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