2011-04-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[platform/upstream/binutils.git] / gold / ChangeLog
1 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2
3         PR gold/12640
4         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
5         violation.
6
7 2011-03-30  Cary Coutant  <ccoutant@google.com>
8
9         * archive.cc (Archive::include_member): Adjust call to report_object.
10         (Add_archive_symbols::run): Add script_info to call to
11         report_archive_begin.
12         (Lib_group::include_member): Adjust call to report_object.
13         (Add_lib_group_symbols::run): Adjust call to report_object.
14         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
15         blocks.  Add object count for script input files.
16         * incremental.cc (Incremental_inputs::report_archive_begin): Add
17         script_info parameter; change all callers.
18         (Incremental_inputs::report_object): Add script_info parameter;
19         change all callers.
20         (Incremental_inputs::report_script): Store backpointer to
21         incremental info entry.
22         (Output_section_incremental_inputs::set_final_data_size): Record
23         additional information for scripts.
24         (Output_section_incremental_inputs::write_info_blocks): Likewise.
25         * incremental.h (Incremental_script_entry::add_object): New function.
26         (Incremental_script_entry::get_object_count): New function.
27         (Incremental_script_entry::get_object): New function.
28         (Incremental_script_entry::objects_): New data member; adjust
29         constructor.
30         (Incremental_inputs::report_archive_begin): Add script_info parameter.
31         (Incremental_inputs::report_object): Add script_info parameter.
32         (Incremental_inputs_reader::get_object_count): New function.
33         (Incremental_inputs_reader::get_object_offset): New function.
34         * options.cc (Input_arguments::add_file): Return reference to
35         new input argument.
36         * options.h (Input_argument::set_script_info): New function.
37         (Input_argument::script_info): New function.
38         (Input_argument::script_info_): New data member; adjust all
39         constructors.
40         (Input_file_group::add_file): Return reference to new input argument.
41         (Input_file_lib::add_file): Likewise.
42         (Input_arguments::add_file): Likewise.
43         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
44         * script.cc (Parser_closure::Parser_closure): Add script_info
45         parameter; adjust all callers.
46         (Parser_closure::script_info): New function.
47         (Parser_closure::script_info_): New data member.
48         (read_input_script): Report scripts earlier to incremental info.
49         (script_add_file): Set script_info in Input_argument.
50         (script_add_library): Likewise.
51         * script.h (Script_options::Script_info): Rewrite class.
52
53 2011-03-29  Cary Coutant  <ccoutant@google.com>
54
55         * archive.cc (Library_base::should_include_member): Move
56         method here from class Archive.
57         (Archive::Archive): Initialize base class.
58         (Archive::should_include_member): Move to base class.
59         (Archive::do_for_all_unused_symbols): New function.
60         (Add_archive_symbols::run): Remove redundant access to
61         incremental_inputs.
62         (Lib_group::Lib_group): Initialize base class.
63         (Lib_group::do_filename): New function.
64         (Lib_group::include_member): Pass pointer to Lib_group to
65         report_object.
66         (Lib_group::do_for_all_unused_symbols): New function.
67         (Add_lib_group_symbols::run): Report archive information for
68         incremental links.
69         * archive.h (class Library_base): New base class.
70         (class Archive): Derive from Library_base.
71         (Archive::filename): Move to base class.
72         (Archive::set_incremental_info): Likewise.
73         (Archive::incremental_info): Likewise.
74         (Archive::Should_include): Likewise.
75         (Archive::should_include_member): Likewise.
76         (Archive::Armap_entry): Remove.
77         (Archive::Unused_symbol_iterator): Remove.
78         (Archive::unused_symbols_begin): Remove.
79         (Archive::unused_symbols_end): Remove.
80         (Archive::do_filename): New function.
81         (Archive::do_get_mtime): New function.
82         (Archive::do_for_all_unused_symbols): New function.
83         (Archive::task_): Move to base class.
84         (Archive::incremental_info_): Likewise.
85         (class Lib_group): Derive from Library_base.
86         (Lib_group::do_filename): New function.
87         (Lib_group::do_get_mtime): New function.
88         (Lib_group::do_for_all_unused_symbols): New function.
89         (Lib_group::task_): Move to base class.
90         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
91         function.
92         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
93         function.
94         * incremental.cc (Incremental_inputs::report_archive_begin):
95         Use Library_base; call library's get_mtime; add incremental inputs
96         entry before members.
97         (class Unused_symbol_visitor): New class.
98         (Incremental_inputs::report_archive_end): Use Library_base; use
99         visitor class to record unused symbols; don't add incremental inputs
100         entry after members.
101         (Incremental_inputs::report_object): Use Library_base.
102         * incremental.h
103         (Incremental_archive_entry::Incremental_archive_entry): Remove
104         unused Archive parameter.
105         (Incremental_inputs::report_archive_begin): Use Library_base.
106         (Incremental_inputs::report_archive_end): Likewise.
107         (Incremental_inputs::report_object): Likewise.
108         * object.cc (Sized_relobj::do_for_all_global_symbols): New
109         function.
110         * object.h (Object::for_all_global_symbols): New function.
111         (Object::do_for_all_global_symbols): New function.
112         (Sized_relobj::do_for_all_global_symbols): New function.
113         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
114         function.
115         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
116         function.
117
118 2011-03-27  Ian Lance Taylor  <iant@google.com>
119
120         * archive.cc (Archive::interpret_header): Return -1 if something
121         goes wrong.  Change callers accordingly.
122
123 2011-03-25  Cary Coutant  <ccoutant@google.com>
124
125         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
126         * testsuite/Makefile.in: Regenerate.
127
128 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
129
130         * plugin.cc (get_view): New.
131         (Plugin::load): Pass get_view to the plugin.
132         (Plugin_manager::get_view): New.
133
134 2011-03-21  Ian Lance Taylor  <iant@google.com>
135
136         * testsuite/final_layout.sh: Rewrite to not use dc.
137         * testsuite/relro_test.sh: Fail if dc is not present.
138
139 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
140
141         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
142         Change == to -eq.
143         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
144         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
145         Change == to -eq.
146         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
147         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
148
149 2011-03-14  Ian Lance Taylor  <iant@google.com>
150
151         * script-sections.cc (Sort_output_sections::script_compare):
152         Rename from is_before, change return type.
153         (Sort_output_sections::operator()): Adjust accordingly.
154
155 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
156
157         PR gold/12572
158         * testsuite/odr_violation2.cc: Add comment to make all error line
159         numbers double digits.
160         * testsuite/debug_msg.sh: Adjust expected errors.
161
162 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
163
164         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
165         but mark earlier ones as non-canonical
166         (offset_to_iterator): Update search target and example
167         (do_addr2line): Return extra lines in a vector*
168         (format_file_lineno): Extract from do_addr2line
169         (one_addr2line): Add vector* out-param
170         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
171         when a lineno entry appeared last for its instruction
172         (Dwarf_line_info): Add vector* out-param
173         * object.cc (Relocate_info): Pass NULL for the vector* out-param
174         * symtab.cc (Odr_violation_compare): Include the lineno in the
175         comparison again.
176         (linenos_from_loc): New. Combine the canonical line for an
177         address with its other lines.
178         (True_if_intersect): New. Helper functor to make
179         std::set_intersection a query.
180         (detect_odr_violations): Compare sets of lines instead of just
181         one line for each function. This became less deterministic, but
182         has fewer false positives.
183         * symtab.h: Declarations.
184         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
185         mix an optimized and non-optimized object in the same binary
186         (odr_violation2.so): Same.
187         * testsuite/Makefile.in: Regenerate from Makefile.am.
188         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
189         * testsuite/debug_msg.sh: Update line numbers and add
190         assertions.
191         * testsuite/odr_violation1.cc: Use OdrDerived, in a
192         non-optimized context.
193         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
194         isn't inlined, and use OdrDerived in an optimized context.
195         * testsuite/odr_header1.h: Defines OdrDerived, where
196         optimization will change the
197         first-instruction-in-the-destructor's file and line number.
198         * testsuite/odr_header2.h: Defines OdrBase.
199
200 2011-03-09  Ian Lance Taylor  <iant@google.com>
201
202         * fileread.cc (File_read::clear_views): Don't delete the whole
203         file view.
204
205 2011-03-08  Ian Lance Taylor  <iant@google.com>
206
207         PR gold/12525
208         * fileread.cc: #include <climits>.
209         (GOLD_IOV_MAX): Define.
210         (File_read::read_multiple): Limit number of entries by iov_max.
211         * fileread.h (class File_read): Always set max_readv_entries to
212         128.
213
214 2011-03-07  Ian Lance Taylor  <iant@google.com>
215
216         PR gold/12525
217         * options.h (class General_options): Add -dy and -dn.
218
219 2011-03-02  Cary Coutant  <ccoutant@google.com>
220
221         * testsuite/script_test_9.t: Add TLS segment.
222
223 2011-03-02  Simon Baldwin  <simonb@google.com>
224
225         * configure.ac: Add check for gnu_indirect_function support in
226         the toolchain building binutils.
227         * configure: Rebuild.
228
229 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
230
231         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
232         plugin only symbols.
233         (Symbol_table::sized_finalize_symbol) Mark symbol only present
234         in plugin files as not needed in the symbol table.
235
236 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
237
238         * output.cc (Output_section::add_input_section): Delay fill
239         generation for section ordering.
240
241 2011-02-09  Ian Lance Taylor  <iant@google.com>
242
243         PR gold/12316
244         * object.h (class Sized_relobj): Remove clear_local_symbols.
245         * reloc.cc (Sized_relobj::do_relocate): Don't call
246         clear_local_symbols.
247
248 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
249
250         * plugin.cc (is_visible_from_outside): Return true for symbols
251         in the -u option.
252
253 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
254
255         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
256         filename.
257
258 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
259
260         * icf.h (is_section_foldable_candidate): Change type of parameter
261         to std::string.
262         * icf.cc (Icf::find_identical_sections): Change type of local variable
263         section_name to be std::string.
264         (is_function_ctor_or_dtor): Change type of parameter to std::string.
265
266 2011-01-25  Ian Lance Taylor  <iant@google.com>
267
268         * script.cc (script_add_extern): Rewrite to use
269         add_symbol_reference.
270
271 2011-01-25  Doug Kwan  <dougkwan@google.com>
272
273         * icf.cc (get_section_contents): Always lock section's object.
274
275 2011-01-24  Ian Lance Taylor  <iant@google.com>
276
277         * options.h (class General_options): Accept
278         --no-detect-odr-violations.
279
280 2011-01-24  Ian Lance Taylor  <iant@google.com>
281
282         * version.cc (version_string): Bump to 1.11.
283
284 2011-01-24  Ian Lance Taylor  <iant@google.com>
285
286         * plugin.cc (class Plugin_rescan): Define new class.
287         (Plugin_manager::claim_file): Set any_claimed_.
288         (Plugin_manager::save_archive): New function.
289         (Plugin_manager::save_input_group): New function.
290         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
291         necessary.
292         (Plugin_manager::new_undefined_symbol): New function.
293         (Plugin_manager::rescan): New function.
294         (Plugin_manager::rescannable_defines): New function.
295         (Plugin_manager::add_input_file): Set any_added_.
296         * plugin.h (class Plugin_manager): define new fields rescannable_,
297         undefined_symbols_, any_claimed_, and any_added_.  Declare
298         Plugin_rescan as friend.  Declare new functions.
299         (Plugin_manager::Rescannable): Define type.
300         (Plugin_manager::Rescannable_list): Define type.
301         (Plugin_manager::Undefined_symbol_list): Define type.
302         (Plugin_manager::Plugin_manager): Initialize new fields.
303         * archive.cc (Archive::defines_symbol): New function.
304         (Add_archive_symbols::run): Pass archive to plugins if any.
305         * archive.h (class Archive): Declare defines_symbol.
306         * readsyms.cc (Input_group::~Input_group): New function.
307         (Finish_group::run): Pass input_group to plugins if any.
308         * readsyms.h (class Input_group): Declare destructor.
309         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
310         any.
311
312 2011-01-10  Ian Lance Taylor  <iant@google.com>
313
314         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
315         section as relro.
316         (Layout::set_segment_offsets): Reset increase_relro before calling
317         set_section_addresses a second time.
318
319 2011-01-04  Cary Coutant  <ccoutant@google.com>
320
321         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
322         sections before NOBITS sections.
323
324 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
325
326         * version.cc (print_version): Update copyright to 2011.
327
328 2010-12-23  Cary Coutant  <ccoutant@google.com>
329
330         * output.h (Output_data_reloc::add_output_section): Pass OD instead
331         of OS to this->add.  Add OD parameter to second form of the function.
332
333 2010-12-20  Ian Lance Taylor  <iant@google.com>
334
335         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
336         second of two consecutive entries with same offset.
337
338 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
339
340         * testsuite/Makefile.am (ifuncmain2static_LDADD)
341         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
342         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
343         to avoid unneeded links against $(LDADD).
344         * testsuite/Makefile.in: Regenerate.
345
346 2010-12-15  Ian Lance Taylor  <iant@google.com>
347
348         PR gold/12324
349         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
350         for R_X86_64_32 and R_X86_64_PC32.
351         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
352         ver_matching_def_pic.o.
353         (ver_matching_def_pic.o): New target.
354
355 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
356
357         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
358         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
359         Move definition before File_read::View member definitions.
360         (File_read::View::~View): Initialize and hold lock before
361         updating current_mapped_bytes.
362
363 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
364
365         * dwarf_reader.cc: Remove outdated comment.
366         * gold-threads.cc: Fix typo in error message.
367         * archive.cc: Fix typos in comments.
368         * archive.h: Likewise.
369         * arm-reloc-property.cc: Likewise.
370         * arm-reloc-property.h: Likewise.
371         * arm-reloc.def: Likewise.
372         * arm.cc: Likewise.
373         * attributes.h: Likewise.
374         * cref.cc: Likewise.
375         * ehframe.cc: Likewise.
376         * fileread.h: Likewise.
377         * gold.h: Likewise.
378         * i386.cc: Likewise.
379         * icf.cc: Likewise.
380         * incremental.h: Likewise.
381         * int_encoding.cc: Likewise.
382         * layout.h: Likewise.
383         * main.cc: Likewise.
384         * merge.h: Likewise.
385         * object.cc: Likewise.
386         * object.h: Likewise.
387         * options.cc: Likewise.
388         * readsyms.cc: Likewise.
389         * reduced_debug_output.cc: Likewise.
390         * reloc.cc: Likewise.
391         * script-sections.cc: Likewise.
392         * sparc.cc: Likewise.
393         * symtab.h: Likewise.
394         * target-reloc.h: Likewise.
395         * target.cc: Likewise.
396         * target.h: Likewise.
397         * timer.cc: Likewise.
398         * timer.h: Likewise.
399         * x86_64.cc: Likewise.
400
401 2010-12-09  Cary Coutant  <ccoutant@google.com>
402
403         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
404         stack.
405         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
406         parameter; change all callers.
407         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
408         * options.h (warn_execstack): New option.
409
410 2010-12-07  Doug Kwan  <dougkwan@google.com>
411
412         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
413         like function call relocations.
414
415 2010-12-07  Ian Lance Taylor  <iant@google.com>
416
417         * archive.cc (Archive::get_elf_object_for_member): Permit
418         punconfigured to be NULL.
419         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
420         (Archive::include_member): Pass NULL to get_elf_object_for_member
421         if we searched for the archive and this is the first included
422         object.
423
424 2010-12-01  Ian Lance Taylor  <iant@google.com>
425
426         * dwarf_reader.h (class Sized_dwarf_line_info): Add
427         track_relocs_type_ field.
428         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
429         Set track_relocs_type_.
430         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
431         contents when using RELA relocs.
432         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
433         reloc_map_.
434         * reloc.cc (Track_relocs::next_addend): New function.
435         * reloc.h (class Track_relocs): Declare next_addend.
436
437 2010-12-01  Ian Lance Taylor  <iant@google.com>
438
439         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
440         virtual destructor.
441
442 2010-12-01  Ian Lance Taylor  <iant@google.com>
443
444         * README: Update compilers known to work and fail.
445
446 2010-11-23  Matthias Klose  <doko@ubuntu.com>
447
448         * configure.in: For --enable-gold, handle value `default' instead of
449         `both*'.  Always install ld as ld.bfd, install as ld if gold is
450         not the default.
451         * configure: Regenerate.
452
453 2010-11-18  Doug Kwan  <dougkwan@google.com>
454
455         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
456         and right_alignment to be zero.  Store result alignment only if it is
457         greater than existing alignment.
458
459 2010-11-16  Cary Coutant  <ccoutant@google.com>
460
461         PR gold/12220
462         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
463         Check for ".zdebug_line".
464
465 2010-11-16  Doug Kwan  <dougkwan@google.com>
466             Cary Coutant  <ccoutant@google.com>
467
468         * output.h (Output_segment::set_section_addresses): Pass increase_relro
469         by reference; adjust all callers.
470         * output.cc (Output_segment::set_section_addresses): Adjust references
471         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
472         list is empty.
473         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
474         end at page boundary.
475
476 2010-11-16  Cary Coutant  <ccoutant@google.com>
477
478         PR gold/12220
479         * layout.cc (Layout::choose_output_section): Transform names of
480         compressed sections even when using a script with a SECTIONS clause.
481         (Layout::output_section_name): Remove code to transform
482         compressed debug section names.
483         * output.cc (Output_section::add_input_section): Use uncompressed
484         section size when tracking input sections.
485
486 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
487
488         * symtab.h (Symbol::NON_PIC_REF): Remove.
489         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
490         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
491         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
492         (Symbol::use_plt_offset): Take a flags argument and pass it
493         directly to needs_dynamic_reloc.  Restrict check for undefined
494         weak symbols to function calls.
495         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
496         (Target_arm::Scan::global): Use it.
497         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
498         (Target_arm::Relocate::relocate): Likewise.
499         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
500         parameter with an r_type parameter.  Use get_reference_flags
501         to get the flags.
502         (Target_arm::Relocate::relocate): Update accordingly.
503         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
504         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
505         (Target_i386::Scan::global): Likewise.
506         (Target_i386::Relocate::relocate): Likewise.
507         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
508         parameter with an r_type parameter.  Use get_reference_flags
509         to get the flags.
510         (Target_i386::Relocate::relocate): Update accordingly.
511         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
512         (Target_powerpc::Scan::global): Use it.
513         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
514         (Target_powerpc::Relocate::relocate): Likewise.
515         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
516         (Target_sparc::Scan::global): Use it.
517         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
518         (Target_sparc::Relocate::relocate): Likewise.
519         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
520         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
521         (Target_x86_64::Scan::global): Likewise.
522         (Target_x86_64::Relocate::relocate): Likewise.
523
524 2010-11-08  Doug Kwan  <dougkwan@google.com>
525             Cary Coutant  <ccoutant@google.com>
526
527         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
528         (Arm_exidx_merge_section::section_contents_): New data member.
529         (Arm_input_section::Arm_input_section): Initialize original_contents_.
530         (Arm_input_section::~Arm_input_section): De-allocate memory.
531         (Arm_input_section::original_contents_): New data member.       
532         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
533         in parameters instead of calling Object::section_contents without
534         locking.
535         (Arm_output_section::group_section): New parameter TASK.  Pass it
536         to callees that need locking objects.
537         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
538         to lock EXIDX input sections.  Fix a formatting issue.  Call
539         Arm_exidx_merged_section::build_contents to create merged section
540         contents.
541         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
542         to lock object of stub table owner.
543         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
544         TEXT_SIZE to initialize data member TEXT_SIZE_.
545         (Arm_exidx_input_section::addralign): Fix typo in comment.
546         (Arm_exidx_input_section::text_size): New method.
547         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
548         that require locking objects.  Lock objects before scanning for stubs
549         and updating local symbols.
550         (Arm_input_section<big_endian>::init): Copy contents of original
551         input section.
552         (Arm_input_section<big_endian>::do_write): Use saved contents of
553         original input section instead of calling Object::section_contents
554         without locking.
555         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
556         size without calling Object::section_size().
557         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
558         for size.  Allocate a buffer for merged EXIDX entries.
559         (Arm_exidx_merged_section::build_contents): New method.
560         (Arm_exidx_merged_section::do_write): Move merge section contents
561         building code to Arm_exidx_merged_section::build_contetns.  Write
562         out contetns in buffer instead of building it on the fly.
563         (Arm_relobj::make_exidx_input_section): Also pass text section size
564         to Arm_exidx_input_section constructor.
565         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
566         (Arm_dynobj::do_read_symbols): Fix memory leak.
567         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
568         * target.h: (class Task): Add forward declaration.
569         (Target::relax): Add new parameter TASK and pass it to
570         Target::do_relax().
571         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
572
573 2010-11-05  Cary Coutant  <ccoutant@google.com>
574
575         PR gold/10708
576         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
577         object when reading from the file.
578         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
579         second layout pass.
580         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
581         when reading section contents.
582         (get_section_contents): Likewise.
583         (icf::find_identical_sections): Likewise.
584         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
585         object when reading from the file.
586         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
587         the object when doing deferred section layout.
588
589 2010-11-03  Nick Clifton  <nickc@redhat.com>
590
591         PR gold/12001
592         * script.h (class Symbol_assignment: name): New member.  Returns
593         the name of the symbol.
594         * scrfipt.cc (Script_options::is_pending_assignment): New member.
595         Returns true if the given symbol name is on the list of
596         assignments wating to be processed.
597         * archive.cc (should_incldue_member): If the symbol is undefined,
598         check to see if it is on the list of symbols pending assignment.
599
600 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
601
602         * script-sections.cc (Script_sections::find_memory_region): Check
603         for a NULL output section pointer.
604
605 2010-10-29  Doug Kwan  <dougkwan@google.com>
606
607         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
608         Output_section::add_relaxed_input_section.
609         * output.cc (Output_section::add_relaxed_input_section): Add new
610         arguments LAYOUT and NAME.  Set section order index.
611         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
612         Copy section order index.
613         * output.h (Output_section::add_relaxed_input_section): Add new
614         arguments LAYOUT and NAME.
615
616 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
617
618         * testsuite/Makefile.am: Move gcctestdir/ld rule to
619         NATIVE_OR_CROSS_LINKER.
620         * testsuite/Makefile.in: Regenerate.
621
622 2010-10-20  Doug Kwan  <dougkwan@google.com>
623
624         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
625         without SHF_LINK_ORDER flags.
626         * layout.cc (Layout::choose_output_section): Do not filter
627         SHF_LINK_ORDER flag in a relocatable link.
628
629 2010-10-17  Cary Coutant  <ccoutant@google.com>
630
631         * output.h (Output_segment::set_section_addresses): Change function
632         signature.  Update all callers.
633         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
634         sections.
635         (Output_segment::set_section_addresses): Align after last TLS
636         section.  Add padding before last relro section instead of after.
637
638 2010-10-17  Doug Kwan  <dougkwan@google.com>
639
640         * gold/arm.cc (Target_arm::got_section): Use correct order and set
641         GOT output section to be writable.
642
643 2010-10-14  Cary Coutant  <ccoutant@google.com>
644
645         * debug.h (DEBUG_INCREMENTAL): New flag.
646         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
647         * gold.cc (queue_initial_tasks): Check parameters for incremental link
648         mode.
649         * incremental.cc (report_command_line): Ignore all forms of
650         --incremental.
651         * layout.cc (Layout::Layout): Check parameters for incremental link
652         mode.
653         * options.cc (General_options::parse_incremental): New function.
654         (General_options::parse_no_incremental): New function.
655         (General_options::parse_incremental_full): New function.
656         (General_options::parse_incremental_update): New function.
657         (General_options::incremental_mode_): New data member.
658         (General_options::finalize): Check incremental_mode_.
659         * options.h (General_options): Update help text for --incremental.
660         Add --no-incremental, --incremental-full, --incremental-update.
661         (General_options::Incremental_mode): New enum type.
662         (General_options::incremental_mode): New function.
663         (General_options::incremental_mode_): New data member.
664         * parameters.cc (Parameters::incremental_mode_): New data member.
665         (Parameters::set_options): Set incremental_mode_.
666         (Parameters::set_incremental_full): New function.
667         (Parameters::incremental): New function.
668         (Parameters::incremental_update): New function.
669         (set_parameters_incremental_full): New function.
670         * parameters.h (Parameters::set_incremental_full): New function.
671         (Parameters::incremental): New function.
672         (Parameters::incremental_update): New function.
673         (Parameters::incremental_mode_): New data member.
674         (set_parameters_incremental_full): New function.
675         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
676         incremental link mode.
677         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
678         (Sized_relobj::do_relocate_sections): Likewise.
679         * testsuite/Makefile.am (incremental_test): Use --incremental-full
680         option.
681         * testsuite/Makefile.in: Regenerate.
682         * testsuite/incremental_test.sh: Filter all forms of --incremental.
683
684 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
685
686         * script-sections.h (class Script_sections): Make
687         Sections_elements typedef public.
688         * script-sections.cc (class Sort_output_sections): Add elements_
689         field.  Add constructor which sets it; change all callers.
690         (Sort_output_sections::is_before): New function.
691         (Sort_output_sections::operator()): Call is_before.
692         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
693         conditional.
694         * testsuite/script_test_10.sh: New test. Test script section
695         order.
696         * testsuite/script_test_10.t: Likewise.
697         * testsuite/script_test_10.s: Likewise.
698         * testsuite/Makefile.am: Wrap the cross linker tests and the
699         common tests into NATIVE_OR_CROSS_LINKER.
700         (check_SCRIPTS): Add script_test_10.sh.
701         (check_DATA): Add script_test_10.stdout.
702         (script_test_10.o, script_test_10): New targets.
703         (script_test_10.stdout): New target.
704         * configure, testsuite/Makefile.in: Regenerate.
705
706 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
707
708         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
709         error for the deprecated relocations.
710         (Target_arm::Scan::global): Likewise.
711         (Target_arm::Relocate::relocate): Likewise.
712
713 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
714
715         * fileread.cc (Input_file::find_file): Initialize *found_name
716         and *namep when using the fallback search for case 4.
717
718 2010-10-11  Cary Coutant  <ccoutant@google.com>
719
720         * options.h (class General_options): Redefine -z lazy as an alias for
721         the negation of -z now.
722
723 2010-10-11  Ian Lance Taylor  <iant@google.com>
724
725         * resolve.cc (symbol_to_bits): Report the value of the unsupported
726         binding.
727
728 2010-10-06  Nick Clifton  <nickc@redhat.com>
729
730         * script-sections.cc(class Memory_region): Remove
731         current_lma_offset_ field.  Rename current_vma_offset_ to
732         current_offset_.  Add last_section_ field.
733         (Memory_region::get_current_vma_address): Rename to
734         get_current_address.
735         (Memory_region::get_current_lma_address): Delete.
736         (Memory_region::increment_vma_offset): Rename to
737         increment_offset.
738         (Memory_region::increment_lma_offset): Delete.
739         (Memory_region::attributes_compatible): New method.  Returns
740         true if the provided section is compatible with the region.
741         (Memory_region::get_last_section): New method.  Returns the last
742         section to use the region.
743         (Memory_region::set_last_section): New method.  Stores the last
744         section to use the region.
745         (Script_sections::block_in_region): New method.  Returns true if
746         a block of memory is contained within a region.
747         (Script_sections::find_memory_region): New method.  Locates a
748         memory region to be used to set a VMA or LMA address.
749         (Output_section_definition::set_section_addresses): Add code to
750         check for addresses set by memory regions.
751         (Output_segment::set_section_addresses): Remove memory region
752         walking code.
753         (Script_sections::create_segment): Add a warning if a header
754         segment is created outside of any region.
755         * script-sections.h (class Script_sections): Add prototypes for
756         find_memory_region and block_in_region methods.
757         * testsuite/memory_test.s: Use .long instead of .word.
758         * testsuite/memory_test.t: Add some more output sections.
759         * testsuite/memory_test.sh: Update expected output.
760
761 2010-10-02  Doug Kwan  <dougkwan@google.com>
762
763         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
764         defintion to symtab.h
765         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
766         declaration to defintion.
767
768 2010-10-01  Nick Clifton  <nickc@redhat.com>
769
770         * expression.cc (eval): Replace dummy argument with NULL.
771         (eval_maybe_dot): Check for a NULL result section pointer.
772         (Symbol_expression::value): Likewise.
773         (Dot_expression::value): Likewise.
774         (BINARY_EXPRESSION): Likewise.
775         (Max_expression::value): Likewise.
776         (Min_expression::value): Likewise.
777         (Absolute_expression::value): Likewise.
778         (Addr_expression::value_from_output_section): Likewise.
779         (Loaddddr_expression::value_from_output_section): Likewise.
780         (Segment_start_expression::value): Likewise.
781         * script-sections.cc
782         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
783         argument with NULL.
784         (Sections_elememt_dot_assignment::set_section_addresses):
785         Likewise.
786         (Output_data_expression::do_write_to_buffer): Likewise.
787         (Output_section_definition::finalize_symbols): Likewise.
788         (Output_section_definition::set_section_addresses): Likewise.
789
790 2010-09-30  Doug Kwan  <dougkwan@google.com>
791
792         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
793
794 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
795
796         * target.h (Target::can_icf_inline_merge_sections): New virtual
797         function.
798         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
799         virtual function.
800         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
801         virtual function.
802         * icf.cc (get_section_contents): Inline merge sections only when
803         target allows it.
804
805 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
806
807         * configure: Regenerate.
808
809 2010-09-17  Ian Lance Taylor  <iant@google.com>
810
811         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
812         * testsuite/Makefile.am (memory_test.o): New target.
813         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
814         memory_test.t.
815         * testsuite/Makefile.in: Rebuild.
816
817 2010-09-17  Doug Kwan  <dougkwan@google.com>
818
819         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
820         defintion if relocation uses GOT entries of the symbol.
821         * testsuite/icf_safe_test.sh: Fix test.
822         * testsuite/icf_safe_so_test.sh: Fix test.
823
824 2010-09-16  Cary Coutant  <ccoutant@google.com>
825
826         * script_sections.cc (class Memory_region): Remove "NULL" from
827         vector initializations.
828
829 2010-09-15  Cary Coutant  <ccoutant@google.com>
830
831         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
832         Resolve forwarding symbols.
833
834 2010-09-15  Doug Kwan  <dougkwan@google.com>
835
836         * gold/testsuite/script_test_3.t: Add ARM special sections.
837         * gold/testsuite/script_test_4.t: Same.
838         * gold/testsuite/script_test_5.t: Same.
839         * gold/testsuite/script_test_6.t: Same.
840         * gold/testsuite/script_test_7.t: Same.
841         * gold/testsuite/script_test_7.t: Same.
842         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
843
844 2010-09-14  Cary Coutant  <ccoutant@google.com>
845
846         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
847         (Target_x86_64::Relocate::relocate_tls): Replace check for
848         saw_tls_block_reloc_ with test for executable section.
849
850 2010-09-12  Cary Coutant  <ccoutant@google.com>
851
852         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
853         position-independent executables to shared libraries need dynamic
854         relocations.
855         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
856         position-independent executables.
857         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
858         * testsuite/Makefile.in: Regenerate.
859
860 2010-09-10  Nick Clifton  <nickc@redhat.com>
861
862         PR gold/11997
863         * testsuite/memory_test.t: Discard any sections that are not
864         needed.
865
866 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
867
868         PR gold/11996
869         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
870         "This::" to work around a bug in gcc 4.2.
871
872         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
873
874 2010-09-09  Rafael Espindola  <espindola@google.com>
875
876         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
877         sections with different PF_X flags in the same segment.
878         (Layout::find_first_load_seg): Search all segments to find the first
879         one.
880         * options.h (rosegment): New.
881
882 2010-09-08  Rafael Espindola  <espindola@google.com>
883
884         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
885
886 2010-09-08  Doug Kwan  <dougkwan@google.com>
887
888         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
889         (Arm_relobj::do_relocate_sections): Add new parameter for output
890         file to match the parent.
891         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
892         of local symbols instead of input values.  Update code to track
893         changes in gold::relocate_section.
894         * object.cc (Sized_relobj::compute_final_local_value): New methods.
895         (Sized_relobj::compute_final_local_value_internal): New methods.
896         (Sized_relobj::do_finalize_local_symbols): Move code from loop
897         body into private version of Sized_relobj::compute_final_local_value.
898         Call the inline method.
899         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
900         merged symbol value if there is one.
901         (Symbol_value::has_output_value): New method defintiion.
902         (Sized_relobj::Compute_final_local_value_status): New enum type.
903         (Sized_relobj::compute_final_local_value): New methods.
904         (Sized_relobj::compute_final_local_value_internal): New methods.
905         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
906         and arm_cortex_a8.sh.
907         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
908         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
909         New tests.
910         * Makefile.in: Regenerate.
911         * testsuite/arm_bl_out_of_range.s: Update test.
912         * testsuite/thumb_bl_out_of_range.s: Ditto.
913         * testsuite/thumb_blx_out_of_range.s: Ditto.
914         * testsuite/arm_branch_out_of_range.sh: New file.
915         * testsuite/arm_cortex_a8.sh: Ditto.
916         * testsuite/arm_cortex_a8_b.s: Ditto.
917         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
918         * testsuite/arm_cortex_a8_b_local.s: Ditto.
919         * testsuite/arm_cortex_a8_bl.s: Ditto.
920         * testsuite/arm_cortex_a8_blx.s: Ditto.
921         * testsuite/arm_cortex_a8_local.s: Ditto.
922         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
923         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
924
925 2010-09-08  Rafael Espindola  <espindola@google.com>
926
927         * Makefile.am (memory_test.stdout): Run readelf with -W.
928         * Makefile.in: Regenerate.
929         * testsuite/memory_test.sh: Make the regexps accept both 32 and
930         64 bit output.
931
932 2010-09-08  Rafael Espindola  <espindola@google.com>
933
934         * script-sections.cc (Script_sections::add_memory_region): Convert
935         field precision to int.
936         * script.cc (script_set_section_region, script_set_section_region):
937         Convert field precision to int.
938
939 2010-09-08  Rafael Espindola  <espindola@google.com>
940
941         * arm.cc (do_finalize_sections): Create the __exidx_start and
942         __exdix_end symbols even when the section is missing.
943
944 2010-09-08  Nick Clifton  <nickc@redhat.com>
945
946         * README: Remove claim that MEMORY is not supported.
947         * expression.cc (script_exp_function_origin)
948         (script_exp_function_length): Move from here to ...
949         * script.cc: ... here.
950         (script_set_section_region, script_add_memory)
951         (script_parse_memory_attr, script_include_directive): New
952         functions.
953         * script-sections.cc
954         (class Memory_region): New class.
955         (class Output_section_definition): Add set_memory_region,
956         set_section_vma, set_section_lma and get_section_name methods.
957         (class Script_Sections): Add add_memory_region,
958         find_memory_region, find_memory_region_origin,
959         find_memory_region_length and set_memory_region methods.
960         Have set_section_addresses method walk the list of set memory
961         regions.
962         Extend the print methos to display memory regions.
963         * script-sections.h: Add prototypes for new methods.
964         Add enum for MEMORY region attributes.
965         * yyscript.y: Add support for parsing MEMORY regions.
966         * script-c.h: Add prototypes for new functions.
967         * testsuite/Makefile.am: Add test of MEMORY region functionality.
968         * testsuite/Makefile.in: Regenerate.
969         * testsuite/memory_test.sh: New script.
970         * testsuite/memory_test.s: New assembler source file.
971         * testsuite/memory_test.t: New linker script.
972
973 2010-08-27  Doug Kwan  <dougkwan@google.com>
974
975         * gold/resolve.cc (Symbol_table::should_override): Let a weak
976         reference override an existing dynamic weak reference.
977         * testsuite/Makefile.am: Add new test dyn_weak_ref.
978         * testsuite/Makefile.in: Regenerate.
979         * testsuite/dyn_weak_ref.sh: New file.
980         * testsuite/dyn_weak_ref_1.c: Ditto.
981         * testsuite/dyn_weak_ref_2.c: Ditto.
982
983 2010-08-27  Ian Lance Taylor  <iant@google.com>
984
985         * incremental.h (class Incremental_input_entry): Add virtual
986         destructor.
987
988 2010-08-27  Ian Lance Taylor  <iant@google.com>
989
990         * testsuite/start_lib_test_3.c: Mark t3 as used.
991
992 2010-08-27  Nick Clifton  <nickc@redhat.com>
993
994         * options.cc (version_script): Fix small typo in previous
995         whitespace tidyup.
996
997 2010-08-25  Nick Clifton  <nickc@redhat.com>
998
999         * archive.cc: Formatting fixes: Remove whitespace between
1000         typename and following asterisk.  Remove whitespace between
1001         function name and opening parenthesis.
1002         * archive.h: Likewise.
1003         * arm.cc: Likewise.
1004         * attributes.cc: Likewise.
1005         * attributes.h: Likewise.
1006         * common.cc: Likewise.
1007         * copy-relocs.cc: Likewise.
1008         * dirsearch.h: Likewise.
1009         * dynobj.cc: Likewise.
1010         * ehframe.cc: Likewise.
1011         * ehframe.h: Likewise.
1012         * expression.cc: Likewise.
1013         * fileread.cc: Likewise.
1014         * fileread.h: Likewise.
1015         * gc.h: Likewise.
1016         * gold-threads.cc: Likewise.
1017         * gold.cc: Likewise.
1018         * i386.cc: Likewise.
1019         * icf.h: Likewise.
1020         * incremental-dump.cc: Likewise.
1021         * incremental.cc: Likewise.
1022         * layout.cc: Likewise.
1023         * layout.h: Likewise.
1024         * main.cc: Likewise.
1025         * merge.cc: Likewise.
1026         * merge.h: Likewise.
1027         * object.cc: Likewise.
1028         * object.h: Likewise.
1029         * options.cc: Likewise.
1030         * options.h: Likewise.
1031         * output.cc: Likewise.
1032         * output.h: Likewise.
1033         * plugin.cc: Likewise.
1034         * plugin.h: Likewise.
1035         * powerpc.cc: Likewise.
1036         * reloc.cc: Likewise.
1037         * script-c.h: Likewise.
1038         * script-sections.cc: Likewise.
1039         * script.cc: Likewise.
1040         * stringpool.cc: Likewise.
1041         * symtab.cc: Likewise.
1042         * symtab.h: Likewise.
1043         * target.cc: Likewise.
1044         * timer.cc: Likewise.
1045         * timer.h: Likewise.
1046         * version.cc: Likewise.
1047         * x86_64.cc: Likewise.
1048
1049 2010-08-24  Nick Clifton  <nickc@redhat.com>
1050
1051         PR 11899
1052         * layout.cc (segment_precedes): Sort segments by their physical
1053         addresses, if they have been set.
1054
1055 2010-08-23  Cary Coutant  <ccoutant@google.com>
1056
1057         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
1058         symbols data.
1059         (Lib_group::include_member): Unlock object after deleting its
1060         symbols data.
1061         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
1062         the bug fixed here.
1063
1064 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
1065             Cary Coutant  <ccoutant@google.com>
1066
1067         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
1068         constructor, and set_blocker.
1069         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
1070         readsyms_blocker_.
1071         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
1072         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
1073         * testsuite/Makefile.am (start_lib_test): New test case.
1074         * testsuite/Makefile.in: Regenerate.
1075         * testsuite/start_lib_test_main.c: New file.
1076         * testsuite/start_lib_test_1.c: New file.
1077         * testsuite/start_lib_test_2.c: New file.
1078         * testsuite/start_lib_test_3.c: New file.
1079
1080 2010-08-19  Ian Lance Taylor  <iant@google.com>
1081
1082         * Makefile.in: Rebuild with automake 1.11.1.
1083         * aclocal.m4: Likewise.
1084         * testsuite/Makefile.in: Likewise.
1085
1086 2010-08-19  Ian Lance Taylor  <iant@google.com>
1087
1088         PR 10893
1089         * i386.cc (class Output_data_plt_i386): Update declarations.
1090         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
1091         local_ifuncs_ fields.
1092         (Target_i386::do_plt_section_for_global): New function.
1093         (Target_i386::do_plt_section_for_local): New function.
1094         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
1095         parameter; change all callers.  Initialize global_ifuncs_ and
1096         local_ifuncs_.  If doing a static link define __rel_iplt_start and
1097         __rel_iplt_end.
1098         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
1099         (Output_data_plt_i386::add_local_ifunc_entry): New function.
1100         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
1101         symbols.
1102         (Target_i386::make_plt_section): New function, broken out of
1103         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
1104         (Target_i386::make_plt_entry): Call make_plt_section.
1105         (Target_i386::make_local_ifunc_plt_entry): New function.
1106         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
1107         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
1108         R_386_IRELATIVE to switch.
1109         (Target_i386::Scan::global): Likewise.
1110         (Target_i386::Relocate::relocate): Likewise.
1111         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
1112         switch.
1113         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
1114         (Target_x86_64::do_plt_section_for_global): New function.
1115         (Target_x86_64::do_plt_section_for_local): New function.
1116         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
1117         parameter; change all callers.  If doing a static link define
1118         __rela_iplt_start and __rela_iplt_end.
1119         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
1120         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
1121         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
1122         to point to .plt.
1123         (Target_x86_64::make_local_ifunc_plt_entry): New function.
1124         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
1125         switch.
1126         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
1127         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
1128         R_X86_64_IRELATIVE to switch.
1129         (Target_x86_64::Scan::global): Likewise.
1130         (Target_x86_64::Relocate::relocate): Likewise.
1131         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
1132         switch.
1133         * target.h (class Target): Add plt_section_for_global and
1134         plt_section_for_local functions.  Add do_plt_section_for_global
1135         and do_plt_section_for_local virtual functions.
1136         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
1137         clarifying comments.
1138         (Symbol::use_plt_offset): Handle IFUNC symbol.
1139         * object.cc (Sized_relobj::Sized_relobj): Initialize
1140         local_plt_offsets_.
1141         (Sized_relobj::local_has_plt_offset): New function.
1142         (Sized_relobj::local_plt_offset): New function.
1143         (Sized_relobj::set_local_plt_offset): New function.
1144         (Sized_relobj::do_count): Handle IFUNC symbol.
1145         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
1146         a bit away from input_shndx_ field.  Add set_is_func_symbol and
1147         is_ifunc_symbol functions.
1148         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
1149         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
1150         local_plt_offsets_ field.
1151         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
1152         * output.h (class Output_section_data): Add non-const
1153         output_section function.
1154         (class Output_data_got): Update declarations.
1155         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
1156         Add use_plt_offset parameter to global and local constructors.
1157         Change all callers.  Change local_sym_index_ field to 31 bits.
1158         Change GSYM_CODE and CONSTANT_CODE accordingly.
1159         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
1160         doing a static link don't set sh_link field.
1161         (Output_data_got::Got_entry::write): Use PLT offset if
1162         appropriate.
1163         (Output_data_got::add_global_plt): New function.
1164         (Output_data_got::add_local_plt): New function.
1165         * target-reloc.h (relocate_section): Handle IFUNC symbol.
1166         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
1167         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
1168         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
1169         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
1170         IFUNC conditional.
1171         * testsuite/ifunc-sel.h: New file.
1172         * testsuite/ifuncmain1.c: New file.
1173         * testsuite/ifuncmain1vis.c: New file.
1174         * testsuite/ifuncmod1.c: New file.
1175         * testsuite/ifuncdep2.c: New file.
1176         * testsuite/ifuncmain2.c: New file.
1177         * testsuite/ifuncmain3.c: New file.
1178         * testsuite/ifuncmod3.c: New file.
1179         * testsuite/ifuncmain4.c: New file.
1180         * testsuite/ifuncmain5.c: New file.
1181         * testsuite/ifuncmod5.c: New file.
1182         * testsuite/ifuncmain6pie.c: New file.
1183         * testsuite/ifuncmod6.c: New file.
1184         * testsuite/ifuncmain7.c: New file.
1185         * configure, testsuite/Makefile.in: Rebuild.
1186
1187 2010-08-18  Ian Lance Taylor  <iant@google.com>
1188
1189         * incremental.cc
1190         (Output_section_incremental_inputs::write_input_files): Add cast
1191         to avoid signed/unsigned comparison warning.
1192         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1193
1194 2010-08-12  Cary Coutant  <ccoutant@google.com>
1195
1196         * common.cc (Sort_commons::operator()): Remove unnecessary code.
1197
1198 2010-08-13  Ian Lance Taylor  <iant@google.com>
1199
1200         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
1201
1202 2010-08-12  Cary Coutant  <ccoutant@google.com>
1203             Doug Kwan  <dougkwan@google.com>
1204
1205         * resolve.cc (Symbol_table::should_override): When a weak dynamic
1206         defintion overrides non-weak undef, remember that the original undef
1207         is not weak.
1208         * symtab.cc (Symbol_table::sized_write_global): For undef without
1209         an original weak binding, set binding to global in output.
1210         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
1211         * testsuite/Makefile.in: Regenerate.
1212         * testsuite/strong_ref_weak_def.sh: New file.
1213         * testsuite/strong_ref_weak_def_1.c: Ditto.
1214         * testsuite/strong_ref_weak_def_2.c: Ditto.
1215
1216 2010-08-12  Cary Coutant  <ccoutant@google.com>
1217
1218         * testsuite/incremental_test.sh: Rewrite.
1219         * testsuite/incremental_test_1.c: Rewrite.
1220         * testsuite/incremental_test_2.c: Rewrite.
1221
1222 2010-08-12  Cary Coutant  <ccoutant@google.com>
1223
1224         * arm.cc (Target_arm::got_size): Add const.
1225         (Target_arm::got_entry_count): New function.
1226         (Target_arm::plt_entry_count): New function.
1227         (Target_arm::first_plt_entry_offset): New function.
1228         (Target_arm::plt_entry_size): New function.
1229         (Output_data_plt_arm::entry_count): New function.
1230         (Output_data_plt_arm::first_plt_entry_offset): New function.
1231         (Output_data_plt_arm::get_plt_entry_size): New function.
1232         * i386.cc (Target_i386::got_size): Add const.
1233         (Target_i386::got_entry_count): New function.
1234         (Target_i386::plt_entry_count): New function.
1235         (Target_i386::first_plt_entry_offset): New function.
1236         (Target_i386::plt_entry_size): New function.
1237         (Output_data_plt_i386::entry_count): New function.
1238         (Output_data_plt_i386::first_plt_entry_offset): New function.
1239         (Output_data_plt_i386::get_plt_entry_size): New function.
1240         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
1241         find_incremental_inputs_sections.  Dump incremental_got_plt section.
1242         * incremental.cc: Include target.h.
1243         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
1244         parameter.  Adjust all callers.  Find incremental_got_plt section.
1245         (Incremental_inputs::create_data_sections): Create incremental_got_plt
1246         section.
1247         (Output_section_incremental_inputs::set_final_data_size): Calculate
1248         size of incremental_got_plt section.
1249         (Output_section_incremental_inputs::do_write): Write the
1250         incremental_got_plt section.
1251         (Got_plt_view_info): New struct.
1252         (Local_got_offset_visitor): New class.
1253         (Global_got_offset_visitor): New class.
1254         (Global_symbol_visitor_got_plt): New class.
1255         (Output_section_incremental_inputs::write_got_plt): New function.
1256         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
1257         Add parameter.  Adjust all callers.
1258         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1259         (Incremental_inputs::got_plt_section): New function.
1260         (Incremental_inputs::got_plt_section_): New data member.
1261         (Incremental_got_plt_reader): New class.
1262         * layout.cc (Layout::create_incremental_info_sections): Add the
1263         incremental_got_plt section.
1264         * object.h (Got_offset_list::get_list): New function.
1265         (Got offset_list::for_all_got_offsets): New function.
1266         (Sized_relobj::local_got_offset_list): New function.
1267         * powerpc.cc (Target_powerpc::got_size): Add const.
1268         (Target_powerpc::got_entry_count): New function.
1269         (Target_powerpc::plt_entry_count): New function.
1270         (Target_powerpc::first_plt_entry_offset): New function.
1271         (Target_powerpc::plt_entry_size): New function.
1272         (Output_data_plt_powerpc::entry_count): New function.
1273         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1274         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1275         * sparc.cc (Target_sparc::got_size): Add const.
1276         (Target_sparc::got_entry_count): New function.
1277         (Target_sparc::plt_entry_count): New function.
1278         (Target_sparc::first_plt_entry_offset): New function.
1279         (Target_sparc::plt_entry_size): New function.
1280         (Output_data_plt_sparc::entry_count): New function.
1281         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1282         (Output_data_plt_sparc::get_plt_entry_size): New function.
1283         * symtab.h (Symbol::got_offset_list): New function.
1284         (Symbol_table::for_all_symbols): New function.
1285         * target.h (Sized_target::got_entry_count): New function.
1286         (Sized_target::plt_entry_count): New function.
1287         (Sized_target::plt_entry_size): New function.
1288         * x86_64.cc (Target_x86_64::got_size): Add const.
1289         (Target_x86_64::got_entry_count): New function.
1290         (Target_x86_64::plt_entry_count): New function.
1291         (Target_x86_64::first_plt_entry_offset): New function.
1292         (Target_x86_64::plt_entry_size): New function.
1293         (Output_data_plt_x86_64::entry_count): New function.
