com>
6057
6058         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
6059         * testsuite/Makefile.in: Regenerate.
6060
6061 2009-09-11  Nick Clifton  <nickc@redhat.com>
6062
6063         * po/gold.pot: Updated by the Translation project.
6064
6065 2009-09-08  Cary Coutant  <ccoutant@google.com>
6066
6067         * output.cc (Output_file::open): Add execute permission to empty file.
6068         * testsuite/Makefile.am (permission_test): New test.
6069         * testsuite/Makefile.in: Regenerate.
6070
6071 2009-09-02  Ian Lance Taylor  <iant@google.com>
6072
6073         * output.cc (Output_file::resize): Call map_no_anonymous rather
6074         than map.
6075
6076 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
6077
6078         * gold.cc: Include "incremental.h".
6079         (queue_initial_tasks): Call Incremental_checker methods.
6080         * incremental.cc: Include "output.h".
6081         (Incremental_checker::can_incrementally_link_output_file): New
6082         method.
6083         * incremental.h (Incremental_checker): New class.
6084
6085         * output.cc (Output_file::open_for_modification): New method.
6086         (Output_file::map_anonymous): Changed return type to bool.  Record
6087         map in base_ field.
6088         (Output_file::map_no_anonymous): New method, broken out of map.
6089         (Output_file::map): Use map_no_anonymous and map_anonymous.
6090         * output.h (class Output_file): Update declarations.
6091
6092 2009-08-24  Cary Coutant  <ccoutant@google.com>
6093
6094         * options.h (Command_line::Pre_options): New class.
6095         (Command_line::pre_options): New member.
6096         * options.cc (gold::options::ready_to_register): New variable.
6097         (One_option::register_option): Do nothing if not registering options.
6098         Assert if same short option registered twice.
6099         (General_options::General_options): Turn off option registration when
6100         done constructing.
6101         (Command_line::Pre_options::Pre_options): New constructor.
6102
6103 2009-08-24  Cary Coutant  <ccoutant@google.com>
6104
6105         * options.h (General_options::no_keep_memory): Remove incorrect
6106         short option.
6107
6108 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6109
6110         * Makefile.am (am__skiplex, am__skipyacc): New.
6111         * Makefile.in: Regenerate.
6112
6113 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6114
6115         * Makefile.am (AM_CPPFLAGS): Renamed from ...
6116         (INCLUDES): ... this.
6117         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
6118         (AM_CPPFLAGS): Renamed from ...
6119         (INCLUDE): ... this.
6120         * Makefile.in, testsuite/Makefile.in: Regenerate.
6121
6122         * Makefile.in: Regenerate.
6123         * aclocal.m4: Likewise.
6124         * config.in: Likewise.
6125         * configure: Likewise.
6126         * testsuite/Makefile.in: Likewise.
6127
6128         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6129         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6130         * Makefile.in: Regenerate.
6131         * testsuite/Makefile.in: Regenerate.
6132
6133 2009-08-19  Cary Coutant  <ccoutant@google.com>
6134
6135         * resolve.cc (Symbol_table::resolve): Don't complain about defined
6136         symbols in shared libraries overridden by hidden or internal symbols
6137         in the main program.
6138
6139 2009-08-19  Chris Demetriou  <cgd@google.com>
6140
6141         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
6142         checking source file names in error messages.
6143
6144 2009-08-18  Doug Kwan  <dougkwan@google.com>
6145
6146         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
6147         an elcpp::Ehdr as parameter.  Adjust call to set_target.
6148         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
6149         an elfcpp::Ehdr as parameter.
6150         * object.cc (Object::set_target): Remove the version that looks up
6151         a target and sets it.
6152         (Sized_relobj::setup): Take a Target object instead of
6153         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
6154         (make_elf_sized_object): Find target and ask target to
6155         make an ELF object.
6156         * object.h: (Object::set_target): Remove the version that looks up
6157         a target and sets it.
6158         (Sized_relobj::setup): Take a Target object instead of
6159         an elfcpp:Ehdr as parameter.
6160         * target.cc: Include dynobj.h.
6161         (Target::do_make_elf_object_implementation): New.
6162         (Target::do_make_elf_object): New.
6163         * target.h (Target::make_elf_object): New template declaration.
6164         (Target::do_make_elf_object): New method declarations.
6165         (Target::do_make_elf_object_implementation): New template declaration.
6166
6167 2009-08-14  Ian Lance Taylor  <iant@google.com>
6168
6169         * gold.h (FUNCTION_NAME): Define.
6170         (gold_unreachable): Use FUNCTION_NAME.
6171
6172 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6173
6174         * icf.cc (Icf::find_identical_sections): Issue a warning when a
6175         symbol in the --keep-unique list is not found.
6176
6177 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6178
6179         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
6180         been maked as --keep-unique.
6181         (Icf::unfold_section): New function.
6182         * icf.h (Icf::unfold_section): New function.
6183         * options.h (General_options::keep_unique): New option.
6184         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
6185         * testsuite/Makefile.in: Regenerate.
6186         * testsuite/icf_keep_unique_test.sh: New file.
6187         * testsuite/icf_keep_unique_test.cc: New file.
6188
6189 2009-08-12  Cary Coutant  <ccoutant@google.com>
6190
6191         PR 10471
6192         * resolve.cc (Symbol_table::resolve): Check for references from
6193         dynamic objects to hidden and internal symbols.
6194         * testsuite/Makefile.am (hidden_test.sh): New test.
6195         * testsuite/Makefile.in: Regenerate.
6196         * testsuite/hidden_test.sh: New script.
6197         * testsuite/hidden_test_1.c: New test source.
6198         * testsuite/hidden_test_main.c: New test source.
6199
6200 2009-08-11  Doug Kwan  <dougkwan@google.com>
6201
6202         * arm.cc: Update comments.
6203         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
6204         segment to locate the .ARM.exidx section if present.
6205
6206 2009-08-09  Doug Kwan  <dougkwan@google.com>
6207
6208         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
6209         patch.
6210
6211 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
6212         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
6213         compiler warnings.
6214
6215 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
6216
6217         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
6218         valid tls_segment only for non-debug-section relocations.
6219         * testsuite/Makefile.am: Add gc_tls_test.
6220         * testsuite/Makefile.in: Regenerate.
6221         * testsuite/gc_tls_test.cc: New file.
6222         * testsuite/gc_tls_test.sh: New file.
6223
6224 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
6225
6226         * icf.cc: New file.
6227         * icf.h: New file.
6228         * Makefile.am (CCFILES): Add icf.cc.
6229         (HFILES): Add icf.h
6230         * Makefile.in: Regenerate.
6231         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
6232         * gc.h (gc_process_relocs): Populate lists used by icf to contain
6233         section, symbol and addend information for the relocs.
6234         * gold.cc (queue_middle_tasks): Call identical code folding.
6235         * gold.h: Add defines for multimap.
6236         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
6237         to the call of finalize_local_symbols.
6238         * main.cc (main): Create object of class Icf.
6239         * object.cc (Sized_relobj::do_layout): Allow this function to be
6240         called twice during icf.
6241         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
6242         to sections marked as identical by icf.
6243         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
6244         when available.
6245         (Sized_relobj::do_section_entsize): New function.
6246         * object.h (Object::section_entsize): New function.
6247         (Object::do_section_entsize): New pure virtual function.
6248         (Relobj::finalize_local_symbols): Add new parameter.
6249         (Relobj::do_section_entsize): New function.
6250         * options.h (General_options::icf): New option.
6251         (General_options::icf_iterations): New option.
6252         (General_options::print_icf_sections): New option.
6253         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
6254         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
6255         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
6256         icf.
6257         * symtab.cc (Symbol_table::is_section_folded): New function.
6258         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6259         to sections marked as identical by icf.
6260         * symtab.h (Symbol_table::set_icf): New function.
6261         (Symbol_table::icf): New function.
6262         (Symbol_table::is_section_folded): New function.
6263         (Symbol_table::icf_): New data member.
6264         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6265         * testsuite/Makefile.am: Add commands to build icf_test.
6266         * testsuite/Makefile.in: Regenerate.
6267         * testsuite/icf_test.sh: New file.
6268         * testsuite/icf_test.cc: New file.
6269
6270 2009-07-24  Chris Demetriou  <cgd@google.com>
6271
6272         * layout.cc (is_compressible_debug_section): Fix incorrect
6273         comment about compressed section names.
6274
6275 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6276
6277         PR 10419
6278         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6279
6280 2009-07-16  Ian Lance Taylor  <iant@google.com>
6281
6282         PR 10400
6283         * layout.h: #include <map>.
6284         (class Kept_section): Change from struct to class.  Add accessors
6285         and setters.  Add section size to Comdat_group mapping.  Change
6286         Comdat_group to std::map.  Add is_comdat_ field.  Add
6287         linkonce_size field in union.
6288         (class Layout): Update declaration of find_or_add_kept_section.
6289         Don't declare find_kept_object.
6290         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6291         parameter.  Add object, shndx, is_comdat, and is_group_name
6292         parameters.  Change all callers.  Adjust for new Kept_section.
6293         (Layout::find_kept_object): Remove.
6294         * object.cc (Sized_relobj::include_section_group): Update use of
6295         Kept_section.  Rename secnum to shndx.  Only record
6296         Kept_comdat_section if sections are the same size.
6297         (Sized_relobj::include_linkonce_section): Update use of
6298         Kept_section.  Only record Kept_comdat_section if sections are the
6299         same size.  Set size of linkonce section.
6300         (Sized_relobj::map_to_kept_section): Update call to
6301         get_kept_comdat_section.
6302         * object.h (class Sized_relobj): Rename fields in
6303         Kept_comdat_section to drop trailing underscores; change object
6304         field to Relobj*.  Change Kept_comdat_section_table to store
6305         struct rather than pointer.
6306         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6307         Add kept_object and kept_shndx parameters.  Change all callers.
6308         (Sized_relobj::get_kept_comdat_section): Change return type to
6309         bool.  Add kept_object and kept_shndx parameters.  Change all
6310         callers.
6311         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6312         Layout::find_or_add_kept_section.
6313
6314 2009-07-09  Ian Lance Taylor  <iant@google.com>
6315
6316         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6317         Reserve space in the hash table.
6318
6319 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6320
6321         * fileread.cc (File_read::get_mtime): New method.
6322         * fileread.h (Timespec): New structure.
6323         (File_read::get_mtime): New method.
6324         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6325         Renamed from timestamp_nsec.
6326         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6327         Elf_Xword.
6328         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6329         timestamp_nsec.
6330         (Incremental_inputs::report_archive): Save mtime; style fix.
6331         (Incremental_inputs::report_obejct): Save mtime; style fix.
6332         (Incremental_inputs::report_script): Save mtime; style fix.
6333         (Incremental_inputs::finalize_inputs): Style fix.
6334         (Incremental_inputs::finalize): Style fix.
6335         (Incremental_inputs::create_input_section_data): Store inputs
6336         mtime.
6337         * incremental.h (Incremental_inputs::report_script): Add mtime
6338         argument.
6339         (Incremental_inputs::Input_info::Input_info): Intialize only one
6340         union member.
6341         (Incremental_inputs::Input_info::archive): Move to nameless
6342         union.
6343         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6344         (Incremental_inputs::Input_info::script): Move to nameless union.
6345         (Incremental_inputs::mtime): New field.
6346         * script.cc (read_input_script): Pass file mtime to
6347         Incremental_input.
6348         * script.h (Script_info::inputs): Style fix.
6349
6350 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6351
6352         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6353         instead of 32.
6354
6355 2009-06-24  Ian Lance Taylor  <iant@google.com>
6356
6357         PR 10156
6358         * layout.cc (Layout::choose_output_section): If we find an
6359         existing section, update the flags.
6360         (Layout::create_notes): New function, broken out of
6361         Layout::finalize.
6362         (Layout::finalize): Don't create note sections.
6363         (Layout::create_note): Don't crash if linker script discards
6364         section.
6365         (Layout::create_gold_note): Likewise.
6366         (Layout::create_build_id): Likewise.  Don't set
6367         after_input_sections on the section.
6368         (Layout::create_executable_stack_info): Remove target parameter.
6369         Change caller.
6370         * layout.h (class Layout): Declare create_notes.  Update
6371         declaration of create_executable_stack_info.
6372         * gold.cc (queue_middle_tasks): Call create_notes.
6373         * output.cc (Output_section::update_flags_for_input_section): Move
6374         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6375         invalid.
6376         * output.h (Output_data::mark_address_invalid): New function.
6377         (class Output_section): Only declare, not define,
6378         update_flags_for_input_section.  Remove set_flags.
6379
6380 2009-06-24  Ian Lance Taylor  <iant@google.com>
6381
6382         * script-sections.cc (Output_section_definition::
6383         set_section_addresses): Rename shadowing local load_address to
6384         laddr.
6385
6386 2009-06-24  Ian Lance Taylor  <iant@google.com>
6387
6388         PR 10244
6389         * reloc.cc (relocate_sections): Skip empty relocation sections.
6390
6391 2009-06-23  Ian Lance Taylor  <iant@google.com>
6392
6393         PR 10156
6394         * layout.cc (Layout::create_note): Use choose_output_section
6395         rather than make_output_section.
6396
6397 2009-06-23  Ian Lance Taylor  <iant@google.com>
6398
6399         PR 10237
6400         * options.cc (General_options::parse_V): Set printed_version_.
6401         (General_options::General_options): Initialize printed_version_.
6402         * options.h (class General_options): Add printed_version_ field.
6403         * gold.cc (queue_initial_tasks): If there are no input files,
6404         don't give a fatal error if we printed the version information.
6405         (queue_middle_tasks): If using -r with a shared object, give a
6406         fatal error rather than an ordinary error.
6407
6408 2009-06-23  Ian Lance Taylor  <iant@google.com>
6409
6410         PR 10219
6411         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6412         (Layout::make_output_section): Set have_stabstr_section_ if we see
6413         a .stab*str section.
6414         (Layout::finalize): Call link_stabs_sections.
6415         (Layout::link_stabs_sections): New file.
6416         * layout.h (class Layout): Add have_stabstr_section_ field.
6417         Declare link_stabs_sections.
6418
6419 2009-06-23  Doug Kwan  <dougkwan@google.com>
6420
6421         * Makefile.am (libgold_a_LIBADD): New.
6422         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6423         * Makefile.in: Regenerate.
6424         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6425         * configure: Regenerate.
6426         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6427         * fileread.cc: Include sys/state.h
6428         * gold.h: Declare memmem and strndup if found missing.
6429         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6430
6431 2009-06-23  Ian Lance Taylor  <iant@google.com>
6432
6433         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6434         * configure: Rebuild.
6435
6436 2009-06-23  Ian Lance Taylor  <iant@google.com>
6437
6438         PR 10147
6439         * object.cc (Object::section_contents): Don't try to get a view if
6440         the section has length zero.
6441         (Object::handle_gnu_warning_section): If the section is empty, use
6442         the name of the section as the warning.
6443
6444 2009-06-23  Ian Lance Taylor  <iant@google.com>
6445
6446         PR 10133
6447         * stringpool.h (class Stringpool_template): Add optimize_ field.
6448         (Stringpool_template::set_optimize): New function.
6449         * stringpool.cc (Stringpool_template::Stringpool_template):
6450         Initialize optimize_ field.
6451         (Stringpool_template::set_string_offsets): Test local optimize
6452         fild rather than parameter.
6453         * layout.cc (Layout::Layout): Call set_optimize on the section
6454         name stringpool.
6455
6456 2009-06-22  Ian Lance Taylor  <iant@google.com>
6457
6458         PR 10030
6459         * yyscript.y: Parse TARGET.
6460         * script.cc (script_set_target): New function.
6461         * script-c.h (script_set_target): Declare.
6462         * options.cc (General_options::string_to_object_format): Rename
6463         from string_to_object_format in anonymous namespace.  Change
6464         callers.
6465         * options.h (class General_options): Declare
6466         string_to_object_format.
6467
6468 2009-06-22  Ian Lance Taylor  <iant@google.com>
6469
6470         * script-sections.cc (Script_sections::create_segments): Don't put
6471         program headers in a PT_LOAD segment if -n or -N.
6472
6473 2009-06-22  Ian Lance Taylor  <iant@google.com>
6474
6475         PR 10141
6476         * options.h (class General_options): Add -z lazy and -z now.  Sort
6477         -z options into alphabetical order.
6478         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6479
6480 2009-06-21  Ian Lance Taylor  <iant@google.com>
6481
6482         * layout.cc (Layout::make_output_section): Call
6483         Target::new_output_section.
6484         (Layout::attach_allocated_section_to_segment): Put large section
6485         sections in a separate load segment with the large segment flag
6486         set.
6487         (Layout::segment_precedes): Sort large data segments after other
6488         load segments.
6489         (align_file_offset): New static function.
6490         (Layout::set_segment_offsets): Use align_file_offset.
6491         * output.h (class Output_section): Add is_small_section_ and
6492         is_large_section_ fields.
6493         (Output_section::is_small_section): New function.
6494         (Output_section::set_is_small_section):  New function.
6495         (Output_section::is_large_section): New function.
6496         (Output_section::set_is_large_section): New function.
6497         (Output_section::is_large_data_section): New function.
6498         (class Output_segment): Add is_large_data_segment_ field.
6499         (Output_segment::is_large_data_segment): New function.
6500         (Output_segment::set_is_large_data_segment): New function.
6501         * output.cc (Output_section::Output_section): Initialize new
6502         fields.
6503         (Output_segment::Output_segment): Likewise.
6504         (Output_segment::add_output_section): Add assertion that large
6505         data sections always go in large data segments.  Force small data
6506         sections to the end of the list of data sections.  Force small BSS
6507         sections to the start of the list of BSS sections.  For large BSS
6508         sections to the end of the list of BSS sections.
6509         * symtab.h (class Symbol): Declare is_common_shndx.
6510         (Symbol::is_defined): Check Symbol::is_common_shndx.
6511         (Symbol::is_common): Likewise.
6512         (class Symbol_table): Define enum Commons_section_type.  Update
6513         declarations.  Add small_commons_ and large_commons_ fields.
6514         * symtab.cc (Symbol::is_common_shndx): New function.
6515         (Symbol_table::Symbol_table): Initialize new fields.
6516         (Symbol_table::add_from_object): Put small and large common
6517         symbols in the right list.
6518         (Symbol_table::sized_finalized_symbol): Check
6519         Symbol::is_common_shndx.
6520         (Symbol_table::sized_write_globals): Likewise.
6521         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6522         common symbol lists.  Don't call do_allocate_commons_list if the
6523         list is empty.
6524         (Symbol_table::do_allocate_commons_list): Remove is_tls
6525         parameter.  Add comons_section_type parameter.  Change all
6526         callers.  Handle small and large common symbols.
6527         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6528         Symbol::is_common_shndx.
6529         * resolve.cc (symbol_to_bits): Likewise.
6530         * target.h (Target::small_common_shndx): New function.
6531         (Target::small_common_section_flags): New function.
6532         (Target::large_common_shndx): New function.
6533         (Target::large_common_section_flags): New function.
6534         (Target::new_output_section): New function.
6535         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6536         small_common_section_flags, and large_common_section_flags
6537         fields.
6538         (Target::do_new_output_section): New virtual function.
6539         * arm.cc (Target_arm::arm_info): Initialize new fields.
6540         * i386.cc (Target_i386::i386_info): Likewise.
6541         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6542         Likewise.
6543         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6544         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6545         (Target_x86_64::do_new_output_section): New function.
6546         * configure.ac: Define conditional MCMODEL_MEDIUM.
6547         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6548         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6549         (large_LDFLAGS): Define.
6550         * testsuite/large.c: New file.
6551         * testsuite/testfile.cc (Target_test::test_target_info):
6552         Initialize new fields.
6553         * configure, testsuite/Makefile.in: Rebuild.
