Optimize _bfd_elf_allocate_ifunc_dyn_relocs.
[binutils.git] / gold / ChangeLog
blobef9771f2e8d5820be66f32275fa38ea2ee3f9e67
1 2011-01-04  Cary Coutant  <ccoutant@google.com>
3         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4         sections before NOBITS sections.
6 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
8         * version.cc (print_version): Update copyright to 2011.
10 2010-12-23  Cary Coutant  <ccoutant@google.com>
12         * output.h (Output_data_reloc::add_output_section): Pass OD instead
13         of OS to this->add.  Add OD parameter to second form of the function.
15 2010-12-20  Ian Lance Taylor  <iant@google.com>
17         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
18         second of two consecutive entries with same offset.
20 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22         * testsuite/Makefile.am (ifuncmain2static_LDADD)
23         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
24         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
25         to avoid unneeded links against $(LDADD).
26         * testsuite/Makefile.in: Regenerate.
28 2010-12-15  Ian Lance Taylor  <iant@google.com>
30         PR gold/12324
31         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
32         for R_X86_64_32 and R_X86_64_PC32.
33         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
34         ver_matching_def_pic.o.
35         (ver_matching_def_pic.o): New target.
37 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
39         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
40         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
41         Move definition before File_read::View member definitions.
42         (File_read::View::~View): Initialize and hold lock before
43         updating current_mapped_bytes.
45 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
47         * dwarf_reader.cc: Remove outdated comment.
48         * gold-threads.cc: Fix typo in error message.
49         * archive.cc: Fix typos in comments.
50         * archive.h: Likewise.
51         * arm-reloc-property.cc: Likewise.
52         * arm-reloc-property.h: Likewise.
53         * arm-reloc.def: Likewise.
54         * arm.cc: Likewise.
55         * attributes.h: Likewise.
56         * cref.cc: Likewise.
57         * ehframe.cc: Likewise.
58         * fileread.h: Likewise.
59         * gold.h: Likewise.
60         * i386.cc: Likewise.
61         * icf.cc: Likewise.
62         * incremental.h: Likewise.
63         * int_encoding.cc: Likewise.
64         * layout.h: Likewise.
65         * main.cc: Likewise.
66         * merge.h: Likewise.
67         * object.cc: Likewise.
68         * object.h: Likewise.
69         * options.cc: Likewise.
70         * readsyms.cc: Likewise.
71         * reduced_debug_output.cc: Likewise.
72         * reloc.cc: Likewise.
73         * script-sections.cc: Likewise.
74         * sparc.cc: Likewise.
75         * symtab.h: Likewise.
76         * target-reloc.h: Likewise.
77         * target.cc: Likewise.
78         * target.h: Likewise.
79         * timer.cc: Likewise.
80         * timer.h: Likewise.
81         * x86_64.cc: Likewise.
83 2010-12-09  Cary Coutant  <ccoutant@google.com>
85         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
86         stack.
87         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
88         parameter; change all callers.
89         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
90         * options.h (warn_execstack): New option.
92 2010-12-07  Doug Kwan  <dougkwan@google.com>
94         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
95         like function call relocations.
97 2010-12-07  Ian Lance Taylor  <iant@google.com>
99         * archive.cc (Archive::get_elf_object_for_member): Permit
100         punconfigured to be NULL.
101         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
102         (Archive::include_member): Pass NULL to get_elf_object_for_member
103         if we searched for the archive and this is the first included
104         object.
106 2010-12-01  Ian Lance Taylor  <iant@google.com>
108         * dwarf_reader.h (class Sized_dwarf_line_info): Add
109         track_relocs_type_ field.
110         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
111         Set track_relocs_type_.
112         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
113         contents when using RELA relocs.
114         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
115         reloc_map_.
116         * reloc.cc (Track_relocs::next_addend): New function.
117         * reloc.h (class Track_relocs): Declare next_addend.
119 2010-12-01  Ian Lance Taylor  <iant@google.com>
121         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
122         virtual destructor.
124 2010-12-01  Ian Lance Taylor  <iant@google.com>
126         * README: Update compilers known to work and fail.
128 2010-11-23  Matthias Klose  <doko@ubuntu.com>
130         * configure.in: For --enable-gold, handle value `default' instead of
131         `both*'.  Always install ld as ld.bfd, install as ld if gold is
132         not the default.
133         * configure: Regenerate.
135 2010-11-18  Doug Kwan  <dougkwan@google.com>
137         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
138         and right_alignment to be zero.  Store result alignment only if it is
139         greater than existing alignment.
141 2010-11-16  Cary Coutant  <ccoutant@google.com>
143         PR gold/12220
144         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
145         Check for ".zdebug_line".
147 2010-11-16  Doug Kwan  <dougkwan@google.com>
148             Cary Coutant  <ccoutant@google.com>
150         * output.h (Output_segment::set_section_addresses): Pass increase_relro
151         by reference; adjust all callers.
152         * output.cc (Output_segment::set_section_addresses): Adjust references
153         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
154         list is empty.
155         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
156         end at page boundary.
158 2010-11-16  Cary Coutant  <ccoutant@google.com>
160         PR gold/12220
161         * layout.cc (Layout::choose_output_section): Transform names of
162         compressed sections even when using a script with a SECTIONS clause.
163         (Layout::output_section_name): Remove code to transform
164         compressed debug section names.
165         * output.cc (Output_section::add_input_section): Use uncompressed
166         section size when tracking input sections.
168 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
170         * symtab.h (Symbol::NON_PIC_REF): Remove.
171         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
172         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
173         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
174         (Symbol::use_plt_offset): Take a flags argument and pass it
175         directly to needs_dynamic_reloc.  Restrict check for undefined
176         weak symbols to function calls.
177         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
178         (Target_arm::Scan::global): Use it.
179         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
180         (Target_arm::Relocate::relocate): Likewise.
181         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
182         parameter with an r_type parameter.  Use get_reference_flags
183         to get the flags.
184         (Target_arm::Relocate::relocate): Update accordingly.
185         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
186         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
187         (Target_i386::Scan::global): Likewise.
188         (Target_i386::Relocate::relocate): Likewise.
189         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
190         parameter with an r_type parameter.  Use get_reference_flags
191         to get the flags.
192         (Target_i386::Relocate::relocate): Update accordingly.
193         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
194         (Target_powerpc::Scan::global): Use it.
195         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
196         (Target_powerpc::Relocate::relocate): Likewise.
197         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
198         (Target_sparc::Scan::global): Use it.
199         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
200         (Target_sparc::Relocate::relocate): Likewise.
201         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
202         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
203         (Target_x86_64::Scan::global): Likewise.
204         (Target_x86_64::Relocate::relocate): Likewise.
206 2010-11-08  Doug Kwan  <dougkwan@google.com>
207             Cary Coutant  <ccoutant@google.com>
209         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
210         (Arm_exidx_merge_section::section_contents_): New data member.
211         (Arm_input_section::Arm_input_section): Initialize original_contents_.
212         (Arm_input_section::~Arm_input_section): De-allocate memory.
213         (Arm_input_section::original_contents_): New data member.       
214         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
215         in parameters instead of calling Object::section_contents without
216         locking.
217         (Arm_output_section::group_section): New parameter TASK.  Pass it
218         to callees that need locking objects.
219         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
220         to lock EXIDX input sections.  Fix a formatting issue.  Call
221         Arm_exidx_merged_section::build_contents to create merged section
222         contents.
223         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
224         to lock object of stub table owner.
225         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
226         TEXT_SIZE to initialize data member TEXT_SIZE_.
227         (Arm_exidx_input_section::addralign): Fix typo in comment.
228         (Arm_exidx_input_section::text_size): New method.
229         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
230         that require locking objects.  Lock objects before scanning for stubs
231         and updating local symbols.
232         (Arm_input_section<big_endian>::init): Copy contents of original
233         input section.
234         (Arm_input_section<big_endian>::do_write): Use saved contents of
235         original input section instead of calling Object::section_contents
236         without locking.
237         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
238         size without calling Object::section_size().
239         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
240         for size.  Allocate a buffer for merged EXIDX entries.
241         (Arm_exidx_merged_section::build_contents): New method.
242         (Arm_exidx_merged_section::do_write): Move merge section contents
243         building code to Arm_exidx_merged_section::build_contetns.  Write
244         out contetns in buffer instead of building it on the fly.
245         (Arm_relobj::make_exidx_input_section): Also pass text section size
246         to Arm_exidx_input_section constructor.
247         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
248         (Arm_dynobj::do_read_symbols): Fix memory leak.
249         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
250         * target.h: (class Task): Add forward declaration.
251         (Target::relax): Add new parameter TASK and pass it to
252         Target::do_relax().
253         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
255 2010-11-05  Cary Coutant  <ccoutant@google.com>
257         PR gold/10708
258         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
259         object when reading from the file.
260         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
261         second layout pass.
262         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
263         when reading section contents.
264         (get_section_contents): Likewise.
265         (icf::find_identical_sections): Likewise.
266         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
267         object when reading from the file.
268         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
269         the object when doing deferred section layout.
271 2010-11-03  Nick Clifton  <nickc@redhat.com>
273         PR gold/12001
274         * script.h (class Symbol_assignment: name): New member.  Returns
275         the name of the symbol.
276         * scrfipt.cc (Script_options::is_pending_assignment): New member.
277         Returns true if the given symbol name is on the list of
278         assignments wating to be processed.
279         * archive.cc (should_incldue_member): If the symbol is undefined,
280         check to see if it is on the list of symbols pending assignment.
282 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
284         * script-sections.cc (Script_sections::find_memory_region): Check
285         for a NULL output section pointer.
287 2010-10-29  Doug Kwan  <dougkwan@google.com>
289         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
290         Output_section::add_relaxed_input_section.
291         * output.cc (Output_section::add_relaxed_input_section): Add new
292         arguments LAYOUT and NAME.  Set section order index.
293         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
294         Copy section order index.
295         * output.h (Output_section::add_relaxed_input_section): Add new
296         arguments LAYOUT and NAME.
298 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
300         * testsuite/Makefile.am: Move gcctestdir/ld rule to
301         NATIVE_OR_CROSS_LINKER.
302         * testsuite/Makefile.in: Regenerate.
304 2010-10-20  Doug Kwan  <dougkwan@google.com>
306         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
307         without SHF_LINK_ORDER flags.
308         * layout.cc (Layout::choose_output_section): Do not filter
309         SHF_LINK_ORDER flag in a relocatable link.
311 2010-10-17  Cary Coutant  <ccoutant@google.com>
313         * output.h (Output_segment::set_section_addresses): Change function
314         signature.  Update all callers.
315         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
316         sections.
317         (Output_segment::set_section_addresses): Align after last TLS
318         section.  Add padding before last relro section instead of after.
320 2010-10-17  Doug Kwan  <dougkwan@google.com>
322         * gold/arm.cc (Target_arm::got_section): Use correct order and set
323         GOT output section to be writable.
325 2010-10-14  Cary Coutant  <ccoutant@google.com>
327         * debug.h (DEBUG_INCREMENTAL): New flag.
328         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
329         * gold.cc (queue_initial_tasks): Check parameters for incremental link
330         mode.
331         * incremental.cc (report_command_line): Ignore all forms of
332         --incremental.
333         * layout.cc (Layout::Layout): Check parameters for incremental link
334         mode.
335         * options.cc (General_options::parse_incremental): New function.
336         (General_options::parse_no_incremental): New function.
337         (General_options::parse_incremental_full): New function.
338         (General_options::parse_incremental_update): New function.
339         (General_options::incremental_mode_): New data member.
340         (General_options::finalize): Check incremental_mode_.
341         * options.h (General_options): Update help text for --incremental.
342         Add --no-incremental, --incremental-full, --incremental-update.
343         (General_options::Incremental_mode): New enum type.
344         (General_options::incremental_mode): New function.
345         (General_options::incremental_mode_): New data member.
346         * parameters.cc (Parameters::incremental_mode_): New data member.
347         (Parameters::set_options): Set incremental_mode_.
348         (Parameters::set_incremental_full): New function.
349         (Parameters::incremental): New function.
350         (Parameters::incremental_update): New function.
351         (set_parameters_incremental_full): New function.
352         * parameters.h (Parameters::set_incremental_full): New function.
353         (Parameters::incremental): New function.
354         (Parameters::incremental_update): New function.
355         (Parameters::incremental_mode_): New data member.
356         (set_parameters_incremental_full): New function.
357         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
358         incremental link mode.
359         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
360         (Sized_relobj::do_relocate_sections): Likewise.
361         * testsuite/Makefile.am (incremental_test): Use --incremental-full
362         option.
363         * testsuite/Makefile.in: Regenerate.
364         * testsuite/incremental_test.sh: Filter all forms of --incremental.
366 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
368         * script-sections.h (class Script_sections): Make
369         Sections_elements typedef public.
370         * script-sections.cc (class Sort_output_sections): Add elements_
371         field.  Add constructor which sets it; change all callers.
372         (Sort_output_sections::is_before): New function.
373         (Sort_output_sections::operator()): Call is_before.
374         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
375         conditional.
376         * testsuite/script_test_10.sh: New test. Test script section
377         order.
378         * testsuite/script_test_10.t: Likewise.
379         * testsuite/script_test_10.s: Likewise.
380         * testsuite/Makefile.am: Wrap the cross linker tests and the
381         common tests into NATIVE_OR_CROSS_LINKER.
382         (check_SCRIPTS): Add script_test_10.sh.
383         (check_DATA): Add script_test_10.stdout.
384         (script_test_10.o, script_test_10): New targets.
385         (script_test_10.stdout): New target.
386         * configure, testsuite/Makefile.in: Regenerate.
388 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
390         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
391         error for the deprecated relocations.
392         (Target_arm::Scan::global): Likewise.
393         (Target_arm::Relocate::relocate): Likewise.
395 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
397         * fileread.cc (Input_file::find_file): Initialize *found_name
398         and *namep when using the fallback search for case 4.
400 2010-10-11  Cary Coutant  <ccoutant@google.com>
402         * options.h (class General_options): Redefine -z lazy as an alias for
403         the negation of -z now.
405 2010-10-11  Ian Lance Taylor  <iant@google.com>
407         * resolve.cc (symbol_to_bits): Report the value of the unsupported
408         binding.
410 2010-10-06  Nick Clifton  <nickc@redhat.com>
412         * script-sections.cc(class Memory_region): Remove
413         current_lma_offset_ field.  Rename current_vma_offset_ to
414         current_offset_.  Add last_section_ field.
415         (Memory_region::get_current_vma_address): Rename to
416         get_current_address.
417         (Memory_region::get_current_lma_address): Delete.
418         (Memory_region::increment_vma_offset): Rename to
419         increment_offset.
420         (Memory_region::increment_lma_offset): Delete.
421         (Memory_region::attributes_compatible): New method.  Returns
422         true if the provided section is compatible with the region.
423         (Memory_region::get_last_section): New method.  Returns the last
424         section to use the region.
425         (Memory_region::set_last_section): New method.  Stores the last
426         section to use the region.
427         (Script_sections::block_in_region): New method.  Returns true if
428         a block of memory is contained within a region.
429         (Script_sections::find_memory_region): New method.  Locates a
430         memory region to be used to set a VMA or LMA address.
431         (Output_section_definition::set_section_addresses): Add code to
432         check for addresses set by memory regions.
433         (Output_segment::set_section_addresses): Remove memory region
434         walking code.
435         (Script_sections::create_segment): Add a warning if a header
436         segment is created outside of any region.
437         * script-sections.h (class Script_sections): Add prototypes for
438         find_memory_region and block_in_region methods.
439         * testsuite/memory_test.s: Use .long instead of .word.
440         * testsuite/memory_test.t: Add some more output sections.
441         * testsuite/memory_test.sh: Update expected output.
443 2010-10-02  Doug Kwan  <dougkwan@google.com>
445         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
446         defintion to symtab.h
447         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
448         declaration to defintion.
450 2010-10-01  Nick Clifton  <nickc@redhat.com>
452         * expression.cc (eval): Replace dummy argument with NULL.
453         (eval_maybe_dot): Check for a NULL result section pointer.
454         (Symbol_expression::value): Likewise.
455         (Dot_expression::value): Likewise.
456         (BINARY_EXPRESSION): Likewise.
457         (Max_expression::value): Likewise.
458         (Min_expression::value): Likewise.
459         (Absolute_expression::value): Likewise.
460         (Addr_expression::value_from_output_section): Likewise.
461         (Loaddddr_expression::value_from_output_section): Likewise.
462         (Segment_start_expression::value): Likewise.
463         * script-sections.cc
464         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
465         argument with NULL.
466         (Sections_elememt_dot_assignment::set_section_addresses):
467         Likewise.
468         (Output_data_expression::do_write_to_buffer): Likewise.
469         (Output_section_definition::finalize_symbols): Likewise.
470         (Output_section_definition::set_section_addresses): Likewise.
472 2010-09-30  Doug Kwan  <dougkwan@google.com>
474         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
476 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
478         * target.h (Target::can_icf_inline_merge_sections): New virtual
479         function.
480         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
481         virtual function.
482         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
483         virtual function.
484         * icf.cc (get_section_contents): Inline merge sections only when
485         target allows it.
487 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
489         * configure: Regenerate.
491 2010-09-17  Ian Lance Taylor  <iant@google.com>
493         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
494         * testsuite/Makefile.am (memory_test.o): New target.
495         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
496         memory_test.t.
497         * testsuite/Makefile.in: Rebuild.
499 2010-09-17  Doug Kwan  <dougkwan@google.com>
501         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
502         defintion if relocation uses GOT entries of the symbol.
503         * testsuite/icf_safe_test.sh: Fix test.
504         * testsuite/icf_safe_so_test.sh: Fix test.
506 2010-09-16  Cary Coutant  <ccoutant@google.com>
508         * script_sections.cc (class Memory_region): Remove "NULL" from
509         vector initializations.
511 2010-09-15  Cary Coutant  <ccoutant@google.com>
513         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
514         Resolve forwarding symbols.
516 2010-09-15  Doug Kwan  <dougkwan@google.com>
518         * gold/testsuite/script_test_3.t: Add ARM special sections.
519         * gold/testsuite/script_test_4.t: Same.
520         * gold/testsuite/script_test_5.t: Same.
521         * gold/testsuite/script_test_6.t: Same.
522         * gold/testsuite/script_test_7.t: Same.
523         * gold/testsuite/script_test_7.t: Same.
524         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
526 2010-09-14  Cary Coutant  <ccoutant@google.com>
528         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
529         (Target_x86_64::Relocate::relocate_tls): Replace check for
530         saw_tls_block_reloc_ with test for executable section.
532 2010-09-12  Cary Coutant  <ccoutant@google.com>
534         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
535         position-independent executables to shared libraries need dynamic
536         relocations.
537         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
538         position-independent executables.
539         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
540         * testsuite/Makefile.in: Regenerate.
542 2010-09-10  Nick Clifton  <nickc@redhat.com>
544         PR gold/11997
545         * testsuite/memory_test.t: Discard any sections that are not
546         needed.
548 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
550         PR gold/11996
551         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
552         "This::" to work around a bug in gcc 4.2.
554         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
556 2010-09-09  Rafael Espindola  <espindola@google.com>
558         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
559         sections with different PF_X flags in the same segment.
560         (Layout::find_first_load_seg): Search all segments to find the first
561         one.
562         * options.h (rosegment): New.
564 2010-09-08  Rafael Espindola  <espindola@google.com>
566         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
568 2010-09-08  Doug Kwan  <dougkwan@google.com>
570         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
571         (Arm_relobj::do_relocate_sections): Add new parameter for output
572         file to match the parent.
573         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
574         of local symbols instead of input values.  Update code to track
575         changes in gold::relocate_section.
576         * object.cc (Sized_relobj::compute_final_local_value): New methods.
577         (Sized_relobj::compute_final_local_value_internal): New methods.
578         (Sized_relobj::do_finalize_local_symbols): Move code from loop
579         body into private version of Sized_relobj::compute_final_local_value.
580         Call the inline method.
581         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
582         merged symbol value if there is one.
583         (Symbol_value::has_output_value): New method defintiion.
584         (Sized_relobj::Compute_final_local_value_status): New enum type.
585         (Sized_relobj::compute_final_local_value): New methods.
586         (Sized_relobj::compute_final_local_value_internal): New methods.
587         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
588         and arm_cortex_a8.sh.
589         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
590         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
591         New tests.
592         * Makefile.in: Regenerate.
593         * testsuite/arm_bl_out_of_range.s: Update test.
594         * testsuite/thumb_bl_out_of_range.s: Ditto.
595         * testsuite/thumb_blx_out_of_range.s: Ditto.
596         * testsuite/arm_branch_out_of_range.sh: New file.
597         * testsuite/arm_cortex_a8.sh: Ditto.
598         * testsuite/arm_cortex_a8_b.s: Ditto.
599         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
600         * testsuite/arm_cortex_a8_b_local.s: Ditto.
601         * testsuite/arm_cortex_a8_bl.s: Ditto.
602         * testsuite/arm_cortex_a8_blx.s: Ditto.
603         * testsuite/arm_cortex_a8_local.s: Ditto.
604         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
605         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
607 2010-09-08  Rafael Espindola  <espindola@google.com>
609         * Makefile.am (memory_test.stdout): Run readelf with -W.
610         * Makefile.in: Regenerate.
611         * testsuite/memory_test.sh: Make the regexps accept both 32 and
612         64 bit output.
614 2010-09-08  Rafael Espindola  <espindola@google.com>
616         * script-sections.cc (Script_sections::add_memory_region): Convert
617         field precision to int.
618         * script.cc (script_set_section_region, script_set_section_region):
619         Convert field precision to int.
621 2010-09-08  Rafael Espindola  <espindola@google.com>
623         * arm.cc (do_finalize_sections): Create the __exidx_start and
624         __exdix_end symbols even when the section is missing.
626 2010-09-08  Nick Clifton  <nickc@redhat.com>
628         * README: Remove claim that MEMORY is not supported.
629         * expression.cc (script_exp_function_origin)
630         (script_exp_function_length): Move from here to ...
631         * script.cc: ... here.
632         (script_set_section_region, script_add_memory)
633         (script_parse_memory_attr, script_include_directive): New
634         functions.
635         * script-sections.cc
636         (class Memory_region): New class.
637         (class Output_section_definition): Add set_memory_region,
638         set_section_vma, set_section_lma and get_section_name methods.
639         (class Script_Sections): Add add_memory_region,
640         find_memory_region, find_memory_region_origin,
641         find_memory_region_length and set_memory_region methods.
642         Have set_section_addresses method walk the list of set memory
643         regions.
644         Extend the print methos to display memory regions.
645         * script-sections.h: Add prototypes for new methods.
646         Add enum for MEMORY region attributes.
647         * yyscript.y: Add support for parsing MEMORY regions.
648         * script-c.h: Add prototypes for new functions.
649         * testsuite/Makefile.am: Add test of MEMORY region functionality.
650         * testsuite/Makefile.in: Regenerate.
651         * testsuite/memory_test.sh: New script.
652         * testsuite/memory_test.s: New assembler source file.
653         * testsuite/memory_test.t: New linker script.
655 2010-08-27  Doug Kwan  <dougkwan@google.com>
657         * gold/resolve.cc (Symbol_table::should_override): Let a weak
658         reference override an existing dynamic weak reference.
659         * testsuite/Makefile.am: Add new test dyn_weak_ref.
660         * testsuite/Makefile.in: Regenerate.
661         * testsuite/dyn_weak_ref.sh: New file.
662         * testsuite/dyn_weak_ref_1.c: Ditto.
663         * testsuite/dyn_weak_ref_2.c: Ditto.
665 2010-08-27  Ian Lance Taylor  <iant@google.com>
667         * incremental.h (class Incremental_input_entry): Add virtual
668         destructor.
670 2010-08-27  Ian Lance Taylor  <iant@google.com>
672         * testsuite/start_lib_test_3.c: Mark t3 as used.
674 2010-08-27  Nick Clifton  <nickc@redhat.com>
676         * options.cc (version_script): Fix small typo in previous
677         whitespace tidyup.
679 2010-08-25  Nick Clifton  <nickc@redhat.com>
681         * archive.cc: Formatting fixes: Remove whitespace between
682         typename and following asterisk.  Remove whitespace between
683         function name and opening parenthesis.
684         * archive.h: Likewise.
685         * arm.cc: Likewise.
686         * attributes.cc: Likewise.
687         * attributes.h: Likewise.
688         * common.cc: Likewise.
689         * copy-relocs.cc: Likewise.
690         * dirsearch.h: Likewise.
691         * dynobj.cc: Likewise.
692         * ehframe.cc: Likewise.
693         * ehframe.h: Likewise.
694         * expression.cc: Likewise.
695         * fileread.cc: Likewise.
696         * fileread.h: Likewise.
697         * gc.h: Likewise.
698         * gold-threads.cc: Likewise.
699         * gold.cc: Likewise.
700         * i386.cc: Likewise.
701         * icf.h: Likewise.
702         * incremental-dump.cc: Likewise.
703         * incremental.cc: Likewise.
704         * layout.cc: Likewise.
705         * layout.h: Likewise.
706         * main.cc: Likewise.
707         * merge.cc: Likewise.
708         * merge.h: Likewise.
709         * object.cc: Likewise.
710         * object.h: Likewise.
711         * options.cc: Likewise.
712         * options.h: Likewise.
713         * output.cc: Likewise.
714         * output.h: Likewise.
715         * plugin.cc: Likewise.
716         * plugin.h: Likewise.
717         * powerpc.cc: Likewise.
718         * reloc.cc: Likewise.
719         * script-c.h: Likewise.
720         * script-sections.cc: Likewise.
721         * script.cc: Likewise.
722         * stringpool.cc: Likewise.
723         * symtab.cc: Likewise.
724         * symtab.h: Likewise.
725         * target.cc: Likewise.
726         * timer.cc: Likewise.
727         * timer.h: Likewise.
728         * version.cc: Likewise.
729         * x86_64.cc: Likewise.
731 2010-08-24  Nick Clifton  <nickc@redhat.com>
733         PR 11899
734         * layout.cc (segment_precedes): Sort segments by their physical
735         addresses, if they have been set.
737 2010-08-23  Cary Coutant  <ccoutant@google.com>
739         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
740         symbols data.
741         (Lib_group::include_member): Unlock object after deleting its
742         symbols data.
743         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
744         the bug fixed here.
746 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
747             Cary Coutant  <ccoutant@google.com>
749         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
750         constructor, and set_blocker.
751         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
752         readsyms_blocker_.
753         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
754         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
755         * testsuite/Makefile.am (start_lib_test): New test case.
756         * testsuite/Makefile.in: Regenerate.
757         * testsuite/start_lib_test_main.c: New file.
758         * testsuite/start_lib_test_1.c: New file.
759         * testsuite/start_lib_test_2.c: New file.
760         * testsuite/start_lib_test_3.c: New file.
762 2010-08-19  Ian Lance Taylor  <iant@google.com>
764         * Makefile.in: Rebuild with automake 1.11.1.
765         * aclocal.m4: Likewise.
766         * testsuite/Makefile.in: Likewise.
768 2010-08-19  Ian Lance Taylor  <iant@google.com>
770         PR 10893
771         * i386.cc (class Output_data_plt_i386): Update declarations.
772         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
773         local_ifuncs_ fields.
774         (Target_i386::do_plt_section_for_global): New function.
775         (Target_i386::do_plt_section_for_local): New function.
776         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
777         parameter; change all callers.  Initialize global_ifuncs_ and
778         local_ifuncs_.  If doing a static link define __rel_iplt_start and
779         __rel_iplt_end.
780         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
781         (Output_data_plt_i386::add_local_ifunc_entry): New function.
782         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
783         symbols.
784         (Target_i386::make_plt_section): New function, broken out of
785         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
786         (Target_i386::make_plt_entry): Call make_plt_section.
787         (Target_i386::make_local_ifunc_plt_entry): New function.
788         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
789         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
790         R_386_IRELATIVE to switch.
791         (Target_i386::Scan::global): Likewise.
792         (Target_i386::Relocate::relocate): Likewise.
793         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
794         switch.
795         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
796         (Target_x86_64::do_plt_section_for_global): New function.
797         (Target_x86_64::do_plt_section_for_local): New function.
798         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
799         parameter; change all callers.  If doing a static link define
800         __rela_iplt_start and __rela_iplt_end.
801         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
802         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
803         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
804         to point to .plt.
805         (Target_x86_64::make_local_ifunc_plt_entry): New function.
806         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
807         switch.
808         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
809         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
810         R_X86_64_IRELATIVE to switch.
811         (Target_x86_64::Scan::global): Likewise.
812         (Target_x86_64::Relocate::relocate): Likewise.
813         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
814         switch.
815         * target.h (class Target): Add plt_section_for_global and
816         plt_section_for_local functions.  Add do_plt_section_for_global
817         and do_plt_section_for_local virtual functions.
818         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
819         clarifying comments.
820         (Symbol::use_plt_offset): Handle IFUNC symbol.
821         * object.cc (Sized_relobj::Sized_relobj): Initialize
822         local_plt_offsets_.
823         (Sized_relobj::local_has_plt_offset): New function.
824         (Sized_relobj::local_plt_offset): New function.
825         (Sized_relobj::set_local_plt_offset): New function.
826         (Sized_relobj::do_count): Handle IFUNC symbol.
827         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
828         a bit away from input_shndx_ field.  Add set_is_func_symbol and
829         is_ifunc_symbol functions.
830         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
831         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
832         local_plt_offsets_ field.
833         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
834         * output.h (class Output_section_data): Add non-const
835         output_section function.
836         (class Output_data_got): Update declarations.
837         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
838         Add use_plt_offset parameter to global and local constructors.
839         Change all callers.  Change local_sym_index_ field to 31 bits.
840         Change GSYM_CODE and CONSTANT_CODE accordingly.
841         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
842         doing a static link don't set sh_link field.
843         (Output_data_got::Got_entry::write): Use PLT offset if
844         appropriate.
845         (Output_data_got::add_global_plt): New function.
846         (Output_data_got::add_local_plt): New function.
847         * target-reloc.h (relocate_section): Handle IFUNC symbol.
848         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
849         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
850         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
851         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
852         IFUNC conditional.
853         * testsuite/ifunc-sel.h: New file.
854         * testsuite/ifuncmain1.c: New file.
855         * testsuite/ifuncmain1vis.c: New file.
856         * testsuite/ifuncmod1.c: New file.
857         * testsuite/ifuncdep2.c: New file.
858         * testsuite/ifuncmain2.c: New file.
859         * testsuite/ifuncmain3.c: New file.
860         * testsuite/ifuncmod3.c: New file.
861         * testsuite/ifuncmain4.c: New file.
862         * testsuite/ifuncmain5.c: New file.
863         * testsuite/ifuncmod5.c: New file.
864         * testsuite/ifuncmain6pie.c: New file.
865         * testsuite/ifuncmod6.c: New file.
866         * testsuite/ifuncmain7.c: New file.
867         * configure, testsuite/Makefile.in: Rebuild.
869 2010-08-18  Ian Lance Taylor  <iant@google.com>
871         * incremental.cc
872         (Output_section_incremental_inputs::write_input_files): Add cast
873         to avoid signed/unsigned comparison warning.
874         (Output_section_incremental_inputs::write_info_blocks): Likewise.
876 2010-08-12  Cary Coutant  <ccoutant@google.com>
878         * common.cc (Sort_commons::operator()): Remove unnecessary code.
880 2010-08-13  Ian Lance Taylor  <iant@google.com>
882         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
884 2010-08-12  Cary Coutant  <ccoutant@google.com>
885             Doug Kwan  <dougkwan@google.com>
887         * resolve.cc (Symbol_table::should_override): When a weak dynamic
888         defintion overrides non-weak undef, remember that the original undef
889         is not weak.
890         * symtab.cc (Symbol_table::sized_write_global): For undef without
891         an original weak binding, set binding to global in output.
892         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
893         * testsuite/Makefile.in: Regenerate.
894         * testsuite/strong_ref_weak_def.sh: New file.
895         * testsuite/strong_ref_weak_def_1.c: Ditto.
896         * testsuite/strong_ref_weak_def_2.c: Ditto.
898 2010-08-12  Cary Coutant  <ccoutant@google.com>
900         * testsuite/incremental_test.sh: Rewrite.
901         * testsuite/incremental_test_1.c: Rewrite.
902         * testsuite/incremental_test_2.c: Rewrite.
904 2010-08-12  Cary Coutant  <ccoutant@google.com>
906         * arm.cc (Target_arm::got_size): Add const.
907         (Target_arm::got_entry_count): New function.
908         (Target_arm::plt_entry_count): New function.
909         (Target_arm::first_plt_entry_offset): New function.
910         (Target_arm::plt_entry_size): New function.
911         (Output_data_plt_arm::entry_count): New function.
912         (Output_data_plt_arm::first_plt_entry_offset): New function.
913         (Output_data_plt_arm::get_plt_entry_size): New function.
914         * i386.cc (Target_i386::got_size): Add const.
915         (Target_i386::got_entry_count): New function.
916         (Target_i386::plt_entry_count): New function.
917         (Target_i386::first_plt_entry_offset): New function.
918         (Target_i386::plt_entry_size): New function.
919         (Output_data_plt_i386::entry_count): New function.
920         (Output_data_plt_i386::first_plt_entry_offset): New function.
921         (Output_data_plt_i386::get_plt_entry_size): New function.
922         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
923         find_incremental_inputs_sections.  Dump incremental_got_plt section.
924         * incremental.cc: Include target.h.
925         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
926         parameter.  Adjust all callers.  Find incremental_got_plt section.
927         (Incremental_inputs::create_data_sections): Create incremental_got_plt
928         section.
929         (Output_section_incremental_inputs::set_final_data_size): Calculate
930         size of incremental_got_plt section.
931         (Output_section_incremental_inputs::do_write): Write the
932         incremental_got_plt section.
933         (Got_plt_view_info): New struct.
934         (Local_got_offset_visitor): New class.
935         (Global_got_offset_visitor): New class.
936         (Global_symbol_visitor_got_plt): New class.
937         (Output_section_incremental_inputs::write_got_plt): New function.
938         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
939         Add parameter.  Adjust all callers.
940         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
941         (Incremental_inputs::got_plt_section): New function.
942         (Incremental_inputs::got_plt_section_): New data member.
943         (Incremental_got_plt_reader): New class.
944         * layout.cc (Layout::create_incremental_info_sections): Add the
945         incremental_got_plt section.
946         * object.h (Got_offset_list::get_list): New function.
947         (Got offset_list::for_all_got_offsets): New function.
948         (Sized_relobj::local_got_offset_list): New function.
949         * powerpc.cc (Target_powerpc::got_size): Add const.
950         (Target_powerpc::got_entry_count): New function.
951         (Target_powerpc::plt_entry_count): New function.
952         (Target_powerpc::first_plt_entry_offset): New function.
953         (Target_powerpc::plt_entry_size): New function.
954         (Output_data_plt_powerpc::entry_count): New function.
955         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
956         (Output_data_plt_powerpc::get_plt_entry_size): New function.
957         * sparc.cc (Target_sparc::got_size): Add const.
958         (Target_sparc::got_entry_count): New function.
959         (Target_sparc::plt_entry_count): New function.
960         (Target_sparc::first_plt_entry_offset): New function.
961         (Target_sparc::plt_entry_size): New function.
962         (Output_data_plt_sparc::entry_count): New function.
963         (Output_data_plt_sparc::first_plt_entry_offset): New function.
964         (Output_data_plt_sparc::get_plt_entry_size): New function.
965         * symtab.h (Symbol::got_offset_list): New function.
966         (Symbol_table::for_all_symbols): New function.
967         * target.h (Sized_target::got_entry_count): New function.
968         (Sized_target::plt_entry_count): New function.
969         (Sized_target::plt_entry_size): New function.
970         * x86_64.cc (Target_x86_64::got_size): Add const.
971         (Target_x86_64::got_entry_count): New function.
972         (Target_x86_64::plt_entry_count): New function.
973         (Target_x86_64::first_plt_entry_offset): New function.
974         (Target_x86_64::plt_entry_size): New function.
975         (Output_data_plt_x86_64::entry_count): New function.
976         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
977         (Output_data_plt_x86_64::get_plt_entry_size): New function.
979 2010-08-12  Cary Coutant  <ccoutant@google.com>
981         * archive.cc: Include incremental.h.
982         (Archive::Archive): Initialize incremental_info_.
983         (Archive::include_member): Record archive members in incremental info.
984         (Add_archive_symbols::run): Record begin and end of an archive in
985         incremental info.
986         (Lib_group::include_member): Record objects in incremental info.
987         * archive.h (Incremental_archive_entry): Forward declaration.
988         (Archive::set_incremental_info): New member function.
989         (Archive::incremental_info): New member function.
990         (Archive::Unused_symbol_iterator): New class.
991         (Archive::unused_symbols_begin): New member function.
992         (Archive::unused_symbols_end): New member function.
993         (Archive::incremental_info_): New data member.
994         * incremental-dump.cc (find_input_containing_global): New function.
995         (dump_incremental_inputs): Dump new incremental info sections.
996         * incremental.cc: Include symtab.h.
997         (Output_section_incremental_inputs): New class.
998         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
999         new incremental info sections.
1000         (Sized_incremental_binary::do_check_inputs): Likewise.
1001         (Incremental_inputs::report_archive): Remove.
1002         (Incremental_inputs::report_archive_begin): New function.
1003         (Incremental_inputs::report_archive_end): New function.
1004         (Incremental_inputs::report_object): New function.
1005         (Incremental_inputs::finalize_inputs): Remove.
1006         (Incremental_inputs::report_input_section): New function.
1007         (Incremental_inputs::report_script): Rewrite.
1008         (Incremental_inputs::finalize): Do nothing but finalize string table.
1009         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1010         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1011         (Incremental_inputs::create_data_sections): New function.
1012         (Incremental_inputs::relocs_entsize): New function.
1013         (Output_section_incremental_inputs::set_final_data_size): New function.
1014         (Output_section_incremental_inputs::do_write): New function.
1015         (Output_section_incremental_inputs::write_header): New function.
1016         (Output_section_incremental_inputs::write_input_files): New function.
1017         (Output_section_incremental_inputs::write_info_blocks): New function.
1018         (Output_section_incremental_inputs::write_symtab): New function.
1019         * incremental.h (Incremental_script_entry): Forward declaration.
1020         (Incremental_object_entry): Forward declaration.
1021         (Incremental_archive_entry): Forward declaration.
1022         (Incremental_inputs): Forward declaration.
1023         (Incremental_inputs_header_data): Remove.
1024         (Incremental_inputs_header): Remove.
1025         (Incremental_inputs_header_write): Remove.
1026         (Incremental_inputs_entry_data): Remove.
1027         (Incremental_inputs_entry): Remove.
1028         (Incremental_inputs_entry_write): Remove.
1029         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1030         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1031         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1032         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1033         Likewise.
1034         (Incremental_input_entry): New class.
1035         (Incremental_script_entry): New class.
1036         (Incremental_object_entry): New class.
1037         (Incremental_archive_entry): New class.
1038         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1039         (Incremental_inputs::report_inputs): Remove.
1040         (Incremental_inputs::report_archive): Remove.
1041         (Incremental_inputs::report_archive_begin): New function.
1042         (Incremental_inputs::report_archive_end): New function.
1043         (Incremental_inputs::report_object): Change prototype.
1044         (Incremental_inputs::report_input_section): New function.
1045         (Incremental_inputs::report_script): Change prototype.
1046         (Incremental_inputs::get_reloc_count): New function.
1047         (Incremental_inputs::set_reloc_count): New function.
1048         (Incremental_inputs::create_data_sections): New function.
1049         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1050         (Incremental_inputs::inputs_section): New function.
1051         (Incremental_inputs::symtab_section): New function.
1052         (Incremental_inputs::relocs_section): New function.
1053         (Incremental_inputs::get_stringpool): Add const.
1054         (Incremental_inputs::command_line): Add const.
1055         (Incremental_inputs::inputs): Remove.
1056         (Incremental_inputs::command_line_key): New function.
1057         (Incremental_inputs::input_file_count): New function.
1058         (Incremental_inputs::input_files): New function.
1059         (Incremental_inputs::relocs_entsize): New function.
1060         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1061         (Incremental_inputs::finalize_inputs): Remove.
1062         (Incremental_inputs::Input_info): Remove.
1063         (Incremental_inputs::lock_): Remove.
1064         (Incremental_inputs::inputs_): Change type.
1065         (Incremental_inputs::inputs_map_): Remove.
1066         (Incremental_inputs::current_object_entry_): New data member.
1067         (Incremental_inputs::inputs_section_): New data member.
1068         (Incremental_inputs::symtab_section_): New data member.
1069         (Incremental_inputs::relocs_section_): New data member.
1070         (Incremental_inputs::reloc_count_): New data member.
1071         (Incremental_inputs_reader): New class.
1072         (Incremental_symtab_reader): New class.
1073         (Incremental_relocs_reader): New class.
1074         * layout.cc (Layout::finalize): Move finalization of incremental info
1075         and creation of incremental info sections to follow finalization of
1076         symbol table.  Set offsets for postprocessing sections.
1077         (Layout::create_incremental_info_sections): Call
1078         Incremental_inputs::create_data_sections.  Add incremental symtab
1079         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1080         sections to layout after input sections.
1081         * layout.h (struct Timespec): Forward declaration.
1082         (Layout::incremental_inputs): Add const.
1083         (Layout::create_incremental_info_sections): Add parameter.
1084         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1085         * object.cc: Include incremental.h.
1086         (Relobj::finalize_incremental_relocs): New function.
1087         (Sized_relobj::do_layout): Record input sections in incremental info.
1088         * object.h (Object::output_section): New function.
1089         (Object::output_section_offset): Moved from Relobj.
1090         (Object::get_incremental_reloc_base): New function.
1091         (Object::get_incremental_reloc_count): New function.
1092         (Object::do_output_section): New function.
1093         (Object::do_output_section_offset): Moved from Relobj.
1094         (Object::do_get_incremental_reloc_base): New function.
1095         (Object::do_get_incremental_reloc_count): New function.
1096         (Object::Object): Initialize new data members.
1097         (Relobj::output_section): Renamed do_output_section and moved to
1098         protected.
1099         (Relobj::output_section_offset): Moved to Object.
1100         (Relobj::do_get_incremental_reloc_base): New function.
1101         (Relobj::do_get_incremental_reloc_count): New function.
1102         (Relobj::allocate_incremental_reloc_counts): New function.
1103         (Relobj::count_incremental_reloc): New function.
1104         (Relobj::finalize_incremental_relocs): New function.
1105         (Relobj::next_incremental_reloc_index): New function.
1106         (Relobj::reloc_counts_): New data member.
1107         (Relobj::reloc_bases_): New data member.
1108         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1109         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1110         (Sized_relobj::incremental_relocs_scan): New function.
1111         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1112         (Sized_relobj::incremental_relocs_write): New function.
1113         (Sized_relobj::incremental_relocs_write_reltype): New function.
1114         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1115         incremental link.
1116         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1117         archives and object files elsewhere.
1118         (Add_symbols::run): Report object files here.
1119         (Finish_group::run): Report end of archive at end of group.
1120         * reloc.cc: Include layout.h, incremental.h.
1121         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1122         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1123         (Sized_relobj::incremental_relocs_scan): New function.
1124         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1125         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1126         (Sized_relobj::incremental_relocs_write): New function.
1127         (Sized_relobj::incremental_relocs_write_reltype): New function.
1128         * script.cc (read_input_script): Rewrite test for incremental link.
1129         Change call to Incremental_inputs::report_script.
1130         * symtab.h (Symbol_table::first_global_index): New function.
1131         (Symbol_table::output_count): New function.
1133 2010-08-12  Doug Kwan  <dougkwan@google.com>
1135         * arm.cc (Target_arm::merge_object_attributes): Check command line
1136         options --no-wchar-size-warning and --no-enum-size-warning.
1137         * options.h (General_options): Add ld-compatible options
1138         --no-enum-size-warning and --no-wchar-size-warning.
1140 2010-08-04  Ian Lance Taylor  <iant@google.com>
1142         * x86_64.cc (Target_x86_64::Scan::local): Use
1143         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1144         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1145         (Target_x86_64::Scan::global): Likewise.
1146         (Target_x86_64::Relocate::relocate): Likewise.
1147         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1148         Likewise.
1150 2010-08-03  Cary Coutant  <ccoutant@google.com>
1152         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1153         to reserve space in merged_strings vector. Keep total input size
1154         for stats.
1155         (Output_merge_string::do_print_merge_stats): Print total input size.
1156         * merge.h (Output_merge_string): Add input_size_ field.
1157         * stringpool.cc (Stringpool_template::string_length): Move
1158         implementations out of Stringpool_template class and place in
1159         stringpool.h.
1160         * stringpool.h (string_length): Move out of Stringpool_template.
1162 2010-08-03  Ian Lance Taylor  <iant@google.com>
1164         PR 11712
1165         * layout.cc (relaxation_loop_body): If address of load segment is
1166         set, adjust address to include headers if possible.
1168 2010-08-03  Ian Lance Taylor  <iant@google.com>
1170         * version.cc (version_string): Bump to 1.10.
1172 2010-08-03  Ian Lance Taylor  <iant@google.com>
1174         PR 11805
1175         * layout.h (enum Output_section_order): Define.
1176         (class Layout): Update declarations.
1177         * layout.cc (Layout::get_output_section): Add order parameter.
1178         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1179         is_first_non_relro parameters.  Change all callers.
1180         (Layout::choose_output_section): Likewise.
1181         (Layout::add_output_section_data): Likewise.
1182         (Layout::make_output_section): Likewise.  Set order.
1183         (Layout::default_section_order): New function.
1184         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1185         * output.cc (Output_section::Output_section): Initialize order_.
1186         Don't initialize deleted fields.
1187         (Output_segment::Output_segment): Don't initialize deleted
1188         fields.
1189         (Output_segment::add_output_section_to_load): New function
1190         replacing add_output_section.  Change all callers to call this or
1191         add_output_section_to_nonload.