1294         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1295         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1296
1297 2010-08-12  Cary Coutant  <ccoutant@google.com>
1298
1299         * archive.cc: Include incremental.h.
1300         (Archive::Archive): Initialize incremental_info_.
1301         (Archive::include_member): Record archive members in incremental info.
1302         (Add_archive_symbols::run): Record begin and end of an archive in
1303         incremental info.
1304         (Lib_group::include_member): Record objects in incremental info.
1305         * archive.h (Incremental_archive_entry): Forward declaration.
1306         (Archive::set_incremental_info): New member function.
1307         (Archive::incremental_info): New member function.
1308         (Archive::Unused_symbol_iterator): New class.
1309         (Archive::unused_symbols_begin): New member function.
1310         (Archive::unused_symbols_end): New member function.
1311         (Archive::incremental_info_): New data member.
1312         * incremental-dump.cc (find_input_containing_global): New function.
1313         (dump_incremental_inputs): Dump new incremental info sections.
1314         * incremental.cc: Include symtab.h.
1315         (Output_section_incremental_inputs): New class.
1316         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1317         new incremental info sections.
1318         (Sized_incremental_binary::do_check_inputs): Likewise.
1319         (Incremental_inputs::report_archive): Remove.
1320         (Incremental_inputs::report_archive_begin): New function.
1321         (Incremental_inputs::report_archive_end): New function.
1322         (Incremental_inputs::report_object): New function.
1323         (Incremental_inputs::finalize_inputs): Remove.
1324         (Incremental_inputs::report_input_section): New function.
1325         (Incremental_inputs::report_script): Rewrite.
1326         (Incremental_inputs::finalize): Do nothing but finalize string table.
1327         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1328         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1329         (Incremental_inputs::create_data_sections): New function.
1330         (Incremental_inputs::relocs_entsize): New function.
1331         (Output_section_incremental_inputs::set_final_data_size): New function.
1332         (Output_section_incremental_inputs::do_write): New function.
1333         (Output_section_incremental_inputs::write_header): New function.
1334         (Output_section_incremental_inputs::write_input_files): New function.
1335         (Output_section_incremental_inputs::write_info_blocks): New function.
1336         (Output_section_incremental_inputs::write_symtab): New function.
1337         * incremental.h (Incremental_script_entry): Forward declaration.
1338         (Incremental_object_entry): Forward declaration.
1339         (Incremental_archive_entry): Forward declaration.
1340         (Incremental_inputs): Forward declaration.
1341         (Incremental_inputs_header_data): Remove.
1342         (Incremental_inputs_header): Remove.
1343         (Incremental_inputs_header_write): Remove.
1344         (Incremental_inputs_entry_data): Remove.
1345         (Incremental_inputs_entry): Remove.
1346         (Incremental_inputs_entry_write): Remove.
1347         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1348         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1349         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1350         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1351         Likewise.
1352         (Incremental_input_entry): New class.
1353         (Incremental_script_entry): New class.
1354         (Incremental_object_entry): New class.
1355         (Incremental_archive_entry): New class.
1356         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1357         (Incremental_inputs::report_inputs): Remove.
1358         (Incremental_inputs::report_archive): Remove.
1359         (Incremental_inputs::report_archive_begin): New function.
1360         (Incremental_inputs::report_archive_end): New function.
1361         (Incremental_inputs::report_object): Change prototype.
1362         (Incremental_inputs::report_input_section): New function.
1363         (Incremental_inputs::report_script): Change prototype.
1364         (Incremental_inputs::get_reloc_count): New function.
1365         (Incremental_inputs::set_reloc_count): New function.
1366         (Incremental_inputs::create_data_sections): New function.
1367         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1368         (Incremental_inputs::inputs_section): New function.
1369         (Incremental_inputs::symtab_section): New function.
1370         (Incremental_inputs::relocs_section): New function.
1371         (Incremental_inputs::get_stringpool): Add const.
1372         (Incremental_inputs::command_line): Add const.
1373         (Incremental_inputs::inputs): Remove.
1374         (Incremental_inputs::command_line_key): New function.
1375         (Incremental_inputs::input_file_count): New function.
1376         (Incremental_inputs::input_files): New function.
1377         (Incremental_inputs::relocs_entsize): New function.
1378         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1379         (Incremental_inputs::finalize_inputs): Remove.
1380         (Incremental_inputs::Input_info): Remove.
1381         (Incremental_inputs::lock_): Remove.
1382         (Incremental_inputs::inputs_): Change type.
1383         (Incremental_inputs::inputs_map_): Remove.
1384         (Incremental_inputs::current_object_entry_): New data member.
1385         (Incremental_inputs::inputs_section_): New data member.
1386         (Incremental_inputs::symtab_section_): New data member.
1387         (Incremental_inputs::relocs_section_): New data member.
1388         (Incremental_inputs::reloc_count_): New data member.
1389         (Incremental_inputs_reader): New class.
1390         (Incremental_symtab_reader): New class.
1391         (Incremental_relocs_reader): New class.
1392         * layout.cc (Layout::finalize): Move finalization of incremental info
1393         and creation of incremental info sections to follow finalization of
1394         symbol table.  Set offsets for postprocessing sections.
1395         (Layout::create_incremental_info_sections): Call
1396         Incremental_inputs::create_data_sections.  Add incremental symtab
1397         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1398         sections to layout after input sections.
1399         * layout.h (struct Timespec): Forward declaration.
1400         (Layout::incremental_inputs): Add const.
1401         (Layout::create_incremental_info_sections): Add parameter.
1402         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1403         * object.cc: Include incremental.h.
1404         (Relobj::finalize_incremental_relocs): New function.
1405         (Sized_relobj::do_layout): Record input sections in incremental info.
1406         * object.h (Object::output_section): New function.
1407         (Object::output_section_offset): Moved from Relobj.
1408         (Object::get_incremental_reloc_base): New function.
1409         (Object::get_incremental_reloc_count): New function.
1410         (Object::do_output_section): New function.
1411         (Object::do_output_section_offset): Moved from Relobj.
1412         (Object::do_get_incremental_reloc_base): New function.
1413         (Object::do_get_incremental_reloc_count): New function.
1414         (Object::Object): Initialize new data members.
1415         (Relobj::output_section): Renamed do_output_section and moved to
1416         protected.
1417         (Relobj::output_section_offset): Moved to Object.
1418         (Relobj::do_get_incremental_reloc_base): New function.
1419         (Relobj::do_get_incremental_reloc_count): New function.
1420         (Relobj::allocate_incremental_reloc_counts): New function.
1421         (Relobj::count_incremental_reloc): New function.
1422         (Relobj::finalize_incremental_relocs): New function.
1423         (Relobj::next_incremental_reloc_index): New function.
1424         (Relobj::reloc_counts_): New data member.
1425         (Relobj::reloc_bases_): New data member.
1426         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1427         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1428         (Sized_relobj::incremental_relocs_scan): New function.
1429         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1430         (Sized_relobj::incremental_relocs_write): New function.
1431         (Sized_relobj::incremental_relocs_write_reltype): New function.
1432         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1433         incremental link.
1434         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1435         archives and object files elsewhere.
1436         (Add_symbols::run): Report object files here.
1437         (Finish_group::run): Report end of archive at end of group.
1438         * reloc.cc: Include layout.h, incremental.h.
1439         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1440         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1441         (Sized_relobj::incremental_relocs_scan): New function.
1442         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1443         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1444         (Sized_relobj::incremental_relocs_write): New function.
1445         (Sized_relobj::incremental_relocs_write_reltype): New function.
1446         * script.cc (read_input_script): Rewrite test for incremental link.
1447         Change call to Incremental_inputs::report_script.
1448         * symtab.h (Symbol_table::first_global_index): New function.
1449         (Symbol_table::output_count): New function.
1450
1451 2010-08-12  Doug Kwan  <dougkwan@google.com>
1452
1453         * arm.cc (Target_arm::merge_object_attributes): Check command line
1454         options --no-wchar-size-warning and --no-enum-size-warning.
1455         * options.h (General_options): Add ld-compatible options
1456         --no-enum-size-warning and --no-wchar-size-warning.
1457
1458 2010-08-04  Ian Lance Taylor  <iant@google.com>
1459
1460         * x86_64.cc (Target_x86_64::Scan::local): Use
1461         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1462         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1463         (Target_x86_64::Scan::global): Likewise.
1464         (Target_x86_64::Relocate::relocate): Likewise.
1465         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1466         Likewise.
1467
1468 2010-08-03  Cary Coutant  <ccoutant@google.com>
1469
1470         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1471         to reserve space in merged_strings vector. Keep total input size
1472         for stats.
1473         (Output_merge_string::do_print_merge_stats): Print total input size.
1474         * merge.h (Output_merge_string): Add input_size_ field.
1475         * stringpool.cc (Stringpool_template::string_length): Move
1476         implementations out of Stringpool_template class and place in
1477         stringpool.h.
1478         * stringpool.h (string_length): Move out of Stringpool_template.
1479
1480 2010-08-03  Ian Lance Taylor  <iant@google.com>
1481
1482         PR 11712
1483         * layout.cc (relaxation_loop_body): If address of load segment is
1484         set, adjust address to include headers if possible.
1485
1486 2010-08-03  Ian Lance Taylor  <iant@google.com>
1487
1488         * version.cc (version_string): Bump to 1.10.
1489
1490 2010-08-03  Ian Lance Taylor  <iant@google.com>
1491
1492         PR 11805
1493         * layout.h (enum Output_section_order): Define.
1494         (class Layout): Update declarations.
1495         * layout.cc (Layout::get_output_section): Add order parameter.
1496         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1497         is_first_non_relro parameters.  Change all callers.
1498         (Layout::choose_output_section): Likewise.
1499         (Layout::add_output_section_data): Likewise.
1500         (Layout::make_output_section): Likewise.  Set order.
1501         (Layout::default_section_order): New function.
1502         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1503         * output.cc (Output_section::Output_section): Initialize order_.
1504         Don't initialize deleted fields.
1505         (Output_segment::Output_segment): Don't initialize deleted
1506         fields.
1507         (Output_segment::add_output_section_to_load): New function
1508         replacing add_output_section.  Change all callers to call this or
1509         add_output_section_to_nonload.
1510         (Output_segment::add_output_section_to_nonload): New function.
1511         (Output_segment::remove_output_section): Rewrite.
1512         (Output_segment::add_initial_output_data): Likewise.
1513         (Output_segment::has_any_data_sections): Likewise.
1514         (Output_segment::is_first_section_relro): Likewise.
1515         (Output_segment::maximum_alignment): Likewise.
1516         (Output_segment::has_dynamic_reloc): New function replacing
1517         dynamic_reloc_count.  Change all callers.
1518         (Output_segment::has_dynamic_reloc_list): New function replacing
1519         dynamic_reloc_count_list.  Change all callers.
1520         (Output_segment::set_section_addresses): Rewrite.
1521         (Output_segment::set_offset): Rewrite.
1522         (Output_segment::find_first_and_last_list): Remove.
1523         (Output_segment::set_tls_offsets): Rewrite.
1524         (Output_segment::first_section_load_address): Likewise.
1525         (Output_segment::output_section_count): Likewise.
1526         (Output_segment::section_with_lowest_load_address): Likewise.
1527         (Output_segment::write_section_headers): Likewise.
1528         (Output_segment::print_sections_to_map): Likewise.
1529         * output.h (class Output_data): Remove dynamic_reloc_count_
1530         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1531         (Output_data::add_dynamic_reloc): Rewrite.
1532         (Output_data::has_dynamic_reloc): New function.
1533         (Output_data::dynamic_reloc_count): Remove.
1534         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1535         is_last_relro_, is_first_non_relro_, is_interp_,
1536         is_dynamic_linker_section_ fields.  Add order and set_order
1537         functions.  Remove is_relro_local, set_is_relro_local,
1538         is_last_relro, set_is_last_relro, is_first_non_relro,
1539         set_is_first_non_relro functions, is_interp, set_is_interp,
1540         is_dynamic_linker_section, and set_is_dynamic_linker_section
1541         functions.
1542         (class Output_segment): Change Output_data_list from std::list to
1543         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1544         output_bss_ fields.  Update declarations.
1545
1546 2010-08-02  Ian Lance Taylor  <iant@google.com>
1547
1548         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1549         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1550         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1551
1552 2010-08-02  Ian Lance Taylor  <iant@google.com>
1553
1554         PR 11855
1555         * script.cc (Script_options::Script_options): Initialize
1556         symbol_definitions_ and symbol_references_.
1557         (Script_options::add_symbol_assignment): Update
1558         symbol_definitions_ and symbol_references_.
1559         (Script_options::add_symbol_reference): New function.
1560         (script_symbol): New function.
1561         * script.h (class Script_options): Add symbol_definitions_ and
1562         symbol_references_ fields.
1563         (Script_options::referenced_const_iterator): New type.
1564         (Script_options::referenced_begin): New function.
1565         (Script_options::referenced_end): New function.
1566         (Script_options::is_referenced): New function.
1567         (Script_options::any_unreferenced): New function.
1568         * script-c.h (script_symbol): Declare.
1569         * yyscript.y (exp): Call script_symbol.
1570         * symtab.cc: Include "script.h".
1571         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1572         Change all callers.  Check symbols referenced by scripts.
1573         (Symbol_table::add_undefined_symbols_from_command_line): Add
1574         layout parameter.  Change all callers.
1575         (Symbol_table::do_add_undefined_symbols_from_command_line):
1576         Likewise.  Break out loop body.  Check symbols referenced by
1577         scripts.
1578         (Symbol_table::add_undefined_symbol_from_command_line): New
1579         function broken out of
1580         do_add_undefined_symbols_from_command_line.
1581         * symtab.h (class Symbol_table): Update declarations.
1582         * archive.cc: Include "layout.h".
1583         (Archive::should_include_member): Add layout parameter.  Change
1584         all callers.  Check for symbol mentioned in expression.
1585         * archive.h (class Archive): Update declaration.
1586         * object.cc (Sized_relobj::do_should_include_member): Add layout
1587         parameter.
1588         * object.h (Object::should_include_member): Add layout parameter.
1589         Change all callers.
1590         (Object::do_should_include_member): Add layout parameter.
1591         (class Sized_relobj): Update declaration.
1592         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1593         parameter.
1594         * dynobj.h (class Sized_dynobj): Update declaration.
1595         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1596         layout parameter.
1597         * plugin.h (class Sized_pluginobj): Update declaration.
1598
1599 2010-08-02  Ian Lance Taylor  <iant@google.com>
1600
1601         PR 11866
1602         * output.cc (Output_segment::set_offset): Search for the first and
1603         last sections rather than assuming that the list is in order.
1604         (Output_segment::find_first_and_last_list): New function.
1605         * output.h (class Output_segment): Update declarations.
1606         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1607         (relro_strip_test_SOURCES): New variable.
1608         (relro_strip_test_DEPENDENCIES): New variable.
1609         (relro_strip_test_LDFLAGS): New variable.
1610         (relro_strip_test_LDADD): New variable.
1611         (relro_strip_test.so): New target.
1612
1613 2010-08-02  Ian Lance Taylor  <iant@google.com>
1614
1615         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1616         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1617         (Target_i386::got_tlsdesc_section): New function.
1618         (Target_i386::got_section): Create space for GOT entries for
1619         TLSDESC relocations.
1620         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1621         R_386_TLS_GOTDESC.
1622         (Target_i386::Scan::global): Likewise.
1623         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1624         using TLSDESC GOT.
1625         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1626         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1627         (Target_x86_64::got_tlsdesc_section): New function.
1628         (Target_x86_64::got_section): Create space for GOT entries for
1629         TLSDESC relocations.
1630         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1631         R_386_TLS_GOTDESC.
1632         (Target_x86_64::Scan::global): Likewise.
1633         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1634         using TLSDESC GOT.
1635
1636 2010-08-02  Ian Lance Taylor  <iant@google.com>
1637
1638         * testsuite/final_layout.sh: Use dc to convert from hex to
1639         decimal.
1640
1641 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1642
1643         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1644         paramter to the call to gold::gc_process_relocs.
1645         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1646         paramter to the call to gold::gc_process_relocs.
1647         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1648         parameter to the call to gold::gc_process_relocs.
1649         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1650         template parameter to the call to gold::gc_process_relocs.
1651         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1652         paramter to the call to gold::gc_process_relocs.
1653         * gc.h (get_embedded_addend_size): New function.
1654         (gc_process_relocs): Save the size of the reloc for use by ICF.
1655         * icf.cc (get_section_contents): Get the addend from the text section
1656         for SHT_REL relocation sections.
1657         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1658         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1659         * int_encoding.h (read_from_pointer): New overloaded function.
1660         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1661         * testsuite/icf_sht_rel_addend_test.sh: New file.
1662         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1663         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1664
1665 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1666
1667         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1668         * Makefile.in: Regenerate.
1669         * testsuite/Makefile.in: Regenerate.
1670
1671 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1672
1673         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1674         * gold/testsuite/debug_msg.cc: Likewise.
1675         * gold/testsuite/odr_violation1.cc
1676         * gold/testsuite/odr_violation2.cc
1677
1678 2010-07-21  Cary Coutant  <ccoutant@google.com>
1679
1680         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1681         string, and length fields.
1682         (Output_merge_string::Merged_strings_list): New type.
1683         (Output_merge_string::Merged_strings_lists): New typedef.
1684         (Output_merge_string): Replace merged_strings_ with
1685         merged_strings_lists_.
1686         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1687         Merged_strings_list per input object and section.  Don't store pointer
1688         to the string.  Don't store length with each merged string entry.
1689         (Output_merge_string::finalize_merged_data): Loop over list of merged
1690         strings lists.  Recompute length of each merged string.
1691
1692 2010-07-15  Cary Coutant  <ccoutant@google.com>
1693
1694         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1695         here.
1696
1697 2010-07-14  Ian Lance Taylor  <iant@google.com>
1698
1699         * descriptors.cc (Descriptors::open): Report correct name in error
1700         message.
1701
1702 2010-07-13  Doug Kwan  <dougkwan@google.com>
1703
1704         * arm.cc (Arm_input_section::Arm_input_section): For a
1705         SHT_ARM_EXIDX section, always keeps the input sections.
1706         (Arm_input_section::set_exidx_section_link): New method.
1707         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1708         has_errors_ to false.
1709         (Arm_exidx_input_section::has_errors,
1710         Arm_exidx_input_section::set_has_errors): New methods.
1711         (Arm_exidx_input_section::has_errors_): New data member.
1712         (Arm_relobj::get_exidx_shndx_list): New method.
1713         (Arm_output_section::append_text_sections_to_list): Do not skip
1714         section without SHF_EXECINSTR.
1715         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1716         errors.
1717         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1718         section header.  Make error messages more verbose.  Check for
1719         a non-executable section linked to an EXIDX section.
1720         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1721         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1722         check that there is no deferred EXIDX section if we exit early.
1723         Instead of not making an EXIDX section in case of an error, make one
1724         and set the has_errors flag of it.
1725         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1726         in a relocatable link.
1727         (Target_arm::do_relax): Look for the EXIDX output section instead of
1728         assuming that it is called .ARM.exidx.
1729         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1730         section list.  Do not check for SHF_EXECINSTR section flags but
1731         skip any input section with errors.
1732         * output.cc (Output_section::Output_section): Initialize
1733         always_keeps_input_sections_ to false.
1734         (Output_section::add_input_section): Check for
1735         always_keeps_input_sections_.
1736         *  output.h (Output_section::always_keeps_input_sections,
1737         Output_section::set_always_keeps_input_sections): New methods.
1738         (Output_section::always_keeps_input_sections): New data member.
1739
1740 2010-07-13  Rafael Espindola  <espindola@google.com>
1741
1742         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1743         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1744
1745 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1746             Ian Lance Taylor  <iant@google.com>
1747
1748         * output.h (Output_section_lookup_maps::add_merge_section):
1749         Correct check of whether value was inserted.
1750         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1751         (Output_section_lookup_maps::add_relaxed_input_section):
1752         Likewise.
1753         * arm.cc (Target_arm::got_section): Remove used local os.
1754         * i386.cc (Target_i386::got_section): Likewise.
1755         * x86_64.cc (Target_x86_64::got_section): Likewise.
1756         * sparc.cc (Target_sparc::got_section): Likewise.
1757         (Target_sparc::relocate): Remove unused local have_got_offset.
1758         * powerpc.cc (Target_powerpc::relocate): Likewise.
1759
1760 2010-07-13  Ian Lance Taylor  <iant@google.com>
1761
1762         * compressed_output.cc (zlib_decompress): Fix signature in
1763         !HAVE_ZLIB_H case.
1764
1765         * archive.cc (Archive::include_member): Unlock an external member
1766         of a thin archive.  Don't bother to delete an object we know is
1767         NULL.
1768
1769 2010-07-12  Cary Coutant  <ccoutant@google.com>
1770
1771         * compressed_output.cc (zlib_decompress): New function.
1772         (get_uncompressed_size): New function.
1773         (decompress_input_section): New function.
1774         * compressed_output.h (get_uncompressed_size): New function.
1775         (decompress_input_section): New function.
1776         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1777         Handle compressed debug sections.
1778         * layout.cc (is_compressed_debug_section): New function.
1779         (Layout::output_section_name): Map compressed section names to
1780         canonical names.
1781         * layout.h (is_compressed_debug_section): New function.
1782         (is_debug_info_section): Recognize compressed debug sections.
1783         * merge.cc: Include compressed_output.h.
1784         (Output_merge_data::do_add_input_section): Handle compressed
1785         debug sections.
1786         (Output_merge_string::do_add_input_section): Handle compressed
1787         debug sections.
1788         * object.cc: Include compressed_output.h.
1789         (Sized_relobj::Sized_relobj): Initialize new data members.
1790         (build_compressed_section_map): New function.
1791         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1792         * object.h (Object::section_is_compressed): New method.
1793         (Object::do_section_is_compressed): New method.
1794         (Sized_relobj::Compressed_section_map): New type.
1795         (Sized_relobj::do_section_is_compressed): New method.
1796         (Sized_relobj::compressed_sections_): New data member.
1797         * output.cc (Output_section::add_input_section): Handle compressed
1798         debug sections.
1799         * reloc.cc: Include compressed_output.h.
1800         (Sized_relobj::write_sections): Handle compressed debug sections.
1801
1802 2010-07-08  Cary Coutant  <ccoutant@google.com>
1803
1804         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1805         weak when resolving to a dynamic def.
1806         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1807         for weak undef/dynamic def cases. Adjust callers.
1808         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1809         undef_binding_weak_.
1810         (Symbol_table::sized_write_globals): Adjust symbol binding.
1811         (Symbol_table::sized_write_symbol): Add binding parameter.
1812         * symtab.h (Symbol::set_undef_binding): New method.
1813         (Symbol::is_undef_binding_weak): New method.
1814         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1815         (Symbol_table::should_override): Add new parameter.
1816         (Symbol_table::sized_write_symbol): Add new parameter.
1817
1818         * testsuite/weak_undef_file1.cc: Add new test case.
1819         * testsuite/weak_undef_file2.cc: Fix header comment.
1820         * testsuite/weak_undef_test.cc: Add new test case.
1821
1822 2010-06-29  Doug Kwan  <dougkwan@google.com>
1823
1824         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1825         Initialize USE_SYMBOL_.
1826         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1827         definition.
1828         (Arm_reloc_property::uses_symbol_): New data member declaration.
1829         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1830         uses symbol value and symbol is undefined but not weakly undefined.
1831
1832 2010-06-28  Rafael Espindola  <espindola@google.com>
1833
1834         * plugin.cc (Plugin::load): Use dlerror.
1835
1836 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1837
1838         * symtab.cc (detect_odr_violations): When reporting an ODR
1839         violation, report an object where the symbol is defined.
1840
1841 2010-06-25  Doug Kwan  <dougkwan@google.com>
1842
1843         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1844         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1845         definition.
1846         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1847         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1848         target hook to detect function points.
1849         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1850         * icf.h (Icf::check_section_for_function_pointers): Change type of
1851         parameter SECTION_NAME to const reference to std::string.  Use
1852         target hook to determine if section may have unsafe pointers.
1853         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1854         method definition.
1855
1856 2010-06-21  Rafael Espindola  <espindola@google.com>
1857
1858         * fileread.cc (Input_file::find_fie): New
1859         (Input_file::open): Use Input_file::find_fie.
1860         * fileread.h (Input_file::find_fie): New
1861         * plugin.cc (set_extra_library_path): New.
1862         (Plugin::load): Add set_extra_library_path to the transfer vector.
1863         (Plugin_manager::set_extra_library_path): New.
1864         (Plugin_manager::add_input_file): Use the extra search path if set.
1865         (set_extra_library_path(): New.
1866         * plugin.h (Plugin_manager): Add set_extra_library_path and
1867         extra_search_path_.
1868
1869 2010-06-19  Cary Coutant  <ccoutant@google.com>
1870
1871         * layout.cc (gdb_sections): Add .debug_types.
1872         (lines_only_debug_sections): Likewise.
1873
1874 2010-06-18  Rafael Espindola  <espindola@google.com>
1875
1876         * plugin.cc (add_input_file,add_input_library)
1877         (Plugin_manager::add_input_file): Make filename arguments const.
1878         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1879         const.
1880
1881 2010-06-16  Doug Kwan  <dougkwan@google.com>
1882
1883         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1884         .ARM.attributes section if we have not merged any input
1885         attributes sections.
1886
1887 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1888
1889         * arm.cc: Allow combining objects with no EABI version
1890         information.
1891
1892 2010-06-15  Rafael Espindola  <espindola@google.com>
1893
1894         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1895
1896 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1897
1898         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1899         (struct iovec): Correct !HAVE_READV definition.
1900
1901 2010-06-10  Cary Coutant  <ccoutant@google.com>
1902
1903         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1904         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1905         reloc sections.
1906         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1907
1908         PR 11683
1909         * symtab.h (Symbol::is_placeholder): New member function.
1910         * target-reloc.h (relocate_section): Check for placeholder symbols.
1911
1912         * testsuite/Makefile.am (plugin_test_8): New test.
1913         (plugin_test_9): New test.
1914         * testsuite/Makefile.in: Regenerate.
1915
1916 2010-06-09  Nick Clifton  <nickc@redhat.com>
1917
1918         * yyscript.y (input_list_element): Allow strings prefixed with
1919         the '-' character.  Treat these as libraries.
1920         * script.cc (script_add_library): New function.  Adds a library
1921         specified by "-l<name>" found in an input script.
1922         * script-c.h: Add prototype for script_add_library.
1923
1924 2010-06-07  Doug Kwan  <dougkwan@google.com>
1925
1926         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1927         Restrict stub-group size to be within long conditional branch
1928         range when working around cortex-A8 erratum.
1929
1930 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1931
1932         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1933         #ifdef typo.
1934
1935 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1936
1937         PR gold/11658
1938         * output.cc
1939         (Output_section::Input_section_sort_entry::compare_section_ordering):
1940         Change to return non-zero correctly.
1941         (Output_section::Input_section_sort_section_order_index_compare
1942         ::operator()): Change to fix ambiguity in comparisons.
1943
1944 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1945
1946         * gold.h (is_wildcard_string): New function.
1947         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1948         (Layout::layout_eh_frame): Ditto.
1949         (Layout::find_section_order_index): New method.
1950         (Layout::read_layout_from_file): New method.
1951         * layout.h (Layout::find_section_order_index): New method.
1952         (Layout::read_layout_from_file): New method.
1953         (Layout::input_section_position_): New private member.
1954         (Layout::input_section_glob_): New private member.
1955         * main.cc (main): Call read_layout_from_file here.
1956         * options.h (--section-ordering-file): New option.
1957         * output.cc (Output_section::input_section_order_specified_): New
1958         member.
1959         (Output_section::Output_section): Initialize new member.
1960         (Output_section::add_input_section): Add new parameter.
1961         Keep input sections when --section-ordering-file is used.
1962         (Output_section::set_final_data_size): Sort input sections when
1963         section ordering file is specified.
1964         (Output_section::Input_section_sort_entry): Add new parameter.
1965         Check sorting type.
1966         (Output_section::Input_section_sort_entry::compare_section_ordering):
1967         New method.
1968         (Output_section::Input_section_sort_compare::operator()): Change to
1969         consider section_order_index.
1970         (Output_section::Input_section_sort_init_fini_compare::operator()):
1971         Change to consider section_order_index.
1972         (Output_section::Input_section_sort_section_order_index_compare
1973         ::operator()): New method.
1974         (Output_section::sort_attached_input_sections): Change to sort
1975         according to section order when specified.
1976         (Output_section::add_input_section<32, true>): Add new parameter.
1977         (Output_section::add_input_section<64, true>): Add new parameter.
1978         (Output_section::add_input_section<32, false>): Add new parameter.
1979         (Output_section::add_input_section<64, false>): Add new parameter.
1980         * output.h (Output_section::add_input_section): Add new parameter.
1981         (Output_section::input_section_order_specified): New
1982         method.
1983         (Output_section::set_input_section_order_specified): New method.
1984         (Input_section::Input_section): Initialize section_order_index_.
1985         (Input_section::section_order_index): New method.
1986         (Input_section::set_section_order_index): New method.
1987         (Input_section::section_order_index_): New member.
1988         (Input_section::Input_section_sort_section_order_index_compare): New
1989         struct.
1990         (Output_section::input_section_order_specified_): New member.
1991         * script-sections.cc (is_wildcard_string): Delete and move modified
1992         method to gold.h.
1993         (Output_section_element_input::Output_section_element_input): Modify
1994         call to is_wildcard_string.
1995         (Output_section_element_input::Input_section_pattern
1996         ::Input_section_pattern): Ditto.
1997         (Output_section_element_input::Output_section_element_input): Ditto.
1998         * testsuite/Makefile.am (final_layout): New test case.
1999         * testsuite/Makefile.in: Regenerate.
2000         * testsuite/final_layout.cc: New file.
2001         * testsuite/final_layout.sh: New file.
2002
2003 2010-06-01  Rafael Espindola  <espindola@google.com>
2004
2005         * plugin.cc (Plugin::load): Pass the output name to the plugin.
2006
2007 2010-06-01  Rafael Espindola  <espindola@google.com>
2008
2009         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
2010         visibility of symbols.
2011
2012 2010-05-27  Doug Kwan  <dougkwan@google.com>
2013
2014         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
2015         from start of output section instead of address for a local symbol
2016         in a merged or relaxed section when doing a relocatable link.
2017
2018 2010-05-26  Rafael Espindola  <espindola@google.com>
2019
2020        PR 11604
2021         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
2022         adding sections the garbage collector removed.
2023         * gold/testsuite/Makefile.am: Add test.
2024         * gold/testsuite/Makefile.in: Regenerate.
2025         * gold/testsuite/plugin_test_7.sh: New.
2026         * gold/testsuite/plugin_test_7_1.c: New.
2027         * gold/testsuite/plugin_test_7_2.c: New.
2028
2029 2010-05-26  Rafael Espindola  <espindola@google.com>
2030
2031         * script-sections.cc (Output_section_definition::set_section_addresses):
2032         Check for --section-start.
2033
2034 2010-05-26  Doug Kwan  <dougkwan@google.com>
2035
2036         * arm.cc (Arm_scan_relocatable_relocs): New class.
2037         (Target_arm::relocate_special_relocatable): New method.
2038         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
2039         (Arm_relocate_functions::thumb_branch_common): Same.
2040         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
2041         instead of Default_scan_relocatable_relocs.
2042         * target-reloc.h (relocate_for_relocatable): Let target handle
2043         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
2044         * target.h (Sized_target::relocate_special_relocatable): New method.
2045
2046 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2047
2048         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
2049
2050 2010-05-23  Doug Kwan  <dougkwan@google.com>
2051
2052         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
2053         instead of a cast.
2054         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
2055         with a direct branch, not a conditional branch, to a stub.
2056         * merge.cc (Output_merge_base::record_input_section): New method
2057         defintion.
2058         (Output_merge_data::do_add_input_section): Record input section if
2059         keeps-input-sections flag is set.
2060         (Output_merge_string::do_add_input_section): Ditto.
2061         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
2062         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
2063         INPUT_SECTIONS_.
2064         (Output_merge_base::keeps_input_sections,
2065         Output_merge_base::set_keeps_input_sections,
2066         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
2067         method definitions.
2068         (Output_merge_base::Input_sections): New type declaration.
2069         (Output_merge_base::input_sections_begin,
2070         Output_merge_base::input_sections_end,
2071         Output_merge_base::do_set_keeps_input_sections): New method definitions.
2072         (Output_merge_base::bool keeps_input_sections_,
2073         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
2074         Output_merge_base::input_sections_): New data members.
2075         (Output_merge_data::do_set_keeps_input_sections): New method
2076         defintion.
2077         (Output_merge_string::do_set_keeps_input_sections): Ditto.
2078         * output.cc (Output_section::Input_section::relobj): Move method
2079         defintion from class declaration to here and handle merge sections.
2080         (Output_section::Input_section::shndx): Ditto.
2081         (Output_section::Output_section): Remove initializations of removed
2082         data members and initialize new data member LOOKUP_MAPS_.
2083         (Output_section::add_input_section): Set keeps-input-sections flag
2084         for a newly created merge output section as appropriate.  Adjust code
2085         to use Output_section_lookup_maps class.
2086         (Output_section::add_relaxed_input_section): Adjst code for lookup
2087         maps code refactoring.
2088         (Output_section::add_merge_input_section): Add a new parameter
2089         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
2090         class.  If adding input section to a newly created merge output
2091         section fails, remove the new merge section.
2092         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
2093         Adjust code for use of the Output_section_lookup_maps class.
2094         (Output_section::find_merge_section): Ditto.
2095         (Output_section::build_lookup_maps): New method defintion.
2096         (Output_section::find_relaxed_input_section): Adjust code to use
2097         Output_section_lookup_maps class.
2098         (Output_section::get_input_sections): Export merge sections.  Adjust
2099         code to use Output_section_lookup_maps class.
2100         (Output_section:::add_script_input_section): Adjust code to use
2101         Output_section_lookup_maps class.  Update lookup maps for merge
2102         sections also.
2103         (Output_section::discard_states): Use Output_section_lookup_maps.
2104         (Output_section::restore_states): Same.
2105         * output.h (Merge_section_properties): Move class defintion out of
2106         Output_section.
2107         (Output_section_lookup_maps): New class.
2108         (Output_section::Input_section::is_merge_section): New method
2109         defintion.
2110         (Output_section::Input_section::relobj): Move defintion out of class
2111         defintion.  Declare method only.
2112         (Output_section::Input_section::shndx): Ditto.
2113         (Output_section::Input_section::output_merge_base): New method defintion.
2114         (Output_section::Input_section::u2_.pomb): New union field.
2115         (Output_section::Merge_section_by_properties_map,
2116         Output_section::Output_section_data_by_input_section_map,
2117         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
2118         Remove types.
2119         (Output_section::add_merge_input_section): Add new parameter
2120         KEEPS_INPUT_SECTIONS.
2121         (Output_section::build_lookup_maps): New method declaration.
2122         (Output_section::merge_section_map_,
2123         Output_section::merge_section_by_properties_map_,
2124         Output_section::relaxed_input_section_map_,
2125         Output_section::is_relaxed_input_section_map_valid_): Remove data
2126         members.
2127         (Output_section::lookup_maps_): New data member.
2128
2129 2010-05-21  Doug Kwan  <dougkwan@google.com>
2130
2131         PR gold/11619
2132         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
2133         avoid a compilation error.
2134
2135 2010-05-19  Rafael Espindola  <espindola@google.com>
2136
2137         * script-sections.cc (Output_section_definition::allocate_to_segment):
2138         Update the phdrs_list even when the output section is NULL.
2139         * testsuite/Makefile.am: Add test.
2140         * testsuite/Makefile.in: Regenerate.
2141         * testsuite/script_test_9.cc: New.
2142         * testsuite/script_test_9.sh: New.
2143         * testsuite/script_test_9.t: New.
2144
2145 2010-05-19  Doug Kwan  <dougkwan@google.com>
2146
2147         * arm.cc (Arm_input_section::original_size): New method.
2148         (Arm_input_section::do_addralign): Add a cast.
2149         (Arm_input_section::do_output_offset): Remove static cast.
2150         (Arm_input_section::original_addralign,
2151          Arm_input_section::original_size_): Change type to uint32_t.
2152         (Arm_input_section::init): Add safe casts for section alignment
2153         and size.
2154         (Arm_input_section::set_final_data_size): Do not set address and
2155         offset of stub table.
2156         (Arm_output_section::fix_exidx_coverage): Change use of of
2157         Output_section::Simple_input_section to that of
2158         Output_section::Input_section.
2159         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
2160         except for the first pass.
2161         * output.cc (Output_section::get_input_sections): Change type of
2162         input_sections to std::list<Input_section>.
2163         (Output_section::add_script_input_section): Rename from
2164         Output_section::add_simple_input_section.  Change type of SIS
2165         parameter from Simple_input_section to Input_section.
2166         * output.h (Output_section::Simple_input_section): Remove class.
2167         (Output_section::Input_section): Change class visibility to public.
2168         (Output_section::Input_section::addralign): Use stored alignments
2169         for special input sections if set.
2170         (Output_section::Input_section::set_addralign): New method.
2171         (Output_section::get_input_sections): Change parameter type from
2172         list of Simple_input_section to list of Input_section.
2173         (Output_section::add_script_input_section): Rename from
2174         Output_section::add_simple_input_section. Change first parameter's
2175         type from Simple_input_section to Input_section and remove the
2176         second and third parameters.
2177         * script-sections.cc (Input_section::Input_section_list): Change
2178         type to list of Output_section::Input_section/
2179         (Input_section_info::Input_section_info): Change parameter type of
2180         INPUT_SECTION to Output_section::Input_section.
2181         (Input_section_info::input_section): Change return type.
2182         (Input_section_info::input_section_): Change type to
2183         Output_section::Input_section.
2184         (Output_section_element_input::set_section_addresses): Adjust code
2185         to use Output_section::Input_section instead of
2186         Output_section::Simple_input_section.  Adjust code for renaming
2187         of Output_section::add_simple_input_section.
2188         (Orphan_output_section::set_section_addresses): Ditto.
2189
2190 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2191
2192         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
2193         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
2194
2195 2010-05-18  Rafael Espindola  <espindola@google.com>
2196
2197         * options.cc (General_options::finalize): Handle -nostdlib.
2198         * options.h (nostdlib): New option.
2199         * script.cc (script_add_search_dir): Handle -nostdlib.
2200
2201 2010-05-12  Doug Kwan  <dougkwan@google.com>
2202
2203         * arm.cc (Target_arm::do_finalize_sections): Create an empty
2204         attributes section only if there no attributes section after merging.
2205         (Target_arm::merge_object_attributes): Move value of
2206         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
2207         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
2208         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
2209         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
2210         and arm_attr_merge_7.stdout.
2211         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
2212         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
2213         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
2214         arm_attr_merge_7b.o): New rules.
2215         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
2216         arm_attr_merge_7
2217         * testsuite/Makefile.in: Regenerate.
2218         * testsuite/arm_attr_merge.sh: New file.
2219         * testsuite/arm_attr_merge_[67][ab].s: Same.
2220
2221 2010-05-05  Nick Clifton  <nickc@redhat.com>
2222
2223         * po/es.po: Updated Spanish translation.
2224
2225 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2226
2227         * Makefile.am (install-exec-local): Properly install gold as
2228         default cross linker.
2229         * Makefile.in: Regenerated.
2230
2231 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2232             Nick Clifton  <nickc@redhat.com>
2233
2234         * configure.ac (install_as_default): Define and set to false
2235         unless --enable-gold or --enable-gold=both/gold has been
2236         specified.
2237         * configure: Regenerate.
2238
2239         * Makefile.am (install-exec-local): Install the executable as
2240         'ld.gold'.  If install_as_default is true then also install it as
2241         'ld'.
2242         * Makefile.in: Regenerated.
2243
2244 2010-04-24  Ian Lance Taylor  <iant@google.com>
2245
2246         * layout.cc (Layout::layout_reloc): In relocatable link don't
2247         combine reloc sections for grouped sections.
2248
2249 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
2250
2251         * gc.h (gc_process_relocs): Pass information on relocs pointing to
2252         sections that are not ordinary to icf.
2253         * icf.cc (get_section_contents): Handle relocation pointing to section
2254         with no object or shndx information.
2255         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
2256         * testsuite/Makefile.in: Regenerate.
2257         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
2258         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2259
2260 2010-04-22  Ian Lance Taylor  <iant@google.com>
2261
2262         * expression.cc (Expression::Expression_eval_info): Add
2263         result_alignment_pointer field.
2264         (Expression::eval_with_dot): Add result_alignment_pointer
2265         parameter.  Change all callers.
2266         (Expression::eval_maybe_dot): Likewise.
2267         (class Binary_expression): Add alignment_pointer parameter to
2268         left_value and right_value.  Change all callers.
2269         (BINARY_EXPRESSION): Set result alignment.
2270         (class Trinary_expression): Add alignment_pointer parameter to
2271         arg2_value and arg3_value.  Change all callers.
2272         (Trinary_cond::value): Set result alignment.
2273         (Max_expression::value, Min_expression::value): Likewise.
2274         (Align_expression::value): Likewise.
2275         * script-sections.cc (class Sections_element): Add dot_alignment
2276         parameter to set_section_addresses virtual function.  Update
2277         instantiations.
2278         (class Output_section_element): Likewise.
2279         (Script_sections::create_segments): Add dot_alignment parameter.
2280         Change all callers.
2281         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2282         (Script_sections::set_phdrs_clause_addresses): Likewise.
2283         * script-sections.h: Update declarations.
2284         * script.h: Update declarations.
2285         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2286         min_p_align.
2287         * testsuite/script_test_3.t: Set large alignment.
2288         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2289         segment has expected alignment.
2290
2291 2010-04-22  Nick Clifton  <nickc@redhat.com>
2292
2293         * po/gold.pot: Updated by the Translation project.
2294         * po/vi.po: Updated Vietnamese translation.
2295
2296 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2297
2298         * testsuite/Makefile.am (check_PROGRAMS): Add
2299         icf_virtual_function_folding_test.
2300         * testsuite/Makefile.in: Regenerated.
2301
2302 2010-04-15  Andrew Haley  <aph@redhat.com>
2303
2304         * options.h (merge_exidx_entries): New option.
2305         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2306         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2307         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2308         (Target_arm::merge_exidx_entries): New function.
2309         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2310         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2311         to Arm_exidx_fixup constructor.
2312         Add new arg, merge_exidx_entries.
2313         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2314         Arm_output_section::fix_exidx_coverage.
2315
2316 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2317
2318         * icf.cc (get_section_contents): Check for preemptible functions.
2319         Ignore addend when appropriate.
2320         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2321         section folded.
2322         (add_from_relobj): Check for section folded.
2323         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2324         * symtab.h (should_add_dynsym_entry): Add new parameter.
2325         * target-reloc.h (scan_relocs): Check for section folded.
2326         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2327         Check reloc types for function pointers in shared objects.
2328         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2329         case.
2330         (icf_preemptible_functions_test): New test case.
2331         (icf_string_merge_test): New test case.
2332         * testsuite.Makefile.in: Regenerate.
2333         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2334         bar_glob.  Refactor code.
2335         * testsuite/icf_preemptible_functions_test.cc: New file.
2336         * testsuite/icf_preemptible_functions_test.sh: New file.
2337         * testsuite/icf_string_merge_test.cc: New file.
2338         * testsuite/icf_string_merge_test.sh: New file.
2339         * testsuite/icf_virtual_function_folding_test.cc: New file.
2340         * testsuite/icf_virtual_function_folding_test.sh: New file.
2341
2342 2010-04-14  Doug Kwan  <dougkwan@google.com>
2343
2344         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2345         for local symbol recounting if we remove a section due to ICF.
2346         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2347         there are no regular objects in input.
2348
2349 2010-04-13  Doug Kwan  <dougkwan@google.com>
2350
2351         * arm.cc (Arm_input_section::set_final_data_size): Compute
2352         accurate final data size instead of using current data size.
2353
2354 2010-04-09  Doug Kwan  <dougkwan@google.com>
2355
2356         * layout.cc (Layout::choose_output_section): Handle script section
2357         types.
2358         (Layout::make_output_section_for_script): Add section type parameter.
2359         Handle script section types.
2360         * layout.h (Layout::make_output_section_for_script): Add section
2361         type parameter.
2362         * output.cc (Output_section::Output_section): Initialize data member
2363         is_noload_.
2364         (Output_section::do_reset_address_and_file_offset): Do not set address
2365         to 0 if section is a NOLOAD section.
2366         * output.h (Output_section::is_noload): New method.
2367         (Output_section::set_is_noload): Ditto.
2368         (Output_section::is_noload_): New data member.
2369         * script-c.h (Script_section_type): New enum type.
2370         (struct Parser_output_section_header): Add new file section_type.
2371         * script-sections.cc (Sections_element::output_section_name): Add
2372         parameter for returning script section type.
2373         (Output_section_definition::output_section_name): Ditto.
2374         (Output_section_definition::section_type)P; New method.
2375         (Output_section_definiton::script_section_type_name): Ditto.
2376         (Output_section_definition::script_section_type_): New data member.
2377         (Output_section_definition::Output_section_definition): Initialize
2378         data member Output_section_definition::script_section_type_.
2379         (Output_section_definition::create_sections): Pass script section type
2380         to Layout::make_output_section_for_script.
2381         (Output_section_definition::output_section_name): Return script
2382         section type to caller.
2383         (Output_section_definition::set_section_address): Do not advance
2384         dot value and load address if section type is NOLOAD.  Set address
2385         of NOLOAD sections regardless of section flags.
2386         (Output_section_definition::print): Print section type if it is
2387         not SCRIPT_SECTION_TYPE_NONE.
2388         (Output_section_definition::section_type): New method.
2389         (Output_section_definition::script_section_type_name): Ditto.
2390         (Script_sections::output_section_name): Add new parameter
2391         PSECTION_TYPE for returning script section type.  Pass it to
2392         section elements.  Handle discard sections.
2393         (Sort_output_sections::operator()): Handle NOLOAD sections.
2394         * script-sections.h (Script_sections::Section_type): New enum type.
2395         (Script_sections::output_section_name): Add a new parameter for
2396         returning script section type.
2397         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2398         INFO and NOLOAD.
2399         * yyscript.y (union): Add new field SECTION_TYPE.
2400         (COPY, DSECT, INFO, NOLOAD): New tokens.
2401         (opt_address_and_section_type): Change type to output_section_header.
2402         (section_type): New non-terminal
2403         (section_header): Handle section type.
2404         (opt_address_and_section_type): Return section type value.
2405
2406 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2407
2408         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2409         * testsuite/plugin_common_test_2.c (foo): Likewise.
2410
2411 2010-04-08  Doug Kwan  <dougkwan@google.com>
2412
2413         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2414         Output_merge_data.
2415         * output.cc (Output_section::add_merge_input_section): Simplify
2416         code and return status of Output_merge_base::add_input_section.
2417         Update merge section map only if Output_merge_base::add_input_section
2418         returns true.
2419
2420 2010-04-07  Doug Kwan  <dougkwan@google.com>
2421
2422         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2423         if section is marked as containing instructions but has no mapping
2424         symbols.
2425         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2426         correct section index.
2427         (Arm_relobj::find_linked_text_section): Ditto.
2428
2429 2010-04-07  Cary Coutant  <ccoutant@google.com>
2430
2431         * archive.cc (include_member): Destroy Read_symbols_data object before
2432         releasing file.
2433         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2434         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2435         (Read_symbols_data::~Read_symbols_data) New destructor.
2436         (Section_relocs::Section_relocs) New constructor.
2437         (Section_relocs::~Section_relocs) New destructor.
2438         (Read_relocs_data::Read_relocs_data) New constructor.
2439         (Read_relocs_data::~Read_relocs_data) New destructor.
2440         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2441         pointers to NULL after deleting.
2442
2443 2010-04-07  Doug Kwan  <dougkwan@google.com>
2444
2445         * arm.cc: Replace "endianity" with "endianness" in comments.
2446         (Arm_exidx_cantunwind): Ditto.
2447         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2448         (Arm_relobj::merge_flags_and_attributes): New method.
2449         (Arm_relobj::merge_flags_and_attributes_): New data member.
2450         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2451         (Arm_relobj::scan_sections_for_stubs): Ditto.
2452         (Arm_relobj::do_read_symbols): Check to see if we really want to
2453         merge processor-specific flags and attributes.  Exit early if
2454         an object is empty except for section names and the undefined symbol.
2455         (Target_arm::do_finalize_sections): Move check for ELF format to
2456         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2457         attributes from a regular object only when we have determined that
2458         it is aapropriate.  Do not create an .ARM.attributes section in
2459         output if there is no regular input object.
2460         (Target_arm::merge_processor_specific_flags): Check
2461         --warn-mismatch before printing any error.
2462         (Target_arm::merge_object_attributes): Ditto.
2463         * gold.cc (queue_middle_tasks): Handle the case in which there is
2464         no regular object in input.
2465         * options.cc (General_options::parse_EB): New method.
2466         (General_options::parse_EL): Same.
2467         (General_options::General_options): Initialize endianness_.
2468         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2469         New options.