6554
6555 2009-06-05  Doug Kwan  <dougkwan@google.com>
6556
6557         * Makefile.am (CCFILES): Add target.cc.
6558         * Makefile.in: Regenerate.
6559         * i386.cc (class Target_i386): Define new virtual method to
6560         override do_is_local_label_name in parent.
6561         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6562         local symbols if --discard-locals or -X is given.
6563         * options.h (class General_options): Declare new options
6564         '--discard-locals' and '-X' for discarding locals.
6565         * target.h (class Target): Define new methods is_local_label_name.
6566         Declare new virtual method do_is_local_label_name.
6567         * target.cc: New file.
6568         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6569         (check_SCRIPTS): Add discard_locals_test.sh.
6570         (check_DATA): Add discard_local_tests.syms.
6571         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6572         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6573         * testsuite/Makefile.in: Regenerate.
6574         * testsuite/discard_locals_test.c: New file.
6575         * testsuite/discard_locals_test.sh: Same.
6576
6577 2009-06-05  Doug Kwan  <dougkwan@google.com>
6578
6579         * object.cc (Sized_relobj::Sized_relobj): Initialize
6580         discarded_eh_frame_shndx_ to -1U.
6581         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6582         section.
6583         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6584         a discarded .eh_frame section.
6585         (Sized_relobj::do_finalize_local_symbols): Ditto.
6586         * object.h (class Sized_relobj): Declare new member
6587         discarded_eh_frame_shndx_.
6588         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6589         (local_labels_test.o, local_labels_test): New rules.
6590         * testsuite/Makefile.in: Regenerate.
6591
6592 2009-06-04  Doug Kwan  <dougkwan@google.com>
6593
6594         * layout.cc (Layout::section_name_mapping): Add mapping for
6595         special ARM sections.
6596
6597 2009-06-03  Doug Kwan  <dougkwan@google.com>
6598
6599         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6600         (utils::has_overflow): Same.
6601
6602 2009-06-03  Ian Lance Taylor  <iant@google.com>
6603
6604         * layout.cc (Layout::section_name_mapping): New array, replacing
6605         Layout::linkonce_mapping.
6606         (Layout::section_name_mapping_count): New variable, replacing
6607         Layout::linkonce_mapping_count.
6608         (Layout::linkonce_output_name): Remove.
6609         (Layout::output_section_name): Rewrite.
6610         * layout.h (class Layout): Rename Linkonce_mapping to
6611         Section_name_mapping, linkonce_mapping to section_name_mapping,
6612         linkonce_mapping_count to section_name_mapping_count.  Don't
6613         declare linkonce_output_name.
6614
6615 2009-06-03  Doug Kwan  <dougkwan@google.com>
6616
6617         * gold/arm.cc (namespace utils): New.
6618         (Target_arm::reloc_is_non_pic): Define new method.
6619         (class Arm_relocate_functions): New.
6620         (Target_arm::Relocate::relocate): Handle relocation types used by
6621         Android.
6622
6623 2009-06-03  Ian Lance Taylor  <iant@google.com>
6624
6625         * arm.cc (Target_arm::scan::global): Use || instead of |.
6626
6627 2009-06-02  Doug Kwan  <dougkwan@google.com>
6628
6629         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6630         issued_non_pic_error_.
6631         (class Target_arm::Scan): Declare new method check_non_pic.
6632         Define new method symbol_needs_plt_entry.
6633         Declare new data member issued_non_pic_error_.
6634         (class Target_arm::Relocate): Declare new method
6635         should_apply_static_reloc.
6636         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6637         (Target_arm::Scan::check_non_pic): Define new method.
6638         (Target_arm::Scan::local): Handle a small subset of reloc types used
6639         by Android.
6640         (Target_arm::Scan::local): Same.
6641         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6642
6643 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6644
6645         * incremental.cc (Incremental_inputs::report_command_line): Filter
6646         out --incremental-* options.
6647
6648 2009-05-29  Doug Kwan  <dougkwan@google.com>
6649
6650         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6651         template class.
6652         (class Target_arm): Update comment.
6653         (Target_arm::Target_arm): Initialize new data members GOT_,
6654         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6655         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6656         and Target_arm::rel_dyn_section.
6657         Declare new_enum Target_arm::Got_type.
6658         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6659         and DYNBSS_.
6660         Update commments for member do_dynsym_value.
6661         (Target_arm::got_size, Target_arm::plt_section,
6662         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6663         new methods inside class defintion.
6664         (Target_arm::got_section): Define new method.
6665         (Target_arm::rel_dyn_section): Same.
6666         (Output_data_plt_arm): New template class.
6667         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6668         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6669         (Output_data_plt_arm::add_entry): Same.
6670         (Output_data_plt_arm::first_plt_entry): Define new
6671         static data member for PLT instruction template.
6672         (Output_data_plt_arm::plt_entry): Same.
6673         (Output_data_plt_arm::do_write): Define new method.
6674         (Target_arm::make_plt_entry): Same.
6675         (Target_arm::do_finalize_sections): Same.
6676         (Target_arm::do_dynsym_value): Same.
6677
6678 2009-05-28  Doug Kwan  <dougkwan@google.com>
6679
6680         * Makefile.am (TARGETSOURCES): Add arm.cc.
6681         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6682         * Makefile.in: Regenerate.
6683         * arm.cc: New file.
6684         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6685
6686 2009-05-26  Doug Kwan  <dougkwan@google.com>
6687
6688         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6689         (General_options::check_excluded_libs): Strip off directories in
6690         archive name before matching like GNU ld does.
6691         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6692         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6693         (exclude_libs_test_LDFLAGS): Add linker option
6694         -Wl,--exclude-libs,libexclude_libs_test_3
6695         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6696         an explicit archive without using -l.
6697         (alt/libexclude_libs_test_3.a): New make rule.
6698         * testsuite/Makefile.in: Regenerate.
6699         * testsuite/exclude_libs_test.c : Declare lib3_default().
6700         (main): Call it.
6701         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6702         * exclude_libs_test_3.c: New file.
6703
6704 2009-05-26  Nick Clifton  <nickc@redhat.com>
6705
6706         * po/id.po: New Indonesian translation.
6707         * po/gold.pot: Updated template file.
6708
6709 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6710
6711         * testsuite/Makefile.am: Add -ffunction-sections to compile
6712         gc_comdat_test files.  Add -Wl,--gc-sections to build
6713         gc_comdat_test.
6714         * testsuite/Makefile.in: Regenerate.
6715         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6716
6717 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6718
6719         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6720         kept comdat section was garbage collected.
6721         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6722         * testsuite/Makefile.in: Regenerate.
6723         * testsuite/gc_comdat_test.sh: New file.
6724         * testsuite/gc_comdat_test_1.cc: New file.
6725         * testsuite/gc_comdat_test_2.cc: New file.
6726
6727 2009-05-19  Doug Kwan  <dougkwan@google.com>
6728
6729         * archive.cc (Archive::Archive): Move constructor from archive.h
6730         to here.  Initialize no_export_.
6731         (Archive::get_elf_object_for_member): Set no_export flag of object.
6732         * archive.h (Archive::Archive): Move constructor body to
6733         archive.cc.
6734         (Archive::no_export): New method.
6735         (Archive::no_export_): New field.
6736         * object.h (Object::Object): Initialize no_export_ to false.
6737         (Object::no_export, Object::set_no_export): New methods.
6738         (Object::no_export_): New field.
6739         * options.cc (General_options::parse_exclude_libs): New method.
6740         (General_options::check_excluded_libs) Same.
6741         * options.h (exclude_libs): New option.
6742         (General_options::check_excluded_libs): New method declaration.
6743         (General_options::excluded_libs_): New field.
6744         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6745         default or protected visibility if an object has no-export flag set.
6746         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6747         (check_SCRIPTS): Add exclude_libs_test.sh.
6748         (check_DATA): Add exclude_libs_test.syms.
6749         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6750         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6751         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6752         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6753         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6754         libexclude_libs_test_2.a): New rules.
6755         * testsuite/Makefile.in: Regenerate.
6756         * testsuite/exclude_libs_test.c: New file.
6757         * testsuite/exclude_libs_test.sh: Ditto.
6758         * testsuite/exclude_libs_test_1.c: Ditto.
6759         * testsuite/exclude_libs_test_2.c: Ditto.
6760
6761 2009-05-15  Ian Lance Taylor  <iant@google.com>
6762
6763         * configure.ac: Check for declarations for cases where libiberty.h
6764         checks HAVE_DECL_xxx.
6765         * configure, config.in: Rebuild.
6766
6767 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6768
6769         * gold.h (Incremental_argument_list): Remove (invalid) forward
6770         declaration.
6771         * incremental.cc (Incremental_inputs::report_achive): New method.
6772         (Incremental_inputs::report_object): New method.
6773         (Incremental_inputs::report_script): New method.
6774         (Incremental_inputs::finalize_inputs): New method.
6775         (Incremental_inputs::finalize): Call finalize_inputs().
6776         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6777         Create inputs entries.
6778         * incremental.h (Incremental_input_type): New enum.
6779         (Incremental_inputs::Incremental_input): Initialize new fields.
6780         (Incremental_inputs::report_inputs): New method.
6781         (Incremental_inputs::report_achive): New method.
6782         (Incremental_inputs::report_object): New method.
6783         (Incremental_inputs::report_script): New method.
6784         (Incremental_inputs::finalize_inputs): New method.
6785         (Incremental_inputs::Input_info): New struct.
6786         (Incremental_inputs::Input_info_map): New typedef.
6787         (Incremental_inputs::lock_): New field.
6788         (Incremental_inputs::Inputs_): New field.
6789         (Incremental_inputs::Inputs_map): New field.
6790         * main.cc (main): Call Incremental_input::report_inputs.
6791         * options.h (Input_argument_list): Typedef moved from
6792         Input_arguments.
6793         (Input_file_group::Files): Remove, use ::Input_argument_list.
6794         (Input_file_group::Input_argument_list): Remove, use
6795         ::Input_argument_list.
6796         * plugin.cc (Plugin_manager::add_input_file): Add error in
6797         incremental build.
6798         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6799         functions.
6800         * script.cc (read_input_script): Call
6801         Incremental_input::report_script.
6802         * script.h (Script_info): New class.
6803
6804 2009-04-27  Ian Lance Taylor  <iant@google.com>
6805
6806         * x86_64.cc (do_adjust_output_section): Set entsize to
6807         plt_entry_size.
6808
6809 2009-04-23  Elliott Hughes  <enh@google.com>
6810
6811         * output.cc (Output_file::close): After short writes, continue
6812         writing from the correct offset in the buffer being written.
6813
6814 2009-04-23  Chris Demetriou  <cgd@google.com>
6815
6816         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6817         * configure: Regenerate.
6818         * config.in: Regenerate.
6819         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6820         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6821
6822 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6823
6824         * incremental.cc (Incremental_inputs_header_data): Renamed from
6825         Incremental_input_header_data.
6826         (Incremental_inputs_header_data::data_size): New field.
6827         (Incremental_inputs_header_data::put_input_file_count): Renamed
6828         from input_file_count.
6829         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6830         from command_line_offset.
6831         (Incremental_inputs_header_data::put_reserved): Renamed from
6832         put_reserved.
6833         (Incremental_inputs_entry_data): Renamed from
6834         Incremental_input_entry_data.
6835         (Incremental_inputs_entry_data::data_size): New field.
6836         (Incremental_inputs::report_command_line): New method.
6837         (Incremental_inputs::finalize): New method.
6838         (Incremental_inputs::create_incremental_inputs_data): New method.
6839         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6840         * incremental.h: New file.
6841         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6842        (Layout::finalize): Create incremental inputs section in
6843         incremental builds.
6844        (Layout::create_incremental_info_sections): New method.
6845         * layout.h (Layout::incremental_inputs): New method.
6846        (Layout::create_incremental_info_sections): New method.
6847        (Layout::incremental_inputs_): New field.
6848         * main.cc (main): Notify Incremental_input of the command line.
6849
6850 2009-04-01  Ian Lance Taylor  <iant@google.com>
6851             Mikolaj Zalewski  <mikolajz@google.com>
6852
6853         * gold.h (reserve_unordered_map): Define, three versions, one for
6854         each version of Unordered_map.
6855         * layout.cc (Layout::Layout): Remove options parameter.  Add
6856         number_of_input_files parameter.  Don't initialize options_.
6857         Initialize number_of_input_files_ and resized_signatures_.  Move
6858         sections_are_attached_.
6859         (Layout::layout_group): Reserve space for group_signatures_.
6860         (Layout::find_or_add_kept_section): Change name parameter to be a
6861         reference.  Resize signatures_ map when it gets large enough.
6862         (Layout::layout_eh_frame): Use parameters->options() instead of
6863         this->options_.
6864         (Layout::make_output_section): Likewise.
6865         (Layout::attach_allocated_section_to_segment): Likewise.
6866         (Layout::finalize, Layout::create_executable_stack): Likewise.
6867         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6868         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6869         * layout.h (class Layout): Update declarations.  Remove options_
6870         field.  Add number_of_input_files_ and resized_signatures_
6871         fields.  Move sections_are_attached_ field.
6872         * main.cc (main): Pass number of input files to Layout
6873         constructor.  Don't pass options.
6874
6875 2009-03-30  Ian Lance Taylor  <iant@google.com>
6876
6877         * ffsll.c (ffsll): Correct implementation.
6878
6879 2009-03-27  Ian Lance Taylor  <iant@google.com>
6880
6881         * ffsll.c: New file.
6882         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6883         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6884         * ftruncate.c (ftruncate): Declare before definition.
6885         * mremap.c (mremap): Likewise.
6886         * pread.c (pread): Likewise.
6887         * configure, Makefile.in, config.in: Rebuild.
6888
6889         * mremap.c: New file.
6890         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6891         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6892         (mremap): Declare if HAVE_MREMAP is not defined.
6893         * configure, Makefile.in, config.in: Rebuild.
6894
6895 2009-03-27  Cary Coutant  <ccoutant@google.com>
6896
6897         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6898         position independent.
6899         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6900         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6901
6902 2009-03-24  Cary Coutant  <ccoutant@google.com>
6903
6904         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6905         an executable.
6906         (needs_dynamic_reloc): Likewise.
6907
6908 2009-03-24  Ian Lance Taylor  <iant@google.com>
6909
6910         * yyscript.y (file_cmd): Recognize EXTERN.
6911         (extern_name_list, extern_name_list_body): New nonterminals.
6912         * script.cc (script_add_extern): Define.
6913         * script-c.h (script_add_extern): Declare.
6914
6915 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6916
6917         * object.cc (is_elf_object): Define.
6918         * object.h (is_elf_object): Declare.
6919         * archive.cc (Archive::get_elf_object_for_member): Call
6920         is_elf_object.
6921         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6922
6923 2009-03-24  Elliott Hughes  <enh@google.com>
6924
6925         * output.cc (Output_file::map_anonymous): Define.
6926         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6927         try an anonymous one.  Report the size if the mmap fails.
6928         * output.h (class Output_file): Declare map_anonymous.
6929
6930 2009-03-24  Ian Lance Taylor  <iant@google.com>
6931
6932         * target-select.cc (instantiate_target): Don't acquire the lock if
6933         the instantiated_target_ field has already been set.
6934
6935 2009-03-23  Ian Lance Taylor  <iant@google.com>
6936
6937         * gold-threads.h (class Initialize_lock): Define.
6938         * gold-threads.cc (class Initialize_lock_once): Define.
6939         (initialize_lock_control): New static variable.
6940         (initialize_lock_pointer): New static variable.
6941         (initialize_lock_once): New static function.
6942         (Initialize_lock::Initialize_lock): Define.
6943         (Initialize_lock::initialize): Define.
6944         * target-select.h: Include "gold-threads.h".
6945         (class Target_selector): Add lock_ and initialize_lock_ fields.
6946         Don't define instantiate_target, just declare it.
6947         * target-select.cc (Target_selector::Target_selector): Initialize
6948         new fields.
6949         (Target_selector::instantiate_target): Define.
6950         * descriptors.h: Include "gold-threads.h".
6951         (class Descriptors): Add initialize_lock_ field.
6952         * descriptors.cc (Descriptors::Descriptors): Initialize new
6953         field.
6954         (Descriptors::open): Use initialize_lock_ field
6955         * errors.h (class Errors): Add initialize_lock_ field.
6956         * errors.cc (Errors::Errors): Initialize new field.
6957         (Errors::initialize_lock): Use initialize_lock_ field.
6958         * powerpc.cc (class Target_selector_powerpc): Remove
6959         instantiated_target_ field.  In do_recognize call
6960         instantiate_target rather than do_instantiate_target.  In
6961         do_instantiate_target just allocate a new target.
6962         * sparc.cc (class Target_selector_sparc): Likewise.
6963
6964         * freebsd.h: New file.
6965         * i386.cc: Include "freebsd.h".
6966         (Target_i386): Derive from Target_freebsd rather than
6967         Sized_target.
6968         (Target_selector_i386): Derive from Target_selector_freebsd rather
6969         than Target_selector.
6970         * x86_64.cc: Include "freebsd.h".
6971         (Target_x86_64): Derive from Target_freebsd rather than
6972         Sized_target.
6973         (Target_selector_x86_64): Derive from Target_selector_freebsd
6974         rather than Target_selector.
6975         * target.h (class Target): Add adjust_elf_header and
6976         do_adjust_elf_header.
6977         * output.cc (Output_file_header:: do_sized_write): Call target
6978         adjust_elf_header routine.
6979         * configure.tgt: Set targ_osabi.
6980         * configure.ac: Define GOLD_DEFAULT_OSABI.
6981         * parameters.cc (Parameters::default_target): Pass
6982         GOLD_DEFAULT_OSABI to select_target.
6983         * target-select.h (class Target_selector): Make instantiate_target
6984         protected rather than private.
6985         * Makefile.am (HFILES): Add freebsd.h.
6986         * configure, Makefile.in, config.in: Rebuild.
6987
6988         * merge.cc (do_add_input_section): Correct pend value.  Change
6989         message about last entry not being null terminated from error to
6990         warning.
6991
6992 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6993
6994         * incremental.cc: New file.
6995         * Makefile.am (CCFILES): Add incremental.cc.
6996         * Makefile.in: Rebuild.
6997
6998 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6999
7000         * layout.cc (Layout::output_section_name): Preserve names
7001         of '.note.' sections.
7002
7003 2009-03-19  Ian Lance Taylor  <iant@google.com>
7004
7005         * descriptors.cc (Descriptors::open): Check that the options are
7006         valid before using them.
7007
7008 2009-03-18  Ian Lance Taylor  <iant@google.com>
7009
7010         * script-sections.h: Include <list>.
7011         (class Script_sections): Change Sections_elements from std::vector
7012         to std::list.  Typedef public Elements_iterator.  Add
7013         orphan_section_placement_, data_segment_align_start_, and
7014         saw_data_segment_align_ fields.  Remove data_segment_align_index_
7015         field.
7016         * script-sections.cc (class Orphan_section_placement): New class.
7017         (class Sections_element): Add virtual functions is_relro and
7018         orphan_section_init.  Remove virtual function place_orphan_here.
7019         (class Output_section_definition): Add is_relro and
7020         orphan_section_init.  Remove place_orphan_here.
7021         (class Orphan_output_section): Likewise.
7022         (Script_sections::Script_sections): Update for field changes.
7023         (Script_sections::data_segment_align): Set saw_data_segment_align_
7024         and data_segment_align_start_, not data_segment_align_index.
7025         (Script_sections::data_segment_relro_end): Check
7026         saw_data_segment_align_.  Use data_segment_align_start_ rather
7027         than data_segment_align_index_.
7028         (Script_sections::place_orphan): Rewrite to use
7029         Orphan_section_placement.
7030
7031 2009-03-17  Ian Lance Taylor  <iant@google.com>
7032
7033         * archive.cc (Archive::add_symbols): Check for a version attached
7034         to the symbol name in the archive map.
