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[binutils.git] / gold / ChangeLog
blob8974f8cb05487104a5054745c3dcba4f1763ebe8
1 2011-01-25  Ian Lance Taylor  <iant@google.com>
3         * script.cc (script_add_extern): Rewrite to use
4         add_symbol_reference.
6 2011-01-25  Doug Kwan  <dougkwan@google.com>
8         * icf.cc (get_section_contents): Always lock section's object.
10 2011-01-24  Ian Lance Taylor  <iant@google.com>
12         * options.h (class General_options): Accept
13         --no-detect-odr-violations.
15 2011-01-24  Ian Lance Taylor  <iant@google.com>
17         * version.cc (version_string): Bump to 1.11.
19 2011-01-24  Ian Lance Taylor  <iant@google.com>
21         * plugin.cc (class Plugin_rescan): Define new class.
22         (Plugin_manager::claim_file): Set any_claimed_.
23         (Plugin_manager::save_archive): New function.
24         (Plugin_manager::save_input_group): New function.
25         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
26         necessary.
27         (Plugin_manager::new_undefined_symbol): New function.
28         (Plugin_manager::rescan): New function.
29         (Plugin_manager::rescannable_defines): New function.
30         (Plugin_manager::add_input_file): Set any_added_.
31         * plugin.h (class Plugin_manager): define new fields rescannable_,
32         undefined_symbols_, any_claimed_, and any_added_.  Declare
33         Plugin_rescan as friend.  Declare new functions.
34         (Plugin_manager::Rescannable): Define type.
35         (Plugin_manager::Rescannable_list): Define type.
36         (Plugin_manager::Undefined_symbol_list): Define type.
37         (Plugin_manager::Plugin_manager): Initialize new fields.
38         * archive.cc (Archive::defines_symbol): New function.
39         (Add_archive_symbols::run): Pass archive to plugins if any.
40         * archive.h (class Archive): Declare defines_symbol.
41         * readsyms.cc (Input_group::~Input_group): New function.
42         (Finish_group::run): Pass input_group to plugins if any.
43         * readsyms.h (class Input_group): Declare destructor.
44         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
45         any.
47 2011-01-10  Ian Lance Taylor  <iant@google.com>
49         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
50         section as relro.
51         (Layout::set_segment_offsets): Reset increase_relro before calling
52         set_section_addresses a second time.
54 2011-01-04  Cary Coutant  <ccoutant@google.com>
56         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
57         sections before NOBITS sections.
59 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
61         * version.cc (print_version): Update copyright to 2011.
63 2010-12-23  Cary Coutant  <ccoutant@google.com>
65         * output.h (Output_data_reloc::add_output_section): Pass OD instead
66         of OS to this->add.  Add OD parameter to second form of the function.
68 2010-12-20  Ian Lance Taylor  <iant@google.com>
70         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
71         second of two consecutive entries with same offset.
73 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
75         * testsuite/Makefile.am (ifuncmain2static_LDADD)
76         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
77         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
78         to avoid unneeded links against $(LDADD).
79         * testsuite/Makefile.in: Regenerate.
81 2010-12-15  Ian Lance Taylor  <iant@google.com>
83         PR gold/12324
84         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
85         for R_X86_64_32 and R_X86_64_PC32.
86         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
87         ver_matching_def_pic.o.
88         (ver_matching_def_pic.o): New target.
90 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
92         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
93         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
94         Move definition before File_read::View member definitions.
95         (File_read::View::~View): Initialize and hold lock before
96         updating current_mapped_bytes.
98 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
100         * dwarf_reader.cc: Remove outdated comment.
101         * gold-threads.cc: Fix typo in error message.
102         * archive.cc: Fix typos in comments.
103         * archive.h: Likewise.
104         * arm-reloc-property.cc: Likewise.
105         * arm-reloc-property.h: Likewise.
106         * arm-reloc.def: Likewise.
107         * arm.cc: Likewise.
108         * attributes.h: Likewise.
109         * cref.cc: Likewise.
110         * ehframe.cc: Likewise.
111         * fileread.h: Likewise.
112         * gold.h: Likewise.
113         * i386.cc: Likewise.
114         * icf.cc: Likewise.
115         * incremental.h: Likewise.
116         * int_encoding.cc: Likewise.
117         * layout.h: Likewise.
118         * main.cc: Likewise.
119         * merge.h: Likewise.
120         * object.cc: Likewise.
121         * object.h: Likewise.
122         * options.cc: Likewise.
123         * readsyms.cc: Likewise.
124         * reduced_debug_output.cc: Likewise.
125         * reloc.cc: Likewise.
126         * script-sections.cc: Likewise.
127         * sparc.cc: Likewise.
128         * symtab.h: Likewise.
129         * target-reloc.h: Likewise.
130         * target.cc: Likewise.
131         * target.h: Likewise.
132         * timer.cc: Likewise.
133         * timer.h: Likewise.
134         * x86_64.cc: Likewise.
136 2010-12-09  Cary Coutant  <ccoutant@google.com>
138         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
139         stack.
140         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
141         parameter; change all callers.
142         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
143         * options.h (warn_execstack): New option.
145 2010-12-07  Doug Kwan  <dougkwan@google.com>
147         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
148         like function call relocations.
150 2010-12-07  Ian Lance Taylor  <iant@google.com>
152         * archive.cc (Archive::get_elf_object_for_member): Permit
153         punconfigured to be NULL.
154         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
155         (Archive::include_member): Pass NULL to get_elf_object_for_member
156         if we searched for the archive and this is the first included
157         object.
159 2010-12-01  Ian Lance Taylor  <iant@google.com>
161         * dwarf_reader.h (class Sized_dwarf_line_info): Add
162         track_relocs_type_ field.
163         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
164         Set track_relocs_type_.
165         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
166         contents when using RELA relocs.
167         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
168         reloc_map_.
169         * reloc.cc (Track_relocs::next_addend): New function.
170         * reloc.h (class Track_relocs): Declare next_addend.
172 2010-12-01  Ian Lance Taylor  <iant@google.com>
174         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
175         virtual destructor.
177 2010-12-01  Ian Lance Taylor  <iant@google.com>
179         * README: Update compilers known to work and fail.
181 2010-11-23  Matthias Klose  <doko@ubuntu.com>
183         * configure.in: For --enable-gold, handle value `default' instead of
184         `both*'.  Always install ld as ld.bfd, install as ld if gold is
185         not the default.
186         * configure: Regenerate.
188 2010-11-18  Doug Kwan  <dougkwan@google.com>
190         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
191         and right_alignment to be zero.  Store result alignment only if it is
192         greater than existing alignment.
194 2010-11-16  Cary Coutant  <ccoutant@google.com>
196         PR gold/12220
197         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
198         Check for ".zdebug_line".
200 2010-11-16  Doug Kwan  <dougkwan@google.com>
201             Cary Coutant  <ccoutant@google.com>
203         * output.h (Output_segment::set_section_addresses): Pass increase_relro
204         by reference; adjust all callers.
205         * output.cc (Output_segment::set_section_addresses): Adjust references
206         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
207         list is empty.
208         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
209         end at page boundary.
211 2010-11-16  Cary Coutant  <ccoutant@google.com>
213         PR gold/12220
214         * layout.cc (Layout::choose_output_section): Transform names of
215         compressed sections even when using a script with a SECTIONS clause.
216         (Layout::output_section_name): Remove code to transform
217         compressed debug section names.
218         * output.cc (Output_section::add_input_section): Use uncompressed
219         section size when tracking input sections.
221 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
223         * symtab.h (Symbol::NON_PIC_REF): Remove.
224         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
225         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
226         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
227         (Symbol::use_plt_offset): Take a flags argument and pass it
228         directly to needs_dynamic_reloc.  Restrict check for undefined
229         weak symbols to function calls.
230         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
231         (Target_arm::Scan::global): Use it.
232         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
233         (Target_arm::Relocate::relocate): Likewise.
234         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
235         parameter with an r_type parameter.  Use get_reference_flags
236         to get the flags.
237         (Target_arm::Relocate::relocate): Update accordingly.
238         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
239         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
240         (Target_i386::Scan::global): Likewise.
241         (Target_i386::Relocate::relocate): Likewise.
242         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
243         parameter with an r_type parameter.  Use get_reference_flags
244         to get the flags.
245         (Target_i386::Relocate::relocate): Update accordingly.
246         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
247         (Target_powerpc::Scan::global): Use it.
248         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
249         (Target_powerpc::Relocate::relocate): Likewise.
250         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
251         (Target_sparc::Scan::global): Use it.
252         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
253         (Target_sparc::Relocate::relocate): Likewise.
254         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
255         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
256         (Target_x86_64::Scan::global): Likewise.
257         (Target_x86_64::Relocate::relocate): Likewise.
259 2010-11-08  Doug Kwan  <dougkwan@google.com>
260             Cary Coutant  <ccoutant@google.com>
262         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
263         (Arm_exidx_merge_section::section_contents_): New data member.
264         (Arm_input_section::Arm_input_section): Initialize original_contents_.
265         (Arm_input_section::~Arm_input_section): De-allocate memory.
266         (Arm_input_section::original_contents_): New data member.       
267         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
268         in parameters instead of calling Object::section_contents without
269         locking.
270         (Arm_output_section::group_section): New parameter TASK.  Pass it
271         to callees that need locking objects.
272         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
273         to lock EXIDX input sections.  Fix a formatting issue.  Call
274         Arm_exidx_merged_section::build_contents to create merged section
275         contents.
276         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
277         to lock object of stub table owner.
278         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
279         TEXT_SIZE to initialize data member TEXT_SIZE_.
280         (Arm_exidx_input_section::addralign): Fix typo in comment.
281         (Arm_exidx_input_section::text_size): New method.
282         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
283         that require locking objects.  Lock objects before scanning for stubs
284         and updating local symbols.
285         (Arm_input_section<big_endian>::init): Copy contents of original
286         input section.
287         (Arm_input_section<big_endian>::do_write): Use saved contents of
288         original input section instead of calling Object::section_contents
289         without locking.
290         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
291         size without calling Object::section_size().
292         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
293         for size.  Allocate a buffer for merged EXIDX entries.
294         (Arm_exidx_merged_section::build_contents): New method.
295         (Arm_exidx_merged_section::do_write): Move merge section contents
296         building code to Arm_exidx_merged_section::build_contetns.  Write
297         out contetns in buffer instead of building it on the fly.
298         (Arm_relobj::make_exidx_input_section): Also pass text section size
299         to Arm_exidx_input_section constructor.
300         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
301         (Arm_dynobj::do_read_symbols): Fix memory leak.
302         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
303         * target.h: (class Task): Add forward declaration.
304         (Target::relax): Add new parameter TASK and pass it to
305         Target::do_relax().
306         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
308 2010-11-05  Cary Coutant  <ccoutant@google.com>
310         PR gold/10708
311         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
312         object when reading from the file.
313         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
314         second layout pass.
315         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
316         when reading section contents.
317         (get_section_contents): Likewise.
318         (icf::find_identical_sections): Likewise.
319         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
320         object when reading from the file.
321         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
322         the object when doing deferred section layout.
324 2010-11-03  Nick Clifton  <nickc@redhat.com>
326         PR gold/12001
327         * script.h (class Symbol_assignment: name): New member.  Returns
328         the name of the symbol.
329         * scrfipt.cc (Script_options::is_pending_assignment): New member.
330         Returns true if the given symbol name is on the list of
331         assignments wating to be processed.
332         * archive.cc (should_incldue_member): If the symbol is undefined,
333         check to see if it is on the list of symbols pending assignment.
335 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
337         * script-sections.cc (Script_sections::find_memory_region): Check
338         for a NULL output section pointer.
340 2010-10-29  Doug Kwan  <dougkwan@google.com>
342         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
343         Output_section::add_relaxed_input_section.
344         * output.cc (Output_section::add_relaxed_input_section): Add new
345         arguments LAYOUT and NAME.  Set section order index.
346         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
347         Copy section order index.
348         * output.h (Output_section::add_relaxed_input_section): Add new
349         arguments LAYOUT and NAME.
351 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
353         * testsuite/Makefile.am: Move gcctestdir/ld rule to
354         NATIVE_OR_CROSS_LINKER.
355         * testsuite/Makefile.in: Regenerate.
357 2010-10-20  Doug Kwan  <dougkwan@google.com>
359         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
360         without SHF_LINK_ORDER flags.
361         * layout.cc (Layout::choose_output_section): Do not filter
362         SHF_LINK_ORDER flag in a relocatable link.
364 2010-10-17  Cary Coutant  <ccoutant@google.com>
366         * output.h (Output_segment::set_section_addresses): Change function
367         signature.  Update all callers.
368         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
369         sections.
370         (Output_segment::set_section_addresses): Align after last TLS
371         section.  Add padding before last relro section instead of after.
373 2010-10-17  Doug Kwan  <dougkwan@google.com>
375         * gold/arm.cc (Target_arm::got_section): Use correct order and set
376         GOT output section to be writable.
378 2010-10-14  Cary Coutant  <ccoutant@google.com>
380         * debug.h (DEBUG_INCREMENTAL): New flag.
381         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
382         * gold.cc (queue_initial_tasks): Check parameters for incremental link
383         mode.
384         * incremental.cc (report_command_line): Ignore all forms of
385         --incremental.
386         * layout.cc (Layout::Layout): Check parameters for incremental link
387         mode.
388         * options.cc (General_options::parse_incremental): New function.
389         (General_options::parse_no_incremental): New function.
390         (General_options::parse_incremental_full): New function.
391         (General_options::parse_incremental_update): New function.
392         (General_options::incremental_mode_): New data member.
393         (General_options::finalize): Check incremental_mode_.
394         * options.h (General_options): Update help text for --incremental.
395         Add --no-incremental, --incremental-full, --incremental-update.
396         (General_options::Incremental_mode): New enum type.
397         (General_options::incremental_mode): New function.
398         (General_options::incremental_mode_): New data member.
399         * parameters.cc (Parameters::incremental_mode_): New data member.
400         (Parameters::set_options): Set incremental_mode_.
401         (Parameters::set_incremental_full): New function.
402         (Parameters::incremental): New function.
403         (Parameters::incremental_update): New function.
404         (set_parameters_incremental_full): New function.
405         * parameters.h (Parameters::set_incremental_full): New function.
406         (Parameters::incremental): New function.
407         (Parameters::incremental_update): New function.
408         (Parameters::incremental_mode_): New data member.
409         (set_parameters_incremental_full): New function.
410         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
411         incremental link mode.
412         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
413         (Sized_relobj::do_relocate_sections): Likewise.
414         * testsuite/Makefile.am (incremental_test): Use --incremental-full
415         option.
416         * testsuite/Makefile.in: Regenerate.
417         * testsuite/incremental_test.sh: Filter all forms of --incremental.
419 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
421         * script-sections.h (class Script_sections): Make
422         Sections_elements typedef public.
423         * script-sections.cc (class Sort_output_sections): Add elements_
424         field.  Add constructor which sets it; change all callers.
425         (Sort_output_sections::is_before): New function.
426         (Sort_output_sections::operator()): Call is_before.
427         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
428         conditional.
429         * testsuite/script_test_10.sh: New test. Test script section
430         order.
431         * testsuite/script_test_10.t: Likewise.
432         * testsuite/script_test_10.s: Likewise.
433         * testsuite/Makefile.am: Wrap the cross linker tests and the
434         common tests into NATIVE_OR_CROSS_LINKER.
435         (check_SCRIPTS): Add script_test_10.sh.
436         (check_DATA): Add script_test_10.stdout.
437         (script_test_10.o, script_test_10): New targets.
438         (script_test_10.stdout): New target.
439         * configure, testsuite/Makefile.in: Regenerate.
441 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
443         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
444         error for the deprecated relocations.
445         (Target_arm::Scan::global): Likewise.
446         (Target_arm::Relocate::relocate): Likewise.
448 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
450         * fileread.cc (Input_file::find_file): Initialize *found_name
451         and *namep when using the fallback search for case 4.
453 2010-10-11  Cary Coutant  <ccoutant@google.com>
455         * options.h (class General_options): Redefine -z lazy as an alias for
456         the negation of -z now.
458 2010-10-11  Ian Lance Taylor  <iant@google.com>
460         * resolve.cc (symbol_to_bits): Report the value of the unsupported
461         binding.
463 2010-10-06  Nick Clifton  <nickc@redhat.com>
465         * script-sections.cc(class Memory_region): Remove
466         current_lma_offset_ field.  Rename current_vma_offset_ to
467         current_offset_.  Add last_section_ field.
468         (Memory_region::get_current_vma_address): Rename to
469         get_current_address.
470         (Memory_region::get_current_lma_address): Delete.
471         (Memory_region::increment_vma_offset): Rename to
472         increment_offset.
473         (Memory_region::increment_lma_offset): Delete.
474         (Memory_region::attributes_compatible): New method.  Returns
475         true if the provided section is compatible with the region.
476         (Memory_region::get_last_section): New method.  Returns the last
477         section to use the region.
478         (Memory_region::set_last_section): New method.  Stores the last
479         section to use the region.
480         (Script_sections::block_in_region): New method.  Returns true if
481         a block of memory is contained within a region.
482         (Script_sections::find_memory_region): New method.  Locates a
483         memory region to be used to set a VMA or LMA address.
484         (Output_section_definition::set_section_addresses): Add code to
485         check for addresses set by memory regions.
486         (Output_segment::set_section_addresses): Remove memory region
487         walking code.
488         (Script_sections::create_segment): Add a warning if a header
489         segment is created outside of any region.
490         * script-sections.h (class Script_sections): Add prototypes for
491         find_memory_region and block_in_region methods.
492         * testsuite/memory_test.s: Use .long instead of .word.
493         * testsuite/memory_test.t: Add some more output sections.
494         * testsuite/memory_test.sh: Update expected output.
496 2010-10-02  Doug Kwan  <dougkwan@google.com>
498         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
499         defintion to symtab.h
500         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
501         declaration to defintion.
503 2010-10-01  Nick Clifton  <nickc@redhat.com>
505         * expression.cc (eval): Replace dummy argument with NULL.
506         (eval_maybe_dot): Check for a NULL result section pointer.
507         (Symbol_expression::value): Likewise.
508         (Dot_expression::value): Likewise.
509         (BINARY_EXPRESSION): Likewise.
510         (Max_expression::value): Likewise.
511         (Min_expression::value): Likewise.
512         (Absolute_expression::value): Likewise.
513         (Addr_expression::value_from_output_section): Likewise.
514         (Loaddddr_expression::value_from_output_section): Likewise.
515         (Segment_start_expression::value): Likewise.
516         * script-sections.cc
517         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
518         argument with NULL.
519         (Sections_elememt_dot_assignment::set_section_addresses):
520         Likewise.
521         (Output_data_expression::do_write_to_buffer): Likewise.
522         (Output_section_definition::finalize_symbols): Likewise.
523         (Output_section_definition::set_section_addresses): Likewise.
525 2010-09-30  Doug Kwan  <dougkwan@google.com>
527         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
529 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
531         * target.h (Target::can_icf_inline_merge_sections): New virtual
532         function.
533         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
534         virtual function.
535         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
536         virtual function.
537         * icf.cc (get_section_contents): Inline merge sections only when
538         target allows it.
540 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
542         * configure: Regenerate.
544 2010-09-17  Ian Lance Taylor  <iant@google.com>
546         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
547         * testsuite/Makefile.am (memory_test.o): New target.
548         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
549         memory_test.t.
550         * testsuite/Makefile.in: Rebuild.
552 2010-09-17  Doug Kwan  <dougkwan@google.com>
554         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
555         defintion if relocation uses GOT entries of the symbol.
556         * testsuite/icf_safe_test.sh: Fix test.
557         * testsuite/icf_safe_so_test.sh: Fix test.
559 2010-09-16  Cary Coutant  <ccoutant@google.com>
561         * script_sections.cc (class Memory_region): Remove "NULL" from
562         vector initializations.
564 2010-09-15  Cary Coutant  <ccoutant@google.com>
566         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
567         Resolve forwarding symbols.
569 2010-09-15  Doug Kwan  <dougkwan@google.com>
571         * gold/testsuite/script_test_3.t: Add ARM special sections.
572         * gold/testsuite/script_test_4.t: Same.
573         * gold/testsuite/script_test_5.t: Same.
574         * gold/testsuite/script_test_6.t: Same.
575         * gold/testsuite/script_test_7.t: Same.
576         * gold/testsuite/script_test_7.t: Same.
577         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
579 2010-09-14  Cary Coutant  <ccoutant@google.com>
581         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
582         (Target_x86_64::Relocate::relocate_tls): Replace check for
583         saw_tls_block_reloc_ with test for executable section.
585 2010-09-12  Cary Coutant  <ccoutant@google.com>
587         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
588         position-independent executables to shared libraries need dynamic
589         relocations.
590         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
591         position-independent executables.
592         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
593         * testsuite/Makefile.in: Regenerate.
595 2010-09-10  Nick Clifton  <nickc@redhat.com>
597         PR gold/11997
598         * testsuite/memory_test.t: Discard any sections that are not
599         needed.
601 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
603         PR gold/11996
604         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
605         "This::" to work around a bug in gcc 4.2.
607         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
609 2010-09-09  Rafael Espindola  <espindola@google.com>
611         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
612         sections with different PF_X flags in the same segment.
613         (Layout::find_first_load_seg): Search all segments to find the first
614         one.
615         * options.h (rosegment): New.
617 2010-09-08  Rafael Espindola  <espindola@google.com>
619         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
621 2010-09-08  Doug Kwan  <dougkwan@google.com>
623         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
624         (Arm_relobj::do_relocate_sections): Add new parameter for output
625         file to match the parent.
626         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
627         of local symbols instead of input values.  Update code to track
628         changes in gold::relocate_section.
629         * object.cc (Sized_relobj::compute_final_local_value): New methods.
630         (Sized_relobj::compute_final_local_value_internal): New methods.
631         (Sized_relobj::do_finalize_local_symbols): Move code from loop
632         body into private version of Sized_relobj::compute_final_local_value.
633         Call the inline method.
634         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
635         merged symbol value if there is one.
636         (Symbol_value::has_output_value): New method defintiion.
637         (Sized_relobj::Compute_final_local_value_status): New enum type.
638         (Sized_relobj::compute_final_local_value): New methods.
639         (Sized_relobj::compute_final_local_value_internal): New methods.
640         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
641         and arm_cortex_a8.sh.
642         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
643         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
644         New tests.
645         * Makefile.in: Regenerate.
646         * testsuite/arm_bl_out_of_range.s: Update test.
647         * testsuite/thumb_bl_out_of_range.s: Ditto.
648         * testsuite/thumb_blx_out_of_range.s: Ditto.
649         * testsuite/arm_branch_out_of_range.sh: New file.
650         * testsuite/arm_cortex_a8.sh: Ditto.
651         * testsuite/arm_cortex_a8_b.s: Ditto.
652         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
653         * testsuite/arm_cortex_a8_b_local.s: Ditto.
654         * testsuite/arm_cortex_a8_bl.s: Ditto.
655         * testsuite/arm_cortex_a8_blx.s: Ditto.
656         * testsuite/arm_cortex_a8_local.s: Ditto.
657         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
658         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
660 2010-09-08  Rafael Espindola  <espindola@google.com>
662         * Makefile.am (memory_test.stdout): Run readelf with -W.
663         * Makefile.in: Regenerate.
664         * testsuite/memory_test.sh: Make the regexps accept both 32 and
665         64 bit output.
667 2010-09-08  Rafael Espindola  <espindola@google.com>
669         * script-sections.cc (Script_sections::add_memory_region): Convert
670         field precision to int.
671         * script.cc (script_set_section_region, script_set_section_region):
672         Convert field precision to int.
674 2010-09-08  Rafael Espindola  <espindola@google.com>
676         * arm.cc (do_finalize_sections): Create the __exidx_start and
677         __exdix_end symbols even when the section is missing.
679 2010-09-08  Nick Clifton  <nickc@redhat.com>
681         * README: Remove claim that MEMORY is not supported.
682         * expression.cc (script_exp_function_origin)
683         (script_exp_function_length): Move from here to ...
684         * script.cc: ... here.
685         (script_set_section_region, script_add_memory)
686         (script_parse_memory_attr, script_include_directive): New
687         functions.
688         * script-sections.cc
689         (class Memory_region): New class.
690         (class Output_section_definition): Add set_memory_region,
691         set_section_vma, set_section_lma and get_section_name methods.
692         (class Script_Sections): Add add_memory_region,
693         find_memory_region, find_memory_region_origin,
694         find_memory_region_length and set_memory_region methods.
695         Have set_section_addresses method walk the list of set memory
696         regions.
697         Extend the print methos to display memory regions.
698         * script-sections.h: Add prototypes for new methods.
699         Add enum for MEMORY region attributes.
700         * yyscript.y: Add support for parsing MEMORY regions.
701         * script-c.h: Add prototypes for new functions.
702         * testsuite/Makefile.am: Add test of MEMORY region functionality.
703         * testsuite/Makefile.in: Regenerate.
704         * testsuite/memory_test.sh: New script.
705         * testsuite/memory_test.s: New assembler source file.
706         * testsuite/memory_test.t: New linker script.
708 2010-08-27  Doug Kwan  <dougkwan@google.com>
710         * gold/resolve.cc (Symbol_table::should_override): Let a weak
711         reference override an existing dynamic weak reference.
712         * testsuite/Makefile.am: Add new test dyn_weak_ref.
713         * testsuite/Makefile.in: Regenerate.
714         * testsuite/dyn_weak_ref.sh: New file.
715         * testsuite/dyn_weak_ref_1.c: Ditto.
716         * testsuite/dyn_weak_ref_2.c: Ditto.
718 2010-08-27  Ian Lance Taylor  <iant@google.com>
720         * incremental.h (class Incremental_input_entry): Add virtual
721         destructor.
723 2010-08-27  Ian Lance Taylor  <iant@google.com>
725         * testsuite/start_lib_test_3.c: Mark t3 as used.
727 2010-08-27  Nick Clifton  <nickc@redhat.com>
729         * options.cc (version_script): Fix small typo in previous
730         whitespace tidyup.
732 2010-08-25  Nick Clifton  <nickc@redhat.com>
734         * archive.cc: Formatting fixes: Remove whitespace between
735         typename and following asterisk.  Remove whitespace between
736         function name and opening parenthesis.
737         * archive.h: Likewise.
738         * arm.cc: Likewise.
739         * attributes.cc: Likewise.
740         * attributes.h: Likewise.
741         * common.cc: Likewise.
742         * copy-relocs.cc: Likewise.
743         * dirsearch.h: Likewise.
744         * dynobj.cc: Likewise.
745         * ehframe.cc: Likewise.
746         * ehframe.h: Likewise.
747         * expression.cc: Likewise.
748         * fileread.cc: Likewise.
749         * fileread.h: Likewise.
750         * gc.h: Likewise.
751         * gold-threads.cc: Likewise.
752         * gold.cc: Likewise.
753         * i386.cc: Likewise.
754         * icf.h: Likewise.
755         * incremental-dump.cc: Likewise.
756         * incremental.cc: Likewise.
757         * layout.cc: Likewise.
758         * layout.h: Likewise.
759         * main.cc: Likewise.
760         * merge.cc: Likewise.
761         * merge.h: Likewise.
762         * object.cc: Likewise.
763         * object.h: Likewise.
764         * options.cc: Likewise.
765         * options.h: Likewise.
766         * output.cc: Likewise.
767         * output.h: Likewise.
768         * plugin.cc: Likewise.
769         * plugin.h: Likewise.
770         * powerpc.cc: Likewise.
771         * reloc.cc: Likewise.
772         * script-c.h: Likewise.
773         * script-sections.cc: Likewise.
774         * script.cc: Likewise.
775         * stringpool.cc: Likewise.
776         * symtab.cc: Likewise.
777         * symtab.h: Likewise.
778         * target.cc: Likewise.
779         * timer.cc: Likewise.
780         * timer.h: Likewise.
781         * version.cc: Likewise.
782         * x86_64.cc: Likewise.
784 2010-08-24  Nick Clifton  <nickc@redhat.com>
786         PR 11899
787         * layout.cc (segment_precedes): Sort segments by their physical
788         addresses, if they have been set.
790 2010-08-23  Cary Coutant  <ccoutant@google.com>
792         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
793         symbols data.
794         (Lib_group::include_member): Unlock object after deleting its
795         symbols data.
796         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
797         the bug fixed here.
799 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
800             Cary Coutant  <ccoutant@google.com>
802         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
803         constructor, and set_blocker.
804         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
805         readsyms_blocker_.
806         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
807         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
808         * testsuite/Makefile.am (start_lib_test): New test case.
809         * testsuite/Makefile.in: Regenerate.
810         * testsuite/start_lib_test_main.c: New file.
811         * testsuite/start_lib_test_1.c: New file.
812         * testsuite/start_lib_test_2.c: New file.
813         * testsuite/start_lib_test_3.c: New file.
815 2010-08-19  Ian Lance Taylor  <iant@google.com>
817         * Makefile.in: Rebuild with automake 1.11.1.
818         * aclocal.m4: Likewise.
819         * testsuite/Makefile.in: Likewise.
821 2010-08-19  Ian Lance Taylor  <iant@google.com>
823         PR 10893
824         * i386.cc (class Output_data_plt_i386): Update declarations.
825         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
826         local_ifuncs_ fields.
827         (Target_i386::do_plt_section_for_global): New function.
828         (Target_i386::do_plt_section_for_local): New function.
829         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
830         parameter; change all callers.  Initialize global_ifuncs_ and
831         local_ifuncs_.  If doing a static link define __rel_iplt_start and
832         __rel_iplt_end.
833         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
834         (Output_data_plt_i386::add_local_ifunc_entry): New function.
835         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
836         symbols.
837         (Target_i386::make_plt_section): New function, broken out of
838         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
839         (Target_i386::make_plt_entry): Call make_plt_section.
840         (Target_i386::make_local_ifunc_plt_entry): New function.
841         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
842         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
843         R_386_IRELATIVE to switch.
844         (Target_i386::Scan::global): Likewise.
845         (Target_i386::Relocate::relocate): Likewise.
846         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
847         switch.
848         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
849         (Target_x86_64::do_plt_section_for_global): New function.
850         (Target_x86_64::do_plt_section_for_local): New function.
851         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
852         parameter; change all callers.  If doing a static link define
853         __rela_iplt_start and __rela_iplt_end.
854         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
855         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
856         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
857         to point to .plt.
858         (Target_x86_64::make_local_ifunc_plt_entry): New function.
859         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
860         switch.
861         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
862         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
863         R_X86_64_IRELATIVE to switch.
864         (Target_x86_64::Scan::global): Likewise.
865         (Target_x86_64::Relocate::relocate): Likewise.
866         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
867         switch.
868         * target.h (class Target): Add plt_section_for_global and
869         plt_section_for_local functions.  Add do_plt_section_for_global
870         and do_plt_section_for_local virtual functions.
871         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
872         clarifying comments.
873         (Symbol::use_plt_offset): Handle IFUNC symbol.
874         * object.cc (Sized_relobj::Sized_relobj): Initialize
875         local_plt_offsets_.
876         (Sized_relobj::local_has_plt_offset): New function.
877         (Sized_relobj::local_plt_offset): New function.
878         (Sized_relobj::set_local_plt_offset): New function.
879         (Sized_relobj::do_count): Handle IFUNC symbol.
880         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
881         a bit away from input_shndx_ field.  Add set_is_func_symbol and
882         is_ifunc_symbol functions.
883         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
884         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
885         local_plt_offsets_ field.
886         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
887         * output.h (class Output_section_data): Add non-const
888         output_section function.
889         (class Output_data_got): Update declarations.
890         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
891         Add use_plt_offset parameter to global and local constructors.
892         Change all callers.  Change local_sym_index_ field to 31 bits.
893         Change GSYM_CODE and CONSTANT_CODE accordingly.
894         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
895         doing a static link don't set sh_link field.
896         (Output_data_got::Got_entry::write): Use PLT offset if
897         appropriate.
898         (Output_data_got::add_global_plt): New function.
899         (Output_data_got::add_local_plt): New function.
900         * target-reloc.h (relocate_section): Handle IFUNC symbol.
901         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
902         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
903         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
904         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
905         IFUNC conditional.
906         * testsuite/ifunc-sel.h: New file.
907         * testsuite/ifuncmain1.c: New file.
908         * testsuite/ifuncmain1vis.c: New file.
909         * testsuite/ifuncmod1.c: New file.
910         * testsuite/ifuncdep2.c: New file.
911         * testsuite/ifuncmain2.c: New file.
912         * testsuite/ifuncmain3.c: New file.
913         * testsuite/ifuncmod3.c: New file.
914         * testsuite/ifuncmain4.c: New file.
915         * testsuite/ifuncmain5.c: New file.
916         * testsuite/ifuncmod5.c: New file.
917         * testsuite/ifuncmain6pie.c: New file.
918         * testsuite/ifuncmod6.c: New file.
919         * testsuite/ifuncmain7.c: New file.
920         * configure, testsuite/Makefile.in: Rebuild.
922 2010-08-18  Ian Lance Taylor  <iant@google.com>
924         * incremental.cc
925         (Output_section_incremental_inputs::write_input_files): Add cast
926         to avoid signed/unsigned comparison warning.
927         (Output_section_incremental_inputs::write_info_blocks): Likewise.
929 2010-08-12  Cary Coutant  <ccoutant@google.com>
931         * common.cc (Sort_commons::operator()): Remove unnecessary code.
933 2010-08-13  Ian Lance Taylor  <iant@google.com>
935         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
937 2010-08-12  Cary Coutant  <ccoutant@google.com>
938             Doug Kwan  <dougkwan@google.com>
940         * resolve.cc (Symbol_table::should_override): When a weak dynamic
941         defintion overrides non-weak undef, remember that the original undef
942         is not weak.
943         * symtab.cc (Symbol_table::sized_write_global): For undef without
944         an original weak binding, set binding to global in output.
945         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
946         * testsuite/Makefile.in: Regenerate.
947         * testsuite/strong_ref_weak_def.sh: New file.
948         * testsuite/strong_ref_weak_def_1.c: Ditto.
949         * testsuite/strong_ref_weak_def_2.c: Ditto.
951 2010-08-12  Cary Coutant  <ccoutant@google.com>
953         * testsuite/incremental_test.sh: Rewrite.
954         * testsuite/incremental_test_1.c: Rewrite.
955         * testsuite/incremental_test_2.c: Rewrite.
957 2010-08-12  Cary Coutant  <ccoutant@google.com>
959         * arm.cc (Target_arm::got_size): Add const.
960         (Target_arm::got_entry_count): New function.
961         (Target_arm::plt_entry_count): New function.
962         (Target_arm::first_plt_entry_offset): New function.
963         (Target_arm::plt_entry_size): New function.
964         (Output_data_plt_arm::entry_count): New function.
965         (Output_data_plt_arm::first_plt_entry_offset): New function.
966         (Output_data_plt_arm::get_plt_entry_size): New function.
967         * i386.cc (Target_i386::got_size): Add const.
968         (Target_i386::got_entry_count): New function.
969         (Target_i386::plt_entry_count): New function.
970         (Target_i386::first_plt_entry_offset): New function.
971         (Target_i386::plt_entry_size): New function.
972         (Output_data_plt_i386::entry_count): New function.
973         (Output_data_plt_i386::first_plt_entry_offset): New function.
974         (Output_data_plt_i386::get_plt_entry_size): New function.
975         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
976         find_incremental_inputs_sections.  Dump incremental_got_plt section.
977         * incremental.cc: Include target.h.
978         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
979         parameter.  Adjust all callers.  Find incremental_got_plt section.
980         (Incremental_inputs::create_data_sections): Create incremental_got_plt
981         section.
982         (Output_section_incremental_inputs::set_final_data_size): Calculate
983         size of incremental_got_plt section.
984         (Output_section_incremental_inputs::do_write): Write the
985         incremental_got_plt section.
986         (Got_plt_view_info): New struct.
987         (Local_got_offset_visitor): New class.
988         (Global_got_offset_visitor): New class.
989         (Global_symbol_visitor_got_plt): New class.
990         (Output_section_incremental_inputs::write_got_plt): New function.
991         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
992         Add parameter.  Adjust all callers.
993         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
994         (Incremental_inputs::got_plt_section): New function.
995         (Incremental_inputs::got_plt_section_): New data member.
996         (Incremental_got_plt_reader): New class.
997         * layout.cc (Layout::create_incremental_info_sections): Add the
998         incremental_got_plt section.
999         * object.h (Got_offset_list::get_list): New function.
1000         (Got offset_list::for_all_got_offsets): New function.
1001         (Sized_relobj::local_got_offset_list): New function.
1002         * powerpc.cc (Target_powerpc::got_size): Add const.
1003         (Target_powerpc::got_entry_count): New function.
1004         (Target_powerpc::plt_entry_count): New function.
1005         (Target_powerpc::first_plt_entry_offset): New function.
1006         (Target_powerpc::plt_entry_size): New function.
1007         (Output_data_plt_powerpc::entry_count): New function.
1008         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1009         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1010         * sparc.cc (Target_sparc::got_size): Add const.
1011         (Target_sparc::got_entry_count): New function.
1012         (Target_sparc::plt_entry_count): New function.
1013         (Target_sparc::first_plt_entry_offset): New function.
1014         (Target_sparc::plt_entry_size): New function.
1015         (Output_data_plt_sparc::entry_count): New function.
1016         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1017         (Output_data_plt_sparc::get_plt_entry_size): New function.
1018         * symtab.h (Symbol::got_offset_list): New function.
1019         (Symbol_table::for_all_symbols): New function.
1020         * target.h (Sized_target::got_entry_count): New function.
1021         (Sized_target::plt_entry_count): New function.
1022         (Sized_target::plt_entry_size): New function.
1023         * x86_64.cc (Target_x86_64::got_size): Add const.
1024         (Target_x86_64::got_entry_count): New function.
1025         (Target_x86_64::plt_entry_count): New function.
1026         (Target_x86_64::first_plt_entry_offset): New function.
1027         (Target_x86_64::plt_entry_size): New function.
1028         (Output_data_plt_x86_64::entry_count): New function.
1029         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1030         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1032 2010-08-12  Cary Coutant  <ccoutant@google.com>
1034         * archive.cc: Include incremental.h.
1035         (Archive::Archive): Initialize incremental_info_.
1036         (Archive::include_member): Record archive members in incremental info.
1037         (Add_archive_symbols::run): Record begin and end of an archive in
1038         incremental info.
1039         (Lib_group::include_member): Record objects in incremental info.
1040         * archive.h (Incremental_archive_entry): Forward declaration.
1041         (Archive::set_incremental_info): New member function.
1042         (Archive::incremental_info): New member function.
1043         (Archive::Unused_symbol_iterator): New class.
1044         (Archive::unused_symbols_begin): New member function.
1045         (Archive::unused_symbols_end): New member function.
1046         (Archive::incremental_info_): New data member.
1047         * incremental-dump.cc (find_input_containing_global): New function.
1048         (dump_incremental_inputs): Dump new incremental info sections.
1049         * incremental.cc: Include symtab.h.
1050         (Output_section_incremental_inputs): New class.
1051         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1052         new incremental info sections.
1053         (Sized_incremental_binary::do_check_inputs): Likewise.
1054         (Incremental_inputs::report_archive): Remove.
1055         (Incremental_inputs::report_archive_begin): New function.
1056         (Incremental_inputs::report_archive_end): New function.
1057         (Incremental_inputs::report_object): New function.
1058         (Incremental_inputs::finalize_inputs): Remove.
1059         (Incremental_inputs::report_input_section): New function.
1060         (Incremental_inputs::report_script): Rewrite.
1061         (Incremental_inputs::finalize): Do nothing but finalize string table.
1062         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1063         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1064         (Incremental_inputs::create_data_sections): New function.
1065         (Incremental_inputs::relocs_entsize): New function.
1066         (Output_section_incremental_inputs::set_final_data_size): New function.
1067         (Output_section_incremental_inputs::do_write): New function.
1068         (Output_section_incremental_inputs::write_header): New function.
1069         (Output_section_incremental_inputs::write_input_files): New function.
1070         (Output_section_incremental_inputs::write_info_blocks): New function.
1071         (Output_section_incremental_inputs::write_symtab): New function.
1072         * incremental.h (Incremental_script_entry): Forward declaration.
1073         (Incremental_object_entry): Forward declaration.
1074         (Incremental_archive_entry): Forward declaration.
1075         (Incremental_inputs): Forward declaration.
1076         (Incremental_inputs_header_data): Remove.
1077         (Incremental_inputs_header): Remove.
1078         (Incremental_inputs_header_write): Remove.
1079         (Incremental_inputs_entry_data): Remove.
1080         (Incremental_inputs_entry): Remove.
1081         (Incremental_inputs_entry_write): Remove.
1082         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1083         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1084         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1085         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1086         Likewise.
1087         (Incremental_input_entry): New class.
1088         (Incremental_script_entry): New class.
1089         (Incremental_object_entry): New class.
1090         (Incremental_archive_entry): New class.
1091         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1092         (Incremental_inputs::report_inputs): Remove.
1093         (Incremental_inputs::report_archive): Remove.
1094         (Incremental_inputs::report_archive_begin): New function.
1095         (Incremental_inputs::report_archive_end): New function.
1096         (Incremental_inputs::report_object): Change prototype.
1097         (Incremental_inputs::report_input_section): New function.
1098         (Incremental_inputs::report_script): Change prototype.
1099         (Incremental_inputs::get_reloc_count): New function.
1100         (Incremental_inputs::set_reloc_count): New function.
1101         (Incremental_inputs::create_data_sections): New function.
1102         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1103         (Incremental_inputs::inputs_section): New function.
1104         (Incremental_inputs::symtab_section): New function.
1105         (Incremental_inputs::relocs_section): New function.
1106         (Incremental_inputs::get_stringpool): Add const.
1107         (Incremental_inputs::command_line): Add const.
1108         (Incremental_inputs::inputs): Remove.
1109         (Incremental_inputs::command_line_key): New function.
1110         (Incremental_inputs::input_file_count): New function.
1111         (Incremental_inputs::input_files): New function.
1112         (Incremental_inputs::relocs_entsize): New function.
1113         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1114         (Incremental_inputs::finalize_inputs): Remove.
1115         (Incremental_inputs::Input_info): Remove.
1116         (Incremental_inputs::lock_): Remove.
1117         (Incremental_inputs::inputs_): Change type.
1118         (Incremental_inputs::inputs_map_): Remove.
1119         (Incremental_inputs::current_object_entry_): New data member.
1120         (Incremental_inputs::inputs_section_): New data member.
1121         (Incremental_inputs::symtab_section_): New data member.
1122         (Incremental_inputs::relocs_section_): New data member.
1123         (Incremental_inputs::reloc_count_): New data member.
1124         (Incremental_inputs_reader): New class.
1125         (Incremental_symtab_reader): New class.
1126         (Incremental_relocs_reader): New class.
1127         * layout.cc (Layout::finalize): Move finalization of incremental info
1128         and creation of incremental info sections to follow finalization of
1129         symbol table.  Set offsets for postprocessing sections.
1130         (Layout::create_incremental_info_sections): Call
1131         Incremental_inputs::create_data_sections.  Add incremental symtab
1132         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1133         sections to layout after input sections.
1134         * layout.h (struct Timespec): Forward declaration.
1135         (Layout::incremental_inputs): Add const.
1136         (Layout::create_incremental_info_sections): Add parameter.
1137         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1138         * object.cc: Include incremental.h.
1139         (Relobj::finalize_incremental_relocs): New function.
1140         (Sized_relobj::do_layout): Record input sections in incremental info.
1141         * object.h (Object::output_section): New function.
1142         (Object::output_section_offset): Moved from Relobj.
1143         (Object::get_incremental_reloc_base): New function.
1144         (Object::get_incremental_reloc_count): New function.
1145         (Object::do_output_section): New function.
1146         (Object::do_output_section_offset): Moved from Relobj.
1147         (Object::do_get_incremental_reloc_base): New function.
1148         (Object::do_get_incremental_reloc_count): New function.
1149         (Object::Object): Initialize new data members.
1150         (Relobj::output_section): Renamed do_output_section and moved to
1151         protected.
1152         (Relobj::output_section_offset): Moved to Object.
1153         (Relobj::do_get_incremental_reloc_base): New function.
1154         (Relobj::do_get_incremental_reloc_count): New function.
1155         (Relobj::allocate_incremental_reloc_counts): New function.
1156         (Relobj::count_incremental_reloc): New function.
1157         (Relobj::finalize_incremental_relocs): New function.
1158         (Relobj::next_incremental_reloc_index): New function.
1159         (Relobj::reloc_counts_): New data member.
1160         (Relobj::reloc_bases_): New data member.
1161         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1162         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1163         (Sized_relobj::incremental_relocs_scan): New function.
1164         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1165         (Sized_relobj::incremental_relocs_write): New function.
1166         (Sized_relobj::incremental_relocs_write_reltype): New function.
1167         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1168         incremental link.
1169         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1170         archives and object files elsewhere.
1171         (Add_symbols::run): Report object files here.
1172         (Finish_group::run): Report end of archive at end of group.
1173         * reloc.cc: Include layout.h, incremental.h.
1174         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1175         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1176         (Sized_relobj::incremental_relocs_scan): New function.
1177         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1178         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1179         (Sized_relobj::incremental_relocs_write): New function.
1180         (Sized_relobj::incremental_relocs_write_reltype): New function.
1181         * script.cc (read_input_script): Rewrite test for incremental link.
1182         Change call to Incremental_inputs::report_script.
1183         * symtab.h (Symbol_table::first_global_index): New function.
1184         (Symbol_table::output_count): New function.
1186 2010-08-12  Doug Kwan  <dougkwan@google.com>
1188         * arm.cc (Target_arm::merge_object_attributes): Check command line
1189         options --no-wchar-size-warning and --no-enum-size-warning.
1190         * options.h (General_options): Add ld-compatible options
1191         --no-enum-size-warning and --no-wchar-size-warning.
1193 2010-08-04  Ian Lance Taylor  <iant@google.com>
1195         * x86_64.cc (Target_x86_64::Scan::local): Use
1196         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1197         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1198         (Target_x86_64::Scan::global): Likewise.