1192         (Output_segment::add_output_section_to_nonload): New function.
1193         (Output_segment::remove_output_section): Rewrite.
1194         (Output_segment::add_initial_output_data): Likewise.
1195         (Output_segment::has_any_data_sections): Likewise.
1196         (Output_segment::is_first_section_relro): Likewise.
1197         (Output_segment::maximum_alignment): Likewise.
1198         (Output_segment::has_dynamic_reloc): New function replacing
1199         dynamic_reloc_count.  Change all callers.
1200         (Output_segment::has_dynamic_reloc_list): New function replacing
1201         dynamic_reloc_count_list.  Change all callers.
1202         (Output_segment::set_section_addresses): Rewrite.
1203         (Output_segment::set_offset): Rewrite.
1204         (Output_segment::find_first_and_last_list): Remove.
1205         (Output_segment::set_tls_offsets): Rewrite.
1206         (Output_segment::first_section_load_address): Likewise.
1207         (Output_segment::output_section_count): Likewise.
1208         (Output_segment::section_with_lowest_load_address): Likewise.
1209         (Output_segment::write_section_headers): Likewise.
1210         (Output_segment::print_sections_to_map): Likewise.
1211         * output.h (class Output_data): Remove dynamic_reloc_count_
1212         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1213         (Output_data::add_dynamic_reloc): Rewrite.
1214         (Output_data::has_dynamic_reloc): New function.
1215         (Output_data::dynamic_reloc_count): Remove.
1216         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1217         is_last_relro_, is_first_non_relro_, is_interp_,
1218         is_dynamic_linker_section_ fields.  Add order and set_order
1219         functions.  Remove is_relro_local, set_is_relro_local,
1220         is_last_relro, set_is_last_relro, is_first_non_relro,
1221         set_is_first_non_relro functions, is_interp, set_is_interp,
1222         is_dynamic_linker_section, and set_is_dynamic_linker_section
1223         functions.
1224         (class Output_segment): Change Output_data_list from std::list to
1225         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1226         output_bss_ fields.  Update declarations.
1228 2010-08-02  Ian Lance Taylor  <iant@google.com>
1230         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1231         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1232         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1234 2010-08-02  Ian Lance Taylor  <iant@google.com>
1236         PR 11855
1237         * script.cc (Script_options::Script_options): Initialize
1238         symbol_definitions_ and symbol_references_.
1239         (Script_options::add_symbol_assignment): Update
1240         symbol_definitions_ and symbol_references_.
1241         (Script_options::add_symbol_reference): New function.
1242         (script_symbol): New function.
1243         * script.h (class Script_options): Add symbol_definitions_ and
1244         symbol_references_ fields.
1245         (Script_options::referenced_const_iterator): New type.
1246         (Script_options::referenced_begin): New function.
1247         (Script_options::referenced_end): New function.
1248         (Script_options::is_referenced): New function.
1249         (Script_options::any_unreferenced): New function.
1250         * script-c.h (script_symbol): Declare.
1251         * yyscript.y (exp): Call script_symbol.
1252         * symtab.cc: Include "script.h".
1253         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1254         Change all callers.  Check symbols referenced by scripts.
1255         (Symbol_table::add_undefined_symbols_from_command_line): Add
1256         layout parameter.  Change all callers.
1257         (Symbol_table::do_add_undefined_symbols_from_command_line):
1258         Likewise.  Break out loop body.  Check symbols referenced by
1259         scripts.
1260         (Symbol_table::add_undefined_symbol_from_command_line): New
1261         function broken out of
1262         do_add_undefined_symbols_from_command_line.
1263         * symtab.h (class Symbol_table): Update declarations.
1264         * archive.cc: Include "layout.h".
1265         (Archive::should_include_member): Add layout parameter.  Change
1266         all callers.  Check for symbol mentioned in expression.
1267         * archive.h (class Archive): Update declaration.
1268         * object.cc (Sized_relobj::do_should_include_member): Add layout
1269         parameter.
1270         * object.h (Object::should_include_member): Add layout parameter.
1271         Change all callers.
1272         (Object::do_should_include_member): Add layout parameter.
1273         (class Sized_relobj): Update declaration.
1274         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1275         parameter.
1276         * dynobj.h (class Sized_dynobj): Update declaration.
1277         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1278         layout parameter.
1279         * plugin.h (class Sized_pluginobj): Update declaration.
1281 2010-08-02  Ian Lance Taylor  <iant@google.com>
1283         PR 11866
1284         * output.cc (Output_segment::set_offset): Search for the first and
1285         last sections rather than assuming that the list is in order.
1286         (Output_segment::find_first_and_last_list): New function.
1287         * output.h (class Output_segment): Update declarations.
1288         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1289         (relro_strip_test_SOURCES): New variable.
1290         (relro_strip_test_DEPENDENCIES): New variable.
1291         (relro_strip_test_LDFLAGS): New variable.
1292         (relro_strip_test_LDADD): New variable.
1293         (relro_strip_test.so): New target.
1295 2010-08-02  Ian Lance Taylor  <iant@google.com>
1297         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1298         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1299         (Target_i386::got_tlsdesc_section): New function.
1300         (Target_i386::got_section): Create space for GOT entries for
1301         TLSDESC relocations.
1302         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1303         R_386_TLS_GOTDESC.
1304         (Target_i386::Scan::global): Likewise.
1305         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1306         using TLSDESC GOT.
1307         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1308         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1309         (Target_x86_64::got_tlsdesc_section): New function.
1310         (Target_x86_64::got_section): Create space for GOT entries for
1311         TLSDESC relocations.
1312         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1313         R_386_TLS_GOTDESC.
1314         (Target_x86_64::Scan::global): Likewise.
1315         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1316         using TLSDESC GOT.
1318 2010-08-02  Ian Lance Taylor  <iant@google.com>
1320         * testsuite/final_layout.sh: Use dc to convert from hex to
1321         decimal.
1323 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1325         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1326         paramter to the call to gold::gc_process_relocs.
1327         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1328         paramter to the call to gold::gc_process_relocs.
1329         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1330         parameter to the call to gold::gc_process_relocs.
1331         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1332         template parameter to the call to gold::gc_process_relocs.
1333         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1334         paramter to the call to gold::gc_process_relocs.
1335         * gc.h (get_embedded_addend_size): New function.
1336         (gc_process_relocs): Save the size of the reloc for use by ICF.
1337         * icf.cc (get_section_contents): Get the addend from the text section
1338         for SHT_REL relocation sections.
1339         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1340         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1341         * int_encoding.h (read_from_pointer): New overloaded function.
1342         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1343         * testsuite/icf_sht_rel_addend_test.sh: New file.
1344         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1345         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1347 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1349         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1350         * Makefile.in: Regenerate.
1351         * testsuite/Makefile.in: Regenerate.
1353 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1355         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1356         * gold/testsuite/debug_msg.cc: Likewise.
1357         * gold/testsuite/odr_violation1.cc
1358         * gold/testsuite/odr_violation2.cc
1360 2010-07-21  Cary Coutant  <ccoutant@google.com>
1362         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1363         string, and length fields.
1364         (Output_merge_string::Merged_strings_list): New type.
1365         (Output_merge_string::Merged_strings_lists): New typedef.
1366         (Output_merge_string): Replace merged_strings_ with
1367         merged_strings_lists_.
1368         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1369         Merged_strings_list per input object and section.  Don't store pointer
1370         to the string.  Don't store length with each merged string entry.
1371         (Output_merge_string::finalize_merged_data): Loop over list of merged
1372         strings lists.  Recompute length of each merged string.
1374 2010-07-15  Cary Coutant  <ccoutant@google.com>
1376         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1377         here.
1379 2010-07-14  Ian Lance Taylor  <iant@google.com>
1381         * descriptors.cc (Descriptors::open): Report correct name in error
1382         message.
1384 2010-07-13  Doug Kwan  <dougkwan@google.com>
1386         * arm.cc (Arm_input_section::Arm_input_section): For a
1387         SHT_ARM_EXIDX section, always keeps the input sections.
1388         (Arm_input_section::set_exidx_section_link): New method.
1389         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1390         has_errors_ to false.
1391         (Arm_exidx_input_section::has_errors,
1392         Arm_exidx_input_section::set_has_errors): New methods.
1393         (Arm_exidx_input_section::has_errors_): New data member.
1394         (Arm_relobj::get_exidx_shndx_list): New method.
1395         (Arm_output_section::append_text_sections_to_list): Do not skip
1396         section without SHF_EXECINSTR.
1397         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1398         errors.
1399         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1400         section header.  Make error messages more verbose.  Check for
1401         a non-executable section linked to an EXIDX section.
1402         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1403         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1404         check that there is no deferred EXIDX section if we exit early.
1405         Instead of not making an EXIDX section in case of an error, make one
1406         and set the has_errors flag of it.
1407         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1408         in a relocatable link.
1409         (Target_arm::do_relax): Look for the EXIDX output section instead of
1410         assuming that it is called .ARM.exidx.
1411         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1412         section list.  Do not check for SHF_EXECINSTR section flags but
1413         skip any input section with errors.
1414         * output.cc (Output_section::Output_section): Initialize
1415         always_keeps_input_sections_ to false.
1416         (Output_section::add_input_section): Check for
1417         always_keeps_input_sections_.
1418         *  output.h (Output_section::always_keeps_input_sections,
1419         Output_section::set_always_keeps_input_sections): New methods.
1420         (Output_section::always_keeps_input_sections): New data member.
1422 2010-07-13  Rafael Espindola  <espindola@google.com>
1424         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1425         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1427 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1428             Ian Lance Taylor  <iant@google.com>
1430         * output.h (Output_section_lookup_maps::add_merge_section):
1431         Correct check of whether value was inserted.
1432         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1433         (Output_section_lookup_maps::add_relaxed_input_section):
1434         Likewise.
1435         * arm.cc (Target_arm::got_section): Remove used local os.
1436         * i386.cc (Target_i386::got_section): Likewise.
1437         * x86_64.cc (Target_x86_64::got_section): Likewise.
1438         * sparc.cc (Target_sparc::got_section): Likewise.
1439         (Target_sparc::relocate): Remove unused local have_got_offset.
1440         * powerpc.cc (Target_powerpc::relocate): Likewise.
1442 2010-07-13  Ian Lance Taylor  <iant@google.com>
1444         * compressed_output.cc (zlib_decompress): Fix signature in
1445         !HAVE_ZLIB_H case.
1447         * archive.cc (Archive::include_member): Unlock an external member
1448         of a thin archive.  Don't bother to delete an object we know is
1449         NULL.
1451 2010-07-12  Cary Coutant  <ccoutant@google.com>
1453         * compressed_output.cc (zlib_decompress): New function.
1454         (get_uncompressed_size): New function.
1455         (decompress_input_section): New function.
1456         * compressed_output.h (get_uncompressed_size): New function.
1457         (decompress_input_section): New function.
1458         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1459         Handle compressed debug sections.
1460         * layout.cc (is_compressed_debug_section): New function.
1461         (Layout::output_section_name): Map compressed section names to
1462         canonical names.
1463         * layout.h (is_compressed_debug_section): New function.
1464         (is_debug_info_section): Recognize compressed debug sections.
1465         * merge.cc: Include compressed_output.h.
1466         (Output_merge_data::do_add_input_section): Handle compressed
1467         debug sections.
1468         (Output_merge_string::do_add_input_section): Handle compressed
1469         debug sections.
1470         * object.cc: Include compressed_output.h.
1471         (Sized_relobj::Sized_relobj): Initialize new data members.
1472         (build_compressed_section_map): New function.
1473         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1474         * object.h (Object::section_is_compressed): New method.
1475         (Object::do_section_is_compressed): New method.
1476         (Sized_relobj::Compressed_section_map): New type.
1477         (Sized_relobj::do_section_is_compressed): New method.
1478         (Sized_relobj::compressed_sections_): New data member.
1479         * output.cc (Output_section::add_input_section): Handle compressed
1480         debug sections.
1481         * reloc.cc: Include compressed_output.h.
1482         (Sized_relobj::write_sections): Handle compressed debug sections.
1484 2010-07-08  Cary Coutant  <ccoutant@google.com>
1486         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1487         weak when resolving to a dynamic def.
1488         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1489         for weak undef/dynamic def cases. Adjust callers.
1490         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1491         undef_binding_weak_.
1492         (Symbol_table::sized_write_globals): Adjust symbol binding.
1493         (Symbol_table::sized_write_symbol): Add binding parameter.
1494         * symtab.h (Symbol::set_undef_binding): New method.
1495         (Symbol::is_undef_binding_weak): New method.
1496         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1497         (Symbol_table::should_override): Add new parameter.
1498         (Symbol_table::sized_write_symbol): Add new parameter.
1500         * testsuite/weak_undef_file1.cc: Add new test case.
1501         * testsuite/weak_undef_file2.cc: Fix header comment.
1502         * testsuite/weak_undef_test.cc: Add new test case.
1504 2010-06-29  Doug Kwan  <dougkwan@google.com>
1506         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1507         Initialize USE_SYMBOL_.
1508         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1509         definition.
1510         (Arm_reloc_property::uses_symbol_): New data member declaration.
1511         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1512         uses symbol value and symbol is undefined but not weakly undefined.
1514 2010-06-28  Rafael Espindola  <espindola@google.com>
1516         * plugin.cc (Plugin::load): Use dlerror.
1518 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1520         * symtab.cc (detect_odr_violations): When reporting an ODR
1521         violation, report an object where the symbol is defined.
1523 2010-06-25  Doug Kwan  <dougkwan@google.com>
1525         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1526         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1527         definition.
1528         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1529         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1530         target hook to detect function points.
1531         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1532         * icf.h (Icf::check_section_for_function_pointers): Change type of
1533         parameter SECTION_NAME to const reference to std::string.  Use
1534         target hook to determine if section may have unsafe pointers.
1535         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1536         method definition.
1538 2010-06-21  Rafael Espindola  <espindola@google.com>
1540         * fileread.cc (Input_file::find_fie): New
1541         (Input_file::open): Use Input_file::find_fie.
1542         * fileread.h (Input_file::find_fie): New
1543         * plugin.cc (set_extra_library_path): New.
1544         (Plugin::load): Add set_extra_library_path to the transfer vector.
1545         (Plugin_manager::set_extra_library_path): New.
1546         (Plugin_manager::add_input_file): Use the extra search path if set.
1547         (set_extra_library_path(): New.
1548         * plugin.h (Plugin_manager): Add set_extra_library_path and
1549         extra_search_path_.
1551 2010-06-19  Cary Coutant  <ccoutant@google.com>
1553         * layout.cc (gdb_sections): Add .debug_types.
1554         (lines_only_debug_sections): Likewise.
1556 2010-06-18  Rafael Espindola  <espindola@google.com>
1558         * plugin.cc (add_input_file,add_input_library)
1559         (Plugin_manager::add_input_file): Make filename arguments const.
1560         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1561         const.
1563 2010-06-16  Doug Kwan  <dougkwan@google.com>
1565         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1566         .ARM.attributes section if we have not merged any input
1567         attributes sections.
1569 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1571         * arm.cc: Allow combining objects with no EABI version
1572         information.
1574 2010-06-15  Rafael Espindola  <espindola@google.com>
1576         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1578 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1580         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1581         (struct iovec): Correct !HAVE_READV definition.
1583 2010-06-10  Cary Coutant  <ccoutant@google.com>
1585         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1586         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1587         reloc sections.
1588         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1590         PR 11683
1591         * symtab.h (Symbol::is_placeholder): New member function.
1592         * target-reloc.h (relocate_section): Check for placeholder symbols.
1594         * testsuite/Makefile.am (plugin_test_8): New test.
1595         (plugin_test_9): New test.
1596         * testsuite/Makefile.in: Regenerate.
1598 2010-06-09  Nick Clifton  <nickc@redhat.com>
1600         * yyscript.y (input_list_element): Allow strings prefixed with
1601         the '-' character.  Treat these as libraries.
1602         * script.cc (script_add_library): New function.  Adds a library
1603         specified by "-l<name>" found in an input script.
1604         * script-c.h: Add prototype for script_add_library.
1606 2010-06-07  Doug Kwan  <dougkwan@google.com>
1608         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1609         Restrict stub-group size to be within long conditional branch
1610         range when working around cortex-A8 erratum.
1612 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1614         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1615         #ifdef typo.
1617 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1619         PR gold/11658
1620         * output.cc
1621         (Output_section::Input_section_sort_entry::compare_section_ordering):
1622         Change to return non-zero correctly.
1623         (Output_section::Input_section_sort_section_order_index_compare
1624         ::operator()): Change to fix ambiguity in comparisons.
1626 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1628         * gold.h (is_wildcard_string): New function.
1629         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1630         (Layout::layout_eh_frame): Ditto.
1631         (Layout::find_section_order_index): New method.
1632         (Layout::read_layout_from_file): New method.
1633         * layout.h (Layout::find_section_order_index): New method.
1634         (Layout::read_layout_from_file): New method.
1635         (Layout::input_section_position_): New private member.
1636         (Layout::input_section_glob_): New private member.
1637         * main.cc (main): Call read_layout_from_file here.
1638         * options.h (--section-ordering-file): New option.
1639         * output.cc (Output_section::input_section_order_specified_): New
1640         member.
1641         (Output_section::Output_section): Initialize new member.
1642         (Output_section::add_input_section): Add new parameter.
1643         Keep input sections when --section-ordering-file is used.
1644         (Output_section::set_final_data_size): Sort input sections when
1645         section ordering file is specified.
1646         (Output_section::Input_section_sort_entry): Add new parameter.
1647         Check sorting type.
1648         (Output_section::Input_section_sort_entry::compare_section_ordering):
1649         New method.
1650         (Output_section::Input_section_sort_compare::operator()): Change to
1651         consider section_order_index.
1652         (Output_section::Input_section_sort_init_fini_compare::operator()):
1653         Change to consider section_order_index.
1654         (Output_section::Input_section_sort_section_order_index_compare
1655         ::operator()): New method.
1656         (Output_section::sort_attached_input_sections): Change to sort
1657         according to section order when specified.
1658         (Output_section::add_input_section<32, true>): Add new parameter.
1659         (Output_section::add_input_section<64, true>): Add new parameter.
1660         (Output_section::add_input_section<32, false>): Add new parameter.
1661         (Output_section::add_input_section<64, false>): Add new parameter.
1662         * output.h (Output_section::add_input_section): Add new parameter.
1663         (Output_section::input_section_order_specified): New
1664         method.
1665         (Output_section::set_input_section_order_specified): New method.
1666         (Input_section::Input_section): Initialize section_order_index_.
1667         (Input_section::section_order_index): New method.
1668         (Input_section::set_section_order_index): New method.
1669         (Input_section::section_order_index_): New member.
1670         (Input_section::Input_section_sort_section_order_index_compare): New
1671         struct.
1672         (Output_section::input_section_order_specified_): New member.
1673         * script-sections.cc (is_wildcard_string): Delete and move modified
1674         method to gold.h.
1675         (Output_section_element_input::Output_section_element_input): Modify
1676         call to is_wildcard_string.
1677         (Output_section_element_input::Input_section_pattern
1678         ::Input_section_pattern): Ditto.
1679         (Output_section_element_input::Output_section_element_input): Ditto.
1680         * testsuite/Makefile.am (final_layout): New test case.
1681         * testsuite/Makefile.in: Regenerate.
1682         * testsuite/final_layout.cc: New file.
1683         * testsuite/final_layout.sh: New file.
1685 2010-06-01  Rafael Espindola  <espindola@google.com>
1687         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1689 2010-06-01  Rafael Espindola  <espindola@google.com>
1691         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1692         visibility of symbols.
1694 2010-05-27  Doug Kwan  <dougkwan@google.com>
1696         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1697         from start of output section instead of address for a local symbol
1698         in a merged or relaxed section when doing a relocatable link.
1700 2010-05-26  Rafael Espindola  <espindola@google.com>
1702        PR 11604
1703         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1704         adding sections the garbage collector removed.
1705         * gold/testsuite/Makefile.am: Add test.
1706         * gold/testsuite/Makefile.in: Regenerate.
1707         * gold/testsuite/plugin_test_7.sh: New.
1708         * gold/testsuite/plugin_test_7_1.c: New.
1709         * gold/testsuite/plugin_test_7_2.c: New.
1711 2010-05-26  Rafael Espindola  <espindola@google.com>
1713         * script-sections.cc (Output_section_definition::set_section_addresses):
1714         Check for --section-start.
1716 2010-05-26  Doug Kwan  <dougkwan@google.com>
1718         * arm.cc (Arm_scan_relocatable_relocs): New class.
1719         (Target_arm::relocate_special_relocatable): New method.
1720         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1721         (Arm_relocate_functions::thumb_branch_common): Same.
1722         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1723         instead of Default_scan_relocatable_relocs.
1724         * target-reloc.h (relocate_for_relocatable): Let target handle
1725         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1726         * target.h (Sized_target::relocate_special_relocatable): New method.
1728 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1730         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1732 2010-05-23  Doug Kwan  <dougkwan@google.com>
1734         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1735         instead of a cast.
1736         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1737         with a direct branch, not a conditional branch, to a stub.
1738         * merge.cc (Output_merge_base::record_input_section): New method
1739         defintion.
1740         (Output_merge_data::do_add_input_section): Record input section if
1741         keeps-input-sections flag is set.
1742         (Output_merge_string::do_add_input_section): Ditto.
1743         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1744         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1745         INPUT_SECTIONS_.
1746         (Output_merge_base::keeps_input_sections,
1747         Output_merge_base::set_keeps_input_sections,
1748         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1749         method definitions.
1750         (Output_merge_base::Input_sections): New type declaration.
1751         (Output_merge_base::input_sections_begin,
1752         Output_merge_base::input_sections_end,
1753         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1754         (Output_merge_base::bool keeps_input_sections_,
1755         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1756         Output_merge_base::input_sections_): New data members.
1757         (Output_merge_data::do_set_keeps_input_sections): New method
1758         defintion.
1759         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1760         * output.cc (Output_section::Input_section::relobj): Move method
1761         defintion from class declaration to here and handle merge sections.
1762         (Output_section::Input_section::shndx): Ditto.
1763         (Output_section::Output_section): Remove initializations of removed
1764         data members and initialize new data member LOOKUP_MAPS_.
1765         (Output_section::add_input_section): Set keeps-input-sections flag
1766         for a newly created merge output section as appropriate.  Adjust code
1767         to use Output_section_lookup_maps class.
1768         (Output_section::add_relaxed_input_section): Adjst code for lookup
1769         maps code refactoring.
1770         (Output_section::add_merge_input_section): Add a new parameter
1771         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1772         class.  If adding input section to a newly created merge output
1773         section fails, remove the new merge section.
1774         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1775         Adjust code for use of the Output_section_lookup_maps class.
1776         (Output_section::find_merge_section): Ditto.
1777         (Output_section::build_lookup_maps): New method defintion.
1778         (Output_section::find_relaxed_input_section): Adjust code to use
1779         Output_section_lookup_maps class.
1780         (Output_section::get_input_sections): Export merge sections.  Adjust
1781         code to use Output_section_lookup_maps class.
1782         (Output_section:::add_script_input_section): Adjust code to use
1783         Output_section_lookup_maps class.  Update lookup maps for merge
1784         sections also.
1785         (Output_section::discard_states): Use Output_section_lookup_maps.
1786         (Output_section::restore_states): Same.
1787         * output.h (Merge_section_properties): Move class defintion out of
1788         Output_section.
1789         (Output_section_lookup_maps): New class.
1790         (Output_section::Input_section::is_merge_section): New method
1791         defintion.
1792         (Output_section::Input_section::relobj): Move defintion out of class
1793         defintion.  Declare method only.
1794         (Output_section::Input_section::shndx): Ditto.
1795         (Output_section::Input_section::output_merge_base): New method defintion.
1796         (Output_section::Input_section::u2_.pomb): New union field.
1797         (Output_section::Merge_section_by_properties_map,
1798         Output_section::Output_section_data_by_input_section_map,
1799         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1800         Remove types.
1801         (Output_section::add_merge_input_section): Add new parameter
1802         KEEPS_INPUT_SECTIONS.
1803         (Output_section::build_lookup_maps): New method declaration.
1804         (Output_section::merge_section_map_,
1805         Output_section::merge_section_by_properties_map_,
1806         Output_section::relaxed_input_section_map_,
1807         Output_section::is_relaxed_input_section_map_valid_): Remove data
1808         members.
1809         (Output_section::lookup_maps_): New data member.
1811 2010-05-21  Doug Kwan  <dougkwan@google.com>
1813         PR gold/11619
1814         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1815         avoid a compilation error.
1817 2010-05-19  Rafael Espindola  <espindola@google.com>
1819         * script-sections.cc (Output_section_definition::allocate_to_segment):
1820         Update the phdrs_list even when the output section is NULL.
1821         * testsuite/Makefile.am: Add test.
1822         * testsuite/Makefile.in: Regenerate.
1823         * testsuite/script_test_9.cc: New.
1824         * testsuite/script_test_9.sh: New.
1825         * testsuite/script_test_9.t: New.
1827 2010-05-19  Doug Kwan  <dougkwan@google.com>
1829         * arm.cc (Arm_input_section::original_size): New method.
1830         (Arm_input_section::do_addralign): Add a cast.
1831         (Arm_input_section::do_output_offset): Remove static cast.
1832         (Arm_input_section::original_addralign,
1833          Arm_input_section::original_size_): Change type to uint32_t.
1834         (Arm_input_section::init): Add safe casts for section alignment
1835         and size.
1836         (Arm_input_section::set_final_data_size): Do not set address and
1837         offset of stub table.
1838         (Arm_output_section::fix_exidx_coverage): Change use of of
1839         Output_section::Simple_input_section to that of
1840         Output_section::Input_section.
1841         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1842         except for the first pass.
1843         * output.cc (Output_section::get_input_sections): Change type of
1844         input_sections to std::list<Input_section>.
1845         (Output_section::add_script_input_section): Rename from
1846         Output_section::add_simple_input_section.  Change type of SIS
1847         parameter from Simple_input_section to Input_section.
1848         * output.h (Output_section::Simple_input_section): Remove class.
1849         (Output_section::Input_section): Change class visibility to public.
1850         (Output_section::Input_section::addralign): Use stored alignments
1851         for special input sections if set.
1852         (Output_section::Input_section::set_addralign): New method.
1853         (Output_section::get_input_sections): Change parameter type from
1854         list of Simple_input_section to list of Input_section.
1855         (Output_section::add_script_input_section): Rename from
1856         Output_section::add_simple_input_section. Change first parameter's
1857         type from Simple_input_section to Input_section and remove the
1858         second and third parameters.
1859         * script-sections.cc (Input_section::Input_section_list): Change
1860         type to list of Output_section::Input_section/
1861         (Input_section_info::Input_section_info): Change parameter type of
1862         INPUT_SECTION to Output_section::Input_section.
1863         (Input_section_info::input_section): Change return type.
1864         (Input_section_info::input_section_): Change type to
1865         Output_section::Input_section.
1866         (Output_section_element_input::set_section_addresses): Adjust code
1867         to use Output_section::Input_section instead of
1868         Output_section::Simple_input_section.  Adjust code for renaming
1869         of Output_section::add_simple_input_section.
1870         (Orphan_output_section::set_section_addresses): Ditto.
1872 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1874         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1875         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1877 2010-05-18  Rafael Espindola  <espindola@google.com>
1879         * options.cc (General_options::finalize): Handle -nostdlib.
1880         * options.h (nostdlib): New option.
1881         * script.cc (script_add_search_dir): Handle -nostdlib.
1883 2010-05-12  Doug Kwan  <dougkwan@google.com>
1885         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1886         attributes section only if there no attributes section after merging.
1887         (Target_arm::merge_object_attributes): Move value of
1888         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1889         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1890         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1891         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1892         and arm_attr_merge_7.stdout.
1893         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1894         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1895         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1896         arm_attr_merge_7b.o): New rules.
1897         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1898         arm_attr_merge_7
1899         * testsuite/Makefile.in: Regenerate.
1900         * testsuite/arm_attr_merge.sh: New file.
1901         * testsuite/arm_attr_merge_[67][ab].s: Same.
1903 2010-05-05  Nick Clifton  <nickc@redhat.com>
1905         * po/es.po: Updated Spanish translation.
1907 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1909         * Makefile.am (install-exec-local): Properly install gold as
1910         default cross linker.
1911         * Makefile.in: Regenerated.
1913 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1914             Nick Clifton  <nickc@redhat.com>
1916         * configure.ac (install_as_default): Define and set to false
1917         unless --enable-gold or --enable-gold=both/gold has been
1918         specified.
1919         * configure: Regenerate.
1921         * Makefile.am (install-exec-local): Install the executable as
1922         'ld.gold'.  If install_as_default is true then also install it as
1923         'ld'.
1924         * Makefile.in: Regenerated.
1926 2010-04-24  Ian Lance Taylor  <iant@google.com>
1928         * layout.cc (Layout::layout_reloc): In relocatable link don't
1929         combine reloc sections for grouped sections.
1931 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1933         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1934         sections that are not ordinary to icf.
1935         * icf.cc (get_section_contents): Handle relocation pointing to section
1936         with no object or shndx information.
1937         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1938         * testsuite/Makefile.in: Regenerate.
1939         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1940         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1942 2010-04-22  Ian Lance Taylor  <iant@google.com>
1944         * expression.cc (Expression::Expression_eval_info): Add
1945         result_alignment_pointer field.
1946         (Expression::eval_with_dot): Add result_alignment_pointer
1947         parameter.  Change all callers.
1948         (Expression::eval_maybe_dot): Likewise.
1949         (class Binary_expression): Add alignment_pointer parameter to
1950         left_value and right_value.  Change all callers.
1951         (BINARY_EXPRESSION): Set result alignment.
1952         (class Trinary_expression): Add alignment_pointer parameter to
1953         arg2_value and arg3_value.  Change all callers.
1954         (Trinary_cond::value): Set result alignment.
1955         (Max_expression::value, Min_expression::value): Likewise.
1956         (Align_expression::value): Likewise.
1957         * script-sections.cc (class Sections_element): Add dot_alignment
1958         parameter to set_section_addresses virtual function.  Update
1959         instantiations.
1960         (class Output_section_element): Likewise.
1961         (Script_sections::create_segments): Add dot_alignment parameter.
1962         Change all callers.
1963         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1964         (Script_sections::set_phdrs_clause_addresses): Likewise.
1965         * script-sections.h: Update declarations.
1966         * script.h: Update declarations.
1967         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1968         min_p_align.
1969         * testsuite/script_test_3.t: Set large alignment.
1970         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1971         segment has expected alignment.
1973 2010-04-22  Nick Clifton  <nickc@redhat.com>
1975         * po/gold.pot: Updated by the Translation project.
1976         * po/vi.po: Updated Vietnamese translation.
1978 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1980         * testsuite/Makefile.am (check_PROGRAMS): Add
1981         icf_virtual_function_folding_test.
1982         * testsuite/Makefile.in: Regenerated.
1984 2010-04-15  Andrew Haley  <aph@redhat.com>
1986         * options.h (merge_exidx_entries): New option.
1987         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1988         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1989         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1990         (Target_arm::merge_exidx_entries): New function.
1991         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1992         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1993         to Arm_exidx_fixup constructor.
1994         Add new arg, merge_exidx_entries.
1995         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1996         Arm_output_section::fix_exidx_coverage.
1998 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2000         * icf.cc (get_section_contents): Check for preemptible functions.
2001         Ignore addend when appropriate.
2002         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2003         section folded.
2004         (add_from_relobj): Check for section folded.
2005         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2006         * symtab.h (should_add_dynsym_entry): Add new parameter.
2007         * target-reloc.h (scan_relocs): Check for section folded.
2008         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2009         Check reloc types for function pointers in shared objects.
2010         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2011         case.
2012         (icf_preemptible_functions_test): New test case.
2013         (icf_string_merge_test): New test case.
2014         * testsuite.Makefile.in: Regenerate.
2015         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2016         bar_glob.  Refactor code.
2017         * testsuite/icf_preemptible_functions_test.cc: New file.
2018         * testsuite/icf_preemptible_functions_test.sh: New file.
2019         * testsuite/icf_string_merge_test.cc: New file.
2020         * testsuite/icf_string_merge_test.sh: New file.
2021         * testsuite/icf_virtual_function_folding_test.cc: New file.
2022         * testsuite/icf_virtual_function_folding_test.sh: New file.
2024 2010-04-14  Doug Kwan  <dougkwan@google.com>
2026         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2027         for local symbol recounting if we remove a section due to ICF.
2028         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2029         there are no regular objects in input.
2031 2010-04-13  Doug Kwan  <dougkwan@google.com>
2033         * arm.cc (Arm_input_section::set_final_data_size): Compute
2034         accurate final data size instead of using current data size.
2036 2010-04-09  Doug Kwan  <dougkwan@google.com>
2038         * layout.cc (Layout::choose_output_section): Handle script section
2039         types.
2040         (Layout::make_output_section_for_script): Add section type parameter.
2041         Handle script section types.
2042         * layout.h (Layout::make_output_section_for_script): Add section
2043         type parameter.
2044         * output.cc (Output_section::Output_section): Initialize data member
2045         is_noload_.
2046         (Output_section::do_reset_address_and_file_offset): Do not set address
2047         to 0 if section is a NOLOAD section.
2048         * output.h (Output_section::is_noload): New method.
2049         (Output_section::set_is_noload): Ditto.
2050         (Output_section::is_noload_): New data member.
2051         * script-c.h (Script_section_type): New enum type.
2052         (struct Parser_output_section_header): Add new file section_type.
2053         * script-sections.cc (Sections_element::output_section_name): Add
2054         parameter for returning script section type.
2055         (Output_section_definition::output_section_name): Ditto.
2056         (Output_section_definition::section_type)P; New method.
2057         (Output_section_definiton::script_section_type_name): Ditto.
2058         (Output_section_definition::script_section_type_): New data member.
2059         (Output_section_definition::Output_section_definition): Initialize
2060         data member Output_section_definition::script_section_type_.
2061         (Output_section_definition::create_sections): Pass script section type
2062         to Layout::make_output_section_for_script.
2063         (Output_section_definition::output_section_name): Return script
2064         section type to caller.
2065         (Output_section_definition::set_section_address): Do not advance
2066         dot value and load address if section type is NOLOAD.  Set address
2067         of NOLOAD sections regardless of section flags.
2068         (Output_section_definition::print): Print section type if it is
2069         not SCRIPT_SECTION_TYPE_NONE.
2070         (Output_section_definition::section_type): New method.
2071         (Output_section_definition::script_section_type_name): Ditto.
2072         (Script_sections::output_section_name): Add new parameter
2073         PSECTION_TYPE for returning script section type.  Pass it to
2074         section elements.  Handle discard sections.
2075         (Sort_output_sections::operator()): Handle NOLOAD sections.
2076         * script-sections.h (Script_sections::Section_type): New enum type.
2077         (Script_sections::output_section_name): Add a new parameter for
2078         returning script section type.
2079         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2080         INFO and NOLOAD.
2081         * yyscript.y (union): Add new field SECTION_TYPE.
2082         (COPY, DSECT, INFO, NOLOAD): New tokens.
2083         (opt_address_and_section_type): Change type to output_section_header.
2084         (section_type): New non-terminal
2085         (section_header): Handle section type.
2086         (opt_address_and_section_type): Return section type value.
2088 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2090         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2091         * testsuite/plugin_common_test_2.c (foo): Likewise.
2093 2010-04-08  Doug Kwan  <dougkwan@google.com>
2095         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2096         Output_merge_data.
2097         * output.cc (Output_section::add_merge_input_section): Simplify
2098         code and return status of Output_merge_base::add_input_section.
2099         Update merge section map only if Output_merge_base::add_input_section
2100         returns true.
2102 2010-04-07  Doug Kwan  <dougkwan@google.com>
2104         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2105         if section is marked as containing instructions but has no mapping
2106         symbols.
2107         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2108         correct section index.
2109         (Arm_relobj::find_linked_text_section): Ditto.
2111 2010-04-07  Cary Coutant  <ccoutant@google.com>
2113         * archive.cc (include_member): Destroy Read_symbols_data object before
2114         releasing file.
2115         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2116         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2117         (Read_symbols_data::~Read_symbols_data) New destructor.
2118         (Section_relocs::Section_relocs) New constructor.
2119         (Section_relocs::~Section_relocs) New destructor.
2120         (Read_relocs_data::Read_relocs_data) New constructor.
2121         (Read_relocs_data::~Read_relocs_data) New destructor.
2122         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2123         pointers to NULL after deleting.
2125 2010-04-07  Doug Kwan  <dougkwan@google.com>
2127         * arm.cc: Replace "endianity" with "endianness" in comments.
2128         (Arm_exidx_cantunwind): Ditto.
2129         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2130         (Arm_relobj::merge_flags_and_attributes): New method.
2131         (Arm_relobj::merge_flags_and_attributes_): New data member.
2132         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2133         (Arm_relobj::scan_sections_for_stubs): Ditto.
2134         (Arm_relobj::do_read_symbols): Check to see if we really want to
2135         merge processor-specific flags and attributes.  Exit early if
2136         an object is empty except for section names and the undefined symbol.
2137         (Target_arm::do_finalize_sections): Move check for ELF format to
2138         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2139         attributes from a regular object only when we have determined that
2140         it is aapropriate.  Do not create an .ARM.attributes section in
2141         output if there is no regular input object.
2142         (Target_arm::merge_processor_specific_flags): Check
2143         --warn-mismatch before printing any error.
2144         (Target_arm::merge_object_attributes): Ditto.
2145         * gold.cc (queue_middle_tasks): Handle the case in which there is
2146         no regular object in input.
2147         * options.cc (General_options::parse_EB): New method.
2148         (General_options::parse_EL): Same.
2149         (General_options::General_options): Initialize endianness_.
2150         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2151         New options.
2152         (General_options::Endianness): New enum.
2153         (General_options::endianness): New method.
2154         (General_options::endianness_): New data member.
2155         * parameters.cc (Parameters::set_options): Check target endianness.
2156         (Parameters::set_target_once): Ditto.
2157         (Parameters::check_target_endianness): New method.
2158         (parameters_force_valid_target): If either -EL or -EB is specified,
2159         use it to define endianness of default target.
2160         * parameters.h (Parameters::check_target_endianness): New method
2161         declaration.
2162         * target.h (class Target): Change "endianity" to "endianness"
2163         in comments.
2165 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2167         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2168         * configure: Regenerate.
2169         * Makefile.in: Regenerate.
2170         * testsuite/Makefile.in: Regenerate.
2172 2010-04-06  Cary Coutant  <ccoutant@google.com>
2174         gcc PR lto/42757
2175         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2176         prevailing definitions of common symbols.
2177         * testsuite/plugin_test_6.sh: New test case.
2178         * testsuite/plugin_common_test_1.c: New test case.
2179         * testsuite/plugin_common_test_2.c: New test case.
2180         * testsuite/Makefile.am (plugin_test_6): New test case.
2181         * testsuite/Makefile.in: Regenerate.
2183 2010-04-06  Nick Clifton  <nickc@redhat.com>
2185         * po/vi.po: New Vietnamese translation.
2187 2010-03-30  Doug Kwan  <dougkwan@google.com>
2189         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2191 2010-03-25  Doug Kwan  <dougkwan@google.com>
2193         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2194         to avoid a conversion warning on a 32-bit host.
2196 2010-03-24  Ian Lance Taylor  <iant@google.com>
2198         * testsuite/script_test_3.t: Add a TLS segment.
2199         * testsuite/Makefile.am (check_PROGRAMS): Add
2200         tls_phdrs_script_test.
2201         (tls_phdrs_script_test_SOURCES): Define.
2202         (tls_phdrs_script_test_DEPENDENCIES): Define.
2203         (tls_phdrs_script_test_LDFLAGS): Define.
2204         (tls_phdrs_script_test_LDADD): Define.
2205         * testsuite/Makefile.in: Rebuild.
2207 2010-03-23  Cary Coutant  <ccoutant@google.com>
2209         * fileread.cc (find_or_make_view): Fix comment.
2211 2010-03-23  Ian Lance Taylor  <iant@google.com>
2213         * script-sections.cc (class Orphan_section_placement): Define
2214         PLACE_TLS and PLACE_TLS_BSS.
2215         (Orphan_section_placement::Orphan_section_placement): Initialize
2216         new places.
2217         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2218         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2219         (tls_script_test_SOURCES): Define.
2220         (tls_script_test_DEPENDENCIES): Define.
2221         (tls_script_test_LDFLAGS): Define.
2222         (tls_script_test_LDADD): Define.
2223         * testsuite/Makefile.in: Rebuild.
2225 2010-03-22  Doug Kwan  <dougkwan@google.com>
2227         * arm.cc (Arm_relocate_functions::abs8,
2228         Arm_relocate_functions::abs16): Use correct check for overflow
2229         specified in the ARM ELF specs.
2230         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2231         target of a BLX instruction specially.
2232         (Reloc_stub::stub_type_for_reloc): Ditto.
2233         (Relocate::relocate): Use symbolic names instead of numeric relocation
2234         codes to report error.
2235         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2236         workaround.
2237         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2238         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2239         thumb2_blx_out_of_range.stdout
2240         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2241         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2242         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2243         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2244         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2245         thumb2_blx_in_range, thumb2_blx_in_range.o,
2246         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2247         thumb2_blx_out_of_range.o): New rules.
2248         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2249         thumb2_blx_in_range and thumb2_blx_out_of_range.
2250         * testsuite/Makefile.in: Regenerate.
2251         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2252         * testsuite/thumb_blx_in_range.s: New file.
2253         * testsuite/thumb_blx_out_of_range.s: New file.
2255 2010-03-22  Rafael Espindola  <espindola@google.com>
2257         * archive.cc (Should_include): Move to archive.h.
2258         (should_include_member): Make it a member of Archive.
2259         (Lib_group): New.
2260         (Add_lib_group_symbols): New.
2261         * archive.h: Include options.h.
2262         (Archive_member): Moved from Archive.
2263         (Should_include): Moved from archive.cc.
2264         (Lib_group): New.
2265         (Add_lib_group_symbols): New.
2266         * dynobj.cc (do_should_include_member): New.
2267         * dynobj.h (do_should_include_member): New.
2268         * gold.cc (queue_initial_tasks): Update call to queue.
2269         * main.cc (main): Print lib group stats.
2270         * object.cc (do_should_include_member): New.
2271         * object.h: Include archive.h.
2272         (Object::should_include_member): New.
2273         (Object::do_should_include_member): New.
2274         (Sized_relobj::do_should_include_member): New.
2275         * options.cc (General_options::parse_start_lib): New.
2276         (General_options::parse_end_lib): New.
2277         (Input_arguments::add_file): Handle lib groups.
2278         (Input_arguments::start_group): Check we are not in a lib.
2279         (Input_arguments::start_lib): New.
2280         (Input_arguments::end_lib): New.
2281         * options.h (General_options): Add start_lib and end_lib.
2282         (Input_argument::lib_): New.
2283         (Input_argument::lib): New.
2284         (Input_argument::is_lib): New.
2285         (Input_file_lib): New.
2286         (Input_arguments::in_lib_): New.
2287         (Input_arguments::in_lib): New.
2288         (Input_arguments::start_lib): New.
2289         (Input_arguments::end_lib_): New.
2290         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2291         in unused members as preempted.
2292         (Sized_pluginobj::do_should_include_member): New.
2293         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2294         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2295         return the blocker.
2296         (Read_symbols::do_whole_lib_group): New.
2297         (Read_symbols::do_lib_group): New.
2298         (Read_symbols::do_read_symbols): Handle lib groups.
2299         (Read_symbols::get_name): Handle lib groups.
2300         * readsyms.h (Read_symbols): Add an archive member pointer.
2301         (Read_symbols::do_whole_lib_group): New.
2302         (Read_symbols::do_lib_group): New.
2303         (Read_symbols::member_): New.
2304         * script.cc (read_input_script): Update call to queue_soon.
2306 2010-03-19  Doug Kwan  <dougkwan@google.com>
2308         * arm.cc (Stub_table::Stub_table): Initialize new data members
2309         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2310         (Stub_table::add_reloc_stub): Assign stub offset and update
2311         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2312         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2313         New data members.
2314         (Stub_table::update_data_size_and_addralign): Use
2315         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2316         instead of going over all reloc stubs.
2317         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2318         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2319         Stringpool_template::offset_ to size of Stringpool_char.
2320         (Stringpool_template::new_key_offset): Remove code to initialize
2321         Stringpool_template::offset_.
2322         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2323         Stringpool_template::offset_ to zero.
2325 2010-03-15  Doug Kwan  <dougkwan@google.com>
2327         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2328         offset_.
2329         (Stringpool_template::new_key_offset): New method.
2330         (Stringpool_template::add_string): Assign offsets when adding new
2331         strings.
2332         (Stringpool_template::set_string_offsets): Do not set string offsets
2333         when not optimizing.
2334         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2335         member size_.
2336         (Chunked_vector::clear): Clear size_.
2337         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2338         (Chunked_vector::size): Return size_.
2339         (Chunked_vector::push_back): Use size_ to find insert position.
2340         (Chunked_vector::size_): New data member.
2341         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2342         (Stringpool_template::new_key_offset): New method declaration.
2343         (Stringpool_template::offset_): New data member.
2345 2010-03-15   Rafael Espindola  <espindola@google.com>
2347         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2348         Add_symbols' constructor.
2349         * readsyms.h (Add_symbols): Remove the input_group member.
2351 2010-03-10  Ian Lance Taylor  <iant@google.com>
2353         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2354         target to ask whether a reference to a symbol requires a stack
2355         split.
2356         * target.h (Target::is_call_to_non_split): New function.
2357         (Target::do_is_call_to_non_split): Declare virtual function.
2358         * target.cc: Include "symtab.h".
2359         (Target::do_is_call_to_non_split): New function.