2470         (General_options::Endianness): New enum.
2471         (General_options::endianness): New method.
2472         (General_options::endianness_): New data member.
2473         * parameters.cc (Parameters::set_options): Check target endianness.
2474         (Parameters::set_target_once): Ditto.
2475         (Parameters::check_target_endianness): New method.
2476         (parameters_force_valid_target): If either -EL or -EB is specified,
2477         use it to define endianness of default target.
2478         * parameters.h (Parameters::check_target_endianness): New method
2479         declaration.
2480         * target.h (class Target): Change "endianity" to "endianness"
2481         in comments.
2482
2483 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2484
2485         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2486         * configure: Regenerate.
2487         * Makefile.in: Regenerate.
2488         * testsuite/Makefile.in: Regenerate.
2489
2490 2010-04-06  Cary Coutant  <ccoutant@google.com>
2491
2492         gcc PR lto/42757
2493         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2494         prevailing definitions of common symbols.
2495         * testsuite/plugin_test_6.sh: New test case.
2496         * testsuite/plugin_common_test_1.c: New test case.
2497         * testsuite/plugin_common_test_2.c: New test case.
2498         * testsuite/Makefile.am (plugin_test_6): New test case.
2499         * testsuite/Makefile.in: Regenerate.
2500
2501 2010-04-06  Nick Clifton  <nickc@redhat.com>
2502
2503         * po/vi.po: New Vietnamese translation.
2504
2505 2010-03-30  Doug Kwan  <dougkwan@google.com>
2506
2507         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2508
2509 2010-03-25  Doug Kwan  <dougkwan@google.com>
2510
2511         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2512         to avoid a conversion warning on a 32-bit host.
2513
2514 2010-03-24  Ian Lance Taylor  <iant@google.com>
2515
2516         * testsuite/script_test_3.t: Add a TLS segment.
2517         * testsuite/Makefile.am (check_PROGRAMS): Add
2518         tls_phdrs_script_test.
2519         (tls_phdrs_script_test_SOURCES): Define.
2520         (tls_phdrs_script_test_DEPENDENCIES): Define.
2521         (tls_phdrs_script_test_LDFLAGS): Define.
2522         (tls_phdrs_script_test_LDADD): Define.
2523         * testsuite/Makefile.in: Rebuild.
2524
2525 2010-03-23  Cary Coutant  <ccoutant@google.com>
2526
2527         * fileread.cc (find_or_make_view): Fix comment.
2528
2529 2010-03-23  Ian Lance Taylor  <iant@google.com>
2530
2531         * script-sections.cc (class Orphan_section_placement): Define
2532         PLACE_TLS and PLACE_TLS_BSS.
2533         (Orphan_section_placement::Orphan_section_placement): Initialize
2534         new places.
2535         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2536         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2537         (tls_script_test_SOURCES): Define.
2538         (tls_script_test_DEPENDENCIES): Define.
2539         (tls_script_test_LDFLAGS): Define.
2540         (tls_script_test_LDADD): Define.
2541         * testsuite/Makefile.in: Rebuild.
2542
2543 2010-03-22  Doug Kwan  <dougkwan@google.com>
2544
2545         * arm.cc (Arm_relocate_functions::abs8,
2546         Arm_relocate_functions::abs16): Use correct check for overflow
2547         specified in the ARM ELF specs.
2548         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2549         target of a BLX instruction specially.
2550         (Reloc_stub::stub_type_for_reloc): Ditto.
2551         (Relocate::relocate): Use symbolic names instead of numeric relocation
2552         codes to report error.
2553         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2554         workaround.
2555         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2556         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2557         thumb2_blx_out_of_range.stdout
2558         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2559         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2560         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2561         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2562         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2563         thumb2_blx_in_range, thumb2_blx_in_range.o,
2564         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2565         thumb2_blx_out_of_range.o): New rules.
2566         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2567         thumb2_blx_in_range and thumb2_blx_out_of_range.
2568         * testsuite/Makefile.in: Regenerate.
2569         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2570         * testsuite/thumb_blx_in_range.s: New file.
2571         * testsuite/thumb_blx_out_of_range.s: New file.
2572
2573 2010-03-22  Rafael Espindola  <espindola@google.com>
2574
2575         * archive.cc (Should_include): Move to archive.h.
2576         (should_include_member): Make it a member of Archive.
2577         (Lib_group): New.
2578         (Add_lib_group_symbols): New.
2579         * archive.h: Include options.h.
2580         (Archive_member): Moved from Archive.
2581         (Should_include): Moved from archive.cc.
2582         (Lib_group): New.
2583         (Add_lib_group_symbols): New.
2584         * dynobj.cc (do_should_include_member): New.
2585         * dynobj.h (do_should_include_member): New.
2586         * gold.cc (queue_initial_tasks): Update call to queue.
2587         * main.cc (main): Print lib group stats.
2588         * object.cc (do_should_include_member): New.
2589         * object.h: Include archive.h.
2590         (Object::should_include_member): New.
2591         (Object::do_should_include_member): New.
2592         (Sized_relobj::do_should_include_member): New.
2593         * options.cc (General_options::parse_start_lib): New.
2594         (General_options::parse_end_lib): New.
2595         (Input_arguments::add_file): Handle lib groups.
2596         (Input_arguments::start_group): Check we are not in a lib.
2597         (Input_arguments::start_lib): New.
2598         (Input_arguments::end_lib): New.
2599         * options.h (General_options): Add start_lib and end_lib.
2600         (Input_argument::lib_): New.
2601         (Input_argument::lib): New.
2602         (Input_argument::is_lib): New.
2603         (Input_file_lib): New.
2604         (Input_arguments::in_lib_): New.
2605         (Input_arguments::in_lib): New.
2606         (Input_arguments::start_lib): New.
2607         (Input_arguments::end_lib_): New.
2608         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2609         in unused members as preempted.
2610         (Sized_pluginobj::do_should_include_member): New.
2611         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2612         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2613         return the blocker.
2614         (Read_symbols::do_whole_lib_group): New.
2615         (Read_symbols::do_lib_group): New.
2616         (Read_symbols::do_read_symbols): Handle lib groups.
2617         (Read_symbols::get_name): Handle lib groups.
2618         * readsyms.h (Read_symbols): Add an archive member pointer.
2619         (Read_symbols::do_whole_lib_group): New.
2620         (Read_symbols::do_lib_group): New.
2621         (Read_symbols::member_): New.
2622         * script.cc (read_input_script): Update call to queue_soon.
2623
2624 2010-03-19  Doug Kwan  <dougkwan@google.com>
2625
2626         * arm.cc (Stub_table::Stub_table): Initialize new data members
2627         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2628         (Stub_table::add_reloc_stub): Assign stub offset and update
2629         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2630         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2631         New data members.
2632         (Stub_table::update_data_size_and_addralign): Use
2633         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2634         instead of going over all reloc stubs.
2635         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2636         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2637         Stringpool_template::offset_ to size of Stringpool_char.
2638         (Stringpool_template::new_key_offset): Remove code to initialize
2639         Stringpool_template::offset_.
2640         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2641         Stringpool_template::offset_ to zero.
2642
2643 2010-03-15  Doug Kwan  <dougkwan@google.com>
2644
2645         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2646         offset_.
2647         (Stringpool_template::new_key_offset): New method.
2648         (Stringpool_template::add_string): Assign offsets when adding new
2649         strings.
2650         (Stringpool_template::set_string_offsets): Do not set string offsets
2651         when not optimizing.
2652         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2653         member size_.
2654         (Chunked_vector::clear): Clear size_.
2655         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2656         (Chunked_vector::size): Return size_.
2657         (Chunked_vector::push_back): Use size_ to find insert position.
2658         (Chunked_vector::size_): New data member.
2659         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2660         (Stringpool_template::new_key_offset): New method declaration.
2661         (Stringpool_template::offset_): New data member.
2662
2663 2010-03-15   Rafael Espindola  <espindola@google.com>
2664
2665         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2666         Add_symbols' constructor.
2667         * readsyms.h (Add_symbols): Remove the input_group member.
2668
2669 2010-03-10  Ian Lance Taylor  <iant@google.com>
2670
2671         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2672         target to ask whether a reference to a symbol requires a stack
2673         split.
2674         * target.h (Target::is_call_to_non_split): New function.
2675         (Target::do_is_call_to_non_split): Declare virtual function.
2676         * target.cc: Include "symtab.h".
2677         (Target::do_is_call_to_non_split): New function.
2678         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2679
2680 2010-03-10  Cary Coutant  <ccoutant@google.com>
2681
2682         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2683         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2684         (File_read::open[2]): Add whole_file_view_ to list of views.
2685         (File_read::make_view): Remove test of whole_file_view_.
2686         (File_read::find_or_make_view): Create whole_file_view_ if
2687         necessary.
2688         (File_read::clear_views): Replace bool parameter with enum;
2689         adjust all callers.  Don't delete views with permanent data;
2690         do delete cached views and views from archives if
2691         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2692         if clearing the corresponding view.
2693         * fileread.h (File_read::Clear_views_mode): New enum.
2694         (File_read::View::is_permanent_view): New method.
2695         (File_read::clear_views): Replace bool parameter
2696         with enum; adjust all callers.
2697         * options.h (General_options): Change keep_files_mapped option;
2698         add map_whole_files.
2699         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2700         releasing the file.
2701         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2702         the file.
2703
2704 2010-03-10  David S. Miller  <davem@davemloft.net>
2705
2706         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2707
2708 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2709
2710         * icf.cc (get_section_contents): Add '@' marker after processing the
2711         merge reloc.
2712
2713 2010-03-08  Doug Kwan  <dougkwan@google.com>
2714
2715         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2716         due to a conversion warning.
2717         (Arm_relobj::update_output_local_symbol_count): Check for local
2718         symbol with unset output index.
2719
2720 2010-03-05  Ian Lance Taylor  <iant@google.com>
2721
2722         * options.h (class General_options): Add --spare-dynamic-tags.
2723         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2724         --spare-dynamic-tags.
2725
2726 2010-03-05  Ian Lance Taylor  <iant@google.com>
2727
2728         * incremental.cc: Include "libiberty.h".
2729
2730 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2731
2732         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2733         function, is_info_ member.
2734         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2735         (Versions::Versions): Update caller.
2736         (Versions::define_base_version): Likewise.
2737         (Versions::add_def): Likewise.
2738
2739 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2740
2741         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2742         (Scan::possible_function_pointer_reloc): New function.
2743         (Scan::local_reloc_may_be_function_pointer): Change to call
2744         possible_function_pointer_reloc.
2745         (Scan::global_reloc_may_be_function_pointer): Ditto.
2746         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2747         relocations in ".data.rel.ro._ZTV" section.
2748         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2749         * testsuite/icf_safe_so_test.cc: Ditto.
2750         * testsuite/icf_safe_test.cc: Ditto.
2751         * testsuite/icf_safe_test.sh: Ditto.
2752
2753 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2754             Ian Lance Taylor  <iant@google.com>
2755
2756         * target-reloc.h (relocate_section): Check the symbol table index
2757         for -1U before setting the local symbol index.
2758         (scan_relocatable_relocs): If copying the relocation, record that
2759         the local symbol is required.
2760         * object.h (Symbol_value::is_output_symtab_index_set): New
2761         function.
2762         (Symbol_value::may_be_discarded_from_output_symtab): New
2763         function.
2764         (Symbol_value::has_output_symtab_entry): New function.
2765         (Symbol_value::needs_output_symtab_entry): Remove.
2766         (Symbol_value::output_symtab_index): Make sure the symbol index is
2767         set.
2768         (Symbol_value::set_output_symtab_index): Make sure the symbol
2769         index is not set.  Make sure the new index is valid.
2770         (Symbol_value::set_must_have_output_symtab_entry): New function.
2771         (Symbol_value::has_output_dynsym_entry): New function.
2772         (Symbol_value::set_output_dynsym_index): Make sure the new index
2773         is valid.
2774         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2775         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2776         local symbol if permitted.
2777         (Sized_relobj::do_finalize_local_symbols): Call
2778         is_output_symtab_index_set rather than needs_output_symtab_entry.
2779         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2780         rather than needs_output_symtab_entry.  Call
2781         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2782         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2783         is_output_symtab_index_set rather than needs_output_symtab_entry.
2784         * testsuite/discard_locals_relocatable_test.c: New file.
2785         * testsuite/discard_locals_test.sh: Test -r.
2786         * testsuite/Makefile.am (check_DATA): Add
2787         discard_locals_relocatable_test1.syms,
2788         discard_local_relocatable_test2.syms.
2789         (MOSTLYCLEANFILES): Likewise.  Also add
2790         discard_locals_relocatable_test1.lout and
2791         discard_locals_relocatable_test2.out.
2792         (discard_locals_relocatable_test1.syms): New target.
2793         (discard_locals_relocatable_test.o): New target.
2794         (discard_locals_relocatable_test1.out): New target.
2795         (discard_locals_relocatable_test2.syms): New target.
2796         (discard_locals_relocatable_test2.out): New target.
2797         (various): Add missing ../ld-new dependencies.
2798         * testsuite/Makefile.in: Rebuild.
2799
2800 2010-03-03  Nick Clifton  <nickc@redhat.com>
2801
2802         * po/fi.po: New Finnish translation.
2803
2804 2010-03-01  Doug Kwan  <dougkwan@google.com>
2805
2806         * layout.cc (Layout::Layout): Force section types of .init_array*,
2807         .preinit_array* and .fini_array* sections.
2808         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2809         Fix check of return value of std::string::find.().
2810         (Output_section::Input_section_sort_compare::operator()): Remove
2811         comment about .init_array.
2812         (Output_section::Input_section_sort_init_fini_compare::operator()):
2813         New method.
2814         (Output_section::sort_attached_input_sections): Handle .init_array
2815         and .fini_array specially.
2816         * output.h (Output_section::Inut_section_sort_compare): Update
2817         comment.
2818         (Output_section::Input_section_sort_init_fini_compare): New struct.
2819
2820 2010-02-26  Doug Kwan  <dougkwan@google.com>
2821
2822         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2823         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2824         * testsuite/debug_msg.sh: Avoid matching source line number for
2825         use of global variable undef_int.
2826
2827 2010-02-26  Doug Kwan  <dougkwan@google.com>
2828
2829         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2830         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2831         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2832         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2833         * options.cc (General_options::General_options): Initialize member
2834         fix_v4bx_.
2835         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2836         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2837         and rm_no_fix_v4bx.stdout
2838         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2839         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2840         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2841         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2842         and arm_no_fix_v4bx.
2843         * Makefile.in: Regenerate.
2844         * testsuite/arm_fix_v4bx.s: New file.
2845         * testsuite/arm_fix_v4bx.sh: Ditto.
2846
2847 2010-02-24  Doug Kwan  <dougkwan@google.com>
2848
2849         * arm.cc (Target_arm::got_section): Make the .got section the first
2850         non RELRO section in the data segment.
2851         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2852         suffixes of section names.
2853
2854 2010-02-24  Doug Kwan  <dougkwan@google.com>
2855
2856         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2857         flags and attributes merging if an input file is a binary file.
2858         * fileread.cc (Input_file::open): Record format of original file.
2859         * fileread.h (Input_file::Format): New enum type.
2860         (Input_file::Input_file): Initialize data member format_.
2861         (Input_file::format): New method definition.
2862         (Input_file::format_):: New data member.
2863
2864 2010-02-24  Doug Kwan  <dougkwan@google.com>
2865
2866         * arm.cc (Arm_output_data_got): New class.
2867         (ARM_TCB_SIZE): New constant
2868         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2869         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2870         If user uses a script with a SECTIONS clause, issue only a warning
2871         for a misplaced EXIDX input section.  Otherwise, issue an error.
2872         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2873         garbage collection.
2874         (Target_arm::got_mode_index_entry): Handle static linking.
2875         (Target_arm::Scan::local): Ditto.
2876         (Target_arm::Scan::global): Ditto.
2877         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2878         all incorrectly implemented relocations.
2879         (Target_arm::fix_exidx_coverage): Pass layout to
2880         Arm_output_section::fix_exidx_coverage.
2881         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2882         from ".ARM.exidx." and ".ARM.extab.".
2883
2884 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2885
2886         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2887         section if it does not already exist.
2888         * attributes.cc (Attributes_section_data::Attributes_section_data):
2889         Don't crash if size is zero.
2890
2891 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2892             Ian Lance Taylor  <iant@google.com>
2893
2894         * gold.cc (queue_middle_tasks): If no input files were opened,
2895         exit.
2896         * workqueue.h (Task_function::Task_function): Assert that there is
2897         a blocker.
2898
2899 2010-02-22  Doug Kwan  <dougkwan@google.com>
2900
2901         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2902         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2903         types to avoid warnings due to different uint64_t implementations
2904         on different hosts.
2905
2906 2010-02-21  Doug Kwan  <dougkwan@google.com>
2907
2908         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2909         handling of the maximum backward branch offset.
2910         (Arm_relocate_functions::thumb_branch_common): Ditto.
2911         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2912         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2913         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2914         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2915         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2916         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2917         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2918         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2919         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2920         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2921         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2922         thumb2_bl_out_of_range.o): New rules.
2923         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2924         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2925         thumb2_bl_out_of_range
2926         * testsuite/Makefile.in: Regenerate.
2927         * testsuite/arm_bl_in_range.s: New file.
2928         * testsuite/arm_bl_out_of_range.s: Ditto.
2929         * testsuite/arm_branch_in_range.sh: Ditto.
2930         * testsuite/arm_branch_range.t: Ditto.
2931         * testsuite/thumb2_branch_range.t: Ditto.
2932         * testsuite/thumb_bl_in_range.s: Ditto.
2933         * testsuite/thumb_bl_out_of_range.s: Ditto.
2934         * testsuite/thumb_branch_range.t: Ditto.
2935
2936 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2937
2938         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2939         Add reloc offset information.
2940         * icf.cc (get_section_contents): Change iterators to point to the new
2941         vectors. Add reloc offset information to the contents.
2942         * icf.h (Icf::Sections_reachable_info): New typedef.
2943         (Icf::Sections_reachable_list): New typedef.
2944         (Icf::Offset_info): New typedef.
2945         (Icf::Reloc_info): New struct typedef.
2946         (Icf::Reloc_info_list): New typedef.
2947         (Icf::symbol_reloc_list): Delete method.
2948         (Icf::addend_reloc_list): Delete method.
2949         (Icf::section_reloc_list): Delete method.
2950         (Icf::reloc_info_list): New method.
2951         (Icf::reloc_info_list_): New member.
2952
2953 2010-02-19  Doug Kwan  <dougkwan@google.com>
2954
2955         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2956         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2957         * arm.cc (Arm_relocation_functions): New forward declaration.
2958         (Target_arm::Target_arm): Initialize new data members
2959         got_mod_index_offset_ and tls_base_symbol_defined_.
2960         (Target_arm::Relocate::relocate_tls): New method.
2961         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2962          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2963         New methods.
2964         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2965         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2966         (Target_arm::got_mod_index_offset_,
2967         Target_arm::tls_base_symbol_defined_): New data members.
2968         (Target_arm::Scan::local, Target::Scan::global,
2969         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2970         relocations.
2971
2972 2010-02-18  Doug Kwan  <dougkwan@google.com>
2973
2974         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2975         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2976         text section as a parameter becuase some broken tools may not set
2977         the link in section header.
2978         (Target_arm::has_got_section): New method.
2979         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2980         without any mapping symbol as data only.  Remove warning.
2981         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2982         link in its section header, try to discover the link by inspecting the
2983         REL31 relocation at the beginning of the section.
2984         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2985         in error message.
2986         (Target_arm::Scan::global): Treat any reference to the symbol
2987         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2988
2989 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2990
2991         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2992         (Scan::global_reloc_may_be_function_pointer): New function.
2993         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2994         (Scan::global_reloc_may_be_function_pointer): New function.
2995         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2996         (Scan::global_reloc_may_be_function_pointer): New function.
2997         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2998         (Scan::global_reloc_may_be_function_pointer): New function.
2999         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
3000         (Scan::global_reloc_may_be_function_pointer): New function.
3001         (Scan::possible_function_pointer_reloc): New function.
3002         (Target_x86_64::can_check_for_function_pointers): New function.
3003         * gc.h (gc_process_relocs): Scan relocation types to determine if
3004         function pointers were taken for targets that support it.
3005         * icf.cc (Icf::find_identical_sections): Include functions for
3006         folding in safe ICF whose pointer is not taken.
3007         * icf.h (Secn_fptr_taken_set): New typedef.
3008         (fptr_section_id_): New member.
3009         (section_has_function_pointers): New function.
3010         (set_section_has_function_pointers): New function.
3011         (check_section_for_function_pointers): New function.
3012         * options.h: Fix comment for safe ICF option.
3013         * target.h (can_check_for_function_pointers): New function.
3014         * testsuite/Makefile.am: Add icf_safe_so_test test case.
3015         Modify icf_safe_test for X86-64.
3016         * testsuite/Makefile.in: Regenerate.
3017         * testsuite/icf_safe_so_test.cc: New file.
3018         * testsuite/icf_safe_so_test.sh: New file.
3019         * testsuite/icf_safe_test.cc (kept_func_3): New function.
3020         (main): Change to take pointer to function kept_func_3.
3021         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
3022         folding is done correctly for X86-64.
3023
3024 2010-02-12  David S. Miller  <davem@davemloft.net>
3025
3026         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
3027         is_symbolless parameter.
3028         (Output_reloc<SHT_REL>::is_symbolless): New.
3029         (Output_reloc<SHT_REL>::is_symbolless_): New.
3030         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
3031         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
3032         (Output_reloc<SHT_RELA>::is_symbolless): New.
3033         (Output_data_reloc::add_global): Handle is_symbolless.
3034         (Output_data_reloc::add_global_relative): Likewise.
3035         (Output_data_reloc::add_local): Likewise.
3036         (Output_data_reloc::add_local_relative): Likewise.
3037         (Output_data_reloc::add_symbolless_global_addend): New.
3038         (Output_data_reloc::add_symbolless_local_addend): New.
3039         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
3040         is_symbolless.
3041         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
3042         instead of ->is_relative_
3043         (Output_reloc::write): Likewise.
3044         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
3045         (Output_reloc::write_rel): Simplify.
3046
3047         * sparc.cc (Target_sparc::Scan::local): Use
3048         ->add_symbolless_local_addend as needed.
3049         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
3050         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
3051         based upon relocation offset.
3052
3053 2010-02-11  Doug Kwan  <dougkwan@google.com>
3054
3055         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
3056         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
3057         beginning of function.
3058         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
3059         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
3060         parameter is_32bit in calls to should_apply_static_reloc.
3061         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
3062         (check_DATA): Add arm_abs_global.stdout.
3063         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
3064         arm_abs_global.stdout): New rules.
3065         (MOSTLLYCLEANFILES): Add arm_abs_global
3066         * Makefile.in: Regenerate.
3067         * testsuite/arm_abs_global.s: New file.
3068         * testsuite/arm_abs_global.sh: Ditto.
3069         * testsuite/arm_abs_lib.s: Ditto.
3070
3071 2010-02-11  Ian Lance Taylor  <iant@google.com>
3072
3073         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
3074         Read_relocs task.
3075         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
3076         Allocate_commons_task first.
3077         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
3078         task, rather than symtab_lock_.
3079         (Gc_process_relocs::~Gc_process_relocs): New function.
3080         (Gc_process_relocs::is_runnable): Check this_blocker_.
3081         (Gc_process_relocs::locks): Use next_blocker_ rather than
3082         blocker_.
3083         (Scan_relocs::~Scan_relocs): New function.
3084         (Scan_relocs::is_runnable): Check this_blocker_ rather than
3085         symtab_lock_.
3086         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
3087         next_blocker_.
3088         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
3089         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
3090         constructor accordingly.
3091         (class Gc_process_relocs): Likewise.
3092         (class Scan_relocs): Likewise.
3093         * common.h (class Allocate_commons_task): Remove symtab_lock_
3094         field, and corresponding constructor parameter.
3095         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
3096         symtab_lock_.
3097         (Allocate_commons_task::locks): Likewise.
3098
3099 2010-02-11  Ian Lance Taylor  <iant@google.com>
3100
3101         * gold-threads.h (class Once): Define.
3102         (class Initialize_lock): Rewrite as child of Once.
3103         * gold-threads.cc (class Once_initialize): Define.
3104         (once_pointer_control): New static variable.
3105         (once_pointer, once_arg): New static variables.
3106         (c_run_once): New static function.
3107         (Once::Once, Once::run_once, Once::internal_run): New functions.
3108         (class Initialize_lock_once): Remove.
3109         (initialize_lock_control): Remove.
3110         (initialize_lock_pointer): Remove.
3111         (initialize_lock_once): Remove.
3112         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
3113         (Initialize_lock::initialize): Rewrite.
3114         (Initialize_lock::do_run_once): New function.
3115         * archive.cc (Archive::interpret_header): Only clear name if it is
3116         not already empty.
3117         * fileread.cc: Include "gold-threads.h"
3118         (file_counts_lock): New static variable.
3119         (file_counts_initialize_lock): Likewise.
3120         (File_read::release): Only increment counts when using --stats.
3121         Use a lock around the increment.
3122         * parameters.cc (class Set_parameters_target_once): Define.
3123         (set_parameters_target_once): New static variable.
3124         (Parameters::Parameters): Move here from parameters.h.
3125         (Parameters::set_target): Rewrite.
3126         (Parameters::set_target_once): New function.
3127         (Parameters::clear_target): Move here and rewrite.
3128         * parameters.h (class Parameters): Update declarations.  Add
3129         set_parameters_target_once_ field.
3130         (Parameters::Parameters): Move to parameters.cc.
3131         (Parameters::clear_target): Likewise.
3132         * readsyms.cc (Read_symbols::do_group): Create a Start_group
3133         task.
3134         (Start_group::~Start_group): New function.
3135         (Start_group::is_runnable): New function.
3136         (Start_group::locks, Start_group::run): New functions.
3137         (Finish_group::run): Change saw_undefined to size_t.
3138         * readsyms.h (class Start_group): Define.
3139         (class Finish_group): Change saw_undefined_ field to size_t.
3140         (Finish_group::Finish_group): Remove saw_undefined and
3141         this_blocker parameters.  Change all callers.
3142         (Finish_group::set_saw_undefined): New function.
3143         (Finish_group::set_blocker): New function.
3144         * symtab.h (class Symbol_table): Change saw_undefined to return
3145         size_t.  Change saw_undefined_ field to size_t.
3146         * target-select.cc (Set_target_once::do_run_once): New function.
3147         (Target_selector::Target_selector): Initialize set_target_once_
3148         field.  Don't initialize lock_ and initialize_lock_ fields.
3149         (Target_selector::instantiate_target): Rewrite.
3150         (Target_selector::set_target): New function.
3151         * target-select.h (class Set_target_once): Define.
3152         (class Target_selector): Update declarations.  Make
3153         Set_target_once a friend.  Remove lock_ and initialize_lock_
3154         fields.  Add set_target_once_ field.
3155
3156 2010-02-10  Ian Lance Taylor  <iant@google.com>
3157
3158         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
3159         queueing any tasks.
3160         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
3161         (queue_middle_tasks): Add all blockers before queueing any tasks.
3162         (queue_final_tasks): Likewise.
3163         * token.h (Task_token::add_blockers): New function.
3164         * object.h (Input_objects::number_of_relobjs): New function.
3165
3166 2010-02-10  Ian Lance Taylor  <iant@google.com>
3167
3168         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
3169         shared, not if not position independent.
3170         * x86_64.cc (Relocate::relocate_tls): Likewise.
3171         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
3172         (tls_pie_pic_test): New target.
3173         * testsuite/Makefile.in: Rebuild.
3174
3175         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
3176         (tls_test_main_pie.o, tls_test_pie.o): New targets.
3177         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
3178         * testsuite/Makefile.in: Rebuild.
3179
3180 2010-02-09  David S. Miller  <davem@davemloft.net>
3181
3182         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
3183         R_SPARC_RELATIVE using ->add_local_relative().
3184         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
3185
3186         * output.h (Output_data_dynamic::add_section_size): New method
3187         that takes two Output_data objects.
3188         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
3189         entry param.  Handle it in initializers.
3190         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
3191         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
3192         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
3193         arg.
3194         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
3195         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
3196         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
3197         for dynrel_includes_plt.
3198         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3199         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3200         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
3201         before .rela.plt
3202         (Target_sparc::do_finalize_sections): Update to pass true for
3203         dynrel_includes_plt.
3204         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
3205         output before .rela.plt
3206         (Target_powerpc::do_finalize_sections): Update to pass true for
3207         dynrel_includes_plt when 32-bit.
3208
3209 2010-02-08  Doug Kwan  <dougkwan@google.com>
3210
3211         * arm.cc (Arm_relobj::simple_input_section_output_address): New
3212         method.
3213         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
3214         Arm_relobj::scan_section_for_cortex_a8_stubs,
3215         Arm_relobj::do_relocation_section): Instead of calling
3216         Output_section::output_address, use faster
3217         Arm_relobj::simple_input_section_output_address.
3218
3219 2010-02-08  David S. Miller  <davem@davemloft.net>
3220
3221         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
3222         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
3223         relocation helper function.
3224
3225         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
3226         just like R_SPARC_GOT{10,13,22}.
3227         (Target_sparc::Scan::local): Likewise.
3228         (Target_sparc::Relocate:relocate): Likewise.
3229
3230 2010-02-06  Ian Lance Taylor  <iant@google.com>
3231
3232         * configure.ac: Rewrite targetobjs duplicate removal code to use
3233         only shell constructs.
3234         * configure: Rebuild.
3235
3236 2010-02-05  Doug Kwan  <dougkwan@google.com>
3237
3238         PR 11247
3239         * arm.cc (Arm_relobj::section_is_scannable): New method.
3240         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
3241         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
3242
3243 2010-02-04  Doug Kwan  <dougkwan@google.com>
3244
3245         PR 11247
3246         * arm-reloc-property.cc (cstdio): Include.
3247         * configure.ac (targetobjs): Remove duplicates.
3248         * configure: Regenerate.
3249         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
3250         big and little endian version for a given address size.
3251
3252 2010-02-03  Doug Kwan  <dougkwan@google.com>
3253
3254         * arm-reloc-property.cc
3255         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3256         definition.
3257         * arm-reloc-property.h
3258         (Arm_reloc_property_table::get_implemented_static_reloc_property):
3259         New method definition.
3260         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3261         declaration.
3262         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
3263         overflow to N.
3264         (GOT_PREL): Change implemented to Y.
3265         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3266         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3267         (Arm_relocate_functions::movw_abs_nc): Remove method.
3268         (Arm_relocate_functions::movt_abs): Ditto.
3269         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3270         (Arm_relocate_functions::thm_movt_abs): Ditto.
3271         (Arm_relocate_functions::movw_rel_nc): Ditto.
3272         (Arm_relocate_functions::movw_rel): Ditto.
3273         (Arm_relocate_functions::movt_rel): Ditto.
3274         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3275         (Arm_relocate_functions:thm_movw_rel): Ditto.
3276         (Arm_relocate_functions:thm_movt_rel): Ditto.
3277         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3278         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3279         New method definitions.
3280         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3281         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3282         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3283         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3284         (Target_arm::Relocate::relocate): Check for non-static or
3285         unimplemented relocation code and exit early.  Change calls to
3286         Target_arm::reloc_uses_thumb_bit and
3287         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3288         instead.  Refactor code to handle similar relocations to increase
3289         code sharing.  Remove check for unsupported relocation code in switch
3290         statement.
3291         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3292         relocation property table to find out size.  Change error message to
3293         print out the name of a relocation code instead of the numeric value.
3294         (Target_arm::scan_reloc_for_stub): Use relocation property table
3295         instead of calling Target_arm::reloc_uses_thumb_bit().
3296
3297 2010-02-02  Doug Kwan  <dougkwan@google.com>
3298
3299         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3300         types of relaxed input section.
3301
3302 2010-02-02  Doug Kwan  <dougkwan@google.com>
3303
3304         * Makefile.am (HFILES): Add arm-reloc-property.h.
3305         (DEFFILES): New.
3306         (TARGETSOURCES): Add arm-reloc-property.cc
3307         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3308         (libgold_a_SOURCES): $(DEFFILES)
3309         * Makefile.in: Regenerate.
3310         * arm-reloc-property.cc: New file.
3311         * arm-reloc-property.h: New file.
3312         * arm-reloc.def: New file.
3313         * arm.cc: Update comments.
3314         (arm-reloc-property.h): New included header.
3315         (arm_reloc_property_table): New global variable.
3316         (Target_arm::do_select_as_default_target): New method definition.
3317         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3318         arm-reloc-property to targ_extra_obj.
3319         * parameters.cc (set_parameters_target): Call
3320         Target::select_as_default_target().
3321         * target.h (Target::select_as_default_target): New method definition.
3322         (Target::do_select_as_default_target): Same.
3323
3324 2010-02-01  Doug Kwan  <dougkwan@google.com>
3325
3326         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3327         first_output_text_section_.
3328         (Arm_exidx_fixup::first_output_text_section): New method definition.
3329         (Arm_exidx_fixup::first_output_text_section_): New data member.
3330         (Arm_exidx_fixup::process_exidx_section): Record the first text
3331         output section seen.
3332         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3333         and entsize in output section header.
3334
3335 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3336
3337         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3338         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3339         (Arm_relocate_functions::thm_alu11): New Method.
3340         (Arm_relocate_functions::thm_pc8): New Method.
3341         (Arm_relocate_functions::thm_pc12): New Method.
3342         (Target_arm::Scan::local): Handle the relocations.
3343         (Target_arm::Scan::global): Likewise.
3344         (Target_arm::Relocate::relocate): Likewise.
3345         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3346
3347 2010-01-29  Doug Kwan  <dougkwan@google.com>
3348
3349         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3350         of relocation types as ld.
3351
3352 2010-01-29  Doug Kwan  <dougkwan@google.com>
3353
3354         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3355         to public.
3356         (Arm_relocate_functions::thumb_branch_common): Ditto.
3357         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3358         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3359         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3360         Arm_relocate_functions::jump24): Remove.
3361         (Target_arm::Relocate::relocate): Adjust code to call
3362         Arm_relocation_functions::arm_branch_common and
3363         Arm_relocation_functions::thumb_branch_common instead of their removed
3364         wrappers.  Merge switch-cases together to reduce source code size.
3365
3366 2010-01-29  Doug Kwan  <dougkwan@google.com>
3367
3368         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3369         output_local_symbol_count_needs_update_.
3370         (Arm_relobj::output_local_symbol_count_needs_update,
3371          Arm_relobj::set_output_local_symbol_count_needs_update,
3372          Arm_relobj::update_output_local_symbol_count): New methods.
3373         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3374         member.
3375         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3376         of pointed function as in a R_ARM_PREL31 relocation.
3377         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3378         for output local symbol count updating.
3379         (Target_arm::do_relax): Update output local symbol counts in objects
3380         if necessary.
3381         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3382
3383 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3384
3385         * arm.cc: Added support for the ARM relocations:
3386         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3387         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3388         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3389         movw_prel_nc).
3390         (Arm_relocate_functions::movw_rel): New method.
3391         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3392         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3393         thm_movw_prel_nc).
3394         (Arm_relocate_functions::thm_movw_rel): New method.
3395         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3396         thm_movt_prel).
3397         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3398         relocations.
3399         (Target_arm::Scan::global): Likewise.
3400         (Target_arm::Relocate::relocate): Likewise.
3401         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3402         Likewise.
3403
3404 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3405
3406         * arm.cc: Added support for ARM group relocations.
3407         (Target_arm::reloc_needs_sym_origin): New method.
3408         (Arm_relocate_functions::calc_grp_kn): New method.
3409         (Arm_relocate_functions::calc_grp_residual): New method.
3410         (Arm_relocate_functions::calc_grp_gn): New method.
3411         (Arm_relocate_functions::arm_grp_alu): New Method.
3412         (Arm_relocate_functions::arm_grp_ldr): New Method.
3413         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3414         (Arm_relocate_functions::arm_grp_ldc): New Method.
3415         (Target_arm::Scan::local): Handle the ARM group relocations.
3416         (Target_arm::Scan::global): Likewise.
3417         (Target_arm::Relocate::relocate): Likewise.
3418         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3419         Likewise.
3420
3421 2010-01-26  Doug Kwan  <dougkwan@google.com>
3422
3423         * arm.cc (set): Include.
3424         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3425         pointer type.
3426         (Arm_output_section::Text_section_list): New type.
3427         (Arm_output_section::append_text_sections_to_list): New method.
3428         (Arm_output_section::fix_exidx_coverage): Ditto.
3429         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3430         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3431         Relobj::set_section_offset() instead of
3432         Sized_relobj::invalidate_section_offset().
3433         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3434         parameter for section headers. Ignore relocation sections for
3435         unallocated sections and EXIDX sections.
3436         (Target_arm::fix_exidx_coverage): New method.
3437         (Target_arm::output_section_address_less_than): New type.
3438         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3439         linked text section instead of the EXIDX section.
3440         (Arm_output_section::create_stub_group): Add an assertion to check
3441         that this is not an EXIDX output section.
3442         (Arm_output_section::append_text_sections_to_list): New method.
3443         (Arm_output_section::fix_exidx_coverage): Ditto.
3444         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3445         Arm_relobj::section_needs_reloc_stub_scanning.
3446         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3447         first pass.
3448         (Target_arm::fix_exidx_coverage): New method.
3449         * object.h (Relobj::set_output_section): New method.
3450         (Sized_relobj::invalidate_section_offset): Remove method.
3451         (Sized_relobj::do_invalidate_section_offset): Remove method.
3452         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3453
3454 2010-01-25  Doug Kwan  <dougkwan@google.com>
3455
3456         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3457         Fix warning due to signed and unsigned comparison on a 32-bit host.
3458
3459 2010-01-22  Doug Kwan  <dougkwan@google.com>
3460
3461         * arm.cc (Target_arm::do_relax): Record an output section for section
3462         offset adjustment it contains any stub table that has changed.
3463         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3464         offsets in an output section if necessary.
3465         * output.cc (Output_section::Output_section): Initialize
3466         section_offsets_need_adjustments_.
3467         (Output_section::add_input_section_for_script): Renamed to
3468         Output_section::add_simple_input_section.
3469         (Output_section::save_states): Add a comment.
3470         (Output_section::discard_states): New method defintion.
3471         (Output_section::adjust_section_offsets): Same.
3472         * output.h (Output_section::add_input_section_for_script): Renamed to
3473         Output_section::add_simple_input_section.
3474         (Output_section::discard_states): New method declaration.
3475         (Output_section::adjust_section_offsets): Same.
3476         (Output_section::section_offsets_need_adjustment,
3477         Output_section::set_section_offsets_need_adjustment): New method
3478         definitions.
3479         (Output_section::section_offsets_need_adjustment_): New data member.
3480         * script-sections.cc
3481         (Output_section_element_input::set_section_address): Adjust code for
3482         renaming of Output_section::add_input_section_for_script.
3483         (Orphan_output_section::set_section_address): Same.
3484
3485 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3486
3487         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3488         Fix_v4bx enum values .
3489         * gold/options.h (General_options): New option definitions.
3490         (General_options::fix_v4bx): New method.
3491         (General_options::Fix_v4bx): New enum.
3492         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3493         (General_options::parse_fix_v4bx_interworking): New method.
3494
3495 2010-01-22  Doug Kwan  <dougkwan@google.com>
3496
3497         * arm.cc (Arm_exidx_fixup): New class.
3498
3499 2010-01-21  Doug Kwan  <dougkwan@google.com>
3500
3501         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3502         classes.
3503         (Arm_exidx_section_offset_map): New type.
3504
3505 2010-01-21  Doug Kwan  <dougkwan@google.com>
3506
3507         * arm.cc (Arm_exidx_input_section): New class.
3508         (Arm_relobj::exidx_input_section_by_link,
3509         Arm_relobj::exidx_input_section_by_shndx,
3510         Arm_relobj::make_exidx_input_section): New methods.
3511         (read_arm_attributes_section): Remove.
3512         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3513         information about them.
3514         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3515         to here.
3516
3517 2010-01-20  Doug Kwan  <dougkwan@google.com>
3518
3519         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3520         Input_section_specifier to Section_id.
3521         (Target_arm::new_arm_input_section: Adjust code for change of key
3522         type.
3523         (Target_arm::find_arm_input_section): Ditto.
3524         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3525         (Section_id): Remove.
3526         (Garbage_collection::Section_id_hash): Remove.
3527         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3528         (Section_id): Remove.
3529         (Icf::Section_id_hash): Remove.
3530         * object.h (Section_id, Const_section_id, Section_id_hash,
3531         Const_section_id_hash): New type definitions.
3532         * output.cc (Output_section::add_relaxed_input_section): Change to
3533         use Const_section_id instead of Input_section_specifier as key type.
3534         (Output_section::add_merge_input_section): Ditto.
3535         (Output_section::build_relaxation_map): Change to use Section_id
3536         instead of Input_section_specifier as key type.
3537         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3538         Ditto.
3539         (Output_section::convert_input_sections_to_relaxed_sections): Change
3540         to use Const_section_id instead of Input_section_specifier as key type.
3541         (Output_section::find_merge_section): Ditto.
3542         (Output_section::find_relaxed_input_section): Ditto.
3543         * output.h (Input_section_specifier): Remove class.
3544         (Output_section::Output_section_data_by_input_section_map): Change
3545         key type to Const_section_id.
3546         (Output_section::Output_relaxed_input_section_by_input_section_map):
3547         Ditto.
3548         (Output_section::Relaxation_map): Change key type to Section_id.
3549
3550 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3551
3552         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3553         (class Arm_v4bx_stub): New class.
3554         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3555         (Stub_factory::make_arm_v4bx_stub): New method.
3556         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3557         (Stub_table::empty): Handle v4bx stubs.
3558         (Stub_table::add_arm_v4bx_stub): New method.
3559         (Stub_table::find_arm_v4bx_stub): New method.
3560         (Arm_relocate_functions::v4bx): New method.
3561         (Target_arm::fix_v4bx): New method.
3562         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3563         (Stub_table::relocate_stubs): Likewise.
3564         (Stub_table::do_write): Likewise.
3565         (Stub_table::update_data_size_and_addralign): Likewise.
3566         (Stub_table::finalize_stubs):  Likewise.
3567         (Target_arm::Scan::local): Likewise.
3568         (Target_arm::Scan::global): Likewise.
3569         (Target_arm::do_finalize_sections): Likewise.
3570         (Target_arm::Relocate::relocate): Likewise.
3571         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3572         Likewise.
3573         (Target_arm::scan_reloc_for_stub): Likewise.
3574         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3575
3576 2010-01-19  Ian Lance Taylor  <iant@google.com>
3577
3578         * output.cc (Output_section_headers::do_sized_write): Write large
3579         segment count to sh_info field.
3580         (Output_file_header::do_sized_write): For large segment count,
3581         write PN_XNUM to e_phnum field.
3582
3583 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3584
3585         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3586         (Arm_relocate_functions::thm_jump8): New function.
3587         (Arm_relocate_functions::thm_jump11): New function.
3588         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3589         R_ARM_THM_JUMP11.
3590         (Target_arm::Scan::global): Likewise.
3591         (Target_arm::Relocate::relocate): Likewise.
3592         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3593         Likewise.
3594
3595 2010-01-14  Doug Kwan  <dougkwan@google.com>
3596
3597         * arm.cc (map, utility): Include headers.
3598         (Target_arm::apply_cortex_a8_workaround): New method.
3599         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3600         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3601         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3602         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3603         the --[no-]fix-cortex-a8 command line options.
3604         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3605         (Target_arm::relocate_stub): Use addend in instruction template.
3606         * options.h (DEFINE_bool): Set the user-set flag.
3607         (General_options): Add --[no-]-fix-cortex options.
3608         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3609         : Update fast look-up map after conversion.
3610
3611 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3612
3613         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3614         in the first pass of do_layout.
3615
3616 2010-01-13  Doug Kwan  <dougkwan@google.com>
3617
3618         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3619         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3620         apparent compiler problem of not folding static constant integral
3621         data members of elfcpp::Elf_sizes<32>.
3622
3623 2010-01-13  Doug Kwan  <dougkwan@google.com>
3624
3625         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3626         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3627         Arm_relobj::scan_section_for_cortex_a8_erratum,
3628         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3629         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3630         sections to scan for relocation stubs into a new method
3631         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3632         relocation and Cortex-A8 stub scanning.
3633         (Target_arm::do_relax): Force stubs to be after stubbed sections
3634         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3635         the beginning of a new relaxation pass.  Update a comment.
3636         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3637
3638 2010-01-12  Ian Lance Taylor  <iant@google.com>
3639
3640         * target-reloc.h (visibility_error): New inline function.
3641         (relocate_section): Call visibility_error.
3642         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3643         (MOSTLYCLEANFILES): Likewise.
3644         (protected_4_pic.o, protected_3.err): New targets.
3645         * testsuite/protected_4.cc: New file.
3646
3647 2010-01-12  Doug Kwan  <dougkwan@google.com>
3648
3649         * arm.cc (Cortex_a8_reloc): New class.
3650         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3651         and cortex_a8_relocs_info_.
3652         (Target_arm::fix_cortex_a8): New method definition.
3653         (Target_arm::Cortex_a8_relocs_info): New type.
3654         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3655         New data member declarations.
3656         (Target_arm::scan_reloc_for_stub): Record information about
3657         relocations for THUMB branches that might be exempted from the
3658         Cortex-A8 workaround.
3659         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3660         at the beginning of a relaxation pass.
3661
3662 2010-01-12  Doug Kwan  <dougkwan@google.com>
3663
3664         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3665         (Arm_relobj::Mapping_symbol_position,
3666          Arm_reloj::Mapping_symbol_position_less,
3667          Arm_relobj::Mapping_symbols_info): New types.
3668         (Target_arm::is_mapping_symbol_name): New method definition.
3669         (Arm_relobj::do_count_local_symbols): Save information about mapping
3670         symbols.
3671
3672 2010-01-11  Doug Kwan  <dougkwan@google.com>
3673
3674         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3675         Arm_relocate_functions::thumb32_branch_upper,
3676         Arm_relocate_functions::thumb32_branch_lower,
3677         Arm_relocate_functions::thumb32_cond_branch_offset,
3678         Arm_relocate_functions::thumb32_cond_branch_upper,
3679         Arm_relocate_functions::thumb32_cond_branch_lower,
3680         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3681         branch offset encoding.
3682         (Arm_relocate_functions::thumb_branch_common): Use new branch
3683         offset encoding methods to avoid code duplication.
3684         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3685         (Stub_addend_reader::operator()): Use new branch encoding method
3686         to avoid code duplication.
3687
3688 2010-01-11  Doug Kwan  <dougkwan@google.com>
3689
3690         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3691         (Target_arm::do_finalize_sections): Define special EXIDX section
3692         symbols only if referenced.
3693         * gc.h (Garbage_collection::add_reference): New method.
3694         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3695         code duplication.
3696
3697 2010-01-11  Ian Lance Taylor  <iant@google.com>
3698
3699         * script.cc (Version_script_info::build_expression_list_lookup):
3700         Change complaing about duplicate wildcard match from error to
3701         warning.
3702
3703         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3704         of 2009-12-30.
3705         (Version_script_info::Version_script_info): Initialize globs_,
3706         default_version_, default_is_global_, and exact_.  Don't
3707         initialize globals_ or locals_.
3708         (Version_script_info::build_lookup_tables): Build local symbols
3709         first.
3710         (Version_script_info::unquote): New function.
3711         (Version_script_info::add_exact_match): New function.
3712         (Version_script_info::build_expression_list_lookup): Remove lookup
3713         parameter.  Add is_global parameter.  Change all callers.  Handle
3714         wildcard pattern specially.  Unquote pattern.  Call
3715         add_exact_match.
3716         (Version_script_info::get_name_to_match): New function.
3717         (Version_script_info::get_symbol_version): New function.
3718         (Version_script_info::get_symbol_version_helper): Remove.
3719         (Version_script_info::check_unmatched_names): Call unquote.
3720         * script.h (class Version_script_info): Change get_symbol_version
3721         to be non-inline and add is_global parameter; change all callers.
3722         Rewrite symbol_is_local.  Update declarations.  Define struct
3723         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3724         Remove globals_ and locals_ members.  Add exact_, globs_,
3725         default_version_, is_global_.
3726         (Version_script_info::Glob): Remove pattern, add expression and
3727         is_global.  Update constructor.  Change all callers.
3728         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3729         default version.
3730         (Versions::symbol_section_contents): If a symbol is undefined, or
3731         defined in a dynamic object, set the version index to
3732         VER_NDX_LOCAL.
3733         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3734         symbol_is_local.
3735         (Symbol_table::add_from_pluginobj): Likewise.
3736         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3737
3738 2010-01-11  Doug Kwan  <dougkwan@google.com>
3739
3740         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3741         (incremental_dump_LDADD): Add linking option for libintl.
3742         * Makefile.in: Regenerate.
3743
3744 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3745
3746         PR gold/11144
3747         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3748         instead of -Ds.
3749         * testsuite/Makefile.in: Regenerated.