1199         (Target_x86_64::Relocate::relocate): Likewise.
1200         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1201         Likewise.
1203 2010-08-03  Cary Coutant  <ccoutant@google.com>
1205         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1206         to reserve space in merged_strings vector. Keep total input size
1207         for stats.
1208         (Output_merge_string::do_print_merge_stats): Print total input size.
1209         * merge.h (Output_merge_string): Add input_size_ field.
1210         * stringpool.cc (Stringpool_template::string_length): Move
1211         implementations out of Stringpool_template class and place in
1212         stringpool.h.
1213         * stringpool.h (string_length): Move out of Stringpool_template.
1215 2010-08-03  Ian Lance Taylor  <iant@google.com>
1217         PR 11712
1218         * layout.cc (relaxation_loop_body): If address of load segment is
1219         set, adjust address to include headers if possible.
1221 2010-08-03  Ian Lance Taylor  <iant@google.com>
1223         * version.cc (version_string): Bump to 1.10.
1225 2010-08-03  Ian Lance Taylor  <iant@google.com>
1227         PR 11805
1228         * layout.h (enum Output_section_order): Define.
1229         (class Layout): Update declarations.
1230         * layout.cc (Layout::get_output_section): Add order parameter.
1231         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1232         is_first_non_relro parameters.  Change all callers.
1233         (Layout::choose_output_section): Likewise.
1234         (Layout::add_output_section_data): Likewise.
1235         (Layout::make_output_section): Likewise.  Set order.
1236         (Layout::default_section_order): New function.
1237         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1238         * output.cc (Output_section::Output_section): Initialize order_.
1239         Don't initialize deleted fields.
1240         (Output_segment::Output_segment): Don't initialize deleted
1241         fields.
1242         (Output_segment::add_output_section_to_load): New function
1243         replacing add_output_section.  Change all callers to call this or
1244         add_output_section_to_nonload.
1245         (Output_segment::add_output_section_to_nonload): New function.
1246         (Output_segment::remove_output_section): Rewrite.
1247         (Output_segment::add_initial_output_data): Likewise.
1248         (Output_segment::has_any_data_sections): Likewise.
1249         (Output_segment::is_first_section_relro): Likewise.
1250         (Output_segment::maximum_alignment): Likewise.
1251         (Output_segment::has_dynamic_reloc): New function replacing
1252         dynamic_reloc_count.  Change all callers.
1253         (Output_segment::has_dynamic_reloc_list): New function replacing
1254         dynamic_reloc_count_list.  Change all callers.
1255         (Output_segment::set_section_addresses): Rewrite.
1256         (Output_segment::set_offset): Rewrite.
1257         (Output_segment::find_first_and_last_list): Remove.
1258         (Output_segment::set_tls_offsets): Rewrite.
1259         (Output_segment::first_section_load_address): Likewise.
1260         (Output_segment::output_section_count): Likewise.
1261         (Output_segment::section_with_lowest_load_address): Likewise.
1262         (Output_segment::write_section_headers): Likewise.
1263         (Output_segment::print_sections_to_map): Likewise.
1264         * output.h (class Output_data): Remove dynamic_reloc_count_
1265         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1266         (Output_data::add_dynamic_reloc): Rewrite.
1267         (Output_data::has_dynamic_reloc): New function.
1268         (Output_data::dynamic_reloc_count): Remove.
1269         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1270         is_last_relro_, is_first_non_relro_, is_interp_,
1271         is_dynamic_linker_section_ fields.  Add order and set_order
1272         functions.  Remove is_relro_local, set_is_relro_local,
1273         is_last_relro, set_is_last_relro, is_first_non_relro,
1274         set_is_first_non_relro functions, is_interp, set_is_interp,
1275         is_dynamic_linker_section, and set_is_dynamic_linker_section
1276         functions.
1277         (class Output_segment): Change Output_data_list from std::list to
1278         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1279         output_bss_ fields.  Update declarations.
1281 2010-08-02  Ian Lance Taylor  <iant@google.com>
1283         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1284         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1285         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1287 2010-08-02  Ian Lance Taylor  <iant@google.com>
1289         PR 11855
1290         * script.cc (Script_options::Script_options): Initialize
1291         symbol_definitions_ and symbol_references_.
1292         (Script_options::add_symbol_assignment): Update
1293         symbol_definitions_ and symbol_references_.
1294         (Script_options::add_symbol_reference): New function.
1295         (script_symbol): New function.
1296         * script.h (class Script_options): Add symbol_definitions_ and
1297         symbol_references_ fields.
1298         (Script_options::referenced_const_iterator): New type.
1299         (Script_options::referenced_begin): New function.
1300         (Script_options::referenced_end): New function.
1301         (Script_options::is_referenced): New function.
1302         (Script_options::any_unreferenced): New function.
1303         * script-c.h (script_symbol): Declare.
1304         * yyscript.y (exp): Call script_symbol.
1305         * symtab.cc: Include "script.h".
1306         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1307         Change all callers.  Check symbols referenced by scripts.
1308         (Symbol_table::add_undefined_symbols_from_command_line): Add
1309         layout parameter.  Change all callers.
1310         (Symbol_table::do_add_undefined_symbols_from_command_line):
1311         Likewise.  Break out loop body.  Check symbols referenced by
1312         scripts.
1313         (Symbol_table::add_undefined_symbol_from_command_line): New
1314         function broken out of
1315         do_add_undefined_symbols_from_command_line.
1316         * symtab.h (class Symbol_table): Update declarations.
1317         * archive.cc: Include "layout.h".
1318         (Archive::should_include_member): Add layout parameter.  Change
1319         all callers.  Check for symbol mentioned in expression.
1320         * archive.h (class Archive): Update declaration.
1321         * object.cc (Sized_relobj::do_should_include_member): Add layout
1322         parameter.
1323         * object.h (Object::should_include_member): Add layout parameter.
1324         Change all callers.
1325         (Object::do_should_include_member): Add layout parameter.
1326         (class Sized_relobj): Update declaration.
1327         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1328         parameter.
1329         * dynobj.h (class Sized_dynobj): Update declaration.
1330         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1331         layout parameter.
1332         * plugin.h (class Sized_pluginobj): Update declaration.
1334 2010-08-02  Ian Lance Taylor  <iant@google.com>
1336         PR 11866
1337         * output.cc (Output_segment::set_offset): Search for the first and
1338         last sections rather than assuming that the list is in order.
1339         (Output_segment::find_first_and_last_list): New function.
1340         * output.h (class Output_segment): Update declarations.
1341         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1342         (relro_strip_test_SOURCES): New variable.
1343         (relro_strip_test_DEPENDENCIES): New variable.
1344         (relro_strip_test_LDFLAGS): New variable.
1345         (relro_strip_test_LDADD): New variable.
1346         (relro_strip_test.so): New target.
1348 2010-08-02  Ian Lance Taylor  <iant@google.com>
1350         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1351         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1352         (Target_i386::got_tlsdesc_section): New function.
1353         (Target_i386::got_section): Create space for GOT entries for
1354         TLSDESC relocations.
1355         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1356         R_386_TLS_GOTDESC.
1357         (Target_i386::Scan::global): Likewise.
1358         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1359         using TLSDESC GOT.
1360         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1361         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1362         (Target_x86_64::got_tlsdesc_section): New function.
1363         (Target_x86_64::got_section): Create space for GOT entries for
1364         TLSDESC relocations.
1365         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1366         R_386_TLS_GOTDESC.
1367         (Target_x86_64::Scan::global): Likewise.
1368         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1369         using TLSDESC GOT.
1371 2010-08-02  Ian Lance Taylor  <iant@google.com>
1373         * testsuite/final_layout.sh: Use dc to convert from hex to
1374         decimal.
1376 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1378         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1379         paramter to the call to gold::gc_process_relocs.
1380         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1381         paramter to the call to gold::gc_process_relocs.
1382         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1383         parameter to the call to gold::gc_process_relocs.
1384         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1385         template parameter to the call to gold::gc_process_relocs.
1386         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1387         paramter to the call to gold::gc_process_relocs.
1388         * gc.h (get_embedded_addend_size): New function.
1389         (gc_process_relocs): Save the size of the reloc for use by ICF.
1390         * icf.cc (get_section_contents): Get the addend from the text section
1391         for SHT_REL relocation sections.
1392         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1393         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1394         * int_encoding.h (read_from_pointer): New overloaded function.
1395         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1396         * testsuite/icf_sht_rel_addend_test.sh: New file.
1397         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1398         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1400 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1402         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1403         * Makefile.in: Regenerate.
1404         * testsuite/Makefile.in: Regenerate.
1406 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1408         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1409         * gold/testsuite/debug_msg.cc: Likewise.
1410         * gold/testsuite/odr_violation1.cc
1411         * gold/testsuite/odr_violation2.cc
1413 2010-07-21  Cary Coutant  <ccoutant@google.com>
1415         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1416         string, and length fields.
1417         (Output_merge_string::Merged_strings_list): New type.
1418         (Output_merge_string::Merged_strings_lists): New typedef.
1419         (Output_merge_string): Replace merged_strings_ with
1420         merged_strings_lists_.
1421         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1422         Merged_strings_list per input object and section.  Don't store pointer
1423         to the string.  Don't store length with each merged string entry.
1424         (Output_merge_string::finalize_merged_data): Loop over list of merged
1425         strings lists.  Recompute length of each merged string.
1427 2010-07-15  Cary Coutant  <ccoutant@google.com>
1429         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1430         here.
1432 2010-07-14  Ian Lance Taylor  <iant@google.com>
1434         * descriptors.cc (Descriptors::open): Report correct name in error
1435         message.
1437 2010-07-13  Doug Kwan  <dougkwan@google.com>
1439         * arm.cc (Arm_input_section::Arm_input_section): For a
1440         SHT_ARM_EXIDX section, always keeps the input sections.
1441         (Arm_input_section::set_exidx_section_link): New method.
1442         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1443         has_errors_ to false.
1444         (Arm_exidx_input_section::has_errors,
1445         Arm_exidx_input_section::set_has_errors): New methods.
1446         (Arm_exidx_input_section::has_errors_): New data member.
1447         (Arm_relobj::get_exidx_shndx_list): New method.
1448         (Arm_output_section::append_text_sections_to_list): Do not skip
1449         section without SHF_EXECINSTR.
1450         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1451         errors.
1452         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1453         section header.  Make error messages more verbose.  Check for
1454         a non-executable section linked to an EXIDX section.
1455         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1456         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1457         check that there is no deferred EXIDX section if we exit early.
1458         Instead of not making an EXIDX section in case of an error, make one
1459         and set the has_errors flag of it.
1460         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1461         in a relocatable link.
1462         (Target_arm::do_relax): Look for the EXIDX output section instead of
1463         assuming that it is called .ARM.exidx.
1464         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1465         section list.  Do not check for SHF_EXECINSTR section flags but
1466         skip any input section with errors.
1467         * output.cc (Output_section::Output_section): Initialize
1468         always_keeps_input_sections_ to false.
1469         (Output_section::add_input_section): Check for
1470         always_keeps_input_sections_.
1471         *  output.h (Output_section::always_keeps_input_sections,
1472         Output_section::set_always_keeps_input_sections): New methods.
1473         (Output_section::always_keeps_input_sections): New data member.
1475 2010-07-13  Rafael Espindola  <espindola@google.com>
1477         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1478         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1480 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1481             Ian Lance Taylor  <iant@google.com>
1483         * output.h (Output_section_lookup_maps::add_merge_section):
1484         Correct check of whether value was inserted.
1485         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1486         (Output_section_lookup_maps::add_relaxed_input_section):
1487         Likewise.
1488         * arm.cc (Target_arm::got_section): Remove used local os.
1489         * i386.cc (Target_i386::got_section): Likewise.
1490         * x86_64.cc (Target_x86_64::got_section): Likewise.
1491         * sparc.cc (Target_sparc::got_section): Likewise.
1492         (Target_sparc::relocate): Remove unused local have_got_offset.
1493         * powerpc.cc (Target_powerpc::relocate): Likewise.
1495 2010-07-13  Ian Lance Taylor  <iant@google.com>
1497         * compressed_output.cc (zlib_decompress): Fix signature in
1498         !HAVE_ZLIB_H case.
1500         * archive.cc (Archive::include_member): Unlock an external member
1501         of a thin archive.  Don't bother to delete an object we know is
1502         NULL.
1504 2010-07-12  Cary Coutant  <ccoutant@google.com>
1506         * compressed_output.cc (zlib_decompress): New function.
1507         (get_uncompressed_size): New function.
1508         (decompress_input_section): New function.
1509         * compressed_output.h (get_uncompressed_size): New function.
1510         (decompress_input_section): New function.
1511         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1512         Handle compressed debug sections.
1513         * layout.cc (is_compressed_debug_section): New function.
1514         (Layout::output_section_name): Map compressed section names to
1515         canonical names.
1516         * layout.h (is_compressed_debug_section): New function.
1517         (is_debug_info_section): Recognize compressed debug sections.
1518         * merge.cc: Include compressed_output.h.
1519         (Output_merge_data::do_add_input_section): Handle compressed
1520         debug sections.
1521         (Output_merge_string::do_add_input_section): Handle compressed
1522         debug sections.
1523         * object.cc: Include compressed_output.h.
1524         (Sized_relobj::Sized_relobj): Initialize new data members.
1525         (build_compressed_section_map): New function.
1526         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1527         * object.h (Object::section_is_compressed): New method.
1528         (Object::do_section_is_compressed): New method.
1529         (Sized_relobj::Compressed_section_map): New type.
1530         (Sized_relobj::do_section_is_compressed): New method.
1531         (Sized_relobj::compressed_sections_): New data member.
1532         * output.cc (Output_section::add_input_section): Handle compressed
1533         debug sections.
1534         * reloc.cc: Include compressed_output.h.
1535         (Sized_relobj::write_sections): Handle compressed debug sections.
1537 2010-07-08  Cary Coutant  <ccoutant@google.com>
1539         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1540         weak when resolving to a dynamic def.
1541         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1542         for weak undef/dynamic def cases. Adjust callers.
1543         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1544         undef_binding_weak_.
1545         (Symbol_table::sized_write_globals): Adjust symbol binding.
1546         (Symbol_table::sized_write_symbol): Add binding parameter.
1547         * symtab.h (Symbol::set_undef_binding): New method.
1548         (Symbol::is_undef_binding_weak): New method.
1549         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1550         (Symbol_table::should_override): Add new parameter.
1551         (Symbol_table::sized_write_symbol): Add new parameter.
1553         * testsuite/weak_undef_file1.cc: Add new test case.
1554         * testsuite/weak_undef_file2.cc: Fix header comment.
1555         * testsuite/weak_undef_test.cc: Add new test case.
1557 2010-06-29  Doug Kwan  <dougkwan@google.com>
1559         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1560         Initialize USE_SYMBOL_.
1561         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1562         definition.
1563         (Arm_reloc_property::uses_symbol_): New data member declaration.
1564         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1565         uses symbol value and symbol is undefined but not weakly undefined.
1567 2010-06-28  Rafael Espindola  <espindola@google.com>
1569         * plugin.cc (Plugin::load): Use dlerror.
1571 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1573         * symtab.cc (detect_odr_violations): When reporting an ODR
1574         violation, report an object where the symbol is defined.
1576 2010-06-25  Doug Kwan  <dougkwan@google.com>
1578         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1579         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1580         definition.
1581         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1582         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1583         target hook to detect function points.
1584         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1585         * icf.h (Icf::check_section_for_function_pointers): Change type of
1586         parameter SECTION_NAME to const reference to std::string.  Use
1587         target hook to determine if section may have unsafe pointers.
1588         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1589         method definition.
1591 2010-06-21  Rafael Espindola  <espindola@google.com>
1593         * fileread.cc (Input_file::find_fie): New
1594         (Input_file::open): Use Input_file::find_fie.
1595         * fileread.h (Input_file::find_fie): New
1596         * plugin.cc (set_extra_library_path): New.
1597         (Plugin::load): Add set_extra_library_path to the transfer vector.
1598         (Plugin_manager::set_extra_library_path): New.
1599         (Plugin_manager::add_input_file): Use the extra search path if set.
1600         (set_extra_library_path(): New.
1601         * plugin.h (Plugin_manager): Add set_extra_library_path and
1602         extra_search_path_.
1604 2010-06-19  Cary Coutant  <ccoutant@google.com>
1606         * layout.cc (gdb_sections): Add .debug_types.
1607         (lines_only_debug_sections): Likewise.
1609 2010-06-18  Rafael Espindola  <espindola@google.com>
1611         * plugin.cc (add_input_file,add_input_library)
1612         (Plugin_manager::add_input_file): Make filename arguments const.
1613         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1614         const.
1616 2010-06-16  Doug Kwan  <dougkwan@google.com>
1618         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1619         .ARM.attributes section if we have not merged any input
1620         attributes sections.
1622 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1624         * arm.cc: Allow combining objects with no EABI version
1625         information.
1627 2010-06-15  Rafael Espindola  <espindola@google.com>
1629         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1631 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1633         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1634         (struct iovec): Correct !HAVE_READV definition.
1636 2010-06-10  Cary Coutant  <ccoutant@google.com>
1638         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1639         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1640         reloc sections.
1641         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1643         PR 11683
1644         * symtab.h (Symbol::is_placeholder): New member function.
1645         * target-reloc.h (relocate_section): Check for placeholder symbols.
1647         * testsuite/Makefile.am (plugin_test_8): New test.
1648         (plugin_test_9): New test.
1649         * testsuite/Makefile.in: Regenerate.
1651 2010-06-09  Nick Clifton  <nickc@redhat.com>
1653         * yyscript.y (input_list_element): Allow strings prefixed with
1654         the '-' character.  Treat these as libraries.
1655         * script.cc (script_add_library): New function.  Adds a library
1656         specified by "-l<name>" found in an input script.
1657         * script-c.h: Add prototype for script_add_library.
1659 2010-06-07  Doug Kwan  <dougkwan@google.com>
1661         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1662         Restrict stub-group size to be within long conditional branch
1663         range when working around cortex-A8 erratum.
1665 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1667         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1668         #ifdef typo.
1670 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1672         PR gold/11658
1673         * output.cc
1674         (Output_section::Input_section_sort_entry::compare_section_ordering):
1675         Change to return non-zero correctly.
1676         (Output_section::Input_section_sort_section_order_index_compare
1677         ::operator()): Change to fix ambiguity in comparisons.
1679 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1681         * gold.h (is_wildcard_string): New function.
1682         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1683         (Layout::layout_eh_frame): Ditto.
1684         (Layout::find_section_order_index): New method.
1685         (Layout::read_layout_from_file): New method.
1686         * layout.h (Layout::find_section_order_index): New method.
1687         (Layout::read_layout_from_file): New method.
1688         (Layout::input_section_position_): New private member.
1689         (Layout::input_section_glob_): New private member.
1690         * main.cc (main): Call read_layout_from_file here.
1691         * options.h (--section-ordering-file): New option.
1692         * output.cc (Output_section::input_section_order_specified_): New
1693         member.
1694         (Output_section::Output_section): Initialize new member.
1695         (Output_section::add_input_section): Add new parameter.
1696         Keep input sections when --section-ordering-file is used.
1697         (Output_section::set_final_data_size): Sort input sections when
1698         section ordering file is specified.
1699         (Output_section::Input_section_sort_entry): Add new parameter.
1700         Check sorting type.
1701         (Output_section::Input_section_sort_entry::compare_section_ordering):
1702         New method.
1703         (Output_section::Input_section_sort_compare::operator()): Change to
1704         consider section_order_index.
1705         (Output_section::Input_section_sort_init_fini_compare::operator()):
1706         Change to consider section_order_index.
1707         (Output_section::Input_section_sort_section_order_index_compare
1708         ::operator()): New method.
1709         (Output_section::sort_attached_input_sections): Change to sort
1710         according to section order when specified.
1711         (Output_section::add_input_section<32, true>): Add new parameter.
1712         (Output_section::add_input_section<64, true>): Add new parameter.
1713         (Output_section::add_input_section<32, false>): Add new parameter.
1714         (Output_section::add_input_section<64, false>): Add new parameter.
1715         * output.h (Output_section::add_input_section): Add new parameter.
1716         (Output_section::input_section_order_specified): New
1717         method.
1718         (Output_section::set_input_section_order_specified): New method.
1719         (Input_section::Input_section): Initialize section_order_index_.
1720         (Input_section::section_order_index): New method.
1721         (Input_section::set_section_order_index): New method.
1722         (Input_section::section_order_index_): New member.
1723         (Input_section::Input_section_sort_section_order_index_compare): New
1724         struct.
1725         (Output_section::input_section_order_specified_): New member.
1726         * script-sections.cc (is_wildcard_string): Delete and move modified
1727         method to gold.h.
1728         (Output_section_element_input::Output_section_element_input): Modify
1729         call to is_wildcard_string.
1730         (Output_section_element_input::Input_section_pattern
1731         ::Input_section_pattern): Ditto.
1732         (Output_section_element_input::Output_section_element_input): Ditto.
1733         * testsuite/Makefile.am (final_layout): New test case.
1734         * testsuite/Makefile.in: Regenerate.
1735         * testsuite/final_layout.cc: New file.
1736         * testsuite/final_layout.sh: New file.
1738 2010-06-01  Rafael Espindola  <espindola@google.com>
1740         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1742 2010-06-01  Rafael Espindola  <espindola@google.com>
1744         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1745         visibility of symbols.
1747 2010-05-27  Doug Kwan  <dougkwan@google.com>
1749         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1750         from start of output section instead of address for a local symbol
1751         in a merged or relaxed section when doing a relocatable link.
1753 2010-05-26  Rafael Espindola  <espindola@google.com>
1755        PR 11604
1756         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1757         adding sections the garbage collector removed.
1758         * gold/testsuite/Makefile.am: Add test.
1759         * gold/testsuite/Makefile.in: Regenerate.
1760         * gold/testsuite/plugin_test_7.sh: New.
1761         * gold/testsuite/plugin_test_7_1.c: New.
1762         * gold/testsuite/plugin_test_7_2.c: New.
1764 2010-05-26  Rafael Espindola  <espindola@google.com>
1766         * script-sections.cc (Output_section_definition::set_section_addresses):
1767         Check for --section-start.
1769 2010-05-26  Doug Kwan  <dougkwan@google.com>
1771         * arm.cc (Arm_scan_relocatable_relocs): New class.
1772         (Target_arm::relocate_special_relocatable): New method.
1773         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1774         (Arm_relocate_functions::thumb_branch_common): Same.
1775         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1776         instead of Default_scan_relocatable_relocs.
1777         * target-reloc.h (relocate_for_relocatable): Let target handle
1778         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1779         * target.h (Sized_target::relocate_special_relocatable): New method.
1781 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1783         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1785 2010-05-23  Doug Kwan  <dougkwan@google.com>
1787         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1788         instead of a cast.
1789         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1790         with a direct branch, not a conditional branch, to a stub.
1791         * merge.cc (Output_merge_base::record_input_section): New method
1792         defintion.
1793         (Output_merge_data::do_add_input_section): Record input section if
1794         keeps-input-sections flag is set.
1795         (Output_merge_string::do_add_input_section): Ditto.
1796         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1797         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1798         INPUT_SECTIONS_.
1799         (Output_merge_base::keeps_input_sections,
1800         Output_merge_base::set_keeps_input_sections,
1801         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1802         method definitions.
1803         (Output_merge_base::Input_sections): New type declaration.
1804         (Output_merge_base::input_sections_begin,
1805         Output_merge_base::input_sections_end,
1806         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1807         (Output_merge_base::bool keeps_input_sections_,
1808         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1809         Output_merge_base::input_sections_): New data members.
1810         (Output_merge_data::do_set_keeps_input_sections): New method
1811         defintion.
1812         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1813         * output.cc (Output_section::Input_section::relobj): Move method
1814         defintion from class declaration to here and handle merge sections.
1815         (Output_section::Input_section::shndx): Ditto.
1816         (Output_section::Output_section): Remove initializations of removed
1817         data members and initialize new data member LOOKUP_MAPS_.
1818         (Output_section::add_input_section): Set keeps-input-sections flag
1819         for a newly created merge output section as appropriate.  Adjust code
1820         to use Output_section_lookup_maps class.
1821         (Output_section::add_relaxed_input_section): Adjst code for lookup
1822         maps code refactoring.
1823         (Output_section::add_merge_input_section): Add a new parameter
1824         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1825         class.  If adding input section to a newly created merge output
1826         section fails, remove the new merge section.
1827         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1828         Adjust code for use of the Output_section_lookup_maps class.
1829         (Output_section::find_merge_section): Ditto.
1830         (Output_section::build_lookup_maps): New method defintion.
1831         (Output_section::find_relaxed_input_section): Adjust code to use
1832         Output_section_lookup_maps class.
1833         (Output_section::get_input_sections): Export merge sections.  Adjust
1834         code to use Output_section_lookup_maps class.
1835         (Output_section:::add_script_input_section): Adjust code to use
1836         Output_section_lookup_maps class.  Update lookup maps for merge
1837         sections also.
1838         (Output_section::discard_states): Use Output_section_lookup_maps.
1839         (Output_section::restore_states): Same.
1840         * output.h (Merge_section_properties): Move class defintion out of
1841         Output_section.
1842         (Output_section_lookup_maps): New class.
1843         (Output_section::Input_section::is_merge_section): New method
1844         defintion.
1845         (Output_section::Input_section::relobj): Move defintion out of class
1846         defintion.  Declare method only.
1847         (Output_section::Input_section::shndx): Ditto.
1848         (Output_section::Input_section::output_merge_base): New method defintion.
1849         (Output_section::Input_section::u2_.pomb): New union field.
1850         (Output_section::Merge_section_by_properties_map,
1851         Output_section::Output_section_data_by_input_section_map,
1852         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1853         Remove types.
1854         (Output_section::add_merge_input_section): Add new parameter
1855         KEEPS_INPUT_SECTIONS.
1856         (Output_section::build_lookup_maps): New method declaration.
1857         (Output_section::merge_section_map_,
1858         Output_section::merge_section_by_properties_map_,
1859         Output_section::relaxed_input_section_map_,
1860         Output_section::is_relaxed_input_section_map_valid_): Remove data
1861         members.
1862         (Output_section::lookup_maps_): New data member.
1864 2010-05-21  Doug Kwan  <dougkwan@google.com>
1866         PR gold/11619
1867         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1868         avoid a compilation error.
1870 2010-05-19  Rafael Espindola  <espindola@google.com>
1872         * script-sections.cc (Output_section_definition::allocate_to_segment):
1873         Update the phdrs_list even when the output section is NULL.
1874         * testsuite/Makefile.am: Add test.
1875         * testsuite/Makefile.in: Regenerate.
1876         * testsuite/script_test_9.cc: New.
1877         * testsuite/script_test_9.sh: New.
1878         * testsuite/script_test_9.t: New.
1880 2010-05-19  Doug Kwan  <dougkwan@google.com>
1882         * arm.cc (Arm_input_section::original_size): New method.
1883         (Arm_input_section::do_addralign): Add a cast.
1884         (Arm_input_section::do_output_offset): Remove static cast.
1885         (Arm_input_section::original_addralign,
1886          Arm_input_section::original_size_): Change type to uint32_t.
1887         (Arm_input_section::init): Add safe casts for section alignment
1888         and size.
1889         (Arm_input_section::set_final_data_size): Do not set address and
1890         offset of stub table.
1891         (Arm_output_section::fix_exidx_coverage): Change use of of
1892         Output_section::Simple_input_section to that of
1893         Output_section::Input_section.
1894         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1895         except for the first pass.
1896         * output.cc (Output_section::get_input_sections): Change type of
1897         input_sections to std::list<Input_section>.
1898         (Output_section::add_script_input_section): Rename from
1899         Output_section::add_simple_input_section.  Change type of SIS
1900         parameter from Simple_input_section to Input_section.
1901         * output.h (Output_section::Simple_input_section): Remove class.
1902         (Output_section::Input_section): Change class visibility to public.
1903         (Output_section::Input_section::addralign): Use stored alignments
1904         for special input sections if set.
1905         (Output_section::Input_section::set_addralign): New method.
1906         (Output_section::get_input_sections): Change parameter type from
1907         list of Simple_input_section to list of Input_section.
1908         (Output_section::add_script_input_section): Rename from
1909         Output_section::add_simple_input_section. Change first parameter's
1910         type from Simple_input_section to Input_section and remove the
1911         second and third parameters.
1912         * script-sections.cc (Input_section::Input_section_list): Change
1913         type to list of Output_section::Input_section/
1914         (Input_section_info::Input_section_info): Change parameter type of
1915         INPUT_SECTION to Output_section::Input_section.
1916         (Input_section_info::input_section): Change return type.
1917         (Input_section_info::input_section_): Change type to
1918         Output_section::Input_section.
1919         (Output_section_element_input::set_section_addresses): Adjust code
1920         to use Output_section::Input_section instead of
1921         Output_section::Simple_input_section.  Adjust code for renaming
1922         of Output_section::add_simple_input_section.
1923         (Orphan_output_section::set_section_addresses): Ditto.
1925 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1927         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1928         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1930 2010-05-18  Rafael Espindola  <espindola@google.com>
1932         * options.cc (General_options::finalize): Handle -nostdlib.
1933         * options.h (nostdlib): New option.
1934         * script.cc (script_add_search_dir): Handle -nostdlib.
1936 2010-05-12  Doug Kwan  <dougkwan@google.com>
1938         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1939         attributes section only if there no attributes section after merging.
1940         (Target_arm::merge_object_attributes): Move value of
1941         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1942         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1943         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1944         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1945         and arm_attr_merge_7.stdout.
1946         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1947         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1948         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1949         arm_attr_merge_7b.o): New rules.
1950         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1951         arm_attr_merge_7
1952         * testsuite/Makefile.in: Regenerate.
1953         * testsuite/arm_attr_merge.sh: New file.
1954         * testsuite/arm_attr_merge_[67][ab].s: Same.
1956 2010-05-05  Nick Clifton  <nickc@redhat.com>
1958         * po/es.po: Updated Spanish translation.
1960 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1962         * Makefile.am (install-exec-local): Properly install gold as
1963         default cross linker.
1964         * Makefile.in: Regenerated.
1966 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1967             Nick Clifton  <nickc@redhat.com>
1969         * configure.ac (install_as_default): Define and set to false
1970         unless --enable-gold or --enable-gold=both/gold has been
1971         specified.
1972         * configure: Regenerate.
1974         * Makefile.am (install-exec-local): Install the executable as
1975         'ld.gold'.  If install_as_default is true then also install it as
1976         'ld'.
1977         * Makefile.in: Regenerated.
1979 2010-04-24  Ian Lance Taylor  <iant@google.com>
1981         * layout.cc (Layout::layout_reloc): In relocatable link don't
1982         combine reloc sections for grouped sections.
1984 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1986         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1987         sections that are not ordinary to icf.
1988         * icf.cc (get_section_contents): Handle relocation pointing to section
1989         with no object or shndx information.
1990         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1991         * testsuite/Makefile.in: Regenerate.
1992         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1993         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1995 2010-04-22  Ian Lance Taylor  <iant@google.com>
1997         * expression.cc (Expression::Expression_eval_info): Add
1998         result_alignment_pointer field.
1999         (Expression::eval_with_dot): Add result_alignment_pointer
2000         parameter.  Change all callers.
2001         (Expression::eval_maybe_dot): Likewise.
2002         (class Binary_expression): Add alignment_pointer parameter to
2003         left_value and right_value.  Change all callers.
2004         (BINARY_EXPRESSION): Set result alignment.
2005         (class Trinary_expression): Add alignment_pointer parameter to
2006         arg2_value and arg3_value.  Change all callers.
2007         (Trinary_cond::value): Set result alignment.
2008         (Max_expression::value, Min_expression::value): Likewise.
2009         (Align_expression::value): Likewise.
2010         * script-sections.cc (class Sections_element): Add dot_alignment
2011         parameter to set_section_addresses virtual function.  Update
2012         instantiations.
2013         (class Output_section_element): Likewise.
2014         (Script_sections::create_segments): Add dot_alignment parameter.
2015         Change all callers.
2016         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2017         (Script_sections::set_phdrs_clause_addresses): Likewise.
2018         * script-sections.h: Update declarations.
2019         * script.h: Update declarations.
2020         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2021         min_p_align.
2022         * testsuite/script_test_3.t: Set large alignment.
2023         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2024         segment has expected alignment.
2026 2010-04-22  Nick Clifton  <nickc@redhat.com>
2028         * po/gold.pot: Updated by the Translation project.
2029         * po/vi.po: Updated Vietnamese translation.
2031 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2033         * testsuite/Makefile.am (check_PROGRAMS): Add
2034         icf_virtual_function_folding_test.
2035         * testsuite/Makefile.in: Regenerated.
2037 2010-04-15  Andrew Haley  <aph@redhat.com>
2039         * options.h (merge_exidx_entries): New option.
2040         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2041         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2042         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2043         (Target_arm::merge_exidx_entries): New function.
2044         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2045         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2046         to Arm_exidx_fixup constructor.
2047         Add new arg, merge_exidx_entries.
2048         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2049         Arm_output_section::fix_exidx_coverage.
2051 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2053         * icf.cc (get_section_contents): Check for preemptible functions.
2054         Ignore addend when appropriate.
2055         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2056         section folded.
2057         (add_from_relobj): Check for section folded.
2058         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2059         * symtab.h (should_add_dynsym_entry): Add new parameter.
2060         * target-reloc.h (scan_relocs): Check for section folded.
2061         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2062         Check reloc types for function pointers in shared objects.
2063         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2064         case.
2065         (icf_preemptible_functions_test): New test case.
2066         (icf_string_merge_test): New test case.
2067         * testsuite.Makefile.in: Regenerate.
2068         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2069         bar_glob.  Refactor code.
2070         * testsuite/icf_preemptible_functions_test.cc: New file.
2071         * testsuite/icf_preemptible_functions_test.sh: New file.
2072         * testsuite/icf_string_merge_test.cc: New file.
2073         * testsuite/icf_string_merge_test.sh: New file.
2074         * testsuite/icf_virtual_function_folding_test.cc: New file.
2075         * testsuite/icf_virtual_function_folding_test.sh: New file.
2077 2010-04-14  Doug Kwan  <dougkwan@google.com>
2079         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2080         for local symbol recounting if we remove a section due to ICF.
2081         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2082         there are no regular objects in input.
2084 2010-04-13  Doug Kwan  <dougkwan@google.com>
2086         * arm.cc (Arm_input_section::set_final_data_size): Compute
2087         accurate final data size instead of using current data size.
2089 2010-04-09  Doug Kwan  <dougkwan@google.com>
2091         * layout.cc (Layout::choose_output_section): Handle script section
2092         types.
2093         (Layout::make_output_section_for_script): Add section type parameter.
2094         Handle script section types.
2095         * layout.h (Layout::make_output_section_for_script): Add section
2096         type parameter.
2097         * output.cc (Output_section::Output_section): Initialize data member
2098         is_noload_.
2099         (Output_section::do_reset_address_and_file_offset): Do not set address
2100         to 0 if section is a NOLOAD section.
2101         * output.h (Output_section::is_noload): New method.
2102         (Output_section::set_is_noload): Ditto.
2103         (Output_section::is_noload_): New data member.
2104         * script-c.h (Script_section_type): New enum type.
2105         (struct Parser_output_section_header): Add new file section_type.
2106         * script-sections.cc (Sections_element::output_section_name): Add
2107         parameter for returning script section type.
2108         (Output_section_definition::output_section_name): Ditto.
2109         (Output_section_definition::section_type)P; New method.
2110         (Output_section_definiton::script_section_type_name): Ditto.
2111         (Output_section_definition::script_section_type_): New data member.
2112         (Output_section_definition::Output_section_definition): Initialize
2113         data member Output_section_definition::script_section_type_.
2114         (Output_section_definition::create_sections): Pass script section type
2115         to Layout::make_output_section_for_script.
2116         (Output_section_definition::output_section_name): Return script
2117         section type to caller.
2118         (Output_section_definition::set_section_address): Do not advance
2119         dot value and load address if section type is NOLOAD.  Set address
2120         of NOLOAD sections regardless of section flags.
2121         (Output_section_definition::print): Print section type if it is
2122         not SCRIPT_SECTION_TYPE_NONE.
2123         (Output_section_definition::section_type): New method.
2124         (Output_section_definition::script_section_type_name): Ditto.
2125         (Script_sections::output_section_name): Add new parameter
2126         PSECTION_TYPE for returning script section type.  Pass it to
2127         section elements.  Handle discard sections.
2128         (Sort_output_sections::operator()): Handle NOLOAD sections.
2129         * script-sections.h (Script_sections::Section_type): New enum type.
2130         (Script_sections::output_section_name): Add a new parameter for
2131         returning script section type.
2132         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2133         INFO and NOLOAD.
2134         * yyscript.y (union): Add new field SECTION_TYPE.
2135         (COPY, DSECT, INFO, NOLOAD): New tokens.
2136         (opt_address_and_section_type): Change type to output_section_header.
2137         (section_type): New non-terminal
2138         (section_header): Handle section type.
2139         (opt_address_and_section_type): Return section type value.
2141 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2143         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2144         * testsuite/plugin_common_test_2.c (foo): Likewise.
2146 2010-04-08  Doug Kwan  <dougkwan@google.com>
2148         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2149         Output_merge_data.
2150         * output.cc (Output_section::add_merge_input_section): Simplify
2151         code and return status of Output_merge_base::add_input_section.
2152         Update merge section map only if Output_merge_base::add_input_section
2153         returns true.
2155 2010-04-07  Doug Kwan  <dougkwan@google.com>
2157         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2158         if section is marked as containing instructions but has no mapping
2159         symbols.
2160         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2161         correct section index.
2162         (Arm_relobj::find_linked_text_section): Ditto.
2164 2010-04-07  Cary Coutant  <ccoutant@google.com>
2166         * archive.cc (include_member): Destroy Read_symbols_data object before
2167         releasing file.
2168         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2169         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2170         (Read_symbols_data::~Read_symbols_data) New destructor.
2171         (Section_relocs::Section_relocs) New constructor.
2172         (Section_relocs::~Section_relocs) New destructor.
2173         (Read_relocs_data::Read_relocs_data) New constructor.
2174         (Read_relocs_data::~Read_relocs_data) New destructor.
2175         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2176         pointers to NULL after deleting.
2178 2010-04-07  Doug Kwan  <dougkwan@google.com>
2180         * arm.cc: Replace "endianity" with "endianness" in comments.
2181         (Arm_exidx_cantunwind): Ditto.
2182         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2183         (Arm_relobj::merge_flags_and_attributes): New method.
2184         (Arm_relobj::merge_flags_and_attributes_): New data member.
2185         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2186         (Arm_relobj::scan_sections_for_stubs): Ditto.
2187         (Arm_relobj::do_read_symbols): Check to see if we really want to
2188         merge processor-specific flags and attributes.  Exit early if
2189         an object is empty except for section names and the undefined symbol.
2190         (Target_arm::do_finalize_sections): Move check for ELF format to
2191         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2192         attributes from a regular object only when we have determined that
2193         it is aapropriate.  Do not create an .ARM.attributes section in
2194         output if there is no regular input object.
2195         (Target_arm::merge_processor_specific_flags): Check
2196         --warn-mismatch before printing any error.
2197         (Target_arm::merge_object_attributes): Ditto.
2198         * gold.cc (queue_middle_tasks): Handle the case in which there is
2199         no regular object in input.
2200         * options.cc (General_options::parse_EB): New method.
2201         (General_options::parse_EL): Same.
2202         (General_options::General_options): Initialize endianness_.
2203         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2204         New options.
2205         (General_options::Endianness): New enum.
2206         (General_options::endianness): New method.
2207         (General_options::endianness_): New data member.
2208         * parameters.cc (Parameters::set_options): Check target endianness.
2209         (Parameters::set_target_once): Ditto.
2210         (Parameters::check_target_endianness): New method.
2211         (parameters_force_valid_target): If either -EL or -EB is specified,
2212         use it to define endianness of default target.
2213         * parameters.h (Parameters::check_target_endianness): New method
2214         declaration.
2215         * target.h (class Target): Change "endianity" to "endianness"
2216         in comments.
2218 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2220         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2221         * configure: Regenerate.
2222         * Makefile.in: Regenerate.
2223         * testsuite/Makefile.in: Regenerate.
2225 2010-04-06  Cary Coutant  <ccoutant@google.com>
2227         gcc PR lto/42757
2228         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2229         prevailing definitions of common symbols.
2230         * testsuite/plugin_test_6.sh: New test case.
2231         * testsuite/plugin_common_test_1.c: New test case.
2232         * testsuite/plugin_common_test_2.c: New test case.
2233         * testsuite/Makefile.am (plugin_test_6): New test case.
2234         * testsuite/Makefile.in: Regenerate.
2236 2010-04-06  Nick Clifton  <nickc@redhat.com>
2238         * po/vi.po: New Vietnamese translation.
2240 2010-03-30  Doug Kwan  <dougkwan@google.com>
2242         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2244 2010-03-25  Doug Kwan  <dougkwan@google.com>
2246         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2247         to avoid a conversion warning on a 32-bit host.
2249 2010-03-24  Ian Lance Taylor  <iant@google.com>
2251         * testsuite/script_test_3.t: Add a TLS segment.
2252         * testsuite/Makefile.am (check_PROGRAMS): Add
2253         tls_phdrs_script_test.
2254         (tls_phdrs_script_test_SOURCES): Define.
2255         (tls_phdrs_script_test_DEPENDENCIES): Define.
2256         (tls_phdrs_script_test_LDFLAGS): Define.
2257         (tls_phdrs_script_test_LDADD): Define.
2258         * testsuite/Makefile.in: Rebuild.
2260 2010-03-23  Cary Coutant  <ccoutant@google.com>
2262         * fileread.cc (find_or_make_view): Fix comment.
2264 2010-03-23  Ian Lance Taylor  <iant@google.com>
2266         * script-sections.cc (class Orphan_section_placement): Define
2267         PLACE_TLS and PLACE_TLS_BSS.
2268         (Orphan_section_placement::Orphan_section_placement): Initialize
2269         new places.
2270         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2271         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2272         (tls_script_test_SOURCES): Define.
2273         (tls_script_test_DEPENDENCIES): Define.
2274         (tls_script_test_LDFLAGS): Define.
2275         (tls_script_test_LDADD): Define.
2276         * testsuite/Makefile.in: Rebuild.
2278 2010-03-22  Doug Kwan  <dougkwan@google.com>
2280         * arm.cc (Arm_relocate_functions::abs8,
2281         Arm_relocate_functions::abs16): Use correct check for overflow
2282         specified in the ARM ELF specs.
2283         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2284         target of a BLX instruction specially.
2285         (Reloc_stub::stub_type_for_reloc): Ditto.
2286         (Relocate::relocate): Use symbolic names instead of numeric relocation
2287         codes to report error.
2288         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2289         workaround.
2290         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2291         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2292         thumb2_blx_out_of_range.stdout
2293         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2294         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2295         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2296         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2297         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2298         thumb2_blx_in_range, thumb2_blx_in_range.o,
2299         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2300         thumb2_blx_out_of_range.o): New rules.
2301         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2302         thumb2_blx_in_range and thumb2_blx_out_of_range.
2303         * testsuite/Makefile.in: Regenerate.
2304         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2305         * testsuite/thumb_blx_in_range.s: New file.
2306         * testsuite/thumb_blx_out_of_range.s: New file.
2308 2010-03-22  Rafael Espindola  <espindola@google.com>
2310         * archive.cc (Should_include): Move to archive.h.
2311         (should_include_member): Make it a member of Archive.
2312         (Lib_group): New.
2313         (Add_lib_group_symbols): New.
2314         * archive.h: Include options.h.
2315         (Archive_member): Moved from Archive.
2316         (Should_include): Moved from archive.cc.
2317         (Lib_group): New.
2318         (Add_lib_group_symbols): New.
2319         * dynobj.cc (do_should_include_member): New.
2320         * dynobj.h (do_should_include_member): New.
2321         * gold.cc (queue_initial_tasks): Update call to queue.
2322         * main.cc (main): Print lib group stats.
2323         * object.cc (do_should_include_member): New.
2324         * object.h: Include archive.h.
2325         (Object::should_include_member): New.
2326         (Object::do_should_include_member): New.
2327         (Sized_relobj::do_should_include_member): New.
2328         * options.cc (General_options::parse_start_lib): New.
2329         (General_options::parse_end_lib): New.
2330         (Input_arguments::add_file): Handle lib groups.
2331         (Input_arguments::start_group): Check we are not in a lib.
2332         (Input_arguments::start_lib): New.
2333         (Input_arguments::end_lib): New.
2334         * options.h (General_options): Add start_lib and end_lib.
2335         (Input_argument::lib_): New.
2336         (Input_argument::lib): New.
2337         (Input_argument::is_lib): New.
2338         (Input_file_lib): New.
2339         (Input_arguments::in_lib_): New.
2340         (Input_arguments::in_lib): New.
2341         (Input_arguments::start_lib): New.
2342         (Input_arguments::end_lib_): New.
2343         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2344         in unused members as preempted.
2345         (Sized_pluginobj::do_should_include_member): New.
2346         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2347         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2348         return the blocker.
2349         (Read_symbols::do_whole_lib_group): New.
2350         (Read_symbols::do_lib_group): New.
2351         (Read_symbols::do_read_symbols): Handle lib groups.
2352         (Read_symbols::get_name): Handle lib groups.
2353         * readsyms.h (Read_symbols): Add an archive member pointer.
2354         (Read_symbols::do_whole_lib_group): New.
2355         (Read_symbols::do_lib_group): New.
2356         (Read_symbols::member_): New.
2357         * script.cc (read_input_script): Update call to queue_soon.
2359 2010-03-19  Doug Kwan  <dougkwan@google.com>
2361         * arm.cc (Stub_table::Stub_table): Initialize new data members
2362         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2363         (Stub_table::add_reloc_stub): Assign stub offset and update
2364         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2365         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2366         New data members.
2367         (Stub_table::update_data_size_and_addralign): Use
2368         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2369         instead of going over all reloc stubs.
2370         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2371         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2372         Stringpool_template::offset_ to size of Stringpool_char.
