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20         * dwarf_reader.cc: Remove outdated comment.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