2360         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2362 2010-03-10  Cary Coutant  <ccoutant@google.com>
2364         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2365         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2366         (File_read::open[2]): Add whole_file_view_ to list of views.
2367         (File_read::make_view): Remove test of whole_file_view_.
2368         (File_read::find_or_make_view): Create whole_file_view_ if
2369         necessary.
2370         (File_read::clear_views): Replace bool parameter with enum;
2371         adjust all callers.  Don't delete views with permanent data;
2372         do delete cached views and views from archives if
2373         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2374         if clearing the corresponding view.
2375         * fileread.h (File_read::Clear_views_mode): New enum.
2376         (File_read::View::is_permanent_view): New method.
2377         (File_read::clear_views): Replace bool parameter
2378         with enum; adjust all callers.
2379         * options.h (General_options): Change keep_files_mapped option;
2380         add map_whole_files.
2381         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2382         releasing the file.
2383         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2384         the file.
2386 2010-03-10  David S. Miller  <davem@davemloft.net>
2388         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2390 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2392         * icf.cc (get_section_contents): Add '@' marker after processing the
2393         merge reloc.
2395 2010-03-08  Doug Kwan  <dougkwan@google.com>
2397         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2398         due to a conversion warning.
2399         (Arm_relobj::update_output_local_symbol_count): Check for local
2400         symbol with unset output index.
2402 2010-03-05  Ian Lance Taylor  <iant@google.com>
2404         * options.h (class General_options): Add --spare-dynamic-tags.
2405         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2406         --spare-dynamic-tags.
2408 2010-03-05  Ian Lance Taylor  <iant@google.com>
2410         * incremental.cc: Include "libiberty.h".
2412 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2414         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2415         function, is_info_ member.
2416         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2417         (Versions::Versions): Update caller.
2418         (Versions::define_base_version): Likewise.
2419         (Versions::add_def): Likewise.
2421 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2423         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2424         (Scan::possible_function_pointer_reloc): New function.
2425         (Scan::local_reloc_may_be_function_pointer): Change to call
2426         possible_function_pointer_reloc.
2427         (Scan::global_reloc_may_be_function_pointer): Ditto.
2428         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2429         relocations in ".data.rel.ro._ZTV" section.
2430         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2431         * testsuite/icf_safe_so_test.cc: Ditto.
2432         * testsuite/icf_safe_test.cc: Ditto.
2433         * testsuite/icf_safe_test.sh: Ditto.
2435 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2436             Ian Lance Taylor  <iant@google.com>
2438         * target-reloc.h (relocate_section): Check the symbol table index
2439         for -1U before setting the local symbol index.
2440         (scan_relocatable_relocs): If copying the relocation, record that
2441         the local symbol is required.
2442         * object.h (Symbol_value::is_output_symtab_index_set): New
2443         function.
2444         (Symbol_value::may_be_discarded_from_output_symtab): New
2445         function.
2446         (Symbol_value::has_output_symtab_entry): New function.
2447         (Symbol_value::needs_output_symtab_entry): Remove.
2448         (Symbol_value::output_symtab_index): Make sure the symbol index is
2449         set.
2450         (Symbol_value::set_output_symtab_index): Make sure the symbol
2451         index is not set.  Make sure the new index is valid.
2452         (Symbol_value::set_must_have_output_symtab_entry): New function.
2453         (Symbol_value::has_output_dynsym_entry): New function.
2454         (Symbol_value::set_output_dynsym_index): Make sure the new index
2455         is valid.
2456         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2457         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2458         local symbol if permitted.
2459         (Sized_relobj::do_finalize_local_symbols): Call
2460         is_output_symtab_index_set rather than needs_output_symtab_entry.
2461         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2462         rather than needs_output_symtab_entry.  Call
2463         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2464         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2465         is_output_symtab_index_set rather than needs_output_symtab_entry.
2466         * testsuite/discard_locals_relocatable_test.c: New file.
2467         * testsuite/discard_locals_test.sh: Test -r.
2468         * testsuite/Makefile.am (check_DATA): Add
2469         discard_locals_relocatable_test1.syms,
2470         discard_local_relocatable_test2.syms.
2471         (MOSTLYCLEANFILES): Likewise.  Also add
2472         discard_locals_relocatable_test1.lout and
2473         discard_locals_relocatable_test2.out.
2474         (discard_locals_relocatable_test1.syms): New target.
2475         (discard_locals_relocatable_test.o): New target.
2476         (discard_locals_relocatable_test1.out): New target.
2477         (discard_locals_relocatable_test2.syms): New target.
2478         (discard_locals_relocatable_test2.out): New target.
2479         (various): Add missing ../ld-new dependencies.
2480         * testsuite/Makefile.in: Rebuild.
2482 2010-03-03  Nick Clifton  <nickc@redhat.com>
2484         * po/fi.po: New Finnish translation.
2486 2010-03-01  Doug Kwan  <dougkwan@google.com>
2488         * layout.cc (Layout::Layout): Force section types of .init_array*,
2489         .preinit_array* and .fini_array* sections.
2490         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2491         Fix check of return value of std::string::find.().
2492         (Output_section::Input_section_sort_compare::operator()): Remove
2493         comment about .init_array.
2494         (Output_section::Input_section_sort_init_fini_compare::operator()):
2495         New method.
2496         (Output_section::sort_attached_input_sections): Handle .init_array
2497         and .fini_array specially.
2498         * output.h (Output_section::Inut_section_sort_compare): Update
2499         comment.
2500         (Output_section::Input_section_sort_init_fini_compare): New struct.
2502 2010-02-26  Doug Kwan  <dougkwan@google.com>
2504         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2505         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2506         * testsuite/debug_msg.sh: Avoid matching source line number for
2507         use of global variable undef_int.
2509 2010-02-26  Doug Kwan  <dougkwan@google.com>
2511         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2512         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2513         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2514         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2515         * options.cc (General_options::General_options): Initialize member
2516         fix_v4bx_.
2517         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2518         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2519         and rm_no_fix_v4bx.stdout
2520         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2521         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2522         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2523         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2524         and arm_no_fix_v4bx.
2525         * Makefile.in: Regenerate.
2526         * testsuite/arm_fix_v4bx.s: New file.
2527         * testsuite/arm_fix_v4bx.sh: Ditto.
2529 2010-02-24  Doug Kwan  <dougkwan@google.com>
2531         * arm.cc (Target_arm::got_section): Make the .got section the first
2532         non RELRO section in the data segment.
2533         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2534         suffixes of section names.
2536 2010-02-24  Doug Kwan  <dougkwan@google.com>
2538         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2539         flags and attributes merging if an input file is a binary file.
2540         * fileread.cc (Input_file::open): Record format of original file.
2541         * fileread.h (Input_file::Format): New enum type.
2542         (Input_file::Input_file): Initialize data member format_.
2543         (Input_file::format): New method definition.
2544         (Input_file::format_):: New data member.
2546 2010-02-24  Doug Kwan  <dougkwan@google.com>
2548         * arm.cc (Arm_output_data_got): New class.
2549         (ARM_TCB_SIZE): New constant
2550         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2551         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2552         If user uses a script with a SECTIONS clause, issue only a warning
2553         for a misplaced EXIDX input section.  Otherwise, issue an error.
2554         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2555         garbage collection.
2556         (Target_arm::got_mode_index_entry): Handle static linking.
2557         (Target_arm::Scan::local): Ditto.
2558         (Target_arm::Scan::global): Ditto.
2559         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2560         all incorrectly implemented relocations.
2561         (Target_arm::fix_exidx_coverage): Pass layout to
2562         Arm_output_section::fix_exidx_coverage.
2563         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2564         from ".ARM.exidx." and ".ARM.extab.".
2566 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2568         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2569         section if it does not already exist.
2570         * attributes.cc (Attributes_section_data::Attributes_section_data):
2571         Don't crash if size is zero.
2573 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2574             Ian Lance Taylor  <iant@google.com>
2576         * gold.cc (queue_middle_tasks): If no input files were opened,
2577         exit.
2578         * workqueue.h (Task_function::Task_function): Assert that there is
2579         a blocker.
2581 2010-02-22  Doug Kwan  <dougkwan@google.com>
2583         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2584         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2585         types to avoid warnings due to different uint64_t implementations
2586         on different hosts.
2588 2010-02-21  Doug Kwan  <dougkwan@google.com>
2590         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2591         handling of the maximum backward branch offset.
2592         (Arm_relocate_functions::thumb_branch_common): Ditto.
2593         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2594         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2595         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2596         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2597         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2598         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2599         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2600         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2601         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2602         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2603         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2604         thumb2_bl_out_of_range.o): New rules.
2605         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2606         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2607         thumb2_bl_out_of_range
2608         * testsuite/Makefile.in: Regenerate.
2609         * testsuite/arm_bl_in_range.s: New file.
2610         * testsuite/arm_bl_out_of_range.s: Ditto.
2611         * testsuite/arm_branch_in_range.sh: Ditto.
2612         * testsuite/arm_branch_range.t: Ditto.
2613         * testsuite/thumb2_branch_range.t: Ditto.
2614         * testsuite/thumb_bl_in_range.s: Ditto.
2615         * testsuite/thumb_bl_out_of_range.s: Ditto.
2616         * testsuite/thumb_branch_range.t: Ditto.
2618 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2620         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2621         Add reloc offset information.
2622         * icf.cc (get_section_contents): Change iterators to point to the new
2623         vectors. Add reloc offset information to the contents.
2624         * icf.h (Icf::Sections_reachable_info): New typedef.
2625         (Icf::Sections_reachable_list): New typedef.
2626         (Icf::Offset_info): New typedef.
2627         (Icf::Reloc_info): New struct typedef.
2628         (Icf::Reloc_info_list): New typedef.
2629         (Icf::symbol_reloc_list): Delete method.
2630         (Icf::addend_reloc_list): Delete method.
2631         (Icf::section_reloc_list): Delete method.
2632         (Icf::reloc_info_list): New method.
2633         (Icf::reloc_info_list_): New member.
2635 2010-02-19  Doug Kwan  <dougkwan@google.com>
2637         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2638         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2639         * arm.cc (Arm_relocation_functions): New forward declaration.
2640         (Target_arm::Target_arm): Initialize new data members
2641         got_mod_index_offset_ and tls_base_symbol_defined_.
2642         (Target_arm::Relocate::relocate_tls): New method.
2643         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2644          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2645         New methods.
2646         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2647         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2648         (Target_arm::got_mod_index_offset_,
2649         Target_arm::tls_base_symbol_defined_): New data members.
2650         (Target_arm::Scan::local, Target::Scan::global,
2651         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2652         relocations.
2654 2010-02-18  Doug Kwan  <dougkwan@google.com>
2656         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2657         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2658         text section as a parameter becuase some broken tools may not set
2659         the link in section header.
2660         (Target_arm::has_got_section): New method.
2661         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2662         without any mapping symbol as data only.  Remove warning.
2663         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2664         link in its section header, try to discover the link by inspecting the
2665         REL31 relocation at the beginning of the section.
2666         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2667         in error message.
2668         (Target_arm::Scan::global): Treat any reference to the symbol
2669         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2671 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2673         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2674         (Scan::global_reloc_may_be_function_pointer): New function.
2675         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2676         (Scan::global_reloc_may_be_function_pointer): New function.
2677         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2678         (Scan::global_reloc_may_be_function_pointer): New function.
2679         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2680         (Scan::global_reloc_may_be_function_pointer): New function.
2681         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2682         (Scan::global_reloc_may_be_function_pointer): New function.
2683         (Scan::possible_function_pointer_reloc): New function.
2684         (Target_x86_64::can_check_for_function_pointers): New function.
2685         * gc.h (gc_process_relocs): Scan relocation types to determine if
2686         function pointers were taken for targets that support it.
2687         * icf.cc (Icf::find_identical_sections): Include functions for
2688         folding in safe ICF whose pointer is not taken.
2689         * icf.h (Secn_fptr_taken_set): New typedef.
2690         (fptr_section_id_): New member.
2691         (section_has_function_pointers): New function.
2692         (set_section_has_function_pointers): New function.
2693         (check_section_for_function_pointers): New function.
2694         * options.h: Fix comment for safe ICF option.
2695         * target.h (can_check_for_function_pointers): New function.
2696         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2697         Modify icf_safe_test for X86-64.
2698         * testsuite/Makefile.in: Regenerate.
2699         * testsuite/icf_safe_so_test.cc: New file.
2700         * testsuite/icf_safe_so_test.sh: New file.
2701         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2702         (main): Change to take pointer to function kept_func_3.
2703         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2704         folding is done correctly for X86-64.
2706 2010-02-12  David S. Miller  <davem@davemloft.net>
2708         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2709         is_symbolless parameter.
2710         (Output_reloc<SHT_REL>::is_symbolless): New.
2711         (Output_reloc<SHT_REL>::is_symbolless_): New.
2712         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2713         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2714         (Output_reloc<SHT_RELA>::is_symbolless): New.
2715         (Output_data_reloc::add_global): Handle is_symbolless.
2716         (Output_data_reloc::add_global_relative): Likewise.
2717         (Output_data_reloc::add_local): Likewise.
2718         (Output_data_reloc::add_local_relative): Likewise.
2719         (Output_data_reloc::add_symbolless_global_addend): New.
2720         (Output_data_reloc::add_symbolless_local_addend): New.
2721         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2722         is_symbolless.
2723         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2724         instead of ->is_relative_
2725         (Output_reloc::write): Likewise.
2726         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2727         (Output_reloc::write_rel): Simplify.
2729         * sparc.cc (Target_sparc::Scan::local): Use
2730         ->add_symbolless_local_addend as needed.
2731         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2732         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2733         based upon relocation offset.
2735 2010-02-11  Doug Kwan  <dougkwan@google.com>
2737         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2738         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2739         beginning of function.
2740         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2741         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2742         parameter is_32bit in calls to should_apply_static_reloc.
2743         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2744         (check_DATA): Add arm_abs_global.stdout.
2745         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2746         arm_abs_global.stdout): New rules.
2747         (MOSTLLYCLEANFILES): Add arm_abs_global
2748         * Makefile.in: Regenerate.
2749         * testsuite/arm_abs_global.s: New file.
2750         * testsuite/arm_abs_global.sh: Ditto.
2751         * testsuite/arm_abs_lib.s: Ditto.
2753 2010-02-11  Ian Lance Taylor  <iant@google.com>
2755         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2756         Read_relocs task.
2757         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2758         Allocate_commons_task first.
2759         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2760         task, rather than symtab_lock_.
2761         (Gc_process_relocs::~Gc_process_relocs): New function.
2762         (Gc_process_relocs::is_runnable): Check this_blocker_.
2763         (Gc_process_relocs::locks): Use next_blocker_ rather than
2764         blocker_.
2765         (Scan_relocs::~Scan_relocs): New function.
2766         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2767         symtab_lock_.
2768         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2769         next_blocker_.
2770         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2771         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2772         constructor accordingly.
2773         (class Gc_process_relocs): Likewise.
2774         (class Scan_relocs): Likewise.
2775         * common.h (class Allocate_commons_task): Remove symtab_lock_
2776         field, and corresponding constructor parameter.
2777         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2778         symtab_lock_.
2779         (Allocate_commons_task::locks): Likewise.
2781 2010-02-11  Ian Lance Taylor  <iant@google.com>
2783         * gold-threads.h (class Once): Define.
2784         (class Initialize_lock): Rewrite as child of Once.
2785         * gold-threads.cc (class Once_initialize): Define.
2786         (once_pointer_control): New static variable.
2787         (once_pointer, once_arg): New static variables.
2788         (c_run_once): New static function.
2789         (Once::Once, Once::run_once, Once::internal_run): New functions.
2790         (class Initialize_lock_once): Remove.
2791         (initialize_lock_control): Remove.
2792         (initialize_lock_pointer): Remove.
2793         (initialize_lock_once): Remove.
2794         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2795         (Initialize_lock::initialize): Rewrite.
2796         (Initialize_lock::do_run_once): New function.
2797         * archive.cc (Archive::interpret_header): Only clear name if it is
2798         not already empty.
2799         * fileread.cc: Include "gold-threads.h"
2800         (file_counts_lock): New static variable.
2801         (file_counts_initialize_lock): Likewise.
2802         (File_read::release): Only increment counts when using --stats.
2803         Use a lock around the increment.
2804         * parameters.cc (class Set_parameters_target_once): Define.
2805         (set_parameters_target_once): New static variable.
2806         (Parameters::Parameters): Move here from parameters.h.
2807         (Parameters::set_target): Rewrite.
2808         (Parameters::set_target_once): New function.
2809         (Parameters::clear_target): Move here and rewrite.
2810         * parameters.h (class Parameters): Update declarations.  Add
2811         set_parameters_target_once_ field.
2812         (Parameters::Parameters): Move to parameters.cc.
2813         (Parameters::clear_target): Likewise.
2814         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2815         task.
2816         (Start_group::~Start_group): New function.
2817         (Start_group::is_runnable): New function.
2818         (Start_group::locks, Start_group::run): New functions.
2819         (Finish_group::run): Change saw_undefined to size_t.
2820         * readsyms.h (class Start_group): Define.
2821         (class Finish_group): Change saw_undefined_ field to size_t.
2822         (Finish_group::Finish_group): Remove saw_undefined and
2823         this_blocker parameters.  Change all callers.
2824         (Finish_group::set_saw_undefined): New function.
2825         (Finish_group::set_blocker): New function.
2826         * symtab.h (class Symbol_table): Change saw_undefined to return
2827         size_t.  Change saw_undefined_ field to size_t.
2828         * target-select.cc (Set_target_once::do_run_once): New function.
2829         (Target_selector::Target_selector): Initialize set_target_once_
2830         field.  Don't initialize lock_ and initialize_lock_ fields.
2831         (Target_selector::instantiate_target): Rewrite.
2832         (Target_selector::set_target): New function.
2833         * target-select.h (class Set_target_once): Define.
2834         (class Target_selector): Update declarations.  Make
2835         Set_target_once a friend.  Remove lock_ and initialize_lock_
2836         fields.  Add set_target_once_ field.
2838 2010-02-10  Ian Lance Taylor  <iant@google.com>
2840         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2841         queueing any tasks.
2842         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2843         (queue_middle_tasks): Add all blockers before queueing any tasks.
2844         (queue_final_tasks): Likewise.
2845         * token.h (Task_token::add_blockers): New function.
2846         * object.h (Input_objects::number_of_relobjs): New function.
2848 2010-02-10  Ian Lance Taylor  <iant@google.com>
2850         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2851         shared, not if not position independent.
2852         * x86_64.cc (Relocate::relocate_tls): Likewise.
2853         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2854         (tls_pie_pic_test): New target.
2855         * testsuite/Makefile.in: Rebuild.
2857         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2858         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2859         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2860         * testsuite/Makefile.in: Rebuild.
2862 2010-02-09  David S. Miller  <davem@davemloft.net>
2864         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2865         R_SPARC_RELATIVE using ->add_local_relative().
2866         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2868         * output.h (Output_data_dynamic::add_section_size): New method
2869         that takes two Output_data objects.
2870         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2871         entry param.  Handle it in initializers.
2872         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2873         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2874         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2875         arg.
2876         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2877         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2878         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2879         for dynrel_includes_plt.
2880         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2881         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2882         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2883         before .rela.plt
2884         (Target_sparc::do_finalize_sections): Update to pass true for
2885         dynrel_includes_plt.
2886         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2887         output before .rela.plt
2888         (Target_powerpc::do_finalize_sections): Update to pass true for
2889         dynrel_includes_plt when 32-bit.
2891 2010-02-08  Doug Kwan  <dougkwan@google.com>
2893         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2894         method.
2895         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2896         Arm_relobj::scan_section_for_cortex_a8_stubs,
2897         Arm_relobj::do_relocation_section): Instead of calling
2898         Output_section::output_address, use faster
2899         Arm_relobj::simple_input_section_output_address.
2901 2010-02-08  David S. Miller  <davem@davemloft.net>
2903         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2904         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2905         relocation helper function.
2907         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2908         just like R_SPARC_GOT{10,13,22}.
2909         (Target_sparc::Scan::local): Likewise.
2910         (Target_sparc::Relocate:relocate): Likewise.
2912 2010-02-06  Ian Lance Taylor  <iant@google.com>
2914         * configure.ac: Rewrite targetobjs duplicate removal code to use
2915         only shell constructs.
2916         * configure: Rebuild.
2918 2010-02-05  Doug Kwan  <dougkwan@google.com>
2920         PR 11247
2921         * arm.cc (Arm_relobj::section_is_scannable): New method.
2922         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2923         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2925 2010-02-04  Doug Kwan  <dougkwan@google.com>
2927         PR 11247
2928         * arm-reloc-property.cc (cstdio): Include.
2929         * configure.ac (targetobjs): Remove duplicates.
2930         * configure: Regenerate.
2931         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2932         big and little endian version for a given address size.
2934 2010-02-03  Doug Kwan  <dougkwan@google.com>
2936         * arm-reloc-property.cc
2937         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2938         definition.
2939         * arm-reloc-property.h
2940         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2941         New method definition.
2942         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2943         declaration.
2944         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2945         overflow to N.
2946         (GOT_PREL): Change implemented to Y.
2947         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2948         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2949         (Arm_relocate_functions::movw_abs_nc): Remove method.
2950         (Arm_relocate_functions::movt_abs): Ditto.
2951         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2952         (Arm_relocate_functions::thm_movt_abs): Ditto.
2953         (Arm_relocate_functions::movw_rel_nc): Ditto.
2954         (Arm_relocate_functions::movw_rel): Ditto.
2955         (Arm_relocate_functions::movt_rel): Ditto.
2956         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2957         (Arm_relocate_functions:thm_movw_rel): Ditto.
2958         (Arm_relocate_functions:thm_movt_rel): Ditto.
2959         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2960         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2961         New method definitions.
2962         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2963         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2964         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2965         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2966         (Target_arm::Relocate::relocate): Check for non-static or
2967         unimplemented relocation code and exit early.  Change calls to
2968         Target_arm::reloc_uses_thumb_bit and
2969         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2970         instead.  Refactor code to handle similar relocations to increase
2971         code sharing.  Remove check for unsupported relocation code in switch
2972         statement.
2973         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2974         relocation property table to find out size.  Change error message to
2975         print out the name of a relocation code instead of the numeric value.
2976         (Target_arm::scan_reloc_for_stub): Use relocation property table
2977         instead of calling Target_arm::reloc_uses_thumb_bit().
2979 2010-02-02  Doug Kwan  <dougkwan@google.com>
2981         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2982         types of relaxed input section.
2984 2010-02-02  Doug Kwan  <dougkwan@google.com>
2986         * Makefile.am (HFILES): Add arm-reloc-property.h.
2987         (DEFFILES): New.
2988         (TARGETSOURCES): Add arm-reloc-property.cc
2989         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2990         (libgold_a_SOURCES): $(DEFFILES)
2991         * Makefile.in: Regenerate.
2992         * arm-reloc-property.cc: New file.
2993         * arm-reloc-property.h: New file.
2994         * arm-reloc.def: New file.
2995         * arm.cc: Update comments.
2996         (arm-reloc-property.h): New included header.
2997         (arm_reloc_property_table): New global variable.
2998         (Target_arm::do_select_as_default_target): New method definition.
2999         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3000         arm-reloc-property to targ_extra_obj.
3001         * parameters.cc (set_parameters_target): Call
3002         Target::select_as_default_target().
3003         * target.h (Target::select_as_default_target): New method definition.
3004         (Target::do_select_as_default_target): Same.
3006 2010-02-01  Doug Kwan  <dougkwan@google.com>
3008         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3009         first_output_text_section_.
3010         (Arm_exidx_fixup::first_output_text_section): New method definition.
3011         (Arm_exidx_fixup::first_output_text_section_): New data member.
3012         (Arm_exidx_fixup::process_exidx_section): Record the first text
3013         output section seen.
3014         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3015         and entsize in output section header.
3017 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3019         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3020         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3021         (Arm_relocate_functions::thm_alu11): New Method.
3022         (Arm_relocate_functions::thm_pc8): New Method.
3023         (Arm_relocate_functions::thm_pc12): New Method.
3024         (Target_arm::Scan::local): Handle the relocations.
3025         (Target_arm::Scan::global): Likewise.
3026         (Target_arm::Relocate::relocate): Likewise.
3027         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3029 2010-01-29  Doug Kwan  <dougkwan@google.com>
3031         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3032         of relocation types as ld.
3034 2010-01-29  Doug Kwan  <dougkwan@google.com>
3036         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3037         to public.
3038         (Arm_relocate_functions::thumb_branch_common): Ditto.
3039         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3040         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3041         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3042         Arm_relocate_functions::jump24): Remove.
3043         (Target_arm::Relocate::relocate): Adjust code to call
3044         Arm_relocation_functions::arm_branch_common and
3045         Arm_relocation_functions::thumb_branch_common instead of their removed
3046         wrappers.  Merge switch-cases together to reduce source code size.
3048 2010-01-29  Doug Kwan  <dougkwan@google.com>
3050         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3051         output_local_symbol_count_needs_update_.
3052         (Arm_relobj::output_local_symbol_count_needs_update,
3053          Arm_relobj::set_output_local_symbol_count_needs_update,
3054          Arm_relobj::update_output_local_symbol_count): New methods.
3055         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3056         member.
3057         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3058         of pointed function as in a R_ARM_PREL31 relocation.
3059         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3060         for output local symbol count updating.
3061         (Target_arm::do_relax): Update output local symbol counts in objects
3062         if necessary.
3063         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3065 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3067         * arm.cc: Added support for the ARM relocations:
3068         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3069         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3070         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3071         movw_prel_nc).
3072         (Arm_relocate_functions::movw_rel): New method.
3073         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3074         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3075         thm_movw_prel_nc).
3076         (Arm_relocate_functions::thm_movw_rel): New method.
3077         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3078         thm_movt_prel).
3079         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3080         relocations.
3081         (Target_arm::Scan::global): Likewise.
3082         (Target_arm::Relocate::relocate): Likewise.
3083         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3084         Likewise.
3086 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3088         * arm.cc: Added support for ARM group relocations.
3089         (Target_arm::reloc_needs_sym_origin): New method.
3090         (Arm_relocate_functions::calc_grp_kn): New method.
3091         (Arm_relocate_functions::calc_grp_residual): New method.
3092         (Arm_relocate_functions::calc_grp_gn): New method.
3093         (Arm_relocate_functions::arm_grp_alu): New Method.
3094         (Arm_relocate_functions::arm_grp_ldr): New Method.
3095         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3096         (Arm_relocate_functions::arm_grp_ldc): New Method.
3097         (Target_arm::Scan::local): Handle the ARM group relocations.
3098         (Target_arm::Scan::global): Likewise.
3099         (Target_arm::Relocate::relocate): Likewise.
3100         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3101         Likewise.
3103 2010-01-26  Doug Kwan  <dougkwan@google.com>
3105         * arm.cc (set): Include.
3106         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3107         pointer type.
3108         (Arm_output_section::Text_section_list): New type.
3109         (Arm_output_section::append_text_sections_to_list): New method.
3110         (Arm_output_section::fix_exidx_coverage): Ditto.
3111         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3112         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3113         Relobj::set_section_offset() instead of
3114         Sized_relobj::invalidate_section_offset().
3115         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3116         parameter for section headers. Ignore relocation sections for
3117         unallocated sections and EXIDX sections.
3118         (Target_arm::fix_exidx_coverage): New method.
3119         (Target_arm::output_section_address_less_than): New type.
3120         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3121         linked text section instead of the EXIDX section.
3122         (Arm_output_section::create_stub_group): Add an assertion to check
3123         that this is not an EXIDX output section.
3124         (Arm_output_section::append_text_sections_to_list): New method.
3125         (Arm_output_section::fix_exidx_coverage): Ditto.
3126         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3127         Arm_relobj::section_needs_reloc_stub_scanning.
3128         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3129         first pass.
3130         (Target_arm::fix_exidx_coverage): New method.
3131         * object.h (Relobj::set_output_section): New method.
3132         (Sized_relobj::invalidate_section_offset): Remove method.
3133         (Sized_relobj::do_invalidate_section_offset): Remove method.
3134         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3136 2010-01-25  Doug Kwan  <dougkwan@google.com>
3138         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3139         Fix warning due to signed and unsigned comparison on a 32-bit host.
3141 2010-01-22  Doug Kwan  <dougkwan@google.com>
3143         * arm.cc (Target_arm::do_relax): Record an output section for section
3144         offset adjustment it contains any stub table that has changed.
3145         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3146         offsets in an output section if necessary.
3147         * output.cc (Output_section::Output_section): Initialize
3148         section_offsets_need_adjustments_.
3149         (Output_section::add_input_section_for_script): Renamed to
3150         Output_section::add_simple_input_section.
3151         (Output_section::save_states): Add a comment.
3152         (Output_section::discard_states): New method defintion.
3153         (Output_section::adjust_section_offsets): Same.
3154         * output.h (Output_section::add_input_section_for_script): Renamed to
3155         Output_section::add_simple_input_section.
3156         (Output_section::discard_states): New method declaration.
3157         (Output_section::adjust_section_offsets): Same.
3158         (Output_section::section_offsets_need_adjustment,
3159         Output_section::set_section_offsets_need_adjustment): New method
3160         definitions.
3161         (Output_section::section_offsets_need_adjustment_): New data member.
3162         * script-sections.cc
3163         (Output_section_element_input::set_section_address): Adjust code for
3164         renaming of Output_section::add_input_section_for_script.
3165         (Orphan_output_section::set_section_address): Same.
3167 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3169         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3170         Fix_v4bx enum values .
3171         * gold/options.h (General_options): New option definitions.
3172         (General_options::fix_v4bx): New method.
3173         (General_options::Fix_v4bx): New enum.
3174         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3175         (General_options::parse_fix_v4bx_interworking): New method.
3177 2010-01-22  Doug Kwan  <dougkwan@google.com>
3179         * arm.cc (Arm_exidx_fixup): New class.
3181 2010-01-21  Doug Kwan  <dougkwan@google.com>
3183         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3184         classes.
3185         (Arm_exidx_section_offset_map): New type.
3187 2010-01-21  Doug Kwan  <dougkwan@google.com>
3189         * arm.cc (Arm_exidx_input_section): New class.
3190         (Arm_relobj::exidx_input_section_by_link,
3191         Arm_relobj::exidx_input_section_by_shndx,
3192         Arm_relobj::make_exidx_input_section): New methods.
3193         (read_arm_attributes_section): Remove.
3194         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3195         information about them.
3196         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3197         to here.
3199 2010-01-20  Doug Kwan  <dougkwan@google.com>
3201         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3202         Input_section_specifier to Section_id.
3203         (Target_arm::new_arm_input_section: Adjust code for change of key
3204         type.
3205         (Target_arm::find_arm_input_section): Ditto.
3206         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3207         (Section_id): Remove.
3208         (Garbage_collection::Section_id_hash): Remove.
3209         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3210         (Section_id): Remove.
3211         (Icf::Section_id_hash): Remove.
3212         * object.h (Section_id, Const_section_id, Section_id_hash,
3213         Const_section_id_hash): New type definitions.
3214         * output.cc (Output_section::add_relaxed_input_section): Change to
3215         use Const_section_id instead of Input_section_specifier as key type.
3216         (Output_section::add_merge_input_section): Ditto.
3217         (Output_section::build_relaxation_map): Change to use Section_id
3218         instead of Input_section_specifier as key type.
3219         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3220         Ditto.
3221         (Output_section::convert_input_sections_to_relaxed_sections): Change
3222         to use Const_section_id instead of Input_section_specifier as key type.
3223         (Output_section::find_merge_section): Ditto.
3224         (Output_section::find_relaxed_input_section): Ditto.
3225         * output.h (Input_section_specifier): Remove class.
3226         (Output_section::Output_section_data_by_input_section_map): Change
3227         key type to Const_section_id.
3228         (Output_section::Output_relaxed_input_section_by_input_section_map):
3229         Ditto.
3230         (Output_section::Relaxation_map): Change key type to Section_id.
3232 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3234         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3235         (class Arm_v4bx_stub): New class.
3236         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3237         (Stub_factory::make_arm_v4bx_stub): New method.
3238         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3239         (Stub_table::empty): Handle v4bx stubs.
3240         (Stub_table::add_arm_v4bx_stub): New method.
3241         (Stub_table::find_arm_v4bx_stub): New method.
3242         (Arm_relocate_functions::v4bx): New method.
3243         (Target_arm::fix_v4bx): New method.
3244         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3245         (Stub_table::relocate_stubs): Likewise.
3246         (Stub_table::do_write): Likewise.
3247         (Stub_table::update_data_size_and_addralign): Likewise.
3248         (Stub_table::finalize_stubs):  Likewise.
3249         (Target_arm::Scan::local): Likewise.
3250         (Target_arm::Scan::global): Likewise.
3251         (Target_arm::do_finalize_sections): Likewise.
3252         (Target_arm::Relocate::relocate): Likewise.
3253         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3254         Likewise.
3255         (Target_arm::scan_reloc_for_stub): Likewise.
3256         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3258 2010-01-19  Ian Lance Taylor  <iant@google.com>
3260         * output.cc (Output_section_headers::do_sized_write): Write large
3261         segment count to sh_info field.
3262         (Output_file_header::do_sized_write): For large segment count,
3263         write PN_XNUM to e_phnum field.
3265 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3267         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3268         (Arm_relocate_functions::thm_jump8): New function.
3269         (Arm_relocate_functions::thm_jump11): New function.
3270         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3271         R_ARM_THM_JUMP11.
3272         (Target_arm::Scan::global): Likewise.
3273         (Target_arm::Relocate::relocate): Likewise.
3274         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3275         Likewise.
3277 2010-01-14  Doug Kwan  <dougkwan@google.com>
3279         * arm.cc (map, utility): Include headers.
3280         (Target_arm::apply_cortex_a8_workaround): New method.
3281         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3282         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3283         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3284         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3285         the --[no-]fix-cortex-a8 command line options.
3286         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3287         (Target_arm::relocate_stub): Use addend in instruction template.
3288         * options.h (DEFINE_bool): Set the user-set flag.
3289         (General_options): Add --[no-]-fix-cortex options.
3290         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3291         : Update fast look-up map after conversion.
3293 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3295         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3296         in the first pass of do_layout.
3298 2010-01-13  Doug Kwan  <dougkwan@google.com>
3300         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3301         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3302         apparent compiler problem of not folding static constant integral
3303         data members of elfcpp::Elf_sizes<32>.
3305 2010-01-13  Doug Kwan  <dougkwan@google.com>
3307         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3308         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3309         Arm_relobj::scan_section_for_cortex_a8_erratum,
3310         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3311         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3312         sections to scan for relocation stubs into a new method
3313         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3314         relocation and Cortex-A8 stub scanning.
3315         (Target_arm::do_relax): Force stubs to be after stubbed sections
3316         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3317         the beginning of a new relaxation pass.  Update a comment.
3318         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3320 2010-01-12  Ian Lance Taylor  <iant@google.com>
3322         * target-reloc.h (visibility_error): New inline function.
3323         (relocate_section): Call visibility_error.
3324         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3325         (MOSTLYCLEANFILES): Likewise.
3326         (protected_4_pic.o, protected_3.err): New targets.
3327         * testsuite/protected_4.cc: New file.
3329 2010-01-12  Doug Kwan  <dougkwan@google.com>
3331         * arm.cc (Cortex_a8_reloc): New class.
3332         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3333         and cortex_a8_relocs_info_.
3334         (Target_arm::fix_cortex_a8): New method definition.
3335         (Target_arm::Cortex_a8_relocs_info): New type.
3336         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3337         New data member declarations.
3338         (Target_arm::scan_reloc_for_stub): Record information about
3339         relocations for THUMB branches that might be exempted from the
3340         Cortex-A8 workaround.
3341         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3342         at the beginning of a relaxation pass.
3344 2010-01-12  Doug Kwan  <dougkwan@google.com>
3346         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3347         (Arm_relobj::Mapping_symbol_position,
3348          Arm_reloj::Mapping_symbol_position_less,
3349          Arm_relobj::Mapping_symbols_info): New types.
3350         (Target_arm::is_mapping_symbol_name): New method definition.
3351         (Arm_relobj::do_count_local_symbols): Save information about mapping
3352         symbols.
3354 2010-01-11  Doug Kwan  <dougkwan@google.com>
3356         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3357         Arm_relocate_functions::thumb32_branch_upper,
3358         Arm_relocate_functions::thumb32_branch_lower,
3359         Arm_relocate_functions::thumb32_cond_branch_offset,
3360         Arm_relocate_functions::thumb32_cond_branch_upper,
3361         Arm_relocate_functions::thumb32_cond_branch_lower,
3362         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3363         branch offset encoding.
3364         (Arm_relocate_functions::thumb_branch_common): Use new branch
3365         offset encoding methods to avoid code duplication.
3366         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3367         (Stub_addend_reader::operator()): Use new branch encoding method
3368         to avoid code duplication.
3370 2010-01-11  Doug Kwan  <dougkwan@google.com>
3372         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3373         (Target_arm::do_finalize_sections): Define special EXIDX section
3374         symbols only if referenced.
3375         * gc.h (Garbage_collection::add_reference): New method.
3376         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3377         code duplication.
3379 2010-01-11  Ian Lance Taylor  <iant@google.com>
3381         * script.cc (Version_script_info::build_expression_list_lookup):
3382         Change complaing about duplicate wildcard match from error to
3383         warning.
3385         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3386         of 2009-12-30.
3387         (Version_script_info::Version_script_info): Initialize globs_,
3388         default_version_, default_is_global_, and exact_.  Don't
3389         initialize globals_ or locals_.
3390         (Version_script_info::build_lookup_tables): Build local symbols
3391         first.
3392         (Version_script_info::unquote): New function.
3393         (Version_script_info::add_exact_match): New function.
3394         (Version_script_info::build_expression_list_lookup): Remove lookup
3395         parameter.  Add is_global parameter.  Change all callers.  Handle
3396         wildcard pattern specially.  Unquote pattern.  Call
3397         add_exact_match.
3398         (Version_script_info::get_name_to_match): New function.
3399         (Version_script_info::get_symbol_version): New function.
3400         (Version_script_info::get_symbol_version_helper): Remove.
3401         (Version_script_info::check_unmatched_names): Call unquote.
3402         * script.h (class Version_script_info): Change get_symbol_version
3403         to be non-inline and add is_global parameter; change all callers.
3404         Rewrite symbol_is_local.  Update declarations.  Define struct
3405         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3406         Remove globals_ and locals_ members.  Add exact_, globs_,
3407         default_version_, is_global_.
3408         (Version_script_info::Glob): Remove pattern, add expression and
3409         is_global.  Update constructor.  Change all callers.
3410         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3411         default version.
3412         (Versions::symbol_section_contents): If a symbol is undefined, or
3413         defined in a dynamic object, set the version index to
3414         VER_NDX_LOCAL.
3415         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3416         symbol_is_local.
3417         (Symbol_table::add_from_pluginobj): Likewise.
3418         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3420 2010-01-11  Doug Kwan  <dougkwan@google.com>
3422         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3423         (incremental_dump_LDADD): Add linking option for libintl.
3424         * Makefile.in: Regenerate.
3426 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3428         PR gold/11144
3429         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3430         instead of -Ds.
3431         * testsuite/Makefile.in: Regenerated.
3433 2010-01-10  Doug Kwan  <dougkwan@google.com>
3435         * options.h (DEFINE_var): Use parentheses around argument varname__
3436         in macro body to avoid any unintended subsequent substitutions.
3438 2010-01-10  Ian Lance Taylor  <iant@google.com>
3440         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3441         candidates before doing symbol resolution.
3443         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3444         ODR candidates if only one is weak.
3446 2010-01-08  Ian Lance Taylor  <iant@google.com>
3448         * script.cc (Version_script_info::build_expression_list_lookup):
3449         Don't warn about ambiguous version, just record the ambiguity.
3450         (Version_script_info::get_symbol_version_helper): Give error if
3451         version is ambiguous.
3453 2010-01-08  Doug Kwan  <dougkwan@google.com>
3455         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3456           prev_data_size_ and prev_addralign_.  Remove initializer for
3457           deleted data member has_been_changed_.
3458           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3459           to determine if the table is empty.
3460           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3461           Remove.
3462           (Stub_table::add_reloc_stub): Define method in class definition
3463           instead of just declaring it there.
3464           (Stub_table::add_cortex_a8_stub): New method definition.
3465           (Stub_table::update_data_size_and_addralign): Ditto.
3466           (Stub_table::finalize_stubs): Ditto.
3467           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3468           (Stub_table::do_addralign_): Return address alignment in the
3469           (Stub_table::do_reset_address_and_file_offset): Define method in
3470           class definition instead of declaring it there.  Set current data
3471           size to be the data size of the previous pass.
3472           (Stub_table::set_final_data_size): Use current data size as the
3473           final data size.
3474           (Stub_table::relocate_stub): Change parameter type of stub from
3475           Reloc_stub pointer to Stub pointer.
3476           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3477           (Stub_table::Cortex_a8_stub_list): New typedef.
3478           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3479            Stub_table::prev_addralign_): New data member.
3480           (Arm_relobj::Arm_relobj): Initialize data member
3481           section_has_cortex_a8_workaround_.
3482           (Arm_relobj::section_has_cortex_a8_workaround,
3483            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3484            definitions.
3485           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3486           declarations.
3487           (Target_arm::relocate_stub): Change parameter type of stub from
3488           Reloc_stub pointer to Stub pointer.
3489           (Insn_template::size, Insn_template::alignment): Handle
3490           THUMB16_SPECIAL_TYPE.
3491           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3492            Stub_table::update_data_size_and_addralign,
3493            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3494           definitions.
3495           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3496           (Stub_table::do_write): Ditto.
3497           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3499 2010-01-08  Ian Lance Taylor  <iant@google.com>
3501         PR 11108
3502         * symtab.h (class Symbol): Remove fields is_target_special_ and
3503         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3504         (Symbol::is_defined_in_discarded_section): New function.
3505         (Symbol::set_is_defined_in_discarded_section): New function.
3506         (Symbol::has_plt_offset): Rewrite.
3507         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3508         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3509         Don't initialize is_target_special_ or has_plt_offset_.
3510         Initialize is_defined_in_discarded_section_.
3511         (Symbol_table::add_from_relobj): If appropriate, set
3512         is_defined_in_discarded_section.
3513         * resolve.cc (Symbol::override_base_with_special): Don't test
3514         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3515         * target-reloc.h (relocate_section): Do special handling for
3516         symbols defined in discarded sections for global symbols as well
3517         as local symbols.
3519 2010-01-08  Ian Lance Taylor  <iant@google.com>
3521         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3522         the SHT_SYMTAB case.
3524 2010-01-08  Ian Lance Taylor  <iant@google.com>
3526         * object.cc (Sized_relobj::do_layout): Don't get confused if
3527         layout_eh_frame returns NULL.
3529 2010-01-08  Ian Lance Taylor  <iant@google.com>
3531         PR 11084
3532         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3533         dynamic symbol table, use the normal symbol table.
3534         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3535         symbol table.
3537 2010-01-08  Ian Lance Taylor  <iant@google.com>
3539         PR 11072
3540         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3541         sections.
3543 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3545         * version.cc (print_version): Change to "Copyright 2010".
3547 2010-01-08  Ian Lance Taylor  <iant@google.com>
3549         PR 10287
3550         PR 11063
3551         * i386.cc (class Target_i386): Change return type of plt_section
3552         to be non-const.
3553         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3554         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3555         tls_desc_rel_ field.
3556         (Output_data_plt_i386::rel_tls_desc): New function.
3557         (Target_i386::rel_tls_desc_section): New function.
3558         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3559         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3560         R_386_TLS_DESC reloc in rel_tls_desc_section.
3561         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3562         Define struct Tlsdesc_info.
3563         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3564         (Target_x86_64::do_reloc_symbol_index): New function.
3565         (Target_x86_64::add_tlsdesc_info): New function.
3566         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3567         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3568         tlsdesc_rel_ field.
3569         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3570         all callers.
3571         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3572         (Target_x86_64::rela_tlsdesc_section): New function.
3573         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3574         handling.
3575         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3576         (Target_x86_64::do_reloc_addend): New function.
3577         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3578         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3579         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3580         (Output_reloc::type): New function.
3581         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3582         (Output_reloc::is_target_specific): New function.
3583         (Output_reloc::target_arg): New function.
3584         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3585         absolute relocs and target specific relocs.
3586         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3587         add_target_specific.
3588         (class Output_data_reloc) [SHT_RELA]: Likewise.
3589         * output.cc (Output_reloc::Output_reloc): Add four new versions
3590         for absolute relocs and target specific relocs.
3591         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3592         (Output_reloc::get_symbol_index): Likewise.
3593         (Output_reloc::local_section_offset): Check that local_sym_index_
3594         is not TARGET_CODE or 0.
3595         (Output_reloc::symbol_value): Likewise.
3596         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3597         reloc.
3598         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3599         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3600         functions.
3601         * layout.cc (add_target_dynamic_tags): Use output section for
3602         DT_PLTRELSZ and DT_JMPREL.
3604 2010-01-07  Ian Lance Taylor  <iant@google.com>
3606         PR 11061
3607         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3608         function.
3609         (class Output_data_reloc_generic): Define.
3610         (class Output_data_reloc_base): Change base class to
3611         Output_data_reloc_generic.  Change add() method to call
3612         bump_relative_reloc_count for a relative reloc.  Remove
3613         sort_relocs_ field.
3614         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3615         to sort_relocs().
3616         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3617         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3618         appropriate.
3619         * layout.h (class Layout): Update declaration.
3621 2010-01-07  Ian Lance Taylor  <iant@google.com>
3623         * output.h (class Output_data): Add const version of
3624         output_section and do_output_section.
3625         (class Output_section_data): Add const version of
3626         do_output_section.
3627         (class Output_section): Likewise.
3628         * layout.cc (Layout::add_target_dynamic_tags): New function.
3629         * layout.h (class Layout): Update declarations.
3630         * arm.cc (Target_arm::do_finalize_sections): Use
3631         add_target_dynamic_tags.