7035         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
7036         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
7037         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
7038         (ver_test_11.a): New target.
7039         * testsuite/Makefile.in: Rebuild.
7040
7041         * configure.ac: Check for chsize and posix_fallocate.  Replace
7042         ftruncate.
7043         * ftruncate.c: New file, from gnulib.
7044         * output.cc (posix_fallocate): Define dummy version if not
7045         HAVE_POSIX_FALLOCATE.
7046         (Output_file::map): Call posix_fallocate rather than lseek and
7047         write.
7048         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
7049         * configure, Makefile.in, config.in: Rebuild.
7050
7051 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
7052
7053         * layout.h (Layout::create_note): Add section_name parameter.
7054         * layout.cc (Layout::create_note): Likewise.
7055         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
7056
7057 2009-03-17  Ian Lance Taylor  <iant@google.com>
7058
7059         * descriptors.cc: Include "options.h".
7060         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
7061         (Descriptors::open): Always use O_CLOEXEC when opening a new
7062         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
7063         then set FD_CLOEXEC.
7064
7065         * sparc.cc (class Target_sparc): Add has_got_section.
7066         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
7067         make sure we have a GOT section.
7068
7069         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
7070         (Target_sparc::Scan::local): Likewise.
7071         (Target_sparc::Scan::global): Likewise.
7072         (Target_sparc::Relocate::relocate): Likewise.
7073         (Target_sparc::Relocate::relocate_tls): Likewise.
7074
7075         * symtab.cc (Symbol_table::define_default_version): New function,
7076         broken out of add_from_object.
7077         (Symbol_table::add_from_object): Call define_default_version.
7078         (Symbol_table::define_special_symbol): Add resolve_oldsym
7079         parameter.  Change all callers.  If the version for a symbol comes
7080         from a version script, resolve it with the symbol with the same
7081         name with no version.  Also add the symbol without a version if
7082         appropriate.
7083         (do_define_in_output_data): If resolving with oldsym, don't delete
7084         sym.
7085         (do_define_in_output_segment): Likewise.
7086         (do_define_as_constant): Likewise.
7087         * symtab.h (class Symbol_table): Update declarations.
7088
7089 2009-03-13  Ian Lance Taylor  <iant@google.com>
7090
7091         * readsyms.cc (Read_symbols::incompatible_warning): New function.
7092         (Read_symbols::requeue): New function.
7093         (Read_symbols::do_read_symbols): If make_elf_object fails because
7094         the target type is not configured, and the file was searched for,
7095         issue a warning and retry with the next directory.
7096         (Add_symbols::run): If the file has an incompatible format, and
7097         it was searched for, requeue the Read_symbols task.  On error,
7098         release the object.
7099         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
7100         dirindex parameter to constructor.  Change all callers.  Declare
7101         incompatible_warning and requeue.
7102         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
7103         input_argument_ and input_group_ fields.  Add them to
7104         constructor.  Change all callers.
7105         (class Read_script): Add dirindex_ field.  Add it to constructor.
7106         Change all callers.
7107         * archive.cc (Archive::setup): Remove input_objects parameter.
7108         Change all callers.
7109         (Archive::get_file_and_offset): Likewise.
7110         (Archive::read_all_symbols): Likewise.
7111         (Archive::read_symbols): Likewise.
7112         (Archive::get_elf_object_for_member): Remove input_objects
7113         parameter.  Add punconfigured parameter.  Change all callers.
7114         (Archive::add_symbols): Change return type to bool.  Check return
7115         value of include_member.
7116         (Archive::include_all_members): Likewise.
7117         (Archive::include_member): Change return type to bool.  Return
7118         false if first included object has incompatible target.  Set
7119         included_member_ field.
7120         (Add_archive_symbols::run): If add_symbols returns false, requeue
7121         Read_symbols task.
7122         * archive.h (class Archive): Add included_member_ field.
7123         Initialize it in constructor.  Add input_file and searched_for
7124         methods.  Update declarations.
7125         (class Add_archive_symbols): Add dirpath_, dirindex_, and
7126         input_argument_ fields.  Add them to constructor.  Change all
7127         callers.
7128         * script.cc: Include "target-select.h".
7129         (class Parser_closure): Add skip_on_incompatible_target_ and
7130         found_incompatible_target_ fields.  Add
7131         skip_on_incompatible_target parameter to constructor.  Change all
7132         callers.  Add methods skip_on_incompatible_target,
7133         clear_skip_on_incompatible_target, found_incompatible_target, and
7134         set_found_incompatible_target.
7135         (read_input_script): Add dirindex parameter.  Change all callers.
7136         If parser finds an incompatible target, requeue Read_symbols
7137         task.
7138         (script_set_symbol): Clear skip_on_incompatible_target in
7139         closure.
7140         (script_add_assertion, script_parse_option): Likewise.
7141         (script_start_sections, script_add_phdr): Likewise.
7142         (script_check_output_format): New function.
7143         * script.h (read_input_script): Update declaration.
7144         * script-c.h (script_check_output_format): Declare.
7145         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
7146         (ignore_cmd): Remove OUTPUT_FORMAT.
7147         * fileread.cc (Input_file::Input_file): Add explicit this.
7148         (Input_file::will_search_for): New function.
7149         (Input_file::open): Add pindex parameter.  Change all callers.
7150         * fileread.h (class Input_file): Add input_file_argument method.
7151         Declare will_search_for.  Update declarations.
7152         * object.cc (make_elf_object): Add punconfigured parameter.
7153         Change all callers.
7154         * object.h (class Object): Make input_file public.  Add
7155         searched_for method.
7156         (make_elf_object): Update declaration.
7157         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
7158         restart search.
7159         * dirsearch.h (class Dirsearch): Update declaration.
7160         * options.h (class General_options): Add --warn-search-mismatch.
7161         * parameters.cc (Parameters::is_compatible_target): New function.
7162         * parameters.h (class Parameters): Declare is_compatible_target.
7163         * workqueue.cc (Workqueue::add_blocker): New function.
7164         * workqueue.h (class Workqueue): Declare add_blocker.
7165
7166         * fileread.cc (Input_file::open): Remove options parameter.
7167         Change all callers.
7168         (Input_file::open_binary): Likewise.
7169         * script.cc (read_input_script): Likewise.
7170         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
7171         options parameter from constructor.  Change all callers.
7172         (class Read_script): Likewise.
7173         * fileread.h (class Input_file): Update declarations.
7174         * script.h (read_input_script): Update declaration.
7175
7176 2009-03-10  Nick Clifton  <nickc@redhat.com>
7177
7178         * po/es.po: New Spanish translation.
7179
7180 2009-03-06  Cary Coutant  <ccoutant@google.com>
7181
7182         * options.cc (parse_short_option): Keep dash_z from registering itself.
7183
7184 2009-03-03  Ian Lance Taylor  <iant@google.com>
7185
7186         PR 9918
7187         * target-reloc.h (relocate_section): Pass output_section to
7188         relocate.
7189         * i386.cc (Target_i386::should_apply_static_reloc): Add
7190         output_section parameter.  Change all callers.
7191         (Target_i386::Relocate::relocate): Add output_section parameter.
7192         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7193         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
7194         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
7195         * testsuite/two_file_shared.sh: New script.
7196         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
7197         (check_DATA): Add two_file_shared.dbg.
7198         (two_file_shared.dbg): New target.
7199         * testsuite/Makefile.in: Rebuild.
7200
7201 2009-03-01  Ian Lance Taylor  <iant@google.com>
7202
7203         * configure.ac: Check for byteswap.h.
7204         * configure: Rebuild.
7205         * config.in: Rebuild.
7206
7207 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
7208
7209         * layout.cc (Layout::find_or_add_kept_section): New function.
7210         (Layout::add_comdat): Removed.
7211         * layout.h (struct Kept_section): Move out of class Layout.
7212         Remove trailing underscores from field names.  Add group_sections
7213         field.  Rename group_ field to is_group.  Change all uses.
7214         (class Layout): Declare find_or_add_kept_section, not add_comdat.
7215         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
7216         comdat_groups_ field.
7217         (Sized_relobj::include_section_group): Use
7218         find_or_add_kept_section and Kept_section::group_sections.
7219         (Sized_relobj::include_linkonce_section): Likewise.
7220         * object.cc (class Sized_relobj): Don't define Comdat_group or
7221         Comdat_group_table.  Remove find_comdat_group and
7222         add_comdat_group.  Remove comdat_groups_ field.
7223         * plugin.cc (include_comdat_group): Use
7224         Layout::find_or_add_kept_section.
7225
7226 2009-02-28  Ian Lance Taylor  <iant@google.com>
7227
7228         * README: --gc-sections and map files are now supported.  Document
7229         some build requirements.
7230
7231         PR 6992
7232         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
7233         relocatable link set the value of the section symbol to zero.
7234         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7235         relocatable link don't include the section address in the local
7236         symbol value.
7237
7238 2009-02-27  Ian Lance Taylor  <iant@google.com>
7239
7240         PR 6811
7241         * options.h (class Search_directory): Add is_system_directory.
7242         (class General_options): Declare is_in_system_directory.
7243         * options.cc (get_relative_sysroot): Make static.
7244         (get_default_sysroot): Make static.
7245         (General_optoins::is_in_system_directory): New function.
7246         * fileread.cc (Input_file::is_in_system_directory): New function.
7247         * fileread.h (class Input_file): Declare is_in_system_directory.
7248         * object.h (class Object): Add is_in_system_directory.
7249         (class Input_objects): Remove system_library_directory_ field.
7250         * object.cc (Input_objects::add_object): Don't set
7251         system_library_directory_.
7252         (input_objects::found_in_system_library_directory): Remove.
7253         * symtab.cc (Symbol_table::write_globals): Remove input_objects
7254         parameter.  Change all callers.
7255         (Symbol_table::sized_write_globals): Likewise.
7256         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
7257         Call Object::is_in_system_directory.
7258         * symtab.h (class Symbol_table): Update declarations.
7259
7260         PR 5990
7261         * descriptors.h (Open_descriptor): Add is_on_stack field.
7262         * descriptors.cc (Descriptors::open): If the descriptor is on the
7263         top of the stack, remove it.  Initialize is_on_stack field.
7264         (Descriptors::release): Only add pod to stack if it is not on the
7265         stack already.
7266         (Descriptors::close_some_descriptor): Clear stack_next and
7267         is_on_stack fields.
7268
7269         PR 7091
7270         * output.cc (Output_section::find_starting_output_address): Rename
7271         from starting_output_address; add PADDR parameter; change return
7272         type.
7273         * output.h (class Output_section): Declare
7274         find_starting_output_address instead of starting_output_address.
7275         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7276         section symbol for which we can't find a merge section.
7277
7278         PR 9836
7279         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7280         hidden or internal, force the symbol to be local.
7281         * resolve.cc (Symbol::override_visibility): Define.
7282         (Symbol::override_base): Use override_visibility.
7283         (Symbol_table::resolve): Likewise.
7284         (Symbol::override_base_with_special): Likewise.
7285         (Symbol_table::override_with_special): If the visibility is hidden
7286         or internal, force the symbol to be local.
7287         * symtab.h (class Symbol): Add set_visibility and
7288         override_visibility.
7289         * testsuite/ver_test_1.sh: New file.
7290         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7291         (check_DATA): Add ver_test_1.syms.
7292         (ver_test_1.syms): New target.
7293         * testsuite/Makefile.in: Rebuild.
7294
7295 2009-02-25  Cary Coutant  <ccoutant@google.com>
7296
7297         * layout.cc (Layout::choose_output_section): Don't rename sections
7298         when using a linker script that has a SECTIONS clause.
7299         * Makefile.in: Regenerate.
7300
7301         * testsuite/Makefile.am (script_test_5.sh): New test case.
7302         * testsuite/Makefile.in: Regenerate.
7303         * testsuite/script_test_5.cc: New file.
7304         * testsuite/script_test_5.sh: New file.
7305         * testsuite/script_test_5.t: New file.
7306
7307 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7308
7309         * archive.cc (Archive::include_member): Update calls to add_symbols.
7310         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7311         the Layout argument.
7312         * dynobj.h (do_add_symbols): Add the Layout argument.
7313         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7314         Layout argument.
7315         * object.h (Object::add_symbols): Add the Layout argument.
7316         (Object::do_add_symbols): Add the Layout argument.
7317         (Sized_relobj::do_add_symbols): Add the Layout argument.
7318         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7319         Unify the two versions.
7320         (Add_plugin_symbols): Remove.
7321         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7322         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7323         (Add_plugin_symbols): Remove.
7324         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7325         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7326         (Add_symbols::run): Make it work with Pulginobj.
7327
7328 2009-02-06  Ian Lance Taylor  <iant@google.com>
7329
7330         * object.cc (Sized_relobj::do_layout): Make info message start
7331         with lower case letter.
7332
7333 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7334
7335         * binary.cc: Fix file comment.
7336
7337         * options.h (enum Incremental_disposition): Define.
7338         (class General_options): Add new options: --incremental,
7339         --incremental_changed, --incremental_unchanged,
7340         --incremental_unknown.  Add incremental_disposition_ and
7341         implicit_incremental_ fields.
7342         (General_options::incremental_disposition): New function.
7343         (class Position_dependent_options): Add incremental_disposition
7344         option.
7345         (Position_dependent_options::copy_from_options): Set incremental
7346         dispositions.
7347         * options.cc (General_options::parse_incremental_changed): New
7348         function.
7349         (General_options::parse_incremental_unchanged): New function.
7350         (General_options::parse_incremental_unknown): New function.
7351         (General_options::General_options): Initialize new fields
7352         incremental_disposition_ and implicit_incremental_.
7353         (General_options::finalize): Check for uasge of --incremental-*
7354         without --incremental.
7355
7356 2009-02-06  Chris Demetriou  <cgd@google.com>
7357
7358         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7359         pointer and to report location as the file name associated with
7360         the symbol.
7361         (gold_undefined_symbol_at_location): New function to replace the
7362         old gold_undefined_symbol functionality.
7363         * target-reloc.h (relocate_section): Update to use
7364         gold_undefined_symbol_at_location.
7365         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7366         Call gold_undefined_symbol function rather than gold_error.
7367         * errors.h (Errors::undefined_symbol): Take location as a
7368         string, rather than calculating it from a relocation.
7369         * errors.cc (Errors::fatal): Print "fatal error:" before the
7370         formatted message.
7371         (Errors::error, Errors::error_at_location): Print "error: "
7372         before the formatted message.
7373         (Errors::undefined_symbol): Take location as a string, rather
7374         than calculating it from a relocation.
7375         (gold_undefined_symbol_at_location): New function akin to
7376         old gold_undefined_symbol, calculates location from relocation.
7377         (gold_undefined_symbol): Change to take only a Symbol pointer
7378         and to report location as the file name associated with the symbol.
7379         * testsuite/debug_msg.sh: Update for changed error messages.
7380         * testsuite/undef_symbol.sh: Likewise.
7381
7382 2009-02-04  Duncan Sands  <baldrick@free.fr>
7383
7384         PR 9812
7385         * reduced_debug_output.h
7386         (Output_reduced_debug_abbrev_section::failed): Use format for
7387         gold_warning.
7388         (Output_reduced_debug_info_section::faild): Likewise.
7389
7390 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7391
7392         * script.cc (Lazy_demangler): New class.
7393         (Version_script_info::get_symbol_version_helper): Demangle a
7394         symbol only once.
7395
7396 2009-01-29  Cary Coutant  <ccoutant@google.com>
7397
7398         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7399         to __tls_get_addr.
7400         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7401
7402 2009-01-28  Ian Lance Taylor  <iant@google.com>
7403
7404         * version.cc (version_string): Bump to 1.9.
7405
7406         * gold.h: Include <cstring> and <stdint.h>.
7407         * version.cc: Include <cstdio>.
7408         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7409         warning.
7410         * reduced_debug_output.cc (insert_into_vector): Rename from
7411         Insert_into_vector; change all callers.  Use Swap_unaligned to
7412         avoid aliasing issue; remove union since it is unnecessary.
7413
7414 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7415
7416         * Makefile.am (CCFILES): Add gc.cc.
7417         (HFILES): Add gc.h.
7418         * Makefile.in: Regenerate.
7419         * gold.cc (Gc_runner): New class.
7420         (queue_initial_tasks): Call garbage collection related tasks
7421         when corresponding options are invoked.
7422         (queue_middle_gc_tasks): New function.
7423         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7424         processed early before laying out sections during garbage collection.
7425         * gold.h (queue_middle_gc_tasks): New function.
7426         (is_prefix_of): Move from "layout.cc".
7427         * i386.cc (Target_i386::gc_process_relocs): New function.
7428         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7429         * main.cc (main): Create object of class "Garbage_collection".
7430         * object.cc (Relobj::copy_symbols_data): New function.
7431         (Relobj::is_section_name_included): New function.
7432         (Sized_relobj::do_layout): Allow this function to be called twice
7433         during garbage collection and defer layout of section during the
7434         first call.
7435         * object.h (Relobj::get_symbols_data): New function.
7436         (Relobj::is_section_name_included): New function.
7437         (Relobj::copy_symbols_data): New function.
7438         (Relobj::set_symbols_data): New function.
7439         (Relobj::get_relocs_data): New function.
7440         (Relobj::set_relocs_data): New function.
7441         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7442         (Relobj::gc_process_relocs): New function.
7443         (Relobj::do_gc_process_relocs): New pure virtual function.
7444         (Relobj::sd_): New data member.
7445         (Sized_relobj::is_output_section_offset_invalid): New function.
7446         (Sized_relobj::do_gc_process_relocs): New function.
7447         * options.h (General_options::gc_sections): Modify to not be a no-op.
7448         (General_options::print_gc_sections): New option.
7449         * plugin.cc (Plugin_finish::run): Remove function call to
7450         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7451         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7452         * reloc.cc (Read_relocs::run): Add task to process relocs and
7453         determine unreferenced sections when doing garbage collection.
7454         (Gc_process_relocs): New class.
7455         (Sized_relobj::do_gc_process_relocs): New function.
7456         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7457         sections that are garbage collected.
7458         * reloc.h (Gc_process_relocs): New class.
7459         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7460         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7461         symbols whose corresponding sections are garbage collected.
7462         (Symbol_table::Symbol_table): Add new parameter for the garbage
7463         collection object.
7464         (Symbol_table::gc_mark_undef_symbols): New function.
7465         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7466         (Symbol_table::gc_mark_dyn_syms): New function.
7467         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7468         as garbage.
7469         (Symbol_table::add_from_object): Likewise.
7470         (Symbol_table::add_from_relobj): When building shared objects, do not
7471         treat externally visible symbols as garbage.
7472         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7473         table information for static and relocatable links.
7474         * symtab.h (Symbol_table::set_gc): New function.
7475         (Symbol_table::gc): New function.
7476         (Symbol_table::gc_mark_undef_symbols): New function.
7477         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7478         (Symbol_table::gc_mark_dyn_syms): New function.
7479         (Symbol_table::gc_): New data member.
7480         * target.h (Sized_target::gc_process_relocs): New pure virtual
7481         function.
7482         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7483         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7484
7485 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7486
7487         * options.h (General_options::gc_sections): Define as a no-op for now.
7488         (General_options::no_keep_memory): Ditto.
7489         (General_options::Bshareable): Define.
7490         * options.cc (General_options::finalize): Honor -Bshareable.
7491
7492 2009-01-20  Andreas Schwab  <schwab@suse.de>
7493
7494         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7495         read the value in the contents, since we don't use it.  Use the
7496         template endianness when writing.
7497         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7498
7499 2009-01-19  Andreas Schwab  <schwab@suse.de>
7500
7501         * configure.tgt (powerpc64-*): Fix targ_obj.