2373         (Stringpool_template::new_key_offset): Remove code to initialize
2374         Stringpool_template::offset_.
2375         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2376         Stringpool_template::offset_ to zero.
2378 2010-03-15  Doug Kwan  <dougkwan@google.com>
2380         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2381         offset_.
2382         (Stringpool_template::new_key_offset): New method.
2383         (Stringpool_template::add_string): Assign offsets when adding new
2384         strings.
2385         (Stringpool_template::set_string_offsets): Do not set string offsets
2386         when not optimizing.
2387         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2388         member size_.
2389         (Chunked_vector::clear): Clear size_.
2390         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2391         (Chunked_vector::size): Return size_.
2392         (Chunked_vector::push_back): Use size_ to find insert position.
2393         (Chunked_vector::size_): New data member.
2394         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2395         (Stringpool_template::new_key_offset): New method declaration.
2396         (Stringpool_template::offset_): New data member.
2398 2010-03-15   Rafael Espindola  <espindola@google.com>
2400         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2401         Add_symbols' constructor.
2402         * readsyms.h (Add_symbols): Remove the input_group member.
2404 2010-03-10  Ian Lance Taylor  <iant@google.com>
2406         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2407         target to ask whether a reference to a symbol requires a stack
2408         split.
2409         * target.h (Target::is_call_to_non_split): New function.
2410         (Target::do_is_call_to_non_split): Declare virtual function.
2411         * target.cc: Include "symtab.h".
2412         (Target::do_is_call_to_non_split): New function.
2413         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2415 2010-03-10  Cary Coutant  <ccoutant@google.com>
2417         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2418         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2419         (File_read::open[2]): Add whole_file_view_ to list of views.
2420         (File_read::make_view): Remove test of whole_file_view_.
2421         (File_read::find_or_make_view): Create whole_file_view_ if
2422         necessary.
2423         (File_read::clear_views): Replace bool parameter with enum;
2424         adjust all callers.  Don't delete views with permanent data;
2425         do delete cached views and views from archives if
2426         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2427         if clearing the corresponding view.
2428         * fileread.h (File_read::Clear_views_mode): New enum.
2429         (File_read::View::is_permanent_view): New method.
2430         (File_read::clear_views): Replace bool parameter
2431         with enum; adjust all callers.
2432         * options.h (General_options): Change keep_files_mapped option;
2433         add map_whole_files.
2434         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2435         releasing the file.
2436         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2437         the file.
2439 2010-03-10  David S. Miller  <davem@davemloft.net>
2441         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2443 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2445         * icf.cc (get_section_contents): Add '@' marker after processing the
2446         merge reloc.
2448 2010-03-08  Doug Kwan  <dougkwan@google.com>
2450         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2451         due to a conversion warning.
2452         (Arm_relobj::update_output_local_symbol_count): Check for local
2453         symbol with unset output index.
2455 2010-03-05  Ian Lance Taylor  <iant@google.com>
2457         * options.h (class General_options): Add --spare-dynamic-tags.
2458         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2459         --spare-dynamic-tags.
2461 2010-03-05  Ian Lance Taylor  <iant@google.com>
2463         * incremental.cc: Include "libiberty.h".
2465 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2467         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2468         function, is_info_ member.
2469         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2470         (Versions::Versions): Update caller.
2471         (Versions::define_base_version): Likewise.
2472         (Versions::add_def): Likewise.
2474 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2476         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2477         (Scan::possible_function_pointer_reloc): New function.
2478         (Scan::local_reloc_may_be_function_pointer): Change to call
2479         possible_function_pointer_reloc.
2480         (Scan::global_reloc_may_be_function_pointer): Ditto.
2481         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2482         relocations in ".data.rel.ro._ZTV" section.
2483         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2484         * testsuite/icf_safe_so_test.cc: Ditto.
2485         * testsuite/icf_safe_test.cc: Ditto.
2486         * testsuite/icf_safe_test.sh: Ditto.
2488 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2489             Ian Lance Taylor  <iant@google.com>
2491         * target-reloc.h (relocate_section): Check the symbol table index
2492         for -1U before setting the local symbol index.
2493         (scan_relocatable_relocs): If copying the relocation, record that
2494         the local symbol is required.
2495         * object.h (Symbol_value::is_output_symtab_index_set): New
2496         function.
2497         (Symbol_value::may_be_discarded_from_output_symtab): New
2498         function.
2499         (Symbol_value::has_output_symtab_entry): New function.
2500         (Symbol_value::needs_output_symtab_entry): Remove.
2501         (Symbol_value::output_symtab_index): Make sure the symbol index is
2502         set.
2503         (Symbol_value::set_output_symtab_index): Make sure the symbol
2504         index is not set.  Make sure the new index is valid.
2505         (Symbol_value::set_must_have_output_symtab_entry): New function.
2506         (Symbol_value::has_output_dynsym_entry): New function.
2507         (Symbol_value::set_output_dynsym_index): Make sure the new index
2508         is valid.
2509         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2510         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2511         local symbol if permitted.
2512         (Sized_relobj::do_finalize_local_symbols): Call
2513         is_output_symtab_index_set rather than needs_output_symtab_entry.
2514         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2515         rather than needs_output_symtab_entry.  Call
2516         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2517         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2518         is_output_symtab_index_set rather than needs_output_symtab_entry.
2519         * testsuite/discard_locals_relocatable_test.c: New file.
2520         * testsuite/discard_locals_test.sh: Test -r.
2521         * testsuite/Makefile.am (check_DATA): Add
2522         discard_locals_relocatable_test1.syms,
2523         discard_local_relocatable_test2.syms.
2524         (MOSTLYCLEANFILES): Likewise.  Also add
2525         discard_locals_relocatable_test1.lout and
2526         discard_locals_relocatable_test2.out.
2527         (discard_locals_relocatable_test1.syms): New target.
2528         (discard_locals_relocatable_test.o): New target.
2529         (discard_locals_relocatable_test1.out): New target.
2530         (discard_locals_relocatable_test2.syms): New target.
2531         (discard_locals_relocatable_test2.out): New target.
2532         (various): Add missing ../ld-new dependencies.
2533         * testsuite/Makefile.in: Rebuild.
2535 2010-03-03  Nick Clifton  <nickc@redhat.com>
2537         * po/fi.po: New Finnish translation.
2539 2010-03-01  Doug Kwan  <dougkwan@google.com>
2541         * layout.cc (Layout::Layout): Force section types of .init_array*,
2542         .preinit_array* and .fini_array* sections.
2543         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2544         Fix check of return value of std::string::find.().
2545         (Output_section::Input_section_sort_compare::operator()): Remove
2546         comment about .init_array.
2547         (Output_section::Input_section_sort_init_fini_compare::operator()):
2548         New method.
2549         (Output_section::sort_attached_input_sections): Handle .init_array
2550         and .fini_array specially.
2551         * output.h (Output_section::Inut_section_sort_compare): Update
2552         comment.
2553         (Output_section::Input_section_sort_init_fini_compare): New struct.
2555 2010-02-26  Doug Kwan  <dougkwan@google.com>
2557         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2558         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2559         * testsuite/debug_msg.sh: Avoid matching source line number for
2560         use of global variable undef_int.
2562 2010-02-26  Doug Kwan  <dougkwan@google.com>
2564         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2565         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2566         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2567         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2568         * options.cc (General_options::General_options): Initialize member
2569         fix_v4bx_.
2570         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2571         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2572         and rm_no_fix_v4bx.stdout
2573         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2574         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2575         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2576         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2577         and arm_no_fix_v4bx.
2578         * Makefile.in: Regenerate.
2579         * testsuite/arm_fix_v4bx.s: New file.
2580         * testsuite/arm_fix_v4bx.sh: Ditto.
2582 2010-02-24  Doug Kwan  <dougkwan@google.com>
2584         * arm.cc (Target_arm::got_section): Make the .got section the first
2585         non RELRO section in the data segment.
2586         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2587         suffixes of section names.
2589 2010-02-24  Doug Kwan  <dougkwan@google.com>
2591         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2592         flags and attributes merging if an input file is a binary file.
2593         * fileread.cc (Input_file::open): Record format of original file.
2594         * fileread.h (Input_file::Format): New enum type.
2595         (Input_file::Input_file): Initialize data member format_.
2596         (Input_file::format): New method definition.
2597         (Input_file::format_):: New data member.
2599 2010-02-24  Doug Kwan  <dougkwan@google.com>
2601         * arm.cc (Arm_output_data_got): New class.
2602         (ARM_TCB_SIZE): New constant
2603         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2604         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2605         If user uses a script with a SECTIONS clause, issue only a warning
2606         for a misplaced EXIDX input section.  Otherwise, issue an error.
2607         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2608         garbage collection.
2609         (Target_arm::got_mode_index_entry): Handle static linking.
2610         (Target_arm::Scan::local): Ditto.
2611         (Target_arm::Scan::global): Ditto.
2612         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2613         all incorrectly implemented relocations.
2614         (Target_arm::fix_exidx_coverage): Pass layout to
2615         Arm_output_section::fix_exidx_coverage.
2616         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2617         from ".ARM.exidx." and ".ARM.extab.".
2619 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2621         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2622         section if it does not already exist.
2623         * attributes.cc (Attributes_section_data::Attributes_section_data):
2624         Don't crash if size is zero.
2626 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2627             Ian Lance Taylor  <iant@google.com>
2629         * gold.cc (queue_middle_tasks): If no input files were opened,
2630         exit.
2631         * workqueue.h (Task_function::Task_function): Assert that there is
2632         a blocker.
2634 2010-02-22  Doug Kwan  <dougkwan@google.com>
2636         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2637         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2638         types to avoid warnings due to different uint64_t implementations
2639         on different hosts.
2641 2010-02-21  Doug Kwan  <dougkwan@google.com>
2643         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2644         handling of the maximum backward branch offset.
2645         (Arm_relocate_functions::thumb_branch_common): Ditto.
2646         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2647         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2648         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2649         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2650         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2651         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2652         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2653         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2654         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2655         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2656         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2657         thumb2_bl_out_of_range.o): New rules.
2658         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2659         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2660         thumb2_bl_out_of_range
2661         * testsuite/Makefile.in: Regenerate.
2662         * testsuite/arm_bl_in_range.s: New file.
2663         * testsuite/arm_bl_out_of_range.s: Ditto.
2664         * testsuite/arm_branch_in_range.sh: Ditto.
2665         * testsuite/arm_branch_range.t: Ditto.
2666         * testsuite/thumb2_branch_range.t: Ditto.
2667         * testsuite/thumb_bl_in_range.s: Ditto.
2668         * testsuite/thumb_bl_out_of_range.s: Ditto.
2669         * testsuite/thumb_branch_range.t: Ditto.
2671 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2673         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2674         Add reloc offset information.
2675         * icf.cc (get_section_contents): Change iterators to point to the new
2676         vectors. Add reloc offset information to the contents.
2677         * icf.h (Icf::Sections_reachable_info): New typedef.
2678         (Icf::Sections_reachable_list): New typedef.
2679         (Icf::Offset_info): New typedef.
2680         (Icf::Reloc_info): New struct typedef.
2681         (Icf::Reloc_info_list): New typedef.
2682         (Icf::symbol_reloc_list): Delete method.
2683         (Icf::addend_reloc_list): Delete method.
2684         (Icf::section_reloc_list): Delete method.
2685         (Icf::reloc_info_list): New method.
2686         (Icf::reloc_info_list_): New member.
2688 2010-02-19  Doug Kwan  <dougkwan@google.com>
2690         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2691         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2692         * arm.cc (Arm_relocation_functions): New forward declaration.
2693         (Target_arm::Target_arm): Initialize new data members
2694         got_mod_index_offset_ and tls_base_symbol_defined_.
2695         (Target_arm::Relocate::relocate_tls): New method.
2696         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2697          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2698         New methods.
2699         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2700         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2701         (Target_arm::got_mod_index_offset_,
2702         Target_arm::tls_base_symbol_defined_): New data members.
2703         (Target_arm::Scan::local, Target::Scan::global,
2704         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2705         relocations.
2707 2010-02-18  Doug Kwan  <dougkwan@google.com>
2709         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2710         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2711         text section as a parameter becuase some broken tools may not set
2712         the link in section header.
2713         (Target_arm::has_got_section): New method.
2714         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2715         without any mapping symbol as data only.  Remove warning.
2716         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2717         link in its section header, try to discover the link by inspecting the
2718         REL31 relocation at the beginning of the section.
2719         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2720         in error message.
2721         (Target_arm::Scan::global): Treat any reference to the symbol
2722         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2724 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2726         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2727         (Scan::global_reloc_may_be_function_pointer): New function.
2728         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2729         (Scan::global_reloc_may_be_function_pointer): New function.
2730         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2731         (Scan::global_reloc_may_be_function_pointer): New function.
2732         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2733         (Scan::global_reloc_may_be_function_pointer): New function.
2734         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2735         (Scan::global_reloc_may_be_function_pointer): New function.
2736         (Scan::possible_function_pointer_reloc): New function.
2737         (Target_x86_64::can_check_for_function_pointers): New function.
2738         * gc.h (gc_process_relocs): Scan relocation types to determine if
2739         function pointers were taken for targets that support it.
2740         * icf.cc (Icf::find_identical_sections): Include functions for
2741         folding in safe ICF whose pointer is not taken.
2742         * icf.h (Secn_fptr_taken_set): New typedef.
2743         (fptr_section_id_): New member.
2744         (section_has_function_pointers): New function.
2745         (set_section_has_function_pointers): New function.
2746         (check_section_for_function_pointers): New function.
2747         * options.h: Fix comment for safe ICF option.
2748         * target.h (can_check_for_function_pointers): New function.
2749         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2750         Modify icf_safe_test for X86-64.
2751         * testsuite/Makefile.in: Regenerate.
2752         * testsuite/icf_safe_so_test.cc: New file.
2753         * testsuite/icf_safe_so_test.sh: New file.
2754         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2755         (main): Change to take pointer to function kept_func_3.
2756         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2757         folding is done correctly for X86-64.
2759 2010-02-12  David S. Miller  <davem@davemloft.net>
2761         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2762         is_symbolless parameter.
2763         (Output_reloc<SHT_REL>::is_symbolless): New.
2764         (Output_reloc<SHT_REL>::is_symbolless_): New.
2765         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2766         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2767         (Output_reloc<SHT_RELA>::is_symbolless): New.
2768         (Output_data_reloc::add_global): Handle is_symbolless.
2769         (Output_data_reloc::add_global_relative): Likewise.
2770         (Output_data_reloc::add_local): Likewise.
2771         (Output_data_reloc::add_local_relative): Likewise.
2772         (Output_data_reloc::add_symbolless_global_addend): New.
2773         (Output_data_reloc::add_symbolless_local_addend): New.
2774         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2775         is_symbolless.
2776         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2777         instead of ->is_relative_
2778         (Output_reloc::write): Likewise.
2779         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2780         (Output_reloc::write_rel): Simplify.
2782         * sparc.cc (Target_sparc::Scan::local): Use
2783         ->add_symbolless_local_addend as needed.
2784         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2785         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2786         based upon relocation offset.
2788 2010-02-11  Doug Kwan  <dougkwan@google.com>
2790         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2791         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2792         beginning of function.
2793         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2794         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2795         parameter is_32bit in calls to should_apply_static_reloc.
2796         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2797         (check_DATA): Add arm_abs_global.stdout.
2798         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2799         arm_abs_global.stdout): New rules.
2800         (MOSTLLYCLEANFILES): Add arm_abs_global
2801         * Makefile.in: Regenerate.
2802         * testsuite/arm_abs_global.s: New file.
2803         * testsuite/arm_abs_global.sh: Ditto.
2804         * testsuite/arm_abs_lib.s: Ditto.
2806 2010-02-11  Ian Lance Taylor  <iant@google.com>
2808         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2809         Read_relocs task.
2810         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2811         Allocate_commons_task first.
2812         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2813         task, rather than symtab_lock_.
2814         (Gc_process_relocs::~Gc_process_relocs): New function.
2815         (Gc_process_relocs::is_runnable): Check this_blocker_.
2816         (Gc_process_relocs::locks): Use next_blocker_ rather than
2817         blocker_.
2818         (Scan_relocs::~Scan_relocs): New function.
2819         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2820         symtab_lock_.
2821         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2822         next_blocker_.
2823         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2824         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2825         constructor accordingly.
2826         (class Gc_process_relocs): Likewise.
2827         (class Scan_relocs): Likewise.
2828         * common.h (class Allocate_commons_task): Remove symtab_lock_
2829         field, and corresponding constructor parameter.
2830         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2831         symtab_lock_.
2832         (Allocate_commons_task::locks): Likewise.
2834 2010-02-11  Ian Lance Taylor  <iant@google.com>
2836         * gold-threads.h (class Once): Define.
2837         (class Initialize_lock): Rewrite as child of Once.
2838         * gold-threads.cc (class Once_initialize): Define.
2839         (once_pointer_control): New static variable.
2840         (once_pointer, once_arg): New static variables.
2841         (c_run_once): New static function.
2842         (Once::Once, Once::run_once, Once::internal_run): New functions.
2843         (class Initialize_lock_once): Remove.
2844         (initialize_lock_control): Remove.
2845         (initialize_lock_pointer): Remove.
2846         (initialize_lock_once): Remove.
2847         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2848         (Initialize_lock::initialize): Rewrite.
2849         (Initialize_lock::do_run_once): New function.
2850         * archive.cc (Archive::interpret_header): Only clear name if it is
2851         not already empty.
2852         * fileread.cc: Include "gold-threads.h"
2853         (file_counts_lock): New static variable.
2854         (file_counts_initialize_lock): Likewise.
2855         (File_read::release): Only increment counts when using --stats.
2856         Use a lock around the increment.
2857         * parameters.cc (class Set_parameters_target_once): Define.
2858         (set_parameters_target_once): New static variable.
2859         (Parameters::Parameters): Move here from parameters.h.
2860         (Parameters::set_target): Rewrite.
2861         (Parameters::set_target_once): New function.
2862         (Parameters::clear_target): Move here and rewrite.
2863         * parameters.h (class Parameters): Update declarations.  Add
2864         set_parameters_target_once_ field.
2865         (Parameters::Parameters): Move to parameters.cc.
2866         (Parameters::clear_target): Likewise.
2867         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2868         task.
2869         (Start_group::~Start_group): New function.
2870         (Start_group::is_runnable): New function.
2871         (Start_group::locks, Start_group::run): New functions.
2872         (Finish_group::run): Change saw_undefined to size_t.
2873         * readsyms.h (class Start_group): Define.
2874         (class Finish_group): Change saw_undefined_ field to size_t.
2875         (Finish_group::Finish_group): Remove saw_undefined and
2876         this_blocker parameters.  Change all callers.
2877         (Finish_group::set_saw_undefined): New function.
2878         (Finish_group::set_blocker): New function.
2879         * symtab.h (class Symbol_table): Change saw_undefined to return
2880         size_t.  Change saw_undefined_ field to size_t.
2881         * target-select.cc (Set_target_once::do_run_once): New function.
2882         (Target_selector::Target_selector): Initialize set_target_once_
2883         field.  Don't initialize lock_ and initialize_lock_ fields.
2884         (Target_selector::instantiate_target): Rewrite.
2885         (Target_selector::set_target): New function.
2886         * target-select.h (class Set_target_once): Define.
2887         (class Target_selector): Update declarations.  Make
2888         Set_target_once a friend.  Remove lock_ and initialize_lock_
2889         fields.  Add set_target_once_ field.
2891 2010-02-10  Ian Lance Taylor  <iant@google.com>
2893         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2894         queueing any tasks.
2895         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2896         (queue_middle_tasks): Add all blockers before queueing any tasks.
2897         (queue_final_tasks): Likewise.
2898         * token.h (Task_token::add_blockers): New function.
2899         * object.h (Input_objects::number_of_relobjs): New function.
2901 2010-02-10  Ian Lance Taylor  <iant@google.com>
2903         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2904         shared, not if not position independent.
2905         * x86_64.cc (Relocate::relocate_tls): Likewise.
2906         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2907         (tls_pie_pic_test): New target.
2908         * testsuite/Makefile.in: Rebuild.
2910         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2911         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2912         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2913         * testsuite/Makefile.in: Rebuild.
2915 2010-02-09  David S. Miller  <davem@davemloft.net>
2917         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2918         R_SPARC_RELATIVE using ->add_local_relative().
2919         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2921         * output.h (Output_data_dynamic::add_section_size): New method
2922         that takes two Output_data objects.
2923         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2924         entry param.  Handle it in initializers.
2925         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2926         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2927         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2928         arg.
2929         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2930         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2931         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2932         for dynrel_includes_plt.
2933         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2934         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2935         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2936         before .rela.plt
2937         (Target_sparc::do_finalize_sections): Update to pass true for
2938         dynrel_includes_plt.
2939         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2940         output before .rela.plt
2941         (Target_powerpc::do_finalize_sections): Update to pass true for
2942         dynrel_includes_plt when 32-bit.
2944 2010-02-08  Doug Kwan  <dougkwan@google.com>
2946         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2947         method.
2948         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2949         Arm_relobj::scan_section_for_cortex_a8_stubs,
2950         Arm_relobj::do_relocation_section): Instead of calling
2951         Output_section::output_address, use faster
2952         Arm_relobj::simple_input_section_output_address.
2954 2010-02-08  David S. Miller  <davem@davemloft.net>
2956         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2957         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2958         relocation helper function.
2960         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2961         just like R_SPARC_GOT{10,13,22}.
2962         (Target_sparc::Scan::local): Likewise.
2963         (Target_sparc::Relocate:relocate): Likewise.
2965 2010-02-06  Ian Lance Taylor  <iant@google.com>
2967         * configure.ac: Rewrite targetobjs duplicate removal code to use
2968         only shell constructs.
2969         * configure: Rebuild.
2971 2010-02-05  Doug Kwan  <dougkwan@google.com>
2973         PR 11247
2974         * arm.cc (Arm_relobj::section_is_scannable): New method.
2975         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2976         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2978 2010-02-04  Doug Kwan  <dougkwan@google.com>
2980         PR 11247
2981         * arm-reloc-property.cc (cstdio): Include.
2982         * configure.ac (targetobjs): Remove duplicates.
2983         * configure: Regenerate.
2984         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2985         big and little endian version for a given address size.
2987 2010-02-03  Doug Kwan  <dougkwan@google.com>
2989         * arm-reloc-property.cc
2990         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2991         definition.
2992         * arm-reloc-property.h
2993         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2994         New method definition.
2995         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2996         declaration.
2997         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2998         overflow to N.
2999         (GOT_PREL): Change implemented to Y.
3000         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3001         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3002         (Arm_relocate_functions::movw_abs_nc): Remove method.
3003         (Arm_relocate_functions::movt_abs): Ditto.
3004         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3005         (Arm_relocate_functions::thm_movt_abs): Ditto.
3006         (Arm_relocate_functions::movw_rel_nc): Ditto.
3007         (Arm_relocate_functions::movw_rel): Ditto.
3008         (Arm_relocate_functions::movt_rel): Ditto.
3009         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3010         (Arm_relocate_functions:thm_movw_rel): Ditto.
3011         (Arm_relocate_functions:thm_movt_rel): Ditto.
3012         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3013         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3014         New method definitions.
3015         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3016         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3017         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3018         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3019         (Target_arm::Relocate::relocate): Check for non-static or
3020         unimplemented relocation code and exit early.  Change calls to
3021         Target_arm::reloc_uses_thumb_bit and
3022         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3023         instead.  Refactor code to handle similar relocations to increase
3024         code sharing.  Remove check for unsupported relocation code in switch
3025         statement.
3026         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3027         relocation property table to find out size.  Change error message to
3028         print out the name of a relocation code instead of the numeric value.
3029         (Target_arm::scan_reloc_for_stub): Use relocation property table
3030         instead of calling Target_arm::reloc_uses_thumb_bit().
3032 2010-02-02  Doug Kwan  <dougkwan@google.com>
3034         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3035         types of relaxed input section.
3037 2010-02-02  Doug Kwan  <dougkwan@google.com>
3039         * Makefile.am (HFILES): Add arm-reloc-property.h.
3040         (DEFFILES): New.
3041         (TARGETSOURCES): Add arm-reloc-property.cc
3042         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3043         (libgold_a_SOURCES): $(DEFFILES)
3044         * Makefile.in: Regenerate.
3045         * arm-reloc-property.cc: New file.
3046         * arm-reloc-property.h: New file.
3047         * arm-reloc.def: New file.
3048         * arm.cc: Update comments.
3049         (arm-reloc-property.h): New included header.
3050         (arm_reloc_property_table): New global variable.
3051         (Target_arm::do_select_as_default_target): New method definition.
3052         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3053         arm-reloc-property to targ_extra_obj.
3054         * parameters.cc (set_parameters_target): Call
3055         Target::select_as_default_target().
3056         * target.h (Target::select_as_default_target): New method definition.
3057         (Target::do_select_as_default_target): Same.
3059 2010-02-01  Doug Kwan  <dougkwan@google.com>
3061         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3062         first_output_text_section_.
3063         (Arm_exidx_fixup::first_output_text_section): New method definition.
3064         (Arm_exidx_fixup::first_output_text_section_): New data member.
3065         (Arm_exidx_fixup::process_exidx_section): Record the first text
3066         output section seen.
3067         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3068         and entsize in output section header.
3070 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3072         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3073         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3074         (Arm_relocate_functions::thm_alu11): New Method.
3075         (Arm_relocate_functions::thm_pc8): New Method.
3076         (Arm_relocate_functions::thm_pc12): New Method.
3077         (Target_arm::Scan::local): Handle the relocations.
3078         (Target_arm::Scan::global): Likewise.
3079         (Target_arm::Relocate::relocate): Likewise.
3080         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3082 2010-01-29  Doug Kwan  <dougkwan@google.com>
3084         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3085         of relocation types as ld.
3087 2010-01-29  Doug Kwan  <dougkwan@google.com>
3089         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3090         to public.
3091         (Arm_relocate_functions::thumb_branch_common): Ditto.
3092         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3093         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3094         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3095         Arm_relocate_functions::jump24): Remove.
3096         (Target_arm::Relocate::relocate): Adjust code to call
3097         Arm_relocation_functions::arm_branch_common and
3098         Arm_relocation_functions::thumb_branch_common instead of their removed
3099         wrappers.  Merge switch-cases together to reduce source code size.
3101 2010-01-29  Doug Kwan  <dougkwan@google.com>
3103         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3104         output_local_symbol_count_needs_update_.
3105         (Arm_relobj::output_local_symbol_count_needs_update,
3106          Arm_relobj::set_output_local_symbol_count_needs_update,
3107          Arm_relobj::update_output_local_symbol_count): New methods.
3108         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3109         member.
3110         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3111         of pointed function as in a R_ARM_PREL31 relocation.
3112         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3113         for output local symbol count updating.
3114         (Target_arm::do_relax): Update output local symbol counts in objects
3115         if necessary.
3116         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3118 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3120         * arm.cc: Added support for the ARM relocations:
3121         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3122         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3123         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3124         movw_prel_nc).
3125         (Arm_relocate_functions::movw_rel): New method.
3126         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3127         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3128         thm_movw_prel_nc).
3129         (Arm_relocate_functions::thm_movw_rel): New method.
3130         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3131         thm_movt_prel).
3132         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3133         relocations.
3134         (Target_arm::Scan::global): Likewise.
3135         (Target_arm::Relocate::relocate): Likewise.
3136         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3137         Likewise.
3139 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3141         * arm.cc: Added support for ARM group relocations.
3142         (Target_arm::reloc_needs_sym_origin): New method.
3143         (Arm_relocate_functions::calc_grp_kn): New method.
3144         (Arm_relocate_functions::calc_grp_residual): New method.
3145         (Arm_relocate_functions::calc_grp_gn): New method.
3146         (Arm_relocate_functions::arm_grp_alu): New Method.
3147         (Arm_relocate_functions::arm_grp_ldr): New Method.
3148         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3149         (Arm_relocate_functions::arm_grp_ldc): New Method.
3150         (Target_arm::Scan::local): Handle the ARM group relocations.
3151         (Target_arm::Scan::global): Likewise.
3152         (Target_arm::Relocate::relocate): Likewise.
3153         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3154         Likewise.
3156 2010-01-26  Doug Kwan  <dougkwan@google.com>
3158         * arm.cc (set): Include.
3159         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3160         pointer type.
3161         (Arm_output_section::Text_section_list): New type.
3162         (Arm_output_section::append_text_sections_to_list): New method.
3163         (Arm_output_section::fix_exidx_coverage): Ditto.
3164         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3165         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3166         Relobj::set_section_offset() instead of
3167         Sized_relobj::invalidate_section_offset().
3168         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3169         parameter for section headers. Ignore relocation sections for
3170         unallocated sections and EXIDX sections.
3171         (Target_arm::fix_exidx_coverage): New method.
3172         (Target_arm::output_section_address_less_than): New type.
3173         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3174         linked text section instead of the EXIDX section.
3175         (Arm_output_section::create_stub_group): Add an assertion to check
3176         that this is not an EXIDX output section.
3177         (Arm_output_section::append_text_sections_to_list): New method.
3178         (Arm_output_section::fix_exidx_coverage): Ditto.
3179         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3180         Arm_relobj::section_needs_reloc_stub_scanning.
3181         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3182         first pass.
3183         (Target_arm::fix_exidx_coverage): New method.
3184         * object.h (Relobj::set_output_section): New method.
3185         (Sized_relobj::invalidate_section_offset): Remove method.
3186         (Sized_relobj::do_invalidate_section_offset): Remove method.
3187         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3189 2010-01-25  Doug Kwan  <dougkwan@google.com>
3191         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3192         Fix warning due to signed and unsigned comparison on a 32-bit host.
3194 2010-01-22  Doug Kwan  <dougkwan@google.com>
3196         * arm.cc (Target_arm::do_relax): Record an output section for section
3197         offset adjustment it contains any stub table that has changed.
3198         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3199         offsets in an output section if necessary.
3200         * output.cc (Output_section::Output_section): Initialize
3201         section_offsets_need_adjustments_.
3202         (Output_section::add_input_section_for_script): Renamed to
3203         Output_section::add_simple_input_section.
3204         (Output_section::save_states): Add a comment.
3205         (Output_section::discard_states): New method defintion.
3206         (Output_section::adjust_section_offsets): Same.
3207         * output.h (Output_section::add_input_section_for_script): Renamed to
3208         Output_section::add_simple_input_section.
3209         (Output_section::discard_states): New method declaration.
3210         (Output_section::adjust_section_offsets): Same.
3211         (Output_section::section_offsets_need_adjustment,
3212         Output_section::set_section_offsets_need_adjustment): New method
3213         definitions.
3214         (Output_section::section_offsets_need_adjustment_): New data member.
3215         * script-sections.cc
3216         (Output_section_element_input::set_section_address): Adjust code for
3217         renaming of Output_section::add_input_section_for_script.
3218         (Orphan_output_section::set_section_address): Same.
3220 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3222         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3223         Fix_v4bx enum values .
3224         * gold/options.h (General_options): New option definitions.
3225         (General_options::fix_v4bx): New method.
3226         (General_options::Fix_v4bx): New enum.
3227         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3228         (General_options::parse_fix_v4bx_interworking): New method.
3230 2010-01-22  Doug Kwan  <dougkwan@google.com>
3232         * arm.cc (Arm_exidx_fixup): New class.
3234 2010-01-21  Doug Kwan  <dougkwan@google.com>
3236         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3237         classes.
3238         (Arm_exidx_section_offset_map): New type.
3240 2010-01-21  Doug Kwan  <dougkwan@google.com>
3242         * arm.cc (Arm_exidx_input_section): New class.
3243         (Arm_relobj::exidx_input_section_by_link,
3244         Arm_relobj::exidx_input_section_by_shndx,
3245         Arm_relobj::make_exidx_input_section): New methods.
3246         (read_arm_attributes_section): Remove.
3247         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3248         information about them.
3249         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3250         to here.
3252 2010-01-20  Doug Kwan  <dougkwan@google.com>
3254         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3255         Input_section_specifier to Section_id.
3256         (Target_arm::new_arm_input_section: Adjust code for change of key
3257         type.
3258         (Target_arm::find_arm_input_section): Ditto.
3259         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3260         (Section_id): Remove.
3261         (Garbage_collection::Section_id_hash): Remove.
3262         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3263         (Section_id): Remove.
3264         (Icf::Section_id_hash): Remove.
3265         * object.h (Section_id, Const_section_id, Section_id_hash,
3266         Const_section_id_hash): New type definitions.
3267         * output.cc (Output_section::add_relaxed_input_section): Change to
3268         use Const_section_id instead of Input_section_specifier as key type.
3269         (Output_section::add_merge_input_section): Ditto.
3270         (Output_section::build_relaxation_map): Change to use Section_id
3271         instead of Input_section_specifier as key type.
3272         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3273         Ditto.
3274         (Output_section::convert_input_sections_to_relaxed_sections): Change
3275         to use Const_section_id instead of Input_section_specifier as key type.
3276         (Output_section::find_merge_section): Ditto.
3277         (Output_section::find_relaxed_input_section): Ditto.
3278         * output.h (Input_section_specifier): Remove class.
3279         (Output_section::Output_section_data_by_input_section_map): Change
3280         key type to Const_section_id.
3281         (Output_section::Output_relaxed_input_section_by_input_section_map):
3282         Ditto.
3283         (Output_section::Relaxation_map): Change key type to Section_id.
3285 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3287         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3288         (class Arm_v4bx_stub): New class.
3289         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3290         (Stub_factory::make_arm_v4bx_stub): New method.
3291         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3292         (Stub_table::empty): Handle v4bx stubs.
3293         (Stub_table::add_arm_v4bx_stub): New method.
3294         (Stub_table::find_arm_v4bx_stub): New method.
3295         (Arm_relocate_functions::v4bx): New method.
3296         (Target_arm::fix_v4bx): New method.
3297         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3298         (Stub_table::relocate_stubs): Likewise.
3299         (Stub_table::do_write): Likewise.
3300         (Stub_table::update_data_size_and_addralign): Likewise.
3301         (Stub_table::finalize_stubs):  Likewise.
3302         (Target_arm::Scan::local): Likewise.
3303         (Target_arm::Scan::global): Likewise.
3304         (Target_arm::do_finalize_sections): Likewise.
3305         (Target_arm::Relocate::relocate): Likewise.
3306         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3307         Likewise.
3308         (Target_arm::scan_reloc_for_stub): Likewise.
3309         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3311 2010-01-19  Ian Lance Taylor  <iant@google.com>
3313         * output.cc (Output_section_headers::do_sized_write): Write large
3314         segment count to sh_info field.
3315         (Output_file_header::do_sized_write): For large segment count,
3316         write PN_XNUM to e_phnum field.
3318 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3320         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3321         (Arm_relocate_functions::thm_jump8): New function.
3322         (Arm_relocate_functions::thm_jump11): New function.
3323         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3324         R_ARM_THM_JUMP11.
3325         (Target_arm::Scan::global): Likewise.
3326         (Target_arm::Relocate::relocate): Likewise.
3327         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3328         Likewise.
3330 2010-01-14  Doug Kwan  <dougkwan@google.com>
3332         * arm.cc (map, utility): Include headers.
3333         (Target_arm::apply_cortex_a8_workaround): New method.
3334         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3335         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3336         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3337         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3338         the --[no-]fix-cortex-a8 command line options.
3339         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3340         (Target_arm::relocate_stub): Use addend in instruction template.
3341         * options.h (DEFINE_bool): Set the user-set flag.
3342         (General_options): Add --[no-]-fix-cortex options.
3343         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3344         : Update fast look-up map after conversion.
3346 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3348         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3349         in the first pass of do_layout.
3351 2010-01-13  Doug Kwan  <dougkwan@google.com>
3353         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3354         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3355         apparent compiler problem of not folding static constant integral
3356         data members of elfcpp::Elf_sizes<32>.
3358 2010-01-13  Doug Kwan  <dougkwan@google.com>
3360         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3361         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3362         Arm_relobj::scan_section_for_cortex_a8_erratum,
3363         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3364         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3365         sections to scan for relocation stubs into a new method
3366         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3367         relocation and Cortex-A8 stub scanning.
3368         (Target_arm::do_relax): Force stubs to be after stubbed sections
3369         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3370         the beginning of a new relaxation pass.  Update a comment.
3371         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3373 2010-01-12  Ian Lance Taylor  <iant@google.com>
3375         * target-reloc.h (visibility_error): New inline function.
3376         (relocate_section): Call visibility_error.
3377         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3378         (MOSTLYCLEANFILES): Likewise.
3379         (protected_4_pic.o, protected_3.err): New targets.
3380         * testsuite/protected_4.cc: New file.
3382 2010-01-12  Doug Kwan  <dougkwan@google.com>
3384         * arm.cc (Cortex_a8_reloc): New class.
3385         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3386         and cortex_a8_relocs_info_.
3387         (Target_arm::fix_cortex_a8): New method definition.
3388         (Target_arm::Cortex_a8_relocs_info): New type.
3389         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3390         New data member declarations.
3391         (Target_arm::scan_reloc_for_stub): Record information about
3392         relocations for THUMB branches that might be exempted from the
3393         Cortex-A8 workaround.
3394         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3395         at the beginning of a relaxation pass.
3397 2010-01-12  Doug Kwan  <dougkwan@google.com>
3399         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3400         (Arm_relobj::Mapping_symbol_position,
3401          Arm_reloj::Mapping_symbol_position_less,
3402          Arm_relobj::Mapping_symbols_info): New types.
3403         (Target_arm::is_mapping_symbol_name): New method definition.
3404         (Arm_relobj::do_count_local_symbols): Save information about mapping
3405         symbols.
3407 2010-01-11  Doug Kwan  <dougkwan@google.com>
3409         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3410         Arm_relocate_functions::thumb32_branch_upper,
3411         Arm_relocate_functions::thumb32_branch_lower,
3412         Arm_relocate_functions::thumb32_cond_branch_offset,
3413         Arm_relocate_functions::thumb32_cond_branch_upper,
3414         Arm_relocate_functions::thumb32_cond_branch_lower,
3415         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3416         branch offset encoding.
3417         (Arm_relocate_functions::thumb_branch_common): Use new branch
3418         offset encoding methods to avoid code duplication.
3419         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3420         (Stub_addend_reader::operator()): Use new branch encoding method
3421         to avoid code duplication.
3423 2010-01-11  Doug Kwan  <dougkwan@google.com>
3425         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3426         (Target_arm::do_finalize_sections): Define special EXIDX section
3427         symbols only if referenced.
3428         * gc.h (Garbage_collection::add_reference): New method.
3429         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3430         code duplication.
3432 2010-01-11  Ian Lance Taylor  <iant@google.com>
3434         * script.cc (Version_script_info::build_expression_list_lookup):
3435         Change complaing about duplicate wildcard match from error to
3436         warning.
3438         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3439         of 2009-12-30.
3440         (Version_script_info::Version_script_info): Initialize globs_,
3441         default_version_, default_is_global_, and exact_.  Don't
3442         initialize globals_ or locals_.
3443         (Version_script_info::build_lookup_tables): Build local symbols
3444         first.
3445         (Version_script_info::unquote): New function.
3446         (Version_script_info::add_exact_match): New function.
3447         (Version_script_info::build_expression_list_lookup): Remove lookup
3448         parameter.  Add is_global parameter.  Change all callers.  Handle
3449         wildcard pattern specially.  Unquote pattern.  Call
3450         add_exact_match.
3451         (Version_script_info::get_name_to_match): New function.
3452         (Version_script_info::get_symbol_version): New function.
3453         (Version_script_info::get_symbol_version_helper): Remove.
3454         (Version_script_info::check_unmatched_names): Call unquote.
3455         * script.h (class Version_script_info): Change get_symbol_version
3456         to be non-inline and add is_global parameter; change all callers.
3457         Rewrite symbol_is_local.  Update declarations.  Define struct
3458         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3459         Remove globals_ and locals_ members.  Add exact_, globs_,
3460         default_version_, is_global_.
3461         (Version_script_info::Glob): Remove pattern, add expression and
3462         is_global.  Update constructor.  Change all callers.
3463         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3464         default version.
3465         (Versions::symbol_section_contents): If a symbol is undefined, or
3466         defined in a dynamic object, set the version index to
3467         VER_NDX_LOCAL.
3468         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3469         symbol_is_local.
3470         (Symbol_table::add_from_pluginobj): Likewise.
3471         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3473 2010-01-11  Doug Kwan  <dougkwan@google.com>
3475         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3476         (incremental_dump_LDADD): Add linking option for libintl.
3477         * Makefile.in: Regenerate.
3479 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3481         PR gold/11144
3482         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3483         instead of -Ds.
3484         * testsuite/Makefile.in: Regenerated.
3486 2010-01-10  Doug Kwan  <dougkwan@google.com>
3488         * options.h (DEFINE_var): Use parentheses around argument varname__
3489         in macro body to avoid any unintended subsequent substitutions.
3491 2010-01-10  Ian Lance Taylor  <iant@google.com>
3493         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3494         candidates before doing symbol resolution.
3496         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3497         ODR candidates if only one is weak.
3499 2010-01-08  Ian Lance Taylor  <iant@google.com>
3501         * script.cc (Version_script_info::build_expression_list_lookup):
3502         Don't warn about ambiguous version, just record the ambiguity.
3503         (Version_script_info::get_symbol_version_helper): Give error if
3504         version is ambiguous.
3506 2010-01-08  Doug Kwan  <dougkwan@google.com>
3508         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3509           prev_data_size_ and prev_addralign_.  Remove initializer for
3510           deleted data member has_been_changed_.
3511           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3512           to determine if the table is empty.
3513           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3514           Remove.
3515           (Stub_table::add_reloc_stub): Define method in class definition
3516           instead of just declaring it there.
3517           (Stub_table::add_cortex_a8_stub): New method definition.
3518           (Stub_table::update_data_size_and_addralign): Ditto.
3519           (Stub_table::finalize_stubs): Ditto.
3520           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3521           (Stub_table::do_addralign_): Return address alignment in the
3522           (Stub_table::do_reset_address_and_file_offset): Define method in
3523           class definition instead of declaring it there.  Set current data
3524           size to be the data size of the previous pass.
3525           (Stub_table::set_final_data_size): Use current data size as the
3526           final data size.
3527           (Stub_table::relocate_stub): Change parameter type of stub from
3528           Reloc_stub pointer to Stub pointer.
3529           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3530           (Stub_table::Cortex_a8_stub_list): New typedef.
3531           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3532            Stub_table::prev_addralign_): New data member.
3533           (Arm_relobj::Arm_relobj): Initialize data member
3534           section_has_cortex_a8_workaround_.
3535           (Arm_relobj::section_has_cortex_a8_workaround,
3536            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3537            definitions.
3538           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3539           declarations.
3540           (Target_arm::relocate_stub): Change parameter type of stub from
3541           Reloc_stub pointer to Stub pointer.
3542           (Insn_template::size, Insn_template::alignment): Handle
3543           THUMB16_SPECIAL_TYPE.
3544           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3545            Stub_table::update_data_size_and_addralign,
3546            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3547           definitions.
3548           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3549           (Stub_table::do_write): Ditto.
3550           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3552 2010-01-08  Ian Lance Taylor  <iant@google.com>
3554         PR 11108
3555         * symtab.h (class Symbol): Remove fields is_target_special_ and
3556         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3557         (Symbol::is_defined_in_discarded_section): New function.
3558         (Symbol::set_is_defined_in_discarded_section): New function.
3559         (Symbol::has_plt_offset): Rewrite.
3560         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3561         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3562         Don't initialize is_target_special_ or has_plt_offset_.
3563         Initialize is_defined_in_discarded_section_.
3564         (Symbol_table::add_from_relobj): If appropriate, set
3565         is_defined_in_discarded_section.
3566         * resolve.cc (Symbol::override_base_with_special): Don't test
3567         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3568         * target-reloc.h (relocate_section): Do special handling for
3569         symbols defined in discarded sections for global symbols as well
3570         as local symbols.
3572 2010-01-08  Ian Lance Taylor  <iant@google.com>
3574         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3575         the SHT_SYMTAB case.
3577 2010-01-08  Ian Lance Taylor  <iant@google.com>
3579         * object.cc (Sized_relobj::do_layout): Don't get confused if
3580         layout_eh_frame returns NULL.
3582 2010-01-08  Ian Lance Taylor  <iant@google.com>
3584         PR 11084
3585         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3586         dynamic symbol table, use the normal symbol table.
3587         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3588         symbol table.
3590 2010-01-08  Ian Lance Taylor  <iant@google.com>
3592         PR 11072
3593         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3594         sections.
3596 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3598         * version.cc (print_version): Change to "Copyright 2010".
3600 2010-01-08  Ian Lance Taylor  <iant@google.com>
3602         PR 10287
3603         PR 11063
3604         * i386.cc (class Target_i386): Change return type of plt_section
3605         to be non-const.
3606         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3607         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3608         tls_desc_rel_ field.
3609         (Output_data_plt_i386::rel_tls_desc): New function.
3610         (Target_i386::rel_tls_desc_section): New function.
3611         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3612         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3613         R_386_TLS_DESC reloc in rel_tls_desc_section.
3614         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3615         Define struct Tlsdesc_info.
3616         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3617         (Target_x86_64::do_reloc_symbol_index): New function.
3618         (Target_x86_64::add_tlsdesc_info): New function.
3619         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3620         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3621         tlsdesc_rel_ field.
3622         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3623         all callers.
3624         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3625         (Target_x86_64::rela_tlsdesc_section): New function.
3626         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3627         handling.
3628         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3629         (Target_x86_64::do_reloc_addend): New function.
3630         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3631         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3632         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3633         (Output_reloc::type): New function.
3634         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3635         (Output_reloc::is_target_specific): New function.
3636         (Output_reloc::target_arg): New function.
3637         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3638         absolute relocs and target specific relocs.
3639         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3640         add_target_specific.
3641         (class Output_data_reloc) [SHT_RELA]: Likewise.
3642         * output.cc (Output_reloc::Output_reloc): Add four new versions
3643         for absolute relocs and target specific relocs.
3644         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3645         (Output_reloc::get_symbol_index): Likewise.
3646         (Output_reloc::local_section_offset): Check that local_sym_index_
3647         is not TARGET_CODE or 0.