3750
3751 2010-01-10  Doug Kwan  <dougkwan@google.com>
3752
3753         * options.h (DEFINE_var): Use parentheses around argument varname__
3754         in macro body to avoid any unintended subsequent substitutions.
3755
3756 2010-01-10  Ian Lance Taylor  <iant@google.com>
3757
3758         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3759         candidates before doing symbol resolution.
3760
3761         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3762         ODR candidates if only one is weak.
3763
3764 2010-01-08  Ian Lance Taylor  <iant@google.com>
3765
3766         * script.cc (Version_script_info::build_expression_list_lookup):
3767         Don't warn about ambiguous version, just record the ambiguity.
3768         (Version_script_info::get_symbol_version_helper): Give error if
3769         version is ambiguous.
3770
3771 2010-01-08  Doug Kwan  <dougkwan@google.com>
3772
3773         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3774           prev_data_size_ and prev_addralign_.  Remove initializer for
3775           deleted data member has_been_changed_.
3776           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3777           to determine if the table is empty.
3778           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3779           Remove.
3780           (Stub_table::add_reloc_stub): Define method in class definition
3781           instead of just declaring it there.
3782           (Stub_table::add_cortex_a8_stub): New method definition.
3783           (Stub_table::update_data_size_and_addralign): Ditto.
3784           (Stub_table::finalize_stubs): Ditto.
3785           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3786           (Stub_table::do_addralign_): Return address alignment in the
3787           (Stub_table::do_reset_address_and_file_offset): Define method in
3788           class definition instead of declaring it there.  Set current data
3789           size to be the data size of the previous pass.
3790           (Stub_table::set_final_data_size): Use current data size as the
3791           final data size.
3792           (Stub_table::relocate_stub): Change parameter type of stub from
3793           Reloc_stub pointer to Stub pointer.
3794           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3795           (Stub_table::Cortex_a8_stub_list): New typedef.
3796           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3797            Stub_table::prev_addralign_): New data member.
3798           (Arm_relobj::Arm_relobj): Initialize data member
3799           section_has_cortex_a8_workaround_.
3800           (Arm_relobj::section_has_cortex_a8_workaround,
3801            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3802            definitions.
3803           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3804           declarations.
3805           (Target_arm::relocate_stub): Change parameter type of stub from
3806           Reloc_stub pointer to Stub pointer.
3807           (Insn_template::size, Insn_template::alignment): Handle
3808           THUMB16_SPECIAL_TYPE.
3809           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3810            Stub_table::update_data_size_and_addralign,
3811            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3812           definitions.
3813           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3814           (Stub_table::do_write): Ditto.
3815           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3816
3817 2010-01-08  Ian Lance Taylor  <iant@google.com>
3818
3819         PR 11108
3820         * symtab.h (class Symbol): Remove fields is_target_special_ and
3821         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3822         (Symbol::is_defined_in_discarded_section): New function.
3823         (Symbol::set_is_defined_in_discarded_section): New function.
3824         (Symbol::has_plt_offset): Rewrite.
3825         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3826         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3827         Don't initialize is_target_special_ or has_plt_offset_.
3828         Initialize is_defined_in_discarded_section_.
3829         (Symbol_table::add_from_relobj): If appropriate, set
3830         is_defined_in_discarded_section.
3831         * resolve.cc (Symbol::override_base_with_special): Don't test
3832         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3833         * target-reloc.h (relocate_section): Do special handling for
3834         symbols defined in discarded sections for global symbols as well
3835         as local symbols.
3836
3837 2010-01-08  Ian Lance Taylor  <iant@google.com>
3838
3839         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3840         the SHT_SYMTAB case.
3841
3842 2010-01-08  Ian Lance Taylor  <iant@google.com>
3843
3844         * object.cc (Sized_relobj::do_layout): Don't get confused if
3845         layout_eh_frame returns NULL.
3846
3847 2010-01-08  Ian Lance Taylor  <iant@google.com>
3848
3849         PR 11084
3850         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3851         dynamic symbol table, use the normal symbol table.
3852         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3853         symbol table.
3854
3855 2010-01-08  Ian Lance Taylor  <iant@google.com>
3856
3857         PR 11072
3858         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3859         sections.
3860
3861 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3862
3863         * version.cc (print_version): Change to "Copyright 2010".
3864
3865 2010-01-08  Ian Lance Taylor  <iant@google.com>
3866
3867         PR 10287
3868         PR 11063
3869         * i386.cc (class Target_i386): Change return type of plt_section
3870         to be non-const.
3871         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3872         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3873         tls_desc_rel_ field.
3874         (Output_data_plt_i386::rel_tls_desc): New function.
3875         (Target_i386::rel_tls_desc_section): New function.
3876         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3877         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3878         R_386_TLS_DESC reloc in rel_tls_desc_section.
3879         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3880         Define struct Tlsdesc_info.
3881         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3882         (Target_x86_64::do_reloc_symbol_index): New function.
3883         (Target_x86_64::add_tlsdesc_info): New function.
3884         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3885         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3886         tlsdesc_rel_ field.
3887         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3888         all callers.
3889         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3890         (Target_x86_64::rela_tlsdesc_section): New function.
3891         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3892         handling.
3893         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3894         (Target_x86_64::do_reloc_addend): New function.
3895         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3896         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3897         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3898         (Output_reloc::type): New function.
3899         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3900         (Output_reloc::is_target_specific): New function.
3901         (Output_reloc::target_arg): New function.
3902         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3903         absolute relocs and target specific relocs.
3904         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3905         add_target_specific.
3906         (class Output_data_reloc) [SHT_RELA]: Likewise.
3907         * output.cc (Output_reloc::Output_reloc): Add four new versions
3908         for absolute relocs and target specific relocs.
3909         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3910         (Output_reloc::get_symbol_index): Likewise.
3911         (Output_reloc::local_section_offset): Check that local_sym_index_
3912         is not TARGET_CODE or 0.
3913         (Output_reloc::symbol_value): Likewise.
3914         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3915         reloc.
3916         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3917         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3918         functions.
3919         * layout.cc (add_target_dynamic_tags): Use output section for
3920         DT_PLTRELSZ and DT_JMPREL.
3921
3922 2010-01-07  Ian Lance Taylor  <iant@google.com>
3923
3924         PR 11061
3925         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3926         function.
3927         (class Output_data_reloc_generic): Define.
3928         (class Output_data_reloc_base): Change base class to
3929         Output_data_reloc_generic.  Change add() method to call
3930         bump_relative_reloc_count for a relative reloc.  Remove
3931         sort_relocs_ field.
3932         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3933         to sort_relocs().
3934         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3935         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3936         appropriate.
3937         * layout.h (class Layout): Update declaration.
3938
3939 2010-01-07  Ian Lance Taylor  <iant@google.com>
3940
3941         * output.h (class Output_data): Add const version of
3942         output_section and do_output_section.
3943         (class Output_section_data): Add const version of
3944         do_output_section.
3945         (class Output_section): Likewise.
3946         * layout.cc (Layout::add_target_dynamic_tags): New function.
3947         * layout.h (class Layout): Update declarations.
3948         * arm.cc (Target_arm::do_finalize_sections): Use
3949         add_target_dynamic_tags.
3950         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3951         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3952         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3953         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3954
3955 2010-01-07  Ian Lance Taylor  <iant@google.com>
3956
3957         PR 11042
3958         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3959         object as needed.
3960
3961 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3962             Ian Lance Taylor  <iant@google.com>
3963
3964         PR 11019
3965         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3966         Xindex::read_symtab_xindex.
3967
3968 2010-01-07  Doug Kwan  <dougkwan@google.com>
3969
3970         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3971         (Insn_template::thumb16_bcond_insn): New method declaration.
3972         (Insn_template): Fix spelling.
3973         (Stub::thumb16_special): New method declaration.
3974         (Stub::do_write): Define virtual method which was previously pure
3975         virtual.
3976         (Stub::do_thumb16_special): New method declaration.
3977         (Stub::do_fixed_endian_write): New template member.
3978         (Reloc_stub::do_write): Remove.
3979         (Reloc_stub::do_fixed_endian_write): Remove.
3980         (Cortex_a8_stub): New class definition.
3981         (Stub_factory::make_cortex_a8_stub): New method definition.
3982         (Stub_factory::Stub_factory): Add missing static storage class
3983         qualifier for elf32_arm_stub_a8_veneer_blx.
3984
3985 2010-01-07  Ian Lance Taylor  <iant@google.com>
3986
3987         PR 10980
3988         * options.h (class General_options): Add --warn-unresolved-symbols
3989         and --error-unresolved-symbols.
3990         * errors.cc (Errors::undefined_symbol): Implement
3991         --warn-unresolved-symbols.
3992
3993         * options.h (class General_options): Add -z text and -z textoff.
3994         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3995
3996 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3997
3998         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3999         (Garbage_collection::cident_sections): New function.
4000         (Garbage_collection::add_cident_section): New function.
4001         (Garbage_collection::cident_sections_): New member.
4002         (gc_process_relocs): Add references to sections whose names are C
4003         identifiers.
4004         * gold.h (cident_section_start_prefix): New constant.
4005         (cident_section_stop_prefix): New constant.
4006         (is_cident): New function.
4007         * layout.cc (Layout::define_section_symbols): Replace string constants
4008         with the newly defined constants.
4009         * object.cc (Sized_relobj::do_layout): Track sections whose names are
4010         C identifiers.
4011         * testsuite/Makefile.am: Add gc_orphan_section_test.
4012         * testsuite/Makefile.in: Regenerate.
4013         * testsuite/gc_orphan_section_test.cc: New file.
4014         * testsuite/gc_orphan_section_test.sh: New file.
4015
4016 2010-01-06  Ian Lance Taylor  <iant@google.com>
4017
4018         PR 10980
4019         * options.h (class General_options): Add --warn-shared-textrel.
4020         * layout.cc (Layout::finish_dynamic_section): Implement
4021         --warn-shared-textrel.
4022
4023         PR 10980
4024         * options.h (class General_options): Add --warn-multiple-gp.
4025
4026 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4027
4028         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
4029         $(THREADSLIB) and $(LIBDL).
4030         * Makefile.in: Rebuild.
4031
4032 2010-01-06  Ian Lance Taylor  <iant@google.com>
4033
4034         PR 10980
4035         * options.cc (General_options::parse_section_start): New function.
4036         (General_options::section_start): New function.
4037         (General_options::General_options): Initialize all members.
4038         * options.h: Include <map>
4039         (class General_options): Add --section-start.  Add section_starts_
4040         member.
4041         * layout.cc (Layout::attach_allocated_section_to_segment): If
4042         --section-start was used, set the address of the segment.  Remove
4043         local sort_sections.
4044         (Layout::relaxation_loop_body): If the address of the load segment
4045         has been set by --section-start, don't use it.
4046         * output.h (Output_segment::update_flags_for_output_section): New
4047         function.
4048         * output.cc (Output_segment::add_output_section): Call
4049         update_flags_for_output_section.
4050
4051 2010-01-05  Ian Lance Taylor  <iant@google.com>
4052
4053         PR 10980
4054         * options.h (class General_options): Add --undefined-version.
4055         * script.cc (struct Version_expression): Add was_matched_by_symbol
4056         field.
4057         (Version_script_info::matched_symbol): New function.
4058         (Version_script_info::get_symbol_version_helper): Call
4059         matched_symbol.
4060         (Version_script_info::check_unmatched_names): New function.
4061         * script.h (class Version_script_info): Update declarations.
4062         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
4063
4064         * options.h (class General_options): Use DEFINE_bool_alias for
4065         allow_multiple_definition.
4066         * resolve.cc (Symbol_table::should_override): Don't test
4067         allow_multiple_definition.
4068
4069         PR 10980
4070         * options.h (class General_options): Add --cref.
4071         * main.cc (main): Print cref table if --cref.  Don't close mapfile
4072         until after printing cref table.
4073         * cref.cc: Include "symtab.h".
4074         (class Cref_inputs): Define Cref_table_compare and Cref_table.
4075         (Cref_table_compare::operator()): New function.
4076         (Cref_inputs::gather_cref): New function.
4077         (filecol): New static const.
4078         (Cref_inputs::print_cref): New function.
4079         (Cref::print_cref): New function.
4080         * cref.h: Include <cstdio>.
4081         (class Cref): Update declarations.
4082         * mapfile.h (Mapfile::file): New function.
4083         * object.h (class Object): Define Symbols.  Declare virtual
4084         do_get_global_symbols.
4085         (Object::get_global_symbols): New function.
4086         * object.cc (Input_objects::add_object): Pass object to cref_ if
4087         --cref.
4088         (Input_objects::archive_start): Likewise.
4089         (Input_objects::archive_stop): Likewise.
4090         (Input_objects::print_cref): New function.
4091         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
4092         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
4093         --cref.
4094         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
4095         function.
4096         * plugin.h (class Sized_pluginobj): Update declarations.
4097
4098 2010-01-05  Ian Lance Taylor  <iant@google.com>
4099
4100         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
4101         to is_default_version.  Rename insdef to insdefault.
4102         (Symbol_table::add_from_relobj): Rename def to is_default_version
4103         and local to is_forced_local.
4104         (Symbol_table::add_from_pluginobj): Likewise.
4105         (Symbol_table::add_from_dynobj): Likewise.
4106         (Symbol_table::define_special_symbol): Rename insdef to
4107         insdefault.
4108
4109 2010-01-04  Ian Lance Taylor  <iant@google.com>
4110
4111         PR 10980
4112         * options.h (class General_options): Add
4113         --allow-multiple-definition and -z muldefs.
4114         * resolve.cc (Symbol_table::should_override): Don't warn about a
4115         multiple symbol definition if --allow-multiple-definition or -z
4116         muldefs.
4117
4118         PR 10980
4119         * options.h (class General_options): Add --add-needed and
4120         --copy-dt-needed-entries.  Tweak --as-needed help entry.
4121         * object.cc (Input_objects::check_dynamic_dependencies): Give an
4122         error if --copy-dt-needed-entries aka --add-needed is used and
4123         would cause a change in behaviour.
4124
4125         PR 10980
4126         * options.h (class General_options): Add -G as a short version of
4127         --shared.  Add no-op options -assert, -g, and -i.
4128
4129 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
4130
4131         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
4132         check for .text or .gnu.linkonce.t sections.
4133         * icf.cc (Icf::find_identical_sections): Ditto.
4134         Change the detection for mangled function name within the section
4135         name.
4136         * icf.h (is_section_foldable_candidate): New function.
4137
4138 2009-12-30  Ian Lance Taylor  <iant@google.com>
4139
4140         PR 10980
4141         * options.h (class General_options): Permit two dashes with
4142         --retain-symbols-file.
4143
4144 2009-12-30  Ian Lance Taylor  <iant@google.com>
4145
4146         PR 10979
4147         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
4148         don't put the file header and segment headers in the text
4149         segment.
4150
4151         PR 10979
4152         * common.cc (Sort_commons::operator()): Stabilize sort when both
4153         entries are NULL.
4154         (Symbol_table::do_allocate_commons_list): When allocating common
4155         symbols, skip a symbol which is no longer common.
4156         * symtab.h (Symbol::is_common): Test whether the symbol comes from
4157         an object before checking its type.
4158         * testsuite/common_test_2.c: New file.
4159         * testsuite/common_test_3.c: New file.
4160         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
4161         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
4162         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
4163         (common_test_2_pic.o, common_test_2.so): New targets.
4164         (common_test_3_pic.o, common_test_3.so): New targets.
4165         * testsuite/Makefile.in: Rebuild.
4166
4167         PR 10979
4168         * script.cc (read_input_script): If we see a new SECTIONS clause,
4169         and we have added an input section, give an error.
4170         * layout.h (class Layout): Add have_added_input_section function.
4171         Add have_added_input_section_ field.
4172         * layout.cc (Layout::Layout): Initialize
4173         have_added_input_section_.
4174         (Layout::layout): Set have_added_input_section_.
4175         (Layout::layout_eh_frame): Likewise.
4176
4177 2009-12-30  Ian Lance Taylor  <iant@google.com>
4178
4179         PR 10931
4180         * options.h (class General_options): Add --sort-common option.
4181         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
4182         * common.cc (Sort_common): Add sort_order parameter to
4183         constructor.  Add sort_order_ field.
4184         (Sort_commons::operator): Check sort_order_.
4185         (Symbol_table::allocate_commons): Determine the sort order.
4186         (Symbol_table::do_allocate_commons): Add sort_order parameter.
4187         Change all callers.
4188         (Symbol_table::do_allocate_commons_list): Likewise.
4189
4190 2009-12-30  Ian Lance Taylor  <iant@google.com>
4191
4192         PR 10916
4193         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
4194         symbols from this object, don't change the visibility of an
4195         undefined symbol.
4196         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
4197
4198 2009-12-30  Ian Lance Taylor  <iant@google.com>
4199
4200         PR 10861
4201         * script.h (class Version_script_info): Define Language enum.
4202         Update declarations.  Define Glob, Exact, and Lookup types.  Add
4203         new fields globals_, locals_, and is_finalized_.
4204         * script.cc: Various formatting fixes.
4205         (class Parser_closure): Change language_stack_ from a vector of
4206         std::string to one of Version_script_info::Language.  Adjust all
4207         uses accordingly.
4208         (class Lazy_demangler): Remove.
4209         (struct Version_expression): Change language from std::string to
4210         Version_script_info::Language.
4211         (Version_script_info::Version_script_info): New function.
4212         (Version_script_info::~Version_script_info): Don't call clear.
4213         (Version_script_info::finalize): New function.
4214         (Version_script_info::build_lookup_tables): New function.
4215         (Version_script_info::build_expression_list_lookup): New
4216         function.
4217         (Version_script_info::get_symbol_version_helper): Rewrite to use
4218         lookup tables.
4219         (Version_script_info::print_expression_list): Adjust to use
4220         Version_script_info::Language.
4221         (script_push_lex_into_version_mode): Check that the version script
4222         has not been finalized.
4223         (version_script_push_lang): Change language string to
4224         Version_script_info::Language.
4225         * options.cc (Command_line::version_script): New function.
4226         * options.h (class General_options): Add finalize_dynamic_list
4227         function.  Change version_script from declaration to definition.
4228         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
4229         * testsuite/version_script.map: Remove duplicate def of foo.
4230         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
4231         version_script.map.
4232         * testsuite/Makefile.in: Rebuild.
4233
4234 2009-12-30  Ian Lance Taylor  <iant@google.com>
4235
4236         PR 10843
4237         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
4238         if the input symbol index is 0, make the output symbol index 0.
4239
4240 2009-12-30  Ian Lance Taylor  <iant@google.com>
4241
4242         PR 10670
4243         * options.h (class General_options): Add -x/--discard-all.
4244         * object.cc (Sized_relobj::do_count_local_symbols): Handle
4245         --discard-all.  If the local symbol needs a dynamic entry, check
4246         that before handling --discard-locals.
4247
4248 2009-12-30  Ian Lance Taylor  <iant@google.com>
4249
4250         PR 10450
4251         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
4252         flags to PF_R.
4253         (Output_segment::add_output_section): Don't change the flags if
4254         the type is PT_TLS.
4255
4256         PR 10450
4257         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
4258         GNU hash table if they need a dynamic value.  Otherwise, don't add
4259         them if they are defined in a dynamic object or are forced local.
4260
4261 2009-12-29  Ian Lance Taylor  <iant@google.com>
4262
4263         PR 10450
4264         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4265         .gnu.hash table for a 32-bit target.
4266
4267         PR 10450
4268         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4269         regular and a dynamic object only needs a dynamic symbol table
4270         entry if it is externally visible.
4271
4272         PR 10450
4273         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4274         constructor.  Add global_offset_table_ field.
4275         (Target_i386::got_section): Set global_offset_table_.
4276         (Target_i386::do_finalize_sections): Set global_offset_table_
4277         size.
4278         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4279         in constructor.  Add global_offset_table_ field.
4280         (Target_x86_64::got_section): Set global_offset_table_.
4281         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4282         size.
4283
4284         * layout.cc (Layout::Layout): Initialize increase_relro_.
4285         (Layout::get_output_section): Add is_relro, is_last_relro, and
4286         is_first_non_relro parameters.  Change all callers.
4287         (Layout::choose_output_section): Likewise.
4288         (Layout::add_output_section_data): Likewise.
4289         (Layout::make_output_section): Likewise.
4290         (Layout::set_segment_offsets): Clear increase_relro when using a
4291         linker script.
4292         * layout.h (class Layout): Add increase_relro method.  Add
4293         increase_relro_ field.  Update declarations.
4294         * output.cc (Output_section::Output_section): Initialize
4295         is_last_relro_ and is_first_non_relro_.
4296         (Output_segment::add_output_section): Group relro sections is
4297         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4298         (Output_segment::maximum_alignment): Remove relro handling.
4299         (Output_segment::set_section_addresses): Add increase_relro
4300         parameter.  Change all callers.  Add initial alignment to align
4301         relro sections on separate page.  Remove old relro handling.
4302         (Output_segment::set_section_list_addresses): Remove in_relro
4303         parameter.  Change all callers.
4304         (Output_segment::set_offset): Add increase parameter.  Change all
4305         callers.  Remove old relro handling.
4306         * output.h (class Output_section): Add new methods: is_last_relro,
4307         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4308         Add is_last_relro_ and is_first_non_relro_ fields.
4309         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4310         Create separate .got.plt section.  Call increase_relro.
4311         * x86_64.cc (Target_x86_64::got_section): Likewise.
4312         * testsuite/relro_script_test.t: Add .got.plt.
4313
4314         PR 10450
4315         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4316         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4317         (Layout::finalize): Call set_dynamic_symbol_size.
4318         (Layout::set_dynamic_symbol_size): New function.
4319         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4320         set_dynamic_symbol_size.
4321
4322         PR 10450
4323         * output.h (class Output_section): Add is_entsize_zero_ field.
4324         * output.cc (Output_section::Output_section): Initialize
4325         is_entsize_zero_.
4326         (Output_section::set_entsize): If two different entsizes are
4327         requested, force it to zero.
4328         (Output_section::add_input_section): Set flags for .debug_str
4329         before updating section flags.  Set entsize.
4330         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4331         and SHF_STRING if all input sections have those flags.
4332
4333 2009-12-29   Rafael Espindola  <espindola@google.com>
4334
4335         * main.cc (main): Fix the sys time reporting.
4336         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4337         reporting.
4338
4339 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4340
4341         * options.cc (General_options::parse_version): Allow -v to exit
4342         without an error if there is nothing to link.
4343
4344 2009-12-29  Ian Lance Taylor  <iant@google.com>
4345
4346         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4347         using a version of gcc before 4.1.
4348         * configure: Rebuild.
4349
4350 2009-12-28  Chris Demetriou  <cgd@google.com>
4351
4352         * attributes.cc (Output_attributes_section_data::do_write): Use
4353         std::vector::front rather than std::vector::data.
4354
4355 2009-12-28  Ian Lance Taylor  <iant@google.com>
4356
4357         * symtab.h (class Symbol_table): Add enum Defined.
4358         * resolve.cc (Symbol_table::should_override): Add defined
4359         parameter.  Change all callers.  Test whether object is NULL
4360         before calling a method on it.
4361         (Symbol_table::report_resolve_problem): Add defined parameter.
4362         Change all callers.
4363         (Symbol_table::should_override_with_special): Likewise.
4364         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4365         parameter.  Change all callers.
4366         (Symbol_table::do_define_in_output_data): Likewise.
4367         (Symbol_table::define_in_output_segment): Likewise.
4368         (Symbol_table::do_define_in_output_segment): Likewise.
4369         (Symbol_table::define_as_constant): Likewise.
4370         (Symbol_table::do_define_as_constant): Likewise.
4371         * script.h (class Symbol_assignment): Add is_defsym parameter to
4372         constructor; change all callers.
4373         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4374         parameter.  Change all callers.  Add is_defsym_ field.
4375         (class Parser_closure): Add parsing_defsym parameter to
4376         constructor; change all callers.  Add parsing_defsym accessor
4377         function.  Add parsing_defsym_ field.
4378
4379 2009-12-28  Ian Lance Taylor  <iant@google.com>
4380
4381         * gold.cc (queue_middle_tasks): Fix formatting.
4382         * object.cc (Relobj::is_section_name_included): Likewise.
4383
4384 2009-12-23  Ian Lance Taylor  <iant@google.com>
4385
4386         * i386.cc (Target_i386::do_calls_non_split): Recognize
4387         -fsplit-stack prologue for a function with a static chain.
4388         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4389         -fsplit-stack prologue when using %r11.
4390
4391 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4392
4393         * options.cc (General_options::parse_version): Make -v continue and do
4394         the link like GNU ld does.
4395
4396 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4397
4398         * Makefile.am (CCFILES): Add timer.cc.
4399         (HFILES): Add timer.h.
4400         * configure.ac: Check for sysconf and times.
4401         * main.cc: include timer.h.
4402         (main): Use Timer instead of get_run_time.
4403         * timer.cc: New.
4404         * timer.h: New.
4405         * workqueue.cc: include timer.h.
4406         (Workqueue::find_and_run_task):
4407         Report user, sys and wall time.
4408         * Makefile.in: Regenerate.
4409         * config.in: Regenerate.
4410         * configure: Regenerate.
4411
4412 2009-12-16  Doug Kwan  <dougkwan@google.com>
4413
4414         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4415         sections.
4416         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4417         relaxed input sections.
4418         * output.cc (Output_section::find_relaxed_input_section): Change
4419         return type to Output_relaxed_input_section pointer.  Adjust code
4420         for new type of relaxed_input_section_map_.
4421         * output.h (Output_section::find_relaxed_input_section): Change
4422         return type to Output_relaxed_input_section pointer.
4423         (Output_section::Output_relaxed_input_section_by_input_section_map):
4424         New type.
4425         (Output_section::relaxed_input_section_map_): Change type to
4426         Output_section::Output_relaxed_input_section_by_input_section_map.
4427         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4428         input section.
4429
4430 2009-12-15  Ian Lance Taylor  <iant@google.com>
4431
4432         * layout.cc (Layout::create_shstrtab): Only write out after input
4433         sections if we are compressing debug sections.
4434
4435 2009-12-15  Ian Lance Taylor  <iant@google.com>
4436
4437         * archive.cc (Archive::add_symbols): Only look up a symbol without
4438         a version if there is, in fact, a version.
4439
4440 2009-12-14  Ian Lance Taylor  <iant@google.com>
4441
4442         Revert -Wshadow changes, all changes from:
4443         2009-12-11  Doug Kwan  <dougkwan@google.com>
4444         2009-12-11  Nick Clifton  <nickc@redhat.com>
4445         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4446
4447 2009-12-11  Doug Kwan  <dougkwan@google.com>
4448
4449         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4450         due to -Wshadow.
4451         * attributes.cc (Object_attribute::size): Ditto.
4452         (Attributes_section_data::size): Ditto.
4453         (Attributes_section_data::Attributes_section_data): Ditto.
4454         (Output_attributes_section_data::do_write): Ditto.
4455         * attributes.h (Object_attribute::set_type): Ditto.
4456         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4457
4458 2009-12-11  Nick Clifton  <nickc@redhat.com>
4459
4460         * archive.cc: Fix shadowed variable warnings.
4461         * arm.cc: Likewise.
4462         * compressed_output.cc: Likewise.
4463         * compressed_output.h: Likewise.
4464         * configure: Likewise.
4465         * dwarf_reader.cc: Likewise.
4466         * dynobj.cc: Likewise.
4467         * dynobj.h: Likewise.
4468         * ehframe.cc: Likewise.
4469         * ehframe.h: Likewise.
4470         * errors.cc: Likewise.
4471         * expression.cc: Likewise.
4472         * fileread.cc: Likewise.
4473         * fileread.h: Likewise.
4474         * freebsd.h: Likewise.
4475         * i386.cc: Likewise.
4476         * icf.cc: Likewise.
4477         * incremental.h: Likewise.
4478         * layout.cc: Likewise.
4479         * layout.h: Likewise.
4480         * mapfile.cc: Likewise.
4481         * merge.cc: Likewise.
4482         * merge.h: Likewise.
4483         * object.cc: Likewise.
4484         * object.h: Likewise.
4485         * options.h: Likewise.
4486         * output.cc: Likewise.
4487         * output.h: Likewise.
4488         * parameters.cc: Likewise.
4489         * plugin.cc: Likewise.
4490         * powerpc.cc: Likewise.
4491         * reduced_debug_output.cc: Likewise.
4492         * reduced_debug_output.h: Likewise.
4493         * reloc.cc: Likewise.
4494         * reloc.h: Likewise.
4495         * resolve.cc: Likewise.
4496         * script-sections.cc: Likewise.
4497         * script.cc: Likewise.
4498         * script.h: Likewise.
4499         * sparc.cc: Likewise.
4500         * symtab.cc: Likewise.
4501         * symtab.h: Likewise.
4502         * target-select.cc: Likewise.
4503         * target-select.h: Likewise.
4504         * token.h: Likewise.
4505         * workqueue.cc: Likewise.
4506         * workqueue.h: Likewise.
4507         * x86_64.cc: Likewise.
4508
4509 2009-12-10  Doug Kwan  <dougkwan@google.com>
4510
4511         * arm.cc (attributes.h): New include.
4512         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4513         (Arm_relobj::~Arm_relobj): Delete object pointed by
4514         attributes_section_data_.
4515         (Arm_relobj::attributes_section_data): New method definition.
4516         (Arm_relobj::attributes_section_data_): New data member declaration.
4517         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4518         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4519         attributes_section_data_.
4520         (Arm_dynobj::attributes_section_data): New method definition.
4521         (Arm_dynobj::attributes_section_data_): New data member declaration.
4522         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4523         initialization value of may_use_blx_ to false.
4524         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4525         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4526         object attributes to compute results instead of hard-coding.
4527         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4528         Target_arm::get_secondary_compatible_arch,
4529         Target_arm::set_secondary_compatible_arch
4530         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4531         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4532         New method declarations.
4533         (Target_arm::get_aeabi_object_attribute): New method definition.
4534         (Target_arm::attributes_section_data_): New data member declaration.
4535         (read_arm_attributes_section): New template definition.
4536         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4537         (Arm_dynobj::do_read_symbols): Ditto.
4538         (Target_arm::do_finalize_sections): Merge attributes sections from
4539         input.  Check for BLX use after attributes section merging.
4540         Fix __exidx_start and __exidx_end visibility.  Create an
4541         .ARM.attributes section if necessary.
4542         (Target_arm::get_secondary_compatible_arch,
4543         Target_arm::set_secondary_compatible_arch,
4544         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4545         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4546         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4547         New method definitions.
4548
4549 2009-12-09  Ian Lance Taylor  <iant@google.com>
4550
4551         * plugin.cc (Plugin::load): Don't cast from void* to a function
4552         pointer.
4553
4554 2009-12-09  Ian Lance Taylor  <iant@google.com>
4555
4556         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4557         information fields.
4558
4559 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4560
4561         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4562         Replace two_file_shared_1.so with two_file_shared_2.so.
4563         * testsuite/Makefile.in: Regenerated.
4564
4565 2009-12-08  Doug Kwan  <dougkwan@google.com>
4566
4567         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4568         (HFILES): Add attributes.h and int_encoding.h.
4569         * Makefile.in: Regenerate.
4570         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4571         function definitions to int_encoding.cc
4572         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4573         prototypes to int_encoding.h
4574         * reduced_debug_output.cc (int_encoding.h): New include.
4575         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4576         function definitions to int_encoding.cc
4577         (insert_into_vector, read_from_pointer): Move template definitions to
4578         int_encoding.h
4579         * attributes.cc: New file.
4580         * attributes.h: New file.
4581         * int_encoding.cc: New file.
4582         * int_encoding.h: New file.
4583
4584 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4585
4586         PR gold/11055
4587         * incremental-dump.cc (dump_incremental_inputs): New.
4588         (main): Use dump_incremental_inputs.
4589
4590 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4591
4592         PR gold/10893
4593         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4594         checking elfcpp::STT_FUNC.
4595         (Target_i386::Relocate::relocate): Likewise.
4596         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4597
4598         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4599         symbols from shared libraries into normal FUNC symbols.
4600
4601         * symtab.h (Symbol): Add is_func and use it.
4602
4603 2009-12-05  Doug Kwan  <dougkwan@google.com>
4604
4605         * arm.cc (Target_arm::arm_info): Initialize new fields
4606         attributes_section and attributes_vendor.
4607         * i386.cc (Target_i386::i386_info): Same.
4608         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4609         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4610         fields attributes_section and attributes_vendor.
4611         * sparc.cc (Target_sparc::sparc_info): Same.
4612         * target.h (Target::attributes_section, Target::attributes_vendor,
4613         Target::is_attributes_section, Target::attribute_arg_type,
4614         Target::attributes_order): New method definitions.
4615         (Target::Target_info::attributes_section,
4616         Target::Target_info::attributes_vendor): New fields.
4617         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4618         virtual method definitions.
4619         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4620         attributes_section and attributes_vendor.
4621         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4622
4623 2009-12-05  Doug Kwan  <dougkwan@google.com>
4624
4625         * arm.cc: Update comments about interworking and stub generation.
4626         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4627         considered as non-PIC.
4628         (Arm_relocate_functions::base_abs): Fix formatting.
4629         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4630         of function to use GOT entry address instead of offset.
4631         (Target_arm::Scan::global): Issue an error if a symbol would need a
4632         PLT does not get one because it is untyped.  Remove code to create
4633         dynamic symbols for relative branches.
4634         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4635         takes unsigned integer instead of boolean.
4636
4637 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4638
4639         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4640         (two_file_test_LDADD): Likewise.
4641         (common_test_1_LDADD): Likewise.
4642         (exception_test_LDADD) Likewise.
4643         (weak_test_LDADD): Likewise.
4644         (many_sections_test_LDADD): Likewise.
4645         (initpri1_LDADD): Likewise.
4646         (script_test_1_LDADD): Likewise.
4647         (script_test_2_LDADD): Likewise.
4648         (justsyms_LDADD): Likewise.
4649         (binary_test_LDADD): Likewise.
4650         (large_LDADD): Likewise.
4651         * testsuite/Makefile.in: Regenerated.
4652
4653 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4654
4655         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4656         (Symbol_table::override_with_special): Likewise.
4657         (Symbol_table::add_from_object): Likewise.
4658
4659 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4660
4661         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4662         Don't set the data_offset twice.
4663
4664 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4665
4666         * testsuite/Makefile.in: Regenerate.
4667
4668 2009-12-03  Doug Kwan  <dougkwan@google.com>
4669
4670         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4671         (Target_arm::do_finalize_sections): Add parameter for symbol table
4672         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4673         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4674         parameter for symbol table pointer.
4675         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4676         an additional parameter for a pointer to symbol table.
4677         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4678         parameter for a symbol table pointer.
4679         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4680         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4681         Ditto.
4682         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4683         parameter for a symbol table pointer.
4684
4685 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4686
4687         * incremental.cc (Incremental_inputs_header)
4688         (Incremental_inputs_header_write, Incremental_inputs_entry)
4689         (Incremental_inputs_entry_write): Move ...
4690         * incremental.h (Incremental_inputs_header)
4691         (Incremental_inputs_header_write, Incremental_inputs_entry)
4692         (Incremental_inputs_entry_write): here.
4693
4694 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4695
4696         * incremental.cc (make_sized_incremental_binary): Set the target.
4697         Error if it is incompatible.
4698         * output.h (Output_file): Add filename method.
4699
4700 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4701
4702         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4703         from the get_* methods.
4704
4705 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4706
4707         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4708         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4709         Write 0 for the data_offset of scripts.
4710
4711 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4712
4713         * testsuite/Makefile.am: Add the incremental_test.sh test.
4714         * testsuite/incremental_test.sh: New.
4715         * testsuite/incremental_test_1.c: New.
4716         * testsuite/incremental_test_2.c: New.
4717
4718 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4719
4720        * incremental-dump.cc (main): Fix typos.
4721
4722 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4723
4724         PR gold/11025
4725         * incremental-dump.cc (main): Use llu to print 64 bit values.
4726
4727 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
4728             H.J. Lu  <hongjiu.lu@intel.com>
4729
4730         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4731         $(LIBDL).
4732         (incremental_dump_LDADD): Likewise.
4733         * Makefile.in: Regenerated.
4734
4735 2009-11-25  Doug Kwan  <dougkwan@google.com>
4736
4737         Revert:
4738
4739         2009-11-25  Doug Kwan  <dougkwan@google.com>
4740
4741                 * arm.cc (Target_arm::Target_arm): Move method definition
4742                 outside of class definition.  Add code to handle
4743                 --target1-rel, --target1-abs and --target2= options.
4744                 (Target_arm::get_reloc_reloc_type): Change method to be
4745                 non-static and const.
4746                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4747                 New data member declaration.
4748                 (Target_arm::Scan::local, Target_arm::Scan::global,
4749                 Target_arm::Relocate::relocate,
4750                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4751                 Adjust call to Target_arm::get_real_reloc_type.
4752                 (Target_arm::get_real_reloc_type): Use command line options
4753                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4754                 * options.h (--target1-rel, --target1-abs, --target2): New
4755                 ARM-only options.
4756
4757 2009-11-25  Doug Kwan  <dougkwan@google.com>
4758
4759         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4760         class definition.  Add code to handle --target1-rel, --target1-abs
4761         and --target2= options.
4762         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4763         and const.
4764         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4765         member declaration.
4766         (Target_arm::Scan::local, Target_arm::Scan::global,
4767         Target_arm::Relocate::relocate,
4768         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4769         call to Target_arm::get_real_reloc_type.
4770         (Target_arm::get_real_reloc_type): Use command line options to
4771         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4772         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4773         options.
4774
4775 2009-11-25  Doug Kwan  <dougkwan@google.com>
4776
4777         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4778         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4779         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4780         formatting.
4781         (Arm_relocate_functions::thm_call): Replace body with a call to
4782         Arm_relocate_functions::thumb_branch_common.
4783         (Arm_relocate_functions::thm_jump24,
4784         Arm_relocate_functions::thm_xpc22): New method definitions.
4785         (Arm_relocate_functions::thumb_branch_common): New method definition.
4786         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4787         operator.
4788         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4789         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4790
4791 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4792
4793         * Makefile.am: Build incremental-dump
4794         * Makefile.in: Regenerate.
4795         * incremental-dump.cc: New.
4796         * incremental.cc (Incremental_inputs_header_data,
4797         Incremental_inputs_entry_data): Move to incremental.h
4798         * incremental.h: (Incremental_inputs_header_data,
4799         Incremental_inputs_entry_data): Move from incremental.cc
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): Add a typedef with the data type.
4806
4807 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4808
4809         * incremental.cc (Incremental_inputs_header,
4810         Incremental_inputs_header_write, Incremental_inputs_entry,
4811         Incremental_inputs_entry_write): Update comment about which
4812         type has the filed descriptions.
4813
4814 2009-11-15  Doug Kwan  <dougkwan@google.com>
4815
4816         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4817         (Arm_relocate_functions::arm_branch_common): Change method defintion
4818         in class definition to a method declaration and update list of formal
4819         parameters.
4820         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4821         Arm_relocation_functions::jump24): Adjust call to
4822         Arm_relocate_functions::arm_branch_common.  Update list of formal
4823         parameters.
4824         (Arm_relocate_functions::xpc25): New method definition.
4825         (Arm_relocate_functions::arm_branch_common): Move method defintion
4826         out from class definition.  Use stubs for mode-switching and extending
4827         branch ranges.
4828         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4829         specially.  Change code to enable use of stubs in ARM branches.
4830
4831 2009-11-10  Doug Kwan  <dougkwan@google.com>
4832
4833         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4834         in method declaration.
4835         (Target_arm::relocate_stub): New method declaration.
4836         (Target_arm::default_target): Change to return a pointer instead of
4837         a const reference.
4838         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4839         Target_arm::default_target.
4840         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4841         method definition.
4842         (Target_arm::relocate_section): Adjust view.
4843         (Target_arm::relocate_stub): New method definition.
4844
4845 2009-11-10  Doug Kwan  <dougkwan@google.com>
4846
4847         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4848         a format warning.
4849         * incremental.cc (open_incremental_binary): Initialized local
4850         variables to avoid warnings.
4851         * object.cc (make_elf_object): Ditto.
4852         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4853         a format warning.
4854
4855 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4856
4857         PR gold/10930
4858         * testsuite/plugin_test.c: Include "config.h".
4859
4860 2009-11-09  Doug Kwan  <dougkwan@google.com>
4861
4862         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4863         (arm_symbol_value): Remove.
4864         (Arm_relocate_functions::arm_branch_common,
4865         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4866         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4867         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4868         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4869         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4870         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4871         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4872         Arm_relocate_functions::thm_mobw_abs_nc,
4873         Arm_relocate_functions::thm_mov_abs,
4874         Arm_relocate_functions::movw_prel_nc,
4875         Arm_relocate_functions::thm_movt_abs,
4876         Arm_relocate_functions::movt_prel,
4877         Arm_relocate_functions::thm_movw_prel_nc,
4878         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4879         (Target_arm::Relocate::relocate): Only decompose address into two
4880         parts if relocation type uses the thumb-bit and pass the actual
4881         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4882         calls to methods in Arm_relocate_functions for this change.
4883
4884 2009-11-08  Ian Lance Taylor  <iant@google.com>
4885
4886         PR 10925
4887         * reloc.cc: Instantiate
4888         Sized_relobj::initialize_input_to_output_maps and
4889         Sized_relobj:free_input_to_output_maps.
4890
4891 2009-11-06  Ian Lance Taylor  <iant@google.com>
4892
4893         PR 10876
4894         * defstd.cc (in_segment): Set only_if_ref true for "end".
4895
4896 2009-11-06  Doug Kwan  <dougkwan@google.com>
4897
4898         * arm.cc (class Reloc_stub): Correct a comment.
4899         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4900         (Target_arm::scan_section_for_stubs): New method declaration.
4901         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4902         Change methods from private to protected.
4903         (Target_arm::do_may_relax): New method definition.
4904         (Target_arm::do_relax, Target_arm::group_sections,
4905         Target_arm::scan_reloc_for_stub,
4906         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4907         (Target_arm::arm_input_section_map_): New data member declaration.
4908         (Target_arm::scan_reloc_for_stub,
4909         Target_arm::scan_reloc_section_for_stubs,
4910         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4911         Target_arm::do_relax): New method definitions.
4912
4913 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4914
4915         * configure.ac: Check for (struct stat)::st_mtim
4916         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4917         * config.in: Regenerate.
4918         * configure: Regenerate.
4919
4920 2009-11-05  Ian Lance Taylor  <iant@google.com>
4921
4922         PR 10910
4923         * output.cc (Output_segment::add_output_section): Add missing
4924         return statement.
4925
4926 2009-11-04  Ian Lance Taylor  <iant@google.com>
4927
4928         PR 10880
4929         * object.h (class Object): Add is_needed and set_is_needed
4930         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4931         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4932         defined in a dynamic object and referenced by a regular object,
4933         set is_needed for the dynamic object.
4934         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4935         if the file is marked with as_needed and it is not needed.
4936
4937 2009-11-04  Ian Lance Taylor  <iant@google.com>
4938
4939         PR 10887
4940         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4941         tags if data is discarded by linker script.
4942         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4943         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4944         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4945         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4946
4947 2009-11-04  Ian Lance Taylor  <iant@google.com>
4948
4949         * layout.cc (Layout::get_output_section): Add is_interp and
4950         is_dynamic_linker_section parameters.  Change all callers.
4951         (Layout::choose_output_section): Likewise.
4952         (Layout::make_output_section): Likewise.
4953         (Layout::add_output_section_data): Add is_dynamic_linker_section
4954         parameter.  Change all callers.
4955         * layout.h (class Layout): Update declarations.
4956         * output.h (class Output_section): Add is_interp, set_is_interp,
4957         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4958         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4959         generate_code_fills_at_write_ to a bitfield.
4960         * output.cc (Output_section::Output_sections): Initialize new
4961         fields.
4962         (Output_segment::add_output_section): Add do_sort parameter.
4963         Change all callers.
4964
4965 2009-11-03  Ian Lance Taylor  <iant@google.com>
4966
4967         PR 10860
4968         * options.h (class General_options): Add --warn-common.
4969         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4970         merging two common symbols.
4971         (Symbol_table::should_override): Handle --warn-common when merging
4972         a common symbol with a defined symbol.  Use report_resolve_problem
4973         for multiple definitions.
4974         (Symbol_table::report_resolve_problem): New function.
4975         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4976
4977 2009-11-03  Doug Kwan  <dougkwan@google.com>
4978
4979         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4980         stub_factory_.
4981         (Target_arm::stub_factory): New method definition.
4982         (Target_arm::new_arm_input_section,
4983         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4984         Target_arm::reloc_uses_thumb_bit): New method declarations.
4985         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4986         New type definitions.
4987         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4988         member declarations.
4989         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4990         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4991         New method definitions.
4992
4993 2009-11-03  Ian Lance Taylor  <iant@google.com>
4994
4995         * options.h (class General_options): Add --warn_constructors.
4996
4997 2009-11-03  Ian Lance Taylor  <iant@google.com>
4998
4999         PR 10893
5000         * defstd.cc (in_section): Add entries for __rel_iplt_start,
5001         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
5002
5003 2009-11-03  Ian Lance Taylor  <iant@google.com>
5004
5005         PR 10895
5006         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
5007         --msgid-bugs-address.
5008         (install-pdf): New target.
5009         (install-data_yes): Look up one directory to find mkinstalldirs.
5010
5011 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
5012
5013         * po/Make-in (.po.gmo): Don't generate .gmo files in source
5014         tree.
5015
5016 2009-10-30  Doug Kwan  <dougkwan@google.com>
5017
5018         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
5019
5020 2009-10-30  Doug Kwan  <dougkwan@google.com>
5021
5022         * arm.cc (Stub_addend_reader): New struct template definition
5023         and partial specializations.
5024         (Stub_addend_reader::operator()): New method definition for a
5025         partially specialized template.
5026
5027 2009-10-30  Doug Kwan  <dougkwan@google.com>
5028
5029         * arm.cc (Arm_relobj::processor_specific_flags): New method
5030         definition.
5031         (Arm_relobj::do_read_symbols): New method declaration.
5032         (Arm_relobj::processor_specific_flags_): New data member declaration.
5033         (Arm_dynobj): New class definition.
5034         (Target_arm::do_finalize_sections): Add input_objects parameter.
5035         (Target_arm::do_adjust_elf_header): New method declaration.
5036         (Target_arm::are_eabi_versions_compatible,
5037         (Target_arm::merge_processor_specific_flags): New method declaration.
5038         (Target_arm::do_make_elf_object): New overloaded method definitions
5039         and declaration.
5040         (Arm_relobj::do_read_symbols): New method definition.
5041         (Arm_dynobj::do_read_symbols): Ditto.
5042         (Target_arm::do_finalize_sections): Add input_objects parameters.
5043         Merge processor-specific flags from all input objects.
5044         (Target_arm::are_eabi_versions_compatible,
5045         Target_arm::merge_processor_specific_flags,
5046         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
5047         New method definitions.
5048         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
5049         Input_objects pointer type parameter.
5050         * layout.cc (Layout::finalize): Pass input objects to target's.
5051         finalize_sections function.
5052         * output.cc (Output_file_header::do_sized_write): Set ELF file
5053         header's processor-specific flags.
5054         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
5055         Input_objects pointer type parameter.
5056         * sparc.cc (Target_sparc::do_finalize_sections): Same.
5057         * target.h (Input_objects): New forward class declaration.
5058         (Target::processor_specific_flags,
5059         Target::are_processor_specific_flags_sect): New method definitions.
5060         (Target::finalize_sections): Add input_objects parameter.
5061         (Target::Target): Initialize processor_specific_flags_ and
5062         are_processor_specific_flags_set_.
5063         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
5064         parameter.
5065         (Target::set_processor_specific_flags): New method definition.
5066         (Target::processor_specific_flags_,
5067         Target::are_processor_specific_flags_set_): New data member
5068         declarations.
5069         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
5070         Input_objects pointer type parameter.
5071
5072 2009-10-30  Doug Kwan  <dougkwan@google.com>
5073
5074         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
5075
5076 2009-10-28  Ian Lance Taylor  <iant@google.com>
5077
5078         * object.h (class Relobj): Drop options parameter from
5079         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
5080         do_scan_relocs, do_relocate.  Change all callers.
5081         (class Sized_relobj): Drop options parameters from
5082         do_gc_process_relocs, do_scan_relocs, do_relocate,
5083         do_relocate_sections, relocate_sections, emit_relocs_scan,
5084         emit_relocs_scan_reltype.  Change all callers.
5085         (struct Relocate_info): Remove options field and all references to
5086         it.
5087         * reloc.h (class Read_relocs): Remove options constructor
5088         parameter and options_ field.  Change all callers.
5089         (class Gc_process_relocs, class Scan_relocs): Likewise.
5090         (class Relocate_task): Likewise.
5091         * target-reloc.h (scan_relocs): Remove options parameter.  Change
5092         all callers.
5093         (scan_relocatable_relocs): Likewise.
5094         * target.h (class Sized_target): Remove options parameter from
5095         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
5096         all callers.
5097         * gc.h (gc_process_relocs): Remove options parameter.  Change all
5098         callers.