7502
7503 2009-01-15  Ian Lance Taylor  <iant@google.com>
7504
7505         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7506         local symbols when stripping all symbols.
7507
7508 2009-01-14  Cary Coutant  <ccoutant@google.com>
7509
7510         * output.cc (Output_reloc): Add explicit instantiations.
7511
7512 2009-01-14  Cary Coutant  <ccoutant@google.com>
7513
7514         * archive.cc (Archive::get_elf_object_for_member): Remove call
7515         to File_read::claim_for_plugin.
7516         * descriptors.cc (Descriptors::open): Remove reference to
7517         is_claimed.
7518         (Descriptors::claim_for_plugin): Remove.
7519         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7520         (Descriptors::is_claimed): Remove.
7521         (claim_descriptor_for_plugin): Remove.
7522         * fileread.cc (File_read::claim_for_plugin): Remove.
7523         * fileread.h (File_read::claim_for_plugin): Remove.
7524         (File_read::descriptor): Reopen descriptor if necessary.
7525         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7526         (Plugin_manager::all_symbols_read): Add task parameter. Change
7527         all callers.
7528         (Plugin_manager::get_input_file): New function.
7529         (Plugin_manager::release_input_file): New function.
7530         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7531         corresponding data member.
7532         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7533         and pass to base constructor. Change all callers.
7534         (get_input_file, release_input_file): New functions.
7535         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7536         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7537         (Plugin_manager::all_symbols_read): Add task parameter.
7538         (Plugin_manager::get_input_file): New function.
7539         (Plugin_manager::release_input_file): New function.
7540         (Plugin_manager::task_): New data member.
7541         (Pluginobj::Pluginobj): Add filesize parameter.
7542         (Pluginobj::filename): New function.
7543         (Pluginobj::descriptor): New function.
7544         (Pluginobj::filesize): New function.
7545         (Pluginobj::filesize_): New data member.
7546         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7547         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7548         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7549
7550         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7551         with archive libraries.
7552         * testsuite/Makefile.in: Regenerate.
7553         * testsuite/plugin_test.c (struct sym_info): New type.
7554         (get_input_file, release_input_file): New static variables.
7555         (onload): Capture new transfer vector entries.
7556         (claim_file_hook): Stop reading at end of file according to filesize.
7557         Factor out parsing of readelf output into separate function.
7558         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7559         APIs and get the source file name from the symbol table.  Convert
7560         source file name to corresponding object file name.  Print info
7561         message when adding new input files.
7562         (parse_readelf_line): New function.
7563         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7564         * testsuite/plugin_test_2.sh: Likewise.
7565         * testsuite/plugin_test_3.sh: Likewise.
7566         * testsuite/plugin_test_4.sh: New test case.
7567
7568 2009-01-07  Ian Lance Taylor  <iant@google.com>
7569
7570         * version.cc (version_string): Bump to 1.8.
7571
7572 2008-12-23  Cary Coutant  <ccoutant@google.com>
7573
7574         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7575         * plugin.cc (Plugin_manager::finish): Rename as
7576         layout_deferred_objects.  Move cleanup to separate function.
7577         (Plugin_manager::cleanup): New function.
7578         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7579         separately.
7580         * plugin.h (Plugin_manager::finish): Rename as
7581         layout_deferred_objects.
7582         (Plugin_manager::cleanup): New function.
7583         (Plugin_manager::cleanup_done): New field.
7584
7585 2008-12-23  Cary Coutant  <ccoutant@google.com>
7586
7587         * plugin.cc (is_visible_from_outside): New function.
7588         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7589         so we don't return "IR only" status for exported symbols or -r links.
7590
7591         * testsuite/Makefile.am (plugin_test_3): New test case.
7592         * testsuite/Makefile.in: Regenerate.
7593         * testsuite/plugin_test_3.sh: New file.
7594
7595 2008-12-22  Cary Coutant  <ccoutant@google.com>
7596
7597         * object.cc (Sized_relobj::layout_section): New function.
7598         (Sized_relobj::do_layout): Defer layout of input sections until after
7599         plugin has provided replacement files.
7600         (Sized_relobj::do_layout_deferred_sections): New function.
7601         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7602         (Relobj::layout_deferred_sections): New function.
7603         (Relobj::do_layout_deferred_sections): New function.
7604         (Sized_relobj::do_layout_deferred_sections): New function.
7605         (Sized_relobj::layout_section): New function.
7606         (Sized_relobj::Deferred_layout): New structure.
7607         (Sized_relobj::deferred_layout_): New field.
7608         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7609         Change all callers.  Layout deferred sections.
7610         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7611         references.
7612         (Plugin_hook::run): Move code from do_plugin_hook inline.
7613         (Plugin_hook::do_plugin_hook): Remove.
7614         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7615         (Plugin_manager::finish): Renamed, was cleanup.
7616         (Plugin_manager::should_defer_layout): New function.
7617         (Plugin_manager::add_deferred_layout_object): New function.
7618         (Plugin_manager::Deferred_layout_list): New type.
7619         (Plugin_manager::deferred_layout_objects_): New field.
7620         (Plugin_hook::do_plugin_hook): Remove.
7621
7622 2008-12-17  Ian Lance Taylor  <iant@google.com>
7623
7624         * options.h (class General_options): Add --no case for
7625         --export-dynamic.
7626
7627 2008-12-16  Cary Coutant  <ccoutant@google.com>
7628
7629         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7630         vector.
7631         (Plugin_manager::claim_file): Create plugin object even if
7632         plugin did not call the add_symbols callback.
7633         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7634         asking for more symbols than were added.
7635         * testsuite/Makefile.am (plugin_test_1): Add test case with
7636         no global symbols.
7637         (empty.syms): New target.
7638         * testsuite/Makefile.in: Regenerate.
7639         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7640         message. Don't call add_symbols if no globals.
7641         (all_symbols_read_hook): Don't provide replacement for empty
7642         claimed file.
7643
7644 2008-12-12  Ian Lance Taylor  <iant@google.com>
7645
7646         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7647         r_type == 0 for a local symbol with r_sym == 0.
7648         (scan_relocatable_relocs): Pass r_sym to
7649         local_non_section_strategy.
7650         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7651         r_sym parameter.
7652
7653         * configure.ac: Update test for TLS descriptors: they are
7654         supported as of glibc 2.9.
7655         * configure: Rebuild.
7656
7657 2008-12-11  Ian Lance Taylor  <iant@google.com>
7658
7659         PR 7091
7660         * target-reloc.h (Default_scan_relocatable_relocs): For each
7661         function, map r_type == 0 to RELOC_DISCARD.
7662
7663 2008-12-10  Cary Coutant  <ccoutant@google.com>
7664
7665         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7666         object to override a kept COMDAT group from a plugin object.
7667
7668 2008-12-09  Ian Lance Taylor  <iant@google.com>
7669
7670         PR 7088
7671         * yyscript.y (file_cmd): Handle INPUT.
7672
7673         * testsuite/initpri1.c: Change all declarations to be full
7674         prototypes by adding void, to avoid compiler warnings.
7675
7676 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7677
7678         * options.cc (General_options::parse_plugin_opt): New.
7679         (General_options::add_plugin): The argument now is just the filename.
7680         (General_options::add_plugin_option): New.
7681         * options.h (plugin_opt): New.
7682         (add_plugin): Change argument name.
7683         (add_plugin_option): New.
7684         * plugin.cc (Plugin::load): Don't parse the plugin option.
7685         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7686         (Plugin::add_option): New.
7687         (Plugin::args_): Change type.
7688         (Plugin::filename_): New.
7689         (Plugin_manager::add_plugin_option): New.
7690         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7691         * testsuite/Makefile.in: Regenerate.
7692
7693 2008-12-05  Cary Coutant  <ccoutant@google.com>
7694
7695         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7696         Handle --strip-lto-sections option.
7697         * options.h (strip_lto_sections): New option.
7698
7699 2008-12-01  Cary Coutant  <ccoutant@google.com>
7700
7701         * plugin.cc (ld_plugin_message): Change format parameter to const.
7702         Fix mismatch between new[] and delete.
7703
7704 2008-11-14  Cary Coutant  <ccoutant@google.com>
7705
7706         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7707         instead of -1U.
7708
7709 2008-11-05  Craig Silverstein  <csilvers@google.com>
7710
7711         * options.cc (General_options::parse_dynamic_list): New function.
7712         * options.h (General_options): New flags dynamic_list,
7713         dynamic_list_data, dynamic_list_cpp_new, and
7714         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7715         (General_options::in_dynamic_list): New function.
7716         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7717         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7718         (Lex::can_continue_name): Likewise.
7719         (yylex): Likewise.
7720         (read_script_file): New parameter script_options.
7721         (read_dynamic_list): New function.
7722         (Script_options::define_dynamic_list): New function.
7723         (dynamic_list_keyword_parsecodes): New variable.
7724         (dynamic_list_keywords): New variable.
7725         * script.h (Script_options::define_dynamic_list): New function
7726         prototype.
7727         (read_dynamic_list): New function prototype.
7728         * symtab.cc (strprefix): New macro.
7729         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7730         dynamic_list_data, dynamic_list_cpp_new, and
7731         dynamic_list_cpp_typeinfo.
7732         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7733         (dynamic_list_expr): New rule.
7734         (dynamic_list_nodes): Likewise.
7735         (dynamic_list_node): Likewise.
7736         * testsuite/Makefile.am (dynamic_list): New test.
7737         * testsuite/Makefile.in: Regenerated.
7738         * testsuite/dynamic_list.t: New file.
7739         * testsuite/dynamic_list.sh: New file.
7740
7741 2008-11-05  Craig Silverstein  <csilvers@google.com>
7742
7743         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7744         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7745         (t11_last): Likewise.
7746         * testsuite/ver_test_6.c (main): Likewise.
7747
7748 2008-10-07  Cary Coutant  <ccoutant@google.com>
7749
7750         * options.c (General_options::finalize): Add check for -static and
7751         -shared.
7752         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7753         is not empty.
7754
7755 2008-10-02  Cary Coutant  <ccoutant@google.com>
7756
7757         * plugin.cc (make_sized_plugin_object): Fix conditional
7758         compilation to work when not all targets are enabled.
7759
7760 2008-09-29  Cary Coutant  <ccoutant@google.com>
7761
7762         * archive.cc (Archive::get_file_and_offset): Use filename instead
7763         of name to get library path.
7764         (Archive::include_member): Unlock external member of a thin archive.
7765
7766         * testsuite/Makefile.am (TEST_AR): New variable.
7767         (thin_archive_test_1): New test.
7768         (thin_archive_test_2): New test.
7769         * testsuite/Makefile.in: Regenerate.
7770         * testsuite/thin_archive_main.cc: New file.
7771         * testsuite/thin_archive_test_1.cc: New file.
7772         * testsuite/thin_archive_test_2.cc: New file.
7773         * testsuite/thin_archive_test_3.cc: New file.
7774         * testsuite/thin_archive_test_4.cc: New file.
7775
7776 2008-09-29  Cary Coutant  <ccoutant@google.com>
7777
7778         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7779         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7780         instead of -1U.
7781         (Sized_relobj::do_finalize_local_symbols): Likewise.
7782         (Sized_relobj::map_to_kept_section): Likewise.
7783         * object.h (Sized_relobj::invalid_address): New constant.
7784         (Sized_relobj::do_output_section_offset): Check for invalid_address
7785         and return -1ULL.
7786         * output.cc (Output_reloc::local_section_offset): Use constant
7787         invalid_address instead of -1U.
7788         (Output_reloc::get_address): Likewise.
7789         (Output_section::output_address): Change -1U to -1ULL.
7790         * output.h (Output_reloc::invalid_address): New constant.
7791         * reloc.cc (Sized_relobj::write_sections): Use constant
7792         invalid_address instead of -1U.
7793         (Sized_relobj::relocate_sections): Likewise.
7794         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7795         values for merge sections.
7796         * target-reloc.h (relocate_for_relocatable): Use constant
7797         invalid_address instead of -1U.
7798
7799 2008-09-19  Cary Coutant  <ccoutant@google.com>
7800
7801         Add plugin functionality for link-time optimization (LTO).
7802         * configure.ac (plugins): Add --enable-plugins option.
7803         * configure: Regenerate.
7804         * config.in: Regenerate.
7805         * Makefile.am (LIBDL): New variable.
7806         (CCFILES): Add plugin.cc.
7807         (HFILES): Add plugin.h.
7808         (ldadd_var): Add LIBDL.
7809         * Makefile.in: Regenerate.
7810
7811         * archive.cc: Include "plugin.h".
7812         (Archive::setup): Don't preread archive symbols when using a plugin.
7813         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7814         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7815         files.
7816         (Archive::include_member): Add symbols from plugin objects.
7817         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7818         * descriptors.cc (Descriptors::open): Check for file descriptors
7819         abandoned by plugins.
7820         (Descriptors::claim_for_plugin): New function.
7821         * descriptors.h (Descriptors::claim_for_plugin): New function.
7822         (Open_descriptor::is_claimed): New field.
7823         (claim_descriptor_for_plugin): New function.
7824         * fileread.cc (File_read::claim_for_plugin): New function.
7825         * fileread.h (File_read::claim_for_plugin): New function.
7826         (File_read::descriptor): New function.
7827         * gold.cc: Include "plugin.h".
7828         (queue_initial_tasks): Add task to call plugin hooks for generating
7829         new object files.
7830         * main.cc: Include "plugin.h".
7831         (main): Load plugin libraries.
7832         * object.h (Pluginobj): Declare.
7833         (Object::pluginobj): New function.
7834         (Object::do_pluginobj): New function.
7835         (Object::set_target): New function.
7836         * options.cc: Include "plugin.h".
7837         (General_options::parse_plugin): New function.
7838         (General_options::General_options): Initialize plugins_ field.
7839         (General_options::add_plugin): New function.
7840         * options.h (Plugin_manager): Declare.
7841         (General_options): Add --plugin option.
7842         (General_options::has_plugins): New function.
7843         (General_options::plugins): New function.
7844         (General_options::add_plugin): New function.
7845         (General_options::plugins_): New field.
7846         * plugin.cc: New file.
7847         * plugin.h: New file.
7848         * readsyms.cc: Include "plugin.h".
7849         (Read_symbols::do_read_symbols): Check for archive before checking
7850         for ELF file.  Call plugin hooks to claim files.
7851         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7852         from a real object file; force override when processing replacement
7853         files.
7854         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7855         (Symbol::init_base_object): Likewise.
7856         (Symbol::init_base_output_data): Likewise.
7857         (Symbol::init_base_output_segment): Likewise.
7858         (Symbol::init_base_constant): Likewise.
7859         (Symbol::init_base_undefined): Likewise.
7860         (Symbol::output_section): Assert that object is not a plugin.
7861         (Symbol_table::add_from_pluginobj): New function.
7862         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7863         undefined.
7864         (Symbol_table::sized_write_globals): Likewise.
7865         (Symbol_table::add_from_pluginobj): Instantiate template.
7866         * symtab.h (Sized_pluginobj): Declare.
7867         (Symbol::in_real_elf): New function.
7868         (Symbol::set_in_real_elf): New function.
7869         (Symbol::in_real_elf_): New field.
7870         (Symbol_table::add_from_pluginobj): New function.
7871
7872         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7873         (LIBDL): New variable.
7874         (LDADD): Add LIBDL.
7875         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7876         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7877         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7878         (MOSTLYCLEANFILES): Likewise.
7879         * testsuite/Makefile.in: Regenerate.
7880         * testsuite/plugin_test.c: New file.
7881         * testsuite/plugin_test_1.sh: New file.
7882         * testsuite/plugin_test_2.sh: New file.
7883
7884 2008-09-16  Ian Lance Taylor  <iant@google.com>
7885
7886         * target-reloc.h (relocate_section): Check whether a symbol is
7887         defined by the ABI before reporting an undefined symbol error.
7888         * target.h (Target::is_defined_by_abi): Make parameter const.
7889         (Target::do_is_defined_by_abi): Likewise.
7890         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7891         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7892         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7893         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7894         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7895         * testsuite/Makefile.in: Rebuild.
7896
7897         * fileread.cc (make_view): Add casts to avoid warning.
7898
7899 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7900
7901         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7902         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7903
7904 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7905
7906         * options.h (General_options::output_is_executable): New.
7907         (General_options::output_is_pie): New.
7908         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7909         for shared libraries.
7910         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7911
7912 2008-09-11  Chris Demetriou  <cgd@google.com>
7913
7914         * options.h (origin): New -z option.
7915         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7916         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7917         in DT_FLAGS_1.
7918
7919 2008-09-05  Cary Coutant  <ccoutant@google.com>
7920
7921         * fileread.cc (File_read::make_view): Add check for attempt to map
7922         beyond end of file.
7923
7924 2008-09-05  Cary Coutant  <ccoutant@google.com>
7925
7926         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7927         explicit instantiations.
7928
7929 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7930
7931         PR gold/6858
7932         * options.cc (General_options::finalize): Allow undefined symbols
7933         in shlibs if linking -shared.
7934
7935         PR gold/6859
7936         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7937         symbols as not needing a dynsym entry.
7938
7939 2008-08-20  Craig Silverstein  <csilvers@google.com>
7940
7941         * fileread.cc (File_read::open): Do not lock the file unless it
7942         was successfully opened.
7943
7944 2008-08-14  Cary Coutant  <ccoutant@google.com>
7945
7946         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7947         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7948         * testsuite/tls_test.cc (struct int128): 128-bit struct
7949         for testing TLS relocs with non-zero addend.
7950         (v12): New TLS variable.
7951         (t12): New test.
7952         (t_last): Add check for v12.
7953         * testsuite/tls_test.h (t12): New function.
7954         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7955
7956 2008-08-13  Ian Lance Taylor  <iant@google.com>
7957
7958         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7959         set tls_segment_ or relro_segment_.
7960         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7961         when appropriate.
7962         * output.h (Output_section::clear_is_relro): New function.
7963         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7964         sections specially even when output_data_ is empty.
7965         (Output_segment::maximum_alignment): When first section is relro,
7966         only force alignment for PT_LOAD segments.
7967         * script.cc (script_data_segment_align): New function.
7968         (script_data_segment_relro_end): New function.
7969         * script-c.h (script_data_segment_align): Declare.
7970         (script_data_segment_relro_end): Declare.
7971         * script-sections.h (class Script_sections): Declare
7972         data_segment_align and data_segment_relro_end.  Add fields
7973         segment_align_index_ and saw_relro_end_.
7974         * script-sections.cc (class Sections_element): Add set_is_relro
7975         virtual function.  Add new bool* parameter to place_orphan_here.
7976         Add get_output_section virtual function.
7977         (class Output_section_definition): Add set_is_relro.  Add new
7978         bool* parameter to place_orphan_here.  Add get_output_section.
7979         Add is_relro_ field.
7980         (Output_section_definition::Output_section_definition): Initialize
7981         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7982         and is_relro_ fields.
7983         (Output_section_definition::place_orphan_here): Add is_relro
7984         parameter.
7985         (Output_section_definition::set_section_addresses): Set relro for
7986         output section.
7987         (Output_section_definition::alternate_constraint): Likewise.
7988         (class Orphan_output_section): Add new bool* parameter to
7989         place_orphan_here.  Add get_output_section.
7990         (Orphan_output_section::place_orphan_here): Add is_relro
7991         parameter.
7992         (Script_sections::Script_sections): Initialize
7993         data_segment_align_index_ and saw_relro_end_.
7994         (Script_sections::data_segment_align): New function.
7995         (Script_sections::data_segment_relro_end): New function.
7996         (Script_sections::place_orphan): Set or clear is_relro.
7997         (Script_sections::set_section_addresses): Force alignment of first
7998         TLS section.
7999         * yyscript.y (exp): Call script_data_segment_align and
8000         script_data_segment_relro_end.
8001         * testsuite/relro_script_test.t: New file.