3648         (Output_reloc::symbol_value): Likewise.
3649         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3650         reloc.
3651         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3652         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3653         functions.
3654         * layout.cc (add_target_dynamic_tags): Use output section for
3655         DT_PLTRELSZ and DT_JMPREL.
3657 2010-01-07  Ian Lance Taylor  <iant@google.com>
3659         PR 11061
3660         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3661         function.
3662         (class Output_data_reloc_generic): Define.
3663         (class Output_data_reloc_base): Change base class to
3664         Output_data_reloc_generic.  Change add() method to call
3665         bump_relative_reloc_count for a relative reloc.  Remove
3666         sort_relocs_ field.
3667         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3668         to sort_relocs().
3669         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3670         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3671         appropriate.
3672         * layout.h (class Layout): Update declaration.
3674 2010-01-07  Ian Lance Taylor  <iant@google.com>
3676         * output.h (class Output_data): Add const version of
3677         output_section and do_output_section.
3678         (class Output_section_data): Add const version of
3679         do_output_section.
3680         (class Output_section): Likewise.
3681         * layout.cc (Layout::add_target_dynamic_tags): New function.
3682         * layout.h (class Layout): Update declarations.
3683         * arm.cc (Target_arm::do_finalize_sections): Use
3684         add_target_dynamic_tags.
3685         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3686         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3687         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3688         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3690 2010-01-07  Ian Lance Taylor  <iant@google.com>
3692         PR 11042
3693         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3694         object as needed.
3696 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3697             Ian Lance Taylor  <iant@google.com>
3699         PR 11019
3700         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3701         Xindex::read_symtab_xindex.
3703 2010-01-07  Doug Kwan  <dougkwan@google.com>
3705         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3706         (Insn_template::thumb16_bcond_insn): New method declaration.
3707         (Insn_template): Fix spelling.
3708         (Stub::thumb16_special): New method declaration.
3709         (Stub::do_write): Define virtual method which was previously pure
3710         virtual.
3711         (Stub::do_thumb16_special): New method declaration.
3712         (Stub::do_fixed_endian_write): New template member.
3713         (Reloc_stub::do_write): Remove.
3714         (Reloc_stub::do_fixed_endian_write): Remove.
3715         (Cortex_a8_stub): New class definition.
3716         (Stub_factory::make_cortex_a8_stub): New method definition.
3717         (Stub_factory::Stub_factory): Add missing static storage class
3718         qualifier for elf32_arm_stub_a8_veneer_blx.
3720 2010-01-07  Ian Lance Taylor  <iant@google.com>
3722         PR 10980
3723         * options.h (class General_options): Add --warn-unresolved-symbols
3724         and --error-unresolved-symbols.
3725         * errors.cc (Errors::undefined_symbol): Implement
3726         --warn-unresolved-symbols.
3728         * options.h (class General_options): Add -z text and -z textoff.
3729         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3731 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3733         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3734         (Garbage_collection::cident_sections): New function.
3735         (Garbage_collection::add_cident_section): New function.
3736         (Garbage_collection::cident_sections_): New member.
3737         (gc_process_relocs): Add references to sections whose names are C
3738         identifiers.
3739         * gold.h (cident_section_start_prefix): New constant.
3740         (cident_section_stop_prefix): New constant.
3741         (is_cident): New function.
3742         * layout.cc (Layout::define_section_symbols): Replace string constants
3743         with the newly defined constants.
3744         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3745         C identifiers.
3746         * testsuite/Makefile.am: Add gc_orphan_section_test.
3747         * testsuite/Makefile.in: Regenerate.
3748         * testsuite/gc_orphan_section_test.cc: New file.
3749         * testsuite/gc_orphan_section_test.sh: New file.
3751 2010-01-06  Ian Lance Taylor  <iant@google.com>
3753         PR 10980
3754         * options.h (class General_options): Add --warn-shared-textrel.
3755         * layout.cc (Layout::finish_dynamic_section): Implement
3756         --warn-shared-textrel.
3758         PR 10980
3759         * options.h (class General_options): Add --warn-multiple-gp.
3761 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3763         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3764         $(THREADSLIB) and $(LIBDL).
3765         * Makefile.in: Rebuild.
3767 2010-01-06  Ian Lance Taylor  <iant@google.com>
3769         PR 10980
3770         * options.cc (General_options::parse_section_start): New function.
3771         (General_options::section_start): New function.
3772         (General_options::General_options): Initialize all members.
3773         * options.h: Include <map>
3774         (class General_options): Add --section-start.  Add section_starts_
3775         member.
3776         * layout.cc (Layout::attach_allocated_section_to_segment): If
3777         --section-start was used, set the address of the segment.  Remove
3778         local sort_sections.
3779         (Layout::relaxation_loop_body): If the address of the load segment
3780         has been set by --section-start, don't use it.
3781         * output.h (Output_segment::update_flags_for_output_section): New
3782         function.
3783         * output.cc (Output_segment::add_output_section): Call
3784         update_flags_for_output_section.
3786 2010-01-05  Ian Lance Taylor  <iant@google.com>
3788         PR 10980
3789         * options.h (class General_options): Add --undefined-version.
3790         * script.cc (struct Version_expression): Add was_matched_by_symbol
3791         field.
3792         (Version_script_info::matched_symbol): New function.
3793         (Version_script_info::get_symbol_version_helper): Call
3794         matched_symbol.
3795         (Version_script_info::check_unmatched_names): New function.
3796         * script.h (class Version_script_info): Update declarations.
3797         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3799         * options.h (class General_options): Use DEFINE_bool_alias for
3800         allow_multiple_definition.
3801         * resolve.cc (Symbol_table::should_override): Don't test
3802         allow_multiple_definition.
3804         PR 10980
3805         * options.h (class General_options): Add --cref.
3806         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3807         until after printing cref table.
3808         * cref.cc: Include "symtab.h".
3809         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3810         (Cref_table_compare::operator()): New function.
3811         (Cref_inputs::gather_cref): New function.
3812         (filecol): New static const.
3813         (Cref_inputs::print_cref): New function.
3814         (Cref::print_cref): New function.
3815         * cref.h: Include <cstdio>.
3816         (class Cref): Update declarations.
3817         * mapfile.h (Mapfile::file): New function.
3818         * object.h (class Object): Define Symbols.  Declare virtual
3819         do_get_global_symbols.
3820         (Object::get_global_symbols): New function.
3821         * object.cc (Input_objects::add_object): Pass object to cref_ if
3822         --cref.
3823         (Input_objects::archive_start): Likewise.
3824         (Input_objects::archive_stop): Likewise.
3825         (Input_objects::print_cref): New function.
3826         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3827         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3828         --cref.
3829         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3830         function.
3831         * plugin.h (class Sized_pluginobj): Update declarations.
3833 2010-01-05  Ian Lance Taylor  <iant@google.com>
3835         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3836         to is_default_version.  Rename insdef to insdefault.
3837         (Symbol_table::add_from_relobj): Rename def to is_default_version
3838         and local to is_forced_local.
3839         (Symbol_table::add_from_pluginobj): Likewise.
3840         (Symbol_table::add_from_dynobj): Likewise.
3841         (Symbol_table::define_special_symbol): Rename insdef to
3842         insdefault.
3844 2010-01-04  Ian Lance Taylor  <iant@google.com>
3846         PR 10980
3847         * options.h (class General_options): Add
3848         --allow-multiple-definition and -z muldefs.
3849         * resolve.cc (Symbol_table::should_override): Don't warn about a
3850         multiple symbol definition if --allow-multiple-definition or -z
3851         muldefs.
3853         PR 10980
3854         * options.h (class General_options): Add --add-needed and
3855         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3856         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3857         error if --copy-dt-needed-entries aka --add-needed is used and
3858         would cause a change in behaviour.
3860         PR 10980
3861         * options.h (class General_options): Add -G as a short version of
3862         --shared.  Add no-op options -assert, -g, and -i.
3864 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3866         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3867         check for .text or .gnu.linkonce.t sections.
3868         * icf.cc (Icf::find_identical_sections): Ditto.
3869         Change the detection for mangled function name within the section
3870         name.
3871         * icf.h (is_section_foldable_candidate): New function.
3873 2009-12-30  Ian Lance Taylor  <iant@google.com>
3875         PR 10980
3876         * options.h (class General_options): Permit two dashes with
3877         --retain-symbols-file.
3879 2009-12-30  Ian Lance Taylor  <iant@google.com>
3881         PR 10979
3882         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3883         don't put the file header and segment headers in the text
3884         segment.
3886         PR 10979
3887         * common.cc (Sort_commons::operator()): Stabilize sort when both
3888         entries are NULL.
3889         (Symbol_table::do_allocate_commons_list): When allocating common
3890         symbols, skip a symbol which is no longer common.
3891         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3892         an object before checking its type.
3893         * testsuite/common_test_2.c: New file.
3894         * testsuite/common_test_3.c: New file.
3895         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3896         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3897         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3898         (common_test_2_pic.o, common_test_2.so): New targets.
3899         (common_test_3_pic.o, common_test_3.so): New targets.
3900         * testsuite/Makefile.in: Rebuild.
3902         PR 10979
3903         * script.cc (read_input_script): If we see a new SECTIONS clause,
3904         and we have added an input section, give an error.
3905         * layout.h (class Layout): Add have_added_input_section function.
3906         Add have_added_input_section_ field.
3907         * layout.cc (Layout::Layout): Initialize
3908         have_added_input_section_.
3909         (Layout::layout): Set have_added_input_section_.
3910         (Layout::layout_eh_frame): Likewise.
3912 2009-12-30  Ian Lance Taylor  <iant@google.com>
3914         PR 10931
3915         * options.h (class General_options): Add --sort-common option.
3916         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3917         * common.cc (Sort_common): Add sort_order parameter to
3918         constructor.  Add sort_order_ field.
3919         (Sort_commons::operator): Check sort_order_.
3920         (Symbol_table::allocate_commons): Determine the sort order.
3921         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3922         Change all callers.
3923         (Symbol_table::do_allocate_commons_list): Likewise.
3925 2009-12-30  Ian Lance Taylor  <iant@google.com>
3927         PR 10916
3928         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3929         symbols from this object, don't change the visibility of an
3930         undefined symbol.
3931         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3933 2009-12-30  Ian Lance Taylor  <iant@google.com>
3935         PR 10861
3936         * script.h (class Version_script_info): Define Language enum.
3937         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3938         new fields globals_, locals_, and is_finalized_.
3939         * script.cc: Various formatting fixes.
3940         (class Parser_closure): Change language_stack_ from a vector of
3941         std::string to one of Version_script_info::Language.  Adjust all
3942         uses accordingly.
3943         (class Lazy_demangler): Remove.
3944         (struct Version_expression): Change language from std::string to
3945         Version_script_info::Language.
3946         (Version_script_info::Version_script_info): New function.
3947         (Version_script_info::~Version_script_info): Don't call clear.
3948         (Version_script_info::finalize): New function.
3949         (Version_script_info::build_lookup_tables): New function.
3950         (Version_script_info::build_expression_list_lookup): New
3951         function.
3952         (Version_script_info::get_symbol_version_helper): Rewrite to use
3953         lookup tables.
3954         (Version_script_info::print_expression_list): Adjust to use
3955         Version_script_info::Language.
3956         (script_push_lex_into_version_mode): Check that the version script
3957         has not been finalized.
3958         (version_script_push_lang): Change language string to
3959         Version_script_info::Language.
3960         * options.cc (Command_line::version_script): New function.
3961         * options.h (class General_options): Add finalize_dynamic_list
3962         function.  Change version_script from declaration to definition.
3963         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3964         * testsuite/version_script.map: Remove duplicate def of foo.
3965         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3966         version_script.map.
3967         * testsuite/Makefile.in: Rebuild.
3969 2009-12-30  Ian Lance Taylor  <iant@google.com>
3971         PR 10843
3972         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3973         if the input symbol index is 0, make the output symbol index 0.
3975 2009-12-30  Ian Lance Taylor  <iant@google.com>
3977         PR 10670
3978         * options.h (class General_options): Add -x/--discard-all.
3979         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3980         --discard-all.  If the local symbol needs a dynamic entry, check
3981         that before handling --discard-locals.
3983 2009-12-30  Ian Lance Taylor  <iant@google.com>
3985         PR 10450
3986         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3987         flags to PF_R.
3988         (Output_segment::add_output_section): Don't change the flags if
3989         the type is PT_TLS.
3991         PR 10450
3992         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3993         GNU hash table if they need a dynamic value.  Otherwise, don't add
3994         them if they are defined in a dynamic object or are forced local.
3996 2009-12-29  Ian Lance Taylor  <iant@google.com>
3998         PR 10450
3999         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4000         .gnu.hash table for a 32-bit target.
4002         PR 10450
4003         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4004         regular and a dynamic object only needs a dynamic symbol table
4005         entry if it is externally visible.
4007         PR 10450
4008         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4009         constructor.  Add global_offset_table_ field.
4010         (Target_i386::got_section): Set global_offset_table_.
4011         (Target_i386::do_finalize_sections): Set global_offset_table_
4012         size.
4013         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4014         in constructor.  Add global_offset_table_ field.
4015         (Target_x86_64::got_section): Set global_offset_table_.
4016         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4017         size.
4019         * layout.cc (Layout::Layout): Initialize increase_relro_.
4020         (Layout::get_output_section): Add is_relro, is_last_relro, and
4021         is_first_non_relro parameters.  Change all callers.
4022         (Layout::choose_output_section): Likewise.
4023         (Layout::add_output_section_data): Likewise.
4024         (Layout::make_output_section): Likewise.
4025         (Layout::set_segment_offsets): Clear increase_relro when using a
4026         linker script.
4027         * layout.h (class Layout): Add increase_relro method.  Add
4028         increase_relro_ field.  Update declarations.
4029         * output.cc (Output_section::Output_section): Initialize
4030         is_last_relro_ and is_first_non_relro_.
4031         (Output_segment::add_output_section): Group relro sections is
4032         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4033         (Output_segment::maximum_alignment): Remove relro handling.
4034         (Output_segment::set_section_addresses): Add increase_relro
4035         parameter.  Change all callers.  Add initial alignment to align
4036         relro sections on separate page.  Remove old relro handling.
4037         (Output_segment::set_section_list_addresses): Remove in_relro
4038         parameter.  Change all callers.
4039         (Output_segment::set_offset): Add increase parameter.  Change all
4040         callers.  Remove old relro handling.
4041         * output.h (class Output_section): Add new methods: is_last_relro,
4042         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4043         Add is_last_relro_ and is_first_non_relro_ fields.
4044         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4045         Create separate .got.plt section.  Call increase_relro.
4046         * x86_64.cc (Target_x86_64::got_section): Likewise.
4047         * testsuite/relro_script_test.t: Add .got.plt.
4049         PR 10450
4050         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4051         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4052         (Layout::finalize): Call set_dynamic_symbol_size.
4053         (Layout::set_dynamic_symbol_size): New function.
4054         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4055         set_dynamic_symbol_size.
4057         PR 10450
4058         * output.h (class Output_section): Add is_entsize_zero_ field.
4059         * output.cc (Output_section::Output_section): Initialize
4060         is_entsize_zero_.
4061         (Output_section::set_entsize): If two different entsizes are
4062         requested, force it to zero.
4063         (Output_section::add_input_section): Set flags for .debug_str
4064         before updating section flags.  Set entsize.
4065         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4066         and SHF_STRING if all input sections have those flags.
4068 2009-12-29   Rafael Espindola  <espindola@google.com>
4070         * main.cc (main): Fix the sys time reporting.
4071         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4072         reporting.
4074 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4076         * options.cc (General_options::parse_version): Allow -v to exit
4077         without an error if there is nothing to link.
4079 2009-12-29  Ian Lance Taylor  <iant@google.com>
4081         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4082         using a version of gcc before 4.1.
4083         * configure: Rebuild.
4085 2009-12-28  Chris Demetriou  <cgd@google.com>
4087         * attributes.cc (Output_attributes_section_data::do_write): Use
4088         std::vector::front rather than std::vector::data.
4090 2009-12-28  Ian Lance Taylor  <iant@google.com>
4092         * symtab.h (class Symbol_table): Add enum Defined.
4093         * resolve.cc (Symbol_table::should_override): Add defined
4094         parameter.  Change all callers.  Test whether object is NULL
4095         before calling a method on it.
4096         (Symbol_table::report_resolve_problem): Add defined parameter.
4097         Change all callers.
4098         (Symbol_table::should_override_with_special): Likewise.
4099         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4100         parameter.  Change all callers.
4101         (Symbol_table::do_define_in_output_data): Likewise.
4102         (Symbol_table::define_in_output_segment): Likewise.
4103         (Symbol_table::do_define_in_output_segment): Likewise.
4104         (Symbol_table::define_as_constant): Likewise.
4105         (Symbol_table::do_define_as_constant): Likewise.
4106         * script.h (class Symbol_assignment): Add is_defsym parameter to
4107         constructor; change all callers.
4108         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4109         parameter.  Change all callers.  Add is_defsym_ field.
4110         (class Parser_closure): Add parsing_defsym parameter to
4111         constructor; change all callers.  Add parsing_defsym accessor
4112         function.  Add parsing_defsym_ field.
4114 2009-12-28  Ian Lance Taylor  <iant@google.com>
4116         * gold.cc (queue_middle_tasks): Fix formatting.
4117         * object.cc (Relobj::is_section_name_included): Likewise.
4119 2009-12-23  Ian Lance Taylor  <iant@google.com>
4121         * i386.cc (Target_i386::do_calls_non_split): Recognize
4122         -fsplit-stack prologue for a function with a static chain.
4123         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4124         -fsplit-stack prologue when using %r11.
4126 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4128         * options.cc (General_options::parse_version): Make -v continue and do
4129         the link like GNU ld does.
4131 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4133         * Makefile.am (CCFILES): Add timer.cc.
4134         (HFILES): Add timer.h.
4135         * configure.ac: Check for sysconf and times.
4136         * main.cc: include timer.h.
4137         (main): Use Timer instead of get_run_time.
4138         * timer.cc: New.
4139         * timer.h: New.
4140         * workqueue.cc: include timer.h.
4141         (Workqueue::find_and_run_task):
4142         Report user, sys and wall time.
4143         * Makefile.in: Regenerate.
4144         * config.in: Regenerate.
4145         * configure: Regenerate.
4147 2009-12-16  Doug Kwan  <dougkwan@google.com>
4149         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4150         sections.
4151         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4152         relaxed input sections.
4153         * output.cc (Output_section::find_relaxed_input_section): Change
4154         return type to Output_relaxed_input_section pointer.  Adjust code
4155         for new type of relaxed_input_section_map_.
4156         * output.h (Output_section::find_relaxed_input_section): Change
4157         return type to Output_relaxed_input_section pointer.
4158         (Output_section::Output_relaxed_input_section_by_input_section_map):
4159         New type.
4160         (Output_section::relaxed_input_section_map_): Change type to
4161         Output_section::Output_relaxed_input_section_by_input_section_map.
4162         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4163         input section.
4165 2009-12-15  Ian Lance Taylor  <iant@google.com>
4167         * layout.cc (Layout::create_shstrtab): Only write out after input
4168         sections if we are compressing debug sections.
4170 2009-12-15  Ian Lance Taylor  <iant@google.com>
4172         * archive.cc (Archive::add_symbols): Only look up a symbol without
4173         a version if there is, in fact, a version.
4175 2009-12-14  Ian Lance Taylor  <iant@google.com>
4177         Revert -Wshadow changes, all changes from:
4178         2009-12-11  Doug Kwan  <dougkwan@google.com>
4179         2009-12-11  Nick Clifton  <nickc@redhat.com>
4180         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4182 2009-12-11  Doug Kwan  <dougkwan@google.com>
4184         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4185         due to -Wshadow.
4186         * attributes.cc (Object_attribute::size): Ditto.
4187         (Attributes_section_data::size): Ditto.
4188         (Attributes_section_data::Attributes_section_data): Ditto.
4189         (Output_attributes_section_data::do_write): Ditto.
4190         * attributes.h (Object_attribute::set_type): Ditto.
4191         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4193 2009-12-11  Nick Clifton  <nickc@redhat.com>
4195         * archive.cc: Fix shadowed variable warnings.
4196         * arm.cc: Likewise.
4197         * compressed_output.cc: Likewise.
4198         * compressed_output.h: Likewise.
4199         * configure: Likewise.
4200         * dwarf_reader.cc: Likewise.
4201         * dynobj.cc: Likewise.
4202         * dynobj.h: Likewise.
4203         * ehframe.cc: Likewise.
4204         * ehframe.h: Likewise.
4205         * errors.cc: Likewise.
4206         * expression.cc: Likewise.
4207         * fileread.cc: Likewise.
4208         * fileread.h: Likewise.
4209         * freebsd.h: Likewise.
4210         * i386.cc: Likewise.
4211         * icf.cc: Likewise.
4212         * incremental.h: Likewise.
4213         * layout.cc: Likewise.
4214         * layout.h: Likewise.
4215         * mapfile.cc: Likewise.
4216         * merge.cc: Likewise.
4217         * merge.h: Likewise.
4218         * object.cc: Likewise.
4219         * object.h: Likewise.
4220         * options.h: Likewise.
4221         * output.cc: Likewise.
4222         * output.h: Likewise.
4223         * parameters.cc: Likewise.
4224         * plugin.cc: Likewise.
4225         * powerpc.cc: Likewise.
4226         * reduced_debug_output.cc: Likewise.
4227         * reduced_debug_output.h: Likewise.
4228         * reloc.cc: Likewise.
4229         * reloc.h: Likewise.
4230         * resolve.cc: Likewise.
4231         * script-sections.cc: Likewise.
4232         * script.cc: Likewise.
4233         * script.h: Likewise.
4234         * sparc.cc: Likewise.
4235         * symtab.cc: Likewise.
4236         * symtab.h: Likewise.
4237         * target-select.cc: Likewise.
4238         * target-select.h: Likewise.
4239         * token.h: Likewise.
4240         * workqueue.cc: Likewise.
4241         * workqueue.h: Likewise.
4242         * x86_64.cc: Likewise.
4244 2009-12-10  Doug Kwan  <dougkwan@google.com>
4246         * arm.cc (attributes.h): New include.
4247         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4248         (Arm_relobj::~Arm_relobj): Delete object pointed by
4249         attributes_section_data_.
4250         (Arm_relobj::attributes_section_data): New method definition.
4251         (Arm_relobj::attributes_section_data_): New data member declaration.
4252         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4253         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4254         attributes_section_data_.
4255         (Arm_dynobj::attributes_section_data): New method definition.
4256         (Arm_dynobj::attributes_section_data_): New data member declaration.
4257         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4258         initialization value of may_use_blx_ to false.
4259         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4260         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4261         object attributes to compute results instead of hard-coding.
4262         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4263         Target_arm::get_secondary_compatible_arch,
4264         Target_arm::set_secondary_compatible_arch
4265         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4266         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4267         New method declarations.
4268         (Target_arm::get_aeabi_object_attribute): New method definition.
4269         (Target_arm::attributes_section_data_): New data member declaration.
4270         (read_arm_attributes_section): New template definition.
4271         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4272         (Arm_dynobj::do_read_symbols): Ditto.
4273         (Target_arm::do_finalize_sections): Merge attributes sections from
4274         input.  Check for BLX use after attributes section merging.
4275         Fix __exidx_start and __exidx_end visibility.  Create an
4276         .ARM.attributes section if necessary.
4277         (Target_arm::get_secondary_compatible_arch,
4278         Target_arm::set_secondary_compatible_arch,
4279         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4280         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4281         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4282         New method definitions.
4284 2009-12-09  Ian Lance Taylor  <iant@google.com>
4286         * plugin.cc (Plugin::load): Don't cast from void* to a function
4287         pointer.
4289 2009-12-09  Ian Lance Taylor  <iant@google.com>
4291         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4292         information fields.
4294 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4296         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4297         Replace two_file_shared_1.so with two_file_shared_2.so.
4298         * testsuite/Makefile.in: Regenerated.
4300 2009-12-08  Doug Kwan  <dougkwan@google.com>
4302         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4303         (HFILES): Add attributes.h and int_encoding.h.
4304         * Makefile.in: Regenerate.
4305         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4306         function definitions to int_encoding.cc
4307         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4308         prototypes to int_encoding.h
4309         * reduced_debug_output.cc (int_encoding.h): New include.
4310         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4311         function definitions to int_encoding.cc
4312         (insert_into_vector, read_from_pointer): Move template definitions to
4313         int_encoding.h
4314         * attributes.cc: New file.
4315         * attributes.h: New file.
4316         * int_encoding.cc: New file.
4317         * int_encoding.h: New file.
4319 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4321         PR gold/11055
4322         * incremental-dump.cc (dump_incremental_inputs): New.
4323         (main): Use dump_incremental_inputs.
4325 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4327         PR gold/10893
4328         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4329         checking elfcpp::STT_FUNC.
4330         (Target_i386::Relocate::relocate): Likewise.
4331         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4333         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4334         symbols from shared libraries into normal FUNC symbols.
4336         * symtab.h (Symbol): Add is_func and use it.
4338 2009-12-05  Doug Kwan  <dougkwan@google.com>
4340         * arm.cc (Target_arm::arm_info): Initialize new fields
4341         attributes_section and attributes_vendor.
4342         * i386.cc (Target_i386::i386_info): Same.
4343         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4344         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4345         fields attributes_section and attributes_vendor.
4346         * sparc.cc (Target_sparc::sparc_info): Same.
4347         * target.h (Target::attributes_section, Target::attributes_vendor,
4348         Target::is_attributes_section, Target::attribute_arg_type,
4349         Target::attributes_order): New method definitions.
4350         (Target::Target_info::attributes_section,
4351         Target::Target_info::attributes_vendor): New fields.
4352         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4353         virtual method definitions.
4354         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4355         attributes_section and attributes_vendor.
4356         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4358 2009-12-05  Doug Kwan  <dougkwan@google.com>
4360         * arm.cc: Update comments about interworking and stub generation.
4361         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4362         considered as non-PIC.
4363         (Arm_relocate_functions::base_abs): Fix formatting.
4364         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4365         of function to use GOT entry address instead of offset.
4366         (Target_arm::Scan::global): Issue an error if a symbol would need a
4367         PLT does not get one because it is untyped.  Remove code to create
4368         dynamic symbols for relative branches.
4369         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4370         takes unsigned integer instead of boolean.
4372 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4374         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4375         (two_file_test_LDADD): Likewise.
4376         (common_test_1_LDADD): Likewise.
4377         (exception_test_LDADD) Likewise.
4378         (weak_test_LDADD): Likewise.
4379         (many_sections_test_LDADD): Likewise.
4380         (initpri1_LDADD): Likewise.
4381         (script_test_1_LDADD): Likewise.
4382         (script_test_2_LDADD): Likewise.
4383         (justsyms_LDADD): Likewise.
4384         (binary_test_LDADD): Likewise.
4385         (large_LDADD): Likewise.
4386         * testsuite/Makefile.in: Regenerated.
4388 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4390         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4391         (Symbol_table::override_with_special): Likewise.
4392         (Symbol_table::add_from_object): Likewise.
4394 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4396         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4397         Don't set the data_offset twice.
4399 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4401         * testsuite/Makefile.in: Regenerate.
4403 2009-12-03  Doug Kwan  <dougkwan@google.com>
4405         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4406         (Target_arm::do_finalize_sections): Add parameter for symbol table
4407         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4408         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4409         parameter for symbol table pointer.
4410         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4411         an additional parameter for a pointer to symbol table.
4412         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4413         parameter for a symbol table pointer.
4414         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4415         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4416         Ditto.
4417         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4418         parameter for a symbol table pointer.
4420 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4422         * incremental.cc (Incremental_inputs_header)
4423         (Incremental_inputs_header_write, Incremental_inputs_entry)
4424         (Incremental_inputs_entry_write): Move ...
4425         * incremental.h (Incremental_inputs_header)
4426         (Incremental_inputs_header_write, Incremental_inputs_entry)
4427         (Incremental_inputs_entry_write): here.
4429 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4431         * incremental.cc (make_sized_incremental_binary): Set the target.
4432         Error if it is incompatible.
4433         * output.h (Output_file): Add filename method.
4435 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4437         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4438         from the get_* methods.
4440 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4442         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4443         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4444         Write 0 for the data_offset of scripts.
4446 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4448         * testsuite/Makefile.am: Add the incremental_test.sh test.
4449         * testsuite/incremental_test.sh: New.
4450         * testsuite/incremental_test_1.c: New.
4451         * testsuite/incremental_test_2.c: New.
4453 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4455        * incremental-dump.cc (main): Fix typos.
4457 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4459         PR gold/11025
4460         * incremental-dump.cc (main): Use llu to print 64 bit values.
4462 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
4463             H.J. Lu  <hongjiu.lu@intel.com>
4465         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4466         $(LIBDL).
4467         (incremental_dump_LDADD): Likewise.
4468         * Makefile.in: Regenerated.
4470 2009-11-25  Doug Kwan  <dougkwan@google.com>
4472         Revert:
4474         2009-11-25  Doug Kwan  <dougkwan@google.com>
4476                 * arm.cc (Target_arm::Target_arm): Move method definition
4477                 outside of class definition.  Add code to handle
4478                 --target1-rel, --target1-abs and --target2= options.
4479                 (Target_arm::get_reloc_reloc_type): Change method to be
4480                 non-static and const.
4481                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4482                 New data member declaration.
4483                 (Target_arm::Scan::local, Target_arm::Scan::global,
4484                 Target_arm::Relocate::relocate,
4485                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4486                 Adjust call to Target_arm::get_real_reloc_type.
4487                 (Target_arm::get_real_reloc_type): Use command line options
4488                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4489                 * options.h (--target1-rel, --target1-abs, --target2): New
4490                 ARM-only options.
4492 2009-11-25  Doug Kwan  <dougkwan@google.com>
4494         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4495         class definition.  Add code to handle --target1-rel, --target1-abs
4496         and --target2= options.
4497         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4498         and const.
4499         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4500         member declaration.
4501         (Target_arm::Scan::local, Target_arm::Scan::global,
4502         Target_arm::Relocate::relocate,
4503         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4504         call to Target_arm::get_real_reloc_type.
4505         (Target_arm::get_real_reloc_type): Use command line options to
4506         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4507         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4508         options.
4510 2009-11-25  Doug Kwan  <dougkwan@google.com>
4512         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4513         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4514         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4515         formatting.
4516         (Arm_relocate_functions::thm_call): Replace body with a call to
4517         Arm_relocate_functions::thumb_branch_common.
4518         (Arm_relocate_functions::thm_jump24,
4519         Arm_relocate_functions::thm_xpc22): New method definitions.
4520         (Arm_relocate_functions::thumb_branch_common): New method definition.
4521         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4522         operator.
4523         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4524         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4526 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4528         * Makefile.am: Build incremental-dump
4529         * Makefile.in: Regenerate.
4530         * incremental-dump.cc: New.
4531         * incremental.cc (Incremental_inputs_header_data,
4532         Incremental_inputs_entry_data): Move to incremental.h
4533         * incremental.h: (Incremental_inputs_header_data,
4534         Incremental_inputs_entry_data): Move from incremental.cc
4536 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4538         * incremental.cc (Incremental_inputs_header,
4539         Incremental_inputs_header_write, Incremental_inputs_entry,
4540         Incremental_inputs_entry_write): Add a typedef with the data type.
4542 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4544         * incremental.cc (Incremental_inputs_header,
4545         Incremental_inputs_header_write, Incremental_inputs_entry,
4546         Incremental_inputs_entry_write): Update comment about which
4547         type has the filed descriptions.
4549 2009-11-15  Doug Kwan  <dougkwan@google.com>
4551         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4552         (Arm_relocate_functions::arm_branch_common): Change method defintion
4553         in class definition to a method declaration and update list of formal
4554         parameters.
4555         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4556         Arm_relocation_functions::jump24): Adjust call to
4557         Arm_relocate_functions::arm_branch_common.  Update list of formal
4558         parameters.
4559         (Arm_relocate_functions::xpc25): New method definition.
4560         (Arm_relocate_functions::arm_branch_common): Move method defintion
4561         out from class definition.  Use stubs for mode-switching and extending
4562         branch ranges.
4563         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4564         specially.  Change code to enable use of stubs in ARM branches.
4566 2009-11-10  Doug Kwan  <dougkwan@google.com>
4568         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4569         in method declaration.
4570         (Target_arm::relocate_stub): New method declaration.
4571         (Target_arm::default_target): Change to return a pointer instead of
4572         a const reference.
4573         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4574         Target_arm::default_target.
4575         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4576         method definition.
4577         (Target_arm::relocate_section): Adjust view.
4578         (Target_arm::relocate_stub): New method definition.
4580 2009-11-10  Doug Kwan  <dougkwan@google.com>
4582         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4583         a format warning.
4584         * incremental.cc (open_incremental_binary): Initialized local
4585         variables to avoid warnings.
4586         * object.cc (make_elf_object): Ditto.
4587         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4588         a format warning.
4590 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4592         PR gold/10930
4593         * testsuite/plugin_test.c: Include "config.h".
4595 2009-11-09  Doug Kwan  <dougkwan@google.com>
4597         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4598         (arm_symbol_value): Remove.
4599         (Arm_relocate_functions::arm_branch_common,
4600         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4601         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4602         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4603         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4604         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4605         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4606         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4607         Arm_relocate_functions::thm_mobw_abs_nc,
4608         Arm_relocate_functions::thm_mov_abs,
4609         Arm_relocate_functions::movw_prel_nc,
4610         Arm_relocate_functions::thm_movt_abs,
4611         Arm_relocate_functions::movt_prel,
4612         Arm_relocate_functions::thm_movw_prel_nc,
4613         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4614         (Target_arm::Relocate::relocate): Only decompose address into two
4615         parts if relocation type uses the thumb-bit and pass the actual
4616         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4617         calls to methods in Arm_relocate_functions for this change.
4619 2009-11-08  Ian Lance Taylor  <iant@google.com>
4621         PR 10925
4622         * reloc.cc: Instantiate
4623         Sized_relobj::initialize_input_to_output_maps and
4624         Sized_relobj:free_input_to_output_maps.
4626 2009-11-06  Ian Lance Taylor  <iant@google.com>
4628         PR 10876
4629         * defstd.cc (in_segment): Set only_if_ref true for "end".
4631 2009-11-06  Doug Kwan  <dougkwan@google.com>
4633         * arm.cc (class Reloc_stub): Correct a comment.
4634         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4635         (Target_arm::scan_section_for_stubs): New method declaration.
4636         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4637         Change methods from private to protected.
4638         (Target_arm::do_may_relax): New method definition.
4639         (Target_arm::do_relax, Target_arm::group_sections,
4640         Target_arm::scan_reloc_for_stub,
4641         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4642         (Target_arm::arm_input_section_map_): New data member declaration.
4643         (Target_arm::scan_reloc_for_stub,
4644         Target_arm::scan_reloc_section_for_stubs,
4645         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4646         Target_arm::do_relax): New method definitions.
4648 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4650         * configure.ac: Check for (struct stat)::st_mtim
4651         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4652         * config.in: Regenerate.
4653         * configure: Regenerate.
4655 2009-11-05  Ian Lance Taylor  <iant@google.com>
4657         PR 10910
4658         * output.cc (Output_segment::add_output_section): Add missing
4659         return statement.
4661 2009-11-04  Ian Lance Taylor  <iant@google.com>
4663         PR 10880
4664         * object.h (class Object): Add is_needed and set_is_needed
4665         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4666         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4667         defined in a dynamic object and referenced by a regular object,
4668         set is_needed for the dynamic object.
4669         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4670         if the file is marked with as_needed and it is not needed.
4672 2009-11-04  Ian Lance Taylor  <iant@google.com>
4674         PR 10887
4675         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4676         tags if data is discarded by linker script.
4677         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4678         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4679         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4680         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4682 2009-11-04  Ian Lance Taylor  <iant@google.com>
4684         * layout.cc (Layout::get_output_section): Add is_interp and
4685         is_dynamic_linker_section parameters.  Change all callers.
4686         (Layout::choose_output_section): Likewise.
4687         (Layout::make_output_section): Likewise.
4688         (Layout::add_output_section_data): Add is_dynamic_linker_section
4689         parameter.  Change all callers.
4690         * layout.h (class Layout): Update declarations.
4691         * output.h (class Output_section): Add is_interp, set_is_interp,
4692         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4693         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4694         generate_code_fills_at_write_ to a bitfield.
4695         * output.cc (Output_section::Output_sections): Initialize new
4696         fields.
4697         (Output_segment::add_output_section): Add do_sort parameter.
4698         Change all callers.
4700 2009-11-03  Ian Lance Taylor  <iant@google.com>
4702         PR 10860
4703         * options.h (class General_options): Add --warn-common.
4704         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4705         merging two common symbols.
4706         (Symbol_table::should_override): Handle --warn-common when merging
4707         a common symbol with a defined symbol.  Use report_resolve_problem
4708         for multiple definitions.
4709         (Symbol_table::report_resolve_problem): New function.
4710         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4712 2009-11-03  Doug Kwan  <dougkwan@google.com>
4714         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4715         stub_factory_.
4716         (Target_arm::stub_factory): New method definition.
4717         (Target_arm::new_arm_input_section,
4718         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4719         Target_arm::reloc_uses_thumb_bit): New method declarations.
4720         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4721         New type definitions.
4722         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4723         member declarations.
4724         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4725         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4726         New method definitions.
4728 2009-11-03  Ian Lance Taylor  <iant@google.com>
4730         * options.h (class General_options): Add --warn_constructors.
4732 2009-11-03  Ian Lance Taylor  <iant@google.com>
4734         PR 10893
4735         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4736         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4738 2009-11-03  Ian Lance Taylor  <iant@google.com>
4740         PR 10895
4741         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4742         --msgid-bugs-address.
4743         (install-pdf): New target.
4744         (install-data_yes): Look up one directory to find mkinstalldirs.
4746 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4748         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4749         tree.
4751 2009-10-30  Doug Kwan  <dougkwan@google.com>
4753         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4755 2009-10-30  Doug Kwan  <dougkwan@google.com>
4757         * arm.cc (Stub_addend_reader): New struct template definition
4758         and partial specializations.
4759         (Stub_addend_reader::operator()): New method definition for a
4760         partially specialized template.
4762 2009-10-30  Doug Kwan  <dougkwan@google.com>
4764         * arm.cc (Arm_relobj::processor_specific_flags): New method
4765         definition.
4766         (Arm_relobj::do_read_symbols): New method declaration.
4767         (Arm_relobj::processor_specific_flags_): New data member declaration.
4768         (Arm_dynobj): New class definition.
4769         (Target_arm::do_finalize_sections): Add input_objects parameter.
4770         (Target_arm::do_adjust_elf_header): New method declaration.
4771         (Target_arm::are_eabi_versions_compatible,
4772         (Target_arm::merge_processor_specific_flags): New method declaration.
4773         (Target_arm::do_make_elf_object): New overloaded method definitions
4774         and declaration.
4775         (Arm_relobj::do_read_symbols): New method definition.
4776         (Arm_dynobj::do_read_symbols): Ditto.
4777         (Target_arm::do_finalize_sections): Add input_objects parameters.
4778         Merge processor-specific flags from all input objects.
4779         (Target_arm::are_eabi_versions_compatible,
4780         Target_arm::merge_processor_specific_flags,
4781         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4782         New method definitions.
4783         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4784         Input_objects pointer type parameter.
4785         * layout.cc (Layout::finalize): Pass input objects to target's.
4786         finalize_sections function.
4787         * output.cc (Output_file_header::do_sized_write): Set ELF file
4788         header's processor-specific flags.
4789         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4790         Input_objects pointer type parameter.
4791         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4792         * target.h (Input_objects): New forward class declaration.
4793         (Target::processor_specific_flags,
4794         Target::are_processor_specific_flags_sect): New method definitions.
4795         (Target::finalize_sections): Add input_objects parameter.
4796         (Target::Target): Initialize processor_specific_flags_ and
4797         are_processor_specific_flags_set_.
4798         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4799         parameter.
4800         (Target::set_processor_specific_flags): New method definition.
4801         (Target::processor_specific_flags_,
4802         Target::are_processor_specific_flags_set_): New data member
4803         declarations.
4804         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4805         Input_objects pointer type parameter.
4807 2009-10-30  Doug Kwan  <dougkwan@google.com>
4809         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4811 2009-10-28  Ian Lance Taylor  <iant@google.com>
4813         * object.h (class Relobj): Drop options parameter from
4814         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4815         do_scan_relocs, do_relocate.  Change all callers.
4816         (class Sized_relobj): Drop options parameters from
4817         do_gc_process_relocs, do_scan_relocs, do_relocate,
4818         do_relocate_sections, relocate_sections, emit_relocs_scan,
4819         emit_relocs_scan_reltype.  Change all callers.
4820         (struct Relocate_info): Remove options field and all references to
4821         it.
4822         * reloc.h (class Read_relocs): Remove options constructor
4823         parameter and options_ field.  Change all callers.
4824         (class Gc_process_relocs, class Scan_relocs): Likewise.
4825         (class Relocate_task): Likewise.
4826         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4827         all callers.
4828         (scan_relocatable_relocs): Likewise.
4829         * target.h (class Sized_target): Remove options parameter from
4830         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4831         all callers.
4832         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4833         callers.
4834         * arm.cc: Update functions to remove options parameters.
4835         * i386.cc: Likewise.
4836         * powerpc.cc: Likewise.
4837         * sparc.cc: Likewise.
4838         * x86_64.cc: Likewise.
4839         * testsuite/testfile.cc: Likewise.
4841 2009-10-28  Doug Kwan  <dougkwan@google.com>
4843         * arm.cc (Arm_relobj): New class definition.
4844         (Arm_relobj::scan_sections_for_stubs,
4845         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4846         New method definitions.
4848 2009-10-28  Cary Coutant  <ccoutant@google.com>
4850         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4851         (Plugin::cleanup_done_): New member.
4852         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4853         (Plugin_manager::cleanup_done_): Remove.
4854         (Plugin_manager::add_input_file): Edit error message.
4855         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4856         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4858 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4860         * fileread.cc: (File_read::View::~View): Use the new
4861         data_ownership_ filed.
4862         (File_read::~File_read): Dispose the new whole_file_view_.
4863         (File_read::open): Mmap the whole file if needed.
4864         (File_read::open): Use whole_file_view_ instead of contents_.
4865         (File_read::find_view): Use whole_file_view_ if applicable.
4866         (File_read::do_read): Use whole_file_view_ instead of contents_.
4867         (File_read::make_view): Use whole_file_view_ instead of contents_,
4868         update File_read::View::View call.
4869         (File_read::find_or_make_view): Update File_read::View::View
4870         call.
4871         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4872         remove contents_
4873         (File_read::View::Data_ownership): New enum.
4874         (File_read::View::View): Replace bool mapped_ with Data_ownership
4875         argument.
4876         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4877         (File_read::View::data_ownership_): New field.
4878         (File_read::contents_): Remove (replaced by whole_file_view_).
4879         (File_read::whole_file_view_): New field.
4880         * options.h (class General_options): Add --keep-files-mapped.
4882 2009-10-27  Cary Coutant  <ccoutant@google.com>
4884         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4885         * testsuite/Makefile.am (plugin_test_5): New test case.
4886         * testsuite/Makefile.in: Regenerate.
4888 2009-10-25  Doug Kwan  <dougkwan@google.com>
4890         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4891         from private to protected to allow access by child class.
4892         (Sized_relobj::do_relocate_sections): New method declaration.
4893         (Sized_relobj::relocate_sections): Virtualize.
4894         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4895         Sized_relobj::relocate_sections.  Instantiate template explicitly
4896         for different target sizes and endianity.
4898 2009-10-24  Doug Kwan  <dougkwan@google.com>
4900         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4901         (Arm_input_section::as_arm_input_section): New method.
4902         (Arm_output_section): New class definition.
4903         (Arm_output_section::create_stub_group,
4904         Arm_output_section::group_sections): New method definitions.
4906 2009-10-22  Doug Kwan  <dougkwan@google.com>
4908         * arm.cc (Arm_input_section): New class definition.
4909         (Arm_input_section::init, Arm_input_section:do_write,
4910         Arm_input_section::set_final_data_size,
4911         Arm_input_section::do_reset_address_and_file_offset): New method
4912         definitions.
4914 2009-10-21  Doug Kwan  <dougkwan@google.com>
4916         * arm.cc (Stub_table, Arm_input_section): New forward class
4917         declarations.
4918         (Stub_table): New class defintion.
4919         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4920         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4921         New method definition.
4923 2009-10-21  Doug Kwan  <dougkwan@google.com>
4925         * arm.cc: Update copyright comments.
4926         (Target_arm): New forward class template declaration.
4927         (Arm_address): New type.
4928         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4929         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4930         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4931         constants.
4932         (Insn_template): Same.
4933         (DEF_STUBS): New macro.
4934         (Stub_type): New enum type.
4935         (Stub_template): New class definition.
4936         (Stub): Same.
4937         (Reloc_stub): Same.
4938         (Stub_factory): Same.
4939         (Target_arm::Target_arm): Initialize may_use_blx_ and
4940         should_force_pic_veneer_.
4941         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4942         Target_arm::should_force_pic_veneer,
4943         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4944         Target_arm::using_thumb_only, Target_arm:;default_target): New
4945         method defintions.
4946         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4947         New data member declarations.
4948         (Insn_template::size, Insn_template::alignment): New method defintions.
4949         (Stub_template::Stub_template): New method definition.
4950         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4951         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4952         (Stub_factory::Stub_factory): New method definition.
4953         * gold.h (string_hash): New template.
4954         * output.h (Input_section_specifier::hash_value): Use
4955         gold::string_hash.
4956         (Input_section_specifier::string_hash): Remove.
4957         * stringpool.cc (Stringpool_template::string_hash): Use
4958         gold::string_hash.
4960 2009-10-20  Doug Kwan  <dougkwan@google.com>
4962         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4963         symbols of relaxed input sections.
4964         * output.h (Output_section::find_relaxed_input_section): Make
4965         method public.
4967 2009-10-16  Doug Kwan  <dougkwan@google.com>
4969         * dynobj.cc (Versions::Versions): Initialize version_script_.