5099         * arm.cc: Update functions to remove options parameters.
5100         * i386.cc: Likewise.
5101         * powerpc.cc: Likewise.
5102         * sparc.cc: Likewise.
5103         * x86_64.cc: Likewise.
5104         * testsuite/testfile.cc: Likewise.
5105
5106 2009-10-28  Doug Kwan  <dougkwan@google.com>
5107
5108         * arm.cc (Arm_relobj): New class definition.
5109         (Arm_relobj::scan_sections_for_stubs,
5110         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
5111         New method definitions.
5112
5113 2009-10-28  Cary Coutant  <ccoutant@google.com>
5114
5115         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
5116         (Plugin::cleanup_done_): New member.
5117         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
5118         (Plugin_manager::cleanup_done_): Remove.
5119         (Plugin_manager::add_input_file): Edit error message.
5120         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
5121         (Plugin_manager::cleanup): Remove use of cleanup_done_.
5122
5123 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
5124
5125         * fileread.cc: (File_read::View::~View): Use the new
5126         data_ownership_ filed.
5127         (File_read::~File_read): Dispose the new whole_file_view_.
5128         (File_read::open): Mmap the whole file if needed.
5129         (File_read::open): Use whole_file_view_ instead of contents_.
5130         (File_read::find_view): Use whole_file_view_ if applicable.
5131         (File_read::do_read): Use whole_file_view_ instead of contents_.
5132         (File_read::make_view): Use whole_file_view_ instead of contents_,
5133         update File_read::View::View call.
5134         (File_read::find_or_make_view): Update File_read::View::View
5135         call.
5136         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
5137         remove contents_
5138         (File_read::View::Data_ownership): New enum.
5139         (File_read::View::View): Replace bool mapped_ with Data_ownership
5140         argument.
5141         (File_read::View::mapped_): Remove (replaced by data_ownership_).
5142         (File_read::View::data_ownership_): New field.
5143         (File_read::contents_): Remove (replaced by whole_file_view_).
5144         (File_read::whole_file_view_): New field.
5145         * options.h (class General_options): Add --keep-files-mapped.
5146
5147 2009-10-27  Cary Coutant  <ccoutant@google.com>
5148
5149         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
5150         * testsuite/Makefile.am (plugin_test_5): New test case.
5151         * testsuite/Makefile.in: Regenerate.
5152
5153 2009-10-25  Doug Kwan  <dougkwan@google.com>
5154
5155         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
5156         from private to protected to allow access by child class.
5157         (Sized_relobj::do_relocate_sections): New method declaration.
5158         (Sized_relobj::relocate_sections): Virtualize.
5159         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
5160         Sized_relobj::relocate_sections.  Instantiate template explicitly
5161         for different target sizes and endianity.
5162
5163 2009-10-24  Doug Kwan  <dougkwan@google.com>
5164
5165         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
5166         (Arm_input_section::as_arm_input_section): New method.
5167         (Arm_output_section): New class definition.
5168         (Arm_output_section::create_stub_group,
5169         Arm_output_section::group_sections): New method definitions.
5170
5171 2009-10-22  Doug Kwan  <dougkwan@google.com>
5172
5173         * arm.cc (Arm_input_section): New class definition.
5174         (Arm_input_section::init, Arm_input_section:do_write,
5175         Arm_input_section::set_final_data_size,
5176         Arm_input_section::do_reset_address_and_file_offset): New method
5177         definitions.
5178
5179 2009-10-21  Doug Kwan  <dougkwan@google.com>
5180
5181         * arm.cc (Stub_table, Arm_input_section): New forward class
5182         declarations.
5183         (Stub_table): New class defintion.
5184         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
5185         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
5186         New method definition.
5187
5188 2009-10-21  Doug Kwan  <dougkwan@google.com>
5189
5190         * arm.cc: Update copyright comments.
5191         (Target_arm): New forward class template declaration.
5192         (Arm_address): New type.
5193         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
5194         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
5195         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
5196         constants.
5197         (Insn_template): Same.
5198         (DEF_STUBS): New macro.
5199         (Stub_type): New enum type.
5200         (Stub_template): New class definition.
5201         (Stub): Same.
5202         (Reloc_stub): Same.
5203         (Stub_factory): Same.
5204         (Target_arm::Target_arm): Initialize may_use_blx_ and
5205         should_force_pic_veneer_.
5206         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
5207         Target_arm::should_force_pic_veneer,
5208         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
5209         Target_arm::using_thumb_only, Target_arm:;default_target): New
5210         method defintions.
5211         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
5212         New data member declarations.
5213         (Insn_template::size, Insn_template::alignment): New method defintions.
5214         (Stub_template::Stub_template): New method definition.
5215         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
5216         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
5217         (Stub_factory::Stub_factory): New method definition.
5218         * gold.h (string_hash): New template.
5219         * output.h (Input_section_specifier::hash_value): Use
5220         gold::string_hash.
5221         (Input_section_specifier::string_hash): Remove.
5222         * stringpool.cc (Stringpool_template::string_hash): Use
5223         gold::string_hash.
5224
5225 2009-10-20  Doug Kwan  <dougkwan@google.com>
5226
5227         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
5228         symbols of relaxed input sections.
5229         * output.h (Output_section::find_relaxed_input_section): Make
5230         method public.
5231
5232 2009-10-16  Doug Kwan  <dougkwan@google.com>
5233
5234         * dynobj.cc (Versions::Versions): Initialize version_script_.
5235         Only insert base version symbol definition for a shared object
5236         if version script defines any version versions.
5237         (Versions::define_base_version): New method definition.
5238         (Versions::add_def): Check that base version is not needed.
5239         (Versions::add_need): Define base version lazily.
5240         * dynobj.h (Versions::define_base_version): New method declaration.
5241         (Versions::needs_base_version_): New data member declaration.
5242         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
5243         (check_DATA): Add no_version_test.stdout.
5244         (libno_version_test.so, no_version_test.o no_version_test.stdout):
5245         New make rules.
5246         * testsuite/Makefile.in: Regenerate.
5247         * testsuite/no_version_test.c: New file.
5248         * testsuite/no_version_test.sh: Ditto.
5249
5250 2009-10-16  Doug Kwan  <dougkwan@google.com>
5251
5252         * expression.cc (class Segment_start_expression): New class definition.
5253         (Segment_start_expression::value): New method definition.
5254         (script_exp_function_segment_start): Return a new
5255         Segment_start_expression.
5256         * gold/script-c.h (script_saw_segment_start_expression): New function
5257         prototype.
5258         * script-sections.cc (Script_sections::Script_sections): Initialize
5259         SAW_SEGMENT_START_EXPRESSION_ to false.
5260         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
5261         and -Tbbs options to specify section addresses if given in
5262         command line and no SEGMENT_START expression is seen in a script.
5263         * script-sections.h (Script_sections::saw_segment_start_expression,
5264         Script_sections::set_saw_segment_start_expression): New method
5265         definition.
5266         (Script_sections::saw_segment_start_expression_): New data member
5267         declaration.
5268         * script.cc (script_saw_segment_start_expression): New function.
5269         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5270         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5271         script_test_7.sh and script_test_8.sh.
5272         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5273         script_test_8.stdout.
5274         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5275         (script_test_6, script_test_6.stdout, script_test_7,
5276         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5277         * Makefile.in: Regenerate.
5278         * testsuite/script_test_6.sh: New file.
5279         * testsuite/script_test_6.t: Same.
5280         * testsuite/script_test_7.sh: Same.
5281         * testsuite/script_test_7.t: Same.
5282         * testsuite/script_test_8.sh: Same.
5283
5284 2009-10-16  Doug Kwan  <dougkwan@google.com>
5285
5286         * output.cc (Output_segment::set_section_list_address): Cast
5287         expressions to unsigned long long type to avoid format warnings.
5288
5289 2009-10-15  Ian Lance Taylor  <iant@google.com>
5290
5291         * script.cc (Script_options::add_symbol_assignment): Always add a
5292         dot assignment to script_sections_.
5293         * script-sections.cc (Script_sections::add_dot_assignment):
5294         Initialize if necessary.
5295
5296         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5297         program headers with no load segment if there is a linker script.
5298
5299         * layout.cc (Layout::set_segment_offsets): Align the file offset
5300         to the segment aligment for -N or -n with no load segment.
5301         * output.cc (Output_segment::add_output_section): Don't crash if
5302         the first section is a TLS section.
5303         (Output_segment::set_section_list_addresses): Print an error
5304         message if the address moves backward in a linker script.
5305         * script-sections.cc
5306         (Output_section_element_input::set_section_addresses): Don't
5307         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5308         (Orphan_output_section::set_section_addresses): Likewise.
5309
5310 2009-10-15  Doug Kwan  <dougkwan@google.com>
5311
5312         * layout.cc (Layout::finish_dynamic_section): Generate tags
5313         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5314         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5315         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5316
5317 2009-10-14  Ian Lance Taylor  <iant@google.com>
5318
5319         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5320         fields.
5321         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5322         data_shdr fields of relinfo.
5323         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5324         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5325         R_386_TLS_LDO_32, adjust based on section flags.
5326         (Target_i386::Relocate::fix_up_ldo): Remove.
5327
5328 2009-10-13  Ian Lance Taylor  <iant@google.com>
5329
5330         Add support for -pie.
5331         * options.h (class General_options): Add -pie and
5332         --pic-executable.
5333         (General_options::output_is_position_independent): Test -pie.
5334         (General_options::output_is_executable): Return true if not shared
5335         and not relocatable.
5336         (General_options::output_is_pie): Remove.
5337         * options.cc (General_options::finalize): Reject incompatible uses
5338         of -pie.
5339         * gold.cc (queue_middle_tasks): A -pie link is not static.
5340         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5341         * symtab.cc (Symbol::final_value_is_known): Return false if
5342         output_is_position_independent.
5343         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5344         output_is_position_independent.
5345         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5346         output_is_position_independent.
5347         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5348         output_is_position_independent.
5349         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5350         two_file_pie_test.
5351         (basic_pie_test.o, basic_pie_test): New targets.
5352         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5353         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5354         (two_file_pie_test): New target.
5355         * testsuite/Makefile.in: Rebuild.
5356         * README: Remove note saying that -pie is not supported.
5357
5358 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5359
5360         * options.h (class General_options): Add -init and -fini.
5361         * layout.cc (Layout::finish_dynamic_section): Emit
5362         given init and fini functions.
5363
5364 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5365
5366         * gc.h (gc_process_relocs): Check if icf is enabled using new
5367         function.
5368         * gold.cc (queue_initial_tasks): Likewise.
5369         (queue_middle_tasks): Likewise.
5370         * object.cc (do_layout): Likewise.
5371         * symtab.cc (is_section_folded): Likewise.
5372         * main.cc (main): Likewise.
5373         * reloc.cc (Read_relocs::run): Likewise.
5374         (Sized_relobj::do_scan_relocs): Likewise.
5375         * icf.cc (is_function_ctor_or_dtor): New function.
5376         (Icf::find_identical_sections): Check if function is ctor or dtor when
5377         safe icf is chosen.
5378         * options.h (General_options::icf): Change option to be an enum.
5379         (Icf_status): New enum.
5380         (icf_enabled): New method.
5381         (icf_safe_folding): New method.
5382         (set_icf_status): New method.
5383         (icf_status_): New variable.
5384         * (options.cc) (General_options::finalize): Set icf_status_.
5385         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5386         icf_test and icf_keep_unique_test to use the --icf enum flag.
5387         * testsuite/icf_safe_test.sh: New file.
5388         * testsuite/icf_safe_test.cc: New file.
5389
5390 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5391
5392         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5393         includes to gc.h and icf.h.
5394         * arm.cc: Include gc.h.
5395         * gold.cc: Likewise.
5396         * i386.cc: Likewise.
5397         * powerpc.cc: Likewise.
5398         * sparc.cc: Likewise.
5399         * x86_64.cc: Likewise.
5400         * gc.h: Include icf.h.
5401
5402 2009-10-11  Ian Lance Taylor  <iant@google.com>
5403
5404         * plugin.cc: Include "gold.h" before other header files.
5405
5406 2009-10-10  Chris Demetriou  <cgd@google.com>
5407
5408         * options.h (Input_file_argument::Input_file_type): New enum.
5409         (Input_file_argument::is_lib_): Replace with...
5410         (Input_file_argument::type_): New member.
5411         (Input_file_argument::Input_file_argument): Take Input_file_type
5412         'type' rather than boolean 'is_lib' as second argument.
5413         (Input_file_argument::is_lib): Use type_.
5414         (Input_file_argument::is_searched_file): New function.
5415         (Input_file_argument::may_need_search): Handle is_searched_file.
5416         * options.cc (General_options::parse_library): Support -l:filename.
5417         (General_options::parse_just_symbols): Update for Input_file_argument
5418         changes.
5419         (Command_line::process): Likewise.
5420         * archive.cc (Archive::get_file_and_offset): Likewise.
5421         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5422         * script.cc (read_script_file, script_add_file): Likewise.
5423         * fileread.cc (Input_file::Input_file): Likewise.
5424         (Input_file::will_search_for): Handle is_searched_file.
5425         (Input_file::open): Likewise.
5426         * readsyms.cc (Read_symbols::get_name): Likewise.
5427         * testsuite/Makefile.am (searched_file_test): New test.
5428         * testsuite/Makefile.in: Regenerate.
5429         * testsuite/searched_file_test.cc: New file.
5430         * testsuite/searched_file_test_lib.cc: New file.
5431
5432 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5433             Ian Lance Taylor  <iant@google.com>
5434
5435         * descriptor.cc: Include <cstdio> and "binary-io.h".
5436         (Descriptors::open): Open the files in binary mode always.
5437         * script.cc (Lex::get_token): Treat \r as whitespace.
5438
5439 2009-10-09  Ian Lance Taylor  <iant@google.com>
5440
5441         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5442
5443 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5444             Ian Lance Taylor  <iant@google.com>
5445
5446         * configure.ac: Check for readv function also.
5447         * fileread.cc (readv): Define if not HAVE_READV.
5448         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5449         does not exist.
5450         * config.in: Regenerate.
5451         * configure: Regenerate.
5452
5453 2009-10-09  Doug Kwan  <dougkwan@google.com>
5454
5455         * layout.cc (Layout::make_output_section): Call target hook to make
5456         ordinary output section.
5457         (Layout::finalize): Adjust parameter list of call the
5458         Target::may_relax().
5459         * layout.h (class Layout::section_list): New method.
5460         * merge.h (Output_merge_base::entsize): Change visibility to public.
5461         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5462         New methods.
5463         (Output_merge_string::do_is_string): New method.
5464         * object.cc (Sized_relobj::do_setup): renamed from
5465         Sized_relobj::set_up.
5466         * object.h (Sized_relobj::adjust_shndx,
5467         Sized_relobj::initializ_input_to_output_maps,
5468         Sized_relobj::free_input_to_output_maps): Change visibilities to
5469         protected.
5470         (Sized_relobj::setup): Virtualize.
5471         (Sized_relobj::do_setup): New method declaration.
5472         (Sized_relobj::invalidate_section_offset,
5473         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5474         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5475         * options.cc (parse_int): New function.
5476         * options.h (parse_int): New declaration.
5477         (DEFINE_int): New macro.
5478         (stub_group_size): New option.
5479         * output.cc (Output_section::Output_section): Initialize memebers
5480         merge_section_map_, merge_section_by_properties_map_,
5481         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5482         (Output_section::add_input_section): Handled deferred code-fill
5483         generation and remove an old comment.
5484         (Output_section::add_relaxed_input_section): New method definition.
5485         (Output_section::add_merge_input_section): Use merge section by
5486         properties map to speed to search.  Update merge section maps
5487         as appropriate.
5488         (Output_section::build_relaxation_map): New method definition.
5489         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5490         Same.
5491         (Output_section::relax_input_section): Renamed to
5492         Output_section::convert_input_sections_to_relaxed_sections and change
5493         interface to take a vector of pointers to relaxed sections.
5494         (Output_section::find_merge_section,
5495         Output_section::find_relaxed_input_section): New method definitions.
5496         (Output_section::is_input_address_mapped,
5497         Output_section::output_offset, Output_section::output_address):
5498         Use output section data maps to speed up searching.
5499         (Output_section::find_starting_output_address): Add comments.
5500         (Output_section::do_write,
5501         Output_section::write_to_postprocessing_buffer): Do code-fill
5502         generation as appropriate.
5503         (Output_section::get_input_sections): Invalidate relaxed input section
5504         map.
5505         (Output_section::restore_states): Adjust type of checkpoint .
5506         Invalidate relaxed input section map.
5507         * output.h (Output_merge_base): New class declaration.
5508         (Input_section_specifier): New class defintion.
5509         (class Output_relaxed_input_section) Change base class to
5510         Output_section_data_build.
5511         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5512         base class initializer.
5513         (Output_section::add_relaxed_input_section): New method declaration.
5514         (Output_section::Input_section): Change visibility to protected.
5515         (Output_section::Input_section::relobj,
5516         Output_section::Input_section::shndx): Handle relaxed input sections.
5517         Output_section::input_sections) Change visibility to protected.  Also
5518         define overload to return a non-const pointer.
5519         (Output_section::Merge_section_properties): New class defintion.
5520         (Output_section::Merge_section_by_properties_map,
5521         Output_section::Output_section_data_by_input_section_map,
5522         Output_section::Relaxation_map): New types.
5523         (Output_section::relax_input_section): Rename method to
5524         Output_section::convert_input_sections_to_relaxed_sections and change
5525         interface to take a vector of relaxed section pointers.
5526         (Output_section::find_merge_section,
5527         Output_section::find_relaxed_input_section,
5528         Output_section::build_relaxation_map,
5529         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5530         New method declarations.
5531         (Output_section::merge_section_map_
5532         Output_section::merge_section_by_properties_map_,
5533         Output_section::relaxed_input_section_map_,
5534         Output_section::is_relaxed_input_section_map_valid_,
5535         Output_section::generate_code_fills_at_write_): New data members.
5536         * script-sections.cc
5537         (Output_section_element_input::set_section_addresses): Call
5538         current_data_size and addralign methods of relaxed input sections.
5539         (Orphan_output_section::set_section_addresses): Call current_data_size
5540         and addralign methods of relaxed input sections.
5541         * symtab.cc (Symbol_table::compute_final_value): Extract template
5542         from the body of Symbol_table::sized_finalize_symbol.
5543         (Symbol_table::sized_finalized_symbol): Call
5544         Symbol_table::compute_final_value.
5545         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5546         (Symbol_table::compute_final_value): New templated method declaration.
5547         * target.cc (Target::do_make_output_section): New method defintion.
5548         * target.h (Target::make_output_section): New method declaration.
5549         (Target::relax): Add more parameters for input objects, symbol table
5550         and layout.  Adjust call to do_relax.
5551         (Target::do_make_output_section): New method declaration.
5552         (Target::do_relax): Add parameters for input objects, symbol table
5553         and layout.
5554
5555 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5556
5557         * pread.c: Include stdio.h.
5558
5559 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5560
5561         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5562         defined.
5563
5564 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5565
5566         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5567         Change read_shndx type to unsigned int.
5568         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5569         int.
5570         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5571         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5572         Change read_shndx type to unsigned int.
5573         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5574         int.
5575         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5576         * layout.cc (Layout::create_symtab_sections): Cast the result of
5577         local_symcount * symsize to off_t in the gold_assert.
5578
5579 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5580
5581         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5582         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5583         R_ARM_BASE_ABS.
5584         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5585         (Arm_relocate_functions::thm_abs5): New function.
5586         (Arm_relocate_functions::abs12): New function.
5587         (Arm_relocate_functions::abs16): New function.
5588         (Arm_relocate_functions::base_abs): New function.
5589         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5590         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5591         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5592         R_ARM_BASE_ABS.
5593         (Scan::global): Likewise.
5594         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5595         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5596         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5597         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5598         R_ARM_BASE_ABS.
5599
5600 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5601
5602         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5603         (Arm_relocate_functions::movt_prel): New function.
5604         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5605         (Arm_relocate_functions::thm_movt_prel): New function.
5606         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5607         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5608         (Scan::global, Relocate::relocate): Likewise.
5609         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5610
5611 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5612
5613         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5614         Incremental_checker.
5615         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5616         unsigned int.
5617         (class Incremental_inputs_header): New class.
5618         (Incremental_inputs_header_writer): Edit comment.
5619         (Incremental_inputs_entry): New class.
5620         (Incremental_inputs_entry_writer): Edit comment.
5621         (Sized_incremental_binary::do_find_incremental_inputs_section):
5622         Add *strtab_shndx parameter, fill it.
5623         (Sized_incremental_binary::do_check_inputs): New method.
5624         (Incremental_checker::can_incrementally_link_output_file): Use
5625         Sized_incremental_binary::check_inputs.
5626         (Incremental_inputs::report_command_line): Save command line in
5627         command_line_.
5628         * incremental.h:
5629         (Incremental_binary::find_incremental_inputs_section): New
5630         method.
5631         (Incremental_binary::do_find_incremental_inputs_section): Add
5632         strtab_shndx parameter.
5633         (Incremental_binary::do_check_inputs): New pure virtual method.
5634         (Sized_incremental_binary::do_check_inputs): Declare.
5635         (Incremental_checker::Incremental_checker): Add incremental_inputs
5636         parameter, use it to initialize incremental_inputs_.
5637         (Incremental_checker::incremental_inputs_): New field.
5638         (Incremental_checker::command_line): New method.
5639         (Incremental_checker::inputs): New method.
5640         (Incremental_checker::command_line_): New field.
5641
5642 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5643
5644         * incremental.cc: Include <cstdarg> and "target-select.h".
5645         (vexplain_no_incremental): New function.
5646         (explain_no_incremental): New function.
5647         (Incremental_binary::error): New method.
5648         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5649         method.
5650         (make_sized_incremental_binary): New function.
5651         (open_incremental_binary): New function.
5652         (can_incrementally_link_file): Add checks if output is ELF and has
5653         inputs section.
5654         * incremental.h: Include "elfcpp_file.h" and "output.h".
5655         (Incremental_binary): New class.
5656         (Sized_incremental_binary): New class.
5657         (open_incremental_binary): Declare.
5658         * object.cc (is_elf_object): Use
5659         elfcpp::Elf_recognizer::is_elf_file.
5660         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5661         * output.h (Output_file::filesize): New method.
5662
5663 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5664
5665         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5666         New function.
5667         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5668         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5669         function.
5670         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5671         function.
5672         (Arm_relocate_functions::movw_abs_nc): New function.
5673         (Arm_relocate_functions::movt_abs): New function.
5674         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5675         (Arm_relocate_functions::thm_movt_abs): New function.
5676         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5677         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5678         (Scan::global): Likewise.
5679         (Relocate::relocate): Likewise.
5680         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5681
5682 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5683
5684         * arm.cc (Arm_relocate_functions::got_prel) New function.
5685         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5686         (Relocate::relocate): Likewise.
5687         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5688
5689 2009-10-06  Ian Lance Taylor  <iant@google.com>
5690
5691         * options.h (class General_options): Define
5692         split_stack_adjust_size parameter.
5693         * object.h (class Object): Add uses_split_stack_ and
5694         has_no_split_stack_ fields.  Add uses_split_stack and
5695         has_no_split_stack accessor functions.  Declare
5696         handle_split_stack_section.
5697         (class Reloc_symbol_changes): Define.
5698         (class Sized_relobj): Define Function_offsets.  Declare
5699         split_stack_adjust, split_stack_adjust_reltype, and
5700         find_functions.
5701         * object.cc (Object::handle_split_stack_section): New function.
5702         (Sized_relobj::do_layout): Call handle_split_stack_section.
5703         * dynobj.cc (Sized_dynobj::do_layout): Call
5704         handle_split_stack_section.
5705         * reloc.cc (Sized_relobj::relocate_sections): Call
5706         split_stack_adjust for executable sections in split_stack
5707         objects.  Pass reloc_map to relocate_section.
5708         (Sized_relobj::split_stack_adjust): New function.
5709         (Sized_relobj::split_stack_adjust_reltype): New function.
5710         (Sized_relobj::find_functions): New function.
5711         * target-reloc.h: Include "object.h".
5712         (relocate_section): Add reloc_symbol_changes parameter.  Change
5713         all callers.
5714         * target.h (class Target): Add calls_non_split method.  Declare
5715         do_calls_non_split virtual method.  Declare match_view and
5716         set_view_to_nop.
5717         * target.cc: Include "elfcpp.h".
5718         (Target::do_calls_non_split): New function.
5719         (Target::match_view): New function.
5720         (Target::set_view_to_nop): New function.
5721         * gold.cc (queue_middle_tasks): Give an error if mixing
5722         split-stack and non-split-stack objects with -r.
5723         * i386.cc (Target_i386::relocate_section): Add
5724         reloc_symbol_changes parameter.
5725         (Target_i386::do_calls_non_split): New function.
5726         * x86_64.cc (Target_x86_64::relocate_section): Add
5727         reloc_symbol_changes parameter.
5728         (Target_x86_64::do_calls_non_split): New function.
5729         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5730         parameter.
5731         * powerpc.cc (Target_powerpc::relocate_section): Add
5732         reloc_symbol_changes parameter.
5733         * sparc.cc (Target_sparc::relocate_section): Add
5734         reloc_symbol_changes parameter.
5735         * configure.ac: Call AM_CONDITIONAL for the default target.
5736         * configure: Rebuild.
5737         * testsuite/Makefile.am (TEST_AS): New variable.
5738         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5739         (check_DATA): Add split_i386 and split_x86_64 files.
5740         (SPLIT_DEFSYMS): Define.
5741         (split_i386_[1234n].o): New targets.
5742         (split_i386_[124]): New targets.
5743         (split_i386_[1234r].stdout): New targets.
5744         (split_x86_64_[1234n].o): New targets.
5745         (split_x86_64_[124]): New targets.
5746         (split_x86_64_[1234r].stdout): New targets.
5747         (MOSTLYCLEANFILES): Add new executables.
5748         * testsuite/split_i386.sh: New file.
5749         * testsuite/split_x86_64.sh: New file.
5750         * testsuite/split_i386_1.s: New file.
5751         * testsuite/split_i386_2.s: New file.
5752         * testsuite/split_i386_3.s: New file.
5753         * testsuite/split_i386_4.s: New file.
5754         * testsuite/split_i386_n.s: New file.
5755         * testsuite/split_x86_64_1.s: New file.
5756         * testsuite/split_x86_64_2.s: New file.
5757         * testsuite/split_x86_64_3.s: New file.
5758         * testsuite/split_x86_64_4.s: New file.
5759         * testsuite/split_x86_64_n.s: New file.
5760         * testsuite/testfile.cc (Target_test): Update relocation_section
5761         function.
5762         * testsuite/Makefile.in: Rebuild.
5763
5764 2009-10-06  Ian Lance Taylor  <iant@google.com>
5765
5766         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5767         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5768         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5769         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5770         the address on ldo_addrs_.
5771         (Target_i386::Relocate::fix_up_ldo): New function.
5772
5773 2009-10-06   Rafael Espindola  <espindola@google.com>
5774
5775         * plugin.cc (add_input_library): New.
5776         (Plugin::load): Add add_input_library to tv.
5777         (Plugin_manager::add_input_file): Add the is_lib argument.
5778         (add_input_file): Update call to Plugin_manager::add_input_file.
5779         (add_input_library): New.
5780         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5781
5782 2009-09-30  Doug Kwan  <dougkwan@google.com>
5783
5784         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5785         symbol and call Symbol::may_need_copy_reloc to determine if
5786         a copy reloc is needed.
5787         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5788         nocopyreloc is given in command line.
5789         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5790         given in command line.
5791         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5792         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5793         of the removed Target_i386::may_need_copy_reloc.
5794         * options.h (copyreloc): New option with default value false.
5795         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5796         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5797         instead of the removed Target_powerpc::may_need_copy_reloc.
5798         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5799         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5800         instead of the removed Target_sparc::may_need_copy_reloc.
5801         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5802         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5803         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5804         instead of the removed Target_x86_64::may_need_copy_reloc.
5805
5806 2009-09-30  Ian Lance Taylor  <iant@google.com>
5807
5808         * object.h (class Object): Remove target_ field, and target,
5809         sized_target, and set_target methods.
5810         (Object::sized_target): Remove.
5811         (class Sized_relobj): Update declarations.  Remove sized_target.
5812         * object.cc (Sized_relobj::setup): Remove target parameter.
5813         Change all callers.
5814         (Input_objects::add_object): Don't do anything with the target.
5815         (make_elf_sized_object): Add punconfigured parameter.  Change all
5816         callers.  Set or test parameter target.
5817         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5818         Change all callers.
5819         * parameters.cc (Parameters::set_target): Change parameter type to
5820         be non-const.
5821         (Parameters::default_target): Remove.
5822         (set_parameters_target): Change parameter type to be non-const.
5823         (parameters_force_valid_target): New function.
5824         (parameters_clear_target): New function.
5825         * parameters.h (class Parameters): Update declarations.  Remove
5826         default_target method.  Add sized_target and clear_target
5827         methods.  Change target_ to be non-const.
5828         (set_parameters_target): Update declaration.
5829         (parameters_force_valid_target): Declare.
5830         (parameters_clear_target): Declare.
5831         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5832         as NULL if we aren't searching.
5833         (Add_symbols::run): Don't check for compatible target.
5834         * fileread.cc (Input_file::open_binary): Call
5835         parameters_force_valid_target.
5836         * gold.cc (queue_middle_tasks): Likewise.
5837         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5838         set_target on object.
5839         * dynobj.h (class Sized_dynobj): Update declarations.
5840         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5841         make_elf_object returns NULL.
5842         (Archive::include_member): Don't check whether object target is
5843         compatible.
5844         * output.cc (Output_section::add_input_section): Get target from
5845         parameters.
5846         (Output_section::relax_input_section): Likewise.
5847         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5848         parameters.
5849         (Sized_relobj::do_scan_relocs): Likewise.
5850         (Sized_relobj::relocate_sections): Likewise.
5851         * resolve.cc (Symbol_table::resolve): Likewise.
5852         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5853         parameter.  Change all callers.
5854         (Symbol_table::add_from_object): Get target from parameters.
5855         (Symbol_table::add_from_relobj): Don't check object target.
5856         (Symbol_table::add_from_dynobj): Likewise.
5857         (Symbol_table::define_special_symbol): Get target from
5858         parameters.
5859         * symtab.h (class Symbol_table): Update declaration.
5860         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5861         parameter.  Change all callers.  Clear parameter target.
5862         (Binary_test): Test target here.
5863         * testsuite/object_unittest.cc (gold_testsuite): Remove
5864         target_test_pointer parameter.  Change all callers.
5865         (Object_test): Test target here.
5866
5867 2009-09-26  Ian Lance Taylor  <iant@google.com>
5868
5869         * testsuite/initpri1.c: Don't try to use constructor priorities if
5870         compiling with gcc before 4.3.
5871
5872 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5873
5874         * testsuite/retain_symbols_file_test.sh (check_present): Change
5875         output file name to retain_symbols_file_test.stdout.
5876         (check_absent): Likewise.
5877
5878 2009-09-18  Craig Silverstein  <csilvers@google.com>
5879
5880         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5881         * options.cc: Include <cerrno> and <fstream>.
5882         (General_options::finalize): Parse -retain-symbols-file tag.
5883         * options.h: New flag.
5884         (General_options): New method should_retain_symbol, new
5885         variable symbols_to_retain.
5886         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5887         should_retain_symbol map.
5888         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5889         * testsuite/Makefile.in: Regenerate.
5890         * testsuite/retain_symbols_file_test.sh: New file.
5891
5892 2009-09-18  Nick Clifton  <nickc@redhat.com>
5893
5894         * po/es.po: Updated Spanish translation.
5895
5896 2009-09-17  Doug Kwan  <dougkwan@google.com>
5897
5898         * debug.h (DEBUG_RELAXATION): New constant.
5899         (DEBUG_ALL): Add DEBUG_RELAXATION.
5900         (debug_string_to_enum): Add relaxation debug option.
5901         * layout.cc
5902         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5903         Layout::Relaxation_debug_check::read_sections,
5904         Layout::Relaxation_debug_check::read_sections): New method definitions.
5905         (Layout::Layout): Initialize data members
5906         record_output_section_data_from_scrips_,
5907         script_output_section_data_list_ and relaxation_debug_check_.
5908         (Layout::save_segments, Layout::restore_segments,
5909         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5910         Layout::relaxation_loop_body): New method definitions.
5911         (Layout::finalize): Support relaxation.  Move section layout code to
5912         Layout::relaxation_loop_body.
5913         (Layout::set_asection_address_from_script): Move code for orphan
5914         section placement out.
5915         (Layout::place_orphan_sections_in_script): New method definition.
5916         * layout.h (Output_segment_headers, Output_file_header):
5917         New forward class declarations.
5918         (Layout::~Layout): Define.
5919         (Layout::new_output_section_data_from_script): New method definition.
5920         (Layout::place_orphan_sections_in_script): New method declaration.
5921         (Layout::Segment_states): New type declaration.
5922         (Layout::save_segments, Layout::restore_segments,
5923         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5924         Layout::relaxation_loop_body): New method declarations.
5925         (Layout::Output_section_data_list): New type declaration.
5926         (Layout::Relaxation_debug_check): New class definition.
5927         (Layout::record_output_section_data_from_script_,
5928         Layout::script_output_section_data_list_, Layout::segment_states_,
5929         Layout::relaxation_debug_check_): New data members.
5930         * output.cc: (Output_section_headers::do_size): New method definition.
5931         (Output_section_headers::Output_section_headers): Move size
5932         computation to Output_section_headers::do_size.
5933         (Output_segment_headers::do_size): New method definition.
5934         (Output_file_header::Output_file_header): Move size computation to
5935         Output_file_header::do_size and call it.
5936         (Output_file_header::do_size): New method definition.
5937         (Output_data_group::Output_data_group): Adjust call to
5938         Output_section_data.
5939         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5940         (Output_symtab_xindex::do_write): Add array bound check.
5941         (Output_section::Input_section::print_to_mapfile): Handle
5942         RELAXED_INPUT_SECTION_CODE.
5943         (Output_section::Output_section): Initialize data member checkpoint_.
5944         (Output_section::~Output_section): Delete checkpoint object pointed
5945         by checkpoint_.
5946         (Output_section::add_input_section): Always add an Input_section if
5947         relaxing.
5948         (Output_section::add_merge_input_section): Add assert.
5949         (Output_section::relax_input_section): New method definition.
5950         (Output_section::set_final_data_size): Set load address to zero for
5951         an unallocated section.
5952         (Output_section::do_address_and_file_offset_have_reset_values):
5953         New method definition.
5954         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5955         Handle relaxed input section.
5956         (Output_section::sort_attached_input_sections): Checkpoint input
5957         section list lazily.
5958         (Output_section::get_input_sections): Change type of input_sections to
5959         list of Simple_input_section pointers.  Checkpoint input section list
5960         lazily.  Also handle relaxed input sections.
5961         (Output_section::add_input_section_for_script): Take a reference to
5962         a Simple_input_section object instead of Relobj pointer and section
5963         index as parameter.  Handle relaxed input sections.
5964         (Output_section::save_states, Output_section::restore_states): New
5965         method definitions.
5966         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5967         (Output_data::is_data_size_fixed): New method definition.
5968         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5969         if it is fixed.
5970         (Output_data::address_and_file_offset_have_reset_values): New method
5971         definition.
5972         (Output_data::do_address_and_file_offset_have_reset_values): New method
5973         definition.
5974         (Output_data::set_data_size): Check that data size is not fixed.
5975         (Output_data::fix_data_size): New method definition.
5976         (Output_data::is_data_size_fixed_): New data member.
5977         (Output_section_headers::set_final_data_size): New method definition.
5978         (Output_section_headers::do_size): New method declaration.
5979         (Output_segment_headers::set_final_data_size): New method definition.
5980         (Output_segment_headers::do_size): New method declaration.
5981         (Output_file_header::set_final_data_size)::New method definition.
5982         (Output_file_header::do_size)::New method declaration.
5983         (Output_section_data::Output_section_data): Add new parameter
5984         is_data_size_fixed and use it to fix data size.
5985         (Output_data_const::Output_data_const): Adjust call to base class
5986         constructor and fix data size.
5987         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5988         base class constructor and fix data size.
5989         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5990         base class constructor and fix data size.
5991         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5992         class constructor and fix data size.
5993         (Output_data_group::set_final_data_size): New method definition.
5994         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5995         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5996         class constructor and fix data size.
5997         (Output_relaxed_input_section): New class definition.
5998         (Output_section::Simple_input_section): New class definition.
5999         (Output_section::get_input_sections): Adjust parameter list.
6000         (Output_section::add_input_section_for_script): Same.
6001         (Output_section::save_states, Output_section::restore_states,
6002         Output_section::do_address_and_file_offset_have_reset_values,
6003         (Output_section::Input_section::Input_section): Handle
6004         RELAXED_INPUT_SECTION_CODE.  Add new overload for
6005         Output_relaxed_input_section.
6006         (Output_section::Input_section::is_input_section,
6007         Output_section::Input_section::set_output_section): Handle relaxed
6008         input section.
6009         (Output_section::Input_section::is_relaxed_input_section,
6010         Output_section::Input_section::output_section_data,
6011         Output_section::Input_section::relaxed_input_section): New method
6012         definitions.
6013         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
6014         value.
6015         (Output_section::Input_section::u1_): Update comments.
6016         (Output_section::Input_section::u2_): Add new union member poris.
6017         (Output_section::Checkpoint_output_section): New classs definition.
6018         (Output_section::relax_input_section): New method declaration.
6019         (Output_section::checkpoint_): New data member.
6020         (Output_segment): Update comments.
6021         (Output_segment::Output_segment): Un-privatize copy constructor.
6022         (Output_segment::operator=): Un-privatize.
6023         * script-sections.cc (Output_section_element::Input_section_list):
6024         Change element type to Output_section::Simple_input_section.
6025         (Output_section_element_dot_assignment::set_section_addresses):
6026         Register output section data for relaxation clean up.
6027         (Output_data_exression::Output_data_expression): Adjust call to base
6028         constructor to fix data size.
6029         (Output_section_element_data::set_section_addresses): Register
6030         Output_data_expression object for relaxation clean up.
6031         (struct Input_section_info): Replace Relobj pointer and section index
6032         pair with Output_section::Simple_input_section and Convert struct to a
6033         class.
6034         (Input_section_sorter::operator()): Adjust access to
6035         Input_section_info data member to use accessors.
6036         (Output_section_element_input::set_section_addresses): Use layout
6037         parameter.  Adjust code to use Output_section::Simple_input_section
6038         and Input_secction_info classes.  Register filler for relaxation
6039         clean up.
6040         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
6041         and section index pair with Output_section::Simple_input_section
6042         class.  Adjust code accordingly.
6043         (Phdrs_element::release_segment): New method definition.
6044         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
6045         segment list.
6046         (Script_sections::release_segments): New method definition.
6047         * gold/script-sections.h (Script_sections::release_segments): New
6048         method declaration.
6049         * gold/target.h (Target::may_relax, Target::relax,
6050         Target::do_may_relax, Target::do_relax): New method definitions.
6051
6052 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6053
6054         * arm.cc (has_signed_unsigned_overflow): New function.
6055         (Arm_relocate_functions::abs8): New function.
6056         (Target_arm::Scan::local): Handle R_ARM_ABS8.
6057         (Target_arm::Scan::global): Likewise.
6058         (Target_arm::relocate::relocate): Likewise.
6059         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6060         Likewise.
6061
6062 2009-09-16  Cary Coutant  <ccoutant@google.com>
6063
6064         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
6065         * testsuite/Makefile.in: Regenerate.
6066
6067 2009-09-11  Nick Clifton  <nickc@redhat.com>
6068
6069         * po/gold.pot: Updated by the Translation project.
6070
6071 2009-09-08  Cary Coutant  <ccoutant@google.com>
6072
6073         * output.cc (Output_file::open): Add execute permission to empty file.
6074         * testsuite/Makefile.am (permission_test): New test.
6075         * testsuite/Makefile.in: Regenerate.
6076
6077 2009-09-02  Ian Lance Taylor  <iant@google.com>
6078
6079         * output.cc (Output_file::resize): Call map_no_anonymous rather
6080         than map.
6081
6082 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
6083
6084         * gold.cc: Include "incremental.h".
6085         (queue_initial_tasks): Call Incremental_checker methods.
6086         * incremental.cc: Include "output.h".
6087         (Incremental_checker::can_incrementally_link_output_file): New
6088         method.
6089         * incremental.h (Incremental_checker): New class.
6090
6091         * output.cc (Output_file::open_for_modification): New method.
6092         (Output_file::map_anonymous): Changed return type to bool.  Record
6093         map in base_ field.
6094         (Output_file::map_no_anonymous): New method, broken out of map.
6095         (Output_file::map): Use map_no_anonymous and map_anonymous.
6096         * output.h (class Output_file): Update declarations.
6097
6098 2009-08-24  Cary Coutant  <ccoutant@google.com>
6099
6100         * options.h (Command_line::Pre_options): New class.
6101         (Command_line::pre_options): New member.
6102         * options.cc (gold::options::ready_to_register): New variable.
6103         (One_option::register_option): Do nothing if not registering options.
6104         Assert if same short option registered twice.
6105         (General_options::General_options): Turn off option registration when
6106         done constructing.
6107         (Command_line::Pre_options::Pre_options): New constructor.
6108
6109 2009-08-24  Cary Coutant  <ccoutant@google.com>
6110
6111         * options.h (General_options::no_keep_memory): Remove incorrect
6112         short option.
6113
6114 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6115
6116         * Makefile.am (am__skiplex, am__skipyacc): New.
6117         * Makefile.in: Regenerate.
6118
6119 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6120
6121         * Makefile.am (AM_CPPFLAGS): Renamed from ...
6122         (INCLUDES): ... this.
6123         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
6124         (AM_CPPFLAGS): Renamed from ...
6125         (INCLUDE): ... this.
6126         * Makefile.in, testsuite/Makefile.in: Regenerate.
6127
6128         * Makefile.in: Regenerate.
6129         * aclocal.m4: Likewise.
6130         * config.in: Likewise.
6131         * configure: Likewise.
6132         * testsuite/Makefile.in: Likewise.
6133
6134         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6135         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6136         * Makefile.in: Regenerate.
6137         * testsuite/Makefile.in: Regenerate.
6138
6139 2009-08-19  Cary Coutant  <ccoutant@google.com>
6140
6141         * resolve.cc (Symbol_table::resolve): Don't complain about defined
6142         symbols in shared libraries overridden by hidden or internal symbols
6143         in the main program.
6144
6145 2009-08-19  Chris Demetriou  <cgd@google.com>
6146
6147         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
6148         checking source file names in error messages.
6149
6150 2009-08-18  Doug Kwan  <dougkwan@google.com>
6151
6152         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
6153         an elcpp::Ehdr as parameter.  Adjust call to set_target.
6154         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
6155         an elfcpp::Ehdr as parameter.
6156         * object.cc (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.  Adjust call to set_target.
6160         (make_elf_sized_object): Find target and ask target to
6161         make an ELF object.
6162         * object.h: (Object::set_target): Remove the version that looks up
6163         a target and sets it.
6164         (Sized_relobj::setup): Take a Target object instead of
6165         an elfcpp:Ehdr as parameter.
6166         * target.cc: Include dynobj.h.
6167         (Target::do_make_elf_object_implementation): New.
6168         (Target::do_make_elf_object): New.
6169         * target.h (Target::make_elf_object): New template declaration.
6170         (Target::do_make_elf_object): New method declarations.
6171         (Target::do_make_elf_object_implementation): New template declaration.
6172
6173 2009-08-14  Ian Lance Taylor  <iant@google.com>
6174
6175         * gold.h (FUNCTION_NAME): Define.
6176         (gold_unreachable): Use FUNCTION_NAME.
6177
6178 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6179
6180         * icf.cc (Icf::find_identical_sections): Issue a warning when a
6181         symbol in the --keep-unique list is not found.
6182
6183 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6184
6185         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
6186         been maked as --keep-unique.
6187         (Icf::unfold_section): New function.
6188         * icf.h (Icf::unfold_section): New function.
6189         * options.h (General_options::keep_unique): New option.
6190         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
6191         * testsuite/Makefile.in: Regenerate.
6192         * testsuite/icf_keep_unique_test.sh: New file.
6193         * testsuite/icf_keep_unique_test.cc: New file.
6194
6195 2009-08-12  Cary Coutant  <ccoutant@google.com>
6196
6197         PR 10471
6198         * resolve.cc (Symbol_table::resolve): Check for references from
6199         dynamic objects to hidden and internal symbols.
6200         * testsuite/Makefile.am (hidden_test.sh): New test.
6201         * testsuite/Makefile.in: Regenerate.
6202         * testsuite/hidden_test.sh: New script.
6203         * testsuite/hidden_test_1.c: New test source.
6204         * testsuite/hidden_test_main.c: New test source.
6205
6206 2009-08-11  Doug Kwan  <dougkwan@google.com>
6207
6208         * arm.cc: Update comments.
6209         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
6210         segment to locate the .ARM.exidx section if present.
6211
6212 2009-08-09  Doug Kwan  <dougkwan@google.com>
6213
6214         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
6215         patch.
6216
6217 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
6218         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
6219         compiler warnings.
6220
6221 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
6222
6223         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
6224         valid tls_segment only for non-debug-section relocations.
6225         * testsuite/Makefile.am: Add gc_tls_test.
6226         * testsuite/Makefile.in: Regenerate.
6227         * testsuite/gc_tls_test.cc: New file.
6228         * testsuite/gc_tls_test.sh: New file.
6229
6230 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
6231
6232         * icf.cc: New file.
6233         * icf.h: New file.
6234         * Makefile.am (CCFILES): Add icf.cc.
6235         (HFILES): Add icf.h
6236         * Makefile.in: Regenerate.
6237         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
6238         * gc.h (gc_process_relocs): Populate lists used by icf to contain
6239         section, symbol and addend information for the relocs.
6240         * gold.cc (queue_middle_tasks): Call identical code folding.
6241         * gold.h: Add defines for multimap.
6242         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
6243         to the call of finalize_local_symbols.
6244         * main.cc (main): Create object of class Icf.
6245         * object.cc (Sized_relobj::do_layout): Allow this function to be
6246         called twice during icf.
6247         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
6248         to sections marked as identical by icf.
6249         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
6250         when available.
6251         (Sized_relobj::do_section_entsize): New function.
6252         * object.h (Object::section_entsize): New function.
6253         (Object::do_section_entsize): New pure virtual function.
6254         (Relobj::finalize_local_symbols): Add new parameter.
6255         (Relobj::do_section_entsize): New function.
6256         * options.h (General_options::icf): New option.
6257         (General_options::icf_iterations): New option.
6258         (General_options::print_icf_sections): New option.
6259         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
6260         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
6261         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
6262         icf.
6263         * symtab.cc (Symbol_table::is_section_folded): New function.
6264         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6265         to sections marked as identical by icf.
6266         * symtab.h (Symbol_table::set_icf): New function.
6267         (Symbol_table::icf): New function.
6268         (Symbol_table::is_section_folded): New function.
6269         (Symbol_table::icf_): New data member.
6270         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6271         * testsuite/Makefile.am: Add commands to build icf_test.
6272         * testsuite/Makefile.in: Regenerate.
6273         * testsuite/icf_test.sh: New file.
6274         * testsuite/icf_test.cc: New file.
6275
6276 2009-07-24  Chris Demetriou  <cgd@google.com>
6277
6278         * layout.cc (is_compressible_debug_section): Fix incorrect
6279         comment about compressed section names.
6280
6281 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6282
6283         PR 10419
6284         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6285
6286 2009-07-16  Ian Lance Taylor  <iant@google.com>
6287
6288         PR 10400
6289         * layout.h: #include <map>.
6290         (class Kept_section): Change from struct to class.  Add accessors
6291         and setters.  Add section size to Comdat_group mapping.  Change
6292         Comdat_group to std::map.  Add is_comdat_ field.  Add
6293         linkonce_size field in union.
6294         (class Layout): Update declaration of find_or_add_kept_section.
6295         Don't declare find_kept_object.
6296         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6297         parameter.  Add object, shndx, is_comdat, and is_group_name
6298         parameters.  Change all callers.  Adjust for new Kept_section.
6299         (Layout::find_kept_object): Remove.
6300         * object.cc (Sized_relobj::include_section_group): Update use of
6301         Kept_section.  Rename secnum to shndx.  Only record
6302         Kept_comdat_section if sections are the same size.
6303         (Sized_relobj::include_linkonce_section): Update use of
6304         Kept_section.  Only record Kept_comdat_section if sections are the
6305         same size.  Set size of linkonce section.
6306         (Sized_relobj::map_to_kept_section): Update call to
6307         get_kept_comdat_section.
6308         * object.h (class Sized_relobj): Rename fields in
6309         Kept_comdat_section to drop trailing underscores; change object
6310         field to Relobj*.  Change Kept_comdat_section_table to store
6311         struct rather than pointer.
6312         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6313         Add kept_object and kept_shndx parameters.  Change all callers.