8002         * testsuite/relro_test.cc (using_script): Declare.
8003         (t1, t2): Test using_script.
8004         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
8005         (relro_script_test_SOURCES): Define.
8006         (relro_script_test_DEPENDENCIES): Define.
8007         (relro_script_test_LDFLAGS): Define.
8008         (relro_script_test_LDADD): Define.
8009         (relro_script_test.so): New target.
8010         * testsuite/Makefile.in: Rebuild.
8011
8012 2008-08-06  Cary Coutant <ccoutant@google.com>
8013
8014         * archive.cc (Archive::total_archives, Archive::total_members)
8015         (Archive::total_members_loaded): New variables.
8016         (Archive::setup): Add parameter.  Add option to preread
8017         archive symbols.
8018         (Archive::read_armap): Add counter.
8019         (Archive::get_file_and_offset): New function.
8020         (Archive::get_elf_object_for_member): New function.
8021         (Archive::read_all_symbols): New function.
8022         (Archive::read_symbols): New function.
8023         (Archive::add_symbols): Add counters.
8024         (Archive::include_all_members): Use armap to find members if it's
8025         already built.
8026         (Archive::include_member): Skip reading symbols if already read.
8027         Factored code into Archive::get_file_and_offset and
8028         Archive::get_elf_object_for_member.  Changed call to
8029         Mapfile::report_include_archive_member.
8030         (Archive::print_stats): New function.
8031         * archive.h: Declare Object and Read_symbols_data classes.
8032         (Archive::Archive): Add initializers for new members.
8033         (Archive::setup): Add parameter.
8034         (Archive::print_stats): New function.
8035         (Archive::total_archives, Archive::total_members)
8036         (Archive::total_members_loaded): New variables.
8037         (Archive::get_file_and_offset): New function.
8038         (Archive::get_elf_object_for_member): New function.
8039         (Archive::read_all_symbols): New function.
8040         (Archive::read_symbols): New function.
8041         (Archive::Archive_member): New class.
8042         (Archive::members_): New member.
8043         (Archive::num_members_): New member.
8044         * main.cc: Include archive.h.
8045         (main): Call Archive::print_stats.
8046         * mapfile.cc (Mapfile::report_include_archive_member): Delete
8047         archive parameter; member_name is now the fully-decorated name.
8048         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
8049         * options.h: (General_options): Add --preread-archive-symbols option.
8050         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
8051         Archive::setup.
8052
8053 2008-08-04  Ian Lance Taylor  <iant@google.com>
8054
8055         * symtab.h (Symbol::use_plt_offset): New function.
8056         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
8057         * powerpc.cc (Relocate::relocate): Likewise.
8058         * sparc.cc (Relocate::relocate): Likewise.
8059         * x86_64.cc (Relocate::relocate): Likewise.
8060         * testsuite/weak_plt.sh: New test.
8061         * testsuite/weak_plt_main.cc: New test.
8062         * testsuite/weak_plt_shared.cc: New test.
8063         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
8064         (check_PROGRAMS): Add weak_plt.
8065         (check_DATA): Add weak_plt_shared.so.
8066         (weak_plt_main_pic.o, weak_plt): New targets.
8067         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
8068         * testsuite/Makefile.in: Rebuild.
8069
8070         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
8071         gcctestdir/ld.
8072         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
8073         * testsuite/Makefile.in: Rebuild.
8074
8075 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
8076
8077         * Makefile.am (POTFILES.in): Set LC_ALL=C.
8078         * Makefile.in: Regenerate.
8079         * po/POTFILES.in: Regenerate.
8080
8081 2008-07-29  Ian Lance Taylor  <iant@google.com>
8082
8083         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
8084         symbols before other symbols.
8085         * testsuite/script_test_2.cc (test_addr): Declare.
8086         (test_addr_alias): Declare.
8087         (main): Check that test_addr and test_addr_alias have the right
8088         values.
8089         * testsuite/script_test_2.t: Define test_addr_alias and
8090         test_addr.
8091
8092 2008-07-24  Ian Lance Taylor  <iant@google.com>
8093
8094         PR 5990
8095         * descriptors.cc: New file.
8096         * descriptors.h: New file.
8097         * gold-threads.h (class Hold_optional_lock): New class.
8098         * fileread.cc: Include "descriptors.h".
8099         (File_read::~File_read): Release descriptor rather than closing
8100         it.
8101         (File_read::open) [file]: Call open_descriptor rather than open.
8102         Set is_descriptor_opened_.
8103         (File_read::open) [memory]: Assert that descriptor is not open.
8104         (File_read::reopen_descriptor): New function.
8105         (File_read::release): Release descriptor.
8106         (File_read::do_read): Make non-const.  Reopen descriptor.
8107         (File_read::read): Make non-const.
8108         (File_read::make_view): Reopen descriptor.
8109         (File_read::do_readv): Likewise.
8110         * fileread.h (class File_read): Add is_descriptor_opened_ field.
8111         Update declarations.
8112         * layout.cc: Include "descriptors.h".
8113         (Layout::create_build_id): Use open_descriptor rather than open.
8114         * output.cc: Include "descriptors.h".
8115         (Output_file::open): Use open_descriptor rather than open.
8116         * archive.cc (Archive::const_iterator): Change Archive to be
8117         non-const.
8118         (Archive::begin, Archive::end): Make non-const.
8119         (Archive::count_members): Likewise.
8120         * archive.h (class Archive): Update declarations.
8121         * object.h (Object::read): Make non-const.
8122         * Makefile.am (CCFILES): Add descriptors.cc.
8123         (HFILES): Add descriptors.h.
8124         * Makefile.in: Rebuild.
8125
8126         PR 6716
8127         * gold.h: Always include <clocale>.  Add Solaris workarounds
8128         following code in binutils/sysdep.h.
8129
8130         PR 6048
8131         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
8132         this->eh_frame_hdr_ is NULL before using it.
8133
8134         * dynobj.cc (Versions::Versions): Update comment.
8135
8136         * dynobj.cc (Versions::Versions): If there is an soname, use it as
8137         the base version name.
8138
8139         * stringpool.cc (Stringpool_template::add_with_length): Set key to
8140         array size plus one.
8141         (Stringpool_template::set_string_offsets): Subtract one from key
8142         before using it as an array index.
8143         (Stringpool_template::get_offset_with_length): Likewise.
8144         (Stringpool_template::write_to_buffer): Likewise.
8145         * stringpool.h (Stringpool_template::get_offset_from_key):
8146         Likewise.
8147
8148 2008-07-23  Ian Lance Taylor  <iant@google.com>
8149
8150         PR 6658
8151         * object.h (Merged_symbol_value::value): Do our best to handle a
8152         negative addend.
8153
8154         PR 6647
8155         * script.cc (Version_script_info::get_versions): Don't add empty
8156         version tag to return value.
8157         (Version_script_info::get_symbol_version_helper): Change return
8158         type to bool.  Add pversion parameter.  Change all callers.
8159         (script_register_vers_node): Don't require a non-NULL tag.
8160         * script.h (class Version_script_info): Update declarations.
8161         (Version_script_info::get_symbol_version): Change return type to
8162         bool.  Add version parameter.  Change all callers.
8163         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
8164         handling.  Handle an empty version from a version script.
8165         (Symbol_table::define_special_symbol): Likewise.
8166         * testsuite/ver_test_10.script: New file.
8167         * testsuite/ver_test_10.sh: New file.
8168         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
8169         (check_DATA): Add ver_test_10.syms.
8170         (ver_test_10.syms, ver_test_10.so): New target.
8171         * testsuite/Makefile.in: Rebuild.
8172
8173 2008-07-23  Simon Baldwin  <simonb@google.com>
8174
8175         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
8176         to zero for undefined symbols from dynamic libraries.
8177
8178 2008-07-23  Ian Lance Taylor  <iant@google.com>
8179
8180         * symtab.cc (Symbol_table::resolve): Remove version parameter.
8181         Change all callers.
8182         * symtab.h (class Symbol_table): Update declaration.
8183         * testsuite/ver_test_9.cc: New file.
8184         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
8185         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
8186         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
8187         (ver_test_9.so, ver_test_9.o): New targets.
8188         * testsuite/Makefile.in: Rebuild.
8189
8190 2008-07-22  Ian Lance Taylor  <iant@google.com>
8191
8192         * options.h (class General_options): Define --check-sections.
8193         * layout.cc (Layout::set_segment_offsets): Handle
8194         --check-sections.
8195
8196         * options.h (class General_options): Define -n/--nmagic and
8197         -N/--omagic.
8198         * options.cc (General_options::finalize): For -n/--nmagic or
8199         -N/--omagic, set -static.
8200         * layout.cc (Layout::attach_allocated_section_to_segment): If
8201         -N/--omagic, don't put read-only and read-write sections in
8202         different segments.
8203         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
8204         finding a read-only segment.
8205         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
8206         don't set the minimum segment alignment to the common page size,
8207         and don't set the file offset to the address modulo the page size.
8208         * script-sections.cc (Script_sections::create_segments): If
8209         -n/--omagic, don't put read-only and read-write sections in
8210         different segments.
8211
8212         * cref.cc: New file.
8213         * cref.h: New file.
8214         * options.h (class General_options): Add --print-symbol-counts.
8215         * main.cc (main): Issue defined symbol report if requested.
8216         * archive.cc (Archive::interpret_header): Make into a const member
8217         function.
8218         (Archive::add_symbols): Call Input_objects::archive_start and
8219         archive_stop.
8220         (Archive::const_iterator): Define new class.
8221         (Archive::begin, Archive::end): New functions.
8222         (Archive::include_all_members): Rewrite to use iterator.
8223         (Archive::count_members): New function.
8224         * archive.h (class Archive): Update declarations.
8225         (Archive::filename): New function.
8226         * object.cc: Include "cref.h".
8227         (Sized_relobj::Sized_relobj): Initialize defined_count_.
8228         (Sized_relobj::do_get_global_symbol_counts): New function.
8229         (Input_objects::add_object): Add object to cross-referencer.
8230         (Input_objects::archive_start): New function.
8231         (Input_objects::archive_stop): New function.
8232         (Input_objects::print_symbol_counts): New function.
8233         * object.h: Declare Cref and Archive.
8234         (Object::get_global_symbol_counts): New function.
8235         (Object::do_get_global_symbol_counts): New pure virtual function.
8236         (class Sized_relobj): Add defined_count_ field.  Update
8237         declarations.
8238         (class Input_objects): Add cref_ field.  Update constructor.
8239         Update declarations.
8240         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
8241         defined_count_.
8242         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
8243         symbol counts.
8244         (Sized_dynobj::do_get_global_symbol_counts): New function.
8245         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
8246         defined_count_.  Update declarations.  Define Symbols typedef.
8247         * symtab.cc (Symbol_table::add_from_relobj): Add defined
8248         parameter.  Change all callers.
8249         (Symbol_table::add_from_dynobj): Add sympointers and defined
8250         parameters.  Change all callers.
8251         * symtab.h (class Symbol_table): Update declarations.
8252         * Makefile.am (CCFILES): Add cref.cc.
8253         (HFILES): Add cref.h.
8254         * Makefile.in: Rebuild.
8255
8256 2008-07-22  Simon Baldwin  <simonb@google.com>
8257
8258         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8259         to zero when writing undefined symbols.
8260
8261 2008-07-22  Ian Lance Taylor  <iant@google.com>
8262
8263         * output.cc (Output_section::add_input_section): Don't try to
8264         merge empty merge sections.
8265
8266 2008-07-21  Craig Silverstein  <csilvers@google.com>
8267
8268         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8269         Include symbol version in error message.
8270
8271 2008-07-20  Chris Demetriou  <cgd@google.com>
8272
8273         * configure.ac (gold_cv_c_random_seed): New configured variable.
8274         (RANDOM_SEED_CFLAGS): New substituted variable.
8275         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8276         * configure: Rebuild.
8277         * Makefile.in: Likewise.
8278         * testsuite/Makefile.in: Likewise.
8279
8280 2008-07-18  Ian Lance Taylor  <iant@google.com>
8281
8282         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8283         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8284         * testsuite/ver_test_main.cc (main): Call t4.
8285         (t4, t4_2a): Define.
8286         * testsuite/ver_test_2.cc (t4_2): Define.
8287         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8288         * testsuite/ver_test_4.cc (t4_2a): Define.
8289         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8290         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8291
8292 2008-07-17  Ian Lance Taylor  <iant@google.com>
8293
8294         * dynobj.cc (Versions::add_def): If we give an error about a
8295         missing version, go ahead and create the version anyhow.
8296
8297 2008-07-10  Ian Lance Taylor  <iant@google.com>
8298
8299         Handle output sections with more than 0x7fffffff bytes.
8300         * object.h (class Relobj): Change map_to_output_ to
8301         output_sections_, and just keep a section pointer.  Change all
8302         uses.  Move comdat group support to Sized_relobj.
8303         (Relobj::is_section_specially_mapped): Remove.
8304         (Relobj::output_section): Remove poff parameter.  Change all
8305         callers.
8306         (Relobj::output_section_offset): New function.
8307         (Relobj::set_section_offset): Rewrite.
8308         (Relobj::map_to_output): Remove.
8309         (Relobj::output_sections): New function.
8310         (Relobj::do_output_section_offset): New pure virtual function.
8311         (Relobj::do_set_section_offset): Likewise.
8312         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8313         group support from Relobj.  Update declarations.
8314         (Sized_relobj::get_output_section_offset): New function.
8315         (Sized_relobj::do_output_section_offset): New function.
8316         (Sized_relobj::do_set_section_offset): New function.
8317         * object.cc (Relobj::output_section_address): Remove.
8318         (Sized_relobj::Sized_relobj): Initialize new fields.
8319         (Sized_relobj::include_section_group): Cast find_kept_object to
8320         Sized_relobj.
8321         (Sized_relobj::include_linkonce_section): Likewise.
8322         (Sized_relobj::do_layout): Use separate arrays for output section
8323         and output offset.
8324         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8325         output_sections.
8326         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8327         output_sections and section_offsets.
8328         (Sized_relobj::write_local_symbols): Likewise.
8329         (map_to_kept_section): Compute output address directly.
8330         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8331         output_sections and section_offsets.
8332         (Sized_relobj::write_sections): Likewise.
8333         (Sized_relobj::relocate_sections): Likewise.
8334         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8335         * output.h (class Output_reloc): Update declarations.  Change
8336         u2_.relobj to Sized_relobj*.
8337         (class Output_data_reloc): Change add functions to use
8338         Sized_relobj*.
8339         * output.cc (Output_reloc::Output_reloc): Change relobj to
8340         Sized_relobj*.
8341         (Output_reloc::local_section_offset): Change return type to
8342         Elf_Addr.  Use get_output_section_offset.
8343         (Output_reloc::get_address): Likewise.
8344         (Output_section::is_input_address_mapped): Don't call
8345         is_section_specially_mapped.
8346         (Output_section::output_offset): Likewise.
8347         (Output_section::output_address): Likewise.
8348         (Output_section::starting_output_address): Likewise.
8349         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8350         parameter to Sized_relobj*.
8351         (Copy_relocs::need_copy_reloc): Likewise.
8352         (Copy_relocs::save): Likewise.
8353         * copy-relocs.h (class Copy_relocs): Update declarations.
8354         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8355         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8356         * target-reloc.h (relocate_for_relocatable): Change
8357         offset_in_output_section type to Elf_Addr.  Change code that uses
8358         it as well.
8359         * layout.cc (Layout::layout): Always set *off.
8360         * mapfile.cc (Mapfile::print_input_section): Use
8361         output_section_offset.
8362         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8363         Sized_relobj*.
8364         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8365         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8366         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8367
8368 2008-07-03  Ian Lance Taylor  <iant@google.com>
8369
8370         * layout.cc (Layout::include_section): Do not discard unrecognized
8371         SHT_STRTAB sections.
8372
8373 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8374
8375         * script.cc (Lex::can_continue_name): Make '?' allowable in
8376         version-script names.
8377         * testsuite/version_script.map: Change glob pattern to use '?'
8378
8379 2008-06-30  Manish Singh  <yosh@gimp.org>
8380
8381         PR 6585
8382         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8383         Correct typo.
8384
8385 2008-06-30  Ian Lance Taylor  <iant@google.com>
8386
8387         PR 6660
8388         PR 6682
8389         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8390         versions]: Don't try to read the value in the contents, since we
8391         don't use it.  Use the template endianness when writing.
8392
8393 2008-06-25  Cary Coutant  <ccoutant@google.com>
8394
8395         * fileread.cc (File_read::make_view): Assert on zero-length view.
8396         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8397         symbol table when there are no symbols to read.
8398
8399 2008-06-23  Craig Silverstein  <csilvers@google.com>
8400
8401         * version.cc (version_string): Bump to 1.7
8402
8403 2008-06-18  Craig Silverstein  <csilvers@google.com>
8404
8405         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8406         constant 0xFFFF to type Valtype.
8407         (Powerpc_relocate_functions::rel16_ha): Likewise.
8408
8409 2008-06-17  Ian Lance Taylor  <iant@google.com>
8410
8411         * output.h (Output_section::Input_section): Initialize p2align_ to
8412         zero for Output_section_data constructors.
8413         (Output_section::Input_section::addralign): If not an input
8414         section, return the alignment of the Output_section_data.
8415         * testsuite/copy_test.cc: New file.
8416         * testsuite/copy_test_1.cc: New file.
8417         * testsuite/copy_test_2.cc: New file.
8418         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8419         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8420         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8421         (copy_test_1_pic.o, copy_test_1.so): New targets.
8422         (copy_test_2_pic.o, copy_test_2.so): New targets.
8423         * testsuite/Makefile.in: Rebuild.
8424
8425         * script-sections.cc (Script_sections::place_orphan): Initialize
8426         local variable exact.
8427
8428 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8429
8430         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8431
8432 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8433             David S. Miller  <davem@davemloft.net>
8434
8435         * powerpc.cc: New file.
8436         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8437         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8438         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8439         * Makefile.in: Rebuild.
8440
8441 2008-06-09  Ian Lance Taylor  <iant@google.com>
8442
8443         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8444         <exception>.
8445         (throwing, orig_terminate): New static variables.
8446         (terminate_handler): New static function.
8447         (t2): Set terminate handler.
8448
8449 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8450
8451         PR 6584
8452         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8453         alignment.
8454
8455 2008-05-30  Cary Coutant  <ccoutant@google.com>
8456
8457         * archive.cc (Archive::include_all_members) Correct to step
8458         over symbol table and extended name table in thin archives.
8459
8460 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8461
8462         PR 6407
8463         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8464         calculation.
8465
8466 2008-05-28  Caleb Howe  <cshowe@google.com>
8467
8468         * reduced_debug_output.cc: New file.
8469         * reduced_debug_output.h: New file.
8470         * options.h (class General_options): Add --strip-debug-non-line.
8471         * options.cc (General_options::finalize): Add strip_debug_non_line
8472         to the strip heirarchy.
8473         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8474         fields.
8475         * layout.cc: Include "reduced_debug_output.h".
8476         (Layout::Layout): Initialize new fields.
8477         (line_only_debug_sections): New static array.
8478         (is_lines_only_debug_sections): New static inline function.
8479         (Layout::include_section): Handle --strip-debug-non-line.
8480         (Layout::make_output_section): If --strip-debug-non-line, build
8481         new output sections for .debug_abbrev and .debug_info.
8482         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8483         gold.  Warn about possible overflow.
8484         (read_signed_LEB_128): Likewise.
8485         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8486         (read_signed_LEB_128): Declare.
8487         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8488         (HFILES): Add reduced_debug_output.h.
8489         * Makefile.in: Rebuild.
8490
8491 2008-05-21  Ian Lance Taylor  <iant@google.com>
8492
8493         * mapfile.cc: New file.
8494         * mapfile.h: New file.