4970         Only insert base version symbol definition for a shared object
4971         if version script defines any version versions.
4972         (Versions::define_base_version): New method definition.
4973         (Versions::add_def): Check that base version is not needed.
4974         (Versions::add_need): Define base version lazily.
4975         * dynobj.h (Versions::define_base_version): New method declaration.
4976         (Versions::needs_base_version_): New data member declaration.
4977         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4978         (check_DATA): Add no_version_test.stdout.
4979         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4980         New make rules.
4981         * testsuite/Makefile.in: Regenerate.
4982         * testsuite/no_version_test.c: New file.
4983         * testsuite/no_version_test.sh: Ditto.
4985 2009-10-16  Doug Kwan  <dougkwan@google.com>
4987         * expression.cc (class Segment_start_expression): New class definition.
4988         (Segment_start_expression::value): New method definition.
4989         (script_exp_function_segment_start): Return a new
4990         Segment_start_expression.
4991         * gold/script-c.h (script_saw_segment_start_expression): New function
4992         prototype.
4993         * script-sections.cc (Script_sections::Script_sections): Initialize
4994         SAW_SEGMENT_START_EXPRESSION_ to false.
4995         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4996         and -Tbbs options to specify section addresses if given in
4997         command line and no SEGMENT_START expression is seen in a script.
4998         * script-sections.h (Script_sections::saw_segment_start_expression,
4999         Script_sections::set_saw_segment_start_expression): New method
5000         definition.
5001         (Script_sections::saw_segment_start_expression_): New data member
5002         declaration.
5003         * script.cc (script_saw_segment_start_expression): New function.
5004         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5005         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5006         script_test_7.sh and script_test_8.sh.
5007         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5008         script_test_8.stdout.
5009         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5010         (script_test_6, script_test_6.stdout, script_test_7,
5011         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5012         * Makefile.in: Regenerate.
5013         * testsuite/script_test_6.sh: New file.
5014         * testsuite/script_test_6.t: Same.
5015         * testsuite/script_test_7.sh: Same.
5016         * testsuite/script_test_7.t: Same.
5017         * testsuite/script_test_8.sh: Same.
5019 2009-10-16  Doug Kwan  <dougkwan@google.com>
5021         * output.cc (Output_segment::set_section_list_address): Cast
5022         expressions to unsigned long long type to avoid format warnings.
5024 2009-10-15  Ian Lance Taylor  <iant@google.com>
5026         * script.cc (Script_options::add_symbol_assignment): Always add a
5027         dot assignment to script_sections_.
5028         * script-sections.cc (Script_sections::add_dot_assignment):
5029         Initialize if necessary.
5031         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5032         program headers with no load segment if there is a linker script.
5034         * layout.cc (Layout::set_segment_offsets): Align the file offset
5035         to the segment aligment for -N or -n with no load segment.
5036         * output.cc (Output_segment::add_output_section): Don't crash if
5037         the first section is a TLS section.
5038         (Output_segment::set_section_list_addresses): Print an error
5039         message if the address moves backward in a linker script.
5040         * script-sections.cc
5041         (Output_section_element_input::set_section_addresses): Don't
5042         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5043         (Orphan_output_section::set_section_addresses): Likewise.
5045 2009-10-15  Doug Kwan  <dougkwan@google.com>
5047         * layout.cc (Layout::finish_dynamic_section): Generate tags
5048         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5049         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5050         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5052 2009-10-14  Ian Lance Taylor  <iant@google.com>
5054         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5055         fields.
5056         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5057         data_shdr fields of relinfo.
5058         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5059         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5060         R_386_TLS_LDO_32, adjust based on section flags.
5061         (Target_i386::Relocate::fix_up_ldo): Remove.
5063 2009-10-13  Ian Lance Taylor  <iant@google.com>
5065         Add support for -pie.
5066         * options.h (class General_options): Add -pie and
5067         --pic-executable.
5068         (General_options::output_is_position_independent): Test -pie.
5069         (General_options::output_is_executable): Return true if not shared
5070         and not relocatable.
5071         (General_options::output_is_pie): Remove.
5072         * options.cc (General_options::finalize): Reject incompatible uses
5073         of -pie.
5074         * gold.cc (queue_middle_tasks): A -pie link is not static.
5075         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5076         * symtab.cc (Symbol::final_value_is_known): Return false if
5077         output_is_position_independent.
5078         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5079         output_is_position_independent.
5080         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5081         output_is_position_independent.
5082         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5083         output_is_position_independent.
5084         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5085         two_file_pie_test.
5086         (basic_pie_test.o, basic_pie_test): New targets.
5087         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5088         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5089         (two_file_pie_test): New target.
5090         * testsuite/Makefile.in: Rebuild.
5091         * README: Remove note saying that -pie is not supported.
5093 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5095         * options.h (class General_options): Add -init and -fini.
5096         * layout.cc (Layout::finish_dynamic_section): Emit
5097         given init and fini functions.
5099 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5101         * gc.h (gc_process_relocs): Check if icf is enabled using new
5102         function.
5103         * gold.cc (queue_initial_tasks): Likewise.
5104         (queue_middle_tasks): Likewise.
5105         * object.cc (do_layout): Likewise.
5106         * symtab.cc (is_section_folded): Likewise.
5107         * main.cc (main): Likewise.
5108         * reloc.cc (Read_relocs::run): Likewise.
5109         (Sized_relobj::do_scan_relocs): Likewise.
5110         * icf.cc (is_function_ctor_or_dtor): New function.
5111         (Icf::find_identical_sections): Check if function is ctor or dtor when
5112         safe icf is chosen.
5113         * options.h (General_options::icf): Change option to be an enum.
5114         (Icf_status): New enum.
5115         (icf_enabled): New method.
5116         (icf_safe_folding): New method.
5117         (set_icf_status): New method.
5118         (icf_status_): New variable.
5119         * (options.cc) (General_options::finalize): Set icf_status_.
5120         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5121         icf_test and icf_keep_unique_test to use the --icf enum flag.
5122         * testsuite/icf_safe_test.sh: New file.
5123         * testsuite/icf_safe_test.cc: New file.
5125 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5127         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5128         includes to gc.h and icf.h.
5129         * arm.cc: Include gc.h.
5130         * gold.cc: Likewise.
5131         * i386.cc: Likewise.
5132         * powerpc.cc: Likewise.
5133         * sparc.cc: Likewise.
5134         * x86_64.cc: Likewise.
5135         * gc.h: Include icf.h.
5137 2009-10-11  Ian Lance Taylor  <iant@google.com>
5139         * plugin.cc: Include "gold.h" before other header files.
5141 2009-10-10  Chris Demetriou  <cgd@google.com>
5143         * options.h (Input_file_argument::Input_file_type): New enum.
5144         (Input_file_argument::is_lib_): Replace with...
5145         (Input_file_argument::type_): New member.
5146         (Input_file_argument::Input_file_argument): Take Input_file_type
5147         'type' rather than boolean 'is_lib' as second argument.
5148         (Input_file_argument::is_lib): Use type_.
5149         (Input_file_argument::is_searched_file): New function.
5150         (Input_file_argument::may_need_search): Handle is_searched_file.
5151         * options.cc (General_options::parse_library): Support -l:filename.
5152         (General_options::parse_just_symbols): Update for Input_file_argument
5153         changes.
5154         (Command_line::process): Likewise.
5155         * archive.cc (Archive::get_file_and_offset): Likewise.
5156         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5157         * script.cc (read_script_file, script_add_file): Likewise.
5158         * fileread.cc (Input_file::Input_file): Likewise.
5159         (Input_file::will_search_for): Handle is_searched_file.
5160         (Input_file::open): Likewise.
5161         * readsyms.cc (Read_symbols::get_name): Likewise.
5162         * testsuite/Makefile.am (searched_file_test): New test.
5163         * testsuite/Makefile.in: Regenerate.
5164         * testsuite/searched_file_test.cc: New file.
5165         * testsuite/searched_file_test_lib.cc: New file.
5167 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5168             Ian Lance Taylor  <iant@google.com>
5170         * descriptor.cc: Include <cstdio> and "binary-io.h".
5171         (Descriptors::open): Open the files in binary mode always.
5172         * script.cc (Lex::get_token): Treat \r as whitespace.
5174 2009-10-09  Ian Lance Taylor  <iant@google.com>
5176         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5178 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5179             Ian Lance Taylor  <iant@google.com>
5181         * configure.ac: Check for readv function also.
5182         * fileread.cc (readv): Define if not HAVE_READV.
5183         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5184         does not exist.
5185         * config.in: Regenerate.
5186         * configure: Regenerate.
5188 2009-10-09  Doug Kwan  <dougkwan@google.com>
5190         * layout.cc (Layout::make_output_section): Call target hook to make
5191         ordinary output section.
5192         (Layout::finalize): Adjust parameter list of call the
5193         Target::may_relax().
5194         * layout.h (class Layout::section_list): New method.
5195         * merge.h (Output_merge_base::entsize): Change visibility to public.
5196         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5197         New methods.
5198         (Output_merge_string::do_is_string): New method.
5199         * object.cc (Sized_relobj::do_setup): renamed from
5200         Sized_relobj::set_up.
5201         * object.h (Sized_relobj::adjust_shndx,
5202         Sized_relobj::initializ_input_to_output_maps,
5203         Sized_relobj::free_input_to_output_maps): Change visibilities to
5204         protected.
5205         (Sized_relobj::setup): Virtualize.
5206         (Sized_relobj::do_setup): New method declaration.
5207         (Sized_relobj::invalidate_section_offset,
5208         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5209         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5210         * options.cc (parse_int): New function.
5211         * options.h (parse_int): New declaration.
5212         (DEFINE_int): New macro.
5213         (stub_group_size): New option.
5214         * output.cc (Output_section::Output_section): Initialize memebers
5215         merge_section_map_, merge_section_by_properties_map_,
5216         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5217         (Output_section::add_input_section): Handled deferred code-fill
5218         generation and remove an old comment.
5219         (Output_section::add_relaxed_input_section): New method definition.
5220         (Output_section::add_merge_input_section): Use merge section by
5221         properties map to speed to search.  Update merge section maps
5222         as appropriate.
5223         (Output_section::build_relaxation_map): New method definition.
5224         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5225         Same.
5226         (Output_section::relax_input_section): Renamed to
5227         Output_section::convert_input_sections_to_relaxed_sections and change
5228         interface to take a vector of pointers to relaxed sections.
5229         (Output_section::find_merge_section,
5230         Output_section::find_relaxed_input_section): New method definitions.
5231         (Output_section::is_input_address_mapped,
5232         Output_section::output_offset, Output_section::output_address):
5233         Use output section data maps to speed up searching.
5234         (Output_section::find_starting_output_address): Add comments.
5235         (Output_section::do_write,
5236         Output_section::write_to_postprocessing_buffer): Do code-fill
5237         generation as appropriate.
5238         (Output_section::get_input_sections): Invalidate relaxed input section
5239         map.
5240         (Output_section::restore_states): Adjust type of checkpoint .
5241         Invalidate relaxed input section map.
5242         * output.h (Output_merge_base): New class declaration.
5243         (Input_section_specifier): New class defintion.
5244         (class Output_relaxed_input_section) Change base class to
5245         Output_section_data_build.
5246         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5247         base class initializer.
5248         (Output_section::add_relaxed_input_section): New method declaration.
5249         (Output_section::Input_section): Change visibility to protected.
5250         (Output_section::Input_section::relobj,
5251         Output_section::Input_section::shndx): Handle relaxed input sections.
5252         Output_section::input_sections) Change visibility to protected.  Also
5253         define overload to return a non-const pointer.
5254         (Output_section::Merge_section_properties): New class defintion.
5255         (Output_section::Merge_section_by_properties_map,
5256         Output_section::Output_section_data_by_input_section_map,
5257         Output_section::Relaxation_map): New types.
5258         (Output_section::relax_input_section): Rename method to
5259         Output_section::convert_input_sections_to_relaxed_sections and change
5260         interface to take a vector of relaxed section pointers.
5261         (Output_section::find_merge_section,
5262         Output_section::find_relaxed_input_section,
5263         Output_section::build_relaxation_map,
5264         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5265         New method declarations.
5266         (Output_section::merge_section_map_
5267         Output_section::merge_section_by_properties_map_,
5268         Output_section::relaxed_input_section_map_,
5269         Output_section::is_relaxed_input_section_map_valid_,
5270         Output_section::generate_code_fills_at_write_): New data members.
5271         * script-sections.cc
5272         (Output_section_element_input::set_section_addresses): Call
5273         current_data_size and addralign methods of relaxed input sections.
5274         (Orphan_output_section::set_section_addresses): Call current_data_size
5275         and addralign methods of relaxed input sections.
5276         * symtab.cc (Symbol_table::compute_final_value): Extract template
5277         from the body of Symbol_table::sized_finalize_symbol.
5278         (Symbol_table::sized_finalized_symbol): Call
5279         Symbol_table::compute_final_value.
5280         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5281         (Symbol_table::compute_final_value): New templated method declaration.
5282         * target.cc (Target::do_make_output_section): New method defintion.
5283         * target.h (Target::make_output_section): New method declaration.
5284         (Target::relax): Add more parameters for input objects, symbol table
5285         and layout.  Adjust call to do_relax.
5286         (Target::do_make_output_section): New method declaration.
5287         (Target::do_relax): Add parameters for input objects, symbol table
5288         and layout.
5290 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5292         * pread.c: Include stdio.h.
5294 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5296         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5297         defined.
5299 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5301         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5302         Change read_shndx type to unsigned int.
5303         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5304         int.
5305         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5306         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5307         Change read_shndx type to unsigned int.
5308         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5309         int.
5310         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5311         * layout.cc (Layout::create_symtab_sections): Cast the result of
5312         local_symcount * symsize to off_t in the gold_assert.
5314 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5316         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5317         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5318         R_ARM_BASE_ABS.
5319         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5320         (Arm_relocate_functions::thm_abs5): New function.
5321         (Arm_relocate_functions::abs12): New function.
5322         (Arm_relocate_functions::abs16): New function.
5323         (Arm_relocate_functions::base_abs): New function.
5324         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5325         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5326         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5327         R_ARM_BASE_ABS.
5328         (Scan::global): Likewise.
5329         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5330         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5331         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5332         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5333         R_ARM_BASE_ABS.
5335 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5337         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5338         (Arm_relocate_functions::movt_prel): New function.
5339         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5340         (Arm_relocate_functions::thm_movt_prel): New function.
5341         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5342         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5343         (Scan::global, Relocate::relocate): Likewise.
5344         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5346 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5348         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5349         Incremental_checker.
5350         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5351         unsigned int.
5352         (class Incremental_inputs_header): New class.
5353         (Incremental_inputs_header_writer): Edit comment.
5354         (Incremental_inputs_entry): New class.
5355         (Incremental_inputs_entry_writer): Edit comment.
5356         (Sized_incremental_binary::do_find_incremental_inputs_section):
5357         Add *strtab_shndx parameter, fill it.
5358         (Sized_incremental_binary::do_check_inputs): New method.
5359         (Incremental_checker::can_incrementally_link_output_file): Use
5360         Sized_incremental_binary::check_inputs.
5361         (Incremental_inputs::report_command_line): Save command line in
5362         command_line_.
5363         * incremental.h:
5364         (Incremental_binary::find_incremental_inputs_section): New
5365         method.
5366         (Incremental_binary::do_find_incremental_inputs_section): Add
5367         strtab_shndx parameter.
5368         (Incremental_binary::do_check_inputs): New pure virtual method.
5369         (Sized_incremental_binary::do_check_inputs): Declare.
5370         (Incremental_checker::Incremental_checker): Add incremental_inputs
5371         parameter, use it to initialize incremental_inputs_.
5372         (Incremental_checker::incremental_inputs_): New field.
5373         (Incremental_checker::command_line): New method.
5374         (Incremental_checker::inputs): New method.
5375         (Incremental_checker::command_line_): New field.
5377 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5379         * incremental.cc: Include <cstdarg> and "target-select.h".
5380         (vexplain_no_incremental): New function.
5381         (explain_no_incremental): New function.
5382         (Incremental_binary::error): New method.
5383         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5384         method.
5385         (make_sized_incremental_binary): New function.
5386         (open_incremental_binary): New function.
5387         (can_incrementally_link_file): Add checks if output is ELF and has
5388         inputs section.
5389         * incremental.h: Include "elfcpp_file.h" and "output.h".
5390         (Incremental_binary): New class.
5391         (Sized_incremental_binary): New class.
5392         (open_incremental_binary): Declare.
5393         * object.cc (is_elf_object): Use
5394         elfcpp::Elf_recognizer::is_elf_file.
5395         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5396         * output.h (Output_file::filesize): New method.
5398 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5400         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5401         New function.
5402         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5403         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5404         function.
5405         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5406         function.
5407         (Arm_relocate_functions::movw_abs_nc): New function.
5408         (Arm_relocate_functions::movt_abs): New function.
5409         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5410         (Arm_relocate_functions::thm_movt_abs): New function.
5411         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5412         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5413         (Scan::global): Likewise.
5414         (Relocate::relocate): Likewise.
5415         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5417 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5419         * arm.cc (Arm_relocate_functions::got_prel) New function.
5420         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5421         (Relocate::relocate): Likewise.
5422         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5424 2009-10-06  Ian Lance Taylor  <iant@google.com>
5426         * options.h (class General_options): Define
5427         split_stack_adjust_size parameter.
5428         * object.h (class Object): Add uses_split_stack_ and
5429         has_no_split_stack_ fields.  Add uses_split_stack and
5430         has_no_split_stack accessor functions.  Declare
5431         handle_split_stack_section.
5432         (class Reloc_symbol_changes): Define.
5433         (class Sized_relobj): Define Function_offsets.  Declare
5434         split_stack_adjust, split_stack_adjust_reltype, and
5435         find_functions.
5436         * object.cc (Object::handle_split_stack_section): New function.
5437         (Sized_relobj::do_layout): Call handle_split_stack_section.
5438         * dynobj.cc (Sized_dynobj::do_layout): Call
5439         handle_split_stack_section.
5440         * reloc.cc (Sized_relobj::relocate_sections): Call
5441         split_stack_adjust for executable sections in split_stack
5442         objects.  Pass reloc_map to relocate_section.
5443         (Sized_relobj::split_stack_adjust): New function.
5444         (Sized_relobj::split_stack_adjust_reltype): New function.
5445         (Sized_relobj::find_functions): New function.
5446         * target-reloc.h: Include "object.h".
5447         (relocate_section): Add reloc_symbol_changes parameter.  Change
5448         all callers.
5449         * target.h (class Target): Add calls_non_split method.  Declare
5450         do_calls_non_split virtual method.  Declare match_view and
5451         set_view_to_nop.
5452         * target.cc: Include "elfcpp.h".
5453         (Target::do_calls_non_split): New function.
5454         (Target::match_view): New function.
5455         (Target::set_view_to_nop): New function.
5456         * gold.cc (queue_middle_tasks): Give an error if mixing
5457         split-stack and non-split-stack objects with -r.
5458         * i386.cc (Target_i386::relocate_section): Add
5459         reloc_symbol_changes parameter.
5460         (Target_i386::do_calls_non_split): New function.
5461         * x86_64.cc (Target_x86_64::relocate_section): Add
5462         reloc_symbol_changes parameter.
5463         (Target_x86_64::do_calls_non_split): New function.
5464         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5465         parameter.
5466         * powerpc.cc (Target_powerpc::relocate_section): Add
5467         reloc_symbol_changes parameter.
5468         * sparc.cc (Target_sparc::relocate_section): Add
5469         reloc_symbol_changes parameter.
5470         * configure.ac: Call AM_CONDITIONAL for the default target.
5471         * configure: Rebuild.
5472         * testsuite/Makefile.am (TEST_AS): New variable.
5473         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5474         (check_DATA): Add split_i386 and split_x86_64 files.
5475         (SPLIT_DEFSYMS): Define.
5476         (split_i386_[1234n].o): New targets.
5477         (split_i386_[124]): New targets.
5478         (split_i386_[1234r].stdout): New targets.
5479         (split_x86_64_[1234n].o): New targets.
5480         (split_x86_64_[124]): New targets.
5481         (split_x86_64_[1234r].stdout): New targets.
5482         (MOSTLYCLEANFILES): Add new executables.
5483         * testsuite/split_i386.sh: New file.
5484         * testsuite/split_x86_64.sh: New file.
5485         * testsuite/split_i386_1.s: New file.
5486         * testsuite/split_i386_2.s: New file.
5487         * testsuite/split_i386_3.s: New file.
5488         * testsuite/split_i386_4.s: New file.
5489         * testsuite/split_i386_n.s: New file.
5490         * testsuite/split_x86_64_1.s: New file.
5491         * testsuite/split_x86_64_2.s: New file.
5492         * testsuite/split_x86_64_3.s: New file.
5493         * testsuite/split_x86_64_4.s: New file.
5494         * testsuite/split_x86_64_n.s: New file.
5495         * testsuite/testfile.cc (Target_test): Update relocation_section
5496         function.
5497         * testsuite/Makefile.in: Rebuild.
5499 2009-10-06  Ian Lance Taylor  <iant@google.com>
5501         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5502         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5503         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5504         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5505         the address on ldo_addrs_.
5506         (Target_i386::Relocate::fix_up_ldo): New function.
5508 2009-10-06   Rafael Espindola  <espindola@google.com>
5510         * plugin.cc (add_input_library): New.
5511         (Plugin::load): Add add_input_library to tv.
5512         (Plugin_manager::add_input_file): Add the is_lib argument.
5513         (add_input_file): Update call to Plugin_manager::add_input_file.
5514         (add_input_library): New.
5515         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5517 2009-09-30  Doug Kwan  <dougkwan@google.com>
5519         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5520         symbol and call Symbol::may_need_copy_reloc to determine if
5521         a copy reloc is needed.
5522         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5523         nocopyreloc is given in command line.
5524         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5525         given in command line.
5526         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5527         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5528         of the removed Target_i386::may_need_copy_reloc.
5529         * options.h (copyreloc): New option with default value false.
5530         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5531         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5532         instead of the removed Target_powerpc::may_need_copy_reloc.
5533         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5534         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5535         instead of the removed Target_sparc::may_need_copy_reloc.
5536         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5537         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5538         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5539         instead of the removed Target_x86_64::may_need_copy_reloc.
5541 2009-09-30  Ian Lance Taylor  <iant@google.com>
5543         * object.h (class Object): Remove target_ field, and target,
5544         sized_target, and set_target methods.
5545         (Object::sized_target): Remove.
5546         (class Sized_relobj): Update declarations.  Remove sized_target.
5547         * object.cc (Sized_relobj::setup): Remove target parameter.
5548         Change all callers.
5549         (Input_objects::add_object): Don't do anything with the target.
5550         (make_elf_sized_object): Add punconfigured parameter.  Change all
5551         callers.  Set or test parameter target.
5552         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5553         Change all callers.
5554         * parameters.cc (Parameters::set_target): Change parameter type to
5555         be non-const.
5556         (Parameters::default_target): Remove.
5557         (set_parameters_target): Change parameter type to be non-const.
5558         (parameters_force_valid_target): New function.
5559         (parameters_clear_target): New function.
5560         * parameters.h (class Parameters): Update declarations.  Remove
5561         default_target method.  Add sized_target and clear_target
5562         methods.  Change target_ to be non-const.
5563         (set_parameters_target): Update declaration.
5564         (parameters_force_valid_target): Declare.
5565         (parameters_clear_target): Declare.
5566         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5567         as NULL if we aren't searching.
5568         (Add_symbols::run): Don't check for compatible target.
5569         * fileread.cc (Input_file::open_binary): Call
5570         parameters_force_valid_target.
5571         * gold.cc (queue_middle_tasks): Likewise.
5572         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5573         set_target on object.
5574         * dynobj.h (class Sized_dynobj): Update declarations.
5575         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5576         make_elf_object returns NULL.
5577         (Archive::include_member): Don't check whether object target is
5578         compatible.
5579         * output.cc (Output_section::add_input_section): Get target from
5580         parameters.
5581         (Output_section::relax_input_section): Likewise.
5582         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5583         parameters.
5584         (Sized_relobj::do_scan_relocs): Likewise.
5585         (Sized_relobj::relocate_sections): Likewise.
5586         * resolve.cc (Symbol_table::resolve): Likewise.
5587         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5588         parameter.  Change all callers.
5589         (Symbol_table::add_from_object): Get target from parameters.
5590         (Symbol_table::add_from_relobj): Don't check object target.
5591         (Symbol_table::add_from_dynobj): Likewise.
5592         (Symbol_table::define_special_symbol): Get target from
5593         parameters.
5594         * symtab.h (class Symbol_table): Update declaration.
5595         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5596         parameter.  Change all callers.  Clear parameter target.
5597         (Binary_test): Test target here.
5598         * testsuite/object_unittest.cc (gold_testsuite): Remove
5599         target_test_pointer parameter.  Change all callers.
5600         (Object_test): Test target here.
5602 2009-09-26  Ian Lance Taylor  <iant@google.com>
5604         * testsuite/initpri1.c: Don't try to use constructor priorities if
5605         compiling with gcc before 4.3.
5607 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5609         * testsuite/retain_symbols_file_test.sh (check_present): Change
5610         output file name to retain_symbols_file_test.stdout.
5611         (check_absent): Likewise.
5613 2009-09-18  Craig Silverstein  <csilvers@google.com>
5615         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5616         * options.cc: Include <cerrno> and <fstream>.
5617         (General_options::finalize): Parse -retain-symbols-file tag.
5618         * options.h: New flag.
5619         (General_options): New method should_retain_symbol, new
5620         variable symbols_to_retain.
5621         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5622         should_retain_symbol map.
5623         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5624         * testsuite/Makefile.in: Regenerate.
5625         * testsuite/retain_symbols_file_test.sh: New file.
5627 2009-09-18  Nick Clifton  <nickc@redhat.com>
5629         * po/es.po: Updated Spanish translation.
5631 2009-09-17  Doug Kwan  <dougkwan@google.com>
5633         * debug.h (DEBUG_RELAXATION): New constant.
5634         (DEBUG_ALL): Add DEBUG_RELAXATION.
5635         (debug_string_to_enum): Add relaxation debug option.
5636         * layout.cc
5637         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5638         Layout::Relaxation_debug_check::read_sections,
5639         Layout::Relaxation_debug_check::read_sections): New method definitions.
5640         (Layout::Layout): Initialize data members
5641         record_output_section_data_from_scrips_,
5642         script_output_section_data_list_ and relaxation_debug_check_.
5643         (Layout::save_segments, Layout::restore_segments,
5644         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5645         Layout::relaxation_loop_body): New method definitions.
5646         (Layout::finalize): Support relaxation.  Move section layout code to
5647         Layout::relaxation_loop_body.
5648         (Layout::set_asection_address_from_script): Move code for orphan
5649         section placement out.
5650         (Layout::place_orphan_sections_in_script): New method definition.
5651         * layout.h (Output_segment_headers, Output_file_header):
5652         New forward class declarations.
5653         (Layout::~Layout): Define.
5654         (Layout::new_output_section_data_from_script): New method definition.
5655         (Layout::place_orphan_sections_in_script): New method declaration.
5656         (Layout::Segment_states): New type declaration.
5657         (Layout::save_segments, Layout::restore_segments,
5658         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5659         Layout::relaxation_loop_body): New method declarations.
5660         (Layout::Output_section_data_list): New type declaration.
5661         (Layout::Relaxation_debug_check): New class definition.
5662         (Layout::record_output_section_data_from_script_,
5663         Layout::script_output_section_data_list_, Layout::segment_states_,
5664         Layout::relaxation_debug_check_): New data members.
5665         * output.cc: (Output_section_headers::do_size): New method definition.
5666         (Output_section_headers::Output_section_headers): Move size
5667         computation to Output_section_headers::do_size.
5668         (Output_segment_headers::do_size): New method definition.
5669         (Output_file_header::Output_file_header): Move size computation to
5670         Output_file_header::do_size and call it.
5671         (Output_file_header::do_size): New method definition.
5672         (Output_data_group::Output_data_group): Adjust call to
5673         Output_section_data.
5674         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5675         (Output_symtab_xindex::do_write): Add array bound check.
5676         (Output_section::Input_section::print_to_mapfile): Handle
5677         RELAXED_INPUT_SECTION_CODE.
5678         (Output_section::Output_section): Initialize data member checkpoint_.
5679         (Output_section::~Output_section): Delete checkpoint object pointed
5680         by checkpoint_.
5681         (Output_section::add_input_section): Always add an Input_section if
5682         relaxing.
5683         (Output_section::add_merge_input_section): Add assert.
5684         (Output_section::relax_input_section): New method definition.
5685         (Output_section::set_final_data_size): Set load address to zero for
5686         an unallocated section.
5687         (Output_section::do_address_and_file_offset_have_reset_values):
5688         New method definition.
5689         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5690         Handle relaxed input section.
5691         (Output_section::sort_attached_input_sections): Checkpoint input
5692         section list lazily.
5693         (Output_section::get_input_sections): Change type of input_sections to
5694         list of Simple_input_section pointers.  Checkpoint input section list
5695         lazily.  Also handle relaxed input sections.
5696         (Output_section::add_input_section_for_script): Take a reference to
5697         a Simple_input_section object instead of Relobj pointer and section
5698         index as parameter.  Handle relaxed input sections.
5699         (Output_section::save_states, Output_section::restore_states): New
5700         method definitions.
5701         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5702         (Output_data::is_data_size_fixed): New method definition.
5703         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5704         if it is fixed.
5705         (Output_data::address_and_file_offset_have_reset_values): New method
5706         definition.
5707         (Output_data::do_address_and_file_offset_have_reset_values): New method
5708         definition.
5709         (Output_data::set_data_size): Check that data size is not fixed.
5710         (Output_data::fix_data_size): New method definition.
5711         (Output_data::is_data_size_fixed_): New data member.
5712         (Output_section_headers::set_final_data_size): New method definition.
5713         (Output_section_headers::do_size): New method declaration.
5714         (Output_segment_headers::set_final_data_size): New method definition.
5715         (Output_segment_headers::do_size): New method declaration.
5716         (Output_file_header::set_final_data_size)::New method definition.
5717         (Output_file_header::do_size)::New method declaration.
5718         (Output_section_data::Output_section_data): Add new parameter
5719         is_data_size_fixed and use it to fix data size.
5720         (Output_data_const::Output_data_const): Adjust call to base class
5721         constructor and fix data size.
5722         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5723         base class constructor and fix data size.
5724         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5725         base class constructor and fix data size.
5726         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5727         class constructor and fix data size.
5728         (Output_data_group::set_final_data_size): New method definition.
5729         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5730         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5731         class constructor and fix data size.
5732         (Output_relaxed_input_section): New class definition.
5733         (Output_section::Simple_input_section): New class definition.
5734         (Output_section::get_input_sections): Adjust parameter list.
5735         (Output_section::add_input_section_for_script): Same.
5736         (Output_section::save_states, Output_section::restore_states,
5737         Output_section::do_address_and_file_offset_have_reset_values,
5738         (Output_section::Input_section::Input_section): Handle
5739         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5740         Output_relaxed_input_section.
5741         (Output_section::Input_section::is_input_section,
5742         Output_section::Input_section::set_output_section): Handle relaxed
5743         input section.
5744         (Output_section::Input_section::is_relaxed_input_section,
5745         Output_section::Input_section::output_section_data,
5746         Output_section::Input_section::relaxed_input_section): New method
5747         definitions.
5748         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5749         value.
5750         (Output_section::Input_section::u1_): Update comments.
5751         (Output_section::Input_section::u2_): Add new union member poris.
5752         (Output_section::Checkpoint_output_section): New classs definition.
5753         (Output_section::relax_input_section): New method declaration.
5754         (Output_section::checkpoint_): New data member.
5755         (Output_segment): Update comments.
5756         (Output_segment::Output_segment): Un-privatize copy constructor.
5757         (Output_segment::operator=): Un-privatize.
5758         * script-sections.cc (Output_section_element::Input_section_list):
5759         Change element type to Output_section::Simple_input_section.
5760         (Output_section_element_dot_assignment::set_section_addresses):
5761         Register output section data for relaxation clean up.
5762         (Output_data_exression::Output_data_expression): Adjust call to base
5763         constructor to fix data size.
5764         (Output_section_element_data::set_section_addresses): Register
5765         Output_data_expression object for relaxation clean up.
5766         (struct Input_section_info): Replace Relobj pointer and section index
5767         pair with Output_section::Simple_input_section and Convert struct to a
5768         class.
5769         (Input_section_sorter::operator()): Adjust access to
5770         Input_section_info data member to use accessors.
5771         (Output_section_element_input::set_section_addresses): Use layout
5772         parameter.  Adjust code to use Output_section::Simple_input_section
5773         and Input_secction_info classes.  Register filler for relaxation
5774         clean up.
5775         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5776         and section index pair with Output_section::Simple_input_section
5777         class.  Adjust code accordingly.
5778         (Phdrs_element::release_segment): New method definition.
5779         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5780         segment list.
5781         (Script_sections::release_segments): New method definition.
5782         * gold/script-sections.h (Script_sections::release_segments): New
5783         method declaration.
5784         * gold/target.h (Target::may_relax, Target::relax,
5785         Target::do_may_relax, Target::do_relax): New method definitions.
5787 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5789         * arm.cc (has_signed_unsigned_overflow): New function.
5790         (Arm_relocate_functions::abs8): New function.
5791         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5792         (Target_arm::Scan::global): Likewise.
5793         (Target_arm::relocate::relocate): Likewise.
5794         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5795         Likewise.
5797 2009-09-16  Cary Coutant  <ccoutant@google.com>
5799         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5800         * testsuite/Makefile.in: Regenerate.
5802 2009-09-11  Nick Clifton  <nickc@redhat.com>
5804         * po/gold.pot: Updated by the Translation project.
5806 2009-09-08  Cary Coutant  <ccoutant@google.com>
5808         * output.cc (Output_file::open): Add execute permission to empty file.
5809         * testsuite/Makefile.am (permission_test): New test.
5810         * testsuite/Makefile.in: Regenerate.
5812 2009-09-02  Ian Lance Taylor  <iant@google.com>
5814         * output.cc (Output_file::resize): Call map_no_anonymous rather
5815         than map.
5817 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5819         * gold.cc: Include "incremental.h".
5820         (queue_initial_tasks): Call Incremental_checker methods.
5821         * incremental.cc: Include "output.h".
5822         (Incremental_checker::can_incrementally_link_output_file): New
5823         method.
5824         * incremental.h (Incremental_checker): New class.
5826         * output.cc (Output_file::open_for_modification): New method.
5827         (Output_file::map_anonymous): Changed return type to bool.  Record
5828         map in base_ field.
5829         (Output_file::map_no_anonymous): New method, broken out of map.
5830         (Output_file::map): Use map_no_anonymous and map_anonymous.
5831         * output.h (class Output_file): Update declarations.
5833 2009-08-24  Cary Coutant  <ccoutant@google.com>
5835         * options.h (Command_line::Pre_options): New class.
5836         (Command_line::pre_options): New member.
5837         * options.cc (gold::options::ready_to_register): New variable.
5838         (One_option::register_option): Do nothing if not registering options.
5839         Assert if same short option registered twice.
5840         (General_options::General_options): Turn off option registration when
5841         done constructing.
5842         (Command_line::Pre_options::Pre_options): New constructor.
5844 2009-08-24  Cary Coutant  <ccoutant@google.com>
5846         * options.h (General_options::no_keep_memory): Remove incorrect
5847         short option.
5849 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5851         * Makefile.am (am__skiplex, am__skipyacc): New.
5852         * Makefile.in: Regenerate.
5854 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5856         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5857         (INCLUDES): ... this.
5858         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5859         (AM_CPPFLAGS): Renamed from ...
5860         (INCLUDE): ... this.
5861         * Makefile.in, testsuite/Makefile.in: Regenerate.
5863         * Makefile.in: Regenerate.
5864         * aclocal.m4: Likewise.
5865         * config.in: Likewise.
5866         * configure: Likewise.
5867         * testsuite/Makefile.in: Likewise.
5869         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5870         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5871         * Makefile.in: Regenerate.
5872         * testsuite/Makefile.in: Regenerate.
5874 2009-08-19  Cary Coutant  <ccoutant@google.com>
5876         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5877         symbols in shared libraries overridden by hidden or internal symbols
5878         in the main program.
5880 2009-08-19  Chris Demetriou  <cgd@google.com>
5882         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5883         checking source file names in error messages.
5885 2009-08-18  Doug Kwan  <dougkwan@google.com>
5887         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5888         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5889         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5890         an elfcpp::Ehdr as parameter.
5891         * object.cc (Object::set_target): Remove the version that looks up
5892         a target and sets it.
5893         (Sized_relobj::setup): Take a Target object instead of
5894         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5895         (make_elf_sized_object): Find target and ask target to
5896         make an ELF object.
5897         * object.h: (Object::set_target): Remove the version that looks up
5898         a target and sets it.
5899         (Sized_relobj::setup): Take a Target object instead of
5900         an elfcpp:Ehdr as parameter.
5901         * target.cc: Include dynobj.h.
5902         (Target::do_make_elf_object_implementation): New.
5903         (Target::do_make_elf_object): New.
5904         * target.h (Target::make_elf_object): New template declaration.
5905         (Target::do_make_elf_object): New method declarations.
5906         (Target::do_make_elf_object_implementation): New template declaration.
5908 2009-08-14  Ian Lance Taylor  <iant@google.com>
5910         * gold.h (FUNCTION_NAME): Define.
5911         (gold_unreachable): Use FUNCTION_NAME.
5913 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5915         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5916         symbol in the --keep-unique list is not found.
5918 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5920         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5921         been maked as --keep-unique.
5922         (Icf::unfold_section): New function.
5923         * icf.h (Icf::unfold_section): New function.
5924         * options.h (General_options::keep_unique): New option.
5925         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5926         * testsuite/Makefile.in: Regenerate.
5927         * testsuite/icf_keep_unique_test.sh: New file.
5928         * testsuite/icf_keep_unique_test.cc: New file.
5930 2009-08-12  Cary Coutant  <ccoutant@google.com>
5932         PR 10471
5933         * resolve.cc (Symbol_table::resolve): Check for references from
5934         dynamic objects to hidden and internal symbols.
5935         * testsuite/Makefile.am (hidden_test.sh): New test.
5936         * testsuite/Makefile.in: Regenerate.
5937         * testsuite/hidden_test.sh: New script.
5938         * testsuite/hidden_test_1.c: New test source.
5939         * testsuite/hidden_test_main.c: New test source.
5941 2009-08-11  Doug Kwan  <dougkwan@google.com>
5943         * arm.cc: Update comments.
5944         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5945         segment to locate the .ARM.exidx section if present.
5947 2009-08-09  Doug Kwan  <dougkwan@google.com>
5949         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5950         patch.
5952 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5953         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5954         compiler warnings.
5956 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5958         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5959         valid tls_segment only for non-debug-section relocations.
5960         * testsuite/Makefile.am: Add gc_tls_test.
5961         * testsuite/Makefile.in: Regenerate.
5962         * testsuite/gc_tls_test.cc: New file.
5963         * testsuite/gc_tls_test.sh: New file.
5965 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5967         * icf.cc: New file.
5968         * icf.h: New file.
5969         * Makefile.am (CCFILES): Add icf.cc.
5970         (HFILES): Add icf.h
5971         * Makefile.in: Regenerate.
5972         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5973         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5974         section, symbol and addend information for the relocs.
5975         * gold.cc (queue_middle_tasks): Call identical code folding.
5976         * gold.h: Add defines for multimap.
5977         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5978         to the call of finalize_local_symbols.
5979         * main.cc (main): Create object of class Icf.
5980         * object.cc (Sized_relobj::do_layout): Allow this function to be
5981         called twice during icf.
5982         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5983         to sections marked as identical by icf.
5984         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5985         when available.
5986         (Sized_relobj::do_section_entsize): New function.
5987         * object.h (Object::section_entsize): New function.
5988         (Object::do_section_entsize): New pure virtual function.
5989         (Relobj::finalize_local_symbols): Add new parameter.
5990         (Relobj::do_section_entsize): New function.
5991         * options.h (General_options::icf): New option.
5992         (General_options::icf_iterations): New option.
5993         (General_options::print_icf_sections): New option.
5994         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5995         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5996         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5997         icf.
5998         * symtab.cc (Symbol_table::is_section_folded): New function.
5999         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6000         to sections marked as identical by icf.
6001         * symtab.h (Symbol_table::set_icf): New function.
6002         (Symbol_table::icf): New function.
6003         (Symbol_table::is_section_folded): New function.
6004         (Symbol_table::icf_): New data member.
6005         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6006         * testsuite/Makefile.am: Add commands to build icf_test.
6007         * testsuite/Makefile.in: Regenerate.
6008         * testsuite/icf_test.sh: New file.
6009         * testsuite/icf_test.cc: New file.
6011 2009-07-24  Chris Demetriou  <cgd@google.com>
6013         * layout.cc (is_compressible_debug_section): Fix incorrect
6014         comment about compressed section names.
6016 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6018         PR 10419
6019         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6021 2009-07-16  Ian Lance Taylor  <iant@google.com>
6023         PR 10400
6024         * layout.h: #include <map>.
6025         (class Kept_section): Change from struct to class.  Add accessors
6026         and setters.  Add section size to Comdat_group mapping.  Change
6027         Comdat_group to std::map.  Add is_comdat_ field.  Add
6028         linkonce_size field in union.
6029         (class Layout): Update declaration of find_or_add_kept_section.
6030         Don't declare find_kept_object.
6031         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6032         parameter.  Add object, shndx, is_comdat, and is_group_name
6033         parameters.  Change all callers.  Adjust for new Kept_section.
6034         (Layout::find_kept_object): Remove.
6035         * object.cc (Sized_relobj::include_section_group): Update use of
6036         Kept_section.  Rename secnum to shndx.  Only record
6037         Kept_comdat_section if sections are the same size.
6038         (Sized_relobj::include_linkonce_section): Update use of
6039         Kept_section.  Only record Kept_comdat_section if sections are the
6040         same size.  Set size of linkonce section.
6041         (Sized_relobj::map_to_kept_section): Update call to
6042         get_kept_comdat_section.
6043         * object.h (class Sized_relobj): Rename fields in
6044         Kept_comdat_section to drop trailing underscores; change object
6045         field to Relobj*.  Change Kept_comdat_section_table to store
6046         struct rather than pointer.
6047         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6048         Add kept_object and kept_shndx parameters.  Change all callers.
6049         (Sized_relobj::get_kept_comdat_section): Change return type to
6050         bool.  Add kept_object and kept_shndx parameters.  Change all
6051         callers.
6052         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6053         Layout::find_or_add_kept_section.
6055 2009-07-09  Ian Lance Taylor  <iant@google.com>
6057         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6058         Reserve space in the hash table.
6060 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6062         * fileread.cc (File_read::get_mtime): New method.
6063         * fileread.h (Timespec): New structure.
6064         (File_read::get_mtime): New method.
6065         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6066         Renamed from timestamp_nsec.
6067         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6068         Elf_Xword.
6069         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6070         timestamp_nsec.
6071         (Incremental_inputs::report_archive): Save mtime; style fix.
6072         (Incremental_inputs::report_obejct): Save mtime; style fix.
6073         (Incremental_inputs::report_script): Save mtime; style fix.
6074         (Incremental_inputs::finalize_inputs): Style fix.
6075         (Incremental_inputs::finalize): Style fix.
6076         (Incremental_inputs::create_input_section_data): Store inputs
6077         mtime.
6078         * incremental.h (Incremental_inputs::report_script): Add mtime
6079         argument.
6080         (Incremental_inputs::Input_info::Input_info): Intialize only one
6081         union member.
6082         (Incremental_inputs::Input_info::archive): Move to nameless
6083         union.
6084         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6085         (Incremental_inputs::Input_info::script): Move to nameless union.
6086         (Incremental_inputs::mtime): New field.
6087         * script.cc (read_input_script): Pass file mtime to
6088         Incremental_input.
6089         * script.h (Script_info::inputs): Style fix.
6091 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6093         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6094         instead of 32.
6096 2009-06-24  Ian Lance Taylor  <iant@google.com>
6098         PR 10156
6099         * layout.cc (Layout::choose_output_section): If we find an
6100         existing section, update the flags.
6101         (Layout::create_notes): New function, broken out of
6102         Layout::finalize.
6103         (Layout::finalize): Don't create note sections.
6104         (Layout::create_note): Don't crash if linker script discards
6105         section.
6106         (Layout::create_gold_note): Likewise.
6107         (Layout::create_build_id): Likewise.  Don't set
6108         after_input_sections on the section.
6109         (Layout::create_executable_stack_info): Remove target parameter.
6110         Change caller.
6111         * layout.h (class Layout): Declare create_notes.  Update
6112         declaration of create_executable_stack_info.
6113         * gold.cc (queue_middle_tasks): Call create_notes.
6114         * output.cc (Output_section::update_flags_for_input_section): Move
6115         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6116         invalid.
6117         * output.h (Output_data::mark_address_invalid): New function.
6118         (class Output_section): Only declare, not define,
6119         update_flags_for_input_section.  Remove set_flags.
6121 2009-06-24  Ian Lance Taylor  <iant@google.com>
6123         * script-sections.cc (Output_section_definition::
6124         set_section_addresses): Rename shadowing local load_address to
6125         laddr.
6127 2009-06-24  Ian Lance Taylor  <iant@google.com>
6129         PR 10244
6130         * reloc.cc (relocate_sections): Skip empty relocation sections.
6132 2009-06-23  Ian Lance Taylor  <iant@google.com>
6134         PR 10156
6135         * layout.cc (Layout::create_note): Use choose_output_section
6136         rather than make_output_section.
6138 2009-06-23  Ian Lance Taylor  <iant@google.com>
6140         PR 10237
6141         * options.cc (General_options::parse_V): Set printed_version_.
6142         (General_options::General_options): Initialize printed_version_.
6143         * options.h (class General_options): Add printed_version_ field.
6144         * gold.cc (queue_initial_tasks): If there are no input files,
6145         don't give a fatal error if we printed the version information.
6146         (queue_middle_tasks): If using -r with a shared object, give a
6147         fatal error rather than an ordinary error.