6314         (Sized_relobj::get_kept_comdat_section): Change return type to
6315         bool.  Add kept_object and kept_shndx parameters.  Change all
6316         callers.
6317         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6318         Layout::find_or_add_kept_section.
6319
6320 2009-07-09  Ian Lance Taylor  <iant@google.com>
6321
6322         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6323         Reserve space in the hash table.
6324
6325 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6326
6327         * fileread.cc (File_read::get_mtime): New method.
6328         * fileread.h (Timespec): New structure.
6329         (File_read::get_mtime): New method.
6330         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6331         Renamed from timestamp_nsec.
6332         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6333         Elf_Xword.
6334         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6335         timestamp_nsec.
6336         (Incremental_inputs::report_archive): Save mtime; style fix.
6337         (Incremental_inputs::report_obejct): Save mtime; style fix.
6338         (Incremental_inputs::report_script): Save mtime; style fix.
6339         (Incremental_inputs::finalize_inputs): Style fix.
6340         (Incremental_inputs::finalize): Style fix.
6341         (Incremental_inputs::create_input_section_data): Store inputs
6342         mtime.
6343         * incremental.h (Incremental_inputs::report_script): Add mtime
6344         argument.
6345         (Incremental_inputs::Input_info::Input_info): Intialize only one
6346         union member.
6347         (Incremental_inputs::Input_info::archive): Move to nameless
6348         union.
6349         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6350         (Incremental_inputs::Input_info::script): Move to nameless union.
6351         (Incremental_inputs::mtime): New field.
6352         * script.cc (read_input_script): Pass file mtime to
6353         Incremental_input.
6354         * script.h (Script_info::inputs): Style fix.
6355
6356 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6357
6358         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6359         instead of 32.
6360
6361 2009-06-24  Ian Lance Taylor  <iant@google.com>
6362
6363         PR 10156
6364         * layout.cc (Layout::choose_output_section): If we find an
6365         existing section, update the flags.
6366         (Layout::create_notes): New function, broken out of
6367         Layout::finalize.
6368         (Layout::finalize): Don't create note sections.
6369         (Layout::create_note): Don't crash if linker script discards
6370         section.
6371         (Layout::create_gold_note): Likewise.
6372         (Layout::create_build_id): Likewise.  Don't set
6373         after_input_sections on the section.
6374         (Layout::create_executable_stack_info): Remove target parameter.
6375         Change caller.
6376         * layout.h (class Layout): Declare create_notes.  Update
6377         declaration of create_executable_stack_info.
6378         * gold.cc (queue_middle_tasks): Call create_notes.
6379         * output.cc (Output_section::update_flags_for_input_section): Move
6380         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6381         invalid.
6382         * output.h (Output_data::mark_address_invalid): New function.
6383         (class Output_section): Only declare, not define,
6384         update_flags_for_input_section.  Remove set_flags.
6385
6386 2009-06-24  Ian Lance Taylor  <iant@google.com>
6387
6388         * script-sections.cc (Output_section_definition::
6389         set_section_addresses): Rename shadowing local load_address to
6390         laddr.
6391
6392 2009-06-24  Ian Lance Taylor  <iant@google.com>
6393
6394         PR 10244
6395         * reloc.cc (relocate_sections): Skip empty relocation sections.
6396
6397 2009-06-23  Ian Lance Taylor  <iant@google.com>
6398
6399         PR 10156
6400         * layout.cc (Layout::create_note): Use choose_output_section
6401         rather than make_output_section.
6402
6403 2009-06-23  Ian Lance Taylor  <iant@google.com>
6404
6405         PR 10237
6406         * options.cc (General_options::parse_V): Set printed_version_.
6407         (General_options::General_options): Initialize printed_version_.
6408         * options.h (class General_options): Add printed_version_ field.
6409         * gold.cc (queue_initial_tasks): If there are no input files,
6410         don't give a fatal error if we printed the version information.
6411         (queue_middle_tasks): If using -r with a shared object, give a
6412         fatal error rather than an ordinary error.
6413
6414 2009-06-23  Ian Lance Taylor  <iant@google.com>
6415
6416         PR 10219
6417         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6418         (Layout::make_output_section): Set have_stabstr_section_ if we see
6419         a .stab*str section.
6420         (Layout::finalize): Call link_stabs_sections.
6421         (Layout::link_stabs_sections): New file.
6422         * layout.h (class Layout): Add have_stabstr_section_ field.
6423         Declare link_stabs_sections.
6424
6425 2009-06-23  Doug Kwan  <dougkwan@google.com>
6426
6427         * Makefile.am (libgold_a_LIBADD): New.
6428         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6429         * Makefile.in: Regenerate.
6430         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6431         * configure: Regenerate.
6432         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6433         * fileread.cc: Include sys/state.h
6434         * gold.h: Declare memmem and strndup if found missing.
6435         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6436
6437 2009-06-23  Ian Lance Taylor  <iant@google.com>
6438
6439         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6440         * configure: Rebuild.
6441
6442 2009-06-23  Ian Lance Taylor  <iant@google.com>
6443
6444         PR 10147
6445         * object.cc (Object::section_contents): Don't try to get a view if
6446         the section has length zero.
6447         (Object::handle_gnu_warning_section): If the section is empty, use
6448         the name of the section as the warning.
6449
6450 2009-06-23  Ian Lance Taylor  <iant@google.com>
6451
6452         PR 10133
6453         * stringpool.h (class Stringpool_template): Add optimize_ field.
6454         (Stringpool_template::set_optimize): New function.
6455         * stringpool.cc (Stringpool_template::Stringpool_template):
6456         Initialize optimize_ field.
6457         (Stringpool_template::set_string_offsets): Test local optimize
6458         fild rather than parameter.
6459         * layout.cc (Layout::Layout): Call set_optimize on the section
6460         name stringpool.
6461
6462 2009-06-22  Ian Lance Taylor  <iant@google.com>
6463
6464         PR 10030
6465         * yyscript.y: Parse TARGET.
6466         * script.cc (script_set_target): New function.
6467         * script-c.h (script_set_target): Declare.
6468         * options.cc (General_options::string_to_object_format): Rename
6469         from string_to_object_format in anonymous namespace.  Change
6470         callers.
6471         * options.h (class General_options): Declare
6472         string_to_object_format.
6473
6474 2009-06-22  Ian Lance Taylor  <iant@google.com>
6475
6476         * script-sections.cc (Script_sections::create_segments): Don't put
6477         program headers in a PT_LOAD segment if -n or -N.
6478
6479 2009-06-22  Ian Lance Taylor  <iant@google.com>
6480
6481         PR 10141
6482         * options.h (class General_options): Add -z lazy and -z now.  Sort
6483         -z options into alphabetical order.
6484         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6485
6486 2009-06-21  Ian Lance Taylor  <iant@google.com>
6487
6488         * layout.cc (Layout::make_output_section): Call
6489         Target::new_output_section.
6490         (Layout::attach_allocated_section_to_segment): Put large section
6491         sections in a separate load segment with the large segment flag
6492         set.
6493         (Layout::segment_precedes): Sort large data segments after other
6494         load segments.
6495         (align_file_offset): New static function.
6496         (Layout::set_segment_offsets): Use align_file_offset.
6497         * output.h (class Output_section): Add is_small_section_ and
6498         is_large_section_ fields.
6499         (Output_section::is_small_section): New function.
6500         (Output_section::set_is_small_section):  New function.
6501         (Output_section::is_large_section): New function.
6502         (Output_section::set_is_large_section): New function.
6503         (Output_section::is_large_data_section): New function.
6504         (class Output_segment): Add is_large_data_segment_ field.
6505         (Output_segment::is_large_data_segment): New function.
6506         (Output_segment::set_is_large_data_segment): New function.
6507         * output.cc (Output_section::Output_section): Initialize new
6508         fields.
6509         (Output_segment::Output_segment): Likewise.
6510         (Output_segment::add_output_section): Add assertion that large
6511         data sections always go in large data segments.  Force small data
6512         sections to the end of the list of data sections.  Force small BSS
6513         sections to the start of the list of BSS sections.  For large BSS
6514         sections to the end of the list of BSS sections.
6515         * symtab.h (class Symbol): Declare is_common_shndx.
6516         (Symbol::is_defined): Check Symbol::is_common_shndx.
6517         (Symbol::is_common): Likewise.
6518         (class Symbol_table): Define enum Commons_section_type.  Update
6519         declarations.  Add small_commons_ and large_commons_ fields.
6520         * symtab.cc (Symbol::is_common_shndx): New function.
6521         (Symbol_table::Symbol_table): Initialize new fields.
6522         (Symbol_table::add_from_object): Put small and large common
6523         symbols in the right list.
6524         (Symbol_table::sized_finalized_symbol): Check
6525         Symbol::is_common_shndx.
6526         (Symbol_table::sized_write_globals): Likewise.
6527         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6528         common symbol lists.  Don't call do_allocate_commons_list if the
6529         list is empty.
6530         (Symbol_table::do_allocate_commons_list): Remove is_tls
6531         parameter.  Add comons_section_type parameter.  Change all
6532         callers.  Handle small and large common symbols.
6533         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6534         Symbol::is_common_shndx.
6535         * resolve.cc (symbol_to_bits): Likewise.
6536         * target.h (Target::small_common_shndx): New function.
6537         (Target::small_common_section_flags): New function.
6538         (Target::large_common_shndx): New function.
6539         (Target::large_common_section_flags): New function.
6540         (Target::new_output_section): New function.
6541         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6542         small_common_section_flags, and large_common_section_flags
6543         fields.
6544         (Target::do_new_output_section): New virtual function.
6545         * arm.cc (Target_arm::arm_info): Initialize new fields.
6546         * i386.cc (Target_i386::i386_info): Likewise.
6547         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6548         Likewise.
6549         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6550         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6551         (Target_x86_64::do_new_output_section): New function.
6552         * configure.ac: Define conditional MCMODEL_MEDIUM.
6553         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6554         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6555         (large_LDFLAGS): Define.
6556         * testsuite/large.c: New file.
6557         * testsuite/testfile.cc (Target_test::test_target_info):
6558         Initialize new fields.
6559         * configure, testsuite/Makefile.in: Rebuild.
6560
6561 2009-06-05  Doug Kwan  <dougkwan@google.com>
6562
6563         * Makefile.am (CCFILES): Add target.cc.
6564         * Makefile.in: Regenerate.
6565         * i386.cc (class Target_i386): Define new virtual method to
6566         override do_is_local_label_name in parent.
6567         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6568         local symbols if --discard-locals or -X is given.
6569         * options.h (class General_options): Declare new options
6570         '--discard-locals' and '-X' for discarding locals.
6571         * target.h (class Target): Define new methods is_local_label_name.
6572         Declare new virtual method do_is_local_label_name.
6573         * target.cc: New file.
6574         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6575         (check_SCRIPTS): Add discard_locals_test.sh.
6576         (check_DATA): Add discard_local_tests.syms.
6577         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6578         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6579         * testsuite/Makefile.in: Regenerate.
6580         * testsuite/discard_locals_test.c: New file.
6581         * testsuite/discard_locals_test.sh: Same.
6582
6583 2009-06-05  Doug Kwan  <dougkwan@google.com>
6584
6585         * object.cc (Sized_relobj::Sized_relobj): Initialize
6586         discarded_eh_frame_shndx_ to -1U.
6587         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6588         section.
6589         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6590         a discarded .eh_frame section.
6591         (Sized_relobj::do_finalize_local_symbols): Ditto.
6592         * object.h (class Sized_relobj): Declare new member
6593         discarded_eh_frame_shndx_.
6594         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6595         (local_labels_test.o, local_labels_test): New rules.
6596         * testsuite/Makefile.in: Regenerate.
6597
6598 2009-06-04  Doug Kwan  <dougkwan@google.com>
6599
6600         * layout.cc (Layout::section_name_mapping): Add mapping for
6601         special ARM sections.
6602
6603 2009-06-03  Doug Kwan  <dougkwan@google.com>
6604
6605         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6606         (utils::has_overflow): Same.
6607
6608 2009-06-03  Ian Lance Taylor  <iant@google.com>
6609
6610         * layout.cc (Layout::section_name_mapping): New array, replacing
6611         Layout::linkonce_mapping.
6612         (Layout::section_name_mapping_count): New variable, replacing
6613         Layout::linkonce_mapping_count.
6614         (Layout::linkonce_output_name): Remove.
6615         (Layout::output_section_name): Rewrite.
6616         * layout.h (class Layout): Rename Linkonce_mapping to
6617         Section_name_mapping, linkonce_mapping to section_name_mapping,
6618         linkonce_mapping_count to section_name_mapping_count.  Don't
6619         declare linkonce_output_name.
6620
6621 2009-06-03  Doug Kwan  <dougkwan@google.com>
6622
6623         * gold/arm.cc (namespace utils): New.
6624         (Target_arm::reloc_is_non_pic): Define new method.
6625         (class Arm_relocate_functions): New.
6626         (Target_arm::Relocate::relocate): Handle relocation types used by
6627         Android.
6628
6629 2009-06-03  Ian Lance Taylor  <iant@google.com>
6630
6631         * arm.cc (Target_arm::scan::global): Use || instead of |.
6632
6633 2009-06-02  Doug Kwan  <dougkwan@google.com>
6634
6635         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6636         issued_non_pic_error_.
6637         (class Target_arm::Scan): Declare new method check_non_pic.
6638         Define new method symbol_needs_plt_entry.
6639         Declare new data member issued_non_pic_error_.
6640         (class Target_arm::Relocate): Declare new method
6641         should_apply_static_reloc.
6642         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6643         (Target_arm::Scan::check_non_pic): Define new method.
6644         (Target_arm::Scan::local): Handle a small subset of reloc types used
6645         by Android.
6646         (Target_arm::Scan::local): Same.
6647         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6648
6649 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6650
6651         * incremental.cc (Incremental_inputs::report_command_line): Filter
6652         out --incremental-* options.
6653
6654 2009-05-29  Doug Kwan  <dougkwan@google.com>
6655
6656         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6657         template class.
6658         (class Target_arm): Update comment.
6659         (Target_arm::Target_arm): Initialize new data members GOT_,
6660         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6661         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6662         and Target_arm::rel_dyn_section.
6663         Declare new_enum Target_arm::Got_type.
6664         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6665         and DYNBSS_.
6666         Update commments for member do_dynsym_value.
6667         (Target_arm::got_size, Target_arm::plt_section,
6668         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6669         new methods inside class defintion.
6670         (Target_arm::got_section): Define new method.
6671         (Target_arm::rel_dyn_section): Same.
6672         (Output_data_plt_arm): New template class.
6673         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6674         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6675         (Output_data_plt_arm::add_entry): Same.
6676         (Output_data_plt_arm::first_plt_entry): Define new
6677         static data member for PLT instruction template.
6678         (Output_data_plt_arm::plt_entry): Same.
6679         (Output_data_plt_arm::do_write): Define new method.
6680         (Target_arm::make_plt_entry): Same.
6681         (Target_arm::do_finalize_sections): Same.
6682         (Target_arm::do_dynsym_value): Same.
6683
6684 2009-05-28  Doug Kwan  <dougkwan@google.com>
6685
6686         * Makefile.am (TARGETSOURCES): Add arm.cc.
6687         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6688         * Makefile.in: Regenerate.
6689         * arm.cc: New file.
6690         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6691
6692 2009-05-26  Doug Kwan  <dougkwan@google.com>
6693
6694         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6695         (General_options::check_excluded_libs): Strip off directories in
6696         archive name before matching like GNU ld does.
6697         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6698         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6699         (exclude_libs_test_LDFLAGS): Add linker option
6700         -Wl,--exclude-libs,libexclude_libs_test_3
6701         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6702         an explicit archive without using -l.
6703         (alt/libexclude_libs_test_3.a): New make rule.
6704         * testsuite/Makefile.in: Regenerate.
6705         * testsuite/exclude_libs_test.c : Declare lib3_default().
6706         (main): Call it.
6707         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6708         * exclude_libs_test_3.c: New file.
6709
6710 2009-05-26  Nick Clifton  <nickc@redhat.com>
6711
6712         * po/id.po: New Indonesian translation.
6713         * po/gold.pot: Updated template file.
6714
6715 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6716
6717         * testsuite/Makefile.am: Add -ffunction-sections to compile
6718         gc_comdat_test files.  Add -Wl,--gc-sections to build
6719         gc_comdat_test.
6720         * testsuite/Makefile.in: Regenerate.
6721         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6722
6723 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6724
6725         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6726         kept comdat section was garbage collected.
6727         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6728         * testsuite/Makefile.in: Regenerate.
6729         * testsuite/gc_comdat_test.sh: New file.
6730         * testsuite/gc_comdat_test_1.cc: New file.
6731         * testsuite/gc_comdat_test_2.cc: New file.
6732
6733 2009-05-19  Doug Kwan  <dougkwan@google.com>
6734
6735         * archive.cc (Archive::Archive): Move constructor from archive.h
6736         to here.  Initialize no_export_.
6737         (Archive::get_elf_object_for_member): Set no_export flag of object.
6738         * archive.h (Archive::Archive): Move constructor body to
6739         archive.cc.
6740         (Archive::no_export): New method.
6741         (Archive::no_export_): New field.
6742         * object.h (Object::Object): Initialize no_export_ to false.
6743         (Object::no_export, Object::set_no_export): New methods.
6744         (Object::no_export_): New field.
6745         * options.cc (General_options::parse_exclude_libs): New method.
6746         (General_options::check_excluded_libs) Same.
6747         * options.h (exclude_libs): New option.
6748         (General_options::check_excluded_libs): New method declaration.
6749         (General_options::excluded_libs_): New field.
6750         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6751         default or protected visibility if an object has no-export flag set.
6752         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6753         (check_SCRIPTS): Add exclude_libs_test.sh.
6754         (check_DATA): Add exclude_libs_test.syms.
6755         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6756         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6757         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6758         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6759         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6760         libexclude_libs_test_2.a): New rules.
6761         * testsuite/Makefile.in: Regenerate.
6762         * testsuite/exclude_libs_test.c: New file.
6763         * testsuite/exclude_libs_test.sh: Ditto.
6764         * testsuite/exclude_libs_test_1.c: Ditto.
6765         * testsuite/exclude_libs_test_2.c: Ditto.
6766
6767 2009-05-15  Ian Lance Taylor  <iant@google.com>
6768
6769         * configure.ac: Check for declarations for cases where libiberty.h
6770         checks HAVE_DECL_xxx.
6771         * configure, config.in: Rebuild.
6772
6773 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6774
6775         * gold.h (Incremental_argument_list): Remove (invalid) forward
6776         declaration.
6777         * incremental.cc (Incremental_inputs::report_achive): New method.
6778         (Incremental_inputs::report_object): New method.
6779         (Incremental_inputs::report_script): New method.
6780         (Incremental_inputs::finalize_inputs): New method.
6781         (Incremental_inputs::finalize): Call finalize_inputs().
6782         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6783         Create inputs entries.
6784         * incremental.h (Incremental_input_type): New enum.
6785         (Incremental_inputs::Incremental_input): Initialize new fields.
6786         (Incremental_inputs::report_inputs): New method.
6787         (Incremental_inputs::report_achive): New method.
6788         (Incremental_inputs::report_object): New method.
6789         (Incremental_inputs::report_script): New method.
6790         (Incremental_inputs::finalize_inputs): New method.
6791         (Incremental_inputs::Input_info): New struct.
6792         (Incremental_inputs::Input_info_map): New typedef.
6793         (Incremental_inputs::lock_): New field.
6794         (Incremental_inputs::Inputs_): New field.
6795         (Incremental_inputs::Inputs_map): New field.
6796         * main.cc (main): Call Incremental_input::report_inputs.
6797         * options.h (Input_argument_list): Typedef moved from
6798         Input_arguments.
6799         (Input_file_group::Files): Remove, use ::Input_argument_list.
6800         (Input_file_group::Input_argument_list): Remove, use
6801         ::Input_argument_list.
6802         * plugin.cc (Plugin_manager::add_input_file): Add error in
6803         incremental build.
6804         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6805         functions.
6806         * script.cc (read_input_script): Call
6807         Incremental_input::report_script.
6808         * script.h (Script_info): New class.
6809
6810 2009-04-27  Ian Lance Taylor  <iant@google.com>
6811
6812         * x86_64.cc (do_adjust_output_section): Set entsize to
6813         plt_entry_size.
6814
6815 2009-04-23  Elliott Hughes  <enh@google.com>
6816
6817         * output.cc (Output_file::close): After short writes, continue
6818         writing from the correct offset in the buffer being written.
6819
6820 2009-04-23  Chris Demetriou  <cgd@google.com>
6821
6822         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6823         * configure: Regenerate.
6824         * config.in: Regenerate.
6825         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6826         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6827
6828 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6829
6830         * incremental.cc (Incremental_inputs_header_data): Renamed from
6831         Incremental_input_header_data.
6832         (Incremental_inputs_header_data::data_size): New field.
6833         (Incremental_inputs_header_data::put_input_file_count): Renamed
6834         from input_file_count.
6835         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6836         from command_line_offset.
6837         (Incremental_inputs_header_data::put_reserved): Renamed from
6838         put_reserved.
6839         (Incremental_inputs_entry_data): Renamed from
6840         Incremental_input_entry_data.
6841         (Incremental_inputs_entry_data::data_size): New field.
6842         (Incremental_inputs::report_command_line): New method.
6843         (Incremental_inputs::finalize): New method.
6844         (Incremental_inputs::create_incremental_inputs_data): New method.
6845         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6846         * incremental.h: New file.
6847         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6848        (Layout::finalize): Create incremental inputs section in
6849         incremental builds.
6850        (Layout::create_incremental_info_sections): New method.
6851         * layout.h (Layout::incremental_inputs): New method.
6852        (Layout::create_incremental_info_sections): New method.
6853        (Layout::incremental_inputs_): New field.
6854         * main.cc (main): Notify Incremental_input of the command line.
6855
6856 2009-04-01  Ian Lance Taylor  <iant@google.com>
6857             Mikolaj Zalewski  <mikolajz@google.com>
6858
6859         * gold.h (reserve_unordered_map): Define, three versions, one for
6860         each version of Unordered_map.
6861         * layout.cc (Layout::Layout): Remove options parameter.  Add
6862         number_of_input_files parameter.  Don't initialize options_.
6863         Initialize number_of_input_files_ and resized_signatures_.  Move
6864         sections_are_attached_.
6865         (Layout::layout_group): Reserve space for group_signatures_.
6866         (Layout::find_or_add_kept_section): Change name parameter to be a
6867         reference.  Resize signatures_ map when it gets large enough.
6868         (Layout::layout_eh_frame): Use parameters->options() instead of
6869         this->options_.
6870         (Layout::make_output_section): Likewise.
6871         (Layout::attach_allocated_section_to_segment): Likewise.
6872         (Layout::finalize, Layout::create_executable_stack): Likewise.
6873         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6874         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6875         * layout.h (class Layout): Update declarations.  Remove options_
6876         field.  Add number_of_input_files_ and resized_signatures_
6877         fields.  Move sections_are_attached_ field.
6878         * main.cc (main): Pass number of input files to Layout
6879         constructor.  Don't pass options.
6880
6881 2009-03-30  Ian Lance Taylor  <iant@google.com>
6882
6883         * ffsll.c (ffsll): Correct implementation.
6884
6885 2009-03-27  Ian Lance Taylor  <iant@google.com>
6886
6887         * ffsll.c: New file.
6888         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6889         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6890         * ftruncate.c (ftruncate): Declare before definition.
6891         * mremap.c (mremap): Likewise.
6892         * pread.c (pread): Likewise.
6893         * configure, Makefile.in, config.in: Rebuild.
6894
6895         * mremap.c: New file.
6896         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6897         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6898         (mremap): Declare if HAVE_MREMAP is not defined.
6899         * configure, Makefile.in, config.in: Rebuild.
6900
6901 2009-03-27  Cary Coutant  <ccoutant@google.com>
6902
6903         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6904         position independent.
6905         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6906         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6907
6908 2009-03-24  Cary Coutant  <ccoutant@google.com>
6909
6910         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6911         an executable.
6912         (needs_dynamic_reloc): Likewise.
6913
6914 2009-03-24  Ian Lance Taylor  <iant@google.com>
6915
6916         * yyscript.y (file_cmd): Recognize EXTERN.
6917         (extern_name_list, extern_name_list_body): New nonterminals.
6918         * script.cc (script_add_extern): Define.
6919         * script-c.h (script_add_extern): Declare.
6920
6921 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6922
6923         * object.cc (is_elf_object): Define.
6924         * object.h (is_elf_object): Declare.
6925         * archive.cc (Archive::get_elf_object_for_member): Call
6926         is_elf_object.
6927         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6928
6929 2009-03-24  Elliott Hughes  <enh@google.com>
6930
6931         * output.cc (Output_file::map_anonymous): Define.
6932         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6933         try an anonymous one.  Report the size if the mmap fails.
6934         * output.h (class Output_file): Declare map_anonymous.
6935
6936 2009-03-24  Ian Lance Taylor  <iant@google.com>
6937
6938         * target-select.cc (instantiate_target): Don't acquire the lock if
6939         the instantiated_target_ field has already been set.
6940
6941 2009-03-23  Ian Lance Taylor  <iant@google.com>
6942
6943         * gold-threads.h (class Initialize_lock): Define.
6944         * gold-threads.cc (class Initialize_lock_once): Define.
6945         (initialize_lock_control): New static variable.
6946         (initialize_lock_pointer): New static variable.
6947         (initialize_lock_once): New static function.
6948         (Initialize_lock::Initialize_lock): Define.
6949         (Initialize_lock::initialize): Define.
6950         * target-select.h: Include "gold-threads.h".
6951         (class Target_selector): Add lock_ and initialize_lock_ fields.
6952         Don't define instantiate_target, just declare it.
6953         * target-select.cc (Target_selector::Target_selector): Initialize
6954         new fields.
6955         (Target_selector::instantiate_target): Define.
6956         * descriptors.h: Include "gold-threads.h".
6957         (class Descriptors): Add initialize_lock_ field.
6958         * descriptors.cc (Descriptors::Descriptors): Initialize new
6959         field.
6960         (Descriptors::open): Use initialize_lock_ field
6961         * errors.h (class Errors): Add initialize_lock_ field.
6962         * errors.cc (Errors::Errors): Initialize new field.
6963         (Errors::initialize_lock): Use initialize_lock_ field.
6964         * powerpc.cc (class Target_selector_powerpc): Remove
6965         instantiated_target_ field.  In do_recognize call
6966         instantiate_target rather than do_instantiate_target.  In
6967         do_instantiate_target just allocate a new target.
6968         * sparc.cc (class Target_selector_sparc): Likewise.
6969
6970         * freebsd.h: New file.
6971         * i386.cc: Include "freebsd.h".
6972         (Target_i386): Derive from Target_freebsd rather than
6973         Sized_target.
6974         (Target_selector_i386): Derive from Target_selector_freebsd rather
6975         than Target_selector.
6976         * x86_64.cc: Include "freebsd.h".
6977         (Target_x86_64): Derive from Target_freebsd rather than
6978         Sized_target.
6979         (Target_selector_x86_64): Derive from Target_selector_freebsd
6980         rather than Target_selector.
6981         * target.h (class Target): Add adjust_elf_header and
6982         do_adjust_elf_header.
6983         * output.cc (Output_file_header:: do_sized_write): Call target
6984         adjust_elf_header routine.
6985         * configure.tgt: Set targ_osabi.
6986         * configure.ac: Define GOLD_DEFAULT_OSABI.
6987         * parameters.cc (Parameters::default_target): Pass
6988         GOLD_DEFAULT_OSABI to select_target.
6989         * target-select.h (class Target_selector): Make instantiate_target
6990         protected rather than private.
6991         * Makefile.am (HFILES): Add freebsd.h.
6992         * configure, Makefile.in, config.in: Rebuild.
6993
6994         * merge.cc (do_add_input_section): Correct pend value.  Change
6995         message about last entry not being null terminated from error to
6996         warning.
6997
6998 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6999
7000         * incremental.cc: New file.
7001         * Makefile.am (CCFILES): Add incremental.cc.
7002         * Makefile.in: Rebuild.
7003
7004 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
7005
7006         * layout.cc (Layout::output_section_name): Preserve names
7007         of '.note.' sections.
7008
7009 2009-03-19  Ian Lance Taylor  <iant@google.com>
7010
7011         * descriptors.cc (Descriptors::open): Check that the options are
7012         valid before using them.
7013
7014 2009-03-18  Ian Lance Taylor  <iant@google.com>
7015
7016         * script-sections.h: Include <list>.
7017         (class Script_sections): Change Sections_elements from std::vector
7018         to std::list.  Typedef public Elements_iterator.  Add
7019         orphan_section_placement_, data_segment_align_start_, and
7020         saw_data_segment_align_ fields.  Remove data_segment_align_index_
7021         field.
7022         * script-sections.cc (class Orphan_section_placement): New class.
7023         (class Sections_element): Add virtual functions is_relro and
7024         orphan_section_init.  Remove virtual function place_orphan_here.
7025         (class Output_section_definition): Add is_relro and
7026         orphan_section_init.  Remove place_orphan_here.
7027         (class Orphan_output_section): Likewise.
7028         (Script_sections::Script_sections): Update for field changes.
7029         (Script_sections::data_segment_align): Set saw_data_segment_align_
7030         and data_segment_align_start_, not data_segment_align_index.
7031         (Script_sections::data_segment_relro_end): Check
7032         saw_data_segment_align_.  Use data_segment_align_start_ rather
7033         than data_segment_align_index_.
7034         (Script_sections::place_orphan): Rewrite to use
7035         Orphan_section_placement.
7036
7037 2009-03-17  Ian Lance Taylor  <iant@google.com>
7038
7039         * archive.cc (Archive::add_symbols): Check for a version attached
7040         to the symbol name in the archive map.
7041         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
7042         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
7043         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
7044         (ver_test_11.a): New target.
7045         * testsuite/Makefile.in: Rebuild.
7046
7047         * configure.ac: Check for chsize and posix_fallocate.  Replace
7048         ftruncate.
7049         * ftruncate.c: New file, from gnulib.
7050         * output.cc (posix_fallocate): Define dummy version if not
7051         HAVE_POSIX_FALLOCATE.
7052         (Output_file::map): Call posix_fallocate rather than lseek and
7053         write.
7054         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
7055         * configure, Makefile.in, config.in: Rebuild.
7056
7057 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
7058
7059         * layout.h (Layout::create_note): Add section_name parameter.
7060         * layout.cc (Layout::create_note): Likewise.
7061         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
7062
7063 2009-03-17  Ian Lance Taylor  <iant@google.com>
7064
7065         * descriptors.cc: Include "options.h".
7066         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
7067         (Descriptors::open): Always use O_CLOEXEC when opening a new
7068         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
7069         then set FD_CLOEXEC.
7070
7071         * sparc.cc (class Target_sparc): Add has_got_section.
7072         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
7073         make sure we have a GOT section.
7074
7075         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
7076         (Target_sparc::Scan::local): Likewise.
7077         (Target_sparc::Scan::global): Likewise.
7078         (Target_sparc::Relocate::relocate): Likewise.
7079         (Target_sparc::Relocate::relocate_tls): Likewise.
7080
7081         * symtab.cc (Symbol_table::define_default_version): New function,
7082         broken out of add_from_object.
7083         (Symbol_table::add_from_object): Call define_default_version.
7084         (Symbol_table::define_special_symbol): Add resolve_oldsym
7085         parameter.  Change all callers.  If the version for a symbol comes
7086         from a version script, resolve it with the symbol with the same
7087         name with no version.  Also add the symbol without a version if
7088         appropriate.
7089         (do_define_in_output_data): If resolving with oldsym, don't delete
7090         sym.
7091         (do_define_in_output_segment): Likewise.
7092         (do_define_as_constant): Likewise.
7093         * symtab.h (class Symbol_table): Update declarations.
7094
7095 2009-03-13  Ian Lance Taylor  <iant@google.com>
7096
7097         * readsyms.cc (Read_symbols::incompatible_warning): New function.
7098         (Read_symbols::requeue): New function.
7099         (Read_symbols::do_read_symbols): If make_elf_object fails because
7100         the target type is not configured, and the file was searched for,
7101         issue a warning and retry with the next directory.
7102         (Add_symbols::run): If the file has an incompatible format, and
7103         it was searched for, requeue the Read_symbols task.  On error,
7104         release the object.
7105         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
7106         dirindex parameter to constructor.  Change all callers.  Declare
7107         incompatible_warning and requeue.
7108         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
7109         input_argument_ and input_group_ fields.  Add them to
7110         constructor.  Change all callers.
7111         (class Read_script): Add dirindex_ field.  Add it to constructor.
7112         Change all callers.
7113         * archive.cc (Archive::setup): Remove input_objects parameter.
7114         Change all callers.
7115         (Archive::get_file_and_offset): Likewise.
7116         (Archive::read_all_symbols): Likewise.
7117         (Archive::read_symbols): Likewise.
7118         (Archive::get_elf_object_for_member): Remove input_objects
7119         parameter.  Add punconfigured parameter.  Change all callers.
7120         (Archive::add_symbols): Change return type to bool.  Check return
7121         value of include_member.
7122         (Archive::include_all_members): Likewise.
7123         (Archive::include_member): Change return type to bool.  Return
7124         false if first included object has incompatible target.  Set
7125         included_member_ field.
7126         (Add_archive_symbols::run): If add_symbols returns false, requeue
7127         Read_symbols task.
7128         * archive.h (class Archive): Add included_member_ field.
7129         Initialize it in constructor.  Add input_file and searched_for
7130         methods.  Update declarations.
7131         (class Add_archive_symbols): Add dirpath_, dirindex_, and
7132         input_argument_ fields.  Add them to constructor.  Change all
7133         callers.
7134         * script.cc: Include "target-select.h".
7135         (class Parser_closure): Add skip_on_incompatible_target_ and
7136         found_incompatible_target_ fields.  Add
7137         skip_on_incompatible_target parameter to constructor.  Change all
7138         callers.  Add methods skip_on_incompatible_target,
7139         clear_skip_on_incompatible_target, found_incompatible_target, and
7140         set_found_incompatible_target.
7141         (read_input_script): Add dirindex parameter.  Change all callers.
7142         If parser finds an incompatible target, requeue Read_symbols
7143         task.
7144         (script_set_symbol): Clear skip_on_incompatible_target in
7145         closure.
7146         (script_add_assertion, script_parse_option): Likewise.
7147         (script_start_sections, script_add_phdr): Likewise.
7148         (script_check_output_format): New function.
7149         * script.h (read_input_script): Update declaration.
7150         * script-c.h (script_check_output_format): Declare.
7151         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
7152         (ignore_cmd): Remove OUTPUT_FORMAT.
7153         * fileread.cc (Input_file::Input_file): Add explicit this.
7154         (Input_file::will_search_for): New function.
7155         (Input_file::open): Add pindex parameter.  Change all callers.
7156         * fileread.h (class Input_file): Add input_file_argument method.
7157         Declare will_search_for.  Update declarations.
7158         * object.cc (make_elf_object): Add punconfigured parameter.
7159         Change all callers.
7160         * object.h (class Object): Make input_file public.  Add
7161         searched_for method.
7162         (make_elf_object): Update declaration.
7163         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
7164         restart search.
7165         * dirsearch.h (class Dirsearch): Update declaration.
7166         * options.h (class General_options): Add --warn-search-mismatch.
7167         * parameters.cc (Parameters::is_compatible_target): New function.
7168         * parameters.h (class Parameters): Declare is_compatible_target.
7169         * workqueue.cc (Workqueue::add_blocker): New function.
7170         * workqueue.h (class Workqueue): Declare add_blocker.
7171
7172         * fileread.cc (Input_file::open): Remove options parameter.
7173         Change all callers.
7174         (Input_file::open_binary): Likewise.
7175         * script.cc (read_input_script): Likewise.
7176         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
7177         options parameter from constructor.  Change all callers.
7178         (class Read_script): Likewise.
7179         * fileread.h (class Input_file): Update declarations.
7180         * script.h (read_input_script): Update declaration.
7181
7182 2009-03-10  Nick Clifton  <nickc@redhat.com>
7183
7184         * po/es.po: New Spanish translation.
7185
7186 2009-03-06  Cary Coutant  <ccoutant@google.com>
7187
7188         * options.cc (parse_short_option): Keep dash_z from registering itself.
7189
7190 2009-03-03  Ian Lance Taylor  <iant@google.com>
7191
7192         PR 9918
7193         * target-reloc.h (relocate_section): Pass output_section to
7194         relocate.
7195         * i386.cc (Target_i386::should_apply_static_reloc): Add
7196         output_section parameter.  Change all callers.
7197         (Target_i386::Relocate::relocate): Add output_section parameter.
7198         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7199         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
7200         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
7201         * testsuite/two_file_shared.sh: New script.
7202         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
7203         (check_DATA): Add two_file_shared.dbg.
7204         (two_file_shared.dbg): New target.
7205         * testsuite/Makefile.in: Rebuild.
7206
7207 2009-03-01  Ian Lance Taylor  <iant@google.com>
7208
7209         * configure.ac: Check for byteswap.h.
7210         * configure: Rebuild.
7211         * config.in: Rebuild.
7212
7213 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
7214
7215         * layout.cc (Layout::find_or_add_kept_section): New function.
7216         (Layout::add_comdat): Removed.
7217         * layout.h (struct Kept_section): Move out of class Layout.
7218         Remove trailing underscores from field names.  Add group_sections
7219         field.  Rename group_ field to is_group.  Change all uses.
7220         (class Layout): Declare find_or_add_kept_section, not add_comdat.
7221         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
7222         comdat_groups_ field.
7223         (Sized_relobj::include_section_group): Use
7224         find_or_add_kept_section and Kept_section::group_sections.
7225         (Sized_relobj::include_linkonce_section): Likewise.
7226         * object.cc (class Sized_relobj): Don't define Comdat_group or
7227         Comdat_group_table.  Remove find_comdat_group and
7228         add_comdat_group.  Remove comdat_groups_ field.
7229         * plugin.cc (include_comdat_group): Use
7230         Layout::find_or_add_kept_section.
7231
7232 2009-02-28  Ian Lance Taylor  <iant@google.com>
7233
7234         * README: --gc-sections and map files are now supported.  Document
7235         some build requirements.
7236
7237         PR 6992
7238         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
7239         relocatable link set the value of the section symbol to zero.
7240         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7241         relocatable link don't include the section address in the local
7242         symbol value.
7243
7244 2009-02-27  Ian Lance Taylor  <iant@google.com>
7245
7246         PR 6811
7247         * options.h (class Search_directory): Add is_system_directory.
7248         (class General_options): Declare is_in_system_directory.
7249         * options.cc (get_relative_sysroot): Make static.
7250         (get_default_sysroot): Make static.
7251         (General_optoins::is_in_system_directory): New function.
7252         * fileread.cc (Input_file::is_in_system_directory): New function.
7253         * fileread.h (class Input_file): Declare is_in_system_directory.
7254         * object.h (class Object): Add is_in_system_directory.
7255         (class Input_objects): Remove system_library_directory_ field.
7256         * object.cc (Input_objects::add_object): Don't set
7257         system_library_directory_.
7258         (input_objects::found_in_system_library_directory): Remove.
7259         * symtab.cc (Symbol_table::write_globals): Remove input_objects
7260         parameter.  Change all callers.
7261         (Symbol_table::sized_write_globals): Likewise.
7262         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
7263         Call Object::is_in_system_directory.
7264         * symtab.h (class Symbol_table): Update declarations.
7265
7266         PR 5990
7267         * descriptors.h (Open_descriptor): Add is_on_stack field.
7268         * descriptors.cc (Descriptors::open): If the descriptor is on the
7269         top of the stack, remove it.  Initialize is_on_stack field.
7270         (Descriptors::release): Only add pod to stack if it is not on the
7271         stack already.
7272         (Descriptors::close_some_descriptor): Clear stack_next and
7273         is_on_stack fields.
7274
7275         PR 7091
7276         * output.cc (Output_section::find_starting_output_address): Rename
7277         from starting_output_address; add PADDR parameter; change return
7278         type.
7279         * output.h (class Output_section): Declare
7280         find_starting_output_address instead of starting_output_address.
7281         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7282         section symbol for which we can't find a merge section.
7283
7284         PR 9836
7285         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7286         hidden or internal, force the symbol to be local.
7287         * resolve.cc (Symbol::override_visibility): Define.
7288         (Symbol::override_base): Use override_visibility.
7289         (Symbol_table::resolve): Likewise.
7290         (Symbol::override_base_with_special): Likewise.
7291         (Symbol_table::override_with_special): If the visibility is hidden
7292         or internal, force the symbol to be local.
7293         * symtab.h (class Symbol): Add set_visibility and
7294         override_visibility.
7295         * testsuite/ver_test_1.sh: New file.
7296         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7297         (check_DATA): Add ver_test_1.syms.
7298         (ver_test_1.syms): New target.
7299         * testsuite/Makefile.in: Rebuild.
7300
7301 2009-02-25  Cary Coutant  <ccoutant@google.com>
7302
7303         * layout.cc (Layout::choose_output_section): Don't rename sections
7304         when using a linker script that has a SECTIONS clause.
7305         * Makefile.in: Regenerate.
7306
7307         * testsuite/Makefile.am (script_test_5.sh): New test case.
7308         * testsuite/Makefile.in: Regenerate.
7309         * testsuite/script_test_5.cc: New file.
7310         * testsuite/script_test_5.sh: New file.
7311         * testsuite/script_test_5.t: New file.
7312
7313 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7314
7315         * archive.cc (Archive::include_member): Update calls to add_symbols.
7316         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7317         the Layout argument.
7318         * dynobj.h (do_add_symbols): Add the Layout argument.
7319         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7320         Layout argument.
7321         * object.h (Object::add_symbols): Add the Layout argument.
7322         (Object::do_add_symbols): Add the Layout argument.
7323         (Sized_relobj::do_add_symbols): Add the Layout argument.
7324         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7325         Unify the two versions.
7326         (Add_plugin_symbols): Remove.
7327         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7328         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7329         (Add_plugin_symbols): Remove.
7330         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7331         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7332         (Add_symbols::run): Make it work with Pulginobj.
7333
7334 2009-02-06  Ian Lance Taylor  <iant@google.com>
7335
7336         * object.cc (Sized_relobj::do_layout): Make info message start
7337         with lower case letter.
7338
7339 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7340
7341         * binary.cc: Fix file comment.
7342
7343         * options.h (enum Incremental_disposition): Define.
7344         (class General_options): Add new options: --incremental,
7345         --incremental_changed, --incremental_unchanged,
7346         --incremental_unknown.  Add incremental_disposition_ and
7347         implicit_incremental_ fields.
7348         (General_options::incremental_disposition): New function.
7349         (class Position_dependent_options): Add incremental_disposition
7350         option.
7351         (Position_dependent_options::copy_from_options): Set incremental
7352         dispositions.
7353         * options.cc (General_options::parse_incremental_changed): New
7354         function.
7355         (General_options::parse_incremental_unchanged): New function.
7356         (General_options::parse_incremental_unknown): New function.
7357         (General_options::General_options): Initialize new fields
7358         incremental_disposition_ and implicit_incremental_.
7359         (General_options::finalize): Check for uasge of --incremental-*
7360         without --incremental.
7361
7362 2009-02-06  Chris Demetriou  <cgd@google.com>
7363
7364         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7365         pointer and to report location as the file name associated with
7366         the symbol.
7367         (gold_undefined_symbol_at_location): New function to replace the
7368         old gold_undefined_symbol functionality.
7369         * target-reloc.h (relocate_section): Update to use
7370         gold_undefined_symbol_at_location.
7371         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7372         Call gold_undefined_symbol function rather than gold_error.
7373         * errors.h (Errors::undefined_symbol): Take location as a
7374         string, rather than calculating it from a relocation.
7375         * errors.cc (Errors::fatal): Print "fatal error:" before the
7376         formatted message.
7377         (Errors::error, Errors::error_at_location): Print "error: "
7378         before the formatted message.
7379         (Errors::undefined_symbol): Take location as a string, rather
7380         than calculating it from a relocation.
7381         (gold_undefined_symbol_at_location): New function akin to
7382         old gold_undefined_symbol, calculates location from relocation.
7383         (gold_undefined_symbol): Change to take only a Symbol pointer
7384         and to report location as the file name associated with the symbol.
7385         * testsuite/debug_msg.sh: Update for changed error messages.
7386         * testsuite/undef_symbol.sh: Likewise.
7387
7388 2009-02-04  Duncan Sands  <baldrick@free.fr>
7389
7390         PR 9812
7391         * reduced_debug_output.h
7392         (Output_reduced_debug_abbrev_section::failed): Use format for
7393         gold_warning.
7394         (Output_reduced_debug_info_section::faild): Likewise.
7395
7396 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7397
7398         * script.cc (Lazy_demangler): New class.
7399         (Version_script_info::get_symbol_version_helper): Demangle a
7400         symbol only once.
7401
7402 2009-01-29  Cary Coutant  <ccoutant@google.com>
7403
7404         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7405         to __tls_get_addr.
7406         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7407
7408 2009-01-28  Ian Lance Taylor  <iant@google.com>
7409
7410         * version.cc (version_string): Bump to 1.9.
7411
7412         * gold.h: Include <cstring> and <stdint.h>.
7413         * version.cc: Include <cstdio>.
7414         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7415         warning.
7416         * reduced_debug_output.cc (insert_into_vector): Rename from
7417         Insert_into_vector; change all callers.  Use Swap_unaligned to
7418         avoid aliasing issue; remove union since it is unnecessary.
7419
7420 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7421
7422         * Makefile.am (CCFILES): Add gc.cc.
7423         (HFILES): Add gc.h.
7424         * Makefile.in: Regenerate.
7425         * gold.cc (Gc_runner): New class.
7426         (queue_initial_tasks): Call garbage collection related tasks
7427         when corresponding options are invoked.
7428         (queue_middle_gc_tasks): New function.
7429         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7430         processed early before laying out sections during garbage collection.
7431         * gold.h (queue_middle_gc_tasks): New function.
7432         (is_prefix_of): Move from "layout.cc".
7433         * i386.cc (Target_i386::gc_process_relocs): New function.
7434         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7435         * main.cc (main): Create object of class "Garbage_collection".
7436         * object.cc (Relobj::copy_symbols_data): New function.
7437         (Relobj::is_section_name_included): New function.
7438         (Sized_relobj::do_layout): Allow this function to be called twice
7439         during garbage collection and defer layout of section during the
7440         first call.
7441         * object.h (Relobj::get_symbols_data): New function.
7442         (Relobj::is_section_name_included): New function.
7443         (Relobj::copy_symbols_data): New function.
7444         (Relobj::set_symbols_data): New function.
7445         (Relobj::get_relocs_data): New function.
7446         (Relobj::set_relocs_data): New function.
7447         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7448         (Relobj::gc_process_relocs): New function.
7449         (Relobj::do_gc_process_relocs): New pure virtual function.
7450         (Relobj::sd_): New data member.
7451         (Sized_relobj::is_output_section_offset_invalid): New function.
7452         (Sized_relobj::do_gc_process_relocs): New function.
7453         * options.h (General_options::gc_sections): Modify to not be a no-op.
7454         (General_options::print_gc_sections): New option.
7455         * plugin.cc (Plugin_finish::run): Remove function call to
7456         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7457         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7458         * reloc.cc (Read_relocs::run): Add task to process relocs and
7459         determine unreferenced sections when doing garbage collection.
7460         (Gc_process_relocs): New class.
7461         (Sized_relobj::do_gc_process_relocs): New function.
7462         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7463         sections that are garbage collected.
7464         * reloc.h (Gc_process_relocs): New class.
7465         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7466         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7467         symbols whose corresponding sections are garbage collected.
7468         (Symbol_table::Symbol_table): Add new parameter for the garbage
7469         collection object.
7470         (Symbol_table::gc_mark_undef_symbols): New function.
7471         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7472         (Symbol_table::gc_mark_dyn_syms): New function.
7473         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7474         as garbage.
7475         (Symbol_table::add_from_object): Likewise.
7476         (Symbol_table::add_from_relobj): When building shared objects, do not
7477         treat externally visible symbols as garbage.
7478         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7479         table information for static and relocatable links.
7480         * symtab.h (Symbol_table::set_gc): New function.
7481         (Symbol_table::gc): New function.
7482         (Symbol_table::gc_mark_undef_symbols): New function.
7483         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7484         (Symbol_table::gc_mark_dyn_syms): New function.
7485         (Symbol_table::gc_): New data member.
7486         * target.h (Sized_target::gc_process_relocs): New pure virtual
7487         function.
7488         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7489         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7490
7491 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7492
7493         * options.h (General_options::gc_sections): Define as a no-op for now.
7494         (General_options::no_keep_memory): Ditto.
7495         (General_options::Bshareable): Define.
7496         * options.cc (General_options::finalize): Honor -Bshareable.
7497
7498 2009-01-20  Andreas Schwab  <schwab@suse.de>
7499
7500         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7501         read the value in the contents, since we don't use it.  Use the
7502         template endianness when writing.
7503         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7504
7505 2009-01-19  Andreas Schwab  <schwab@suse.de>
7506
7507         * configure.tgt (powerpc64-*): Fix targ_obj.