8495         * options.h (class General_options): Add -M/--print-map and -Map.
8496         * options.cc (General_options::finalize): Make -M equivalent to
8497         -Map -.
8498         * main.cc: Include <cstdio> and "mapfile.h".
8499         (main): Open mapfile if requested.
8500         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8501         constructor.  Change caller.
8502         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8503         (queue_middle_tasks): Likewise.
8504         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8505         declarations.
8506         * archive.cc: Include "mapfile.h".
8507         (Archive::add_symbols): Add mapfile parameter.  Change all
8508         callers.  Pass mapfile, symbol, and reason to include_member.
8509         (Archive::include_all_members): Add mapfile parameter.  Change all
8510         callers.
8511         (Archive::include_member): Add mapfile, sym, and why parameters.
8512         Change all callers.  Report inclusion to map file.
8513         * archive.h: Include "fileread.h".
8514         (class Archive): Update declarations.
8515         (Archive::file): New const method.
8516         (class Add_archive_symbols): Add mapfile_ field.  Update
8517         constructor.  Change all callers.
8518         * readsyms.h (class Read_symbols): Likewise.
8519         (class Finish_group): Likewise.
8520         (class Read_script): Likewise.
8521         * common.cc: Include "mapfile.h".
8522         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8523         all callers.
8524         (Symbol_table::do_allocate_commons): Likewise.
8525         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8526         symbol allocation to mapfile.
8527         * common.h (class Allocate_commons_task): Add mapfile_ field.
8528         Update constructor.  Change all callers.
8529         * symtab.h (class Symbol_table): Update declarations.
8530         * layout.cc: Include "mapfile.h".
8531         (Layout_task_runner::run): Print information to mapfile.
8532         (Layout::create_gold_note): Change Output_data_fixed_space to
8533         Output_data_zero_fill.
8534         (Layout::create_build_id): Likewise.
8535         (Layout::print_to_mapfile): New function.
8536         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8537         constructor.  Change caller.
8538         (class Layout): Declare print_to_mapfile.
8539         * output.cc (Output_section::Input_section::print_to_mapfile): New
8540         function.
8541         (Output_section::add_input_section): If producing a map, always
8542         add to input_sections_ list.
8543         (Output_section::do_print_to_mapfile): New function.
8544         (Output_segment::print_sections_to_mapfile): New function.
8545         (Output_segment::print_section_list_to_mapfile): New function.
8546         * output.h: Include "mapfile.h".
8547         (Output_data::print_to_mapfile): New function.
8548         (Output_data::do_print_to_mapfile): New virtual function.
8549         (Output_segment_headers::do_print_to_mapfile): New function.
8550         (Output_file_header::do_print_to_mapfile): New function.
8551         (Output_data_const::do_print_to_mapfile): New function.
8552         (class Output_data_const_buffer): Add map_name_ field.  Update
8553         constructor.  Change all callers.  Add do_print_to_mapfile
8554         function.
8555         (class Output_data_fixed_space): Likewise.
8556         (class Output_data_space): Likewise.
8557         (class Output_data_zero_fill): New class.
8558         (Output_data_strtab::do_print_to_mapfile): New function.
8559         (Output_data_reloc_base::do_print_to_mapfile): New function.
8560         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8561         (Output_data_group::do_print_to_mapfile): New function.
8562         (Output_data_got::do_print_to_mapfile): New function.
8563         (Output_data_dynamic::do_print_to_mapfile): New function.
8564         (Output_symtab_xindex::do_print_to_mapfile): New function.
8565         (class Output_section): Declare do_print_to_mapflie.  Declare
8566         print_to_mapfile in Input_section.
8567         (class Output_segment): Declare new functions.
8568         * object.h (Sized_relobj::symbol_count): New function.
8569         * script-sections.cc
8570         (Output_section_element_dot_assignment::set_section_addresses):
8571         Change Output_data_fixed_space to Output_data_zero_fill.
8572         (Output_data_expression::do_print_to_mapfile): New function.
8573         * script.cc (read_input_script): Add mapfile parameter.  Change
8574         all callers.
8575         * script.h (read_input_script): Update declaration.
8576         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8577         (Eh_frame::do_print_to_mapfile): New function.
8578         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8579         (Output_merge_string::do_print_to_mapfile): New function.
8580         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8581         function.
8582         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8583         function.
8584         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8585         function.
8586         * Makefile.am (CCFILES): Add mapfile.cc.
8587         (HFILES): Add mapfile.h.
8588         * Makefile.in: Rebuild.
8589
8590 2008-05-19  Ian Lance Taylor  <iant@google.com>
8591
8592         * options.h (class General_options): Add -z relro.
8593         * layout.cc (Layout::Layout): Initialize relro_segment_.
8594         (Layout::add_output_section_data): Return the output section.
8595         (Layout::make_output_section): Rcognize relro sections and mark
8596         them appropriately.
8597         (Layout::attach_allocated_section_to_segment): Put relro sections
8598         in a PT_GNU_RELRO segment.
8599         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8600         section as relro.
8601         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8602         PT_TLS segments.
8603         (Layout::linkonce_mapping): Map d.rel.ro.local to
8604         .data.rel.ro.local.
8605         (Layout::output_section_name): Us .data.rel.ro.local for any
8606         section which begins with that.
8607         * layout.h (class Layout): Update add_output_section_data
8608         declaration.  Add relro_segment_ field.
8609         * output.cc (Output_section::Output_section): Initialize is_relro_
8610         and is_relro_local_ fields.
8611         (Output_segment::add_output_section): Group relro sections.
8612         (Output_segment::is_first_section_relro): New function.
8613         (Output_segment::maximum_alignment): If there is a relro section,
8614         align the segment to the common page size.
8615         (Output_segment::set_section_addresses): Track whether we are
8616         looking at relro sections.  If the last section is a relro
8617         section, align to the common page size.
8618         (Output_segment::set_section_list_addresses): Add in_relro
8619         parameter.  Change all callers.  Align to the page size when
8620         moving from relro to non-relro section.
8621         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8622         segment.
8623         * output.h (class Output_section): Add is_relro_ and
8624         is_relro_local_ fields.
8625         (Output_section::is_relro): New function.
8626         (Output_section::set_is_relro): New function.
8627         (Output_section::is_relro_local): New function.
8628         (Output_section::set_is_relro_local): New function.
8629         (class Output_segment): Update declarations.
8630         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8631         * sparc.cc (Target_sparc::got_section): Likewise.
8632         * x86_64.cc (Target_x86_64::got_section): Likewise.
8633         * testsuite/relro_test_main.cc: New file.
8634         * testsuite/relro_test.cc: New file.
8635         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8636         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8637         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8638         (relro_test.so, relro_test_pic.o): New targets.
8639         * testsuite/Makefile.in: Rebuild.
8640
8641 2008-05-16  Ian Lance Taylor  <iant@google.com>
8642
8643         * output.cc (Output_segment::add_output_section): Remove front
8644         parameter.
8645         * output.h (class Output_segment): Remove
8646         add_initial_output_section and overloaded add_output_section.
8647         Update declaration of remaining add_output_section.
8648         * layout.cc (Layout::create_interp): Call add_output_section
8649         rather than add_initial_output_section.
8650         (Layout::finish_dynamic_section): Likewise.
8651
8652         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8653         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8654         know the dynamic type.
8655         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8656         field.  Initialize it in constructor.
8657         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8658         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8659         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8660         reloc.
8661
8662         * output.cc (Output_reloc::get_address): Change return type to
8663         Elf_Addr.
8664         * output.h (class Output_reloc): Update get_address declaration.
8665         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8666         for section addresses.
8667
8668 2008-05-09  Ian Lance Taylor  <iant@google.com>
8669
8670         PR 6493
8671         * gold.cc (gold_nomem): Use return value of write.
8672
8673 2008-05-08  Ian Lance Taylor  <iant@google.com>
8674
8675         * symtab.c (Symbol::init_base_output_data): Add version
8676         parameter.  Change all callers.
8677         (Symbol::init_base_output_segment): Likewise.
8678         (Symbol::init_base_constant): Likewise.
8679         (Symbol::init_base_undefined): Likewise.
8680         (Sized_symbol::init_output_data): Likewise.
8681         (Sized_symbol::init_output_segment): Likewise.
8682         (Sized_symbol::init_constant): Likewise.
8683         (Sized_symbol::init_undefined): Likewise.
8684         (Symbol_table::do_define_in_output_data): If the new symbol has a
8685         version, mark it as the default.
8686         (Symbol_table::do_define_in_output_segment): Likewise.
8687         (Symbol_table::do_define_as_constant): Likewise.
8688         * symtab.h (class Symbol): Update declarations.
8689         (class Sized_symbol): Likewise.
8690         * resolve.cc (Symbol::override_version): New function.
8691         (Symbol::override_base): Call override_version.
8692         (Symbol::override_base_with_special): Likewise.
8693         * testsuite/ver_script_8.script: New file.
8694         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8695         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8696         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8697         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8698
8699 2008-05-06  Ian Lance Taylor  <iant@google.com>
8700
8701         PR 6049
8702         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8703         functions.
8704         (class General_options): Remove existing --undefined, and add
8705         --no-undefined instead.  Add new --undefined as synonym for -u.
8706         * archive.cc (Archive::add_symbols): Check whether symbol was
8707         named with -u.
8708         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8709         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8710         all uses.  Add IS_UNDEFINED.  Update declarations to split
8711         different versions of init_base.  Declare init_base_undefined.
8712         (Symbol::is_defined): Handle IS_UNDEFINED.
8713         (Symbol::is_undefined): Likewise.
8714         (Symbol::is_weak_undefined): Call is_undefined.
8715         (Symbol::is_absolute): Handle IS_CONSTANT.
8716         (class Sized_symbol): Update declarations to split different
8717         versions of init.  Declare init_undefined.
8718         (class Symbol_table): Declare new functions.
8719         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8720         Change all callers.
8721         (Symbol::init_base_output_data): Likewise.
8722         (Symbol::init_base_output_segment): Likewise.
8723         (Symbol::init_base_constant): Likewise.
8724         (Symbol::init_base_undefined): New function.
8725         (Sized_symbol::init_object): Rename from init.  Change all
8726         callers.
8727         (Sized_symbol::init_output_data): Likewise.
8728         (Sized_symbol::init_output_segment): Likewise.
8729         (Sized_symbol::init_constant): Likewise.
8730         (Sized_symbol::init_undefined): New function.
8731         (Symbol_table::add_undefined_symbols_from_command_line): New
8732         function.
8733         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8734         function.
8735         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8736         (Symbol::output_section): Likewise.
8737         (Symbol::set_output_section): Likewise.
8738         (Symbol_table::sized_finalize_symbol): Likewise.
8739         (Symbol_table::sized_write_globals): Likewise.
8740         * resolve.cc (Symbol_table::should_override): Likewise.
8741         (Symbol::override_base_with_special): Likewise.
8742
8743         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8744         symbol, change it to have default visibility.
8745         * testsuite/protected_1.cc: New file.
8746         * testsuite/protected_2.cc: New file.
8747         * testsuite/protected_3.cc: New file.
8748         * testsuite/protected_main_1.cc: New file.
8749         * testsuite/protected_main_2.cc: New file.
8750         * testsuite/protected_main_3.cc: New file.
8751         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8752         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8753         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8754         (protected_1.so): New target.
8755         (protected_1_pic.o, protected_2_pic.o): New targets.
8756         (protected_3_pic.o): New target.
8757         (check_PROGRAMS): Add protected_2.
8758         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8759         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8760         * testsuite/Makefile.in: Rebuild.
8761
8762         * options.h (DEFINE_var): Add set_user_set_##varname__.
8763         (DEFINE_bool_alias): New macro.
8764         (class General_options): Define -Bstatic using DEFINE_bool_alias
8765         rather than DEFINE_special.  Add --undefined as an alias for -z
8766         defs.
8767         * options.cc (General_options::parse_Bstatic): Remove.
8768
8769         * options.h (class General_options): Add --fatal-warnings.
8770         * main.cc (main): Implement --fatal-warnings.
8771         * errors.h (Errors::warning_count): New function.
8772
8773         * options.h (class General_options): Add -Bsymbolic-functions.
8774         * symtab.h (Symbol::is_preemptible): Check for
8775         -Bsymbolic-functions.
8776
8777 2008-05-05  Ian Lance Taylor  <iant@google.com>
8778
8779         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8780         as noVARNAME rather than no-VARNAME.
8781         (class General_options): Add option -z combreloc.
8782         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8783         get_address.
8784         (Output_reloc::sort_before) [SHT_REL]: New function.
8785         (Output_reloc::sort_before) [SHT_RELA]: New function.
8786         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8787         Sort_relocs_comparison.
8788         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8789         parameter.  Change all callers.
8790         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8791         sort_relocs parameter.  Change all callers.
8792         * output.cc (Output_reloc::get_address): New function, broken out
8793         of write_rel.
8794         (Output_reloc::write_rel): Call it.
8795         (Output_reloc::compare): New function.
8796         (Output_data_reloc_base::do_write): Optionally sort relocs.
8797
8798         * configure.ac: If targ_extra_obj is set, link it in.
8799         * configure.tgt: Initialize all variables.
8800         (x86_64*): Set targ_extra_obj and targ_extra_size.
8801         * configure: Rebuild.
8802
8803         * object.cc (Sized_relobj::include_section_group): Adjust section
8804         indexes read from group data.  Build vector to pass to
8805         layout_group.
8806         * layout.cc (Layout::layout_group): Add flags and shndxes
8807         parameters.  Remove contents parameter.  Change caller.  Update
8808         explicit instantiations.
8809         * layout.h (class Layout): Update layout_group declaration.
8810         * output.cc (Output_data_group::Output_data_group): Add flags and
8811         input_shndxes parameters.  Remove contents parameter.  Change
8812         caller.
8813         (Output_data_group::do_write): Change input_sections_ to
8814         input_shndxes_.
8815         * output.h (class Output_data_group): Update constructor
8816         declaration.  Rename input_sections_ to input_shndxes_.
8817         * testsuite/many_sections_test.cc: Add template.
8818
8819 2008-04-30  Cary Coutant  <ccoutant@google.com>
8820
8821         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8822
8823         * layout.cc (Layout::include_section): Refactored check for debug
8824         info section.
8825         (Layout::add_comdat): Add new parameters.  Change type
8826         of signature parameter.  Add object and shndx to signatures table.
8827         (Layout::find_kept_object): New function.
8828         * layout.h: Include <cstring>.
8829         (Layout::is_debug_info_section): New function.
8830         (Layout::add_comdat): Add new parameters.
8831         (Layout::find_kept_object): New function.
8832         (Layout::Kept_section): New struct.
8833         (Layout::Signatures): Change type of map range.
8834         * object.cc (Relobj::output_section_address): New function.
8835         (Sized_relobj::include_section_group): Add new parameters.  Change
8836         calls to Layout::add_comdat.  Change to build table of kept comdat
8837         groups and table mapping discarded sections to kept sections.
8838         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8839         (Sized_relobj::do_layout): Change calls to include_section_group and
8840         include_linkonce_section.
8841         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8842         value to zero when section is discarded.
8843         (Sized_relobj::map_to_kept_section): New function.
8844         * object.h (Relobj::output_section_address): New function.
8845         (Relobj::Comdat_group): New type.
8846         (Relobj::find_comdat_group): New function.
8847         (Relobj::Comdat_group_table): New type.
8848         (Relobj::Kept_comdat_section): New type.
8849         (Relobj::Kept_comdat_section_table): New type.
8850         (Relobj::add_comdat_group): New function.
8851         (Relobj::set_kept_comdat_section): New function.
8852         (Relobj::get_kept_comdat_section): New function.
8853         (Relobj::comdat_groups_): New field.
8854         (Relobj::kept_comdat_sections_): New field.
8855         (Symbol_value::input_value): Update comment.
8856         (Sized_relobj::map_to_kept_section) New function.
8857         (Sized_relobj::include_linkonce_section): Add new parameter.
8858         * target-reloc.h (Comdat_behavior): New type.
8859         (get_comdat_behavior): New function.
8860         (relocate_section): Add code to map a discarded section to the
8861         corresponding kept section when applying a relocation.
8862
8863 2008-04-30  Craig Silverstein  <csilvers@google.com>
8864
8865         * dwarf_reader.cc (next_generation_count): New static var.
8866         (Addr2line_cache_entry): New struct.
8867         (addr2line_cache): New static var.
8868         (Dwarf_line_info::one_addr2line): Added caching.
8869         (Dwarf_line_info::clear_addr2line_cache): New function.
8870         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8871         cache-size parameter.
8872         (Dwarf_line_info::one_addr2line_cache): New function.
8873         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8874         new cache-size argument to one_addr2line(), and clear cache.
8875
8876 2008-04-28  Cary Coutant  <ccoutant@google.com>
8877
8878         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8879         R_386_PC8 relocations.
8880
8881 2008-04-23  Ian Lance Taylor  <iant@google.com>
8882
8883         * object.cc (Sized_relobj::include_section_group): Check for
8884         invalid section group.
8885
8886         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8887         header size.
8888
8889         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8890         than read for file header.
8891         * archive.cc (Archive::include_member): Likewise.
8892
8893 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8894
8895         * aclocal.m4: Regenerate.
8896         * configure: Regenerate.
8897
8898 2008-04-19  Ian Lance Taylor  <iant@google.com>
8899
8900         * version.cc (version_string): Bump to 1.6.
8901
8902         * testsuite/Makefile.am (many_sections_r_test): New target.
8903         (many_sections_r_test_SOURCES): Remove.
8904         (many_sections_r_test_DEPENDENCIES): Remove.
8905         (many_sections_r_test_LDFLAGS): Remove.
8906         (many_sections_r_test_LDADD): Remove.
8907
8908         * object.cc (Sized_relobj::do_add_symbols): Always pass
8909         local_symbol_count_ to add_from_relobj.
8910
8911         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8912         every thousand variables.
8913         * testsuite/Makefile.in: Rebuild.
8914
8915         * object.cc (Xindex::initialize_symtab_xindex): New function.
8916         (Xindex::read_symtab_xindex): New function.
8917         (Xindex::sym_xindex_to_shndx): New function.
8918         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8919         available.
8920         (Sized_relobj::do_initialize_xindex): New function.
8921         (Sized_relobj::do_read_symbols): Adjust section links.
8922         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8923         parameter.  Change all callers.
8924         (Sized_relobj::include_section_group): Adjust section links and
8925         symbol section indexes.
8926         (Sized_relobj::do_layout): Adjust section links.
8927         (Sized_relobj::do_count_local_symbols): Adjust section links and
8928         symbol section indexes.
8929         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8930         ordinary and special symbols.
8931         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8932         dynsym_xindex parameters.  Change all callers.  Adjust section
8933         links.  Use SHN_XINDEX when needed.
8934         (Sized_relobj::get_symbol_location_info): Adjust section links.
8935         Don't get fooled by special symbols.
8936         * object.h (class Xindex): Define.
8937         (class Object): Add xindex_ parameter.  Declare virtual functoin
8938         do_initialize_xindex.
8939         (Object::adjust_sym_shndx): New function.
8940         (Object::set_xindex): New protected function.
8941         (class Symbol_value): Add is_ordinary_shndx_ field.
8942         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8943         (Symbol_value::value): Assert ordinary section.
8944         (Symbol_value::initialize_input_to_output_map): Likewise.
8945         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8946         Change all callers.
8947         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8948         all callers.
8949         (class Sized_relobj): Update declarations.
8950         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8951         parameter.  Change all callers.
8952         (Sized_relobj::adjust_shndx): New function.
8953         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8954         field.
8955         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8956         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8957         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8958         (Sized_dynobj::read_dynsym_section): Adjust section links.
8959         (Sized_dynobj::read_dynamic): Likewise.
8960         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8961         section links.
