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