3632         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3633         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3634         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3635         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3637 2010-01-07  Ian Lance Taylor  <iant@google.com>
3639         PR 11042
3640         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3641         object as needed.
3643 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3644             Ian Lance Taylor  <iant@google.com>
3646         PR 11019
3647         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3648         Xindex::read_symtab_xindex.
3650 2010-01-07  Doug Kwan  <dougkwan@google.com>
3652         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3653         (Insn_template::thumb16_bcond_insn): New method declaration.
3654         (Insn_template): Fix spelling.
3655         (Stub::thumb16_special): New method declaration.
3656         (Stub::do_write): Define virtual method which was previously pure
3657         virtual.
3658         (Stub::do_thumb16_special): New method declaration.
3659         (Stub::do_fixed_endian_write): New template member.
3660         (Reloc_stub::do_write): Remove.
3661         (Reloc_stub::do_fixed_endian_write): Remove.
3662         (Cortex_a8_stub): New class definition.
3663         (Stub_factory::make_cortex_a8_stub): New method definition.
3664         (Stub_factory::Stub_factory): Add missing static storage class
3665         qualifier for elf32_arm_stub_a8_veneer_blx.
3667 2010-01-07  Ian Lance Taylor  <iant@google.com>
3669         PR 10980
3670         * options.h (class General_options): Add --warn-unresolved-symbols
3671         and --error-unresolved-symbols.
3672         * errors.cc (Errors::undefined_symbol): Implement
3673         --warn-unresolved-symbols.
3675         * options.h (class General_options): Add -z text and -z textoff.
3676         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3678 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3680         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3681         (Garbage_collection::cident_sections): New function.
3682         (Garbage_collection::add_cident_section): New function.
3683         (Garbage_collection::cident_sections_): New member.
3684         (gc_process_relocs): Add references to sections whose names are C
3685         identifiers.
3686         * gold.h (cident_section_start_prefix): New constant.
3687         (cident_section_stop_prefix): New constant.
3688         (is_cident): New function.
3689         * layout.cc (Layout::define_section_symbols): Replace string constants
3690         with the newly defined constants.
3691         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3692         C identifiers.
3693         * testsuite/Makefile.am: Add gc_orphan_section_test.
3694         * testsuite/Makefile.in: Regenerate.
3695         * testsuite/gc_orphan_section_test.cc: New file.
3696         * testsuite/gc_orphan_section_test.sh: New file.
3698 2010-01-06  Ian Lance Taylor  <iant@google.com>
3700         PR 10980
3701         * options.h (class General_options): Add --warn-shared-textrel.
3702         * layout.cc (Layout::finish_dynamic_section): Implement
3703         --warn-shared-textrel.
3705         PR 10980
3706         * options.h (class General_options): Add --warn-multiple-gp.
3708 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3710         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3711         $(THREADSLIB) and $(LIBDL).
3712         * Makefile.in: Rebuild.
3714 2010-01-06  Ian Lance Taylor  <iant@google.com>
3716         PR 10980
3717         * options.cc (General_options::parse_section_start): New function.
3718         (General_options::section_start): New function.
3719         (General_options::General_options): Initialize all members.
3720         * options.h: Include <map>
3721         (class General_options): Add --section-start.  Add section_starts_
3722         member.
3723         * layout.cc (Layout::attach_allocated_section_to_segment): If
3724         --section-start was used, set the address of the segment.  Remove
3725         local sort_sections.
3726         (Layout::relaxation_loop_body): If the address of the load segment
3727         has been set by --section-start, don't use it.
3728         * output.h (Output_segment::update_flags_for_output_section): New
3729         function.
3730         * output.cc (Output_segment::add_output_section): Call
3731         update_flags_for_output_section.
3733 2010-01-05  Ian Lance Taylor  <iant@google.com>
3735         PR 10980
3736         * options.h (class General_options): Add --undefined-version.
3737         * script.cc (struct Version_expression): Add was_matched_by_symbol
3738         field.
3739         (Version_script_info::matched_symbol): New function.
3740         (Version_script_info::get_symbol_version_helper): Call
3741         matched_symbol.
3742         (Version_script_info::check_unmatched_names): New function.
3743         * script.h (class Version_script_info): Update declarations.
3744         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3746         * options.h (class General_options): Use DEFINE_bool_alias for
3747         allow_multiple_definition.
3748         * resolve.cc (Symbol_table::should_override): Don't test
3749         allow_multiple_definition.
3751         PR 10980
3752         * options.h (class General_options): Add --cref.
3753         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3754         until after printing cref table.
3755         * cref.cc: Include "symtab.h".
3756         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3757         (Cref_table_compare::operator()): New function.
3758         (Cref_inputs::gather_cref): New function.
3759         (filecol): New static const.
3760         (Cref_inputs::print_cref): New function.
3761         (Cref::print_cref): New function.
3762         * cref.h: Include <cstdio>.
3763         (class Cref): Update declarations.
3764         * mapfile.h (Mapfile::file): New function.
3765         * object.h (class Object): Define Symbols.  Declare virtual
3766         do_get_global_symbols.
3767         (Object::get_global_symbols): New function.
3768         * object.cc (Input_objects::add_object): Pass object to cref_ if
3769         --cref.
3770         (Input_objects::archive_start): Likewise.
3771         (Input_objects::archive_stop): Likewise.
3772         (Input_objects::print_cref): New function.
3773         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3774         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3775         --cref.
3776         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3777         function.
3778         * plugin.h (class Sized_pluginobj): Update declarations.
3780 2010-01-05  Ian Lance Taylor  <iant@google.com>
3782         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3783         to is_default_version.  Rename insdef to insdefault.
3784         (Symbol_table::add_from_relobj): Rename def to is_default_version
3785         and local to is_forced_local.
3786         (Symbol_table::add_from_pluginobj): Likewise.
3787         (Symbol_table::add_from_dynobj): Likewise.
3788         (Symbol_table::define_special_symbol): Rename insdef to
3789         insdefault.
3791 2010-01-04  Ian Lance Taylor  <iant@google.com>
3793         PR 10980
3794         * options.h (class General_options): Add
3795         --allow-multiple-definition and -z muldefs.
3796         * resolve.cc (Symbol_table::should_override): Don't warn about a
3797         multiple symbol definition if --allow-multiple-definition or -z
3798         muldefs.
3800         PR 10980
3801         * options.h (class General_options): Add --add-needed and
3802         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3803         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3804         error if --copy-dt-needed-entries aka --add-needed is used and
3805         would cause a change in behaviour.
3807         PR 10980
3808         * options.h (class General_options): Add -G as a short version of
3809         --shared.  Add no-op options -assert, -g, and -i.
3811 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3813         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3814         check for .text or .gnu.linkonce.t sections.
3815         * icf.cc (Icf::find_identical_sections): Ditto.
3816         Change the detection for mangled function name within the section
3817         name.
3818         * icf.h (is_section_foldable_candidate): New function.
3820 2009-12-30  Ian Lance Taylor  <iant@google.com>
3822         PR 10980
3823         * options.h (class General_options): Permit two dashes with
3824         --retain-symbols-file.
3826 2009-12-30  Ian Lance Taylor  <iant@google.com>
3828         PR 10979
3829         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3830         don't put the file header and segment headers in the text
3831         segment.
3833         PR 10979
3834         * common.cc (Sort_commons::operator()): Stabilize sort when both
3835         entries are NULL.
3836         (Symbol_table::do_allocate_commons_list): When allocating common
3837         symbols, skip a symbol which is no longer common.
3838         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3839         an object before checking its type.
3840         * testsuite/common_test_2.c: New file.
3841         * testsuite/common_test_3.c: New file.
3842         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3843         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3844         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3845         (common_test_2_pic.o, common_test_2.so): New targets.
3846         (common_test_3_pic.o, common_test_3.so): New targets.
3847         * testsuite/Makefile.in: Rebuild.
3849         PR 10979
3850         * script.cc (read_input_script): If we see a new SECTIONS clause,
3851         and we have added an input section, give an error.
3852         * layout.h (class Layout): Add have_added_input_section function.
3853         Add have_added_input_section_ field.
3854         * layout.cc (Layout::Layout): Initialize
3855         have_added_input_section_.
3856         (Layout::layout): Set have_added_input_section_.
3857         (Layout::layout_eh_frame): Likewise.
3859 2009-12-30  Ian Lance Taylor  <iant@google.com>
3861         PR 10931
3862         * options.h (class General_options): Add --sort-common option.
3863         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3864         * common.cc (Sort_common): Add sort_order parameter to
3865         constructor.  Add sort_order_ field.
3866         (Sort_commons::operator): Check sort_order_.
3867         (Symbol_table::allocate_commons): Determine the sort order.
3868         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3869         Change all callers.
3870         (Symbol_table::do_allocate_commons_list): Likewise.
3872 2009-12-30  Ian Lance Taylor  <iant@google.com>
3874         PR 10916
3875         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3876         symbols from this object, don't change the visibility of an
3877         undefined symbol.
3878         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3880 2009-12-30  Ian Lance Taylor  <iant@google.com>
3882         PR 10861
3883         * script.h (class Version_script_info): Define Language enum.
3884         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3885         new fields globals_, locals_, and is_finalized_.
3886         * script.cc: Various formatting fixes.
3887         (class Parser_closure): Change language_stack_ from a vector of
3888         std::string to one of Version_script_info::Language.  Adjust all
3889         uses accordingly.
3890         (class Lazy_demangler): Remove.
3891         (struct Version_expression): Change language from std::string to
3892         Version_script_info::Language.
3893         (Version_script_info::Version_script_info): New function.
3894         (Version_script_info::~Version_script_info): Don't call clear.
3895         (Version_script_info::finalize): New function.
3896         (Version_script_info::build_lookup_tables): New function.
3897         (Version_script_info::build_expression_list_lookup): New
3898         function.
3899         (Version_script_info::get_symbol_version_helper): Rewrite to use
3900         lookup tables.
3901         (Version_script_info::print_expression_list): Adjust to use
3902         Version_script_info::Language.
3903         (script_push_lex_into_version_mode): Check that the version script
3904         has not been finalized.
3905         (version_script_push_lang): Change language string to
3906         Version_script_info::Language.
3907         * options.cc (Command_line::version_script): New function.
3908         * options.h (class General_options): Add finalize_dynamic_list
3909         function.  Change version_script from declaration to definition.
3910         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3911         * testsuite/version_script.map: Remove duplicate def of foo.
3912         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3913         version_script.map.
3914         * testsuite/Makefile.in: Rebuild.
3916 2009-12-30  Ian Lance Taylor  <iant@google.com>
3918         PR 10843
3919         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3920         if the input symbol index is 0, make the output symbol index 0.
3922 2009-12-30  Ian Lance Taylor  <iant@google.com>
3924         PR 10670
3925         * options.h (class General_options): Add -x/--discard-all.
3926         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3927         --discard-all.  If the local symbol needs a dynamic entry, check
3928         that before handling --discard-locals.
3930 2009-12-30  Ian Lance Taylor  <iant@google.com>
3932         PR 10450
3933         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3934         flags to PF_R.
3935         (Output_segment::add_output_section): Don't change the flags if
3936         the type is PT_TLS.
3938         PR 10450
3939         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3940         GNU hash table if they need a dynamic value.  Otherwise, don't add
3941         them if they are defined in a dynamic object or are forced local.
3943 2009-12-29  Ian Lance Taylor  <iant@google.com>
3945         PR 10450
3946         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3947         .gnu.hash table for a 32-bit target.
3949         PR 10450
3950         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3951         regular and a dynamic object only needs a dynamic symbol table
3952         entry if it is externally visible.
3954         PR 10450
3955         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3956         constructor.  Add global_offset_table_ field.
3957         (Target_i386::got_section): Set global_offset_table_.
3958         (Target_i386::do_finalize_sections): Set global_offset_table_
3959         size.
3960         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3961         in constructor.  Add global_offset_table_ field.
3962         (Target_x86_64::got_section): Set global_offset_table_.
3963         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3964         size.
3966         * layout.cc (Layout::Layout): Initialize increase_relro_.
3967         (Layout::get_output_section): Add is_relro, is_last_relro, and
3968         is_first_non_relro parameters.  Change all callers.
3969         (Layout::choose_output_section): Likewise.
3970         (Layout::add_output_section_data): Likewise.
3971         (Layout::make_output_section): Likewise.
3972         (Layout::set_segment_offsets): Clear increase_relro when using a
3973         linker script.
3974         * layout.h (class Layout): Add increase_relro method.  Add
3975         increase_relro_ field.  Update declarations.
3976         * output.cc (Output_section::Output_section): Initialize
3977         is_last_relro_ and is_first_non_relro_.
3978         (Output_segment::add_output_section): Group relro sections is
3979         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3980         (Output_segment::maximum_alignment): Remove relro handling.
3981         (Output_segment::set_section_addresses): Add increase_relro
3982         parameter.  Change all callers.  Add initial alignment to align
3983         relro sections on separate page.  Remove old relro handling.
3984         (Output_segment::set_section_list_addresses): Remove in_relro
3985         parameter.  Change all callers.
3986         (Output_segment::set_offset): Add increase parameter.  Change all
3987         callers.  Remove old relro handling.
3988         * output.h (class Output_section): Add new methods: is_last_relro,
3989         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3990         Add is_last_relro_ and is_first_non_relro_ fields.
3991         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3992         Create separate .got.plt section.  Call increase_relro.
3993         * x86_64.cc (Target_x86_64::got_section): Likewise.
3994         * testsuite/relro_script_test.t: Add .got.plt.
3996         PR 10450
3997         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3998         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3999         (Layout::finalize): Call set_dynamic_symbol_size.
4000         (Layout::set_dynamic_symbol_size): New function.
4001         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4002         set_dynamic_symbol_size.
4004         PR 10450
4005         * output.h (class Output_section): Add is_entsize_zero_ field.
4006         * output.cc (Output_section::Output_section): Initialize
4007         is_entsize_zero_.
4008         (Output_section::set_entsize): If two different entsizes are
4009         requested, force it to zero.
4010         (Output_section::add_input_section): Set flags for .debug_str
4011         before updating section flags.  Set entsize.
4012         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4013         and SHF_STRING if all input sections have those flags.
4015 2009-12-29   Rafael Espindola  <espindola@google.com>
4017         * main.cc (main): Fix the sys time reporting.
4018         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4019         reporting.
4021 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4023         * options.cc (General_options::parse_version): Allow -v to exit
4024         without an error if there is nothing to link.
4026 2009-12-29  Ian Lance Taylor  <iant@google.com>
4028         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4029         using a version of gcc before 4.1.
4030         * configure: Rebuild.
4032 2009-12-28  Chris Demetriou  <cgd@google.com>
4034         * attributes.cc (Output_attributes_section_data::do_write): Use
4035         std::vector::front rather than std::vector::data.
4037 2009-12-28  Ian Lance Taylor  <iant@google.com>
4039         * symtab.h (class Symbol_table): Add enum Defined.
4040         * resolve.cc (Symbol_table::should_override): Add defined
4041         parameter.  Change all callers.  Test whether object is NULL
4042         before calling a method on it.
4043         (Symbol_table::report_resolve_problem): Add defined parameter.
4044         Change all callers.
4045         (Symbol_table::should_override_with_special): Likewise.
4046         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4047         parameter.  Change all callers.
4048         (Symbol_table::do_define_in_output_data): Likewise.
4049         (Symbol_table::define_in_output_segment): Likewise.
4050         (Symbol_table::do_define_in_output_segment): Likewise.
4051         (Symbol_table::define_as_constant): Likewise.
4052         (Symbol_table::do_define_as_constant): Likewise.
4053         * script.h (class Symbol_assignment): Add is_defsym parameter to
4054         constructor; change all callers.
4055         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4056         parameter.  Change all callers.  Add is_defsym_ field.
4057         (class Parser_closure): Add parsing_defsym parameter to
4058         constructor; change all callers.  Add parsing_defsym accessor
4059         function.  Add parsing_defsym_ field.
4061 2009-12-28  Ian Lance Taylor  <iant@google.com>
4063         * gold.cc (queue_middle_tasks): Fix formatting.
4064         * object.cc (Relobj::is_section_name_included): Likewise.
4066 2009-12-23  Ian Lance Taylor  <iant@google.com>
4068         * i386.cc (Target_i386::do_calls_non_split): Recognize
4069         -fsplit-stack prologue for a function with a static chain.
4070         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4071         -fsplit-stack prologue when using %r11.
4073 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4075         * options.cc (General_options::parse_version): Make -v continue and do
4076         the link like GNU ld does.
4078 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4080         * Makefile.am (CCFILES): Add timer.cc.
4081         (HFILES): Add timer.h.
4082         * configure.ac: Check for sysconf and times.
4083         * main.cc: include timer.h.
4084         (main): Use Timer instead of get_run_time.
4085         * timer.cc: New.
4086         * timer.h: New.
4087         * workqueue.cc: include timer.h.
4088         (Workqueue::find_and_run_task):
4089         Report user, sys and wall time.
4090         * Makefile.in: Regenerate.
4091         * config.in: Regenerate.
4092         * configure: Regenerate.
4094 2009-12-16  Doug Kwan  <dougkwan@google.com>
4096         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4097         sections.
4098         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4099         relaxed input sections.
4100         * output.cc (Output_section::find_relaxed_input_section): Change
4101         return type to Output_relaxed_input_section pointer.  Adjust code
4102         for new type of relaxed_input_section_map_.
4103         * output.h (Output_section::find_relaxed_input_section): Change
4104         return type to Output_relaxed_input_section pointer.
4105         (Output_section::Output_relaxed_input_section_by_input_section_map):
4106         New type.
4107         (Output_section::relaxed_input_section_map_): Change type to
4108         Output_section::Output_relaxed_input_section_by_input_section_map.
4109         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4110         input section.
4112 2009-12-15  Ian Lance Taylor  <iant@google.com>
4114         * layout.cc (Layout::create_shstrtab): Only write out after input
4115         sections if we are compressing debug sections.
4117 2009-12-15  Ian Lance Taylor  <iant@google.com>
4119         * archive.cc (Archive::add_symbols): Only look up a symbol without
4120         a version if there is, in fact, a version.
4122 2009-12-14  Ian Lance Taylor  <iant@google.com>
4124         Revert -Wshadow changes, all changes from:
4125         2009-12-11  Doug Kwan  <dougkwan@google.com>
4126         2009-12-11  Nick Clifton  <nickc@redhat.com>
4127         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4129 2009-12-11  Doug Kwan  <dougkwan@google.com>
4131         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4132         due to -Wshadow.
4133         * attributes.cc (Object_attribute::size): Ditto.
4134         (Attributes_section_data::size): Ditto.
4135         (Attributes_section_data::Attributes_section_data): Ditto.
4136         (Output_attributes_section_data::do_write): Ditto.
4137         * attributes.h (Object_attribute::set_type): Ditto.
4138         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4140 2009-12-11  Nick Clifton  <nickc@redhat.com>
4142         * archive.cc: Fix shadowed variable warnings.
4143         * arm.cc: Likewise.
4144         * compressed_output.cc: Likewise.
4145         * compressed_output.h: Likewise.
4146         * configure: Likewise.
4147         * dwarf_reader.cc: Likewise.
4148         * dynobj.cc: Likewise.
4149         * dynobj.h: Likewise.
4150         * ehframe.cc: Likewise.
4151         * ehframe.h: Likewise.
4152         * errors.cc: Likewise.
4153         * expression.cc: Likewise.
4154         * fileread.cc: Likewise.
4155         * fileread.h: Likewise.
4156         * freebsd.h: Likewise.
4157         * i386.cc: Likewise.
4158         * icf.cc: Likewise.
4159         * incremental.h: Likewise.
4160         * layout.cc: Likewise.
4161         * layout.h: Likewise.
4162         * mapfile.cc: Likewise.
4163         * merge.cc: Likewise.
4164         * merge.h: Likewise.
4165         * object.cc: Likewise.
4166         * object.h: Likewise.
4167         * options.h: Likewise.
4168         * output.cc: Likewise.
4169         * output.h: Likewise.
4170         * parameters.cc: Likewise.
4171         * plugin.cc: Likewise.
4172         * powerpc.cc: Likewise.
4173         * reduced_debug_output.cc: Likewise.
4174         * reduced_debug_output.h: Likewise.
4175         * reloc.cc: Likewise.
4176         * reloc.h: Likewise.
4177         * resolve.cc: Likewise.
4178         * script-sections.cc: Likewise.
4179         * script.cc: Likewise.
4180         * script.h: Likewise.
4181         * sparc.cc: Likewise.
4182         * symtab.cc: Likewise.
4183         * symtab.h: Likewise.
4184         * target-select.cc: Likewise.
4185         * target-select.h: Likewise.
4186         * token.h: Likewise.
4187         * workqueue.cc: Likewise.
4188         * workqueue.h: Likewise.
4189         * x86_64.cc: Likewise.
4191 2009-12-10  Doug Kwan  <dougkwan@google.com>
4193         * arm.cc (attributes.h): New include.
4194         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4195         (Arm_relobj::~Arm_relobj): Delete object pointed by
4196         attributes_section_data_.
4197         (Arm_relobj::attributes_section_data): New method definition.
4198         (Arm_relobj::attributes_section_data_): New data member declaration.
4199         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4200         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4201         attributes_section_data_.
4202         (Arm_dynobj::attributes_section_data): New method definition.
4203         (Arm_dynobj::attributes_section_data_): New data member declaration.
4204         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4205         initialization value of may_use_blx_ to false.
4206         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4207         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4208         object attributes to compute results instead of hard-coding.
4209         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4210         Target_arm::get_secondary_compatible_arch,
4211         Target_arm::set_secondary_compatible_arch
4212         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4213         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4214         New method declarations.
4215         (Target_arm::get_aeabi_object_attribute): New method definition.
4216         (Target_arm::attributes_section_data_): New data member declaration.
4217         (read_arm_attributes_section): New template definition.
4218         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4219         (Arm_dynobj::do_read_symbols): Ditto.
4220         (Target_arm::do_finalize_sections): Merge attributes sections from
4221         input.  Check for BLX use after attributes section merging.
4222         Fix __exidx_start and __exidx_end visibility.  Create an
4223         .ARM.attributes section if necessary.
4224         (Target_arm::get_secondary_compatible_arch,
4225         Target_arm::set_secondary_compatible_arch,
4226         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4227         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4228         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4229         New method definitions.
4231 2009-12-09  Ian Lance Taylor  <iant@google.com>
4233         * plugin.cc (Plugin::load): Don't cast from void* to a function
4234         pointer.
4236 2009-12-09  Ian Lance Taylor  <iant@google.com>
4238         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4239         information fields.
4241 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4243         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4244         Replace two_file_shared_1.so with two_file_shared_2.so.
4245         * testsuite/Makefile.in: Regenerated.
4247 2009-12-08  Doug Kwan  <dougkwan@google.com>
4249         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4250         (HFILES): Add attributes.h and int_encoding.h.
4251         * Makefile.in: Regenerate.
4252         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4253         function definitions to int_encoding.cc
4254         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4255         prototypes to int_encoding.h
4256         * reduced_debug_output.cc (int_encoding.h): New include.
4257         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4258         function definitions to int_encoding.cc
4259         (insert_into_vector, read_from_pointer): Move template definitions to
4260         int_encoding.h
4261         * attributes.cc: New file.
4262         * attributes.h: New file.
4263         * int_encoding.cc: New file.
4264         * int_encoding.h: New file.
4266 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4268         PR gold/11055
4269         * incremental-dump.cc (dump_incremental_inputs): New.
4270         (main): Use dump_incremental_inputs.
4272 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4274         PR gold/10893
4275         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4276         checking elfcpp::STT_FUNC.
4277         (Target_i386::Relocate::relocate): Likewise.
4278         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4280         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4281         symbols from shared libraries into normal FUNC symbols.
4283         * symtab.h (Symbol): Add is_func and use it.
4285 2009-12-05  Doug Kwan  <dougkwan@google.com>
4287         * arm.cc (Target_arm::arm_info): Initialize new fields
4288         attributes_section and attributes_vendor.
4289         * i386.cc (Target_i386::i386_info): Same.
4290         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4291         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4292         fields attributes_section and attributes_vendor.
4293         * sparc.cc (Target_sparc::sparc_info): Same.
4294         * target.h (Target::attributes_section, Target::attributes_vendor,
4295         Target::is_attributes_section, Target::attribute_arg_type,
4296         Target::attributes_order): New method definitions.
4297         (Target::Target_info::attributes_section,
4298         Target::Target_info::attributes_vendor): New fields.
4299         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4300         virtual method definitions.
4301         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4302         attributes_section and attributes_vendor.
4303         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4305 2009-12-05  Doug Kwan  <dougkwan@google.com>
4307         * arm.cc: Update comments about interworking and stub generation.
4308         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4309         considered as non-PIC.
4310         (Arm_relocate_functions::base_abs): Fix formatting.
4311         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4312         of function to use GOT entry address instead of offset.
4313         (Target_arm::Scan::global): Issue an error if a symbol would need a
4314         PLT does not get one because it is untyped.  Remove code to create
4315         dynamic symbols for relative branches.
4316         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4317         takes unsigned integer instead of boolean.
4319 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4321         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4322         (two_file_test_LDADD): Likewise.
4323         (common_test_1_LDADD): Likewise.
4324         (exception_test_LDADD) Likewise.
4325         (weak_test_LDADD): Likewise.
4326         (many_sections_test_LDADD): Likewise.
4327         (initpri1_LDADD): Likewise.
4328         (script_test_1_LDADD): Likewise.
4329         (script_test_2_LDADD): Likewise.
4330         (justsyms_LDADD): Likewise.
4331         (binary_test_LDADD): Likewise.
4332         (large_LDADD): Likewise.
4333         * testsuite/Makefile.in: Regenerated.
4335 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4337         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4338         (Symbol_table::override_with_special): Likewise.
4339         (Symbol_table::add_from_object): Likewise.
4341 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4343         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4344         Don't set the data_offset twice.
4346 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4348         * testsuite/Makefile.in: Regenerate.
4350 2009-12-03  Doug Kwan  <dougkwan@google.com>
4352         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4353         (Target_arm::do_finalize_sections): Add parameter for symbol table
4354         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4355         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4356         parameter for symbol table pointer.
4357         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4358         an additional parameter for a pointer to symbol table.
4359         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4360         parameter for a symbol table pointer.
4361         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4362         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4363         Ditto.
4364         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4365         parameter for a symbol table pointer.
4367 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4369         * incremental.cc (Incremental_inputs_header)
4370         (Incremental_inputs_header_write, Incremental_inputs_entry)
4371         (Incremental_inputs_entry_write): Move ...
4372         * incremental.h (Incremental_inputs_header)
4373         (Incremental_inputs_header_write, Incremental_inputs_entry)
4374         (Incremental_inputs_entry_write): here.
4376 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4378         * incremental.cc (make_sized_incremental_binary): Set the target.
4379         Error if it is incompatible.
4380         * output.h (Output_file): Add filename method.
4382 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4384         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4385         from the get_* methods.
4387 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4389         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4390         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4391         Write 0 for the data_offset of scripts.
4393 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4395         * testsuite/Makefile.am: Add the incremental_test.sh test.
4396         * testsuite/incremental_test.sh: New.
4397         * testsuite/incremental_test_1.c: New.
4398         * testsuite/incremental_test_2.c: New.
4400 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4402        * incremental-dump.cc (main): Fix typos.
4404 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4406         PR gold/11025
4407         * incremental-dump.cc (main): Use llu to print 64 bit values.
4409 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
4410             H.J. Lu  <hongjiu.lu@intel.com>
4412         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4413         $(LIBDL).
4414         (incremental_dump_LDADD): Likewise.
4415         * Makefile.in: Regenerated.
4417 2009-11-25  Doug Kwan  <dougkwan@google.com>
4419         Revert:
4421         2009-11-25  Doug Kwan  <dougkwan@google.com>
4423                 * arm.cc (Target_arm::Target_arm): Move method definition
4424                 outside of class definition.  Add code to handle
4425                 --target1-rel, --target1-abs and --target2= options.
4426                 (Target_arm::get_reloc_reloc_type): Change method to be
4427                 non-static and const.
4428                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4429                 New data member declaration.
4430                 (Target_arm::Scan::local, Target_arm::Scan::global,
4431                 Target_arm::Relocate::relocate,
4432                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4433                 Adjust call to Target_arm::get_real_reloc_type.
4434                 (Target_arm::get_real_reloc_type): Use command line options
4435                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4436                 * options.h (--target1-rel, --target1-abs, --target2): New
4437                 ARM-only options.
4439 2009-11-25  Doug Kwan  <dougkwan@google.com>
4441         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4442         class definition.  Add code to handle --target1-rel, --target1-abs
4443         and --target2= options.
4444         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4445         and const.
4446         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4447         member declaration.
4448         (Target_arm::Scan::local, Target_arm::Scan::global,
4449         Target_arm::Relocate::relocate,
4450         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4451         call to Target_arm::get_real_reloc_type.
4452         (Target_arm::get_real_reloc_type): Use command line options to
4453         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4454         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4455         options.
4457 2009-11-25  Doug Kwan  <dougkwan@google.com>
4459         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4460         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4461         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4462         formatting.
4463         (Arm_relocate_functions::thm_call): Replace body with a call to
4464         Arm_relocate_functions::thumb_branch_common.
4465         (Arm_relocate_functions::thm_jump24,
4466         Arm_relocate_functions::thm_xpc22): New method definitions.
4467         (Arm_relocate_functions::thumb_branch_common): New method definition.
4468         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4469         operator.
4470         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4471         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4473 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4475         * Makefile.am: Build incremental-dump
4476         * Makefile.in: Regenerate.
4477         * incremental-dump.cc: New.
4478         * incremental.cc (Incremental_inputs_header_data,
4479         Incremental_inputs_entry_data): Move to incremental.h
4480         * incremental.h: (Incremental_inputs_header_data,
4481         Incremental_inputs_entry_data): Move from incremental.cc
4483 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4485         * incremental.cc (Incremental_inputs_header,
4486         Incremental_inputs_header_write, Incremental_inputs_entry,
4487         Incremental_inputs_entry_write): Add a typedef with the data type.
4489 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4491         * incremental.cc (Incremental_inputs_header,
4492         Incremental_inputs_header_write, Incremental_inputs_entry,
4493         Incremental_inputs_entry_write): Update comment about which
4494         type has the filed descriptions.
4496 2009-11-15  Doug Kwan  <dougkwan@google.com>
4498         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4499         (Arm_relocate_functions::arm_branch_common): Change method defintion
4500         in class definition to a method declaration and update list of formal
4501         parameters.
4502         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4503         Arm_relocation_functions::jump24): Adjust call to
4504         Arm_relocate_functions::arm_branch_common.  Update list of formal
4505         parameters.
4506         (Arm_relocate_functions::xpc25): New method definition.
4507         (Arm_relocate_functions::arm_branch_common): Move method defintion
4508         out from class definition.  Use stubs for mode-switching and extending
4509         branch ranges.
4510         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4511         specially.  Change code to enable use of stubs in ARM branches.
4513 2009-11-10  Doug Kwan  <dougkwan@google.com>
4515         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4516         in method declaration.
4517         (Target_arm::relocate_stub): New method declaration.
4518         (Target_arm::default_target): Change to return a pointer instead of
4519         a const reference.
4520         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4521         Target_arm::default_target.
4522         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4523         method definition.
4524         (Target_arm::relocate_section): Adjust view.
4525         (Target_arm::relocate_stub): New method definition.
4527 2009-11-10  Doug Kwan  <dougkwan@google.com>
4529         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4530         a format warning.
4531         * incremental.cc (open_incremental_binary): Initialized local
4532         variables to avoid warnings.
4533         * object.cc (make_elf_object): Ditto.
4534         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4535         a format warning.
4537 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4539         PR gold/10930
4540         * testsuite/plugin_test.c: Include "config.h".
4542 2009-11-09  Doug Kwan  <dougkwan@google.com>
4544         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4545         (arm_symbol_value): Remove.
4546         (Arm_relocate_functions::arm_branch_common,
4547         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4548         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4549         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4550         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4551         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4552         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4553         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4554         Arm_relocate_functions::thm_mobw_abs_nc,
4555         Arm_relocate_functions::thm_mov_abs,
4556         Arm_relocate_functions::movw_prel_nc,
4557         Arm_relocate_functions::thm_movt_abs,
4558         Arm_relocate_functions::movt_prel,
4559         Arm_relocate_functions::thm_movw_prel_nc,
4560         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4561         (Target_arm::Relocate::relocate): Only decompose address into two
4562         parts if relocation type uses the thumb-bit and pass the actual
4563         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4564         calls to methods in Arm_relocate_functions for this change.
4566 2009-11-08  Ian Lance Taylor  <iant@google.com>
4568         PR 10925
4569         * reloc.cc: Instantiate
4570         Sized_relobj::initialize_input_to_output_maps and
4571         Sized_relobj:free_input_to_output_maps.
4573 2009-11-06  Ian Lance Taylor  <iant@google.com>
4575         PR 10876
4576         * defstd.cc (in_segment): Set only_if_ref true for "end".
4578 2009-11-06  Doug Kwan  <dougkwan@google.com>
4580         * arm.cc (class Reloc_stub): Correct a comment.
4581         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4582         (Target_arm::scan_section_for_stubs): New method declaration.
4583         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4584         Change methods from private to protected.
4585         (Target_arm::do_may_relax): New method definition.
4586         (Target_arm::do_relax, Target_arm::group_sections,
4587         Target_arm::scan_reloc_for_stub,
4588         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4589         (Target_arm::arm_input_section_map_): New data member declaration.
4590         (Target_arm::scan_reloc_for_stub,
4591         Target_arm::scan_reloc_section_for_stubs,
4592         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4593         Target_arm::do_relax): New method definitions.
4595 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4597         * configure.ac: Check for (struct stat)::st_mtim
4598         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4599         * config.in: Regenerate.
4600         * configure: Regenerate.
4602 2009-11-05  Ian Lance Taylor  <iant@google.com>
4604         PR 10910
4605         * output.cc (Output_segment::add_output_section): Add missing
4606         return statement.
4608 2009-11-04  Ian Lance Taylor  <iant@google.com>
4610         PR 10880
4611         * object.h (class Object): Add is_needed and set_is_needed
4612         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4613         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4614         defined in a dynamic object and referenced by a regular object,
4615         set is_needed for the dynamic object.
4616         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4617         if the file is marked with as_needed and it is not needed.
4619 2009-11-04  Ian Lance Taylor  <iant@google.com>
4621         PR 10887
4622         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4623         tags if data is discarded by linker script.
4624         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4625         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4626         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4627         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4629 2009-11-04  Ian Lance Taylor  <iant@google.com>
4631         * layout.cc (Layout::get_output_section): Add is_interp and
4632         is_dynamic_linker_section parameters.  Change all callers.
4633         (Layout::choose_output_section): Likewise.
4634         (Layout::make_output_section): Likewise.
4635         (Layout::add_output_section_data): Add is_dynamic_linker_section
4636         parameter.  Change all callers.
4637         * layout.h (class Layout): Update declarations.
4638         * output.h (class Output_section): Add is_interp, set_is_interp,
4639         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4640         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4641         generate_code_fills_at_write_ to a bitfield.
4642         * output.cc (Output_section::Output_sections): Initialize new
4643         fields.
4644         (Output_segment::add_output_section): Add do_sort parameter.
4645         Change all callers.
4647 2009-11-03  Ian Lance Taylor  <iant@google.com>
4649         PR 10860
4650         * options.h (class General_options): Add --warn-common.
4651         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4652         merging two common symbols.
4653         (Symbol_table::should_override): Handle --warn-common when merging
4654         a common symbol with a defined symbol.  Use report_resolve_problem
4655         for multiple definitions.
4656         (Symbol_table::report_resolve_problem): New function.
4657         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4659 2009-11-03  Doug Kwan  <dougkwan@google.com>
4661         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4662         stub_factory_.
4663         (Target_arm::stub_factory): New method definition.
4664         (Target_arm::new_arm_input_section,
4665         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4666         Target_arm::reloc_uses_thumb_bit): New method declarations.
4667         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4668         New type definitions.
4669         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4670         member declarations.
4671         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4672         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4673         New method definitions.
4675 2009-11-03  Ian Lance Taylor  <iant@google.com>
4677         * options.h (class General_options): Add --warn_constructors.
4679 2009-11-03  Ian Lance Taylor  <iant@google.com>
4681         PR 10893
4682         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4683         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4685 2009-11-03  Ian Lance Taylor  <iant@google.com>
4687         PR 10895
4688         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4689         --msgid-bugs-address.
4690         (install-pdf): New target.
4691         (install-data_yes): Look up one directory to find mkinstalldirs.
4693 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4695         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4696         tree.
4698 2009-10-30  Doug Kwan  <dougkwan@google.com>
4700         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4702 2009-10-30  Doug Kwan  <dougkwan@google.com>
4704         * arm.cc (Stub_addend_reader): New struct template definition
4705         and partial specializations.
4706         (Stub_addend_reader::operator()): New method definition for a
4707         partially specialized template.
4709 2009-10-30  Doug Kwan  <dougkwan@google.com>
4711         * arm.cc (Arm_relobj::processor_specific_flags): New method
4712         definition.
4713         (Arm_relobj::do_read_symbols): New method declaration.
4714         (Arm_relobj::processor_specific_flags_): New data member declaration.
4715         (Arm_dynobj): New class definition.
4716         (Target_arm::do_finalize_sections): Add input_objects parameter.
4717         (Target_arm::do_adjust_elf_header): New method declaration.
4718         (Target_arm::are_eabi_versions_compatible,
4719         (Target_arm::merge_processor_specific_flags): New method declaration.
4720         (Target_arm::do_make_elf_object): New overloaded method definitions
4721         and declaration.
4722         (Arm_relobj::do_read_symbols): New method definition.
4723         (Arm_dynobj::do_read_symbols): Ditto.
4724         (Target_arm::do_finalize_sections): Add input_objects parameters.
4725         Merge processor-specific flags from all input objects.
4726         (Target_arm::are_eabi_versions_compatible,
4727         Target_arm::merge_processor_specific_flags,
4728         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4729         New method definitions.
4730         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4731         Input_objects pointer type parameter.
4732         * layout.cc (Layout::finalize): Pass input objects to target's.
4733         finalize_sections function.
4734         * output.cc (Output_file_header::do_sized_write): Set ELF file
4735         header's processor-specific flags.
4736         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4737         Input_objects pointer type parameter.
4738         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4739         * target.h (Input_objects): New forward class declaration.
4740         (Target::processor_specific_flags,
4741         Target::are_processor_specific_flags_sect): New method definitions.
4742         (Target::finalize_sections): Add input_objects parameter.
4743         (Target::Target): Initialize processor_specific_flags_ and
4744         are_processor_specific_flags_set_.
4745         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4746         parameter.
4747         (Target::set_processor_specific_flags): New method definition.
4748         (Target::processor_specific_flags_,
4749         Target::are_processor_specific_flags_set_): New data member
4750         declarations.
4751         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4752         Input_objects pointer type parameter.
4754 2009-10-30  Doug Kwan  <dougkwan@google.com>
4756         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4758 2009-10-28  Ian Lance Taylor  <iant@google.com>
4760         * object.h (class Relobj): Drop options parameter from
4761         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4762         do_scan_relocs, do_relocate.  Change all callers.
4763         (class Sized_relobj): Drop options parameters from
4764         do_gc_process_relocs, do_scan_relocs, do_relocate,
4765         do_relocate_sections, relocate_sections, emit_relocs_scan,
4766         emit_relocs_scan_reltype.  Change all callers.
4767         (struct Relocate_info): Remove options field and all references to
4768         it.
4769         * reloc.h (class Read_relocs): Remove options constructor
4770         parameter and options_ field.  Change all callers.
4771         (class Gc_process_relocs, class Scan_relocs): Likewise.
4772         (class Relocate_task): Likewise.
4773         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4774         all callers.
4775         (scan_relocatable_relocs): Likewise.
4776         * target.h (class Sized_target): Remove options parameter from
4777         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4778         all callers.
4779         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4780         callers.
4781         * arm.cc: Update functions to remove options parameters.
4782         * i386.cc: Likewise.
4783         * powerpc.cc: Likewise.
4784         * sparc.cc: Likewise.
4785         * x86_64.cc: Likewise.
4786         * testsuite/testfile.cc: Likewise.
4788 2009-10-28  Doug Kwan  <dougkwan@google.com>
4790         * arm.cc (Arm_relobj): New class definition.
4791         (Arm_relobj::scan_sections_for_stubs,
4792         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4793         New method definitions.
4795 2009-10-28  Cary Coutant  <ccoutant@google.com>
4797         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4798         (Plugin::cleanup_done_): New member.
4799         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4800         (Plugin_manager::cleanup_done_): Remove.
4801         (Plugin_manager::add_input_file): Edit error message.
4802         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4803         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4805 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4807         * fileread.cc: (File_read::View::~View): Use the new
4808         data_ownership_ filed.
4809         (File_read::~File_read): Dispose the new whole_file_view_.
4810         (File_read::open): Mmap the whole file if needed.
4811         (File_read::open): Use whole_file_view_ instead of contents_.
4812         (File_read::find_view): Use whole_file_view_ if applicable.
4813         (File_read::do_read): Use whole_file_view_ instead of contents_.
4814         (File_read::make_view): Use whole_file_view_ instead of contents_,
4815         update File_read::View::View call.
4816         (File_read::find_or_make_view): Update File_read::View::View
4817         call.
4818         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4819         remove contents_
4820         (File_read::View::Data_ownership): New enum.
4821         (File_read::View::View): Replace bool mapped_ with Data_ownership
4822         argument.
4823         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4824         (File_read::View::data_ownership_): New field.
4825         (File_read::contents_): Remove (replaced by whole_file_view_).
4826         (File_read::whole_file_view_): New field.
4827         * options.h (class General_options): Add --keep-files-mapped.
4829 2009-10-27  Cary Coutant  <ccoutant@google.com>
4831         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4832         * testsuite/Makefile.am (plugin_test_5): New test case.
4833         * testsuite/Makefile.in: Regenerate.
4835 2009-10-25  Doug Kwan  <dougkwan@google.com>
4837         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4838         from private to protected to allow access by child class.
4839         (Sized_relobj::do_relocate_sections): New method declaration.
4840         (Sized_relobj::relocate_sections): Virtualize.
4841         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4842         Sized_relobj::relocate_sections.  Instantiate template explicitly
4843         for different target sizes and endianity.
4845 2009-10-24  Doug Kwan  <dougkwan@google.com>
4847         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4848         (Arm_input_section::as_arm_input_section): New method.
4849         (Arm_output_section): New class definition.
4850         (Arm_output_section::create_stub_group,
4851         Arm_output_section::group_sections): New method definitions.
4853 2009-10-22  Doug Kwan  <dougkwan@google.com>
4855         * arm.cc (Arm_input_section): New class definition.
4856         (Arm_input_section::init, Arm_input_section:do_write,
4857         Arm_input_section::set_final_data_size,
4858         Arm_input_section::do_reset_address_and_file_offset): New method
4859         definitions.
4861 2009-10-21  Doug Kwan  <dougkwan@google.com>
4863         * arm.cc (Stub_table, Arm_input_section): New forward class
4864         declarations.
4865         (Stub_table): New class defintion.
4866         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4867         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4868         New method definition.
4870 2009-10-21  Doug Kwan  <dougkwan@google.com>
4872         * arm.cc: Update copyright comments.
4873         (Target_arm): New forward class template declaration.
4874         (Arm_address): New type.
4875         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4876         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4877         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4878         constants.
4879         (Insn_template): Same.
4880         (DEF_STUBS): New macro.
4881         (Stub_type): New enum type.
4882         (Stub_template): New class definition.
4883         (Stub): Same.
4884         (Reloc_stub): Same.
4885         (Stub_factory): Same.
4886         (Target_arm::Target_arm): Initialize may_use_blx_ and
4887         should_force_pic_veneer_.
4888         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4889         Target_arm::should_force_pic_veneer,
4890         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4891         Target_arm::using_thumb_only, Target_arm:;default_target): New
4892         method defintions.
4893         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4894         New data member declarations.
4895         (Insn_template::size, Insn_template::alignment): New method defintions.
4896         (Stub_template::Stub_template): New method definition.
4897         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4898         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4899         (Stub_factory::Stub_factory): New method definition.
4900         * gold.h (string_hash): New template.
4901         * output.h (Input_section_specifier::hash_value): Use
4902         gold::string_hash.
4903         (Input_section_specifier::string_hash): Remove.
4904         * stringpool.cc (Stringpool_template::string_hash): Use
4905         gold::string_hash.
4907 2009-10-20  Doug Kwan  <dougkwan@google.com>
4909         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4910         symbols of relaxed input sections.
4911         * output.h (Output_section::find_relaxed_input_section): Make
4912         method public.
4914 2009-10-16  Doug Kwan  <dougkwan@google.com>
4916         * dynobj.cc (Versions::Versions): Initialize version_script_.
4917         Only insert base version symbol definition for a shared object
4918         if version script defines any version versions.
4919         (Versions::define_base_version): New method definition.
4920         (Versions::add_def): Check that base version is not needed.
4921         (Versions::add_need): Define base version lazily.
4922         * dynobj.h (Versions::define_base_version): New method declaration.
4923         (Versions::needs_base_version_): New data member declaration.
4924         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4925         (check_DATA): Add no_version_test.stdout.
4926         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4927         New make rules.
4928         * testsuite/Makefile.in: Regenerate.
4929         * testsuite/no_version_test.c: New file.
4930         * testsuite/no_version_test.sh: Ditto.
4932 2009-10-16  Doug Kwan  <dougkwan@google.com>
4934         * expression.cc (class Segment_start_expression): New class definition.
4935         (Segment_start_expression::value): New method definition.
4936         (script_exp_function_segment_start): Return a new
4937         Segment_start_expression.
4938         * gold/script-c.h (script_saw_segment_start_expression): New function
4939         prototype.