6149 2009-06-23  Ian Lance Taylor  <iant@google.com>
6151         PR 10219
6152         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6153         (Layout::make_output_section): Set have_stabstr_section_ if we see
6154         a .stab*str section.
6155         (Layout::finalize): Call link_stabs_sections.
6156         (Layout::link_stabs_sections): New file.
6157         * layout.h (class Layout): Add have_stabstr_section_ field.
6158         Declare link_stabs_sections.
6160 2009-06-23  Doug Kwan  <dougkwan@google.com>
6162         * Makefile.am (libgold_a_LIBADD): New.
6163         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6164         * Makefile.in: Regenerate.
6165         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6166         * configure: Regenerate.
6167         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6168         * fileread.cc: Include sys/state.h
6169         * gold.h: Declare memmem and strndup if found missing.
6170         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6172 2009-06-23  Ian Lance Taylor  <iant@google.com>
6174         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6175         * configure: Rebuild.
6177 2009-06-23  Ian Lance Taylor  <iant@google.com>
6179         PR 10147
6180         * object.cc (Object::section_contents): Don't try to get a view if
6181         the section has length zero.
6182         (Object::handle_gnu_warning_section): If the section is empty, use
6183         the name of the section as the warning.
6185 2009-06-23  Ian Lance Taylor  <iant@google.com>
6187         PR 10133
6188         * stringpool.h (class Stringpool_template): Add optimize_ field.
6189         (Stringpool_template::set_optimize): New function.
6190         * stringpool.cc (Stringpool_template::Stringpool_template):
6191         Initialize optimize_ field.
6192         (Stringpool_template::set_string_offsets): Test local optimize
6193         fild rather than parameter.
6194         * layout.cc (Layout::Layout): Call set_optimize on the section
6195         name stringpool.
6197 2009-06-22  Ian Lance Taylor  <iant@google.com>
6199         PR 10030
6200         * yyscript.y: Parse TARGET.
6201         * script.cc (script_set_target): New function.
6202         * script-c.h (script_set_target): Declare.
6203         * options.cc (General_options::string_to_object_format): Rename
6204         from string_to_object_format in anonymous namespace.  Change
6205         callers.
6206         * options.h (class General_options): Declare
6207         string_to_object_format.
6209 2009-06-22  Ian Lance Taylor  <iant@google.com>
6211         * script-sections.cc (Script_sections::create_segments): Don't put
6212         program headers in a PT_LOAD segment if -n or -N.
6214 2009-06-22  Ian Lance Taylor  <iant@google.com>
6216         PR 10141
6217         * options.h (class General_options): Add -z lazy and -z now.  Sort
6218         -z options into alphabetical order.
6219         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6221 2009-06-21  Ian Lance Taylor  <iant@google.com>
6223         * layout.cc (Layout::make_output_section): Call
6224         Target::new_output_section.
6225         (Layout::attach_allocated_section_to_segment): Put large section
6226         sections in a separate load segment with the large segment flag
6227         set.
6228         (Layout::segment_precedes): Sort large data segments after other
6229         load segments.
6230         (align_file_offset): New static function.
6231         (Layout::set_segment_offsets): Use align_file_offset.
6232         * output.h (class Output_section): Add is_small_section_ and
6233         is_large_section_ fields.
6234         (Output_section::is_small_section): New function.
6235         (Output_section::set_is_small_section):  New function.
6236         (Output_section::is_large_section): New function.
6237         (Output_section::set_is_large_section): New function.
6238         (Output_section::is_large_data_section): New function.
6239         (class Output_segment): Add is_large_data_segment_ field.
6240         (Output_segment::is_large_data_segment): New function.
6241         (Output_segment::set_is_large_data_segment): New function.
6242         * output.cc (Output_section::Output_section): Initialize new
6243         fields.
6244         (Output_segment::Output_segment): Likewise.
6245         (Output_segment::add_output_section): Add assertion that large
6246         data sections always go in large data segments.  Force small data
6247         sections to the end of the list of data sections.  Force small BSS
6248         sections to the start of the list of BSS sections.  For large BSS
6249         sections to the end of the list of BSS sections.
6250         * symtab.h (class Symbol): Declare is_common_shndx.
6251         (Symbol::is_defined): Check Symbol::is_common_shndx.
6252         (Symbol::is_common): Likewise.
6253         (class Symbol_table): Define enum Commons_section_type.  Update
6254         declarations.  Add small_commons_ and large_commons_ fields.
6255         * symtab.cc (Symbol::is_common_shndx): New function.
6256         (Symbol_table::Symbol_table): Initialize new fields.
6257         (Symbol_table::add_from_object): Put small and large common
6258         symbols in the right list.
6259         (Symbol_table::sized_finalized_symbol): Check
6260         Symbol::is_common_shndx.
6261         (Symbol_table::sized_write_globals): Likewise.
6262         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6263         common symbol lists.  Don't call do_allocate_commons_list if the
6264         list is empty.
6265         (Symbol_table::do_allocate_commons_list): Remove is_tls
6266         parameter.  Add comons_section_type parameter.  Change all
6267         callers.  Handle small and large common symbols.
6268         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6269         Symbol::is_common_shndx.
6270         * resolve.cc (symbol_to_bits): Likewise.
6271         * target.h (Target::small_common_shndx): New function.
6272         (Target::small_common_section_flags): New function.
6273         (Target::large_common_shndx): New function.
6274         (Target::large_common_section_flags): New function.
6275         (Target::new_output_section): New function.
6276         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6277         small_common_section_flags, and large_common_section_flags
6278         fields.
6279         (Target::do_new_output_section): New virtual function.
6280         * arm.cc (Target_arm::arm_info): Initialize new fields.
6281         * i386.cc (Target_i386::i386_info): Likewise.
6282         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6283         Likewise.
6284         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6285         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6286         (Target_x86_64::do_new_output_section): New function.
6287         * configure.ac: Define conditional MCMODEL_MEDIUM.
6288         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6289         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6290         (large_LDFLAGS): Define.
6291         * testsuite/large.c: New file.
6292         * testsuite/testfile.cc (Target_test::test_target_info):
6293         Initialize new fields.
6294         * configure, testsuite/Makefile.in: Rebuild.
6296 2009-06-05  Doug Kwan  <dougkwan@google.com>
6298         * Makefile.am (CCFILES): Add target.cc.
6299         * Makefile.in: Regenerate.
6300         * i386.cc (class Target_i386): Define new virtual method to
6301         override do_is_local_label_name in parent.
6302         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6303         local symbols if --discard-locals or -X is given.
6304         * options.h (class General_options): Declare new options
6305         '--discard-locals' and '-X' for discarding locals.
6306         * target.h (class Target): Define new methods is_local_label_name.
6307         Declare new virtual method do_is_local_label_name.
6308         * target.cc: New file.
6309         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6310         (check_SCRIPTS): Add discard_locals_test.sh.
6311         (check_DATA): Add discard_local_tests.syms.
6312         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6313         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6314         * testsuite/Makefile.in: Regenerate.
6315         * testsuite/discard_locals_test.c: New file.
6316         * testsuite/discard_locals_test.sh: Same.
6318 2009-06-05  Doug Kwan  <dougkwan@google.com>
6320         * object.cc (Sized_relobj::Sized_relobj): Initialize
6321         discarded_eh_frame_shndx_ to -1U.
6322         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6323         section.
6324         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6325         a discarded .eh_frame section.
6326         (Sized_relobj::do_finalize_local_symbols): Ditto.
6327         * object.h (class Sized_relobj): Declare new member
6328         discarded_eh_frame_shndx_.
6329         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6330         (local_labels_test.o, local_labels_test): New rules.
6331         * testsuite/Makefile.in: Regenerate.
6333 2009-06-04  Doug Kwan  <dougkwan@google.com>
6335         * layout.cc (Layout::section_name_mapping): Add mapping for
6336         special ARM sections.
6338 2009-06-03  Doug Kwan  <dougkwan@google.com>
6340         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6341         (utils::has_overflow): Same.
6343 2009-06-03  Ian Lance Taylor  <iant@google.com>
6345         * layout.cc (Layout::section_name_mapping): New array, replacing
6346         Layout::linkonce_mapping.
6347         (Layout::section_name_mapping_count): New variable, replacing
6348         Layout::linkonce_mapping_count.
6349         (Layout::linkonce_output_name): Remove.
6350         (Layout::output_section_name): Rewrite.
6351         * layout.h (class Layout): Rename Linkonce_mapping to
6352         Section_name_mapping, linkonce_mapping to section_name_mapping,
6353         linkonce_mapping_count to section_name_mapping_count.  Don't
6354         declare linkonce_output_name.
6356 2009-06-03  Doug Kwan  <dougkwan@google.com>
6358         * gold/arm.cc (namespace utils): New.
6359         (Target_arm::reloc_is_non_pic): Define new method.
6360         (class Arm_relocate_functions): New.
6361         (Target_arm::Relocate::relocate): Handle relocation types used by
6362         Android.
6364 2009-06-03  Ian Lance Taylor  <iant@google.com>
6366         * arm.cc (Target_arm::scan::global): Use || instead of |.
6368 2009-06-02  Doug Kwan  <dougkwan@google.com>
6370         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6371         issued_non_pic_error_.
6372         (class Target_arm::Scan): Declare new method check_non_pic.
6373         Define new method symbol_needs_plt_entry.
6374         Declare new data member issued_non_pic_error_.
6375         (class Target_arm::Relocate): Declare new method
6376         should_apply_static_reloc.
6377         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6378         (Target_arm::Scan::check_non_pic): Define new method.
6379         (Target_arm::Scan::local): Handle a small subset of reloc types used
6380         by Android.
6381         (Target_arm::Scan::local): Same.
6382         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6384 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6386         * incremental.cc (Incremental_inputs::report_command_line): Filter
6387         out --incremental-* options.
6389 2009-05-29  Doug Kwan  <dougkwan@google.com>
6391         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6392         template class.
6393         (class Target_arm): Update comment.
6394         (Target_arm::Target_arm): Initialize new data members GOT_,
6395         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6396         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6397         and Target_arm::rel_dyn_section.
6398         Declare new_enum Target_arm::Got_type.
6399         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6400         and DYNBSS_.
6401         Update commments for member do_dynsym_value.
6402         (Target_arm::got_size, Target_arm::plt_section,
6403         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6404         new methods inside class defintion.
6405         (Target_arm::got_section): Define new method.
6406         (Target_arm::rel_dyn_section): Same.
6407         (Output_data_plt_arm): New template class.
6408         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6409         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6410         (Output_data_plt_arm::add_entry): Same.
6411         (Output_data_plt_arm::first_plt_entry): Define new
6412         static data member for PLT instruction template.
6413         (Output_data_plt_arm::plt_entry): Same.
6414         (Output_data_plt_arm::do_write): Define new method.
6415         (Target_arm::make_plt_entry): Same.
6416         (Target_arm::do_finalize_sections): Same.
6417         (Target_arm::do_dynsym_value): Same.
6419 2009-05-28  Doug Kwan  <dougkwan@google.com>
6421         * Makefile.am (TARGETSOURCES): Add arm.cc.
6422         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6423         * Makefile.in: Regenerate.
6424         * arm.cc: New file.
6425         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6427 2009-05-26  Doug Kwan  <dougkwan@google.com>
6429         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6430         (General_options::check_excluded_libs): Strip off directories in
6431         archive name before matching like GNU ld does.
6432         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6433         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6434         (exclude_libs_test_LDFLAGS): Add linker option
6435         -Wl,--exclude-libs,libexclude_libs_test_3
6436         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6437         an explicit archive without using -l.
6438         (alt/libexclude_libs_test_3.a): New make rule.
6439         * testsuite/Makefile.in: Regenerate.
6440         * testsuite/exclude_libs_test.c : Declare lib3_default().
6441         (main): Call it.
6442         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6443         * exclude_libs_test_3.c: New file.
6445 2009-05-26  Nick Clifton  <nickc@redhat.com>
6447         * po/id.po: New Indonesian translation.
6448         * po/gold.pot: Updated template file.
6450 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6452         * testsuite/Makefile.am: Add -ffunction-sections to compile
6453         gc_comdat_test files.  Add -Wl,--gc-sections to build
6454         gc_comdat_test.
6455         * testsuite/Makefile.in: Regenerate.
6456         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6458 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6460         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6461         kept comdat section was garbage collected.
6462         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6463         * testsuite/Makefile.in: Regenerate.
6464         * testsuite/gc_comdat_test.sh: New file.
6465         * testsuite/gc_comdat_test_1.cc: New file.
6466         * testsuite/gc_comdat_test_2.cc: New file.
6468 2009-05-19  Doug Kwan  <dougkwan@google.com>
6470         * archive.cc (Archive::Archive): Move constructor from archive.h
6471         to here.  Initialize no_export_.
6472         (Archive::get_elf_object_for_member): Set no_export flag of object.
6473         * archive.h (Archive::Archive): Move constructor body to
6474         archive.cc.
6475         (Archive::no_export): New method.
6476         (Archive::no_export_): New field.
6477         * object.h (Object::Object): Initialize no_export_ to false.
6478         (Object::no_export, Object::set_no_export): New methods.
6479         (Object::no_export_): New field.
6480         * options.cc (General_options::parse_exclude_libs): New method.
6481         (General_options::check_excluded_libs) Same.
6482         * options.h (exclude_libs): New option.
6483         (General_options::check_excluded_libs): New method declaration.
6484         (General_options::excluded_libs_): New field.
6485         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6486         default or protected visibility if an object has no-export flag set.
6487         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6488         (check_SCRIPTS): Add exclude_libs_test.sh.
6489         (check_DATA): Add exclude_libs_test.syms.
6490         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6491         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6492         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6493         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6494         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6495         libexclude_libs_test_2.a): New rules.
6496         * testsuite/Makefile.in: Regenerate.
6497         * testsuite/exclude_libs_test.c: New file.
6498         * testsuite/exclude_libs_test.sh: Ditto.
6499         * testsuite/exclude_libs_test_1.c: Ditto.
6500         * testsuite/exclude_libs_test_2.c: Ditto.
6502 2009-05-15  Ian Lance Taylor  <iant@google.com>
6504         * configure.ac: Check for declarations for cases where libiberty.h
6505         checks HAVE_DECL_xxx.
6506         * configure, config.in: Rebuild.
6508 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6510         * gold.h (Incremental_argument_list): Remove (invalid) forward
6511         declaration.
6512         * incremental.cc (Incremental_inputs::report_achive): New method.
6513         (Incremental_inputs::report_object): New method.
6514         (Incremental_inputs::report_script): New method.
6515         (Incremental_inputs::finalize_inputs): New method.
6516         (Incremental_inputs::finalize): Call finalize_inputs().
6517         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6518         Create inputs entries.
6519         * incremental.h (Incremental_input_type): New enum.
6520         (Incremental_inputs::Incremental_input): Initialize new fields.
6521         (Incremental_inputs::report_inputs): New method.
6522         (Incremental_inputs::report_achive): New method.
6523         (Incremental_inputs::report_object): New method.
6524         (Incremental_inputs::report_script): New method.
6525         (Incremental_inputs::finalize_inputs): New method.
6526         (Incremental_inputs::Input_info): New struct.
6527         (Incremental_inputs::Input_info_map): New typedef.
6528         (Incremental_inputs::lock_): New field.
6529         (Incremental_inputs::Inputs_): New field.
6530         (Incremental_inputs::Inputs_map): New field.
6531         * main.cc (main): Call Incremental_input::report_inputs.
6532         * options.h (Input_argument_list): Typedef moved from
6533         Input_arguments.
6534         (Input_file_group::Files): Remove, use ::Input_argument_list.
6535         (Input_file_group::Input_argument_list): Remove, use
6536         ::Input_argument_list.
6537         * plugin.cc (Plugin_manager::add_input_file): Add error in
6538         incremental build.
6539         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6540         functions.
6541         * script.cc (read_input_script): Call
6542         Incremental_input::report_script.
6543         * script.h (Script_info): New class.
6545 2009-04-27  Ian Lance Taylor  <iant@google.com>
6547         * x86_64.cc (do_adjust_output_section): Set entsize to
6548         plt_entry_size.
6550 2009-04-23  Elliott Hughes  <enh@google.com>
6552         * output.cc (Output_file::close): After short writes, continue
6553         writing from the correct offset in the buffer being written.
6555 2009-04-23  Chris Demetriou  <cgd@google.com>
6557         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6558         * configure: Regenerate.
6559         * config.in: Regenerate.
6560         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6561         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6563 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6565         * incremental.cc (Incremental_inputs_header_data): Renamed from
6566         Incremental_input_header_data.
6567         (Incremental_inputs_header_data::data_size): New field.
6568         (Incremental_inputs_header_data::put_input_file_count): Renamed
6569         from input_file_count.
6570         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6571         from command_line_offset.
6572         (Incremental_inputs_header_data::put_reserved): Renamed from
6573         put_reserved.
6574         (Incremental_inputs_entry_data): Renamed from
6575         Incremental_input_entry_data.
6576         (Incremental_inputs_entry_data::data_size): New field.
6577         (Incremental_inputs::report_command_line): New method.
6578         (Incremental_inputs::finalize): New method.
6579         (Incremental_inputs::create_incremental_inputs_data): New method.
6580         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6581         * incremental.h: New file.
6582         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6583        (Layout::finalize): Create incremental inputs section in
6584         incremental builds.
6585        (Layout::create_incremental_info_sections): New method.
6586         * layout.h (Layout::incremental_inputs): New method.
6587        (Layout::create_incremental_info_sections): New method.
6588        (Layout::incremental_inputs_): New field.
6589         * main.cc (main): Notify Incremental_input of the command line.
6591 2009-04-01  Ian Lance Taylor  <iant@google.com>
6592             Mikolaj Zalewski  <mikolajz@google.com>
6594         * gold.h (reserve_unordered_map): Define, three versions, one for
6595         each version of Unordered_map.
6596         * layout.cc (Layout::Layout): Remove options parameter.  Add
6597         number_of_input_files parameter.  Don't initialize options_.
6598         Initialize number_of_input_files_ and resized_signatures_.  Move
6599         sections_are_attached_.
6600         (Layout::layout_group): Reserve space for group_signatures_.
6601         (Layout::find_or_add_kept_section): Change name parameter to be a
6602         reference.  Resize signatures_ map when it gets large enough.
6603         (Layout::layout_eh_frame): Use parameters->options() instead of
6604         this->options_.
6605         (Layout::make_output_section): Likewise.
6606         (Layout::attach_allocated_section_to_segment): Likewise.
6607         (Layout::finalize, Layout::create_executable_stack): Likewise.
6608         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6609         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6610         * layout.h (class Layout): Update declarations.  Remove options_
6611         field.  Add number_of_input_files_ and resized_signatures_
6612         fields.  Move sections_are_attached_ field.
6613         * main.cc (main): Pass number of input files to Layout
6614         constructor.  Don't pass options.
6616 2009-03-30  Ian Lance Taylor  <iant@google.com>
6618         * ffsll.c (ffsll): Correct implementation.
6620 2009-03-27  Ian Lance Taylor  <iant@google.com>
6622         * ffsll.c: New file.
6623         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6624         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6625         * ftruncate.c (ftruncate): Declare before definition.
6626         * mremap.c (mremap): Likewise.
6627         * pread.c (pread): Likewise.
6628         * configure, Makefile.in, config.in: Rebuild.
6630         * mremap.c: New file.
6631         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6632         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6633         (mremap): Declare if HAVE_MREMAP is not defined.
6634         * configure, Makefile.in, config.in: Rebuild.
6636 2009-03-27  Cary Coutant  <ccoutant@google.com>
6638         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6639         position independent.
6640         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6641         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6643 2009-03-24  Cary Coutant  <ccoutant@google.com>
6645         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6646         an executable.
6647         (needs_dynamic_reloc): Likewise.
6649 2009-03-24  Ian Lance Taylor  <iant@google.com>
6651         * yyscript.y (file_cmd): Recognize EXTERN.
6652         (extern_name_list, extern_name_list_body): New nonterminals.
6653         * script.cc (script_add_extern): Define.
6654         * script-c.h (script_add_extern): Declare.
6656 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6658         * object.cc (is_elf_object): Define.
6659         * object.h (is_elf_object): Declare.
6660         * archive.cc (Archive::get_elf_object_for_member): Call
6661         is_elf_object.
6662         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6664 2009-03-24  Elliott Hughes  <enh@google.com>
6666         * output.cc (Output_file::map_anonymous): Define.
6667         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6668         try an anonymous one.  Report the size if the mmap fails.
6669         * output.h (class Output_file): Declare map_anonymous.
6671 2009-03-24  Ian Lance Taylor  <iant@google.com>
6673         * target-select.cc (instantiate_target): Don't acquire the lock if
6674         the instantiated_target_ field has already been set.
6676 2009-03-23  Ian Lance Taylor  <iant@google.com>
6678         * gold-threads.h (class Initialize_lock): Define.
6679         * gold-threads.cc (class Initialize_lock_once): Define.
6680         (initialize_lock_control): New static variable.
6681         (initialize_lock_pointer): New static variable.
6682         (initialize_lock_once): New static function.
6683         (Initialize_lock::Initialize_lock): Define.
6684         (Initialize_lock::initialize): Define.
6685         * target-select.h: Include "gold-threads.h".
6686         (class Target_selector): Add lock_ and initialize_lock_ fields.
6687         Don't define instantiate_target, just declare it.
6688         * target-select.cc (Target_selector::Target_selector): Initialize
6689         new fields.
6690         (Target_selector::instantiate_target): Define.
6691         * descriptors.h: Include "gold-threads.h".
6692         (class Descriptors): Add initialize_lock_ field.
6693         * descriptors.cc (Descriptors::Descriptors): Initialize new
6694         field.
6695         (Descriptors::open): Use initialize_lock_ field
6696         * errors.h (class Errors): Add initialize_lock_ field.
6697         * errors.cc (Errors::Errors): Initialize new field.
6698         (Errors::initialize_lock): Use initialize_lock_ field.
6699         * powerpc.cc (class Target_selector_powerpc): Remove
6700         instantiated_target_ field.  In do_recognize call
6701         instantiate_target rather than do_instantiate_target.  In
6702         do_instantiate_target just allocate a new target.
6703         * sparc.cc (class Target_selector_sparc): Likewise.
6705         * freebsd.h: New file.
6706         * i386.cc: Include "freebsd.h".
6707         (Target_i386): Derive from Target_freebsd rather than
6708         Sized_target.
6709         (Target_selector_i386): Derive from Target_selector_freebsd rather
6710         than Target_selector.
6711         * x86_64.cc: Include "freebsd.h".
6712         (Target_x86_64): Derive from Target_freebsd rather than
6713         Sized_target.
6714         (Target_selector_x86_64): Derive from Target_selector_freebsd
6715         rather than Target_selector.
6716         * target.h (class Target): Add adjust_elf_header and
6717         do_adjust_elf_header.
6718         * output.cc (Output_file_header:: do_sized_write): Call target
6719         adjust_elf_header routine.
6720         * configure.tgt: Set targ_osabi.
6721         * configure.ac: Define GOLD_DEFAULT_OSABI.
6722         * parameters.cc (Parameters::default_target): Pass
6723         GOLD_DEFAULT_OSABI to select_target.
6724         * target-select.h (class Target_selector): Make instantiate_target
6725         protected rather than private.
6726         * Makefile.am (HFILES): Add freebsd.h.
6727         * configure, Makefile.in, config.in: Rebuild.
6729         * merge.cc (do_add_input_section): Correct pend value.  Change
6730         message about last entry not being null terminated from error to
6731         warning.
6733 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6735         * incremental.cc: New file.
6736         * Makefile.am (CCFILES): Add incremental.cc.
6737         * Makefile.in: Rebuild.
6739 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6741         * layout.cc (Layout::output_section_name): Preserve names
6742         of '.note.' sections.
6744 2009-03-19  Ian Lance Taylor  <iant@google.com>
6746         * descriptors.cc (Descriptors::open): Check that the options are
6747         valid before using them.
6749 2009-03-18  Ian Lance Taylor  <iant@google.com>
6751         * script-sections.h: Include <list>.
6752         (class Script_sections): Change Sections_elements from std::vector
6753         to std::list.  Typedef public Elements_iterator.  Add
6754         orphan_section_placement_, data_segment_align_start_, and
6755         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6756         field.
6757         * script-sections.cc (class Orphan_section_placement): New class.
6758         (class Sections_element): Add virtual functions is_relro and
6759         orphan_section_init.  Remove virtual function place_orphan_here.
6760         (class Output_section_definition): Add is_relro and
6761         orphan_section_init.  Remove place_orphan_here.
6762         (class Orphan_output_section): Likewise.
6763         (Script_sections::Script_sections): Update for field changes.
6764         (Script_sections::data_segment_align): Set saw_data_segment_align_
6765         and data_segment_align_start_, not data_segment_align_index.
6766         (Script_sections::data_segment_relro_end): Check
6767         saw_data_segment_align_.  Use data_segment_align_start_ rather
6768         than data_segment_align_index_.
6769         (Script_sections::place_orphan): Rewrite to use
6770         Orphan_section_placement.
6772 2009-03-17  Ian Lance Taylor  <iant@google.com>
6774         * archive.cc (Archive::add_symbols): Check for a version attached
6775         to the symbol name in the archive map.
6776         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6777         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6778         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6779         (ver_test_11.a): New target.
6780         * testsuite/Makefile.in: Rebuild.
6782         * configure.ac: Check for chsize and posix_fallocate.  Replace
6783         ftruncate.
6784         * ftruncate.c: New file, from gnulib.
6785         * output.cc (posix_fallocate): Define dummy version if not
6786         HAVE_POSIX_FALLOCATE.
6787         (Output_file::map): Call posix_fallocate rather than lseek and
6788         write.
6789         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6790         * configure, Makefile.in, config.in: Rebuild.
6792 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6794         * layout.h (Layout::create_note): Add section_name parameter.
6795         * layout.cc (Layout::create_note): Likewise.
6796         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6798 2009-03-17  Ian Lance Taylor  <iant@google.com>
6800         * descriptors.cc: Include "options.h".
6801         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6802         (Descriptors::open): Always use O_CLOEXEC when opening a new
6803         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6804         then set FD_CLOEXEC.
6806         * sparc.cc (class Target_sparc): Add has_got_section.
6807         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6808         make sure we have a GOT section.
6810         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6811         (Target_sparc::Scan::local): Likewise.
6812         (Target_sparc::Scan::global): Likewise.
6813         (Target_sparc::Relocate::relocate): Likewise.
6814         (Target_sparc::Relocate::relocate_tls): Likewise.
6816         * symtab.cc (Symbol_table::define_default_version): New function,
6817         broken out of add_from_object.
6818         (Symbol_table::add_from_object): Call define_default_version.
6819         (Symbol_table::define_special_symbol): Add resolve_oldsym
6820         parameter.  Change all callers.  If the version for a symbol comes
6821         from a version script, resolve it with the symbol with the same
6822         name with no version.  Also add the symbol without a version if
6823         appropriate.
6824         (do_define_in_output_data): If resolving with oldsym, don't delete
6825         sym.
6826         (do_define_in_output_segment): Likewise.
6827         (do_define_as_constant): Likewise.
6828         * symtab.h (class Symbol_table): Update declarations.
6830 2009-03-13  Ian Lance Taylor  <iant@google.com>
6832         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6833         (Read_symbols::requeue): New function.
6834         (Read_symbols::do_read_symbols): If make_elf_object fails because
6835         the target type is not configured, and the file was searched for,
6836         issue a warning and retry with the next directory.
6837         (Add_symbols::run): If the file has an incompatible format, and
6838         it was searched for, requeue the Read_symbols task.  On error,
6839         release the object.
6840         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6841         dirindex parameter to constructor.  Change all callers.  Declare
6842         incompatible_warning and requeue.
6843         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6844         input_argument_ and input_group_ fields.  Add them to
6845         constructor.  Change all callers.
6846         (class Read_script): Add dirindex_ field.  Add it to constructor.
6847         Change all callers.
6848         * archive.cc (Archive::setup): Remove input_objects parameter.
6849         Change all callers.
6850         (Archive::get_file_and_offset): Likewise.
6851         (Archive::read_all_symbols): Likewise.
6852         (Archive::read_symbols): Likewise.
6853         (Archive::get_elf_object_for_member): Remove input_objects
6854         parameter.  Add punconfigured parameter.  Change all callers.
6855         (Archive::add_symbols): Change return type to bool.  Check return
6856         value of include_member.
6857         (Archive::include_all_members): Likewise.
6858         (Archive::include_member): Change return type to bool.  Return
6859         false if first included object has incompatible target.  Set
6860         included_member_ field.
6861         (Add_archive_symbols::run): If add_symbols returns false, requeue
6862         Read_symbols task.
6863         * archive.h (class Archive): Add included_member_ field.
6864         Initialize it in constructor.  Add input_file and searched_for
6865         methods.  Update declarations.
6866         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6867         input_argument_ fields.  Add them to constructor.  Change all
6868         callers.
6869         * script.cc: Include "target-select.h".
6870         (class Parser_closure): Add skip_on_incompatible_target_ and
6871         found_incompatible_target_ fields.  Add
6872         skip_on_incompatible_target parameter to constructor.  Change all
6873         callers.  Add methods skip_on_incompatible_target,
6874         clear_skip_on_incompatible_target, found_incompatible_target, and
6875         set_found_incompatible_target.
6876         (read_input_script): Add dirindex parameter.  Change all callers.
6877         If parser finds an incompatible target, requeue Read_symbols
6878         task.
6879         (script_set_symbol): Clear skip_on_incompatible_target in
6880         closure.
6881         (script_add_assertion, script_parse_option): Likewise.
6882         (script_start_sections, script_add_phdr): Likewise.
6883         (script_check_output_format): New function.
6884         * script.h (read_input_script): Update declaration.
6885         * script-c.h (script_check_output_format): Declare.
6886         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6887         (ignore_cmd): Remove OUTPUT_FORMAT.
6888         * fileread.cc (Input_file::Input_file): Add explicit this.
6889         (Input_file::will_search_for): New function.
6890         (Input_file::open): Add pindex parameter.  Change all callers.
6891         * fileread.h (class Input_file): Add input_file_argument method.
6892         Declare will_search_for.  Update declarations.
6893         * object.cc (make_elf_object): Add punconfigured parameter.
6894         Change all callers.
6895         * object.h (class Object): Make input_file public.  Add
6896         searched_for method.
6897         (make_elf_object): Update declaration.
6898         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6899         restart search.
6900         * dirsearch.h (class Dirsearch): Update declaration.
6901         * options.h (class General_options): Add --warn-search-mismatch.
6902         * parameters.cc (Parameters::is_compatible_target): New function.
6903         * parameters.h (class Parameters): Declare is_compatible_target.
6904         * workqueue.cc (Workqueue::add_blocker): New function.
6905         * workqueue.h (class Workqueue): Declare add_blocker.
6907         * fileread.cc (Input_file::open): Remove options parameter.
6908         Change all callers.
6909         (Input_file::open_binary): Likewise.
6910         * script.cc (read_input_script): Likewise.
6911         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6912         options parameter from constructor.  Change all callers.
6913         (class Read_script): Likewise.
6914         * fileread.h (class Input_file): Update declarations.
6915         * script.h (read_input_script): Update declaration.
6917 2009-03-10  Nick Clifton  <nickc@redhat.com>
6919         * po/es.po: New Spanish translation.
6921 2009-03-06  Cary Coutant  <ccoutant@google.com>
6923         * options.cc (parse_short_option): Keep dash_z from registering itself.
6925 2009-03-03  Ian Lance Taylor  <iant@google.com>
6927         PR 9918
6928         * target-reloc.h (relocate_section): Pass output_section to
6929         relocate.
6930         * i386.cc (Target_i386::should_apply_static_reloc): Add
6931         output_section parameter.  Change all callers.
6932         (Target_i386::Relocate::relocate): Add output_section parameter.
6933         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6934         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6935         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6936         * testsuite/two_file_shared.sh: New script.
6937         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6938         (check_DATA): Add two_file_shared.dbg.
6939         (two_file_shared.dbg): New target.
6940         * testsuite/Makefile.in: Rebuild.
6942 2009-03-01  Ian Lance Taylor  <iant@google.com>
6944         * configure.ac: Check for byteswap.h.
6945         * configure: Rebuild.
6946         * config.in: Rebuild.
6948 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6950         * layout.cc (Layout::find_or_add_kept_section): New function.
6951         (Layout::add_comdat): Removed.
6952         * layout.h (struct Kept_section): Move out of class Layout.
6953         Remove trailing underscores from field names.  Add group_sections
6954         field.  Rename group_ field to is_group.  Change all uses.
6955         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6956         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6957         comdat_groups_ field.
6958         (Sized_relobj::include_section_group): Use
6959         find_or_add_kept_section and Kept_section::group_sections.
6960         (Sized_relobj::include_linkonce_section): Likewise.
6961         * object.cc (class Sized_relobj): Don't define Comdat_group or
6962         Comdat_group_table.  Remove find_comdat_group and
6963         add_comdat_group.  Remove comdat_groups_ field.
6964         * plugin.cc (include_comdat_group): Use
6965         Layout::find_or_add_kept_section.
6967 2009-02-28  Ian Lance Taylor  <iant@google.com>
6969         * README: --gc-sections and map files are now supported.  Document
6970         some build requirements.
6972         PR 6992
6973         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6974         relocatable link set the value of the section symbol to zero.
6975         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6976         relocatable link don't include the section address in the local
6977         symbol value.
6979 2009-02-27  Ian Lance Taylor  <iant@google.com>
6981         PR 6811
6982         * options.h (class Search_directory): Add is_system_directory.
6983         (class General_options): Declare is_in_system_directory.
6984         * options.cc (get_relative_sysroot): Make static.
6985         (get_default_sysroot): Make static.
6986         (General_optoins::is_in_system_directory): New function.
6987         * fileread.cc (Input_file::is_in_system_directory): New function.
6988         * fileread.h (class Input_file): Declare is_in_system_directory.
6989         * object.h (class Object): Add is_in_system_directory.
6990         (class Input_objects): Remove system_library_directory_ field.
6991         * object.cc (Input_objects::add_object): Don't set
6992         system_library_directory_.
6993         (input_objects::found_in_system_library_directory): Remove.
6994         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6995         parameter.  Change all callers.
6996         (Symbol_table::sized_write_globals): Likewise.
6997         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6998         Call Object::is_in_system_directory.
6999         * symtab.h (class Symbol_table): Update declarations.
7001         PR 5990
7002         * descriptors.h (Open_descriptor): Add is_on_stack field.
7003         * descriptors.cc (Descriptors::open): If the descriptor is on the
7004         top of the stack, remove it.  Initialize is_on_stack field.
7005         (Descriptors::release): Only add pod to stack if it is not on the
7006         stack already.
7007         (Descriptors::close_some_descriptor): Clear stack_next and
7008         is_on_stack fields.
7010         PR 7091
7011         * output.cc (Output_section::find_starting_output_address): Rename
7012         from starting_output_address; add PADDR parameter; change return
7013         type.
7014         * output.h (class Output_section): Declare
7015         find_starting_output_address instead of starting_output_address.
7016         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7017         section symbol for which we can't find a merge section.
7019         PR 9836
7020         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7021         hidden or internal, force the symbol to be local.
7022         * resolve.cc (Symbol::override_visibility): Define.
7023         (Symbol::override_base): Use override_visibility.
7024         (Symbol_table::resolve): Likewise.
7025         (Symbol::override_base_with_special): Likewise.
7026         (Symbol_table::override_with_special): If the visibility is hidden
7027         or internal, force the symbol to be local.
7028         * symtab.h (class Symbol): Add set_visibility and
7029         override_visibility.
7030         * testsuite/ver_test_1.sh: New file.
7031         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7032         (check_DATA): Add ver_test_1.syms.
7033         (ver_test_1.syms): New target.
7034         * testsuite/Makefile.in: Rebuild.
7036 2009-02-25  Cary Coutant  <ccoutant@google.com>
7038         * layout.cc (Layout::choose_output_section): Don't rename sections
7039         when using a linker script that has a SECTIONS clause.
7040         * Makefile.in: Regenerate.
7042         * testsuite/Makefile.am (script_test_5.sh): New test case.
7043         * testsuite/Makefile.in: Regenerate.
7044         * testsuite/script_test_5.cc: New file.
7045         * testsuite/script_test_5.sh: New file.
7046         * testsuite/script_test_5.t: New file.
7048 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7050         * archive.cc (Archive::include_member): Update calls to add_symbols.
7051         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7052         the Layout argument.
7053         * dynobj.h (do_add_symbols): Add the Layout argument.
7054         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7055         Layout argument.
7056         * object.h (Object::add_symbols): Add the Layout argument.
7057         (Object::do_add_symbols): Add the Layout argument.
7058         (Sized_relobj::do_add_symbols): Add the Layout argument.
7059         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7060         Unify the two versions.
7061         (Add_plugin_symbols): Remove.
7062         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7063         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7064         (Add_plugin_symbols): Remove.
7065         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7066         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7067         (Add_symbols::run): Make it work with Pulginobj.
7069 2009-02-06  Ian Lance Taylor  <iant@google.com>
7071         * object.cc (Sized_relobj::do_layout): Make info message start
7072         with lower case letter.
7074 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7076         * binary.cc: Fix file comment.
7078         * options.h (enum Incremental_disposition): Define.
7079         (class General_options): Add new options: --incremental,
7080         --incremental_changed, --incremental_unchanged,
7081         --incremental_unknown.  Add incremental_disposition_ and
7082         implicit_incremental_ fields.
7083         (General_options::incremental_disposition): New function.
7084         (class Position_dependent_options): Add incremental_disposition
7085         option.
7086         (Position_dependent_options::copy_from_options): Set incremental
7087         dispositions.
7088         * options.cc (General_options::parse_incremental_changed): New
7089         function.
7090         (General_options::parse_incremental_unchanged): New function.
7091         (General_options::parse_incremental_unknown): New function.
7092         (General_options::General_options): Initialize new fields
7093         incremental_disposition_ and implicit_incremental_.
7094         (General_options::finalize): Check for uasge of --incremental-*
7095         without --incremental.
7097 2009-02-06  Chris Demetriou  <cgd@google.com>
7099         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7100         pointer and to report location as the file name associated with
7101         the symbol.
7102         (gold_undefined_symbol_at_location): New function to replace the
7103         old gold_undefined_symbol functionality.
7104         * target-reloc.h (relocate_section): Update to use
7105         gold_undefined_symbol_at_location.
7106         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7107         Call gold_undefined_symbol function rather than gold_error.
7108         * errors.h (Errors::undefined_symbol): Take location as a
7109         string, rather than calculating it from a relocation.
7110         * errors.cc (Errors::fatal): Print "fatal error:" before the
7111         formatted message.
7112         (Errors::error, Errors::error_at_location): Print "error: "
7113         before the formatted message.
7114         (Errors::undefined_symbol): Take location as a string, rather
7115         than calculating it from a relocation.
7116         (gold_undefined_symbol_at_location): New function akin to
7117         old gold_undefined_symbol, calculates location from relocation.
7118         (gold_undefined_symbol): Change to take only a Symbol pointer
7119         and to report location as the file name associated with the symbol.
7120         * testsuite/debug_msg.sh: Update for changed error messages.
7121         * testsuite/undef_symbol.sh: Likewise.
7123 2009-02-04  Duncan Sands  <baldrick@free.fr>
7125         PR 9812
7126         * reduced_debug_output.h
7127         (Output_reduced_debug_abbrev_section::failed): Use format for
7128         gold_warning.
7129         (Output_reduced_debug_info_section::faild): Likewise.
7131 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7133         * script.cc (Lazy_demangler): New class.
7134         (Version_script_info::get_symbol_version_helper): Demangle a
7135         symbol only once.
7137 2009-01-29  Cary Coutant  <ccoutant@google.com>
7139         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7140         to __tls_get_addr.
7141         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7143 2009-01-28  Ian Lance Taylor  <iant@google.com>
7145         * version.cc (version_string): Bump to 1.9.
7147         * gold.h: Include <cstring> and <stdint.h>.
7148         * version.cc: Include <cstdio>.
7149         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7150         warning.
7151         * reduced_debug_output.cc (insert_into_vector): Rename from
7152         Insert_into_vector; change all callers.  Use Swap_unaligned to
7153         avoid aliasing issue; remove union since it is unnecessary.
7155 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7157         * Makefile.am (CCFILES): Add gc.cc.
7158         (HFILES): Add gc.h.
7159         * Makefile.in: Regenerate.
7160         * gold.cc (Gc_runner): New class.
7161         (queue_initial_tasks): Call garbage collection related tasks
7162         when corresponding options are invoked.
7163         (queue_middle_gc_tasks): New function.
7164         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7165         processed early before laying out sections during garbage collection.
7166         * gold.h (queue_middle_gc_tasks): New function.
7167         (is_prefix_of): Move from "layout.cc".
7168         * i386.cc (Target_i386::gc_process_relocs): New function.
7169         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7170         * main.cc (main): Create object of class "Garbage_collection".
7171         * object.cc (Relobj::copy_symbols_data): New function.
7172         (Relobj::is_section_name_included): New function.
7173         (Sized_relobj::do_layout): Allow this function to be called twice
7174         during garbage collection and defer layout of section during the
7175         first call.
7176         * object.h (Relobj::get_symbols_data): New function.
7177         (Relobj::is_section_name_included): New function.
7178         (Relobj::copy_symbols_data): New function.
7179         (Relobj::set_symbols_data): New function.
7180         (Relobj::get_relocs_data): New function.
7181         (Relobj::set_relocs_data): New function.
7182         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7183         (Relobj::gc_process_relocs): New function.
7184         (Relobj::do_gc_process_relocs): New pure virtual function.
7185         (Relobj::sd_): New data member.
7186         (Sized_relobj::is_output_section_offset_invalid): New function.
7187         (Sized_relobj::do_gc_process_relocs): New function.
7188         * options.h (General_options::gc_sections): Modify to not be a no-op.
7189         (General_options::print_gc_sections): New option.
7190         * plugin.cc (Plugin_finish::run): Remove function call to
7191         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7192         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7193         * reloc.cc (Read_relocs::run): Add task to process relocs and
7194         determine unreferenced sections when doing garbage collection.
7195         (Gc_process_relocs): New class.
7196         (Sized_relobj::do_gc_process_relocs): New function.
7197         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7198         sections that are garbage collected.
7199         * reloc.h (Gc_process_relocs): New class.
7200         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7201         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7202         symbols whose corresponding sections are garbage collected.
7203         (Symbol_table::Symbol_table): Add new parameter for the garbage
7204         collection object.
7205         (Symbol_table::gc_mark_undef_symbols): New function.
7206         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7207         (Symbol_table::gc_mark_dyn_syms): New function.
7208         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7209         as garbage.
7210         (Symbol_table::add_from_object): Likewise.
7211         (Symbol_table::add_from_relobj): When building shared objects, do not
7212         treat externally visible symbols as garbage.
7213         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7214         table information for static and relocatable links.
7215         * symtab.h (Symbol_table::set_gc): New function.
7216         (Symbol_table::gc): New function.
7217         (Symbol_table::gc_mark_undef_symbols): New function.
7218         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7219         (Symbol_table::gc_mark_dyn_syms): New function.
7220         (Symbol_table::gc_): New data member.
7221         * target.h (Sized_target::gc_process_relocs): New pure virtual
7222         function.
7223         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7224         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7226 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7228         * options.h (General_options::gc_sections): Define as a no-op for now.
7229         (General_options::no_keep_memory): Ditto.
7230         (General_options::Bshareable): Define.
7231         * options.cc (General_options::finalize): Honor -Bshareable.
7233 2009-01-20  Andreas Schwab  <schwab@suse.de>
7235         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7236         read the value in the contents, since we don't use it.  Use the
7237         template endianness when writing.
7238         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7240 2009-01-19  Andreas Schwab  <schwab@suse.de>
7242         * configure.tgt (powerpc64-*): Fix targ_obj.
7244 2009-01-15  Ian Lance Taylor  <iant@google.com>
7246         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7247         local symbols when stripping all symbols.
7249 2009-01-14  Cary Coutant  <ccoutant@google.com>
7251         * output.cc (Output_reloc): Add explicit instantiations.
7253 2009-01-14  Cary Coutant  <ccoutant@google.com>
7255         * archive.cc (Archive::get_elf_object_for_member): Remove call
7256         to File_read::claim_for_plugin.
7257         * descriptors.cc (Descriptors::open): Remove reference to
7258         is_claimed.
7259         (Descriptors::claim_for_plugin): Remove.
7260         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7261         (Descriptors::is_claimed): Remove.
7262         (claim_descriptor_for_plugin): Remove.
7263         * fileread.cc (File_read::claim_for_plugin): Remove.
7264         * fileread.h (File_read::claim_for_plugin): Remove.
7265         (File_read::descriptor): Reopen descriptor if necessary.
7266         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7267         (Plugin_manager::all_symbols_read): Add task parameter. Change
7268         all callers.
7269         (Plugin_manager::get_input_file): New function.
7270         (Plugin_manager::release_input_file): New function.
7271         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7272         corresponding data member.
7273         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7274         and pass to base constructor. Change all callers.
7275         (get_input_file, release_input_file): New functions.
7276         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7277         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7278         (Plugin_manager::all_symbols_read): Add task parameter.
7279         (Plugin_manager::get_input_file): New function.
7280         (Plugin_manager::release_input_file): New function.
7281         (Plugin_manager::task_): New data member.
7282         (Pluginobj::Pluginobj): Add filesize parameter.
7283         (Pluginobj::filename): New function.
7284         (Pluginobj::descriptor): New function.
7285         (Pluginobj::filesize): New function.
7286         (Pluginobj::filesize_): New data member.
7287         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7288         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7289         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7291         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7292         with archive libraries.
7293         * testsuite/Makefile.in: Regenerate.
7294         * testsuite/plugin_test.c (struct sym_info): New type.
7295         (get_input_file, release_input_file): New static variables.
7296         (onload): Capture new transfer vector entries.
7297         (claim_file_hook): Stop reading at end of file according to filesize.
7298         Factor out parsing of readelf output into separate function.
7299         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7300         APIs and get the source file name from the symbol table.  Convert
7301         source file name to corresponding object file name.  Print info
7302         message when adding new input files.