7508
7509 2009-01-15  Ian Lance Taylor  <iant@google.com>
7510
7511         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7512         local symbols when stripping all symbols.
7513
7514 2009-01-14  Cary Coutant  <ccoutant@google.com>
7515
7516         * output.cc (Output_reloc): Add explicit instantiations.
7517
7518 2009-01-14  Cary Coutant  <ccoutant@google.com>
7519
7520         * archive.cc (Archive::get_elf_object_for_member): Remove call
7521         to File_read::claim_for_plugin.
7522         * descriptors.cc (Descriptors::open): Remove reference to
7523         is_claimed.
7524         (Descriptors::claim_for_plugin): Remove.
7525         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7526         (Descriptors::is_claimed): Remove.
7527         (claim_descriptor_for_plugin): Remove.
7528         * fileread.cc (File_read::claim_for_plugin): Remove.
7529         * fileread.h (File_read::claim_for_plugin): Remove.
7530         (File_read::descriptor): Reopen descriptor if necessary.
7531         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7532         (Plugin_manager::all_symbols_read): Add task parameter. Change
7533         all callers.
7534         (Plugin_manager::get_input_file): New function.
7535         (Plugin_manager::release_input_file): New function.
7536         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7537         corresponding data member.
7538         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7539         and pass to base constructor. Change all callers.
7540         (get_input_file, release_input_file): New functions.
7541         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7542         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7543         (Plugin_manager::all_symbols_read): Add task parameter.
7544         (Plugin_manager::get_input_file): New function.
7545         (Plugin_manager::release_input_file): New function.
7546         (Plugin_manager::task_): New data member.
7547         (Pluginobj::Pluginobj): Add filesize parameter.
7548         (Pluginobj::filename): New function.
7549         (Pluginobj::descriptor): New function.
7550         (Pluginobj::filesize): New function.
7551         (Pluginobj::filesize_): New data member.
7552         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7553         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7554         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7555
7556         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7557         with archive libraries.
7558         * testsuite/Makefile.in: Regenerate.
7559         * testsuite/plugin_test.c (struct sym_info): New type.
7560         (get_input_file, release_input_file): New static variables.
7561         (onload): Capture new transfer vector entries.
7562         (claim_file_hook): Stop reading at end of file according to filesize.
7563         Factor out parsing of readelf output into separate function.
7564         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7565         APIs and get the source file name from the symbol table.  Convert
7566         source file name to corresponding object file name.  Print info
7567         message when adding new input files.
7568         (parse_readelf_line): New function.
7569         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7570         * testsuite/plugin_test_2.sh: Likewise.
7571         * testsuite/plugin_test_3.sh: Likewise.
7572         * testsuite/plugin_test_4.sh: New test case.
7573
7574 2009-01-07  Ian Lance Taylor  <iant@google.com>
7575
7576         * version.cc (version_string): Bump to 1.8.
7577
7578 2008-12-23  Cary Coutant  <ccoutant@google.com>
7579
7580         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7581         * plugin.cc (Plugin_manager::finish): Rename as
7582         layout_deferred_objects.  Move cleanup to separate function.
7583         (Plugin_manager::cleanup): New function.
7584         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7585         separately.
7586         * plugin.h (Plugin_manager::finish): Rename as
7587         layout_deferred_objects.
7588         (Plugin_manager::cleanup): New function.
7589         (Plugin_manager::cleanup_done): New field.
7590
7591 2008-12-23  Cary Coutant  <ccoutant@google.com>
7592
7593         * plugin.cc (is_visible_from_outside): New function.
7594         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7595         so we don't return "IR only" status for exported symbols or -r links.
7596
7597         * testsuite/Makefile.am (plugin_test_3): New test case.
7598         * testsuite/Makefile.in: Regenerate.
7599         * testsuite/plugin_test_3.sh: New file.
7600
7601 2008-12-22  Cary Coutant  <ccoutant@google.com>
7602
7603         * object.cc (Sized_relobj::layout_section): New function.
7604         (Sized_relobj::do_layout): Defer layout of input sections until after
7605         plugin has provided replacement files.
7606         (Sized_relobj::do_layout_deferred_sections): New function.
7607         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7608         (Relobj::layout_deferred_sections): New function.
7609         (Relobj::do_layout_deferred_sections): New function.
7610         (Sized_relobj::do_layout_deferred_sections): New function.
7611         (Sized_relobj::layout_section): New function.
7612         (Sized_relobj::Deferred_layout): New structure.
7613         (Sized_relobj::deferred_layout_): New field.
7614         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7615         Change all callers.  Layout deferred sections.
7616         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7617         references.
7618         (Plugin_hook::run): Move code from do_plugin_hook inline.
7619         (Plugin_hook::do_plugin_hook): Remove.
7620         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7621         (Plugin_manager::finish): Renamed, was cleanup.
7622         (Plugin_manager::should_defer_layout): New function.
7623         (Plugin_manager::add_deferred_layout_object): New function.
7624         (Plugin_manager::Deferred_layout_list): New type.
7625         (Plugin_manager::deferred_layout_objects_): New field.
7626         (Plugin_hook::do_plugin_hook): Remove.
7627
7628 2008-12-17  Ian Lance Taylor  <iant@google.com>
7629
7630         * options.h (class General_options): Add --no case for
7631         --export-dynamic.
7632
7633 2008-12-16  Cary Coutant  <ccoutant@google.com>
7634
7635         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7636         vector.
7637         (Plugin_manager::claim_file): Create plugin object even if
7638         plugin did not call the add_symbols callback.
7639         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7640         asking for more symbols than were added.
7641         * testsuite/Makefile.am (plugin_test_1): Add test case with
7642         no global symbols.
7643         (empty.syms): New target.
7644         * testsuite/Makefile.in: Regenerate.
7645         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7646         message. Don't call add_symbols if no globals.
7647         (all_symbols_read_hook): Don't provide replacement for empty
7648         claimed file.
7649
7650 2008-12-12  Ian Lance Taylor  <iant@google.com>
7651
7652         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7653         r_type == 0 for a local symbol with r_sym == 0.
7654         (scan_relocatable_relocs): Pass r_sym to
7655         local_non_section_strategy.
7656         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7657         r_sym parameter.
7658
7659         * configure.ac: Update test for TLS descriptors: they are
7660         supported as of glibc 2.9.
7661         * configure: Rebuild.
7662
7663 2008-12-11  Ian Lance Taylor  <iant@google.com>
7664
7665         PR 7091
7666         * target-reloc.h (Default_scan_relocatable_relocs): For each
7667         function, map r_type == 0 to RELOC_DISCARD.
7668
7669 2008-12-10  Cary Coutant  <ccoutant@google.com>
7670
7671         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7672         object to override a kept COMDAT group from a plugin object.
7673
7674 2008-12-09  Ian Lance Taylor  <iant@google.com>
7675
7676         PR 7088
7677         * yyscript.y (file_cmd): Handle INPUT.
7678
7679         * testsuite/initpri1.c: Change all declarations to be full
7680         prototypes by adding void, to avoid compiler warnings.
7681
7682 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7683
7684         * options.cc (General_options::parse_plugin_opt): New.
7685         (General_options::add_plugin): The argument now is just the filename.
7686         (General_options::add_plugin_option): New.
7687         * options.h (plugin_opt): New.
7688         (add_plugin): Change argument name.
7689         (add_plugin_option): New.
7690         * plugin.cc (Plugin::load): Don't parse the plugin option.
7691         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7692         (Plugin::add_option): New.
7693         (Plugin::args_): Change type.
7694         (Plugin::filename_): New.
7695         (Plugin_manager::add_plugin_option): New.
7696         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7697         * testsuite/Makefile.in: Regenerate.
7698
7699 2008-12-05  Cary Coutant  <ccoutant@google.com>
7700
7701         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7702         Handle --strip-lto-sections option.
7703         * options.h (strip_lto_sections): New option.
7704
7705 2008-12-01  Cary Coutant  <ccoutant@google.com>
7706
7707         * plugin.cc (ld_plugin_message): Change format parameter to const.
7708         Fix mismatch between new[] and delete.
7709
7710 2008-11-14  Cary Coutant  <ccoutant@google.com>
7711
7712         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7713         instead of -1U.
7714
7715 2008-11-05  Craig Silverstein  <csilvers@google.com>
7716
7717         * options.cc (General_options::parse_dynamic_list): New function.
7718         * options.h (General_options): New flags dynamic_list,
7719         dynamic_list_data, dynamic_list_cpp_new, and
7720         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7721         (General_options::in_dynamic_list): New function.
7722         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7723         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7724         (Lex::can_continue_name): Likewise.
7725         (yylex): Likewise.
7726         (read_script_file): New parameter script_options.
7727         (read_dynamic_list): New function.
7728         (Script_options::define_dynamic_list): New function.
7729         (dynamic_list_keyword_parsecodes): New variable.
7730         (dynamic_list_keywords): New variable.
7731         * script.h (Script_options::define_dynamic_list): New function
7732         prototype.
7733         (read_dynamic_list): New function prototype.
7734         * symtab.cc (strprefix): New macro.
7735         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7736         dynamic_list_data, dynamic_list_cpp_new, and
7737         dynamic_list_cpp_typeinfo.
7738         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7739         (dynamic_list_expr): New rule.
7740         (dynamic_list_nodes): Likewise.
7741         (dynamic_list_node): Likewise.
7742         * testsuite/Makefile.am (dynamic_list): New test.
7743         * testsuite/Makefile.in: Regenerated.
7744         * testsuite/dynamic_list.t: New file.
7745         * testsuite/dynamic_list.sh: New file.
7746
7747 2008-11-05  Craig Silverstein  <csilvers@google.com>
7748
7749         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7750         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7751         (t11_last): Likewise.
7752         * testsuite/ver_test_6.c (main): Likewise.
7753
7754 2008-10-07  Cary Coutant  <ccoutant@google.com>
7755
7756         * options.c (General_options::finalize): Add check for -static and
7757         -shared.
7758         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7759         is not empty.
7760
7761 2008-10-02  Cary Coutant  <ccoutant@google.com>
7762
7763         * plugin.cc (make_sized_plugin_object): Fix conditional
7764         compilation to work when not all targets are enabled.
7765
7766 2008-09-29  Cary Coutant  <ccoutant@google.com>
7767
7768         * archive.cc (Archive::get_file_and_offset): Use filename instead
7769         of name to get library path.
7770         (Archive::include_member): Unlock external member of a thin archive.
7771
7772         * testsuite/Makefile.am (TEST_AR): New variable.
7773         (thin_archive_test_1): New test.
7774         (thin_archive_test_2): New test.
7775         * testsuite/Makefile.in: Regenerate.
7776         * testsuite/thin_archive_main.cc: New file.
7777         * testsuite/thin_archive_test_1.cc: New file.
7778         * testsuite/thin_archive_test_2.cc: New file.
7779         * testsuite/thin_archive_test_3.cc: New file.
7780         * testsuite/thin_archive_test_4.cc: New file.
7781
7782 2008-09-29  Cary Coutant  <ccoutant@google.com>
7783
7784         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7785         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7786         instead of -1U.
7787         (Sized_relobj::do_finalize_local_symbols): Likewise.
7788         (Sized_relobj::map_to_kept_section): Likewise.
7789         * object.h (Sized_relobj::invalid_address): New constant.
7790         (Sized_relobj::do_output_section_offset): Check for invalid_address
7791         and return -1ULL.
7792         * output.cc (Output_reloc::local_section_offset): Use constant
7793         invalid_address instead of -1U.
7794         (Output_reloc::get_address): Likewise.
7795         (Output_section::output_address): Change -1U to -1ULL.
7796         * output.h (Output_reloc::invalid_address): New constant.
7797         * reloc.cc (Sized_relobj::write_sections): Use constant
7798         invalid_address instead of -1U.
7799         (Sized_relobj::relocate_sections): Likewise.
7800         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7801         values for merge sections.
7802         * target-reloc.h (relocate_for_relocatable): Use constant
7803         invalid_address instead of -1U.
7804
7805 2008-09-19  Cary Coutant  <ccoutant@google.com>
7806
7807         Add plugin functionality for link-time optimization (LTO).
7808         * configure.ac (plugins): Add --enable-plugins option.
7809         * configure: Regenerate.
7810         * config.in: Regenerate.
7811         * Makefile.am (LIBDL): New variable.
7812         (CCFILES): Add plugin.cc.
7813         (HFILES): Add plugin.h.
7814         (ldadd_var): Add LIBDL.
7815         * Makefile.in: Regenerate.
7816
7817         * archive.cc: Include "plugin.h".
7818         (Archive::setup): Don't preread archive symbols when using a plugin.
7819         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7820         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7821         files.
7822         (Archive::include_member): Add symbols from plugin objects.
7823         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7824         * descriptors.cc (Descriptors::open): Check for file descriptors
7825         abandoned by plugins.
7826         (Descriptors::claim_for_plugin): New function.
7827         * descriptors.h (Descriptors::claim_for_plugin): New function.
7828         (Open_descriptor::is_claimed): New field.
7829         (claim_descriptor_for_plugin): New function.
7830         * fileread.cc (File_read::claim_for_plugin): New function.
7831         * fileread.h (File_read::claim_for_plugin): New function.
7832         (File_read::descriptor): New function.
7833         * gold.cc: Include "plugin.h".
7834         (queue_initial_tasks): Add task to call plugin hooks for generating
7835         new object files.
7836         * main.cc: Include "plugin.h".
7837         (main): Load plugin libraries.
7838         * object.h (Pluginobj): Declare.
7839         (Object::pluginobj): New function.
7840         (Object::do_pluginobj): New function.
7841         (Object::set_target): New function.
7842         * options.cc: Include "plugin.h".
7843         (General_options::parse_plugin): New function.
7844         (General_options::General_options): Initialize plugins_ field.
7845         (General_options::add_plugin): New function.
7846         * options.h (Plugin_manager): Declare.
7847         (General_options): Add --plugin option.
7848         (General_options::has_plugins): New function.
7849         (General_options::plugins): New function.
7850         (General_options::add_plugin): New function.
7851         (General_options::plugins_): New field.
7852         * plugin.cc: New file.
7853         * plugin.h: New file.
7854         * readsyms.cc: Include "plugin.h".
7855         (Read_symbols::do_read_symbols): Check for archive before checking
7856         for ELF file.  Call plugin hooks to claim files.
7857         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7858         from a real object file; force override when processing replacement
7859         files.
7860         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7861         (Symbol::init_base_object): Likewise.
7862         (Symbol::init_base_output_data): Likewise.
7863         (Symbol::init_base_output_segment): Likewise.
7864         (Symbol::init_base_constant): Likewise.
7865         (Symbol::init_base_undefined): Likewise.
7866         (Symbol::output_section): Assert that object is not a plugin.
7867         (Symbol_table::add_from_pluginobj): New function.
7868         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7869         undefined.
7870         (Symbol_table::sized_write_globals): Likewise.
7871         (Symbol_table::add_from_pluginobj): Instantiate template.
7872         * symtab.h (Sized_pluginobj): Declare.
7873         (Symbol::in_real_elf): New function.
7874         (Symbol::set_in_real_elf): New function.
7875         (Symbol::in_real_elf_): New field.
7876         (Symbol_table::add_from_pluginobj): New function.
7877
7878         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7879         (LIBDL): New variable.
7880         (LDADD): Add LIBDL.
7881         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7882         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7883         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7884         (MOSTLYCLEANFILES): Likewise.
7885         * testsuite/Makefile.in: Regenerate.
7886         * testsuite/plugin_test.c: New file.
7887         * testsuite/plugin_test_1.sh: New file.
7888         * testsuite/plugin_test_2.sh: New file.
7889
7890 2008-09-16  Ian Lance Taylor  <iant@google.com>
7891
7892         * target-reloc.h (relocate_section): Check whether a symbol is
7893         defined by the ABI before reporting an undefined symbol error.
7894         * target.h (Target::is_defined_by_abi): Make parameter const.
7895         (Target::do_is_defined_by_abi): Likewise.
7896         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7897         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7898         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7899         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7900         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7901         * testsuite/Makefile.in: Rebuild.
7902
7903         * fileread.cc (make_view): Add casts to avoid warning.
7904
7905 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7906
7907         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7908         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7909
7910 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7911
7912         * options.h (General_options::output_is_executable): New.
7913         (General_options::output_is_pie): New.
7914         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7915         for shared libraries.
7916         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7917
7918 2008-09-11  Chris Demetriou  <cgd@google.com>
7919
7920         * options.h (origin): New -z option.
7921         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7922         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7923         in DT_FLAGS_1.
7924
7925 2008-09-05  Cary Coutant  <ccoutant@google.com>
7926
7927         * fileread.cc (File_read::make_view): Add check for attempt to map
7928         beyond end of file.
7929
7930 2008-09-05  Cary Coutant  <ccoutant@google.com>
7931
7932         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7933         explicit instantiations.
7934
7935 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7936
7937         PR gold/6858
7938         * options.cc (General_options::finalize): Allow undefined symbols
7939         in shlibs if linking -shared.
7940
7941         PR gold/6859
7942         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7943         symbols as not needing a dynsym entry.
7944
7945 2008-08-20  Craig Silverstein  <csilvers@google.com>
7946
7947         * fileread.cc (File_read::open): Do not lock the file unless it
7948         was successfully opened.
7949
7950 2008-08-14  Cary Coutant  <ccoutant@google.com>
7951
7952         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7953         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7954         * testsuite/tls_test.cc (struct int128): 128-bit struct
7955         for testing TLS relocs with non-zero addend.
7956         (v12): New TLS variable.
7957         (t12): New test.
7958         (t_last): Add check for v12.
7959         * testsuite/tls_test.h (t12): New function.
7960         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7961
7962 2008-08-13  Ian Lance Taylor  <iant@google.com>
7963
7964         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7965         set tls_segment_ or relro_segment_.
7966         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7967         when appropriate.
7968         * output.h (Output_section::clear_is_relro): New function.
7969         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7970         sections specially even when output_data_ is empty.
7971         (Output_segment::maximum_alignment): When first section is relro,
7972         only force alignment for PT_LOAD segments.
7973         * script.cc (script_data_segment_align): New function.
7974         (script_data_segment_relro_end): New function.
7975         * script-c.h (script_data_segment_align): Declare.
7976         (script_data_segment_relro_end): Declare.
7977         * script-sections.h (class Script_sections): Declare
7978         data_segment_align and data_segment_relro_end.  Add fields
7979         segment_align_index_ and saw_relro_end_.
7980         * script-sections.cc (class Sections_element): Add set_is_relro
7981         virtual function.  Add new bool* parameter to place_orphan_here.
7982         Add get_output_section virtual function.
7983         (class Output_section_definition): Add set_is_relro.  Add new
7984         bool* parameter to place_orphan_here.  Add get_output_section.
7985         Add is_relro_ field.
7986         (Output_section_definition::Output_section_definition): Initialize
7987         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7988         and is_relro_ fields.
7989         (Output_section_definition::place_orphan_here): Add is_relro
7990         parameter.
7991         (Output_section_definition::set_section_addresses): Set relro for
7992         output section.
7993         (Output_section_definition::alternate_constraint): Likewise.
7994         (class Orphan_output_section): Add new bool* parameter to
7995         place_orphan_here.  Add get_output_section.
7996         (Orphan_output_section::place_orphan_here): Add is_relro
7997         parameter.
7998         (Script_sections::Script_sections): Initialize
7999         data_segment_align_index_ and saw_relro_end_.
8000         (Script_sections::data_segment_align): New function.
8001         (Script_sections::data_segment_relro_end): New function.
8002         (Script_sections::place_orphan): Set or clear is_relro.
8003         (Script_sections::set_section_addresses): Force alignment of first
8004         TLS section.
8005         * yyscript.y (exp): Call script_data_segment_align and
8006         script_data_segment_relro_end.
8007         * testsuite/relro_script_test.t: New file.
8008         * testsuite/relro_test.cc (using_script): Declare.
8009         (t1, t2): Test using_script.
8010         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
8011         (relro_script_test_SOURCES): Define.
8012         (relro_script_test_DEPENDENCIES): Define.
8013         (relro_script_test_LDFLAGS): Define.
8014         (relro_script_test_LDADD): Define.
8015         (relro_script_test.so): New target.
8016         * testsuite/Makefile.in: Rebuild.
8017
8018 2008-08-06  Cary Coutant <ccoutant@google.com>
8019
8020         * archive.cc (Archive::total_archives, Archive::total_members)
8021         (Archive::total_members_loaded): New variables.
8022         (Archive::setup): Add parameter.  Add option to preread
8023         archive symbols.
8024         (Archive::read_armap): Add counter.
8025         (Archive::get_file_and_offset): New function.
8026         (Archive::get_elf_object_for_member): New function.
8027         (Archive::read_all_symbols): New function.
8028         (Archive::read_symbols): New function.
8029         (Archive::add_symbols): Add counters.
8030         (Archive::include_all_members): Use armap to find members if it's
8031         already built.
8032         (Archive::include_member): Skip reading symbols if already read.
8033         Factored code into Archive::get_file_and_offset and
8034         Archive::get_elf_object_for_member.  Changed call to
8035         Mapfile::report_include_archive_member.
8036         (Archive::print_stats): New function.
8037         * archive.h: Declare Object and Read_symbols_data classes.
8038         (Archive::Archive): Add initializers for new members.
8039         (Archive::setup): Add parameter.
8040         (Archive::print_stats): New function.
8041         (Archive::total_archives, Archive::total_members)
8042         (Archive::total_members_loaded): New variables.
8043         (Archive::get_file_and_offset): New function.
8044         (Archive::get_elf_object_for_member): New function.
8045         (Archive::read_all_symbols): New function.
8046         (Archive::read_symbols): New function.
8047         (Archive::Archive_member): New class.
8048         (Archive::members_): New member.
8049         (Archive::num_members_): New member.
8050         * main.cc: Include archive.h.
8051         (main): Call Archive::print_stats.
8052         * mapfile.cc (Mapfile::report_include_archive_member): Delete
8053         archive parameter; member_name is now the fully-decorated name.
8054         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
8055         * options.h: (General_options): Add --preread-archive-symbols option.
8056         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
8057         Archive::setup.
8058
8059 2008-08-04  Ian Lance Taylor  <iant@google.com>
8060
8061         * symtab.h (Symbol::use_plt_offset): New function.
8062         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
8063         * powerpc.cc (Relocate::relocate): Likewise.
8064         * sparc.cc (Relocate::relocate): Likewise.
8065         * x86_64.cc (Relocate::relocate): Likewise.
8066         * testsuite/weak_plt.sh: New test.
8067         * testsuite/weak_plt_main.cc: New test.
8068         * testsuite/weak_plt_shared.cc: New test.
8069         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
8070         (check_PROGRAMS): Add weak_plt.
8071         (check_DATA): Add weak_plt_shared.so.
8072         (weak_plt_main_pic.o, weak_plt): New targets.
8073         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
8074         * testsuite/Makefile.in: Rebuild.
8075
8076         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
8077         gcctestdir/ld.
8078         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
8079         * testsuite/Makefile.in: Rebuild.
8080
8081 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
8082
8083         * Makefile.am (POTFILES.in): Set LC_ALL=C.
8084         * Makefile.in: Regenerate.
8085         * po/POTFILES.in: Regenerate.
8086
8087 2008-07-29  Ian Lance Taylor  <iant@google.com>
8088
8089         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
8090         symbols before other symbols.
8091         * testsuite/script_test_2.cc (test_addr): Declare.
8092         (test_addr_alias): Declare.
8093         (main): Check that test_addr and test_addr_alias have the right
8094         values.
8095         * testsuite/script_test_2.t: Define test_addr_alias and
8096         test_addr.
8097
8098 2008-07-24  Ian Lance Taylor  <iant@google.com>
8099
8100         PR 5990
8101         * descriptors.cc: New file.
8102         * descriptors.h: New file.
8103         * gold-threads.h (class Hold_optional_lock): New class.
8104         * fileread.cc: Include "descriptors.h".
8105         (File_read::~File_read): Release descriptor rather than closing
8106         it.
8107         (File_read::open) [file]: Call open_descriptor rather than open.
8108         Set is_descriptor_opened_.
8109         (File_read::open) [memory]: Assert that descriptor is not open.
8110         (File_read::reopen_descriptor): New function.
8111         (File_read::release): Release descriptor.
8112         (File_read::do_read): Make non-const.  Reopen descriptor.
8113         (File_read::read): Make non-const.
8114         (File_read::make_view): Reopen descriptor.
8115         (File_read::do_readv): Likewise.
8116         * fileread.h (class File_read): Add is_descriptor_opened_ field.
8117         Update declarations.
8118         * layout.cc: Include "descriptors.h".
8119         (Layout::create_build_id): Use open_descriptor rather than open.
8120         * output.cc: Include "descriptors.h".
8121         (Output_file::open): Use open_descriptor rather than open.
8122         * archive.cc (Archive::const_iterator): Change Archive to be
8123         non-const.
8124         (Archive::begin, Archive::end): Make non-const.
8125         (Archive::count_members): Likewise.
8126         * archive.h (class Archive): Update declarations.
8127         * object.h (Object::read): Make non-const.
8128         * Makefile.am (CCFILES): Add descriptors.cc.
8129         (HFILES): Add descriptors.h.
8130         * Makefile.in: Rebuild.
8131
8132         PR 6716
8133         * gold.h: Always include <clocale>.  Add Solaris workarounds
8134         following code in binutils/sysdep.h.
8135
8136         PR 6048
8137         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
8138         this->eh_frame_hdr_ is NULL before using it.
8139
8140         * dynobj.cc (Versions::Versions): Update comment.
8141
8142         * dynobj.cc (Versions::Versions): If there is an soname, use it as
8143         the base version name.
8144
8145         * stringpool.cc (Stringpool_template::add_with_length): Set key to
8146         array size plus one.
8147         (Stringpool_template::set_string_offsets): Subtract one from key
8148         before using it as an array index.
8149         (Stringpool_template::get_offset_with_length): Likewise.
8150         (Stringpool_template::write_to_buffer): Likewise.
8151         * stringpool.h (Stringpool_template::get_offset_from_key):
8152         Likewise.
8153
8154 2008-07-23  Ian Lance Taylor  <iant@google.com>
8155
8156         PR 6658
8157         * object.h (Merged_symbol_value::value): Do our best to handle a
8158         negative addend.
8159
8160         PR 6647
8161         * script.cc (Version_script_info::get_versions): Don't add empty
8162         version tag to return value.
8163         (Version_script_info::get_symbol_version_helper): Change return
8164         type to bool.  Add pversion parameter.  Change all callers.
8165         (script_register_vers_node): Don't require a non-NULL tag.
8166         * script.h (class Version_script_info): Update declarations.
8167         (Version_script_info::get_symbol_version): Change return type to
8168         bool.  Add version parameter.  Change all callers.
8169         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
8170         handling.  Handle an empty version from a version script.
8171         (Symbol_table::define_special_symbol): Likewise.
8172         * testsuite/ver_test_10.script: New file.
8173         * testsuite/ver_test_10.sh: New file.
8174         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
8175         (check_DATA): Add ver_test_10.syms.
8176         (ver_test_10.syms, ver_test_10.so): New target.
8177         * testsuite/Makefile.in: Rebuild.
8178
8179 2008-07-23  Simon Baldwin  <simonb@google.com>
8180
8181         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
8182         to zero for undefined symbols from dynamic libraries.
8183
8184 2008-07-23  Ian Lance Taylor  <iant@google.com>
8185
8186         * symtab.cc (Symbol_table::resolve): Remove version parameter.
8187         Change all callers.
8188         * symtab.h (class Symbol_table): Update declaration.
8189         * testsuite/ver_test_9.cc: New file.
8190         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
8191         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
8192         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
8193         (ver_test_9.so, ver_test_9.o): New targets.
8194         * testsuite/Makefile.in: Rebuild.
8195
8196 2008-07-22  Ian Lance Taylor  <iant@google.com>
8197
8198         * options.h (class General_options): Define --check-sections.
8199         * layout.cc (Layout::set_segment_offsets): Handle
8200         --check-sections.
8201
8202         * options.h (class General_options): Define -n/--nmagic and
8203         -N/--omagic.
8204         * options.cc (General_options::finalize): For -n/--nmagic or
8205         -N/--omagic, set -static.
8206         * layout.cc (Layout::attach_allocated_section_to_segment): If
8207         -N/--omagic, don't put read-only and read-write sections in
8208         different segments.
8209         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
8210         finding a read-only segment.
8211         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
8212         don't set the minimum segment alignment to the common page size,
8213         and don't set the file offset to the address modulo the page size.
8214         * script-sections.cc (Script_sections::create_segments): If
8215         -n/--omagic, don't put read-only and read-write sections in
8216         different segments.
8217
8218         * cref.cc: New file.
8219         * cref.h: New file.
8220         * options.h (class General_options): Add --print-symbol-counts.
8221         * main.cc (main): Issue defined symbol report if requested.
8222         * archive.cc (Archive::interpret_header): Make into a const member
8223         function.
8224         (Archive::add_symbols): Call Input_objects::archive_start and
8225         archive_stop.
8226         (Archive::const_iterator): Define new class.
8227         (Archive::begin, Archive::end): New functions.
8228         (Archive::include_all_members): Rewrite to use iterator.
8229         (Archive::count_members): New function.
8230         * archive.h (class Archive): Update declarations.
8231         (Archive::filename): New function.
8232         * object.cc: Include "cref.h".
8233         (Sized_relobj::Sized_relobj): Initialize defined_count_.
8234         (Sized_relobj::do_get_global_symbol_counts): New function.
8235         (Input_objects::add_object): Add object to cross-referencer.
8236         (Input_objects::archive_start): New function.
8237         (Input_objects::archive_stop): New function.
8238         (Input_objects::print_symbol_counts): New function.
8239         * object.h: Declare Cref and Archive.
8240         (Object::get_global_symbol_counts): New function.
8241         (Object::do_get_global_symbol_counts): New pure virtual function.
8242         (class Sized_relobj): Add defined_count_ field.  Update
8243         declarations.
8244         (class Input_objects): Add cref_ field.  Update constructor.
8245         Update declarations.
8246         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
8247         defined_count_.
8248         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
8249         symbol counts.
8250         (Sized_dynobj::do_get_global_symbol_counts): New function.
8251         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
8252         defined_count_.  Update declarations.  Define Symbols typedef.
8253         * symtab.cc (Symbol_table::add_from_relobj): Add defined
8254         parameter.  Change all callers.
8255         (Symbol_table::add_from_dynobj): Add sympointers and defined
8256         parameters.  Change all callers.
8257         * symtab.h (class Symbol_table): Update declarations.
8258         * Makefile.am (CCFILES): Add cref.cc.
8259         (HFILES): Add cref.h.
8260         * Makefile.in: Rebuild.
8261
8262 2008-07-22  Simon Baldwin  <simonb@google.com>
8263
8264         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8265         to zero when writing undefined symbols.
8266
8267 2008-07-22  Ian Lance Taylor  <iant@google.com>
8268
8269         * output.cc (Output_section::add_input_section): Don't try to
8270         merge empty merge sections.
8271
8272 2008-07-21  Craig Silverstein  <csilvers@google.com>
8273
8274         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8275         Include symbol version in error message.
8276
8277 2008-07-20  Chris Demetriou  <cgd@google.com>
8278
8279         * configure.ac (gold_cv_c_random_seed): New configured variable.
8280         (RANDOM_SEED_CFLAGS): New substituted variable.
8281         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8282         * configure: Rebuild.
8283         * Makefile.in: Likewise.
8284         * testsuite/Makefile.in: Likewise.
8285
8286 2008-07-18  Ian Lance Taylor  <iant@google.com>
8287
8288         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8289         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8290         * testsuite/ver_test_main.cc (main): Call t4.
8291         (t4, t4_2a): Define.
8292         * testsuite/ver_test_2.cc (t4_2): Define.
8293         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8294         * testsuite/ver_test_4.cc (t4_2a): Define.
8295         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8296         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8297
8298 2008-07-17  Ian Lance Taylor  <iant@google.com>
8299
8300         * dynobj.cc (Versions::add_def): If we give an error about a
8301         missing version, go ahead and create the version anyhow.
8302
8303 2008-07-10  Ian Lance Taylor  <iant@google.com>
8304
8305         Handle output sections with more than 0x7fffffff bytes.
8306         * object.h (class Relobj): Change map_to_output_ to
8307         output_sections_, and just keep a section pointer.  Change all
8308         uses.  Move comdat group support to Sized_relobj.
8309         (Relobj::is_section_specially_mapped): Remove.
8310         (Relobj::output_section): Remove poff parameter.  Change all
8311         callers.
8312         (Relobj::output_section_offset): New function.
8313         (Relobj::set_section_offset): Rewrite.
8314         (Relobj::map_to_output): Remove.
8315         (Relobj::output_sections): New function.
8316         (Relobj::do_output_section_offset): New pure virtual function.
8317         (Relobj::do_set_section_offset): Likewise.
8318         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8319         group support from Relobj.  Update declarations.
8320         (Sized_relobj::get_output_section_offset): New function.
8321         (Sized_relobj::do_output_section_offset): New function.
8322         (Sized_relobj::do_set_section_offset): New function.
8323         * object.cc (Relobj::output_section_address): Remove.
8324         (Sized_relobj::Sized_relobj): Initialize new fields.
8325         (Sized_relobj::include_section_group): Cast find_kept_object to
8326         Sized_relobj.
8327         (Sized_relobj::include_linkonce_section): Likewise.
8328         (Sized_relobj::do_layout): Use separate arrays for output section
8329         and output offset.
8330         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8331         output_sections.
8332         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8333         output_sections and section_offsets.
8334         (Sized_relobj::write_local_symbols): Likewise.
8335         (map_to_kept_section): Compute output address directly.
8336         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8337         output_sections and section_offsets.
8338         (Sized_relobj::write_sections): Likewise.
8339         (Sized_relobj::relocate_sections): Likewise.
8340         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8341         * output.h (class Output_reloc): Update declarations.  Change
8342         u2_.relobj to Sized_relobj*.
8343         (class Output_data_reloc): Change add functions to use
8344         Sized_relobj*.
8345         * output.cc (Output_reloc::Output_reloc): Change relobj to
8346         Sized_relobj*.
8347         (Output_reloc::local_section_offset): Change return type to
8348         Elf_Addr.  Use get_output_section_offset.
8349         (Output_reloc::get_address): Likewise.
8350         (Output_section::is_input_address_mapped): Don't call
8351         is_section_specially_mapped.
8352         (Output_section::output_offset): Likewise.
8353         (Output_section::output_address): Likewise.
8354         (Output_section::starting_output_address): Likewise.
8355         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8356         parameter to Sized_relobj*.
8357         (Copy_relocs::need_copy_reloc): Likewise.
8358         (Copy_relocs::save): Likewise.
8359         * copy-relocs.h (class Copy_relocs): Update declarations.
8360         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8361         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8362         * target-reloc.h (relocate_for_relocatable): Change
8363         offset_in_output_section type to Elf_Addr.  Change code that uses
8364         it as well.
8365         * layout.cc (Layout::layout): Always set *off.
8366         * mapfile.cc (Mapfile::print_input_section): Use
8367         output_section_offset.
8368         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8369         Sized_relobj*.
8370         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8371         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8372         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8373
8374 2008-07-03  Ian Lance Taylor  <iant@google.com>
8375
8376         * layout.cc (Layout::include_section): Do not discard unrecognized
8377         SHT_STRTAB sections.
8378
8379 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8380
8381         * script.cc (Lex::can_continue_name): Make '?' allowable in
8382         version-script names.
8383         * testsuite/version_script.map: Change glob pattern to use '?'
8384
8385 2008-06-30  Manish Singh  <yosh@gimp.org>
8386
8387         PR 6585
8388         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8389         Correct typo.
8390
8391 2008-06-30  Ian Lance Taylor  <iant@google.com>
8392
8393         PR 6660
8394         PR 6682
8395         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8396         versions]: Don't try to read the value in the contents, since we
8397         don't use it.  Use the template endianness when writing.
8398
8399 2008-06-25  Cary Coutant  <ccoutant@google.com>
8400
8401         * fileread.cc (File_read::make_view): Assert on zero-length view.
8402         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8403         symbol table when there are no symbols to read.
8404
8405 2008-06-23  Craig Silverstein  <csilvers@google.com>
8406
8407         * version.cc (version_string): Bump to 1.7
8408
8409 2008-06-18  Craig Silverstein  <csilvers@google.com>
8410
8411         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8412         constant 0xFFFF to type Valtype.
8413         (Powerpc_relocate_functions::rel16_ha): Likewise.
8414
8415 2008-06-17  Ian Lance Taylor  <iant@google.com>
8416
8417         * output.h (Output_section::Input_section): Initialize p2align_ to
8418         zero for Output_section_data constructors.
8419         (Output_section::Input_section::addralign): If not an input
8420         section, return the alignment of the Output_section_data.
8421         * testsuite/copy_test.cc: New file.
8422         * testsuite/copy_test_1.cc: New file.
8423         * testsuite/copy_test_2.cc: New file.
8424         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8425         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8426         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8427         (copy_test_1_pic.o, copy_test_1.so): New targets.
8428         (copy_test_2_pic.o, copy_test_2.so): New targets.
8429         * testsuite/Makefile.in: Rebuild.
8430
8431         * script-sections.cc (Script_sections::place_orphan): Initialize
8432         local variable exact.
8433
8434 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8435
8436         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8437
8438 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8439             David S. Miller  <davem@davemloft.net>
8440
8441         * powerpc.cc: New file.
8442         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8443         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8444         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8445         * Makefile.in: Rebuild.
8446
8447 2008-06-09  Ian Lance Taylor  <iant@google.com>
8448
8449         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8450         <exception>.
8451         (throwing, orig_terminate): New static variables.
8452         (terminate_handler): New static function.
8453         (t2): Set terminate handler.
8454
8455 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8456
8457         PR 6584
8458         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8459         alignment.
8460
8461 2008-05-30  Cary Coutant  <ccoutant@google.com>
8462
8463         * archive.cc (Archive::include_all_members) Correct to step
8464         over symbol table and extended name table in thin archives.
8465
8466 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8467
8468         PR 6407
8469         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8470         calculation.
8471
8472 2008-05-28  Caleb Howe  <cshowe@google.com>
8473
8474         * reduced_debug_output.cc: New file.
8475         * reduced_debug_output.h: New file.
8476         * options.h (class General_options): Add --strip-debug-non-line.
8477         * options.cc (General_options::finalize): Add strip_debug_non_line
8478         to the strip heirarchy.
8479         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8480         fields.
8481         * layout.cc: Include "reduced_debug_output.h".
8482         (Layout::Layout): Initialize new fields.
8483         (line_only_debug_sections): New static array.
8484         (is_lines_only_debug_sections): New static inline function.
8485         (Layout::include_section): Handle --strip-debug-non-line.
8486         (Layout::make_output_section): If --strip-debug-non-line, build
8487         new output sections for .debug_abbrev and .debug_info.
8488         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8489         gold.  Warn about possible overflow.
8490         (read_signed_LEB_128): Likewise.
8491         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8492         (read_signed_LEB_128): Declare.
8493         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8494         (HFILES): Add reduced_debug_output.h.
8495         * Makefile.in: Rebuild.
8496
8497 2008-05-21  Ian Lance Taylor  <iant@google.com>
8498
8499         * mapfile.cc: New file.
8500         * mapfile.h: New file.
8501         * options.h (class General_options): Add -M/--print-map and -Map.
8502         * options.cc (General_options::finalize): Make -M equivalent to
8503         -Map -.
8504         * main.cc: Include <cstdio> and "mapfile.h".
8505         (main): Open mapfile if requested.
8506         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8507         constructor.  Change caller.
8508         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8509         (queue_middle_tasks): Likewise.
8510         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8511         declarations.
8512         * archive.cc: Include "mapfile.h".
8513         (Archive::add_symbols): Add mapfile parameter.  Change all
8514         callers.  Pass mapfile, symbol, and reason to include_member.
8515         (Archive::include_all_members): Add mapfile parameter.  Change all
8516         callers.
8517         (Archive::include_member): Add mapfile, sym, and why parameters.
8518         Change all callers.  Report inclusion to map file.
8519         * archive.h: Include "fileread.h".
8520         (class Archive): Update declarations.
8521         (Archive::file): New const method.
8522         (class Add_archive_symbols): Add mapfile_ field.  Update
8523         constructor.  Change all callers.
8524         * readsyms.h (class Read_symbols): Likewise.
8525         (class Finish_group): Likewise.
8526         (class Read_script): Likewise.
8527         * common.cc: Include "mapfile.h".
8528         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8529         all callers.
8530         (Symbol_table::do_allocate_commons): Likewise.
8531         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8532         symbol allocation to mapfile.
8533         * common.h (class Allocate_commons_task): Add mapfile_ field.
8534         Update constructor.  Change all callers.
8535         * symtab.h (class Symbol_table): Update declarations.
8536         * layout.cc: Include "mapfile.h".
8537         (Layout_task_runner::run): Print information to mapfile.
8538         (Layout::create_gold_note): Change Output_data_fixed_space to
8539         Output_data_zero_fill.
8540         (Layout::create_build_id): Likewise.
8541         (Layout::print_to_mapfile): New function.
8542         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8543         constructor.  Change caller.
8544         (class Layout): Declare print_to_mapfile.
8545         * output.cc (Output_section::Input_section::print_to_mapfile): New
8546         function.
8547         (Output_section::add_input_section): If producing a map, always
8548         add to input_sections_ list.
8549         (Output_section::do_print_to_mapfile): New function.
8550         (Output_segment::print_sections_to_mapfile): New function.
8551         (Output_segment::print_section_list_to_mapfile): New function.
8552         * output.h: Include "mapfile.h".
8553         (Output_data::print_to_mapfile): New function.
8554         (Output_data::do_print_to_mapfile): New virtual function.
8555         (Output_segment_headers::do_print_to_mapfile): New function.
8556         (Output_file_header::do_print_to_mapfile): New function.
8557         (Output_data_const::do_print_to_mapfile): New function.
8558         (class Output_data_const_buffer): Add map_name_ field.  Update
8559         constructor.  Change all callers.  Add do_print_to_mapfile
8560         function.
8561         (class Output_data_fixed_space): Likewise.
8562         (class Output_data_space): Likewise.
8563         (class Output_data_zero_fill): New class.
8564         (Output_data_strtab::do_print_to_mapfile): New function.
8565         (Output_data_reloc_base::do_print_to_mapfile): New function.
8566         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8567         (Output_data_group::do_print_to_mapfile): New function.
8568         (Output_data_got::do_print_to_mapfile): New function.
8569         (Output_data_dynamic::do_print_to_mapfile): New function.
8570         (Output_symtab_xindex::do_print_to_mapfile): New function.
8571         (class Output_section): Declare do_print_to_mapflie.  Declare
8572         print_to_mapfile in Input_section.
8573         (class Output_segment): Declare new functions.
8574         * object.h (Sized_relobj::symbol_count): New function.
8575         * script-sections.cc
8576         (Output_section_element_dot_assignment::set_section_addresses):
8577         Change Output_data_fixed_space to Output_data_zero_fill.
8578         (Output_data_expression::do_print_to_mapfile): New function.
8579         * script.cc (read_input_script): Add mapfile parameter.  Change
8580         all callers.
8581         * script.h (read_input_script): Update declaration.
8582         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8583         (Eh_frame::do_print_to_mapfile): New function.
8584         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8585         (Output_merge_string::do_print_to_mapfile): New function.
8586         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8587         function.
8588         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8589         function.
8590         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8591         function.
8592         * Makefile.am (CCFILES): Add mapfile.cc.
8593         (HFILES): Add mapfile.h.
8594         * Makefile.in: Rebuild.
8595
8596 2008-05-19  Ian Lance Taylor  <iant@google.com>
8597
8598         * options.h (class General_options): Add -z relro.
8599         * layout.cc (Layout::Layout): Initialize relro_segment_.
8600         (Layout::add_output_section_data): Return the output section.
8601         (Layout::make_output_section): Rcognize relro sections and mark
8602         them appropriately.
8603         (Layout::attach_allocated_section_to_segment): Put relro sections
8604         in a PT_GNU_RELRO segment.
8605         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8606         section as relro.
8607         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8608         PT_TLS segments.
8609         (Layout::linkonce_mapping): Map d.rel.ro.local to
8610         .data.rel.ro.local.
8611         (Layout::output_section_name): Us .data.rel.ro.local for any
8612         section which begins with that.
8613         * layout.h (class Layout): Update add_output_section_data
8614         declaration.  Add relro_segment_ field.
8615         * output.cc (Output_section::Output_section): Initialize is_relro_
8616         and is_relro_local_ fields.
8617         (Output_segment::add_output_section): Group relro sections.
8618         (Output_segment::is_first_section_relro): New function.
8619         (Output_segment::maximum_alignment): If there is a relro section,
8620         align the segment to the common page size.
8621         (Output_segment::set_section_addresses): Track whether we are
8622         looking at relro sections.  If the last section is a relro
8623         section, align to the common page size.
8624         (Output_segment::set_section_list_addresses): Add in_relro
8625         parameter.  Change all callers.  Align to the page size when
8626         moving from relro to non-relro section.
8627         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8628         segment.
8629         * output.h (class Output_section): Add is_relro_ and
8630         is_relro_local_ fields.
8631         (Output_section::is_relro): New function.
8632         (Output_section::set_is_relro): New function.
8633         (Output_section::is_relro_local): New function.
8634         (Output_section::set_is_relro_local): New function.
8635         (class Output_segment): Update declarations.
8636         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8637         * sparc.cc (Target_sparc::got_section): Likewise.
8638         * x86_64.cc (Target_x86_64::got_section): Likewise.
8639         * testsuite/relro_test_main.cc: New file.
8640         * testsuite/relro_test.cc: New file.
8641         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8642         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8643         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8644         (relro_test.so, relro_test_pic.o): New targets.
8645         * testsuite/Makefile.in: Rebuild.
8646
8647 2008-05-16  Ian Lance Taylor  <iant@google.com>
8648
8649         * output.cc (Output_segment::add_output_section): Remove front
8650         parameter.
8651         * output.h (class Output_segment): Remove
8652         add_initial_output_section and overloaded add_output_section.
8653         Update declaration of remaining add_output_section.
8654         * layout.cc (Layout::create_interp): Call add_output_section
8655         rather than add_initial_output_section.
8656         (Layout::finish_dynamic_section): Likewise.
8657
8658         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8659         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8660         know the dynamic type.
8661         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8662         field.  Initialize it in constructor.
8663         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8664         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8665         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8666         reloc.
8667
8668         * output.cc (Output_reloc::get_address): Change return type to
8669         Elf_Addr.
8670         * output.h (class Output_reloc): Update get_address declaration.
8671         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8672         for section addresses.
8673
8674 2008-05-09  Ian Lance Taylor  <iant@google.com>
8675
8676         PR 6493
8677         * gold.cc (gold_nomem): Use return value of write.
8678
8679 2008-05-08  Ian Lance Taylor  <iant@google.com>
8680
8681         * symtab.c (Symbol::init_base_output_data): Add version
8682         parameter.  Change all callers.
8683         (Symbol::init_base_output_segment): Likewise.
8684         (Symbol::init_base_constant): Likewise.
8685         (Symbol::init_base_undefined): Likewise.
8686         (Sized_symbol::init_output_data): Likewise.
8687         (Sized_symbol::init_output_segment): Likewise.
8688         (Sized_symbol::init_constant): Likewise.
8689         (Sized_symbol::init_undefined): Likewise.
8690         (Symbol_table::do_define_in_output_data): If the new symbol has a
8691         version, mark it as the default.
8692         (Symbol_table::do_define_in_output_segment): Likewise.
8693         (Symbol_table::do_define_as_constant): Likewise.
8694         * symtab.h (class Symbol): Update declarations.
8695         (class Sized_symbol): Likewise.
8696         * resolve.cc (Symbol::override_version): New function.
8697         (Symbol::override_base): Call override_version.
8698         (Symbol::override_base_with_special): Likewise.
8699         * testsuite/ver_script_8.script: New file.
8700         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8701         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8702         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8703         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8704
8705 2008-05-06  Ian Lance Taylor  <iant@google.com>
8706
8707         PR 6049
8708         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8709         functions.
8710         (class General_options): Remove existing --undefined, and add
8711         --no-undefined instead.  Add new --undefined as synonym for -u.
8712         * archive.cc (Archive::add_symbols): Check whether symbol was
8713         named with -u.
8714         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8715         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8716         all uses.  Add IS_UNDEFINED.  Update declarations to split
8717         different versions of init_base.  Declare init_base_undefined.
8718         (Symbol::is_defined): Handle IS_UNDEFINED.
8719         (Symbol::is_undefined): Likewise.
8720         (Symbol::is_weak_undefined): Call is_undefined.
8721         (Symbol::is_absolute): Handle IS_CONSTANT.
8722         (class Sized_symbol): Update declarations to split different
8723         versions of init.  Declare init_undefined.
8724         (class Symbol_table): Declare new functions.
8725         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8726         Change all callers.
8727         (Symbol::init_base_output_data): Likewise.