4940         * script-sections.cc (Script_sections::Script_sections): Initialize
4941         SAW_SEGMENT_START_EXPRESSION_ to false.
4942         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4943         and -Tbbs options to specify section addresses if given in
4944         command line and no SEGMENT_START expression is seen in a script.
4945         * script-sections.h (Script_sections::saw_segment_start_expression,
4946         Script_sections::set_saw_segment_start_expression): New method
4947         definition.
4948         (Script_sections::saw_segment_start_expression_): New data member
4949         declaration.
4950         * script.cc (script_saw_segment_start_expression): New function.
4951         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4952         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4953         script_test_7.sh and script_test_8.sh.
4954         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4955         script_test_8.stdout.
4956         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4957         (script_test_6, script_test_6.stdout, script_test_7,
4958         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4959         * Makefile.in: Regenerate.
4960         * testsuite/script_test_6.sh: New file.
4961         * testsuite/script_test_6.t: Same.
4962         * testsuite/script_test_7.sh: Same.
4963         * testsuite/script_test_7.t: Same.
4964         * testsuite/script_test_8.sh: Same.
4966 2009-10-16  Doug Kwan  <dougkwan@google.com>
4968         * output.cc (Output_segment::set_section_list_address): Cast
4969         expressions to unsigned long long type to avoid format warnings.
4971 2009-10-15  Ian Lance Taylor  <iant@google.com>
4973         * script.cc (Script_options::add_symbol_assignment): Always add a
4974         dot assignment to script_sections_.
4975         * script-sections.cc (Script_sections::add_dot_assignment):
4976         Initialize if necessary.
4978         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4979         program headers with no load segment if there is a linker script.
4981         * layout.cc (Layout::set_segment_offsets): Align the file offset
4982         to the segment aligment for -N or -n with no load segment.
4983         * output.cc (Output_segment::add_output_section): Don't crash if
4984         the first section is a TLS section.
4985         (Output_segment::set_section_list_addresses): Print an error
4986         message if the address moves backward in a linker script.
4987         * script-sections.cc
4988         (Output_section_element_input::set_section_addresses): Don't
4989         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4990         (Orphan_output_section::set_section_addresses): Likewise.
4992 2009-10-15  Doug Kwan  <dougkwan@google.com>
4994         * layout.cc (Layout::finish_dynamic_section): Generate tags
4995         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4996         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4997         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4999 2009-10-14  Ian Lance Taylor  <iant@google.com>
5001         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5002         fields.
5003         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5004         data_shdr fields of relinfo.
5005         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5006         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5007         R_386_TLS_LDO_32, adjust based on section flags.
5008         (Target_i386::Relocate::fix_up_ldo): Remove.
5010 2009-10-13  Ian Lance Taylor  <iant@google.com>
5012         Add support for -pie.
5013         * options.h (class General_options): Add -pie and
5014         --pic-executable.
5015         (General_options::output_is_position_independent): Test -pie.
5016         (General_options::output_is_executable): Return true if not shared
5017         and not relocatable.
5018         (General_options::output_is_pie): Remove.
5019         * options.cc (General_options::finalize): Reject incompatible uses
5020         of -pie.
5021         * gold.cc (queue_middle_tasks): A -pie link is not static.
5022         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5023         * symtab.cc (Symbol::final_value_is_known): Return false if
5024         output_is_position_independent.
5025         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5026         output_is_position_independent.
5027         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5028         output_is_position_independent.
5029         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5030         output_is_position_independent.
5031         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5032         two_file_pie_test.
5033         (basic_pie_test.o, basic_pie_test): New targets.
5034         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5035         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5036         (two_file_pie_test): New target.
5037         * testsuite/Makefile.in: Rebuild.
5038         * README: Remove note saying that -pie is not supported.
5040 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5042         * options.h (class General_options): Add -init and -fini.
5043         * layout.cc (Layout::finish_dynamic_section): Emit
5044         given init and fini functions.
5046 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5048         * gc.h (gc_process_relocs): Check if icf is enabled using new
5049         function.
5050         * gold.cc (queue_initial_tasks): Likewise.
5051         (queue_middle_tasks): Likewise.
5052         * object.cc (do_layout): Likewise.
5053         * symtab.cc (is_section_folded): Likewise.
5054         * main.cc (main): Likewise.
5055         * reloc.cc (Read_relocs::run): Likewise.
5056         (Sized_relobj::do_scan_relocs): Likewise.
5057         * icf.cc (is_function_ctor_or_dtor): New function.
5058         (Icf::find_identical_sections): Check if function is ctor or dtor when
5059         safe icf is chosen.
5060         * options.h (General_options::icf): Change option to be an enum.
5061         (Icf_status): New enum.
5062         (icf_enabled): New method.
5063         (icf_safe_folding): New method.
5064         (set_icf_status): New method.
5065         (icf_status_): New variable.
5066         * (options.cc) (General_options::finalize): Set icf_status_.
5067         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5068         icf_test and icf_keep_unique_test to use the --icf enum flag.
5069         * testsuite/icf_safe_test.sh: New file.
5070         * testsuite/icf_safe_test.cc: New file.
5072 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5074         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5075         includes to gc.h and icf.h.
5076         * arm.cc: Include gc.h.
5077         * gold.cc: Likewise.
5078         * i386.cc: Likewise.
5079         * powerpc.cc: Likewise.
5080         * sparc.cc: Likewise.
5081         * x86_64.cc: Likewise.
5082         * gc.h: Include icf.h.
5084 2009-10-11  Ian Lance Taylor  <iant@google.com>
5086         * plugin.cc: Include "gold.h" before other header files.
5088 2009-10-10  Chris Demetriou  <cgd@google.com>
5090         * options.h (Input_file_argument::Input_file_type): New enum.
5091         (Input_file_argument::is_lib_): Replace with...
5092         (Input_file_argument::type_): New member.
5093         (Input_file_argument::Input_file_argument): Take Input_file_type
5094         'type' rather than boolean 'is_lib' as second argument.
5095         (Input_file_argument::is_lib): Use type_.
5096         (Input_file_argument::is_searched_file): New function.
5097         (Input_file_argument::may_need_search): Handle is_searched_file.
5098         * options.cc (General_options::parse_library): Support -l:filename.
5099         (General_options::parse_just_symbols): Update for Input_file_argument
5100         changes.
5101         (Command_line::process): Likewise.
5102         * archive.cc (Archive::get_file_and_offset): Likewise.
5103         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5104         * script.cc (read_script_file, script_add_file): Likewise.
5105         * fileread.cc (Input_file::Input_file): Likewise.
5106         (Input_file::will_search_for): Handle is_searched_file.
5107         (Input_file::open): Likewise.
5108         * readsyms.cc (Read_symbols::get_name): Likewise.
5109         * testsuite/Makefile.am (searched_file_test): New test.
5110         * testsuite/Makefile.in: Regenerate.
5111         * testsuite/searched_file_test.cc: New file.
5112         * testsuite/searched_file_test_lib.cc: New file.
5114 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5115             Ian Lance Taylor  <iant@google.com>
5117         * descriptor.cc: Include <cstdio> and "binary-io.h".
5118         (Descriptors::open): Open the files in binary mode always.
5119         * script.cc (Lex::get_token): Treat \r as whitespace.
5121 2009-10-09  Ian Lance Taylor  <iant@google.com>
5123         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5125 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5126             Ian Lance Taylor  <iant@google.com>
5128         * configure.ac: Check for readv function also.
5129         * fileread.cc (readv): Define if not HAVE_READV.
5130         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5131         does not exist.
5132         * config.in: Regenerate.
5133         * configure: Regenerate.
5135 2009-10-09  Doug Kwan  <dougkwan@google.com>
5137         * layout.cc (Layout::make_output_section): Call target hook to make
5138         ordinary output section.
5139         (Layout::finalize): Adjust parameter list of call the
5140         Target::may_relax().
5141         * layout.h (class Layout::section_list): New method.
5142         * merge.h (Output_merge_base::entsize): Change visibility to public.
5143         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5144         New methods.
5145         (Output_merge_string::do_is_string): New method.
5146         * object.cc (Sized_relobj::do_setup): renamed from
5147         Sized_relobj::set_up.
5148         * object.h (Sized_relobj::adjust_shndx,
5149         Sized_relobj::initializ_input_to_output_maps,
5150         Sized_relobj::free_input_to_output_maps): Change visibilities to
5151         protected.
5152         (Sized_relobj::setup): Virtualize.
5153         (Sized_relobj::do_setup): New method declaration.
5154         (Sized_relobj::invalidate_section_offset,
5155         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5156         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5157         * options.cc (parse_int): New function.
5158         * options.h (parse_int): New declaration.
5159         (DEFINE_int): New macro.
5160         (stub_group_size): New option.
5161         * output.cc (Output_section::Output_section): Initialize memebers
5162         merge_section_map_, merge_section_by_properties_map_,
5163         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5164         (Output_section::add_input_section): Handled deferred code-fill
5165         generation and remove an old comment.
5166         (Output_section::add_relaxed_input_section): New method definition.
5167         (Output_section::add_merge_input_section): Use merge section by
5168         properties map to speed to search.  Update merge section maps
5169         as appropriate.
5170         (Output_section::build_relaxation_map): New method definition.
5171         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5172         Same.
5173         (Output_section::relax_input_section): Renamed to
5174         Output_section::convert_input_sections_to_relaxed_sections and change
5175         interface to take a vector of pointers to relaxed sections.
5176         (Output_section::find_merge_section,
5177         Output_section::find_relaxed_input_section): New method definitions.
5178         (Output_section::is_input_address_mapped,
5179         Output_section::output_offset, Output_section::output_address):
5180         Use output section data maps to speed up searching.
5181         (Output_section::find_starting_output_address): Add comments.
5182         (Output_section::do_write,
5183         Output_section::write_to_postprocessing_buffer): Do code-fill
5184         generation as appropriate.
5185         (Output_section::get_input_sections): Invalidate relaxed input section
5186         map.
5187         (Output_section::restore_states): Adjust type of checkpoint .
5188         Invalidate relaxed input section map.
5189         * output.h (Output_merge_base): New class declaration.
5190         (Input_section_specifier): New class defintion.
5191         (class Output_relaxed_input_section) Change base class to
5192         Output_section_data_build.
5193         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5194         base class initializer.
5195         (Output_section::add_relaxed_input_section): New method declaration.
5196         (Output_section::Input_section): Change visibility to protected.
5197         (Output_section::Input_section::relobj,
5198         Output_section::Input_section::shndx): Handle relaxed input sections.
5199         Output_section::input_sections) Change visibility to protected.  Also
5200         define overload to return a non-const pointer.
5201         (Output_section::Merge_section_properties): New class defintion.
5202         (Output_section::Merge_section_by_properties_map,
5203         Output_section::Output_section_data_by_input_section_map,
5204         Output_section::Relaxation_map): New types.
5205         (Output_section::relax_input_section): Rename method to
5206         Output_section::convert_input_sections_to_relaxed_sections and change
5207         interface to take a vector of relaxed section pointers.
5208         (Output_section::find_merge_section,
5209         Output_section::find_relaxed_input_section,
5210         Output_section::build_relaxation_map,
5211         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5212         New method declarations.
5213         (Output_section::merge_section_map_
5214         Output_section::merge_section_by_properties_map_,
5215         Output_section::relaxed_input_section_map_,
5216         Output_section::is_relaxed_input_section_map_valid_,
5217         Output_section::generate_code_fills_at_write_): New data members.
5218         * script-sections.cc
5219         (Output_section_element_input::set_section_addresses): Call
5220         current_data_size and addralign methods of relaxed input sections.
5221         (Orphan_output_section::set_section_addresses): Call current_data_size
5222         and addralign methods of relaxed input sections.
5223         * symtab.cc (Symbol_table::compute_final_value): Extract template
5224         from the body of Symbol_table::sized_finalize_symbol.
5225         (Symbol_table::sized_finalized_symbol): Call
5226         Symbol_table::compute_final_value.
5227         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5228         (Symbol_table::compute_final_value): New templated method declaration.
5229         * target.cc (Target::do_make_output_section): New method defintion.
5230         * target.h (Target::make_output_section): New method declaration.
5231         (Target::relax): Add more parameters for input objects, symbol table
5232         and layout.  Adjust call to do_relax.
5233         (Target::do_make_output_section): New method declaration.
5234         (Target::do_relax): Add parameters for input objects, symbol table
5235         and layout.
5237 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5239         * pread.c: Include stdio.h.
5241 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5243         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5244         defined.
5246 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5248         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5249         Change read_shndx type to unsigned int.
5250         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5251         int.
5252         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5253         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5254         Change read_shndx type to unsigned int.
5255         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5256         int.
5257         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5258         * layout.cc (Layout::create_symtab_sections): Cast the result of
5259         local_symcount * symsize to off_t in the gold_assert.
5261 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5263         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5264         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5265         R_ARM_BASE_ABS.
5266         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5267         (Arm_relocate_functions::thm_abs5): New function.
5268         (Arm_relocate_functions::abs12): New function.
5269         (Arm_relocate_functions::abs16): New function.
5270         (Arm_relocate_functions::base_abs): New function.
5271         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5272         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5273         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5274         R_ARM_BASE_ABS.
5275         (Scan::global): Likewise.
5276         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5277         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5278         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5279         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5280         R_ARM_BASE_ABS.
5282 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5284         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5285         (Arm_relocate_functions::movt_prel): New function.
5286         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5287         (Arm_relocate_functions::thm_movt_prel): New function.
5288         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5289         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5290         (Scan::global, Relocate::relocate): Likewise.
5291         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5293 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5295         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5296         Incremental_checker.
5297         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5298         unsigned int.
5299         (class Incremental_inputs_header): New class.
5300         (Incremental_inputs_header_writer): Edit comment.
5301         (Incremental_inputs_entry): New class.
5302         (Incremental_inputs_entry_writer): Edit comment.
5303         (Sized_incremental_binary::do_find_incremental_inputs_section):
5304         Add *strtab_shndx parameter, fill it.
5305         (Sized_incremental_binary::do_check_inputs): New method.
5306         (Incremental_checker::can_incrementally_link_output_file): Use
5307         Sized_incremental_binary::check_inputs.
5308         (Incremental_inputs::report_command_line): Save command line in
5309         command_line_.
5310         * incremental.h:
5311         (Incremental_binary::find_incremental_inputs_section): New
5312         method.
5313         (Incremental_binary::do_find_incremental_inputs_section): Add
5314         strtab_shndx parameter.
5315         (Incremental_binary::do_check_inputs): New pure virtual method.
5316         (Sized_incremental_binary::do_check_inputs): Declare.
5317         (Incremental_checker::Incremental_checker): Add incremental_inputs
5318         parameter, use it to initialize incremental_inputs_.
5319         (Incremental_checker::incremental_inputs_): New field.
5320         (Incremental_checker::command_line): New method.
5321         (Incremental_checker::inputs): New method.
5322         (Incremental_checker::command_line_): New field.
5324 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5326         * incremental.cc: Include <cstdarg> and "target-select.h".
5327         (vexplain_no_incremental): New function.
5328         (explain_no_incremental): New function.
5329         (Incremental_binary::error): New method.
5330         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5331         method.
5332         (make_sized_incremental_binary): New function.
5333         (open_incremental_binary): New function.
5334         (can_incrementally_link_file): Add checks if output is ELF and has
5335         inputs section.
5336         * incremental.h: Include "elfcpp_file.h" and "output.h".
5337         (Incremental_binary): New class.
5338         (Sized_incremental_binary): New class.
5339         (open_incremental_binary): Declare.
5340         * object.cc (is_elf_object): Use
5341         elfcpp::Elf_recognizer::is_elf_file.
5342         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5343         * output.h (Output_file::filesize): New method.
5345 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5347         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5348         New function.
5349         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5350         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5351         function.
5352         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5353         function.
5354         (Arm_relocate_functions::movw_abs_nc): New function.
5355         (Arm_relocate_functions::movt_abs): New function.
5356         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5357         (Arm_relocate_functions::thm_movt_abs): New function.
5358         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5359         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5360         (Scan::global): Likewise.
5361         (Relocate::relocate): Likewise.
5362         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5364 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5366         * arm.cc (Arm_relocate_functions::got_prel) New function.
5367         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5368         (Relocate::relocate): Likewise.
5369         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5371 2009-10-06  Ian Lance Taylor  <iant@google.com>
5373         * options.h (class General_options): Define
5374         split_stack_adjust_size parameter.
5375         * object.h (class Object): Add uses_split_stack_ and
5376         has_no_split_stack_ fields.  Add uses_split_stack and
5377         has_no_split_stack accessor functions.  Declare
5378         handle_split_stack_section.
5379         (class Reloc_symbol_changes): Define.
5380         (class Sized_relobj): Define Function_offsets.  Declare
5381         split_stack_adjust, split_stack_adjust_reltype, and
5382         find_functions.
5383         * object.cc (Object::handle_split_stack_section): New function.
5384         (Sized_relobj::do_layout): Call handle_split_stack_section.
5385         * dynobj.cc (Sized_dynobj::do_layout): Call
5386         handle_split_stack_section.
5387         * reloc.cc (Sized_relobj::relocate_sections): Call
5388         split_stack_adjust for executable sections in split_stack
5389         objects.  Pass reloc_map to relocate_section.
5390         (Sized_relobj::split_stack_adjust): New function.
5391         (Sized_relobj::split_stack_adjust_reltype): New function.
5392         (Sized_relobj::find_functions): New function.
5393         * target-reloc.h: Include "object.h".
5394         (relocate_section): Add reloc_symbol_changes parameter.  Change
5395         all callers.
5396         * target.h (class Target): Add calls_non_split method.  Declare
5397         do_calls_non_split virtual method.  Declare match_view and
5398         set_view_to_nop.
5399         * target.cc: Include "elfcpp.h".
5400         (Target::do_calls_non_split): New function.
5401         (Target::match_view): New function.
5402         (Target::set_view_to_nop): New function.
5403         * gold.cc (queue_middle_tasks): Give an error if mixing
5404         split-stack and non-split-stack objects with -r.
5405         * i386.cc (Target_i386::relocate_section): Add
5406         reloc_symbol_changes parameter.
5407         (Target_i386::do_calls_non_split): New function.
5408         * x86_64.cc (Target_x86_64::relocate_section): Add
5409         reloc_symbol_changes parameter.
5410         (Target_x86_64::do_calls_non_split): New function.
5411         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5412         parameter.
5413         * powerpc.cc (Target_powerpc::relocate_section): Add
5414         reloc_symbol_changes parameter.
5415         * sparc.cc (Target_sparc::relocate_section): Add
5416         reloc_symbol_changes parameter.
5417         * configure.ac: Call AM_CONDITIONAL for the default target.
5418         * configure: Rebuild.
5419         * testsuite/Makefile.am (TEST_AS): New variable.
5420         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5421         (check_DATA): Add split_i386 and split_x86_64 files.
5422         (SPLIT_DEFSYMS): Define.
5423         (split_i386_[1234n].o): New targets.
5424         (split_i386_[124]): New targets.
5425         (split_i386_[1234r].stdout): New targets.
5426         (split_x86_64_[1234n].o): New targets.
5427         (split_x86_64_[124]): New targets.
5428         (split_x86_64_[1234r].stdout): New targets.
5429         (MOSTLYCLEANFILES): Add new executables.
5430         * testsuite/split_i386.sh: New file.
5431         * testsuite/split_x86_64.sh: New file.
5432         * testsuite/split_i386_1.s: New file.
5433         * testsuite/split_i386_2.s: New file.
5434         * testsuite/split_i386_3.s: New file.
5435         * testsuite/split_i386_4.s: New file.
5436         * testsuite/split_i386_n.s: New file.
5437         * testsuite/split_x86_64_1.s: New file.
5438         * testsuite/split_x86_64_2.s: New file.
5439         * testsuite/split_x86_64_3.s: New file.
5440         * testsuite/split_x86_64_4.s: New file.
5441         * testsuite/split_x86_64_n.s: New file.
5442         * testsuite/testfile.cc (Target_test): Update relocation_section
5443         function.
5444         * testsuite/Makefile.in: Rebuild.
5446 2009-10-06  Ian Lance Taylor  <iant@google.com>
5448         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5449         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5450         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5451         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5452         the address on ldo_addrs_.
5453         (Target_i386::Relocate::fix_up_ldo): New function.
5455 2009-10-06   Rafael Espindola  <espindola@google.com>
5457         * plugin.cc (add_input_library): New.
5458         (Plugin::load): Add add_input_library to tv.
5459         (Plugin_manager::add_input_file): Add the is_lib argument.
5460         (add_input_file): Update call to Plugin_manager::add_input_file.
5461         (add_input_library): New.
5462         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5464 2009-09-30  Doug Kwan  <dougkwan@google.com>
5466         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5467         symbol and call Symbol::may_need_copy_reloc to determine if
5468         a copy reloc is needed.
5469         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5470         nocopyreloc is given in command line.
5471         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5472         given in command line.
5473         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5474         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5475         of the removed Target_i386::may_need_copy_reloc.
5476         * options.h (copyreloc): New option with default value false.
5477         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5478         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5479         instead of the removed Target_powerpc::may_need_copy_reloc.
5480         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5481         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5482         instead of the removed Target_sparc::may_need_copy_reloc.
5483         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5484         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5485         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5486         instead of the removed Target_x86_64::may_need_copy_reloc.
5488 2009-09-30  Ian Lance Taylor  <iant@google.com>
5490         * object.h (class Object): Remove target_ field, and target,
5491         sized_target, and set_target methods.
5492         (Object::sized_target): Remove.
5493         (class Sized_relobj): Update declarations.  Remove sized_target.
5494         * object.cc (Sized_relobj::setup): Remove target parameter.
5495         Change all callers.
5496         (Input_objects::add_object): Don't do anything with the target.
5497         (make_elf_sized_object): Add punconfigured parameter.  Change all
5498         callers.  Set or test parameter target.
5499         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5500         Change all callers.
5501         * parameters.cc (Parameters::set_target): Change parameter type to
5502         be non-const.
5503         (Parameters::default_target): Remove.
5504         (set_parameters_target): Change parameter type to be non-const.
5505         (parameters_force_valid_target): New function.
5506         (parameters_clear_target): New function.
5507         * parameters.h (class Parameters): Update declarations.  Remove
5508         default_target method.  Add sized_target and clear_target
5509         methods.  Change target_ to be non-const.
5510         (set_parameters_target): Update declaration.
5511         (parameters_force_valid_target): Declare.
5512         (parameters_clear_target): Declare.
5513         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5514         as NULL if we aren't searching.
5515         (Add_symbols::run): Don't check for compatible target.
5516         * fileread.cc (Input_file::open_binary): Call
5517         parameters_force_valid_target.
5518         * gold.cc (queue_middle_tasks): Likewise.
5519         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5520         set_target on object.
5521         * dynobj.h (class Sized_dynobj): Update declarations.
5522         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5523         make_elf_object returns NULL.
5524         (Archive::include_member): Don't check whether object target is
5525         compatible.
5526         * output.cc (Output_section::add_input_section): Get target from
5527         parameters.
5528         (Output_section::relax_input_section): Likewise.
5529         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5530         parameters.
5531         (Sized_relobj::do_scan_relocs): Likewise.
5532         (Sized_relobj::relocate_sections): Likewise.
5533         * resolve.cc (Symbol_table::resolve): Likewise.
5534         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5535         parameter.  Change all callers.
5536         (Symbol_table::add_from_object): Get target from parameters.
5537         (Symbol_table::add_from_relobj): Don't check object target.
5538         (Symbol_table::add_from_dynobj): Likewise.
5539         (Symbol_table::define_special_symbol): Get target from
5540         parameters.
5541         * symtab.h (class Symbol_table): Update declaration.
5542         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5543         parameter.  Change all callers.  Clear parameter target.
5544         (Binary_test): Test target here.
5545         * testsuite/object_unittest.cc (gold_testsuite): Remove
5546         target_test_pointer parameter.  Change all callers.
5547         (Object_test): Test target here.
5549 2009-09-26  Ian Lance Taylor  <iant@google.com>
5551         * testsuite/initpri1.c: Don't try to use constructor priorities if
5552         compiling with gcc before 4.3.
5554 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5556         * testsuite/retain_symbols_file_test.sh (check_present): Change
5557         output file name to retain_symbols_file_test.stdout.
5558         (check_absent): Likewise.
5560 2009-09-18  Craig Silverstein  <csilvers@google.com>
5562         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5563         * options.cc: Include <cerrno> and <fstream>.
5564         (General_options::finalize): Parse -retain-symbols-file tag.
5565         * options.h: New flag.
5566         (General_options): New method should_retain_symbol, new
5567         variable symbols_to_retain.
5568         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5569         should_retain_symbol map.
5570         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5571         * testsuite/Makefile.in: Regenerate.
5572         * testsuite/retain_symbols_file_test.sh: New file.
5574 2009-09-18  Nick Clifton  <nickc@redhat.com>
5576         * po/es.po: Updated Spanish translation.
5578 2009-09-17  Doug Kwan  <dougkwan@google.com>
5580         * debug.h (DEBUG_RELAXATION): New constant.
5581         (DEBUG_ALL): Add DEBUG_RELAXATION.
5582         (debug_string_to_enum): Add relaxation debug option.
5583         * layout.cc
5584         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5585         Layout::Relaxation_debug_check::read_sections,
5586         Layout::Relaxation_debug_check::read_sections): New method definitions.
5587         (Layout::Layout): Initialize data members
5588         record_output_section_data_from_scrips_,
5589         script_output_section_data_list_ and relaxation_debug_check_.
5590         (Layout::save_segments, Layout::restore_segments,
5591         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5592         Layout::relaxation_loop_body): New method definitions.
5593         (Layout::finalize): Support relaxation.  Move section layout code to
5594         Layout::relaxation_loop_body.
5595         (Layout::set_asection_address_from_script): Move code for orphan
5596         section placement out.
5597         (Layout::place_orphan_sections_in_script): New method definition.
5598         * layout.h (Output_segment_headers, Output_file_header):
5599         New forward class declarations.
5600         (Layout::~Layout): Define.
5601         (Layout::new_output_section_data_from_script): New method definition.
5602         (Layout::place_orphan_sections_in_script): New method declaration.
5603         (Layout::Segment_states): New type declaration.
5604         (Layout::save_segments, Layout::restore_segments,
5605         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5606         Layout::relaxation_loop_body): New method declarations.
5607         (Layout::Output_section_data_list): New type declaration.
5608         (Layout::Relaxation_debug_check): New class definition.
5609         (Layout::record_output_section_data_from_script_,
5610         Layout::script_output_section_data_list_, Layout::segment_states_,
5611         Layout::relaxation_debug_check_): New data members.
5612         * output.cc: (Output_section_headers::do_size): New method definition.
5613         (Output_section_headers::Output_section_headers): Move size
5614         computation to Output_section_headers::do_size.
5615         (Output_segment_headers::do_size): New method definition.
5616         (Output_file_header::Output_file_header): Move size computation to
5617         Output_file_header::do_size and call it.
5618         (Output_file_header::do_size): New method definition.
5619         (Output_data_group::Output_data_group): Adjust call to
5620         Output_section_data.
5621         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5622         (Output_symtab_xindex::do_write): Add array bound check.
5623         (Output_section::Input_section::print_to_mapfile): Handle
5624         RELAXED_INPUT_SECTION_CODE.
5625         (Output_section::Output_section): Initialize data member checkpoint_.
5626         (Output_section::~Output_section): Delete checkpoint object pointed
5627         by checkpoint_.
5628         (Output_section::add_input_section): Always add an Input_section if
5629         relaxing.
5630         (Output_section::add_merge_input_section): Add assert.
5631         (Output_section::relax_input_section): New method definition.
5632         (Output_section::set_final_data_size): Set load address to zero for
5633         an unallocated section.
5634         (Output_section::do_address_and_file_offset_have_reset_values):
5635         New method definition.
5636         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5637         Handle relaxed input section.
5638         (Output_section::sort_attached_input_sections): Checkpoint input
5639         section list lazily.
5640         (Output_section::get_input_sections): Change type of input_sections to
5641         list of Simple_input_section pointers.  Checkpoint input section list
5642         lazily.  Also handle relaxed input sections.
5643         (Output_section::add_input_section_for_script): Take a reference to
5644         a Simple_input_section object instead of Relobj pointer and section
5645         index as parameter.  Handle relaxed input sections.
5646         (Output_section::save_states, Output_section::restore_states): New
5647         method definitions.
5648         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5649         (Output_data::is_data_size_fixed): New method definition.
5650         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5651         if it is fixed.
5652         (Output_data::address_and_file_offset_have_reset_values): New method
5653         definition.
5654         (Output_data::do_address_and_file_offset_have_reset_values): New method
5655         definition.
5656         (Output_data::set_data_size): Check that data size is not fixed.
5657         (Output_data::fix_data_size): New method definition.
5658         (Output_data::is_data_size_fixed_): New data member.
5659         (Output_section_headers::set_final_data_size): New method definition.
5660         (Output_section_headers::do_size): New method declaration.
5661         (Output_segment_headers::set_final_data_size): New method definition.
5662         (Output_segment_headers::do_size): New method declaration.
5663         (Output_file_header::set_final_data_size)::New method definition.
5664         (Output_file_header::do_size)::New method declaration.
5665         (Output_section_data::Output_section_data): Add new parameter
5666         is_data_size_fixed and use it to fix data size.
5667         (Output_data_const::Output_data_const): Adjust call to base class
5668         constructor and fix data size.
5669         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5670         base class constructor and fix data size.
5671         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5672         base class constructor and fix data size.
5673         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5674         class constructor and fix data size.
5675         (Output_data_group::set_final_data_size): New method definition.
5676         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5677         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5678         class constructor and fix data size.
5679         (Output_relaxed_input_section): New class definition.
5680         (Output_section::Simple_input_section): New class definition.
5681         (Output_section::get_input_sections): Adjust parameter list.
5682         (Output_section::add_input_section_for_script): Same.
5683         (Output_section::save_states, Output_section::restore_states,
5684         Output_section::do_address_and_file_offset_have_reset_values,
5685         (Output_section::Input_section::Input_section): Handle
5686         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5687         Output_relaxed_input_section.
5688         (Output_section::Input_section::is_input_section,
5689         Output_section::Input_section::set_output_section): Handle relaxed
5690         input section.
5691         (Output_section::Input_section::is_relaxed_input_section,
5692         Output_section::Input_section::output_section_data,
5693         Output_section::Input_section::relaxed_input_section): New method
5694         definitions.
5695         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5696         value.
5697         (Output_section::Input_section::u1_): Update comments.
5698         (Output_section::Input_section::u2_): Add new union member poris.
5699         (Output_section::Checkpoint_output_section): New classs definition.
5700         (Output_section::relax_input_section): New method declaration.
5701         (Output_section::checkpoint_): New data member.
5702         (Output_segment): Update comments.
5703         (Output_segment::Output_segment): Un-privatize copy constructor.
5704         (Output_segment::operator=): Un-privatize.
5705         * script-sections.cc (Output_section_element::Input_section_list):
5706         Change element type to Output_section::Simple_input_section.
5707         (Output_section_element_dot_assignment::set_section_addresses):
5708         Register output section data for relaxation clean up.
5709         (Output_data_exression::Output_data_expression): Adjust call to base
5710         constructor to fix data size.
5711         (Output_section_element_data::set_section_addresses): Register
5712         Output_data_expression object for relaxation clean up.
5713         (struct Input_section_info): Replace Relobj pointer and section index
5714         pair with Output_section::Simple_input_section and Convert struct to a
5715         class.
5716         (Input_section_sorter::operator()): Adjust access to
5717         Input_section_info data member to use accessors.
5718         (Output_section_element_input::set_section_addresses): Use layout
5719         parameter.  Adjust code to use Output_section::Simple_input_section
5720         and Input_secction_info classes.  Register filler for relaxation
5721         clean up.
5722         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5723         and section index pair with Output_section::Simple_input_section
5724         class.  Adjust code accordingly.
5725         (Phdrs_element::release_segment): New method definition.
5726         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5727         segment list.
5728         (Script_sections::release_segments): New method definition.
5729         * gold/script-sections.h (Script_sections::release_segments): New
5730         method declaration.
5731         * gold/target.h (Target::may_relax, Target::relax,
5732         Target::do_may_relax, Target::do_relax): New method definitions.
5734 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5736         * arm.cc (has_signed_unsigned_overflow): New function.
5737         (Arm_relocate_functions::abs8): New function.
5738         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5739         (Target_arm::Scan::global): Likewise.
5740         (Target_arm::relocate::relocate): Likewise.
5741         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5742         Likewise.
5744 2009-09-16  Cary Coutant  <ccoutant@google.com>
5746         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5747         * testsuite/Makefile.in: Regenerate.
5749 2009-09-11  Nick Clifton  <nickc@redhat.com>
5751         * po/gold.pot: Updated by the Translation project.
5753 2009-09-08  Cary Coutant  <ccoutant@google.com>
5755         * output.cc (Output_file::open): Add execute permission to empty file.
5756         * testsuite/Makefile.am (permission_test): New test.
5757         * testsuite/Makefile.in: Regenerate.
5759 2009-09-02  Ian Lance Taylor  <iant@google.com>
5761         * output.cc (Output_file::resize): Call map_no_anonymous rather
5762         than map.
5764 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5766         * gold.cc: Include "incremental.h".
5767         (queue_initial_tasks): Call Incremental_checker methods.
5768         * incremental.cc: Include "output.h".
5769         (Incremental_checker::can_incrementally_link_output_file): New
5770         method.
5771         * incremental.h (Incremental_checker): New class.
5773         * output.cc (Output_file::open_for_modification): New method.
5774         (Output_file::map_anonymous): Changed return type to bool.  Record
5775         map in base_ field.
5776         (Output_file::map_no_anonymous): New method, broken out of map.
5777         (Output_file::map): Use map_no_anonymous and map_anonymous.
5778         * output.h (class Output_file): Update declarations.
5780 2009-08-24  Cary Coutant  <ccoutant@google.com>
5782         * options.h (Command_line::Pre_options): New class.
5783         (Command_line::pre_options): New member.
5784         * options.cc (gold::options::ready_to_register): New variable.
5785         (One_option::register_option): Do nothing if not registering options.
5786         Assert if same short option registered twice.
5787         (General_options::General_options): Turn off option registration when
5788         done constructing.
5789         (Command_line::Pre_options::Pre_options): New constructor.
5791 2009-08-24  Cary Coutant  <ccoutant@google.com>
5793         * options.h (General_options::no_keep_memory): Remove incorrect
5794         short option.
5796 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5798         * Makefile.am (am__skiplex, am__skipyacc): New.
5799         * Makefile.in: Regenerate.
5801 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5803         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5804         (INCLUDES): ... this.
5805         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5806         (AM_CPPFLAGS): Renamed from ...
5807         (INCLUDE): ... this.
5808         * Makefile.in, testsuite/Makefile.in: Regenerate.
5810         * Makefile.in: Regenerate.
5811         * aclocal.m4: Likewise.
5812         * config.in: Likewise.
5813         * configure: Likewise.
5814         * testsuite/Makefile.in: Likewise.
5816         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5817         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5818         * Makefile.in: Regenerate.
5819         * testsuite/Makefile.in: Regenerate.
5821 2009-08-19  Cary Coutant  <ccoutant@google.com>
5823         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5824         symbols in shared libraries overridden by hidden or internal symbols
5825         in the main program.
5827 2009-08-19  Chris Demetriou  <cgd@google.com>
5829         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5830         checking source file names in error messages.
5832 2009-08-18  Doug Kwan  <dougkwan@google.com>
5834         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5835         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5836         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5837         an elfcpp::Ehdr as parameter.
5838         * object.cc (Object::set_target): Remove the version that looks up
5839         a target and sets it.
5840         (Sized_relobj::setup): Take a Target object instead of
5841         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5842         (make_elf_sized_object): Find target and ask target to
5843         make an ELF object.
5844         * object.h: (Object::set_target): Remove the version that looks up
5845         a target and sets it.
5846         (Sized_relobj::setup): Take a Target object instead of
5847         an elfcpp:Ehdr as parameter.
5848         * target.cc: Include dynobj.h.
5849         (Target::do_make_elf_object_implementation): New.
5850         (Target::do_make_elf_object): New.
5851         * target.h (Target::make_elf_object): New template declaration.
5852         (Target::do_make_elf_object): New method declarations.
5853         (Target::do_make_elf_object_implementation): New template declaration.
5855 2009-08-14  Ian Lance Taylor  <iant@google.com>
5857         * gold.h (FUNCTION_NAME): Define.
5858         (gold_unreachable): Use FUNCTION_NAME.
5860 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5862         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5863         symbol in the --keep-unique list is not found.
5865 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5867         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5868         been maked as --keep-unique.
5869         (Icf::unfold_section): New function.
5870         * icf.h (Icf::unfold_section): New function.
5871         * options.h (General_options::keep_unique): New option.
5872         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5873         * testsuite/Makefile.in: Regenerate.
5874         * testsuite/icf_keep_unique_test.sh: New file.
5875         * testsuite/icf_keep_unique_test.cc: New file.
5877 2009-08-12  Cary Coutant  <ccoutant@google.com>
5879         PR 10471
5880         * resolve.cc (Symbol_table::resolve): Check for references from
5881         dynamic objects to hidden and internal symbols.
5882         * testsuite/Makefile.am (hidden_test.sh): New test.
5883         * testsuite/Makefile.in: Regenerate.
5884         * testsuite/hidden_test.sh: New script.
5885         * testsuite/hidden_test_1.c: New test source.
5886         * testsuite/hidden_test_main.c: New test source.
5888 2009-08-11  Doug Kwan  <dougkwan@google.com>
5890         * arm.cc: Update comments.
5891         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5892         segment to locate the .ARM.exidx section if present.
5894 2009-08-09  Doug Kwan  <dougkwan@google.com>
5896         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5897         patch.
5899 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5900         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5901         compiler warnings.
5903 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5905         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5906         valid tls_segment only for non-debug-section relocations.
5907         * testsuite/Makefile.am: Add gc_tls_test.
5908         * testsuite/Makefile.in: Regenerate.
5909         * testsuite/gc_tls_test.cc: New file.
5910         * testsuite/gc_tls_test.sh: New file.
5912 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5914         * icf.cc: New file.
5915         * icf.h: New file.
5916         * Makefile.am (CCFILES): Add icf.cc.
5917         (HFILES): Add icf.h
5918         * Makefile.in: Regenerate.
5919         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5920         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5921         section, symbol and addend information for the relocs.
5922         * gold.cc (queue_middle_tasks): Call identical code folding.
5923         * gold.h: Add defines for multimap.
5924         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5925         to the call of finalize_local_symbols.
5926         * main.cc (main): Create object of class Icf.
5927         * object.cc (Sized_relobj::do_layout): Allow this function to be
5928         called twice during icf.
5929         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5930         to sections marked as identical by icf.
5931         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5932         when available.
5933         (Sized_relobj::do_section_entsize): New function.
5934         * object.h (Object::section_entsize): New function.
5935         (Object::do_section_entsize): New pure virtual function.
5936         (Relobj::finalize_local_symbols): Add new parameter.
5937         (Relobj::do_section_entsize): New function.
5938         * options.h (General_options::icf): New option.
5939         (General_options::icf_iterations): New option.
5940         (General_options::print_icf_sections): New option.
5941         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5942         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5943         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5944         icf.
5945         * symtab.cc (Symbol_table::is_section_folded): New function.
5946         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5947         to sections marked as identical by icf.
5948         * symtab.h (Symbol_table::set_icf): New function.
5949         (Symbol_table::icf): New function.
5950         (Symbol_table::is_section_folded): New function.
5951         (Symbol_table::icf_): New data member.
5952         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5953         * testsuite/Makefile.am: Add commands to build icf_test.
5954         * testsuite/Makefile.in: Regenerate.
5955         * testsuite/icf_test.sh: New file.
5956         * testsuite/icf_test.cc: New file.
5958 2009-07-24  Chris Demetriou  <cgd@google.com>
5960         * layout.cc (is_compressible_debug_section): Fix incorrect
5961         comment about compressed section names.
5963 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5965         PR 10419
5966         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5968 2009-07-16  Ian Lance Taylor  <iant@google.com>
5970         PR 10400
5971         * layout.h: #include <map>.
5972         (class Kept_section): Change from struct to class.  Add accessors
5973         and setters.  Add section size to Comdat_group mapping.  Change
5974         Comdat_group to std::map.  Add is_comdat_ field.  Add
5975         linkonce_size field in union.
5976         (class Layout): Update declaration of find_or_add_kept_section.
5977         Don't declare find_kept_object.
5978         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5979         parameter.  Add object, shndx, is_comdat, and is_group_name
5980         parameters.  Change all callers.  Adjust for new Kept_section.
5981         (Layout::find_kept_object): Remove.
5982         * object.cc (Sized_relobj::include_section_group): Update use of
5983         Kept_section.  Rename secnum to shndx.  Only record
5984         Kept_comdat_section if sections are the same size.
5985         (Sized_relobj::include_linkonce_section): Update use of
5986         Kept_section.  Only record Kept_comdat_section if sections are the
5987         same size.  Set size of linkonce section.
5988         (Sized_relobj::map_to_kept_section): Update call to
5989         get_kept_comdat_section.
5990         * object.h (class Sized_relobj): Rename fields in
5991         Kept_comdat_section to drop trailing underscores; change object
5992         field to Relobj*.  Change Kept_comdat_section_table to store
5993         struct rather than pointer.
5994         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5995         Add kept_object and kept_shndx parameters.  Change all callers.
5996         (Sized_relobj::get_kept_comdat_section): Change return type to
5997         bool.  Add kept_object and kept_shndx parameters.  Change all
5998         callers.
5999         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6000         Layout::find_or_add_kept_section.
6002 2009-07-09  Ian Lance Taylor  <iant@google.com>
6004         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6005         Reserve space in the hash table.
6007 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6009         * fileread.cc (File_read::get_mtime): New method.
6010         * fileread.h (Timespec): New structure.
6011         (File_read::get_mtime): New method.
6012         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6013         Renamed from timestamp_nsec.
6014         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6015         Elf_Xword.
6016         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6017         timestamp_nsec.
6018         (Incremental_inputs::report_archive): Save mtime; style fix.
6019         (Incremental_inputs::report_obejct): Save mtime; style fix.
6020         (Incremental_inputs::report_script): Save mtime; style fix.
6021         (Incremental_inputs::finalize_inputs): Style fix.
6022         (Incremental_inputs::finalize): Style fix.
6023         (Incremental_inputs::create_input_section_data): Store inputs
6024         mtime.
6025         * incremental.h (Incremental_inputs::report_script): Add mtime
6026         argument.
6027         (Incremental_inputs::Input_info::Input_info): Intialize only one
6028         union member.
6029         (Incremental_inputs::Input_info::archive): Move to nameless
6030         union.
6031         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6032         (Incremental_inputs::Input_info::script): Move to nameless union.
6033         (Incremental_inputs::mtime): New field.
6034         * script.cc (read_input_script): Pass file mtime to
6035         Incremental_input.
6036         * script.h (Script_info::inputs): Style fix.
6038 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6040         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6041         instead of 32.
6043 2009-06-24  Ian Lance Taylor  <iant@google.com>
6045         PR 10156
6046         * layout.cc (Layout::choose_output_section): If we find an
6047         existing section, update the flags.
6048         (Layout::create_notes): New function, broken out of
6049         Layout::finalize.
6050         (Layout::finalize): Don't create note sections.
6051         (Layout::create_note): Don't crash if linker script discards
6052         section.
6053         (Layout::create_gold_note): Likewise.
6054         (Layout::create_build_id): Likewise.  Don't set
6055         after_input_sections on the section.
6056         (Layout::create_executable_stack_info): Remove target parameter.
6057         Change caller.
6058         * layout.h (class Layout): Declare create_notes.  Update
6059         declaration of create_executable_stack_info.
6060         * gold.cc (queue_middle_tasks): Call create_notes.
6061         * output.cc (Output_section::update_flags_for_input_section): Move
6062         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6063         invalid.
6064         * output.h (Output_data::mark_address_invalid): New function.
6065         (class Output_section): Only declare, not define,
6066         update_flags_for_input_section.  Remove set_flags.
6068 2009-06-24  Ian Lance Taylor  <iant@google.com>
6070         * script-sections.cc (Output_section_definition::
6071         set_section_addresses): Rename shadowing local load_address to
6072         laddr.
6074 2009-06-24  Ian Lance Taylor  <iant@google.com>
6076         PR 10244
6077         * reloc.cc (relocate_sections): Skip empty relocation sections.
6079 2009-06-23  Ian Lance Taylor  <iant@google.com>
6081         PR 10156
6082         * layout.cc (Layout::create_note): Use choose_output_section
6083         rather than make_output_section.
6085 2009-06-23  Ian Lance Taylor  <iant@google.com>
6087         PR 10237
6088         * options.cc (General_options::parse_V): Set printed_version_.
6089         (General_options::General_options): Initialize printed_version_.
6090         * options.h (class General_options): Add printed_version_ field.
6091         * gold.cc (queue_initial_tasks): If there are no input files,
6092         don't give a fatal error if we printed the version information.
6093         (queue_middle_tasks): If using -r with a shared object, give a
6094         fatal error rather than an ordinary error.
6096 2009-06-23  Ian Lance Taylor  <iant@google.com>
6098         PR 10219
6099         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6100         (Layout::make_output_section): Set have_stabstr_section_ if we see
6101         a .stab*str section.
6102         (Layout::finalize): Call link_stabs_sections.
6103         (Layout::link_stabs_sections): New file.
6104         * layout.h (class Layout): Add have_stabstr_section_ field.
6105         Declare link_stabs_sections.
6107 2009-06-23  Doug Kwan  <dougkwan@google.com>
6109         * Makefile.am (libgold_a_LIBADD): New.
6110         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6111         * Makefile.in: Regenerate.
6112         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6113         * configure: Regenerate.