7303         (parse_readelf_line): New function.
7304         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7305         * testsuite/plugin_test_2.sh: Likewise.
7306         * testsuite/plugin_test_3.sh: Likewise.
7307         * testsuite/plugin_test_4.sh: New test case.
7309 2009-01-07  Ian Lance Taylor  <iant@google.com>
7311         * version.cc (version_string): Bump to 1.8.
7313 2008-12-23  Cary Coutant  <ccoutant@google.com>
7315         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7316         * plugin.cc (Plugin_manager::finish): Rename as
7317         layout_deferred_objects.  Move cleanup to separate function.
7318         (Plugin_manager::cleanup): New function.
7319         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7320         separately.
7321         * plugin.h (Plugin_manager::finish): Rename as
7322         layout_deferred_objects.
7323         (Plugin_manager::cleanup): New function.
7324         (Plugin_manager::cleanup_done): New field.
7326 2008-12-23  Cary Coutant  <ccoutant@google.com>
7328         * plugin.cc (is_visible_from_outside): New function.
7329         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7330         so we don't return "IR only" status for exported symbols or -r links.
7332         * testsuite/Makefile.am (plugin_test_3): New test case.
7333         * testsuite/Makefile.in: Regenerate.
7334         * testsuite/plugin_test_3.sh: New file.
7336 2008-12-22  Cary Coutant  <ccoutant@google.com>
7338         * object.cc (Sized_relobj::layout_section): New function.
7339         (Sized_relobj::do_layout): Defer layout of input sections until after
7340         plugin has provided replacement files.
7341         (Sized_relobj::do_layout_deferred_sections): New function.
7342         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7343         (Relobj::layout_deferred_sections): New function.
7344         (Relobj::do_layout_deferred_sections): New function.
7345         (Sized_relobj::do_layout_deferred_sections): New function.
7346         (Sized_relobj::layout_section): New function.
7347         (Sized_relobj::Deferred_layout): New structure.
7348         (Sized_relobj::deferred_layout_): New field.
7349         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7350         Change all callers.  Layout deferred sections.
7351         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7352         references.
7353         (Plugin_hook::run): Move code from do_plugin_hook inline.
7354         (Plugin_hook::do_plugin_hook): Remove.
7355         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7356         (Plugin_manager::finish): Renamed, was cleanup.
7357         (Plugin_manager::should_defer_layout): New function.
7358         (Plugin_manager::add_deferred_layout_object): New function.
7359         (Plugin_manager::Deferred_layout_list): New type.
7360         (Plugin_manager::deferred_layout_objects_): New field.
7361         (Plugin_hook::do_plugin_hook): Remove.
7363 2008-12-17  Ian Lance Taylor  <iant@google.com>
7365         * options.h (class General_options): Add --no case for
7366         --export-dynamic.
7368 2008-12-16  Cary Coutant  <ccoutant@google.com>
7370         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7371         vector.
7372         (Plugin_manager::claim_file): Create plugin object even if
7373         plugin did not call the add_symbols callback.
7374         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7375         asking for more symbols than were added.
7376         * testsuite/Makefile.am (plugin_test_1): Add test case with
7377         no global symbols.
7378         (empty.syms): New target.
7379         * testsuite/Makefile.in: Regenerate.
7380         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7381         message. Don't call add_symbols if no globals.
7382         (all_symbols_read_hook): Don't provide replacement for empty
7383         claimed file.
7385 2008-12-12  Ian Lance Taylor  <iant@google.com>
7387         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7388         r_type == 0 for a local symbol with r_sym == 0.
7389         (scan_relocatable_relocs): Pass r_sym to
7390         local_non_section_strategy.
7391         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7392         r_sym parameter.
7394         * configure.ac: Update test for TLS descriptors: they are
7395         supported as of glibc 2.9.
7396         * configure: Rebuild.
7398 2008-12-11  Ian Lance Taylor  <iant@google.com>
7400         PR 7091
7401         * target-reloc.h (Default_scan_relocatable_relocs): For each
7402         function, map r_type == 0 to RELOC_DISCARD.
7404 2008-12-10  Cary Coutant  <ccoutant@google.com>
7406         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7407         object to override a kept COMDAT group from a plugin object.
7409 2008-12-09  Ian Lance Taylor  <iant@google.com>
7411         PR 7088
7412         * yyscript.y (file_cmd): Handle INPUT.
7414         * testsuite/initpri1.c: Change all declarations to be full
7415         prototypes by adding void, to avoid compiler warnings.
7417 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7419         * options.cc (General_options::parse_plugin_opt): New.
7420         (General_options::add_plugin): The argument now is just the filename.
7421         (General_options::add_plugin_option): New.
7422         * options.h (plugin_opt): New.
7423         (add_plugin): Change argument name.
7424         (add_plugin_option): New.
7425         * plugin.cc (Plugin::load): Don't parse the plugin option.
7426         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7427         (Plugin::add_option): New.
7428         (Plugin::args_): Change type.
7429         (Plugin::filename_): New.
7430         (Plugin_manager::add_plugin_option): New.
7431         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7432         * testsuite/Makefile.in: Regenerate.
7434 2008-12-05  Cary Coutant  <ccoutant@google.com>
7436         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7437         Handle --strip-lto-sections option.
7438         * options.h (strip_lto_sections): New option.
7440 2008-12-01  Cary Coutant  <ccoutant@google.com>
7442         * plugin.cc (ld_plugin_message): Change format parameter to const.
7443         Fix mismatch between new[] and delete.
7445 2008-11-14  Cary Coutant  <ccoutant@google.com>
7447         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7448         instead of -1U.
7450 2008-11-05  Craig Silverstein  <csilvers@google.com>
7452         * options.cc (General_options::parse_dynamic_list): New function.
7453         * options.h (General_options): New flags dynamic_list,
7454         dynamic_list_data, dynamic_list_cpp_new, and
7455         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7456         (General_options::in_dynamic_list): New function.
7457         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7458         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7459         (Lex::can_continue_name): Likewise.
7460         (yylex): Likewise.
7461         (read_script_file): New parameter script_options.
7462         (read_dynamic_list): New function.
7463         (Script_options::define_dynamic_list): New function.
7464         (dynamic_list_keyword_parsecodes): New variable.
7465         (dynamic_list_keywords): New variable.
7466         * script.h (Script_options::define_dynamic_list): New function
7467         prototype.
7468         (read_dynamic_list): New function prototype.
7469         * symtab.cc (strprefix): New macro.
7470         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7471         dynamic_list_data, dynamic_list_cpp_new, and
7472         dynamic_list_cpp_typeinfo.
7473         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7474         (dynamic_list_expr): New rule.
7475         (dynamic_list_nodes): Likewise.
7476         (dynamic_list_node): Likewise.
7477         * testsuite/Makefile.am (dynamic_list): New test.
7478         * testsuite/Makefile.in: Regenerated.
7479         * testsuite/dynamic_list.t: New file.
7480         * testsuite/dynamic_list.sh: New file.
7482 2008-11-05  Craig Silverstein  <csilvers@google.com>
7484         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7485         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7486         (t11_last): Likewise.
7487         * testsuite/ver_test_6.c (main): Likewise.
7489 2008-10-07  Cary Coutant  <ccoutant@google.com>
7491         * options.c (General_options::finalize): Add check for -static and
7492         -shared.
7493         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7494         is not empty.
7496 2008-10-02  Cary Coutant  <ccoutant@google.com>
7498         * plugin.cc (make_sized_plugin_object): Fix conditional
7499         compilation to work when not all targets are enabled.
7501 2008-09-29  Cary Coutant  <ccoutant@google.com>
7503         * archive.cc (Archive::get_file_and_offset): Use filename instead
7504         of name to get library path.
7505         (Archive::include_member): Unlock external member of a thin archive.
7507         * testsuite/Makefile.am (TEST_AR): New variable.
7508         (thin_archive_test_1): New test.
7509         (thin_archive_test_2): New test.
7510         * testsuite/Makefile.in: Regenerate.
7511         * testsuite/thin_archive_main.cc: New file.
7512         * testsuite/thin_archive_test_1.cc: New file.
7513         * testsuite/thin_archive_test_2.cc: New file.
7514         * testsuite/thin_archive_test_3.cc: New file.
7515         * testsuite/thin_archive_test_4.cc: New file.
7517 2008-09-29  Cary Coutant  <ccoutant@google.com>
7519         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7520         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7521         instead of -1U.
7522         (Sized_relobj::do_finalize_local_symbols): Likewise.
7523         (Sized_relobj::map_to_kept_section): Likewise.
7524         * object.h (Sized_relobj::invalid_address): New constant.
7525         (Sized_relobj::do_output_section_offset): Check for invalid_address
7526         and return -1ULL.
7527         * output.cc (Output_reloc::local_section_offset): Use constant
7528         invalid_address instead of -1U.
7529         (Output_reloc::get_address): Likewise.
7530         (Output_section::output_address): Change -1U to -1ULL.
7531         * output.h (Output_reloc::invalid_address): New constant.
7532         * reloc.cc (Sized_relobj::write_sections): Use constant
7533         invalid_address instead of -1U.
7534         (Sized_relobj::relocate_sections): Likewise.
7535         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7536         values for merge sections.
7537         * target-reloc.h (relocate_for_relocatable): Use constant
7538         invalid_address instead of -1U.
7540 2008-09-19  Cary Coutant  <ccoutant@google.com>
7542         Add plugin functionality for link-time optimization (LTO).
7543         * configure.ac (plugins): Add --enable-plugins option.
7544         * configure: Regenerate.
7545         * config.in: Regenerate.
7546         * Makefile.am (LIBDL): New variable.
7547         (CCFILES): Add plugin.cc.
7548         (HFILES): Add plugin.h.
7549         (ldadd_var): Add LIBDL.
7550         * Makefile.in: Regenerate.
7552         * archive.cc: Include "plugin.h".
7553         (Archive::setup): Don't preread archive symbols when using a plugin.
7554         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7555         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7556         files.
7557         (Archive::include_member): Add symbols from plugin objects.
7558         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7559         * descriptors.cc (Descriptors::open): Check for file descriptors
7560         abandoned by plugins.
7561         (Descriptors::claim_for_plugin): New function.
7562         * descriptors.h (Descriptors::claim_for_plugin): New function.
7563         (Open_descriptor::is_claimed): New field.
7564         (claim_descriptor_for_plugin): New function.
7565         * fileread.cc (File_read::claim_for_plugin): New function.
7566         * fileread.h (File_read::claim_for_plugin): New function.
7567         (File_read::descriptor): New function.
7568         * gold.cc: Include "plugin.h".
7569         (queue_initial_tasks): Add task to call plugin hooks for generating
7570         new object files.
7571         * main.cc: Include "plugin.h".
7572         (main): Load plugin libraries.
7573         * object.h (Pluginobj): Declare.
7574         (Object::pluginobj): New function.
7575         (Object::do_pluginobj): New function.
7576         (Object::set_target): New function.
7577         * options.cc: Include "plugin.h".
7578         (General_options::parse_plugin): New function.
7579         (General_options::General_options): Initialize plugins_ field.
7580         (General_options::add_plugin): New function.
7581         * options.h (Plugin_manager): Declare.
7582         (General_options): Add --plugin option.
7583         (General_options::has_plugins): New function.
7584         (General_options::plugins): New function.
7585         (General_options::add_plugin): New function.
7586         (General_options::plugins_): New field.
7587         * plugin.cc: New file.
7588         * plugin.h: New file.
7589         * readsyms.cc: Include "plugin.h".
7590         (Read_symbols::do_read_symbols): Check for archive before checking
7591         for ELF file.  Call plugin hooks to claim files.
7592         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7593         from a real object file; force override when processing replacement
7594         files.
7595         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7596         (Symbol::init_base_object): Likewise.
7597         (Symbol::init_base_output_data): Likewise.
7598         (Symbol::init_base_output_segment): Likewise.
7599         (Symbol::init_base_constant): Likewise.
7600         (Symbol::init_base_undefined): Likewise.
7601         (Symbol::output_section): Assert that object is not a plugin.
7602         (Symbol_table::add_from_pluginobj): New function.
7603         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7604         undefined.
7605         (Symbol_table::sized_write_globals): Likewise.
7606         (Symbol_table::add_from_pluginobj): Instantiate template.
7607         * symtab.h (Sized_pluginobj): Declare.
7608         (Symbol::in_real_elf): New function.
7609         (Symbol::set_in_real_elf): New function.
7610         (Symbol::in_real_elf_): New field.
7611         (Symbol_table::add_from_pluginobj): New function.
7613         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7614         (LIBDL): New variable.
7615         (LDADD): Add LIBDL.
7616         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7617         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7618         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7619         (MOSTLYCLEANFILES): Likewise.
7620         * testsuite/Makefile.in: Regenerate.
7621         * testsuite/plugin_test.c: New file.
7622         * testsuite/plugin_test_1.sh: New file.
7623         * testsuite/plugin_test_2.sh: New file.
7625 2008-09-16  Ian Lance Taylor  <iant@google.com>
7627         * target-reloc.h (relocate_section): Check whether a symbol is
7628         defined by the ABI before reporting an undefined symbol error.
7629         * target.h (Target::is_defined_by_abi): Make parameter const.
7630         (Target::do_is_defined_by_abi): Likewise.
7631         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7632         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7633         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7634         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7635         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7636         * testsuite/Makefile.in: Rebuild.
7638         * fileread.cc (make_view): Add casts to avoid warning.
7640 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7642         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7643         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7645 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7647         * options.h (General_options::output_is_executable): New.
7648         (General_options::output_is_pie): New.
7649         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7650         for shared libraries.
7651         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7653 2008-09-11  Chris Demetriou  <cgd@google.com>
7655         * options.h (origin): New -z option.
7656         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7657         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7658         in DT_FLAGS_1.
7660 2008-09-05  Cary Coutant  <ccoutant@google.com>
7662         * fileread.cc (File_read::make_view): Add check for attempt to map
7663         beyond end of file.
7665 2008-09-05  Cary Coutant  <ccoutant@google.com>
7667         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7668         explicit instantiations.
7670 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7672         PR gold/6858
7673         * options.cc (General_options::finalize): Allow undefined symbols
7674         in shlibs if linking -shared.
7676         PR gold/6859
7677         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7678         symbols as not needing a dynsym entry.
7680 2008-08-20  Craig Silverstein  <csilvers@google.com>
7682         * fileread.cc (File_read::open): Do not lock the file unless it
7683         was successfully opened.
7685 2008-08-14  Cary Coutant  <ccoutant@google.com>
7687         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7688         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7689         * testsuite/tls_test.cc (struct int128): 128-bit struct
7690         for testing TLS relocs with non-zero addend.
7691         (v12): New TLS variable.
7692         (t12): New test.
7693         (t_last): Add check for v12.
7694         * testsuite/tls_test.h (t12): New function.
7695         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7697 2008-08-13  Ian Lance Taylor  <iant@google.com>
7699         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7700         set tls_segment_ or relro_segment_.
7701         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7702         when appropriate.
7703         * output.h (Output_section::clear_is_relro): New function.
7704         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7705         sections specially even when output_data_ is empty.
7706         (Output_segment::maximum_alignment): When first section is relro,
7707         only force alignment for PT_LOAD segments.
7708         * script.cc (script_data_segment_align): New function.
7709         (script_data_segment_relro_end): New function.
7710         * script-c.h (script_data_segment_align): Declare.
7711         (script_data_segment_relro_end): Declare.
7712         * script-sections.h (class Script_sections): Declare
7713         data_segment_align and data_segment_relro_end.  Add fields
7714         segment_align_index_ and saw_relro_end_.
7715         * script-sections.cc (class Sections_element): Add set_is_relro
7716         virtual function.  Add new bool* parameter to place_orphan_here.
7717         Add get_output_section virtual function.
7718         (class Output_section_definition): Add set_is_relro.  Add new
7719         bool* parameter to place_orphan_here.  Add get_output_section.
7720         Add is_relro_ field.
7721         (Output_section_definition::Output_section_definition): Initialize
7722         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7723         and is_relro_ fields.
7724         (Output_section_definition::place_orphan_here): Add is_relro
7725         parameter.
7726         (Output_section_definition::set_section_addresses): Set relro for
7727         output section.
7728         (Output_section_definition::alternate_constraint): Likewise.
7729         (class Orphan_output_section): Add new bool* parameter to
7730         place_orphan_here.  Add get_output_section.
7731         (Orphan_output_section::place_orphan_here): Add is_relro
7732         parameter.
7733         (Script_sections::Script_sections): Initialize
7734         data_segment_align_index_ and saw_relro_end_.
7735         (Script_sections::data_segment_align): New function.
7736         (Script_sections::data_segment_relro_end): New function.
7737         (Script_sections::place_orphan): Set or clear is_relro.
7738         (Script_sections::set_section_addresses): Force alignment of first
7739         TLS section.
7740         * yyscript.y (exp): Call script_data_segment_align and
7741         script_data_segment_relro_end.
7742         * testsuite/relro_script_test.t: New file.
7743         * testsuite/relro_test.cc (using_script): Declare.
7744         (t1, t2): Test using_script.
7745         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7746         (relro_script_test_SOURCES): Define.
7747         (relro_script_test_DEPENDENCIES): Define.
7748         (relro_script_test_LDFLAGS): Define.
7749         (relro_script_test_LDADD): Define.
7750         (relro_script_test.so): New target.
7751         * testsuite/Makefile.in: Rebuild.
7753 2008-08-06  Cary Coutant <ccoutant@google.com>
7755         * archive.cc (Archive::total_archives, Archive::total_members)
7756         (Archive::total_members_loaded): New variables.
7757         (Archive::setup): Add parameter.  Add option to preread
7758         archive symbols.
7759         (Archive::read_armap): Add counter.
7760         (Archive::get_file_and_offset): New function.
7761         (Archive::get_elf_object_for_member): New function.
7762         (Archive::read_all_symbols): New function.
7763         (Archive::read_symbols): New function.
7764         (Archive::add_symbols): Add counters.
7765         (Archive::include_all_members): Use armap to find members if it's
7766         already built.
7767         (Archive::include_member): Skip reading symbols if already read.
7768         Factored code into Archive::get_file_and_offset and
7769         Archive::get_elf_object_for_member.  Changed call to
7770         Mapfile::report_include_archive_member.
7771         (Archive::print_stats): New function.
7772         * archive.h: Declare Object and Read_symbols_data classes.
7773         (Archive::Archive): Add initializers for new members.
7774         (Archive::setup): Add parameter.
7775         (Archive::print_stats): New function.
7776         (Archive::total_archives, Archive::total_members)
7777         (Archive::total_members_loaded): New variables.
7778         (Archive::get_file_and_offset): New function.
7779         (Archive::get_elf_object_for_member): New function.
7780         (Archive::read_all_symbols): New function.
7781         (Archive::read_symbols): New function.
7782         (Archive::Archive_member): New class.
7783         (Archive::members_): New member.
7784         (Archive::num_members_): New member.
7785         * main.cc: Include archive.h.
7786         (main): Call Archive::print_stats.
7787         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7788         archive parameter; member_name is now the fully-decorated name.
7789         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7790         * options.h: (General_options): Add --preread-archive-symbols option.
7791         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7792         Archive::setup.
7794 2008-08-04  Ian Lance Taylor  <iant@google.com>
7796         * symtab.h (Symbol::use_plt_offset): New function.
7797         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7798         * powerpc.cc (Relocate::relocate): Likewise.
7799         * sparc.cc (Relocate::relocate): Likewise.
7800         * x86_64.cc (Relocate::relocate): Likewise.
7801         * testsuite/weak_plt.sh: New test.
7802         * testsuite/weak_plt_main.cc: New test.
7803         * testsuite/weak_plt_shared.cc: New test.
7804         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7805         (check_PROGRAMS): Add weak_plt.
7806         (check_DATA): Add weak_plt_shared.so.
7807         (weak_plt_main_pic.o, weak_plt): New targets.
7808         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7809         * testsuite/Makefile.in: Rebuild.
7811         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7812         gcctestdir/ld.
7813         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7814         * testsuite/Makefile.in: Rebuild.
7816 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7818         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7819         * Makefile.in: Regenerate.
7820         * po/POTFILES.in: Regenerate.
7822 2008-07-29  Ian Lance Taylor  <iant@google.com>
7824         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7825         symbols before other symbols.
7826         * testsuite/script_test_2.cc (test_addr): Declare.
7827         (test_addr_alias): Declare.
7828         (main): Check that test_addr and test_addr_alias have the right
7829         values.
7830         * testsuite/script_test_2.t: Define test_addr_alias and
7831         test_addr.
7833 2008-07-24  Ian Lance Taylor  <iant@google.com>
7835         PR 5990
7836         * descriptors.cc: New file.
7837         * descriptors.h: New file.
7838         * gold-threads.h (class Hold_optional_lock): New class.
7839         * fileread.cc: Include "descriptors.h".
7840         (File_read::~File_read): Release descriptor rather than closing
7841         it.
7842         (File_read::open) [file]: Call open_descriptor rather than open.
7843         Set is_descriptor_opened_.
7844         (File_read::open) [memory]: Assert that descriptor is not open.
7845         (File_read::reopen_descriptor): New function.
7846         (File_read::release): Release descriptor.
7847         (File_read::do_read): Make non-const.  Reopen descriptor.
7848         (File_read::read): Make non-const.
7849         (File_read::make_view): Reopen descriptor.
7850         (File_read::do_readv): Likewise.
7851         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7852         Update declarations.
7853         * layout.cc: Include "descriptors.h".
7854         (Layout::create_build_id): Use open_descriptor rather than open.
7855         * output.cc: Include "descriptors.h".
7856         (Output_file::open): Use open_descriptor rather than open.
7857         * archive.cc (Archive::const_iterator): Change Archive to be
7858         non-const.
7859         (Archive::begin, Archive::end): Make non-const.
7860         (Archive::count_members): Likewise.
7861         * archive.h (class Archive): Update declarations.
7862         * object.h (Object::read): Make non-const.
7863         * Makefile.am (CCFILES): Add descriptors.cc.
7864         (HFILES): Add descriptors.h.
7865         * Makefile.in: Rebuild.
7867         PR 6716
7868         * gold.h: Always include <clocale>.  Add Solaris workarounds
7869         following code in binutils/sysdep.h.
7871         PR 6048
7872         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7873         this->eh_frame_hdr_ is NULL before using it.
7875         * dynobj.cc (Versions::Versions): Update comment.
7877         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7878         the base version name.
7880         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7881         array size plus one.
7882         (Stringpool_template::set_string_offsets): Subtract one from key
7883         before using it as an array index.
7884         (Stringpool_template::get_offset_with_length): Likewise.
7885         (Stringpool_template::write_to_buffer): Likewise.
7886         * stringpool.h (Stringpool_template::get_offset_from_key):
7887         Likewise.
7889 2008-07-23  Ian Lance Taylor  <iant@google.com>
7891         PR 6658
7892         * object.h (Merged_symbol_value::value): Do our best to handle a
7893         negative addend.
7895         PR 6647
7896         * script.cc (Version_script_info::get_versions): Don't add empty
7897         version tag to return value.
7898         (Version_script_info::get_symbol_version_helper): Change return
7899         type to bool.  Add pversion parameter.  Change all callers.
7900         (script_register_vers_node): Don't require a non-NULL tag.
7901         * script.h (class Version_script_info): Update declarations.
7902         (Version_script_info::get_symbol_version): Change return type to
7903         bool.  Add version parameter.  Change all callers.
7904         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7905         handling.  Handle an empty version from a version script.
7906         (Symbol_table::define_special_symbol): Likewise.
7907         * testsuite/ver_test_10.script: New file.
7908         * testsuite/ver_test_10.sh: New file.
7909         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7910         (check_DATA): Add ver_test_10.syms.
7911         (ver_test_10.syms, ver_test_10.so): New target.
7912         * testsuite/Makefile.in: Rebuild.
7914 2008-07-23  Simon Baldwin  <simonb@google.com>
7916         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7917         to zero for undefined symbols from dynamic libraries.
7919 2008-07-23  Ian Lance Taylor  <iant@google.com>
7921         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7922         Change all callers.
7923         * symtab.h (class Symbol_table): Update declaration.
7924         * testsuite/ver_test_9.cc: New file.
7925         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7926         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7927         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7928         (ver_test_9.so, ver_test_9.o): New targets.
7929         * testsuite/Makefile.in: Rebuild.
7931 2008-07-22  Ian Lance Taylor  <iant@google.com>
7933         * options.h (class General_options): Define --check-sections.
7934         * layout.cc (Layout::set_segment_offsets): Handle
7935         --check-sections.
7937         * options.h (class General_options): Define -n/--nmagic and
7938         -N/--omagic.
7939         * options.cc (General_options::finalize): For -n/--nmagic or
7940         -N/--omagic, set -static.
7941         * layout.cc (Layout::attach_allocated_section_to_segment): If
7942         -N/--omagic, don't put read-only and read-write sections in
7943         different segments.
7944         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7945         finding a read-only segment.
7946         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7947         don't set the minimum segment alignment to the common page size,
7948         and don't set the file offset to the address modulo the page size.
7949         * script-sections.cc (Script_sections::create_segments): If
7950         -n/--omagic, don't put read-only and read-write sections in
7951         different segments.
7953         * cref.cc: New file.
7954         * cref.h: New file.
7955         * options.h (class General_options): Add --print-symbol-counts.
7956         * main.cc (main): Issue defined symbol report if requested.
7957         * archive.cc (Archive::interpret_header): Make into a const member
7958         function.
7959         (Archive::add_symbols): Call Input_objects::archive_start and
7960         archive_stop.
7961         (Archive::const_iterator): Define new class.
7962         (Archive::begin, Archive::end): New functions.
7963         (Archive::include_all_members): Rewrite to use iterator.
7964         (Archive::count_members): New function.
7965         * archive.h (class Archive): Update declarations.
7966         (Archive::filename): New function.
7967         * object.cc: Include "cref.h".
7968         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7969         (Sized_relobj::do_get_global_symbol_counts): New function.
7970         (Input_objects::add_object): Add object to cross-referencer.
7971         (Input_objects::archive_start): New function.
7972         (Input_objects::archive_stop): New function.
7973         (Input_objects::print_symbol_counts): New function.
7974         * object.h: Declare Cref and Archive.
7975         (Object::get_global_symbol_counts): New function.
7976         (Object::do_get_global_symbol_counts): New pure virtual function.
7977         (class Sized_relobj): Add defined_count_ field.  Update
7978         declarations.
7979         (class Input_objects): Add cref_ field.  Update constructor.
7980         Update declarations.
7981         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7982         defined_count_.
7983         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7984         symbol counts.
7985         (Sized_dynobj::do_get_global_symbol_counts): New function.
7986         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7987         defined_count_.  Update declarations.  Define Symbols typedef.
7988         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7989         parameter.  Change all callers.
7990         (Symbol_table::add_from_dynobj): Add sympointers and defined
7991         parameters.  Change all callers.
7992         * symtab.h (class Symbol_table): Update declarations.
7993         * Makefile.am (CCFILES): Add cref.cc.
7994         (HFILES): Add cref.h.
7995         * Makefile.in: Rebuild.
7997 2008-07-22  Simon Baldwin  <simonb@google.com>
7999         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8000         to zero when writing undefined symbols.
8002 2008-07-22  Ian Lance Taylor  <iant@google.com>
8004         * output.cc (Output_section::add_input_section): Don't try to
8005         merge empty merge sections.
8007 2008-07-21  Craig Silverstein  <csilvers@google.com>
8009         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8010         Include symbol version in error message.
8012 2008-07-20  Chris Demetriou  <cgd@google.com>
8014         * configure.ac (gold_cv_c_random_seed): New configured variable.
8015         (RANDOM_SEED_CFLAGS): New substituted variable.
8016         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8017         * configure: Rebuild.
8018         * Makefile.in: Likewise.
8019         * testsuite/Makefile.in: Likewise.
8021 2008-07-18  Ian Lance Taylor  <iant@google.com>
8023         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8024         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8025         * testsuite/ver_test_main.cc (main): Call t4.
8026         (t4, t4_2a): Define.
8027         * testsuite/ver_test_2.cc (t4_2): Define.
8028         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8029         * testsuite/ver_test_4.cc (t4_2a): Define.
8030         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8031         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8033 2008-07-17  Ian Lance Taylor  <iant@google.com>
8035         * dynobj.cc (Versions::add_def): If we give an error about a
8036         missing version, go ahead and create the version anyhow.
8038 2008-07-10  Ian Lance Taylor  <iant@google.com>
8040         Handle output sections with more than 0x7fffffff bytes.
8041         * object.h (class Relobj): Change map_to_output_ to
8042         output_sections_, and just keep a section pointer.  Change all
8043         uses.  Move comdat group support to Sized_relobj.
8044         (Relobj::is_section_specially_mapped): Remove.
8045         (Relobj::output_section): Remove poff parameter.  Change all
8046         callers.
8047         (Relobj::output_section_offset): New function.
8048         (Relobj::set_section_offset): Rewrite.
8049         (Relobj::map_to_output): Remove.
8050         (Relobj::output_sections): New function.
8051         (Relobj::do_output_section_offset): New pure virtual function.
8052         (Relobj::do_set_section_offset): Likewise.
8053         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8054         group support from Relobj.  Update declarations.
8055         (Sized_relobj::get_output_section_offset): New function.
8056         (Sized_relobj::do_output_section_offset): New function.
8057         (Sized_relobj::do_set_section_offset): New function.
8058         * object.cc (Relobj::output_section_address): Remove.
8059         (Sized_relobj::Sized_relobj): Initialize new fields.
8060         (Sized_relobj::include_section_group): Cast find_kept_object to
8061         Sized_relobj.
8062         (Sized_relobj::include_linkonce_section): Likewise.
8063         (Sized_relobj::do_layout): Use separate arrays for output section
8064         and output offset.
8065         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8066         output_sections.
8067         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8068         output_sections and section_offsets.
8069         (Sized_relobj::write_local_symbols): Likewise.
8070         (map_to_kept_section): Compute output address directly.
8071         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8072         output_sections and section_offsets.
8073         (Sized_relobj::write_sections): Likewise.
8074         (Sized_relobj::relocate_sections): Likewise.
8075         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8076         * output.h (class Output_reloc): Update declarations.  Change
8077         u2_.relobj to Sized_relobj*.
8078         (class Output_data_reloc): Change add functions to use
8079         Sized_relobj*.
8080         * output.cc (Output_reloc::Output_reloc): Change relobj to
8081         Sized_relobj*.
8082         (Output_reloc::local_section_offset): Change return type to
8083         Elf_Addr.  Use get_output_section_offset.
8084         (Output_reloc::get_address): Likewise.
8085         (Output_section::is_input_address_mapped): Don't call
8086         is_section_specially_mapped.
8087         (Output_section::output_offset): Likewise.
8088         (Output_section::output_address): Likewise.
8089         (Output_section::starting_output_address): Likewise.
8090         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8091         parameter to Sized_relobj*.
8092         (Copy_relocs::need_copy_reloc): Likewise.
8093         (Copy_relocs::save): Likewise.
8094         * copy-relocs.h (class Copy_relocs): Update declarations.
8095         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8096         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8097         * target-reloc.h (relocate_for_relocatable): Change
8098         offset_in_output_section type to Elf_Addr.  Change code that uses
8099         it as well.
8100         * layout.cc (Layout::layout): Always set *off.
8101         * mapfile.cc (Mapfile::print_input_section): Use
8102         output_section_offset.
8103         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8104         Sized_relobj*.
8105         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8106         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8107         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8109 2008-07-03  Ian Lance Taylor  <iant@google.com>
8111         * layout.cc (Layout::include_section): Do not discard unrecognized
8112         SHT_STRTAB sections.
8114 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8116         * script.cc (Lex::can_continue_name): Make '?' allowable in
8117         version-script names.
8118         * testsuite/version_script.map: Change glob pattern to use '?'
8120 2008-06-30  Manish Singh  <yosh@gimp.org>
8122         PR 6585
8123         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8124         Correct typo.
8126 2008-06-30  Ian Lance Taylor  <iant@google.com>
8128         PR 6660
8129         PR 6682
8130         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8131         versions]: Don't try to read the value in the contents, since we
8132         don't use it.  Use the template endianness when writing.
8134 2008-06-25  Cary Coutant  <ccoutant@google.com>
8136         * fileread.cc (File_read::make_view): Assert on zero-length view.
8137         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8138         symbol table when there are no symbols to read.
8140 2008-06-23  Craig Silverstein  <csilvers@google.com>
8142         * version.cc (version_string): Bump to 1.7
8144 2008-06-18  Craig Silverstein  <csilvers@google.com>
8146         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8147         constant 0xFFFF to type Valtype.
8148         (Powerpc_relocate_functions::rel16_ha): Likewise.
8150 2008-06-17  Ian Lance Taylor  <iant@google.com>
8152         * output.h (Output_section::Input_section): Initialize p2align_ to
8153         zero for Output_section_data constructors.
8154         (Output_section::Input_section::addralign): If not an input
8155         section, return the alignment of the Output_section_data.
8156         * testsuite/copy_test.cc: New file.
8157         * testsuite/copy_test_1.cc: New file.
8158         * testsuite/copy_test_2.cc: New file.
8159         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8160         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8161         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8162         (copy_test_1_pic.o, copy_test_1.so): New targets.
8163         (copy_test_2_pic.o, copy_test_2.so): New targets.
8164         * testsuite/Makefile.in: Rebuild.
8166         * script-sections.cc (Script_sections::place_orphan): Initialize
8167         local variable exact.
8169 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8171         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8173 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8174             David S. Miller  <davem@davemloft.net>
8176         * powerpc.cc: New file.
8177         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8178         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8179         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8180         * Makefile.in: Rebuild.
8182 2008-06-09  Ian Lance Taylor  <iant@google.com>
8184         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8185         <exception>.
8186         (throwing, orig_terminate): New static variables.
8187         (terminate_handler): New static function.
8188         (t2): Set terminate handler.
8190 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8192         PR 6584
8193         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8194         alignment.
8196 2008-05-30  Cary Coutant  <ccoutant@google.com>
8198         * archive.cc (Archive::include_all_members) Correct to step
8199         over symbol table and extended name table in thin archives.
8201 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8203         PR 6407
8204         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8205         calculation.
8207 2008-05-28  Caleb Howe  <cshowe@google.com>
8209         * reduced_debug_output.cc: New file.
8210         * reduced_debug_output.h: New file.
8211         * options.h (class General_options): Add --strip-debug-non-line.
8212         * options.cc (General_options::finalize): Add strip_debug_non_line
8213         to the strip heirarchy.
8214         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8215         fields.
8216         * layout.cc: Include "reduced_debug_output.h".
8217         (Layout::Layout): Initialize new fields.
8218         (line_only_debug_sections): New static array.
8219         (is_lines_only_debug_sections): New static inline function.
8220         (Layout::include_section): Handle --strip-debug-non-line.
8221         (Layout::make_output_section): If --strip-debug-non-line, build
8222         new output sections for .debug_abbrev and .debug_info.
8223         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8224         gold.  Warn about possible overflow.
8225         (read_signed_LEB_128): Likewise.
8226         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8227         (read_signed_LEB_128): Declare.
8228         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8229         (HFILES): Add reduced_debug_output.h.
8230         * Makefile.in: Rebuild.
8232 2008-05-21  Ian Lance Taylor  <iant@google.com>
8234         * mapfile.cc: New file.
8235         * mapfile.h: New file.
8236         * options.h (class General_options): Add -M/--print-map and -Map.
8237         * options.cc (General_options::finalize): Make -M equivalent to
8238         -Map -.
8239         * main.cc: Include <cstdio> and "mapfile.h".
8240         (main): Open mapfile if requested.
8241         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8242         constructor.  Change caller.
8243         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8244         (queue_middle_tasks): Likewise.
8245         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8246         declarations.
8247         * archive.cc: Include "mapfile.h".
8248         (Archive::add_symbols): Add mapfile parameter.  Change all
8249         callers.  Pass mapfile, symbol, and reason to include_member.
8250         (Archive::include_all_members): Add mapfile parameter.  Change all
8251         callers.
8252         (Archive::include_member): Add mapfile, sym, and why parameters.
8253         Change all callers.  Report inclusion to map file.
8254         * archive.h: Include "fileread.h".
8255         (class Archive): Update declarations.
8256         (Archive::file): New const method.
8257         (class Add_archive_symbols): Add mapfile_ field.  Update
8258         constructor.  Change all callers.
8259         * readsyms.h (class Read_symbols): Likewise.
8260         (class Finish_group): Likewise.
8261         (class Read_script): Likewise.
8262         * common.cc: Include "mapfile.h".
8263         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8264         all callers.
8265         (Symbol_table::do_allocate_commons): Likewise.
8266         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8267         symbol allocation to mapfile.
8268         * common.h (class Allocate_commons_task): Add mapfile_ field.
8269         Update constructor.  Change all callers.
8270         * symtab.h (class Symbol_table): Update declarations.
8271         * layout.cc: Include "mapfile.h".
8272         (Layout_task_runner::run): Print information to mapfile.
8273         (Layout::create_gold_note): Change Output_data_fixed_space to
8274         Output_data_zero_fill.
8275         (Layout::create_build_id): Likewise.
8276         (Layout::print_to_mapfile): New function.
8277         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8278         constructor.  Change caller.
8279         (class Layout): Declare print_to_mapfile.
8280         * output.cc (Output_section::Input_section::print_to_mapfile): New
8281         function.
8282         (Output_section::add_input_section): If producing a map, always
8283         add to input_sections_ list.
8284         (Output_section::do_print_to_mapfile): New function.
8285         (Output_segment::print_sections_to_mapfile): New function.
8286         (Output_segment::print_section_list_to_mapfile): New function.
8287         * output.h: Include "mapfile.h".
8288         (Output_data::print_to_mapfile): New function.
8289         (Output_data::do_print_to_mapfile): New virtual function.
8290         (Output_segment_headers::do_print_to_mapfile): New function.
8291         (Output_file_header::do_print_to_mapfile): New function.
8292         (Output_data_const::do_print_to_mapfile): New function.
8293         (class Output_data_const_buffer): Add map_name_ field.  Update
8294         constructor.  Change all callers.  Add do_print_to_mapfile
8295         function.
8296         (class Output_data_fixed_space): Likewise.
8297         (class Output_data_space): Likewise.
8298         (class Output_data_zero_fill): New class.
8299         (Output_data_strtab::do_print_to_mapfile): New function.
8300         (Output_data_reloc_base::do_print_to_mapfile): New function.
8301         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8302         (Output_data_group::do_print_to_mapfile): New function.
8303         (Output_data_got::do_print_to_mapfile): New function.
8304         (Output_data_dynamic::do_print_to_mapfile): New function.
8305         (Output_symtab_xindex::do_print_to_mapfile): New function.
8306         (class Output_section): Declare do_print_to_mapflie.  Declare
8307         print_to_mapfile in Input_section.
8308         (class Output_segment): Declare new functions.
8309         * object.h (Sized_relobj::symbol_count): New function.
8310         * script-sections.cc
8311         (Output_section_element_dot_assignment::set_section_addresses):
8312         Change Output_data_fixed_space to Output_data_zero_fill.
8313         (Output_data_expression::do_print_to_mapfile): New function.
8314         * script.cc (read_input_script): Add mapfile parameter.  Change
8315         all callers.
8316         * script.h (read_input_script): Update declaration.
8317         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8318         (Eh_frame::do_print_to_mapfile): New function.
8319         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8320         (Output_merge_string::do_print_to_mapfile): New function.
8321         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8322         function.
8323         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8324         function.
8325         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8326         function.
8327         * Makefile.am (CCFILES): Add mapfile.cc.
8328         (HFILES): Add mapfile.h.
8329         * Makefile.in: Rebuild.
8331 2008-05-19  Ian Lance Taylor  <iant@google.com>
8333         * options.h (class General_options): Add -z relro.
8334         * layout.cc (Layout::Layout): Initialize relro_segment_.
8335         (Layout::add_output_section_data): Return the output section.
8336         (Layout::make_output_section): Rcognize relro sections and mark
8337         them appropriately.
8338         (Layout::attach_allocated_section_to_segment): Put relro sections
8339         in a PT_GNU_RELRO segment.
8340         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8341         section as relro.
8342         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8343         PT_TLS segments.
8344         (Layout::linkonce_mapping): Map d.rel.ro.local to
8345         .data.rel.ro.local.
8346         (Layout::output_section_name): Us .data.rel.ro.local for any
8347         section which begins with that.
8348         * layout.h (class Layout): Update add_output_section_data
8349         declaration.  Add relro_segment_ field.
8350         * output.cc (Output_section::Output_section): Initialize is_relro_
8351         and is_relro_local_ fields.
8352         (Output_segment::add_output_section): Group relro sections.
8353         (Output_segment::is_first_section_relro): New function.
8354         (Output_segment::maximum_alignment): If there is a relro section,
8355         align the segment to the common page size.
8356         (Output_segment::set_section_addresses): Track whether we are
8357         looking at relro sections.  If the last section is a relro
8358         section, align to the common page size.
8359         (Output_segment::set_section_list_addresses): Add in_relro
8360         parameter.  Change all callers.  Align to the page size when
8361         moving from relro to non-relro section.
8362         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8363         segment.
8364         * output.h (class Output_section): Add is_relro_ and
8365         is_relro_local_ fields.
8366         (Output_section::is_relro): New function.
8367         (Output_section::set_is_relro): New function.
8368         (Output_section::is_relro_local): New function.
8369         (Output_section::set_is_relro_local): New function.
8370         (class Output_segment): Update declarations.
8371         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8372         * sparc.cc (Target_sparc::got_section): Likewise.
8373         * x86_64.cc (Target_x86_64::got_section): Likewise.
8374         * testsuite/relro_test_main.cc: New file.
8375         * testsuite/relro_test.cc: New file.
8376         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8377         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8378         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8379         (relro_test.so, relro_test_pic.o): New targets.
8380         * testsuite/Makefile.in: Rebuild.
8382 2008-05-16  Ian Lance Taylor  <iant@google.com>
8384         * output.cc (Output_segment::add_output_section): Remove front
8385         parameter.
8386         * output.h (class Output_segment): Remove
8387         add_initial_output_section and overloaded add_output_section.
8388         Update declaration of remaining add_output_section.
8389         * layout.cc (Layout::create_interp): Call add_output_section
8390         rather than add_initial_output_section.
8391         (Layout::finish_dynamic_section): Likewise.
8393         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8394         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8395         know the dynamic type.
8396         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8397         field.  Initialize it in constructor.
8398         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8399         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8400         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8401         reloc.
8403         * output.cc (Output_reloc::get_address): Change return type to
8404         Elf_Addr.
8405         * output.h (class Output_reloc): Update get_address declaration.
8406         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8407         for section addresses.
8409 2008-05-09  Ian Lance Taylor  <iant@google.com>
8411         PR 6493
8412         * gold.cc (gold_nomem): Use return value of write.
8414 2008-05-08  Ian Lance Taylor  <iant@google.com>
8416         * symtab.c (Symbol::init_base_output_data): Add version
8417         parameter.  Change all callers.
8418         (Symbol::init_base_output_segment): Likewise.
8419         (Symbol::init_base_constant): Likewise.
8420         (Symbol::init_base_undefined): Likewise.
8421         (Sized_symbol::init_output_data): Likewise.
8422         (Sized_symbol::init_output_segment): Likewise.
8423         (Sized_symbol::init_constant): Likewise.
8424         (Sized_symbol::init_undefined): Likewise.
8425         (Symbol_table::do_define_in_output_data): If the new symbol has a
8426         version, mark it as the default.
8427         (Symbol_table::do_define_in_output_segment): Likewise.
8428         (Symbol_table::do_define_as_constant): Likewise.
8429         * symtab.h (class Symbol): Update declarations.
8430         (class Sized_symbol): Likewise.
8431         * resolve.cc (Symbol::override_version): New function.
8432         (Symbol::override_base): Call override_version.
8433         (Symbol::override_base_with_special): Likewise.
8434         * testsuite/ver_script_8.script: New file.
8435         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8436         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8437         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8438         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8440 2008-05-06  Ian Lance Taylor  <iant@google.com>
8442         PR 6049
8443         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8444         functions.
8445         (class General_options): Remove existing --undefined, and add
8446         --no-undefined instead.  Add new --undefined as synonym for -u.
8447         * archive.cc (Archive::add_symbols): Check whether symbol was
8448         named with -u.
8449         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8450         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8451         all uses.  Add IS_UNDEFINED.  Update declarations to split
8452         different versions of init_base.  Declare init_base_undefined.
8453         (Symbol::is_defined): Handle IS_UNDEFINED.
8454         (Symbol::is_undefined): Likewise.
8455         (Symbol::is_weak_undefined): Call is_undefined.
8456         (Symbol::is_absolute): Handle IS_CONSTANT.
8457         (class Sized_symbol): Update declarations to split different
8458         versions of init.  Declare init_undefined.
8459         (class Symbol_table): Declare new functions.
8460         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8461         Change all callers.
8462         (Symbol::init_base_output_data): Likewise.
8463         (Symbol::init_base_output_segment): Likewise.
8464         (Symbol::init_base_constant): Likewise.
8465         (Symbol::init_base_undefined): New function.
8466         (Sized_symbol::init_object): Rename from init.  Change all
8467         callers.
8468         (Sized_symbol::init_output_data): Likewise.
8469         (Sized_symbol::init_output_segment): Likewise.
8470         (Sized_symbol::init_constant): Likewise.
8471         (Sized_symbol::init_undefined): New function.
8472         (Symbol_table::add_undefined_symbols_from_command_line): New
8473         function.
8474         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8475         function.
8476         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8477         (Symbol::output_section): Likewise.
8478         (Symbol::set_output_section): Likewise.
8479         (Symbol_table::sized_finalize_symbol): Likewise.
8480         (Symbol_table::sized_write_globals): Likewise.
8481         * resolve.cc (Symbol_table::should_override): Likewise.
8482         (Symbol::override_base_with_special): Likewise.
8484         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8485         symbol, change it to have default visibility.
8486         * testsuite/protected_1.cc: New file.
8487         * testsuite/protected_2.cc: New file.
8488         * testsuite/protected_3.cc: New file.