8962         (Sized_dynobj::do_initialize_xindex): New function.
8963         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8964         do_initialize_xindex.
8965         (Sized_dynobj::adjust_shndx): New function.
8966         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8967         dynsym_xindex_ fields.
8968         (Layout::finalize): Add a call to set_section_indexes before
8969         creating the symtab sections.
8970         (Layout::set_section_indexes): Don't do anything if the section
8971         already has a section index.
8972         (Layout::create_symtab_sections): Add shnum parameter.  Change
8973         caller.  Create .symtab_shndx section if needed.
8974         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8975         caller.
8976         (Layout::allocated_output_section_count): New function.
8977         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8978         needed.
8979         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8980         fields.  Update declarations.
8981         (Layout::symtab_xindex): New function.
8982         (Layout::dynsym_xindex): New function.
8983         (class Write_symbols_task): Add layout_ field.
8984         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8985         Change caller.
8986         * output.cc (Output_section_headers::Output_section_headers): Add
8987         shstrtab_section parameter.  Change all callers.
8988         (Output_section_headers::do_sized_write): Store overflow values
8989         for section count and section string table section index in
8990         section header zero.
8991         (Output_file_header::do_sized_write): Check for overflow of
8992         section count and section string table section index.
8993         (Output_symtab_xindex::do_write): New function.
8994         (Output_symtab_xindex::endian_do_write): New function.
8995         * output.h (class Output_section_headers): Add shstrtab_section_.
8996         Update declarations.
8997         (class Output_symtab_xindex): Define.
8998         (Output_section::has_out_shndx): New function.
8999         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
9000         field.
9001         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
9002         Change all callers.
9003         (Sized_symbol::init): Likewise.
9004         (Symbol::output_section): Check for ordinary symbol.
9005         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
9006         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
9007         callers.
9008         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
9009         Change all callers.  Simplify handling of symbols from sections
9010         not included in the link.
9011         (Symbol_table::add_from_dynobj): Handle ordinary symbol
9012         distinction.
9013         (Weak_alias_sorter::operator()): Assert that symbols are
9014         ordinary.
9015         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
9016         distinction.
9017         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
9018         parameters.  Change all callers.
9019         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
9020         symbol distinction.  Use SHN_XINDEX when needed.
9021         (Symbol_table::write_section_symbol): Add symtab_xindex
9022         parameter.  Change all callers.
9023         (Symbol_table::sized_write_section_symbol): Likewise.  Use
9024         SHN_XINDEX when needed.
9025         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
9026         declarations.
9027         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
9028         (Symbol::is_defined): Check is_ordinary.
9029         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
9030         (Symbol::is_absolute, Symbol::is_common): Likewise.
9031         (class Sized_symbol): Update declarations.
9032         (class Symbol_table): Update declarations.
9033         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
9034         parameters.  Change all callers.
9035         (Sized_symbol::override): Likewise.
9036         (Symbol_table::override): Likewise.
9037         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
9038         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
9039         is_ordinary, and orig_st_shndx parameters.  Change all callers.
9040         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
9041         to be in an ordinary section.
9042         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
9043         object and is_ordinary parameters.  Change all callers.
9044         (Sized_dwarf_line_info::read_relocs): Add object parameter.
9045         Change all callers.  Don't add undefined or non-ordinary symbols
9046         to reloc_map_.
9047         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
9048         Change all callers.
9049         * dwarf_reader.h (class Sized_dwarf_line_info): Update
9050         declarations.
9051         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
9052         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
9053         (Sized_relobj::relocate_sections): Likewise.
9054         * target-reloc.h (scan_relocs): Adjust section symbol index.
9055         (scan_relocatable_relocs): Likewise.
9056         * i386.cc (Scan::local): Check for ordinary symbols.
9057         * sparc.cc (Scan::local): Likewise.
9058         * x86_64.cc (Scan::local): Likewise.
9059         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
9060         to symbol_section_and_value.
9061         * testsuite/many_sections_test.cc: New file.
9062         * testsuite/Makefile.am (BUILT_SOURCES): Define.
9063         (check_PROGRAMS): Add many_sections_test.
9064         (many_sections_test_SOURCES): Define.
9065         (many_sections_test_DEPENDENCIES): Define.
9066         (many_sections_test_LDFLAGS): Define.
9067         (BUILT_SOURCES): Add many_sections_define.h.
9068         (many_sections_define.h): New target.
9069         (BUILT_SOURCES): Add many_sections_check.h.
9070         (many_sections_check.h): New target.
9071         (check_PROGRAMS): Add many_sections_r_test.
9072         (many_sections_r_test_SOURCES): Define.
9073         (many_sections_r_test_DEPENDENCIES): Define.
9074         (many_sections_r_test_LDFLAGS): Define.
9075         (many_sections_r_test_LDADD): Define.
9076         (many_sections_r_test.o): New target.
9077         * testsuite/Makefile.in: Rebuild.
9078
9079 2008-04-17  Cary Coutant  <ccoutant@google.com>
9080
9081         * errors.cc (Errors::info): New function.
9082         (gold_info): New function.
9083         * errors.h (Errors::info): New function.
9084         * gold.h (gold_info): New function.
9085         * object.cc (Input_objects::add_object): Print trace output.
9086         * options.cc (options::parse_set): New function.
9087         (General_options::parse_wrap): Deleted.
9088         (General_options::General_options): Deleted initializer.
9089         * options.h (options::String_set): New typedef.
9090         (options::parse_set): New function.
9091         (DEFINE_set): New macro.
9092         (General_options::wrap): Changed to use DEFINE_set. Changed
9093         callers of any_wrap_symbols and is_wrap_symbol.
9094         (General_options::trace, General_options::trace_symbol):
9095         New options.
9096         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
9097         (General_options::wrap_symbols_): Deleted.
9098         * symtab.cc (Symbol_table::add_from_object): Print trace output.
9099
9100 2008-04-17  David S. Miller  <davem@davemloft.net>
9101
9102         * options.cc (General_options::parse_V): New function.
9103         * options.h: Add entries for -V and -Qy.
9104
9105 2008-04-17  Ian Lance Taylor  <iant@google.com>
9106
9107         * common.cc (Symbol_table::allocate_commons): Remove options
9108         parameter.  Change caller.
9109         (Symbol_table::do_allocate_commons): Remove options parameter.
9110         Change caller.  Just call do_allocate_commons_list twice.
9111         (Symbol_table::do_allocate_commons_list): New function, broken out
9112         of do_allocate_commons.
9113         * common.h (class Allocate_commons_task): Remove options_ field.
9114         Update constructor.
9115         * symtab.cc (Symbol_table::Symbol_table): Initialize
9116         tls_commons_.
9117         (Symbol_table::add_from_object): Put TLS common symbols on
9118         tls_commons_ list.
9119         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
9120         which are IN_OUTPUT_DATA.
9121         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
9122         allocate_commons and do_allocate_commons declarations.  Declare
9123         do_allocate_commons_list.
9124         * gold.cc (queue_middle_tasks): Update creation of
9125         Allocate_commons_task to not pass options.
9126         * testsuite/Makefile.am (INCLUDES): Add -I.. .
9127         (TLS_TEST_C_FLAGS): New variable.
9128         (tls_test_c_pic.o): New target.
9129         (tls_test_shared.so): Link in tls_test_c_pic.o.
9130         (tls_test_c_pic_ie.o): New target.
9131         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
9132         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
9133         (tls_test_c.o): New target.
9134         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
9135         (tls_pic_test_LDADD): Likewise.
9136         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
9137         (tls_shared_gd_to_ie_test_LDADD): Likewise.
9138         (tls_test_c_gnu2.o): New target.
9139         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
9140         tls_test_c_gnu2.o.
9141         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
9142         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
9143         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
9144         * testsuite/tls_test.cc: Include "config.h".
9145         (t_last): Call t11_last.
9146         * testsuite/tls_test.h (t11, t11_last): Declare.
9147         * testsuite/tls_test_c.c: New file.
9148         * testsuite/tls_test_main.cc (thread_routine): Call t11.
9149         * configure.ac: Check for OpenMP support.
9150         * configure, config.in, Makefile.in: Rebuild.
9151         * testsuite/Makefile.in: Rebuild.
9152
9153 2008-04-16  Cary Coutant  <ccoutant@google.com>
9154
9155         * i386.cc (Target_i386::define_tls_base_symbol): New function.
9156         (Target_i386::tls_base_symbol_defined_): New field.
9157         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9158         (Target_i386::Scan::global): Likewise.
9159         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
9160         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
9161         (Target_x86_64::tls_base_symbol_defined_): New field.
9162         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9163         (Target_x86_64::Scan::global): Likewise.
9164
9165 2008-04-16  Cary Coutant  <ccoutant@google.com>
9166
9167         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
9168         (Symbol::needs_plt_entry): Allow weak undefined symbols.
9169         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
9170         building shared libraries.
9171         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
9172         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
9173         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
9174         * testsuite/Makefile.in: Rebuild.
9175         * testsuite/weak_undef.h: New file.
9176         * testsuite/weak_undef_file1.cc: Add extra test cases.
9177         * testsuite/weak_undef_file2.cc: Likewise.
9178         * testsuite/weak_undef_test.cc: Likewise.
9179
9180 2008-04-16  David S. Miller  <davem@davemloft.net>
9181
9182         * sparc.cc (Target_sparc::Scan): Change from struct to class.
9183         Add issued_non_pic_error_ field.  Declare check_non_pic.
9184         (Target_sparc::Scan::check_non_pic): New function.
9185         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
9186         (Target_sparc::Scan::global): Likewise.
9187
9188         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
9189         * configure: Rebuild.
9190
9191         * options.h (DEFINE_enable): New macro.
9192         (new_dtags): New enable option.
9193         (initfirst, interpose, loadfltr, nodefaultlib,
9194         nodelete, nodlopen, nodump): New -z options.
9195         * layout.cc (Layout:finish_dynamic_section): If new
9196         dtags enabled, emit DT_RUNPATH.  Also, emit a
9197         DT_FLAGS_1 containing any specified -z flags.
9198
9199 2008-04-16  Ian Lance Taylor  <iant@google.com>
9200
9201         * copy-relocs.cc: New file.
9202         * copy-relocs.h: New file.
9203         * reloc.cc: Remove Copy_relocs code.
9204         * reloc.h: Likewise.
9205         * reloc-types.h (struct Reloc_types) [both versions]: Add
9206         get_reloc_addend_noerror.
9207         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
9208         variants of add_global which take an addend which must be zero.
9209         * i386.cc: Include "copy-relocs.h".
9210         (class Target_i386): Change type of copy_relocs_ to variable,
9211         update initializer.
9212         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
9213         Change all callers.
9214         (Target_i386::do_finalize_sections): Change handling of
9215         copy_relocs_.
9216         * sparc.cc: Include "copy-relocs.h".
9217         (class Target_sparc): Change type of copy_relocs_ to variable,
9218         update initializer.
9219         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
9220         Change all callers.
9221         (Target_sparc::do_finalize_sections): Change handling of
9222         copy_relocs_.
9223         * x86_64.cc: Include "copy-relocs.h".
9224         (class Target_x86_64): Change type of copy_relocs_ to variable,
9225         update initializer.
9226         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
9227         class.  Change all callers.
9228         (Target_x86_64::do_finalize_sections): Change handling of
9229         copy_relocs_.
9230         * Makefile.am (CCFILES): Add copy-relocs.cc.
9231         (HFILES): Add copy-relocs.h.
9232
9233         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
9234
9235         * testsuite/script_test_4.sh: Permit leading zeroes.
9236
9237 2008-04-15  Ian Lance Taylor  <iant@google.com>
9238
9239         * script-sections.cc (Script_sections::create_segments): Use
9240         header_size_adjustment even when there is enough room for the
9241         headers.
9242         * testsuite/script_test_4.sh: New file.
9243         * testsuite/script_test_4.t: New file.
9244         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
9245         (check_DATA): Add script_test_4.stdout.
9246         (MOSTLYCLEANFILES): Likewise.
9247         (script_test_4): New target.
9248         (script_test_4.stdout): New target.
9249         * testsuite/Makefile.in: Rebuild.
9250
9251         * sparc.cc: Add definitions for Output_data_plt_sparc class
9252         constants.
9253
9254 2008-04-14  David S. Miller  <davem@davemloft.net>
9255
9256         * sparc.cc: New file.
9257         * Makefile.am (TARGETSOURCES): Add sparc.cc
9258         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9259         * configure.tgt: Document targ_extra_size and
9260         targ_extra_big_endian.  Add entries for sparc-* and
9261         sparc64-*.
9262         * configure.ac: Handle targ_extra_size and
9263         targ_extra_big_endian.
9264         * Makefile.in: Rebuild.
9265         * configure: Likewise.
9266         * po/POTFILES.in: Likewise.
9267         * po/gold.pot: Likewise.
9268
9269 2008-04-14  Ian Lance Taylor  <iant@google.com>
9270
9271         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9272         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9273         in the name/type/flags to section mapping.  Don't call
9274         allocate_output_section.
9275         (Layout::choose_output_section): Change parameter from adjust_name
9276         to is_input_section.  Don't permit input sections after sections
9277         are attached to segments.  Don't call allocate_output_section.
9278         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9279         not write_enable_output_section.
9280         (Layout::make_output_section): Don't push to
9281         unattached_section_list_ nor call attach_to_segment.  Call
9282         attach_section_to_segment if sections are attached.
9283         (Layout::attach_sections_to_segments): New function.
9284         (Layout::attach_section_to_segment): New function.
9285         (Layout::attach_allocated_section_to_segment): Rename from
9286         attach_to_segment.  Remove flags parameter.
9287         (Layout::allocate_output_section): Remove function.
9288         (Layout::write_enable_output_section): Remove function.
9289         * layout.h (class Layout): Update for above changes.  Add new
9290         field sections_are_attached_.
9291         * output.h (Output_section::update_flags_for_input_section): New
9292         function.
9293         * output.cc (Output_section::add_input_section): Call
9294         update_flags_for_input_section.
9295         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9296
9297 2008-04-11  Cary Coutant  <ccoutant@google.com>
9298
9299         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9300         thought unnecessary.
9301         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9302
9303 2008-04-11  Ian Lance Taylor  <iant@google.com>
9304
9305         * output.h (class Output_section_data): Remove inline definition
9306         of set_addralign.
9307         * output.cc (Output_section_data::set_addralign): New function.
9308
9309 2008-04-11  Cary Coutant  <ccoutant@google.com>
9310
9311         Add support for TLS descriptors for i386 and x86_64.
9312         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9313         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9314         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9315         GOT_TYPE_TLS_DESC.
9316         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9317         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9318         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9319         relocations.
9320         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9321         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9322         Fix problem with initial-exec relocations.
9323         (Target_i386::Relocate::relocate_tls): Likewise.
9324         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9325         relaxation.
9326         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9327         support for section-plus-offset dynamic table entries.
9328         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9329         (Output_data_dynamic::Dynamic_entry): Add support for
9330         section-plus-offset dynamic table entries.
9331         (Output_data_dynamic::Classification): Likewise.
9332         (Output_data_dynamic::classification_): Renamed offset_.
9333         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9334         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9335         (Target_x86_64::make_plt_section): New function.
9336         (Target_x86_64::reserve_tlsdesc_entries): New function.
9337         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9338         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9339         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9340         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9341         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9342         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9343         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9344         add extra PLT entry for TLS descriptors.
9345         (Output_data_plt_x86_64::got_): New field.
9346         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9347         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9348         fields.
9349         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9350         descriptors.
9351         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9352         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9353         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9354         R_386_TLS_DESC_CALL relocations.
9355         (Target_x86_64::Scan::global): Likewise.
9356         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9357         for TLS descriptors.
9358         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9359         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9360         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9361         GD-to-IE relaxation.
9362         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9363         and TLS_DESCRIPTORS.
9364         * Makefile.in: Rebuild.
9365         * configure: Rebuild.
9366         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9367         (tls_test_shared2.so): New target.
9368         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9369         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9370         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9371         (tls_shared_gd_to_ie_test_LDADD): New variable.
9372         (tls_shared_gnu2_gd_to_ie_test): New target.
9373         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9374         New targets.
9375         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9376         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9377         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9378         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9379         (tls_shared_gnu2_test): New target.
9380         (tls_test_gnu2_shared.so): New target.
9381         (tls_shared_gnu2_test_SOURCES): New variable.
9382         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9383         (tls_shared_gnu2_test_LDFLAGS): New variable.
9384         (tls_shared_gnu2_test_LDADD): New variable.
9385         * testsuite/Makefile.in: Rebuild.
9386         * testsuite/Makefile.
9387
9388 2008-04-11  Ian Lance Taylor  <iant@google.com>
9389
9390         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9391         justsyms.t.
9392         * testsuite/Makefile.in: Rebuild.
9393
9394         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9395         long.
9396         * testsuite/script_test_2.cc (main): Adjust test.
9397
9398 2008-04-11  David S. Miller  <davem@davemloft.net>
9399             Ian Lance Taylor  <iant@google.com>
9400
9401         * options.h (General_options): Add entries for '-Y' and
9402         '-relax'.
9403         * options.cc (General_options:finalize): If -Y was used, add those
9404         entries to the library path instead of the default "/lib" and
9405         "/usr/lib".
9406
9407 2008-04-11  David S. Miller  <davem@davemloft.net>
9408
9409         * testsuite/justsyms.t: Start at 0x100.
9410         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9411         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9412         long.
9413         * testsuite/script_test_2.cc: Adjust string and section length
9414         checks.
9415
9416 2008-04-09  Ian Lance Taylor  <iant@google.com>
9417
9418         PR gold/5996
9419         * script-sections.cc (Sections_element::allocate_to_segment): Add
9420         orphan parameter.
9421         (Output_section_definition::allocate_to_segment): Likewise.
9422         (Orphan_output_section::allocate_to_segment): Likewise.
9423         (Script_sections::attach_sections_using_phdrs_clause): Don't
9424         propagate non-PT_LOAD segments to orphan sections.
9425         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9426         readelf rather than objdump.
9427         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9428         .interp section and PT_INTERP segment are the same size.
9429         * testsuite/Makefile.in: Rebuild.
9430
9431         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9432         aliases for symbols defined in the same object.
9433         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9434         (weak_alias_test_SOURCES): New variable.
9435         (weak_alias_test_DEPENDENCIES): New variable.
9436         (weak_alias_test_LDFLAGS): New variable.
9437         (weak_alias_test_LDADD): New variable.
9438         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9439         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9440         (weak_alias_test_3.o): New target.
9441         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9442         * testsuite/weak_alias_test_main.cc: New file.
9443         * testsuite/weak_alias_test_1.cc: New file.
9444         * testsuite/weak_alias_test_2.cc: New file.
9445         * testsuite/weak_alias_test_3.cc: New file.
9446
9447 2008-04-08  Ian Lance Taylor  <iant@google.com>
9448
9449         * options.h (class General_options): Add --noinhibit-exec option.
9450         * main.cc (main): Check --noinhibit-exec.
9451
9452         * options.h (class General_options): Define --wrap as a special
9453         option.  Add wrap_symbols_ field.
9454         (General_options::any_wrap_symbols): New function.
9455         (General_options::is_wrap_symbol): New function.
9456         * options.cc (General_options::parse_wrap): New function.
9457         (General_options::General_options): Initialize wrap_symbols_.
9458         * symtab.cc (Symbol_table::wrap_symbol): New function.
9459         (Symbol_table::add_from_object): Handle --wrap.
9460         * symtab.h (class Symbol_table): Declare wrap_symbol.
9461         * target.h (Target::wrap_char): New function.
9462         (Target::Target_info): Add wrap_char field.
9463         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9464         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9465         * testsuite/testfile.cc (Target_test::test_target_info):
9466         Likewise.
9467
9468         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9469         there is one.
9470
9471         * layout.h (class Layout): Add added_eh_frame_data_ field.