6114         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6115         * fileread.cc: Include sys/state.h
6116         * gold.h: Declare memmem and strndup if found missing.
6117         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6119 2009-06-23  Ian Lance Taylor  <iant@google.com>
6121         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6122         * configure: Rebuild.
6124 2009-06-23  Ian Lance Taylor  <iant@google.com>
6126         PR 10147
6127         * object.cc (Object::section_contents): Don't try to get a view if
6128         the section has length zero.
6129         (Object::handle_gnu_warning_section): If the section is empty, use
6130         the name of the section as the warning.
6132 2009-06-23  Ian Lance Taylor  <iant@google.com>
6134         PR 10133
6135         * stringpool.h (class Stringpool_template): Add optimize_ field.
6136         (Stringpool_template::set_optimize): New function.
6137         * stringpool.cc (Stringpool_template::Stringpool_template):
6138         Initialize optimize_ field.
6139         (Stringpool_template::set_string_offsets): Test local optimize
6140         fild rather than parameter.
6141         * layout.cc (Layout::Layout): Call set_optimize on the section
6142         name stringpool.
6144 2009-06-22  Ian Lance Taylor  <iant@google.com>
6146         PR 10030
6147         * yyscript.y: Parse TARGET.
6148         * script.cc (script_set_target): New function.
6149         * script-c.h (script_set_target): Declare.
6150         * options.cc (General_options::string_to_object_format): Rename
6151         from string_to_object_format in anonymous namespace.  Change
6152         callers.
6153         * options.h (class General_options): Declare
6154         string_to_object_format.
6156 2009-06-22  Ian Lance Taylor  <iant@google.com>
6158         * script-sections.cc (Script_sections::create_segments): Don't put
6159         program headers in a PT_LOAD segment if -n or -N.
6161 2009-06-22  Ian Lance Taylor  <iant@google.com>
6163         PR 10141
6164         * options.h (class General_options): Add -z lazy and -z now.  Sort
6165         -z options into alphabetical order.
6166         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6168 2009-06-21  Ian Lance Taylor  <iant@google.com>
6170         * layout.cc (Layout::make_output_section): Call
6171         Target::new_output_section.
6172         (Layout::attach_allocated_section_to_segment): Put large section
6173         sections in a separate load segment with the large segment flag
6174         set.
6175         (Layout::segment_precedes): Sort large data segments after other
6176         load segments.
6177         (align_file_offset): New static function.
6178         (Layout::set_segment_offsets): Use align_file_offset.
6179         * output.h (class Output_section): Add is_small_section_ and
6180         is_large_section_ fields.
6181         (Output_section::is_small_section): New function.
6182         (Output_section::set_is_small_section):  New function.
6183         (Output_section::is_large_section): New function.
6184         (Output_section::set_is_large_section): New function.
6185         (Output_section::is_large_data_section): New function.
6186         (class Output_segment): Add is_large_data_segment_ field.
6187         (Output_segment::is_large_data_segment): New function.
6188         (Output_segment::set_is_large_data_segment): New function.
6189         * output.cc (Output_section::Output_section): Initialize new
6190         fields.
6191         (Output_segment::Output_segment): Likewise.
6192         (Output_segment::add_output_section): Add assertion that large
6193         data sections always go in large data segments.  Force small data
6194         sections to the end of the list of data sections.  Force small BSS
6195         sections to the start of the list of BSS sections.  For large BSS
6196         sections to the end of the list of BSS sections.
6197         * symtab.h (class Symbol): Declare is_common_shndx.
6198         (Symbol::is_defined): Check Symbol::is_common_shndx.
6199         (Symbol::is_common): Likewise.
6200         (class Symbol_table): Define enum Commons_section_type.  Update
6201         declarations.  Add small_commons_ and large_commons_ fields.
6202         * symtab.cc (Symbol::is_common_shndx): New function.
6203         (Symbol_table::Symbol_table): Initialize new fields.
6204         (Symbol_table::add_from_object): Put small and large common
6205         symbols in the right list.
6206         (Symbol_table::sized_finalized_symbol): Check
6207         Symbol::is_common_shndx.
6208         (Symbol_table::sized_write_globals): Likewise.
6209         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6210         common symbol lists.  Don't call do_allocate_commons_list if the
6211         list is empty.
6212         (Symbol_table::do_allocate_commons_list): Remove is_tls
6213         parameter.  Add comons_section_type parameter.  Change all
6214         callers.  Handle small and large common symbols.
6215         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6216         Symbol::is_common_shndx.
6217         * resolve.cc (symbol_to_bits): Likewise.
6218         * target.h (Target::small_common_shndx): New function.
6219         (Target::small_common_section_flags): New function.
6220         (Target::large_common_shndx): New function.
6221         (Target::large_common_section_flags): New function.
6222         (Target::new_output_section): New function.
6223         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6224         small_common_section_flags, and large_common_section_flags
6225         fields.
6226         (Target::do_new_output_section): New virtual function.
6227         * arm.cc (Target_arm::arm_info): Initialize new fields.
6228         * i386.cc (Target_i386::i386_info): Likewise.
6229         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6230         Likewise.
6231         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6232         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6233         (Target_x86_64::do_new_output_section): New function.
6234         * configure.ac: Define conditional MCMODEL_MEDIUM.
6235         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6236         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6237         (large_LDFLAGS): Define.
6238         * testsuite/large.c: New file.
6239         * testsuite/testfile.cc (Target_test::test_target_info):
6240         Initialize new fields.
6241         * configure, testsuite/Makefile.in: Rebuild.
6243 2009-06-05  Doug Kwan  <dougkwan@google.com>
6245         * Makefile.am (CCFILES): Add target.cc.
6246         * Makefile.in: Regenerate.
6247         * i386.cc (class Target_i386): Define new virtual method to
6248         override do_is_local_label_name in parent.
6249         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6250         local symbols if --discard-locals or -X is given.
6251         * options.h (class General_options): Declare new options
6252         '--discard-locals' and '-X' for discarding locals.
6253         * target.h (class Target): Define new methods is_local_label_name.
6254         Declare new virtual method do_is_local_label_name.
6255         * target.cc: New file.
6256         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6257         (check_SCRIPTS): Add discard_locals_test.sh.
6258         (check_DATA): Add discard_local_tests.syms.
6259         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6260         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6261         * testsuite/Makefile.in: Regenerate.
6262         * testsuite/discard_locals_test.c: New file.
6263         * testsuite/discard_locals_test.sh: Same.
6265 2009-06-05  Doug Kwan  <dougkwan@google.com>
6267         * object.cc (Sized_relobj::Sized_relobj): Initialize
6268         discarded_eh_frame_shndx_ to -1U.
6269         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6270         section.
6271         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6272         a discarded .eh_frame section.
6273         (Sized_relobj::do_finalize_local_symbols): Ditto.
6274         * object.h (class Sized_relobj): Declare new member
6275         discarded_eh_frame_shndx_.
6276         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6277         (local_labels_test.o, local_labels_test): New rules.
6278         * testsuite/Makefile.in: Regenerate.
6280 2009-06-04  Doug Kwan  <dougkwan@google.com>
6282         * layout.cc (Layout::section_name_mapping): Add mapping for
6283         special ARM sections.
6285 2009-06-03  Doug Kwan  <dougkwan@google.com>
6287         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6288         (utils::has_overflow): Same.
6290 2009-06-03  Ian Lance Taylor  <iant@google.com>
6292         * layout.cc (Layout::section_name_mapping): New array, replacing
6293         Layout::linkonce_mapping.
6294         (Layout::section_name_mapping_count): New variable, replacing
6295         Layout::linkonce_mapping_count.
6296         (Layout::linkonce_output_name): Remove.
6297         (Layout::output_section_name): Rewrite.
6298         * layout.h (class Layout): Rename Linkonce_mapping to
6299         Section_name_mapping, linkonce_mapping to section_name_mapping,
6300         linkonce_mapping_count to section_name_mapping_count.  Don't
6301         declare linkonce_output_name.
6303 2009-06-03  Doug Kwan  <dougkwan@google.com>
6305         * gold/arm.cc (namespace utils): New.
6306         (Target_arm::reloc_is_non_pic): Define new method.
6307         (class Arm_relocate_functions): New.
6308         (Target_arm::Relocate::relocate): Handle relocation types used by
6309         Android.
6311 2009-06-03  Ian Lance Taylor  <iant@google.com>
6313         * arm.cc (Target_arm::scan::global): Use || instead of |.
6315 2009-06-02  Doug Kwan  <dougkwan@google.com>
6317         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6318         issued_non_pic_error_.
6319         (class Target_arm::Scan): Declare new method check_non_pic.
6320         Define new method symbol_needs_plt_entry.
6321         Declare new data member issued_non_pic_error_.
6322         (class Target_arm::Relocate): Declare new method
6323         should_apply_static_reloc.
6324         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6325         (Target_arm::Scan::check_non_pic): Define new method.
6326         (Target_arm::Scan::local): Handle a small subset of reloc types used
6327         by Android.
6328         (Target_arm::Scan::local): Same.
6329         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6331 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6333         * incremental.cc (Incremental_inputs::report_command_line): Filter
6334         out --incremental-* options.
6336 2009-05-29  Doug Kwan  <dougkwan@google.com>
6338         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6339         template class.
6340         (class Target_arm): Update comment.
6341         (Target_arm::Target_arm): Initialize new data members GOT_,
6342         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6343         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6344         and Target_arm::rel_dyn_section.
6345         Declare new_enum Target_arm::Got_type.
6346         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6347         and DYNBSS_.
6348         Update commments for member do_dynsym_value.
6349         (Target_arm::got_size, Target_arm::plt_section,
6350         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6351         new methods inside class defintion.
6352         (Target_arm::got_section): Define new method.
6353         (Target_arm::rel_dyn_section): Same.
6354         (Output_data_plt_arm): New template class.
6355         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6356         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6357         (Output_data_plt_arm::add_entry): Same.
6358         (Output_data_plt_arm::first_plt_entry): Define new
6359         static data member for PLT instruction template.
6360         (Output_data_plt_arm::plt_entry): Same.
6361         (Output_data_plt_arm::do_write): Define new method.
6362         (Target_arm::make_plt_entry): Same.
6363         (Target_arm::do_finalize_sections): Same.
6364         (Target_arm::do_dynsym_value): Same.
6366 2009-05-28  Doug Kwan  <dougkwan@google.com>
6368         * Makefile.am (TARGETSOURCES): Add arm.cc.
6369         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6370         * Makefile.in: Regenerate.
6371         * arm.cc: New file.
6372         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6374 2009-05-26  Doug Kwan  <dougkwan@google.com>
6376         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6377         (General_options::check_excluded_libs): Strip off directories in
6378         archive name before matching like GNU ld does.
6379         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6380         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6381         (exclude_libs_test_LDFLAGS): Add linker option
6382         -Wl,--exclude-libs,libexclude_libs_test_3
6383         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6384         an explicit archive without using -l.
6385         (alt/libexclude_libs_test_3.a): New make rule.
6386         * testsuite/Makefile.in: Regenerate.
6387         * testsuite/exclude_libs_test.c : Declare lib3_default().
6388         (main): Call it.
6389         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6390         * exclude_libs_test_3.c: New file.
6392 2009-05-26  Nick Clifton  <nickc@redhat.com>
6394         * po/id.po: New Indonesian translation.
6395         * po/gold.pot: Updated template file.
6397 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6399         * testsuite/Makefile.am: Add -ffunction-sections to compile
6400         gc_comdat_test files.  Add -Wl,--gc-sections to build
6401         gc_comdat_test.
6402         * testsuite/Makefile.in: Regenerate.
6403         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6405 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6407         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6408         kept comdat section was garbage collected.
6409         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6410         * testsuite/Makefile.in: Regenerate.
6411         * testsuite/gc_comdat_test.sh: New file.
6412         * testsuite/gc_comdat_test_1.cc: New file.
6413         * testsuite/gc_comdat_test_2.cc: New file.
6415 2009-05-19  Doug Kwan  <dougkwan@google.com>
6417         * archive.cc (Archive::Archive): Move constructor from archive.h
6418         to here.  Initialize no_export_.
6419         (Archive::get_elf_object_for_member): Set no_export flag of object.
6420         * archive.h (Archive::Archive): Move constructor body to
6421         archive.cc.
6422         (Archive::no_export): New method.
6423         (Archive::no_export_): New field.
6424         * object.h (Object::Object): Initialize no_export_ to false.
6425         (Object::no_export, Object::set_no_export): New methods.
6426         (Object::no_export_): New field.
6427         * options.cc (General_options::parse_exclude_libs): New method.
6428         (General_options::check_excluded_libs) Same.
6429         * options.h (exclude_libs): New option.
6430         (General_options::check_excluded_libs): New method declaration.
6431         (General_options::excluded_libs_): New field.
6432         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6433         default or protected visibility if an object has no-export flag set.
6434         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6435         (check_SCRIPTS): Add exclude_libs_test.sh.
6436         (check_DATA): Add exclude_libs_test.syms.
6437         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6438         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6439         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6440         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6441         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6442         libexclude_libs_test_2.a): New rules.
6443         * testsuite/Makefile.in: Regenerate.
6444         * testsuite/exclude_libs_test.c: New file.
6445         * testsuite/exclude_libs_test.sh: Ditto.
6446         * testsuite/exclude_libs_test_1.c: Ditto.
6447         * testsuite/exclude_libs_test_2.c: Ditto.
6449 2009-05-15  Ian Lance Taylor  <iant@google.com>
6451         * configure.ac: Check for declarations for cases where libiberty.h
6452         checks HAVE_DECL_xxx.
6453         * configure, config.in: Rebuild.
6455 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6457         * gold.h (Incremental_argument_list): Remove (invalid) forward
6458         declaration.
6459         * incremental.cc (Incremental_inputs::report_achive): New method.
6460         (Incremental_inputs::report_object): New method.
6461         (Incremental_inputs::report_script): New method.
6462         (Incremental_inputs::finalize_inputs): New method.
6463         (Incremental_inputs::finalize): Call finalize_inputs().
6464         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6465         Create inputs entries.
6466         * incremental.h (Incremental_input_type): New enum.
6467         (Incremental_inputs::Incremental_input): Initialize new fields.
6468         (Incremental_inputs::report_inputs): New method.
6469         (Incremental_inputs::report_achive): New method.
6470         (Incremental_inputs::report_object): New method.
6471         (Incremental_inputs::report_script): New method.
6472         (Incremental_inputs::finalize_inputs): New method.
6473         (Incremental_inputs::Input_info): New struct.
6474         (Incremental_inputs::Input_info_map): New typedef.
6475         (Incremental_inputs::lock_): New field.
6476         (Incremental_inputs::Inputs_): New field.
6477         (Incremental_inputs::Inputs_map): New field.
6478         * main.cc (main): Call Incremental_input::report_inputs.
6479         * options.h (Input_argument_list): Typedef moved from
6480         Input_arguments.
6481         (Input_file_group::Files): Remove, use ::Input_argument_list.
6482         (Input_file_group::Input_argument_list): Remove, use
6483         ::Input_argument_list.
6484         * plugin.cc (Plugin_manager::add_input_file): Add error in
6485         incremental build.
6486         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6487         functions.
6488         * script.cc (read_input_script): Call
6489         Incremental_input::report_script.
6490         * script.h (Script_info): New class.
6492 2009-04-27  Ian Lance Taylor  <iant@google.com>
6494         * x86_64.cc (do_adjust_output_section): Set entsize to
6495         plt_entry_size.
6497 2009-04-23  Elliott Hughes  <enh@google.com>
6499         * output.cc (Output_file::close): After short writes, continue
6500         writing from the correct offset in the buffer being written.
6502 2009-04-23  Chris Demetriou  <cgd@google.com>
6504         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6505         * configure: Regenerate.
6506         * config.in: Regenerate.
6507         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6508         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6510 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6512         * incremental.cc (Incremental_inputs_header_data): Renamed from
6513         Incremental_input_header_data.
6514         (Incremental_inputs_header_data::data_size): New field.
6515         (Incremental_inputs_header_data::put_input_file_count): Renamed
6516         from input_file_count.
6517         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6518         from command_line_offset.
6519         (Incremental_inputs_header_data::put_reserved): Renamed from
6520         put_reserved.
6521         (Incremental_inputs_entry_data): Renamed from
6522         Incremental_input_entry_data.
6523         (Incremental_inputs_entry_data::data_size): New field.
6524         (Incremental_inputs::report_command_line): New method.
6525         (Incremental_inputs::finalize): New method.
6526         (Incremental_inputs::create_incremental_inputs_data): New method.
6527         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6528         * incremental.h: New file.
6529         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6530        (Layout::finalize): Create incremental inputs section in
6531         incremental builds.
6532        (Layout::create_incremental_info_sections): New method.
6533         * layout.h (Layout::incremental_inputs): New method.
6534        (Layout::create_incremental_info_sections): New method.
6535        (Layout::incremental_inputs_): New field.
6536         * main.cc (main): Notify Incremental_input of the command line.
6538 2009-04-01  Ian Lance Taylor  <iant@google.com>
6539             Mikolaj Zalewski  <mikolajz@google.com>
6541         * gold.h (reserve_unordered_map): Define, three versions, one for
6542         each version of Unordered_map.
6543         * layout.cc (Layout::Layout): Remove options parameter.  Add
6544         number_of_input_files parameter.  Don't initialize options_.
6545         Initialize number_of_input_files_ and resized_signatures_.  Move
6546         sections_are_attached_.
6547         (Layout::layout_group): Reserve space for group_signatures_.
6548         (Layout::find_or_add_kept_section): Change name parameter to be a
6549         reference.  Resize signatures_ map when it gets large enough.
6550         (Layout::layout_eh_frame): Use parameters->options() instead of
6551         this->options_.
6552         (Layout::make_output_section): Likewise.
6553         (Layout::attach_allocated_section_to_segment): Likewise.
6554         (Layout::finalize, Layout::create_executable_stack): Likewise.
6555         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6556         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6557         * layout.h (class Layout): Update declarations.  Remove options_
6558         field.  Add number_of_input_files_ and resized_signatures_
6559         fields.  Move sections_are_attached_ field.
6560         * main.cc (main): Pass number of input files to Layout
6561         constructor.  Don't pass options.
6563 2009-03-30  Ian Lance Taylor  <iant@google.com>
6565         * ffsll.c (ffsll): Correct implementation.
6567 2009-03-27  Ian Lance Taylor  <iant@google.com>
6569         * ffsll.c: New file.
6570         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6571         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6572         * ftruncate.c (ftruncate): Declare before definition.
6573         * mremap.c (mremap): Likewise.
6574         * pread.c (pread): Likewise.
6575         * configure, Makefile.in, config.in: Rebuild.
6577         * mremap.c: New file.
6578         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6579         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6580         (mremap): Declare if HAVE_MREMAP is not defined.
6581         * configure, Makefile.in, config.in: Rebuild.
6583 2009-03-27  Cary Coutant  <ccoutant@google.com>
6585         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6586         position independent.
6587         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6588         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6590 2009-03-24  Cary Coutant  <ccoutant@google.com>
6592         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6593         an executable.
6594         (needs_dynamic_reloc): Likewise.
6596 2009-03-24  Ian Lance Taylor  <iant@google.com>
6598         * yyscript.y (file_cmd): Recognize EXTERN.
6599         (extern_name_list, extern_name_list_body): New nonterminals.
6600         * script.cc (script_add_extern): Define.
6601         * script-c.h (script_add_extern): Declare.
6603 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6605         * object.cc (is_elf_object): Define.
6606         * object.h (is_elf_object): Declare.
6607         * archive.cc (Archive::get_elf_object_for_member): Call
6608         is_elf_object.
6609         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6611 2009-03-24  Elliott Hughes  <enh@google.com>
6613         * output.cc (Output_file::map_anonymous): Define.
6614         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6615         try an anonymous one.  Report the size if the mmap fails.
6616         * output.h (class Output_file): Declare map_anonymous.
6618 2009-03-24  Ian Lance Taylor  <iant@google.com>
6620         * target-select.cc (instantiate_target): Don't acquire the lock if
6621         the instantiated_target_ field has already been set.
6623 2009-03-23  Ian Lance Taylor  <iant@google.com>
6625         * gold-threads.h (class Initialize_lock): Define.
6626         * gold-threads.cc (class Initialize_lock_once): Define.
6627         (initialize_lock_control): New static variable.
6628         (initialize_lock_pointer): New static variable.
6629         (initialize_lock_once): New static function.
6630         (Initialize_lock::Initialize_lock): Define.
6631         (Initialize_lock::initialize): Define.
6632         * target-select.h: Include "gold-threads.h".
6633         (class Target_selector): Add lock_ and initialize_lock_ fields.
6634         Don't define instantiate_target, just declare it.
6635         * target-select.cc (Target_selector::Target_selector): Initialize
6636         new fields.
6637         (Target_selector::instantiate_target): Define.
6638         * descriptors.h: Include "gold-threads.h".
6639         (class Descriptors): Add initialize_lock_ field.
6640         * descriptors.cc (Descriptors::Descriptors): Initialize new
6641         field.
6642         (Descriptors::open): Use initialize_lock_ field
6643         * errors.h (class Errors): Add initialize_lock_ field.
6644         * errors.cc (Errors::Errors): Initialize new field.
6645         (Errors::initialize_lock): Use initialize_lock_ field.
6646         * powerpc.cc (class Target_selector_powerpc): Remove
6647         instantiated_target_ field.  In do_recognize call
6648         instantiate_target rather than do_instantiate_target.  In
6649         do_instantiate_target just allocate a new target.
6650         * sparc.cc (class Target_selector_sparc): Likewise.
6652         * freebsd.h: New file.
6653         * i386.cc: Include "freebsd.h".
6654         (Target_i386): Derive from Target_freebsd rather than
6655         Sized_target.
6656         (Target_selector_i386): Derive from Target_selector_freebsd rather
6657         than Target_selector.
6658         * x86_64.cc: Include "freebsd.h".
6659         (Target_x86_64): Derive from Target_freebsd rather than
6660         Sized_target.
6661         (Target_selector_x86_64): Derive from Target_selector_freebsd
6662         rather than Target_selector.
6663         * target.h (class Target): Add adjust_elf_header and
6664         do_adjust_elf_header.
6665         * output.cc (Output_file_header:: do_sized_write): Call target
6666         adjust_elf_header routine.
6667         * configure.tgt: Set targ_osabi.
6668         * configure.ac: Define GOLD_DEFAULT_OSABI.
6669         * parameters.cc (Parameters::default_target): Pass
6670         GOLD_DEFAULT_OSABI to select_target.
6671         * target-select.h (class Target_selector): Make instantiate_target
6672         protected rather than private.
6673         * Makefile.am (HFILES): Add freebsd.h.
6674         * configure, Makefile.in, config.in: Rebuild.
6676         * merge.cc (do_add_input_section): Correct pend value.  Change
6677         message about last entry not being null terminated from error to
6678         warning.
6680 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6682         * incremental.cc: New file.
6683         * Makefile.am (CCFILES): Add incremental.cc.
6684         * Makefile.in: Rebuild.
6686 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6688         * layout.cc (Layout::output_section_name): Preserve names
6689         of '.note.' sections.
6691 2009-03-19  Ian Lance Taylor  <iant@google.com>
6693         * descriptors.cc (Descriptors::open): Check that the options are
6694         valid before using them.
6696 2009-03-18  Ian Lance Taylor  <iant@google.com>
6698         * script-sections.h: Include <list>.
6699         (class Script_sections): Change Sections_elements from std::vector
6700         to std::list.  Typedef public Elements_iterator.  Add
6701         orphan_section_placement_, data_segment_align_start_, and
6702         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6703         field.
6704         * script-sections.cc (class Orphan_section_placement): New class.
6705         (class Sections_element): Add virtual functions is_relro and
6706         orphan_section_init.  Remove virtual function place_orphan_here.
6707         (class Output_section_definition): Add is_relro and
6708         orphan_section_init.  Remove place_orphan_here.
6709         (class Orphan_output_section): Likewise.
6710         (Script_sections::Script_sections): Update for field changes.
6711         (Script_sections::data_segment_align): Set saw_data_segment_align_
6712         and data_segment_align_start_, not data_segment_align_index.
6713         (Script_sections::data_segment_relro_end): Check
6714         saw_data_segment_align_.  Use data_segment_align_start_ rather
6715         than data_segment_align_index_.
6716         (Script_sections::place_orphan): Rewrite to use
6717         Orphan_section_placement.
6719 2009-03-17  Ian Lance Taylor  <iant@google.com>
6721         * archive.cc (Archive::add_symbols): Check for a version attached
6722         to the symbol name in the archive map.
6723         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6724         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6725         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6726         (ver_test_11.a): New target.
6727         * testsuite/Makefile.in: Rebuild.
6729         * configure.ac: Check for chsize and posix_fallocate.  Replace
6730         ftruncate.
6731         * ftruncate.c: New file, from gnulib.
6732         * output.cc (posix_fallocate): Define dummy version if not
6733         HAVE_POSIX_FALLOCATE.
6734         (Output_file::map): Call posix_fallocate rather than lseek and
6735         write.
6736         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6737         * configure, Makefile.in, config.in: Rebuild.
6739 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6741         * layout.h (Layout::create_note): Add section_name parameter.
6742         * layout.cc (Layout::create_note): Likewise.
6743         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6745 2009-03-17  Ian Lance Taylor  <iant@google.com>
6747         * descriptors.cc: Include "options.h".
6748         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6749         (Descriptors::open): Always use O_CLOEXEC when opening a new
6750         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6751         then set FD_CLOEXEC.
6753         * sparc.cc (class Target_sparc): Add has_got_section.
6754         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6755         make sure we have a GOT section.
6757         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6758         (Target_sparc::Scan::local): Likewise.
6759         (Target_sparc::Scan::global): Likewise.
6760         (Target_sparc::Relocate::relocate): Likewise.
6761         (Target_sparc::Relocate::relocate_tls): Likewise.
6763         * symtab.cc (Symbol_table::define_default_version): New function,
6764         broken out of add_from_object.
6765         (Symbol_table::add_from_object): Call define_default_version.
6766         (Symbol_table::define_special_symbol): Add resolve_oldsym
6767         parameter.  Change all callers.  If the version for a symbol comes
6768         from a version script, resolve it with the symbol with the same
6769         name with no version.  Also add the symbol without a version if
6770         appropriate.
6771         (do_define_in_output_data): If resolving with oldsym, don't delete
6772         sym.
6773         (do_define_in_output_segment): Likewise.
6774         (do_define_as_constant): Likewise.
6775         * symtab.h (class Symbol_table): Update declarations.
6777 2009-03-13  Ian Lance Taylor  <iant@google.com>
6779         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6780         (Read_symbols::requeue): New function.
6781         (Read_symbols::do_read_symbols): If make_elf_object fails because
6782         the target type is not configured, and the file was searched for,
6783         issue a warning and retry with the next directory.
6784         (Add_symbols::run): If the file has an incompatible format, and
6785         it was searched for, requeue the Read_symbols task.  On error,
6786         release the object.
6787         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6788         dirindex parameter to constructor.  Change all callers.  Declare
6789         incompatible_warning and requeue.
6790         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6791         input_argument_ and input_group_ fields.  Add them to
6792         constructor.  Change all callers.
6793         (class Read_script): Add dirindex_ field.  Add it to constructor.
6794         Change all callers.
6795         * archive.cc (Archive::setup): Remove input_objects parameter.
6796         Change all callers.
6797         (Archive::get_file_and_offset): Likewise.
6798         (Archive::read_all_symbols): Likewise.
6799         (Archive::read_symbols): Likewise.
6800         (Archive::get_elf_object_for_member): Remove input_objects
6801         parameter.  Add punconfigured parameter.  Change all callers.
6802         (Archive::add_symbols): Change return type to bool.  Check return
6803         value of include_member.
6804         (Archive::include_all_members): Likewise.
6805         (Archive::include_member): Change return type to bool.  Return
6806         false if first included object has incompatible target.  Set
6807         included_member_ field.
6808         (Add_archive_symbols::run): If add_symbols returns false, requeue
6809         Read_symbols task.
6810         * archive.h (class Archive): Add included_member_ field.
6811         Initialize it in constructor.  Add input_file and searched_for
6812         methods.  Update declarations.
6813         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6814         input_argument_ fields.  Add them to constructor.  Change all
6815         callers.
6816         * script.cc: Include "target-select.h".
6817         (class Parser_closure): Add skip_on_incompatible_target_ and
6818         found_incompatible_target_ fields.  Add
6819         skip_on_incompatible_target parameter to constructor.  Change all
6820         callers.  Add methods skip_on_incompatible_target,
6821         clear_skip_on_incompatible_target, found_incompatible_target, and
6822         set_found_incompatible_target.
6823         (read_input_script): Add dirindex parameter.  Change all callers.
6824         If parser finds an incompatible target, requeue Read_symbols
6825         task.
6826         (script_set_symbol): Clear skip_on_incompatible_target in
6827         closure.
6828         (script_add_assertion, script_parse_option): Likewise.
6829         (script_start_sections, script_add_phdr): Likewise.
6830         (script_check_output_format): New function.
6831         * script.h (read_input_script): Update declaration.
6832         * script-c.h (script_check_output_format): Declare.
6833         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6834         (ignore_cmd): Remove OUTPUT_FORMAT.
6835         * fileread.cc (Input_file::Input_file): Add explicit this.
6836         (Input_file::will_search_for): New function.
6837         (Input_file::open): Add pindex parameter.  Change all callers.
6838         * fileread.h (class Input_file): Add input_file_argument method.
6839         Declare will_search_for.  Update declarations.
6840         * object.cc (make_elf_object): Add punconfigured parameter.
6841         Change all callers.
6842         * object.h (class Object): Make input_file public.  Add
6843         searched_for method.
6844         (make_elf_object): Update declaration.
6845         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6846         restart search.
6847         * dirsearch.h (class Dirsearch): Update declaration.
6848         * options.h (class General_options): Add --warn-search-mismatch.
6849         * parameters.cc (Parameters::is_compatible_target): New function.
6850         * parameters.h (class Parameters): Declare is_compatible_target.
6851         * workqueue.cc (Workqueue::add_blocker): New function.
6852         * workqueue.h (class Workqueue): Declare add_blocker.
6854         * fileread.cc (Input_file::open): Remove options parameter.
6855         Change all callers.
6856         (Input_file::open_binary): Likewise.
6857         * script.cc (read_input_script): Likewise.
6858         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6859         options parameter from constructor.  Change all callers.
6860         (class Read_script): Likewise.
6861         * fileread.h (class Input_file): Update declarations.
6862         * script.h (read_input_script): Update declaration.
6864 2009-03-10  Nick Clifton  <nickc@redhat.com>
6866         * po/es.po: New Spanish translation.
6868 2009-03-06  Cary Coutant  <ccoutant@google.com>
6870         * options.cc (parse_short_option): Keep dash_z from registering itself.
6872 2009-03-03  Ian Lance Taylor  <iant@google.com>
6874         PR 9918
6875         * target-reloc.h (relocate_section): Pass output_section to
6876         relocate.
6877         * i386.cc (Target_i386::should_apply_static_reloc): Add
6878         output_section parameter.  Change all callers.
6879         (Target_i386::Relocate::relocate): Add output_section parameter.
6880         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6881         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6882         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6883         * testsuite/two_file_shared.sh: New script.
6884         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6885         (check_DATA): Add two_file_shared.dbg.
6886         (two_file_shared.dbg): New target.
6887         * testsuite/Makefile.in: Rebuild.
6889 2009-03-01  Ian Lance Taylor  <iant@google.com>
6891         * configure.ac: Check for byteswap.h.
6892         * configure: Rebuild.
6893         * config.in: Rebuild.
6895 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6897         * layout.cc (Layout::find_or_add_kept_section): New function.
6898         (Layout::add_comdat): Removed.
6899         * layout.h (struct Kept_section): Move out of class Layout.
6900         Remove trailing underscores from field names.  Add group_sections
6901         field.  Rename group_ field to is_group.  Change all uses.
6902         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6903         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6904         comdat_groups_ field.
6905         (Sized_relobj::include_section_group): Use
6906         find_or_add_kept_section and Kept_section::group_sections.
6907         (Sized_relobj::include_linkonce_section): Likewise.
6908         * object.cc (class Sized_relobj): Don't define Comdat_group or
6909         Comdat_group_table.  Remove find_comdat_group and
6910         add_comdat_group.  Remove comdat_groups_ field.
6911         * plugin.cc (include_comdat_group): Use
6912         Layout::find_or_add_kept_section.
6914 2009-02-28  Ian Lance Taylor  <iant@google.com>
6916         * README: --gc-sections and map files are now supported.  Document
6917         some build requirements.
6919         PR 6992
6920         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6921         relocatable link set the value of the section symbol to zero.
6922         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6923         relocatable link don't include the section address in the local
6924         symbol value.
6926 2009-02-27  Ian Lance Taylor  <iant@google.com>
6928         PR 6811
6929         * options.h (class Search_directory): Add is_system_directory.
6930         (class General_options): Declare is_in_system_directory.
6931         * options.cc (get_relative_sysroot): Make static.
6932         (get_default_sysroot): Make static.
6933         (General_optoins::is_in_system_directory): New function.
6934         * fileread.cc (Input_file::is_in_system_directory): New function.
6935         * fileread.h (class Input_file): Declare is_in_system_directory.
6936         * object.h (class Object): Add is_in_system_directory.
6937         (class Input_objects): Remove system_library_directory_ field.
6938         * object.cc (Input_objects::add_object): Don't set
6939         system_library_directory_.
6940         (input_objects::found_in_system_library_directory): Remove.
6941         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6942         parameter.  Change all callers.
6943         (Symbol_table::sized_write_globals): Likewise.
6944         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6945         Call Object::is_in_system_directory.
6946         * symtab.h (class Symbol_table): Update declarations.
6948         PR 5990
6949         * descriptors.h (Open_descriptor): Add is_on_stack field.
6950         * descriptors.cc (Descriptors::open): If the descriptor is on the
6951         top of the stack, remove it.  Initialize is_on_stack field.
6952         (Descriptors::release): Only add pod to stack if it is not on the
6953         stack already.
6954         (Descriptors::close_some_descriptor): Clear stack_next and
6955         is_on_stack fields.
6957         PR 7091
6958         * output.cc (Output_section::find_starting_output_address): Rename
6959         from starting_output_address; add PADDR parameter; change return
6960         type.
6961         * output.h (class Output_section): Declare
6962         find_starting_output_address instead of starting_output_address.
6963         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6964         section symbol for which we can't find a merge section.
6966         PR 9836
6967         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6968         hidden or internal, force the symbol to be local.
6969         * resolve.cc (Symbol::override_visibility): Define.
6970         (Symbol::override_base): Use override_visibility.
6971         (Symbol_table::resolve): Likewise.
6972         (Symbol::override_base_with_special): Likewise.
6973         (Symbol_table::override_with_special): If the visibility is hidden
6974         or internal, force the symbol to be local.
6975         * symtab.h (class Symbol): Add set_visibility and
6976         override_visibility.
6977         * testsuite/ver_test_1.sh: New file.
6978         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6979         (check_DATA): Add ver_test_1.syms.
6980         (ver_test_1.syms): New target.
6981         * testsuite/Makefile.in: Rebuild.
6983 2009-02-25  Cary Coutant  <ccoutant@google.com>
6985         * layout.cc (Layout::choose_output_section): Don't rename sections
6986         when using a linker script that has a SECTIONS clause.
6987         * Makefile.in: Regenerate.
6989         * testsuite/Makefile.am (script_test_5.sh): New test case.
6990         * testsuite/Makefile.in: Regenerate.
6991         * testsuite/script_test_5.cc: New file.
6992         * testsuite/script_test_5.sh: New file.
6993         * testsuite/script_test_5.t: New file.
6995 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6997         * archive.cc (Archive::include_member): Update calls to add_symbols.
6998         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6999         the Layout argument.
7000         * dynobj.h (do_add_symbols): Add the Layout argument.
7001         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7002         Layout argument.
7003         * object.h (Object::add_symbols): Add the Layout argument.
7004         (Object::do_add_symbols): Add the Layout argument.
7005         (Sized_relobj::do_add_symbols): Add the Layout argument.
7006         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7007         Unify the two versions.
7008         (Add_plugin_symbols): Remove.
7009         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7010         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7011         (Add_plugin_symbols): Remove.
7012         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7013         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7014         (Add_symbols::run): Make it work with Pulginobj.
7016 2009-02-06  Ian Lance Taylor  <iant@google.com>
7018         * object.cc (Sized_relobj::do_layout): Make info message start
7019         with lower case letter.
7021 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7023         * binary.cc: Fix file comment.
7025         * options.h (enum Incremental_disposition): Define.
7026         (class General_options): Add new options: --incremental,
7027         --incremental_changed, --incremental_unchanged,
7028         --incremental_unknown.  Add incremental_disposition_ and
7029         implicit_incremental_ fields.
7030         (General_options::incremental_disposition): New function.
7031         (class Position_dependent_options): Add incremental_disposition
7032         option.
7033         (Position_dependent_options::copy_from_options): Set incremental
7034         dispositions.
7035         * options.cc (General_options::parse_incremental_changed): New
7036         function.
7037         (General_options::parse_incremental_unchanged): New function.
7038         (General_options::parse_incremental_unknown): New function.
7039         (General_options::General_options): Initialize new fields
7040         incremental_disposition_ and implicit_incremental_.
7041         (General_options::finalize): Check for uasge of --incremental-*
7042         without --incremental.
7044 2009-02-06  Chris Demetriou  <cgd@google.com>
7046         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7047         pointer and to report location as the file name associated with
7048         the symbol.
7049         (gold_undefined_symbol_at_location): New function to replace the
7050         old gold_undefined_symbol functionality.
7051         * target-reloc.h (relocate_section): Update to use
7052         gold_undefined_symbol_at_location.
7053         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7054         Call gold_undefined_symbol function rather than gold_error.
7055         * errors.h (Errors::undefined_symbol): Take location as a
7056         string, rather than calculating it from a relocation.
7057         * errors.cc (Errors::fatal): Print "fatal error:" before the
7058         formatted message.
7059         (Errors::error, Errors::error_at_location): Print "error: "
7060         before the formatted message.
7061         (Errors::undefined_symbol): Take location as a string, rather
7062         than calculating it from a relocation.
7063         (gold_undefined_symbol_at_location): New function akin to
7064         old gold_undefined_symbol, calculates location from relocation.
7065         (gold_undefined_symbol): Change to take only a Symbol pointer
7066         and to report location as the file name associated with the symbol.
7067         * testsuite/debug_msg.sh: Update for changed error messages.
7068         * testsuite/undef_symbol.sh: Likewise.
7070 2009-02-04  Duncan Sands  <baldrick@free.fr>
7072         PR 9812
7073         * reduced_debug_output.h
7074         (Output_reduced_debug_abbrev_section::failed): Use format for
7075         gold_warning.
7076         (Output_reduced_debug_info_section::faild): Likewise.
7078 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7080         * script.cc (Lazy_demangler): New class.
7081         (Version_script_info::get_symbol_version_helper): Demangle a
7082         symbol only once.
7084 2009-01-29  Cary Coutant  <ccoutant@google.com>
7086         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7087         to __tls_get_addr.
7088         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7090 2009-01-28  Ian Lance Taylor  <iant@google.com>
7092         * version.cc (version_string): Bump to 1.9.
7094         * gold.h: Include <cstring> and <stdint.h>.
7095         * version.cc: Include <cstdio>.
7096         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7097         warning.
7098         * reduced_debug_output.cc (insert_into_vector): Rename from
7099         Insert_into_vector; change all callers.  Use Swap_unaligned to
7100         avoid aliasing issue; remove union since it is unnecessary.
7102 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7104         * Makefile.am (CCFILES): Add gc.cc.
7105         (HFILES): Add gc.h.
7106         * Makefile.in: Regenerate.
7107         * gold.cc (Gc_runner): New class.
7108         (queue_initial_tasks): Call garbage collection related tasks
7109         when corresponding options are invoked.
7110         (queue_middle_gc_tasks): New function.
7111         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7112         processed early before laying out sections during garbage collection.
7113         * gold.h (queue_middle_gc_tasks): New function.
7114         (is_prefix_of): Move from "layout.cc".
7115         * i386.cc (Target_i386::gc_process_relocs): New function.
7116         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7117         * main.cc (main): Create object of class "Garbage_collection".
7118         * object.cc (Relobj::copy_symbols_data): New function.
7119         (Relobj::is_section_name_included): New function.
7120         (Sized_relobj::do_layout): Allow this function to be called twice
7121         during garbage collection and defer layout of section during the
7122         first call.
7123         * object.h (Relobj::get_symbols_data): New function.
7124         (Relobj::is_section_name_included): New function.
7125         (Relobj::copy_symbols_data): New function.
7126         (Relobj::set_symbols_data): New function.
7127         (Relobj::get_relocs_data): New function.
7128         (Relobj::set_relocs_data): New function.
7129         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7130         (Relobj::gc_process_relocs): New function.
7131         (Relobj::do_gc_process_relocs): New pure virtual function.
7132         (Relobj::sd_): New data member.
7133         (Sized_relobj::is_output_section_offset_invalid): New function.
7134         (Sized_relobj::do_gc_process_relocs): New function.
7135         * options.h (General_options::gc_sections): Modify to not be a no-op.
7136         (General_options::print_gc_sections): New option.
7137         * plugin.cc (Plugin_finish::run): Remove function call to
7138         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7139         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7140         * reloc.cc (Read_relocs::run): Add task to process relocs and
7141         determine unreferenced sections when doing garbage collection.
7142         (Gc_process_relocs): New class.
7143         (Sized_relobj::do_gc_process_relocs): New function.
7144         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7145         sections that are garbage collected.
7146         * reloc.h (Gc_process_relocs): New class.
7147         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7148         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7149         symbols whose corresponding sections are garbage collected.
7150         (Symbol_table::Symbol_table): Add new parameter for the garbage
7151         collection object.
7152         (Symbol_table::gc_mark_undef_symbols): New function.
7153         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7154         (Symbol_table::gc_mark_dyn_syms): New function.
7155         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7156         as garbage.
7157         (Symbol_table::add_from_object): Likewise.
7158         (Symbol_table::add_from_relobj): When building shared objects, do not
7159         treat externally visible symbols as garbage.
7160         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7161         table information for static and relocatable links.
7162         * symtab.h (Symbol_table::set_gc): New function.
7163         (Symbol_table::gc): New function.
7164         (Symbol_table::gc_mark_undef_symbols): New function.
7165         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7166         (Symbol_table::gc_mark_dyn_syms): New function.
7167         (Symbol_table::gc_): New data member.
7168         * target.h (Sized_target::gc_process_relocs): New pure virtual
7169         function.
7170         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7171         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7173 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7175         * options.h (General_options::gc_sections): Define as a no-op for now.
7176         (General_options::no_keep_memory): Ditto.
7177         (General_options::Bshareable): Define.
7178         * options.cc (General_options::finalize): Honor -Bshareable.
7180 2009-01-20  Andreas Schwab  <schwab@suse.de>
7182         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7183         read the value in the contents, since we don't use it.  Use the
7184         template endianness when writing.
7185         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7187 2009-01-19  Andreas Schwab  <schwab@suse.de>
7189         * configure.tgt (powerpc64-*): Fix targ_obj.
7191 2009-01-15  Ian Lance Taylor  <iant@google.com>
7193         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7194         local symbols when stripping all symbols.
7196 2009-01-14  Cary Coutant  <ccoutant@google.com>
7198         * output.cc (Output_reloc): Add explicit instantiations.
7200 2009-01-14  Cary Coutant  <ccoutant@google.com>
7202         * archive.cc (Archive::get_elf_object_for_member): Remove call
7203         to File_read::claim_for_plugin.
7204         * descriptors.cc (Descriptors::open): Remove reference to
7205         is_claimed.
7206         (Descriptors::claim_for_plugin): Remove.
7207         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7208         (Descriptors::is_claimed): Remove.
7209         (claim_descriptor_for_plugin): Remove.
7210         * fileread.cc (File_read::claim_for_plugin): Remove.
7211         * fileread.h (File_read::claim_for_plugin): Remove.
7212         (File_read::descriptor): Reopen descriptor if necessary.
7213         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7214         (Plugin_manager::all_symbols_read): Add task parameter. Change
7215         all callers.
7216         (Plugin_manager::get_input_file): New function.
7217         (Plugin_manager::release_input_file): New function.
7218         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7219         corresponding data member.
7220         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7221         and pass to base constructor. Change all callers.
7222         (get_input_file, release_input_file): New functions.
7223         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7224         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7225         (Plugin_manager::all_symbols_read): Add task parameter.
7226         (Plugin_manager::get_input_file): New function.
7227         (Plugin_manager::release_input_file): New function.
7228         (Plugin_manager::task_): New data member.
7229         (Pluginobj::Pluginobj): Add filesize parameter.
7230         (Pluginobj::filename): New function.
7231         (Pluginobj::descriptor): New function.
7232         (Pluginobj::filesize): New function.
7233         (Pluginobj::filesize_): New data member.
7234         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7235         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7236         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7238         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7239         with archive libraries.
7240         * testsuite/Makefile.in: Regenerate.
7241         * testsuite/plugin_test.c (struct sym_info): New type.
7242         (get_input_file, release_input_file): New static variables.
7243         (onload): Capture new transfer vector entries.
7244         (claim_file_hook): Stop reading at end of file according to filesize.
7245         Factor out parsing of readelf output into separate function.
7246         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7247         APIs and get the source file name from the symbol table.  Convert
7248         source file name to corresponding object file name.  Print info
7249         message when adding new input files.
7250         (parse_readelf_line): New function.
7251         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7252         * testsuite/plugin_test_2.sh: Likewise.
7253         * testsuite/plugin_test_3.sh: Likewise.
7254         * testsuite/plugin_test_4.sh: New test case.
7256 2009-01-07  Ian Lance Taylor  <iant@google.com>
7258         * version.cc (version_string): Bump to 1.8.