8489         * testsuite/protected_main_1.cc: New file.
8490         * testsuite/protected_main_2.cc: New file.
8491         * testsuite/protected_main_3.cc: New file.
8492         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8493         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8494         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8495         (protected_1.so): New target.
8496         (protected_1_pic.o, protected_2_pic.o): New targets.
8497         (protected_3_pic.o): New target.
8498         (check_PROGRAMS): Add protected_2.
8499         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8500         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8501         * testsuite/Makefile.in: Rebuild.
8503         * options.h (DEFINE_var): Add set_user_set_##varname__.
8504         (DEFINE_bool_alias): New macro.
8505         (class General_options): Define -Bstatic using DEFINE_bool_alias
8506         rather than DEFINE_special.  Add --undefined as an alias for -z
8507         defs.
8508         * options.cc (General_options::parse_Bstatic): Remove.
8510         * options.h (class General_options): Add --fatal-warnings.
8511         * main.cc (main): Implement --fatal-warnings.
8512         * errors.h (Errors::warning_count): New function.
8514         * options.h (class General_options): Add -Bsymbolic-functions.
8515         * symtab.h (Symbol::is_preemptible): Check for
8516         -Bsymbolic-functions.
8518 2008-05-05  Ian Lance Taylor  <iant@google.com>
8520         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8521         as noVARNAME rather than no-VARNAME.
8522         (class General_options): Add option -z combreloc.
8523         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8524         get_address.
8525         (Output_reloc::sort_before) [SHT_REL]: New function.
8526         (Output_reloc::sort_before) [SHT_RELA]: New function.
8527         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8528         Sort_relocs_comparison.
8529         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8530         parameter.  Change all callers.
8531         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8532         sort_relocs parameter.  Change all callers.
8533         * output.cc (Output_reloc::get_address): New function, broken out
8534         of write_rel.
8535         (Output_reloc::write_rel): Call it.
8536         (Output_reloc::compare): New function.
8537         (Output_data_reloc_base::do_write): Optionally sort relocs.
8539         * configure.ac: If targ_extra_obj is set, link it in.
8540         * configure.tgt: Initialize all variables.
8541         (x86_64*): Set targ_extra_obj and targ_extra_size.
8542         * configure: Rebuild.
8544         * object.cc (Sized_relobj::include_section_group): Adjust section
8545         indexes read from group data.  Build vector to pass to
8546         layout_group.
8547         * layout.cc (Layout::layout_group): Add flags and shndxes
8548         parameters.  Remove contents parameter.  Change caller.  Update
8549         explicit instantiations.
8550         * layout.h (class Layout): Update layout_group declaration.
8551         * output.cc (Output_data_group::Output_data_group): Add flags and
8552         input_shndxes parameters.  Remove contents parameter.  Change
8553         caller.
8554         (Output_data_group::do_write): Change input_sections_ to
8555         input_shndxes_.
8556         * output.h (class Output_data_group): Update constructor
8557         declaration.  Rename input_sections_ to input_shndxes_.
8558         * testsuite/many_sections_test.cc: Add template.
8560 2008-04-30  Cary Coutant  <ccoutant@google.com>
8562         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8564         * layout.cc (Layout::include_section): Refactored check for debug
8565         info section.
8566         (Layout::add_comdat): Add new parameters.  Change type
8567         of signature parameter.  Add object and shndx to signatures table.
8568         (Layout::find_kept_object): New function.
8569         * layout.h: Include <cstring>.
8570         (Layout::is_debug_info_section): New function.
8571         (Layout::add_comdat): Add new parameters.
8572         (Layout::find_kept_object): New function.
8573         (Layout::Kept_section): New struct.
8574         (Layout::Signatures): Change type of map range.
8575         * object.cc (Relobj::output_section_address): New function.
8576         (Sized_relobj::include_section_group): Add new parameters.  Change
8577         calls to Layout::add_comdat.  Change to build table of kept comdat
8578         groups and table mapping discarded sections to kept sections.
8579         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8580         (Sized_relobj::do_layout): Change calls to include_section_group and
8581         include_linkonce_section.
8582         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8583         value to zero when section is discarded.
8584         (Sized_relobj::map_to_kept_section): New function.
8585         * object.h (Relobj::output_section_address): New function.
8586         (Relobj::Comdat_group): New type.
8587         (Relobj::find_comdat_group): New function.
8588         (Relobj::Comdat_group_table): New type.
8589         (Relobj::Kept_comdat_section): New type.
8590         (Relobj::Kept_comdat_section_table): New type.
8591         (Relobj::add_comdat_group): New function.
8592         (Relobj::set_kept_comdat_section): New function.
8593         (Relobj::get_kept_comdat_section): New function.
8594         (Relobj::comdat_groups_): New field.
8595         (Relobj::kept_comdat_sections_): New field.
8596         (Symbol_value::input_value): Update comment.
8597         (Sized_relobj::map_to_kept_section) New function.
8598         (Sized_relobj::include_linkonce_section): Add new parameter.
8599         * target-reloc.h (Comdat_behavior): New type.
8600         (get_comdat_behavior): New function.
8601         (relocate_section): Add code to map a discarded section to the
8602         corresponding kept section when applying a relocation.
8604 2008-04-30  Craig Silverstein  <csilvers@google.com>
8606         * dwarf_reader.cc (next_generation_count): New static var.
8607         (Addr2line_cache_entry): New struct.
8608         (addr2line_cache): New static var.
8609         (Dwarf_line_info::one_addr2line): Added caching.
8610         (Dwarf_line_info::clear_addr2line_cache): New function.
8611         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8612         cache-size parameter.
8613         (Dwarf_line_info::one_addr2line_cache): New function.
8614         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8615         new cache-size argument to one_addr2line(), and clear cache.
8617 2008-04-28  Cary Coutant  <ccoutant@google.com>
8619         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8620         R_386_PC8 relocations.
8622 2008-04-23  Ian Lance Taylor  <iant@google.com>
8624         * object.cc (Sized_relobj::include_section_group): Check for
8625         invalid section group.
8627         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8628         header size.
8630         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8631         than read for file header.
8632         * archive.cc (Archive::include_member): Likewise.
8634 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8636         * aclocal.m4: Regenerate.
8637         * configure: Regenerate.
8639 2008-04-19  Ian Lance Taylor  <iant@google.com>
8641         * version.cc (version_string): Bump to 1.6.
8643         * testsuite/Makefile.am (many_sections_r_test): New target.
8644         (many_sections_r_test_SOURCES): Remove.
8645         (many_sections_r_test_DEPENDENCIES): Remove.
8646         (many_sections_r_test_LDFLAGS): Remove.
8647         (many_sections_r_test_LDADD): Remove.
8649         * object.cc (Sized_relobj::do_add_symbols): Always pass
8650         local_symbol_count_ to add_from_relobj.
8652         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8653         every thousand variables.
8654         * testsuite/Makefile.in: Rebuild.
8656         * object.cc (Xindex::initialize_symtab_xindex): New function.
8657         (Xindex::read_symtab_xindex): New function.
8658         (Xindex::sym_xindex_to_shndx): New function.
8659         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8660         available.
8661         (Sized_relobj::do_initialize_xindex): New function.
8662         (Sized_relobj::do_read_symbols): Adjust section links.
8663         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8664         parameter.  Change all callers.
8665         (Sized_relobj::include_section_group): Adjust section links and
8666         symbol section indexes.
8667         (Sized_relobj::do_layout): Adjust section links.
8668         (Sized_relobj::do_count_local_symbols): Adjust section links and
8669         symbol section indexes.
8670         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8671         ordinary and special symbols.
8672         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8673         dynsym_xindex parameters.  Change all callers.  Adjust section
8674         links.  Use SHN_XINDEX when needed.
8675         (Sized_relobj::get_symbol_location_info): Adjust section links.
8676         Don't get fooled by special symbols.
8677         * object.h (class Xindex): Define.
8678         (class Object): Add xindex_ parameter.  Declare virtual functoin
8679         do_initialize_xindex.
8680         (Object::adjust_sym_shndx): New function.
8681         (Object::set_xindex): New protected function.
8682         (class Symbol_value): Add is_ordinary_shndx_ field.
8683         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8684         (Symbol_value::value): Assert ordinary section.
8685         (Symbol_value::initialize_input_to_output_map): Likewise.
8686         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8687         Change all callers.
8688         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8689         all callers.
8690         (class Sized_relobj): Update declarations.
8691         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8692         parameter.  Change all callers.
8693         (Sized_relobj::adjust_shndx): New function.
8694         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8695         field.
8696         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8697         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8698         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8699         (Sized_dynobj::read_dynsym_section): Adjust section links.
8700         (Sized_dynobj::read_dynamic): Likewise.
8701         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8702         section links.
8703         (Sized_dynobj::do_initialize_xindex): New function.
8704         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8705         do_initialize_xindex.
8706         (Sized_dynobj::adjust_shndx): New function.
8707         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8708         dynsym_xindex_ fields.
8709         (Layout::finalize): Add a call to set_section_indexes before
8710         creating the symtab sections.
8711         (Layout::set_section_indexes): Don't do anything if the section
8712         already has a section index.
8713         (Layout::create_symtab_sections): Add shnum parameter.  Change
8714         caller.  Create .symtab_shndx section if needed.
8715         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8716         caller.
8717         (Layout::allocated_output_section_count): New function.
8718         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8719         needed.
8720         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8721         fields.  Update declarations.
8722         (Layout::symtab_xindex): New function.
8723         (Layout::dynsym_xindex): New function.
8724         (class Write_symbols_task): Add layout_ field.
8725         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8726         Change caller.
8727         * output.cc (Output_section_headers::Output_section_headers): Add
8728         shstrtab_section parameter.  Change all callers.
8729         (Output_section_headers::do_sized_write): Store overflow values
8730         for section count and section string table section index in
8731         section header zero.
8732         (Output_file_header::do_sized_write): Check for overflow of
8733         section count and section string table section index.
8734         (Output_symtab_xindex::do_write): New function.
8735         (Output_symtab_xindex::endian_do_write): New function.
8736         * output.h (class Output_section_headers): Add shstrtab_section_.
8737         Update declarations.
8738         (class Output_symtab_xindex): Define.
8739         (Output_section::has_out_shndx): New function.
8740         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8741         field.
8742         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8743         Change all callers.
8744         (Sized_symbol::init): Likewise.
8745         (Symbol::output_section): Check for ordinary symbol.
8746         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8747         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8748         callers.
8749         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8750         Change all callers.  Simplify handling of symbols from sections
8751         not included in the link.
8752         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8753         distinction.
8754         (Weak_alias_sorter::operator()): Assert that symbols are
8755         ordinary.
8756         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8757         distinction.
8758         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8759         parameters.  Change all callers.
8760         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8761         symbol distinction.  Use SHN_XINDEX when needed.
8762         (Symbol_table::write_section_symbol): Add symtab_xindex
8763         parameter.  Change all callers.
8764         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8765         SHN_XINDEX when needed.
8766         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8767         declarations.
8768         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8769         (Symbol::is_defined): Check is_ordinary.
8770         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8771         (Symbol::is_absolute, Symbol::is_common): Likewise.
8772         (class Sized_symbol): Update declarations.
8773         (class Symbol_table): Update declarations.
8774         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8775         parameters.  Change all callers.
8776         (Sized_symbol::override): Likewise.
8777         (Symbol_table::override): Likewise.
8778         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8779         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8780         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8781         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8782         to be in an ordinary section.
8783         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8784         object and is_ordinary parameters.  Change all callers.
8785         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8786         Change all callers.  Don't add undefined or non-ordinary symbols
8787         to reloc_map_.
8788         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8789         Change all callers.
8790         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8791         declarations.
8792         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8793         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8794         (Sized_relobj::relocate_sections): Likewise.
8795         * target-reloc.h (scan_relocs): Adjust section symbol index.
8796         (scan_relocatable_relocs): Likewise.
8797         * i386.cc (Scan::local): Check for ordinary symbols.
8798         * sparc.cc (Scan::local): Likewise.
8799         * x86_64.cc (Scan::local): Likewise.
8800         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8801         to symbol_section_and_value.
8802         * testsuite/many_sections_test.cc: New file.
8803         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8804         (check_PROGRAMS): Add many_sections_test.
8805         (many_sections_test_SOURCES): Define.
8806         (many_sections_test_DEPENDENCIES): Define.
8807         (many_sections_test_LDFLAGS): Define.
8808         (BUILT_SOURCES): Add many_sections_define.h.
8809         (many_sections_define.h): New target.
8810         (BUILT_SOURCES): Add many_sections_check.h.
8811         (many_sections_check.h): New target.
8812         (check_PROGRAMS): Add many_sections_r_test.
8813         (many_sections_r_test_SOURCES): Define.
8814         (many_sections_r_test_DEPENDENCIES): Define.
8815         (many_sections_r_test_LDFLAGS): Define.
8816         (many_sections_r_test_LDADD): Define.
8817         (many_sections_r_test.o): New target.
8818         * testsuite/Makefile.in: Rebuild.
8820 2008-04-17  Cary Coutant  <ccoutant@google.com>
8822         * errors.cc (Errors::info): New function.
8823         (gold_info): New function.
8824         * errors.h (Errors::info): New function.
8825         * gold.h (gold_info): New function.
8826         * object.cc (Input_objects::add_object): Print trace output.
8827         * options.cc (options::parse_set): New function.
8828         (General_options::parse_wrap): Deleted.
8829         (General_options::General_options): Deleted initializer.
8830         * options.h (options::String_set): New typedef.
8831         (options::parse_set): New function.
8832         (DEFINE_set): New macro.
8833         (General_options::wrap): Changed to use DEFINE_set. Changed
8834         callers of any_wrap_symbols and is_wrap_symbol.
8835         (General_options::trace, General_options::trace_symbol):
8836         New options.
8837         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8838         (General_options::wrap_symbols_): Deleted.
8839         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8841 2008-04-17  David S. Miller  <davem@davemloft.net>
8843         * options.cc (General_options::parse_V): New function.
8844         * options.h: Add entries for -V and -Qy.
8846 2008-04-17  Ian Lance Taylor  <iant@google.com>
8848         * common.cc (Symbol_table::allocate_commons): Remove options
8849         parameter.  Change caller.
8850         (Symbol_table::do_allocate_commons): Remove options parameter.
8851         Change caller.  Just call do_allocate_commons_list twice.
8852         (Symbol_table::do_allocate_commons_list): New function, broken out
8853         of do_allocate_commons.
8854         * common.h (class Allocate_commons_task): Remove options_ field.
8855         Update constructor.
8856         * symtab.cc (Symbol_table::Symbol_table): Initialize
8857         tls_commons_.
8858         (Symbol_table::add_from_object): Put TLS common symbols on
8859         tls_commons_ list.
8860         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8861         which are IN_OUTPUT_DATA.
8862         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8863         allocate_commons and do_allocate_commons declarations.  Declare
8864         do_allocate_commons_list.
8865         * gold.cc (queue_middle_tasks): Update creation of
8866         Allocate_commons_task to not pass options.
8867         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8868         (TLS_TEST_C_FLAGS): New variable.
8869         (tls_test_c_pic.o): New target.
8870         (tls_test_shared.so): Link in tls_test_c_pic.o.
8871         (tls_test_c_pic_ie.o): New target.
8872         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8873         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8874         (tls_test_c.o): New target.
8875         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8876         (tls_pic_test_LDADD): Likewise.
8877         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8878         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8879         (tls_test_c_gnu2.o): New target.
8880         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8881         tls_test_c_gnu2.o.
8882         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8883         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8884         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8885         * testsuite/tls_test.cc: Include "config.h".
8886         (t_last): Call t11_last.
8887         * testsuite/tls_test.h (t11, t11_last): Declare.
8888         * testsuite/tls_test_c.c: New file.
8889         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8890         * configure.ac: Check for OpenMP support.
8891         * configure, config.in, Makefile.in: Rebuild.
8892         * testsuite/Makefile.in: Rebuild.
8894 2008-04-16  Cary Coutant  <ccoutant@google.com>
8896         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8897         (Target_i386::tls_base_symbol_defined_): New field.
8898         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8899         (Target_i386::Scan::global): Likewise.
8900         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8901         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8902         (Target_x86_64::tls_base_symbol_defined_): New field.
8903         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8904         (Target_x86_64::Scan::global): Likewise.
8906 2008-04-16  Cary Coutant  <ccoutant@google.com>
8908         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8909         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8910         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8911         building shared libraries.
8912         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8913         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8914         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8915         * testsuite/Makefile.in: Rebuild.
8916         * testsuite/weak_undef.h: New file.
8917         * testsuite/weak_undef_file1.cc: Add extra test cases.
8918         * testsuite/weak_undef_file2.cc: Likewise.
8919         * testsuite/weak_undef_test.cc: Likewise.
8921 2008-04-16  David S. Miller  <davem@davemloft.net>
8923         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8924         Add issued_non_pic_error_ field.  Declare check_non_pic.
8925         (Target_sparc::Scan::check_non_pic): New function.
8926         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8927         (Target_sparc::Scan::global): Likewise.
8929         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8930         * configure: Rebuild.
8932         * options.h (DEFINE_enable): New macro.
8933         (new_dtags): New enable option.
8934         (initfirst, interpose, loadfltr, nodefaultlib,
8935         nodelete, nodlopen, nodump): New -z options.
8936         * layout.cc (Layout:finish_dynamic_section): If new
8937         dtags enabled, emit DT_RUNPATH.  Also, emit a
8938         DT_FLAGS_1 containing any specified -z flags.
8940 2008-04-16  Ian Lance Taylor  <iant@google.com>
8942         * copy-relocs.cc: New file.
8943         * copy-relocs.h: New file.
8944         * reloc.cc: Remove Copy_relocs code.
8945         * reloc.h: Likewise.
8946         * reloc-types.h (struct Reloc_types) [both versions]: Add
8947         get_reloc_addend_noerror.
8948         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8949         variants of add_global which take an addend which must be zero.
8950         * i386.cc: Include "copy-relocs.h".
8951         (class Target_i386): Change type of copy_relocs_ to variable,
8952         update initializer.
8953         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8954         Change all callers.
8955         (Target_i386::do_finalize_sections): Change handling of
8956         copy_relocs_.
8957         * sparc.cc: Include "copy-relocs.h".
8958         (class Target_sparc): Change type of copy_relocs_ to variable,
8959         update initializer.
8960         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8961         Change all callers.
8962         (Target_sparc::do_finalize_sections): Change handling of
8963         copy_relocs_.
8964         * x86_64.cc: Include "copy-relocs.h".
8965         (class Target_x86_64): Change type of copy_relocs_ to variable,
8966         update initializer.
8967         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8968         class.  Change all callers.
8969         (Target_x86_64::do_finalize_sections): Change handling of
8970         copy_relocs_.
8971         * Makefile.am (CCFILES): Add copy-relocs.cc.
8972         (HFILES): Add copy-relocs.h.
8974         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8976         * testsuite/script_test_4.sh: Permit leading zeroes.
8978 2008-04-15  Ian Lance Taylor  <iant@google.com>
8980         * script-sections.cc (Script_sections::create_segments): Use
8981         header_size_adjustment even when there is enough room for the
8982         headers.
8983         * testsuite/script_test_4.sh: New file.
8984         * testsuite/script_test_4.t: New file.
8985         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8986         (check_DATA): Add script_test_4.stdout.
8987         (MOSTLYCLEANFILES): Likewise.
8988         (script_test_4): New target.
8989         (script_test_4.stdout): New target.
8990         * testsuite/Makefile.in: Rebuild.
8992         * sparc.cc: Add definitions for Output_data_plt_sparc class
8993         constants.
8995 2008-04-14  David S. Miller  <davem@davemloft.net>
8997         * sparc.cc: New file.
8998         * Makefile.am (TARGETSOURCES): Add sparc.cc
8999         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9000         * configure.tgt: Document targ_extra_size and
9001         targ_extra_big_endian.  Add entries for sparc-* and
9002         sparc64-*.
9003         * configure.ac: Handle targ_extra_size and
9004         targ_extra_big_endian.
9005         * Makefile.in: Rebuild.
9006         * configure: Likewise.
9007         * po/POTFILES.in: Likewise.
9008         * po/gold.pot: Likewise.
9010 2008-04-14  Ian Lance Taylor  <iant@google.com>
9012         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9013         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9014         in the name/type/flags to section mapping.  Don't call
9015         allocate_output_section.
9016         (Layout::choose_output_section): Change parameter from adjust_name
9017         to is_input_section.  Don't permit input sections after sections
9018         are attached to segments.  Don't call allocate_output_section.
9019         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9020         not write_enable_output_section.
9021         (Layout::make_output_section): Don't push to
9022         unattached_section_list_ nor call attach_to_segment.  Call
9023         attach_section_to_segment if sections are attached.
9024         (Layout::attach_sections_to_segments): New function.
9025         (Layout::attach_section_to_segment): New function.
9026         (Layout::attach_allocated_section_to_segment): Rename from
9027         attach_to_segment.  Remove flags parameter.
9028         (Layout::allocate_output_section): Remove function.
9029         (Layout::write_enable_output_section): Remove function.
9030         * layout.h (class Layout): Update for above changes.  Add new
9031         field sections_are_attached_.
9032         * output.h (Output_section::update_flags_for_input_section): New
9033         function.
9034         * output.cc (Output_section::add_input_section): Call
9035         update_flags_for_input_section.
9036         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9038 2008-04-11  Cary Coutant  <ccoutant@google.com>
9040         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9041         thought unnecessary.
9042         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9044 2008-04-11  Ian Lance Taylor  <iant@google.com>
9046         * output.h (class Output_section_data): Remove inline definition
9047         of set_addralign.
9048         * output.cc (Output_section_data::set_addralign): New function.
9050 2008-04-11  Cary Coutant  <ccoutant@google.com>
9052         Add support for TLS descriptors for i386 and x86_64.
9053         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9054         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9055         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9056         GOT_TYPE_TLS_DESC.
9057         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9058         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9059         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9060         relocations.
9061         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9062         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9063         Fix problem with initial-exec relocations.
9064         (Target_i386::Relocate::relocate_tls): Likewise.
9065         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9066         relaxation.
9067         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9068         support for section-plus-offset dynamic table entries.
9069         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9070         (Output_data_dynamic::Dynamic_entry): Add support for
9071         section-plus-offset dynamic table entries.
9072         (Output_data_dynamic::Classification): Likewise.
9073         (Output_data_dynamic::classification_): Renamed offset_.
9074         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9075         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9076         (Target_x86_64::make_plt_section): New function.
9077         (Target_x86_64::reserve_tlsdesc_entries): New function.
9078         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9079         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9080         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9081         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9082         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9083         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9084         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9085         add extra PLT entry for TLS descriptors.
9086         (Output_data_plt_x86_64::got_): New field.
9087         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9088         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9089         fields.
9090         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9091         descriptors.
9092         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9093         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9094         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9095         R_386_TLS_DESC_CALL relocations.
9096         (Target_x86_64::Scan::global): Likewise.
9097         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9098         for TLS descriptors.
9099         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9100         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9101         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9102         GD-to-IE relaxation.
9103         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9104         and TLS_DESCRIPTORS.
9105         * Makefile.in: Rebuild.
9106         * configure: Rebuild.
9107         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9108         (tls_test_shared2.so): New target.
9109         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9110         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9111         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9112         (tls_shared_gd_to_ie_test_LDADD): New variable.
9113         (tls_shared_gnu2_gd_to_ie_test): New target.
9114         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9115         New targets.
9116         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9117         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9118         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9119         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9120         (tls_shared_gnu2_test): New target.
9121         (tls_test_gnu2_shared.so): New target.
9122         (tls_shared_gnu2_test_SOURCES): New variable.
9123         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9124         (tls_shared_gnu2_test_LDFLAGS): New variable.
9125         (tls_shared_gnu2_test_LDADD): New variable.
9126         * testsuite/Makefile.in: Rebuild.
9127         * testsuite/Makefile.
9129 2008-04-11  Ian Lance Taylor  <iant@google.com>
9131         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9132         justsyms.t.
9133         * testsuite/Makefile.in: Rebuild.
9135         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9136         long.
9137         * testsuite/script_test_2.cc (main): Adjust test.
9139 2008-04-11  David S. Miller  <davem@davemloft.net>
9140             Ian Lance Taylor  <iant@google.com>
9142         * options.h (General_options): Add entries for '-Y' and
9143         '-relax'.
9144         * options.cc (General_options:finalize): If -Y was used, add those
9145         entries to the library path instead of the default "/lib" and
9146         "/usr/lib".
9148 2008-04-11  David S. Miller  <davem@davemloft.net>
9150         * testsuite/justsyms.t: Start at 0x100.
9151         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9152         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9153         long.
9154         * testsuite/script_test_2.cc: Adjust string and section length
9155         checks.
9157 2008-04-09  Ian Lance Taylor  <iant@google.com>
9159         PR gold/5996
9160         * script-sections.cc (Sections_element::allocate_to_segment): Add
9161         orphan parameter.
9162         (Output_section_definition::allocate_to_segment): Likewise.
9163         (Orphan_output_section::allocate_to_segment): Likewise.
9164         (Script_sections::attach_sections_using_phdrs_clause): Don't
9165         propagate non-PT_LOAD segments to orphan sections.
9166         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9167         readelf rather than objdump.
9168         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9169         .interp section and PT_INTERP segment are the same size.
9170         * testsuite/Makefile.in: Rebuild.
9172         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9173         aliases for symbols defined in the same object.
9174         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9175         (weak_alias_test_SOURCES): New variable.
9176         (weak_alias_test_DEPENDENCIES): New variable.
9177         (weak_alias_test_LDFLAGS): New variable.
9178         (weak_alias_test_LDADD): New variable.
9179         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9180         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9181         (weak_alias_test_3.o): New target.
9182         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9183         * testsuite/weak_alias_test_main.cc: New file.
9184         * testsuite/weak_alias_test_1.cc: New file.
9185         * testsuite/weak_alias_test_2.cc: New file.
9186         * testsuite/weak_alias_test_3.cc: New file.
9188 2008-04-08  Ian Lance Taylor  <iant@google.com>
9190         * options.h (class General_options): Add --noinhibit-exec option.
9191         * main.cc (main): Check --noinhibit-exec.
9193         * options.h (class General_options): Define --wrap as a special
9194         option.  Add wrap_symbols_ field.
9195         (General_options::any_wrap_symbols): New function.
9196         (General_options::is_wrap_symbol): New function.
9197         * options.cc (General_options::parse_wrap): New function.
9198         (General_options::General_options): Initialize wrap_symbols_.
9199         * symtab.cc (Symbol_table::wrap_symbol): New function.
9200         (Symbol_table::add_from_object): Handle --wrap.
9201         * symtab.h (class Symbol_table): Declare wrap_symbol.
9202         * target.h (Target::wrap_char): New function.
9203         (Target::Target_info): Add wrap_char field.
9204         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9205         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9206         * testsuite/testfile.cc (Target_test::test_target_info):
9207         Likewise.
9209         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9210         there is one.
9212         * layout.h (class Layout): Add added_eh_frame_data_ field.
9213         * layout.cc (Layout::Layout): Initialize new field.
9214         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9215         output section until we find a section we merged successfully.
9216         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9217         that the size be non-zero.
9219         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9220         qualifier.
9222 2008-04-08  Craig Silverstein  <csilvers@google.com>
9224         * configure.ac: Export new conditional variable HAVE_ZLIB.
9225         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9226         on HAVE_ZLIB.
9227         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9228         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9230 2008-04-07  Ian Lance Taylor  <iant@google.com>
9232         * version.cc (version_string): Set to "1.5".
9234         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9235         Add issued_non_pic_error_ field.  Declare check_non_pic.
9236         (Target_x86_64::Scan::check_non_pic): New function.
9237         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9238         (Target_x86_64::Scan::global): Likewise.
9240         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9241         addend parameter.  Change caller.  Handle merge sections.
9242         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9243         Address to Addend.  Don't add in the result of
9244         local_section_offset, pass down the addend and use the returned
9245         value.
9246         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9247         Update declarations of local_section_offset and symbol_value.
9248         * testsuite/two_file_test_1.cc (t18): New function.
9249         * testsuite/two_file_test_2.cc (f18): New function.
9250         * testsuite/two_file_test_main.cc (main): Call t18.
9251         * testsuite/two_file_test.h (t18, f18): Declare.
9253         * configure.ac: Don't test for objdump, c++filt, or readelf.
9254         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9255         conditionals.
9256         (TEST_READELF): New variable.
9257         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9258         (check_PROGRAMS): Add two_file_strip_test.
9259         (two_file_strip_test): New target.
9260         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9261         (two_file_same_shared_strip_test_SOURCES): New variable.
9262         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9263         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9264         (two_file_same_shared_strip_test_LDADD): New variable.
9265         (two_file_shared_strip.so): New target.
9266         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9267         (ver_test_5.syms, ver_test_7.syms): Likewise.
9268         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9269         (strip_test_3.stdout): Use TEST_OBJDUMP.
9270         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9272 2008-04-04  Cary Coutant  <ccoutant@google.com>
9274         * symtab.h (Symbol::is_weak_undefined): New function.
9275         (Symbol::is_strong_undefined): New function.
9276         (Symbol::is_absolute): New function.
9277         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9278         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9279         absolute symbols.
9280         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9281         (weak_undef_test): New target.
9282         * testsuite/Makefile.in: Rebuild.
9283         * testsuite/weak_undef_file1.cc: New file.
9284         * testsuite/weak_undef_file2.cc: New file.
9285         * testsuite/weak_undef_test.cc: New file.
9287 2008-04-03  Craig Silverstein  <csilvers@google.com>
9289         * compressed_output.h (class Output_compressed_section): Use
9290         unsigned buffer.
9291         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9292         add zlib header.
9293         (zlib_compressed_suffix): Removed.
9294         (Output_compressed_section::set_final_data_size): Use unsigned
9295         buffers.
9296         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9297         Fix linker invocation.
9298         (flagstest_o_specialfile_and_compress_debug_sections):
9299         Likewise.
9300         * testsuite/Makefile.in: Regenerated.
9302 2008-04-02  David S. Miller  <davem@davemloft.net>
9304         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9305         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9307 2008-04-02  Craig Silverstein  <csilvers@google.com>
9309         * TODO: New file.
9311 2008-04-02  Ian Lance Taylor  <iant@google.com>
9313         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9314         parameters.  Update for new key type to views_.  Change all
9315         callers.
9316         (File_read::read): Adjust for byteshift in returned view.
9317         (File_read::add_view): New function, broken out of
9318         find_and_make_view.
9319         (File_read::make_view): New function, broken out of
9320         find_and_make_view.
9321         (File_read::find_or_make_view): Add offset and aligned
9322         parameters.  Rewrite accordingly.  Change all callers.
9323         (File_read::get_view): Add offset and aligned parameters.  Adjust
9324         for byteshift in return value.
9325         (File_read::get_lasting_view): Likewise.
9326         * fileread.h (class File_read): Update declarations.
9327         (class File_read::View): Add byteshift_ field.  Add byteshift to
9328         constructor.  Add byteshift method.
9329         * archive.h (Archive::clear_uncached_views): New function.
9330         (Archive::get_view): Add aligned parameter.  Change all callers.
9331         * object.h (Object::get_view): Add aligned parameter.  Change all
9332         callers.
9333         (Object::get_lasting_view): Likewise.
9335         * fileread.cc (File_read::release): Don't call clear_views if
9336         there are multiple objects.
9337         * fileread.h (File_read::clear_uncached_views): New function.
9338         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9339         on the archive.
9341 2008-03-31  Cary Coutant  <ccoutant@google.com>
9343         Add thin archive support.
9344         * archive.cc (Archive::armagt): New const.
9345         (Archive::setup): Remove task parameter and calls to unlock.
9346         (Archive::unlock_nested_archives): New function.
9347         (Archive::read_header): Add nested_off parameter. Change
9348         all callers.
9349         (Archive::interpret_header): Likewise.
9350         (Archive::include_all_members): Change to handle thin
9351         archives.
9352         (Archive::include_member): Likewise.
9353         * archive.h (Archive::Archive): Add new parameters and
9354         initializers.
9355         (Archive::armagt): New const.
9356         (Archive::setup): Remove task parameter.
9357         (Archive::unlock_nested_archives): New function.
9358         (Archive::read_header): Add nested_off parameter.
9359         (Archive::interpret_header): Likewise.
9360         (Archive::Nested_archive_table): New typedef.
9361         (Archive::is_thin_archive_): New field.
9362         (Archive::nested_archives_): New field.
9363         (Archive::options_): New field.
9364         (Archive::dirpath_): New field.
9365         (Archive::task_): New field.
9366         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9367         for thin archives.  Pass additional parameters to
9368         Archive::Archive.  Unlock the archive file after calling
9369         Archive::setup.
9371 2008-03-29  Ian Lance Taylor  <iant@google.com>
9373         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9374         version symbol to be local.
9375         * testsuite/ver_test_4.sh: New file.
9376         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9377         (check_DATA): Add ver_test_4.syms.
9378         (ver_test_4.syms): New target.
9379         * testsuite/Makefile.in: Rebuild.
9381         * output.cc
9382         (Output_section::Input_section_sort_entry::has_priority): New
9383         function.
9384         (Output_section::Input_section_sort_entry::match_file_name): New
9385         function.
9386         (Output_section::Input_section_sort_entry::match_section_name):
9387         Remove.
9388         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9389         Remove.
9390         (Output_section::Input_section_sort_entry::match_section_file):
9391         Remove.
9392         (Output_section::Input_section_sort_compare::operator()): Rewrite
9393         using new Input_section_sort_entry functions.  Sort crtbegin and
9394         crtend first.  Sort sections with no priority before sections with
9395         a priority.
9396         * testsuite/initpri1.c (d3): Check j != 4.
9397         (cd5): New constructor/destructor function.
9398         (main): Check j != 2.
9400         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9401         new symbol when resolving, don't call set_is_default.
9402         * testsuite/ver_test_7.cc: New file.
9403         * testsuite/ver_test_7.sh: New file.
9404         * testsuite/Makefile.am (ver_test_7.so): New target.
9405         (ver_test_7.o): New target.
9406         (check_SCRIPTS): Add ver_test_7.sh.
9407         (check_DATA): Add ver_test_7.syms.
9408         (ver_test_7.syms): New target.
9410 2008-03-28  Ian Lance Taylor  <iant@google.com>
9412         * layout.cc (Layout::layout): If we see an input section with a
9413         name that needs sorting, set the must_sort flag for the output
9414         section.
9415         (Layout::make_output_section): If the name of the output section
9416         indicates that it might require sorting, set the may_sort flag.
9417         * output.h (Output_section::may_sort_attached_input_sections): New
9418         function.
9419         (Output_section::set_may_sort_attached_input_sections): New
9420         function.
9421         (Output_section::must_sort_attached_input_sections): New
9422         function.
9423         (Output_section::set_must_sort_attached_input_sections): New
9424         function.
9425         (class Output_section): Declare Input_section_sort_entry.  Define
9426         Input_section_sort_compare.  Declare
9427         sort_attached_input_sections.  Add new fields:
9428         may_sort_attached_input_sections_,
9429         must_sort_attached_input_sections_,
9430         attached_input_sections_are_sorted_.
9431         * output.cc (Output_section::Output_section): Initialize new
9432         fields.
9433         (Output_section::add_input_section): Add an entry to
9434         input_sections_ if may_sort or must_sort are true.
9435         (Output_section::set_final_data_size): Call
9436         sort_attached_input_sections if necessary.
9437         (Output_section::Input_section_sort_entry): Define new class.
9438         (Output_section::Input_section_sort_compare::operator()): New
9439         function.
9440         (Output_section::sort_attached_input_sections): New function.
9441         * configure.ac: Check whether the compiler supports constructor
9442         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9443         * testsuite/initpri1.c: New file.
9444         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9445         CONSTRUCTOR_PRIORITY.
9446         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9447         (initpri1_LDFLAGS): New variable.
9448         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9450 2008-03-27  Ian Lance Taylor  <iant@google.com>
9452         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9453         * testsuite/common_test_1.c: New file.
9454         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9455         (common_test_1_SOURCES): New variable.
9456         (common_test_1_DEPENDENCIES): New variable.
9457         (common_test_1_LDFLAGS): New variable.
9459         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9460         and commons_ correctly when NAME/VERSION does not override
9461         NAME/NULL.
9462         * testsuite/ver_test_6.c: New file.
9463         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9464         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9465         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9467 2008-03-26  Ian Lance Taylor  <iant@google.com>
9469         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9470         of an undefined symbol from a version script.
9471         * testsuite/Makefile.am (ver_test_5.so): New target.
9472         (ver_test_5.o): New target.
9473         (check_SCRIPTS): Add ver_test_5.sh.
9474         (check_DATA): Add ver_test_5.syms.
9475         (ver_test_5.syms): New target.
9476         * testsuite/ver_test_5.cc: New file.
9477         * testsuite/ver_test_5.script: New file.
9478         * testsuite/ver_test_5.sh: New file.
9479         * Makefile.in, testsuite/Makefile.in: Rebuild.
9481         PR gold/5986
9482         Fix problems building gold with gcc 4.3.0.
9483         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9484         (gold_error_at_location, gold_warning_at_location): Use it.
9485         * configure.ac: Check whether we can compile and use a template
9486         function with a printf attribute.
9487         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9488         when jumping over bytes.
9489         * object.cc: Instantiate Object::read_section_data.
9490         * debug.h: Include <cstring>
9491         * dwarf_reader.cc: Include <algorithm>
9492         * main.cc: Include <cstring>.
9493         * options.cc: Include <cstring>.
9494         * output.cc: Include <cstring>.
9495         * script.cc: Include <cstring>.
9496         * script.h: Include <string>.
9497         * symtab.cc: Include <cstring> and <algorithm>.
9498         * target-select.cc: Include <cstring>.
9499         * version.cc: Include <string>.
9500         * testsuite/testmain.cc: Include <cstdlib>.
9501         * configure, config.in: Rebuild.
9503 2008-03-25  Ian Lance Taylor  <iant@google.com>
9505         * options.cc: Include "../bfd/bfdver.h".
9506         (options::help): Print bug reporting address.
9508         * version.cc (print_version): Adjust output for current value of
9509         BFD_VERSION_STRING.
9511         * NEWS: New file.
9513         * options.cc (options::help): Print list of supported targets.
9514         * target-select.h: Include <vector>.
9515         (class Target_selector): Make machine_, size_, and is_big_endian_
9516         fields const.  Add bfd_name_ and instantiated_target_ fields.
9517         (Target_selector::Target_selector): Add bfd_name parameter.
9518         (Target_selector::recognize): Make non-virtual, call
9519         do_recognize.
9520         (Target_selector::recognize_by_name): Make non-virtual, call
9521         do_recognize_by_name.
9522         (Target_selector::supported_names): New function.
9523         (Target_selector::bfd_name): New function.
9524         (Target_selector::do_instantiate_target): New pure virtual
9525         function.
9526         (Target_selector::do_recognize): New virtual function.
9527         (Target_selector::do_recognize_by_name): New virtual function.
9528         (Target_selector::instantiate_target): New private function.
9529         (supported_target_names): Declare.
9530         * target-select.cc (Target_selector::Target_selector): Update for
9531         new parameter and fields.
9532         (select_target_by_name): Check that the name matches before
9533         calling recognize_by_name.
9534         (supported_target_names): New function.
9535         * i386.cc (class Target_selector_i386): Update Target_selector
9536         constructor call.  Remove recognize and recognize_by_name.  Add
9537         do_instantiate_target.
9538         * x86_64.cc (class Target_selector_x86_64): Likewise.
9539         * testsuite/testfile.cc (class Target_selector_test): Update for
9540         changes to Target_selector.
9542         * README: Rewrite, with some notes on unsupported features.
9544 2008-03-24  Cary Coutant  <ccoutant@google.com>
9546         * i386.cc (Target_i386::Got_type): New enum declaration.
9547         (Target_i386::Scan::local): Updated callers of Output_data_got
9548         member functions.
9549         (Target_i386::Scan::global): Likewise.
9550         (Target_i386::Relocate::relocate): Likewise.
9551         (Target_i386::Relocate::relocate_tls): Likewise.
9552         * object.h (Got_offset_list): New class.
9553         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9554         (Sized_relobj::local_got_offset): Likewise.
9555         (Sized_relobj::set_local_got_offset): Likewise.
9556         (Sized_relobj::local_has_tls_got_offset): Removed.
9557         (Sized_relobj::local_tls_got_offset): Removed.
9558         (Sized_relobj::set_local_tls_got_offset): Removed.
9559         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9560         * output.cc (Output_data_got::add_global): Added got_type parameter.
9561         (Output_data_got::add_global_with_rel): Likewise.
9562         (Output_data_got::add_global_with_rela): Likewise.
9563         (Output_data_got::add_global_pair_with_rel): New function.
9564         (Output_data_got::add_global_pair_with_rela): New function.
9565         (Output_data_got::add_local): Added got_type parameter.
9566         (Output_data_got::add_local_with_rel): Likewise.
9567         (Output_data_got::add_local_with_rela): Likewise.
9568         (Output_data_got::add_local_pair_with_rel): New function.
9569         (Output_data_got::add_local_pair_with_rela): New function.
9570         (Output_data_got::add_global_tls): Removed.
9571         (Output_data_got::add_global_tls_with_rel): Removed.
9572         (Output_data_got::add_global_tls_with_rela): Removed.
9573         (Output_data_got::add_local_tls): Removed.
9574         (Output_data_got::add_local_tls_with_rel): Removed.
9575         (Output_data_got::add_local_tls_with_rela): Removed.
9576         * output.h (Output_data_got::add_global): Added got_type parameter.
9577         (Output_data_got::add_global_with_rel): Likewise.
9578         (Output_data_got::add_global_with_rela): Likewise.
9579         (Output_data_got::add_global_pair_with_rel): New function.
9580         (Output_data_got::add_global_pair_with_rela): New function.
9581         (Output_data_got::add_local): Added got_type parameter.
9582         (Output_data_got::add_local_with_rel): Likewise.
9583         (Output_data_got::add_local_with_rela): Likewise.
9584         (Output_data_got::add_local_pair_with_rel): New function.
9585         (Output_data_got::add_local_pair_with_rela): New function.
9586         (Output_data_got::add_global_tls): Removed.
9587         (Output_data_got::add_global_tls_with_rel): Removed.
9588         (Output_data_got::add_global_tls_with_rela): Removed.
9589         (Output_data_got::add_local_tls): Removed.
9590         (Output_data_got::add_local_tls_with_rel): Removed.
9591         (Output_data_got::add_local_tls_with_rela): Removed.
9592         * resolve.cc (Symbol::override_base_with_special): Removed
9593         reference to has_got_offset_ field.
9594         * symtab.cc (Symbol::init_fields): Replaced initialization
9595         of got_offset_ with got_offsets_.  Removed initialization
9596         of has_got_offset_
9597         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9598         (Symbol::got_offset): Likewise.
9599         (Symbol::set_got_offset): Likewise.
9600         (Symbol::has_tls_got_offset): Removed.
9601         (Symbol::tls_got_offset): Removed.
9602         (Symbol::set_tls_got_offset): Removed.
9603         (Symbol::got_offset_): Removed.
9604         (Symbol::tls_mod_got_offset_): Removed.
9605         (Symbol::tls_pair_got_offset_): Removed.
9606         (Symbol::got_offsets_): New field.
9607         (Symbol::has_got_offset): Removed.
9608         (Symbol::has_tls_mod_got_offset): Removed.
9609         (Symbol::has_tls_pair_got_offset): Removed.
9610         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9611         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9612         member functions.
9613         (Target_x86_64::Scan::global): Likewise.
9614         (Target_x86_64::Relocate::relocate): Likewise.
9615         (Target_x86_64::Relocate::relocate_tls): Likewise.
9617 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9619         * yyscript.y: Fix spelling error in comment.
9621 2008-03-24  Ian Lance Taylor  <iant@google.com>
9623         * options.h (class General_options): Define build_id option.
9624         * layout.h (class Layout): Declare write_build_id, create_note,
9625         create_build_id.  Add build_id_note_ member.
9626         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9627         "libiberty.h", "md5.h", "sha1.h".
9628         (Layout::Layout): Initialize eh_frame_data_,
9629         eh_frame_hdr_section_, and build_id_note_.
9630         (Layout::finalize): Call create_build_id.
9631         (Layout::create_note): New function, broken out of
9632         Layout::create_gold_note.
9633         (Layout::create_gold_note): Call create_note.
9634         (Layout::create_build_id): New function.
9635         (Layout::write_build_id): New function.
9636         (Close_task_runner::run): Call write_build_id.
9638         * x86_64.cc: Correct license to GPLv3.
9640 2008-03-23  Ian Lance Taylor  <iant@google.com>
9642         * options.cc: Include "demangle.h".
9643         (parse_optional_string): New function.
9644         (parse_long_option): Handle takes_optional_argument.
9645         (parse_short_option): Update dash_z initializer.  Handle
9646         takes_optional_argument.
9647         (General_options::General_options): Initialize do_demangle_.
9648         (General_options::finalize): Set do_demangle_.  Handle demangling
9649         style.
9650         * options.h (parse_optional_string): Declare.
9651         (struct One_option): Add optional_arg field.  Update constructor.
9652         Update call constructor calls.  Add takes_optional_argument
9653         function.
9654         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9655         (DEFINE_optional_string): Define.
9656         (General_options::demangle): Change from DEFINE_bool to
9657         DEFINE_optional_string.
9658         (General_options::no_demangle): New function.
9659         (General_options::do_demangle): New function.
9660         (General_options::set_do_demangle): New function.
9661         (General_options::execstack_status_): Move definition to end of
9662         class definition.
9663         (General_options::static_): Likewise.
9664         (General_options::do_demangle_): New field.
9665         * object.cc (big_endian>::get_symbol_location_info): Call
9666         Options::do_demangle, not Options::demangle.
9667         * symtab.cc (demangle): Likewise.
9669 2008-03-22  Ian Lance Taylor  <iant@google.com>
9671         * gold.h: Include <cstddef> and <sys/types.h>
9672         * options.h: Include <cstring>.
9674 2008-03-21  Ian Lance Taylor  <iant@google.com>
9676         * Added source code to GNU binutils.