8728         (Symbol::init_base_output_segment): Likewise.
8729         (Symbol::init_base_constant): Likewise.
8730         (Symbol::init_base_undefined): New function.
8731         (Sized_symbol::init_object): Rename from init.  Change all
8732         callers.
8733         (Sized_symbol::init_output_data): Likewise.
8734         (Sized_symbol::init_output_segment): Likewise.
8735         (Sized_symbol::init_constant): Likewise.
8736         (Sized_symbol::init_undefined): New function.
8737         (Symbol_table::add_undefined_symbols_from_command_line): New
8738         function.
8739         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8740         function.
8741         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8742         (Symbol::output_section): Likewise.
8743         (Symbol::set_output_section): Likewise.
8744         (Symbol_table::sized_finalize_symbol): Likewise.
8745         (Symbol_table::sized_write_globals): Likewise.
8746         * resolve.cc (Symbol_table::should_override): Likewise.
8747         (Symbol::override_base_with_special): Likewise.
8748
8749         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8750         symbol, change it to have default visibility.
8751         * testsuite/protected_1.cc: New file.
8752         * testsuite/protected_2.cc: New file.
8753         * testsuite/protected_3.cc: New file.
8754         * testsuite/protected_main_1.cc: New file.
8755         * testsuite/protected_main_2.cc: New file.
8756         * testsuite/protected_main_3.cc: New file.
8757         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8758         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8759         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8760         (protected_1.so): New target.
8761         (protected_1_pic.o, protected_2_pic.o): New targets.
8762         (protected_3_pic.o): New target.
8763         (check_PROGRAMS): Add protected_2.
8764         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8765         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8766         * testsuite/Makefile.in: Rebuild.
8767
8768         * options.h (DEFINE_var): Add set_user_set_##varname__.
8769         (DEFINE_bool_alias): New macro.
8770         (class General_options): Define -Bstatic using DEFINE_bool_alias
8771         rather than DEFINE_special.  Add --undefined as an alias for -z
8772         defs.
8773         * options.cc (General_options::parse_Bstatic): Remove.
8774
8775         * options.h (class General_options): Add --fatal-warnings.
8776         * main.cc (main): Implement --fatal-warnings.
8777         * errors.h (Errors::warning_count): New function.
8778
8779         * options.h (class General_options): Add -Bsymbolic-functions.
8780         * symtab.h (Symbol::is_preemptible): Check for
8781         -Bsymbolic-functions.
8782
8783 2008-05-05  Ian Lance Taylor  <iant@google.com>
8784
8785         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8786         as noVARNAME rather than no-VARNAME.
8787         (class General_options): Add option -z combreloc.
8788         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8789         get_address.
8790         (Output_reloc::sort_before) [SHT_REL]: New function.
8791         (Output_reloc::sort_before) [SHT_RELA]: New function.
8792         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8793         Sort_relocs_comparison.
8794         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8795         parameter.  Change all callers.
8796         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8797         sort_relocs parameter.  Change all callers.
8798         * output.cc (Output_reloc::get_address): New function, broken out
8799         of write_rel.
8800         (Output_reloc::write_rel): Call it.
8801         (Output_reloc::compare): New function.
8802         (Output_data_reloc_base::do_write): Optionally sort relocs.
8803
8804         * configure.ac: If targ_extra_obj is set, link it in.
8805         * configure.tgt: Initialize all variables.
8806         (x86_64*): Set targ_extra_obj and targ_extra_size.
8807         * configure: Rebuild.
8808
8809         * object.cc (Sized_relobj::include_section_group): Adjust section
8810         indexes read from group data.  Build vector to pass to
8811         layout_group.
8812         * layout.cc (Layout::layout_group): Add flags and shndxes
8813         parameters.  Remove contents parameter.  Change caller.  Update
8814         explicit instantiations.
8815         * layout.h (class Layout): Update layout_group declaration.
8816         * output.cc (Output_data_group::Output_data_group): Add flags and
8817         input_shndxes parameters.  Remove contents parameter.  Change
8818         caller.
8819         (Output_data_group::do_write): Change input_sections_ to
8820         input_shndxes_.
8821         * output.h (class Output_data_group): Update constructor
8822         declaration.  Rename input_sections_ to input_shndxes_.
8823         * testsuite/many_sections_test.cc: Add template.
8824
8825 2008-04-30  Cary Coutant  <ccoutant@google.com>
8826
8827         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8828
8829         * layout.cc (Layout::include_section): Refactored check for debug
8830         info section.
8831         (Layout::add_comdat): Add new parameters.  Change type
8832         of signature parameter.  Add object and shndx to signatures table.
8833         (Layout::find_kept_object): New function.
8834         * layout.h: Include <cstring>.
8835         (Layout::is_debug_info_section): New function.
8836         (Layout::add_comdat): Add new parameters.
8837         (Layout::find_kept_object): New function.
8838         (Layout::Kept_section): New struct.
8839         (Layout::Signatures): Change type of map range.
8840         * object.cc (Relobj::output_section_address): New function.
8841         (Sized_relobj::include_section_group): Add new parameters.  Change
8842         calls to Layout::add_comdat.  Change to build table of kept comdat
8843         groups and table mapping discarded sections to kept sections.
8844         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8845         (Sized_relobj::do_layout): Change calls to include_section_group and
8846         include_linkonce_section.
8847         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8848         value to zero when section is discarded.
8849         (Sized_relobj::map_to_kept_section): New function.
8850         * object.h (Relobj::output_section_address): New function.
8851         (Relobj::Comdat_group): New type.
8852         (Relobj::find_comdat_group): New function.
8853         (Relobj::Comdat_group_table): New type.
8854         (Relobj::Kept_comdat_section): New type.
8855         (Relobj::Kept_comdat_section_table): New type.
8856         (Relobj::add_comdat_group): New function.
8857         (Relobj::set_kept_comdat_section): New function.
8858         (Relobj::get_kept_comdat_section): New function.
8859         (Relobj::comdat_groups_): New field.
8860         (Relobj::kept_comdat_sections_): New field.
8861         (Symbol_value::input_value): Update comment.
8862         (Sized_relobj::map_to_kept_section) New function.
8863         (Sized_relobj::include_linkonce_section): Add new parameter.
8864         * target-reloc.h (Comdat_behavior): New type.
8865         (get_comdat_behavior): New function.
8866         (relocate_section): Add code to map a discarded section to the
8867         corresponding kept section when applying a relocation.
8868
8869 2008-04-30  Craig Silverstein  <csilvers@google.com>
8870
8871         * dwarf_reader.cc (next_generation_count): New static var.
8872         (Addr2line_cache_entry): New struct.
8873         (addr2line_cache): New static var.
8874         (Dwarf_line_info::one_addr2line): Added caching.
8875         (Dwarf_line_info::clear_addr2line_cache): New function.
8876         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8877         cache-size parameter.
8878         (Dwarf_line_info::one_addr2line_cache): New function.
8879         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8880         new cache-size argument to one_addr2line(), and clear cache.
8881
8882 2008-04-28  Cary Coutant  <ccoutant@google.com>
8883
8884         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8885         R_386_PC8 relocations.
8886
8887 2008-04-23  Ian Lance Taylor  <iant@google.com>
8888
8889         * object.cc (Sized_relobj::include_section_group): Check for
8890         invalid section group.
8891
8892         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8893         header size.
8894
8895         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8896         than read for file header.
8897         * archive.cc (Archive::include_member): Likewise.
8898
8899 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8900
8901         * aclocal.m4: Regenerate.
8902         * configure: Regenerate.
8903
8904 2008-04-19  Ian Lance Taylor  <iant@google.com>
8905
8906         * version.cc (version_string): Bump to 1.6.
8907
8908         * testsuite/Makefile.am (many_sections_r_test): New target.
8909         (many_sections_r_test_SOURCES): Remove.
8910         (many_sections_r_test_DEPENDENCIES): Remove.
8911         (many_sections_r_test_LDFLAGS): Remove.
8912         (many_sections_r_test_LDADD): Remove.
8913
8914         * object.cc (Sized_relobj::do_add_symbols): Always pass
8915         local_symbol_count_ to add_from_relobj.
8916
8917         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8918         every thousand variables.
8919         * testsuite/Makefile.in: Rebuild.
8920
8921         * object.cc (Xindex::initialize_symtab_xindex): New function.
8922         (Xindex::read_symtab_xindex): New function.
8923         (Xindex::sym_xindex_to_shndx): New function.
8924         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8925         available.
8926         (Sized_relobj::do_initialize_xindex): New function.
8927         (Sized_relobj::do_read_symbols): Adjust section links.
8928         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8929         parameter.  Change all callers.
8930         (Sized_relobj::include_section_group): Adjust section links and
8931         symbol section indexes.
8932         (Sized_relobj::do_layout): Adjust section links.
8933         (Sized_relobj::do_count_local_symbols): Adjust section links and
8934         symbol section indexes.
8935         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8936         ordinary and special symbols.
8937         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8938         dynsym_xindex parameters.  Change all callers.  Adjust section
8939         links.  Use SHN_XINDEX when needed.
8940         (Sized_relobj::get_symbol_location_info): Adjust section links.
8941         Don't get fooled by special symbols.
8942         * object.h (class Xindex): Define.
8943         (class Object): Add xindex_ parameter.  Declare virtual functoin
8944         do_initialize_xindex.
8945         (Object::adjust_sym_shndx): New function.
8946         (Object::set_xindex): New protected function.
8947         (class Symbol_value): Add is_ordinary_shndx_ field.
8948         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8949         (Symbol_value::value): Assert ordinary section.
8950         (Symbol_value::initialize_input_to_output_map): Likewise.
8951         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8952         Change all callers.
8953         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8954         all callers.
8955         (class Sized_relobj): Update declarations.
8956         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8957         parameter.  Change all callers.
8958         (Sized_relobj::adjust_shndx): New function.
8959         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8960         field.
8961         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8962         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8963         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8964         (Sized_dynobj::read_dynsym_section): Adjust section links.
8965         (Sized_dynobj::read_dynamic): Likewise.
8966         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8967         section links.
8968         (Sized_dynobj::do_initialize_xindex): New function.
8969         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8970         do_initialize_xindex.
8971         (Sized_dynobj::adjust_shndx): New function.
8972         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8973         dynsym_xindex_ fields.
8974         (Layout::finalize): Add a call to set_section_indexes before
8975         creating the symtab sections.
8976         (Layout::set_section_indexes): Don't do anything if the section
8977         already has a section index.
8978         (Layout::create_symtab_sections): Add shnum parameter.  Change
8979         caller.  Create .symtab_shndx section if needed.
8980         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8981         caller.
8982         (Layout::allocated_output_section_count): New function.
8983         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8984         needed.
8985         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8986         fields.  Update declarations.
8987         (Layout::symtab_xindex): New function.
8988         (Layout::dynsym_xindex): New function.
8989         (class Write_symbols_task): Add layout_ field.
8990         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8991         Change caller.
8992         * output.cc (Output_section_headers::Output_section_headers): Add
8993         shstrtab_section parameter.  Change all callers.
8994         (Output_section_headers::do_sized_write): Store overflow values
8995         for section count and section string table section index in
8996         section header zero.
8997         (Output_file_header::do_sized_write): Check for overflow of
8998         section count and section string table section index.
8999         (Output_symtab_xindex::do_write): New function.
9000         (Output_symtab_xindex::endian_do_write): New function.
9001         * output.h (class Output_section_headers): Add shstrtab_section_.
9002         Update declarations.
9003         (class Output_symtab_xindex): Define.
9004         (Output_section::has_out_shndx): New function.
9005         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
9006         field.
9007         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
9008         Change all callers.
9009         (Sized_symbol::init): Likewise.
9010         (Symbol::output_section): Check for ordinary symbol.
9011         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
9012         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
9013         callers.
9014         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
9015         Change all callers.  Simplify handling of symbols from sections
9016         not included in the link.
9017         (Symbol_table::add_from_dynobj): Handle ordinary symbol
9018         distinction.
9019         (Weak_alias_sorter::operator()): Assert that symbols are
9020         ordinary.
9021         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
9022         distinction.
9023         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
9024         parameters.  Change all callers.
9025         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
9026         symbol distinction.  Use SHN_XINDEX when needed.
9027         (Symbol_table::write_section_symbol): Add symtab_xindex
9028         parameter.  Change all callers.
9029         (Symbol_table::sized_write_section_symbol): Likewise.  Use
9030         SHN_XINDEX when needed.
9031         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
9032         declarations.
9033         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
9034         (Symbol::is_defined): Check is_ordinary.
9035         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
9036         (Symbol::is_absolute, Symbol::is_common): Likewise.
9037         (class Sized_symbol): Update declarations.
9038         (class Symbol_table): Update declarations.
9039         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
9040         parameters.  Change all callers.
9041         (Sized_symbol::override): Likewise.
9042         (Symbol_table::override): Likewise.
9043         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
9044         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
9045         is_ordinary, and orig_st_shndx parameters.  Change all callers.
9046         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
9047         to be in an ordinary section.
9048         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
9049         object and is_ordinary parameters.  Change all callers.
9050         (Sized_dwarf_line_info::read_relocs): Add object parameter.
9051         Change all callers.  Don't add undefined or non-ordinary symbols
9052         to reloc_map_.
9053         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
9054         Change all callers.
9055         * dwarf_reader.h (class Sized_dwarf_line_info): Update
9056         declarations.
9057         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
9058         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
9059         (Sized_relobj::relocate_sections): Likewise.
9060         * target-reloc.h (scan_relocs): Adjust section symbol index.
9061         (scan_relocatable_relocs): Likewise.
9062         * i386.cc (Scan::local): Check for ordinary symbols.
9063         * sparc.cc (Scan::local): Likewise.
9064         * x86_64.cc (Scan::local): Likewise.
9065         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
9066         to symbol_section_and_value.
9067         * testsuite/many_sections_test.cc: New file.
9068         * testsuite/Makefile.am (BUILT_SOURCES): Define.
9069         (check_PROGRAMS): Add many_sections_test.
9070         (many_sections_test_SOURCES): Define.
9071         (many_sections_test_DEPENDENCIES): Define.
9072         (many_sections_test_LDFLAGS): Define.
9073         (BUILT_SOURCES): Add many_sections_define.h.
9074         (many_sections_define.h): New target.
9075         (BUILT_SOURCES): Add many_sections_check.h.
9076         (many_sections_check.h): New target.
9077         (check_PROGRAMS): Add many_sections_r_test.
9078         (many_sections_r_test_SOURCES): Define.
9079         (many_sections_r_test_DEPENDENCIES): Define.
9080         (many_sections_r_test_LDFLAGS): Define.
9081         (many_sections_r_test_LDADD): Define.
9082         (many_sections_r_test.o): New target.
9083         * testsuite/Makefile.in: Rebuild.
9084
9085 2008-04-17  Cary Coutant  <ccoutant@google.com>
9086
9087         * errors.cc (Errors::info): New function.
9088         (gold_info): New function.
9089         * errors.h (Errors::info): New function.
9090         * gold.h (gold_info): New function.
9091         * object.cc (Input_objects::add_object): Print trace output.
9092         * options.cc (options::parse_set): New function.
9093         (General_options::parse_wrap): Deleted.
9094         (General_options::General_options): Deleted initializer.
9095         * options.h (options::String_set): New typedef.
9096         (options::parse_set): New function.
9097         (DEFINE_set): New macro.
9098         (General_options::wrap): Changed to use DEFINE_set. Changed
9099         callers of any_wrap_symbols and is_wrap_symbol.
9100         (General_options::trace, General_options::trace_symbol):
9101         New options.
9102         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
9103         (General_options::wrap_symbols_): Deleted.
9104         * symtab.cc (Symbol_table::add_from_object): Print trace output.
9105
9106 2008-04-17  David S. Miller  <davem@davemloft.net>
9107
9108         * options.cc (General_options::parse_V): New function.
9109         * options.h: Add entries for -V and -Qy.
9110
9111 2008-04-17  Ian Lance Taylor  <iant@google.com>
9112
9113         * common.cc (Symbol_table::allocate_commons): Remove options
9114         parameter.  Change caller.
9115         (Symbol_table::do_allocate_commons): Remove options parameter.
9116         Change caller.  Just call do_allocate_commons_list twice.
9117         (Symbol_table::do_allocate_commons_list): New function, broken out
9118         of do_allocate_commons.
9119         * common.h (class Allocate_commons_task): Remove options_ field.
9120         Update constructor.
9121         * symtab.cc (Symbol_table::Symbol_table): Initialize
9122         tls_commons_.
9123         (Symbol_table::add_from_object): Put TLS common symbols on
9124         tls_commons_ list.
9125         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
9126         which are IN_OUTPUT_DATA.
9127         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
9128         allocate_commons and do_allocate_commons declarations.  Declare
9129         do_allocate_commons_list.
9130         * gold.cc (queue_middle_tasks): Update creation of
9131         Allocate_commons_task to not pass options.
9132         * testsuite/Makefile.am (INCLUDES): Add -I.. .
9133         (TLS_TEST_C_FLAGS): New variable.
9134         (tls_test_c_pic.o): New target.
9135         (tls_test_shared.so): Link in tls_test_c_pic.o.
9136         (tls_test_c_pic_ie.o): New target.
9137         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
9138         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
9139         (tls_test_c.o): New target.
9140         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
9141         (tls_pic_test_LDADD): Likewise.
9142         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
9143         (tls_shared_gd_to_ie_test_LDADD): Likewise.
9144         (tls_test_c_gnu2.o): New target.
9145         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
9146         tls_test_c_gnu2.o.
9147         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
9148         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
9149         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
9150         * testsuite/tls_test.cc: Include "config.h".
9151         (t_last): Call t11_last.
9152         * testsuite/tls_test.h (t11, t11_last): Declare.
9153         * testsuite/tls_test_c.c: New file.
9154         * testsuite/tls_test_main.cc (thread_routine): Call t11.
9155         * configure.ac: Check for OpenMP support.
9156         * configure, config.in, Makefile.in: Rebuild.
9157         * testsuite/Makefile.in: Rebuild.
9158
9159 2008-04-16  Cary Coutant  <ccoutant@google.com>
9160
9161         * i386.cc (Target_i386::define_tls_base_symbol): New function.
9162         (Target_i386::tls_base_symbol_defined_): New field.
9163         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9164         (Target_i386::Scan::global): Likewise.
9165         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
9166         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
9167         (Target_x86_64::tls_base_symbol_defined_): New field.
9168         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9169         (Target_x86_64::Scan::global): Likewise.
9170
9171 2008-04-16  Cary Coutant  <ccoutant@google.com>
9172
9173         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
9174         (Symbol::needs_plt_entry): Allow weak undefined symbols.
9175         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
9176         building shared libraries.
9177         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
9178         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
9179         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
9180         * testsuite/Makefile.in: Rebuild.
9181         * testsuite/weak_undef.h: New file.
9182         * testsuite/weak_undef_file1.cc: Add extra test cases.
9183         * testsuite/weak_undef_file2.cc: Likewise.
9184         * testsuite/weak_undef_test.cc: Likewise.
9185
9186 2008-04-16  David S. Miller  <davem@davemloft.net>
9187
9188         * sparc.cc (Target_sparc::Scan): Change from struct to class.
9189         Add issued_non_pic_error_ field.  Declare check_non_pic.
9190         (Target_sparc::Scan::check_non_pic): New function.
9191         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
9192         (Target_sparc::Scan::global): Likewise.
9193
9194         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
9195         * configure: Rebuild.
9196
9197         * options.h (DEFINE_enable): New macro.
9198         (new_dtags): New enable option.
9199         (initfirst, interpose, loadfltr, nodefaultlib,
9200         nodelete, nodlopen, nodump): New -z options.
9201         * layout.cc (Layout:finish_dynamic_section): If new
9202         dtags enabled, emit DT_RUNPATH.  Also, emit a
9203         DT_FLAGS_1 containing any specified -z flags.
9204
9205 2008-04-16  Ian Lance Taylor  <iant@google.com>
9206
9207         * copy-relocs.cc: New file.
9208         * copy-relocs.h: New file.
9209         * reloc.cc: Remove Copy_relocs code.
9210         * reloc.h: Likewise.
9211         * reloc-types.h (struct Reloc_types) [both versions]: Add
9212         get_reloc_addend_noerror.
9213         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
9214         variants of add_global which take an addend which must be zero.
9215         * i386.cc: Include "copy-relocs.h".
9216         (class Target_i386): Change type of copy_relocs_ to variable,
9217         update initializer.
9218         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
9219         Change all callers.
9220         (Target_i386::do_finalize_sections): Change handling of
9221         copy_relocs_.
9222         * sparc.cc: Include "copy-relocs.h".
9223         (class Target_sparc): Change type of copy_relocs_ to variable,
9224         update initializer.
9225         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
9226         Change all callers.
9227         (Target_sparc::do_finalize_sections): Change handling of
9228         copy_relocs_.
9229         * x86_64.cc: Include "copy-relocs.h".
9230         (class Target_x86_64): Change type of copy_relocs_ to variable,
9231         update initializer.
9232         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
9233         class.  Change all callers.
9234         (Target_x86_64::do_finalize_sections): Change handling of
9235         copy_relocs_.
9236         * Makefile.am (CCFILES): Add copy-relocs.cc.
9237         (HFILES): Add copy-relocs.h.
9238
9239         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
9240
9241         * testsuite/script_test_4.sh: Permit leading zeroes.
9242
9243 2008-04-15  Ian Lance Taylor  <iant@google.com>
9244
9245         * script-sections.cc (Script_sections::create_segments): Use
9246         header_size_adjustment even when there is enough room for the
9247         headers.
9248         * testsuite/script_test_4.sh: New file.
9249         * testsuite/script_test_4.t: New file.
9250         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
9251         (check_DATA): Add script_test_4.stdout.
9252         (MOSTLYCLEANFILES): Likewise.
9253         (script_test_4): New target.
9254         (script_test_4.stdout): New target.
9255         * testsuite/Makefile.in: Rebuild.
9256
9257         * sparc.cc: Add definitions for Output_data_plt_sparc class
9258         constants.
9259
9260 2008-04-14  David S. Miller  <davem@davemloft.net>
9261
9262         * sparc.cc: New file.
9263         * Makefile.am (TARGETSOURCES): Add sparc.cc
9264         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9265         * configure.tgt: Document targ_extra_size and
9266         targ_extra_big_endian.  Add entries for sparc-* and
9267         sparc64-*.
9268         * configure.ac: Handle targ_extra_size and
9269         targ_extra_big_endian.
9270         * Makefile.in: Rebuild.
9271         * configure: Likewise.
9272         * po/POTFILES.in: Likewise.
9273         * po/gold.pot: Likewise.
9274
9275 2008-04-14  Ian Lance Taylor  <iant@google.com>
9276
9277         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9278         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9279         in the name/type/flags to section mapping.  Don't call
9280         allocate_output_section.
9281         (Layout::choose_output_section): Change parameter from adjust_name
9282         to is_input_section.  Don't permit input sections after sections
9283         are attached to segments.  Don't call allocate_output_section.
9284         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9285         not write_enable_output_section.
9286         (Layout::make_output_section): Don't push to
9287         unattached_section_list_ nor call attach_to_segment.  Call
9288         attach_section_to_segment if sections are attached.
9289         (Layout::attach_sections_to_segments): New function.
9290         (Layout::attach_section_to_segment): New function.
9291         (Layout::attach_allocated_section_to_segment): Rename from
9292         attach_to_segment.  Remove flags parameter.
9293         (Layout::allocate_output_section): Remove function.
9294         (Layout::write_enable_output_section): Remove function.
9295         * layout.h (class Layout): Update for above changes.  Add new
9296         field sections_are_attached_.
9297         * output.h (Output_section::update_flags_for_input_section): New
9298         function.
9299         * output.cc (Output_section::add_input_section): Call
9300         update_flags_for_input_section.
9301         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9302
9303 2008-04-11  Cary Coutant  <ccoutant@google.com>
9304
9305         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9306         thought unnecessary.
9307         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9308
9309 2008-04-11  Ian Lance Taylor  <iant@google.com>
9310
9311         * output.h (class Output_section_data): Remove inline definition
9312         of set_addralign.
9313         * output.cc (Output_section_data::set_addralign): New function.
9314
9315 2008-04-11  Cary Coutant  <ccoutant@google.com>
9316
9317         Add support for TLS descriptors for i386 and x86_64.
9318         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9319         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9320         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9321         GOT_TYPE_TLS_DESC.
9322         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9323         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9324         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9325         relocations.
9326         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9327         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9328         Fix problem with initial-exec relocations.
9329         (Target_i386::Relocate::relocate_tls): Likewise.
9330         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9331         relaxation.
9332         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9333         support for section-plus-offset dynamic table entries.
9334         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9335         (Output_data_dynamic::Dynamic_entry): Add support for
9336         section-plus-offset dynamic table entries.
9337         (Output_data_dynamic::Classification): Likewise.
9338         (Output_data_dynamic::classification_): Renamed offset_.
9339         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9340         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9341         (Target_x86_64::make_plt_section): New function.
9342         (Target_x86_64::reserve_tlsdesc_entries): New function.
9343         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9344         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9345         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9346         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9347         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9348         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9349         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9350         add extra PLT entry for TLS descriptors.
9351         (Output_data_plt_x86_64::got_): New field.
9352         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9353         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9354         fields.
9355         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9356         descriptors.
9357         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9358         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9359         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9360         R_386_TLS_DESC_CALL relocations.
9361         (Target_x86_64::Scan::global): Likewise.
9362         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9363         for TLS descriptors.
9364         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9365         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9366         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9367         GD-to-IE relaxation.
9368         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9369         and TLS_DESCRIPTORS.
9370         * Makefile.in: Rebuild.
9371         * configure: Rebuild.
9372         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9373         (tls_test_shared2.so): New target.
9374         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9375         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9376         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9377         (tls_shared_gd_to_ie_test_LDADD): New variable.
9378         (tls_shared_gnu2_gd_to_ie_test): New target.
9379         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9380         New targets.
9381         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9382         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9383         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9384         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9385         (tls_shared_gnu2_test): New target.
9386         (tls_test_gnu2_shared.so): New target.
9387         (tls_shared_gnu2_test_SOURCES): New variable.
9388         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9389         (tls_shared_gnu2_test_LDFLAGS): New variable.
9390         (tls_shared_gnu2_test_LDADD): New variable.
9391         * testsuite/Makefile.in: Rebuild.
9392         * testsuite/Makefile.
9393
9394 2008-04-11  Ian Lance Taylor  <iant@google.com>
9395
9396         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9397         justsyms.t.
9398         * testsuite/Makefile.in: Rebuild.
9399
9400         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9401         long.
9402         * testsuite/script_test_2.cc (main): Adjust test.
9403
9404 2008-04-11  David S. Miller  <davem@davemloft.net>
9405             Ian Lance Taylor  <iant@google.com>
9406
9407         * options.h (General_options): Add entries for '-Y' and
9408         '-relax'.
9409         * options.cc (General_options:finalize): If -Y was used, add those
9410         entries to the library path instead of the default "/lib" and
9411         "/usr/lib".
9412
9413 2008-04-11  David S. Miller  <davem@davemloft.net>
9414
9415         * testsuite/justsyms.t: Start at 0x100.
9416         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9417         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9418         long.
9419         * testsuite/script_test_2.cc: Adjust string and section length
9420         checks.
9421
9422 2008-04-09  Ian Lance Taylor  <iant@google.com>
9423
9424         PR gold/5996
9425         * script-sections.cc (Sections_element::allocate_to_segment): Add
9426         orphan parameter.
9427         (Output_section_definition::allocate_to_segment): Likewise.
9428         (Orphan_output_section::allocate_to_segment): Likewise.
9429         (Script_sections::attach_sections_using_phdrs_clause): Don't
9430         propagate non-PT_LOAD segments to orphan sections.
9431         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9432         readelf rather than objdump.
9433         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9434         .interp section and PT_INTERP segment are the same size.
9435         * testsuite/Makefile.in: Rebuild.
9436
9437         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9438         aliases for symbols defined in the same object.
9439         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9440         (weak_alias_test_SOURCES): New variable.
9441         (weak_alias_test_DEPENDENCIES): New variable.
9442         (weak_alias_test_LDFLAGS): New variable.
9443         (weak_alias_test_LDADD): New variable.
9444         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9445         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9446         (weak_alias_test_3.o): New target.
9447         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9448         * testsuite/weak_alias_test_main.cc: New file.
9449         * testsuite/weak_alias_test_1.cc: New file.
9450         * testsuite/weak_alias_test_2.cc: New file.
9451         * testsuite/weak_alias_test_3.cc: New file.
9452
9453 2008-04-08  Ian Lance Taylor  <iant@google.com>
9454
9455         * options.h (class General_options): Add --noinhibit-exec option.
9456         * main.cc (main): Check --noinhibit-exec.
9457
9458         * options.h (class General_options): Define --wrap as a special
9459         option.  Add wrap_symbols_ field.
9460         (General_options::any_wrap_symbols): New function.
9461         (General_options::is_wrap_symbol): New function.
9462         * options.cc (General_options::parse_wrap): New function.
9463         (General_options::General_options): Initialize wrap_symbols_.
9464         * symtab.cc (Symbol_table::wrap_symbol): New function.
9465         (Symbol_table::add_from_object): Handle --wrap.
9466         * symtab.h (class Symbol_table): Declare wrap_symbol.
9467         * target.h (Target::wrap_char): New function.
9468         (Target::Target_info): Add wrap_char field.
9469         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9470         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9471         * testsuite/testfile.cc (Target_test::test_target_info):
9472         Likewise.
9473
9474         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9475         there is one.
9476
9477         * layout.h (class Layout): Add added_eh_frame_data_ field.
9478         * layout.cc (Layout::Layout): Initialize new field.
9479         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9480         output section until we find a section we merged successfully.
9481         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9482         that the size be non-zero.
9483
9484         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9485         qualifier.
9486
9487 2008-04-08  Craig Silverstein  <csilvers@google.com>
9488
9489         * configure.ac: Export new conditional variable HAVE_ZLIB.
9490         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9491         on HAVE_ZLIB.
9492         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9493         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9494
9495 2008-04-07  Ian Lance Taylor  <iant@google.com>
9496
9497         * version.cc (version_string): Set to "1.5".
9498
9499         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9500         Add issued_non_pic_error_ field.  Declare check_non_pic.
9501         (Target_x86_64::Scan::check_non_pic): New function.
9502         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9503         (Target_x86_64::Scan::global): Likewise.
9504
9505         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9506         addend parameter.  Change caller.  Handle merge sections.
9507         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9508         Address to Addend.  Don't add in the result of
9509         local_section_offset, pass down the addend and use the returned
9510         value.
9511         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9512         Update declarations of local_section_offset and symbol_value.
9513         * testsuite/two_file_test_1.cc (t18): New function.
9514         * testsuite/two_file_test_2.cc (f18): New function.
9515         * testsuite/two_file_test_main.cc (main): Call t18.
9516         * testsuite/two_file_test.h (t18, f18): Declare.
9517
9518         * configure.ac: Don't test for objdump, c++filt, or readelf.
9519         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9520         conditionals.
9521         (TEST_READELF): New variable.
9522         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9523         (check_PROGRAMS): Add two_file_strip_test.
9524         (two_file_strip_test): New target.
9525         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9526         (two_file_same_shared_strip_test_SOURCES): New variable.
9527         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9528         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9529         (two_file_same_shared_strip_test_LDADD): New variable.
9530         (two_file_shared_strip.so): New target.
9531         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9532         (ver_test_5.syms, ver_test_7.syms): Likewise.
9533         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9534         (strip_test_3.stdout): Use TEST_OBJDUMP.
9535         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9536
9537 2008-04-04  Cary Coutant  <ccoutant@google.com>
9538
9539         * symtab.h (Symbol::is_weak_undefined): New function.
9540         (Symbol::is_strong_undefined): New function.
9541         (Symbol::is_absolute): New function.
9542         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9543         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9544         absolute symbols.
9545         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9546         (weak_undef_test): New target.
9547         * testsuite/Makefile.in: Rebuild.
9548         * testsuite/weak_undef_file1.cc: New file.
9549         * testsuite/weak_undef_file2.cc: New file.
9550         * testsuite/weak_undef_test.cc: New file.
9551
9552 2008-04-03  Craig Silverstein  <csilvers@google.com>
9553
9554         * compressed_output.h (class Output_compressed_section): Use
9555         unsigned buffer.
9556         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9557         add zlib header.
9558         (zlib_compressed_suffix): Removed.
9559         (Output_compressed_section::set_final_data_size): Use unsigned
9560         buffers.
9561         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9562         Fix linker invocation.
9563         (flagstest_o_specialfile_and_compress_debug_sections):
9564         Likewise.
9565         * testsuite/Makefile.in: Regenerated.
9566
9567 2008-04-02  David S. Miller  <davem@davemloft.net>
9568
9569         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9570         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9571
9572 2008-04-02  Craig Silverstein  <csilvers@google.com>
9573
9574         * TODO: New file.
9575
9576 2008-04-02  Ian Lance Taylor  <iant@google.com>
9577
9578         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9579         parameters.  Update for new key type to views_.  Change all
9580         callers.
9581         (File_read::read): Adjust for byteshift in returned view.
9582         (File_read::add_view): New function, broken out of
9583         find_and_make_view.
9584         (File_read::make_view): New function, broken out of
9585         find_and_make_view.
9586         (File_read::find_or_make_view): Add offset and aligned
9587         parameters.  Rewrite accordingly.  Change all callers.
9588         (File_read::get_view): Add offset and aligned parameters.  Adjust
9589         for byteshift in return value.
9590         (File_read::get_lasting_view): Likewise.
9591         * fileread.h (class File_read): Update declarations.
9592         (class File_read::View): Add byteshift_ field.  Add byteshift to
9593         constructor.  Add byteshift method.
9594         * archive.h (Archive::clear_uncached_views): New function.
9595         (Archive::get_view): Add aligned parameter.  Change all callers.
9596         * object.h (Object::get_view): Add aligned parameter.  Change all
9597         callers.
9598         (Object::get_lasting_view): Likewise.
9599
9600         * fileread.cc (File_read::release): Don't call clear_views if
9601         there are multiple objects.
9602         * fileread.h (File_read::clear_uncached_views): New function.
9603         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9604         on the archive.
9605
9606 2008-03-31  Cary Coutant  <ccoutant@google.com>
9607
9608         Add thin archive support.
9609         * archive.cc (Archive::armagt): New const.
9610         (Archive::setup): Remove task parameter and calls to unlock.
9611         (Archive::unlock_nested_archives): New function.
9612         (Archive::read_header): Add nested_off parameter. Change
9613         all callers.
9614         (Archive::interpret_header): Likewise.
9615         (Archive::include_all_members): Change to handle thin
9616         archives.
9617         (Archive::include_member): Likewise.
9618         * archive.h (Archive::Archive): Add new parameters and
9619         initializers.
9620         (Archive::armagt): New const.
9621         (Archive::setup): Remove task parameter.
9622         (Archive::unlock_nested_archives): New function.
9623         (Archive::read_header): Add nested_off parameter.
9624         (Archive::interpret_header): Likewise.
9625         (Archive::Nested_archive_table): New typedef.
9626         (Archive::is_thin_archive_): New field.
9627         (Archive::nested_archives_): New field.
9628         (Archive::options_): New field.
9629         (Archive::dirpath_): New field.
9630         (Archive::task_): New field.
9631         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9632         for thin archives.  Pass additional parameters to
9633         Archive::Archive.  Unlock the archive file after calling
9634         Archive::setup.
9635
9636 2008-03-29  Ian Lance Taylor  <iant@google.com>
9637
9638         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9639         version symbol to be local.
9640         * testsuite/ver_test_4.sh: New file.
9641         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9642         (check_DATA): Add ver_test_4.syms.
9643         (ver_test_4.syms): New target.
9644         * testsuite/Makefile.in: Rebuild.
9645
9646         * output.cc
9647         (Output_section::Input_section_sort_entry::has_priority): New
9648         function.
9649         (Output_section::Input_section_sort_entry::match_file_name): New
9650         function.
9651         (Output_section::Input_section_sort_entry::match_section_name):
9652         Remove.
9653         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9654         Remove.
9655         (Output_section::Input_section_sort_entry::match_section_file):
9656         Remove.
9657         (Output_section::Input_section_sort_compare::operator()): Rewrite
9658         using new Input_section_sort_entry functions.  Sort crtbegin and
9659         crtend first.  Sort sections with no priority before sections with
9660         a priority.
9661         * testsuite/initpri1.c (d3): Check j != 4.
9662         (cd5): New constructor/destructor function.
9663         (main): Check j != 2.
9664
9665         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9666         new symbol when resolving, don't call set_is_default.
9667         * testsuite/ver_test_7.cc: New file.
9668         * testsuite/ver_test_7.sh: New file.
9669         * testsuite/Makefile.am (ver_test_7.so): New target.
9670         (ver_test_7.o): New target.
9671         (check_SCRIPTS): Add ver_test_7.sh.
9672         (check_DATA): Add ver_test_7.syms.
9673         (ver_test_7.syms): New target.
9674
9675 2008-03-28  Ian Lance Taylor  <iant@google.com>
9676
9677         * layout.cc (Layout::layout): If we see an input section with a
9678         name that needs sorting, set the must_sort flag for the output
9679         section.
9680         (Layout::make_output_section): If the name of the output section
9681         indicates that it might require sorting, set the may_sort flag.
9682         * output.h (Output_section::may_sort_attached_input_sections): New
9683         function.
9684         (Output_section::set_may_sort_attached_input_sections): New
9685         function.
9686         (Output_section::must_sort_attached_input_sections): New
9687         function.
9688         (Output_section::set_must_sort_attached_input_sections): New
9689         function.
9690         (class Output_section): Declare Input_section_sort_entry.  Define
9691         Input_section_sort_compare.  Declare
9692         sort_attached_input_sections.  Add new fields:
9693         may_sort_attached_input_sections_,
9694         must_sort_attached_input_sections_,
9695         attached_input_sections_are_sorted_.
9696         * output.cc (Output_section::Output_section): Initialize new
9697         fields.
9698         (Output_section::add_input_section): Add an entry to
9699         input_sections_ if may_sort or must_sort are true.
9700         (Output_section::set_final_data_size): Call
9701         sort_attached_input_sections if necessary.
9702         (Output_section::Input_section_sort_entry): Define new class.
9703         (Output_section::Input_section_sort_compare::operator()): New
9704         function.
9705         (Output_section::sort_attached_input_sections): New function.
9706         * configure.ac: Check whether the compiler supports constructor
9707         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9708         * testsuite/initpri1.c: New file.
9709         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9710         CONSTRUCTOR_PRIORITY.
9711         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9712         (initpri1_LDFLAGS): New variable.
9713         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9714
9715 2008-03-27  Ian Lance Taylor  <iant@google.com>
9716
9717         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9718         * testsuite/common_test_1.c: New file.
9719         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9720         (common_test_1_SOURCES): New variable.
9721         (common_test_1_DEPENDENCIES): New variable.
9722         (common_test_1_LDFLAGS): New variable.
9723
9724         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9725         and commons_ correctly when NAME/VERSION does not override
9726         NAME/NULL.
9727         * testsuite/ver_test_6.c: New file.
9728         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9729         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9730         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9731
9732 2008-03-26  Ian Lance Taylor  <iant@google.com>
9733
9734         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9735         of an undefined symbol from a version script.
9736         * testsuite/Makefile.am (ver_test_5.so): New target.
9737         (ver_test_5.o): New target.
9738         (check_SCRIPTS): Add ver_test_5.sh.
9739         (check_DATA): Add ver_test_5.syms.
9740         (ver_test_5.syms): New target.
9741         * testsuite/ver_test_5.cc: New file.
9742         * testsuite/ver_test_5.script: New file.
9743         * testsuite/ver_test_5.sh: New file.
9744         * Makefile.in, testsuite/Makefile.in: Rebuild.
9745
9746         PR gold/5986
9747         Fix problems building gold with gcc 4.3.0.
9748         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9749         (gold_error_at_location, gold_warning_at_location): Use it.
9750         * configure.ac: Check whether we can compile and use a template
9751         function with a printf attribute.
9752         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9753         when jumping over bytes.
9754         * object.cc: Instantiate Object::read_section_data.
9755         * debug.h: Include <cstring>
9756         * dwarf_reader.cc: Include <algorithm>
9757         * main.cc: Include <cstring>.
9758         * options.cc: Include <cstring>.
9759         * output.cc: Include <cstring>.
9760         * script.cc: Include <cstring>.
9761         * script.h: Include <string>.
9762         * symtab.cc: Include <cstring> and <algorithm>.
9763         * target-select.cc: Include <cstring>.
9764         * version.cc: Include <string>.
9765         * testsuite/testmain.cc: Include <cstdlib>.
9766         * configure, config.in: Rebuild.
9767
9768 2008-03-25  Ian Lance Taylor  <iant@google.com>
9769
9770         * options.cc: Include "../bfd/bfdver.h".
9771         (options::help): Print bug reporting address.
9772
9773         * version.cc (print_version): Adjust output for current value of
9774         BFD_VERSION_STRING.
9775
9776         * NEWS: New file.
9777
9778         * options.cc (options::help): Print list of supported targets.
9779         * target-select.h: Include <vector>.
9780         (class Target_selector): Make machine_, size_, and is_big_endian_
9781         fields const.  Add bfd_name_ and instantiated_target_ fields.
9782         (Target_selector::Target_selector): Add bfd_name parameter.
9783         (Target_selector::recognize): Make non-virtual, call
9784         do_recognize.
9785         (Target_selector::recognize_by_name): Make non-virtual, call
9786         do_recognize_by_name.
9787         (Target_selector::supported_names): New function.
9788         (Target_selector::bfd_name): New function.
9789         (Target_selector::do_instantiate_target): New pure virtual
9790         function.
9791         (Target_selector::do_recognize): New virtual function.
9792         (Target_selector::do_recognize_by_name): New virtual function.
9793         (Target_selector::instantiate_target): New private function.
9794         (supported_target_names): Declare.
9795         * target-select.cc (Target_selector::Target_selector): Update for
9796         new parameter and fields.
9797         (select_target_by_name): Check that the name matches before
9798         calling recognize_by_name.
9799         (supported_target_names): New function.
9800         * i386.cc (class Target_selector_i386): Update Target_selector
9801         constructor call.  Remove recognize and recognize_by_name.  Add
9802         do_instantiate_target.
9803         * x86_64.cc (class Target_selector_x86_64): Likewise.
9804         * testsuite/testfile.cc (class Target_selector_test): Update for
9805         changes to Target_selector.
9806
9807         * README: Rewrite, with some notes on unsupported features.
9808
9809 2008-03-24  Cary Coutant  <ccoutant@google.com>
9810
9811         * i386.cc (Target_i386::Got_type): New enum declaration.
9812         (Target_i386::Scan::local): Updated callers of Output_data_got
9813         member functions.
9814         (Target_i386::Scan::global): Likewise.
9815         (Target_i386::Relocate::relocate): Likewise.
9816         (Target_i386::Relocate::relocate_tls): Likewise.
9817         * object.h (Got_offset_list): New class.
9818         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9819         (Sized_relobj::local_got_offset): Likewise.
9820         (Sized_relobj::set_local_got_offset): Likewise.
9821         (Sized_relobj::local_has_tls_got_offset): Removed.
9822         (Sized_relobj::local_tls_got_offset): Removed.
9823         (Sized_relobj::set_local_tls_got_offset): Removed.
9824         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9825         * output.cc (Output_data_got::add_global): Added got_type parameter.
9826         (Output_data_got::add_global_with_rel): Likewise.
9827         (Output_data_got::add_global_with_rela): Likewise.
9828         (Output_data_got::add_global_pair_with_rel): New function.
9829         (Output_data_got::add_global_pair_with_rela): New function.
9830         (Output_data_got::add_local): Added got_type parameter.
9831         (Output_data_got::add_local_with_rel): Likewise.
9832         (Output_data_got::add_local_with_rela): Likewise.
9833         (Output_data_got::add_local_pair_with_rel): New function.
9834         (Output_data_got::add_local_pair_with_rela): New function.
9835         (Output_data_got::add_global_tls): Removed.
9836         (Output_data_got::add_global_tls_with_rel): Removed.
9837         (Output_data_got::add_global_tls_with_rela): Removed.
9838         (Output_data_got::add_local_tls): Removed.
9839         (Output_data_got::add_local_tls_with_rel): Removed.
9840         (Output_data_got::add_local_tls_with_rela): Removed.
9841         * output.h (Output_data_got::add_global): Added got_type parameter.
9842         (Output_data_got::add_global_with_rel): Likewise.
9843         (Output_data_got::add_global_with_rela): Likewise.
9844         (Output_data_got::add_global_pair_with_rel): New function.
9845         (Output_data_got::add_global_pair_with_rela): New function.
9846         (Output_data_got::add_local): Added got_type parameter.
9847         (Output_data_got::add_local_with_rel): Likewise.
9848         (Output_data_got::add_local_with_rela): Likewise.
9849         (Output_data_got::add_local_pair_with_rel): New function.
9850         (Output_data_got::add_local_pair_with_rela): New function.
9851         (Output_data_got::add_global_tls): Removed.
9852         (Output_data_got::add_global_tls_with_rel): Removed.
9853         (Output_data_got::add_global_tls_with_rela): Removed.
9854         (Output_data_got::add_local_tls): Removed.
9855         (Output_data_got::add_local_tls_with_rel): Removed.
9856         (Output_data_got::add_local_tls_with_rela): Removed.
9857         * resolve.cc (Symbol::override_base_with_special): Removed
9858         reference to has_got_offset_ field.
9859         * symtab.cc (Symbol::init_fields): Replaced initialization
9860         of got_offset_ with got_offsets_.  Removed initialization
9861         of has_got_offset_
9862         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9863         (Symbol::got_offset): Likewise.
9864         (Symbol::set_got_offset): Likewise.
9865         (Symbol::has_tls_got_offset): Removed.
9866         (Symbol::tls_got_offset): Removed.
9867         (Symbol::set_tls_got_offset): Removed.
9868         (Symbol::got_offset_): Removed.
9869         (Symbol::tls_mod_got_offset_): Removed.
9870         (Symbol::tls_pair_got_offset_): Removed.
9871         (Symbol::got_offsets_): New field.
9872         (Symbol::has_got_offset): Removed.
9873         (Symbol::has_tls_mod_got_offset): Removed.
9874         (Symbol::has_tls_pair_got_offset): Removed.
9875         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9876         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9877         member functions.
9878         (Target_x86_64::Scan::global): Likewise.
9879         (Target_x86_64::Relocate::relocate): Likewise.
9880         (Target_x86_64::Relocate::relocate_tls): Likewise.
9881
9882 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9883
9884         * yyscript.y: Fix spelling error in comment.
9885
9886 2008-03-24  Ian Lance Taylor  <iant@google.com>
9887
9888         * options.h (class General_options): Define build_id option.
9889         * layout.h (class Layout): Declare write_build_id, create_note,
9890         create_build_id.  Add build_id_note_ member.
9891         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9892         "libiberty.h", "md5.h", "sha1.h".
9893         (Layout::Layout): Initialize eh_frame_data_,
9894         eh_frame_hdr_section_, and build_id_note_.
9895         (Layout::finalize): Call create_build_id.
9896         (Layout::create_note): New function, broken out of
9897         Layout::create_gold_note.
9898         (Layout::create_gold_note): Call create_note.
9899         (Layout::create_build_id): New function.
9900         (Layout::write_build_id): New function.
9901         (Close_task_runner::run): Call write_build_id.
9902
9903         * x86_64.cc: Correct license to GPLv3.
9904
9905 2008-03-23  Ian Lance Taylor  <iant@google.com>
9906
9907         * options.cc: Include "demangle.h".
9908         (parse_optional_string): New function.
9909         (parse_long_option): Handle takes_optional_argument.
9910         (parse_short_option): Update dash_z initializer.  Handle
9911         takes_optional_argument.
9912         (General_options::General_options): Initialize do_demangle_.
9913         (General_options::finalize): Set do_demangle_.  Handle demangling
9914         style.
9915         * options.h (parse_optional_string): Declare.
9916         (struct One_option): Add optional_arg field.  Update constructor.
9917         Update call constructor calls.  Add takes_optional_argument
9918         function.
9919         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9920         (DEFINE_optional_string): Define.
9921         (General_options::demangle): Change from DEFINE_bool to
9922         DEFINE_optional_string.
9923         (General_options::no_demangle): New function.
9924         (General_options::do_demangle): New function.
9925         (General_options::set_do_demangle): New function.
9926         (General_options::execstack_status_): Move definition to end of
9927         class definition.
9928         (General_options::static_): Likewise.
9929         (General_options::do_demangle_): New field.
9930         * object.cc (big_endian>::get_symbol_location_info): Call
9931         Options::do_demangle, not Options::demangle.
9932         * symtab.cc (demangle): Likewise.
9933
9934 2008-03-22  Ian Lance Taylor  <iant@google.com>
9935
9936         * gold.h: Include <cstddef> and <sys/types.h>
9937         * options.h: Include <cstring>.
9938
9939 2008-03-21  Ian Lance Taylor  <iant@google.com>
9940
9941         * Added source code to GNU binutils.