7260 2008-12-23  Cary Coutant  <ccoutant@google.com>
7262         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7263         * plugin.cc (Plugin_manager::finish): Rename as
7264         layout_deferred_objects.  Move cleanup to separate function.
7265         (Plugin_manager::cleanup): New function.
7266         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7267         separately.
7268         * plugin.h (Plugin_manager::finish): Rename as
7269         layout_deferred_objects.
7270         (Plugin_manager::cleanup): New function.
7271         (Plugin_manager::cleanup_done): New field.
7273 2008-12-23  Cary Coutant  <ccoutant@google.com>
7275         * plugin.cc (is_visible_from_outside): New function.
7276         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7277         so we don't return "IR only" status for exported symbols or -r links.
7279         * testsuite/Makefile.am (plugin_test_3): New test case.
7280         * testsuite/Makefile.in: Regenerate.
7281         * testsuite/plugin_test_3.sh: New file.
7283 2008-12-22  Cary Coutant  <ccoutant@google.com>
7285         * object.cc (Sized_relobj::layout_section): New function.
7286         (Sized_relobj::do_layout): Defer layout of input sections until after
7287         plugin has provided replacement files.
7288         (Sized_relobj::do_layout_deferred_sections): New function.
7289         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7290         (Relobj::layout_deferred_sections): New function.
7291         (Relobj::do_layout_deferred_sections): New function.
7292         (Sized_relobj::do_layout_deferred_sections): New function.
7293         (Sized_relobj::layout_section): New function.
7294         (Sized_relobj::Deferred_layout): New structure.
7295         (Sized_relobj::deferred_layout_): New field.
7296         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7297         Change all callers.  Layout deferred sections.
7298         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7299         references.
7300         (Plugin_hook::run): Move code from do_plugin_hook inline.
7301         (Plugin_hook::do_plugin_hook): Remove.
7302         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7303         (Plugin_manager::finish): Renamed, was cleanup.
7304         (Plugin_manager::should_defer_layout): New function.
7305         (Plugin_manager::add_deferred_layout_object): New function.
7306         (Plugin_manager::Deferred_layout_list): New type.
7307         (Plugin_manager::deferred_layout_objects_): New field.
7308         (Plugin_hook::do_plugin_hook): Remove.
7310 2008-12-17  Ian Lance Taylor  <iant@google.com>
7312         * options.h (class General_options): Add --no case for
7313         --export-dynamic.
7315 2008-12-16  Cary Coutant  <ccoutant@google.com>
7317         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7318         vector.
7319         (Plugin_manager::claim_file): Create plugin object even if
7320         plugin did not call the add_symbols callback.
7321         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7322         asking for more symbols than were added.
7323         * testsuite/Makefile.am (plugin_test_1): Add test case with
7324         no global symbols.
7325         (empty.syms): New target.
7326         * testsuite/Makefile.in: Regenerate.
7327         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7328         message. Don't call add_symbols if no globals.
7329         (all_symbols_read_hook): Don't provide replacement for empty
7330         claimed file.
7332 2008-12-12  Ian Lance Taylor  <iant@google.com>
7334         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7335         r_type == 0 for a local symbol with r_sym == 0.
7336         (scan_relocatable_relocs): Pass r_sym to
7337         local_non_section_strategy.
7338         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7339         r_sym parameter.
7341         * configure.ac: Update test for TLS descriptors: they are
7342         supported as of glibc 2.9.
7343         * configure: Rebuild.
7345 2008-12-11  Ian Lance Taylor  <iant@google.com>
7347         PR 7091
7348         * target-reloc.h (Default_scan_relocatable_relocs): For each
7349         function, map r_type == 0 to RELOC_DISCARD.
7351 2008-12-10  Cary Coutant  <ccoutant@google.com>
7353         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7354         object to override a kept COMDAT group from a plugin object.
7356 2008-12-09  Ian Lance Taylor  <iant@google.com>
7358         PR 7088
7359         * yyscript.y (file_cmd): Handle INPUT.
7361         * testsuite/initpri1.c: Change all declarations to be full
7362         prototypes by adding void, to avoid compiler warnings.
7364 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7366         * options.cc (General_options::parse_plugin_opt): New.
7367         (General_options::add_plugin): The argument now is just the filename.
7368         (General_options::add_plugin_option): New.
7369         * options.h (plugin_opt): New.
7370         (add_plugin): Change argument name.
7371         (add_plugin_option): New.
7372         * plugin.cc (Plugin::load): Don't parse the plugin option.
7373         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7374         (Plugin::add_option): New.
7375         (Plugin::args_): Change type.
7376         (Plugin::filename_): New.
7377         (Plugin_manager::add_plugin_option): New.
7378         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7379         * testsuite/Makefile.in: Regenerate.
7381 2008-12-05  Cary Coutant  <ccoutant@google.com>
7383         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7384         Handle --strip-lto-sections option.
7385         * options.h (strip_lto_sections): New option.
7387 2008-12-01  Cary Coutant  <ccoutant@google.com>
7389         * plugin.cc (ld_plugin_message): Change format parameter to const.
7390         Fix mismatch between new[] and delete.
7392 2008-11-14  Cary Coutant  <ccoutant@google.com>
7394         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7395         instead of -1U.
7397 2008-11-05  Craig Silverstein  <csilvers@google.com>
7399         * options.cc (General_options::parse_dynamic_list): New function.
7400         * options.h (General_options): New flags dynamic_list,
7401         dynamic_list_data, dynamic_list_cpp_new, and
7402         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7403         (General_options::in_dynamic_list): New function.
7404         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7405         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7406         (Lex::can_continue_name): Likewise.
7407         (yylex): Likewise.
7408         (read_script_file): New parameter script_options.
7409         (read_dynamic_list): New function.
7410         (Script_options::define_dynamic_list): New function.
7411         (dynamic_list_keyword_parsecodes): New variable.
7412         (dynamic_list_keywords): New variable.
7413         * script.h (Script_options::define_dynamic_list): New function
7414         prototype.
7415         (read_dynamic_list): New function prototype.
7416         * symtab.cc (strprefix): New macro.
7417         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7418         dynamic_list_data, dynamic_list_cpp_new, and
7419         dynamic_list_cpp_typeinfo.
7420         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7421         (dynamic_list_expr): New rule.
7422         (dynamic_list_nodes): Likewise.
7423         (dynamic_list_node): Likewise.
7424         * testsuite/Makefile.am (dynamic_list): New test.
7425         * testsuite/Makefile.in: Regenerated.
7426         * testsuite/dynamic_list.t: New file.
7427         * testsuite/dynamic_list.sh: New file.
7429 2008-11-05  Craig Silverstein  <csilvers@google.com>
7431         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7432         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7433         (t11_last): Likewise.
7434         * testsuite/ver_test_6.c (main): Likewise.
7436 2008-10-07  Cary Coutant  <ccoutant@google.com>
7438         * options.c (General_options::finalize): Add check for -static and
7439         -shared.
7440         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7441         is not empty.
7443 2008-10-02  Cary Coutant  <ccoutant@google.com>
7445         * plugin.cc (make_sized_plugin_object): Fix conditional
7446         compilation to work when not all targets are enabled.
7448 2008-09-29  Cary Coutant  <ccoutant@google.com>
7450         * archive.cc (Archive::get_file_and_offset): Use filename instead
7451         of name to get library path.
7452         (Archive::include_member): Unlock external member of a thin archive.
7454         * testsuite/Makefile.am (TEST_AR): New variable.
7455         (thin_archive_test_1): New test.
7456         (thin_archive_test_2): New test.
7457         * testsuite/Makefile.in: Regenerate.
7458         * testsuite/thin_archive_main.cc: New file.
7459         * testsuite/thin_archive_test_1.cc: New file.
7460         * testsuite/thin_archive_test_2.cc: New file.
7461         * testsuite/thin_archive_test_3.cc: New file.
7462         * testsuite/thin_archive_test_4.cc: New file.
7464 2008-09-29  Cary Coutant  <ccoutant@google.com>
7466         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7467         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7468         instead of -1U.
7469         (Sized_relobj::do_finalize_local_symbols): Likewise.
7470         (Sized_relobj::map_to_kept_section): Likewise.
7471         * object.h (Sized_relobj::invalid_address): New constant.
7472         (Sized_relobj::do_output_section_offset): Check for invalid_address
7473         and return -1ULL.
7474         * output.cc (Output_reloc::local_section_offset): Use constant
7475         invalid_address instead of -1U.
7476         (Output_reloc::get_address): Likewise.
7477         (Output_section::output_address): Change -1U to -1ULL.
7478         * output.h (Output_reloc::invalid_address): New constant.
7479         * reloc.cc (Sized_relobj::write_sections): Use constant
7480         invalid_address instead of -1U.
7481         (Sized_relobj::relocate_sections): Likewise.
7482         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7483         values for merge sections.
7484         * target-reloc.h (relocate_for_relocatable): Use constant
7485         invalid_address instead of -1U.
7487 2008-09-19  Cary Coutant  <ccoutant@google.com>
7489         Add plugin functionality for link-time optimization (LTO).
7490         * configure.ac (plugins): Add --enable-plugins option.
7491         * configure: Regenerate.
7492         * config.in: Regenerate.
7493         * Makefile.am (LIBDL): New variable.
7494         (CCFILES): Add plugin.cc.
7495         (HFILES): Add plugin.h.
7496         (ldadd_var): Add LIBDL.
7497         * Makefile.in: Regenerate.
7499         * archive.cc: Include "plugin.h".
7500         (Archive::setup): Don't preread archive symbols when using a plugin.
7501         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7502         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7503         files.
7504         (Archive::include_member): Add symbols from plugin objects.
7505         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7506         * descriptors.cc (Descriptors::open): Check for file descriptors
7507         abandoned by plugins.
7508         (Descriptors::claim_for_plugin): New function.
7509         * descriptors.h (Descriptors::claim_for_plugin): New function.
7510         (Open_descriptor::is_claimed): New field.
7511         (claim_descriptor_for_plugin): New function.
7512         * fileread.cc (File_read::claim_for_plugin): New function.
7513         * fileread.h (File_read::claim_for_plugin): New function.
7514         (File_read::descriptor): New function.
7515         * gold.cc: Include "plugin.h".
7516         (queue_initial_tasks): Add task to call plugin hooks for generating
7517         new object files.
7518         * main.cc: Include "plugin.h".
7519         (main): Load plugin libraries.
7520         * object.h (Pluginobj): Declare.
7521         (Object::pluginobj): New function.
7522         (Object::do_pluginobj): New function.
7523         (Object::set_target): New function.
7524         * options.cc: Include "plugin.h".
7525         (General_options::parse_plugin): New function.
7526         (General_options::General_options): Initialize plugins_ field.
7527         (General_options::add_plugin): New function.
7528         * options.h (Plugin_manager): Declare.
7529         (General_options): Add --plugin option.
7530         (General_options::has_plugins): New function.
7531         (General_options::plugins): New function.
7532         (General_options::add_plugin): New function.
7533         (General_options::plugins_): New field.
7534         * plugin.cc: New file.
7535         * plugin.h: New file.
7536         * readsyms.cc: Include "plugin.h".
7537         (Read_symbols::do_read_symbols): Check for archive before checking
7538         for ELF file.  Call plugin hooks to claim files.
7539         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7540         from a real object file; force override when processing replacement
7541         files.
7542         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7543         (Symbol::init_base_object): Likewise.
7544         (Symbol::init_base_output_data): Likewise.
7545         (Symbol::init_base_output_segment): Likewise.
7546         (Symbol::init_base_constant): Likewise.
7547         (Symbol::init_base_undefined): Likewise.
7548         (Symbol::output_section): Assert that object is not a plugin.
7549         (Symbol_table::add_from_pluginobj): New function.
7550         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7551         undefined.
7552         (Symbol_table::sized_write_globals): Likewise.
7553         (Symbol_table::add_from_pluginobj): Instantiate template.
7554         * symtab.h (Sized_pluginobj): Declare.
7555         (Symbol::in_real_elf): New function.
7556         (Symbol::set_in_real_elf): New function.
7557         (Symbol::in_real_elf_): New field.
7558         (Symbol_table::add_from_pluginobj): New function.
7560         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7561         (LIBDL): New variable.
7562         (LDADD): Add LIBDL.
7563         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7564         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7565         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7566         (MOSTLYCLEANFILES): Likewise.
7567         * testsuite/Makefile.in: Regenerate.
7568         * testsuite/plugin_test.c: New file.
7569         * testsuite/plugin_test_1.sh: New file.
7570         * testsuite/plugin_test_2.sh: New file.
7572 2008-09-16  Ian Lance Taylor  <iant@google.com>
7574         * target-reloc.h (relocate_section): Check whether a symbol is
7575         defined by the ABI before reporting an undefined symbol error.
7576         * target.h (Target::is_defined_by_abi): Make parameter const.
7577         (Target::do_is_defined_by_abi): Likewise.
7578         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7579         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7580         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7581         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7582         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7583         * testsuite/Makefile.in: Rebuild.
7585         * fileread.cc (make_view): Add casts to avoid warning.
7587 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7589         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7590         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7592 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7594         * options.h (General_options::output_is_executable): New.
7595         (General_options::output_is_pie): New.
7596         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7597         for shared libraries.
7598         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7600 2008-09-11  Chris Demetriou  <cgd@google.com>
7602         * options.h (origin): New -z option.
7603         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7604         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7605         in DT_FLAGS_1.
7607 2008-09-05  Cary Coutant  <ccoutant@google.com>
7609         * fileread.cc (File_read::make_view): Add check for attempt to map
7610         beyond end of file.
7612 2008-09-05  Cary Coutant  <ccoutant@google.com>
7614         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7615         explicit instantiations.
7617 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7619         PR gold/6858
7620         * options.cc (General_options::finalize): Allow undefined symbols
7621         in shlibs if linking -shared.
7623         PR gold/6859
7624         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7625         symbols as not needing a dynsym entry.
7627 2008-08-20  Craig Silverstein  <csilvers@google.com>
7629         * fileread.cc (File_read::open): Do not lock the file unless it
7630         was successfully opened.
7632 2008-08-14  Cary Coutant  <ccoutant@google.com>
7634         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7635         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7636         * testsuite/tls_test.cc (struct int128): 128-bit struct
7637         for testing TLS relocs with non-zero addend.
7638         (v12): New TLS variable.
7639         (t12): New test.
7640         (t_last): Add check for v12.
7641         * testsuite/tls_test.h (t12): New function.
7642         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7644 2008-08-13  Ian Lance Taylor  <iant@google.com>
7646         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7647         set tls_segment_ or relro_segment_.
7648         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7649         when appropriate.
7650         * output.h (Output_section::clear_is_relro): New function.
7651         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7652         sections specially even when output_data_ is empty.
7653         (Output_segment::maximum_alignment): When first section is relro,
7654         only force alignment for PT_LOAD segments.
7655         * script.cc (script_data_segment_align): New function.
7656         (script_data_segment_relro_end): New function.
7657         * script-c.h (script_data_segment_align): Declare.
7658         (script_data_segment_relro_end): Declare.
7659         * script-sections.h (class Script_sections): Declare
7660         data_segment_align and data_segment_relro_end.  Add fields
7661         segment_align_index_ and saw_relro_end_.
7662         * script-sections.cc (class Sections_element): Add set_is_relro
7663         virtual function.  Add new bool* parameter to place_orphan_here.
7664         Add get_output_section virtual function.
7665         (class Output_section_definition): Add set_is_relro.  Add new
7666         bool* parameter to place_orphan_here.  Add get_output_section.
7667         Add is_relro_ field.
7668         (Output_section_definition::Output_section_definition): Initialize
7669         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7670         and is_relro_ fields.
7671         (Output_section_definition::place_orphan_here): Add is_relro
7672         parameter.
7673         (Output_section_definition::set_section_addresses): Set relro for
7674         output section.
7675         (Output_section_definition::alternate_constraint): Likewise.
7676         (class Orphan_output_section): Add new bool* parameter to
7677         place_orphan_here.  Add get_output_section.
7678         (Orphan_output_section::place_orphan_here): Add is_relro
7679         parameter.
7680         (Script_sections::Script_sections): Initialize
7681         data_segment_align_index_ and saw_relro_end_.
7682         (Script_sections::data_segment_align): New function.
7683         (Script_sections::data_segment_relro_end): New function.
7684         (Script_sections::place_orphan): Set or clear is_relro.
7685         (Script_sections::set_section_addresses): Force alignment of first
7686         TLS section.
7687         * yyscript.y (exp): Call script_data_segment_align and
7688         script_data_segment_relro_end.
7689         * testsuite/relro_script_test.t: New file.
7690         * testsuite/relro_test.cc (using_script): Declare.
7691         (t1, t2): Test using_script.
7692         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7693         (relro_script_test_SOURCES): Define.
7694         (relro_script_test_DEPENDENCIES): Define.
7695         (relro_script_test_LDFLAGS): Define.
7696         (relro_script_test_LDADD): Define.
7697         (relro_script_test.so): New target.
7698         * testsuite/Makefile.in: Rebuild.
7700 2008-08-06  Cary Coutant <ccoutant@google.com>
7702         * archive.cc (Archive::total_archives, Archive::total_members)
7703         (Archive::total_members_loaded): New variables.
7704         (Archive::setup): Add parameter.  Add option to preread
7705         archive symbols.
7706         (Archive::read_armap): Add counter.
7707         (Archive::get_file_and_offset): New function.
7708         (Archive::get_elf_object_for_member): New function.
7709         (Archive::read_all_symbols): New function.
7710         (Archive::read_symbols): New function.
7711         (Archive::add_symbols): Add counters.
7712         (Archive::include_all_members): Use armap to find members if it's
7713         already built.
7714         (Archive::include_member): Skip reading symbols if already read.
7715         Factored code into Archive::get_file_and_offset and
7716         Archive::get_elf_object_for_member.  Changed call to
7717         Mapfile::report_include_archive_member.
7718         (Archive::print_stats): New function.
7719         * archive.h: Declare Object and Read_symbols_data classes.
7720         (Archive::Archive): Add initializers for new members.
7721         (Archive::setup): Add parameter.
7722         (Archive::print_stats): New function.
7723         (Archive::total_archives, Archive::total_members)
7724         (Archive::total_members_loaded): New variables.
7725         (Archive::get_file_and_offset): New function.
7726         (Archive::get_elf_object_for_member): New function.
7727         (Archive::read_all_symbols): New function.
7728         (Archive::read_symbols): New function.
7729         (Archive::Archive_member): New class.
7730         (Archive::members_): New member.
7731         (Archive::num_members_): New member.
7732         * main.cc: Include archive.h.
7733         (main): Call Archive::print_stats.
7734         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7735         archive parameter; member_name is now the fully-decorated name.
7736         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7737         * options.h: (General_options): Add --preread-archive-symbols option.
7738         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7739         Archive::setup.
7741 2008-08-04  Ian Lance Taylor  <iant@google.com>
7743         * symtab.h (Symbol::use_plt_offset): New function.
7744         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7745         * powerpc.cc (Relocate::relocate): Likewise.
7746         * sparc.cc (Relocate::relocate): Likewise.
7747         * x86_64.cc (Relocate::relocate): Likewise.
7748         * testsuite/weak_plt.sh: New test.
7749         * testsuite/weak_plt_main.cc: New test.
7750         * testsuite/weak_plt_shared.cc: New test.
7751         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7752         (check_PROGRAMS): Add weak_plt.
7753         (check_DATA): Add weak_plt_shared.so.
7754         (weak_plt_main_pic.o, weak_plt): New targets.
7755         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7756         * testsuite/Makefile.in: Rebuild.
7758         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7759         gcctestdir/ld.
7760         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7761         * testsuite/Makefile.in: Rebuild.
7763 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7765         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7766         * Makefile.in: Regenerate.
7767         * po/POTFILES.in: Regenerate.
7769 2008-07-29  Ian Lance Taylor  <iant@google.com>
7771         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7772         symbols before other symbols.
7773         * testsuite/script_test_2.cc (test_addr): Declare.
7774         (test_addr_alias): Declare.
7775         (main): Check that test_addr and test_addr_alias have the right
7776         values.
7777         * testsuite/script_test_2.t: Define test_addr_alias and
7778         test_addr.
7780 2008-07-24  Ian Lance Taylor  <iant@google.com>
7782         PR 5990
7783         * descriptors.cc: New file.
7784         * descriptors.h: New file.
7785         * gold-threads.h (class Hold_optional_lock): New class.
7786         * fileread.cc: Include "descriptors.h".
7787         (File_read::~File_read): Release descriptor rather than closing
7788         it.
7789         (File_read::open) [file]: Call open_descriptor rather than open.
7790         Set is_descriptor_opened_.
7791         (File_read::open) [memory]: Assert that descriptor is not open.
7792         (File_read::reopen_descriptor): New function.
7793         (File_read::release): Release descriptor.
7794         (File_read::do_read): Make non-const.  Reopen descriptor.
7795         (File_read::read): Make non-const.
7796         (File_read::make_view): Reopen descriptor.
7797         (File_read::do_readv): Likewise.
7798         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7799         Update declarations.
7800         * layout.cc: Include "descriptors.h".
7801         (Layout::create_build_id): Use open_descriptor rather than open.
7802         * output.cc: Include "descriptors.h".
7803         (Output_file::open): Use open_descriptor rather than open.
7804         * archive.cc (Archive::const_iterator): Change Archive to be
7805         non-const.
7806         (Archive::begin, Archive::end): Make non-const.
7807         (Archive::count_members): Likewise.
7808         * archive.h (class Archive): Update declarations.
7809         * object.h (Object::read): Make non-const.
7810         * Makefile.am (CCFILES): Add descriptors.cc.
7811         (HFILES): Add descriptors.h.
7812         * Makefile.in: Rebuild.
7814         PR 6716
7815         * gold.h: Always include <clocale>.  Add Solaris workarounds
7816         following code in binutils/sysdep.h.
7818         PR 6048
7819         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7820         this->eh_frame_hdr_ is NULL before using it.
7822         * dynobj.cc (Versions::Versions): Update comment.
7824         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7825         the base version name.
7827         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7828         array size plus one.
7829         (Stringpool_template::set_string_offsets): Subtract one from key
7830         before using it as an array index.
7831         (Stringpool_template::get_offset_with_length): Likewise.
7832         (Stringpool_template::write_to_buffer): Likewise.
7833         * stringpool.h (Stringpool_template::get_offset_from_key):
7834         Likewise.
7836 2008-07-23  Ian Lance Taylor  <iant@google.com>
7838         PR 6658
7839         * object.h (Merged_symbol_value::value): Do our best to handle a
7840         negative addend.
7842         PR 6647
7843         * script.cc (Version_script_info::get_versions): Don't add empty
7844         version tag to return value.
7845         (Version_script_info::get_symbol_version_helper): Change return
7846         type to bool.  Add pversion parameter.  Change all callers.
7847         (script_register_vers_node): Don't require a non-NULL tag.
7848         * script.h (class Version_script_info): Update declarations.
7849         (Version_script_info::get_symbol_version): Change return type to
7850         bool.  Add version parameter.  Change all callers.
7851         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7852         handling.  Handle an empty version from a version script.
7853         (Symbol_table::define_special_symbol): Likewise.
7854         * testsuite/ver_test_10.script: New file.
7855         * testsuite/ver_test_10.sh: New file.
7856         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7857         (check_DATA): Add ver_test_10.syms.
7858         (ver_test_10.syms, ver_test_10.so): New target.
7859         * testsuite/Makefile.in: Rebuild.
7861 2008-07-23  Simon Baldwin  <simonb@google.com>
7863         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7864         to zero for undefined symbols from dynamic libraries.
7866 2008-07-23  Ian Lance Taylor  <iant@google.com>
7868         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7869         Change all callers.
7870         * symtab.h (class Symbol_table): Update declaration.
7871         * testsuite/ver_test_9.cc: New file.
7872         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7873         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7874         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7875         (ver_test_9.so, ver_test_9.o): New targets.
7876         * testsuite/Makefile.in: Rebuild.
7878 2008-07-22  Ian Lance Taylor  <iant@google.com>
7880         * options.h (class General_options): Define --check-sections.
7881         * layout.cc (Layout::set_segment_offsets): Handle
7882         --check-sections.
7884         * options.h (class General_options): Define -n/--nmagic and
7885         -N/--omagic.
7886         * options.cc (General_options::finalize): For -n/--nmagic or
7887         -N/--omagic, set -static.
7888         * layout.cc (Layout::attach_allocated_section_to_segment): If
7889         -N/--omagic, don't put read-only and read-write sections in
7890         different segments.
7891         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7892         finding a read-only segment.
7893         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7894         don't set the minimum segment alignment to the common page size,
7895         and don't set the file offset to the address modulo the page size.
7896         * script-sections.cc (Script_sections::create_segments): If
7897         -n/--omagic, don't put read-only and read-write sections in
7898         different segments.
7900         * cref.cc: New file.
7901         * cref.h: New file.
7902         * options.h (class General_options): Add --print-symbol-counts.
7903         * main.cc (main): Issue defined symbol report if requested.
7904         * archive.cc (Archive::interpret_header): Make into a const member
7905         function.
7906         (Archive::add_symbols): Call Input_objects::archive_start and
7907         archive_stop.
7908         (Archive::const_iterator): Define new class.
7909         (Archive::begin, Archive::end): New functions.
7910         (Archive::include_all_members): Rewrite to use iterator.
7911         (Archive::count_members): New function.
7912         * archive.h (class Archive): Update declarations.
7913         (Archive::filename): New function.
7914         * object.cc: Include "cref.h".
7915         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7916         (Sized_relobj::do_get_global_symbol_counts): New function.
7917         (Input_objects::add_object): Add object to cross-referencer.
7918         (Input_objects::archive_start): New function.
7919         (Input_objects::archive_stop): New function.
7920         (Input_objects::print_symbol_counts): New function.
7921         * object.h: Declare Cref and Archive.
7922         (Object::get_global_symbol_counts): New function.
7923         (Object::do_get_global_symbol_counts): New pure virtual function.
7924         (class Sized_relobj): Add defined_count_ field.  Update
7925         declarations.
7926         (class Input_objects): Add cref_ field.  Update constructor.
7927         Update declarations.
7928         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7929         defined_count_.
7930         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7931         symbol counts.
7932         (Sized_dynobj::do_get_global_symbol_counts): New function.
7933         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7934         defined_count_.  Update declarations.  Define Symbols typedef.
7935         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7936         parameter.  Change all callers.
7937         (Symbol_table::add_from_dynobj): Add sympointers and defined
7938         parameters.  Change all callers.
7939         * symtab.h (class Symbol_table): Update declarations.
7940         * Makefile.am (CCFILES): Add cref.cc.
7941         (HFILES): Add cref.h.
7942         * Makefile.in: Rebuild.
7944 2008-07-22  Simon Baldwin  <simonb@google.com>
7946         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7947         to zero when writing undefined symbols.
7949 2008-07-22  Ian Lance Taylor  <iant@google.com>
7951         * output.cc (Output_section::add_input_section): Don't try to
7952         merge empty merge sections.
7954 2008-07-21  Craig Silverstein  <csilvers@google.com>
7956         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7957         Include symbol version in error message.
7959 2008-07-20  Chris Demetriou  <cgd@google.com>
7961         * configure.ac (gold_cv_c_random_seed): New configured variable.
7962         (RANDOM_SEED_CFLAGS): New substituted variable.
7963         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7964         * configure: Rebuild.
7965         * Makefile.in: Likewise.
7966         * testsuite/Makefile.in: Likewise.
7968 2008-07-18  Ian Lance Taylor  <iant@google.com>
7970         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7971         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7972         * testsuite/ver_test_main.cc (main): Call t4.
7973         (t4, t4_2a): Define.
7974         * testsuite/ver_test_2.cc (t4_2): Define.
7975         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7976         * testsuite/ver_test_4.cc (t4_2a): Define.
7977         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7978         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7980 2008-07-17  Ian Lance Taylor  <iant@google.com>
7982         * dynobj.cc (Versions::add_def): If we give an error about a
7983         missing version, go ahead and create the version anyhow.
7985 2008-07-10  Ian Lance Taylor  <iant@google.com>
7987         Handle output sections with more than 0x7fffffff bytes.
7988         * object.h (class Relobj): Change map_to_output_ to
7989         output_sections_, and just keep a section pointer.  Change all
7990         uses.  Move comdat group support to Sized_relobj.
7991         (Relobj::is_section_specially_mapped): Remove.
7992         (Relobj::output_section): Remove poff parameter.  Change all
7993         callers.
7994         (Relobj::output_section_offset): New function.
7995         (Relobj::set_section_offset): Rewrite.
7996         (Relobj::map_to_output): Remove.
7997         (Relobj::output_sections): New function.
7998         (Relobj::do_output_section_offset): New pure virtual function.
7999         (Relobj::do_set_section_offset): Likewise.
8000         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8001         group support from Relobj.  Update declarations.
8002         (Sized_relobj::get_output_section_offset): New function.
8003         (Sized_relobj::do_output_section_offset): New function.
8004         (Sized_relobj::do_set_section_offset): New function.
8005         * object.cc (Relobj::output_section_address): Remove.
8006         (Sized_relobj::Sized_relobj): Initialize new fields.
8007         (Sized_relobj::include_section_group): Cast find_kept_object to
8008         Sized_relobj.
8009         (Sized_relobj::include_linkonce_section): Likewise.
8010         (Sized_relobj::do_layout): Use separate arrays for output section
8011         and output offset.
8012         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8013         output_sections.
8014         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8015         output_sections and section_offsets.
8016         (Sized_relobj::write_local_symbols): Likewise.
8017         (map_to_kept_section): Compute output address directly.
8018         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8019         output_sections and section_offsets.
8020         (Sized_relobj::write_sections): Likewise.
8021         (Sized_relobj::relocate_sections): Likewise.
8022         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8023         * output.h (class Output_reloc): Update declarations.  Change
8024         u2_.relobj to Sized_relobj*.
8025         (class Output_data_reloc): Change add functions to use
8026         Sized_relobj*.
8027         * output.cc (Output_reloc::Output_reloc): Change relobj to
8028         Sized_relobj*.
8029         (Output_reloc::local_section_offset): Change return type to
8030         Elf_Addr.  Use get_output_section_offset.
8031         (Output_reloc::get_address): Likewise.
8032         (Output_section::is_input_address_mapped): Don't call
8033         is_section_specially_mapped.
8034         (Output_section::output_offset): Likewise.
8035         (Output_section::output_address): Likewise.
8036         (Output_section::starting_output_address): Likewise.
8037         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8038         parameter to Sized_relobj*.
8039         (Copy_relocs::need_copy_reloc): Likewise.
8040         (Copy_relocs::save): Likewise.
8041         * copy-relocs.h (class Copy_relocs): Update declarations.
8042         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8043         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8044         * target-reloc.h (relocate_for_relocatable): Change
8045         offset_in_output_section type to Elf_Addr.  Change code that uses
8046         it as well.
8047         * layout.cc (Layout::layout): Always set *off.
8048         * mapfile.cc (Mapfile::print_input_section): Use
8049         output_section_offset.
8050         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8051         Sized_relobj*.
8052         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8053         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8054         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8056 2008-07-03  Ian Lance Taylor  <iant@google.com>
8058         * layout.cc (Layout::include_section): Do not discard unrecognized
8059         SHT_STRTAB sections.
8061 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8063         * script.cc (Lex::can_continue_name): Make '?' allowable in
8064         version-script names.
8065         * testsuite/version_script.map: Change glob pattern to use '?'
8067 2008-06-30  Manish Singh  <yosh@gimp.org>
8069         PR 6585
8070         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8071         Correct typo.
8073 2008-06-30  Ian Lance Taylor  <iant@google.com>
8075         PR 6660
8076         PR 6682
8077         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8078         versions]: Don't try to read the value in the contents, since we
8079         don't use it.  Use the template endianness when writing.
8081 2008-06-25  Cary Coutant  <ccoutant@google.com>
8083         * fileread.cc (File_read::make_view): Assert on zero-length view.
8084         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8085         symbol table when there are no symbols to read.
8087 2008-06-23  Craig Silverstein  <csilvers@google.com>
8089         * version.cc (version_string): Bump to 1.7
8091 2008-06-18  Craig Silverstein  <csilvers@google.com>
8093         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8094         constant 0xFFFF to type Valtype.
8095         (Powerpc_relocate_functions::rel16_ha): Likewise.
8097 2008-06-17  Ian Lance Taylor  <iant@google.com>
8099         * output.h (Output_section::Input_section): Initialize p2align_ to
8100         zero for Output_section_data constructors.
8101         (Output_section::Input_section::addralign): If not an input
8102         section, return the alignment of the Output_section_data.
8103         * testsuite/copy_test.cc: New file.
8104         * testsuite/copy_test_1.cc: New file.
8105         * testsuite/copy_test_2.cc: New file.
8106         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8107         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8108         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8109         (copy_test_1_pic.o, copy_test_1.so): New targets.
8110         (copy_test_2_pic.o, copy_test_2.so): New targets.
8111         * testsuite/Makefile.in: Rebuild.
8113         * script-sections.cc (Script_sections::place_orphan): Initialize
8114         local variable exact.
8116 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8118         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8120 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8121             David S. Miller  <davem@davemloft.net>
8123         * powerpc.cc: New file.
8124         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8125         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8126         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8127         * Makefile.in: Rebuild.
8129 2008-06-09  Ian Lance Taylor  <iant@google.com>
8131         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8132         <exception>.
8133         (throwing, orig_terminate): New static variables.
8134         (terminate_handler): New static function.
8135         (t2): Set terminate handler.
8137 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8139         PR 6584
8140         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8141         alignment.
8143 2008-05-30  Cary Coutant  <ccoutant@google.com>
8145         * archive.cc (Archive::include_all_members) Correct to step
8146         over symbol table and extended name table in thin archives.
8148 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8150         PR 6407
8151         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8152         calculation.
8154 2008-05-28  Caleb Howe  <cshowe@google.com>
8156         * reduced_debug_output.cc: New file.
8157         * reduced_debug_output.h: New file.
8158         * options.h (class General_options): Add --strip-debug-non-line.
8159         * options.cc (General_options::finalize): Add strip_debug_non_line
8160         to the strip heirarchy.
8161         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8162         fields.
8163         * layout.cc: Include "reduced_debug_output.h".
8164         (Layout::Layout): Initialize new fields.
8165         (line_only_debug_sections): New static array.
8166         (is_lines_only_debug_sections): New static inline function.
8167         (Layout::include_section): Handle --strip-debug-non-line.
8168         (Layout::make_output_section): If --strip-debug-non-line, build
8169         new output sections for .debug_abbrev and .debug_info.
8170         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8171         gold.  Warn about possible overflow.
8172         (read_signed_LEB_128): Likewise.
8173         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8174         (read_signed_LEB_128): Declare.
8175         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8176         (HFILES): Add reduced_debug_output.h.
8177         * Makefile.in: Rebuild.
8179 2008-05-21  Ian Lance Taylor  <iant@google.com>
8181         * mapfile.cc: New file.
8182         * mapfile.h: New file.
8183         * options.h (class General_options): Add -M/--print-map and -Map.
8184         * options.cc (General_options::finalize): Make -M equivalent to
8185         -Map -.
8186         * main.cc: Include <cstdio> and "mapfile.h".
8187         (main): Open mapfile if requested.
8188         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8189         constructor.  Change caller.
8190         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8191         (queue_middle_tasks): Likewise.
8192         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8193         declarations.
8194         * archive.cc: Include "mapfile.h".
8195         (Archive::add_symbols): Add mapfile parameter.  Change all
8196         callers.  Pass mapfile, symbol, and reason to include_member.
8197         (Archive::include_all_members): Add mapfile parameter.  Change all
8198         callers.
8199         (Archive::include_member): Add mapfile, sym, and why parameters.
8200         Change all callers.  Report inclusion to map file.
8201         * archive.h: Include "fileread.h".
8202         (class Archive): Update declarations.
8203         (Archive::file): New const method.
8204         (class Add_archive_symbols): Add mapfile_ field.  Update
8205         constructor.  Change all callers.
8206         * readsyms.h (class Read_symbols): Likewise.
8207         (class Finish_group): Likewise.
8208         (class Read_script): Likewise.
8209         * common.cc: Include "mapfile.h".
8210         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8211         all callers.
8212         (Symbol_table::do_allocate_commons): Likewise.
8213         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8214         symbol allocation to mapfile.
8215         * common.h (class Allocate_commons_task): Add mapfile_ field.
8216         Update constructor.  Change all callers.
8217         * symtab.h (class Symbol_table): Update declarations.
8218         * layout.cc: Include "mapfile.h".
8219         (Layout_task_runner::run): Print information to mapfile.
8220         (Layout::create_gold_note): Change Output_data_fixed_space to
8221         Output_data_zero_fill.
8222         (Layout::create_build_id): Likewise.
8223         (Layout::print_to_mapfile): New function.
8224         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8225         constructor.  Change caller.
8226         (class Layout): Declare print_to_mapfile.
8227         * output.cc (Output_section::Input_section::print_to_mapfile): New
8228         function.
8229         (Output_section::add_input_section): If producing a map, always
8230         add to input_sections_ list.
8231         (Output_section::do_print_to_mapfile): New function.
8232         (Output_segment::print_sections_to_mapfile): New function.
8233         (Output_segment::print_section_list_to_mapfile): New function.
8234         * output.h: Include "mapfile.h".
8235         (Output_data::print_to_mapfile): New function.
8236         (Output_data::do_print_to_mapfile): New virtual function.
8237         (Output_segment_headers::do_print_to_mapfile): New function.
8238         (Output_file_header::do_print_to_mapfile): New function.
8239         (Output_data_const::do_print_to_mapfile): New function.
8240         (class Output_data_const_buffer): Add map_name_ field.  Update
8241         constructor.  Change all callers.  Add do_print_to_mapfile
8242         function.
8243         (class Output_data_fixed_space): Likewise.
8244         (class Output_data_space): Likewise.
8245         (class Output_data_zero_fill): New class.
8246         (Output_data_strtab::do_print_to_mapfile): New function.
8247         (Output_data_reloc_base::do_print_to_mapfile): New function.
8248         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8249         (Output_data_group::do_print_to_mapfile): New function.
8250         (Output_data_got::do_print_to_mapfile): New function.
8251         (Output_data_dynamic::do_print_to_mapfile): New function.
8252         (Output_symtab_xindex::do_print_to_mapfile): New function.
8253         (class Output_section): Declare do_print_to_mapflie.  Declare
8254         print_to_mapfile in Input_section.
8255         (class Output_segment): Declare new functions.
8256         * object.h (Sized_relobj::symbol_count): New function.
8257         * script-sections.cc
8258         (Output_section_element_dot_assignment::set_section_addresses):
8259         Change Output_data_fixed_space to Output_data_zero_fill.
8260         (Output_data_expression::do_print_to_mapfile): New function.
8261         * script.cc (read_input_script): Add mapfile parameter.  Change
8262         all callers.
8263         * script.h (read_input_script): Update declaration.
8264         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8265         (Eh_frame::do_print_to_mapfile): New function.
8266         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8267         (Output_merge_string::do_print_to_mapfile): New function.
8268         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8269         function.
8270         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8271         function.
8272         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8273         function.
8274         * Makefile.am (CCFILES): Add mapfile.cc.
8275         (HFILES): Add mapfile.h.
8276         * Makefile.in: Rebuild.
8278 2008-05-19  Ian Lance Taylor  <iant@google.com>
8280         * options.h (class General_options): Add -z relro.
8281         * layout.cc (Layout::Layout): Initialize relro_segment_.
8282         (Layout::add_output_section_data): Return the output section.
8283         (Layout::make_output_section): Rcognize relro sections and mark
8284         them appropriately.
8285         (Layout::attach_allocated_section_to_segment): Put relro sections
8286         in a PT_GNU_RELRO segment.
8287         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8288         section as relro.
8289         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8290         PT_TLS segments.
8291         (Layout::linkonce_mapping): Map d.rel.ro.local to
8292         .data.rel.ro.local.
8293         (Layout::output_section_name): Us .data.rel.ro.local for any
8294         section which begins with that.
8295         * layout.h (class Layout): Update add_output_section_data
8296         declaration.  Add relro_segment_ field.
8297         * output.cc (Output_section::Output_section): Initialize is_relro_
8298         and is_relro_local_ fields.
8299         (Output_segment::add_output_section): Group relro sections.
8300         (Output_segment::is_first_section_relro): New function.
8301         (Output_segment::maximum_alignment): If there is a relro section,
8302         align the segment to the common page size.
8303         (Output_segment::set_section_addresses): Track whether we are
8304         looking at relro sections.  If the last section is a relro
8305         section, align to the common page size.
8306         (Output_segment::set_section_list_addresses): Add in_relro
8307         parameter.  Change all callers.  Align to the page size when
8308         moving from relro to non-relro section.
8309         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8310         segment.
8311         * output.h (class Output_section): Add is_relro_ and
8312         is_relro_local_ fields.
8313         (Output_section::is_relro): New function.
8314         (Output_section::set_is_relro): New function.
8315         (Output_section::is_relro_local): New function.
8316         (Output_section::set_is_relro_local): New function.
8317         (class Output_segment): Update declarations.
8318         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8319         * sparc.cc (Target_sparc::got_section): Likewise.
8320         * x86_64.cc (Target_x86_64::got_section): Likewise.
8321         * testsuite/relro_test_main.cc: New file.
8322         * testsuite/relro_test.cc: New file.
8323         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8324         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8325         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8326         (relro_test.so, relro_test_pic.o): New targets.
8327         * testsuite/Makefile.in: Rebuild.
8329 2008-05-16  Ian Lance Taylor  <iant@google.com>
8331         * output.cc (Output_segment::add_output_section): Remove front
8332         parameter.
8333         * output.h (class Output_segment): Remove
8334         add_initial_output_section and overloaded add_output_section.
8335         Update declaration of remaining add_output_section.
8336         * layout.cc (Layout::create_interp): Call add_output_section
8337         rather than add_initial_output_section.
8338         (Layout::finish_dynamic_section): Likewise.
8340         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8341         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8342         know the dynamic type.
8343         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8344         field.  Initialize it in constructor.
8345         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8346         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8347         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8348         reloc.
8350         * output.cc (Output_reloc::get_address): Change return type to
8351         Elf_Addr.
8352         * output.h (class Output_reloc): Update get_address declaration.
8353         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8354         for section addresses.
8356 2008-05-09  Ian Lance Taylor  <iant@google.com>
8358         PR 6493
8359         * gold.cc (gold_nomem): Use return value of write.
8361 2008-05-08  Ian Lance Taylor  <iant@google.com>
8363         * symtab.c (Symbol::init_base_output_data): Add version
8364         parameter.  Change all callers.
8365         (Symbol::init_base_output_segment): Likewise.
8366         (Symbol::init_base_constant): Likewise.
8367         (Symbol::init_base_undefined): Likewise.
8368         (Sized_symbol::init_output_data): Likewise.
8369         (Sized_symbol::init_output_segment): Likewise.
8370         (Sized_symbol::init_constant): Likewise.
8371         (Sized_symbol::init_undefined): Likewise.
8372         (Symbol_table::do_define_in_output_data): If the new symbol has a
8373         version, mark it as the default.
8374         (Symbol_table::do_define_in_output_segment): Likewise.
8375         (Symbol_table::do_define_as_constant): Likewise.
8376         * symtab.h (class Symbol): Update declarations.
8377         (class Sized_symbol): Likewise.
8378         * resolve.cc (Symbol::override_version): New function.
8379         (Symbol::override_base): Call override_version.
8380         (Symbol::override_base_with_special): Likewise.
8381         * testsuite/ver_script_8.script: New file.
8382         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8383         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8384         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8385         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8387 2008-05-06  Ian Lance Taylor  <iant@google.com>
8389         PR 6049
8390         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8391         functions.
8392         (class General_options): Remove existing --undefined, and add
8393         --no-undefined instead.  Add new --undefined as synonym for -u.
8394         * archive.cc (Archive::add_symbols): Check whether symbol was
8395         named with -u.
8396         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8397         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8398         all uses.  Add IS_UNDEFINED.  Update declarations to split
8399         different versions of init_base.  Declare init_base_undefined.
8400         (Symbol::is_defined): Handle IS_UNDEFINED.
8401         (Symbol::is_undefined): Likewise.
8402         (Symbol::is_weak_undefined): Call is_undefined.
8403         (Symbol::is_absolute): Handle IS_CONSTANT.
8404         (class Sized_symbol): Update declarations to split different
8405         versions of init.  Declare init_undefined.
8406         (class Symbol_table): Declare new functions.
8407         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8408         Change all callers.
8409         (Symbol::init_base_output_data): Likewise.
8410         (Symbol::init_base_output_segment): Likewise.
8411         (Symbol::init_base_constant): Likewise.
8412         (Symbol::init_base_undefined): New function.
8413         (Sized_symbol::init_object): Rename from init.  Change all
8414         callers.
8415         (Sized_symbol::init_output_data): Likewise.
8416         (Sized_symbol::init_output_segment): Likewise.
8417         (Sized_symbol::init_constant): Likewise.
8418         (Sized_symbol::init_undefined): New function.
8419         (Symbol_table::add_undefined_symbols_from_command_line): New
8420         function.
8421         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8422         function.
8423         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8424         (Symbol::output_section): Likewise.
8425         (Symbol::set_output_section): Likewise.
8426         (Symbol_table::sized_finalize_symbol): Likewise.
8427         (Symbol_table::sized_write_globals): Likewise.
8428         * resolve.cc (Symbol_table::should_override): Likewise.
8429         (Symbol::override_base_with_special): Likewise.
8431         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8432         symbol, change it to have default visibility.
8433         * testsuite/protected_1.cc: New file.
8434         * testsuite/protected_2.cc: New file.
8435         * testsuite/protected_3.cc: New file.
8436         * testsuite/protected_main_1.cc: New file.
8437         * testsuite/protected_main_2.cc: New file.
8438         * testsuite/protected_main_3.cc: New file.
8439         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8440         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8441         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8442         (protected_1.so): New target.