9472         * layout.cc (Layout::Layout): Initialize new field.
9473         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9474         output section until we find a section we merged successfully.
9475         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9476         that the size be non-zero.
9477
9478         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9479         qualifier.
9480
9481 2008-04-08  Craig Silverstein  <csilvers@google.com>
9482
9483         * configure.ac: Export new conditional variable HAVE_ZLIB.
9484         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9485         on HAVE_ZLIB.
9486         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9487         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9488
9489 2008-04-07  Ian Lance Taylor  <iant@google.com>
9490
9491         * version.cc (version_string): Set to "1.5".
9492
9493         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9494         Add issued_non_pic_error_ field.  Declare check_non_pic.
9495         (Target_x86_64::Scan::check_non_pic): New function.
9496         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9497         (Target_x86_64::Scan::global): Likewise.
9498
9499         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9500         addend parameter.  Change caller.  Handle merge sections.
9501         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9502         Address to Addend.  Don't add in the result of
9503         local_section_offset, pass down the addend and use the returned
9504         value.
9505         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9506         Update declarations of local_section_offset and symbol_value.
9507         * testsuite/two_file_test_1.cc (t18): New function.
9508         * testsuite/two_file_test_2.cc (f18): New function.
9509         * testsuite/two_file_test_main.cc (main): Call t18.
9510         * testsuite/two_file_test.h (t18, f18): Declare.
9511
9512         * configure.ac: Don't test for objdump, c++filt, or readelf.
9513         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9514         conditionals.
9515         (TEST_READELF): New variable.
9516         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9517         (check_PROGRAMS): Add two_file_strip_test.
9518         (two_file_strip_test): New target.
9519         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9520         (two_file_same_shared_strip_test_SOURCES): New variable.
9521         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9522         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9523         (two_file_same_shared_strip_test_LDADD): New variable.
9524         (two_file_shared_strip.so): New target.
9525         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9526         (ver_test_5.syms, ver_test_7.syms): Likewise.
9527         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9528         (strip_test_3.stdout): Use TEST_OBJDUMP.
9529         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9530
9531 2008-04-04  Cary Coutant  <ccoutant@google.com>
9532
9533         * symtab.h (Symbol::is_weak_undefined): New function.
9534         (Symbol::is_strong_undefined): New function.
9535         (Symbol::is_absolute): New function.
9536         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9537         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9538         absolute symbols.
9539         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9540         (weak_undef_test): New target.
9541         * testsuite/Makefile.in: Rebuild.
9542         * testsuite/weak_undef_file1.cc: New file.
9543         * testsuite/weak_undef_file2.cc: New file.
9544         * testsuite/weak_undef_test.cc: New file.
9545
9546 2008-04-03  Craig Silverstein  <csilvers@google.com>
9547
9548         * compressed_output.h (class Output_compressed_section): Use
9549         unsigned buffer.
9550         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9551         add zlib header.
9552         (zlib_compressed_suffix): Removed.
9553         (Output_compressed_section::set_final_data_size): Use unsigned
9554         buffers.
9555         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9556         Fix linker invocation.
9557         (flagstest_o_specialfile_and_compress_debug_sections):
9558         Likewise.
9559         * testsuite/Makefile.in: Regenerated.
9560
9561 2008-04-02  David S. Miller  <davem@davemloft.net>
9562
9563         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9564         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9565
9566 2008-04-02  Craig Silverstein  <csilvers@google.com>
9567
9568         * TODO: New file.
9569
9570 2008-04-02  Ian Lance Taylor  <iant@google.com>
9571
9572         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9573         parameters.  Update for new key type to views_.  Change all
9574         callers.
9575         (File_read::read): Adjust for byteshift in returned view.
9576         (File_read::add_view): New function, broken out of
9577         find_and_make_view.
9578         (File_read::make_view): New function, broken out of
9579         find_and_make_view.
9580         (File_read::find_or_make_view): Add offset and aligned
9581         parameters.  Rewrite accordingly.  Change all callers.
9582         (File_read::get_view): Add offset and aligned parameters.  Adjust
9583         for byteshift in return value.
9584         (File_read::get_lasting_view): Likewise.
9585         * fileread.h (class File_read): Update declarations.
9586         (class File_read::View): Add byteshift_ field.  Add byteshift to
9587         constructor.  Add byteshift method.
9588         * archive.h (Archive::clear_uncached_views): New function.
9589         (Archive::get_view): Add aligned parameter.  Change all callers.
9590         * object.h (Object::get_view): Add aligned parameter.  Change all
9591         callers.
9592         (Object::get_lasting_view): Likewise.
9593
9594         * fileread.cc (File_read::release): Don't call clear_views if
9595         there are multiple objects.
9596         * fileread.h (File_read::clear_uncached_views): New function.
9597         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9598         on the archive.
9599
9600 2008-03-31  Cary Coutant  <ccoutant@google.com>
9601
9602         Add thin archive support.
9603         * archive.cc (Archive::armagt): New const.
9604         (Archive::setup): Remove task parameter and calls to unlock.
9605         (Archive::unlock_nested_archives): New function.
9606         (Archive::read_header): Add nested_off parameter. Change
9607         all callers.
9608         (Archive::interpret_header): Likewise.
9609         (Archive::include_all_members): Change to handle thin
9610         archives.
9611         (Archive::include_member): Likewise.
9612         * archive.h (Archive::Archive): Add new parameters and
9613         initializers.
9614         (Archive::armagt): New const.
9615         (Archive::setup): Remove task parameter.
9616         (Archive::unlock_nested_archives): New function.
9617         (Archive::read_header): Add nested_off parameter.
9618         (Archive::interpret_header): Likewise.
9619         (Archive::Nested_archive_table): New typedef.
9620         (Archive::is_thin_archive_): New field.
9621         (Archive::nested_archives_): New field.
9622         (Archive::options_): New field.
9623         (Archive::dirpath_): New field.
9624         (Archive::task_): New field.
9625         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9626         for thin archives.  Pass additional parameters to
9627         Archive::Archive.  Unlock the archive file after calling
9628         Archive::setup.
9629
9630 2008-03-29  Ian Lance Taylor  <iant@google.com>
9631
9632         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9633         version symbol to be local.
9634         * testsuite/ver_test_4.sh: New file.
9635         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9636         (check_DATA): Add ver_test_4.syms.
9637         (ver_test_4.syms): New target.
9638         * testsuite/Makefile.in: Rebuild.
9639
9640         * output.cc
9641         (Output_section::Input_section_sort_entry::has_priority): New
9642         function.
9643         (Output_section::Input_section_sort_entry::match_file_name): New
9644         function.
9645         (Output_section::Input_section_sort_entry::match_section_name):
9646         Remove.
9647         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9648         Remove.
9649         (Output_section::Input_section_sort_entry::match_section_file):
9650         Remove.
9651         (Output_section::Input_section_sort_compare::operator()): Rewrite
9652         using new Input_section_sort_entry functions.  Sort crtbegin and
9653         crtend first.  Sort sections with no priority before sections with
9654         a priority.
9655         * testsuite/initpri1.c (d3): Check j != 4.
9656         (cd5): New constructor/destructor function.
9657         (main): Check j != 2.
9658
9659         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9660         new symbol when resolving, don't call set_is_default.
9661         * testsuite/ver_test_7.cc: New file.
9662         * testsuite/ver_test_7.sh: New file.
9663         * testsuite/Makefile.am (ver_test_7.so): New target.
9664         (ver_test_7.o): New target.
9665         (check_SCRIPTS): Add ver_test_7.sh.
9666         (check_DATA): Add ver_test_7.syms.
9667         (ver_test_7.syms): New target.
9668
9669 2008-03-28  Ian Lance Taylor  <iant@google.com>
9670
9671         * layout.cc (Layout::layout): If we see an input section with a
9672         name that needs sorting, set the must_sort flag for the output
9673         section.
9674         (Layout::make_output_section): If the name of the output section
9675         indicates that it might require sorting, set the may_sort flag.
9676         * output.h (Output_section::may_sort_attached_input_sections): New
9677         function.
9678         (Output_section::set_may_sort_attached_input_sections): New
9679         function.
9680         (Output_section::must_sort_attached_input_sections): New
9681         function.
9682         (Output_section::set_must_sort_attached_input_sections): New
9683         function.
9684         (class Output_section): Declare Input_section_sort_entry.  Define
9685         Input_section_sort_compare.  Declare
9686         sort_attached_input_sections.  Add new fields:
9687         may_sort_attached_input_sections_,
9688         must_sort_attached_input_sections_,
9689         attached_input_sections_are_sorted_.
9690         * output.cc (Output_section::Output_section): Initialize new
9691         fields.
9692         (Output_section::add_input_section): Add an entry to
9693         input_sections_ if may_sort or must_sort are true.
9694         (Output_section::set_final_data_size): Call
9695         sort_attached_input_sections if necessary.
9696         (Output_section::Input_section_sort_entry): Define new class.
9697         (Output_section::Input_section_sort_compare::operator()): New
9698         function.
9699         (Output_section::sort_attached_input_sections): New function.
9700         * configure.ac: Check whether the compiler supports constructor
9701         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9702         * testsuite/initpri1.c: New file.
9703         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9704         CONSTRUCTOR_PRIORITY.
9705         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9706         (initpri1_LDFLAGS): New variable.
9707         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9708
9709 2008-03-27  Ian Lance Taylor  <iant@google.com>
9710
9711         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9712         * testsuite/common_test_1.c: New file.
9713         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9714         (common_test_1_SOURCES): New variable.
9715         (common_test_1_DEPENDENCIES): New variable.
9716         (common_test_1_LDFLAGS): New variable.
9717
9718         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9719         and commons_ correctly when NAME/VERSION does not override
9720         NAME/NULL.
9721         * testsuite/ver_test_6.c: New file.
9722         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9723         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9724         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9725
9726 2008-03-26  Ian Lance Taylor  <iant@google.com>
9727
9728         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9729         of an undefined symbol from a version script.
9730         * testsuite/Makefile.am (ver_test_5.so): New target.
9731         (ver_test_5.o): New target.
9732         (check_SCRIPTS): Add ver_test_5.sh.
9733         (check_DATA): Add ver_test_5.syms.
9734         (ver_test_5.syms): New target.
9735         * testsuite/ver_test_5.cc: New file.
9736         * testsuite/ver_test_5.script: New file.
9737         * testsuite/ver_test_5.sh: New file.
9738         * Makefile.in, testsuite/Makefile.in: Rebuild.
9739
9740         PR gold/5986
9741         Fix problems building gold with gcc 4.3.0.
9742         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9743         (gold_error_at_location, gold_warning_at_location): Use it.
9744         * configure.ac: Check whether we can compile and use a template
9745         function with a printf attribute.
9746         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9747         when jumping over bytes.
9748         * object.cc: Instantiate Object::read_section_data.
9749         * debug.h: Include <cstring>
9750         * dwarf_reader.cc: Include <algorithm>
9751         * main.cc: Include <cstring>.
9752         * options.cc: Include <cstring>.
9753         * output.cc: Include <cstring>.
9754         * script.cc: Include <cstring>.
9755         * script.h: Include <string>.
9756         * symtab.cc: Include <cstring> and <algorithm>.
9757         * target-select.cc: Include <cstring>.
9758         * version.cc: Include <string>.
9759         * testsuite/testmain.cc: Include <cstdlib>.
9760         * configure, config.in: Rebuild.
9761
9762 2008-03-25  Ian Lance Taylor  <iant@google.com>
9763
9764         * options.cc: Include "../bfd/bfdver.h".
9765         (options::help): Print bug reporting address.
9766
9767         * version.cc (print_version): Adjust output for current value of
9768         BFD_VERSION_STRING.
9769
9770         * NEWS: New file.
9771
9772         * options.cc (options::help): Print list of supported targets.
9773         * target-select.h: Include <vector>.
9774         (class Target_selector): Make machine_, size_, and is_big_endian_
9775         fields const.  Add bfd_name_ and instantiated_target_ fields.
9776         (Target_selector::Target_selector): Add bfd_name parameter.
9777         (Target_selector::recognize): Make non-virtual, call
9778         do_recognize.
9779         (Target_selector::recognize_by_name): Make non-virtual, call
9780         do_recognize_by_name.
9781         (Target_selector::supported_names): New function.
9782         (Target_selector::bfd_name): New function.
9783         (Target_selector::do_instantiate_target): New pure virtual
9784         function.
9785         (Target_selector::do_recognize): New virtual function.
9786         (Target_selector::do_recognize_by_name): New virtual function.
9787         (Target_selector::instantiate_target): New private function.
9788         (supported_target_names): Declare.
9789         * target-select.cc (Target_selector::Target_selector): Update for
9790         new parameter and fields.
9791         (select_target_by_name): Check that the name matches before
9792         calling recognize_by_name.
9793         (supported_target_names): New function.
9794         * i386.cc (class Target_selector_i386): Update Target_selector
9795         constructor call.  Remove recognize and recognize_by_name.  Add
9796         do_instantiate_target.
9797         * x86_64.cc (class Target_selector_x86_64): Likewise.
9798         * testsuite/testfile.cc (class Target_selector_test): Update for
9799         changes to Target_selector.
9800
9801         * README: Rewrite, with some notes on unsupported features.
9802
9803 2008-03-24  Cary Coutant  <ccoutant@google.com>
9804
9805         * i386.cc (Target_i386::Got_type): New enum declaration.
9806         (Target_i386::Scan::local): Updated callers of Output_data_got
9807         member functions.
9808         (Target_i386::Scan::global): Likewise.
9809         (Target_i386::Relocate::relocate): Likewise.
9810         (Target_i386::Relocate::relocate_tls): Likewise.
9811         * object.h (Got_offset_list): New class.
9812         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9813         (Sized_relobj::local_got_offset): Likewise.
9814         (Sized_relobj::set_local_got_offset): Likewise.
9815         (Sized_relobj::local_has_tls_got_offset): Removed.
9816         (Sized_relobj::local_tls_got_offset): Removed.
9817         (Sized_relobj::set_local_tls_got_offset): Removed.
9818         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9819         * output.cc (Output_data_got::add_global): Added got_type parameter.
9820         (Output_data_got::add_global_with_rel): Likewise.
9821         (Output_data_got::add_global_with_rela): Likewise.
9822         (Output_data_got::add_global_pair_with_rel): New function.
9823         (Output_data_got::add_global_pair_with_rela): New function.
9824         (Output_data_got::add_local): Added got_type parameter.
9825         (Output_data_got::add_local_with_rel): Likewise.
9826         (Output_data_got::add_local_with_rela): Likewise.
9827         (Output_data_got::add_local_pair_with_rel): New function.
9828         (Output_data_got::add_local_pair_with_rela): New function.
9829         (Output_data_got::add_global_tls): Removed.
9830         (Output_data_got::add_global_tls_with_rel): Removed.
9831         (Output_data_got::add_global_tls_with_rela): Removed.
9832         (Output_data_got::add_local_tls): Removed.
9833         (Output_data_got::add_local_tls_with_rel): Removed.
9834         (Output_data_got::add_local_tls_with_rela): Removed.
9835         * output.h (Output_data_got::add_global): Added got_type parameter.
9836         (Output_data_got::add_global_with_rel): Likewise.
9837         (Output_data_got::add_global_with_rela): Likewise.
9838         (Output_data_got::add_global_pair_with_rel): New function.
9839         (Output_data_got::add_global_pair_with_rela): New function.
9840         (Output_data_got::add_local): Added got_type parameter.
9841         (Output_data_got::add_local_with_rel): Likewise.
9842         (Output_data_got::add_local_with_rela): Likewise.
9843         (Output_data_got::add_local_pair_with_rel): New function.
9844         (Output_data_got::add_local_pair_with_rela): New function.
9845         (Output_data_got::add_global_tls): Removed.
9846         (Output_data_got::add_global_tls_with_rel): Removed.
9847         (Output_data_got::add_global_tls_with_rela): Removed.
9848         (Output_data_got::add_local_tls): Removed.
9849         (Output_data_got::add_local_tls_with_rel): Removed.
9850         (Output_data_got::add_local_tls_with_rela): Removed.
9851         * resolve.cc (Symbol::override_base_with_special): Removed
9852         reference to has_got_offset_ field.
9853         * symtab.cc (Symbol::init_fields): Replaced initialization
9854         of got_offset_ with got_offsets_.  Removed initialization
9855         of has_got_offset_
9856         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9857         (Symbol::got_offset): Likewise.
9858         (Symbol::set_got_offset): Likewise.
9859         (Symbol::has_tls_got_offset): Removed.
9860         (Symbol::tls_got_offset): Removed.
9861         (Symbol::set_tls_got_offset): Removed.
9862         (Symbol::got_offset_): Removed.
9863         (Symbol::tls_mod_got_offset_): Removed.
9864         (Symbol::tls_pair_got_offset_): Removed.
9865         (Symbol::got_offsets_): New field.
9866         (Symbol::has_got_offset): Removed.
9867         (Symbol::has_tls_mod_got_offset): Removed.
9868         (Symbol::has_tls_pair_got_offset): Removed.
9869         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9870         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9871         member functions.
9872         (Target_x86_64::Scan::global): Likewise.
9873         (Target_x86_64::Relocate::relocate): Likewise.
9874         (Target_x86_64::Relocate::relocate_tls): Likewise.
9875
9876 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9877
9878         * yyscript.y: Fix spelling error in comment.
9879
9880 2008-03-24  Ian Lance Taylor  <iant@google.com>
9881
9882         * options.h (class General_options): Define build_id option.
9883         * layout.h (class Layout): Declare write_build_id, create_note,
9884         create_build_id.  Add build_id_note_ member.
9885         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9886         "libiberty.h", "md5.h", "sha1.h".
9887         (Layout::Layout): Initialize eh_frame_data_,
9888         eh_frame_hdr_section_, and build_id_note_.
9889         (Layout::finalize): Call create_build_id.
9890         (Layout::create_note): New function, broken out of
9891         Layout::create_gold_note.
9892         (Layout::create_gold_note): Call create_note.
9893         (Layout::create_build_id): New function.
9894         (Layout::write_build_id): New function.
9895         (Close_task_runner::run): Call write_build_id.
9896
9897         * x86_64.cc: Correct license to GPLv3.
9898
9899 2008-03-23  Ian Lance Taylor  <iant@google.com>
9900
9901         * options.cc: Include "demangle.h".
9902         (parse_optional_string): New function.
9903         (parse_long_option): Handle takes_optional_argument.
9904         (parse_short_option): Update dash_z initializer.  Handle
9905         takes_optional_argument.
9906         (General_options::General_options): Initialize do_demangle_.
9907         (General_options::finalize): Set do_demangle_.  Handle demangling
9908         style.
9909         * options.h (parse_optional_string): Declare.
9910         (struct One_option): Add optional_arg field.  Update constructor.
9911         Update call constructor calls.  Add takes_optional_argument
9912         function.
9913         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9914         (DEFINE_optional_string): Define.
9915         (General_options::demangle): Change from DEFINE_bool to
9916         DEFINE_optional_string.
9917         (General_options::no_demangle): New function.
9918         (General_options::do_demangle): New function.
9919         (General_options::set_do_demangle): New function.
9920         (General_options::execstack_status_): Move definition to end of
9921         class definition.
9922         (General_options::static_): Likewise.
9923         (General_options::do_demangle_): New field.
9924         * object.cc (big_endian>::get_symbol_location_info): Call
9925         Options::do_demangle, not Options::demangle.
9926         * symtab.cc (demangle): Likewise.
9927
9928 2008-03-22  Ian Lance Taylor  <iant@google.com>
9929
9930         * gold.h: Include <cstddef> and <sys/types.h>
9931         * options.h: Include <cstring>.
9932
9933 2008-03-21  Ian Lance Taylor  <iant@google.com>
9934
9935         * Added source code to GNU binutils.