8443         (protected_1_pic.o, protected_2_pic.o): New targets.
8444         (protected_3_pic.o): New target.
8445         (check_PROGRAMS): Add protected_2.
8446         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8447         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8448         * testsuite/Makefile.in: Rebuild.
8450         * options.h (DEFINE_var): Add set_user_set_##varname__.
8451         (DEFINE_bool_alias): New macro.
8452         (class General_options): Define -Bstatic using DEFINE_bool_alias
8453         rather than DEFINE_special.  Add --undefined as an alias for -z
8454         defs.
8455         * options.cc (General_options::parse_Bstatic): Remove.
8457         * options.h (class General_options): Add --fatal-warnings.
8458         * main.cc (main): Implement --fatal-warnings.
8459         * errors.h (Errors::warning_count): New function.
8461         * options.h (class General_options): Add -Bsymbolic-functions.
8462         * symtab.h (Symbol::is_preemptible): Check for
8463         -Bsymbolic-functions.
8465 2008-05-05  Ian Lance Taylor  <iant@google.com>
8467         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8468         as noVARNAME rather than no-VARNAME.
8469         (class General_options): Add option -z combreloc.
8470         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8471         get_address.
8472         (Output_reloc::sort_before) [SHT_REL]: New function.
8473         (Output_reloc::sort_before) [SHT_RELA]: New function.
8474         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8475         Sort_relocs_comparison.
8476         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8477         parameter.  Change all callers.
8478         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8479         sort_relocs parameter.  Change all callers.
8480         * output.cc (Output_reloc::get_address): New function, broken out
8481         of write_rel.
8482         (Output_reloc::write_rel): Call it.
8483         (Output_reloc::compare): New function.
8484         (Output_data_reloc_base::do_write): Optionally sort relocs.
8486         * configure.ac: If targ_extra_obj is set, link it in.
8487         * configure.tgt: Initialize all variables.
8488         (x86_64*): Set targ_extra_obj and targ_extra_size.
8489         * configure: Rebuild.
8491         * object.cc (Sized_relobj::include_section_group): Adjust section
8492         indexes read from group data.  Build vector to pass to
8493         layout_group.
8494         * layout.cc (Layout::layout_group): Add flags and shndxes
8495         parameters.  Remove contents parameter.  Change caller.  Update
8496         explicit instantiations.
8497         * layout.h (class Layout): Update layout_group declaration.
8498         * output.cc (Output_data_group::Output_data_group): Add flags and
8499         input_shndxes parameters.  Remove contents parameter.  Change
8500         caller.
8501         (Output_data_group::do_write): Change input_sections_ to
8502         input_shndxes_.
8503         * output.h (class Output_data_group): Update constructor
8504         declaration.  Rename input_sections_ to input_shndxes_.
8505         * testsuite/many_sections_test.cc: Add template.
8507 2008-04-30  Cary Coutant  <ccoutant@google.com>
8509         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8511         * layout.cc (Layout::include_section): Refactored check for debug
8512         info section.
8513         (Layout::add_comdat): Add new parameters.  Change type
8514         of signature parameter.  Add object and shndx to signatures table.
8515         (Layout::find_kept_object): New function.
8516         * layout.h: Include <cstring>.
8517         (Layout::is_debug_info_section): New function.
8518         (Layout::add_comdat): Add new parameters.
8519         (Layout::find_kept_object): New function.
8520         (Layout::Kept_section): New struct.
8521         (Layout::Signatures): Change type of map range.
8522         * object.cc (Relobj::output_section_address): New function.
8523         (Sized_relobj::include_section_group): Add new parameters.  Change
8524         calls to Layout::add_comdat.  Change to build table of kept comdat
8525         groups and table mapping discarded sections to kept sections.
8526         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8527         (Sized_relobj::do_layout): Change calls to include_section_group and
8528         include_linkonce_section.
8529         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8530         value to zero when section is discarded.
8531         (Sized_relobj::map_to_kept_section): New function.
8532         * object.h (Relobj::output_section_address): New function.
8533         (Relobj::Comdat_group): New type.
8534         (Relobj::find_comdat_group): New function.
8535         (Relobj::Comdat_group_table): New type.
8536         (Relobj::Kept_comdat_section): New type.
8537         (Relobj::Kept_comdat_section_table): New type.
8538         (Relobj::add_comdat_group): New function.
8539         (Relobj::set_kept_comdat_section): New function.
8540         (Relobj::get_kept_comdat_section): New function.
8541         (Relobj::comdat_groups_): New field.
8542         (Relobj::kept_comdat_sections_): New field.
8543         (Symbol_value::input_value): Update comment.
8544         (Sized_relobj::map_to_kept_section) New function.
8545         (Sized_relobj::include_linkonce_section): Add new parameter.
8546         * target-reloc.h (Comdat_behavior): New type.
8547         (get_comdat_behavior): New function.
8548         (relocate_section): Add code to map a discarded section to the
8549         corresponding kept section when applying a relocation.
8551 2008-04-30  Craig Silverstein  <csilvers@google.com>
8553         * dwarf_reader.cc (next_generation_count): New static var.
8554         (Addr2line_cache_entry): New struct.
8555         (addr2line_cache): New static var.
8556         (Dwarf_line_info::one_addr2line): Added caching.
8557         (Dwarf_line_info::clear_addr2line_cache): New function.
8558         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8559         cache-size parameter.
8560         (Dwarf_line_info::one_addr2line_cache): New function.
8561         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8562         new cache-size argument to one_addr2line(), and clear cache.
8564 2008-04-28  Cary Coutant  <ccoutant@google.com>
8566         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8567         R_386_PC8 relocations.
8569 2008-04-23  Ian Lance Taylor  <iant@google.com>
8571         * object.cc (Sized_relobj::include_section_group): Check for
8572         invalid section group.
8574         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8575         header size.
8577         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8578         than read for file header.
8579         * archive.cc (Archive::include_member): Likewise.
8581 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8583         * aclocal.m4: Regenerate.
8584         * configure: Regenerate.
8586 2008-04-19  Ian Lance Taylor  <iant@google.com>
8588         * version.cc (version_string): Bump to 1.6.
8590         * testsuite/Makefile.am (many_sections_r_test): New target.
8591         (many_sections_r_test_SOURCES): Remove.
8592         (many_sections_r_test_DEPENDENCIES): Remove.
8593         (many_sections_r_test_LDFLAGS): Remove.
8594         (many_sections_r_test_LDADD): Remove.
8596         * object.cc (Sized_relobj::do_add_symbols): Always pass
8597         local_symbol_count_ to add_from_relobj.
8599         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8600         every thousand variables.
8601         * testsuite/Makefile.in: Rebuild.
8603         * object.cc (Xindex::initialize_symtab_xindex): New function.
8604         (Xindex::read_symtab_xindex): New function.
8605         (Xindex::sym_xindex_to_shndx): New function.
8606         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8607         available.
8608         (Sized_relobj::do_initialize_xindex): New function.
8609         (Sized_relobj::do_read_symbols): Adjust section links.
8610         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8611         parameter.  Change all callers.
8612         (Sized_relobj::include_section_group): Adjust section links and
8613         symbol section indexes.
8614         (Sized_relobj::do_layout): Adjust section links.
8615         (Sized_relobj::do_count_local_symbols): Adjust section links and
8616         symbol section indexes.
8617         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8618         ordinary and special symbols.
8619         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8620         dynsym_xindex parameters.  Change all callers.  Adjust section
8621         links.  Use SHN_XINDEX when needed.
8622         (Sized_relobj::get_symbol_location_info): Adjust section links.
8623         Don't get fooled by special symbols.
8624         * object.h (class Xindex): Define.
8625         (class Object): Add xindex_ parameter.  Declare virtual functoin
8626         do_initialize_xindex.
8627         (Object::adjust_sym_shndx): New function.
8628         (Object::set_xindex): New protected function.
8629         (class Symbol_value): Add is_ordinary_shndx_ field.
8630         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8631         (Symbol_value::value): Assert ordinary section.
8632         (Symbol_value::initialize_input_to_output_map): Likewise.
8633         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8634         Change all callers.
8635         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8636         all callers.
8637         (class Sized_relobj): Update declarations.
8638         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8639         parameter.  Change all callers.
8640         (Sized_relobj::adjust_shndx): New function.
8641         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8642         field.
8643         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8644         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8645         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8646         (Sized_dynobj::read_dynsym_section): Adjust section links.
8647         (Sized_dynobj::read_dynamic): Likewise.
8648         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8649         section links.
8650         (Sized_dynobj::do_initialize_xindex): New function.
8651         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8652         do_initialize_xindex.
8653         (Sized_dynobj::adjust_shndx): New function.
8654         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8655         dynsym_xindex_ fields.
8656         (Layout::finalize): Add a call to set_section_indexes before
8657         creating the symtab sections.
8658         (Layout::set_section_indexes): Don't do anything if the section
8659         already has a section index.
8660         (Layout::create_symtab_sections): Add shnum parameter.  Change
8661         caller.  Create .symtab_shndx section if needed.
8662         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8663         caller.
8664         (Layout::allocated_output_section_count): New function.
8665         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8666         needed.
8667         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8668         fields.  Update declarations.
8669         (Layout::symtab_xindex): New function.
8670         (Layout::dynsym_xindex): New function.
8671         (class Write_symbols_task): Add layout_ field.
8672         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8673         Change caller.
8674         * output.cc (Output_section_headers::Output_section_headers): Add
8675         shstrtab_section parameter.  Change all callers.
8676         (Output_section_headers::do_sized_write): Store overflow values
8677         for section count and section string table section index in
8678         section header zero.
8679         (Output_file_header::do_sized_write): Check for overflow of
8680         section count and section string table section index.
8681         (Output_symtab_xindex::do_write): New function.
8682         (Output_symtab_xindex::endian_do_write): New function.
8683         * output.h (class Output_section_headers): Add shstrtab_section_.
8684         Update declarations.
8685         (class Output_symtab_xindex): Define.
8686         (Output_section::has_out_shndx): New function.
8687         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8688         field.
8689         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8690         Change all callers.
8691         (Sized_symbol::init): Likewise.
8692         (Symbol::output_section): Check for ordinary symbol.
8693         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8694         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8695         callers.
8696         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8697         Change all callers.  Simplify handling of symbols from sections
8698         not included in the link.
8699         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8700         distinction.
8701         (Weak_alias_sorter::operator()): Assert that symbols are
8702         ordinary.
8703         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8704         distinction.
8705         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8706         parameters.  Change all callers.
8707         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8708         symbol distinction.  Use SHN_XINDEX when needed.
8709         (Symbol_table::write_section_symbol): Add symtab_xindex
8710         parameter.  Change all callers.
8711         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8712         SHN_XINDEX when needed.
8713         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8714         declarations.
8715         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8716         (Symbol::is_defined): Check is_ordinary.
8717         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8718         (Symbol::is_absolute, Symbol::is_common): Likewise.
8719         (class Sized_symbol): Update declarations.
8720         (class Symbol_table): Update declarations.
8721         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8722         parameters.  Change all callers.
8723         (Sized_symbol::override): Likewise.
8724         (Symbol_table::override): Likewise.
8725         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8726         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8727         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8728         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8729         to be in an ordinary section.
8730         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8731         object and is_ordinary parameters.  Change all callers.
8732         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8733         Change all callers.  Don't add undefined or non-ordinary symbols
8734         to reloc_map_.
8735         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8736         Change all callers.
8737         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8738         declarations.
8739         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8740         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8741         (Sized_relobj::relocate_sections): Likewise.
8742         * target-reloc.h (scan_relocs): Adjust section symbol index.
8743         (scan_relocatable_relocs): Likewise.
8744         * i386.cc (Scan::local): Check for ordinary symbols.
8745         * sparc.cc (Scan::local): Likewise.
8746         * x86_64.cc (Scan::local): Likewise.
8747         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8748         to symbol_section_and_value.
8749         * testsuite/many_sections_test.cc: New file.
8750         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8751         (check_PROGRAMS): Add many_sections_test.
8752         (many_sections_test_SOURCES): Define.
8753         (many_sections_test_DEPENDENCIES): Define.
8754         (many_sections_test_LDFLAGS): Define.
8755         (BUILT_SOURCES): Add many_sections_define.h.
8756         (many_sections_define.h): New target.
8757         (BUILT_SOURCES): Add many_sections_check.h.
8758         (many_sections_check.h): New target.
8759         (check_PROGRAMS): Add many_sections_r_test.
8760         (many_sections_r_test_SOURCES): Define.
8761         (many_sections_r_test_DEPENDENCIES): Define.
8762         (many_sections_r_test_LDFLAGS): Define.
8763         (many_sections_r_test_LDADD): Define.
8764         (many_sections_r_test.o): New target.
8765         * testsuite/Makefile.in: Rebuild.
8767 2008-04-17  Cary Coutant  <ccoutant@google.com>
8769         * errors.cc (Errors::info): New function.
8770         (gold_info): New function.
8771         * errors.h (Errors::info): New function.
8772         * gold.h (gold_info): New function.
8773         * object.cc (Input_objects::add_object): Print trace output.
8774         * options.cc (options::parse_set): New function.
8775         (General_options::parse_wrap): Deleted.
8776         (General_options::General_options): Deleted initializer.
8777         * options.h (options::String_set): New typedef.
8778         (options::parse_set): New function.
8779         (DEFINE_set): New macro.
8780         (General_options::wrap): Changed to use DEFINE_set. Changed
8781         callers of any_wrap_symbols and is_wrap_symbol.
8782         (General_options::trace, General_options::trace_symbol):
8783         New options.
8784         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8785         (General_options::wrap_symbols_): Deleted.
8786         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8788 2008-04-17  David S. Miller  <davem@davemloft.net>
8790         * options.cc (General_options::parse_V): New function.
8791         * options.h: Add entries for -V and -Qy.
8793 2008-04-17  Ian Lance Taylor  <iant@google.com>
8795         * common.cc (Symbol_table::allocate_commons): Remove options
8796         parameter.  Change caller.
8797         (Symbol_table::do_allocate_commons): Remove options parameter.
8798         Change caller.  Just call do_allocate_commons_list twice.
8799         (Symbol_table::do_allocate_commons_list): New function, broken out
8800         of do_allocate_commons.
8801         * common.h (class Allocate_commons_task): Remove options_ field.
8802         Update constructor.
8803         * symtab.cc (Symbol_table::Symbol_table): Initialize
8804         tls_commons_.
8805         (Symbol_table::add_from_object): Put TLS common symbols on
8806         tls_commons_ list.
8807         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8808         which are IN_OUTPUT_DATA.
8809         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8810         allocate_commons and do_allocate_commons declarations.  Declare
8811         do_allocate_commons_list.
8812         * gold.cc (queue_middle_tasks): Update creation of
8813         Allocate_commons_task to not pass options.
8814         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8815         (TLS_TEST_C_FLAGS): New variable.
8816         (tls_test_c_pic.o): New target.
8817         (tls_test_shared.so): Link in tls_test_c_pic.o.
8818         (tls_test_c_pic_ie.o): New target.
8819         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8820         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8821         (tls_test_c.o): New target.
8822         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8823         (tls_pic_test_LDADD): Likewise.
8824         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8825         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8826         (tls_test_c_gnu2.o): New target.
8827         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8828         tls_test_c_gnu2.o.
8829         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8830         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8831         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8832         * testsuite/tls_test.cc: Include "config.h".
8833         (t_last): Call t11_last.
8834         * testsuite/tls_test.h (t11, t11_last): Declare.
8835         * testsuite/tls_test_c.c: New file.
8836         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8837         * configure.ac: Check for OpenMP support.
8838         * configure, config.in, Makefile.in: Rebuild.
8839         * testsuite/Makefile.in: Rebuild.
8841 2008-04-16  Cary Coutant  <ccoutant@google.com>
8843         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8844         (Target_i386::tls_base_symbol_defined_): New field.
8845         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8846         (Target_i386::Scan::global): Likewise.
8847         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8848         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8849         (Target_x86_64::tls_base_symbol_defined_): New field.
8850         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8851         (Target_x86_64::Scan::global): Likewise.
8853 2008-04-16  Cary Coutant  <ccoutant@google.com>
8855         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8856         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8857         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8858         building shared libraries.
8859         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8860         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8861         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8862         * testsuite/Makefile.in: Rebuild.
8863         * testsuite/weak_undef.h: New file.
8864         * testsuite/weak_undef_file1.cc: Add extra test cases.
8865         * testsuite/weak_undef_file2.cc: Likewise.
8866         * testsuite/weak_undef_test.cc: Likewise.
8868 2008-04-16  David S. Miller  <davem@davemloft.net>
8870         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8871         Add issued_non_pic_error_ field.  Declare check_non_pic.
8872         (Target_sparc::Scan::check_non_pic): New function.
8873         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8874         (Target_sparc::Scan::global): Likewise.
8876         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8877         * configure: Rebuild.
8879         * options.h (DEFINE_enable): New macro.
8880         (new_dtags): New enable option.
8881         (initfirst, interpose, loadfltr, nodefaultlib,
8882         nodelete, nodlopen, nodump): New -z options.
8883         * layout.cc (Layout:finish_dynamic_section): If new
8884         dtags enabled, emit DT_RUNPATH.  Also, emit a
8885         DT_FLAGS_1 containing any specified -z flags.
8887 2008-04-16  Ian Lance Taylor  <iant@google.com>
8889         * copy-relocs.cc: New file.
8890         * copy-relocs.h: New file.
8891         * reloc.cc: Remove Copy_relocs code.
8892         * reloc.h: Likewise.
8893         * reloc-types.h (struct Reloc_types) [both versions]: Add
8894         get_reloc_addend_noerror.
8895         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8896         variants of add_global which take an addend which must be zero.
8897         * i386.cc: Include "copy-relocs.h".
8898         (class Target_i386): Change type of copy_relocs_ to variable,
8899         update initializer.
8900         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8901         Change all callers.
8902         (Target_i386::do_finalize_sections): Change handling of
8903         copy_relocs_.
8904         * sparc.cc: Include "copy-relocs.h".
8905         (class Target_sparc): Change type of copy_relocs_ to variable,
8906         update initializer.
8907         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8908         Change all callers.
8909         (Target_sparc::do_finalize_sections): Change handling of
8910         copy_relocs_.
8911         * x86_64.cc: Include "copy-relocs.h".
8912         (class Target_x86_64): Change type of copy_relocs_ to variable,
8913         update initializer.
8914         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8915         class.  Change all callers.
8916         (Target_x86_64::do_finalize_sections): Change handling of
8917         copy_relocs_.
8918         * Makefile.am (CCFILES): Add copy-relocs.cc.
8919         (HFILES): Add copy-relocs.h.
8921         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8923         * testsuite/script_test_4.sh: Permit leading zeroes.
8925 2008-04-15  Ian Lance Taylor  <iant@google.com>
8927         * script-sections.cc (Script_sections::create_segments): Use
8928         header_size_adjustment even when there is enough room for the
8929         headers.
8930         * testsuite/script_test_4.sh: New file.
8931         * testsuite/script_test_4.t: New file.
8932         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8933         (check_DATA): Add script_test_4.stdout.
8934         (MOSTLYCLEANFILES): Likewise.
8935         (script_test_4): New target.
8936         (script_test_4.stdout): New target.
8937         * testsuite/Makefile.in: Rebuild.
8939         * sparc.cc: Add definitions for Output_data_plt_sparc class
8940         constants.
8942 2008-04-14  David S. Miller  <davem@davemloft.net>
8944         * sparc.cc: New file.
8945         * Makefile.am (TARGETSOURCES): Add sparc.cc
8946         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8947         * configure.tgt: Document targ_extra_size and
8948         targ_extra_big_endian.  Add entries for sparc-* and
8949         sparc64-*.
8950         * configure.ac: Handle targ_extra_size and
8951         targ_extra_big_endian.
8952         * Makefile.in: Rebuild.
8953         * configure: Likewise.
8954         * po/POTFILES.in: Likewise.
8955         * po/gold.pot: Likewise.
8957 2008-04-14  Ian Lance Taylor  <iant@google.com>
8959         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8960         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8961         in the name/type/flags to section mapping.  Don't call
8962         allocate_output_section.
8963         (Layout::choose_output_section): Change parameter from adjust_name
8964         to is_input_section.  Don't permit input sections after sections
8965         are attached to segments.  Don't call allocate_output_section.
8966         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8967         not write_enable_output_section.
8968         (Layout::make_output_section): Don't push to
8969         unattached_section_list_ nor call attach_to_segment.  Call
8970         attach_section_to_segment if sections are attached.
8971         (Layout::attach_sections_to_segments): New function.
8972         (Layout::attach_section_to_segment): New function.
8973         (Layout::attach_allocated_section_to_segment): Rename from
8974         attach_to_segment.  Remove flags parameter.
8975         (Layout::allocate_output_section): Remove function.
8976         (Layout::write_enable_output_section): Remove function.
8977         * layout.h (class Layout): Update for above changes.  Add new
8978         field sections_are_attached_.
8979         * output.h (Output_section::update_flags_for_input_section): New
8980         function.
8981         * output.cc (Output_section::add_input_section): Call
8982         update_flags_for_input_section.
8983         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8985 2008-04-11  Cary Coutant  <ccoutant@google.com>
8987         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8988         thought unnecessary.
8989         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8991 2008-04-11  Ian Lance Taylor  <iant@google.com>
8993         * output.h (class Output_section_data): Remove inline definition
8994         of set_addralign.
8995         * output.cc (Output_section_data::set_addralign): New function.
8997 2008-04-11  Cary Coutant  <ccoutant@google.com>
8999         Add support for TLS descriptors for i386 and x86_64.
9000         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9001         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9002         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9003         GOT_TYPE_TLS_DESC.
9004         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9005         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9006         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9007         relocations.
9008         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9009         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9010         Fix problem with initial-exec relocations.
9011         (Target_i386::Relocate::relocate_tls): Likewise.
9012         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9013         relaxation.
9014         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9015         support for section-plus-offset dynamic table entries.
9016         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9017         (Output_data_dynamic::Dynamic_entry): Add support for
9018         section-plus-offset dynamic table entries.
9019         (Output_data_dynamic::Classification): Likewise.
9020         (Output_data_dynamic::classification_): Renamed offset_.
9021         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9022         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9023         (Target_x86_64::make_plt_section): New function.
9024         (Target_x86_64::reserve_tlsdesc_entries): New function.
9025         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9026         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9027         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9028         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9029         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9030         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9031         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9032         add extra PLT entry for TLS descriptors.
9033         (Output_data_plt_x86_64::got_): New field.
9034         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9035         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9036         fields.
9037         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9038         descriptors.
9039         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9040         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9041         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9042         R_386_TLS_DESC_CALL relocations.
9043         (Target_x86_64::Scan::global): Likewise.
9044         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9045         for TLS descriptors.
9046         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9047         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9048         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9049         GD-to-IE relaxation.
9050         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9051         and TLS_DESCRIPTORS.
9052         * Makefile.in: Rebuild.
9053         * configure: Rebuild.
9054         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9055         (tls_test_shared2.so): New target.
9056         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9057         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9058         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9059         (tls_shared_gd_to_ie_test_LDADD): New variable.
9060         (tls_shared_gnu2_gd_to_ie_test): New target.
9061         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9062         New targets.
9063         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9064         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9065         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9066         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9067         (tls_shared_gnu2_test): New target.
9068         (tls_test_gnu2_shared.so): New target.
9069         (tls_shared_gnu2_test_SOURCES): New variable.
9070         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9071         (tls_shared_gnu2_test_LDFLAGS): New variable.
9072         (tls_shared_gnu2_test_LDADD): New variable.
9073         * testsuite/Makefile.in: Rebuild.
9074         * testsuite/Makefile.
9076 2008-04-11  Ian Lance Taylor  <iant@google.com>
9078         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9079         justsyms.t.
9080         * testsuite/Makefile.in: Rebuild.
9082         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9083         long.
9084         * testsuite/script_test_2.cc (main): Adjust test.
9086 2008-04-11  David S. Miller  <davem@davemloft.net>
9087             Ian Lance Taylor  <iant@google.com>
9089         * options.h (General_options): Add entries for '-Y' and
9090         '-relax'.
9091         * options.cc (General_options:finalize): If -Y was used, add those
9092         entries to the library path instead of the default "/lib" and
9093         "/usr/lib".
9095 2008-04-11  David S. Miller  <davem@davemloft.net>
9097         * testsuite/justsyms.t: Start at 0x100.
9098         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9099         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9100         long.
9101         * testsuite/script_test_2.cc: Adjust string and section length
9102         checks.
9104 2008-04-09  Ian Lance Taylor  <iant@google.com>
9106         PR gold/5996
9107         * script-sections.cc (Sections_element::allocate_to_segment): Add
9108         orphan parameter.
9109         (Output_section_definition::allocate_to_segment): Likewise.
9110         (Orphan_output_section::allocate_to_segment): Likewise.
9111         (Script_sections::attach_sections_using_phdrs_clause): Don't
9112         propagate non-PT_LOAD segments to orphan sections.
9113         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9114         readelf rather than objdump.
9115         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9116         .interp section and PT_INTERP segment are the same size.
9117         * testsuite/Makefile.in: Rebuild.
9119         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9120         aliases for symbols defined in the same object.
9121         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9122         (weak_alias_test_SOURCES): New variable.
9123         (weak_alias_test_DEPENDENCIES): New variable.
9124         (weak_alias_test_LDFLAGS): New variable.
9125         (weak_alias_test_LDADD): New variable.
9126         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9127         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9128         (weak_alias_test_3.o): New target.
9129         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9130         * testsuite/weak_alias_test_main.cc: New file.
9131         * testsuite/weak_alias_test_1.cc: New file.
9132         * testsuite/weak_alias_test_2.cc: New file.
9133         * testsuite/weak_alias_test_3.cc: New file.
9135 2008-04-08  Ian Lance Taylor  <iant@google.com>
9137         * options.h (class General_options): Add --noinhibit-exec option.
9138         * main.cc (main): Check --noinhibit-exec.
9140         * options.h (class General_options): Define --wrap as a special
9141         option.  Add wrap_symbols_ field.
9142         (General_options::any_wrap_symbols): New function.
9143         (General_options::is_wrap_symbol): New function.
9144         * options.cc (General_options::parse_wrap): New function.
9145         (General_options::General_options): Initialize wrap_symbols_.
9146         * symtab.cc (Symbol_table::wrap_symbol): New function.
9147         (Symbol_table::add_from_object): Handle --wrap.
9148         * symtab.h (class Symbol_table): Declare wrap_symbol.
9149         * target.h (Target::wrap_char): New function.
9150         (Target::Target_info): Add wrap_char field.
9151         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9152         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9153         * testsuite/testfile.cc (Target_test::test_target_info):
9154         Likewise.
9156         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9157         there is one.
9159         * layout.h (class Layout): Add added_eh_frame_data_ field.
9160         * layout.cc (Layout::Layout): Initialize new field.
9161         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9162         output section until we find a section we merged successfully.
9163         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9164         that the size be non-zero.
9166         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9167         qualifier.
9169 2008-04-08  Craig Silverstein  <csilvers@google.com>
9171         * configure.ac: Export new conditional variable HAVE_ZLIB.
9172         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9173         on HAVE_ZLIB.
9174         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9175         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9177 2008-04-07  Ian Lance Taylor  <iant@google.com>
9179         * version.cc (version_string): Set to "1.5".
9181         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9182         Add issued_non_pic_error_ field.  Declare check_non_pic.
9183         (Target_x86_64::Scan::check_non_pic): New function.
9184         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9185         (Target_x86_64::Scan::global): Likewise.
9187         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9188         addend parameter.  Change caller.  Handle merge sections.
9189         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9190         Address to Addend.  Don't add in the result of
9191         local_section_offset, pass down the addend and use the returned
9192         value.
9193         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9194         Update declarations of local_section_offset and symbol_value.
9195         * testsuite/two_file_test_1.cc (t18): New function.
9196         * testsuite/two_file_test_2.cc (f18): New function.
9197         * testsuite/two_file_test_main.cc (main): Call t18.
9198         * testsuite/two_file_test.h (t18, f18): Declare.
9200         * configure.ac: Don't test for objdump, c++filt, or readelf.
9201         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9202         conditionals.
9203         (TEST_READELF): New variable.
9204         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9205         (check_PROGRAMS): Add two_file_strip_test.
9206         (two_file_strip_test): New target.
9207         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9208         (two_file_same_shared_strip_test_SOURCES): New variable.
9209         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9210         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9211         (two_file_same_shared_strip_test_LDADD): New variable.
9212         (two_file_shared_strip.so): New target.
9213         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9214         (ver_test_5.syms, ver_test_7.syms): Likewise.
9215         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9216         (strip_test_3.stdout): Use TEST_OBJDUMP.
9217         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9219 2008-04-04  Cary Coutant  <ccoutant@google.com>
9221         * symtab.h (Symbol::is_weak_undefined): New function.
9222         (Symbol::is_strong_undefined): New function.
9223         (Symbol::is_absolute): New function.
9224         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9225         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9226         absolute symbols.
9227         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9228         (weak_undef_test): New target.
9229         * testsuite/Makefile.in: Rebuild.
9230         * testsuite/weak_undef_file1.cc: New file.
9231         * testsuite/weak_undef_file2.cc: New file.
9232         * testsuite/weak_undef_test.cc: New file.
9234 2008-04-03  Craig Silverstein  <csilvers@google.com>
9236         * compressed_output.h (class Output_compressed_section): Use
9237         unsigned buffer.
9238         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9239         add zlib header.
9240         (zlib_compressed_suffix): Removed.
9241         (Output_compressed_section::set_final_data_size): Use unsigned
9242         buffers.
9243         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9244         Fix linker invocation.
9245         (flagstest_o_specialfile_and_compress_debug_sections):
9246         Likewise.
9247         * testsuite/Makefile.in: Regenerated.
9249 2008-04-02  David S. Miller  <davem@davemloft.net>
9251         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9252         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9254 2008-04-02  Craig Silverstein  <csilvers@google.com>
9256         * TODO: New file.
9258 2008-04-02  Ian Lance Taylor  <iant@google.com>
9260         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9261         parameters.  Update for new key type to views_.  Change all
9262         callers.
9263         (File_read::read): Adjust for byteshift in returned view.
9264         (File_read::add_view): New function, broken out of
9265         find_and_make_view.
9266         (File_read::make_view): New function, broken out of
9267         find_and_make_view.
9268         (File_read::find_or_make_view): Add offset and aligned
9269         parameters.  Rewrite accordingly.  Change all callers.
9270         (File_read::get_view): Add offset and aligned parameters.  Adjust
9271         for byteshift in return value.
9272         (File_read::get_lasting_view): Likewise.
9273         * fileread.h (class File_read): Update declarations.
9274         (class File_read::View): Add byteshift_ field.  Add byteshift to
9275         constructor.  Add byteshift method.
9276         * archive.h (Archive::clear_uncached_views): New function.
9277         (Archive::get_view): Add aligned parameter.  Change all callers.
9278         * object.h (Object::get_view): Add aligned parameter.  Change all
9279         callers.
9280         (Object::get_lasting_view): Likewise.
9282         * fileread.cc (File_read::release): Don't call clear_views if
9283         there are multiple objects.
9284         * fileread.h (File_read::clear_uncached_views): New function.
9285         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9286         on the archive.
9288 2008-03-31  Cary Coutant  <ccoutant@google.com>
9290         Add thin archive support.
9291         * archive.cc (Archive::armagt): New const.
9292         (Archive::setup): Remove task parameter and calls to unlock.
9293         (Archive::unlock_nested_archives): New function.
9294         (Archive::read_header): Add nested_off parameter. Change
9295         all callers.
9296         (Archive::interpret_header): Likewise.
9297         (Archive::include_all_members): Change to handle thin
9298         archives.
9299         (Archive::include_member): Likewise.
9300         * archive.h (Archive::Archive): Add new parameters and
9301         initializers.
9302         (Archive::armagt): New const.
9303         (Archive::setup): Remove task parameter.
9304         (Archive::unlock_nested_archives): New function.
9305         (Archive::read_header): Add nested_off parameter.
9306         (Archive::interpret_header): Likewise.
9307         (Archive::Nested_archive_table): New typedef.
9308         (Archive::is_thin_archive_): New field.
9309         (Archive::nested_archives_): New field.
9310         (Archive::options_): New field.
9311         (Archive::dirpath_): New field.
9312         (Archive::task_): New field.
9313         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9314         for thin archives.  Pass additional parameters to
9315         Archive::Archive.  Unlock the archive file after calling
9316         Archive::setup.
9318 2008-03-29  Ian Lance Taylor  <iant@google.com>
9320         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9321         version symbol to be local.
9322         * testsuite/ver_test_4.sh: New file.
9323         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9324         (check_DATA): Add ver_test_4.syms.
9325         (ver_test_4.syms): New target.
9326         * testsuite/Makefile.in: Rebuild.
9328         * output.cc
9329         (Output_section::Input_section_sort_entry::has_priority): New
9330         function.
9331         (Output_section::Input_section_sort_entry::match_file_name): New
9332         function.
9333         (Output_section::Input_section_sort_entry::match_section_name):
9334         Remove.
9335         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9336         Remove.
9337         (Output_section::Input_section_sort_entry::match_section_file):
9338         Remove.
9339         (Output_section::Input_section_sort_compare::operator()): Rewrite
9340         using new Input_section_sort_entry functions.  Sort crtbegin and
9341         crtend first.  Sort sections with no priority before sections with
9342         a priority.
9343         * testsuite/initpri1.c (d3): Check j != 4.
9344         (cd5): New constructor/destructor function.
9345         (main): Check j != 2.
9347         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9348         new symbol when resolving, don't call set_is_default.
9349         * testsuite/ver_test_7.cc: New file.
9350         * testsuite/ver_test_7.sh: New file.
9351         * testsuite/Makefile.am (ver_test_7.so): New target.
9352         (ver_test_7.o): New target.
9353         (check_SCRIPTS): Add ver_test_7.sh.
9354         (check_DATA): Add ver_test_7.syms.
9355         (ver_test_7.syms): New target.
9357 2008-03-28  Ian Lance Taylor  <iant@google.com>
9359         * layout.cc (Layout::layout): If we see an input section with a
9360         name that needs sorting, set the must_sort flag for the output
9361         section.
9362         (Layout::make_output_section): If the name of the output section
9363         indicates that it might require sorting, set the may_sort flag.
9364         * output.h (Output_section::may_sort_attached_input_sections): New
9365         function.
9366         (Output_section::set_may_sort_attached_input_sections): New
9367         function.
9368         (Output_section::must_sort_attached_input_sections): New
9369         function.
9370         (Output_section::set_must_sort_attached_input_sections): New
9371         function.
9372         (class Output_section): Declare Input_section_sort_entry.  Define
9373         Input_section_sort_compare.  Declare
9374         sort_attached_input_sections.  Add new fields:
9375         may_sort_attached_input_sections_,
9376         must_sort_attached_input_sections_,
9377         attached_input_sections_are_sorted_.
9378         * output.cc (Output_section::Output_section): Initialize new
9379         fields.
9380         (Output_section::add_input_section): Add an entry to
9381         input_sections_ if may_sort or must_sort are true.
9382         (Output_section::set_final_data_size): Call
9383         sort_attached_input_sections if necessary.
9384         (Output_section::Input_section_sort_entry): Define new class.
9385         (Output_section::Input_section_sort_compare::operator()): New
9386         function.
9387         (Output_section::sort_attached_input_sections): New function.
9388         * configure.ac: Check whether the compiler supports constructor
9389         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9390         * testsuite/initpri1.c: New file.
9391         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9392         CONSTRUCTOR_PRIORITY.
9393         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9394         (initpri1_LDFLAGS): New variable.
9395         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9397 2008-03-27  Ian Lance Taylor  <iant@google.com>
9399         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9400         * testsuite/common_test_1.c: New file.
9401         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9402         (common_test_1_SOURCES): New variable.
9403         (common_test_1_DEPENDENCIES): New variable.
9404         (common_test_1_LDFLAGS): New variable.
9406         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9407         and commons_ correctly when NAME/VERSION does not override
9408         NAME/NULL.
9409         * testsuite/ver_test_6.c: New file.
9410         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9411         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9412         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9414 2008-03-26  Ian Lance Taylor  <iant@google.com>
9416         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9417         of an undefined symbol from a version script.
9418         * testsuite/Makefile.am (ver_test_5.so): New target.
9419         (ver_test_5.o): New target.
9420         (check_SCRIPTS): Add ver_test_5.sh.
9421         (check_DATA): Add ver_test_5.syms.
9422         (ver_test_5.syms): New target.
9423         * testsuite/ver_test_5.cc: New file.
9424         * testsuite/ver_test_5.script: New file.
9425         * testsuite/ver_test_5.sh: New file.
9426         * Makefile.in, testsuite/Makefile.in: Rebuild.
9428         PR gold/5986
9429         Fix problems building gold with gcc 4.3.0.
9430         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9431         (gold_error_at_location, gold_warning_at_location): Use it.
9432         * configure.ac: Check whether we can compile and use a template
9433         function with a printf attribute.
9434         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9435         when jumping over bytes.
9436         * object.cc: Instantiate Object::read_section_data.
9437         * debug.h: Include <cstring>
9438         * dwarf_reader.cc: Include <algorithm>
9439         * main.cc: Include <cstring>.
9440         * options.cc: Include <cstring>.
9441         * output.cc: Include <cstring>.
9442         * script.cc: Include <cstring>.
9443         * script.h: Include <string>.
9444         * symtab.cc: Include <cstring> and <algorithm>.
9445         * target-select.cc: Include <cstring>.
9446         * version.cc: Include <string>.
9447         * testsuite/testmain.cc: Include <cstdlib>.
9448         * configure, config.in: Rebuild.
9450 2008-03-25  Ian Lance Taylor  <iant@google.com>
9452         * options.cc: Include "../bfd/bfdver.h".
9453         (options::help): Print bug reporting address.
9455         * version.cc (print_version): Adjust output for current value of
9456         BFD_VERSION_STRING.
9458         * NEWS: New file.
9460         * options.cc (options::help): Print list of supported targets.
9461         * target-select.h: Include <vector>.
9462         (class Target_selector): Make machine_, size_, and is_big_endian_
9463         fields const.  Add bfd_name_ and instantiated_target_ fields.
9464         (Target_selector::Target_selector): Add bfd_name parameter.
9465         (Target_selector::recognize): Make non-virtual, call
9466         do_recognize.
9467         (Target_selector::recognize_by_name): Make non-virtual, call
9468         do_recognize_by_name.
9469         (Target_selector::supported_names): New function.
9470         (Target_selector::bfd_name): New function.
9471         (Target_selector::do_instantiate_target): New pure virtual
9472         function.
9473         (Target_selector::do_recognize): New virtual function.
9474         (Target_selector::do_recognize_by_name): New virtual function.
9475         (Target_selector::instantiate_target): New private function.
9476         (supported_target_names): Declare.
9477         * target-select.cc (Target_selector::Target_selector): Update for
9478         new parameter and fields.
9479         (select_target_by_name): Check that the name matches before
9480         calling recognize_by_name.
9481         (supported_target_names): New function.
9482         * i386.cc (class Target_selector_i386): Update Target_selector
9483         constructor call.  Remove recognize and recognize_by_name.  Add
9484         do_instantiate_target.
9485         * x86_64.cc (class Target_selector_x86_64): Likewise.
9486         * testsuite/testfile.cc (class Target_selector_test): Update for
9487         changes to Target_selector.
9489         * README: Rewrite, with some notes on unsupported features.
9491 2008-03-24  Cary Coutant  <ccoutant@google.com>
9493         * i386.cc (Target_i386::Got_type): New enum declaration.
9494         (Target_i386::Scan::local): Updated callers of Output_data_got
9495         member functions.
9496         (Target_i386::Scan::global): Likewise.
9497         (Target_i386::Relocate::relocate): Likewise.
9498         (Target_i386::Relocate::relocate_tls): Likewise.
9499         * object.h (Got_offset_list): New class.
9500         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9501         (Sized_relobj::local_got_offset): Likewise.
9502         (Sized_relobj::set_local_got_offset): Likewise.
9503         (Sized_relobj::local_has_tls_got_offset): Removed.
9504         (Sized_relobj::local_tls_got_offset): Removed.
9505         (Sized_relobj::set_local_tls_got_offset): Removed.
9506         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9507         * output.cc (Output_data_got::add_global): Added got_type parameter.
9508         (Output_data_got::add_global_with_rel): Likewise.
9509         (Output_data_got::add_global_with_rela): Likewise.
9510         (Output_data_got::add_global_pair_with_rel): New function.
9511         (Output_data_got::add_global_pair_with_rela): New function.
9512         (Output_data_got::add_local): Added got_type parameter.
9513         (Output_data_got::add_local_with_rel): Likewise.
9514         (Output_data_got::add_local_with_rela): Likewise.
9515         (Output_data_got::add_local_pair_with_rel): New function.
9516         (Output_data_got::add_local_pair_with_rela): New function.
9517         (Output_data_got::add_global_tls): Removed.
9518         (Output_data_got::add_global_tls_with_rel): Removed.
9519         (Output_data_got::add_global_tls_with_rela): Removed.
9520         (Output_data_got::add_local_tls): Removed.
9521         (Output_data_got::add_local_tls_with_rel): Removed.
9522         (Output_data_got::add_local_tls_with_rela): Removed.
9523         * output.h (Output_data_got::add_global): Added got_type parameter.
9524         (Output_data_got::add_global_with_rel): Likewise.
9525         (Output_data_got::add_global_with_rela): Likewise.
9526         (Output_data_got::add_global_pair_with_rel): New function.
9527         (Output_data_got::add_global_pair_with_rela): New function.
9528         (Output_data_got::add_local): Added got_type parameter.
9529         (Output_data_got::add_local_with_rel): Likewise.
9530         (Output_data_got::add_local_with_rela): Likewise.
9531         (Output_data_got::add_local_pair_with_rel): New function.
9532         (Output_data_got::add_local_pair_with_rela): New function.
9533         (Output_data_got::add_global_tls): Removed.
9534         (Output_data_got::add_global_tls_with_rel): Removed.
9535         (Output_data_got::add_global_tls_with_rela): Removed.
9536         (Output_data_got::add_local_tls): Removed.
9537         (Output_data_got::add_local_tls_with_rel): Removed.
9538         (Output_data_got::add_local_tls_with_rela): Removed.
9539         * resolve.cc (Symbol::override_base_with_special): Removed
9540         reference to has_got_offset_ field.
9541         * symtab.cc (Symbol::init_fields): Replaced initialization
9542         of got_offset_ with got_offsets_.  Removed initialization
9543         of has_got_offset_
9544         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9545         (Symbol::got_offset): Likewise.
9546         (Symbol::set_got_offset): Likewise.
9547         (Symbol::has_tls_got_offset): Removed.
9548         (Symbol::tls_got_offset): Removed.
9549         (Symbol::set_tls_got_offset): Removed.
9550         (Symbol::got_offset_): Removed.
9551         (Symbol::tls_mod_got_offset_): Removed.
9552         (Symbol::tls_pair_got_offset_): Removed.
9553         (Symbol::got_offsets_): New field.
9554         (Symbol::has_got_offset): Removed.
9555         (Symbol::has_tls_mod_got_offset): Removed.
9556         (Symbol::has_tls_pair_got_offset): Removed.
9557         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9558         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9559         member functions.
9560         (Target_x86_64::Scan::global): Likewise.
9561         (Target_x86_64::Relocate::relocate): Likewise.
9562         (Target_x86_64::Relocate::relocate_tls): Likewise.
9564 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9566         * yyscript.y: Fix spelling error in comment.
9568 2008-03-24  Ian Lance Taylor  <iant@google.com>
9570         * options.h (class General_options): Define build_id option.
9571         * layout.h (class Layout): Declare write_build_id, create_note,
9572         create_build_id.  Add build_id_note_ member.
9573         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9574         "libiberty.h", "md5.h", "sha1.h".
9575         (Layout::Layout): Initialize eh_frame_data_,
9576         eh_frame_hdr_section_, and build_id_note_.
9577         (Layout::finalize): Call create_build_id.
9578         (Layout::create_note): New function, broken out of
9579         Layout::create_gold_note.
9580         (Layout::create_gold_note): Call create_note.
9581         (Layout::create_build_id): New function.
9582         (Layout::write_build_id): New function.
9583         (Close_task_runner::run): Call write_build_id.
9585         * x86_64.cc: Correct license to GPLv3.
9587 2008-03-23  Ian Lance Taylor  <iant@google.com>
9589         * options.cc: Include "demangle.h".
9590         (parse_optional_string): New function.
9591         (parse_long_option): Handle takes_optional_argument.
9592         (parse_short_option): Update dash_z initializer.  Handle
9593         takes_optional_argument.
9594         (General_options::General_options): Initialize do_demangle_.
9595         (General_options::finalize): Set do_demangle_.  Handle demangling
9596         style.
9597         * options.h (parse_optional_string): Declare.
9598         (struct One_option): Add optional_arg field.  Update constructor.
9599         Update call constructor calls.  Add takes_optional_argument
9600         function.
9601         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9602         (DEFINE_optional_string): Define.
9603         (General_options::demangle): Change from DEFINE_bool to
9604         DEFINE_optional_string.
9605         (General_options::no_demangle): New function.
9606         (General_options::do_demangle): New function.
9607         (General_options::set_do_demangle): New function.
9608         (General_options::execstack_status_): Move definition to end of
9609         class definition.
9610         (General_options::static_): Likewise.
9611         (General_options::do_demangle_): New field.
9612         * object.cc (big_endian>::get_symbol_location_info): Call
9613         Options::do_demangle, not Options::demangle.
9614         * symtab.cc (demangle): Likewise.
9616 2008-03-22  Ian Lance Taylor  <iant@google.com>
9618         * gold.h: Include <cstddef> and <sys/types.h>
9619         * options.h: Include <cstring>.
9621 2008-03-21  Ian Lance Taylor  <iant@google.com>
9623         * Added source code to GNU binutils.